diff options
Diffstat (limited to 'packages/linux/ixp4xx-kernel/2.6.16/patch-2.6.16-rc4-ide1')
| -rw-r--r-- | packages/linux/ixp4xx-kernel/2.6.16/patch-2.6.16-rc4-ide1 | 18260 |
1 files changed, 18260 insertions, 0 deletions
diff --git a/packages/linux/ixp4xx-kernel/2.6.16/patch-2.6.16-rc4-ide1 b/packages/linux/ixp4xx-kernel/2.6.16/patch-2.6.16-rc4-ide1 new file mode 100644 index 0000000000..7e2561c0f9 --- /dev/null +++ b/packages/linux/ixp4xx-kernel/2.6.16/patch-2.6.16-rc4-ide1 @@ -0,0 +1,18260 @@ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/arch/i386/pci/fixup.c linux-2.6.16-rc4/arch/i386/pci/fixup.c +--- linux.vanilla-2.6.16-rc4/arch/i386/pci/fixup.c 2006-02-20 11:22:15.000000000 +0000 ++++ linux-2.6.16-rc4/arch/i386/pci/fixup.c 2006-02-01 14:49:17.000000000 +0000 +@@ -74,52 +74,6 @@ + } + DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C810, pci_fixup_ncr53c810); + +-static void __devinit pci_fixup_ide_bases(struct pci_dev *d) +-{ +- int i; +- +- /* +- * PCI IDE controllers use non-standard I/O port decoding, respect it. +- */ +- if ((d->class >> 8) != PCI_CLASS_STORAGE_IDE) +- return; +- DBG("PCI: IDE base address fixup for %s\n", pci_name(d)); +- for(i=0; i<4; i++) { +- struct resource *r = &d->resource[i]; +- if ((r->start & ~0x80) == 0x374) { +- r->start |= 2; +- r->end = r->start; +- } +- } +-} +-DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_ide_bases); +- +-static void __devinit pci_fixup_ide_trash(struct pci_dev *d) +-{ +- int i; +- +- /* +- * Runs the fixup only for the first IDE controller +- * (Shai Fultheim - shai@ftcon.com) +- */ +- static int called = 0; +- if (called) +- return; +- called = 1; +- +- /* +- * There exist PCI IDE controllers which have utter garbage +- * in first four base registers. Ignore that. +- */ +- DBG("PCI: IDE base address trash cleared for %s\n", pci_name(d)); +- for(i=0; i<4; i++) +- d->resource[i].start = d->resource[i].end = d->resource[i].flags = 0; +-} +-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5513, pci_fixup_ide_trash); +-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_10, pci_fixup_ide_trash); +-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_11, pci_fixup_ide_trash); +-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_9, pci_fixup_ide_trash); +- + static void __devinit pci_fixup_latency(struct pci_dev *d) + { + /* +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/pci/probe.c linux-2.6.16-rc4/drivers/pci/probe.c +--- linux.vanilla-2.6.16-rc4/drivers/pci/probe.c 2006-02-20 11:22:17.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/pci/probe.c 2006-02-01 15:56:28.000000000 +0000 +@@ -627,6 +627,7 @@ + static int pci_setup_device(struct pci_dev * dev) + { + u32 class; ++ u16 cmd; + + sprintf(pci_name(dev), "%04x:%02x:%02x.%d", pci_domain_nr(dev->bus), + dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); +@@ -654,6 +655,31 @@ + pci_read_bases(dev, 6, PCI_ROM_ADDRESS); + pci_read_config_word(dev, PCI_SUBSYSTEM_VENDOR_ID, &dev->subsystem_vendor); + pci_read_config_word(dev, PCI_SUBSYSTEM_ID, &dev->subsystem_device); ++ ++ /* ++ * Do the ugly legacy mode stuff here rather than broken chip ++ * quirk code. Legacy mode ATA controllers have fixed ++ * addresses. These are not always echoed in BAR0-3, and ++ * BAR0-3 in a few cases contain junk! ++ */ ++ if (class == PCI_CLASS_STORAGE_IDE) { ++ u8 progif; ++ pci_read_config_byte(dev, PCI_CLASS_PROG, &progif); ++ if ((progif & 5) != 5) { ++ dev->resource[0].start = 0x1F0; ++ dev->resource[0].end = 0x1F7; ++ dev->resource[0].flags = IORESOURCE_IO; ++ dev->resource[1].start = 0x3F6; ++ dev->resource[1].end = 0x3F6; ++ dev->resource[1].flags = IORESOURCE_IO; ++ dev->resource[2].start = 0x170; ++ dev->resource[2].end = 0x177; ++ dev->resource[2].flags = IORESOURCE_IO; ++ dev->resource[3].start = 0x376; ++ dev->resource[3].end = 0x376; ++ dev->resource[3].flags = IORESOURCE_IO; ++ } ++ } + break; + + case PCI_HEADER_TYPE_BRIDGE: /* bridge header */ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/ata_generic.c linux-2.6.16-rc4/drivers/scsi/ata_generic.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/ata_generic.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/ata_generic.c 2006-02-16 15:35:41.000000000 +0000 +@@ -0,0 +1,241 @@ ++/* ++ * ata_generic.c - Generic PATA/SATA controller driver. ++ * Copyright 2005 Red Hat Inc <alan@redhat.com>, all rights reserved. ++ * ++ * Elements from ide/pci/generic.c ++ * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org> ++ * Portions (C) Copyright 2002 Red Hat Inc <alan@redhat.com> ++ * ++ * May be copied or modified under the terms of the GNU General Public License ++ * ++ * Driver for PCI IDE interfaces implementing the standard bus mastering ++ * interface functionality. This assumes the BIOS did the drive set up and ++ * tuning for us. By default we do not grab all IDE class devices as they ++ * may have other drivers or need fixups to avoid problems. Instead we keep ++ * a default list of stuff without documentation/driver that appears to ++ * work. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include "scsi.h" ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "generic" ++#define DRV_VERSION "0.1" ++ ++/* ++ * A generic parallel ATA driver using libata ++ */ ++ ++static void genpata_phy_reset(struct ata_port *ap) ++{ ++ /* We know the BIOS already did the mode work. Don't tempt any ++ one else to "fix" things */ ++ ap->cbl = ATA_CBL_PATA80; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * genpata_set_mode - mode setting ++ * @ap: interface to set up ++ * ++ * Use a non standard set_mode function. We don't want to be tuned. ++ * The BIOS configured everything. Our job is not to fiddle. We ++ * read the dma enabled bits from the PCI configuration of the device ++ * and respect them. ++ */ ++ ++static void genpata_set_mode(struct ata_port *ap) ++{ ++ int dma_enabled; ++ int i; ++ ++ /* Bits 5 and 6 indicate if DMA is active on master/slave */ ++ dma_enabled = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); ++ ++ for (i = 0; i < ATA_MAX_DEVICES; i++) { ++ struct ata_device *dev = &ap->device[i]; ++ if (ata_dev_present(dev)) { ++ /* We don't really care */ ++ dev->pio_mode = XFER_PIO_0; ++ dev->dma_mode = XFER_MW_DMA_0; ++ /* We do need the right mode information for DMA or PIO ++ and this comes from the current configuration flags */ ++ /* FIXME: at some point in the future this should become ++ a library helper which reads the disk modes from the ++ disk as well */ ++ if (dma_enabled & (1 << (5 + i))) { ++ dev->xfer_mode = XFER_MW_DMA_0; ++ dev->xfer_shift = ATA_SHIFT_MWDMA; ++ dev->flags &= ~ATA_DFLAG_PIO; ++ } else { ++ dev->xfer_mode = XFER_PIO_0; ++ dev->xfer_shift = ATA_SHIFT_PIO; ++ dev->flags |= ATA_DFLAG_PIO; ++ } ++ } ++ } ++} ++ ++static struct scsi_host_template genpata_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations genpata_port_ops = { ++ .set_mode = genpata_set_mode, ++ ++ .port_disable = ata_port_disable, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = genpata_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .data_xfer = ata_pio_data_xfer, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int ide_generic_all; /* Set to claim all devices */ ++ ++static int __init ide_generic_all_on(char *unused) ++{ ++ ide_generic_all = 1; ++ printk(KERN_INFO "ATA generic will claim all unknown PCI IDE class storage controllers.\n"); ++ return 1; ++} ++ ++__setup("all-generic-ide", ide_generic_all_on); ++ ++/** ++ * pata_generic_init - attach generic IDE ++ * @dev: PCI device found ++ * @id: match entry ++ * ++ * Called each time a matching IDE interface is found. We check if the ++ * interface is one we wish to claim and if so we perform any chip ++ * specific hacks then let the ATA layer do the heavy lifting. ++ */ ++ ++static int pata_generic_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ u16 command; ++ static struct ata_port_info info = { ++ .sht = &genpata_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_IRQ_MASK, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, ++ .port_ops = &genpata_port_ops ++ }; ++ static struct ata_port_info *port_info[2] = { &info, &info }; ++ ++ /* Don't use the generic entry unless instructed to do so */ ++ if (id->driver_data == 1 && ide_generic_all == 0) ++ return -ENODEV; ++ ++ /* Devices that need care */ ++ if (dev->vendor == PCI_VENDOR_ID_UMC && ++ dev->device == PCI_DEVICE_ID_UMC_UM8886A && ++ (!(PCI_FUNC(dev->devfn) & 1))) ++ return -ENODEV; ++ ++ if (dev->vendor == PCI_VENDOR_ID_OPTI && ++ dev->device == PCI_DEVICE_ID_OPTI_82C558 && ++ (!(PCI_FUNC(dev->devfn) & 1))) ++ return -ENODEV; ++ ++ /* Don't re-enable devices in generic mode or we will break some ++ motherboards with disabled and unused IDE controllers */ ++ pci_read_config_word(dev, PCI_COMMAND, &command); ++ if (!(command & PCI_COMMAND_IO)) ++ return -ENODEV; ++ ++ if (dev->vendor == PCI_VENDOR_ID_AL) ++ ata_pci_clear_simplex(dev); ++ ++ return ata_pci_init_one(dev, port_info, 2); ++} ++ ++static struct pci_device_id pata_generic[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), }, ++ /* Must come last. If you add entries adjust this table appropriately */ ++ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 1}, ++ { 0, }, ++}; ++ ++static struct pci_driver pata_generic_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = pata_generic, ++ .probe = pata_generic_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init pata_generic_init(void) ++{ ++ return pci_module_init(&pata_generic_pci_driver); ++} ++ ++ ++static void __exit pata_generic_exit(void) ++{ ++ pci_unregister_driver(&pata_generic_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for generic ATA"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, pata_generic); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(pata_generic_init); ++module_exit(pata_generic_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/ata_piix.c linux-2.6.16-rc4/drivers/scsi/ata_piix.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/ata_piix.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/ata_piix.c 2006-02-16 15:35:51.000000000 +0000 +@@ -91,9 +91,10 @@ + #include <linux/device.h> + #include <scsi/scsi_host.h> + #include <linux/libata.h> ++#include <linux/ata.h> + + #define DRV_NAME "ata_piix" +-#define DRV_VERSION "1.05" ++#define DRV_VERSION "1.05-ac1" + + enum { + PIIX_IOCFG = 0x54, /* IDE I/O configuration register */ +@@ -122,6 +123,17 @@ + piix4_pata = 2, + ich6_sata = 3, + ich6_sata_ahci = 4, ++ ich0_pata = 5, ++ ich2_pata = 6, ++ ich3_pata = 7, ++ ich4_pata = 8, ++ cich_pata = 9, ++ piix3_pata = 10, ++ esb_pata = 11, ++ ich_pata = 12, ++ ich6_pata = 13, ++ ich7_pata = 14, ++ esb2_pata = 15, + + PIIX_AHCI_DEVICE = 6, + }; +@@ -130,20 +142,69 @@ + const struct pci_device_id *ent); + + static void piix_pata_phy_reset(struct ata_port *ap); ++static void ich_pata_phy_reset(struct ata_port *ap); + static void piix_sata_phy_reset(struct ata_port *ap); + static void piix_set_piomode (struct ata_port *ap, struct ata_device *adev); + static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev); ++static void ich_set_dmamode (struct ata_port *ap, struct ata_device *adev); + + static unsigned int in_module_init = 1; + + static const struct pci_device_id piix_pci_tbl[] = { + #ifdef ATA_ENABLE_PATA ++#if 0 ++ /* Neptune and earlier are simple PIO */ ++ /* 430HX and friends. MWDMA */ ++ { 0x8086, 0x122e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix3_pata }, ++ { 0x8086, 0x1230, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix3_pata }, ++ /* Intel PIIX3 */ ++ { 0x8086, 0x7010, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix3_pata }, ++#endif ++ /* Intel PIIX4 for the 430TX/440BX/MX chipset: UDMA 33 */ ++ /* Also PIIX4E (fn3 rev 2) and PIIX4M (fn3 rev 3) */ + { 0x8086, 0x7111, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix4_pata }, + { 0x8086, 0x24db, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_pata }, + { 0x8086, 0x25a2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_pata }, ++ /* Intel PIIX4 */ ++ { 0x8086, 0x7199, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix4_pata }, ++ /* Intel PIIX4 */ ++ { 0x8086, 0x7601, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix4_pata }, ++ /* Intel PIIX */ ++ { 0x8086, 0x84CA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix4_pata }, ++ /* Intel ICH (i810, i815, i840) UDMA 66*/ ++ { 0x8086, 0x2411, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata }, ++ /* Intel ICH0 : UDMA 33*/ ++ { 0x8086, 0x2421, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich0_pata }, ++ /* Intel ICH2M */ ++ { 0x8086, 0x244A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich2_pata }, ++ /* Intel ICH2 (i810E2, i845, 850, 860) UDMA 100 */ ++ { 0x8086, 0x244B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich2_pata }, ++ /* Intel ICH3M */ ++ { 0x8086, 0x248A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich3_pata }, ++ /* Intel ICH3 (E7500/1) UDMA 100 */ ++ { 0x8086, 0x248B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich3_pata }, ++#if 0 ++ { 0x8086, 0x24C1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, dunno_pata }, ++#endif ++ /* Intel ICH4 (i845GV, i845E, i852, i855) UDMA 100 */ ++ { 0x8086, 0x24CA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich4_pata }, ++ { 0x8086, 0x24CB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich4_pata }, ++ /* Intel ICH5 */ ++ { 0x8086, 0x24DB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_pata }, ++ /* C-ICH (i810E2) */ ++ { 0x8086, 0x245B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, cich_pata }, ++ /* ESB (855GME/875P + 6300ESB) UDMA 100 */ ++ { 0x8086, 0x25A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, esb_pata }, ++ /* ICH6 (and 6) (i915) UDMA 100 */ ++ { 0x8086, 0x266F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_pata }, ++ /* ICH7/7-R (i945, i975) UDMA 100*/ ++ { 0x8086, 0x27DF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich7_pata }, ++ { 0x8086, 0x269E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, esb2_pata }, + #endif +- +- /* NOTE: The following PCI ids must be kept in sync with the ++ /* ++ * SATA ports ++ * ++ * NOTE: The following PCI ids must be kept in sync with the + * list in drivers/pci/quirks.c. + */ + +@@ -213,6 +274,40 @@ + .bmdma_status = ata_bmdma_status, + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, ++ ++ .data_xfer = ata_pio_data_xfer, ++ ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++static const struct ata_port_operations ich_pata_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = piix_set_piomode, ++ .set_dmamode = ich_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = ich_pata_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ ++ .data_xfer = ata_pio_data_xfer, + + .eng_timeout = ata_eng_timeout, + +@@ -242,6 +337,8 @@ + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + ++ .data_xfer = ata_pio_data_xfer, ++ + .eng_timeout = ata_eng_timeout, + + .irq_handler = ata_interrupt, +@@ -259,13 +356,9 @@ + .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | + PIIX_FLAG_CHECKINTR, + .pio_mask = 0x1f, /* pio0-4 */ +-#if 0 + .mwdma_mask = 0x06, /* mwdma1-2 */ +-#else +- .mwdma_mask = 0x00, /* mwdma broken */ +-#endif + .udma_mask = 0x3f, /* udma0-5 */ +- .port_ops = &piix_pata_ops, ++ .port_ops = &ich_pata_ops, + }, + + /* ich5_sata */ +@@ -284,11 +377,7 @@ + .sht = &piix_sht, + .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, + .pio_mask = 0x1f, /* pio0-4 */ +-#if 0 + .mwdma_mask = 0x06, /* mwdma1-2 */ +-#else +- .mwdma_mask = 0x00, /* mwdma broken */ +-#endif + .udma_mask = ATA_UDMA_MASK_40C, + .port_ops = &piix_pata_ops, + }, +@@ -316,6 +405,116 @@ + .udma_mask = 0x7f, /* udma0-6 */ + .port_ops = &piix_sata_ops, + }, ++ ++ /* ich0_pata */ ++ { ++ .sht = &piix_sht, ++ .host_flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, /* pio 0-4 */ ++ .mwdma_mask = 0x06, /* MWDMA0 is broken on chip */ ++ .udma_mask = 0x07, /* UDMA33 only */ ++ .port_ops = &ich_pata_ops, ++ }, ++ ++ /* ich2_pata */ ++ { ++ .sht = &piix_sht, ++ .host_flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, /* pio 0-4 */ ++ .mwdma_mask = 0x06, /* MWDMA0 is broken on chip */ ++ .udma_mask = 0x1f, /* UDMA100 */ ++ .port_ops = &ich_pata_ops, ++ }, ++ ++ /* ich3_pata */ ++ { ++ .sht = &piix_sht, ++ .host_flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, /* pio 0-4 */ ++ .mwdma_mask = 0x06, /* MWDMA0 is broken on chip */ ++ .udma_mask = 0x1f, /* UDMA100 */ ++ .port_ops = &ich_pata_ops, ++ }, ++ ++ /* ich4_pata */ ++ { ++ .sht = &piix_sht, ++ .host_flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, /* pio 0-4 */ ++ .mwdma_mask = 0x06, /* Check: maybe 0x07 */ ++ .udma_mask = 0x1f, /* UDMA100 */ ++ .port_ops = &ich_pata_ops, ++ }, ++ ++ /* cich_pata */ ++ { ++ .sht = &piix_sht, ++ .host_flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, /* pio 0-4 */ ++ .mwdma_mask = 0x06, /* Check: maybe 0x07 */ ++ .udma_mask = 0x1f, /* UDMA100 */ ++ .port_ops = &ich_pata_ops, ++ }, ++ ++ /* piix3_pata */ ++ { ++ .sht = &piix_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .mwdma_mask = 0x07, /* mwdma1-2 */ ++ .udma_mask = ATA_UDMA_MASK_40C, ++ .port_ops = &piix_pata_ops, ++ }, ++ ++ /* esb_pata */ ++ { ++ .sht = &piix_sht, ++ .host_flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, /* pio 0-4 */ ++ .mwdma_mask = 0x06, /* Check: maybe 0x07 */ ++ .udma_mask = 0x1f, /* UDMA100 */ ++ .port_ops = &piix_pata_ops, ++ }, ++ ++ /* ich_pata */ ++ { ++ .sht = &piix_sht, ++ .host_flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, /* pio 0-4 */ ++ .mwdma_mask = 0x06, /* Check: maybe 0x07 */ ++ .udma_mask = 0x07, /* UDMA66 */ ++ .port_ops = &ich_pata_ops, ++ }, ++ ++ /* ich6_pata */ ++ { ++ .sht = &piix_sht, ++ .host_flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, /* pio 0-4 */ ++ .mwdma_mask = 0x06, /* Check: maybe 0x07 */ ++ .udma_mask = 0x3f, /* UDMA133 */ ++ .port_ops = &ich_pata_ops, ++ }, ++ ++ /* ich7_pata */ ++ { ++ .sht = &piix_sht, ++ .host_flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, /* pio 0-4 */ ++ .mwdma_mask = 0x06, /* Check: maybe 0x07 */ ++ .udma_mask = 0x3f, /* UDMA133 */ ++ .port_ops = &ich_pata_ops, ++ }, ++ ++ /* esb2_pata */ ++ { ++ .sht = &piix_sht, ++ .host_flags = ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, /* pio 0-4 */ ++ .mwdma_mask = 0x06, /* Check: maybe 0x07 */ ++ .udma_mask = 0x1f, /* UDMA100 -- CHECKME --*/ ++ .port_ops = &ich_pata_ops, ++ }, + }; + + static struct pci_bits piix_enable_bits[] = { +@@ -339,7 +538,7 @@ + * LOCKING: + * None (inherited from caller). + */ +-static void piix_pata_cbl_detect(struct ata_port *ap) ++static void ich_pata_cbl_detect(struct ata_port *ap) + { + struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); + u8 tmp, mask; +@@ -366,8 +565,9 @@ + * piix_pata_phy_reset - Probe specified port on PATA host controller + * @ap: Port to probe + * +- * Probe PATA phy. +- * ++ * Probe PATA phy. Unlike the ICH we have no IOCFG register and ++ * don't do UDMA66+ anyway. ++ + * LOCKING: + * None (inherited from caller). + */ +@@ -381,11 +581,34 @@ + printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); + return; + } ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} + +- piix_pata_cbl_detect(ap); + +- ata_port_probe(ap); ++/** ++ * ich_pata_phy_reset - Probe specified port on PATA host controller ++ * @ap: Port to probe ++ * ++ * Probe PATA phy. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void ich_pata_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); + ++ if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ++ ich_pata_cbl_detect(ap); ++ ata_port_probe(ap); + ata_bus_reset(ap); + } + +@@ -481,6 +704,13 @@ + unsigned int slave_port = 0x44; + u16 master_data; + u8 slave_data; ++ u8 udma_enable; ++ int control = 0; ++ ++ /* ++ * See Intel Document 298600-004 for the timing programing rules ++ * for ICH controllers. ++ */ + + static const /* ISP RTC */ + u8 timings[][2] = { { 0, 0 }, +@@ -489,20 +719,30 @@ + { 2, 1 }, + { 2, 3 }, }; + ++ if (pio > 2) ++ control |= 1; /* TIME1 enable */ ++ if (ata_pio_need_iordy(adev)) ++ control |= 2; /* IE enable */ ++ ++ /* Intel specifies that the PPE functionality is for disk only */ ++ if (adev->class == ATA_DEV_ATA) ++ control |= 4; /* PPE enable */ ++ + pci_read_config_word(dev, master_port, &master_data); + if (is_slave) { ++ /* Enable SITRE (seperate slave timing register) */ + master_data |= 0x4000; +- /* enable PPE, IE and TIME */ +- master_data |= 0x0070; ++ /* enable PPE1, IE1 and TIME1 as needed */ ++ master_data |= (control << 4); + pci_read_config_byte(dev, slave_port, &slave_data); + slave_data &= (ap->hard_port_no ? 0x0f : 0xf0); +- slave_data |= +- (timings[pio][0] << 2) | +- (timings[pio][1] << (ap->hard_port_no ? 4 : 0)); ++ /* Load the timing nibble for this slave */ ++ slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << (ap->hard_port_no ? 4 : 0); + } else { ++ /* Master keeps the bits in a different format */ + master_data &= 0xccf8; +- /* enable PPE, IE and TIME */ +- master_data |= 0x0007; ++ /* Enable PPE, IE and TIME as appropriate */ ++ master_data |= control; + master_data |= + (timings[pio][0] << 12) | + (timings[pio][1] << 8); +@@ -510,84 +750,165 @@ + pci_write_config_word(dev, master_port, master_data); + if (is_slave) + pci_write_config_byte(dev, slave_port, slave_data); ++ ++ /* Ensure the UDMA bit is off - it will be turned back on if ++ UDMA is selected */ ++ ++ if (ap->udma_mask) { ++ pci_read_config_byte(dev, 0x48, &udma_enable); ++ udma_enable &= ~(1 << (2 * ap->hard_port_no + adev->devno)); ++ pci_write_config_byte(dev, 0x48, udma_enable); ++ } + } + + /** +- * piix_set_dmamode - Initialize host controller PATA PIO timings ++ * do_piix_set_dmamode - Initialize host controller PATA PIO timings + * @ap: Port whose timings we are configuring +- * @adev: um +- * @udma: udma mode, 0 - 6 ++ * @adev: device to configure ++ * @isich: True if the device is an ICH and has IOCFG registers + * +- * Set UDMA mode for device, in host controller PCI config space. ++ * Set MW/UDMA mode for device, in host controller PCI config space. ++ * Note: We know the caller has already set the PIO mode. In doing ++ * so it has correctly set PPE, SITRE, IORDY and TIME1. We rely on that. + * + * LOCKING: + * None (inherited from caller). + */ + +-static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++static void do_pata_set_dmamode (struct ata_port *ap, struct ata_device *adev, int isich) + { +- unsigned int udma = adev->dma_mode; /* FIXME: MWDMA too */ + struct pci_dev *dev = to_pci_dev(ap->host_set->dev); +- u8 maslave = ap->hard_port_no ? 0x42 : 0x40; +- u8 speed = udma; +- unsigned int drive_dn = (ap->hard_port_no ? 2 : 0) + adev->devno; +- int a_speed = 3 << (drive_dn * 4); +- int u_flag = 1 << drive_dn; +- int v_flag = 0x01 << drive_dn; +- int w_flag = 0x10 << drive_dn; +- int u_speed = 0; +- int sitre; +- u16 reg4042, reg4a; +- u8 reg48, reg54, reg55; +- +- pci_read_config_word(dev, maslave, ®4042); +- DPRINTK("reg4042 = 0x%04x\n", reg4042); +- sitre = (reg4042 & 0x4000) ? 1 : 0; +- pci_read_config_byte(dev, 0x48, ®48); +- pci_read_config_word(dev, 0x4a, ®4a); +- pci_read_config_byte(dev, 0x54, ®54); +- pci_read_config_byte(dev, 0x55, ®55); +- +- switch(speed) { +- case XFER_UDMA_4: +- case XFER_UDMA_2: u_speed = 2 << (drive_dn * 4); break; +- case XFER_UDMA_6: +- case XFER_UDMA_5: +- case XFER_UDMA_3: +- case XFER_UDMA_1: u_speed = 1 << (drive_dn * 4); break; +- case XFER_UDMA_0: u_speed = 0 << (drive_dn * 4); break; +- case XFER_MW_DMA_2: +- case XFER_MW_DMA_1: break; +- default: +- BUG(); +- return; +- } ++ u8 master_port = ap->hard_port_no ? 0x42 : 0x40; ++ u16 master_data; ++ u8 speed = adev->dma_mode; ++ int devid = adev->devno + 2 * ap->hard_port_no; ++ u8 udma_enable; ++ ++ static const /* ISP RTC */ ++ u8 timings[][2] = { { 0, 0 }, ++ { 0, 0 }, ++ { 1, 0 }, ++ { 2, 1 }, ++ { 2, 3 }, }; + ++ pci_read_config_word(dev, master_port, &master_data); ++ pci_read_config_byte(dev, 0x48, &udma_enable); ++ + if (speed >= XFER_UDMA_0) { +- if (!(reg48 & u_flag)) +- pci_write_config_byte(dev, 0x48, reg48 | u_flag); +- if (speed == XFER_UDMA_5) { +- pci_write_config_byte(dev, 0x55, (u8) reg55|w_flag); +- } else { +- pci_write_config_byte(dev, 0x55, (u8) reg55 & ~w_flag); ++ unsigned int udma = adev->dma_mode - XFER_UDMA_0; ++ u16 udma_timing; ++ u16 ideconf; ++ int u_clock, u_speed; ++ ++ /* ++ * UDMA is handled by a combination of clock switching and ++ * selection of dividers ++ * ++ * Handy rule: Odd modes are UDMATIMx 01, even are 02 ++ * except UDMA0 which is 00 ++ */ ++ u_speed = min(2 - (udma & 1), udma); ++ if (udma == 5) ++ u_clock = 0x1000; /* 100Mhz */ ++ else if (udma > 2) ++ u_clock = 1; /* 66Mhz */ ++ else ++ u_clock = 0; /* 33Mhz */ ++ ++ udma_enable |= (1 << devid); ++ ++ /* Load the CT/RP selection */ ++ pci_read_config_word(dev, 0x4A, &udma_timing); ++ udma_timing &= ~(3 << (4 * devid)); ++ udma_timing |= u_speed << (4 * devid); ++ pci_write_config_word(dev, 0x4A, udma_timing); ++ ++ if (isich) { ++ /* Select a 33/66/100Mhz clock */ ++ pci_read_config_word(dev, 0x54, &ideconf); ++ ideconf &= ~(0x1001 << devid); ++ ideconf |= u_clock << devid; ++ /* For ICH or later we should set bit 10 for better ++ performance (WR_PingPong_En) */ ++ pci_write_config_word(dev, 0x54, ideconf); + } +- if ((reg4a & a_speed) != u_speed) +- pci_write_config_word(dev, 0x4a, (reg4a & ~a_speed) | u_speed); +- if (speed > XFER_UDMA_2) { +- if (!(reg54 & v_flag)) +- pci_write_config_byte(dev, 0x54, reg54 | v_flag); +- } else +- pci_write_config_byte(dev, 0x54, reg54 & ~v_flag); + } else { +- if (reg48 & u_flag) +- pci_write_config_byte(dev, 0x48, reg48 & ~u_flag); +- if (reg4a & a_speed) +- pci_write_config_word(dev, 0x4a, reg4a & ~a_speed); +- if (reg54 & v_flag) +- pci_write_config_byte(dev, 0x54, reg54 & ~v_flag); +- if (reg55 & w_flag) +- pci_write_config_byte(dev, 0x55, (u8) reg55 & ~w_flag); ++ /* ++ * MWDMA is driven by the PIO timings. We must also enable ++ * IORDY unconditionally along with TIME1. PPE has already ++ * been set when the PIO timing was set. ++ */ ++ unsigned int mwdma = adev->dma_mode - XFER_MW_DMA_0; ++ unsigned int control; ++ u8 slave_data; ++ const unsigned int needed_pio[3] = { ++ XFER_PIO_0, XFER_PIO_3, XFER_PIO_4 ++ }; ++ int pio = needed_pio[mwdma] - XFER_PIO_0; ++ ++ control = 3; /* IORDY|TIME1 */ ++ ++ /* If the drive MWDMA is faster than it can do PIO then ++ we must force PIO into PIO0 */ ++ ++ if (adev->pio_mode < needed_pio[mwdma]) ++ /* Enable DMA timing only */ ++ control |= 8; /* PIO cycles in PIO0 */ ++ ++ if (adev->devno) { /* Slave */ ++ master_data &= 0xFF4F; /* Mask out IORDY|TIME1|DMAONLY */ ++ master_data |= control << 4; ++ pci_read_config_byte(dev, 0x44, &slave_data); ++ slave_data &= (0x0F + 0xE1 * ap->hard_port_no); ++ /* Load the matching timing */ ++ slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << (ap->hard_port_no ? 4 : 0); ++ pci_write_config_byte(dev, 0x44, slave_data); ++ } else { /* Master */ ++ master_data &= 0xCCF4; /* Mask out IORDY|TIME1|DMAONLY ++ and master timing bits */ ++ master_data |= control; ++ master_data |= ++ (timings[pio][0] << 12) | ++ (timings[pio][1] << 8); ++ } ++ udma_enable &= ~(1 << devid); ++ pci_write_config_word(dev, master_port, master_data); + } ++ /* Don't scribble on 0x48 if the controller does not support UDMA */ ++ if (ap->udma_mask) ++ pci_write_config_byte(dev, 0x48, udma_enable); ++} ++ ++/** ++ * piix_set_dmamode - Initialize host controller PATA DMA timings ++ * @ap: Port whose timings we are configuring ++ * @adev: um ++ * ++ * Set MW/UDMA mode for device, in host controller PCI config space. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++{ ++ do_pata_set_dmamode(ap, adev, 0); ++} ++ ++/** ++ * ich_set_dmamode - Initialize host controller PATA DMA timings ++ * @ap: Port whose timings we are configuring ++ * @adev: um ++ * ++ * Set MW/UDMA mode for device, in host controller PCI config space. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void ich_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++{ ++ do_pata_set_dmamode(ap, adev, 1); + } + + #define AHCI_PCI_BAR 5 +@@ -646,15 +967,15 @@ + pci_read_config_byte(pdev, PCI_REVISION_ID, &rev); + pci_read_config_word(pdev, 0x41, &cfg); + /* Only on the original revision: IDE DMA can hang */ +- if(rev == 0x00) ++ if (rev == 0x00) + no_piix_dma = 1; + /* On all revisions below 5 PXB bus lock must be disabled for IDE */ +- else if(cfg & (1<<14) && rev < 5) ++ else if (cfg & (1<<14) && rev < 5) + no_piix_dma = 2; + } +- if(no_piix_dma) ++ if (no_piix_dma) + dev_printk(KERN_WARNING, &ata_dev->dev, "450NX errata present, disabling IDE DMA.\n"); +- if(no_piix_dma == 2) ++ if (no_piix_dma == 2) + dev_printk(KERN_WARNING, &ata_dev->dev, "A BIOS update may resolve this.\n"); + return no_piix_dma; + } +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/Kconfig linux-2.6.16-rc4/drivers/scsi/Kconfig +--- linux.vanilla-2.6.16-rc4/drivers/scsi/Kconfig 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/Kconfig 2006-02-17 18:22:18.000000000 +0000 +@@ -599,6 +599,316 @@ + depends on IDE=y && !BLK_DEV_IDE_SATA && (SCSI_SATA_AHCI || SCSI_ATA_PIIX) + default y + ++config SCSI_PATA_ALI ++ tristate "ALi PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for the ALi ATA interfaces ++ found on the many ALi chipsets. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_AMD ++ tristate "AMD/NVidia PATA support" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for the AMD and NVidia PATA ++ interfaces found on the chipsets for Athlon/Athlon64. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_ARTOP ++ tristate "ARTOP 6210/6260 PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for ARTOP PATA controllers. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_ATIIXP ++ tristate "ATI PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for the ATI ATA interfaces ++ found on the many ATI chipsets. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_CMD64X ++ tristate "CMD64x PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for the CMD64x series chips ++ except for the CMD640. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_CS5520 ++ tristate "CS5510/5520 PATA support" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for the Cyrix 5510/5520 ++ companion chip used with the MediaGX/Geode processor family. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_CS5530 ++ tristate "CS5530 PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for the Cyrix/NatSemi/AMD CS5530 ++ companion chip used with the MediaGX/Geode processor family. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_CS5535 ++ tristate "CS5535 PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && X86 && !X86_64 && EXPERIMENTAL ++ help ++ This option enables support for the NatSemi/AMD CS5535 ++ companion chip used with the Geode processor family. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_CYPRESS ++ tristate "Cypress CY82C693 PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for the Cypress/Contaq CY82C693 ++ chipset found in some Alpha systems ++ ++ If unsure, say N. ++ ++config SCSI_PATA_EFAR ++ tristate "EFAR SLC90E66 support" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for the EFAR SLC90E66 ++ IDE controller found on some older machines. ++ ++ If unsure, say N. ++ ++config SCSI_ATA_GENERIC ++ tristate "Generic PATA support" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for generic BIOS configured ++ PATA controllers via the new ATA layer ++ ++ If unsure, say N. ++ ++config SCSI_PATA_HPT37X ++ tristate "HPT 370/370A/371/372/374/302 PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for the majority of the later HPT ++ PATA controllers via the new ATA layer. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_HPT3X2N ++ tristate "HPT 372N/302N PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for the N variant HPT PATA ++ controllers via the new ATA layer ++ ++ If unsure, say N. ++ ++config SCSI_PATA_HPT3X3 ++ tristate "HPT 343/363 PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for the HPT 343/363 ++ PATA controllers via the new ATA layer ++ ++ If unsure, say N. ++ ++config SCSI_PATA_ISAPNP ++ tristate "ISA Plug and Play PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && EXPERIMENTAL ++ help ++ This option enables support for ISA plug & play ATA ++ controllers such as those found on old soundcards. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_IT8172 ++ tristate "IT8172 PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for the ITE 8172 PATA controller ++ via the new ATA layer. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_IT821X ++ tristate "IT821x PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for the ITE 8211 and 8212 ++ PATA controllers via the new ATA layer, including RAID ++ mode. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_LEGACY ++ tristate "Legacy ISA PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for ISA bus legacy PATA ++ interfaces on ide2-5 and allows them to be accessed via ++ the new ATA layer. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_MPIIX ++ tristate "Intel PATA MPIIX support" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for MPIIX PATA support. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_NETCELL ++ tristate "NETCELL Revolution RAID support" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for the Netcell Revolution RAID ++ PATA controller. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_NS87410 ++ tristate "Nat Semi NS87410 PATA support (Experimental)" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for the National Semiconductor ++ NS87410 PCI-IDE controller. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_OLDPIIX ++ tristate "Intel PATA old PIIX support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for early PIIX PATA interfaces. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_OPTI ++ tristate "OPTI621/6215 PATA support" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables full PIO support for the early Opti ATA ++ controllers found on some old motherboards. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_PCMCIA ++ tristate "PCMCIA PATA support (Raving Lunatic)" ++ depends on SCSI_SATA ++ help ++ This option enables support for PCMCIA ATA interfaces, including ++ compact flash card adapters via the new ATA layer. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_PDC_OLD ++ tristate "Older Promise PATA controller support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for the Promise 20246, 20262, 20263, ++ 20265 and 20267 adapters. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_QDI ++ tristate "QDI VLB PATA support" ++ depends on SCSI_SATA ++ help ++ Support for QDI 6500 and 6580 PATA controllers on VESA local bus. ++ ++config SCSI_PATA_RADISYS ++ tristate "RADISYS 82600 PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for the RADISYS 82600 ++ PATA controllers via the new ATA layer ++ ++ If unsure, say N. ++ ++config SCSI_PATA_RZ1000 ++ tristate "PC Tech RZ1000 PATA support" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables basic support for the PC Tech RZ1000/1 ++ PATA controllers via the new ATA layer ++ ++ If unsure, say N. ++ ++config SCSI_PATA_SC1200 ++ tristate "SC1200 PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for the NatSemi/AMD SC1200 SoC ++ companion chip used with the Geode processor family. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_SERVERWORKS ++ tristate "SERVERWORKS OSB4/CSB5/CSB6 PATA support (Experimental)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for the Serverworks OSB4/CSB5 and ++ CSB6 IDE controllers, via the new ATA layer. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_SIL680 ++ tristate "CMD / Silicon Image 680 PATA support" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for CMD / Silicon Image 680 PATA. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_SIS ++ tristate "SiS PATA support (Experimental)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ This option enables support for SiS PATA controllers ++ ++ If unsure, say N. ++ ++config SCSI_PATA_TRIFLEX ++ tristate "Compaq Triflex PATA support (Raving Lunatic)" ++ depends on SCSI_SATA && PCI && EXPERIMENTAL ++ help ++ Enable support for the Compaq 'Triflex' IDE controller as found ++ on many Compaq Pentium-Pro systems, via the new ATA layer. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_VIA ++ tristate "VIA PATA support" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for the VIA PATA interfaces ++ found on the many VIA chipsets. ++ ++ If unsure, say N. ++ ++config SCSI_PATA_WINBOND ++ tristate "Winbond SL82C105 PATA support" ++ depends on SCSI_SATA && PCI ++ help ++ This option enables support for SL82C105 PATA devices found in the ++ Netwinder and some other systems ++ ++ If unsure, say N. ++ ++ + config SCSI_BUSLOGIC + tristate "BusLogic SCSI support" + depends on (PCI || ISA || MCA) && SCSI && ISA_DMA_API +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/libata-core.c linux-2.6.16-rc4/drivers/scsi/libata-core.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/libata-core.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/libata-core.c 2006-02-20 11:28:03.000000000 +0000 +@@ -68,9 +68,10 @@ + static void ata_dev_init_params(struct ata_port *ap, struct ata_device *dev); + static void ata_set_mode(struct ata_port *ap); + static void ata_dev_set_xfermode(struct ata_port *ap, struct ata_device *dev); +-static unsigned int ata_get_mode_mask(const struct ata_port *ap, int shift); ++static unsigned int ata_get_mode_mask(const struct ata_port *ap, struct ata_device *adev, int shift); + static int fgb(u32 bitmap); + static int ata_choose_xfer_mode(const struct ata_port *ap, ++ struct ata_device *adev, + u8 *xfer_mode_out, + unsigned int *xfer_shift_out); + static void __ata_qc_complete(struct ata_queued_cmd *qc); +@@ -1205,6 +1206,48 @@ + return 0; + } + ++static void ata_dev_check_hpa(struct ata_port *ap, struct ata_device *dev) ++{ ++ struct ata_taskfile tf; ++ unsigned long long true_size; ++ unsigned int err_mask; ++ ++ if (!ata_id_has_hpa(dev->id) || !ata_id_hpa_enabled(dev->id)) ++ return; ++ ++ /* Issue a query for HPA */ ++ ata_dev_select(ap, dev->devno, 1, 1); ++ ata_tf_init(ap, &tf, dev->devno); ++ ++ if (dev->flags & ATA_DFLAG_LBA48) { ++ tf.command = ATA_CMD_READ_NATIVE_MAX_EXT; ++ tf.device |= 0x40; ++ err_mask = ata_exec_internal(ap, dev, &tf, DMA_NONE, NULL, 0); ++ if (err_mask) ++ return; ++ /* Ok HPA is live */ ++ true_size = (tf.hob_lbah << 16) | (tf.hob_lbam << 8) | (tf.hob_lbal); ++ true_size <<= 24; ++ true_size |= (tf.lbah << 16) | (tf.lbam << 8) | tf.lbal; ++ } else { ++ tf.command = ATA_CMD_READ_NATIVE_MAX; ++ tf.device |= 0x40; ++ err_mask = ata_exec_internal(ap, dev, &tf, DMA_NONE, NULL, 0); ++ if (err_mask) ++ return; ++ /* Ok HPA is live */ ++ true_size = ((tf.device & 0x0F) << 24) | ++ (tf.lbah << 16) | ++ (tf.lbam << 8) | ++ tf.lbal; ++ } ++ dev->flags |= ATA_DFLAG_HPA; ++ /* Should save the HPA value and expose it for dmraid then ++ remove the clipping */ ++ printk(KERN_INFO "HPA present: true size %lld sectors.\n", ++ true_size + 1); ++} ++ + /** + * ata_dev_identify - obtain IDENTIFY x DEVICE page + * @ap: port on which device we wish to probe resides +@@ -1328,7 +1371,7 @@ + + /* ATA-specific feature tests */ + if (dev->class == ATA_DEV_ATA) { +- if (!ata_id_is_ata(dev->id)) /* sanity check */ ++ if (!ata_id_is_ata(dev->id) && !ata_id_is_cfa(dev->id)) /* sanity check */ + goto err_out_nosup; + + /* get major version */ +@@ -1400,6 +1443,13 @@ + } + + ap->host->max_cmd_len = 16; ++ ++ /* ++ * See if we have the HPA misfeature on the drive ++ */ ++#if 0 /* TESTING */ ++ ata_dev_check_hpa(ap, dev); ++#endif + } + + /* ATAPI-specific feature tests */ +@@ -1485,10 +1535,23 @@ + ap->ops->phy_reset(ap); + if (ap->flags & ATA_FLAG_PORT_DISABLED) + goto err_out; ++ ++ /* The reset means we are in PIO 0, but the controller may not ++ yet be correctly set up and may have old BIOS settings, or just ++ no settings at all. Set all the devices to PIO 0 */ ++ ++ for (i = 0; i < ATA_MAX_DEVICES; i++) ++ ap->device[i].pio_mode = XFER_PIO_0; + + for (i = 0; i < ATA_MAX_DEVICES; i++) { ++ struct ata_device *adev = & ap->device[i]; ++ ++ /* Set up the controller on this port for PIO 0. We must not ++ send the drive speed setting commands at this point */ ++ ap->ops->set_piomode(ap, adev); ++ + ata_dev_identify(ap, i); +- if (ata_dev_present(&ap->device[i])) { ++ if (ata_dev_present(adev)) { + found = 1; + ata_dev_config(ap,i); + } +@@ -1497,7 +1560,11 @@ + if ((!found) || (ap->flags & ATA_FLAG_PORT_DISABLED)) + goto err_out_disable; + +- ata_set_mode(ap); ++ if(ap->ops->set_mode) ++ ap->ops->set_mode(ap); ++ else ++ ata_set_mode(ap); ++ + if (ap->flags & ATA_FLAG_PORT_DISABLED) + goto err_out_disable; + +@@ -1612,6 +1679,23 @@ + } + + /** ++ * ata_dev_pair - return other device on cable ++ * @ap: port ++ * @adev: device ++ * ++ * Obtain the other device on the same cable, or if none is ++ * present NULL is returned ++ */ ++ ++struct ata_device *ata_dev_pair(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct ata_device *pair = &ap->device[1 - adev->devno]; ++ if (!ata_dev_present(pair)) ++ return NULL; ++ return pair; ++} ++ ++/** + * ata_port_disable - Disable port. + * @ap: Port to be disabled. + * +@@ -1824,16 +1908,19 @@ + ap->id, dev->devno, xfer_mode_str[idx]); + } + +-static int ata_host_set_pio(struct ata_port *ap) ++static int ata_host_set_pio(struct ata_port *ap, struct ata_device *adev) + { + unsigned int mask; +- int x, i; ++ int x; + u8 base, xfer_mode; + +- mask = ata_get_mode_mask(ap, ATA_SHIFT_PIO); ++ if (!ata_dev_present(adev)) ++ return 0; ++ ++ mask = ata_get_mode_mask(ap, adev, ATA_SHIFT_PIO); + x = fgb(mask); + if (x < 0) { +- printk(KERN_WARNING "ata%u: no PIO support\n", ap->id); ++ printk(KERN_WARNING "ata%u: no PIO support for device %d.\n", ap->id, adev->devno); + return -1; + } + +@@ -1843,34 +1930,24 @@ + DPRINTK("base 0x%x xfer_mode 0x%x mask 0x%x x %d\n", + (int)base, (int)xfer_mode, mask, x); + +- for (i = 0; i < ATA_MAX_DEVICES; i++) { +- struct ata_device *dev = &ap->device[i]; +- if (ata_dev_present(dev)) { +- dev->pio_mode = xfer_mode; +- dev->xfer_mode = xfer_mode; +- dev->xfer_shift = ATA_SHIFT_PIO; +- if (ap->ops->set_piomode) +- ap->ops->set_piomode(ap, dev); +- } +- } ++ adev->pio_mode = xfer_mode; ++ adev->xfer_mode = xfer_mode; ++ adev->xfer_shift = ATA_SHIFT_PIO; ++ if (ap->ops->set_piomode) ++ ap->ops->set_piomode(ap, adev); + + return 0; + } + +-static void ata_host_set_dma(struct ata_port *ap, u8 xfer_mode, +- unsigned int xfer_shift) ++static void ata_host_set_dma(struct ata_port *ap, struct ata_device *adev, ++ u8 xfer_mode, unsigned int xfer_shift) + { +- int i; +- +- for (i = 0; i < ATA_MAX_DEVICES; i++) { +- struct ata_device *dev = &ap->device[i]; +- if (ata_dev_present(dev)) { +- dev->dma_mode = xfer_mode; +- dev->xfer_mode = xfer_mode; +- dev->xfer_shift = xfer_shift; +- if (ap->ops->set_dmamode) +- ap->ops->set_dmamode(ap, dev); +- } ++ if (ata_dev_present(adev)) { ++ adev->dma_mode = xfer_mode; ++ adev->xfer_mode = xfer_mode; ++ adev->xfer_shift = xfer_shift; ++ if (ap->ops->set_dmamode) ++ ap->ops->set_dmamode(ap, adev); + } + } + +@@ -1886,32 +1963,64 @@ + */ + static void ata_set_mode(struct ata_port *ap) + { +- unsigned int xfer_shift; +- u8 xfer_mode; ++ unsigned int xfer_shift[ATA_MAX_DEVICES]; ++ u8 xfer_mode[ATA_MAX_DEVICES]; + int rc; ++ int i; ++ int used_dma = 0; /* Track if DMA was used for this setup */ + +- /* step 1: always set host PIO timings */ +- rc = ata_host_set_pio(ap); +- if (rc) +- goto err_out; ++ /* We need to set timings individually for each device */ + +- /* step 2: choose the best data xfer mode */ +- xfer_mode = xfer_shift = 0; +- rc = ata_choose_xfer_mode(ap, &xfer_mode, &xfer_shift); +- if (rc) +- goto err_out; ++ /* Compute the timings first so that when we ask the device to do ++ speed configuration it can see all the intended device state in ++ full */ + +- /* step 3: if that xfer mode isn't PIO, set host DMA timings */ +- if (xfer_shift != ATA_SHIFT_PIO) +- ata_host_set_dma(ap, xfer_mode, xfer_shift); +- +- /* step 4: update devices' xfer mode */ +- ata_dev_set_mode(ap, &ap->device[0]); +- ata_dev_set_mode(ap, &ap->device[1]); ++ for (i = 0; i < ATA_MAX_DEVICES; i++) { ++ struct ata_device *adev = &ap->device[i]; ++ /* Choose the best data xfer mode */ ++ xfer_mode[i] = xfer_shift[i] = 0; ++ rc = ata_choose_xfer_mode(ap, adev, &xfer_mode[i], &xfer_shift[i]); ++ if (rc) ++ goto err_out; ++ ++ } ++ ++ /* Now set the mode tables we have computed */ ++ for (i = 0; i < ATA_MAX_DEVICES; i++) { ++ struct ata_device *adev = &ap->device[i]; ++ /* step 1: always set host PIO timings */ ++ rc = ata_host_set_pio(ap, adev); ++ if (rc) ++ goto err_out; ++ ++ /* step 2: if that xfer mode isn't PIO, set host DMA timings */ ++ if (xfer_shift[i] != ATA_SHIFT_PIO) { ++ ata_host_set_dma(ap, adev, xfer_mode[i], xfer_shift[i]); ++ used_dma = 1; ++ } ++ ++ /* In some cases the DMA mode will cause the driver to ++ update the pio mode to match chip limits. */ ++ ++ /* step 3: update devices' xfer mode */ ++ ata_dev_set_mode(ap, adev); ++ } + + if (ap->flags & ATA_FLAG_PORT_DISABLED) + return; + ++ /* ++ * Record simplex status. If we selected DMA then the other ++ * host channels are not permitted to do so. ++ */ ++ ++ if (used_dma && (ap->host_set->host_set_flags & ATA_HOST_SIMPLEX)) ++ ap->host_set->simplex_claimed = 1; ++ ++ /* ++ * Chip specific finalisation ++ */ ++ + if (ap->ops->post_set_mode) + ap->ops->post_set_mode(ap); + +@@ -2256,76 +2365,57 @@ + return 0; + } + +-static unsigned int ata_get_mode_mask(const struct ata_port *ap, int shift) ++static unsigned int ata_get_mode_mask(const struct ata_port *ap, struct ata_device *adev, int shift) + { +- const struct ata_device *master, *slave; + unsigned int mask; ++ struct ata_host_set *hs = ap->host_set; + +- master = &ap->device[0]; +- slave = &ap->device[1]; ++ if (!ata_dev_present(adev)) ++ return 0xFF; /* Drive isn't limiting anything */ ++ ++ if (shift == ATA_SHIFT_PIO) { ++ u16 tmp_mode = ata_pio_modes(adev); ++ mask = ap->pio_mask; ++ mask &= tmp_mode; ++ } + +- assert (ata_dev_present(master) || ata_dev_present(slave)); ++ /* ++ * Enforce simplex rules if host is simplex ++ */ ++ ++ if (hs->host_set_flags & ATA_HOST_SIMPLEX) { ++ if (hs->simplex_claimed) { ++ if (shift != ATA_SHIFT_PIO) ++ return 0; ++ } ++ } + + if (shift == ATA_SHIFT_UDMA) { + mask = ap->udma_mask; +- if (ata_dev_present(master)) { +- mask &= (master->id[ATA_ID_UDMA_MODES] & 0xff); +- if (ata_dma_blacklisted(master)) { +- mask = 0; +- ata_pr_blacklisted(ap, master); +- } +- } +- if (ata_dev_present(slave)) { +- mask &= (slave->id[ATA_ID_UDMA_MODES] & 0xff); +- if (ata_dma_blacklisted(slave)) { +- mask = 0; +- ata_pr_blacklisted(ap, slave); +- } ++ mask &= (adev->id[ATA_ID_UDMA_MODES] & 0xff); ++ if (ata_dma_blacklisted(adev)) { ++ mask = 0; ++ ata_pr_blacklisted(ap, adev); + } + } + else if (shift == ATA_SHIFT_MWDMA) { + mask = ap->mwdma_mask; +- if (ata_dev_present(master)) { +- mask &= (master->id[ATA_ID_MWDMA_MODES] & 0x07); +- if (ata_dma_blacklisted(master)) { +- mask = 0; +- ata_pr_blacklisted(ap, master); +- } +- } +- if (ata_dev_present(slave)) { +- mask &= (slave->id[ATA_ID_MWDMA_MODES] & 0x07); +- if (ata_dma_blacklisted(slave)) { +- mask = 0; +- ata_pr_blacklisted(ap, slave); +- } ++ mask &= (adev->id[ATA_ID_MWDMA_MODES] & 0x07); ++ if (ata_dma_blacklisted(adev)) { ++ mask = 0; ++ ata_pr_blacklisted(ap, adev); + } +- } +- else if (shift == ATA_SHIFT_PIO) { +- mask = ap->pio_mask; +- if (ata_dev_present(master)) { +- /* spec doesn't return explicit support for +- * PIO0-2, so we fake it +- */ +- u16 tmp_mode = master->id[ATA_ID_PIO_MODES] & 0x03; +- tmp_mode <<= 3; +- tmp_mode |= 0x7; +- mask &= tmp_mode; +- } +- if (ata_dev_present(slave)) { +- /* spec doesn't return explicit support for +- * PIO0-2, so we fake it +- */ +- u16 tmp_mode = slave->id[ATA_ID_PIO_MODES] & 0x03; +- tmp_mode <<= 3; +- tmp_mode |= 0x7; +- mask &= tmp_mode; +- } +- } +- else { ++ } else if (shift != ATA_SHIFT_PIO) { + mask = 0xffffffff; /* shut up compiler warning */ + BUG(); + } + ++ /* ++ * Allow the controller to see the proposed mode and ++ * device data to do any custom filtering rules. ++ */ ++ if(ap->ops->mode_filter) ++ mask = ap->ops->mode_filter(ap, adev, mask, shift); + return mask; + } + +@@ -2345,6 +2435,7 @@ + /** + * ata_choose_xfer_mode - attempt to find best transfer mode + * @ap: Port for which an xfer mode will be selected ++ * @adev: ATA device for which xfer mode is being selected + * @xfer_mode_out: (output) SET FEATURES - XFER MODE code + * @xfer_shift_out: (output) bit shift that selects this mode + * +@@ -2359,6 +2450,7 @@ + */ + + static int ata_choose_xfer_mode(const struct ata_port *ap, ++ struct ata_device *adev, + u8 *xfer_mode_out, + unsigned int *xfer_shift_out) + { +@@ -2367,7 +2459,7 @@ + + for (i = 0; i < ARRAY_SIZE(xfer_mode_classes); i++) { + shift = xfer_mode_classes[i].shift; +- mask = ata_get_mode_mask(ap, shift); ++ mask = ata_get_mode_mask(ap, adev, shift); + + x = fgb(mask); + if (x >= 0) { +@@ -3000,6 +3092,7 @@ + /** + * ata_mmio_data_xfer - Transfer data by MMIO + * @ap: port to read/write ++ * @adev: device to target + * @buf: data buffer + * @buflen: buffer length + * @write_data: read/write +@@ -3010,8 +3103,8 @@ + * Inherited from caller. + */ + +-static void ata_mmio_data_xfer(struct ata_port *ap, unsigned char *buf, +- unsigned int buflen, int write_data) ++void ata_mmio_data_xfer(struct ata_port *ap, struct ata_device *adev, ++ unsigned char *buf, unsigned int buflen, int write_data) + { + unsigned int i; + unsigned int words = buflen >> 1; +@@ -3045,6 +3138,7 @@ + /** + * ata_pio_data_xfer - Transfer data by PIO + * @ap: port to read/write ++ * @adev: device to target + * @buf: data buffer + * @buflen: buffer length + * @write_data: read/write +@@ -3055,11 +3149,11 @@ + * Inherited from caller. + */ + +-static void ata_pio_data_xfer(struct ata_port *ap, unsigned char *buf, +- unsigned int buflen, int write_data) ++void ata_pio_data_xfer(struct ata_port *ap, struct ata_device *adev, ++ unsigned char *buf, unsigned int buflen, int write_data) + { + unsigned int words = buflen >> 1; +- ++ + /* Transfer multiple of 2 bytes */ + if (write_data) + outsw(ap->ioaddr.data_addr, buf, words); +@@ -3082,36 +3176,55 @@ + } + + /** +- * ata_data_xfer - Transfer data from/to the data register. ++ * ata_pio_data_xfer_noirq - Transfer data from/to the data register. + * @ap: port to read/write ++ * @adev: device to target + * @buf: data buffer + * @buflen: buffer length + * @do_write: read/write + * +- * Transfer data from/to the device data register. ++ * Transfer data from/to the device data register. This variant ++ * ensures local IRQs do not interrupt the data stream and this ++ * is needed for some controllers. + * + * LOCKING: + * Inherited from caller. + */ + +-static void ata_data_xfer(struct ata_port *ap, unsigned char *buf, +- unsigned int buflen, int do_write) ++void ata_pio_data_xfer_noirq(struct ata_port *ap, struct ata_device *adev, ++ unsigned char *buf, unsigned int buflen, int do_write) + { + /* Make the crap hardware pay the costs not the good stuff */ +- if (unlikely(ap->flags & ATA_FLAG_IRQ_MASK)) { +- unsigned long flags; +- local_irq_save(flags); +- if (ap->flags & ATA_FLAG_MMIO) +- ata_mmio_data_xfer(ap, buf, buflen, do_write); +- else +- ata_pio_data_xfer(ap, buf, buflen, do_write); +- local_irq_restore(flags); +- } else { +- if (ap->flags & ATA_FLAG_MMIO) +- ata_mmio_data_xfer(ap, buf, buflen, do_write); +- else +- ata_pio_data_xfer(ap, buf, buflen, do_write); +- } ++ unsigned long flags; ++ local_irq_save(flags); ++ ata_pio_data_xfer(ap, adev, buf, buflen, do_write); ++ local_irq_restore(flags); ++} ++ ++/** ++ * ata_mmio_data_xfer_noirq - Transfer data from/to the data register. ++ * @ap: address to read/write ++ * @adev: device to target ++ * @buf: data buffer ++ * @buflen: buffer length ++ * @do_write: read/write ++ * ++ * Transfer data from/to the device data register. This variant ++ * ensures local IRQs do not interrupt the data stream and this ++ * is needed for some controllers. ++ * ++ * LOCKING: ++ * Inherited from caller. ++ */ ++ ++void ata_mmio_data_xfer_noirq(struct ata_port *ap, struct ata_device *adev, ++ unsigned char *buf, unsigned int buflen, int do_write) ++{ ++ /* Make the crap hardware pay the costs not the good stuff */ ++ unsigned long flags; ++ local_irq_save(flags); ++ ata_mmio_data_xfer(ap, adev, buf, buflen, do_write); ++ local_irq_restore(flags); + } + + /** +@@ -3157,7 +3270,7 @@ + + /* do the actual data transfer */ + do_write = (qc->tf.flags & ATA_TFLAG_WRITE); +- ata_data_xfer(ap, buf, ATA_SECT_SIZE, do_write); ++ ap->ops->data_xfer(ap, qc->dev, buf, ATA_SECT_SIZE, do_write); + + kunmap(page); + } +@@ -3204,7 +3317,7 @@ + ap->id, bytes); + + for (i = 0; i < words; i++) +- ata_data_xfer(ap, (unsigned char*)pad_buf, 2, do_write); ++ ap->ops->data_xfer(ap, qc->dev, (unsigned char*)pad_buf, 2, do_write); + + ap->hsm_task_state = HSM_ST_LAST; + return; +@@ -3239,7 +3352,7 @@ + DPRINTK("data %s\n", qc->tf.flags & ATA_TFLAG_WRITE ? "write" : "read"); + + /* do the actual data transfer */ +- ata_data_xfer(ap, buf, count, do_write); ++ ap->ops->data_xfer(ap, qc->dev, buf, count, do_write); + + kunmap(page); + +@@ -3948,14 +4061,15 @@ + + void ata_bmdma_irq_clear(struct ata_port *ap) + { +- if (ap->flags & ATA_FLAG_MMIO) { +- void __iomem *mmio = ((void __iomem *) ap->ioaddr.bmdma_addr) + ATA_DMA_STATUS; +- writeb(readb(mmio), mmio); +- } else { +- unsigned long addr = ap->ioaddr.bmdma_addr + ATA_DMA_STATUS; +- outb(inb(addr), addr); +- } +- ++ if (ap->ioaddr.bmdma_addr) { ++ if (ap->flags & ATA_FLAG_MMIO) { ++ void __iomem *mmio = ((void __iomem *) ap->ioaddr.bmdma_addr) + ATA_DMA_STATUS; ++ writeb(readb(mmio), mmio); ++ } else { ++ unsigned long addr = ap->ioaddr.bmdma_addr + ATA_DMA_STATUS; ++ outb(inb(addr), addr); ++ } ++ } + } + + +@@ -4194,12 +4308,12 @@ + */ + spin_lock_irqsave(&ap->host_set->lock, flags); + ap->flags &= ~ATA_FLAG_NOINTR; +- ata_data_xfer(ap, qc->cdb, ap->cdb_len, 1); ++ ap->ops->data_xfer(ap, qc->dev, qc->cdb, ap->cdb_len, 1); + if (qc->tf.protocol == ATA_PROT_ATAPI_DMA) + ap->ops->bmdma_start(qc); /* initiate bmdma */ + spin_unlock_irqrestore(&ap->host_set->lock, flags); + } else { +- ata_data_xfer(ap, qc->cdb, ap->cdb_len, 1); ++ ap->ops->data_xfer(ap, qc->dev, qc->cdb, ap->cdb_len, 1); + + /* PIO commands are handled by polling */ + ap->hsm_task_state = HSM_ST; +@@ -4505,7 +4619,7 @@ + * Number of ports registered. Zero on error (no ports registered). + */ + +-int ata_device_add(const struct ata_probe_ent *ent) ++int ata_device_add(struct ata_probe_ent *ent) + { + unsigned int count = 0, i; + struct device *dev = ent->dev; +@@ -4525,6 +4639,9 @@ + host_set->mmio_base = ent->mmio_base; + host_set->private_data = ent->private_data; + host_set->ops = ent->port_ops; ++ host_set->host_set_flags = ent->host_set_flags; ++ ++ ent->host_set = host_set; + + /* register each port bound to this device */ + for (i = 0; i < ent->n_ports; i++) { +@@ -4536,6 +4653,14 @@ + goto err_out; + + host_set->ports[i] = ap; ++ ++ /* Tidy up if we have no bus master base ++ Not sure this is the right spot to do it */ ++ if (ap->ioaddr.bmdma_addr == 0) { ++ ap->udma_mask = 0; ++ ap->mwdma_mask = 0; ++ } ++ + xfer_mode_mask =(ap->udma_mask << ATA_SHIFT_UDMA) | + (ap->mwdma_mask << ATA_SHIFT_MWDMA) | + (ap->pio_mask << ATA_SHIFT_PIO); +@@ -4552,6 +4677,7 @@ + ent->irq); + + ata_chk_status(ap); ++ /* This last call probably should be conditional on bmdma */ + host_set->ops->irq_clear(ap); + count++; + } +@@ -4605,7 +4731,8 @@ + ata_scsi_scan_host(ap); + } + +- dev_set_drvdata(dev, host_set); ++ if(dev) ++ dev_set_drvdata(dev, host_set); + + VPRINTK("EXIT, returning %u\n", ent->n_ports); + return ent->n_ports; /* success */ +@@ -4779,6 +4906,7 @@ + { + struct ata_probe_ent *probe_ent = + ata_probe_ent_alloc(pci_dev_to_dev(pdev), port[0]); ++ unsigned long bmdma; + int p = 0; + + if (!probe_ent) +@@ -4793,7 +4921,13 @@ + probe_ent->port[p].altstatus_addr = + probe_ent->port[p].ctl_addr = + pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS; +- probe_ent->port[p].bmdma_addr = pci_resource_start(pdev, 4); ++ bmdma = pci_resource_start(pdev, 4); ++ ++ if (bmdma) { ++ if (inb(bmdma + 2) & 0x80) ++ probe_ent->host_set_flags |= ATA_HOST_SIMPLEX; ++ probe_ent->port[p].bmdma_addr = bmdma; ++ } + ata_std_ports(&probe_ent->port[p]); + p++; + } +@@ -4803,7 +4937,14 @@ + probe_ent->port[p].altstatus_addr = + probe_ent->port[p].ctl_addr = + pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS; +- probe_ent->port[p].bmdma_addr = pci_resource_start(pdev, 4) + 8; ++ bmdma = pci_resource_start(pdev, 4); ++ ++ if (bmdma) { ++ bmdma += 8; ++ if(inb(bmdma + 2) & 0x80) ++ probe_ent->host_set_flags |= ATA_HOST_SIMPLEX; ++ probe_ent->port[p].bmdma_addr = bmdma; ++ } + ata_std_ports(&probe_ent->port[p]); + p++; + } +@@ -4815,6 +4956,7 @@ + static struct ata_probe_ent *ata_pci_init_legacy_port(struct pci_dev *pdev, struct ata_port_info *port, int port_num) + { + struct ata_probe_ent *probe_ent; ++ unsigned long bmdma; + + probe_ent = ata_probe_ent_alloc(pci_dev_to_dev(pdev), port); + if (!probe_ent) +@@ -4840,7 +4982,13 @@ + probe_ent->port[0].ctl_addr = 0x376; + break; + } +- probe_ent->port[0].bmdma_addr = pci_resource_start(pdev, 4) + 8 * port_num; ++ bmdma = pci_resource_start(pdev, 4); ++ if(bmdma != 0) { ++ bmdma += 8 * port_num; ++ probe_ent->port[0].bmdma_addr = bmdma; ++ if (inb(bmdma + 2) & 0x80) ++ probe_ent->host_set_flags |= ATA_HOST_SIMPLEX; ++ } + ata_std_ports(&probe_ent->port[0]); + return probe_ent; + } +@@ -5081,6 +5229,33 @@ + pci_set_master(pdev); + return 0; + } ++ ++/** ++ * ata_pci_clear_simplex - attempt to kick device out of simplex ++ * @pdev: PCI device ++ * ++ * Some PCI ATA devices report simplex mode but in fact can be told to ++ * enter non simplex mode. This implements the neccessary logic to ++ * perform the task on such devices. Calling it on other devices will ++ * have -undefined- behaviour. ++ */ ++ ++int ata_pci_clear_simplex(struct pci_dev *pdev) ++{ ++ unsigned long bmdma = pci_resource_start(pdev, 4); ++ u8 simplex; ++ ++ if (bmdma == 0) ++ return -ENOENT; ++ ++ simplex = inb(bmdma + 0x02); ++ outb(simplex & 0x60, bmdma + 0x02); ++ simplex = inb(bmdma + 0x02); ++ if (simplex & 0x80) ++ return -EOPNOTSUPP; ++ return 0; ++} ++ + #endif /* CONFIG_PCI */ + + +@@ -5158,6 +5333,10 @@ + EXPORT_SYMBOL_GPL(ata_bmdma_irq_clear); + EXPORT_SYMBOL_GPL(ata_bmdma_status); + EXPORT_SYMBOL_GPL(ata_bmdma_stop); ++EXPORT_SYMBOL_GPL(ata_mmio_data_xfer); ++EXPORT_SYMBOL_GPL(ata_pio_data_xfer); ++EXPORT_SYMBOL_GPL(ata_mmio_data_xfer_noirq); ++EXPORT_SYMBOL_GPL(ata_pio_data_xfer_noirq); + EXPORT_SYMBOL_GPL(ata_port_probe); + EXPORT_SYMBOL_GPL(sata_phy_reset); + EXPORT_SYMBOL_GPL(__sata_phy_reset); +@@ -5175,6 +5354,7 @@ + EXPORT_SYMBOL_GPL(ata_dev_config); + EXPORT_SYMBOL_GPL(ata_scsi_simulate); + ++EXPORT_SYMBOL_GPL(ata_dev_pair); + EXPORT_SYMBOL_GPL(ata_pio_need_iordy); + EXPORT_SYMBOL_GPL(ata_timing_compute); + EXPORT_SYMBOL_GPL(ata_timing_merge); +@@ -5187,6 +5367,8 @@ + EXPORT_SYMBOL_GPL(ata_pci_remove_one); + EXPORT_SYMBOL_GPL(ata_pci_device_suspend); + EXPORT_SYMBOL_GPL(ata_pci_device_resume); ++EXPORT_SYMBOL_GPL(ata_pci_clear_simplex); ++ + #endif /* CONFIG_PCI */ + + EXPORT_SYMBOL_GPL(ata_device_suspend); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/Makefile linux-2.6.16-rc4/drivers/scsi/Makefile +--- linux.vanilla-2.6.16-rc4/drivers/scsi/Makefile 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/Makefile 2006-02-17 18:20:44.000000000 +0000 +@@ -139,6 +139,42 @@ + obj-$(CONFIG_SCSI_SATA_MV) += libata.o sata_mv.o + obj-$(CONFIG_SCSI_PDC_ADMA) += libata.o pdc_adma.o + ++obj-$(CONFIG_SCSI_PATA_ALI) += libata.o pata_ali.o ++obj-$(CONFIG_SCSI_PATA_AMD) += libata.o pata_amd.o ++obj-$(CONFIG_SCSI_PATA_ARTOP) += libata.o pata_artop.o ++obj-$(CONFIG_SCSI_PATA_ATIIXP) += libata.o pata_atiixp.o ++obj-$(CONFIG_SCSI_PATA_CMD64X) += libata.o pata_cmd64x.o ++obj-$(CONFIG_SCSI_PATA_CS5520) += libata.o pata_cs5520.o ++obj-$(CONFIG_SCSI_PATA_CS5530) += libata.o pata_cs5530.o ++obj-$(CONFIG_SCSI_PATA_CS5535) += libata.o pata_cs5535.o ++obj-$(CONFIG_SCSI_PATA_CYPRESS) += libata.o pata_cypress.o ++obj-$(CONFIG_SCSI_PATA_EFAR) += libata.o pata_efar.o ++obj-$(CONFIG_SCSI_PATA_ISAPNP) += libata.o pata_isapnp.o ++obj-$(CONFIG_SCSI_PATA_HPT37X) += libata.o pata_hpt37x.o ++obj-$(CONFIG_SCSI_PATA_HPT3X2N) += libata.o pata_hpt3x2n.o ++obj-$(CONFIG_SCSI_PATA_HPT3X3) += libata.o pata_hpt34x.o ++obj-$(CONFIG_SCSI_PATA_IT8172) += libata.o pata_it8172.o ++obj-$(CONFIG_SCSI_PATA_IT821X) += libata.o pata_it821x.o ++obj-$(CONFIG_SCSI_PATA_MPIIX) += libata.o pata_mpiix.o ++obj-$(CONFIG_SCSI_PATA_NETCELL) += libata.o pata_netcell.o ++obj-$(CONFIG_SCSI_PATA_NS87410) += libata.o pata_ns87410.o ++obj-$(CONFIG_SCSI_PATA_OLDPIIX) += libata.o pata_oldpiix.o ++obj-$(CONFIG_SCSI_PATA_OPTI) += libata.o pata_opti.o ++obj-$(CONFIG_SCSI_PATA_PCMCIA) += libata.o pata_pcmcia.o ++obj-$(CONFIG_SCSI_PATA_PDC_OLD) += libata.o pata_pdc202xx_old.o ++obj-$(CONFIG_SCSI_PATA_QDI) += libata.o pata_qdi.o ++obj-$(CONFIG_SCSI_PATA_RADISYS) += libata.o pata_radisys.o ++obj-$(CONFIG_SCSI_PATA_RZ1000) += libata.o pata_rz1000.o ++obj-$(CONFIG_SCSI_PATA_SERVERWORKS) += libata.o pata_serverworks.o ++obj-$(CONFIG_SCSI_PATA_SC1200) += libata.o pata_sc1200.o ++obj-$(CONFIG_SCSI_PATA_SIL680) += libata.o pata_sil680.o ++obj-$(CONFIG_SCSI_PATA_SIS) += libata.o pata_sis.o ++obj-$(CONFIG_SCSI_PATA_TRIFLEX) += libata.o pata_triflex.o ++obj-$(CONFIG_SCSI_PATA_VIA) += libata.o pata_via.o ++obj-$(CONFIG_SCSI_PATA_WINBOND) += libata.o pata_sl82c105.o ++obj-$(CONFIG_SCSI_ATA_GENERIC) += libata.o ata_generic.o ++obj-$(CONFIG_SCSI_PATA_LEGACY) += libata.o pata_legacy.o ++ + obj-$(CONFIG_ARM) += arm/ + + obj-$(CONFIG_CHR_DEV_ST) += st.o +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_ali.c linux-2.6.16-rc4/drivers/scsi/pata_ali.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_ali.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_ali.c 2006-02-20 12:28:04.000000000 +0000 +@@ -0,0 +1,606 @@ ++/* ++ * ata-ali.c - ALI 15x3 PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * TODO ++ * MWDMA timings ++ * ++ * based in part upon ++ * linux/drivers/ide/pci/alim15x3.c Version 0.17 2003/01/02 ++ * ++ * Copyright (C) 1998-2000 Michel Aubry, Maintainer ++ * Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer ++ * Copyright (C) 1999-2000 CJ, cjtsai@ali.com.tw, Maintainer ++ * ++ * Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org) ++ * May be copied or modified under the terms of the GNU General Public License ++ * Copyright (C) 2002 Alan Cox <alan@redhat.com> ++ * ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@ali.com.tw> ++ * ++ * Documentation ++ * Chipset documentation available under NDA only ++ * ++ * TODO ++ * Cannot have ATAPI on both master & slave for rev < c2 but ++ * otherwise should do atapi DMA. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "ali" ++#define DRV_VERSION "0.2.2" ++ ++/** ++ * ali_c2_cable_detect - cable detection ++ * @ap: ATA port ++ * ++ * Perform cable detection for C2 and later revisions ++ */ ++ ++static int ali_c2_cable_detect(struct ata_port *ap) { ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u8 ata66; ++ ++ /* Certain laptops use short but suitable cables and don't ++ implement the detect logic */ ++ ++ /* Fujitsu P2000 */ ++ if (pdev->subsystem_vendor == 0x10CF && pdev->subsystem_device == 0x10AF) ++ return ATA_CBL_PATA80; ++ ++ /* Host view cable detect 0x4A bit 0 primary bit 1 secondary ++ Bit set for 40 pin */ ++ pci_read_config_byte(pdev, 0x4A, &ata66); ++ if (ata66 & (1 << ap->hard_port_no)) ++ return ATA_CBL_PATA40; ++ else ++ return ATA_CBL_PATA80; ++} ++ ++/** ++ * ali_early_phy_reset - reset for eary chip ++ * @ap: ATA port ++ * ++ * Handle the reset callback for the later chips with cable detect ++ */ ++ ++static void ali_c2_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = ali_c2_cable_detect(ap); ++ ata_bus_reset(ap); ++ ata_port_probe(ap); ++} ++ ++/** ++ * ali_early_cable_detect - cable detection ++ * @ap: ATA port ++ * ++ * Perform cable detection for older chipsets. This turns out to be ++ * rather easy to implement ++ */ ++ ++static int ali_early_cable_detect(struct ata_port *ap) { ++ return ATA_CBL_PATA40; ++} ++ ++/** ++ * ali_early_phy_reset - reset for eary chip ++ * @ap: ATA port ++ * ++ * Handle the reset callback for the early (pre cable detect) chips. ++ */ ++ ++static void ali_early_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = ali_early_cable_detect(ap); ++ ata_bus_reset(ap); ++ ata_port_probe(ap); ++} ++ ++/** ++ * ali_20_filter - filter for earlier ALI DMA ++ * @ap: ALi ATA port ++ * @adev: attached device ++ * ++ * Ensure that we do not do DMA on CD devices. We may be able to ++ * fix that later on. Also ensure we do not do UDMA on WDC drives ++ */ ++ ++static unsigned int ali_20_filter(const struct ata_port *ap, struct ata_device *adev, unsigned int mask, int shift) ++{ ++ char model_num[40]; ++ /* No DMA on CD for now */ ++ if (adev->class != ATA_DEV_ATA && shift != ATA_SHIFT_PIO) ++ return 0; ++ ++ if (shift != ATA_SHIFT_UDMA) ++ return mask; ++ ++ ata_dev_id_string(adev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num)); ++ if (strstr(model_num, "WDC")) ++ return 0; ++ return mask; ++} ++ ++/** ++ * ali_fifo_control - FIFO manager ++ * @ap: ALi channel to control ++ * @adev: device for FIFO control ++ * @on: 0 for off 1 for on ++ * ++ * Enable or disable the FIFO on a given device. Because of the way the ++ * ALi FIFO works it provides a boost on ATA disk but can be confused by ++ * ATAPI and we must therefore manage it. ++ */ ++ ++static void ali_fifo_control(struct ata_port *ap, struct ata_device *adev, int on) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int pio_fifo = 0x54 + ap->hard_port_no; ++ u8 fifo; ++ int shift = 4 * adev->devno; ++ ++ /* Bits 3:2 (7:6 for slave) control the PIO. 00 is off 01 ++ is on. The FIFO must not be used for ATAPI. We preserve ++ BIOS set thresholds */ ++ pci_read_config_byte(pdev, pio_fifo, &fifo); ++ fifo &= ~(0x0C << shift); ++ if (on) ++ fifo |= (0x04 << shift); ++ pci_write_config_byte(pdev, pio_fifo, fifo); ++} ++ ++/** ++ * ali_program_modes - load mode registers ++ * @ap: ALi channel to load ++ * @adev: Device the timing is for ++ * @cmd: Command timing ++ * @data: Data timing ++ * @udma: UDMA timing or zero for off ++ * ++ * Loads the timing registers for cmd/data and disable UDMA if ++ * udma is zero. If udma is set then load and enable the UDMA ++ * timing but do not touch the command/data timing. ++ */ ++ ++static void ali_program_modes(struct ata_port *ap, struct ata_device *adev, u8 cmd, u8 data, u8 ultra) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int cbt = 0x59 + 4 * ap->hard_port_no; /* Command timing */ ++ int drwt = 0x5A + 4 * ap->hard_port_no + adev->devno; /* R/W timing */ ++ int udmat = 0x56 + ap->hard_port_no; /* UDMA timing */ ++ int shift = 4 * adev->devno; ++ u8 udma; ++ ++ if (ultra == 0) { ++ /* FIXME: We ought to set up pcas not rely on the BIOS */ ++ /* Load the command block timing register */ ++ pci_write_config_byte(pdev, cbt, cmd); ++ ++ /* Load the data transfer timing register */ ++ pci_write_config_byte(pdev, drwt, data); ++ } ++ ++ /* Set up the UDMA enable */ ++ pci_read_config_byte(pdev, udmat, &udma); ++ udma &= ~(0x0F << shift); ++ udma |= ultra << shift; ++ pci_write_config_byte(pdev, udmat, udma); ++} ++ ++/** ++ * ali_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Program the ALi registers for PIO mode. FIXME: add timings for ++ * PIO5. ++ */ ++ ++static void ali_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct ata_device *pair = ata_dev_pair(ap, adev); ++ int pio = adev->pio_mode - XFER_PIO_0; ++ int cmdpio = pio; ++ ++ /* These values are from the BIOS programming guide */ ++ static u8 cmd_block_timing[5] = { 0x0A, 0x03, 0x01, 0x33, 0x31 }; ++ static u8 data_block_timing[5] = { 0x88, 0x58, 0x44, 0x33, 0x31 }; ++ ++ if (adev->class != ATA_DEV_ATA) ++ ali_fifo_control(ap, adev, 0); ++ ++ /* Command timing is shared, so pick the best we can use */ ++ if (pair) ++ cmdpio = min(pair->pio_mode, adev->pio_mode) - XFER_PIO_0; ++ ++ ali_program_modes(ap, adev, cmd_block_timing[cmdpio], ++ data_block_timing[pio], 0); ++ ++ if (adev->class == ATA_DEV_ATA) ++ ali_fifo_control(ap, adev, 1); ++ ++} ++ ++/** ++ * ali_set_dmamode - set initial DMA mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * FIXME: MWDMA timings ++ */ ++ ++static void ali_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static u8 udma_timing[7] = { 0xC, 0xB, 0xA, 0x9, 0x8, 0xF, 0xD }; ++ ++ if (adev->dma_mode >= XFER_UDMA_0) { ++ ali_program_modes(ap, adev, 0, 0, udma_timing[adev->dma_mode - XFER_UDMA_0]); ++ } else { ++ /* MWDMA is not yet supported */ ++ /* ali_program_modes(ap, adev, cmd, data, 0); */ ++ } ++} ++ ++/** ++ * ali_lock_sectors - Keep older devices to 255 sector mode ++ * @ap: ATA port ++ * @adev: Device ++ * ++ * Called during the bus probe for each device that is found. We use ++ * this call to lock the sector count of the device to 255 or less on ++ * older ALi controllers. If we didn't do this then large I/O's would ++ * require LBA48 commands which the older ALi requires are issued by ++ * slower PIO methods ++ */ ++ ++static void ali_lock_sectors(struct ata_port *ap, struct ata_device *adev) ++{ ++ if(ap->host->max_sectors > 255) { ++ ap->host->max_sectors = 255; ++ ap->host->hostt->max_sectors = 255; ++ } ++ adev->flags |= ATA_DFLAG_LOCK_SECTORS; ++} ++ ++static struct scsi_host_template ali_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ /* Keep LBA28 counts so large I/O's don't turn LBA48 and PIO ++ with older controllers. Not locked so will grow on C5 or later */ ++ .max_sectors = 255, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++/* ++ * Port operations for PIO only ALi ++ */ ++ ++static struct ata_port_operations ali_early_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = ali_set_piomode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = ali_early_phy_reset, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/* ++ * Port operations for DMA capable ALi without cable ++ * detect ++ */ ++static struct ata_port_operations ali_20_port_ops = { ++ .port_disable = ata_port_disable, ++ ++ .set_piomode = ali_set_piomode, ++ .set_dmamode = ali_set_dmamode, ++ .mode_filter = ali_20_filter, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ .dev_config = ali_lock_sectors, ++ ++ .phy_reset = ali_early_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/* ++ * Port operations for DMA capable ALi with cable detect ++ */ ++static struct ata_port_operations ali_c2_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = ali_set_piomode, ++ .set_dmamode = ali_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ .dev_config = ali_lock_sectors, ++ ++ .phy_reset = ali_c2_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/* ++ * Port operations for DMA capable ALi with cable detect and LBA48 ++ */ ++static struct ata_port_operations ali_c5_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = ali_set_piomode, ++ .set_dmamode = ali_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = ali_c2_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * ali_init_one - discovery callback ++ * @pdev: PCI device ID ++ * @id: PCI table info ++ * ++ * An ALi IDE interface has been discovered. Figure out what revision ++ * and perform configuration work before handing it to the ATA layer ++ */ ++ ++static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info_early = { ++ .sht = &ali_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .port_ops = &ali_early_port_ops ++ }; ++ /* Revision 0x20 added DMA */ ++ static struct ata_port_info info_20 = { ++ .sht = &ali_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .port_ops = &ali_20_port_ops ++ }; ++ /* Revision 0x20 with support logic added UDMA */ ++ static struct ata_port_info info_20_udma = { ++ .sht = &ali_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x07, /* UDMA33 */ ++ .port_ops = &ali_20_port_ops ++ }; ++ /* Revision 0xC2 adds UDMA66 */ ++ static struct ata_port_info info_c2 = { ++ .sht = &ali_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x1f, ++ .port_ops = &ali_c2_port_ops ++ }; ++ /* Revision 0xC3 is UDMA100 */ ++ static struct ata_port_info info_c3 = { ++ .sht = &ali_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, ++ .port_ops = &ali_c2_port_ops ++ }; ++ /* Revision 0xC4 is UDMA133 */ ++ static struct ata_port_info info_c4 = { ++ .sht = &ali_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x7f, ++ .port_ops = &ali_c2_port_ops ++ }; ++ /* Revision 0xC5 is UDMA133 with LBA48 DMA */ ++ static struct ata_port_info info_c5 = { ++ .sht = &ali_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x7f, ++ .port_ops = &ali_c5_port_ops ++ }; ++ ++ static struct ata_port_info *port_info[2]; ++ u8 rev, tmp; ++ struct pci_dev *north, *isa_bridge; ++ ++ pci_read_config_byte(pdev, PCI_REVISION_ID, &rev); ++ ++ /* ++ * The chipset revision selects the driver operations and ++ * mode data. ++ */ ++ ++ if (rev < 0x20) { ++ port_info[0] = port_info[1] = &info_early; ++ } else if (rev < 0xC2) { ++ /* 1543-E/F, 1543C-C, 1543C-D, 1543C-E */ ++ pci_read_config_byte(pdev, 0x4B, &tmp); ++ /* Clear CD-ROM DMA write bit */ ++ tmp &= 0x7F; ++ pci_write_config_byte(pdev, 0x4B, tmp); ++ port_info[0] = port_info[1] = &info_20; ++ } else if (rev == 0xC2) { ++ port_info[0] = port_info[1] = &info_c2; ++ } else if (rev == 0xC3) { ++ port_info[0] = port_info[1] = &info_c3; ++ } else if (rev == 0xC4) { ++ port_info[0] = port_info[1] = &info_c4; ++ } else ++ port_info[0] = port_info[1] = &info_c5; ++ ++ if (rev >= 0xC2) { ++ /* Enable cable detection logic */ ++ pci_read_config_byte(pdev, 0x4B, &tmp); ++ pci_write_config_byte(pdev, 0x4B, tmp | 0x08); ++ } ++ ++ north = pci_get_slot(pdev->bus, PCI_DEVFN(0,0)); ++ isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); ++ ++ if (north && north->vendor == PCI_VENDOR_ID_AL) { ++ /* Configure the ALi bridge logic. For non ALi rely on BIOS. ++ Set the south bridge enable bit */ ++ pci_read_config_byte(isa_bridge, 0x79, &tmp); ++ if (rev == 0xC2) ++ pci_write_config_byte(isa_bridge, 0x79, tmp | 0x04); ++ else if (rev > 0xC2) ++ pci_write_config_byte(isa_bridge, 0x79, tmp | 0x02); ++ } ++ ++ if (rev >= 0x20) { ++ if (rev < 0xC2) { ++ /* Are we paired with a UDMA capable chip */ ++ pci_read_config_byte(isa_bridge, 0x5E, &tmp); ++ if ((tmp & 0x1E) == 0x12) ++ port_info[0] = port_info[1] = &info_20_udma; ++ } ++ /* ++ * CD_ROM DMA on (0x53 bit 0). Enable this even if we want ++ * to use PIO. 0x53 bit 1 (rev 20 only) - enable FIFO control ++ * via 0x54/55. ++ */ ++ pci_read_config_byte(pdev, 0x53, &tmp); ++ if (rev == 0x20) ++ tmp &= ~0x02; ++ tmp |= 0x01; ++ pci_write_config_byte(pdev, 0x53, tmp); ++ } ++ ++ pci_dev_put(isa_bridge); ++ pci_dev_put(north); ++ ++ ata_pci_clear_simplex(pdev); ++ return ata_pci_init_one(pdev, port_info, 2); ++} ++ ++static struct pci_device_id ali[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5228), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5229), }, ++ { 0, }, ++}; ++ ++static struct pci_driver ali_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = ali, ++ .probe = ali_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init ali_init(void) ++{ ++ return pci_register_driver(&ali_pci_driver); ++} ++ ++ ++static void __exit ali_exit(void) ++{ ++ pci_unregister_driver(&ali_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for ALi PATA"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, ali); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(ali_init); ++module_exit(ali_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_amd.c linux-2.6.16-rc4/drivers/scsi/pata_amd.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_amd.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_amd.c 2006-02-16 15:37:39.000000000 +0000 +@@ -0,0 +1,650 @@ ++/* ++ * pata_amd.c - AMD PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * Based on pata-sil680. Errata information is taken from data sheets ++ * and the amd74xx.c driver by Vojtech Pavlik. Nvidia SATA devices are ++ * claimed by sata-nv.c. ++ * ++ * TODO: ++ * Nvidia support here or seperated ? ++ * Debug cable detect ++ * Variable system clock when/if it makes sense ++ * Power management on ports ++ * ++ * ++ * Documentation publically available. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_amd" ++#define DRV_VERSION "0.1.3" ++ ++/** ++ * timing_setup - shared timing computation and load ++ * @ap: ATA port being set up ++ * @adev: drive being configured ++ * @offset: port offset ++ * @speed: target speed ++ * @clock: clock multiplier (number of times 33MHz for this part) ++ * ++ * Perform the actual timing set up for Nvidia or AMD PATA devices. ++ * The actual devices vary so they all call into this helper function ++ * providing the clock multipler and offset (because AMD and Nvidia put ++ * the ports at different locations). ++ */ ++ ++static void timing_setup(struct ata_port *ap, struct ata_device *adev, int offset, int speed, int clock) ++{ ++ static const unsigned char amd_cyc2udma[] = { ++ 6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 7 ++ }; ++ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ struct ata_device *peer = ata_dev_pair(ap, adev); ++ int dn = ap->hard_port_no * 2 + adev->devno; ++ struct ata_timing at, apeer; ++ int T, UT; ++ const int amd_clock = 33333; /* KHz. */ ++ u8 t; ++ ++ T = 1000000000 / amd_clock; ++ UT = T / min_t(int, max_t(int, clock, 1), 2); ++ ++ if (ata_timing_compute(adev, speed, &at, T, UT) < 0) { ++ dev_printk(KERN_ERR, &pdev->dev, "unknown mode %d.\n", speed); ++ return; ++ } ++ ++ if (peer) { ++ /* This may be over conservative */ ++ if (peer->dma_mode) { ++ ata_timing_compute(peer, peer->dma_mode, &apeer, T, UT); ++ ata_timing_merge(&apeer, &at, &at, ATA_TIMING_8BIT); ++ } ++ ata_timing_compute(peer, peer->pio_mode, &apeer, T, UT); ++ ata_timing_merge(&apeer, &at, &at, ATA_TIMING_8BIT); ++ } ++ ++ if (speed == XFER_UDMA_5 && amd_clock <= 33333) at.udma = 1; ++ if (speed == XFER_UDMA_6 && amd_clock <= 33333) at.udma = 15; ++ ++ /* ++ * Now do the setup work ++ */ ++ ++ /* Configure the address set up timing */ ++ pci_read_config_byte(pdev, offset + 0x0C, &t); ++ t = (t & ~(3 << ((3 - dn) << 1))) | ((FIT(at.setup, 1, 4) - 1) << ((3 - dn) << 1)); ++ pci_write_config_byte(pdev, offset + 0x0C , t); ++ ++ /* Configure the 8bit I/O timing */ ++ pci_write_config_byte(pdev, offset + 0x0E + (1 - (dn >> 1)), ++ ((FIT(at.act8b, 1, 16) - 1) << 4) | (FIT(at.rec8b, 1, 16) - 1)); ++ ++ /* Drive timing */ ++ pci_write_config_byte(pdev, offset + 0x08 + (3 - dn), ++ ((FIT(at.active, 1, 16) - 1) << 4) | (FIT(at.recover, 1, 16) - 1)); ++ ++ switch (clock) { ++ case 1: ++ t = at.udma ? (0xc0 | (FIT(at.udma, 2, 5) - 2)) : 0x03; ++ break; ++ ++ case 2: ++ t = at.udma ? (0xc0 | amd_cyc2udma[FIT(at.udma, 2, 10)]) : 0x03; ++ break; ++ ++ case 3: ++ t = at.udma ? (0xc0 | amd_cyc2udma[FIT(at.udma, 1, 10)]) : 0x03; ++ break; ++ ++ case 4: ++ t = at.udma ? (0xc0 | amd_cyc2udma[FIT(at.udma, 1, 15)]) : 0x03; ++ break; ++ ++ default: ++ return; ++ } ++ ++ /* UDMA timing */ ++ pci_write_config_byte(pdev, offset + 0x10 + (3 - dn), t); ++} ++ ++/** ++ * amd_cable_detect - cable detection ++ * @ap: ATA port ++ * ++ * Perform cable detection. The BIOS stores this in PCI config ++ * space for us. ++ */ ++ ++static int amd_cable_detect(struct ata_port *ap) { ++ static u32 bitmask[2] = {0x00030000, 0x00C00000}; ++ u32 ata66; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ ++ pci_read_config_dword(pdev, 0x42, &ata66); ++ if (ata66 & bitmask[ap->hard_port_no]) ++ return ATA_CBL_PATA80; ++ else ++ return ATA_CBL_PATA40; ++ ++} ++ ++static void amd_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static struct pci_bits amd_enable_bits[] = { ++ { 0x40, 1, 0x02, 0x02 }, ++ { 0x40, 1, 0x01, 0x01 } ++ }; ++ ++ if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = amd_cable_detect(ap); ++ ata_bus_reset(ap); ++ ata_port_probe(ap); ++} ++ ++/** ++ * amd33_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Program the AMD registers for PIO mode. ++ */ ++ ++static void amd33_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ timing_setup(ap, adev, 0x40, adev->pio_mode, 1); ++} ++ ++static void amd66_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ timing_setup(ap, adev, 0x40, adev->pio_mode, 2); ++} ++ ++static void amd100_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ timing_setup(ap, adev, 0x40, adev->pio_mode, 3); ++} ++ ++static void amd133_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ timing_setup(ap, adev, 0x40, adev->pio_mode, 4); ++} ++ ++/** ++ * amd33_set_dmamode - set initial DMA mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Program the MWDMA/UDMA modes for the AMD and Nvidia ++ * chipset. ++ */ ++ ++static void amd33_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ timing_setup(ap, adev, 0x40, adev->dma_mode, 1); ++} ++ ++static void amd66_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ timing_setup(ap, adev, 0x40, adev->dma_mode, 2); ++} ++ ++static void amd100_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ timing_setup(ap, adev, 0x40, adev->dma_mode, 3); ++} ++ ++static void amd133_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ timing_setup(ap, adev, 0x40, adev->dma_mode, 4); ++} ++ ++ ++/** ++ * nv_cable_detect - cable detection ++ * @ap: ATA port ++ * ++ * Perform cable detection. The BIOS stores this in PCI config ++ * space for us. ++ */ ++ ++static int nv_cable_detect(struct ata_port *ap) { ++ static u32 bitmask[2] = {0x00030000, 0x00C00000}; ++ u32 ata66; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ ++ pci_read_config_dword(pdev, 0x52, &ata66); ++ if (ata66 & bitmask[ap->hard_port_no]) ++ return ATA_CBL_PATA80; ++ else ++ return ATA_CBL_PATA40; ++ ++} ++ ++static void nv_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = nv_cable_detect(ap); ++ ata_bus_reset(ap); ++ ata_port_probe(ap); ++} ++ ++/** ++ * nv100_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Program the AMD registers for PIO mode. ++ */ ++ ++static void nv100_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ timing_setup(ap, adev, 0x50, adev->pio_mode, 3); ++} ++ ++static void nv133_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ timing_setup(ap, adev, 0x50, adev->pio_mode, 4); ++} ++ ++/** ++ * nv100_set_dmamode - set initial DMA mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Program the MWDMA/UDMA modes for the AMD and Nvidia ++ * chipset. ++ */ ++ ++static void nv100_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ timing_setup(ap, adev, 0x50, adev->dma_mode, 3); ++} ++ ++static void nv133_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ timing_setup(ap, adev, 0x50, adev->dma_mode, 4); ++} ++ ++static struct scsi_host_template amd_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations amd33_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = amd33_set_piomode, ++ .set_dmamode = amd33_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = amd_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static struct ata_port_operations amd66_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = amd66_set_piomode, ++ .set_dmamode = amd66_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = amd_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static struct ata_port_operations amd100_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = amd100_set_piomode, ++ .set_dmamode = amd100_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = amd_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static struct ata_port_operations amd133_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = amd133_set_piomode, ++ .set_dmamode = amd133_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = amd_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static struct ata_port_operations nv100_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = nv100_set_piomode, ++ .set_dmamode = nv100_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = nv_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static struct ata_port_operations nv133_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = nv133_set_piomode, ++ .set_dmamode = nv133_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = nv_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info[10] = { ++ { /* 0: AMD 7401 */ ++ .sht = &amd_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, /* No SWDMA */ ++ .udma_mask = 0x07, /* UDMA 33 */ ++ .port_ops = &amd33_port_ops ++ }, ++ { /* 1: Early AMD7409 - no swdma */ ++ .sht = &amd_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x1f, /* UDMA 66 */ ++ .port_ops = &amd66_port_ops ++ }, ++ { /* 2: AMD 7409, no swdma errata */ ++ .sht = &amd_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x1f, /* UDMA 66 */ ++ .port_ops = &amd66_port_ops ++ }, ++ { /* 3: AMD 7411 */ ++ .sht = &amd_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, /* UDMA 100 */ ++ .port_ops = &amd100_port_ops ++ }, ++ { /* 4: AMD 7441 */ ++ .sht = &amd_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, /* UDMA 100 */ ++ .port_ops = &amd100_port_ops ++ }, ++ { /* 5: AMD 8111*/ ++ .sht = &amd_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x7f, /* UDMA 133, no swdma */ ++ .port_ops = &amd133_port_ops ++ }, ++ { /* 6: AMD 8111 UDMA 100 (Serenade) */ ++ .sht = &amd_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, /* UDMA 100, no swdma */ ++ .port_ops = &amd133_port_ops ++ }, ++ { /* 7: Nvidia Nforce */ ++ .sht = &amd_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, /* UDMA 100 */ ++ .port_ops = &nv100_port_ops ++ }, ++ { /* 8: Nvidia Nforce2 and later */ ++ .sht = &amd_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x7f, /* UDMA 133, no swdma */ ++ .port_ops = &nv133_port_ops ++ }, ++ { /* 9: AMD CS5536 (Geode companion) */ ++ .sht = &amd_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, /* UDMA 100 */ ++ .port_ops = &amd100_port_ops ++ } ++ }; ++ static struct ata_port_info *port_info[2]; ++ static int printed_version; ++ int type = id->driver_data; ++ u8 rev; ++ u8 fifo; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); ++ ++ pci_read_config_byte(pdev, PCI_REVISION_ID, &rev); ++ pci_read_config_byte(pdev, 0x41, &fifo); ++ ++ /* Check for AMD7409 without swdma errata and if found adjust type */ ++ if (type == 1 && rev > 0x7) ++ type = 2; ++ ++ /* Check for AMD7411 */ ++ if (type == 3) ++ /* FIFO is broken */ ++ pci_write_config_byte(pdev, 0x41, fifo & 0x0F); ++ else ++ pci_write_config_byte(pdev, 0x41, fifo | 0xF0); ++ ++ /* Serenade ? */ ++ if (type == 5 && pdev->subsystem_vendor == PCI_VENDOR_ID_AMD && ++ pdev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE) ++ type = 6; /* UDMA 100 only */ ++ ++ if (type < 3) ++ ata_pci_clear_simplex(pdev); ++ ++ /* And fire it up */ ++ ++ port_info[0] = port_info[1] = &info[type]; ++ return ata_pci_init_one(pdev, port_info, 2); ++} ++ ++static const struct pci_device_id amd[] = { ++ { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_COBRA_7401, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, ++ { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VIPER_7409, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 }, ++ { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VIPER_7411, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3 }, ++ { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_OPUS_7441, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 }, ++ { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5 }, ++ { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7 }, ++ { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 }, ++ { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 }, ++ { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 }, ++ { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 }, ++ { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 }, ++ { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 }, ++ { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 }, ++ { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 }, ++ { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9 }, ++ { 0, }, ++}; ++ ++static struct pci_driver amd_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = amd, ++ .probe = amd_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init amd_init(void) ++{ ++ return pci_register_driver(&amd_pci_driver); ++} ++ ++static void __exit amd_exit(void) ++{ ++ pci_unregister_driver(&amd_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for AMD PATA IDE"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, amd); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(amd_init); ++module_exit(amd_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_artop.c linux-2.6.16-rc4/drivers/scsi/pata_artop.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_artop.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_artop.c 2006-02-07 13:41:48.000000000 +0000 +@@ -0,0 +1,497 @@ ++/* ++ * pata_artop.c - ARTOP ATA controller driver ++ * ++ * (C) 2006 Red Hat <alan@redhat.com> ++ * ++ * Based in part on drivers/ide/pci/aec62xx.c ++ * Copyright (C) 1999-2002 Andre Hedrick <andre@linux-ide.org> ++ * 865/865R fixes for Macintosh card version from a patch to the old ++ * driver by Thibaut VARENE <varenet@parisc-linux.org> ++ * ++ * TODO ++ * 850 serialization once the core supports it ++ * Investigate no_dsc on 850R ++ * Clock detect ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <linux/device.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++#include <linux/ata.h> ++ ++#define DRV_NAME "pata_artop" ++#define DRV_VERSION "0.2" ++ ++/* ++ * The ARTOP has 33 Mhz and "over clocked" timing tables. Until we ++ * get PCI bus speed functionality we leave this as 0. Its a variable ++ * for when we get the functionality and also for folks wanting to ++ * test stuff. ++ */ ++ ++static int clock = 0; ++ ++/** ++ * artop6210_phy_reset - Probe specified port on PATA host controller ++ * @ap: Port to probe ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void artop6210_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ const struct pci_bits artop_enable_bits[] = { ++ { 0x4AU, 1U, 0x02UL, 0x02UL }, /* port 0 */ ++ { 0x4AU, 1U, 0x04UL, 0x04UL }, /* port 1 */ ++ }; ++ ++ if (!pci_test_config_bits(pdev, &artop_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * artop6260_cable_detect - check for 40/80 pin ++ * @ap: Port ++ * ++ * The ARTOP hardware reports the cable detect bits in register 0x49. ++ * Nothing complicated needed here. ++ */ ++ ++static int artop6260_cable_detect(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u8 tmp; ++ ++ pci_read_config_byte(pdev, 0x49, &tmp); ++ if (tmp & (1 >> ap->hard_port_no)) ++ return ATA_CBL_PATA40; ++ return ATA_CBL_PATA80; ++} ++ ++/** ++ * artop6260_phy_reset - Probe specified port on PATA host controller ++ * @ap: Port to probe ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void artop6260_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ const struct pci_bits artop_enable_bits[] = { ++ { 0x4AU, 1U, 0x02UL, 0x02UL }, /* port 0 */ ++ { 0x4AU, 1U, 0x04UL, 0x04UL }, /* port 1 */ ++ }; ++ ++ /* Odd numbered device ids are the units with enable bits (the -R cards) */ ++ if (pdev->device % 1 && !pci_test_config_bits(pdev, &artop_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = artop6260_cable_detect(ap); ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * artop6210_load_piomode - Load a set of PATA PIO timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device ++ * @pio: PIO mode ++ * ++ * Set PIO mode for device, in host controller PCI config space. This ++ * is used both to set PIO timings in PIO mode and also to set the ++ * matching PIO clocking for UDMA, as well as the MWDMA timings. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void artop6210_load_piomode(struct ata_port *ap, struct ata_device *adev, unsigned int pio) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int dn = adev->devno + 2 * ap->hard_port_no; ++ const u16 timing[2][5] = { ++ { 0x0000, 0x000A, 0x0008, 0x0303, 0x0301 }, ++ { 0x0700, 0x070A, 0x0708, 0x0403, 0x0401 } ++ ++ }; ++ /* Load the PIO timing active/recovery bits */ ++ pci_write_config_word(pdev, 0x40 + 2 * dn, timing[clock][pio]); ++} ++ ++/** ++ * artop6210_set_piomode - Initialize host controller PATA PIO timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device we are configuring ++ * ++ * Set PIO mode for device, in host controller PCI config space. For ++ * ARTOP we must also clear the UDMA bits if we are not doing UDMA. In ++ * the event UDMA is used the later call to set_dmamode will set the ++ * bits as required. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void artop6210_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int dn = adev->devno + 2 * ap->hard_port_no; ++ u8 ultra; ++ ++ artop6210_load_piomode(ap, adev, adev->pio_mode - XFER_PIO_0); ++ ++ /* Clear the UDMA mode bits (set_dmamode will redo this if needed) */ ++ pci_read_config_byte(pdev, 0x54, &ultra); ++ ultra &= ~(3 << (2 * dn)); ++ pci_write_config_byte(pdev, 0x54, ultra); ++} ++ ++/** ++ * artop6260_load_piomode - Initialize host controller PATA PIO timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device we are configuring ++ * @pio: PIO mode ++ * ++ * Set PIO mode for device, in host controller PCI config space. The ++ * ARTOP6260 and relatives store the timing data differently. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void artop6260_load_piomode (struct ata_port *ap, struct ata_device *adev, unsigned int pio) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int dn = adev->devno + 2 * ap->hard_port_no; ++ const u8 timing[2][5] = { ++ { 0x00, 0x0A, 0x08, 0x33, 0x31 }, ++ { 0x70, 0x7A, 0x78, 0x43, 0x41 } ++ ++ }; ++ /* Load the PIO timing active/recovery bits */ ++ pci_write_config_byte(pdev, 0x40 + dn, timing[clock][pio]); ++} ++ ++/** ++ * artop6260_set_piomode - Initialize host controller PATA PIO timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device we are configuring ++ * ++ * Set PIO mode for device, in host controller PCI config space. For ++ * ARTOP we must also clear the UDMA bits if we are not doing UDMA. In ++ * the event UDMA is used the later call to set_dmamode will set the ++ * bits as required. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void artop6260_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u8 ultra; ++ ++ artop6260_load_piomode(ap, adev, adev->pio_mode - XFER_PIO_0); ++ ++ /* Clear the UDMA mode bits (set_dmamode will redo this if needed) */ ++ pci_read_config_byte(pdev, 0x44 + ap->hard_port_no, &ultra); ++ ultra &= ~(7 << (4 * adev->devno)); /* One nibble per drive */ ++ pci_write_config_byte(pdev, 0x44 + ap->hard_port_no, ultra); ++} ++ ++/** ++ * artop6210_set_dmamode - Initialize host controller PATA PIO timings ++ * @ap: Port whose timings we are configuring ++ * @adev: um ++ * ++ * Set DMA mode for device, in host controller PCI config space. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void artop6210_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++{ ++ unsigned int pio; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int dn = adev->devno + 2 * ap->hard_port_no; ++ u8 ultra; ++ ++ if (adev->dma_mode == XFER_MW_DMA_0) ++ pio = 1; ++ else ++ pio = 4; ++ ++ /* Load the PIO timing active/recovery bits */ ++ artop6210_load_piomode(ap, adev, pio); ++ ++ pci_read_config_byte(pdev, 0x54, &ultra); ++ ultra &= ~(3 << (2 * dn)); ++ ++ /* Add ultra DMA bits if in UDMA mode */ ++ if (adev->dma_mode >= XFER_UDMA_0) { ++ u8 mode = (adev->dma_mode - XFER_UDMA_0) + 1 - clock; ++ if (mode == 0) ++ mode = 1; ++ ultra |= (mode << (2 * dn)); ++ } ++ pci_write_config_byte(pdev, 0x54, ultra); ++} ++ ++/** ++ * artop6260_set_dmamode - Initialize host controller PATA PIO timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device we are configuring ++ * ++ * Set DMA mode for device, in host controller PCI config space. The ++ * ARTOP6260 and relatives store the timing data differently. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void artop6260_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++{ ++ unsigned int pio = adev->pio_mode - XFER_PIO_0; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u8 ultra; ++ ++ if (adev->dma_mode == XFER_MW_DMA_0) ++ pio = 1; ++ else ++ pio = 4; ++ ++ /* Load the PIO timing active/recovery bits */ ++ artop6260_load_piomode(ap, adev, pio); ++ ++ /* Add ultra DMA bits if in UDMA mode */ ++ pci_read_config_byte(pdev, 0x44 + ap->hard_port_no, &ultra); ++ ultra &= ~(7 << (4 * adev->devno)); /* One nibble per drive */ ++ if (adev->dma_mode >= XFER_UDMA_0) { ++ u8 mode = adev->dma_mode - XFER_UDMA_0 + 1 - clock; ++ if (mode == 0) ++ mode = 1; ++ ultra |= (mode << (4 * adev->devno)); ++ } ++ pci_write_config_byte(pdev, 0x44 + ap->hard_port_no, ultra); ++} ++ ++static struct scsi_host_template artop_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static const struct ata_port_operations artop6210_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = artop6210_set_piomode, ++ .set_dmamode = artop6210_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = artop6210_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++static const struct ata_port_operations artop6260_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = artop6260_set_piomode, ++ .set_dmamode = artop6260_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = artop6260_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++ ++/** ++ * artop_init_one - Register ARTOP ATA PCI device with kernel services ++ * @pdev: PCI device to register ++ * @ent: Entry in artop_pci_tbl matching with @pdev ++ * ++ * Called from kernel PCI layer. ++ * ++ * LOCKING: ++ * Inherited from PCI layer (may sleep). ++ * ++ * RETURNS: ++ * Zero on success, or -ERRNO value. ++ */ ++ ++static int artop_init_one (struct pci_dev *pdev, const struct pci_device_id *id) ++{ ++ static int printed_version; ++ static struct ata_port_info info_6210 = { ++ .sht = &artop_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .mwdma_mask = 0x07, /* mwdma0-2 */ ++ .udma_mask = ATA_UDMA2, ++ .port_ops = &artop6210_ops, ++ }; ++ static struct ata_port_info info_626x = { ++ .sht = &artop_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .mwdma_mask = 0x07, /* mwdma0-2 */ ++ .udma_mask = ATA_UDMA4, ++ .port_ops = &artop6260_ops, ++ }; ++ static struct ata_port_info info_626x_fast = { ++ .sht = &artop_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .mwdma_mask = 0x07, /* mwdma0-2 */ ++ .udma_mask = ATA_UDMA5, ++ .port_ops = &artop6260_ops, ++ }; ++ struct ata_port_info *port_info[2]; ++ struct ata_port_info *info; ++ int ports = 2; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &pdev->dev, ++ "version " DRV_VERSION "\n"); ++ ++ if (id->driver_data == 0) { /* 6210 variant */ ++ info = &info_6210; ++ /* BIOS may have left us in UDMA, clear it before libata probe */ ++ pci_write_config_byte(pdev, 0x54, 0); ++ /* For the moment (also lacks dsc) */ ++ printk(KERN_WARNING "ARTOP 6210 requires serialize functionality not yet supported by libata.\n"); ++ printk(KERN_WARNING "Secondary ATA ports will not be activated.\n"); ++ ports = 1; ++ } ++ else if (id->driver_data == 1) /* 6260 */ ++ info = &info_626x; ++ else if (id->driver_data == 2) { /* 6260 or 6260 + fast */ ++ unsigned long io = pci_resource_start(pdev, 4); ++ u8 reg; ++ ++ info = &info_626x; ++ if (inb(io) & 0x10) ++ info = &info_626x_fast; ++ /* Mac systems come up with some registers not set as we ++ will need them */ ++ ++ /* Clear reset & test bits */ ++ pci_read_config_byte(pdev, 0x49, ®); ++ pci_write_config_byte(pdev, 0x49, reg & ~ 0x30); ++ ++ /* Enable IRQ output and burst mode */ ++ pci_read_config_byte(pdev, 0x4a, ®); ++ pci_write_config_byte(pdev, 0x4a, (reg & ~0x01) | 0x80); ++ ++ } ++ port_info[0] = port_info[1] = info; ++ return ata_pci_init_one(pdev, port_info, ports); ++} ++ ++static const struct pci_device_id artop_pci_tbl[] = { ++ { 0x1191, 0x0005, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { 0x1191, 0x0006, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, ++ { 0x1191, 0x0007, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, ++ { 0x1191, 0x0008, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, ++ { 0x1191, 0x0009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, ++ { } /* terminate list */ ++}; ++ ++static struct pci_driver artop_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = artop_pci_tbl, ++ .probe = artop_init_one, ++ .remove = ata_pci_remove_one, ++}; ++ ++static int __init artop_init(void) ++{ ++ return pci_register_driver(&artop_pci_driver); ++} ++ ++static void __exit artop_exit(void) ++{ ++ pci_unregister_driver(&artop_pci_driver); ++} ++ ++ ++module_init(artop_init); ++module_exit(artop_exit); ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("SCSI low-level driver for ARTOP PATA"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, artop_pci_tbl); ++MODULE_VERSION(DRV_VERSION); ++ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_atiixp.c linux-2.6.16-rc4/drivers/scsi/pata_atiixp.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_atiixp.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_atiixp.c 2006-02-07 13:42:02.000000000 +0000 +@@ -0,0 +1,299 @@ ++/* ++ * pata_atiixp.c - ATI PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * Based on ++ * ++ * linux/drivers/ide/pci/atiixp.c Version 0.01-bart2 Feb. 26, 2004 ++ * ++ * Copyright (C) 2003 ATI Inc. <hyu@ati.com> ++ * Copyright (C) 2004 Bartlomiej Zolnierkiewicz ++ * ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_atiixp" ++#define DRV_VERSION "0.1.1" ++ ++enum { ++ ATIIXP_IDE_PIO_TIMING = 0x40, ++ ATIIXP_IDE_MWDMA_TIMING = 0x44, ++ ATIIXP_IDE_PIO_CONTROL = 0x48, ++ ATIIXP_IDE_PIO_MODE = 0x4a, ++ ATIIXP_IDE_UDMA_CONTROL = 0x54, ++ ATIIXP_IDE_UDMA_MODE = 0x56 ++}; ++ ++static void atiixp_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static struct pci_bits atiixp_enable_bits[] = { ++ { 0x48, 1, 0x01, 0x00 }, ++ { 0x48, 1, 0x08, 0x00 } ++ }; ++ ++ if (!pci_test_config_bits(pdev, &atiixp_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = ATA_CBL_PATA80; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * atiixp_set_pio_timing - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called by both the pio and dma setup functions to set the controller ++ * timings for PIO transfers. We must load both the mode number and ++ * timing values into the controller. ++ */ ++ ++static void atiixp_set_pio_timing(struct ata_port *ap, struct ata_device *adev, int pio) ++{ ++ static u8 pio_timings[5] = { 0x5D, 0x47, 0x34, 0x22, 0x20 }; ++ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int dn = 2 * ap->hard_port_no + adev->devno; ++ ++ /* Check this is correct - the order is odd in both drivers */ ++ int timing_shift = (16 * ap->hard_port_no) + 8 * (adev->devno ^ 1); ++ u16 pio_mode_data, pio_timing_data; ++ ++ pci_read_config_word(pdev, ATIIXP_IDE_PIO_MODE, &pio_mode_data); ++ pio_mode_data &= ~(0x7 << (4 * dn)); ++ pio_mode_data |= pio << (4 * dn); ++ pci_write_config_word(pdev, ATIIXP_IDE_PIO_MODE, pio_mode_data); ++ ++ pci_read_config_word(pdev, ATIIXP_IDE_PIO_TIMING, &pio_timing_data); ++ pio_mode_data &= ~(0xFF << timing_shift); ++ pio_mode_data |= (pio_timings[pio] << timing_shift); ++ pci_write_config_word(pdev, ATIIXP_IDE_PIO_TIMING, pio_timing_data); ++} ++ ++/** ++ * atiixp_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the PIO mode setup. We use a shared helper for this ++ * as the DMA setup must also adjust the PIO timing information. ++ */ ++ ++static void atiixp_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ atiixp_set_pio_timing(ap, adev, adev->pio_mode - XFER_PIO_0); ++} ++ ++/** ++ * atiixp_set_dmamode - set initial DMA mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the DMA mode setup. We use timing tables for most ++ * modes but must tune an appropriate PIO mode to match. ++ */ ++ ++static void atiixp_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static u8 mwdma_timings[5] = { 0x77, 0x21, 0x20 }; ++ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int dma = adev->dma_mode; ++ int dn = 2 * ap->hard_port_no + adev->devno; ++ int wanted_pio; ++ ++ if (adev->dma_mode >= XFER_UDMA_0) { ++ u16 udma_mode_data; ++ ++ dma -= XFER_UDMA_0; ++ ++ pci_read_config_word(pdev, ATIIXP_IDE_UDMA_MODE, &udma_mode_data); ++ udma_mode_data &= ~(0x7 << (4 * dn)); ++ udma_mode_data |= dma << (4 * dn); ++ pci_write_config_word(pdev, ATIIXP_IDE_UDMA_MODE, udma_mode_data); ++ } else { ++ u16 mwdma_timing_data; ++ /* Check this is correct - the order is odd in both drivers */ ++ int timing_shift = (16 * ap->hard_port_no) + 8 * (adev->devno ^ 1); ++ ++ dma -= XFER_MW_DMA_0; ++ ++ pci_read_config_word(pdev, ATIIXP_IDE_MWDMA_TIMING, &mwdma_timing_data); ++ mwdma_timing_data &= ~(0xFF << timing_shift); ++ mwdma_timing_data |= (mwdma_timings[dma] << timing_shift); ++ pci_write_config_word(pdev, ATIIXP_IDE_MWDMA_TIMING, mwdma_timing_data); ++ } ++ /* ++ * We must now look at the PIO mode situation. We may need to ++ * adjust the PIO mode to keep the timings acceptable ++ */ ++ if (adev->dma_mode >= XFER_MW_DMA_2) ++ wanted_pio = 4; ++ else if (adev->dma_mode == XFER_MW_DMA_1) ++ wanted_pio = 3; ++ else if (adev->dma_mode == XFER_MW_DMA_0) ++ wanted_pio = 0; ++ else BUG(); ++ ++ if (adev->pio_mode != wanted_pio) ++ atiixp_set_pio_timing(ap, adev, wanted_pio); ++} ++ ++/** ++ * atiixp_bmdma_start - DMA start callback ++ * @qc: Command in progress ++ * ++ * When DMA begins we need to ensure that the UDMA control ++ * register for the channel is correctly set. ++ */ ++ ++static void atiixp_bmdma_start(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct ata_device *adev = qc->dev; ++ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int dn = (2 * ap->hard_port_no) + adev->devno; ++ u16 tmp16; ++ ++ pci_read_config_word(pdev, ATIIXP_IDE_UDMA_CONTROL, &tmp16); ++ if (adev->dma_mode >= XFER_UDMA_0) ++ tmp16 |= (1 << dn); ++ else ++ tmp16 &= ~(1 << dn); ++ pci_write_config_word(pdev, ATIIXP_IDE_UDMA_CONTROL, tmp16); ++ ata_bmdma_start(qc); ++} ++ ++/** ++ * atiixp_dma_stop - DMA stop callback ++ * @qc: Command in progress ++ * ++ * DMA has completed. Clear the UDMA flag as the next operations will ++ * be PIO ones not UDMA data transfer. ++ */ ++ ++static void atiixp_bmdma_stop(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int dn = (2 * ap->hard_port_no) + qc->dev->devno; ++ u16 tmp16; ++ ++ pci_read_config_word(pdev, ATIIXP_IDE_UDMA_CONTROL, &tmp16); ++ tmp16 &= ~(1 << dn); ++ pci_write_config_word(pdev, ATIIXP_IDE_UDMA_CONTROL, tmp16); ++ ata_bmdma_stop(qc); ++} ++ ++static struct scsi_host_template atiixp_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations atiixp_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = atiixp_set_piomode, ++ .set_dmamode = atiixp_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = atiixp_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = atiixp_bmdma_start, ++ .bmdma_stop = atiixp_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int atiixp_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info = { ++ .sht = &atiixp_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x06, /* No MWDMA0 support */ ++ .udma_mask = 0x3F, ++ .port_ops = &atiixp_port_ops ++ }; ++ static struct ata_port_info *port_info[2] = { &info, &info }; ++ return ata_pci_init_one(dev, port_info, 2); ++} ++ ++static struct pci_device_id atiixp[] = { ++ { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP200_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP300_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { 0, }, ++}; ++ ++static struct pci_driver atiixp_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = atiixp, ++ .probe = atiixp_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init atiixp_init(void) ++{ ++ return pci_register_driver(&atiixp_pci_driver); ++} ++ ++ ++static void __exit atiixp_exit(void) ++{ ++ pci_unregister_driver(&atiixp_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for ATI IXP200/300/400"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, atiixp); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(atiixp_init); ++module_exit(atiixp_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_cmd64x.c linux-2.6.16-rc4/drivers/scsi/pata_cmd64x.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_cmd64x.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_cmd64x.c 2006-02-16 15:34:39.000000000 +0000 +@@ -0,0 +1,486 @@ ++/* ++ * pata_cmd64x.c - ATI PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * Based upon ++ * linux/drivers/ide/pci/cmd64x.c Version 1.30 Sept 10, 2002 ++ * ++ * cmd64x.c: Enable interrupts at initialization time on Ultra/PCI machines. ++ * Note, this driver is not used at all on other systems because ++ * there the "BIOS" has done all of the following already. ++ * Due to massive hardware bugs, UltraDMA is only supported ++ * on the 646U2 and not on the 646U. ++ * ++ * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) ++ * Copyright (C) 1998 David S. Miller (davem@redhat.com) ++ * ++ * Copyright (C) 1999-2002 Andre Hedrick <andre@linux-ide.org> ++ * ++ * TODO ++ * Testing work ++ * Non x86 needs PIO 0 loading before we commence ident ++ * - but this belongs in libata-core ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_cmd64x" ++#define DRV_VERSION "0.1.1" ++ ++/* ++ * CMD64x specific registers definition. ++ */ ++ ++enum { ++ CFR = 0x50, ++ CFR_INTR_CH0 = 0x02, ++ CNTRL = 0x51, ++ CNTRL_DIS_RA0 = 0x40, ++ CNTRL_DIS_RA1 = 0x80, ++ CNTRL_ENA_2ND = 0x08, ++ CMDTIM = 0x52, ++ ARTTIM0 = 0x53, ++ DRWTIM0 = 0x54, ++ ARTTIM1 = 0x55, ++ DRWTIM1 = 0x56, ++ ARTTIM23 = 0x57, ++ ARTTIM23_DIS_RA2 = 0x04, ++ ARTTIM23_DIS_RA3 = 0x08, ++ ARTTIM23_INTR_CH1 = 0x10, ++ ARTTIM2 = 0x57, ++ ARTTIM3 = 0x57, ++ DRWTIM23 = 0x58, ++ DRWTIM2 = 0x58, ++ BRST = 0x59, ++ DRWTIM3 = 0x5b, ++ BMIDECR0 = 0x70, ++ MRDMODE = 0x71, ++ MRDMODE_INTR_CH0 = 0x04, ++ MRDMODE_INTR_CH1 = 0x08, ++ MRDMODE_BLK_CH0 = 0x10, ++ MRDMODE_BLK_CH1 = 0x20, ++ BMIDESR0 = 0x72, ++ UDIDETCR0 = 0x73, ++ DTPR0 = 0x74, ++ BMIDECR1 = 0x78, ++ BMIDECSR = 0x79, ++ BMIDESR1 = 0x7A, ++ UDIDETCR1 = 0x7B, ++ DTPR1 = 0x7C ++}; ++ ++/* Phee Phy Pho Phum */ ++ ++static void cmd64x_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++static void cmd648_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u8 r; ++ ++ /* Check cable detect bits */ ++ pci_read_config_byte(pdev, BMIDECSR, &r); ++ if (r & (1 << ap->hard_port_no)) ++ ap->cbl = ATA_CBL_PATA80; ++ else ++ ap->cbl = ATA_CBL_PATA40; ++ ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * cmd64x_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the PIO mode setup. ++ */ ++ ++static void cmd64x_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ struct ata_timing t; ++ const unsigned long T = 1000000 / 33; ++ const u8 setup_data[] = { 0x40, 0x40, 0x40, 0x80, 0x00 }; ++ ++ u8 reg; ++ ++ /* Port layout is not logical so use a table */ ++ const u8 arttim_port[2][2] = { ++ { ARTTIM0, ARTTIM1 }, ++ { ARTTIM23, ARTTIM23 } ++ }; ++ const u8 drwtim_port[2][2] = { ++ { DRWTIM0, DRWTIM1 }, ++ { DRWTIM2, DRWTIM3 } ++ }; ++ ++ int arttim = arttim_port[ap->hard_port_no][adev->devno]; ++ int drwtim = drwtim_port[ap->hard_port_no][adev->devno]; ++ ++ ++ if (ata_timing_compute(adev, adev->pio_mode, &t, T, 0) < 0) { ++ printk(KERN_ERR DRV_NAME ": mome computation failed.\n"); ++ return; ++ } ++ if (ap->hard_port_no) { ++ /* Slave has shared address setup */ ++ struct ata_device *pair = ata_dev_pair(ap, adev); ++ ++ if (pair) { ++ struct ata_timing tp; ++ ata_timing_compute(pair, pair->pio_mode, &tp, T, 0); ++ ata_timing_merge(&t, &tp, &t, ATA_TIMING_SETUP); ++ } ++ } ++ ++ printk(KERN_DEBUG DRV_NAME ": active %d recovery %d setup %d.\n", ++ t.active, t.recover, t.setup); ++ if (t.recover > 16) { ++ t.active += t.recover - 16; ++ t.recover = 16; ++ } ++ if (t.active > 16) ++ t.active = 16; ++ ++ /* Now convert the clocks into values we can actually stuff into ++ the chip */ ++ ++ if (t.recover > 1) ++ t.recover--; ++ else ++ t.recover = 15; ++ ++ if (t.setup > 4) ++ t.setup = 0xC0; ++ else ++ t.setup = setup_data[t.setup]; ++ ++ t.active &= 0x0F; /* 0 = 16 */ ++ ++ /* Load setup timing */ ++ pci_read_config_byte(pdev, arttim, ®); ++ reg &= 0x3F; ++ reg |= t.setup; ++ pci_write_config_byte(pdev, arttim, reg); ++ ++ /* Load active/recovery */ ++ pci_write_config_byte(pdev, drwtim, (t.active << 4) | t.recover); ++} ++ ++/** ++ * cmd64x_set_dmamode - set initial DMA mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the DMA mode setup. ++ */ ++ ++static void cmd64x_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u8 regU, regD; ++ ++ int pciU = UDIDETCR0 + 8 * ap->hard_port_no; ++ int pciD = BMIDESR0 + 8 * ap->hard_port_no; ++ int shift = 2 * adev->devno; ++ const u8 udma_data[] = { 0x31, 0x21, 0x11, 0x25, 0x15, 0x05 }; ++ const u8 mwdma_data[] = { 0x30, 0x20, 0x10 }; ++ ++ pci_read_config_byte(pdev, pciD, ®D); ++ pci_read_config_byte(pdev, pciU, ®U); ++ ++ regD &= ~(0x20 << shift); ++ regU &= ~(0x35 << shift); ++ ++ if (adev->dma_mode >= XFER_UDMA_0) ++ regU |= udma_data[adev->dma_mode - XFER_UDMA_0] << shift; ++ else ++ regD |= mwdma_data[adev->dma_mode - XFER_MW_DMA_0] << shift; ++ ++ regD |= 0x20 << adev->devno; ++ ++ pci_write_config_byte(pdev, pciU, regU); ++ pci_write_config_byte(pdev, pciD, regD); ++} ++ ++/** ++ * cmd648_dma_stop - DMA stop callback ++ * @qc: Command in progress ++ * ++ * DMA has completed. ++ */ ++ ++static void cmd648_bmdma_stop(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u8 dma_intr; ++ int dma_reg = ap->hard_port_no ? ARTTIM23_INTR_CH1 : CFR_INTR_CH0; ++ int dma_mask = ap->hard_port_no ? ARTTIM2 : CFR; ++ ++ ata_bmdma_stop(qc); ++ ++ pci_read_config_byte(pdev, dma_reg, &dma_intr); ++ pci_write_config_byte(pdev, dma_reg, dma_intr | dma_mask); ++} ++ ++/** ++ * cmd646r1_dma_stop - DMA stop callback ++ * @qc: Command in progress ++ * ++ * Stub for now while investigating the r1 quirk in the old driver. ++ */ ++ ++static void cmd646r1_bmdma_stop(struct ata_queued_cmd *qc) ++{ ++ ata_bmdma_stop(qc); ++} ++ ++static struct scsi_host_template cmd64x_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations cmd64x_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = cmd64x_set_piomode, ++ .set_dmamode = cmd64x_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = cmd64x_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static struct ata_port_operations cmd646r1_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = cmd64x_set_piomode, ++ .set_dmamode = cmd64x_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = cmd64x_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = cmd646r1_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static struct ata_port_operations cmd648_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = cmd64x_set_piomode, ++ .set_dmamode = cmd64x_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = cmd648_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = cmd648_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ++{ ++ u32 class_rev; ++ ++ static struct ata_port_info cmd_info[6] = { ++ { /* CMD 643 - no UDMA */ ++ .sht = &cmd64x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .port_ops = &cmd64x_port_ops ++ }, ++ { /* CMD 646 with broken UDMA */ ++ .sht = &cmd64x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .port_ops = &cmd64x_port_ops ++ }, ++ { /* CMD 646 with working UDMA */ ++ .sht = &cmd64x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = ATA_UDMA1, ++ .port_ops = &cmd64x_port_ops ++ }, ++ { /* CMD 646 rev 1 */ ++ .sht = &cmd64x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .port_ops = &cmd646r1_port_ops ++ }, ++ { /* CMD 648 */ ++ .sht = &cmd64x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = ATA_UDMA2, ++ .port_ops = &cmd648_port_ops ++ }, ++ { /* CMD 649 */ ++ .sht = &cmd64x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = ATA_UDMA3, ++ .port_ops = &cmd648_port_ops ++ } ++ }; ++ static struct ata_port_info *port_info[2], *info; ++ u8 mrdmode; ++ ++ info = &cmd_info[id->driver_data]; ++ ++ pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev); ++ class_rev &= 0xFF; ++ ++ if (id->driver_data == 0) /* 643 */ ++ ata_pci_clear_simplex(pdev); ++ ++ if (pdev->device == PCI_DEVICE_ID_CMD_646) { ++ /* Does UDMA work ? */ ++ if (class_rev > 4) ++ info = &cmd_info[2]; ++ /* Early rev with other problems ? */ ++ else if (class_rev == 1) ++ info = &cmd_info[3]; ++ } ++ ++ pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64); ++ pci_read_config_byte(pdev, MRDMODE, &mrdmode); ++ mrdmode &= ~ 0x30; /* IRQ set up */ ++ mrdmode |= 0x02; /* Memory read line enable */ ++ pci_write_config_byte(pdev, MRDMODE, mrdmode); ++ ++ /* Force PIO 0 here.. */ ++ ++ /* PPC specific fixup copied from old driver */ ++#ifdef CONFIG_PPC ++ pci_write_config_byte(pdev, UDIDETCR0, 0xF0); ++#endif ++ ++ port_info[0] = port_info[1] = info; ++ return ata_pci_init_one(pdev, port_info, 2); ++} ++ ++static struct pci_device_id cmd64x[] = { ++ { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_643, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_646, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, ++ { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, ++ { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, ++ { 0, }, ++}; ++ ++static struct pci_driver cmd64x_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = cmd64x, ++ .probe = cmd64x_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init cmd64x_init(void) ++{ ++ return pci_register_driver(&cmd64x_pci_driver); ++} ++ ++ ++static void __exit cmd64x_exit(void) ++{ ++ pci_unregister_driver(&cmd64x_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for CMD64x series PATA controllers"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, cmd64x); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(cmd64x_init); ++module_exit(cmd64x_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_cs5520.c linux-2.6.16-rc4/drivers/scsi/pata_cs5520.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_cs5520.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_cs5520.c 2006-02-20 13:17:11.000000000 +0000 +@@ -0,0 +1,322 @@ ++/* ++ * IDE tuning and bus mastering support for the CS5510/CS5520 ++ * chipsets ++ * ++ * The CS5510/CS5520 are slightly unusual devices. Unlike the ++ * typical IDE controllers they do bus mastering with the drive in ++ * PIO mode and smarter silicon. ++ * ++ * The practical upshot of this is that we must always tune the ++ * drive for the right PIO mode. We must also ignore all the blacklists ++ * and the drive bus mastering DMA information. Also to confuse matters ++ * further we can do DMA on PIO only drives. ++ * ++ * DMA on the 5510 also requires we disable_hlt() during DMA on early ++ * revisions. ++ * ++ * *** This driver is strictly experimental *** ++ * ++ * (c) Copyright Red Hat Inc 2002 ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2, or (at your option) any ++ * later version. ++ * ++ * This program is distributed in the hope that it will be useful, but ++ * WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ * General Public License for more details. ++ * ++ * Documentation: ++ * Not publically available. ++ */ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "cs5520" ++#define DRV_VERSION "0.4" ++ ++struct pio_clocks ++{ ++ int address; ++ int assert; ++ int recovery; ++}; ++ ++static struct pio_clocks cs5520_pio_clocks[]={ ++ {3, 6, 11}, ++ {2, 5, 6}, ++ {1, 4, 3}, ++ {1, 3, 2}, ++ {1, 2, 1} ++}; ++ ++/** ++ * cs5520_set_timings - program PIO timings ++ * @ap: ATA port ++ * @adev: ATA device ++ * ++ * Program the PIO mode timings for the controller according to the pio ++ * clocking table. ++ */ ++ ++static void cs5520_set_timings(struct ata_port *ap, struct ata_device *adev, int pio) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int slave = adev->devno; ++ ++ pio -= XFER_PIO_0; ++ ++ /* Channel command timing */ ++ pci_write_config_byte(pdev, 0x62 + ap->hard_port_no, ++ (cs5520_pio_clocks[pio].recovery << 4) | ++ (cs5520_pio_clocks[pio].assert)); ++ /* FIXME: should these use address ? */ ++ /* Read command timing */ ++ pci_write_config_byte(pdev, 0x64 + 4*ap->hard_port_no + slave, ++ (cs5520_pio_clocks[pio].recovery << 4) | ++ (cs5520_pio_clocks[pio].assert)); ++ /* Write command timing */ ++ pci_write_config_byte(pdev, 0x66 + 4*ap->hard_port_no + slave, ++ (cs5520_pio_clocks[pio].recovery << 4) | ++ (cs5520_pio_clocks[pio].assert)); ++} ++ ++/** ++ * cs5520_enable_dma - turn on DMA bits ++ * ++ * Turn on the DMA bits for this disk. Needed because the BIOS probably ++ * has not done the work for us. Belongs in the core SATA code. ++ */ ++ ++static int cs5520_enable_dma(struct ata_port *ap, struct ata_device *adev) ++{ ++ /* Set the DMA enable/disable flag */ ++ u8 reg = inb(ap->ioaddr.bmdma_addr + 0x02); ++ reg |= 1<<(adev->devno + 5); ++ outb(reg, ap->ioaddr.bmdma_addr + 0x02); ++} ++ ++/** ++ * cs5520_set_dmamode - program DMA timings ++ * @ap: ATA port ++ * @adev: ATA device ++ * ++ * Program the DMA mode timings for the controller according to the pio ++ * clocking table. Note that this device sets the DMA timings to PIO ++ * mode values. This may seem bizarre but the 5520 architecture talks ++ * PIO mode to the disk and DMA mode to the controller so the underlying ++ * transfers are PIO timed. ++ */ ++ ++static void cs5520_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static const int dma_xlate[3] = { XFER_PIO_0, XFER_PIO_3, XFER_PIO_4 }; ++ cs5520_set_timings(ap, adev, dma_xlate[adev->dma_mode]); ++ cs5520_enable_dma(ap, adev); ++} ++ ++/** ++ * cs5520_set_piomode - program PIO timings ++ * @ap: ATA port ++ * @adev: ATA device ++ * ++ * Program the PIO mode timings for the controller according to the pio ++ * clocking table. We know pio_mode will equal dma_mode because of the ++ * CS5520 architecture. At least once we turned DMA on and wrote a ++ * mode setter. ++ */ ++ ++static void cs5520_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ cs5520_set_timings(ap, adev, adev->pio_mode); ++} ++ ++static struct scsi_host_template cs5520_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations cs5520_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = cs5520_set_piomode, ++ .set_dmamode = cs5520_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ u8 pcicfg; ++ static struct ata_probe_ent probe[2]; ++ int ports = 0; ++ ++ pci_read_config_byte(dev, 0x60, &pcicfg); ++ ++ /* Check if the ATA ports are enabled */ ++ if ((pcicfg & 3) == 0) ++ return -ENODEV; ++ ++ if ((pcicfg & 0x40) == 0) { ++ printk(KERN_WARNING DRV_NAME ": DMA mode disabled. Enabling.\n"); ++ pci_write_config_byte(dev, 0x60, pcicfg | 0x40); ++ } ++ ++ /* Perform set up for DMA */ ++ if (pci_enable_device_bars(dev, 1<<2)) { ++ printk(KERN_ERR DRV_NAME ": unable to configure BAR2.\n"); ++ return -ENODEV; ++ } ++ pci_set_master(dev); ++ if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) { ++ printk(KERN_ERR DRV_NAME ": unable to configure DMA mask.\n"); ++ return -ENODEV; ++ } ++ if (pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK)) { ++ printk(KERN_ERR DRV_NAME ": unable to configure consistent DMA mask.\n"); ++ return -ENODEV; ++ } ++ ++ /* We have to do our own plumbing as the PCI setup for this ++ chipset is non-standard so we can't punt to the libata code */ ++ ++ INIT_LIST_HEAD(&probe[0].node); ++ probe[0].dev = pci_dev_to_dev(dev); ++ probe[0].port_ops = &cs5520_port_ops; ++ probe[0].sht = &cs5520_sht; ++ probe[0].pio_mask = 0x1F; ++ probe[0].mwdma_mask = id->driver_data; ++ probe[0].irq = 14; ++ probe[0].irq_flags = SA_SHIRQ; ++ probe[0].host_flags = ATA_FLAG_SLAVE_POSS; ++ probe[0].legacy_mode = 1; ++ probe[0].n_ports = 1; ++ probe[0].port[0].cmd_addr = 0x1F0; ++ probe[0].port[0].ctl_addr = 0x3F6; ++ probe[0].port[0].altstatus_addr = 0x3F6; ++ probe[0].port[0].bmdma_addr = pci_resource_start(dev, 2); ++ ++ /* The secondary lurks at different addresses but is otherwise ++ the same beastie */ ++ ++ probe[1] = probe[0]; ++ INIT_LIST_HEAD(&probe[1].node); ++ probe[1].irq = 15; ++ probe[1].hard_port_no = 1; ++ probe[1].port[0].cmd_addr = 0x170; ++ probe[1].port[0].ctl_addr = 0x376; ++ probe[1].port[0].altstatus_addr = 0x376; ++ probe[1].port[0].bmdma_addr = pci_resource_start(dev, 2) + 8; ++ ++ /* Let libata fill in the port details */ ++ ata_std_ports(&probe[0].port[0]); ++ ata_std_ports(&probe[1].port[0]); ++ ++ /* Now add the ports that are active */ ++ if (pcicfg & 1) ++ ports += ata_device_add(&probe[0]); ++ if (pcicfg & 2) ++ ports += ata_device_add(&probe[1]); ++ if (ports) ++ return 0; ++ return -ENODEV; ++} ++ ++/** ++ * cs5520_remove_one - device unload ++ * @pdev: PCI device being removed ++ * ++ * Handle an unplug/unload event for a PCI device. Unload the ++ * PCI driver but do not use the default handler as we manage ++ * resources ourself and *MUST NOT* disable the device as it has ++ * other functions. ++ */ ++ ++static void __devexit cs5520_remove_one(struct pci_dev *pdev) ++{ ++ struct device *dev = pci_dev_to_dev(pdev); ++ struct ata_host_set *host_set = dev_get_drvdata(dev); ++ ++ ata_host_set_remove(host_set); ++ dev_set_drvdata(dev, NULL); ++} ++ ++/* For now keep DMA off. We can set it for all but A rev CS5510 once the ++ core ATA code can handle it */ ++ ++static struct pci_device_id pata_cs5520[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5510), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5520), }, ++ { 0, }, ++}; ++ ++static struct pci_driver cs5520_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = pata_cs5520, ++ .probe = cs5520_init_one, ++ .remove = cs5520_remove_one ++}; ++ ++ ++static int __init cs5520_init(void) ++{ ++ return pci_register_driver(&cs5520_pci_driver); ++} ++ ++static void __exit cs5520_exit(void) ++{ ++ pci_unregister_driver(&cs5520_pci_driver); ++} ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for Cyrix CS5510/5520"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, pata_cs5520); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(cs5520_init); ++module_exit(cs5520_exit); ++ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_cs5530.c linux-2.6.16-rc4/drivers/scsi/pata_cs5530.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_cs5530.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_cs5530.c 2006-02-16 15:43:34.000000000 +0000 +@@ -0,0 +1,340 @@ ++/* ++ * pata-cs5530.c - CS5530 PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * based upon cs5530.c by Mark Lord. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ * ++ * Loosely based on the piix & svwks drivers. ++ * ++ * Documentation: ++ * Available from AMD web site. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "cs5530" ++#define DRV_VERSION "0.3" ++ ++/** ++ * cs5530_set_piomode - PIO setup ++ * @ap: ATA interface ++ * @adev: device on the interface ++ * ++ * Set our PIO requirements. This is fairly simple on the CS5530 ++ * chips. ++ */ ++ ++static void cs5530_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static unsigned int cs5530_pio_timings[2][5] = { ++ {0x00009172, 0x00012171, 0x00020080, 0x00032010, 0x00040010}, ++ {0xd1329172, 0x71212171, 0x30200080, 0x20102010, 0x00100010} ++ }; ++ unsigned long base = ( ap->ioaddr.bmdma_addr & ~0x0F) + 0x20 + 0x10 * ap->hard_port_no; ++ u32 tuning; ++ int format; ++ ++ /* Find out which table to use */ ++ tuning = inl(base + 0x04); ++ format = (tuning & 0x80000000UL) ? 1 : 0; ++ ++ /* Now load the right timing register */ ++ if (adev->devno) ++ base += 0x08; ++ ++ outl(cs5530_pio_timings[format][adev->pio_mode - XFER_PIO_0], base); ++} ++ ++/** ++ * cs5530_set_dmamode - DMA timing setup ++ * @ap: ATA interface ++ * @adev: Device being configured ++ * ++ * We cannot mix MWDMA and UDMA without reloading timings each switch ++ * master to slave. We track the last DMA setup in order to minimise ++ * reloads. ++ */ ++ ++static void cs5530_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ unsigned long base = ( ap->ioaddr.bmdma_addr & ~0x0F) + 0x20 + 0x10 * ap->hard_port_no; ++ u32 tuning, timing = 0; ++ u8 reg; ++ ++ /* Find out which table to use */ ++ tuning = inl(base + 0x04); ++ ++ switch(adev->dma_mode) { ++ case XFER_UDMA_0: ++ timing = 0x00921250;break; ++ case XFER_UDMA_1: ++ timing = 0x00911140;break; ++ case XFER_UDMA_2: ++ timing = 0x00911030;break; ++ case XFER_MW_DMA_0: ++ timing = 0x00077771;break; ++ case XFER_MW_DMA_1: ++ timing = 0x00012121;break; ++ case XFER_MW_DMA_2: ++ timing = 0x00002020;break; ++ default: ++ BUG(); ++ } ++ /* Merge in the PIO format bit */ ++ timing |= (tuning & 0x80000000UL); ++ if (adev->devno == 0) /* Master */ ++ outl(timing, base + 0x04); ++ else { ++ if (timing & 0x00100000) ++ tuning |= 0x00100000; /* UDMA for both */ ++ else ++ tuning &= ~0x00100000; /* MWDMA for both */ ++ outl(tuning, base + 0x04); ++ outl(timing, base + 0x0C); ++ } ++ ++ /* Set the DMA capable bit in the BMDMA area */ ++ reg = inb(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); ++ reg |= (1 << (5 + adev->devno)); ++ outb(reg, ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); ++ ++ /* Remember the last DMA setup we did */ ++ ++ ap->private_data = adev; ++} ++ ++/** ++ * cs5530_qc_issue_prot - command issue ++ * @qc: command pending ++ * ++ * Called when the libata layer is about to issue a command. We wrap ++ * this interface so that we can load the correct ATA timings if ++ * neccessary. Specifically we have a problem that there is only ++ * one MWDMA/UDMA bit. ++ */ ++ ++static int cs5530_qc_issue_prot(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct ata_device *adev = qc->dev; ++ struct ata_device *prev = ap->private_data; ++ ++ /* See if the DMA settings could be wrong */ ++ if (adev->dma_mode != 0 && adev != prev && prev != NULL) { ++ /* Maybe, but do the channels match MWDMA/UDMA ? */ ++ if ((adev->dma_mode >= XFER_UDMA_0 && prev->dma_mode < XFER_UDMA_0) || ++ (adev->dma_mode < XFER_UDMA_0 && prev->dma_mode >= XFER_UDMA_0)) ++ /* Switch the mode bits */ ++ cs5530_set_dmamode(ap, adev); ++ } ++ ++ return ata_qc_issue_prot(qc); ++} ++ ++static struct scsi_host_template cs5530_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations cs5530_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = cs5530_set_piomode, ++ .set_dmamode = cs5530_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = cs5530_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * cs5530_init_one - Initialise a CS5530 ++ * @dev: PCI device ++ * @id: Entry in match table ++ * ++ * Install a driver for the newly found CS5530 companion chip. Most of ++ * this is just housekeeping. We have to set the chip up correctly and ++ * turn off various bits of emulation magic. ++ */ ++ ++static int cs5530_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ int compiler_warning_pointless_fix; ++ struct pci_dev *master_0 = NULL, *cs5530_0 = NULL; ++ static struct ata_port_info info = { ++ .sht = &cs5530_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x07, ++ .port_ops = &cs5530_port_ops ++ }; ++ static struct ata_port_info *port_info[2] = { &info, &info }; ++ ++ dev = NULL; ++ while ((dev = pci_get_device(PCI_VENDOR_ID_CYRIX, PCI_ANY_ID, dev)) != NULL) { ++ switch (dev->device) { ++ case PCI_DEVICE_ID_CYRIX_PCI_MASTER: ++ master_0 = pci_dev_get(dev); ++ break; ++ case PCI_DEVICE_ID_CYRIX_5530_LEGACY: ++ cs5530_0 = pci_dev_get(dev); ++ break; ++ } ++ } ++ if (!master_0) { ++ printk(KERN_ERR DRV_NAME ": unable to locate PCI MASTER function\n"); ++ goto fail_put; ++ } ++ if (!cs5530_0) { ++ printk(KERN_ERR DRV_NAME ": unable to locate CS5530 LEGACY function\n"); ++ goto fail_put; ++ } ++ ++ pci_set_master(cs5530_0); ++ compiler_warning_pointless_fix = pci_set_mwi(cs5530_0); ++ ++ /* ++ * Set PCI CacheLineSize to 16-bytes: ++ * --> Write 0x04 into 8-bit PCI CACHELINESIZE reg of function 0 of the cs5530 ++ * ++ * Note: This value is constant because the 5530 is only a Geode companion ++ */ ++ ++ pci_write_config_byte(cs5530_0, PCI_CACHE_LINE_SIZE, 0x04); ++ ++ /* ++ * Disable trapping of UDMA register accesses (Win98 hack): ++ * --> Write 0x5006 into 16-bit reg at offset 0xd0 of function 0 of the cs5530 ++ */ ++ ++ pci_write_config_word(cs5530_0, 0xd0, 0x5006); ++ ++ /* ++ * Bit-1 at 0x40 enables MemoryWriteAndInvalidate on internal X-bus: ++ * The other settings are what is necessary to get the register ++ * into a sane state for IDE DMA operation. ++ */ ++ ++ pci_write_config_byte(master_0, 0x40, 0x1e); ++ ++ /* ++ * Set max PCI burst size (16-bytes seems to work best): ++ * 16bytes: set bit-1 at 0x41 (reg value of 0x16) ++ * all others: clear bit-1 at 0x41, and do: ++ * 128bytes: OR 0x00 at 0x41 ++ * 256bytes: OR 0x04 at 0x41 ++ * 512bytes: OR 0x08 at 0x41 ++ * 1024bytes: OR 0x0c at 0x41 ++ */ ++ ++ pci_write_config_byte(master_0, 0x41, 0x14); ++ ++ /* ++ * These settings are necessary to get the chip ++ * into a sane state for IDE DMA operation. ++ */ ++ ++ pci_write_config_byte(master_0, 0x42, 0x00); ++ pci_write_config_byte(master_0, 0x43, 0xc1); ++ ++ pci_dev_put(master_0); ++ pci_dev_put(cs5530_0); ++ ++ /* Now kick off ATA set up */ ++ return ata_pci_init_one(dev, port_info, 2); ++ ++fail_put: ++ if (master_0) ++ pci_dev_put(master_0); ++ if (cs5530_0) ++ pci_dev_put(cs5530_0); ++ return -ENODEV; ++} ++ ++static struct pci_device_id cs5530[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_IDE), }, ++ { 0, }, ++}; ++ ++static struct pci_driver cs5530_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = cs5530, ++ .probe = cs5530_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init cs5530_init(void) ++{ ++ return pci_register_driver(&cs5530_pci_driver); ++} ++ ++ ++static void __exit cs5530_exit(void) ++{ ++ pci_unregister_driver(&cs5530_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for the Cyrix/NS/AMD 5530"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, cs5530); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(cs5530_init); ++module_exit(cs5530_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_cs5535.c linux-2.6.16-rc4/drivers/scsi/pata_cs5535.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_cs5535.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_cs5535.c 2006-02-16 15:37:21.000000000 +0000 +@@ -0,0 +1,286 @@ ++/* ++ * pata-cs5535.c - CS5535 PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * based upon cs5535.c from AMD <Jens.Altmann@amd.com> as cleaned up and ++ * made readable and Linux style by Wolfgang Zuleger <wolfgang.zuleger@gmx.de ++ * and Alexander Kiausch <alex.kiausch@t-online.de> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ * ++ * Loosely based on the piix & svwks drivers. ++ * ++ * Documentation: ++ * Available from AMD web site. ++ * TODO ++ * Review errata to see if serializing is neccessary ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++#include <asm/msr.h> ++ ++#define DRV_NAME "cs5535" ++#define DRV_VERSION "0.2.1" ++ ++/* ++ * The Geode (Aka Athlon GX now) uses an internal MSR based ++ * bus system for control. Demented but there you go. ++ */ ++ ++#define MSR_ATAC_BASE 0x51300000 ++#define ATAC_GLD_MSR_CAP (MSR_ATAC_BASE+0) ++#define ATAC_GLD_MSR_CONFIG (MSR_ATAC_BASE+0x01) ++#define ATAC_GLD_MSR_SMI (MSR_ATAC_BASE+0x02) ++#define ATAC_GLD_MSR_ERROR (MSR_ATAC_BASE+0x03) ++#define ATAC_GLD_MSR_PM (MSR_ATAC_BASE+0x04) ++#define ATAC_GLD_MSR_DIAG (MSR_ATAC_BASE+0x05) ++#define ATAC_IO_BAR (MSR_ATAC_BASE+0x08) ++#define ATAC_RESET (MSR_ATAC_BASE+0x10) ++#define ATAC_CH0D0_PIO (MSR_ATAC_BASE+0x20) ++#define ATAC_CH0D0_DMA (MSR_ATAC_BASE+0x21) ++#define ATAC_CH0D1_PIO (MSR_ATAC_BASE+0x22) ++#define ATAC_CH0D1_DMA (MSR_ATAC_BASE+0x23) ++#define ATAC_PCI_ABRTERR (MSR_ATAC_BASE+0x24) ++ ++#define ATAC_BM0_CMD_PRIM 0x00 ++#define ATAC_BM0_STS_PRIM 0x02 ++#define ATAC_BM0_PRD 0x04 ++ ++#define CS5535_CABLE_DETECT 0x48 ++ ++#define CS5535_BAD_PIO(timings) ( (timings&~0x80000000UL)==0x00009172 ) ++ ++/** ++ * cs5535_cable_detect - detect cable type ++ * @ap: Port to detect on ++ * ++ * Perform cable detection for ATA66 capable cable. Return a libata ++ * cable type. ++ */ ++ ++static int cs5535_cable_detect(struct ata_port *ap) ++{ ++ u8 cable; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ ++ pci_read_config_byte(pdev, CS5535_CABLE_DETECT, &cable); ++ if (cable & 1) ++ return ATA_CBL_PATA80; ++ else ++ return ATA_CBL_PATA40; ++} ++ ++/** ++ * cs5535_phy_reset - reset/probe ++ * @ap: Port to reset ++ * ++ * Reset and configure a port ++ */ ++ ++static void cs5535_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = cs5535_cable_detect(ap); ++ ata_bus_reset(ap); ++ ata_port_probe(ap); ++} ++ ++/** ++ * cs5535_set_piomode - PIO setup ++ * @ap: ATA interface ++ * @adev: device on the interface ++ * ++ * Set our PIO requirements. The CS5535 is pretty clean about all this ++ */ ++ ++static void cs5535_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static u16 pio_timings[5] = { ++ 0xF7F4, 0x53F3, 0x13F1, 0x5131, 0x1131 ++ }; ++ static u16 pio_cmd_timings[5] = { ++ 0xF7F4, 0x53F3, 0x13F1, 0x5131, 0x1131 ++ }; ++ u32 reg, dummy; ++ struct ata_device *pair = ata_dev_pair(ap, adev); ++ ++ int mode = adev->pio_mode - XFER_PIO_0; ++ int cmdmode = mode; ++ ++ /* Command timing has to be for the lowest of the pair of devices */ ++ if (pair) { ++ int pairmode = pair->pio_mode - XFER_PIO_0; ++ cmdmode = min(mode, pairmode); ++ /* Write the other drive timing register if it changed */ ++ if (cmdmode < pairmode) ++ wrmsr(ATAC_CH0D0_PIO + 2 * pair->devno, ++ pio_cmd_timings[cmdmode] << 16 | pio_timings[pairmode], 0); ++ } ++ /* Write the drive timing register */ ++ wrmsr(ATAC_CH0D0_PIO + 2 * adev->devno, ++ pio_cmd_timings[cmdmode] << 16 | pio_timings[mode], 0); ++ ++ /* Set the PIO "format 1" bit in the DMA timing register */ ++ rdmsr(ATAC_CH0D0_DMA + 2 * adev->devno, reg, dummy); ++ wrmsr(ATAC_CH0D0_DMA + 2 * adev->devno, reg | 0x80000000UL, 0); ++} ++ ++/** ++ * cs5535_set_dmamode - DMA timing setup ++ * @ap: ATA interface ++ * @adev: Device being configured ++ * ++ */ ++ ++static void cs5535_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static u32 udma_timings[5] = { 0x7F7436A1, 0x7F733481, 0x7F723261, 0x7F713161, 0x7F703061 }; ++ static u32 mwdma_timings[3] = { 0x7F0FFFF3, 0x7F035352, 0x7F024241 }; ++ u32 reg, dummy; ++ int mode = adev->dma_mode; ++ ++ rdmsr(ATAC_CH0D0_DMA + 2 * adev->devno, reg, dummy); ++ reg &= 0x80000000UL; ++ if (mode >= XFER_UDMA_0) ++ reg |= udma_timings[mode - XFER_UDMA_0]; ++ else ++ reg |= mwdma_timings[mode - XFER_MW_DMA_0]; ++ wrmsr(ATAC_CH0D0_DMA + 2 * adev->devno, reg, 0); ++} ++ ++static struct scsi_host_template cs5535_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations cs5535_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = cs5535_set_piomode, ++ .set_dmamode = cs5535_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = cs5535_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * cs5535_init_one - Initialise a CS5530 ++ * @dev: PCI device ++ * @id: Entry in match table ++ * ++ * Install a driver for the newly found CS5530 companion chip. Most of ++ * this is just housekeeping. We have to set the chip up correctly and ++ * turn off various bits of emulation magic. ++ */ ++ ++static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info = { ++ .sht = &cs5535_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x1f, ++ .port_ops = &cs5535_port_ops ++ }; ++ struct ata_port_info *ports[1] = { &info }; ++ ++ u32 timings, dummy; ++ ++ /* Check the BIOS set the initial timing clock. If not set the ++ timings for PIO0 */ ++ rdmsr(ATAC_CH0D0_PIO, timings, dummy); ++ if (CS5535_BAD_PIO(timings)) ++ wrmsr(ATAC_CH0D0_PIO, 0xF7F4F7F4UL, 0); ++ rdmsr(ATAC_CH0D1_PIO, timings, dummy); ++ if (CS5535_BAD_PIO(timings)) ++ wrmsr(ATAC_CH0D1_PIO, 0xF7F4F7F4UL, 0); ++ return ata_pci_init_one(dev, ports, 1); ++} ++ ++static struct pci_device_id cs5535[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_NS, 0x002D), }, ++ { 0, }, ++}; ++ ++static struct pci_driver cs5535_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = cs5535, ++ .probe = cs5535_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init cs5535_init(void) ++{ ++ return pci_register_driver(&cs5535_pci_driver); ++} ++ ++ ++static void __exit cs5535_exit(void) ++{ ++ pci_unregister_driver(&cs5535_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox, Jens Altmann, Wolfgan Zuleger, Alexander Kiausch"); ++MODULE_DESCRIPTION("low-level driver for the NS/AMD 5530"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, cs5535); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(cs5535_init); ++module_exit(cs5535_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_cypress.c linux-2.6.16-rc4/drivers/scsi/pata_cypress.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_cypress.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_cypress.c 2006-02-16 15:37:46.000000000 +0000 +@@ -0,0 +1,215 @@ ++/* ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_cypress" ++#define DRV_VERSION "0.1" ++ ++/* here are the offset definitions for the registers */ ++ ++enum { ++ CY82_IDE_CMDREG = 0x04, ++ CY82_IDE_ADDRSETUP = 0x48, ++ CY82_IDE_MASTER_IOR = 0x4C, ++ CY82_IDE_MASTER_IOW = 0x4D, ++ CY82_IDE_SLAVE_IOR = 0x4E, ++ CY82_IDE_SLAVE_IOW = 0x4F, ++ CY82_IDE_MASTER_8BIT = 0x50, ++ CY82_IDE_SLAVE_8BIT = 0x51, ++ ++ CY82_INDEX_PORT = 0x22, ++ CY82_DATA_PORT = 0x23, ++ ++ CY82_INDEX_CTRLREG1 = 0x01, ++ CY82_INDEX_CHANNEL0 = 0x30, ++ CY82_INDEX_CHANNEL1 = 0x31, ++ CY82_INDEX_TIMEOUT = 0x32 ++}; ++ ++/* Phee Phy Pho Phum */ ++ ++static void cy82c693_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * cy82c693_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the PIO mode setup. ++ */ ++ ++static void cy82c693_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ struct ata_timing t; ++ const unsigned long T = 1000000 / 33; ++ short time_16, time_8; ++ u32 addr; ++ ++ if (ata_timing_compute(adev, adev->pio_mode, &t, T, 1) < 0) { ++ printk(KERN_ERR DRV_NAME ": mome computation failed.\n"); ++ return; ++ } ++ ++ time_16 = FIT(t.recover, 0, 15) | (FIT(t.active, 0, 15) << 4); ++ time_8 = FIT(t.act8b, 0, 15) | (FIT(t.rec8b, 0, 15) << 4); ++ ++ if (adev->devno == 0) { ++ pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr); ++ ++ addr &= ~0x0F; /* Mask bits */ ++ addr |= FIT(t.setup, 0, 15); ++ ++ pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr); ++ pci_write_config_byte(pdev, CY82_IDE_MASTER_IOR, time_16); ++ pci_write_config_byte(pdev, CY82_IDE_MASTER_IOW, time_16); ++ pci_write_config_byte(pdev, CY82_IDE_MASTER_8BIT, time_8); ++ } else { ++ pci_read_config_dword(pdev, CY82_IDE_ADDRSETUP, &addr); ++ ++ addr &= ~0xF0; /* Mask bits */ ++ addr |= (FIT(t.setup, 0, 15) << 4); ++ ++ pci_write_config_dword(pdev, CY82_IDE_ADDRSETUP, addr); ++ pci_write_config_byte(pdev, CY82_IDE_SLAVE_IOR, time_16); ++ pci_write_config_byte(pdev, CY82_IDE_SLAVE_IOW, time_16); ++ pci_write_config_byte(pdev, CY82_IDE_SLAVE_8BIT, time_8); ++ } ++} ++ ++/** ++ * cy82c693_set_dmamode - set initial DMA mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the DMA mode setup. ++ */ ++ ++static void cy82c693_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ int reg = CY82_INDEX_CHANNEL0 + ap->hard_port_no; ++ ++ /* Be afraid, be very afraid. Magic registers in low I/O space */ ++ outb(reg, 0x22); ++ outb(adev->dma_mode - XFER_MW_DMA_0, 0x23); ++ ++ /* 0x50 gives the best behaviour on the Alpha's using this chip */ ++ outb(CY82_INDEX_TIMEOUT, 0x22); ++ outb(0x50, 0x23); ++} ++ ++static struct scsi_host_template cy82c693_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations cy82c693_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = cy82c693_set_piomode, ++ .set_dmamode = cy82c693_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = cy82c693_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int cy82c693_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info = { ++ .sht = &cy82c693_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .port_ops = &cy82c693_port_ops ++ }; ++ static struct ata_port_info *port_info[1] = { &info }; ++ ++ /* Devfn 1 is the ATA primary. The secondary is magic and on devfn2. For the ++ moment we don't handle the secondary. FIXME */ ++ ++ if (PCI_FUNC(pdev->devfn) != 1) ++ return -ENODEV; ++ ++ return ata_pci_init_one(pdev, port_info, 1); ++} ++ ++static struct pci_device_id cy82c693[] = { ++ { PCI_VENDOR_ID_CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { 0, }, ++}; ++ ++static struct pci_driver cy82c693_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = cy82c693, ++ .probe = cy82c693_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init cy82c693_init(void) ++{ ++ return pci_register_driver(&cy82c693_pci_driver); ++} ++ ++ ++static void __exit cy82c693_exit(void) ++{ ++ pci_unregister_driver(&cy82c693_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for the CY82C693 PATA controller"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, cy82c693); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(cy82c693_init); ++module_exit(cy82c693_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_efar.c linux-2.6.16-rc4/drivers/scsi/pata_efar.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_efar.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_efar.c 2006-02-16 15:37:53.000000000 +0000 +@@ -0,0 +1,341 @@ ++/* ++ * pata_efar.c - EFAR PIIX clone controller driver ++ * ++ * (C) 2005 Red Hat <alan@redhat.com> ++ * ++ * Some parts based on ata_piix.c by Jeff Garzik and others. ++ * ++ * The EFAR is a PIIX4 clone with UDMA66 support. Unlike the later ++ * Intel ICH controllers the EFAR widened the UDMA mode register bits ++ * and doesn't require the funky clock selection. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <linux/device.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++#include <linux/ata.h> ++ ++#define DRV_NAME "pata_efar" ++#define DRV_VERSION "0.1" ++ ++/** ++ * efar_cable_detect - check for 40/80 pin ++ * @ap: Port ++ * ++ * Perform cable detection for the EFAR ATA interface. This is ++ * different to the PIIX arrangement ++ */ ++ ++static int efar_cable_detect(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u8 tmp; ++ ++ pci_read_config_byte(pdev, 0x47, &tmp); ++ if (tmp & (2 >> ap->hard_port_no)) ++ return ATA_CBL_PATA40; ++ return ATA_CBL_PATA80; ++} ++ ++/** ++ * efar_phy_reset - Probe specified port on PATA host controller ++ * @ap: Port to probe ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void efar_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ const struct pci_bits efar_enable_bits[] = { ++ { 0x41U, 1U, 0x80UL, 0x80UL }, /* port 0 */ ++ { 0x43U, 1U, 0x80UL, 0x80UL }, /* port 1 */ ++ }; ++ ++ if (!pci_test_config_bits(pdev, &efar_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = efar_cable_detect(ap); ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * efar_set_piomode - Initialize host controller PATA PIO timings ++ * @ap: Port whose timings we are configuring ++ * @adev: um ++ * ++ * Set PIO mode for device, in host controller PCI config space. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev) ++{ ++ unsigned int pio = adev->pio_mode - XFER_PIO_0; ++ struct pci_dev *dev = to_pci_dev(ap->host_set->dev); ++ unsigned int idetm_port= ap->hard_port_no ? 0x42 : 0x40; ++ u16 idetm_data; ++ int control = 0; ++ ++ /* ++ * See Intel Document 298600-004 for the timing programing rules ++ * for PIIX/ICH. The EFAR is a clone so very similar ++ */ ++ ++ static const /* ISP RTC */ ++ u8 timings[][2] = { { 0, 0 }, ++ { 0, 0 }, ++ { 1, 0 }, ++ { 2, 1 }, ++ { 2, 3 }, }; ++ ++ if (pio > 2) ++ control |= 1; /* TIME1 enable */ ++ if (ata_pio_need_iordy(adev)) /* PIO 3/4 require IORDY */ ++ control |= 2; /* IE enable */ ++ /* Intel specifies that the PPE functionality is for disk only */ ++ if (adev->class == ATA_DEV_ATA) ++ control |= 4; /* PPE enable */ ++ ++ pci_read_config_word(dev, idetm_port, &idetm_data); ++ ++ /* Enable PPE, IE and TIME as appropriate */ ++ ++ if (adev->devno == 0) { ++ idetm_data &= 0xCCF0; ++ idetm_data |= control; ++ idetm_data |= (timings[pio][0] << 12) | ++ (timings[pio][1] << 8); ++ } else { ++ int shift = 4 * ap->hard_port_no; ++ u8 slave_data; ++ ++ idetm_data &= 0xCC0F; ++ idetm_data |= (control << 4); ++ ++ /* Slave timing in seperate register */ ++ pci_read_config_byte(dev, 0x44, &slave_data); ++ slave_data &= 0x0F << shift; ++ slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << shift; ++ pci_write_config_byte(dev, 0x44, slave_data); ++ } ++ ++ idetm_data |= 0x4000; /* Ensure SITRE is enabled */ ++ pci_write_config_word(dev, idetm_port, idetm_data); ++} ++ ++/** ++ * efar_set_dmamode - Initialize host controller PATA DMA timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device to program ++ * ++ * Set UDMA/MWDMA mode for device, in host controller PCI config space. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void efar_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *dev = to_pci_dev(ap->host_set->dev); ++ u8 master_port = ap->hard_port_no ? 0x42 : 0x40; ++ u16 master_data; ++ u8 speed = adev->dma_mode; ++ int devid = adev->devno + 2 * ap->hard_port_no; ++ u8 udma_enable; ++ ++ static const /* ISP RTC */ ++ u8 timings[][2] = { { 0, 0 }, ++ { 0, 0 }, ++ { 1, 0 }, ++ { 2, 1 }, ++ { 2, 3 }, }; ++ ++ pci_read_config_word(dev, master_port, &master_data); ++ pci_read_config_byte(dev, 0x48, &udma_enable); ++ ++ if (speed >= XFER_UDMA_0) { ++ unsigned int udma = adev->dma_mode - XFER_UDMA_0; ++ u16 udma_timing; ++ ++ udma_enable |= (1 << devid); ++ ++ /* Load the UDMA mode number */ ++ pci_read_config_word(dev, 0x4A, &udma_timing); ++ udma_timing &= ~(7 << (4 * devid)); ++ udma_timing |= udma << (4 * devid); ++ pci_write_config_word(dev, 0x4A, udma_timing); ++ } else { ++ /* ++ * MWDMA is driven by the PIO timings. We must also enable ++ * IORDY unconditionally along with TIME1. PPE has already ++ * been set when the PIO timing was set. ++ */ ++ unsigned int mwdma = adev->dma_mode - XFER_MW_DMA_0; ++ unsigned int control; ++ u8 slave_data; ++ const unsigned int needed_pio[3] = { ++ XFER_PIO_0, XFER_PIO_3, XFER_PIO_4 ++ }; ++ int pio = needed_pio[mwdma] - XFER_PIO_0; ++ ++ control = 3; /* IORDY|TIME1 */ ++ ++ /* If the drive MWDMA is faster than it can do PIO then ++ we must force PIO into PIO0 */ ++ ++ if (adev->pio_mode < needed_pio[mwdma]) ++ /* Enable DMA timing only */ ++ control |= 8; /* PIO cycles in PIO0 */ ++ ++ if (adev->devno) { /* Slave */ ++ master_data &= 0xFF4F; /* Mask out IORDY|TIME1|DMAONLY */ ++ master_data |= control << 4; ++ pci_read_config_byte(dev, 0x44, &slave_data); ++ slave_data &= (0x0F + 0xE1 * ap->hard_port_no); ++ /* Load the matching timing */ ++ slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << (ap->hard_port_no ? 4 : 0); ++ pci_write_config_byte(dev, 0x44, slave_data); ++ } else { /* Master */ ++ master_data &= 0xCCF4; /* Mask out IORDY|TIME1|DMAONLY ++ and master timing bits */ ++ master_data |= control; ++ master_data |= ++ (timings[pio][0] << 12) | ++ (timings[pio][1] << 8); ++ } ++ udma_enable &= ~(1 << devid); ++ pci_write_config_word(dev, master_port, master_data); ++ } ++ pci_write_config_byte(dev, 0x48, udma_enable); ++} ++ ++static struct scsi_host_template efar_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static const struct ata_port_operations efar_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = efar_set_piomode, ++ .set_dmamode = efar_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = efar_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++ ++/** ++ * efar_init_one - Register EFAR ATA PCI device with kernel services ++ * @pdev: PCI device to register ++ * @ent: Entry in efar_pci_tbl matching with @pdev ++ * ++ * Called from kernel PCI layer. ++ * ++ * LOCKING: ++ * Inherited from PCI layer (may sleep). ++ * ++ * RETURNS: ++ * Zero on success, or -ERRNO value. ++ */ ++ ++static int efar_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) ++{ ++ static int printed_version; ++ static struct ata_port_info info = { ++ .sht = &efar_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .mwdma_mask = 0x07, /* mwdma1-2 */ ++ .udma_mask = 0x0f, /* UDMA 66 */ ++ .port_ops = &efar_ops, ++ }; ++ static struct ata_port_info *port_info[2] = { &info, &info }; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &pdev->dev, ++ "version " DRV_VERSION "\n"); ++ ++ return ata_pci_init_one(pdev, port_info, 2); ++} ++ ++static const struct pci_device_id efar_pci_tbl[] = { ++ { 0x1055, 0x9130, PCI_ANY_ID, PCI_ANY_ID, }, ++ { } /* terminate list */ ++}; ++ ++static struct pci_driver efar_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = efar_pci_tbl, ++ .probe = efar_init_one, ++ .remove = ata_pci_remove_one, ++}; ++ ++static int __init efar_init(void) ++{ ++ return pci_register_driver(&efar_pci_driver); ++} ++ ++static void __exit efar_exit(void) ++{ ++ pci_unregister_driver(&efar_pci_driver); ++} ++ ++ ++module_init(efar_init); ++module_exit(efar_exit); ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("SCSI low-level driver for EFAR PIIX clones"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, efar_pci_tbl); ++MODULE_VERSION(DRV_VERSION); ++ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_hpt34x.c linux-2.6.16-rc4/drivers/scsi/pata_hpt34x.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_hpt34x.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_hpt34x.c 2006-02-16 15:38:47.000000000 +0000 +@@ -0,0 +1,206 @@ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "hpt34x" ++#define DRV_VERSION "0.1" ++ ++/** ++ * hpt34x_bus_reset - reset the hpt34x bus ++ * @ap: ATA port to reset ++ * ++ * Perform the housekeeping when doing an ATA bus reeset. We just ++ * need to force the cable type. ++ */ ++ ++static void hpt34x_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = ATA_CBL_PATA40; ++ ata_bus_reset(ap); ++ ata_port_probe(ap); ++} ++ ++/** ++ * hpt34x_set_piomode - PIO setup ++ * @ap: ATA interface ++ * @adev: device on the interface ++ * ++ * Set our PIO requirements. This is fairly simple on the HPT34x as ++ * all we have to do is clear the MWDMA and UDMA bits then load the ++ * mode number. ++ */ ++ ++static void hpt34x_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 r1, r2; ++ int dn = 2 * ap->hard_port_no + adev->devno; ++ ++ pci_read_config_dword(pdev, 0x44, &r1); ++ pci_read_config_dword(pdev, 0x48, &r2); ++ /* Load the PIO timing number */ ++ r1 &= ~(7 << (3 * dn)); ++ r1 |= (adev->pio_mode - XFER_PIO_0) << (3 * dn); ++ r2 &= ~(0x11 << dn); /* Clear MWDMA and UDMA bits */ ++ ++ pci_write_config_dword(pdev, 0x44, r1); ++ pci_write_config_dword(pdev, 0x48, r2); ++} ++ ++/** ++ * hpt34x_set_dmamode - DMA timing setup ++ * @ap: ATA interface ++ * @adev: Device being configured ++ * ++ * Set up the channel for MWDMA or UDMA modes. Much the same as with ++ * PIO, load the mode number and then set MWDMA or UDMA flag. ++ */ ++ ++static void hpt34x_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 r1, r2; ++ int dn = 2 * ap->hard_port_no + adev->devno; ++ int mode_num = adev->dma_mode & 0x0F; ++ ++ pci_read_config_dword(pdev, 0x44, &r1); ++ pci_read_config_dword(pdev, 0x48, &r2); ++ /* Load the timing number */ ++ r1 &= ~(7 << (3 * dn)); ++ r1 |= (mode_num << (3 * dn)); ++ r2 &= ~(0x11 << dn); /* Clear MWDMA and UDMA bits */ ++ ++ if (adev->dma_mode >= XFER_UDMA_0) ++ r2 |= 0x01 << dn; /* Ultra mode */ ++ else ++ r2 |= 0x10 << dn; /* MWDMA */ ++ ++ pci_write_config_dword(pdev, 0x44, r1); ++ pci_write_config_dword(pdev, 0x48, r2); ++} ++ ++static struct scsi_host_template hpt34x_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations hpt34x_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = hpt34x_set_piomode, ++ .set_dmamode = hpt34x_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = hpt34x_phy_reset, ++ ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * hpt34x_init_one - Initialise an HPT343/363 ++ * @dev: PCI device ++ * @id: Entry in match table ++ * ++ * Perform basic initialisation. The chip has a quirk that it won't ++ * function unless it is at XX00. The old ATA driver touched this up ++ * but we leave it for pci quirks to do properly. ++ */ ++ ++static int hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info = { ++ .sht = &hpt34x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x07, ++ .port_ops = &hpt34x_port_ops ++ }; ++ static struct ata_port_info *port_info[2] = { &info, &info }; ++ u16 cmd; ++ ++ /* Initialize the board */ ++ pci_write_config_word(dev, 0x80, 0x00); ++ /* Check if it is a 343 or a 363. 363 has COMMAND_MEMORY set */ ++ pci_read_config_word(dev, PCI_COMMAND, &cmd); ++ if (cmd & PCI_COMMAND_MEMORY) ++ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0); ++ else ++ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20); ++ ++ /* Now kick off ATA set up */ ++ return ata_pci_init_one(dev, port_info, 2); ++} ++ ++static struct pci_device_id hpt34x[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT343), }, ++ { 0, }, ++}; ++ ++static struct pci_driver hpt34x_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = hpt34x, ++ .probe = hpt34x_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init hpt34x_init(void) ++{ ++ return pci_register_driver(&hpt34x_pci_driver); ++} ++ ++ ++static void __exit hpt34x_exit(void) ++{ ++ pci_unregister_driver(&hpt34x_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for the Highpoint HPT343/363"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, hpt34x); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(hpt34x_init); ++module_exit(hpt34x_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_hpt366.c linux-2.6.16-rc4/drivers/scsi/pata_hpt366.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_hpt366.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_hpt366.c 2006-02-16 15:45:36.000000000 +0000 +@@ -0,0 +1,479 @@ ++/* ++ * Libata driver for the highpoint 366 and 368 UDMA66 ATA controllers. ++ * ++ * This driver is heavily based upon: ++ * ++ * linux/drivers/ide/pci/hpt366.c Version 0.36 April 25, 2003 ++ * ++ * Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org> ++ * Portions Copyright (C) 2001 Sun Microsystems, Inc. ++ * Portions Copyright (C) 2003 Red Hat Inc ++ * ++ * ++ * TODO ++ * Maybe PLL mode ++ * Look into engine reset on timeout errors. Should not be ++ * required. ++ */ ++ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "hpt36x" ++#define DRV_VERSION "0.2" ++ ++struct hpt_clock { ++ u8 xfer_speed; ++ u32 timing; ++}; ++ ++/* key for bus clock timings ++ * bit ++ * 0:3 data_high_time. inactive time of DIOW_/DIOR_ for PIO and MW ++ * DMA. cycles = value + 1 ++ * 4:8 data_low_time. active time of DIOW_/DIOR_ for PIO and MW ++ * DMA. cycles = value + 1 ++ * 9:12 cmd_high_time. inactive time of DIOW_/DIOR_ during task file ++ * register access. ++ * 13:17 cmd_low_time. active time of DIOW_/DIOR_ during task file ++ * register access. ++ * 18:21 udma_cycle_time. clock freq and clock cycles for UDMA xfer. ++ * during task file register access. ++ * 22:24 pre_high_time. time to initialize 1st cycle for PIO and MW DMA ++ * xfer. ++ * 25:27 cmd_pre_high_time. time to initialize 1st PIO cycle for task ++ * register access. ++ * 28 UDMA enable ++ * 29 DMA enable ++ * 30 PIO_MST enable. if set, the chip is in bus master mode during ++ * PIO. ++ * 31 FIFO enable. ++ */ ++ ++static struct chipset_bus_clock_list_entry hpt366_40[] = { ++ { XFER_UDMA_4, 0x900fd943 }, ++ { XFER_UDMA_3, 0x900ad943 }, ++ { XFER_UDMA_2, 0x900bd943 }, ++ { XFER_UDMA_1, 0x9008d943 }, ++ { XFER_UDMA_0, 0x9008d943 }, ++ ++ { XFER_MW_DMA_2, 0xa008d943 }, ++ { XFER_MW_DMA_1, 0xa010d955 }, ++ { XFER_MW_DMA_0, 0xa010d9fc }, ++ ++ { XFER_PIO_4, 0xc008d963 }, ++ { XFER_PIO_3, 0xc010d974 }, ++ { XFER_PIO_2, 0xc010d997 }, ++ { XFER_PIO_1, 0xc010d9c7 }, ++ { XFER_PIO_0, 0xc018d9d9 }, ++ { 0, 0x0120d9d9 } ++}; ++ ++static struct chipset_bus_clock_list_entry hpt366_33[] = { ++ { XFER_UDMA_4, 0x90c9a731 }, ++ { XFER_UDMA_3, 0x90cfa731 }, ++ { XFER_UDMA_2, 0x90caa731 }, ++ { XFER_UDMA_1, 0x90cba731 }, ++ { XFER_UDMA_0, 0x90c8a731 }, ++ ++ { XFER_MW_DMA_2, 0xa0c8a731 }, ++ { XFER_MW_DMA_1, 0xa0c8a732 }, /* 0xa0c8a733 */ ++ { XFER_MW_DMA_0, 0xa0c8a797 }, ++ ++ { XFER_PIO_4, 0xc0c8a731 }, ++ { XFER_PIO_3, 0xc0c8a742 }, ++ { XFER_PIO_2, 0xc0d0a753 }, ++ { XFER_PIO_1, 0xc0d0a7a3 }, /* 0xc0d0a793 */ ++ { XFER_PIO_0, 0xc0d0a7aa }, /* 0xc0d0a7a7 */ ++ { 0, 0x0120a7a7 } ++}; ++ ++static struct chipset_bus_clock_list_entry hpt366_25[] = { ++ { XFER_UDMA_4, 0x90c98521 }, ++ { XFER_UDMA_3, 0x90cf8521 }, ++ { XFER_UDMA_2, 0x90cf8521 }, ++ { XFER_UDMA_1, 0x90cb8521 }, ++ { XFER_UDMA_0, 0x90cb8521 }, ++ ++ { XFER_MW_DMA_2, 0xa0ca8521 }, ++ { XFER_MW_DMA_1, 0xa0ca8532 }, ++ { XFER_MW_DMA_0, 0xa0ca8575 }, ++ ++ { XFER_PIO_4, 0xc0ca8521 }, ++ { XFER_PIO_3, 0xc0ca8532 }, ++ { XFER_PIO_2, 0xc0ca8542 }, ++ { XFER_PIO_1, 0xc0d08572 }, ++ { XFER_PIO_0, 0xc0d08585 }, ++ { 0, 0x01208585 } ++}; ++ ++static const char *bad_ata33[] = { ++ "Maxtor 92720U8", "Maxtor 92040U6", "Maxtor 91360U4", "Maxtor 91020U3", "Maxtor 90845U3", "Maxtor 90650U2", ++ "Maxtor 91360D8", "Maxtor 91190D7", "Maxtor 91020D6", "Maxtor 90845D5", "Maxtor 90680D4", "Maxtor 90510D3", "Maxtor 90340D2", ++ "Maxtor 91152D8", "Maxtor 91008D7", "Maxtor 90845D6", "Maxtor 90840D6", "Maxtor 90720D5", "Maxtor 90648D5", "Maxtor 90576D4", ++ "Maxtor 90510D4", ++ "Maxtor 90432D3", "Maxtor 90288D2", "Maxtor 90256D2", ++ "Maxtor 91000D8", "Maxtor 90910D8", "Maxtor 90875D7", "Maxtor 90840D7", "Maxtor 90750D6", "Maxtor 90625D5", "Maxtor 90500D4", ++ "Maxtor 91728D8", "Maxtor 91512D7", "Maxtor 91303D6", "Maxtor 91080D5", "Maxtor 90845D4", "Maxtor 90680D4", "Maxtor 90648D3", "Maxtor 90432D2", ++ NULL ++}; ++ ++static const char *bad_ata66_4[] = { ++ "IBM-DTLA-307075", ++ "IBM-DTLA-307060", ++ "IBM-DTLA-307045", ++ "IBM-DTLA-307030", ++ "IBM-DTLA-307020", ++ "IBM-DTLA-307015", ++ "IBM-DTLA-305040", ++ "IBM-DTLA-305030", ++ "IBM-DTLA-305020", ++ "IC35L010AVER07-0", ++ "IC35L020AVER07-0", ++ "IC35L030AVER07-0", ++ "IC35L040AVER07-0", ++ "IC35L060AVER07-0", ++ "WDC AC310200R", ++ NULL ++}; ++ ++static const char *bad_ata66_3[] = { ++ "WDC AC310200R", ++ NULL ++}; ++ ++static int hpt_dma_blacklisted(const struct ata_device *dev, char *modestr, const char *list[]) ++{ ++ unsigned char model_num[40]; ++ char *s; ++ unsigned int len; ++ int i = 0; ++ ++ ata_dev_id_string(dev->id, model_num, ATA_ID_PROD_OFS, ++ sizeof(model_num)); ++ s = &model_num[0]; ++ len = strnlen(s, sizeof(model_num)); ++ ++ /* ATAPI specifies that empty space is blank-filled; remove blanks */ ++ while ((len > 0) && (s[len - 1] == ' ')) { ++ len--; ++ s[len] = 0; ++ } ++ ++ while(list[i] != NULL) { ++ if (!strncmp(list[i], s, len)) { ++ printk(KERN_WARNING DRV_NAME ": %s is not supported for %s.\n", ++ modestr, list[i]); ++ return 1; ++ } ++ i++; ++ } ++ return 0; ++} ++ ++/** ++ * hpt366_filter - mode selection filter ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Block UDMA on devices that cause trouble with this controller. ++ */ ++ ++static unsigned int hpt366_filter(const struct ata_port *ap, struct ata_device *adev, unsigned int mask, int shift) ++{ ++ if (shift != ATA_SHIFT_UDMA) ++ return mask; ++ if (adev->class != ATA_DEV_ATA) ++ return mask; ++ if (hpt_dma_blacklisted(adev, "UDMA", bad_ata33)) ++ return 0; ++ if (hpt_dma_blacklisted(adev, "UDMA3", bad_ata66_3)) ++ return mask & 0x07; ++ if (hpt_dma_blacklisted(adev, "UDMA4", bad_ata66_4)) ++ return mask & 0x0F; ++ return mask; ++} ++ ++/** ++ * hpt36x_find_mode - reset the hpt36x bus ++ * @ap: ATA port ++ * @speed: transfer mode ++ * ++ * Return the 32bit register programming information for this channel ++ * that matches the speed provided. ++ */ ++ ++static u32 hpt36x_find_mode(struct ata_port *ap, int speed) ++{ ++ struct hpt_clock *clocks = ap->host_set->private_data; ++ ++ while(clocks->xfer_speed) { ++ if (clocks->xfer_speed == speed) ++ return clocks->timing; ++ clocks++; ++ } ++ BUG(); ++} ++ ++/** ++ * hpt36x_phy_reset - reset the hpt36x bus ++ * @ap: ATA port to reset ++ * ++ * Perform the PHY reset handling for the 366/368 ++ */ ++ ++static void hpt36x_phy_reset(struct ata_port *ap) ++{ ++ u8 scr2, ata66; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ ++ pci_read_config_byte(pdev, 0x5A, &ata66); ++ if (ata66 & (1 << ap->hard_port_no)) ++ ap->cbl = ATA_CBL_PATA40; ++ else ++ ap->cbl = ATA_CBL_PATA80; ++ ++ ata_bus_reset(ap); ++ ata_port_probe(ap); ++} ++ ++/** ++ * hpt366_set_piomode - PIO setup ++ * @ap: ATA interface ++ * @adev: device on the interface ++ * ++ * Perform PIO mode setup. ++ */ ++ ++static void hpt366_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 addr1, addr2; ++ u32 reg; ++ u32 mode; ++ u8 fast; ++ ++ addr1 = 0x40 + 4 * (adev->devno + 2 * ap->hard_port_no); ++ addr2 = 0x51 + 4 * ap->hard_port_no; ++ ++ /* Fast interrupt prediction disable, hold off interrupt disable */ ++ pci_read_config_byte(pdev, addr2, &fast); ++ if (fast & 0x80) { ++ fast &= ~0x80; ++ pci_write_config_byte(pdev, addr2, fast); ++ } ++ ++ pci_read_config_dword(pdev, addr1, ®); ++ mode = hpt36x_find_mode(ap, adev->pio_mode); ++ mode &= ~0x8000000; /* No FIFO in PIO */ ++ mode &= ~0x30070000; /* Leave config bits alone */ ++ reg &= 0x30070000; /* Strip timing bits */ ++ pci_write_config_dword(pdev, addr1, reg | mode); ++} ++ ++/** ++ * hpt366_set_dmamode - DMA timing setup ++ * @ap: ATA interface ++ * @adev: Device being configured ++ * ++ * Set up the channel for MWDMA or UDMA modes. Much the same as with ++ * PIO, load the mode number and then set MWDMA or UDMA flag. ++ */ ++ ++static void hpt366_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 addr1, addr2; ++ u32 reg; ++ u32 mode; ++ u8 fast; ++ ++ addr1 = 0x40 + 4 * (adev->devno + 2 * ap->hard_port_no); ++ addr2 = 0x51 + 4 * ap->hard_port_no; ++ ++ /* Fast interrupt prediction disable, hold off interrupt disable */ ++ pci_read_config_byte(pdev, addr2, &fast); ++ if (fast & 0x80) { ++ fast &= ~0x80; ++ pci_write_config_byte(pdev, addr2, fast); ++ } ++ ++ pci_read_config_dword(pdev, addr1, ®); ++ mode = hpt36x_find_mode(ap, adev->dma_mode); ++ mode |= 0x8000000; /* FIFO in MWDMA or UDMA */ ++ mode &= ~0xC0000000; /* Leave config bits alone */ ++ reg &= 0xC0000000; /* Strip timing bits */ ++ pci_write_config_dword(pdev, addr1, reg | mode); ++} ++ ++static struct scsi_host_template hpt36x_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++/* ++ * Configuration for HPT366/68 ++ */ ++ ++static struct ata_port_operations hpt366_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = hpt366_set_piomode, ++ .set_dmamode = hpt366_set_dmamode, ++ .mode_filter = hpt366_filter, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = hpt36x_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * hpt36x_init_one - Initialise an HPT366/368 ++ * @dev: PCI device ++ * @id: Entry in match table ++ * ++ * Initialise an HPT36x device. There are some interesting complications ++ * here. Firstly the chip may report 366 and be one of several variants. ++ * Secondly all the timings depend on the clock for the chip which we must ++ * detect and look up ++ * ++ * This is the known chip mappings. It may be missing a couple of later ++ * releases. ++ * ++ * Chip version PCI Rev Notes ++ * HPT366 4 (HPT366) 0 UDMA66 ++ * HPT366 4 (HPT366) 1 UDMA66 ++ * HPT368 4 (HPT366) 2 UDMA66 ++ * HPT37x/30x 4 (HPT366) 3+ Other driver ++ * ++ */ ++ ++static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info_hpt366 = { ++ .sht = &hpt366_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x1f, ++ .port_ops = &hpt370_port_ops ++ }; ++ struct ata_port_info *port_info[2] = {&info_hpt366, &info_hpt366}; ++ ++ u8 irqmask; ++ u32 class_rev; ++ u32 reg1; ++ ++ struct hpt_chip *chip_table; ++ int clock_slot; ++ ++ pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev); ++ class_rev &= 0xFF; ++ ++ /* May be a later chip in disguise. Check */ ++ /* Newer chips are in the HPT36x driver. Ignore them */ ++ if (class_rev > 2) ++ return -ENODEV; ++ ++ pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4)); ++ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x78); ++ pci_write_config_byte(dev, PCI_MIN_GNT, 0x08); ++ pci_write_config_byte(dev, PCI_MAX_LAT, 0x08); ++ ++ pci_read_config_byte(dev, 0x51, &drive_fast); ++ if (drive_fast & 0x80) ++ pci_write_config_byte(dev, 0x51, drive_fast & ~0x80); ++ ++ pci_read_config_dword(dev, 0x40, ®1); ++ ++ /* PCI clocking determines the ATA timing values to use */ ++ switch((reg1 & 0x700) { ++ case 5: ++ port->private_data = hpt366_40; ++ break; ++ case 9: ++ port->private_data = hpt366_25; ++ break; ++ default: ++ port->private_data = hpt366_33; ++ break; ++ } ++ port_info[0] = port_info[1] = port; ++ /* Now kick off ATA set up */ ++ return ata_pci_init_one(dev, port_info, 2); ++} ++ ++static struct pci_device_id hpt36x[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT366), }, ++ { 0, }, ++}; ++ ++static struct pci_driver hpt36x_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = hpt36x, ++ .probe = hpt36x_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init hpt36x_init(void) ++{ ++ return pci_register_driver(&hpt36x_pci_driver); ++} ++ ++ ++static void __exit hpt36x_exit(void) ++{ ++ pci_unregister_driver(&hpt36x_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for the Highpoint HPT366/368"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, hpt36x); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(hpt36x_init); ++module_exit(hpt36x_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_hpt37x.c linux-2.6.16-rc4/drivers/scsi/pata_hpt37x.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_hpt37x.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_hpt37x.c 2006-02-16 15:45:27.000000000 +0000 +@@ -0,0 +1,1232 @@ ++/* ++ * Libata driver for the highpoint 37x and 30x UDMA66 ATA controllers. ++ * ++ * This driver is heavily based upon: ++ * ++ * linux/drivers/ide/pci/hpt366.c Version 0.36 April 25, 2003 ++ * ++ * Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org> ++ * Portions Copyright (C) 2001 Sun Microsystems, Inc. ++ * Portions Copyright (C) 2003 Red Hat Inc ++ * ++ * TODO ++ * PLL mode ++ * Look into engine reset on timeout errors. Should not be ++ * required. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "hpt37x" ++#define DRV_VERSION "0.2" ++ ++struct hpt_clock { ++ u8 xfer_speed; ++ u32 timing; ++}; ++ ++struct hpt_chip { ++ const char *name; ++ unsigned int base; ++ struct hpt_clock *clocks[4]; ++}; ++ ++/* key for bus clock timings ++ * bit ++ * 0:3 data_high_time. inactive time of DIOW_/DIOR_ for PIO and MW ++ * DMA. cycles = value + 1 ++ * 4:8 data_low_time. active time of DIOW_/DIOR_ for PIO and MW ++ * DMA. cycles = value + 1 ++ * 9:12 cmd_high_time. inactive time of DIOW_/DIOR_ during task file ++ * register access. ++ * 13:17 cmd_low_time. active time of DIOW_/DIOR_ during task file ++ * register access. ++ * 18:21 udma_cycle_time. clock freq and clock cycles for UDMA xfer. ++ * during task file register access. ++ * 22:24 pre_high_time. time to initialize 1st cycle for PIO and MW DMA ++ * xfer. ++ * 25:27 cmd_pre_high_time. time to initialize 1st PIO cycle for task ++ * register access. ++ * 28 UDMA enable ++ * 29 DMA enable ++ * 30 PIO_MST enable. if set, the chip is in bus master mode during ++ * PIO. ++ * 31 FIFO enable. ++ */ ++ ++/* from highpoint documentation. these are old values */ ++static struct hpt_clock hpt370_timings_33[] = { ++/* { XFER_UDMA_5, 0x1A85F442, 0x16454e31 }, */ ++ { XFER_UDMA_5, 0x16454e31 }, ++ { XFER_UDMA_4, 0x16454e31 }, ++ { XFER_UDMA_3, 0x166d4e31 }, ++ { XFER_UDMA_2, 0x16494e31 }, ++ { XFER_UDMA_1, 0x164d4e31 }, ++ { XFER_UDMA_0, 0x16514e31 }, ++ ++ { XFER_MW_DMA_2, 0x26514e21 }, ++ { XFER_MW_DMA_1, 0x26514e33 }, ++ { XFER_MW_DMA_0, 0x26514e97 }, ++ ++ { XFER_PIO_4, 0x06514e21 }, ++ { XFER_PIO_3, 0x06514e22 }, ++ { XFER_PIO_2, 0x06514e33 }, ++ { XFER_PIO_1, 0x06914e43 }, ++ { XFER_PIO_0, 0x06914e57 }, ++ { 0, 0x06514e57 } ++}; ++ ++static struct hpt_clock hpt370_timings_66[] = { ++ { XFER_UDMA_5, 0x14846231 }, ++ { XFER_UDMA_4, 0x14886231 }, ++ { XFER_UDMA_3, 0x148c6231 }, ++ { XFER_UDMA_2, 0x148c6231 }, ++ { XFER_UDMA_1, 0x14906231 }, ++ { XFER_UDMA_0, 0x14986231 }, ++ ++ { XFER_MW_DMA_2, 0x26514e21 }, ++ { XFER_MW_DMA_1, 0x26514e33 }, ++ { XFER_MW_DMA_0, 0x26514e97 }, ++ ++ { XFER_PIO_4, 0x06514e21 }, ++ { XFER_PIO_3, 0x06514e22 }, ++ { XFER_PIO_2, 0x06514e33 }, ++ { XFER_PIO_1, 0x06914e43 }, ++ { XFER_PIO_0, 0x06914e57 }, ++ { 0, 0x06514e57 } ++}; ++ ++/* these are the current (4 sep 2001) timings from highpoint */ ++static struct hpt_clock hpt370a_timings_33[] = { ++ { XFER_UDMA_5, 0x12446231 }, ++ { XFER_UDMA_4, 0x12446231 }, ++ { XFER_UDMA_3, 0x126c6231 }, ++ { XFER_UDMA_2, 0x12486231 }, ++ { XFER_UDMA_1, 0x124c6233 }, ++ { XFER_UDMA_0, 0x12506297 }, ++ ++ { XFER_MW_DMA_2, 0x22406c31 }, ++ { XFER_MW_DMA_1, 0x22406c33 }, ++ { XFER_MW_DMA_0, 0x22406c97 }, ++ ++ { XFER_PIO_4, 0x06414e31 }, ++ { XFER_PIO_3, 0x06414e42 }, ++ { XFER_PIO_2, 0x06414e53 }, ++ { XFER_PIO_1, 0x06814e93 }, ++ { XFER_PIO_0, 0x06814ea7 }, ++ { 0, 0x06814ea7 } ++}; ++ ++/* 2x 33MHz timings */ ++static struct hpt_clock hpt370a_timings_66[] = { ++ { XFER_UDMA_5, 0x1488e673 }, ++ { XFER_UDMA_4, 0x1488e673 }, ++ { XFER_UDMA_3, 0x1498e673 }, ++ { XFER_UDMA_2, 0x1490e673 }, ++ { XFER_UDMA_1, 0x1498e677 }, ++ { XFER_UDMA_0, 0x14a0e73f }, ++ ++ { XFER_MW_DMA_2, 0x2480fa73 }, ++ { XFER_MW_DMA_1, 0x2480fa77 }, ++ { XFER_MW_DMA_0, 0x2480fb3f }, ++ ++ { XFER_PIO_4, 0x0c82be73 }, ++ { XFER_PIO_3, 0x0c82be95 }, ++ { XFER_PIO_2, 0x0c82beb7 }, ++ { XFER_PIO_1, 0x0d02bf37 }, ++ { XFER_PIO_0, 0x0d02bf5f }, ++ { 0, 0x0d02bf5f } ++}; ++ ++static struct hpt_clock hpt370a_timings_50[] = { ++ { XFER_UDMA_5, 0x12848242 }, ++ { XFER_UDMA_4, 0x12ac8242 }, ++ { XFER_UDMA_3, 0x128c8242 }, ++ { XFER_UDMA_2, 0x120c8242 }, ++ { XFER_UDMA_1, 0x12148254 }, ++ { XFER_UDMA_0, 0x121882ea }, ++ ++ { XFER_MW_DMA_2, 0x22808242 }, ++ { XFER_MW_DMA_1, 0x22808254 }, ++ { XFER_MW_DMA_0, 0x228082ea }, ++ ++ { XFER_PIO_4, 0x0a81f442 }, ++ { XFER_PIO_3, 0x0a81f443 }, ++ { XFER_PIO_2, 0x0a81f454 }, ++ { XFER_PIO_1, 0x0ac1f465 }, ++ { XFER_PIO_0, 0x0ac1f48a }, ++ { 0, 0x0ac1f48a } ++}; ++ ++static struct hpt_clock hpt372_timings_33[] = { ++ { XFER_UDMA_6, 0x1c81dc62 }, ++ { XFER_UDMA_5, 0x1c6ddc62 }, ++ { XFER_UDMA_4, 0x1c8ddc62 }, ++ { XFER_UDMA_3, 0x1c8edc62 }, /* checkme */ ++ { XFER_UDMA_2, 0x1c91dc62 }, ++ { XFER_UDMA_1, 0x1c9adc62 }, /* checkme */ ++ { XFER_UDMA_0, 0x1c82dc62 }, /* checkme */ ++ ++ { XFER_MW_DMA_2, 0x2c829262 }, ++ { XFER_MW_DMA_1, 0x2c829266 }, /* checkme */ ++ { XFER_MW_DMA_0, 0x2c82922e }, /* checkme */ ++ ++ { XFER_PIO_4, 0x0c829c62 }, ++ { XFER_PIO_3, 0x0c829c84 }, ++ { XFER_PIO_2, 0x0c829ca6 }, ++ { XFER_PIO_1, 0x0d029d26 }, ++ { XFER_PIO_0, 0x0d029d5e }, ++ { 0, 0x0d029d5e } ++}; ++ ++static struct hpt_clock hpt372_timings_50[] = { ++ { XFER_UDMA_5, 0x12848242 }, ++ { XFER_UDMA_4, 0x12ac8242 }, ++ { XFER_UDMA_3, 0x128c8242 }, ++ { XFER_UDMA_2, 0x120c8242 }, ++ { XFER_UDMA_1, 0x12148254 }, ++ { XFER_UDMA_0, 0x121882ea }, ++ ++ { XFER_MW_DMA_2, 0x22808242 }, ++ { XFER_MW_DMA_1, 0x22808254 }, ++ { XFER_MW_DMA_0, 0x228082ea }, ++ ++ { XFER_PIO_4, 0x0a81f442 }, ++ { XFER_PIO_3, 0x0a81f443 }, ++ { XFER_PIO_2, 0x0a81f454 }, ++ { XFER_PIO_1, 0x0ac1f465 }, ++ { XFER_PIO_0, 0x0ac1f48a }, ++ { 0, 0x0a81f443 } ++}; ++ ++static struct hpt_clock hpt372_timings_66[] = { ++ { XFER_UDMA_6, 0x1c869c62 }, ++ { XFER_UDMA_5, 0x1cae9c62 }, ++ { XFER_UDMA_4, 0x1c8a9c62 }, ++ { XFER_UDMA_3, 0x1c8e9c62 }, ++ { XFER_UDMA_2, 0x1c929c62 }, ++ { XFER_UDMA_1, 0x1c9a9c62 }, ++ { XFER_UDMA_0, 0x1c829c62 }, ++ ++ { XFER_MW_DMA_2, 0x2c829c62 }, ++ { XFER_MW_DMA_1, 0x2c829c66 }, ++ { XFER_MW_DMA_0, 0x2c829d2e }, ++ ++ { XFER_PIO_4, 0x0c829c62 }, ++ { XFER_PIO_3, 0x0c829c84 }, ++ { XFER_PIO_2, 0x0c829ca6 }, ++ { XFER_PIO_1, 0x0d029d26 }, ++ { XFER_PIO_0, 0x0d029d5e }, ++ { 0, 0x0d029d26 } ++}; ++ ++static struct hpt_clock hpt374_timings_33[] = { ++ { XFER_UDMA_6, 0x12808242 }, ++ { XFER_UDMA_5, 0x12848242 }, ++ { XFER_UDMA_4, 0x12ac8242 }, ++ { XFER_UDMA_3, 0x128c8242 }, ++ { XFER_UDMA_2, 0x120c8242 }, ++ { XFER_UDMA_1, 0x12148254 }, ++ { XFER_UDMA_0, 0x121882ea }, ++ ++ { XFER_MW_DMA_2, 0x22808242 }, ++ { XFER_MW_DMA_1, 0x22808254 }, ++ { XFER_MW_DMA_0, 0x228082ea }, ++ ++ { XFER_PIO_4, 0x0a81f442 }, ++ { XFER_PIO_3, 0x0a81f443 }, ++ { XFER_PIO_2, 0x0a81f454 }, ++ { XFER_PIO_1, 0x0ac1f465 }, ++ { XFER_PIO_0, 0x0ac1f48a }, ++ { 0, 0x06814e93 } ++}; ++ ++static struct hpt_chip hpt370 = { ++ "HPT370", ++ 48, ++ { ++ hpt370_timings_33, ++ NULL, ++ NULL, ++ hpt370_timings_66 ++ } ++}; ++ ++static struct hpt_chip hpt370a = { ++ "HPT370A", ++ 48, ++ { ++ hpt370a_timings_33, ++ NULL, ++ hpt370a_timings_50, ++ hpt370a_timings_66 ++ } ++}; ++ ++static struct hpt_chip hpt372 = { ++ "HPT372", ++ 55, ++ { ++ hpt372_timings_33, ++ NULL, ++ hpt372_timings_50, ++ hpt372_timings_66 ++ } ++}; ++ ++static struct hpt_chip hpt302 = { ++ "HPT302", ++ 66, ++ { ++ hpt372_timings_33, ++ NULL, ++ hpt372_timings_50, ++ hpt372_timings_66 ++ } ++}; ++ ++static struct hpt_chip hpt371 = { ++ "HPT371", ++ 66, ++ { ++ hpt372_timings_33, ++ NULL, ++ hpt372_timings_50, ++ hpt372_timings_66 ++ } ++}; ++ ++static struct hpt_chip hpt372a = { ++ "HPT372A", ++ 66, ++ { ++ hpt372_timings_33, ++ NULL, ++ hpt372_timings_50, ++ hpt372_timings_66 ++ } ++}; ++ ++static struct hpt_chip hpt374 = { ++ "HPT374", ++ 48, ++ { ++ hpt374_timings_33, ++ NULL, ++ NULL, ++ NULL ++ } ++}; ++ ++/** ++ * hpt37x_find_mode - reset the hpt37x bus ++ * @ap: ATA port ++ * @speed: transfer mode ++ * ++ * Return the 32bit register programming information for this channel ++ * that matches the speed provided. ++ */ ++ ++static u32 hpt37x_find_mode(struct ata_port *ap, int speed) ++{ ++ struct hpt_clock *clocks = ap->host_set->private_data; ++ ++ while(clocks->xfer_speed) { ++ if (clocks->xfer_speed == speed) ++ return clocks->timing; ++ clocks++; ++ } ++ BUG(); ++} ++ ++static int hpt_dma_blacklisted(const struct ata_device *dev, char *modestr, const char *list[]) ++{ ++ unsigned char model_num[40]; ++ char *s; ++ unsigned int len; ++ int i = 0; ++ ++ ata_dev_id_string(dev->id, model_num, ATA_ID_PROD_OFS, ++ sizeof(model_num)); ++ s = &model_num[0]; ++ len = strnlen(s, sizeof(model_num)); ++ ++ /* ATAPI specifies that empty space is blank-filled; remove blanks */ ++ while ((len > 0) && (s[len - 1] == ' ')) { ++ len--; ++ s[len] = 0; ++ } ++ ++ while(list[i] != NULL) { ++ if (!strncmp(list[i], s, len)) { ++ printk(KERN_WARNING DRV_NAME ": %s is not supported for %s.\n", ++ modestr, list[i]); ++ return 1; ++ } ++ i++; ++ } ++ return 0; ++} ++ ++static const char *bad_ata33[] = { ++ "Maxtor 92720U8", "Maxtor 92040U6", "Maxtor 91360U4", "Maxtor 91020U3", "Maxtor 90845U3", "Maxtor 90650U2", ++ "Maxtor 91360D8", "Maxtor 91190D7", "Maxtor 91020D6", "Maxtor 90845D5", "Maxtor 90680D4", "Maxtor 90510D3", "Maxtor 90340D2", ++ "Maxtor 91152D8", "Maxtor 91008D7", "Maxtor 90845D6", "Maxtor 90840D6", "Maxtor 90720D5", "Maxtor 90648D5", "Maxtor 90576D4", ++ "Maxtor 90510D4", ++ "Maxtor 90432D3", "Maxtor 90288D2", "Maxtor 90256D2", ++ "Maxtor 91000D8", "Maxtor 90910D8", "Maxtor 90875D7", "Maxtor 90840D7", "Maxtor 90750D6", "Maxtor 90625D5", "Maxtor 90500D4", ++ "Maxtor 91728D8", "Maxtor 91512D7", "Maxtor 91303D6", "Maxtor 91080D5", "Maxtor 90845D4", "Maxtor 90680D4", "Maxtor 90648D3", "Maxtor 90432D2", ++ NULL ++}; ++ ++static const char *bad_ata100_5[] = { ++ "IBM-DTLA-307075", ++ "IBM-DTLA-307060", ++ "IBM-DTLA-307045", ++ "IBM-DTLA-307030", ++ "IBM-DTLA-307020", ++ "IBM-DTLA-307015", ++ "IBM-DTLA-305040", ++ "IBM-DTLA-305030", ++ "IBM-DTLA-305020", ++ "IC35L010AVER07-0", ++ "IC35L020AVER07-0", ++ "IC35L030AVER07-0", ++ "IC35L040AVER07-0", ++ "IC35L060AVER07-0", ++ "WDC AC310200R", ++ NULL ++}; ++ ++/** ++ * hpt370_filter - mode selection filter ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Block UDMA on devices that cause trouble with this controller. ++ */ ++ ++static unsigned int hpt370_filter(const struct ata_port *ap, struct ata_device *adev, unsigned int mask, int shift) ++{ ++ if (shift != ATA_SHIFT_UDMA) ++ return mask; ++ if (adev->class != ATA_DEV_ATA) ++ return mask; ++ if (hpt_dma_blacklisted(adev, "UDMA", bad_ata33)) ++ return mask & 0x1F; ++ if (hpt_dma_blacklisted(adev, "UDMA100", bad_ata100_5)) ++ return mask & 0x1F; ++ return mask; ++} ++ ++/** ++ * hpt370a_filter - mode selection filter ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Block UDMA on devices that cause trouble with this controller. ++ */ ++ ++static unsigned int hpt370a_filter(const struct ata_port *ap, struct ata_device *adev, unsigned int mask, int shift) ++{ ++ if (shift != ATA_SHIFT_UDMA) ++ return mask; ++ if (adev->class != ATA_DEV_ATA) ++ return mask; ++ if (hpt_dma_blacklisted(adev, "UDMA100", bad_ata100_5)) ++ return mask & 0x1F; ++ return mask; ++} ++ ++/** ++ * hpt37x_phy_reset - reset the hpt37x bus ++ * @ap: ATA port to reset ++ * ++ * Perform the PHY reset handling for the 370/372 and 374 func 0 ++ */ ++ ++static void hpt37x_phy_reset(struct ata_port *ap) ++{ ++ u8 scr2, ata66; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ ++ pci_read_config_byte(pdev, 0x5B, &scr2); ++ pci_write_config_byte(pdev, 0x5B, scr2 & ~0x01); ++ /* Cable register now active */ ++ pci_read_config_byte(pdev, 0x5A, &ata66); ++ /* Restore state */ ++ pci_write_config_byte(pdev, 0x5B, scr2); ++ ++ if (ata66 & (1 << ap->hard_port_no)) ++ ap->cbl = ATA_CBL_PATA40; ++ else ++ ap->cbl = ATA_CBL_PATA80; ++ ++ /* Reset the state machine */ ++ pci_write_config_byte(pdev, 0x50, 0x37); ++ pci_write_config_byte(pdev, 0x54, 0x37); ++ udelay(100); ++ ++ printk("BUS RESET\n"); ++ ata_bus_reset(ap); ++ ata_port_probe(ap); ++} ++ ++/** ++ * hpt374_phy_reset - reset the hpt374 ++ * @ap: ATA port to reset ++ * ++ * The 374 cable detect is a little different due to the extra ++ * channels. The function 0 channels work like usual but function 1 ++ * is special ++ */ ++ ++static void hpt374_phy_reset(struct ata_port *ap) ++{ ++ u16 mcr3, mcr6; ++ u8 ata66; ++ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ ++ if (!(PCI_FUNC(pdev->devfn) & 1)) { ++ hpt37x_phy_reset(ap); ++ return; ++ } ++ /* Do the extra channel work */ ++ pci_read_config_word(pdev, 0x52, &mcr3); ++ pci_read_config_word(pdev, 0x56, &mcr6); ++ /* Set bit 15 of 0x52 to enable TCBLID as input ++ Set bit 15 of 0x56 to enable FCBLID as input ++ */ ++ pci_write_config_word(pdev, 0x52, mcr3 | 0x8000); ++ pci_write_config_word(pdev, 0x56, mcr6 | 0x8000); ++ pci_read_config_byte(pdev, 0x5A, &ata66); ++ /* Reset TCBLID/FCBLID to output */ ++ pci_write_config_word(pdev, 0x52, mcr3); ++ pci_write_config_word(pdev, 0x56, mcr6); ++ ++ if (ata66 & (1 << ap->hard_port_no)) ++ ap->cbl = ATA_CBL_PATA40; ++ else ++ ap->cbl = ATA_CBL_PATA80; ++ ++ /* Reset the state machine */ ++ pci_write_config_byte(pdev, 0x50, 0x37); ++ pci_write_config_byte(pdev, 0x54, 0x37); ++ udelay(100); ++ ++ ata_bus_reset(ap); ++ ata_port_probe(ap); ++} ++ ++ ++/** ++ * hpt370_set_piomode - PIO setup ++ * @ap: ATA interface ++ * @adev: device on the interface ++ * ++ * Perform PIO mode setup. ++ */ ++ ++static void hpt370_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 addr1, addr2; ++ u32 reg; ++ u32 mode; ++ u8 fast; ++ ++ addr1 = 0x40 + 4 * (adev->devno + 2 * ap->hard_port_no); ++ addr2 = 0x51 + 4 * ap->hard_port_no; ++ ++ /* Fast interrupt prediction disable, hold off interrupt disable */ ++ pci_read_config_byte(pdev, addr2, &fast); ++ fast &= ~0x02; ++ fast |= 0x01; ++ pci_write_config_byte(pdev, addr2, fast); ++ ++ pci_read_config_dword(pdev, addr1, ®); ++ mode = hpt37x_find_mode(ap, adev->pio_mode); ++ mode &= ~0x8000000; /* No FIFO in PIO */ ++ mode &= ~0x30070000; /* Leave config bits alone */ ++ reg &= 0x30070000; /* Strip timing bits */ ++ pci_write_config_dword(pdev, addr1, reg | mode); ++} ++ ++/** ++ * hpt370_set_dmamode - DMA timing setup ++ * @ap: ATA interface ++ * @adev: Device being configured ++ * ++ * Set up the channel for MWDMA or UDMA modes. Much the same as with ++ * PIO, load the mode number and then set MWDMA or UDMA flag. ++ */ ++ ++static void hpt370_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 addr1, addr2; ++ u32 reg; ++ u32 mode; ++ u8 fast; ++ ++ addr1 = 0x40 + 4 * (adev->devno + 2 * ap->hard_port_no); ++ addr2 = 0x51 + 4 * ap->hard_port_no; ++ ++ /* Fast interrupt prediction disable, hold off interrupt disable */ ++ pci_read_config_byte(pdev, addr2, &fast); ++ fast &= ~0x02; ++ fast |= 0x01; ++ pci_write_config_byte(pdev, addr2, fast); ++ ++ pci_read_config_dword(pdev, addr1, ®); ++ mode = hpt37x_find_mode(ap, adev->dma_mode); ++ mode |= 0x8000000; /* FIFO in MWDMA or UDMA */ ++ mode &= ~0xC0000000; /* Leave config bits alone */ ++ reg &= 0xC0000000; /* Strip timing bits */ ++ pci_write_config_dword(pdev, addr1, reg | mode); ++} ++ ++/** ++ * hpt370_bmdma_start - DMA engine begin ++ * @qc: ATA command ++ * ++ * The 370 and 370A want us to reset the DMA engine each time we ++ * use it. The 372 and later are fine. ++ */ ++ ++static void hpt370_bmdma_start(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ pci_write_config_byte(pdev, 0x50 + 4 * ap->hard_port_no, 0x37); ++ udelay(10); ++ ata_bmdma_start(qc); ++} ++ ++/** ++ * hpt370_bmdma_end - DMA engine stop ++ * @qc: ATA command ++ * ++ * Work around the HPT370 DMA engine. ++ */ ++ ++static void hpt370_bmdma_stop(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u8 dma_stat = inb(ap->ioaddr.bmdma_addr + 2); ++ u8 dma_cmd; ++ unsigned long bmdma = ap->ioaddr.bmdma_addr; ++ ++ if (dma_stat & 0x01) { ++ udelay(20); ++ dma_stat = inb(bmdma + 2); ++ } ++ if (dma_stat & 0x01) { ++ /* Clear the engine */ ++ pci_write_config_byte(pdev, 0x50 + 4 * ap->hard_port_no, 0x37); ++ udelay(10); ++ /* Stop DMA */ ++ dma_cmd = inb(bmdma ); ++ outb(dma_cmd & 0xFE, bmdma); ++ /* Clear Error */ ++ dma_stat = inb(bmdma + 2); ++ outb(dma_stat | 0x06 , bmdma + 2); ++ /* Clear the engine */ ++ pci_write_config_byte(pdev, 0x50 + 4 * ap->hard_port_no, 0x37); ++ udelay(10); ++ } ++ ata_bmdma_stop(qc); ++} ++ ++/** ++ * hpt372_set_piomode - PIO setup ++ * @ap: ATA interface ++ * @adev: device on the interface ++ * ++ * Perform PIO mode setup. ++ */ ++ ++static void hpt372_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 addr1, addr2; ++ u32 reg; ++ u32 mode; ++ u8 fast; ++ ++ addr1 = 0x40 + 4 * (adev->devno + 2 * ap->hard_port_no); ++ addr2 = 0x51 + 4 * ap->hard_port_no; ++ ++ /* Fast interrupt prediction disable, hold off interrupt disable */ ++ pci_read_config_byte(pdev, addr2, &fast); ++ fast &= ~0x07; ++ pci_write_config_byte(pdev, addr2, fast); ++ ++ pci_read_config_dword(pdev, addr1, ®); ++ mode = hpt37x_find_mode(ap, adev->pio_mode); ++ ++ printk("Find mode for %d reports %X\n", adev->pio_mode, mode); ++ mode &= ~0x8000000; /* No FIFO in PIO */ ++ mode &= ~0x30070000; /* Leave config bits alone */ ++ reg &= 0x30070000; /* Strip timing bits */ ++ pci_write_config_dword(pdev, addr1, reg | mode); ++} ++ ++/** ++ * hpt372_set_dmamode - DMA timing setup ++ * @ap: ATA interface ++ * @adev: Device being configured ++ * ++ * Set up the channel for MWDMA or UDMA modes. Much the same as with ++ * PIO, load the mode number and then set MWDMA or UDMA flag. ++ */ ++ ++static void hpt372_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 addr1, addr2; ++ u32 reg; ++ u32 mode; ++ u8 fast; ++ ++ addr1 = 0x40 + 4 * (adev->devno + 2 * ap->hard_port_no); ++ addr2 = 0x51 + 4 * ap->hard_port_no; ++ ++ /* Fast interrupt prediction disable, hold off interrupt disable */ ++ pci_read_config_byte(pdev, addr2, &fast); ++ fast &= ~0x07; ++ pci_write_config_byte(pdev, addr2, fast); ++ ++ pci_read_config_dword(pdev, addr1, ®); ++ mode = hpt37x_find_mode(ap, adev->dma_mode); ++ printk("Find mode for DMA %d reports %X\n", adev->dma_mode, mode); ++ mode &= ~0xC0000000; /* Leave config bits alone */ ++ mode |= 0x8000000; /* FIFO in MWDMA or UDMA */ ++ reg &= 0xC0000000; /* Strip timing bits */ ++ pci_write_config_dword(pdev, addr1, reg | mode); ++} ++ ++/** ++ * hpt37x_bmdma_end - DMA engine stop ++ * @qc: ATA command ++ * ++ * Clean up after the HPT372 and later DMA engine ++ */ ++ ++static void hpt37x_bmdma_stop(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int mscreg = 0x50 + 2 * ap->hard_port_no; ++ u8 bwsr_stat, msc_stat; ++ ++ pci_read_config_byte(pdev, 0x6A, &bwsr_stat); ++ pci_read_config_byte(pdev, mscreg, &msc_stat); ++ if (bwsr_stat & (1 << ap->hard_port_no)) ++ pci_write_config_byte(pdev, mscreg, msc_stat | 0x30); ++ ata_bmdma_stop(qc); ++} ++ ++ ++static struct scsi_host_template hpt37x_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++/* ++ * Configuration for HPT370 ++ */ ++ ++static struct ata_port_operations hpt370_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = hpt370_set_piomode, ++ .set_dmamode = hpt370_set_dmamode, ++ .mode_filter = hpt370_filter, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = hpt37x_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = hpt370_bmdma_start, ++ .bmdma_stop = hpt370_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/* ++ * Configuration for HPT370A. Close to 370 but less filters ++ */ ++ ++static struct ata_port_operations hpt370a_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = hpt370_set_piomode, ++ .set_dmamode = hpt370_set_dmamode, ++ .mode_filter = hpt370a_filter, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = hpt37x_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = hpt370_bmdma_start, ++ .bmdma_stop = hpt370_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/* ++ * Configuration for HPT372, HPT371, HPT302. Slightly different PIO ++ * and DMA mode setting functionality. ++ */ ++ ++static struct ata_port_operations hpt372_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = hpt372_set_piomode, ++ .set_dmamode = hpt372_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = hpt37x_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = hpt37x_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/* ++ * Configuration for HPT374. Mode setting works like 372 and friends ++ * but we have a different cable detection procedure. ++ */ ++ ++static struct ata_port_operations hpt374_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = hpt372_set_piomode, ++ .set_dmamode = hpt372_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = hpt374_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = hpt37x_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * htp37x_clock_slot - Turn timing to PC clock entry ++ * @freq: Reported frequency timing ++ * @base: Base timing ++ * ++ * Turn the timing data intoa clock slot (0 for 33, 1 for 40, 2 for 50 ++ * and 3 for 66Mhz) ++ */ ++ ++static int hpt37x_clock_slot(unsigned int freq, unsigned int base) ++{ ++ unsigned int f = (base * freq) / 192; /* Mhz */ ++ if (f < 40) ++ return 0; /* 33Mhz slot */ ++ if (f < 45) ++ return 1; /* 40Mhz slot */ ++ if (f < 55) ++ return 2; /* 50Mhz slot */ ++ return 3; /* 60Mhz slot */ ++} ++ ++/** ++ * hpt37x_calibrate_dpll - Calibrate the DPLL loop ++ * @dev: PCI device ++ * ++ * Perform a calibration cycle on the HPT37x DPLL. Returns 1 if this ++ * succeeds ++ */ ++ ++static int hpt37x_calibrate_dpll(struct pci_dev *dev) ++{ ++ u8 reg5b; ++ u32 reg5c; ++ int tries; ++ ++ for(tries = 0; tries < 0x5000; tries++) { ++ udelay(50); ++ pci_read_config_byte(dev, 0x5b, ®5b); ++ if (reg5b & 0x80) { ++ /* See if it stays set */ ++ for(tries = 0; tries < 0x1000; tries ++) { ++ pci_read_config_byte(dev, 0x5b, ®5b); ++ /* Failed ? */ ++ if ((reg5b & 0x80) == 0) ++ return 0; ++ } ++ /* Turn off tuning, we have the DPLL set */ ++ pci_read_config_dword(dev, 0x5c, ®5c); ++ pci_write_config_dword(dev, 0x5c, reg5c & ~ 0x100); ++ return 1; ++ } ++ } ++ /* Never went stable */ ++ return 0; ++} ++/** ++ * hpt37x_init_one - Initialise an HPT37X/302 ++ * @dev: PCI device ++ * @id: Entry in match table ++ * ++ * Initialise an HPT37x device. There are some interesting complications ++ * here. Firstly the chip may report 366 and be one of several variants. ++ * Secondly all the timings depend on the clock for the chip which we must ++ * detect and look up ++ * ++ * This is the known chip mappings. It may be missing a couple of later ++ * releases. ++ * ++ * Chip version PCI Rev Notes ++ * HPT366 4 (HPT366) 0 Other driver ++ * HPT366 4 (HPT366) 1 Other driver ++ * HPT368 4 (HPT366) 2 Other driver ++ * HPT370 4 (HPT366) 3 UDMA100 ++ * HPT370A 4 (HPT366) 4 UDMA100 ++ * HPT372 4 (HPT366) 5 UDMA133 (1) ++ * HPT372N 4 (HPT366) 6 Other driver ++ * HPT372A 5 (HPT372) 1 UDMA133 (1) ++ * HPT372N 5 (HPT372) 2 Other driver ++ * HPT302 6 (HPT302) 1 UDMA133 ++ * HPT302N 6 (HPT302) 2 Other driver ++ * HPT371 7 (HPT371) * UDMA133 ++ * HPT374 8 (HPT374) * UDMA133 4 channel ++ * HPT372N 9 (HPT372N) * Other driver ++ * ++ * (1) UDMA133 support depends on the bus clock ++ */ ++ ++static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ /* HPT370 - UDMA100 */ ++ static struct ata_port_info info_hpt370 = { ++ .sht = &hpt37x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, ++ .port_ops = &hpt370_port_ops ++ }; ++ /* HPT370A - UDMA100 */ ++ static struct ata_port_info info_hpt370a = { ++ .sht = &hpt37x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, ++ .port_ops = &hpt370a_port_ops ++ }; ++ /* HPT371, 372 and friends - UDMA133 */ ++ static struct ata_port_info info_hpt372 = { ++ .sht = &hpt37x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x7f, ++ .port_ops = &hpt372_port_ops ++ }; ++ /* HPT371, 372 and friends - UDMA100 at 50MHz clock */ ++ static struct ata_port_info info_hpt372_50 = { ++ .sht = &hpt37x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, ++ .port_ops = &hpt372_port_ops ++ }; ++ /* HPT374 - UDMA133 */ ++ static struct ata_port_info info_hpt374 = { ++ .sht = &hpt37x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x7f, ++ .port_ops = &hpt374_port_ops ++ }; ++ ++ struct ata_port_info *port_info[2]; ++ struct ata_port_info *port; ++ ++ u8 irqmask; ++ u32 class_rev; ++ u32 freq; ++ ++ int MHz[4] = { 33, 40, 50, 66 }; ++ struct hpt_chip *chip_table; ++ int clock_slot; ++ ++ pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev); ++ class_rev &= 0xFF; ++ ++ if (dev->device == PCI_DEVICE_ID_TTI_HPT366) { ++ /* May be a later chip in disguise. Check */ ++ /* Older chips are in the HPT366 driver. Ignore them */ ++ if (class_rev < 3) ++ return -ENODEV; ++ /* N series chips have their own driver. Ignore */ ++ if (class_rev == 6) ++ return -ENODEV; ++ ++ switch(class_rev) { ++ case 3: ++ port = &info_hpt370; ++ chip_table = &hpt370; ++ break; ++ case 4: ++ port = &info_hpt370a; ++ chip_table = &hpt370a; ++ break; ++ case 5: ++ port = &info_hpt372; ++ chip_table = &hpt372; ++ break; ++ default: ++ printk(KERN_ERR "pata_hpt37x: Unknown HPT366 subtype please report (%d).\n", class_rev); ++ return -ENODEV; ++ } ++ } else { ++ switch(dev->device) { ++ case PCI_DEVICE_ID_TTI_HPT372: ++ /* 372N if rev >= 2*/ ++ if (class_rev >= 2) ++ return -ENODEV; ++ port = &info_hpt372; ++ chip_table = &hpt372a; ++ break; ++ case PCI_DEVICE_ID_TTI_HPT302: ++ /* 302N if rev > 1 */ ++ if (class_rev > 1) ++ return -ENODEV; ++ port = &info_hpt372; ++ /* Check this */ ++ chip_table = &hpt302; ++ break; ++ case PCI_DEVICE_ID_TTI_HPT371: ++ port = &info_hpt372; ++ chip_table = &hpt371; ++ break; ++ case PCI_DEVICE_ID_TTI_HPT374: ++ chip_table = &hpt374; ++ port = &info_hpt374; ++ break; ++ default: ++ printk(KERN_ERR "pata_hpt37x: PCI table is bogus please report (%d).\n", dev->device); ++ return -ENODEV; ++ } ++ } ++ /* Ok so this is a chip we support */ ++ ++ pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4)); ++ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x78); ++ pci_write_config_byte(dev, PCI_MIN_GNT, 0x08); ++ pci_write_config_byte(dev, PCI_MAX_LAT, 0x08); ++ ++ pci_read_config_byte(dev, 0x5A, &irqmask); ++ irqmask &= ~0x10; ++ pci_write_config_byte(dev, 0x5a, irqmask); ++ ++ /* ++ * default to pci clock. make sure MA15/16 are set to output ++ * to prevent drives having problems with 40-pin cables. Needed ++ * for some drives such as IBM-DTLA which will not enter ready ++ * state on reset when PDIAG is a input. ++ */ ++ ++ pci_write_config_byte(dev, 0x5b, 0x23); ++ ++ pci_read_config_dword(dev, 0x70, &freq); ++ if ((freq >> 12) != 0xABCDE) { ++ int i; ++ u8 sr; ++ u32 total = 0; ++ ++ printk(KERN_WARNING "pata_hpt37x: BIOS has not set timing clocks.\n"); ++ ++ /* This is the process the HPT371 BIOS is reported to use */ ++ for(i = 0; i < 128; i++) { ++ pci_read_config_byte(dev, 0x78, &sr); ++ total += sr; ++ udelay(15); ++ } ++ freq = total / 128; ++ } ++ freq &= 0x1FF; ++ ++ /* ++ * Turn the frequency check into a band and then find a timing ++ * table to match it. ++ */ ++ ++ clock_slot = hpt37x_clock_slot(freq, chip_table->base); ++ if (chip_table->clocks[clock_slot] == NULL) { ++ /* ++ * We need to try PLL mode instead ++ */ ++ unsigned int f_low = (MHz[clock_slot] * chip_table->base) / 192; ++ unsigned int f_high = f_low + 2; ++ int adjust; ++ ++ for(adjust = 0; adjust < 8; adjust++) { ++ if (hpt37x_calibrate_dpll(dev)) ++ break; ++ /* See if it'll settle at a fractionally different clock */ ++ if ((adjust & 3) == 3) { ++ f_low --; ++ f_high ++; ++ } ++ pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low); ++ } ++ if (adjust == 8) { ++ printk(KERN_WARNING "hpt37x: DPLL did not stabilize.\n"); ++ return -ENODEV; ++ } ++ /* Check if this works for all cases */ ++ port->private_data = hpt370_timings_66; ++ ++ printk(KERN_INFO "hpt37x: Bus clock %dMHz, using DPLL.\n", MHz[clock_slot]); ++ } else { ++ port->private_data = chip_table->clocks[clock_slot]; ++ /* ++ * Perform a final fixup. The 371 and 372 clock determines ++ * if UDMA133 is available. ++ */ ++ ++ if (clock_slot == 2 && chip_table == &hpt372) { /* 50Mhz */ ++ printk(KERN_WARNING "pata_hpt37x: No UDMA133 support available with 50MHz bus clock.\n"); ++ if (port == &info_hpt372) ++ port = &info_hpt372_50; ++ else BUG(); ++ } ++ printk(KERN_INFO "hpt37x: %s: Bus clock %dMHz.\n", chip_table->name, MHz[clock_slot]); ++ } ++ port_info[0] = port_info[1] = port; ++ /* Now kick off ATA set up */ ++ return ata_pci_init_one(dev, port_info, 2); ++} ++ ++static struct pci_device_id hpt37x[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT366), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT371), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT372), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT374), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT302), }, ++ { 0, }, ++}; ++ ++static struct pci_driver hpt37x_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = hpt37x, ++ .probe = hpt37x_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init hpt37x_init(void) ++{ ++ return pci_register_driver(&hpt37x_pci_driver); ++} ++ ++ ++static void __exit hpt37x_exit(void) ++{ ++ pci_unregister_driver(&hpt37x_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for the Highpoint HPT37x/30x"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, hpt37x); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(hpt37x_init); ++module_exit(hpt37x_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_hpt3x2n.c linux-2.6.16-rc4/drivers/scsi/pata_hpt3x2n.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_hpt3x2n.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_hpt3x2n.c 2006-02-16 15:36:58.000000000 +0000 +@@ -0,0 +1,580 @@ ++/* ++ * Libata driver for the highpoint 372N and 302N UDMA66 ATA controllers. ++ * ++ * This driver is heavily based upon: ++ * ++ * linux/drivers/ide/pci/hpt366.c Version 0.36 April 25, 2003 ++ * ++ * Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org> ++ * Portions Copyright (C) 2001 Sun Microsystems, Inc. ++ * Portions Copyright (C) 2003 Red Hat Inc ++ * ++ * ++ * TODO ++ * 371N ++ * Work out best PLL policy ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "hpt3x2n" ++#define DRV_VERSION "0.1" ++ ++enum { ++ HPT_PCI_FAST = (1 << 31), ++ PCI66 = (1 << 1), ++ USE_DPLL = (1 << 0) ++}; ++ ++struct hpt_clock { ++ u8 xfer_speed; ++ u32 timing; ++}; ++ ++struct hpt_chip { ++ const char *name; ++ struct hpt_clock *clocks[3]; ++}; ++ ++/* key for bus clock timings ++ * bit ++ * 0:3 data_high_time. inactive time of DIOW_/DIOR_ for PIO and MW ++ * DMA. cycles = value + 1 ++ * 4:8 data_low_time. active time of DIOW_/DIOR_ for PIO and MW ++ * DMA. cycles = value + 1 ++ * 9:12 cmd_high_time. inactive time of DIOW_/DIOR_ during task file ++ * register access. ++ * 13:17 cmd_low_time. active time of DIOW_/DIOR_ during task file ++ * register access. ++ * 18:21 udma_cycle_time. clock freq and clock cycles for UDMA xfer. ++ * during task file register access. ++ * 22:24 pre_high_time. time to initialize 1st cycle for PIO and MW DMA ++ * xfer. ++ * 25:27 cmd_pre_high_time. time to initialize 1st PIO cycle for task ++ * register access. ++ * 28 UDMA enable ++ * 29 DMA enable ++ * 30 PIO_MST enable. if set, the chip is in bus master mode during ++ * PIO. ++ * 31 FIFO enable. ++ */ ++ ++/* 66MHz DPLL clocks */ ++ ++static struct hpt_clock hpt3x2n_clocks[] = { ++ { XFER_UDMA_7, 0x1c869c62 }, ++ { XFER_UDMA_6, 0x1c869c62 }, ++ { XFER_UDMA_5, 0x1c8a9c62 }, ++ { XFER_UDMA_4, 0x1c8a9c62 }, ++ { XFER_UDMA_3, 0x1c8e9c62 }, ++ { XFER_UDMA_2, 0x1c929c62 }, ++ { XFER_UDMA_1, 0x1c9a9c62 }, ++ { XFER_UDMA_0, 0x1c829c62 }, ++ ++ { XFER_MW_DMA_2, 0x2c829c62 }, ++ { XFER_MW_DMA_1, 0x2c829c66 }, ++ { XFER_MW_DMA_0, 0x2c829d2c }, ++ ++ { XFER_PIO_4, 0x0c829c62 }, ++ { XFER_PIO_3, 0x0c829c84 }, ++ { XFER_PIO_2, 0x0c829ca6 }, ++ { XFER_PIO_1, 0x0d029d26 }, ++ { XFER_PIO_0, 0x0d029d5e }, ++ { 0, 0x0d029d5e } ++}; ++ ++/** ++ * hpt3x2n_find_mode - reset the hpt3x2n bus ++ * @ap: ATA port ++ * @speed: transfer mode ++ * ++ * Return the 32bit register programming information for this channel ++ * that matches the speed provided. For the moment the clocks table ++ * is hard coded but easy to change. This will be needed if we use ++ * different DPLLs ++ */ ++ ++static u32 hpt3x2n_find_mode(struct ata_port *ap, int speed) ++{ ++ struct hpt_clock *clocks = hpt3x2n_clocks; ++ ++ while(clocks->xfer_speed) { ++ if (clocks->xfer_speed == speed) ++ return clocks->timing; ++ clocks++; ++ } ++ BUG(); ++} ++ ++/** ++ * hpt3x2n_phy_reset - reset the hpt3x2n bus ++ * @ap: ATA port to reset ++ * ++ * Perform the PHY reset handling for the 3x2N ++ */ ++ ++static void hpt3x2n_phy_reset(struct ata_port *ap) ++{ ++ u8 scr2, ata66; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ ++ pci_read_config_byte(pdev, 0x5B, &scr2); ++ pci_write_config_byte(pdev, 0x5B, scr2 & ~0x01); ++ /* Cable register now active */ ++ pci_read_config_byte(pdev, 0x5A, &ata66); ++ /* Restore state */ ++ pci_write_config_byte(pdev, 0x5B, scr2); ++ ++ if (ata66 & (1 << ap->hard_port_no)) ++ ap->cbl = ATA_CBL_PATA40; ++ else ++ ap->cbl = ATA_CBL_PATA80; ++ ++ /* Reset the state machine */ ++ pci_write_config_byte(pdev, 0x50, 0x37); ++ pci_write_config_byte(pdev, 0x54, 0x37); ++ udelay(100); ++ ++ ata_bus_reset(ap); ++ ata_port_probe(ap); ++} ++/** ++ * hpt3x2n_set_piomode - PIO setup ++ * @ap: ATA interface ++ * @adev: device on the interface ++ * ++ * Perform PIO mode setup. ++ */ ++ ++static void hpt3x2n_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 addr1, addr2; ++ u32 reg; ++ u32 mode; ++ u8 fast; ++ ++ addr1 = 0x40 + 4 * (adev->devno + 2 * ap->hard_port_no); ++ addr2 = 0x51 + 4 * ap->hard_port_no; ++ ++ /* Fast interrupt prediction disable, hold off interrupt disable */ ++ pci_read_config_byte(pdev, addr2, &fast); ++ fast &= ~0x07; ++ pci_write_config_byte(pdev, addr2, fast); ++ ++ pci_read_config_dword(pdev, addr1, ®); ++ mode = hpt3x2n_find_mode(ap, adev->pio_mode); ++ mode &= ~0x8000000; /* No FIFO in PIO */ ++ mode &= ~0x30070000; /* Leave config bits alone */ ++ reg &= 0x30070000; /* Strip timing bits */ ++ pci_write_config_dword(pdev, addr1, reg | mode); ++} ++ ++/** ++ * hpt3x2n_set_dmamode - DMA timing setup ++ * @ap: ATA interface ++ * @adev: Device being configured ++ * ++ * Set up the channel for MWDMA or UDMA modes. Much the same as with ++ * PIO, load the mode number and then set MWDMA or UDMA flag. ++ */ ++ ++static void hpt3x2n_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 addr1, addr2; ++ u32 reg; ++ u32 mode; ++ u8 fast; ++ ++ addr1 = 0x40 + 4 * (adev->devno + 2 * ap->hard_port_no); ++ addr2 = 0x51 + 4 * ap->hard_port_no; ++ ++ /* Fast interrupt prediction disable, hold off interrupt disable */ ++ pci_read_config_byte(pdev, addr2, &fast); ++ fast &= ~0x07; ++ pci_write_config_byte(pdev, addr2, fast); ++ ++ pci_read_config_dword(pdev, addr1, ®); ++ mode = hpt3x2n_find_mode(ap, adev->dma_mode); ++ mode |= 0x8000000; /* FIFO in MWDMA or UDMA */ ++ mode &= ~0xC0000000; /* Leave config bits alone */ ++ reg &= 0xC0000000; /* Strip timing bits */ ++ pci_write_config_dword(pdev, addr1, reg | mode); ++} ++ ++/** ++ * hpt3x2n_bmdma_end - DMA engine stop ++ * @qc: ATA command ++ * ++ * Clean up after the HPT3x2n and later DMA engine ++ */ ++ ++static void hpt3x2n_bmdma_stop(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int mscreg = 0x50 + 2 * ap->hard_port_no; ++ u8 bwsr_stat, msc_stat; ++ ++ pci_read_config_byte(pdev, 0x6A, &bwsr_stat); ++ pci_read_config_byte(pdev, mscreg, &msc_stat); ++ if (bwsr_stat & (1 << ap->hard_port_no)) ++ pci_write_config_byte(pdev, mscreg, msc_stat | 0x30); ++ ata_bmdma_stop(qc); ++} ++ ++/** ++ * hpt3x2n_set_clock - clock control ++ * @ap: ATA port ++ * @source: 0x21 or 0x23 for PLL or PCI sourced clock ++ * ++ * Switch the ATA bus clock between the PLL and PCI clock sources ++ * while correctly isolating the bus and resetting internal logic ++ * ++ * We must use the DPLL for ++ * - writing ++ * - second channel UDMA7 (SATA ports) or higher ++ * - 66MHz PCI ++ * ++ * or we will underclock the device and get reduced performance. ++ */ ++ ++static void hpt3x2n_set_clock(struct ata_port *ap, int source) ++{ ++ unsigned long bmdma = ap->ioaddr.bmdma_addr; ++ ++ /* Tristate the bus */ ++ outb(0x80, bmdma+0x73); ++ outb(0x80, bmdma+0x77); ++ ++ /* Switch clock and reset channels */ ++ outb(source, bmdma+0x7B); ++ outb(0xC0, bmdma+0x79); ++ ++ /* Reset state machines */ ++ outb(0x37, bmdma+0x70); ++ outb(0x37, bmdma+0x74); ++ ++ /* Complete reset */ ++ outb(0x00, bmdma+0x79); ++ ++ /* Reconnect channels to bus */ ++ outb(0x00, bmdma+0x73); ++ outb(0x00, bmdma+0x77); ++} ++ ++/* Check if our partner interface is busy */ ++ ++static int hpt3x2n_pair_idle(struct ata_port *ap) ++{ ++ struct ata_host_set *host = ap->host_set; ++ struct ata_port *pair = host->ports[ap->hard_port_no ^ 1]; ++ ++ if (pair->hsm_task_state == HSM_ST_IDLE) ++ return 1; ++ return 0; ++} ++ ++static int hpt3x2n_use_dpll(struct ata_port *ap, int reading) ++{ ++ long flags = (long)ap->host_set->private_data; ++ /* See if we should use the DPLL */ ++ if (reading == 0) ++ return USE_DPLL; /* Needed for write */ ++ if (flags & PCI66) ++ return USE_DPLL; /* Needed at 66Mhz */ ++ return 0; ++} ++ ++static int hpt3x2n_qc_issue_prot(struct ata_queued_cmd *qc) ++{ ++ struct ata_taskfile *tf = &qc->tf; ++ struct ata_port *ap = qc->ap; ++ int flags = (long)ap->host_set->private_data; ++ ++ if (hpt3x2n_pair_idle(ap)) { ++ int dpll = hpt3x2n_use_dpll(ap, (tf->flags & ATA_TFLAG_WRITE)); ++ if ((flags & USE_DPLL) != dpll) { ++ if (dpll == 1) ++ hpt3x2n_set_clock(ap, 0x21); ++ else ++ hpt3x2n_set_clock(ap, 0x23); ++ } ++ } ++ return ata_qc_issue_prot(qc); ++} ++ ++static struct scsi_host_template hpt3x2n_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++/* ++ * Configuration for HPT3x2n. ++ */ ++ ++static struct ata_port_operations hpt3x2n_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = hpt3x2n_set_piomode, ++ .set_dmamode = hpt3x2n_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = hpt3x2n_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = hpt3x2n_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = hpt3x2n_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * hpt3xn_calibrate_dpll - Calibrate the DPLL loop ++ * @dev: PCI device ++ * ++ * Perform a calibration cycle on the HPT3xN DPLL. Returns 1 if this ++ * succeeds ++ */ ++ ++static int hpt3xn_calibrate_dpll(struct pci_dev *dev) ++{ ++ u8 reg5b; ++ u32 reg5c; ++ int tries; ++ ++ for(tries = 0; tries < 0x5000; tries++) { ++ udelay(50); ++ pci_read_config_byte(dev, 0x5b, ®5b); ++ if (reg5b & 0x80) { ++ /* See if it stays set */ ++ for(tries = 0; tries < 0x1000; tries ++) { ++ pci_read_config_byte(dev, 0x5b, ®5b); ++ /* Failed ? */ ++ if ((reg5b & 0x80) == 0) ++ return 0; ++ } ++ /* Turn off tuning, we have the DPLL set */ ++ pci_read_config_dword(dev, 0x5c, ®5c); ++ pci_write_config_dword(dev, 0x5c, reg5c & ~ 0x100); ++ return 1; ++ } ++ } ++ /* Never went stable */ ++ return 0; ++} ++ ++static int hpt3x2n_pci_clock(struct pci_dev *pdev) ++{ ++ unsigned long freq; ++ u32 fcnt; ++ ++ pci_read_config_dword(pdev, 0x70/*CHECKME*/, &fcnt); ++ if ((fcnt >> 12) != 0xABCDE) { ++ printk(KERN_WARNING "hpt3xn: BIOS clock data not set.\n"); ++ return 33; /* Not BIOS set */ ++ } ++ fcnt &= 0x1FF; ++ ++ freq = (fcnt * 77) / 192; ++ ++ /* Clamp to bands */ ++ if (freq < 40) ++ return 33; ++ if (freq < 45) ++ return 40; ++ if (freq < 55) ++ return 50; ++ return 66; ++} ++ ++/** ++ * hpt3x2n_init_one - Initialise an HPT37X/302 ++ * @dev: PCI device ++ * @id: Entry in match table ++ * ++ * Initialise an HPT3x2n device. There are some interesting complications ++ * here. Firstly the chip may report 366 and be one of several variants. ++ * Secondly all the timings depend on the clock for the chip which we must ++ * detect and look up ++ * ++ * This is the known chip mappings. It may be missing a couple of later ++ * releases. ++ * ++ * Chip version PCI Rev Notes ++ * HPT372 4 (HPT366) 5 Other driver ++ * HPT372N 4 (HPT366) 6 UDMA133 ++ * HPT372 5 (HPT372) 1 Other driver ++ * HPT372N 5 (HPT372) 2 UDMA133 ++ * HPT302 6 (HPT302) * Other driver ++ * HPT302N 6 (HPT302) > 1 UDMA133 ++ * HPT371 7 (HPT371) * Other driver ++ * HPT371N 7 (HPT371) > 1 UDMA133 ++ * HPT374 8 (HPT374) * Other driver ++ * HPT372N 9 (HPT372N) * UDMA133 ++ * ++ * (1) UDMA133 support depends on the bus clock ++ * ++ * To pin down HPT371N ++ */ ++ ++static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ /* HPT372N and friends - UDMA133 */ ++ static struct ata_port_info info = { ++ .sht = &hpt3x2n_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x7f, ++ .port_ops = &hpt3x2n_port_ops ++ }; ++ struct ata_port_info *port_info[2]; ++ struct ata_port_info *port = &info; ++ ++ u8 irqmask; ++ u32 class_rev; ++ ++ unsigned int pci_mhz; ++ unsigned int f_low, f_high; ++ int adjust; ++ ++ pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev); ++ class_rev &= 0xFF; ++ ++ switch(dev->device) { ++ case PCI_DEVICE_ID_TTI_HPT366: ++ if (class_rev < 6) ++ return -ENODEV; ++ break; ++ case PCI_DEVICE_ID_TTI_HPT372: ++ /* 372N if rev >= 1*/ ++ if (class_rev == 0) ++ return -ENODEV; ++ break; ++ case PCI_DEVICE_ID_TTI_HPT302: ++ if (class_rev < 2) ++ return -ENODEV; ++ break; ++ case PCI_DEVICE_ID_TTI_HPT372N: ++ break; ++ default: ++ printk(KERN_ERR "pata_hpt3x2n: PCI table is bogus please report (%d).\n", dev->device); ++ return -ENODEV; ++ } ++ ++ /* Ok so this is a chip we support */ ++ ++ pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4)); ++ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x78); ++ pci_write_config_byte(dev, PCI_MIN_GNT, 0x08); ++ pci_write_config_byte(dev, PCI_MAX_LAT, 0x08); ++ ++ pci_read_config_byte(dev, 0x5A, &irqmask); ++ irqmask &= ~0x10; ++ pci_write_config_byte(dev, 0x5a, irqmask); ++ ++ /* Tune the PLL. HPT recommend using 75 for SATA, 66 for UDMA133 or ++ 50 for UDMA100. Right now we always use 66 */ ++ ++ pci_mhz = hpt3x2n_pci_clock(dev); ++ ++ f_low = (pci_mhz * 48) / 66; /* PCI Mhz for 66Mhz DPLL */ ++ f_high = f_low + 2; /* Tolerance */ ++ ++ pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low | 0x100); ++ /* PLL clock */ ++ pci_write_config_byte(dev, 0x5B, 0x21); ++ ++ /* Unlike the 37x we don't try jiggling the frequency */ ++ for(adjust = 0; adjust < 8; adjust++) { ++ if (hpt3xn_calibrate_dpll(dev)) ++ break; ++ pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low); ++ } ++ if (adjust == 8) ++ printk(KERN_WARNING "hpt3xn: DPLL did not stabilize.\n"); ++ ++ /* Set our private data up. We only need a few flags so we use ++ it directly */ ++ port->private_data = NULL; ++ if (pci_mhz > 60) ++ port->private_data = (void *)PCI66; ++ ++ /* Now kick off ATA set up */ ++ port_info[0] = port_info[1] = port; ++ return ata_pci_init_one(dev, port_info, 2); ++} ++ ++static struct pci_device_id hpt3x2n[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT366), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT372), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT302), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT372N), }, ++ { 0, }, ++}; ++ ++static struct pci_driver hpt3x2n_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = hpt3x2n, ++ .probe = hpt3x2n_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init hpt3x2n_init(void) ++{ ++ return pci_register_driver(&hpt3x2n_pci_driver); ++} ++ ++ ++static void __exit hpt3x2n_exit(void) ++{ ++ pci_unregister_driver(&hpt3x2n_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for the Highpoint HPT3x2n/30x"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, hpt3x2n); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(hpt3x2n_init); ++module_exit(hpt3x2n_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_isapnp.c linux-2.6.16-rc4/drivers/scsi/pata_isapnp.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_isapnp.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_isapnp.c 2006-01-21 16:52:31.000000000 +0000 +@@ -0,0 +1,151 @@ ++ ++/* ++ * pata-isapnp.c - ISA PnP PATA controller driver. ++ * Copyright 2005/2006 Red Hat Inc <alan@redhat.com>, all rights reserved. ++ * ++ * Based in part on ide-pnp.c by Andrey Panin <pazke@donpac.ru> ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/isapnp.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/ata.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_isapnp" ++#define DRV_VERSION "0.1" ++ ++static struct scsi_host_template isapnp_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations isapnp_port_ops = { ++ .port_disable = ata_port_disable, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * isapnp_init_one - attach an isapnp interface ++ * @idev: PnP device ++ * @dev_id: matching detect line ++ * ++ * Register an ISA bus IDE interface. Such interfaces are PIO 0 and ++ * non shared IRQ. ++ */ ++ ++static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev_id) ++{ ++ struct ata_probe_ent ae; ++ ++ if (pnp_port_valid(idev, 0) == 0) ++ return -ENODEV; ++ if (pnp_port_valid(idev, 1) == 0) ++ return -ENODEV; ++ ++ /* FIXME: Should selected polled PIO here not fail */ ++ if (pnp_irq_valid(idev, 0) == 0) ++ return -ENODEV; ++ ++ memset(&ae, 0, sizeof(struct ata_probe_ent)); ++ INIT_LIST_HEAD(&ae.node); ++ ae.dev = &idev->dev; ++ ae.port_ops = &isapnp_port_ops; ++ ae.sht = &isapnp_sht; ++ ae.n_ports = 1; ++ ae.pio_mask = 1; /* ISA so PIO 0 cycles */ ++ ae.irq = pnp_irq(idev, 0); ++ ae.irq_flags = 0; ++ ae.host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_IRQ_MASK; ++ ae.port[0].cmd_addr = pnp_port_start(idev, 0); ++ ae.port[0].altstatus_addr = pnp_port_start(idev, 1); ++ ae.port[0].ctl_addr = pnp_port_start(idev, 1); ++ ata_std_ports(&ae.port[0]); ++ ++ if (ata_device_add(&ae) == 0) ++ return -ENODEV; ++ return 0; ++} ++ ++/** ++ * isapnp_remove_one - unplug an isapnp interface ++ * @idev: PnP device ++ * ++ * Remove a previously configured PnP ATA port. Called only on module ++ * unload events as the core does not currently deal with ISAPnP docking. ++ */ ++ ++static void isapnp_remove_one(struct pnp_dev *idev) ++{ ++ struct device *dev = &idev->dev; ++ struct ata_host_set *host_set = dev_get_drvdata(dev); ++ ++ ata_host_set_remove(host_set); ++ dev_set_drvdata(dev, NULL); ++} ++ ++static struct pnp_device_id isapnp_devices[] = { ++ /* Generic ESDI/IDE/ATA compatible hard disk controller */ ++ {.id = "PNP0600", .driver_data = 0}, ++ {.id = ""} ++}; ++ ++static struct pnp_driver isapnp_driver = { ++ .name = DRV_NAME, ++ .id_table = isapnp_devices, ++ .probe = isapnp_init_one, ++ .remove = isapnp_remove_one, ++}; ++ ++static int __init isapnp_init(void) ++{ ++ return pnp_register_driver(&isapnp_driver); ++} ++ ++static void __exit isapnp_exit(void) ++{ ++ pnp_unregister_driver(&isapnp_driver); ++} ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for ISA PnP ATA"); ++MODULE_LICENSE("GPL"); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(isapnp_init); ++module_exit(isapnp_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_it8172.c linux-2.6.16-rc4/drivers/scsi/pata_it8172.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_it8172.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_it8172.c 2006-02-16 15:39:11.000000000 +0000 +@@ -0,0 +1,280 @@ ++/* ++ * pata_it8172.c - IT8172 PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * Based heavily on ++ * ++ * BRIEF MODULE DESCRIPTION ++ * IT8172 IDE controller support ++ * ++ * Copyright 2000 MontaVista Software Inc. ++ * Author: MontaVista Software, Inc. ++ * stevel@mvista.com or source@mvista.com ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ * ++ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED ++ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF ++ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN ++ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, ++ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT ++ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF ++ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ++ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ++ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF ++ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ++ * ++ * You should have received a copy of the GNU General Public License along ++ * with this program; if not, write to the Free Software Foundation, Inc., ++ * 675 Mass Ave, Cambridge, MA 02139, USA. ++ * ++ * TODO ++ * Check for errata ++ * See if we really need to force native mode ++ * PIO timings (also lacking in original) ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "it8172" ++#define DRV_VERSION "0.1.1" ++ ++static void it8172_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static struct pci_bits it8172_enable_bits[] = { ++ { 0x00, 0, 0x00, 0x00 }, ++ { 0x40, 1, 0x00, 0x01 } ++ }; ++ ++ if (ap->hard_port_no && !pci_test_config_bits(pdev, &it8172_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * it8172_set_pio_timing - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called by both the pio and dma setup functions to set the controller ++ * timings for PIO transfers. We must load both the mode number and ++ * timing values into the controller. ++ */ ++ ++static void it8172_set_pio_timing(struct ata_port *ap, struct ata_device *adev, int pio) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u16 reg40; ++ ++ pci_read_config_word(pdev, 0x40, ®40); ++ ++ /* ++ * FIX! The DIOR/DIOW pulse width and recovery times in port 0x44 ++ * are being left at the default values of 8 PCI clocks (242 nsec ++ * for a 33 MHz clock). These can be safely shortened at higher ++ * PIO modes. The DIOR/DIOW pulse width and recovery times only ++ * apply to PIO modes, not to the DMA modes. ++ */ ++ ++ /* ++ * Enable port 0x44. The IT8172G spec is confused; it calls ++ * this register the "Slave IDE Timing Register", but in fact, ++ * it controls timing for both master and slave drives. ++ */ ++ ++ reg40 |= 0x4000; ++ if (adev->devno) { ++ reg40 |= 0xC006; ++ if (pio > 1) ++ /* Enable prefetch and IORDY sample-point */ ++ reg40 |= 0x0060; ++ } else { ++ reg40 |= 0xC060; ++ if (pio > 1) ++ /* Enable prefetch and IORDY sample-point */ ++ reg40 |= 0x0006; ++ } ++ /* Write back the enables */ ++ pci_write_config_word(pdev, 0x40, reg40); ++} ++ ++/** ++ * it8172_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the PIO mode setup. We use a shared helper for this ++ * as the DMA setup must also adjust the PIO timing information. ++ */ ++ ++static void it8172_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ it8172_set_pio_timing(ap, adev, adev->pio_mode - XFER_PIO_0); ++} ++ ++/** ++ * it8172_set_dmamode - set initial DMA mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the DMA mode setup. We must tune an appropriate PIO ++ * mode to match. ++ */ ++ ++static void it8172_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int dn = (2 * ap->hard_port_no) + adev->devno; ++ u8 reg48, reg4a; ++ int pio; ++ ++ static int pio_map[] = { 1, 3, 4}; ++ /* ++ * Setting the DMA cycle time to 2 or 3 PCI clocks (60 and 91 nsec ++ * at 33 MHz PCI clock) seems to cause BadCRC errors during DMA ++ * transfers on some drives, even though both numbers meet the minimum ++ * ATAPI-4 spec of 73 and 54 nsec for UDMA 1 and 2 respectively. ++ * So the faster times are just commented out here. The good news is ++ * that the slower cycle time has very little affect on transfer ++ * performance. ++ */ ++ ++ pci_read_config_byte(pdev, 0x48, ®48); ++ pci_read_config_byte(pdev, 0x4A, ®4a); ++ ++ reg4a &= ~(3 << (4 * dn)); ++ ++ if (adev->dma_mode >= XFER_UDMA_0) { ++ reg48 |= 1 << dn; ++#ifdef UDMA_TIMING_SET ++ reg4a |= ((adev->dma_mode - XFER_UDMA_0) << (4 * dn)); ++#endif ++ pio = 4; ++ } else { ++ pio = pio_map[adev->dma_mode - XFER_MW_DMA_0]; ++ reg48 &= ~ (1 << dn); ++ } ++ pci_write_config_byte(pdev, 0x48, reg48); ++ pci_write_config_byte(pdev, 0x4A, reg4a); ++ it8172_set_pio_timing(ap, adev, pio); ++ ++} ++ ++static struct scsi_host_template it8172_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations it8172_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = it8172_set_piomode, ++ .set_dmamode = it8172_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = it8172_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int it8172_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info = { ++ .sht = &it8172_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x06, /* No MWDMA0 support */ ++ .udma_mask = 0x7, ++ .port_ops = &it8172_port_ops ++ }; ++ static struct ata_port_info *port_info[2] = { &info, &info }; ++ ++ if ((!(PCI_FUNC(dev->devfn) & 1) || ++ (!((dev->class >> 8) == PCI_CLASS_STORAGE_IDE)))) ++ return -ENODEV; /* IT8172 is more than an IDE controller */ ++ ++ return ata_pci_init_one(dev, port_info, 2); ++} ++ ++static struct pci_device_id it8172[] = { ++ { PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_IT8172G, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { 0, }, ++}; ++ ++static struct pci_driver it8172_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = it8172, ++ .probe = it8172_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init it8172_init(void) ++{ ++ return pci_register_driver(&it8172_pci_driver); ++} ++ ++ ++static void __exit it8172_exit(void) ++{ ++ pci_unregister_driver(&it8172_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for ITE IT8172"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, it8172); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(it8172_init); ++module_exit(it8172_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_it821x.c linux-2.6.16-rc4/drivers/scsi/pata_it821x.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_it821x.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_it821x.c 2006-02-20 12:27:55.000000000 +0000 +@@ -0,0 +1,743 @@ ++/* ++ * ata-it821x.c - IT821x PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * based upon ++ * ++ * it821x.c ++ * ++ * linux/drivers/ide/pci/it821x.c Version 0.09 December 2004 ++ * ++ * Copyright (C) 2004 Red Hat <alan@redhat.com> ++ * ++ * May be copied or modified under the terms of the GNU General Public License ++ * Based in part on the ITE vendor provided SCSI driver. ++ * ++ * Documentation available from ++ * http://www.ite.com.tw/pc/IT8212F_V04.pdf ++ * Some other documents are NDA. ++ * ++ * The ITE8212 isn't exactly a standard IDE controller. It has two ++ * modes. In pass through mode then it is an IDE controller. In its smart ++ * mode its actually quite a capable hardware raid controller disguised ++ * as an IDE controller. Smart mode only understands DMA read/write and ++ * identify, none of the fancier commands apply. The IT8211 is identical ++ * in other respects but lacks the raid mode. ++ * ++ * Errata: ++ * o Rev 0x10 also requires master/slave hold the same DMA timings and ++ * cannot do ATAPI MWDMA. ++ * o The identify data for raid volumes lacks CHS info (technically ok) ++ * but also fails to set the LBA28 and other bits. We fix these in ++ * the IDE probe quirk code. ++ * o If you write LBA48 sized I/O's (ie > 256 sector) in smart mode ++ * raid then the controller firmware dies ++ * o Smart mode without RAID doesn't clear all the necessary identify ++ * bits to reduce the command set to the one used ++ * ++ * This has a few impacts on the driver ++ * - In pass through mode we do all the work you would expect ++ * - In smart mode the clocking set up is done by the controller generally ++ * but we must watch the other limits and filter. ++ * - There are a few extra vendor commands that actually talk to the ++ * controller but only work PIO with no IRQ. ++ * ++ * Vendor areas of the identify block in smart mode are used for the ++ * timing and policy set up. Each HDD in raid mode also has a serial ++ * block on the disk. The hardware extra commands are get/set chip status, ++ * rebuild, get rebuild status. ++ * ++ * In Linux the driver supports pass through mode as if the device was ++ * just another IDE controller. If the smart mode is running then ++ * volumes are managed by the controller firmware and each IDE "disk" ++ * is a raid volume. Even more cute - the controller can do automated ++ * hotplug and rebuild. ++ * ++ * The pass through controller itself is a little demented. It has a ++ * flaw that it has a single set of PIO/MWDMA timings per channel so ++ * non UDMA devices restrict each others performance. It also has a ++ * single clock source per channel so mixed UDMA100/133 performance ++ * isn't perfect and we have to pick a clock. Thankfully none of this ++ * matters in smart mode. ATAPI DMA is not currently supported. ++ * ++ * It seems the smart mode is a win for RAID1/RAID10 but otherwise not. ++ * ++ * TODO ++ * - ATAPI and other speed filtering ++ * - Command filter in smart mode ++ * - RAID configuration ioctls ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++ ++#define DRV_NAME "it821x" ++#define DRV_VERSION "0.2.1" ++ ++struct it821x_dev ++{ ++ unsigned int smart:1, /* Are we in smart raid mode */ ++ timing10:1; /* Rev 0x10 */ ++ u8 clock_mode; /* 0, ATA_50 or ATA_66 */ ++ u8 want[2][2]; /* Mode/Pri log for master slave */ ++ /* We need these for switching the clock when DMA goes on/off ++ The high byte is the 66Mhz timing */ ++ u16 pio[2]; /* Cached PIO values */ ++ u16 mwdma[2]; /* Cached MWDMA values */ ++ u16 udma[2]; /* Cached UDMA values (per drive) */ ++ u16 last_device; /* Master or slave loaded ? */ ++}; ++ ++#define ATA_66 0 ++#define ATA_50 1 ++#define ATA_ANY 2 ++ ++#define UDMA_OFF 0 ++#define MWDMA_OFF 0 ++ ++/* ++ * We allow users to force the card into non raid mode without ++ * flashing the alternative BIOS. This is also neccessary right now ++ * for embedded platforms that cannot run a PC BIOS but are using this ++ * device. ++ */ ++ ++static int it8212_noraid; ++ ++ ++/** ++ * it821x_phy_reset - probe/reset ++ * @ap: ATA port ++ * ++ * Set the cable type and trigger a probe ++ */ ++ ++static void it821x_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = ATA_CBL_PATA80; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * it821x_program - program the PIO/MWDMA registers ++ * @ap: ATA port ++ * @adev: Device to program ++ * @timing: Timing value (66Mhz in top 8bits, 50 in the low 8) ++ * ++ * Program the PIO/MWDMA timing for this channel according to the ++ * current clock. These share the same register so are managed by ++ * the DMA start/stop sequence as with the old driver. ++ */ ++ ++static void it821x_program(struct ata_port *ap, struct ata_device *adev, u16 timing) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ struct it821x_dev *itdev = ap->private_data; ++ int channel = ap->hard_port_no; ++ u8 conf; ++ ++ /* Program PIO/MWDMA timing bits */ ++ if (itdev->clock_mode == ATA_66) ++ conf = timing >> 8; ++ else ++ conf = timing & 0xFF; ++ pci_write_config_byte(pdev, 0x54 + 4 * channel, conf); ++} ++ ++ ++/** ++ * it821x_program_udma - program the UDMA registers ++ * @ap: ATA port ++ * @adev: ATA device to update ++ * @timing: Timing bits. Top 8 are for 66Mhz bottom for 50Mhz ++ * ++ * Program the UDMA timing for this drive according to the ++ * current clock. Handles the dual clocks and also knows about ++ * the errata on the 0x10 revision. The UDMA errata is partly handled ++ * here and partly in start_dma. ++ */ ++ ++static void it821x_program_udma(struct ata_port *ap, struct ata_device *adev, u16 timing) ++{ ++ struct it821x_dev *itdev = ap->private_data; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int channel = ap->hard_port_no; ++ int unit = adev->devno; ++ u8 conf; ++ ++ /* Program UDMA timing bits */ ++ if (itdev->clock_mode == ATA_66) ++ conf = timing >> 8; ++ else ++ conf = timing & 0xFF; ++ if (itdev->timing10 == 0) ++ pci_write_config_byte(pdev, 0x56 + 4 * channel + unit, conf); ++ else { ++ /* Early revision must be programmed for both together */ ++ pci_write_config_byte(pdev, 0x56 + 4 * channel, conf); ++ pci_write_config_byte(pdev, 0x56 + 4 * channel + 1, conf); ++ } ++} ++ ++/** ++ * it821x_clock_strategy ++ * @ap: ATA interface ++ * @adev: ATA device being updated ++ * ++ * Select between the 50 and 66Mhz base clocks to get the best ++ * results for this interface. ++ */ ++ ++static void it821x_clock_strategy(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ struct it821x_dev *itdev = ap->private_data; ++ u8 unit = adev->devno; ++ struct ata_device *pair = ata_dev_pair(ap, adev); ++ ++ int clock, altclock; ++ u8 v; ++ int sel = 0; ++ ++ /* Look for the most wanted clocking */ ++ if (itdev->want[0][0] > itdev->want[1][0]) { ++ clock = itdev->want[0][1]; ++ altclock = itdev->want[1][1]; ++ } else { ++ clock = itdev->want[1][1]; ++ altclock = itdev->want[0][1]; ++ } ++ ++ /* Master doesn't care does the slave ? */ ++ if (clock == ATA_ANY) ++ clock = altclock; ++ ++ /* Nobody cares - keep the same clock */ ++ if (clock == ATA_ANY) ++ return; ++ /* No change */ ++ if (clock == itdev->clock_mode) ++ return; ++ ++ /* Load this into the controller ? */ ++ if (clock == ATA_66) ++ itdev->clock_mode = ATA_66; ++ else { ++ itdev->clock_mode = ATA_50; ++ sel = 1; ++ } ++ pci_read_config_byte(pdev, 0x50, &v); ++ v &= ~(1 << (1 + ap->hard_port_no)); ++ v |= sel << (1 + ap->hard_port_no); ++ pci_write_config_byte(pdev, 0x50, v); ++ ++ /* ++ * Reprogram the UDMA/PIO of the pair drive for the switch ++ * MWDMA will be dealt with by the dma switcher ++ */ ++ if (pair && itdev->udma[1-unit] != UDMA_OFF) { ++ it821x_program_udma(ap, pair, itdev->udma[1-unit]); ++ it821x_program(ap, pair, itdev->pio[1-unit]); ++ } ++ /* ++ * Reprogram the UDMA/PIO of our drive for the switch. ++ * MWDMA will be dealt with by the dma switcher ++ */ ++ if (itdev->udma[unit] != UDMA_OFF) { ++ it821x_program_udma(ap, adev, itdev->udma[unit]); ++ it821x_program(ap, adev, itdev->pio[unit]); ++ } ++} ++ ++/** ++ * it821x_passthru_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Configure for PIO mode. This is complicated as the register is ++ * shared by PIO and MWDMA and for both channels. ++ */ ++ ++static void it821x_passthru_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ /* Spec says 89 ref driver uses 88 */ ++ static u16 pio[] = { 0xAA88, 0xA382, 0xA181, 0x3332, 0x3121 }; ++ static u8 pio_want[] = { ATA_66, ATA_66, ATA_66, ATA_66, ATA_ANY }; ++ ++ struct it821x_dev *itdev = ap->private_data; ++ int unit = adev->devno; ++ int mode_wanted = adev->pio_mode - XFER_PIO_0; ++ ++ /* We prefer 66Mhz clock for PIO 0-3, don't care for PIO4 */ ++ itdev->want[unit][1] = pio_want[mode_wanted]; ++ itdev->want[unit][0] = 1; /* PIO is lowest priority */ ++ itdev->pio[unit] = pio[mode_wanted]; ++ it821x_clock_strategy(ap, adev); ++ it821x_program(ap, adev, itdev->pio[unit]); ++} ++ ++/** ++ * it821x_passthru_set_dmamode - set initial DMA mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Set up the DMA modes. The actions taken depend heavily on the mode ++ * to use. If UDMA is used as is hopefully the usual case then the ++ * timing register is private and we need only consider the clock. If ++ * we are using MWDMA then we have to manage the setting ourself as ++ * we switch devices and mode. ++ */ ++ ++static void it821x_passthru_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static u16 dma[] = { 0x8866, 0x3222, 0x3121 }; ++ static u8 mwdma_want[] = { ATA_ANY, ATA_66, ATA_ANY }; ++ static u16 udma[] = { 0x4433, 0x4231, 0x3121, 0x2121, 0x1111, 0x2211, 0x1111 }; ++ static u8 udma_want[] = { ATA_ANY, ATA_50, ATA_ANY, ATA_66, ATA_66, ATA_50, ATA_66 }; ++ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ struct it821x_dev *itdev = ap->private_data; ++ int channel = ap->hard_port_no; ++ int unit = adev->devno; ++ u8 conf; ++ ++ if (adev->dma_mode >= XFER_UDMA_0) { ++ int mode_wanted = adev->dma_mode - XFER_UDMA_0; ++ ++ itdev->want[unit][1] = udma_want[mode_wanted]; ++ itdev->want[unit][0] = 3; /* UDMA is high priority */ ++ itdev->mwdma[unit] = MWDMA_OFF; ++ itdev->udma[unit] = udma[mode_wanted]; ++ if (mode_wanted >= 5) ++ itdev->udma[unit] |= 0x8080; /* UDMA 5/6 select on */ ++ ++ /* UDMA on. Again revision 0x10 must do the pair */ ++ pci_read_config_byte(pdev, 0x50, &conf); ++ if (itdev->timing10) ++ conf &= channel ? 0x9F: 0xE7; ++ else ++ conf &= ~ (1 << (3 + 2 * channel + unit)); ++ pci_write_config_byte(pdev, 0x50, conf); ++ it821x_clock_strategy(ap, adev); ++ it821x_program_udma(ap, adev, itdev->udma[unit]); ++ } else { ++ int mode_wanted = adev->dma_mode - XFER_UDMA_0; ++ ++ itdev->want[unit][1] = mwdma_want[mode_wanted]; ++ itdev->want[unit][0] = 2; /* MWDMA is low priority */ ++ itdev->mwdma[unit] = dma[mode_wanted]; ++ itdev->udma[unit] = UDMA_OFF; ++ ++ /* UDMA bits off - Revision 0x10 do them in pairs */ ++ pci_read_config_byte(pdev, 0x50, &conf); ++ if (itdev->timing10) ++ conf |= channel ? 0x60: 0x18; ++ else ++ conf |= 1 << (3 + 2 * channel + unit); ++ pci_write_config_byte(pdev, 0x50, conf); ++ it821x_clock_strategy(ap, adev); ++ } ++} ++ ++/** ++ * it821x_passthru_dma_start - DMA start callback ++ * @qc: Command in progress ++ * ++ * Usually drivers set the DMA timing at the point the set_dmamode call ++ * is made. IT821x however requires we load new timings on the ++ * transitions in some cases. ++ */ ++ ++static void it821x_passthru_bmdma_start(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct ata_device *adev = qc->dev; ++ struct it821x_dev *itdev = ap->private_data; ++ int unit = adev->devno; ++ ++ if (itdev->mwdma[unit] != MWDMA_OFF) ++ it821x_program(ap, adev, itdev->mwdma[unit]); ++ else if (itdev->udma[unit] != UDMA_OFF && itdev->timing10) ++ it821x_program_udma(ap, adev, itdev->udma[unit]); ++ ata_bmdma_start(qc); ++} ++ ++/** ++ * it821x_passthru_dma_stop - DMA stop callback ++ * @qc: ATA command ++ * ++ * We loaded new timings in dma_start, as a result we need to restore ++ * the PIO timings in dma_stop so that the next command issue gets the ++ * right clock values. ++ */ ++ ++static void it821x_passthru_bmdma_stop(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct ata_device *adev = qc->dev; ++ struct it821x_dev *itdev = ap->private_data; ++ int unit = adev->devno; ++ ++ ata_bmdma_stop(qc); ++ if (itdev->mwdma[unit] != MWDMA_OFF) ++ it821x_program(ap, adev, itdev->pio[unit]); ++} ++ ++ ++/** ++ * it821x_passthru_dev_select - Select master/slave ++ * @ap: ATA port ++ * @device: Device number (not pointer) ++ * ++ * Device selection hook. If neccessary perform clock switching ++ */ ++ ++void it821x_passthru_dev_select(struct ata_port *ap, unsigned int device) ++{ ++ struct it821x_dev *itdev = ap->private_data; ++ if (itdev && device != itdev->last_device) { ++ struct ata_device *adev = &ap->device[device]; ++ it821x_program(ap, adev, itdev->pio[adev->devno]); ++ itdev->last_device = device; ++ } ++} ++ ++/** ++ * it821x_passthru_qc_issue_prot - wrap qc issue prot ++ * @qc: command ++ * ++ * Wrap the command issue sequence for the IT821x. We need to ++ * perform out own device selection timing loads before the ++ * usual happenings kick off ++ */ ++ ++static int it821x_passthru_qc_issue_prot(struct ata_queued_cmd *qc) ++{ ++ it821x_passthru_dev_select(qc->ap, qc->dev->devno); ++ return ata_qc_issue_prot(qc); ++} ++ ++/** ++ * it821x_smart_set_mode - mode setting ++ * @ap: interface to set up ++ * ++ * Use a non standard set_mode function. We don't want to be tuned. ++ * The BIOS configured everything. Our job is not to fiddle. We ++ * read the dma enabled bits from the PCI configuration of the device ++ * and respect them. ++ */ ++ ++static void it821x_smart_set_mode(struct ata_port *ap) ++{ ++ int dma_enabled; ++ int i; ++ ++ /* Bits 5 and 6 indicate if DMA is active on master/slave */ ++ dma_enabled = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); ++ ++ for (i = 0; i < ATA_MAX_DEVICES; i++) { ++ struct ata_device *dev = &ap->device[i]; ++ if (ata_dev_present(dev)) { ++ /* We don't really care */ ++ dev->pio_mode = XFER_PIO_0; ++ dev->dma_mode = XFER_MW_DMA_0; ++ /* We do need the right mode information for DMA or PIO ++ and this comes from the current configuration flags */ ++ if (dma_enabled & (1 << (5 + i))) { ++ dev->xfer_mode = XFER_MW_DMA_0; ++ dev->xfer_shift = ATA_SHIFT_MWDMA; ++ dev->flags &= ~ATA_DFLAG_PIO; ++ } else { ++ dev->xfer_mode = XFER_PIO_0; ++ dev->xfer_shift = ATA_SHIFT_PIO; ++ dev->flags |= ATA_DFLAG_PIO; ++ } ++ /* Keep sector count safe (LBA48 counts blow the ++ brains of the firmware) */ ++ ++ /* Do we need a dev_config method ? */ ++ dev->flags |= ATA_DFLAG_LOCK_SECTORS; ++ } ++ } ++} ++ ++/** ++ * it821x_check_atapi_dma - ATAPI DMA handler ++ * @qc: Command we are about to issue ++ * ++ * Decide if this ATAPI command can be issued by DMA on this ++ * controller. Return 0 if it can be. ++ */ ++ ++static int it821x_check_atapi_dma(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct it821x_dev *itdev = ap->private_data; ++ ++ /* No ATAPI DMA in smart mode */ ++ if (itdev->smart) ++ return -EOPNOTSUPP; ++ /* No ATAPI DMA on rev 10 */ ++ if (itdev->timing10) ++ return -EOPNOTSUPP; ++ /* Cool */ ++ return 0; ++} ++ ++ ++/** ++ * it821x_port_start - port setup ++ * @ap: ATA port being set up ++ * ++ * The it821x needs to maintain private data structures and also to ++ * use the standard PCI interface which lacks support for this ++ * functionality. We instead set up the private data on the port ++ * start hook, and tear it down on port stop ++ */ ++ ++static int it821x_port_start(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ struct it821x_dev *itdev; ++ u8 conf; ++ ++ int ret = ata_port_start(ap); ++ if (ret < 0) ++ return ret; ++ ++ ap->private_data = kmalloc(sizeof(struct it821x_dev), GFP_KERNEL); ++ if (ap->private_data == NULL) { ++ ata_port_stop(ap); ++ return -ENOMEM; ++ } ++ ++ itdev = ap->private_data; ++ memset(itdev, 0, sizeof(struct it821x_dev)); ++ ++ pci_read_config_byte(pdev, 0x50, &conf); ++ ++ if (conf & 1) { ++ itdev->smart = 1; ++ /* Long I/O's although allowed in LBA48 space cause the ++ onboard firmware to enter the twighlight zone */ ++ /* No ATAPI DMA in this mode either */ ++ } ++ /* Pull the current clocks from 0x50 */ ++ if (conf & (1 << (1 + ap->hard_port_no))) ++ itdev->clock_mode = ATA_50; ++ else ++ itdev->clock_mode = ATA_66; ++ ++ itdev->want[0][1] = ATA_ANY; ++ itdev->want[1][1] = ATA_ANY; ++ itdev->last_device = -1; ++ ++ pci_read_config_byte(pdev, PCI_REVISION_ID, &conf); ++ if (conf == 0x10) { ++ itdev->timing10 = 1; ++ /* Need to disable ATAPI DMA for this case */ ++ if (!itdev->smart) ++ printk(KERN_WARNING DRV_NAME": Revision 0x10, workarounds activated.\n"); ++ } ++ ++ return 0; ++} ++ ++/** ++ * it821x_port_stop - port shutdown ++ * @ap: ATA port being removed ++ * ++ * Release the private objects we added in it821x_port_start ++ */ ++ ++static void it821x_port_stop(struct ata_port *ap) { ++ kfree(ap->private_data); ++ ap->private_data = NULL; /* We want an OOPS if we reuse this ++ too late! */ ++ ata_port_stop(ap); ++} ++ ++static struct scsi_host_template it821x_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ /* 255 sectors to begin with. This is locked in smart mode but not ++ in pass through */ ++ .max_sectors = 255, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations it821x_smart_port_ops = { ++ .set_mode = it821x_smart_set_mode, ++ .port_disable = ata_port_disable, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .check_atapi_dma= it821x_check_atapi_dma, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = it821x_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = it821x_port_start, ++ .port_stop = it821x_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static struct ata_port_operations it821x_passthru_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = it821x_passthru_set_piomode, ++ .set_dmamode = it821x_passthru_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .check_atapi_dma= it821x_check_atapi_dma, ++ .dev_select = it821x_passthru_dev_select, ++ ++ .phy_reset = it821x_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = it821x_passthru_bmdma_start, ++ .bmdma_stop = it821x_passthru_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = it821x_passthru_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ .irq_handler = ata_interrupt, ++ .port_start = it821x_port_start, ++ .port_stop = it821x_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static void __devinit it821x_disable_raid(struct pci_dev *pdev) ++{ ++ /* Reset local CPU, and set BIOS not ready */ ++ pci_write_config_byte(pdev, 0x5E, 0x01); ++ ++ /* Set to bypass mode, and reset PCI bus */ ++ pci_write_config_byte(pdev, 0x50, 0x00); ++ pci_write_config_word(pdev, PCI_COMMAND, ++ PCI_COMMAND_PARITY | PCI_COMMAND_IO | ++ PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); ++ pci_write_config_word(pdev, 0x40, 0xA0F3); ++ ++ pci_write_config_dword(pdev,0x4C, 0x02040204); ++ pci_write_config_byte(pdev, 0x42, 0x36); ++ pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0); ++} ++ ++ ++static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ++{ ++ u8 conf; ++ ++ static struct ata_port_info info_smart = { ++ .sht = &it821x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .port_ops = &it821x_smart_port_ops ++ }; ++ static struct ata_port_info info_passthru = { ++ .sht = &it821x_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x7f, ++ .port_ops = &it821x_passthru_port_ops ++ }; ++ static struct ata_port_info *port_info[2]; ++ ++ static char *mode[2] = { "pass through", "smart" }; ++ ++ /* Force the card into bypass mode if so requested */ ++ if (it8212_noraid) { ++ printk(KERN_INFO DRV_NAME ": forcing bypass mode.\n"); ++ it821x_disable_raid(pdev); ++ } ++ pci_read_config_byte(pdev, 0x50, &conf); ++ conf &= 1; ++ ++ printk(KERN_INFO DRV_NAME ": controller in %s mode.\n", mode[conf]); ++ if (conf == 0) ++ port_info[0] = port_info[1] = &info_passthru; ++ else ++ port_info[0] = port_info[1] = &info_smart; ++ ++ return ata_pci_init_one(pdev, port_info, 2); ++} ++ ++static struct pci_device_id it821x[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_8211), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_8212), }, ++ { 0, }, ++}; ++ ++static struct pci_driver it821x_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = it821x, ++ .probe = it821x_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init it821x_init(void) ++{ ++ return pci_register_driver(&it821x_pci_driver); ++} ++ ++ ++static void __exit it821x_exit(void) ++{ ++ pci_unregister_driver(&it821x_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for the IT8211/IT8212 IDE RAID controller"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, it821x); ++MODULE_VERSION(DRV_VERSION); ++ ++ ++module_param_named(noraid, it8212_noraid, int, S_IRUGO); ++MODULE_PARM_DESC(it8212_noraid, "Force card into bypass mode"); ++ ++module_init(it821x_init); ++module_exit(it821x_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_legacy.c linux-2.6.16-rc4/drivers/scsi/pata_legacy.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_legacy.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_legacy.c 2006-02-16 15:33:52.000000000 +0000 +@@ -0,0 +1,672 @@ ++ ++/* ++ * pata-legacy.c - Legacy port PATA/SATA controller driver. ++ * Copyright 2005/2006 Red Hat Inc <alan@redhat.com>, all rights reserved. ++ * ++ * An ATA driver for the legacy ATA ports. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/ata.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "legacy" ++#define DRV_VERSION "0.3.1" ++ ++#define NR_HOST 6 ++ ++static int legacy_port[NR_HOST] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 }; ++static int legacy_irq[NR_HOST] = { 15, 14, 11, 10, 8, 12 }; ++ ++static struct ata_host_set *legacy_host[NR_HOST]; ++static int nr_legacy_host; ++static int legacy_all; ++static int ht6560a; ++static int ht6560b; ++static int opti82c611a; ++ ++/** ++ * legacy_set_mode - mode setting ++ * @ap: IDE interface ++ * ++ * Use a non standard set_mode function. We don't want to be tuned. ++ * ++ * The BIOS configured everything. Our job is not to fiddle. Just use ++ * whatever PIO the hardware is using and leave it at that. When we ++ * get some kind of nice user driven API for control then we can ++ * expand on this as per hdparm in the base kernel. ++ */ ++ ++static void legacy_set_mode(struct ata_port *ap) ++{ ++ int i; ++ ++ for (i = 0; i < ATA_MAX_DEVICES; i++) { ++ struct ata_device *dev = &ap->device[i]; ++ if (ata_dev_present(dev)) { ++ dev->pio_mode = XFER_PIO_0; ++ dev->xfer_mode = XFER_PIO_0; ++ dev->xfer_shift = ATA_SHIFT_PIO; ++ dev->flags |= ATA_DFLAG_PIO; ++ } ++ } ++} ++ ++static struct scsi_host_template legacy_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations legacy_port_ops = { ++ .set_mode = legacy_set_mode, ++ ++ .port_disable = ata_port_disable, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer_noirq, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/* ++ * Promise 20230C and 20620 support ++ * ++ * This controller supports PIO0 to PIO2. We set PIO timings conservatively to ++ * allow for 50MHz Vesa Local Bus. The 20620 DMA support is weird being DMA to ++ * controller and PIO'd to the host and not supported. ++ */ ++ ++static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ int tries = 5; ++ int pio = adev->pio_mode - XFER_PIO_0; ++ u8 rt; ++ ++ do ++ { ++ inb(0x1F5); ++ outb(inb(0x1F2) | 0x80, 0x1F2); ++ inb(0x1F2); ++ inb(0x3F6); ++ inb(0x3F6); ++ inb(0x1F2); ++ inb(0x1F2); ++ } ++ while((inb(0x1F2) & 0x80) && --tries); ++ ++ outb(inb(0x1F4) & 0x07, 0x1F4); ++ ++ rt = inb(0x1F3); ++ rt &= 0x07 << (3 * adev->devno); ++ rt |= (3 * pio) << (3 * adev->devno); ++ ++ udelay(100); ++ outb(inb(0x1F2) | 0x01, 0x1F2); ++ udelay(100); ++ inb(0x1F5); ++ ++} ++ ++static void pdc_data_xfer_vlb(struct ata_port *ap, struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data) ++{ ++ int slop = buflen & 3; ++ unsigned long flags; ++ ++ if (ata_id_has_dword_io(adev->id)) { ++ local_irq_save(flags); ++ ++ /* Perform the 32bit I/O synchronization sequence */ ++ inb(ap->ioaddr.nsect_addr); ++ inb(ap->ioaddr.nsect_addr); ++ inb(ap->ioaddr.nsect_addr); ++ ++ /* Now the data */ ++ ++ if (write_data) ++ outsl(ap->ioaddr.data_addr, buf, buflen >> 2); ++ else ++ insl(ap->ioaddr.data_addr, buf, buflen >> 2); ++ ++ if (unlikely(slop)) { ++ u32 pad; ++ if (write_data) { ++ memcpy(&pad, buf + buflen - slop, slop); ++ outl(le32_to_cpu(pad), ap->ioaddr.data_addr); ++ } else { ++ pad = cpu_to_le16(inl(ap->ioaddr.data_addr)); ++ memcpy(buf + buflen - slop, &pad, slop); ++ } ++ } ++ local_irq_restore(flags); ++ } ++ else ++ ata_pio_data_xfer_noirq(ap, adev, buf, buflen, write_data); ++} ++ ++static struct ata_port_operations pdc20230_port_ops = { ++ .set_piomode = pdc20230_set_piomode, ++ ++ .port_disable = ata_port_disable, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = pdc_data_xfer_vlb, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/* ++ * Holtek 6560A support ++ * ++ * This controller supports PIO0 to PIO2 (no IORDY even though higher timings ++ * can be loaded). ++ */ ++ ++static void ht6560a_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ u8 active, recover; ++ struct ata_timing t; ++ ++ /* Get the timing data in cycles. For now play safe at 50Mhz */ ++ ata_timing_compute(adev, adev->pio_mode, &t, 20000, 1000); ++ ++ active = FIT(t.active, 2, 15); ++ recover = FIT(t.recover, 4, 15); ++ ++ inb(0x3E6); ++ inb(0x3E6); ++ inb(0x3E6); ++ inb(0x3E6); ++ ++ outb(recover << 4 | active, ap->ioaddr.device_addr); ++ inb(ap->ioaddr.status_addr); ++} ++ ++static struct ata_port_operations ht6560a_port_ops = { ++ .set_piomode = ht6560a_set_piomode, ++ ++ .port_disable = ata_port_disable, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, /* Check vlb/noirq */ ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/* ++ * Holtek 6560B support ++ * ++ * This controller supports PIO0 to PIO4. We honour the BIOS/jumper FIFO setting ++ * unless we see an ATAPI device in which case we force it off. ++ * ++ * FIXME: need to implement 2nd channel support. ++ */ ++ ++static void ht6560b_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ u8 active, recover; ++ struct ata_timing t; ++ ++ /* Get the timing data in cycles. For now play safe at 50Mhz */ ++ ata_timing_compute(adev, adev->pio_mode, &t, 20000, 1000); ++ ++ active = FIT(t.active, 2, 15); ++ recover = FIT(t.recover, 2, 16); ++ recover &= 0x15; ++ ++ inb(0x3E6); ++ inb(0x3E6); ++ inb(0x3E6); ++ inb(0x3E6); ++ ++ outb(recover << 4 | active, ap->ioaddr.device_addr); ++ ++ if (adev->class != ATA_DEV_ATA) { ++ u8 rconf = inb(0x3E6); ++ if (rconf & 0x24) { ++ rconf &= ~ 0x24; ++ outb(rconf, 0x3E6); ++ } ++ } ++ inb(ap->ioaddr.status_addr); ++} ++ ++static struct ata_port_operations ht6560b_port_ops = { ++ .set_piomode = ht6560b_set_piomode, ++ ++ .port_disable = ata_port_disable, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, /* FIXME: Check 32bit and noirq */ ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/* ++ * Opti 82C611A ++ * ++ * This controller supports PIO0 to PIO3. ++ */ ++ ++static void opti82c611a_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ u8 active, recover, setup; ++ struct ata_timing t; ++ struct ata_device *pair = ata_dev_pair(ap, adev); ++ int clock; ++ int khz[4] = { 50000, 40000, 33000, 25000 }; ++ u8 rc; ++ ++ /* Enter configuration mode */ ++ inb(ap->ioaddr.error_addr); ++ inb(ap->ioaddr.error_addr); ++ ++ /* Read VLB clock strapping */ ++ clock = 1000000000 / khz[inb(ap->ioaddr.lbah_addr) & 0x03]; ++ ++ /* Get the timing data in cycles */ ++ ata_timing_compute(adev, adev->pio_mode, &t, clock, 1000); ++ ++ /* Setup timing is shared */ ++ if (pair) { ++ struct ata_timing tp; ++ ata_timing_compute(pair, pair->pio_mode, &tp, clock, 1000); ++ ++ ata_timing_merge(&t, &tp, &t, ATA_TIMING_SETUP); ++ } ++ ++ active = FIT(t.active, 2, 17) - 2; ++ recover = FIT(t.recover, 1, 16) - 1; ++ setup = FIT(t.setup, 1, 4) - 1; ++ ++ /* Select the right timing bank for write timing */ ++ rc = inb(ap->ioaddr.lbal_addr); ++ rc &= 0x7F; ++ rc |= (adev->devno << 7); ++ outb(rc, ap->ioaddr.lbal_addr); ++ ++ /* Write the timings */ ++ outb(active << 4 | recover, ap->ioaddr.error_addr); ++ ++ /* Select the right bank for read timings, also ++ load the shared timings for address */ ++ rc = inb(ap->ioaddr.device_addr); ++ rc &= 0xC0; ++ rc |= adev->devno; /* Index select */ ++ rc |= (setup << 4) | 0x04; ++ outb(rc, ap->ioaddr.device_addr); ++ ++ /* Load the read timings */ ++ outb(active << 4 | recover, ap->ioaddr.data_addr); ++ ++ /* Ensure the timing register mode is right */ ++ rc = inb (ap->ioaddr.lbal_addr); ++ rc &= 0x73; ++ rc |= 0x84; ++ outb(rc, ap->ioaddr.lbal_addr); ++ ++ /* Exit command mode */ ++ outb(0x82, ap->ioaddr.nsect_addr); ++} ++ ++static struct ata_port_operations opti82c611a_port_ops = { ++ .set_piomode = opti82c611a_set_piomode, ++ ++ .port_disable = ata_port_disable, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * legacy_init_one - attach a legacy interface ++ * @io: I/O port start ++ * @ctrl: control port ++ * @irq: interrupt line ++ * ++ * Register an ISA bus IDE interface. Such interfaces are PIO and we ++ * assume do not support IRQ sharing. ++ */ ++ ++static __init int legacy_init_one(unsigned long io, unsigned long ctrl, int irq) ++{ ++ struct ata_probe_ent ae; ++ int ret; ++ struct ata_port_operations *ops = &legacy_port_ops; ++ int pio_mask = 0x1F; ++ ++ if (request_region(io, 8, "pata_legacy") == NULL) ++ return -EBUSY; ++ if (request_region(ctrl, 1, "pata_legacy") == NULL) { ++ release_region(io, 8); ++ return -EBUSY; ++ } ++ ++ if (ht6560a == 1 && (io == 0x1F0 || io == 0x170)) { ++ ops = &ht6560a_port_ops; ++ pio_mask = 0x07; ++ } ++ if (ht6560b == 1 && (io == 0x1F0 || io == 0x170)) { ++ ops = &ht6560b_port_ops; ++ pio_mask = 0x1F; ++ } ++ if (opti82c611a == 1 && (io == 0x1F0 || io == 0x170)) { ++ ops = &opti82c611a_port_ops; ++ pio_mask = 0x0F; ++ } ++ else if (io == 0x1F0) { ++ /* Probes */ ++ inb(0x1F5); ++ outb(inb(0x1F2) | 0x80, 0x1F2); ++ inb(0x1F2); ++ inb(0x3F6); ++ inb(0x3F6); ++ inb(0x1F2); ++ inb(0x1F2); ++ ++ if ((inb(0x1F2) & 0x80) == 0) { ++ /* PDC20230 or 20630 ? */ ++ printk(KERN_INFO "PDC20230-C/20630 VLB ATA controller detected.\n"); ++ pio_mask = 0x07; ++ ops = &pdc20230_port_ops; ++ udelay(100); ++ inb(0x1F5); ++ } else { ++ outb(0x55, 0x1F2); ++ inb(0x1F2); ++ inb(0x1F2); ++ if (inb(0x1F2) == 0x00) { ++ printk(KERN_INFO "PDC20230-B VLB ATA controller detected.\n"); ++ } ++ } ++ } ++ memset(&ae, 0, sizeof(struct ata_probe_ent)); ++ INIT_LIST_HEAD(&ae.node); ++ ae.dev = NULL; ++ ae.port_ops = ops; ++ ae.sht = &legacy_sht; ++ ae.n_ports = 1; ++ ae.pio_mask = pio_mask; ++ ae.irq = irq; ++ ae.irq_flags = 0; ++ ae.host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_IRQ_MASK; ++ ae.port[0].cmd_addr = io; ++ ae.port[0].altstatus_addr = ctrl; ++ ae.port[0].ctl_addr = ctrl; ++ ata_std_ports(&ae.port[0]); ++ ++ ret = ata_device_add(&ae); ++ if (ret == 0) ++ return -ENODEV; ++ ++ legacy_host[nr_legacy_host++] = ae.host_set; ++ return 0; ++} ++ ++/** ++ * legacy_check_special_cases - ATA special cases ++ * @p: PCI device to check ++ * @master: set this if we find an ATA master ++ * @master: set this if we find an ATA secondary ++ * ++ * A small number of vendors implemented early PCI ATA interfaces on bridge logic ++ * without the ATA interface being PCI visible. Where we have a matching PCI driver ++ * we must skip the relevant device here. If we don't know about it then the legacy ++ * driver is the right driver anyway. ++ */ ++ ++static void legacy_check_special_cases(struct pci_dev *p, int *primary, int *secondary) ++{ ++ /* Cyrix CS5510 pre SFF MWDMA ATA on the bridge */ ++ if (p->vendor == 0x1078 && p->device == 0x0000) { ++ *primary = *secondary = 1; ++ return; ++ } ++ /* Cyrix CS5520 pre SFF MWDMA ATA on the bridge */ ++ if (p->vendor == 0x1078 && p->device == 0x0002) { ++ *primary = *secondary = 1; ++ return; ++ } ++ /* Intel MPIIX - PIO ATA on non PCI side of bridge */ ++ if (p->vendor == 0x8086 && p->device == 0x1234) { ++ u16 r; ++ pci_read_config_word(p, 0x6C, &r); ++ if (r & 0x8000) { /* ATA port enabled */ ++ if (r & 0x4000) ++ *secondary = 1; ++ else ++ *primary = 1; ++ } ++ return; ++ } ++} ++ ++/** ++ * legacy_init - attach legacy interfaces ++ * ++ * Attach legacy IDE interfaces by scanning the usual IRQ/port suspects. ++ * Right now we do not scan the ide0 and ide1 address but should do so ++ * for non PCI systems or systems with no PCI IDE legacy mode devices. ++ * If you fix that note there are special cases to consider like VLB ++ * drivers and CS5510/20. ++ */ ++ ++static __init int legacy_init(void) ++{ ++ int i; ++ int ct = 0; ++ int primary = 0; ++ int secondary = 0; ++ int last_port = NR_HOST; ++ ++ struct pci_dev *p = NULL; ++ ++ for_each_pci_dev(p) { ++ int r; ++ /* Check for any overlap of the system ATA mappings. Native mode controllers ++ stuck on these addresses or some devices in 'raid' mode won't be found by ++ the storage class test */ ++ for (r = 0; r < 6; r++) { ++ if (pci_resource_start(p, r) == 0x1f0) ++ primary = 1; ++ if (pci_resource_start(p, r) == 0x170) ++ secondary = 1; ++ } ++ /* Check for special cases */ ++ legacy_check_special_cases(p, &primary, &secondary); ++ ++ /* If PCI bus is present then don't probe for tertiary legacy ports */ ++ if (legacy_all == 0) ++ last_port = 2; ++ } ++ ++ ++ for (i = 0; i < last_port; i++) { ++ /* Skip primary if we have seen a PCI one */ ++ if (i == 0 && primary == 1) ++ continue; ++ /* Skip secondary if we have seen a PCI one */ ++ if (i == 1 && secondary == 1) ++ continue; ++ if (legacy_init_one(legacy_port[i], ++ legacy_port[i] + 0x0206, ++ legacy_irq[i]) == 0) ++ ct++; ++ } ++ if (ct != 0) ++ return 0; ++ return -ENODEV; ++} ++ ++static __exit void legacy_exit(void) ++{ ++ int i; ++ ++ for (i = 0; i < nr_legacy_host; i++) { ++ struct ata_port *ap =legacy_host[i]->ports[0]; ++ unsigned long io = ap->ioaddr.cmd_addr; ++ unsigned long ctrl = ap->ioaddr.ctl_addr; ++ ata_host_set_remove(legacy_host[i]); ++ release_region(io, 8); ++ release_region(ctrl, 1); ++ } ++} ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for legacy ATA"); ++MODULE_LICENSE("GPL"); ++MODULE_VERSION(DRV_VERSION); ++ ++/** ++ * legacy_probe_all - setup argument handler ++ * @unused: unused ++ * ++ * Called when the probe_all argument is passed to this driver. This indicates ++ * that we should check all the legacy ATA addresses even if PCI is present. Should ++ * only ever be needed on very strange PCI/legacy combinations ++ */ ++ ++static int __init legacy_probe_all(char *unused) ++{ ++ legacy_all = 1; ++ return 1; ++} ++ ++__setup("probe-all", legacy_probe_all); ++ ++/** ++ * legacy_ht6560a - setup argument handler ++ * @unused: unused ++ * ++ * Called when the ht6560a argument is passed to this driver. This indicates ++ * that we should check all the legacy ATA addresses even if PCI is present. Should ++ * only ever be needed on very strange PCI/legacy combinations ++ */ ++ ++static int __init legacy_ht6560a(char *unused) ++{ ++ ht6560a = 1; ++ return 1; ++} ++ ++__setup("ht6560a", legacy_ht6560a); ++ ++/** ++ * legacy_ht6560b - setup argument handler ++ * @unused: unused ++ * ++ * Called when the ht6560b argument is passed to this driver. This indicates ++ * that we should check all the legacy ATA addresses even if PCI is present. Should ++ * only ever be needed on very strange PCI/legacy combinations ++ */ ++ ++static int __init legacy_ht6560b(char *unused) ++{ ++ ht6560b = 1; ++ return 1; ++} ++ ++__setup("ht6560b", legacy_ht6560b); ++ ++/** ++ * legacy_ht6560a - setup argument handler ++ * @unused: unused ++ * ++ * Called when the ht6560a argument is passed to this driver. This indicates ++ * that we should check all the legacy ATA addresses even if PCI is present. Should ++ * only ever be needed on very strange PCI/legacy combinations ++ */ ++ ++static int __init legacy_opti82c611a(char *unused) ++{ ++ opti82c611a = 1; ++ return 1; ++} ++ ++__setup("opti82c611a", legacy_opti82c611a); ++ ++module_init(legacy_init); ++module_exit(legacy_exit); ++ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_mpiix.c linux-2.6.16-rc4/drivers/scsi/pata_mpiix.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_mpiix.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_mpiix.c 2006-02-16 15:38:41.000000000 +0000 +@@ -0,0 +1,303 @@ ++/* ++ * pata_mpiix.c - Intel MPIIX PATA for new ATA layer ++ * (C) 2005-2006 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * The MPIIX is different enough to the PIIX4 and friends that we give it ++ * a separate driver. The old ide/pci code handles this by just not tuning ++ * MPIIX at all. ++ * ++ * The MPIIX also differs in another important way from the majority of PIIX ++ * devices. The chip is a bridge (pardon the pun) between the old world of ++ * ISA IDE and PCI IDE. Although the ATA timings are PCI configured the actual ++ * IDE controller is not decoded in PCI space and the chip does not claim to ++ * be IDE class PCI. This requires slightly non-standard probe logic compared ++ * with PCI IDE and also that we do not disable the device when our driver is ++ * unloaded (as it has many other functions). ++ * ++ * The driver conciously keeps this logic internally to avoid pushing quirky ++ * PATA history into the clean libata layer. ++ * ++ * Thinkpad specific note: If you boot an MPIIX using thinkpad with a PCMCIA ++ * hard disk present this driver will not detect it. This is not a bug. In this ++ * configuration the secondary port of the MPIIX is disabled and the addresses ++ * are decoded by the PCMCIA bridge and therefore are for a generic IDE driver ++ * to operate. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_mpiix" ++#define DRV_VERSION "0.4" ++ ++/** ++ * mpiix_phy_reset - probe reset ++ * @ap: ATA port ++ * ++ * Perform the ATA probe and bus reset sequence plus specific handling ++ * for this hardware. The MPIIX has the enable bits in a different place ++ * to PIIX4 and friends. As a pure PIO device it has no cable detect ++ */ ++ ++static void mpiix_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static const struct pci_bits mpiix_enable_bits[] = { ++ { 0x6D, 1, 0x80, 0x80 }, ++ { 0x6F, 1, 0x80, 0x80 } ++ }; ++ ++ if (!pci_test_config_bits(pdev, &mpiix_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * mpiix_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the PIO mode setup. The MPIIX allows us to program the ++ * IORDY sample point (2-5 clocks), recovery 1-4 clocks and whether ++ * prefetching or iordy are used. ++ * ++ * This would get very ugly because we can only program timing for one ++ * device at a time, the other gets PIO0. Fortunately libata calls ++ * our qc_issue_prot command before a command is issued so we can ++ * flip the timings back and forth to reduce the pain. ++ */ ++ ++static void mpiix_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ int control = 0; ++ int pio = adev->pio_mode - XFER_PIO_0; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u16 idetim; ++ static const /* ISP RTC */ ++ u8 timings[][2] = { { 0, 0 }, ++ { 0, 0 }, ++ { 1, 0 }, ++ { 2, 1 }, ++ { 2, 3 }, }; ++ ++ pci_read_config_word(pdev, 0x6C, &idetim); ++ /* Mask the IORDY/TIME/PPE0 bank for this device */ ++ if (adev->class == ATA_DEV_ATA) ++ control |= 4; /* PPE enable for disk */ ++ if (ata_pio_need_iordy(adev)) ++ control |= 2; /* IORDY */ ++ if (pio > 0) ++ control |= 1; /* This drive is on the fast timing bank */ ++ ++ /* Mask out timing and clear both TIME bank selects */ ++ idetim &= 0xCCEE; ++ idetim &= ~(0x07 << (2 * adev->devno)); ++ idetim |= (control << (2 * adev->devno)); ++ ++ idetim |= (timings[pio][0] << 12) | (timings[pio][1] << 8); ++ pci_write_config_word(pdev, 0x6C, idetim); ++ ++ /* We use ap->private_data as a pointer to the device currently ++ loaded for timing */ ++ ap->private_data = adev; ++} ++ ++/** ++ * mpiix_qc_issue_prot - command issue ++ * @qc: command pending ++ * ++ * Called when the libata layer is about to issue a command. We wrap ++ * this interface so that we can load the correct ATA timings if ++ * neccessary. Our logic also clears TIME0/TIME1 for the other device so ++ * that, even if we get this wrong, cycles to the other device will ++ * be made PIO0. ++ */ ++ ++static int mpiix_qc_issue_prot(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct ata_device *adev = qc->dev; ++ ++ /* If modes have been configured and the channel data is not loaded ++ then load it. We have to check if pio_mode is set as the core code ++ does not set adev->pio_mode to XFER_PIO_0 while probing as would be ++ logical */ ++ ++ if (adev->pio_mode && adev != ap->private_data) ++ mpiix_set_piomode(ap, adev); ++ ++ return ata_qc_issue_prot(qc); ++} ++ ++static struct scsi_host_template mpiix_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations mpiix_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = mpiix_set_piomode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = mpiix_phy_reset, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = mpiix_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int mpiix_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ /* Single threaded by the PCI probe logic */ ++ static struct ata_probe_ent probe[2]; ++ static int printed_version; ++ u16 idetim; ++ int enabled; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n"); ++ ++ /* MPIIX has many functions which can be turned on or off according ++ to other devices present. Make sure IDE is enabled before we try ++ and use it */ ++ ++ pci_read_config_word(dev, 0x6C, &idetim); ++ if (!(idetim & 0x8000)) ++ return -ENODEV; ++ ++ /* We do our own plumbing to avoid leaking special cases for whacko ++ ancient hardware into the core code. There are two issues to ++ worry about. #1 The chip is a bridge so if in legacy mode and ++ without BARs set fools the setup. #2 If you pci_disable_device ++ the MPIIX your box goes castors up */ ++ ++ INIT_LIST_HEAD(&probe[0].node); ++ probe[0].dev = pci_dev_to_dev(dev); ++ probe[0].port_ops = &mpiix_port_ops; ++ probe[0].sht = &mpiix_sht; ++ probe[0].pio_mask = 0x1F; ++ probe[0].irq = 14; ++ probe[0].irq_flags = SA_SHIRQ; ++ probe[0].host_flags = ATA_FLAG_SLAVE_POSS; ++ probe[0].legacy_mode = 1; ++ probe[0].hard_port_no = 0; ++ probe[0].n_ports = 1; ++ probe[0].port[0].cmd_addr = 0x1F0; ++ probe[0].port[0].ctl_addr = 0x3F6; ++ probe[0].port[0].altstatus_addr = 0x3F6; ++ ++ /* The secondary lurks at different addresses but is otherwise ++ the same beastie */ ++ ++ INIT_LIST_HEAD(&probe[1].node); ++ probe[1] = probe[0]; ++ probe[1].irq = 15; ++ probe[1].hard_port_no = 1; ++ probe[1].port[0].cmd_addr = 0x170; ++ probe[1].port[0].ctl_addr = 0x376; ++ probe[1].port[0].altstatus_addr = 0x376; ++ ++ /* Let libata fill in the port details */ ++ ata_std_ports(&probe[0].port[0]); ++ ata_std_ports(&probe[1].port[0]); ++ ++ /* Now add the port that is active */ ++ enabled = (idetim & 0x4000) ? 1 : 0; ++ ++ if (ata_device_add(&probe[enabled])) ++ return 0; ++ return -ENODEV; ++} ++ ++/** ++ * mpiix_remove_one - device unload ++ * @pdev: PCI device being removed ++ * ++ * Handle an unplug/unload event for a PCI device. Unload the ++ * PCI driver but do not use the default handler as we *MUST NOT* ++ * disable the device as it has other functions. ++ */ ++ ++static void __devexit mpiix_remove_one(struct pci_dev *pdev) ++{ ++ struct device *dev = pci_dev_to_dev(pdev); ++ struct ata_host_set *host_set = dev_get_drvdata(dev); ++ ++ ata_host_set_remove(host_set); ++ dev_set_drvdata(dev, NULL); ++} ++ ++ ++ ++static const struct pci_device_id mpiix[] = { ++ { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371MX, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, ++ { 0, }, ++}; ++ ++static struct pci_driver mpiix_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = mpiix, ++ .probe = mpiix_init_one, ++ .remove = mpiix_remove_one ++}; ++ ++static int __init mpiix_init(void) ++{ ++ return pci_register_driver(&mpiix_pci_driver); ++} ++ ++ ++static void __exit mpiix_exit(void) ++{ ++ pci_unregister_driver(&mpiix_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for Intel MPIIX"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, mpiix); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(mpiix_init); ++module_exit(mpiix_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_netcell.c linux-2.6.16-rc4/drivers/scsi/pata_netcell.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_netcell.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_netcell.c 2006-02-08 14:05:57.000000000 +0000 +@@ -0,0 +1,176 @@ ++/* ++ * pata_netcell.c - Netcell PATA driver ++ * ++ * (c) 2006 Red Hat <alan@redhat.com> ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <linux/device.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++#include <linux/ata.h> ++ ++#define DRV_NAME "pata_netcell" ++#define DRV_VERSION "0.1" ++ ++/** ++ * netcell_cable_detect - check for 40/80 pin ++ * @ap: Port ++ * ++ * Cables are handled by the RAID controller. Report 80 pin. ++ */ ++ ++static int netcell_cable_detect(struct ata_port *ap) ++{ ++ return ATA_CBL_PATA80; ++} ++ ++/** ++ * netcell_phy_reset - Probe specified port on PATA host controller ++ * @ap: Port to probe ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void netcell_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = netcell_cable_detect(ap); ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/* No PIO or DMA methods needed for this device */ ++ ++static struct scsi_host_template netcell_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ /* Special handling needed if you have sector or LBA48 limits */ ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ /* Use standard CHS mapping rules */ ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static const struct ata_port_operations netcell_ops = { ++ .port_disable = ata_port_disable, ++ ++ /* Task file is PCI ATA format, use helpers */ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = netcell_phy_reset, ++ ++ /* BMDMA handling is PCI ATA format, use helpers */ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, /* In -ac only right now */ ++ ++ /* Timeout handling. Special recovery hooks here */ ++ .eng_timeout = ata_eng_timeout, ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ /* Generic PATA PCI ATA helpers */ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++ ++/** ++ * netcell_init_one - Register Netcell ATA PCI device with kernel services ++ * @pdev: PCI device to register ++ * @ent: Entry in netcell_pci_tbl matching with @pdev ++ * ++ * Called from kernel PCI layer. ++ * ++ * LOCKING: ++ * Inherited from PCI layer (may sleep). ++ * ++ * RETURNS: ++ * Zero on success, or -ERRNO value. ++ */ ++ ++static int netcell_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) ++{ ++ static int printed_version; ++ static struct ata_port_info info = { ++ .sht = &netcell_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ /* Actually we don't really care about these as the ++ firmware deals with it */ ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .mwdma_mask = 0x07, /* mwdma0-2 */ ++ .udma_mask = 0x3f, /* UDMA 133 */ ++ .port_ops = &netcell_ops, ++ }; ++ static struct ata_port_info *port_info[2] = { &info, &info }; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &pdev->dev, ++ "version " DRV_VERSION "\n"); ++ ++ /* Any chip specific setup/optimisation/messages here */ ++ ata_pci_clear_simplex(pdev); ++ ++ /* And let the library code do the work */ ++ return ata_pci_init_one(pdev, port_info, 2); ++} ++ ++static const struct pci_device_id netcell_pci_tbl[] = { ++ { 0x169C, 0x0044, PCI_ANY_ID, PCI_ANY_ID, }, ++ { } /* terminate list */ ++}; ++ ++static struct pci_driver netcell_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = netcell_pci_tbl, ++ .probe = netcell_init_one, ++ .remove = ata_pci_remove_one, ++}; ++ ++static int __init netcell_init(void) ++{ ++ return pci_register_driver(&netcell_pci_driver); ++} ++ ++static void __exit netcell_exit(void) ++{ ++ pci_unregister_driver(&netcell_pci_driver); ++} ++ ++ ++module_init(netcell_init); ++module_exit(netcell_exit); ++ ++MODULE_AUTHOR(""); ++MODULE_DESCRIPTION("SCSI low-level driver for Netcell PATA RAID"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, netcell_pci_tbl); ++MODULE_VERSION(DRV_VERSION); ++ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_ns87410.c linux-2.6.16-rc4/drivers/scsi/pata_ns87410.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_ns87410.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_ns87410.c 2006-02-15 15:05:43.000000000 +0000 +@@ -0,0 +1,213 @@ ++/* ++ * pata_ns87410.c - National Semiconductor 87410 PATA for new ATA layer ++ * (C) 2006 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_ns87410" ++#define DRV_VERSION "0.1" ++ ++/** ++ * ns87410_phy_reset - probe reset ++ * @ap: ATA port ++ * ++ * Perform the ATA probe and bus reset sequence plus specific handling ++ * for this hardware. The MPIIX has the enable bits in a different place ++ * to PIIX4 and friends. As a pure PIO device it has no cable detect ++ */ ++ ++static void ns87410_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static const struct pci_bits ns87410_enable_bits[] = { ++ { 0x43, 1, 0x08, 0x08 }, ++ { 0x47, 1, 0x08, 0x08 } ++ }; ++ ++ if (!pci_test_config_bits(pdev, &ns87410_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * ns87410_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Program timing data. This is kept per channel not per device, ++ * and only affects the data port. ++ */ ++ ++static void ns87410_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int port = 0x40 + 4 * ap->hard_port_no; ++ u8 idetcr, idefr; ++ struct ata_timing at; ++ ++ static const u8 activebits[15] = { ++ 0, 1, 2, 3, 4, ++ 5, 5, 6, 6, 6, ++ 6, 7, 7, 7, 7 ++ }; ++ ++ static const u8 recoverbits[12] = { ++ 0, 1, 2, 3, 4, 5, 6, 6, 7, 7, 7, 7 ++ }; ++ ++ pci_read_config_byte(pdev, port + 3, &idefr); ++ ++ if (ata_pio_need_iordy(adev)) ++ idefr |= 0x04; /* IORDY enable */ ++ else ++ idefr &= ~0x04; ++ ++ if (ata_timing_compute(adev, adev->pio_mode, &at, 30303, 1) < 0) { ++ dev_printk(KERN_ERR, &pdev->dev, "unknown mode %d.\n", adev->pio_mode); ++ return; ++ } ++ ++ at.active = FIT(at.active, 2, 16) - 2; ++ at.setup = FIT(at.setup, 1, 4) - 1; ++ at.recover = FIT(at.recover, 1, 12) - 1; ++ ++ idetcr = (at.setup << 6) | (recoverbits[at.recover] << 3) | activebits[at.active]; ++ ++ pci_write_config_byte(pdev, port, idetcr); ++ pci_write_config_byte(pdev, port + 3, idefr); ++ /* We use ap->private_data as a pointer to the device currently ++ loaded for timing */ ++ ap->private_data = adev; ++} ++ ++/** ++ * ns87410_qc_issue_prot - command issue ++ * @qc: command pending ++ * ++ * Called when the libata layer is about to issue a command. We wrap ++ * this interface so that we can load the correct ATA timings if ++ * neccessary. Our logic also clears TIME0/TIME1 for the other device so ++ * that, even if we get this wrong, cycles to the other device will ++ * be made PIO0. ++ */ ++ ++static int ns87410_qc_issue_prot(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct ata_device *adev = qc->dev; ++ ++ /* If modes have been configured and the channel data is not loaded ++ then load it. We have to check if pio_mode is set as the core code ++ does not set adev->pio_mode to XFER_PIO_0 while probing as would be ++ logical */ ++ ++ if (adev->pio_mode && adev != ap->private_data) ++ ns87410_set_piomode(ap, adev); ++ ++ return ata_qc_issue_prot(qc); ++} ++ ++static struct scsi_host_template ns87410_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations ns87410_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = ns87410_set_piomode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = ns87410_phy_reset, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ns87410_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int ns87410_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info = { ++ .sht = &ns87410_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x0F, ++ .port_ops = &ns87410_port_ops ++ }; ++ static struct ata_port_info *port_info[2] = {&info, &info}; ++ return ata_pci_init_one(dev, port_info, 2); ++} ++ ++static const struct pci_device_id ns87410[] = { ++ { PCI_DEVICE(0x100B, 0xD001), }, ++ { 0, }, ++}; ++ ++static struct pci_driver ns87410_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = ns87410, ++ .probe = ns87410_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init ns87410_init(void) ++{ ++ return pci_register_driver(&ns87410_pci_driver); ++} ++ ++ ++static void __exit ns87410_exit(void) ++{ ++ pci_unregister_driver(&ns87410_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for Nat Semi 87410"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, ns87410); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(ns87410_init); ++module_exit(ns87410_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_oldpiix.c linux-2.6.16-rc4/drivers/scsi/pata_oldpiix.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_oldpiix.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_oldpiix.c 2006-01-21 16:55:29.000000000 +0000 +@@ -0,0 +1,327 @@ ++/* ++ * pata_oldpiix.c - Intel PATA/SATA controllers ++ * ++ * (C) 2005 Red Hat <alan@redhat.com> ++ * ++ * Some parts based on ata_piix.c by Jeff Garzik and others. ++ * ++ * Early PIIX differs significantly from the later PIIX as it lacks ++ * SITRE and the slave timing registers. This means that you have to ++ * set timing per channel, or be clever. Libata tells us whenever it ++ * does drive selection and we use this to reload the timings. ++ * ++ * Because of these behaviour differences PIIX gets its own driver module. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <linux/device.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++#include <linux/ata.h> ++ ++#define DRV_NAME "pata_oldpiix" ++#define DRV_VERSION "0.3" ++ ++/** ++ * oldpiix_pata_phy_reset - Probe specified port on PATA host controller ++ * @ap: Port to probe ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void oldpiix_pata_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static const struct pci_bits oldpiix_enable_bits[] = { ++ { 0x41U, 1U, 0x80UL, 0x80UL }, /* port 0 */ ++ { 0x43U, 1U, 0x80UL, 0x80UL }, /* port 1 */ ++ }; ++ ++ if (!pci_test_config_bits(pdev, &oldpiix_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * oldpiix_set_piomode - Initialize host controller PATA PIO timings ++ * @ap: Port whose timings we are configuring ++ * @adev: um ++ * ++ * Set PIO mode for device, in host controller PCI config space. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void oldpiix_set_piomode (struct ata_port *ap, struct ata_device *adev) ++{ ++ unsigned int pio = adev->pio_mode - XFER_PIO_0; ++ struct pci_dev *dev = to_pci_dev(ap->host_set->dev); ++ unsigned int idetm_port= ap->hard_port_no ? 0x42 : 0x40; ++ u16 idetm_data; ++ int control = 0; ++ ++ /* ++ * See Intel Document 298600-004 for the timing programing rules ++ * for PIIX/ICH. Note that the early PIIX does not have the slave ++ * timing port at 0x44. ++ */ ++ ++ static const /* ISP RTC */ ++ u8 timings[][2] = { { 0, 0 }, ++ { 0, 0 }, ++ { 1, 0 }, ++ { 2, 1 }, ++ { 2, 3 }, }; ++ ++ if (pio > 2) ++ control |= 1; /* TIME1 enable */ ++ if (ata_pio_need_iordy(adev)) ++ control |= 2; /* IE IORDY */ ++ ++ /* Intel specifies that the PPE functionality is for disk only */ ++ if (adev->class == ATA_DEV_ATA) ++ control |= 4; /* PPE enable */ ++ ++ pci_read_config_word(dev, idetm_port, &idetm_data); ++ ++ /* Enable PPE, IE and TIME as appropriate. Clear the other ++ drive timing bits */ ++ if (adev->devno == 0) { ++ idetm_data &= 0xCCE0; ++ idetm_data |= control; ++ } else { ++ idetm_data &= 0xCC0E; ++ idetm_data |= (control << 4); ++ } ++ idetm_data |= (timings[pio][0] << 12) | ++ (timings[pio][1] << 8); ++ pci_write_config_word(dev, idetm_port, idetm_data); ++ ++ /* Track which port is configured */ ++ ap->private_data = adev; ++} ++ ++/** ++ * oldpiix_set_dmamode - Initialize host controller PATA DMA timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device to program ++ * @isich: True if the device is an ICH and has IOCFG registers ++ * ++ * Set MWDMA mode for device, in host controller PCI config space. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void oldpiix_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *dev = to_pci_dev(ap->host_set->dev); ++ u8 idetm_port = ap->hard_port_no ? 0x42 : 0x40; ++ u16 idetm_data; ++ ++ static const /* ISP RTC */ ++ u8 timings[][2] = { { 0, 0 }, ++ { 0, 0 }, ++ { 1, 0 }, ++ { 2, 1 }, ++ { 2, 3 }, }; ++ ++ /* ++ * MWDMA is driven by the PIO timings. We must also enable ++ * IORDY unconditionally along with TIME1. PPE has already ++ * been set when the PIO timing was set. ++ */ ++ ++ unsigned int mwdma = adev->dma_mode - XFER_MW_DMA_0; ++ unsigned int control; ++ const unsigned int needed_pio[3] = { ++ XFER_PIO_0, XFER_PIO_3, XFER_PIO_4 ++ }; ++ int pio = needed_pio[mwdma] - XFER_PIO_0; ++ ++ pci_read_config_word(dev, idetm_port, &idetm_data); ++ ++ control = 3; /* IORDY|TIME0 */ ++ /* Intel specifies that the PPE functionality is for disk only */ ++ if (adev->class == ATA_DEV_ATA) ++ control |= 4; /* PPE enable */ ++ ++ /* If the drive MWDMA is faster than it can do PIO then ++ we must force PIO into PIO0 */ ++ ++ if (adev->pio_mode < needed_pio[mwdma]) ++ /* Enable DMA timing only */ ++ control |= 8; /* PIO cycles in PIO0 */ ++ ++ /* Mask out the relevant control and timing bits we will load. Also ++ clear the other drive TIME register as a precaution */ ++ if (adev->devno == 0) { ++ idetm_data &= 0xCCE0; ++ idetm_data |= control; ++ } else { ++ idetm_data &= 0xCC0E; ++ idetm_data |= (control << 4); ++ } ++ idetm_data |= (timings[pio][0] << 12) | (timings[pio][1] << 8); ++ pci_write_config_word(dev, idetm_port, idetm_data); ++ ++ /* Track which port is configured */ ++ ap->private_data = adev; ++} ++ ++/** ++ * oldpiix_qc_issue_prot - command issue ++ * @qc: command pending ++ * ++ * Called when the libata layer is about to issue a command. We wrap ++ * this interface so that we can load the correct ATA timings if ++ * neccessary. Our logic also clears TIME0/TIME1 for the other device so ++ * that, even if we get this wrong, cycles to the other device will ++ * be made PIO0. ++ */ ++ ++static int oldpiix_qc_issue_prot(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct ata_device *adev = qc->dev; ++ ++ if (adev != ap->private_data) { ++ if (adev->dma_mode) ++ oldpiix_set_dmamode(ap, adev); ++ else if (adev->pio_mode) ++ oldpiix_set_piomode(ap, adev); ++ } ++ return ata_qc_issue_prot(qc); ++} ++ ++ ++static struct scsi_host_template oldpiix_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static const struct ata_port_operations oldpiix_pata_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = oldpiix_set_piomode, ++ .set_dmamode = oldpiix_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = oldpiix_pata_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = oldpiix_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++ ++/** ++ * oldpiix_init_one - Register PIIX ATA PCI device with kernel services ++ * @pdev: PCI device to register ++ * @ent: Entry in oldpiix_pci_tbl matching with @pdev ++ * ++ * Called from kernel PCI layer. We probe for combined mode (sigh), ++ * and then hand over control to libata, for it to do the rest. ++ * ++ * LOCKING: ++ * Inherited from PCI layer (may sleep). ++ * ++ * RETURNS: ++ * Zero on success, or -ERRNO value. ++ */ ++ ++static int oldpiix_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) ++{ ++ static int printed_version; ++ static struct ata_port_info info = { ++ .sht = &oldpiix_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .mwdma_mask = 0x07, /* mwdma1-2 */ ++ .port_ops = &oldpiix_pata_ops, ++ }; ++ static struct ata_port_info *port_info[2] = { &info, &info }; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &pdev->dev, ++ "version " DRV_VERSION "\n"); ++ ++ return ata_pci_init_one(pdev, port_info, 2); ++} ++ ++static const struct pci_device_id oldpiix_pci_tbl[] = { ++ { 0x8086, 0x1230, PCI_ANY_ID, PCI_ANY_ID, }, ++ { } /* terminate list */ ++}; ++ ++static struct pci_driver oldpiix_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = oldpiix_pci_tbl, ++ .probe = oldpiix_init_one, ++ .remove = ata_pci_remove_one, ++}; ++ ++static int __init oldpiix_init(void) ++{ ++ return pci_register_driver(&oldpiix_pci_driver); ++} ++ ++static void __exit oldpiix_exit(void) ++{ ++ pci_unregister_driver(&oldpiix_pci_driver); ++} ++ ++ ++module_init(oldpiix_init); ++module_exit(oldpiix_exit); ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("SCSI low-level driver for early PIIX series controllers"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, oldpiix_pci_tbl); ++MODULE_VERSION(DRV_VERSION); ++ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_opti.c linux-2.6.16-rc4/drivers/scsi/pata_opti.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_opti.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_opti.c 2006-02-16 15:38:28.000000000 +0000 +@@ -0,0 +1,268 @@ ++/* ++ * pata_opti.c - ATI PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * Based on ++ * linux/drivers/ide/pci/opti621.c Version 0.7 Sept 10, 2002 ++ * ++ * Copyright (C) 1996-1998 Linus Torvalds & authors (see below) ++ * ++ * Authors: ++ * Jaromir Koutek <miri@punknet.cz>, ++ * Jan Harkes <jaharkes@cwi.nl>, ++ * Mark Lord <mlord@pobox.com> ++ * Some parts of code are from ali14xx.c and from rz1000.c. ++ * ++ * Also consulted the FreeBSD prototype driver by Kevin Day to try ++ * and resolve some confusions. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_opti" ++#define DRV_VERSION "0.1.2" ++ ++enum { ++ READ_REG = 0, /* index of Read cycle timing register */ ++ WRITE_REG = 1, /* index of Write cycle timing register */ ++ CNTRL_REG = 3, /* index of Control register */ ++ STRAP_REG = 5, /* index of Strap register */ ++ MISC_REG = 6 /* index of Miscellaneous register */ ++}; ++ ++/** ++ * opti_phy_reset - probe reset ++ * @ap: ATA port ++ * ++ * Perform the ATA probe and bus reset sequence plus specific handling ++ * for this hardware. The Opti needs little handling - we have no UDMA66 ++ * capability that needs cable detection. All we must do is check the port ++ * is enabled. ++ */ ++ ++static void opti_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static const struct pci_bits opti_enable_bits[] = { ++ { 0x45, 1, 0x80, 0x00 }, ++ { 0x45, 1, 0x08, 0x00 } ++ }; ++ ++ if (!pci_test_config_bits(pdev, &opti_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * opti_write_reg - control register setup ++ * @ap: ATA port ++ * @value: value ++ * @reg: control register number ++ * ++ * The Opti uses magic 'trapdoor' register accesses to do configuration ++ * rather than using PCI space as other controllers do. The double inw ++ * on the error register activates configuration mode. We can then write ++ * the control register ++ */ ++ ++static void opti_write_reg(struct ata_port *ap, u8 val, int reg) ++{ ++ unsigned long regio = ap->ioaddr.cmd_addr; ++ inw(regio + 1); ++ inw(regio + 1); ++ outb(3, regio + 2); ++ outb(val, regio + reg); ++ outb(0x83, regio + 2); ++} ++ ++#if 0 ++/** ++ * opti_read_reg - control register read ++ * @ap: ATA port ++ * @reg: control register number ++ * ++ * The Opti uses magic 'trapdoor' register accesses to do configuration ++ * rather than using PCI space as other controllers do. The double inw ++ * on the error register activates configuration mode. We can then read ++ * the control register ++ */ ++ ++static u8 opti_read_reg(struct ata_port *ap, int reg) ++{ ++ unsigned long regio = ap->ioaddr.cmd_addr; ++ u8 ret; ++ inw(regio + 1); ++ inw(regio + 1); ++ outb(3, regio + 2); ++ ret = inb(regio + reg); ++ outb(0x83, regio + 2); ++} ++#endif ++ ++/** ++ * opti_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the PIO mode setup. Timing numbers are taken from ++ * the FreeBSD driver then pre computed to keep the code clean. There ++ * are two tables depending on the hardware clock speed. ++ */ ++ ++static void opti_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct ata_device *pair = ata_dev_pair(ap, adev); ++ int clock; ++ int pio = adev->pio_mode - XFER_PIO_0; ++ unsigned long regio = ap->ioaddr.cmd_addr; ++ u8 addr; ++ ++ /* Address table precomputed with prefetch off and a DCLK of 2 */ ++ static const u8 addr_timing[2][5] = { ++ { 0x30, 0x20, 0x20, 0x10, 0x10 }, ++ { 0x20, 0x20, 0x10, 0x10, 0x10 } ++ }; ++ static const u8 data_rec_timing[2][5] = { ++ { 0x6B, 0x56, 0x42, 0x32, 0x31 }, ++ { 0x58, 0x44, 0x32, 0x22, 0x21 } ++ }; ++ ++ outb(0xff, regio + 5); ++ clock = inw(regio + 5) & 1; ++ ++ /* ++ * As with many controllers the address setup time is shared ++ * and must suit both devices if present. ++ */ ++ ++ addr = addr_timing[clock][pio]; ++ if (pair) { ++ /* Hardware constraint */ ++ u8 pair_addr = addr_timing[clock][pair->pio_mode - XFER_PIO_0]; ++ if (pair_addr > addr) ++ addr = pair_addr; ++ } ++ ++ /* Commence primary programming sequence */ ++ opti_write_reg(ap, adev->devno, MISC_REG); ++ opti_write_reg(ap, data_rec_timing[clock][pio], READ_REG); ++ opti_write_reg(ap, data_rec_timing[clock][pio], WRITE_REG); ++ opti_write_reg(ap, addr, MISC_REG); ++ ++ /* Programming sequence complete, override strapping */ ++ opti_write_reg(ap, 0x85, CNTRL_REG); ++} ++ ++static struct scsi_host_template opti_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations opti_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = opti_set_piomode, ++/* .set_dmamode = opti_set_dmamode, */ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = opti_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int opti_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info = { ++ .sht = &opti_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .port_ops = &opti_port_ops ++ }; ++ static struct ata_port_info *port_info[2] = { &info, &info }; ++ static int printed_version; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n"); ++ ++ return ata_pci_init_one(dev, port_info, 2); ++} ++ ++static const struct pci_device_id opti[] = { ++ { PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C621, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, ++ { 0, }, ++}; ++ ++static struct pci_driver opti_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = opti, ++ .probe = opti_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init opti_init(void) ++{ ++ return pci_register_driver(&opti_pci_driver); ++} ++ ++ ++static void __exit opti_exit(void) ++{ ++ pci_unregister_driver(&opti_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for Opti 621/621X"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, opti); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(opti_init); ++module_exit(opti_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_pcmcia.c linux-2.6.16-rc4/drivers/scsi/pata_pcmcia.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_pcmcia.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_pcmcia.c 2006-01-21 16:55:56.000000000 +0000 +@@ -0,0 +1,406 @@ ++/* ++ * pata-pcmcia.c - PCMCIA PATA controller driver. ++ * Copyright 2005/2006 Red Hat Inc <alan@redhat.com>, all rights reserved. ++ * ++ * Heavily based upon ide-cs.c ++ * The initial developer of the original code is David A. Hinds ++ * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds ++ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/ata.h> ++#include <linux/libata.h> ++ ++#include <pcmcia/cs_types.h> ++#include <pcmcia/cs.h> ++#include <pcmcia/cistpl.h> ++#include <pcmcia/ds.h> ++#include <pcmcia/cisreg.h> ++#include <pcmcia/ciscode.h> ++ ++ ++#define DRV_NAME "pata_pcmcia" ++#define DRV_VERSION "0.1" ++ ++/* ++ * Private data structure to glue stuff together ++ */ ++ ++struct ata_pcmcia_info { ++ dev_link_t link; ++ int ndev; ++ dev_node_t node; ++}; ++ ++static struct scsi_host_template pcmcia_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations pcmcia_port_ops = { ++ .port_disable = ata_port_disable, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++#define CS_CHECK(fn, ret) \ ++do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) ++ ++/** ++ * pcmcia_init_one - attach an pcmcia interface ++ * @pdev: pcmcia device ++ * ++ * Register a PCMCIA IDE interface. Such interfaces are PIO 0 and ++ * non shared IRQ. ++ */ ++ ++static int pcmcia_init_one(struct pcmcia_device *pdev) ++{ ++ struct ata_probe_ent ae; ++ dev_link_t *link; ++ struct ata_pcmcia_info *info; ++ client_handle_t handle; ++ tuple_t tuple; ++ struct { ++ unsigned short buf[128]; ++ cisparse_t parse; ++ config_info_t conf; ++ cistpl_cftable_entry_t dflt; ++ } *stk = NULL; ++ cistpl_cftable_entry_t *cfg; ++ int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM; ++ unsigned long io_base, ctl_base; ++ ++ info = kzalloc(sizeof(*info), GFP_KERNEL); ++ if (info == NULL) ++ return -ENOMEM; ++ ++ link = &info->link; ++ link->priv = info; ++ ++ link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; ++ link->io.Attributes2 = IO_DATA_PATH_WIDTH_8; ++ link->io.IOAddrLines = 3; ++ link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; ++ link->irq.IRQInfo1 = IRQ_LEVEL_ID; ++ link->conf.Attributes = CONF_ENABLE_IRQ; ++ link->conf.Vcc = 50; ++ link->conf.IntType = INT_MEMORY_AND_IO; ++ ++ link->handle = pdev; ++ pdev->instance = link; ++ ++ handle = link->handle; ++ ++ link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; ++ ++ stk = kzalloc(sizeof(*stk), GFP_KERNEL); ++ if (!stk) ++ goto out1; ++ ++ cfg = &stk->parse.cftable_entry; ++ ++ tuple.TupleData = (cisdata_t *)&stk->buf; ++ tuple.TupleOffset = 0; ++ tuple.TupleDataMax = 255; ++ tuple.Attributes = 0; ++ tuple.DesiredTuple = CISTPL_CONFIG; ++ ++ CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); ++ CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); ++ CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &stk->parse)); ++ link->conf.ConfigBase = stk->parse.config.base; ++ link->conf.Present = stk->parse.config.rmask[0]; ++ ++ tuple.DesiredTuple = CISTPL_MANFID; ++ if (!pcmcia_get_first_tuple(handle, &tuple) && !pcmcia_get_tuple_data(handle, &tuple) && !pcmcia_parse_tuple(handle, &tuple, &stk->parse)) ++ is_kme = ((stk->parse.manfid.manf == MANFID_KME) && ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) || (stk->parse.manfid.card == PRODID_KME_KXLC005_B))); ++ ++ /* Configure card */ ++ link->state |= DEV_CONFIG; ++ ++ /* Not sure if this is right... look up the current Vcc */ ++ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &stk->conf)); ++ link->conf.Vcc = stk->conf.Vcc; ++ ++ pass = io_base = ctl_base = 0; ++ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; ++ tuple.Attributes = 0; ++ CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); ++ ++ while (1) { ++ if (pcmcia_get_tuple_data(handle, &tuple) != 0) ++ goto next_entry; ++ if (pcmcia_parse_tuple(handle, &tuple, &stk->parse) != 0) ++ goto next_entry; ++ /* Check for matching Vcc, unless we're desperate */ ++ if (!pass) { ++ if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { ++ if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) ++ goto next_entry; ++ } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) { ++ if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000) ++ goto next_entry; ++ } ++ } ++ ++ if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) ++ link->conf.Vpp1 = link->conf.Vpp2 = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; ++ else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) ++ link->conf.Vpp1 = link->conf.Vpp2 = stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; ++ ++ if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) { ++ cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io; ++ link->conf.ConfigIndex = cfg->index; ++ link->io.BasePort1 = io->win[0].base; ++ link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; ++ if (!(io->flags & CISTPL_IO_16BIT)) ++ link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; ++ if (io->nwin == 2) { ++ link->io.NumPorts1 = 8; ++ link->io.BasePort2 = io->win[1].base; ++ link->io.NumPorts2 = (is_kme) ? 2 : 1; ++ if (pcmcia_request_io(link->handle, &link->io) != 0) ++ goto next_entry; ++ io_base = link->io.BasePort1; ++ ctl_base = link->io.BasePort2; ++ } else if ((io->nwin == 1) && (io->win[0].len >= 16)) { ++ link->io.NumPorts1 = io->win[0].len; ++ link->io.NumPorts2 = 0; ++ if (pcmcia_request_io(link->handle, &link->io) != 0) ++ goto next_entry; ++ io_base = link->io.BasePort1; ++ ctl_base = link->io.BasePort1 + 0x0e; ++ } else goto next_entry; ++ /* If we've got this far, we're done */ ++ break; ++ } ++next_entry: ++ if (cfg->flags & CISTPL_CFTABLE_DEFAULT) ++ memcpy(&stk->dflt, cfg, sizeof(stk->dflt)); ++ if (pass) { ++ CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); ++ } else if (pcmcia_get_next_tuple(handle, &tuple) != 0) { ++ CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); ++ memset(&stk->dflt, 0, sizeof(stk->dflt)); ++ pass++; ++ } ++ } ++ ++ if (is_kme) ++ outb(0x81, ctl_base + 0x01); ++ ++ /* FIXME: Could be more ports at base + 0x10 but we only deal with ++ one right now */ ++ ++ if (link->io.NumPorts1 >= 0x20) ++ printk(KERN_WARNING DRV_NAME ": second channel not yet supported.\n"); ++ ++ /* ++ * Having done the PCMCIA plumbing the ATA side is relatively ++ * sane. ++ */ ++ ++ memset(&ae, 0, sizeof(struct ata_probe_ent)); ++ INIT_LIST_HEAD(&ae.node); ++ ae.dev = &pdev->dev; ++ ae.port_ops = &pcmcia_port_ops; ++ ae.sht = &pcmcia_sht; ++ ae.n_ports = 1; ++ ae.pio_mask = 1; /* ISA so PIO 0 cycles */ ++ ae.irq = link->irq.AssignedIRQ; ++ ae.irq_flags = 0; ++ ae.host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_IRQ_MASK; ++ ae.port[0].cmd_addr = io_base; ++ ae.port[0].altstatus_addr = ctl_base; ++ ae.port[0].ctl_addr = ctl_base; ++ ata_std_ports(&ae.port[0]); ++ ++ if (ata_device_add(&ae) == 0) ++ goto failed; ++ ++ info->ndev = 1; ++ link->dev = &info->node; ++ link->state &= ~DEV_CONFIG_PENDING; ++ kfree(stk); ++ return 0; ++ ++cs_failed: ++ cs_error(link->handle, last_fn, last_ret); ++failed: ++ kfree(stk); ++ info->ndev = 0; ++ link->dev = NULL; ++ ++ pcmcia_release_configuration(link->handle); ++ pcmcia_release_io(link->handle, &link->io); ++ pcmcia_release_irq(link->handle, &link->irq); ++ ++ link->state &= ~DEV_CONFIG; ++out1: ++ kfree(info); ++ return ret; ++} ++ ++/** ++ * pcmcia_remove_one - unplug an pcmcia interface ++ * @pdev: pcmcia device ++ * ++ * A PCMCIA ATA device has been unplugged. Perform the needed ++ * cleanup. Also called on module unload for any active devices. ++ */ ++ ++void pcmcia_remove_one(struct pcmcia_device *pdev) ++{ ++ dev_link_t *link = dev_to_instance(pdev); ++ struct ata_pcmcia_info *info = link->priv; ++ struct device *dev = &pdev->dev; ++ ++ if (link->state & DEV_CONFIG) { ++ if (info->ndev) { ++ struct ata_host_set *host_set = dev_get_drvdata(dev); ++ ata_host_set_remove(host_set); ++ dev_set_drvdata(dev, NULL); ++ } ++ info->ndev = 0; ++ link->dev = NULL; ++ ++ pcmcia_release_configuration(link->handle); ++ pcmcia_release_io(link->handle, &link->io); ++ pcmcia_release_irq(link->handle, &link->irq); ++ link->state &= ~DEV_CONFIG; ++ } ++ kfree(link->priv); ++} ++ ++static int pcmcia_suspend(struct pcmcia_device *dev) ++{ ++ dev_link_t *link = dev_to_instance(dev); ++ ++ link->state |= DEV_SUSPEND; ++ if (link->state & DEV_CONFIG) ++ pcmcia_release_configuration(link->handle); ++ ++ return 0; ++} ++ ++static int pcmcia_resume(struct pcmcia_device *dev) ++{ ++ dev_link_t *link = dev_to_instance(dev); ++ ++ link->state &= ~DEV_SUSPEND; ++ if (DEV_OK(link)) ++ pcmcia_request_configuration(link->handle, &link->conf); ++ ++ return 0; ++} ++ ++static struct pcmcia_device_id pcmcia_devices[] = { ++ PCMCIA_DEVICE_FUNC_ID(4), ++ PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */ ++ PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704), ++ PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), ++ PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */ ++ PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d), ++ PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */ ++ PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */ ++ PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001), ++ PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar */ ++ PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0), ++ PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74), ++ PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9), ++ PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591), ++ PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728), ++ PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591), ++ PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4), ++ PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde), ++ PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf), ++ PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591), ++ PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728), ++ PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e), ++ PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae), ++ PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178), ++ PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753), ++ PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b), ++ PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149), ++ PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674), ++ PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b), ++ PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79), ++ PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591), ++ PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728), ++ PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1), ++ PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003), ++ PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), ++ PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), ++ PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e), ++ PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6), ++ PCMCIA_DEVICE_NULL, ++}; ++ ++MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices); ++ ++static struct pcmcia_driver pcmcia_driver = { ++ .owner = THIS_MODULE, ++ .drv { ++ .name = DRV_NAME, ++ }, ++ .id_table = pcmcia_devices, ++ .probe = pcmcia_init_one, ++ .remove = pcmcia_remove_one, ++ .suspend = pcmcia_suspend, ++ .resume = pcmcia_resume, ++}; ++ ++static int __init pcmcia_init(void) ++{ ++ return pcmcia_register_driver(&pcmcia_driver); ++} ++ ++static void __exit pcmcia_exit(void) ++{ ++ pcmcia_unregister_driver(&pcmcia_driver); ++} ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for PCMCIA ATA"); ++MODULE_LICENSE("GPL"); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(pcmcia_init); ++module_exit(pcmcia_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_pdc2027x.c linux-2.6.16-rc4/drivers/scsi/pata_pdc2027x.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_pdc2027x.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_pdc2027x.c 2006-01-21 16:56:47.000000000 +0000 +@@ -0,0 +1,857 @@ ++/* ++ * Promise PATA TX2/TX4/TX2000/133 IDE driver for pdc20268 to pdc20277. ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version ++ * 2 of the License, or (at your option) any later version. ++ * ++ * Ported to libata by: ++ * Albert Lee <albertcc@tw.ibm.com> IBM Corporation ++ * ++ * Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org> ++ * Portions Copyright (C) 1999 Promise Technology, Inc. ++ * ++ * Author: Frank Tiernan (frankt@promise.com) ++ * Released under terms of General Public License ++ * ++ * ++ * libata documentation is available via 'make {ps|pdf}docs', ++ * as Documentation/DocBook/libata.* ++ * ++ * Hardware information only available under NDA. ++ * ++ */ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <linux/device.h> ++#include <scsi/scsi.h> ++#include <scsi/scsi_host.h> ++#include <scsi/scsi_cmnd.h> ++#include <linux/libata.h> ++#include <asm/io.h> ++ ++#define DRV_NAME "pata_pdc2027x" ++#define DRV_VERSION "0.73" ++#undef PDC_DEBUG ++ ++#ifdef PDC_DEBUG ++#define PDPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args) ++#else ++#define PDPRINTK(fmt, args...) ++#endif ++ ++enum { ++ PDC_UDMA_100 = 0, ++ PDC_UDMA_133 = 1, ++ ++ PDC_100_MHZ = 100000000, ++ PDC_133_MHZ = 133333333, ++ ++ PDC_SYS_CTL = 0x1100, ++ PDC_ATA_CTL = 0x1104, ++ PDC_GLOBAL_CTL = 0x1108, ++ PDC_CTCR0 = 0x110C, ++ PDC_CTCR1 = 0x1110, ++ PDC_BYTE_COUNT = 0x1120, ++ PDC_PLL_CTL = 0x1202, ++}; ++ ++static int pdc2027x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); ++static void pdc2027x_remove_one(struct pci_dev *pdev); ++static void pdc2027x_phy_reset(struct ata_port *ap); ++static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev); ++static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev); ++static void pdc2027x_post_set_mode(struct ata_port *ap); ++static int pdc2027x_check_atapi_dma(struct ata_queued_cmd *qc); ++ ++/* ++ * ATA Timing Tables based on 133MHz controller clock. ++ * These tables are only used when the controller is in 133MHz clock. ++ * If the controller is in 100MHz clock, the ASIC hardware will ++ * set the timing registers automatically when "set feature" command ++ * is issued to the device. However, if the controller clock is 133MHz, ++ * the following tables must be used. ++ */ ++static struct pdc2027x_pio_timing { ++ u8 value0, value1, value2; ++} pdc2027x_pio_timing_tbl [] = { ++ { 0xfb, 0x2b, 0xac }, /* PIO mode 0 */ ++ { 0x46, 0x29, 0xa4 }, /* PIO mode 1 */ ++ { 0x23, 0x26, 0x64 }, /* PIO mode 2 */ ++ { 0x27, 0x0d, 0x35 }, /* PIO mode 3, IORDY on, Prefetch off */ ++ { 0x23, 0x09, 0x25 }, /* PIO mode 4, IORDY on, Prefetch off */ ++}; ++ ++static struct pdc2027x_mdma_timing { ++ u8 value0, value1; ++} pdc2027x_mdma_timing_tbl [] = { ++ { 0xdf, 0x5f }, /* MDMA mode 0 */ ++ { 0x6b, 0x27 }, /* MDMA mode 1 */ ++ { 0x69, 0x25 }, /* MDMA mode 2 */ ++}; ++ ++static struct pdc2027x_udma_timing { ++ u8 value0, value1, value2; ++} pdc2027x_udma_timing_tbl [] = { ++ { 0x4a, 0x0f, 0xd5 }, /* UDMA mode 0 */ ++ { 0x3a, 0x0a, 0xd0 }, /* UDMA mode 1 */ ++ { 0x2a, 0x07, 0xcd }, /* UDMA mode 2 */ ++ { 0x1a, 0x05, 0xcd }, /* UDMA mode 3 */ ++ { 0x1a, 0x03, 0xcd }, /* UDMA mode 4 */ ++ { 0x1a, 0x02, 0xcb }, /* UDMA mode 5 */ ++ { 0x1a, 0x01, 0xcb }, /* UDMA mode 6 */ ++}; ++ ++static const struct pci_device_id pdc2027x_pci_tbl[] = { ++#ifdef ATA_ENABLE_PATA ++ { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20268, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PDC_UDMA_100 }, ++ { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20269, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PDC_UDMA_133 }, ++ { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20270, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PDC_UDMA_100 }, ++ { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20271, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PDC_UDMA_133 }, ++ { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20275, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PDC_UDMA_133 }, ++ { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20276, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PDC_UDMA_133 }, ++ { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20277, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PDC_UDMA_133 }, ++#endif ++ { } /* terminate list */ ++}; ++ ++static struct pci_driver pdc2027x_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = pdc2027x_pci_tbl, ++ .probe = pdc2027x_init_one, ++ .remove = __devexit_p(pdc2027x_remove_one), ++}; ++ ++static struct scsi_host_template pdc2027x_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++}; ++ ++static struct ata_port_operations pdc2027x_pata100_ops = { ++ .port_disable = ata_port_disable, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = pdc2027x_phy_reset, ++ ++ .check_atapi_dma = pdc2027x_check_atapi_dma, ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_mmio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++static struct ata_port_operations pdc2027x_pata133_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = pdc2027x_set_piomode, ++ .set_dmamode = pdc2027x_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = pdc2027x_phy_reset, ++ .post_set_mode = pdc2027x_post_set_mode, ++ ++ .check_atapi_dma = pdc2027x_check_atapi_dma, ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_mmio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++static struct ata_port_info pdc2027x_port_info[] = { ++ /* PDC_UDMA_100 */ ++ { ++ .sht = &pdc2027x_sht, ++ .host_flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_SLAVE_POSS | ++ ATA_FLAG_SRST | ATA_FLAG_MMIO, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .mwdma_mask = 0x07, /* mwdma0-2 */ ++ .udma_mask = ATA_UDMA5, /* udma0-5 */ ++ .port_ops = &pdc2027x_pata100_ops, ++ }, ++ /* PDC_UDMA_133 */ ++ { ++ .sht = &pdc2027x_sht, ++ .host_flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_SLAVE_POSS | ++ ATA_FLAG_SRST | ATA_FLAG_MMIO, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .mwdma_mask = 0x07, /* mwdma0-2 */ ++ .udma_mask = ATA_UDMA6, /* udma0-6 */ ++ .port_ops = &pdc2027x_pata133_ops, ++ }, ++}; ++ ++MODULE_AUTHOR("Andre Hedrick, Frank Tiernan, Albert Lee"); ++MODULE_DESCRIPTION("libata driver module for Promise PDC20268 to PDC20277"); ++MODULE_LICENSE("GPL"); ++MODULE_VERSION(DRV_VERSION); ++MODULE_DEVICE_TABLE(pci, pdc2027x_pci_tbl); ++ ++/** ++ * port_mmio - Get the MMIO address of PDC2027x extended registers ++ * @ap: Port ++ * @offset: offset from mmio base ++ */ ++static inline void* port_mmio(struct ata_port *ap, unsigned int offset) ++{ ++ return ap->host_set->mmio_base + ap->port_no * 0x100 + offset; ++} ++ ++/** ++ * dev_mmio - Get the MMIO address of PDC2027x extended registers ++ * @ap: Port ++ * @adev: device ++ * @offset: offset from mmio base ++ */ ++static inline void* dev_mmio(struct ata_port *ap, struct ata_device *adev, unsigned int offset) ++{ ++ u8 adj = (adev->devno) ? 0x08 : 0x00; ++ return port_mmio(ap, offset) + adj; ++} ++ ++/** ++ * pdc2027x_pata_cbl_detect - Probe host controller cable detect info ++ * @ap: Port for which cable detect info is desired ++ * ++ * Read 80c cable indicator from Promise extended register. ++ * This register is latched when the system is reset. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++static void pdc2027x_cbl_detect(struct ata_port *ap) ++{ ++ u32 cgcr; ++ ++ /* check cable detect results */ ++ cgcr = readl(port_mmio(ap, PDC_GLOBAL_CTL)); ++ if (cgcr & (1 << 26)) ++ goto cbl40; ++ ++ PDPRINTK("No cable or 80-conductor cable on port %d\n", ap->port_no); ++ ++ ap->cbl = ATA_CBL_PATA80; ++ return; ++ ++cbl40: ++ printk(KERN_INFO DRV_NAME ": 40-conductor cable detected on port %d\n", ap->port_no); ++ ap->cbl = ATA_CBL_PATA40; ++ ap->udma_mask &= ATA_UDMA_MASK_40C; ++} ++ ++/** ++ * pdc2027x_port_enabled - Check PDC ATA control register to see whether the port is enabled. ++ * @ap: Port to check ++ */ ++static inline int pdc2027x_port_enabled(struct ata_port *ap) ++{ ++ return readb(port_mmio(ap, PDC_ATA_CTL)) & 0x02; ++} ++ ++/** ++ * pdc2027x_phy_reset - Probe specified port on PATA host controller ++ * @ap: Port to probe ++ * ++ * Probe PATA phy. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++static void pdc2027x_phy_reset(struct ata_port *ap) ++{ ++ /* Check whether port enabled */ ++ if (!pdc2027x_port_enabled(ap)) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ++ pdc2027x_cbl_detect(ap); ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * pdc2027x_set_piomode - Initialize host controller PATA PIO timings ++ * @ap: Port to configure ++ * @adev: um ++ * @pio: PIO mode, 0 - 4 ++ * ++ * Set PIO mode for device. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ unsigned int pio = adev->pio_mode - XFER_PIO_0; ++ u32 ctcr0, ctcr1; ++ ++ PDPRINTK("adev->pio_mode[%X]\n", adev->pio_mode); ++ ++ /* Sanity check */ ++ if (pio > 4) { ++ printk(KERN_ERR DRV_NAME ": Unknown pio mode [%d] ignored\n", pio); ++ return; ++ ++ } ++ ++ /* Set the PIO timing registers using value table for 133MHz */ ++ PDPRINTK("Set pio regs... \n"); ++ ++ ctcr0 = readl(dev_mmio(ap, adev, PDC_CTCR0)); ++ ctcr0 &= 0xffff0000; ++ ctcr0 |= pdc2027x_pio_timing_tbl[pio].value0 | ++ (pdc2027x_pio_timing_tbl[pio].value1 << 8); ++ writel(ctcr0, dev_mmio(ap, adev, PDC_CTCR0)); ++ ++ ctcr1 = readl(dev_mmio(ap, adev, PDC_CTCR1)); ++ ctcr1 &= 0x00ffffff; ++ ctcr1 |= (pdc2027x_pio_timing_tbl[pio].value2 << 24); ++ writel(ctcr1, dev_mmio(ap, adev, PDC_CTCR1)); ++ ++ PDPRINTK("Set pio regs done\n"); ++ ++ PDPRINTK("Set to pio mode[%u] \n", pio); ++} ++ ++/** ++ * pdc2027x_set_dmamode - Initialize host controller PATA UDMA timings ++ * @ap: Port to configure ++ * @adev: um ++ * @udma: udma mode, XFER_UDMA_0 to XFER_UDMA_6 ++ * ++ * Set UDMA mode for device. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ unsigned int dma_mode = adev->dma_mode; ++ u32 ctcr0, ctcr1; ++ ++ if ((dma_mode >= XFER_UDMA_0) && ++ (dma_mode <= XFER_UDMA_6)) { ++ /* Set the UDMA timing registers with value table for 133MHz */ ++ unsigned int udma_mode = dma_mode & 0x07; ++ ++ if (dma_mode == XFER_UDMA_2) { ++ /* ++ * Turn off tHOLD. ++ * If tHOLD is '1', the hardware will add half clock for data hold time. ++ * This code segment seems to be no effect. tHOLD will be overwritten below. ++ */ ++ ctcr1 = readl(dev_mmio(ap, adev, PDC_CTCR1)); ++ writel(ctcr1 & ~(1 << 7), dev_mmio(ap, adev, PDC_CTCR1)); ++ } ++ ++ PDPRINTK("Set udma regs... \n"); ++ ++ ctcr1 = readl(dev_mmio(ap, adev, PDC_CTCR1)); ++ ctcr1 &= 0xff000000; ++ ctcr1 |= pdc2027x_udma_timing_tbl[udma_mode].value0 | ++ (pdc2027x_udma_timing_tbl[udma_mode].value1 << 8) | ++ (pdc2027x_udma_timing_tbl[udma_mode].value2 << 16); ++ writel(ctcr1, dev_mmio(ap, adev, PDC_CTCR1)); ++ ++ PDPRINTK("Set udma regs done\n"); ++ ++ PDPRINTK("Set to udma mode[%u] \n", udma_mode); ++ ++ } else if ((dma_mode >= XFER_MW_DMA_0) && ++ (dma_mode <= XFER_MW_DMA_2)) { ++ /* Set the MDMA timing registers with value table for 133MHz */ ++ unsigned int mdma_mode = dma_mode & 0x07; ++ ++ PDPRINTK("Set mdma regs... \n"); ++ ctcr0 = readl(dev_mmio(ap, adev, PDC_CTCR0)); ++ ++ ctcr0 &= 0x0000ffff; ++ ctcr0 |= (pdc2027x_mdma_timing_tbl[mdma_mode].value0 << 16) | ++ (pdc2027x_mdma_timing_tbl[mdma_mode].value1 << 24); ++ ++ writel(ctcr0, dev_mmio(ap, adev, PDC_CTCR0)); ++ PDPRINTK("Set mdma regs done\n"); ++ ++ PDPRINTK("Set to mdma mode[%u] \n", mdma_mode); ++ } else { ++ printk(KERN_ERR DRV_NAME ": Unknown dma mode [%u] ignored\n", dma_mode); ++ } ++} ++ ++/** ++ * pdc2027x_post_set_mode - Set the timing registers back to correct values. ++ * @ap: Port to configure ++ * ++ * The pdc2027x hardware will look at "SET FEATURES" and change the timing registers ++ * automatically. The values set by the hardware might be incorrect, under 133Mhz PLL. ++ * This function overwrites the possibly incorrect values set by the hardware to be correct. ++ */ ++static void pdc2027x_post_set_mode(struct ata_port *ap) ++{ ++ int i; ++ ++ for (i = 0; i < ATA_MAX_DEVICES; i++) { ++ struct ata_device *dev = &ap->device[i]; ++ ++ if (ata_dev_present(dev)) { ++ ++ pdc2027x_set_piomode(ap, dev); ++ ++ /* ++ * Enable prefetch if the device support PIO only. ++ */ ++ if (dev->xfer_shift == ATA_SHIFT_PIO) { ++ u32 ctcr1 = readl(dev_mmio(ap, dev, PDC_CTCR1)); ++ ctcr1 |= (1 << 25); ++ writel(ctcr1, dev_mmio(ap, dev, PDC_CTCR1)); ++ ++ PDPRINTK("Turn on prefetch\n"); ++ } else { ++ pdc2027x_set_dmamode(ap, dev); ++ } ++ } ++ } ++} ++ ++/** ++ * pdc2027x_check_atapi_dma - Check whether ATAPI DMA can be supported for this command ++ * @qc: Metadata associated with taskfile to check ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ * ++ * RETURNS: 0 when ATAPI DMA can be used ++ * 1 otherwise ++ */ ++static int pdc2027x_check_atapi_dma(struct ata_queued_cmd *qc) ++{ ++ struct scsi_cmnd *cmd = qc->scsicmd; ++ u8 *scsicmd = cmd->cmnd; ++ int rc = 1; /* atapi dma off by default */ ++ ++ /* ++ * This workaround is from Promise's GPL driver. ++ * If ATAPI DMA is used for commands not in the ++ * following white list, say MODE_SENSE and REQUEST_SENSE, ++ * pdc2027x might hit the irq lost problem. ++ */ ++ switch (scsicmd[0]) { ++ case READ_10: ++ case WRITE_10: ++ case READ_12: ++ case WRITE_12: ++ case READ_6: ++ case WRITE_6: ++ case 0xad: /* READ_DVD_STRUCTURE */ ++ case 0xbe: /* READ_CD */ ++ /* ATAPI DMA is ok */ ++ rc = 0; ++ break; ++ default: ++ ; ++ } ++ ++ return rc; ++} ++ ++/** ++ * pdc_read_counter - Read the ctr counter ++ * @probe_ent: for the port address ++ */ ++ ++static long pdc_read_counter(struct ata_probe_ent *probe_ent) ++{ ++ long counter; ++ int retry = 1; ++ u32 bccrl, bccrh, bccrlv, bccrhv; ++ ++retry: ++ bccrl = readl(probe_ent->mmio_base + PDC_BYTE_COUNT) & 0xffff; ++ bccrh = readl(probe_ent->mmio_base + PDC_BYTE_COUNT + 0x100) & 0xffff; ++ rmb(); ++ ++ /* Read the counter values again for verification */ ++ bccrlv = readl(probe_ent->mmio_base + PDC_BYTE_COUNT) & 0xffff; ++ bccrhv = readl(probe_ent->mmio_base + PDC_BYTE_COUNT + 0x100) & 0xffff; ++ rmb(); ++ ++ counter = (bccrh << 15) | bccrl; ++ ++ PDPRINTK("bccrh [%X] bccrl [%X]\n", bccrh, bccrl); ++ PDPRINTK("bccrhv[%X] bccrlv[%X]\n", bccrhv, bccrlv); ++ ++ /* ++ * The 30-bit decreasing counter are read by 2 pieces. ++ * Incorrect value may be read when both bccrh and bccrl are changing. ++ * Ex. When 7900 decrease to 78FF, wrong value 7800 might be read. ++ */ ++ if (retry && !(bccrh == bccrhv && bccrl >= bccrlv)) { ++ retry--; ++ PDPRINTK("rereading counter\n"); ++ goto retry; ++ } ++ ++ return counter; ++} ++ ++/** ++ * adjust_pll - Adjust the PLL input clock in Hz. ++ * ++ * @pdc_controller: controller specific information ++ * @probe_ent: For the port address ++ * @pll_clock: The input of PLL in HZ ++ */ ++static void pdc_adjust_pll(struct ata_probe_ent *probe_ent, long pll_clock, unsigned int board_idx) ++{ ++ ++ u16 pll_ctl; ++ long pll_clock_khz = pll_clock / 1000; ++ long pout_required = board_idx? PDC_133_MHZ:PDC_100_MHZ; ++ long ratio = pout_required / pll_clock_khz; ++ int F, R; ++ ++ /* Sanity check */ ++ if (unlikely(pll_clock_khz < 5000L || pll_clock_khz > 70000L)) { ++ printk(KERN_ERR DRV_NAME ": Invalid PLL input clock %ldkHz, give up!\n", pll_clock_khz); ++ return; ++ } ++ ++#ifdef PDC_DEBUG ++ PDPRINTK("pout_required is %ld\n", pout_required); ++ ++ /* Show the current clock value of PLL control register ++ * (maybe already configured by the firmware) ++ */ ++ pll_ctl = readw(probe_ent->mmio_base + PDC_PLL_CTL); ++ ++ PDPRINTK("pll_ctl[%X]\n", pll_ctl); ++#endif ++ ++ /* ++ * Calculate the ratio of F, R and OD ++ * POUT = (F + 2) / (( R + 2) * NO) ++ */ ++ if (ratio < 8600L) { /* 8.6x */ ++ /* Using NO = 0x01, R = 0x0D */ ++ R = 0x0d; ++ } else if (ratio < 12900L) { /* 12.9x */ ++ /* Using NO = 0x01, R = 0x08 */ ++ R = 0x08; ++ } else if (ratio < 16100L) { /* 16.1x */ ++ /* Using NO = 0x01, R = 0x06 */ ++ R = 0x06; ++ } else if (ratio < 64000L) { /* 64x */ ++ R = 0x00; ++ } else { ++ /* Invalid ratio */ ++ printk(KERN_ERR DRV_NAME ": Invalid ratio %ld, give up!\n", ratio); ++ return; ++ } ++ ++ F = (ratio * (R+2)) / 1000 - 2; ++ ++ if (unlikely(F < 0 || F > 127)) { ++ /* Invalid F */ ++ printk(KERN_ERR DRV_NAME ": F[%d] invalid!\n", F); ++ return; ++ } ++ ++ PDPRINTK("F[%d] R[%d] ratio*1000[%ld]\n", F, R, ratio); ++ ++ pll_ctl = (R << 8) | F; ++ ++ PDPRINTK("Writing pll_ctl[%X]\n", pll_ctl); ++ ++ writew(pll_ctl, probe_ent->mmio_base + PDC_PLL_CTL); ++ readw(probe_ent->mmio_base + PDC_PLL_CTL); /* flush */ ++ ++ /* Wait the PLL circuit to be stable */ ++ mdelay(30); ++ ++#ifdef PDC_DEBUG ++ /* ++ * Show the current clock value of PLL control register ++ * (maybe configured by the firmware) ++ */ ++ pll_ctl = readw(probe_ent->mmio_base + PDC_PLL_CTL); ++ ++ PDPRINTK("pll_ctl[%X]\n", pll_ctl); ++#endif ++ ++ return; ++} ++ ++/** ++ * detect_pll_input_clock - Detect the PLL input clock in Hz. ++ * @probe_ent: for the port address ++ * Ex. 16949000 on 33MHz PCI bus for pdc20275. ++ * Half of the PCI clock. ++ */ ++static long pdc_detect_pll_input_clock(struct ata_probe_ent *probe_ent) ++{ ++ u32 scr; ++ long start_count, end_count; ++ long pll_clock; ++ ++ /* Read current counter value */ ++ start_count = pdc_read_counter(probe_ent); ++ ++ /* Start the test mode */ ++ scr = readl(probe_ent->mmio_base + PDC_SYS_CTL); ++ PDPRINTK("scr[%X]\n", scr); ++ writel(scr | (0x01 << 14), probe_ent->mmio_base + PDC_SYS_CTL); ++ readl(probe_ent->mmio_base + PDC_SYS_CTL); /* flush */ ++ ++ /* Let the counter run for 100 ms. */ ++ mdelay(100); ++ ++ /* Read the counter values again */ ++ end_count = pdc_read_counter(probe_ent); ++ ++ /* Stop the test mode */ ++ scr = readl(probe_ent->mmio_base + PDC_SYS_CTL); ++ PDPRINTK("scr[%X]\n", scr); ++ writel(scr & ~(0x01 << 14), probe_ent->mmio_base + PDC_SYS_CTL); ++ readl(probe_ent->mmio_base + PDC_SYS_CTL); /* flush */ ++ ++ /* calculate the input clock in Hz */ ++ pll_clock = (start_count - end_count) * 10; ++ ++ PDPRINTK("start[%ld] end[%ld] \n", start_count, end_count); ++ PDPRINTK("PLL input clock[%ld]Hz\n", pll_clock); ++ ++ return pll_clock; ++} ++ ++/** ++ * pdc_hardware_init - Initialize the hardware. ++ * @pdev: instance of pci_dev found ++ * @pdc_controller: controller specific information ++ * @pe: for the port address ++ */ ++static int pdc_hardware_init(struct pci_dev *pdev, struct ata_probe_ent *pe, unsigned int board_idx) ++{ ++ long pll_clock; ++ ++ /* ++ * Detect PLL input clock rate. ++ * On some system, where PCI bus is running at non-standard clock rate. ++ * Ex. 25MHz or 40MHz, we have to adjust the cycle_time. ++ * The pdc20275 controller employs PLL circuit to help correct timing registers setting. ++ */ ++ pll_clock = pdc_detect_pll_input_clock(pe); ++ ++ if (pll_clock < 0) /* counter overflow? Try again. */ ++ pll_clock = pdc_detect_pll_input_clock(pe); ++ ++ dev_printk(KERN_INFO, &pdev->dev, "PLL input clock %ld kHz\n", pll_clock/1000); ++ ++ /* Adjust PLL control register */ ++ pdc_adjust_pll(pe, pll_clock, board_idx); ++ ++ return 0; ++} ++ ++/** ++ * pdc_ata_setup_port - setup the mmio address ++ * @port: ata ioports to setup ++ * @base: base address ++ */ ++static void pdc_ata_setup_port(struct ata_ioports *port, unsigned long base) ++{ ++ port->cmd_addr = ++ port->data_addr = base; ++ port->feature_addr = ++ port->error_addr = base + 0x05; ++ port->nsect_addr = base + 0x0a; ++ port->lbal_addr = base + 0x0f; ++ port->lbam_addr = base + 0x10; ++ port->lbah_addr = base + 0x15; ++ port->device_addr = base + 0x1a; ++ port->command_addr = ++ port->status_addr = base + 0x1f; ++ port->altstatus_addr = ++ port->ctl_addr = base + 0x81a; ++} ++ ++/** ++ * pdc2027x_init_one - PCI probe function ++ * Called when an instance of PCI adapter is inserted. ++ * This function checks whether the hardware is supported, ++ * initialize hardware and register an instance of ata_host_set to ++ * libata by providing struct ata_probe_ent and ata_device_add(). ++ * (implements struct pci_driver.probe() ) ++ * ++ * @pdev: instance of pci_dev found ++ * @ent: matching entry in the id_tbl[] ++ */ ++static int __devinit pdc2027x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) ++{ ++ static int printed_version; ++ unsigned int board_idx = (unsigned int) ent->driver_data; ++ ++ struct ata_probe_ent *probe_ent = NULL; ++ unsigned long base; ++ void *mmio_base; ++ int rc; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); ++ ++ rc = pci_enable_device(pdev); ++ if (rc) ++ return rc; ++ ++ rc = pci_request_regions(pdev, DRV_NAME); ++ if (rc) ++ goto err_out; ++ ++ rc = pci_set_dma_mask(pdev, ATA_DMA_MASK); ++ if (rc) ++ goto err_out_regions; ++ ++ rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK); ++ if (rc) ++ goto err_out_regions; ++ ++ /* Prepare the probe entry */ ++ probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL); ++ if (probe_ent == NULL) { ++ rc = -ENOMEM; ++ goto err_out_regions; ++ } ++ ++ memset(probe_ent, 0, sizeof(*probe_ent)); ++ probe_ent->dev = pci_dev_to_dev(pdev); ++ INIT_LIST_HEAD(&probe_ent->node); ++ ++ mmio_base = ioremap(pci_resource_start(pdev, 5), ++ pci_resource_len(pdev, 5)); ++ ++ if (mmio_base == NULL) { ++ rc = -ENOMEM; ++ goto err_out_free_ent; ++ } ++ ++ base = (unsigned long) mmio_base; ++ ++ probe_ent->sht = pdc2027x_port_info[board_idx].sht; ++ probe_ent->host_flags = pdc2027x_port_info[board_idx].host_flags; ++ probe_ent->pio_mask = pdc2027x_port_info[board_idx].pio_mask; ++ probe_ent->mwdma_mask = pdc2027x_port_info[board_idx].mwdma_mask; ++ probe_ent->udma_mask = pdc2027x_port_info[board_idx].udma_mask; ++ probe_ent->port_ops = pdc2027x_port_info[board_idx].port_ops; ++ ++ probe_ent->irq = pdev->irq; ++ probe_ent->irq_flags = SA_SHIRQ; ++ probe_ent->mmio_base = mmio_base; ++ ++ pdc_ata_setup_port(&probe_ent->port[0], base + 0x17c0); ++ probe_ent->port[0].bmdma_addr = base + 0x1000; ++ pdc_ata_setup_port(&probe_ent->port[1], base + 0x15c0); ++ probe_ent->port[1].bmdma_addr = base + 0x1008; ++ ++ probe_ent->n_ports = 2; ++ ++ pci_set_master(pdev); ++ //pci_enable_intx(pdev); ++ ++ /* initialize adapter */ ++ if (pdc_hardware_init(pdev, probe_ent, board_idx) != 0) ++ goto err_out_free_ent; ++ ++ ata_device_add(probe_ent); ++ kfree(probe_ent); ++ ++ return 0; ++ ++err_out_free_ent: ++ kfree(probe_ent); ++err_out_regions: ++ pci_release_regions(pdev); ++err_out: ++ pci_disable_device(pdev); ++ return rc; ++} ++ ++/** ++ * pdc2027x_remove_one - Called to remove a single instance of the ++ * adapter. ++ * ++ * @dev: The PCI device to remove. ++ * FIXME: module load/unload not working yet ++ */ ++static void __devexit pdc2027x_remove_one(struct pci_dev *pdev) ++{ ++ ata_pci_remove_one(pdev); ++} ++ ++/** ++ * pdc2027x_init - Called after this module is loaded into the kernel. ++ */ ++static int __init pdc2027x_init(void) ++{ ++ return pci_register_driver(&pdc2027x_pci_driver); ++} ++ ++/** ++ * pdc2027x_exit - Called before this module unloaded from the kernel ++ */ ++static void __exit pdc2027x_exit(void) ++{ ++ pci_unregister_driver(&pdc2027x_pci_driver); ++} ++ ++module_init(pdc2027x_init); ++module_exit(pdc2027x_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_pdc202xx_old.c linux-2.6.16-rc4/drivers/scsi/pata_pdc202xx_old.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_pdc202xx_old.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_pdc202xx_old.c 2006-02-20 13:19:57.000000000 +0000 +@@ -0,0 +1,428 @@ ++/* ++ * pata_pdc202xx_old.c - SL82C105 PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * Based in part on linux/drivers/ide/pci/pdc202xx_old.c ++ * ++ * Initial revision ++ * ++ * TODO: ++ * Channel interlock/reset on both required ? ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_pdc202xx_old" ++#define DRV_VERSION "0.1.2" ++ ++static void pdc2024x_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++ ++static void pdc2026x_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u16 cis; ++ ++ pci_read_config_word(pdev, 0x50, &cis); ++ if (cis & (1 << (10 + ap->hard_port_no))) ++ ap->cbl = ATA_CBL_PATA80; ++ else ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++ ++/** ++ * pdc_configure_piomode - set chip PIO timing ++ * @ap: ATA interface ++ * @adev: ATA device ++ * @pio: PIO mode ++ * ++ * Called to do the PIO mode setup. Our timing registers are shared ++ * so a configure_dmamode call will undo any work we do here and vice ++ * versa ++ */ ++ ++static void pdc_configure_piomode(struct ata_port *ap, struct ata_device *adev, int pio) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int port = 0x60 + 4 * ap->hard_port_no + 2 * adev->devno; ++ static u16 pio_timing[5] = { ++ 0x0913, 0x050C , 0x0308, 0x0206, 0x0104 ++ }; ++ u8 r_ap, r_bp; ++ ++ /* FIFO, IORDY ? */ ++ pci_read_config_byte(pdev, port, &r_ap); ++ pci_read_config_byte(pdev, port + 1, &r_bp); ++ r_ap &= ~0x0F; ++ r_bp &= ~0x07; ++ r_ap |= (pio_timing[pio] >> 8); ++ r_bp |= (pio_timing[pio] & 0xFF); ++ pci_write_config_byte(pdev, port, r_ap); ++ pci_write_config_byte(pdev, port + 1, r_bp); ++} ++ ++/** ++ * pdc_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the PIO mode setup. Our timing registers are shared ++ * but we want to set the PIO timing by default. ++ */ ++ ++static void pdc_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ pdc_configure_piomode(ap, adev, adev->pio_mode - XFER_PIO_0); ++} ++ ++/** ++ * pdc_configure_dmamode - set DMA mode in chip ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Load DMA cycle times into the chip ready for a DMA transfer ++ * to occur. ++ */ ++ ++static void pdc_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int port = 0x60 + 4 * ap->hard_port_no + 2 * adev->devno; ++ static u8 udma_timing[6][2] = { ++ { 0x60, 0x03 }, /* 33 Mhz Clock */ ++ { 0x40, 0x02 }, ++ { 0x20, 0x01 }, ++ { 0x40, 0x02 }, /* 66 Mhz Clock */ ++ { 0x20, 0x01 }, ++ { 0x20, 0x01 } ++ }; ++ u8 r_bp, r_cp; ++ ++ pci_read_config_byte(pdev, port + 1, &r_bp); ++ pci_read_config_byte(pdev, port + 2, &r_cp); ++ ++ r_bp &= ~0xF0; ++ r_cp &= ~0x0F; ++ ++ if (adev->dma_mode >= XFER_UDMA_0) { ++ int speed = adev->dma_mode - XFER_UDMA_0; ++ r_bp |= udma_timing[speed][0]; ++ r_cp |= udma_timing[speed][1]; ++ ++ } else { ++ int speed = adev->dma_mode - XFER_MW_DMA_0; ++ r_bp |= 0x60; ++ r_cp |= (5 - speed); ++ } ++ pci_write_config_byte(pdev, port + 1, r_bp); ++ pci_write_config_byte(pdev, port + 2, r_cp); ++ ++} ++ ++/** ++ * pdc2026x_reset_engine - Reset the DMA engine ++ * @ap: ATA interface ++ * ++ * Reset the 2026x DMA engine. This is not something we want to do, ++ * and we need to figure out how to serialize this across dual channel ++ * devices if it is neccessary. ++ * ++ * FIXME: Do we need to reset the other interface too ? ++ */ ++ ++static void pdc2026x_reset_engine(struct ata_port *ap) ++{ ++ unsigned long ctrl = ap->host_set->ports[0]->ioaddr.bmdma_addr + 0x1F; ++ ++ u8 val = inb(ctrl); ++ outb(val | 0x10, ctrl); ++ mdelay(100); ++ outb(val & ~0x10, ctrl); ++ mdelay(2000); /* Check - seems to be overkill, plus if needed ++ redo locking */ ++ /* Need to fix up speed info at this point */ ++} ++ ++/** ++ * pdc2026x_bmdma_start - DMA engine begin ++ * @qc: ATA command ++ * ++ * In UDMA3 or higher we have to clock switch for the duration of the ++ * DMA transfer sequence. ++ */ ++ ++static void pdc2026x_bmdma_start(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct ata_device *adev = qc->dev; ++ int sel66 = ap->hard_port_no ? 0x08: 0x02; ++ /* The clock bits are in the same register for both channels */ ++ unsigned long clock = ap->host_set->ports[0]->ioaddr.bmdma_addr + 0x11; ++ ++ /* Check we keep host_set level locking here */ ++ if (adev->dma_mode >= XFER_UDMA_2) ++ outb(inb(clock) | sel66, clock); ++ else ++ outb(inb(clock) & ~sel66, clock); ++ /* The DMA clocks may have been trashed by a reset. FIXME: make conditional ++ and move to qc_issue ? */ ++ pdc_set_dmamode(ap, qc->dev); ++ /* Activate DMA */ ++ ata_bmdma_start(qc); ++} ++ ++/** ++ * pdc2026x_bmdma_end - DMA engine stop ++ * @qc: ATA command ++ * ++ * After a DMA completes we need to put the clock back to 33MHz for ++ * PIO timings. ++ */ ++ ++static void pdc2026x_bmdma_stop(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct ata_device *adev = qc->dev; ++ int sel66 = ap->hard_port_no ? 0x08: 0x02; ++ /* The clock bits are in the same register for both channels */ ++ unsigned long clock = ap->host_set->ports[0]->ioaddr.bmdma_addr + 0x11; ++ ++ /* FIXME: Review LBA48 code in ide/pci driver */ ++ ata_bmdma_stop(qc); ++ /* Check we keep host_set level locking here */ ++ /* Flip back to 33Mhz for PIO */ ++ if (adev->dma_mode >= XFER_UDMA_2) ++ outb(inb(clock) & ~sel66, clock); ++} ++ ++/** ++ * pdc2026x_eng_timeout - command timeout ++ * @qc: command that timed out ++ * ++ * When the PDC2026x times out hit the controller over the head ++ * with a hammer before continuing. The reset unfortunately also ++ * resets the timing registers so we must reprogram these. ++ */ ++ ++static void pdc2026x_eng_timeout(struct ata_port *ap) ++{ ++ int i; ++ ++ /* Perform libata side housekeeping */ ++ ata_eng_timeout(ap); ++ ++ /* Reset the controller */ ++ pdc2026x_reset_engine(ap); ++ ++ /* Reprogram the device timings */ ++ for (i = 0; i < 2; i++) { ++ struct ata_device *adev = &ap->device[i]; ++ if (ata_dev_present(adev)) { ++ pdc_set_piomode(ap, adev); ++ if (adev->dma_mode) ++ pdc_set_dmamode(ap, adev); ++ } ++ } ++} ++ ++/** ++ * pdc2026x_dev_config - device setup hook ++ * @ap: ATA port ++ * @adev: newly found device ++ * ++ * Perform chip specific early setup. We need to lock the transfer ++ * sizes to 8bit to avoid making the state engine on the 2026x cards ++ * barf. ++ */ ++ ++static void pdc2026x_dev_config(struct ata_port *ap, struct ata_device *adev) ++{ ++ /* We cannot blindly set 256 as the core code may already ++ have picked a lower limit */ ++ ++ if(ap->host->max_sectors > 256) { ++ ap->host->max_sectors = 256; ++ ap->host->hostt->max_sectors = 256; ++ } ++ adev->flags |= ATA_DFLAG_LOCK_SECTORS; ++} ++ ++static struct scsi_host_template pdc_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations pdc2024x_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = pdc_set_piomode, ++ .set_dmamode = pdc_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = pdc2024x_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static struct ata_port_operations pdc2026x_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = pdc_set_piomode, ++ .set_dmamode = pdc_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ .dev_config = pdc2026x_dev_config, ++ ++ .phy_reset = pdc2026x_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = pdc2026x_bmdma_start, ++ .bmdma_stop = pdc2026x_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = pdc2026x_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int pdc_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info[3] = { ++ { ++ .sht = &pdc_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = ATA_UDMA2, ++ .port_ops = &pdc2024x_port_ops ++ }, ++ { ++ .sht = &pdc_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = ATA_UDMA4, ++ .port_ops = &pdc2026x_port_ops ++ }, ++ { ++ .sht = &pdc_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = ATA_UDMA5, ++ .port_ops = &pdc2026x_port_ops ++ } ++ ++ }; ++ static struct ata_port_info *port_info[2]; ++ ++ port_info[0] = port_info[1] = &info[id->driver_data]; ++ ++ if (dev->device == PCI_DEVICE_ID_PROMISE_20265) { ++ struct pci_dev *bridge = dev->bus->self; ++ /* Don't grab anything behind a Promise I2O RAID */ ++ if (bridge && bridge->vendor == PCI_VENDOR_ID_INTEL) { ++ if( bridge->device == PCI_DEVICE_ID_INTEL_I960) ++ return -ENODEV; ++ if( bridge->device == PCI_DEVICE_ID_INTEL_I960RM) ++ return -ENODEV; ++ } ++ } ++ return ata_pci_init_one(dev, port_info, 2); ++} ++ ++static struct pci_device_id pdc[] = { ++ { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20246, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20262, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, ++ { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20263, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, ++ { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20265, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, ++ { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20267, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, ++ { 0, }, ++}; ++ ++static struct pci_driver pdc_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = pdc, ++ .probe = pdc_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init pdc_init(void) ++{ ++ return pci_register_driver(&pdc_pci_driver); ++} ++ ++ ++static void __exit pdc_exit(void) ++{ ++ pci_unregister_driver(&pdc_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for Promise 2024x and 20262-20267"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, pdc); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(pdc_init); ++module_exit(pdc_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_qdi.c linux-2.6.16-rc4/drivers/scsi/pata_qdi.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_qdi.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_qdi.c 2006-02-15 15:08:22.000000000 +0000 +@@ -0,0 +1,370 @@ ++/* ++ * pata_qdi.c - QDI VLB ATA controllers ++ * (C) 2006 Red Hat <alan@redhat.com> ++ * ++ * This driver mostly exists as a proof of concept for non PCI devices under libata. ++ * While the QDI6580 was 'neat' in 1993 it is no longer terribly useful. ++ * ++ * Tuning code written from the documentation at ++ * http://www.ryston.cz/petr/vlb/qd6500.html ++ * http://www.ryston.cz/petr/vlb/qd6580.html ++ * ++ * Probe code based on drivers/ide/legacy/qd65xx.c ++ * Rewritten from the work of Colten Edwards <pje120@cs.usask.ca> by ++ * Samuel Thibault <samuel.thibault@fnac.net> ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_qdi" ++#define DRV_VERSION "0.2" ++ ++#define NR_HOST 4 /* Two 6580s */ ++ ++struct qdi_data { ++ unsigned long timing; ++ u8 clock[2]; ++ u8 last; ++ int fast; ++ ++}; ++ ++static struct ata_host_set *qdi_host[NR_HOST]; ++static struct qdi_data qdi_data[NR_HOST]; ++static int nr_qdi_host = 0; ++ ++static void qdi6500_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct ata_timing t; ++ struct qdi_data *qdi = ap->host_set->private_data; ++ int active, recovery; ++ u8 timing; ++ ++ /* Get the timing data in cycles */ ++ ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000); ++ ++ if (qdi->fast) { ++ active = 8 - FIT(t.active, 1, 8); ++ recovery = 18 - FIT(t.recover, 3, 18); ++ } else { ++ active = 9 - FIT(t.active, 2, 9); ++ recovery = 15 - FIT(t.recover, 0, 15); ++ } ++ timing = (recovery << 4) | active | 0x08; ++ ++ qdi->clock[adev->devno] = timing; ++ ++ outb(timing, qdi->timing); ++} ++ ++static void qdi6580_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct ata_timing t; ++ struct qdi_data *qdi = ap->host_set->private_data; ++ int active, recovery; ++ u8 timing; ++ ++ /* Get the timing data in cycles */ ++ ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000); ++ ++ if (qdi->fast) { ++ active = 8 - FIT(t.active, 1, 8); ++ recovery = 18 - FIT(t.recover, 3, 18); ++ } else { ++ active = 9 - FIT(t.active, 2, 9); ++ recovery = 15 - FIT(t.recover, 0, 15); ++ } ++ timing = (recovery << 4) | active | 0x08; ++ ++ qdi->clock[adev->devno] = timing; ++ ++ outb(timing, qdi->timing); ++ ++ /* Clear the FIFO */ ++ if (adev->class != ATA_DEV_ATA) ++ outb(0x5F, (qdi->timing & 0xFFF0) + 3); ++} ++ ++/** ++ * qdi_qc_issue_prot - command issue ++ * @qc: command pending ++ * ++ * Called when the libata layer is about to issue a command. We wrap ++ * this interface so that we can load the correct ATA timings. ++ */ ++ ++static int qdi_qc_issue_prot(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct ata_device *adev = qc->dev; ++ struct qdi_data *qdi = ap->host_set->private_data; ++ ++ if (qdi->clock[adev->devno] != qdi->last) { ++ if (adev->pio_mode) { ++ qdi->last = qdi->clock[adev->devno]; ++ outb(qdi->clock[adev->devno], qdi->timing); ++ } ++ } ++ return ata_qc_issue_prot(qc); ++} ++ ++static void qdi_data_xfer(struct ata_port *ap, struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data) ++{ ++ int slop = buflen & 3; ++ ++ if (ata_id_has_dword_io(adev->id)) { ++ if (write_data) ++ outsl(ap->ioaddr.data_addr, buf, buflen >> 2); ++ else ++ insl(ap->ioaddr.data_addr, buf, buflen >> 2); ++ ++ if (unlikely(slop)) { ++ u32 pad; ++ if (write_data) { ++ memcpy(&pad, buf + buflen - slop, slop); ++ outl(le32_to_cpu(pad), ap->ioaddr.data_addr); ++ } else { ++ pad = cpu_to_le16(inl(ap->ioaddr.data_addr)); ++ memcpy(buf + buflen - slop, &pad, slop); ++ } ++ } ++ } else ++ ata_pio_data_xfer(ap, adev, buf, buflen, write_data); ++} ++ ++static struct scsi_host_template qdi_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations qdi6500_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = qdi6500_set_piomode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = qdi_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = qdi_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static struct ata_port_operations qdi6580_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = qdi6580_set_piomode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = qdi_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = qdi_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * qdi_init_one - attach a qdi interface ++ * @type: Type to display ++ * @io: I/O port start ++ * @irq: interrupt line ++ * @fast: True if on a > 33Mhz VLB ++ * ++ * Register an ISA bus IDE interface. Such interfaces are PIO and we ++ * assume do not support IRQ sharing. ++ */ ++ ++static __init int qdi_init_one(unsigned long port, int type, unsigned long io, int irq, int fast) ++{ ++ struct ata_probe_ent ae; ++ int ret; ++ ++ unsigned long ctrl = io + 0x206; ++ ++ /* ++ * Fill in a probe structure first of all ++ */ ++ ++ memset(&ae, 0, sizeof(struct ata_probe_ent)); ++ INIT_LIST_HEAD(&ae.node); ++ ae.dev = NULL; ++ ++ if (type == 6580) { ++ ae.port_ops = &qdi6580_port_ops; ++ ae.pio_mask = 0x1F; ++ } else { ++ ae.port_ops = &qdi6500_port_ops; ++ ae.pio_mask = 0x07; /* Actually PIO3 !IORDY is possible */ ++ } ++ ++ ae.sht = &qdi_sht; ++ ae.n_ports = 1; ++ ae.irq = irq; ++ ae.irq_flags = 0; ++ ae.host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_IRQ_MASK; ++ ae.port[0].cmd_addr = io; ++ ae.port[0].altstatus_addr = ctrl; ++ ae.port[0].ctl_addr = ctrl; ++ ata_std_ports(&ae.port[0]); ++ ++ /* ++ * Hook in a private data structure per channel ++ */ ++ ae.private_data = &qdi_data[nr_qdi_host]; ++ ++ qdi_data[nr_qdi_host].timing = port; ++ qdi_data[nr_qdi_host].fast = fast; ++ ++ printk(KERN_INFO DRV_NAME": qd%d at 0x%lx.\n", type, io); ++ ret = ata_device_add(&ae); ++ if (ret == 0) ++ return -ENODEV; ++ ++ qdi_host[nr_qdi_host++] = ae.host_set; ++ return 0; ++} ++ ++/** ++ * qdi_init - attach qdi interfaces ++ * ++ * Attach qdi IDE interfaces by scanning the ports it may occupy. ++ */ ++ ++static __init int qdi_init(void) ++{ ++ unsigned long flags; ++ unsigned long qd_port[2] = { 0x30, 0xB0 }; ++ unsigned long ide_port[2] = { 0x170, 0x1F0 }; ++ int ide_irq[2] = { 14, 15 }; ++ int ct = 0; ++ int i; ++ ++ /* ++ * Check each possible QD65xx base address ++ */ ++ ++ for (i = 0; i < 2; i++) { ++ unsigned long port = qd_port[i]; ++ u8 r, res; ++ ++ ++ if (request_region(port, 2, "pata_qdi")) { ++ /* Check for a card */ ++ local_irq_save(flags); ++ r = inb_p(port); ++ outb_p(0x19, port); ++ res = inb_p(port); ++ outb_p(r, port); ++ local_irq_restore(flags); ++ ++ /* Fail */ ++ if (res == 0x19) ++ { ++ release_region(port, 2); ++ continue; ++ } ++ ++ /* Passes the presence test */ ++ r = inb_p(port + 1); /* Check port agrees with port set */ ++ if ((r & 2) >> 1 != i) { ++ release_region(port, 2); ++ continue; ++ } ++ ++ /* Check card type */ ++ if ((r & 0xF0) == 0xC0) { ++ /* QD6500: single channel */ ++ if (r & 8) { ++ /* Disabled ? */ ++ release_region(port, 2); ++ continue; ++ } ++ ct += qdi_init_one(port, 6500, ide_port[r & 0x01], ide_irq[r & 0x01], r & 0x04); ++ } ++ if (((r & 0xF0) == 0xA0) || (r & 0xF0) == 0x50) { ++ /* QD6580: dual channel */ ++ if (!request_region(port + 2 , 2, "pata_qdi")) ++ { ++ release_region(port, 2); ++ continue; ++ } ++ res = inb(port + 3); ++ if (res & 1) { ++ /* Single channel mode */ ++ ct += qdi_init_one(port, 6580, ide_port[r & 0x01], ide_irq[r & 0x01], r & 0x04); ++ } else { ++ /* Dual channel mode */ ++ ct += qdi_init_one(port, 6580, 0x1F0, 14, r & 0x04); ++ ct += qdi_init_one(port + 2, 6580, 0x170, 15, r & 0x04); ++ } ++ } ++ } ++ } ++ if (ct != 0) ++ return 0; ++ return -ENODEV; ++} ++ ++static __exit void qdi_exit(void) ++{ ++ int i; ++ ++ for (i = 0; i < nr_qdi_host; i++) { ++ ata_host_set_remove(qdi_host[i]); ++ /* Free the control resource. The 6580 dual channel has the resources ++ * claimed as a pair of 2 byte resources so we need no special cases... ++ */ ++ release_region(qdi_data[i].timing, 2); ++ } ++} ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for qdi ATA"); ++MODULE_LICENSE("GPL"); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(qdi_init); ++module_exit(qdi_exit); ++ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_radisys.c linux-2.6.16-rc4/drivers/scsi/pata_radisys.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_radisys.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_radisys.c 2006-02-17 15:31:12.000000000 +0000 +@@ -0,0 +1,321 @@ ++/* ++ * pata_radisys.c - Intel PATA/SATA controllers ++ * ++ * (C) 2006 Red Hat <alan@redhat.com> ++ * ++ * Some parts based on ata_piix.c by Jeff Garzik and others. ++ * ++ * A PIIX relative, this device has a single ATA channel and no ++ * slave timings, SITRE or PPE. In that sense it is a close relative ++ * of the original PIIX. It does however support UDMA 33/66 per channel ++ * although no other modes/timings. Also lacking is 32bit I/O on the ATA ++ * port. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <linux/device.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++#include <linux/ata.h> ++ ++#define DRV_NAME "pata_radisys" ++#define DRV_VERSION "0.2" ++ ++/** ++ * radisys_pata_phy_reset - Probe specified port on PATA host controller ++ * @ap: Port to probe ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void radisys_pata_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = ATA_CBL_PATA80; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * radisys_set_piomode - Initialize host controller PATA PIO timings ++ * @ap: Port whose timings we are configuring ++ * @adev: um ++ * ++ * Set PIO mode for device, in host controller PCI config space. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void radisys_set_piomode (struct ata_port *ap, struct ata_device *adev) ++{ ++ unsigned int pio = adev->pio_mode - XFER_PIO_0; ++ struct pci_dev *dev = to_pci_dev(ap->host_set->dev); ++ u16 idetm_data; ++ int control = 0; ++ ++ /* ++ * See Intel Document 298600-004 for the timing programing rules ++ * for PIIX/ICH. Note that the early PIIX does not have the slave ++ * timing port at 0x44. The Radisys is a relative of the PIIX ++ * but not the same so be careful. ++ */ ++ ++ static const /* ISP RTC */ ++ u8 timings[][2] = { { 0, 0 }, /* Check me */ ++ { 0, 0 }, ++ { 1, 1 }, ++ { 2, 2 }, ++ { 3, 3 }, }; ++ ++ if (pio > 0) ++ control |= 1; /* TIME1 enable */ ++ if (ata_pio_need_iordy(adev)) ++ control |= 2; /* IE IORDY */ ++ ++ pci_read_config_word(dev, 0x40, &idetm_data); ++ ++ /* Enable IE and TIME as appropriate. Clear the other ++ drive timing bits */ ++ idetm_data &= 0xCCCC; ++ idetm_data |= (control << (4 * adev->devno)); ++ idetm_data |= (timings[pio][0] << 12) | ++ (timings[pio][1] << 8); ++ pci_write_config_word(dev, 0x40, idetm_data); ++ ++ /* Track which port is configured */ ++ ap->private_data = adev; ++} ++ ++/** ++ * radisys_set_dmamode - Initialize host controller PATA DMA timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device to program ++ * @isich: True if the device is an ICH and has IOCFG registers ++ * ++ * Set MWDMA mode for device, in host controller PCI config space. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void radisys_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *dev = to_pci_dev(ap->host_set->dev); ++ u16 idetm_data; ++ u8 udma_enable; ++ ++ static const /* ISP RTC */ ++ u8 timings[][2] = { { 0, 0 }, ++ { 0, 0 }, ++ { 1, 1 }, ++ { 2, 2 }, ++ { 3, 3 }, }; ++ ++ /* ++ * MWDMA is driven by the PIO timings. We must also enable ++ * IORDY unconditionally. ++ */ ++ ++ pci_read_config_word(dev, 0x40, &idetm_data); ++ pci_read_config_byte(dev, 0x48, &udma_enable); ++ ++ if (adev->dma_mode < XFER_UDMA_0) { ++ unsigned int mwdma = adev->dma_mode - XFER_MW_DMA_0; ++ const unsigned int needed_pio[3] = { ++ XFER_PIO_0, XFER_PIO_3, XFER_PIO_4 ++ }; ++ int pio = needed_pio[mwdma] - XFER_PIO_0; ++ int control = 3; /* IORDY|TIME0 */ ++ ++ /* If the drive MWDMA is faster than it can do PIO then ++ we must force PIO0 for PIO cycles. */ ++ ++ if (adev->pio_mode < needed_pio[mwdma]) ++ control = 1; ++ ++ /* Mask out the relevant control and timing bits we will load. Also ++ clear the other drive TIME register as a precaution */ ++ ++ idetm_data &= 0xCCCC; ++ idetm_data |= control << (4 * adev->devno); ++ idetm_data |= (timings[pio][0] << 12) | (timings[pio][1] << 8); ++ ++ udma_enable &= ~(1 << adev->devno); ++ } else { ++ u8 udma_mode; ++ ++ /* UDMA66 on. It isn't clear from the documentation whether ++ UDMA 33 and 66 are switchable via register 0x4A */ ++ ++ pci_read_config_byte(dev, 0x4A, &udma_mode); ++ ++ if (adev->xfer_mode == XFER_UDMA_2) ++ udma_mode &= ~ (1 << adev->devno); ++ else /* UDMA 4 */ ++ udma_mode |= (1 << adev->devno); ++ ++ pci_write_config_byte(dev, 0x4A, udma_mode); ++ ++ udma_enable |= (1 << adev->devno); ++ } ++ pci_write_config_word(dev, 0x40, idetm_data); ++ pci_write_config_byte(dev, 0x48, udma_enable); ++ ++ /* Track which port is configured */ ++ ap->private_data = adev; ++} ++ ++/** ++ * radisys_qc_issue_prot - command issue ++ * @qc: command pending ++ * ++ * Called when the libata layer is about to issue a command. We wrap ++ * this interface so that we can load the correct ATA timings if ++ * neccessary. Our logic also clears TIME0/TIME1 for the other device so ++ * that, even if we get this wrong, cycles to the other device will ++ * be made PIO0. ++ */ ++ ++static int radisys_qc_issue_prot(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct ata_device *adev = qc->dev; ++ ++ if (adev != ap->private_data) { ++ /* UDMA timing is not shared */ ++ if (adev->dma_mode < XFER_UDMA_0) { ++ if (adev->dma_mode) ++ radisys_set_dmamode(ap, adev); ++ else if (adev->pio_mode) ++ radisys_set_piomode(ap, adev); ++ } ++ } ++ return ata_qc_issue_prot(qc); ++} ++ ++ ++static struct scsi_host_template radisys_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static const struct ata_port_operations radisys_pata_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = radisys_set_piomode, ++ .set_dmamode = radisys_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = radisys_pata_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = radisys_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++ ++/** ++ * radisys_init_one - Register PIIX ATA PCI device with kernel services ++ * @pdev: PCI device to register ++ * @ent: Entry in radisys_pci_tbl matching with @pdev ++ * ++ * Called from kernel PCI layer. We probe for combined mode (sigh), ++ * and then hand over control to libata, for it to do the rest. ++ * ++ * LOCKING: ++ * Inherited from PCI layer (may sleep). ++ * ++ * RETURNS: ++ * Zero on success, or -ERRNO value. ++ */ ++ ++static int radisys_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) ++{ ++ static int printed_version; ++ static struct ata_port_info info = { ++ .sht = &radisys_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .mwdma_mask = 0x07, /* mwdma1-2 */ ++ .udma_mask = 0x14, /* UDMA33/66 only */ ++ .port_ops = &radisys_pata_ops, ++ }; ++ static struct ata_port_info *port_info[2] = { &info, &info }; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &pdev->dev, ++ "version " DRV_VERSION "\n"); ++ ++ return ata_pci_init_one(pdev, port_info, 2); ++} ++ ++static const struct pci_device_id radisys_pci_tbl[] = { ++ { 0x1331, 0x8201, PCI_ANY_ID, PCI_ANY_ID, }, ++ { } /* terminate list */ ++}; ++ ++static struct pci_driver radisys_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = radisys_pci_tbl, ++ .probe = radisys_init_one, ++ .remove = ata_pci_remove_one, ++}; ++ ++static int __init radisys_init(void) ++{ ++ return pci_register_driver(&radisys_pci_driver); ++} ++ ++static void __exit radisys_exit(void) ++{ ++ pci_unregister_driver(&radisys_pci_driver); ++} ++ ++ ++module_init(radisys_init); ++module_exit(radisys_exit); ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("SCSI low-level driver for Radisys R82600 controllers"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, radisys_pci_tbl); ++MODULE_VERSION(DRV_VERSION); ++ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_rz1000.c linux-2.6.16-rc4/drivers/scsi/pata_rz1000.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_rz1000.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_rz1000.c 2006-02-16 15:38:18.000000000 +0000 +@@ -0,0 +1,183 @@ ++/* ++ * RZ1000/1001 driver based upon ++ * ++ * linux/drivers/ide/pci/rz1000.c Version 0.06 January 12, 2003 ++ * Copyright (C) 1995-1998 Linus Torvalds & author (see below) ++ * Principal Author: mlord@pobox.com (Mark Lord) ++ * ++ * See linux/MAINTAINERS for address of current maintainer. ++ * ++ * This file provides support for disabling the buggy read-ahead ++ * mode of the RZ1000 IDE chipset, commonly used on Intel motherboards. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "rz1000" ++#define DRV_VERSION "0.01" ++ ++static void rz1000_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * rz1000_set_mode - mode setting function ++ * @ap: ATA interface ++ * ++ * Use a non standard set_mode function. We don't want to be tuned. We ++ * would prefer to be BIOS generic but for the fact our hardware is ++ * whacked out. ++ */ ++ ++static void rz1000_set_mode(struct ata_port *ap) ++{ ++ int i; ++ ++ for (i = 0; i < ATA_MAX_DEVICES; i++) { ++ struct ata_device *dev = &ap->device[i]; ++ if (ata_dev_present(dev)) { ++ /* We don't really care */ ++ dev->pio_mode = XFER_PIO_0; ++ dev->xfer_mode = XFER_PIO_0; ++ dev->xfer_shift = ATA_SHIFT_PIO; ++ dev->flags |= ATA_DFLAG_PIO; ++ } ++ } ++} ++ ++ ++static struct scsi_host_template rz1000_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations rz1000_port_ops = { ++ .set_mode = rz1000_set_mode, ++ ++ .port_disable = ata_port_disable, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = rz1000_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * rz1000_init_one - Register RZ1000 ATA PCI device with kernel services ++ * @pdev: PCI device to register ++ * @ent: Entry in rz1000_pci_tbl matching with @pdev ++ * ++ * Configure an RZ1000 interface. This doesn't require much special ++ * handling except that we *MUST* kill the chipset readahead or the ++ * user may experience data corruption. ++ */ ++ ++static int rz1000_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) ++{ ++ static int printed_version; ++ struct ata_port_info *port_info[2]; ++ u16 reg; ++ static struct ata_port_info info = { ++ .sht = &rz1000_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .port_ops = &rz1000_port_ops ++ }; ++ ++ if (!printed_version++) ++ printk(KERN_DEBUG DRV_NAME " version " DRV_VERSION "\n"); ++ ++ /* Be exceptionally paranoid as we must be sure to apply the fix */ ++ if (pci_read_config_word(pdev, 0x40, ®) != 0) ++ goto fail; ++ reg &= 0xDFFF; ++ if (pci_write_config_word(pdev, 0x40, reg) != 0) ++ goto fail; ++ printk(KERN_INFO DRV_NAME ": disabled chipset readahead.\n"); ++ ++ port_info[0] = &info; ++ port_info[1] = &info; ++ return ata_pci_init_one(pdev, port_info, 2); ++fail: ++ printk(KERN_ERR DRV_NAME ": failed to disable read-ahead on chipset..\n"); ++ /* Not safe to use so skip */ ++ return -ENODEV; ++} ++ ++static struct pci_device_id pata_rz1000[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_RZ1000), }, ++ { PCI_DEVICE(PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_RZ1001), }, ++ { 0, }, ++}; ++ ++static struct pci_driver rz1000_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = pata_rz1000, ++ .probe = rz1000_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++ ++static int __init rz1000_init(void) ++{ ++ return pci_register_driver(&rz1000_pci_driver); ++} ++ ++static void __exit rz1000_exit(void) ++{ ++ pci_unregister_driver(&rz1000_pci_driver); ++} ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for RZ1000 PCI ATA"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, pata_rz1000); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(rz1000_init); ++module_exit(rz1000_exit); ++ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_sc1200.c linux-2.6.16-rc4/drivers/scsi/pata_sc1200.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_sc1200.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_sc1200.c 2006-02-16 15:46:11.000000000 +0000 +@@ -0,0 +1,286 @@ ++/* ++ * New ATA layer SC1200 driver Alan Cox <alan@redhat.com> ++ * ++ * TODO: Mode selection filtering ++ * TODO: Can't enable second channel until ATA core has serialize ++ * TODO: Needs custom DMA cleanup code ++ * ++ * Based very heavily on ++ * ++ * linux/drivers/ide/pci/sc1200.c Version 0.91 28-Jan-2003 ++ * ++ * Copyright (C) 2000-2002 Mark Lord <mlord@pobox.com> ++ * May be copied or modified under the terms of the GNU General Public License ++ * ++ * Development of this chipset driver was funded ++ * by the nice folks at National Semiconductor. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ * ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "sc1200" ++#define DRV_VERSION "0.2" ++ ++#define SC1200_REV_A 0x00 ++#define SC1200_REV_B1 0x01 ++#define SC1200_REV_B3 0x02 ++#define SC1200_REV_C1 0x03 ++#define SC1200_REV_D1 0x04 ++ ++/** ++ * sc1200_clock - PCI clock ++ * ++ * Return the PCI bus clocking for the SC1200 chipset configuration ++ * in use. We return 0 for 33MHz 1 for 48MHz and 2 for 66Mhz ++ */ ++ ++static int sc1200_clock(void) ++{ ++ /* Magic registers that give us the chipset data */ ++ u8 chip_id = inb(0x903C); ++ u8 silicon_rev = inb(0x903D); ++ u16 pci_clock; ++ ++ if (chip_id == 0x04 && silicon_rev < SC1200_REV_B1) ++ return 0; /* 33 MHz mode */ ++ ++ /* Clock generator configuration 0x901E its 8/9 are the PCI clocking ++ 0/3 is 33Mhz 1 is 48 2 is 66 */ ++ ++ pci_clock = inw(0x901E); ++ pci_clock >>= 8; ++ pci_clock &= 0x03; ++ if (pci_clock == 3) ++ pci_clock = 0; ++ return pci_clock; ++} ++ ++/** ++ * sc1200_set_piomode - PIO setup ++ * @ap: ATA interface ++ * @adev: device on the interface ++ * ++ * Set our PIO requirements. This is fairly simple on the SC1200 ++ */ ++ ++static void sc1200_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static u32 pio_timings[4][5] = { ++ {0x00009172, 0x00012171, 0x00020080, 0x00032010, 0x00040010}, // format0 33Mhz ++ {0xd1329172, 0x71212171, 0x30200080, 0x20102010, 0x00100010}, // format1, 33Mhz ++ {0xfaa3f4f3, 0xc23232b2, 0x513101c1, 0x31213121, 0x10211021}, // format1, 48Mhz ++ {0xfff4fff4, 0xf35353d3, 0x814102f1, 0x42314231, 0x11311131} // format1, 66Mhz ++ }; ++ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 format; ++ unsigned int reg = 0x40 + 0x10 * ap->hard_port_no; ++ int mode = adev->pio_mode - XFER_PIO_0; ++ ++ pci_read_config_dword(pdev, reg + 4, &format); ++ format >>= 31; ++ format += sc1200_clock(); ++ pci_write_config_dword(pdev, reg + 8 * adev->devno, ++ pio_timings[format][mode]); ++} ++ ++/** ++ * sc1200_set_dmamode - DMA timing setup ++ * @ap: ATA interface ++ * @adev: Device being configured ++ * ++ * We cannot mix MWDMA and UDMA without reloading timings each switch ++ * master to slave. ++ */ ++ ++static void sc1200_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static u32 udma_timing[3][3] = { ++ { 0x00921250, 0x00911140, 0x00911030 }, ++ { 0x00932470, 0x00922260, 0x00922140 }, ++ { 0x009436A1, 0x00933481, 0x00923261 } ++ }; ++ ++ static u32 mwdma_timing[3][3] = { ++ { 0x00077771, 0x00012121, 0x00002020 }, ++ { 0x000BBBB2, 0x00024241, 0x00013131 }, ++ { 0x000FFFF3, 0x00035352, 0x00015151 } ++ }; ++ ++ int clock = sc1200_clock(); ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ unsigned int reg = 0x40 + 0x10 * ap->hard_port_no; ++ int mode = adev->dma_mode; ++ u32 format; ++ ++ if (mode >= XFER_UDMA_0) ++ format = udma_timing[clock][mode - XFER_UDMA_0]; ++ else ++ format = mwdma_timing[clock][mode - XFER_MW_DMA_0]; ++ ++ if (adev->devno == 0) { ++ u32 timings; ++ ++ pci_read_config_dword(pdev, reg + 4, &timings); ++ timings &= 0x80000000UL; ++ timings |= format; ++ pci_write_config_dword(pdev, reg + 4, timings); ++ } else ++ pci_write_config_dword(pdev, reg + 12, format); ++} ++ ++/** ++ * sc1200_qc_issue_prot - command issue ++ * @qc: command pending ++ * ++ * Called when the libata layer is about to issue a command. We wrap ++ * this interface so that we can load the correct ATA timings if ++ * neccessary. Specifically we have a problem that there is only ++ * one MWDMA/UDMA bit. ++ */ ++ ++static int sc1200_qc_issue_prot(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ struct ata_device *adev = qc->dev; ++ struct ata_device *prev = ap->private_data; ++ ++ /* See if the DMA settings could be wrong */ ++ if (adev->dma_mode != 0 && adev != prev && prev != NULL) { ++ /* Maybe, but do the channels match MWDMA/UDMA ? */ ++ if ((adev->dma_mode >= XFER_UDMA_0 && prev->dma_mode < XFER_UDMA_0) || ++ (adev->dma_mode < XFER_UDMA_0 && prev->dma_mode >= XFER_UDMA_0)) ++ /* Switch the mode bits */ ++ sc1200_set_dmamode(ap, adev); ++ } ++ ++ return ata_qc_issue_prot(qc); ++} ++ ++static struct scsi_host_template sc1200_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations sc1200_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = sc1200_set_piomode, ++ .set_dmamode = sc1200_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = sc1200_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * sc1200_init_one - Initialise an SC1200 ++ * @dev: PCI device ++ * @id: Entry in match table ++ * ++ * Just throw the needed data at the libata helper and it does all ++ * our work. ++ */ ++ ++static int sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info = { ++ .sht = &sc1200_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x07, ++ .port_ops = &sc1200_port_ops ++ }; ++ static struct ata_port_info *port_info[2] = { &info, &info }; ++ ++ /* Can't enable port 2 yet, see top comments */ ++ return ata_pci_init_one(dev, port_info, 1); ++} ++ ++static struct pci_device_id sc1200[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SCx200_IDE), }, ++ { 0, }, ++}; ++ ++static struct pci_driver sc1200_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = sc1200, ++ .probe = sc1200_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init sc1200_init(void) ++{ ++ return pci_register_driver(&sc1200_pci_driver); ++} ++ ++ ++static void __exit sc1200_exit(void) ++{ ++ pci_unregister_driver(&sc1200_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox, Mark Lord"); ++MODULE_DESCRIPTION("low-level driver for the NS/AMD SC1200"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, sc1200); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(sc1200_init); ++module_exit(sc1200_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_serverworks.c linux-2.6.16-rc4/drivers/scsi/pata_serverworks.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_serverworks.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_serverworks.c 2006-02-16 15:37:31.000000000 +0000 +@@ -0,0 +1,586 @@ ++/* ++ * ata-serverworks.c - Serverworks PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * based upon ++ * ++ * serverworks.c ++ * ++ * Copyright (C) 1998-2000 Michel Aubry ++ * Copyright (C) 1998-2000 Andrzej Krzysztofowicz ++ * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org> ++ * Portions copyright (c) 2001 Sun Microsystems ++ * ++ * ++ * RCC/ServerWorks IDE driver for Linux ++ * ++ * OSB4: `Open South Bridge' IDE Interface (fn 1) ++ * supports UDMA mode 2 (33 MB/s) ++ * ++ * CSB5: `Champion South Bridge' IDE Interface (fn 1) ++ * all revisions support UDMA mode 4 (66 MB/s) ++ * revision A2.0 and up support UDMA mode 5 (100 MB/s) ++ * ++ * *** The CSB5 does not provide ANY register *** ++ * *** to detect 80-conductor cable presence. *** ++ * ++ * CSB6: `Champion South Bridge' IDE Interface (optional: third channel) ++ * ++ * Documentation: ++ * Available under NDA only. Errata info very hard to get. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "serverworks" ++#define DRV_VERSION "0.1.1" ++ ++#define SVWKS_CSB5_REVISION_NEW 0x92 /* min PCI_REVISION_ID for UDMA5 (A2.0) */ ++#define SVWKS_CSB6_REVISION 0xa0 /* min PCI_REVISION_ID for UDMA4 (A1.0) */ ++ ++/* Seagate Barracuda ATA IV Family drives in UDMA mode 5 ++ * can overrun their FIFOs when used with the CSB5 */ ++ ++static const char *csb_bad_ata100[] = { ++ "ST320011A", ++ "ST340016A", ++ "ST360021A", ++ "ST380021A", ++ NULL ++}; ++ ++/** ++ * dell_cable - Dell serverworks cable detection ++ * @ap: ATA port to do cable detect ++ * ++ * Dell hide the 40/80 pin select for their interfaces in the top two ++ * bits of the subsystem ID. ++ */ ++ ++static int dell_cable(struct ata_port *ap) { ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ ++ if (pdev->subsystem_device & (1 << (ap->hard_port_no + 14))) ++ return ATA_CBL_PATA80; ++ return ATA_CBL_PATA40; ++} ++ ++/** ++ * sun_cable - Sun Cobalt 'Alpine' cable detection ++ * @ap: ATA port to do cable select ++ * ++ * Cobalt CSB5 IDE hides the 40/80pin in the top two bits of the ++ * subsystem ID the same as dell. We could use one function but we may ++ * need to extend the Dell one in future ++ */ ++ ++static int sun_cable(struct ata_port *ap) { ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ ++ if (pdev->subsystem_device & (1 << (ap->hard_port_no + 14))) ++ return ATA_CBL_PATA80; ++ return ATA_CBL_PATA40; ++} ++ ++/** ++ * osb4_cable - OSB4 cable detect ++ * @ap: ATA port to check ++ * ++ * The OSB4 isn't UDMA66 capable so this is easy ++ */ ++ ++static int osb4_cable(struct ata_port *ap) { ++ return ATA_CBL_PATA40; ++} ++ ++/** ++ * csb4_cable - CSB5/6 cable detect ++ * @ap: ATA port to check ++ * ++ * Serverworks default arrangement is to use the drive side detection ++ * only. ++ */ ++ ++static int csb_cable(struct ata_port *ap) { ++ return ATA_CBL_PATA80; ++} ++ ++struct sv_cable_table { ++ int device; ++ int subvendor; ++ int (*cable_detect)(struct ata_port *ap); ++}; ++ ++/* ++ * Note that we don't copy the old serverworks code because the old ++ * code contains obvious mistakes ++ */ ++ ++static struct sv_cable_table cable_detect[] = { ++ { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_DELL, dell_cable }, ++ { PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_VENDOR_ID_DELL, dell_cable }, ++ { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_SUN, sun_cable }, ++ { PCI_DEVICE_ID_SERVERWORKS_OSB4, PCI_ANY_ID, osb4_cable }, ++ { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_ANY_ID, csb_cable }, ++ { PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_ANY_ID, csb_cable }, ++ { PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2, PCI_ANY_ID, csb_cable }, ++ { PCI_DEVICE_ID_SERVERWORKS_HT1000IDE, PCI_ANY_ID, csb_cable }, ++ { } ++}; ++ ++/** ++ * serverworks_cable_detect - cable detection ++ * @ap: ATA port ++ * ++ * Perform cable detection according to the device and subvendor ++ * identifications ++ */ ++ ++static int serverworks_cable_detect(struct ata_port *ap) { ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ struct sv_cable_table *cb = cable_detect; ++ ++ while(cb->device) { ++ if (cb->device == pdev->device && ++ (cb->subvendor == pdev->subsystem_vendor || ++ cb->subvendor == PCI_ANY_ID)) { ++ return cb->cable_detect(ap); ++ } ++ cb++; ++ } ++ BUG(); ++} ++ ++static void serverworks_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = serverworks_cable_detect(ap); ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * serverworks_is_csb - Check for CSB or OSB ++ * @pdev: PCI device to check ++ * ++ * Returns true if the device being checked is known to be a CSB ++ * series device. ++ */ ++ ++static u8 serverworks_is_csb(struct pci_dev *pdev) ++{ ++ switch (pdev->device) { ++ case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE: ++ case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE: ++ case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2: ++ case PCI_DEVICE_ID_SERVERWORKS_HT1000IDE: ++ return 1; ++ default: ++ break; ++ } ++ return 0; ++} ++ ++/** ++ * serverworks_osb4_filter - mode selection filter ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Filter the offered modes for the device to apply controller ++ * specific rules. OSB4 requires no UDMA for disks due to a FIFO ++ * bug we hit. ++ */ ++ ++static unsigned int serverworks_osb4_filter(const struct ata_port *ap, struct ata_device *adev, unsigned int mask, int shift) ++{ ++ if (shift != ATA_SHIFT_UDMA) ++ return mask; ++ if (adev->class == ATA_DEV_ATA) ++ return 0; ++ return mask; ++} ++ ++ ++/** ++ * serverworks_csb_filter - mode selection filter ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Check the blacklist and disable UDMA5 if matched ++ */ ++ ++static unsigned int serverworks_csb_filter(const struct ata_port *ap, struct ata_device *adev, unsigned int mask, int shift) ++{ ++ const char *p; ++ char model_num[40]; ++ int len, i; ++ ++ /* Disk, UDMA */ ++ if (shift != ATA_SHIFT_UDMA) ++ return mask; ++ if (adev->class != ATA_DEV_ATA) ++ return mask; ++ ++ /* Actually do need to check */ ++ ata_dev_id_string(adev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num)); ++ /* Precuationary - why not do this in the libata core ?? */ ++ ++ len = strlen(model_num); ++ while ((len > 0) && (model_num[len - 1] == ' ')) { ++ len--; ++ model_num[len] = 0; ++ } ++ ++ for(i = 0; (p = csb_bad_ata100[i]) != NULL; i++) { ++ if (!strncmp(p, model_num, len)) ++ return mask & 0x1F; ++ } ++ return mask; ++} ++ ++ ++/** ++ * serverworks_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Program the OSB4/CSB5 timing registers for PIO. The PIO register ++ * load is done as a simple lookup. ++ */ ++static void serverworks_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static u8 pio_mode[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 }; ++ int offset = 1 + 2 * ap->hard_port_no - adev->devno; ++ int devbits = (2 * ap->hard_port_no + adev->devno) * 4; ++ u16 csb5_pio; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int pio = adev->pio_mode - XFER_PIO_0; ++ ++ pci_write_config_byte(pdev, 0x40 + offset, pio_mode[pio]); ++ ++ /* The OSB4 just requires the timing but the CSB series want the ++ mode number as well */ ++ if (serverworks_is_csb(pdev)) { ++ pci_read_config_word(pdev, 0x4A, &csb5_pio); ++ csb5_pio &= ~(0x0F << devbits); ++ pci_write_config_byte(pdev, 0x4A, csb5_pio | (pio << devbits)); ++ } ++} ++ ++/** ++ * serverworks_set_dmamode - set initial DMA mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Program the MWDMA/UDMA modes for the serverworks OSB4/CSB5 ++ * chipset. The MWDMA mode values are pulled from a lookup table ++ * while the chipset uses mode number for UDMA. ++ */ ++ ++static void serverworks_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static u8 dma_mode[] = { 0x77, 0x21, 0x20 }; ++ int offset = 1 + 2 * ap->hard_port_no - adev->devno; ++ int devbits = (2 * ap->hard_port_no + adev->devno); ++ u8 ultra; ++ u8 ultra_cfg; ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ ++ pci_read_config_byte(pdev, 0x54, &ultra_cfg); ++ ++ if (adev->dma_mode >= XFER_UDMA_0) { ++ pci_write_config_byte(pdev, 0x44 + offset, 0x20); ++ ++ pci_read_config_byte(pdev, 0x56 + ap->hard_port_no, &ultra); ++ ultra &= ~(0x0F << (ap->hard_port_no * 4)); ++ ultra |= (adev->dma_mode - XFER_UDMA_0) ++ << (ap->hard_port_no * 4); ++ pci_write_config_byte(pdev, 0x56 + ap->hard_port_no, ultra); ++ ++ ultra_cfg |= (1 << devbits); ++ } else { ++ pci_write_config_byte(pdev, 0x44 + offset, ++ dma_mode[adev->dma_mode - XFER_MW_DMA_0]); ++ ultra_cfg &= ~(1 << devbits); ++ } ++ pci_write_config_byte(pdev, 0x54, ultra_cfg); ++} ++ ++static struct scsi_host_template serverworks_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations serverworks_osb4_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = serverworks_set_piomode, ++ .set_dmamode = serverworks_set_dmamode, ++ .mode_filter = serverworks_osb4_filter, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = serverworks_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static struct ata_port_operations serverworks_csb_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = serverworks_set_piomode, ++ .set_dmamode = serverworks_set_dmamode, ++ .mode_filter = serverworks_csb_filter, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = serverworks_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int serverworks_fixup_osb4(struct pci_dev *pdev) ++{ ++ u32 reg; ++ struct pci_dev *isa_dev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS, ++ PCI_DEVICE_ID_SERVERWORKS_OSB4, NULL); ++ if (isa_dev) { ++ pci_read_config_dword(isa_dev, 0x64, ®); ++ reg &= ~0x00002000; /* disable 600ns interrupt mask */ ++ if (!(reg & 0x00004000)) ++ printk(KERN_DEBUG DRV_NAME ": UDMA not BIOS enabled.\n"); ++ reg |= 0x00004000; /* enable UDMA/33 support */ ++ pci_write_config_dword(isa_dev, 0x64, reg); ++ pci_dev_put(isa_dev); ++ return 0; ++ } ++ printk(KERN_WARNING "ata_serverworks: Unable to find bridge.\n"); ++ return -ENODEV; ++} ++ ++static int serverworks_fixup_csb(struct pci_dev *pdev) ++{ ++ u8 rev; ++ u8 btr; ++ ++ pci_read_config_byte(pdev, PCI_REVISION_ID, &rev); ++ ++ /* Third Channel Test */ ++ if (!(PCI_FUNC(pdev->devfn) & 1)) { ++ struct pci_dev * findev = NULL; ++ u32 reg4c = 0; ++ findev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS, ++ PCI_DEVICE_ID_SERVERWORKS_CSB5, NULL); ++ if (findev) { ++ pci_read_config_dword(findev, 0x4C, ®4c); ++ reg4c &= ~0x000007FF; ++ reg4c |= 0x00000040; ++ reg4c |= 0x00000020; ++ pci_write_config_dword(findev, 0x4C, reg4c); ++ pci_dev_put(findev); ++ } ++ } else { ++ struct pci_dev * findev = NULL; ++ u8 reg41 = 0; ++ ++ findev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS, ++ PCI_DEVICE_ID_SERVERWORKS_CSB6, NULL); ++ if (findev) { ++ pci_read_config_byte(findev, 0x41, ®41); ++ reg41 &= ~0x40; ++ pci_write_config_byte(findev, 0x41, reg41); ++ pci_dev_put(findev); ++ } ++ } ++ /* setup the UDMA Control register ++ * ++ * 1. clear bit 6 to enable DMA ++ * 2. enable DMA modes with bits 0-1 ++ * 00 : legacy ++ * 01 : udma2 ++ * 10 : udma2/udma4 ++ * 11 : udma2/udma4/udma5 ++ */ ++ pci_read_config_byte(pdev, 0x5A, &btr); ++ btr &= ~0x40; ++ if (!(PCI_FUNC(pdev->devfn) & 1)) ++ btr |= 0x2; ++ else ++ btr |= (rev >= SVWKS_CSB5_REVISION_NEW) ? 0x3 : 0x2; ++ pci_write_config_byte(pdev, 0x5A, btr); ++ ++ return btr; ++} ++ ++static void serverworks_fixup_ht1000(struct pci_dev *pdev) ++{ ++ u8 btr; ++ /* Setup HT1000 SouthBridge Controller - Single Channel Only */ ++ pci_read_config_byte(pdev, 0x5A, &btr); ++ btr &= ~0x40; ++ btr |= 0x3; ++ pci_write_config_byte(pdev, 0x5A, btr); ++} ++ ++ ++static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ++{ ++ int ports = 2; ++ static struct ata_port_info info[4] = { ++ { /* OSB4 */ ++ .sht = &serverworks_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x07, ++ .port_ops = &serverworks_osb4_port_ops ++ }, { /* OSB4 no UDMA */ ++ .sht = &serverworks_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x00, ++ .port_ops = &serverworks_osb4_port_ops ++ }, { /* CSB5 */ ++ .sht = &serverworks_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x1f, ++ .port_ops = &serverworks_csb_port_ops ++ }, { /* CSB5 - later revisions*/ ++ .sht = &serverworks_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, ++ .port_ops = &serverworks_csb_port_ops ++ } ++ }; ++ static struct ata_port_info *port_info[2]; ++ struct ata_port_info *devinfo = &info[id->driver_data]; ++ ++ /* Force master latency timer to 64 PCI clocks */ ++ pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40); ++ ++ /* OSB4 : South Bridge and IDE */ ++ if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) { ++ /* Select non UDMA capable OSB4 if we can't do fixups */ ++ if ( serverworks_fixup_osb4(pdev) < 0) ++ devinfo = &info[1]; ++ } ++ /* setup CSB5/CSB6 : South Bridge and IDE option RAID */ ++ else if ((pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) || ++ (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) || ++ (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) { ++ ++ /* If the returned btr is the newer revision then ++ select the right info block */ ++ if (serverworks_fixup_csb(pdev) == 3) ++ devinfo = &info[3]; ++ ++ /* Is this the 3rd channel CSB6 IDE ? */ ++ if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2) ++ ports = 1; ++ } ++ /* setup HT1000E */ ++ else if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE) ++ serverworks_fixup_ht1000(pdev); ++ ++ if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) ++ ata_pci_clear_simplex(pdev); ++ ++ port_info[0] = port_info[1] = devinfo; ++ return ata_pci_init_one(pdev, port_info, ports); ++} ++ ++static struct pci_device_id serverworks[] = { ++ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, ++ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, ++ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, ++ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, ++ { 0, }, ++}; ++ ++static struct pci_driver serverworks_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = serverworks, ++ .probe = serverworks_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init serverworks_init(void) ++{ ++ return pci_register_driver(&serverworks_pci_driver); ++} ++ ++ ++static void __exit serverworks_exit(void) ++{ ++ pci_unregister_driver(&serverworks_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for Serverworks OSB4/CSB5/CSB6"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, serverworks); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(serverworks_init); ++module_exit(serverworks_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_sil680.c linux-2.6.16-rc4/drivers/scsi/pata_sil680.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_sil680.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_sil680.c 2006-02-16 15:28:00.000000000 +0000 +@@ -0,0 +1,368 @@ ++/* ++ * pata_sil680.c - SIL680 PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * based upon ++ * ++ * linux/drivers/ide/pci/siimage.c Version 1.07 Nov 30, 2003 ++ * ++ * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org> ++ * Copyright (C) 2003 Red Hat <alan@redhat.com> ++ * ++ * May be copied or modified under the terms of the GNU General Public License ++ * ++ * Documentation publically available. ++ * ++ * If you have strange problems with nVidia chipset systems please ++ * see the SI support documentation and update your system BIOS ++ * if neccessary ++ * ++ * TODO ++ * If we know all our devices are LBA28 (or LBA28 sized) we could use ++ * the command fifo mode. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_sil680" ++#define DRV_VERSION "0.2.1" ++ ++/** ++ * sil680_selreg - return register base ++ * @hwif: interface ++ * @r: config offset ++ * ++ * Turn a config register offset into the right address in either ++ * PCI space or MMIO space to access the control register in question ++ * Thankfully this is a configuration operation so isnt performance ++ * criticial. ++ */ ++ ++static unsigned long sil680_selreg(struct ata_port *ap, int r) ++{ ++ unsigned long base = 0xA0 + r; ++ base += (ap->hard_port_no << 4); ++ return base; ++} ++ ++/** ++ * sil680_seldev - return register base ++ * @hwif: interface ++ * @r: config offset ++ * ++ * Turn a config register offset into the right address in either ++ * PCI space or MMIO space to access the control register in question ++ * including accounting for the unit shift. ++ */ ++ ++static unsigned long sil680_seldev(struct ata_port *ap, struct ata_device *adev, int r) ++{ ++ unsigned long base = 0xA0 + r; ++ base += (ap->hard_port_no << 4); ++ base |= adev->devno ? 2 : 0; ++ return base; ++} ++ ++ ++/** ++ * sil680_cable_detect - cable detection ++ * @ap: ATA port ++ * ++ * Perform cable detection. The SIL680 stores this in PCI config ++ * space for us. ++ */ ++ ++static int sil680_cable_detect(struct ata_port *ap) { ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ unsigned long addr = sil680_selreg(ap, 0); ++ u8 ata66; ++ pci_read_config_byte(pdev, addr, &ata66); ++ if (ata66 & 1) ++ return ATA_CBL_PATA80; ++ else ++ return ATA_CBL_PATA40; ++} ++ ++/** ++ * sil680_bus_reset - reset the SIL680 bus ++ * @ap: ATA port to reset ++ * ++ * Perform the SIL680 housekeeping when doing an ATA bus reset ++ */ ++ ++static void sil680_bus_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ unsigned long addr = sil680_selreg(ap, 0); ++ u8 reset; ++ ++ pci_read_config_byte(pdev, addr, &reset); ++ pci_write_config_byte(pdev, addr, reset | 0x03); ++ udelay(25); ++ pci_write_config_byte(pdev, addr, reset); ++ ata_bus_reset(ap); ++} ++ ++static void sil680_phy_reset(struct ata_port *ap) ++{ ++ ap->cbl = sil680_cable_detect(ap); ++ sil680_bus_reset(ap); ++ ata_port_probe(ap); ++} ++ ++/** ++ * sil680_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Program the SIL680 registers for PIO mode. Note that the task speed ++ * registers are shared between the devices so we must pick the lowest ++ * mode for command work. ++ */ ++ ++static void sil680_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static u16 speed_p[5] = { 0x328A, 0x2283, 0x1104, 0x10C3, 0x10C1 }; ++ static u16 speed_t[5] = { 0x328A, 0x1281, 0x1281, 0x10C3, 0x10C1 }; ++ ++ unsigned long tfaddr = sil680_selreg(ap, 0x02); ++ unsigned long addr = sil680_seldev(ap, adev, 0x04); ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int pio = adev->pio_mode - XFER_PIO_0; ++ int lowest_pio = pio; ++ u16 reg; ++ ++ struct ata_device *pair = ata_dev_pair(ap, adev); ++ ++ if (pair != NULL) { ++ if (adev->pio_mode > pair->pio_mode) ++ lowest_pio = pair->pio_mode - XFER_PIO_0; ++ } ++ ++ pci_write_config_word(pdev, addr, speed_p[pio]); ++ pci_write_config_word(pdev, tfaddr, speed_t[lowest_pio]); ++ ++ pci_read_config_word(pdev, tfaddr-2, ®); ++ reg &= ~0x0200; /* Clear IORDY */ ++ if (ata_pio_need_iordy(adev)) ++ reg |= 0x0200; /* Enable IORDY */ ++ pci_write_config_word(pdev, tfaddr-2, reg); ++} ++ ++/** ++ * sil680_set_dmamode - set initial DMA mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Program the MWDMA/UDMA modes for the sil680 k ++ * chipset. The MWDMA mode values are pulled from a lookup table ++ * while the chipset uses mode number for UDMA. ++ */ ++ ++static void sil680_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ static u8 ultra_table[2][7] = { ++ { 0x0C, 0x07, 0x05, 0x04, 0x02, 0x01, 0xFF }, /* 100MHz */ ++ { 0x0F, 0x0B, 0x07, 0x05, 0x03, 0x02, 0x01 }, /* 133Mhz */ ++ }; ++ static u16 dma_table[3] = { 0x2208, 0x10C2, 0x10C1 }; ++ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ unsigned long ma = sil680_seldev(ap, adev, 0x08); ++ unsigned long ua = sil680_seldev(ap, adev, 0x0C); ++ unsigned long addr_mask = 0x80 + 4 * ap->hard_port_no; ++ int port_shift = adev->devno * 4; ++ u8 scsc, mode; ++ u16 multi, ultra; ++ ++ pci_read_config_byte(pdev, 0x8A, &scsc); ++ pci_read_config_byte(pdev, addr_mask, &mode); ++ pci_read_config_word(pdev, ma, &multi); ++ pci_read_config_word(pdev, ua, &ultra); ++ ++ /* Mask timing bits */ ++ ultra &= ~0x3F; ++ mode &= ~(0x03 << port_shift); ++ ++ /* Extract scsc */ ++ scsc = (scsc & 0x30) ? 1: 0; ++ ++ if (adev->dma_mode >= XFER_UDMA_0) { ++ multi = 0x10C1; ++ ultra |= ultra_table[scsc][adev->dma_mode - XFER_UDMA_0]; ++ mode |= (0x03 << port_shift); ++ } else { ++ multi = dma_table[adev->dma_mode - XFER_MW_DMA_0]; ++ mode |= (0x02 << port_shift); ++ } ++ pci_write_config_byte(pdev, addr_mask, mode); ++ pci_write_config_word(pdev, ma, multi); ++ pci_write_config_word(pdev, ua, ultra); ++} ++ ++static struct scsi_host_template sil680_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations sil680_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = sil680_set_piomode, ++ .set_dmamode = sil680_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = sil680_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int sil680_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info = { ++ .sht = &sil680_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x7f, ++ .port_ops = &sil680_port_ops ++ }; ++ static struct ata_port_info info_slow = { ++ .sht = &sil680_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, ++ .port_ops = &sil680_port_ops ++ }; ++ static struct ata_port_info *port_info[2] = {&info, &info}; ++ static int printed_version; ++ u32 class_rev = 0; ++ u8 tmpbyte = 0; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); ++ ++ pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev); ++ class_rev &= 0xff; ++ /* FIXME: double check */ ++ pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, (class_rev) ? 1 : 255); ++ ++ pci_write_config_byte(pdev, 0x80, 0x00); ++ pci_write_config_byte(pdev, 0x84, 0x00); ++ pci_read_config_byte(pdev, 0x8A, &tmpbyte); ++ switch(tmpbyte & 0x30) { ++ case 0x00: ++ /* 133 clock attempt to force it on */ ++ pci_write_config_byte(pdev, 0x8A, tmpbyte|0x10); ++ case 0x30: ++ /* if clocking is disabled */ ++ /* 133 clock attempt to force it on */ ++ pci_write_config_byte(pdev, 0x8A, tmpbyte & ~0x20); ++ case 0x10: ++ /* 133 already */ ++ break; ++ case 0x20: ++ /* BIOS set PCI x2 clocking */ ++ break; ++ } ++ ++ pci_read_config_byte(pdev, 0x8A, &tmpbyte); ++ if ((tmpbyte & 0x30) == 0) ++ port_info[0] = port_info[1] = &info_slow; ++ ++ pci_write_config_byte(pdev, 0xA1, 0x72); ++ pci_write_config_word(pdev, 0xA2, 0x328A); ++ pci_write_config_dword(pdev, 0xA4, 0x62DD62DD); ++ pci_write_config_dword(pdev, 0xA8, 0x43924392); ++ pci_write_config_dword(pdev, 0xAC, 0x40094009); ++ pci_write_config_byte(pdev, 0xB1, 0x72); ++ pci_write_config_word(pdev, 0xB2, 0x328A); ++ pci_write_config_dword(pdev, 0xB4, 0x62DD62DD); ++ pci_write_config_dword(pdev, 0xB8, 0x43924392); ++ pci_write_config_dword(pdev, 0xBC, 0x40094009); ++ ++ switch(tmpbyte & 0x30) { ++ case 0x00: printk(KERN_INFO "sil680: 100MHz clock.\n");break; ++ case 0x10: printk(KERN_INFO "sil680: 133MHz clock.\n");break; ++ case 0x20: printk(KERN_INFO "sil680: Using PCI clock.\n");break; ++ /* This last case is _NOT_ ok */ ++ case 0x30: printk(KERN_ERR "sil680: Clock disabled ?\n"); ++ return -EIO; ++ } ++ return ata_pci_init_one(pdev, port_info, 2); ++} ++ ++static const struct pci_device_id sil680[] = { ++ { PCI_DEVICE(PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_680), }, ++ { 0, }, ++}; ++ ++static struct pci_driver sil680_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = sil680, ++ .probe = sil680_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init sil680_init(void) ++{ ++ return pci_register_driver(&sil680_pci_driver); ++} ++ ++ ++static void __exit sil680_exit(void) ++{ ++ pci_unregister_driver(&sil680_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for SI680 PATA"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, sil680); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(sil680_init); ++module_exit(sil680_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_sis.c linux-2.6.16-rc4/drivers/scsi/pata_sis.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_sis.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_sis.c 2006-02-16 15:36:13.000000000 +0000 +@@ -0,0 +1,982 @@ ++/* ++ * pata_sis.c - SiS ATA driver ++ * ++ * (C) 2005 Red Hat <alan@redhat.com> ++ * ++ * Based upon linux/drivers/ide/pci/sis5513.c ++ * Copyright (C) 1999-2000 Andre Hedrick <andre@linux-ide.org> ++ * Copyright (C) 2002 Lionel Bouton <Lionel.Bouton@inet6.fr>, Maintainer ++ * Copyright (C) 2003 Vojtech Pavlik <vojtech@suse.cz> ++ * SiS Taiwan : for direct support and hardware. ++ * Daniela Engert : for initial ATA100 advices and numerous others. ++ * John Fremlin, Manfred Spraul, Dave Morgan, Peter Kjellerstedt : ++ * for checking code correctness, providing patches. ++ * Original tests and design on the SiS620 chipset. ++ * ATA100 tests and design on the SiS735 chipset. ++ * ATA16/33 support from specs ++ * ATA133 support for SiS961/962 by L.C. Chang <lcchang@sis.com.tw> ++ * ++ * ++ * TODO ++ * Check MWDMA on drives that don't support MWDMA speed pio cycles ? ++ * More Testing ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <linux/device.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++#include <linux/ata.h> ++ ++#define DRV_NAME "pata_sis" ++#define DRV_VERSION "0.1" ++ ++struct sis_chipset { ++ u16 device; /* PCI host ID */ ++ struct ata_port_info *info; /* Info block */ ++ /* Probably add family, cable detect type etc here to clean ++ up code later */ ++}; ++ ++/** ++ * sis_133_cable_detect - check for 40/80 pin ++ * @ap: Port ++ * ++ * Perform cable detection for the later UDMA133 capable ++ * SiS chipset. ++ */ ++ ++static int sis_133_cable_detect(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u16 tmp; ++ ++ pci_read_config_word(pdev, 0x50 + 2 * ap->hard_port_no, &tmp); ++ if (tmp & 0x8000) ++ return ATA_CBL_PATA40; ++ return ATA_CBL_PATA80; ++} ++ ++/** ++ * sis_phy_reset - Probe specified port on PATA host controller ++ * @ap: Port to probe ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void sis_133_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static struct pci_bits sis_enable_bits[] = { ++ { 0x4aU, 1U, 0x02UL, 0x02UL }, /* port 0 */ ++ { 0x4aU, 1U, 0x04UL, 0x04UL }, /* port 1 */ ++ }; ++ ++ if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = sis_133_cable_detect(ap); ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++ ++/** ++ * sis_66_cable_detect - check for 40/80 pin ++ * @ap: Port ++ * ++ * Perform cable detection on the UDMA66, UDMA100 and early UDMA133 ++ * SiS IDE controllers. ++ */ ++ ++static int sis_66_cable_detect(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u8 tmp; ++ ++ pci_read_config_byte(pdev, 0x48, &tmp); ++ tmp >>= ap->hard_port_no; ++ if (tmp & 0x10) ++ return ATA_CBL_PATA40; ++ return ATA_CBL_PATA80; ++} ++ ++/** ++ * sis_66_phy_reset - Probe specified port on PATA host controller ++ * @ap: Port to probe ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void sis_66_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static struct pci_bits sis_enable_bits[] = { ++ { 0x4aU, 1U, 0x02UL, 0x02UL }, /* port 0 */ ++ { 0x4aU, 1U, 0x04UL, 0x04UL }, /* port 1 */ ++ }; ++ ++ if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = sis_66_cable_detect(ap); ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++ ++/** ++ * sis_old_phy_reset - Probe specified port on PATA host controller ++ * @ap: Port to probe ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void sis_old_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static struct pci_bits sis_enable_bits[] = { ++ { 0x4aU, 1U, 0x02UL, 0x02UL }, /* port 0 */ ++ { 0x4aU, 1U, 0x04UL, 0x04UL }, /* port 1 */ ++ }; ++ ++ if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * sis_set_fifo - Set RWP fifo bits for this device ++ * @ap: Port ++ * @adev: Device ++ * ++ * SIS chipsets implement prefetch/postwrite bits for each device ++ * on both channels. This functionality is not ATAPI compatible and ++ * must be configured according to the class of device present ++ */ ++ ++static void sis_set_fifo(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u8 reg4b; ++ u8 mask = 0x11; ++ ++ mask <<= (2 * ap->hard_port_no); ++ mask <<= adev->devno; ++ ++ pci_read_config_byte(pdev, 0x4B, ®4b); ++ reg4b &= ~mask; ++ ++ /* Enable for ATA (disk) only */ ++ if (adev->class == ATA_DEV_ATA) ++ reg4b |= mask; ++ pci_write_config_byte(pdev, 0x4B, reg4b); ++} ++ ++/** ++ * sis_old_set_piomode - Initialize host controller PATA PIO timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device we are configuring for. ++ * ++ * Set PIO mode for device, in host controller PCI config space. This ++ * function handles PIO set up for all chips that are pre ATA100 and ++ * also early ATA100 devices. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void sis_old_set_piomode (struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int port = 0x40 + 4 * ap->hard_port_no + 2 * adev->devno; ++ u8 t1, t2; ++ int speed = adev->pio_mode - XFER_PIO_0; ++ ++ const u8 active[] = { 0x00, 0x07, 0x04, 0x03, 0x01 }; ++ const u8 recovery[] = { 0x00, 0x06, 0x04, 0x03, 0x03 }; ++ ++ sis_set_fifo(ap, adev); ++ ++ pci_read_config_byte(pdev, port, &t1); ++ pci_read_config_byte(pdev, port + 1, &t2); ++ ++ t1 &= ~0x0F; /* Clear active/recovery timings */ ++ t2 &= ~0x07; ++ ++ t1 |= active[speed]; ++ t2 |= recovery[speed]; ++ ++ pci_write_config_byte(pdev, port, t1); ++ pci_write_config_byte(pdev, port + 1, t2); ++} ++ ++/** ++ * sis_100_set_pioode - Initialize host controller PATA PIO timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device we are configuring for. ++ * ++ * Set PIO mode for device, in host controller PCI config space. This ++ * function handles PIO set up for ATA100 devices and early ATA133. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void sis_100_set_piomode (struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int port = 0x40 + 4 * ap->hard_port_no + 2 * adev->devno; ++ int speed = adev->pio_mode - XFER_PIO_0; ++ ++ const u8 actrec[] = { 0x00, 0x67, 0x44, 0x33, 0x31 }; ++ ++ sis_set_fifo(ap, adev); ++ ++ pci_write_config_byte(pdev, port, actrec[speed]); ++} ++ ++/** ++ * sis_133_set_pioode - Initialize host controller PATA PIO timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device we are configuring for. ++ * ++ * Set PIO mode for device, in host controller PCI config space. This ++ * function handles PIO set up for the later ATA133 devices. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void sis_133_set_piomode (struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int port = 0x40; ++ u32 t1; ++ u32 reg54; ++ int speed = adev->pio_mode - XFER_PIO_0; ++ ++ const u32 timing100[] = { ++ 0x28269000, /* Recovery << 24 | Act << 16 | Ini << 12 */ ++ 0x0C266000, ++ 0x04263000, ++ 0x0C0A3000, ++ 0x05093000 ++ }; ++ const u32 timing133[] = { ++ 0x1E1C6000, /* Recovery << 24 | Act << 16 | Ini << 12 */ ++ 0x091C4000, ++ 0x031C2000, ++ 0x09072000, ++ 0x04062000 ++ }; ++ ++ sis_set_fifo(ap, adev); ++ ++ pci_read_config_dword(pdev, 0x54, ®54); ++ if (reg54 & 0x40000000) ++ port = 0x70; ++ port += 8 * ap->hard_port_no + 4 * adev->devno; ++ ++ pci_read_config_dword(pdev, port, &t1); ++ t1 &= 0xC0C00FFF; /* Mask out timing */ ++ ++ if (t1 & 0x08) /* 100 or 133 ? */ ++ t1 |= timing133[speed]; ++ else ++ t1 |= timing100[speed]; ++ pci_write_config_byte(pdev, port, t1); ++} ++ ++/** ++ * sis_old_set_dmamode - Initialize host controller PATA DMA timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device to program ++ * ++ * Set UDMA/MWDMA mode for device, in host controller PCI config space. ++ * Handles pre UDMA and UDMA33 devices. Supports MWDMA as well unlike ++ * the old ide/pci driver. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void sis_old_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int speed = adev->dma_mode - XFER_MW_DMA_0; ++ int drive_pci = 0x40 + 4 * ap->hard_port_no + 2 * adev->devno; ++ u16 timing; ++ ++ const u16 mwdma_bits[] = { 0x707, 0x202, 0x202 }; ++ const u16 udma_bits[] = { ++ 0xE000, 0xC000, 0xA000 ++ }; ++ ++ pci_read_config_word(pdev, drive_pci, &timing); ++ ++ if (adev->dma_mode < XFER_UDMA_0) { ++ /* bits 3-0 hold recovery timing bits 8-10 active timing and ++ the higer bits are dependant on the device */ ++ timing &= ~ 0x870F; ++ timing |= mwdma_bits[speed]; ++ pci_write_config_word(pdev, drive_pci, timing); ++ } else { ++ /* Bit 15 is UDMA on/off, bit 13-14 are cycle time */ ++ speed = adev->dma_mode - XFER_UDMA_0; ++ timing &= ~0x6000; ++ timing |= udma_bits[speed]; ++ } ++} ++ ++/** ++ * sis_66_set_dmamode - Initialize host controller PATA DMA timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device to program ++ * ++ * Set UDMA/MWDMA mode for device, in host controller PCI config space. ++ * Handles UDMA66 and early UDMA100 devices. Supports MWDMA as well unlike ++ * the old ide/pci driver. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void sis_66_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int speed = adev->dma_mode - XFER_MW_DMA_0; ++ int drive_pci = 0x40 + 4 * ap->hard_port_no + 2 * adev->devno; ++ u16 timing; ++ ++ const u16 mwdma_bits[] = { 0x707, 0x202, 0x202 }; ++ const u16 udma_bits[] = { 0xF000, 0xD000, 0xB000, 0xA000, 0x9000}; ++ ++ pci_read_config_word(pdev, drive_pci, &timing); ++ ++ if (adev->dma_mode < XFER_UDMA_0) { ++ /* bits 3-0 hold recovery timing bits 8-10 active timing and ++ the higer bits are dependant on the device, bit 15 udma */ ++ timing &= ~ 0x870F; ++ timing |= mwdma_bits[speed]; ++ } else { ++ /* Bit 15 is UDMA on/off, bit 12-14 are cycle time */ ++ speed = adev->dma_mode - XFER_UDMA_0; ++ timing &= ~0x6000; ++ timing |= udma_bits[speed]; ++ } ++ pci_write_config_word(pdev, drive_pci, timing); ++} ++ ++/** ++ * sis_100_set_dmamode - Initialize host controller PATA DMA timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device to program ++ * ++ * Set UDMA/MWDMA mode for device, in host controller PCI config space. ++ * Handles UDMA66 and early UDMA100 devices. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void sis_100_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int speed = adev->dma_mode - XFER_MW_DMA_0; ++ int drive_pci = 0x40 + 4 * ap->hard_port_no + 2 * adev->devno; ++ u16 timing; ++ ++ const u16 udma_bits[] = { 0x8B00, 0x8700, 0x8500, 0x8300, 0x8200, 0x8100}; ++ ++ pci_read_config_word(pdev, drive_pci, &timing); ++ ++ if (adev->dma_mode < XFER_UDMA_0) { ++ /* NOT SUPPORTED YET: NEED DATA SHEET. DITTO IN OLD DRIVER */ ++ } else { ++ /* Bit 15 is UDMA on/off, bit 12-14 are cycle time */ ++ speed = adev->dma_mode - XFER_UDMA_0; ++ timing &= ~0x0F00; ++ timing |= udma_bits[speed]; ++ } ++ pci_write_config_word(pdev, drive_pci, timing); ++} ++ ++/** ++ * sis_133_early_set_dmamode - Initialize host controller PATA DMA timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device to program ++ * ++ * Set UDMA/MWDMA mode for device, in host controller PCI config space. ++ * Handles early SiS 961 bridges. Supports MWDMA as well unlike ++ * the old ide/pci driver. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void sis_133_early_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int speed = adev->dma_mode - XFER_MW_DMA_0; ++ int drive_pci = 0x40 + 4 * ap->hard_port_no + 2 * adev->devno; ++ u16 timing; ++ ++ const u16 udma_bits[] = { 0x8F00, 0x8A00, 0x8700, 0x8500, 0x8300, 0x8200, 0x8100}; ++ ++ pci_read_config_word(pdev, drive_pci, &timing); ++ ++ if (adev->dma_mode < XFER_UDMA_0) { ++ /* NOT SUPPORTED YET: NEED DATA SHEET. DITTO IN OLD DRIVER */ ++ } else { ++ /* Bit 15 is UDMA on/off, bit 12-14 are cycle time */ ++ speed = adev->dma_mode - XFER_UDMA_0; ++ timing &= ~0x0F00; ++ timing |= udma_bits[speed]; ++ } ++ pci_write_config_word(pdev, drive_pci, timing); ++} ++ ++/** ++ * sis_133_set_dmamode - Initialize host controller PATA DMA timings ++ * @ap: Port whose timings we are configuring ++ * @adev: Device to program ++ * ++ * Set UDMA/MWDMA mode for device, in host controller PCI config space. ++ * Handles early SiS 961 bridges. Supports MWDMA as well unlike ++ * the old ide/pci driver. ++ * ++ * LOCKING: ++ * None (inherited from caller). ++ */ ++ ++static void sis_133_set_dmamode (struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ int speed = adev->dma_mode - XFER_MW_DMA_0; ++ int port = 0x40; ++ u32 t1; ++ u32 reg54; ++ ++ /* bits 4- cycle time 8 - cvs time */ ++ const u32 timing_u100[] = { 0x6B0, 0x470, 0x350, 0x140, 0x120, 0x110, 0x000 }; ++ const u32 timing_u133[] = { 0x9F0, 0x6A0, 0x470, 0x250, 0x230, 0x220, 0x210 }; ++ ++ pci_read_config_dword(pdev, 0x54, ®54); ++ if (reg54 & 0x40000000) ++ port = 0x70; ++ port += 8 * ap->hard_port_no + 4 * adev->devno; ++ ++ pci_read_config_dword(pdev, port, &t1); ++ ++ if (adev->dma_mode < XFER_UDMA_0) { ++ t1 &= ~0x00000004; ++ /* FIXME: need data sheet to add MWDMA here. Also lacking on ++ ide/pci driver */ ++ } else { ++ speed = adev->dma_mode - XFER_UDMA_0; ++ /* if & 8 no UDMA133 - need info for ... */ ++ t1 &= ~0x00000FF0; ++ t1 |= 0x00000004; ++ if (t1 & 0x08) ++ t1 |= timing_u133[speed]; ++ else ++ t1 |= timing_u100[speed]; ++ } ++ pci_write_config_dword(pdev, port, t1); ++} ++ ++static struct scsi_host_template sis_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static const struct ata_port_operations sis_133_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = sis_133_set_piomode, ++ .set_dmamode = sis_133_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = sis_133_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++static const struct ata_port_operations sis_133_early_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = sis_100_set_piomode, ++ .set_dmamode = sis_133_early_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = sis_66_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++static const struct ata_port_operations sis_100_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = sis_100_set_piomode, ++ .set_dmamode = sis_100_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = sis_66_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++static const struct ata_port_operations sis_66_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = sis_old_set_piomode, ++ .set_dmamode = sis_66_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = sis_66_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++static const struct ata_port_operations sis_old_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = sis_old_set_piomode, ++ .set_dmamode = sis_old_set_dmamode, ++ ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = sis_old_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .eng_timeout = ata_eng_timeout, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop, ++}; ++ ++static struct ata_port_info sis_info = { ++ .sht = &sis_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .mwdma_mask = 0x07, ++ .udma_mask = 0, ++ .port_ops = &sis_old_ops, ++}; ++static struct ata_port_info sis_info33 = { ++ .sht = &sis_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .mwdma_mask = 0x07, ++ .udma_mask = ATA_UDMA2, /* UDMA 33 */ ++ .port_ops = &sis_old_ops, ++}; ++static struct ata_port_info sis_info66 = { ++ .sht = &sis_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .udma_mask = ATA_UDMA4, /* UDMA 66 */ ++ .port_ops = &sis_66_ops, ++}; ++static struct ata_port_info sis_info100 = { ++ .sht = &sis_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .udma_mask = ATA_UDMA5, ++ .port_ops = &sis_100_ops, ++}; ++static struct ata_port_info sis_info100_early = { ++ .sht = &sis_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .udma_mask = ATA_UDMA5, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .port_ops = &sis_66_ops, ++}; ++static struct ata_port_info sis_info133 = { ++ .sht = &sis_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .udma_mask = ATA_UDMA6, ++ .port_ops = &sis_133_ops, ++}; ++static struct ata_port_info sis_info133_early = { ++ .sht = &sis_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, /* pio0-4 */ ++ .udma_mask = ATA_UDMA6, ++ .port_ops = &sis_133_early_ops, ++}; ++ ++ ++static void sis_fixup(struct pci_dev *pdev, struct sis_chipset *sis) ++{ ++ u16 regw; ++ u8 reg; ++ ++ if (sis->info == &sis_info133) { ++ pci_read_config_word(pdev, 0x50, ®w); ++ if (regw & 0x08) ++ pci_write_config_word(pdev, 0x50, regw & ~0x08); ++ pci_read_config_word(pdev, 0x52, ®w); ++ if (regw & 0x08) ++ pci_write_config_word(pdev, 0x52, regw & ~0x08); ++ return; ++ } ++ ++ if (sis->info == &sis_info133_early || sis->info == &sis_info100) { ++ /* Fix up latency */ ++ pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80); ++ /* Set compatibility bit */ ++ pci_read_config_byte(pdev, 0x49, ®); ++ if (!(reg & 0x01)) ++ pci_write_config_byte(pdev, 0x49, reg | 0x01); ++ return; ++ } ++ ++ if (sis->info == &sis_info66 || sis->info == &sis_info100_early) { ++ /* Fix up latency */ ++ pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80); ++ /* Set compatibility bit */ ++ pci_read_config_byte(pdev, 0x52, ®); ++ if (!(reg & 0x04)) ++ pci_write_config_byte(pdev, 0x52, reg | 0x04); ++ return; ++ } ++ ++ if (sis->info == &sis_info33) { ++ pci_read_config_byte(pdev, PCI_CLASS_PROG, ®); ++ if (( reg & 0x0F ) != 0x00) ++ pci_write_config_byte(pdev, PCI_CLASS_PROG, reg & 0xF0); ++ /* Fall through to ATA16 fixup below */ ++ } ++ ++ if (sis->info == &sis_info || sis->info == &sis_info33) { ++ /* force per drive recovery and active timings ++ needed on ATA_33 and below chips */ ++ pci_read_config_byte(pdev, 0x52, ®); ++ if (!(reg & 0x08)) ++ pci_write_config_byte(pdev, 0x52, reg|0x08); ++ return; ++ } ++ ++ BUG(); ++} ++ ++/** ++ * sis_init_one - Register SiS ATA PCI device with kernel services ++ * @pdev: PCI device to register ++ * @ent: Entry in sis_pci_tbl matching with @pdev ++ * ++ * Called from kernel PCI layer. We probe for combined mode (sigh), ++ * and then hand over control to libata, for it to do the rest. ++ * ++ * LOCKING: ++ * Inherited from PCI layer (may sleep). ++ * ++ * RETURNS: ++ * Zero on success, or -ERRNO value. ++ */ ++ ++static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) ++{ ++ static int printed_version; ++ static struct ata_port_info *port_info[2]; ++ struct ata_port_info *port; ++ struct pci_dev *host; ++ struct sis_chipset *chipset = NULL; ++ ++ static struct sis_chipset sis_chipsets[] = { ++ { 0x0745, &sis_info100 }, ++ { 0x0735, &sis_info100 }, ++ { 0x0733, &sis_info100 }, ++ { 0x0635, &sis_info100 }, ++ { 0x0633, &sis_info100 }, ++ ++ { 0x0730, &sis_info100_early }, /* 100 with ATA 66 layout */ ++ { 0x0550, &sis_info100_early }, /* 100 with ATA 66 layout */ ++ ++ { 0x0640, &sis_info66 }, ++ { 0x0630, &sis_info66 }, ++ { 0x0620, &sis_info66 }, ++ { 0x0540, &sis_info66 }, ++ { 0x0530, &sis_info66 }, ++ ++ { 0x5600, &sis_info33 }, ++ { 0x5598, &sis_info33 }, ++ { 0x5597, &sis_info33 }, ++ { 0x5591, &sis_info33 }, ++ { 0x5582, &sis_info33 }, ++ { 0x5581, &sis_info33 }, ++ ++ { 0x5596, &sis_info }, ++ { 0x5571, &sis_info }, ++ { 0x5517, &sis_info }, ++ { 0x5511, &sis_info }, ++ ++ {0} ++ }; ++ static struct sis_chipset sis133_early = { ++ 0x0, &sis_info133_early ++ }; ++ static struct sis_chipset sis133 = { ++ 0x0, &sis_info133 ++ }; ++ static struct sis_chipset sis100_early = { ++ 0x0, &sis_info100_early ++ }; ++ static struct sis_chipset sis100 = { ++ 0x0, &sis_info100 ++ }; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &pdev->dev, ++ "version " DRV_VERSION "\n"); ++ ++ /* We have to find the bridge first */ ++ ++ for (chipset = &sis_chipsets[0]; chipset->device; chipset++) { ++ host = pci_get_device(0x1039, chipset->device, NULL); ++ if (host != NULL) { ++ if (chipset->device == 0x630) { /* SIS630 */ ++ u8 host_rev; ++ pci_read_config_byte(host, PCI_REVISION_ID, &host_rev); ++ if (host_rev >= 0x30) /* 630 ET */ ++ chipset = &sis100_early; ++ } ++ break; ++ } ++ } ++ ++ /* Look for concealed bridges */ ++ if (host == NULL) { ++ /* Second check */ ++ u32 idemisc; ++ u16 trueid; ++ ++ /* Disable ID masking and register remapping then ++ see what the real ID is */ ++ ++ pci_read_config_dword(pdev, 0x54, &idemisc); ++ pci_write_config_dword(pdev, 0x54, idemisc & 0x7fffffff); ++ pci_read_config_word(pdev, PCI_DEVICE_ID, &trueid); ++ pci_write_config_dword(pdev, 0x54, idemisc); ++ ++ switch(trueid) { ++ case 0x5518: /* SIS 962/963 */ ++ chipset = &sis133; ++ if ((idemisc & 0x40000000) == 0) { ++ pci_write_config_dword(pdev, 0x54, idemisc | 0x40000000); ++ printk(KERN_INFO "SIS5513: Switching to 5513 register mapping\n"); ++ } ++ break; ++ case 0x0180: /* SIS 965/965L */ ++ chipset = &sis133; ++ break; ++ case 0x1180: /* SIS 966/966L */ ++ chipset = &sis133; ++ break; ++ } ++ } ++ ++ /* Further check */ ++ if (chipset == NULL) { ++ struct pci_dev *lpc_bridge; ++ u16 trueid; ++ u8 prefctl; ++ u8 idecfg; ++ u8 sbrev; ++ ++ /* Try the second unmasking technique */ ++ pci_read_config_byte(pdev, 0x4a, &idecfg); ++ pci_write_config_byte(pdev, 0x4a, idecfg | 0x10); ++ pci_read_config_word(pdev, PCI_DEVICE_ID, &trueid); ++ pci_write_config_byte(pdev, 0x4a, idecfg); ++ ++ switch(trueid) { ++ case 0x5517: ++ lpc_bridge = pci_get_slot(0x00, 0x10); /* Bus 0 Dev 2 Fn 0 */ ++ if (lpc_bridge == NULL) ++ break; ++ pci_read_config_byte(lpc_bridge, PCI_REVISION_ID, &sbrev); ++ pci_read_config_byte(pdev, 0x49, &prefctl); ++ pci_dev_put(lpc_bridge); ++ ++ if (sbrev == 0x10 && (prefctl & 0x80)) { ++ chipset = &sis133_early; ++ break; ++ } ++ chipset = &sis100; ++ break; ++ } ++ } ++ pci_dev_put(host); ++ ++ /* No chipset info, no support */ ++ if (chipset == NULL) ++ return -ENODEV; ++ ++ port = chipset->info; ++ port->private_data = chipset; ++ ++ sis_fixup(pdev, chipset); ++ ++ port_info[0] = port_info[1] = port; ++ return ata_pci_init_one(pdev, port_info, 2); ++} ++ ++static const struct pci_device_id sis_pci_tbl[] = { ++ { 0x1039, 0x5513, PCI_ANY_ID, PCI_ANY_ID, }, ++ { 0x1039, 0x5518, PCI_ANY_ID, PCI_ANY_ID, }, ++ { } /* terminate list */ ++}; ++ ++static struct pci_driver sis_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = sis_pci_tbl, ++ .probe = sis_init_one, ++ .remove = ata_pci_remove_one, ++}; ++ ++static int __init sis_init(void) ++{ ++ return pci_register_driver(&sis_pci_driver); ++} ++ ++static void __exit sis_exit(void) ++{ ++ pci_unregister_driver(&sis_pci_driver); ++} ++ ++ ++module_init(sis_init); ++module_exit(sis_exit); ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("SCSI low-level driver for SiS ATA"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, sis_pci_tbl); ++MODULE_VERSION(DRV_VERSION); ++ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_sl82c105.c linux-2.6.16-rc4/drivers/scsi/pata_sl82c105.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_sl82c105.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_sl82c105.c 2006-02-16 15:36:32.000000000 +0000 +@@ -0,0 +1,376 @@ ++/* ++ * pata_sl82c105.c - SL82C105 PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * Based in part on linux/drivers/ide/pci/sl82c105.c ++ * SL82C105/Winbond 553 IDE driver ++ * ++ * and in part on the documentation and errata sheet ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_sl82c105" ++#define DRV_VERSION "0.1.1" ++ ++enum { ++ /* ++ * SL82C105 PCI config register 0x40 bits. ++ */ ++ CTRL_IDE_IRQB = (1 << 30), ++ CTRL_IDE_IRQA = (1 << 28), ++ CTRL_LEGIRQ = (1 << 11), ++ CTRL_P1F16 = (1 << 5), ++ CTRL_P1EN = (1 << 4), ++ CTRL_P0F16 = (1 << 1), ++ CTRL_P0EN = (1 << 0) ++}; ++ ++static void sl82c105_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static struct pci_bits sl82c105_enable_bits[] = { ++ { 0x40, 1, 0x01, 0x01 }, ++ { 0x40, 1, 0x10, 0x10 } ++ }; ++ ++ if (ap->hard_port_no && !pci_test_config_bits(pdev, &sl82c105_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ dev_printk(KERN_INFO, &pdev->dev, "port disabled. ignoring.\n"); ++ return; ++ } ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++ ++/** ++ * sl82c105_configure_piomode - set chip PIO timing ++ * @ap: ATA interface ++ * @adev: ATA device ++ * @pio: PIO mode ++ * ++ * Called to do the PIO mode setup. Our timing registers are shared ++ * so a configure_dmamode call will undo any work we do here and vice ++ * versa ++ */ ++ ++static void sl82c105_configure_piomode(struct ata_port *ap, struct ata_device *adev, int pio) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static u16 pio_timing[5] = { ++ 0x50D, 0x407, 0x304, 0x242, 0x240 ++ }; ++ u16 dummy; ++ int timing = 0x44 + 8 * ap->hard_port_no + 4 * adev->devno; ++ ++ pci_write_config_word(pdev, timing, pio_timing[pio]); ++ /* Can we lose this oddity of the old driver */ ++ pci_read_config_word(pdev, timing, &dummy); ++} ++ ++/** ++ * sl82c105_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the PIO mode setup. Our timing registers are shared ++ * but we want to set the PIO timing by default. ++ */ ++ ++static void sl82c105_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ sl82c105_configure_piomode(ap, adev, adev->pio_mode - XFER_PIO_0); ++} ++ ++/** ++ * sl82c105_configure_dmamode - set DMA mode in chip ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Load DMA cycle times into the chip ready for a DMA transfer ++ * to occur. ++ */ ++ ++static void sl82c105_configure_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static u16 dma_timing[3] = { ++ 0x707, 0x201, 0x200 ++ }; ++ u16 dummy; ++ int timing = 0x44 + 8 * ap->hard_port_no + 4 * adev->devno; ++ int dma = adev->dma_mode - XFER_MW_DMA_0; ++ ++ pci_write_config_word(pdev, timing, dma_timing[dma]); ++ /* Can we lose this oddity of the old driver */ ++ pci_read_config_word(pdev, timing, &dummy); ++} ++ ++/** ++ * sl82c105_set_dmamode - set initial DMA mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Called to do the DMA mode setup. This replaces the PIO timings ++ * for the device in question. Set appropriate PIO timings not DMA ++ * timings at this point. ++ */ ++ ++static void sl82c105_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ switch(adev->dma_mode) { ++ case XFER_MW_DMA_0: ++ sl82c105_configure_piomode(ap, adev, 1); ++ break; ++ case XFER_MW_DMA_1: ++ sl82c105_configure_piomode(ap, adev, 3); ++ break; ++ case XFER_MW_DMA_2: ++ sl82c105_configure_piomode(ap, adev, 3); ++ break; ++ default: ++ BUG(); ++ } ++} ++ ++/** ++ * sl82c105_reset_engine - Reset the DMA engine ++ * @ap: ATA interface ++ * ++ * The sl82c105 has some serious problems with the DMA engine ++ * when transfers don't run as expected or ATAPI is used. The ++ * recommended fix is to reset the engine each use using a chip ++ * test register. ++ */ ++ ++static void sl82c105_reset_engine(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u16 val; ++ ++ pci_read_config_word(pdev, 0x7E, &val); ++ pci_write_config_word(pdev, 0x7E, val | 4); ++ pci_write_config_word(pdev, 0x7E, val & ~4); ++} ++ ++/** ++ * sl82c105_bmdma_start - DMA engine begin ++ * @qc: ATA command ++ * ++ * Reset the DMA engine each use as recommended by the errata ++ * document. ++ * ++ * FIXME: if we switch clock at BMDMA start/end we might get better ++ * PIO performance on DMA capable devices. ++ */ ++ ++static void sl82c105_bmdma_start(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ ++ sl82c105_reset_engine(ap); ++ ++ /* Set the clocks for DMA */ ++ sl82c105_configure_dmamode(ap, qc->dev); ++ /* Activate DMA */ ++ ata_bmdma_start(qc); ++} ++ ++/** ++ * sl82c105_bmdma_end - DMA engine stop ++ * @qc: ATA command ++ * ++ * Reset the DMA engine each use as recommended by the errata ++ * document. ++ * ++ * This function is also called to turn off DMA when a timeout occurs ++ * during DMA operation. In both cases we need to reset the engine, ++ * so no actual eng_timeout handler is required. ++ * ++ * We assume bmdma_stop is always called if bmdma_start as called. If ++ * not then we may need to wrap qc_issue. ++ */ ++ ++static void sl82c105_bmdma_stop(struct ata_queued_cmd *qc) ++{ ++ struct ata_port *ap = qc->ap; ++ ++ ata_bmdma_stop(qc); ++ sl82c105_reset_engine(ap); ++ ++ /* This will redo the initial setup of the DMA device to matching ++ PIO timings */ ++ sl82c105_set_dmamode(ap, qc->dev); ++} ++ ++static struct scsi_host_template sl82c105_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations sl82c105_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = sl82c105_set_piomode, ++ .set_dmamode = sl82c105_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = sl82c105_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = sl82c105_bmdma_start, ++ .bmdma_stop = sl82c105_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * sl82c105_bridge_revision - find bridge version ++ * @pdev: PCI device for the ATA function ++ * ++ * Locates the PCI bridge associated with the ATA function and ++ * providing it is a Winbond 553 reports the revision. If it cannot ++ * find a revision or the right device it returns -1 ++ */ ++ ++static int sl82c105_bridge_revision(struct pci_dev *pdev) ++{ ++ struct pci_dev *bridge; ++ u8 rev; ++ ++ /* ++ * The bridge should be part of the same device, but function 0. ++ */ ++ bridge = pci_get_slot(pdev->bus, ++ PCI_DEVFN(PCI_SLOT(pdev->devfn), 0)); ++ if (!bridge) ++ return -1; ++ ++ /* ++ * Make sure it is a Winbond 553 and is an ISA bridge. ++ */ ++ if (bridge->vendor != PCI_VENDOR_ID_WINBOND || ++ bridge->device != PCI_DEVICE_ID_WINBOND_83C553 || ++ bridge->class >> 8 != PCI_CLASS_BRIDGE_ISA) { ++ pci_dev_put(bridge); ++ return -1; ++ } ++ /* ++ * We need to find function 0's revision, not function 1 ++ */ ++ pci_read_config_byte(bridge, PCI_REVISION_ID, &rev); ++ ++ pci_dev_put(bridge); ++ return rev; ++} ++ ++ ++static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info_dma = { ++ .sht = &sl82c105_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .port_ops = &sl82c105_port_ops ++ }; ++ static struct ata_port_info info_early = { ++ .sht = &sl82c105_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .port_ops = &sl82c105_port_ops ++ }; ++ static struct ata_port_info *port_info[2] = { &info_early, &info_early }; ++ u32 val; ++ int rev; ++ ++ rev = sl82c105_bridge_revision(dev); ++ ++ if (rev == -1) ++ dev_printk(KERN_WARNING, &dev->dev, "pata_sl82c105: Unable to find bridge, disabling DMA.\n"); ++ else if (rev <= 5) ++ dev_printk(KERN_WARNING, &dev->dev, "pata_sl82c105: Early bridge revision, no DMA available.\n"); ++ else { ++ port_info[0] = &info_dma; ++ port_info[1] = &info_dma; ++ } ++ ++ pci_read_config_dword(dev, 0x40, &val); ++ val |= CTRL_P0EN | CTRL_P0F16 | CTRL_P1F16; ++ pci_write_config_dword(dev, 0x40, val); ++ ++ ++ return ata_pci_init_one(dev, port_info, 1); /* For now */ ++} ++ ++static struct pci_device_id sl82c105[] = { ++ { PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { 0, }, ++}; ++ ++static struct pci_driver sl82c105_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = sl82c105, ++ .probe = sl82c105_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init sl82c105_init(void) ++{ ++ return pci_register_driver(&sl82c105_pci_driver); ++} ++ ++ ++static void __exit sl82c105_exit(void) ++{ ++ pci_unregister_driver(&sl82c105_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for Sl82c105"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, sl82c105); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(sl82c105_init); ++module_exit(sl82c105_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_triflex.c linux-2.6.16-rc4/drivers/scsi/pata_triflex.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_triflex.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_triflex.c 2006-02-16 15:36:23.000000000 +0000 +@@ -0,0 +1,268 @@ ++/* ++ * pata_triflex.c - Compaq PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * based upon ++ * ++ * triflex.c ++ * ++ * IDE Chipset driver for the Compaq TriFlex IDE controller. ++ * ++ * Known to work with the Compaq Workstation 5x00 series. ++ * ++ * Copyright (C) 2002 Hewlett-Packard Development Group, L.P. ++ * Author: Torben Mathiasen <torben.mathiasen@hp.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ * ++ * Loosely based on the piix & svwks drivers. ++ * ++ * Documentation: ++ * Not publically available. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_triflex" ++#define DRV_VERSION "0.2.1" ++ ++static void triflex_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ static struct pci_bits triflex_enable_bits[] = { ++ { 0x80, 1, 0x01, 0x01 }, ++ { 0x80, 1, 0x02, 0x02 } ++ }; ++ ++ if (!pci_test_config_bits(pdev, &triflex_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = ATA_CBL_PATA40; ++ ata_port_probe(ap); ++ ata_bus_reset(ap); ++} ++ ++/** ++ * triflex_load_timing - timing configuration ++ * @ap: ATA interface ++ * @adev: Device on the bus ++ * @speed: speed to configure ++ * ++ * The Triflex has one set of timings per device per channel. This ++ * means we must do some switching. As the PIO and DMA timings don't ++ * match we have to do some reloading unlike PIIX devices where tuning ++ * tricks can avoid it. ++ */ ++ ++static void triflex_load_timing(struct ata_port *ap, struct ata_device *adev, int speed) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 timing = 0; ++ u32 triflex_timing, old_triflex_timing; ++ int channel_offset = ap->hard_port_no ? 0x74: 0x70; ++ unsigned int is_slave = (adev->devno != 0); ++ ++ ++ pci_read_config_dword(pdev, channel_offset, &old_triflex_timing); ++ triflex_timing = old_triflex_timing; ++ ++ switch(speed) ++ { ++ case XFER_MW_DMA_2: ++ timing = 0x0103;break; ++ case XFER_MW_DMA_1: ++ timing = 0x0203;break; ++ case XFER_MW_DMA_0: ++ timing = 0x0808;break; ++ case XFER_SW_DMA_2: ++ case XFER_SW_DMA_1: ++ case XFER_SW_DMA_0: ++ timing = 0x0F0F;break; ++ case XFER_PIO_4: ++ timing = 0x0202;break; ++ case XFER_PIO_3: ++ timing = 0x0204;break; ++ case XFER_PIO_2: ++ timing = 0x0404;break; ++ case XFER_PIO_1: ++ timing = 0x0508;break; ++ case XFER_PIO_0: ++ timing = 0x0808;break; ++ default: ++ BUG(); ++ } ++ triflex_timing &= ~ (0xFFFF << (16 * is_slave)); ++ triflex_timing |= (timing << (16 * is_slave)); ++ ++ if (triflex_timing != old_triflex_timing) ++ pci_write_config_dword(pdev, channel_offset, triflex_timing); ++} ++ ++/** ++ * triflex_set_piomode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * Use the timing loader to set up the PIO mode. We have to do this ++ * because DMA start/stop will only be called once DMA occurs. If there ++ * has been no DMA then the PIO timings are still needed. ++ */ ++static void triflex_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ triflex_load_timing(ap, adev, adev->pio_mode); ++} ++ ++/** ++ * triflex_dma_start - DMA start callback ++ * @qc: Command in progress ++ * ++ * Usually drivers set the DMA timing at the point the set_dmamode call ++ * is made. Triflex however requires we load new timings on the ++ * transition or keep matching PIO/DMA pairs (ie MWDMA2/PIO4 etc). ++ * We load the DMA timings just before starting DMA and then restore ++ * the PIO timing when the DMA is finished. ++ */ ++ ++static void triflex_bmdma_start(struct ata_queued_cmd *qc) ++{ ++ triflex_load_timing(qc->ap, qc->dev, qc->dev->dma_mode); ++ ata_bmdma_start(qc); ++} ++ ++/** ++ * triflex_dma_stop - DMA stop callback ++ * @ap: ATA interface ++ * @adev: ATA device ++ * ++ * We loaded new timings in dma_start, as a result we need to restore ++ * the PIO timings in dma_stop so that the next command issue gets the ++ * right clock values. ++ */ ++ ++static void triflex_bmdma_stop(struct ata_queued_cmd *qc) ++{ ++ ata_bmdma_stop(qc); ++ triflex_load_timing(qc->ap, qc->dev, qc->dev->pio_mode); ++} ++ ++static struct scsi_host_template triflex_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations triflex_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = triflex_set_piomode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = triflex_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = triflex_bmdma_start, ++ .bmdma_stop = triflex_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static int triflex_init_one(struct pci_dev *dev, const struct pci_device_id *id) ++{ ++ static struct ata_port_info info = { ++ .sht = &triflex_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .port_ops = &triflex_port_ops ++ }; ++ static struct ata_port_info *port_info[2] = { &info, &info }; ++ static int printed_version; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &dev->dev, "version " DRV_VERSION "\n"); ++ ++ return ata_pci_init_one(dev, port_info, 2); ++} ++ ++static const struct pci_device_id triflex[] = { ++ { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_TRIFLEX_IDE, ++ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, ++ { 0, }, ++}; ++ ++static struct pci_driver triflex_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = triflex, ++ .probe = triflex_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init triflex_init(void) ++{ ++ return pci_register_driver(&triflex_pci_driver); ++} ++ ++ ++static void __exit triflex_exit(void) ++{ ++ pci_unregister_driver(&triflex_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for Compaq Triflex"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, triflex); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(triflex_init); ++module_exit(triflex_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/pata_via.c linux-2.6.16-rc4/drivers/scsi/pata_via.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/pata_via.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16-rc4/drivers/scsi/pata_via.c 2006-02-16 15:28:17.000000000 +0000 +@@ -0,0 +1,547 @@ ++/* ++ * pata_via.c - VIA PATA for new ATA layer ++ * (C) 2005 Red Hat Inc ++ * Alan Cox <alan@redhat.com> ++ * ++ * Documentation ++ * Most chipset documentation available under NDA only ++ * ++ * VIA version guide ++ * VIA VT82C561 - early design, uses ata_generic currently ++ * VIA VT82C576 - MWDMA, 33Mhz ++ * VIA VT82C586 - MWDMA, 33Mhz ++ * VIA VT82C586a - Added UDMA to 33Mhz ++ * VIA VT82C586b - UDMA33 ++ * VIA VT82C596a - Nonfunctional UDMA66 ++ * VIA VT82C596b - Working UDMA66 ++ * VIA VT82C686 - Nonfunctional UDMA66 ++ * VIA VT82C686a - Working UDMA66 ++ * VIA VT82C686b - Updated to UDMA100 ++ * VIA VT8231 - UDMA100 ++ * VIA VT8233 - UDMA100 ++ * VIA VT8233a - UDMA133 ++ * VIA VT8233c - UDMA100 ++ * VIA VT8235 - UDMA133 ++ * VIA VT8237 - UDMA133 ++ * ++ * Most registers remain compatible across chips. Others start reserved ++ * and acquire sensible semantics if set to 1 (eg cable detect). A few ++ * exceptions exist, notably around the FIFO settings. ++ * ++ * One additional quirk of the VIA design is that like ALi they use few ++ * PCI IDs for a lot of chips. ++ * ++ * Based heavily on: ++ * ++ * Version 3.38 ++ * ++ * VIA IDE driver for Linux. Supported southbridges: ++ * ++ * vt82c576, vt82c586, vt82c586a, vt82c586b, vt82c596a, vt82c596b, ++ * vt82c686, vt82c686a, vt82c686b, vt8231, vt8233, vt8233c, vt8233a, ++ * vt8235, vt8237 ++ * ++ * Copyright (c) 2000-2002 Vojtech Pavlik ++ * ++ * Based on the work of: ++ * Michel Aubry ++ * Jeff Garzik ++ * Andre Hedrick ++ ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/blkdev.h> ++#include <linux/delay.h> ++#include <scsi/scsi_host.h> ++#include <linux/libata.h> ++ ++#define DRV_NAME "pata_via" ++#define DRV_VERSION "0.1.4" ++ ++/* ++ * The following comes directly from Vojtech Pavlik's ide/pci/via82cxxx ++ * driver. ++ */ ++ ++enum { ++ VIA_UDMA = 0x007, ++ VIA_UDMA_NONE = 0x000, ++ VIA_UDMA_33 = 0x001, ++ VIA_UDMA_66 = 0x002, ++ VIA_UDMA_100 = 0x003, ++ VIA_UDMA_133 = 0x004, ++ VIA_BAD_PREQ = 0x010, /* Crashes if PREQ# till DDACK# set */ ++ VIA_BAD_CLK66 = 0x020, /* 66 MHz clock doesn't work correctly */ ++ VIA_SET_FIFO = 0x040, /* Needs to have FIFO split set */ ++ VIA_NO_UNMASK = 0x080, /* Doesn't work with IRQ unmasking on */ ++ VIA_BAD_ID = 0x100, /* Has wrong vendor ID (0x1107) */ ++ VIA_BAD_AST = 0x200, /* Don't touch Address Setup Timing */ ++}; ++ ++/* ++ * VIA SouthBridge chips. ++ */ ++ ++static const struct via_isa_bridge { ++ const char *name; ++ u16 id; ++ u8 rev_min; ++ u8 rev_max; ++ u16 flags; ++} via_isa_bridges[] = { ++ { "vt8237", PCI_DEVICE_ID_VIA_8237, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, ++ { "vt8235", PCI_DEVICE_ID_VIA_8235, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, ++ { "vt8233a", PCI_DEVICE_ID_VIA_8233A, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, ++ { "vt8233c", PCI_DEVICE_ID_VIA_8233C_0, 0x00, 0x2f, VIA_UDMA_100 }, ++ { "vt8233", PCI_DEVICE_ID_VIA_8233_0, 0x00, 0x2f, VIA_UDMA_100 }, ++ { "vt8231", PCI_DEVICE_ID_VIA_8231, 0x00, 0x2f, VIA_UDMA_100 }, ++ { "vt82c686b", PCI_DEVICE_ID_VIA_82C686, 0x40, 0x4f, VIA_UDMA_100 }, ++ { "vt82c686a", PCI_DEVICE_ID_VIA_82C686, 0x10, 0x2f, VIA_UDMA_66 }, ++ { "vt82c686", PCI_DEVICE_ID_VIA_82C686, 0x00, 0x0f, VIA_UDMA_33 | VIA_BAD_CLK66 }, ++ { "vt82c596b", PCI_DEVICE_ID_VIA_82C596, 0x10, 0x2f, VIA_UDMA_66 }, ++ { "vt82c596a", PCI_DEVICE_ID_VIA_82C596, 0x00, 0x0f, VIA_UDMA_33 | VIA_BAD_CLK66 }, ++ { "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x47, 0x4f, VIA_UDMA_33 | VIA_SET_FIFO }, ++ { "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x40, 0x46, VIA_UDMA_33 | VIA_SET_FIFO | VIA_BAD_PREQ }, ++ { "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x30, 0x3f, VIA_UDMA_33 | VIA_SET_FIFO }, ++ { "vt82c586a", PCI_DEVICE_ID_VIA_82C586_0, 0x20, 0x2f, VIA_UDMA_33 | VIA_SET_FIFO }, ++ { "vt82c586", PCI_DEVICE_ID_VIA_82C586_0, 0x00, 0x0f, VIA_UDMA_NONE | VIA_SET_FIFO }, ++ { "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, VIA_UDMA_NONE | VIA_SET_FIFO | VIA_NO_UNMASK }, ++ { "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, VIA_UDMA_NONE | VIA_SET_FIFO | VIA_NO_UNMASK | VIA_BAD_ID }, ++ { NULL } ++}; ++ ++/** ++ * via_cable_detect - cable detection ++ * @ap: ATA port ++ * ++ * Perform cable detection. Actually for the VIA case the BIOS ++ * already did this for us. We read the values provided by the ++ * BIOS. If you are using an 8235 in a non-PC configuration you ++ * may need to update this code. ++ * ++ * Hotplug also impacts on this. ++ */ ++ ++static int via_cable_detect(struct ata_port *ap) { ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ u32 ata66; ++ pci_read_config_dword(pdev, 0x50, &ata66); ++ /* Check both the drive cable reporting bits, we might not have ++ two drives */ ++ if (ata66 & (0x1010 << (16 * ap->hard_port_no))) ++ return ATA_CBL_PATA80; ++ else ++ return ATA_CBL_PATA40; ++} ++ ++/** ++ * via_phy_reset - reset for eary chip ++ * @ap: ATA port ++ * ++ * Handle the reset callback for the later chips with cable detect ++ */ ++ ++static void via_phy_reset(struct ata_port *ap) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ ++ /* Note: When we add VIA 6410 remember it doesn't have enable bits */ ++ static struct pci_bits via_enable_bits[] = { ++ { 0x40, 1, 0x02, 0x02 }, ++ { 0x40, 1, 0x01, 0x01 } ++ }; ++ ++ if (!pci_test_config_bits(pdev, &via_enable_bits[ap->hard_port_no])) { ++ ata_port_disable(ap); ++ printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id); ++ return; ++ } ++ ap->cbl = via_cable_detect(ap); ++ ata_bus_reset(ap); ++ ata_port_probe(ap); ++} ++ ++/** ++ * via_do_set_mode - set initial PIO mode data ++ * @ap: ATA interface ++ * @adev: ATA device ++ * @mode: ATA mode being programmed ++ * @tdiv: Clocks per PCI clock ++ * @set_ast: Set to program address setup ++ * @udma_type: UDMA mode/format of registers ++ * ++ * Program the VIA registers for DMA and PIO modes. Uses the ata timing ++ * support in order to compute modes. ++ * ++ * FIXME: Hotplug will require we serialize multiple mode changes ++ * on the two channels. ++ */ ++ ++static void via_do_set_mode(struct ata_port *ap, struct ata_device *adev, int mode, int tdiv, int set_ast, int udma_type) ++{ ++ struct pci_dev *pdev = to_pci_dev(ap->host_set->dev); ++ struct ata_device *peer = ata_dev_pair(ap, adev); ++ struct ata_timing t, p; ++ static int via_clock = 33000; /* Bus clock in kHZ - ought to be tunable one day */ ++ unsigned long T = 1000000000 / via_clock; ++ unsigned long UT = T/tdiv; ++ int ut; ++ int offset = 3 - (2*ap->hard_port_no) - adev->devno; ++ ++ printk("via_do_set_mode: Mode=%d ast broken=%c udma=%d mul=%d\n", ++ mode, "YN"[set_ast], udma_type, tdiv); ++ /* Calculate the timing values we require */ ++ ata_timing_compute(adev, adev->pio_mode, &t, T, UT); ++ ++ /* We share 8bit timing so we must merge the constraints */ ++ if (peer) { ++ if (peer->pio_mode) { ++ ata_timing_compute(peer, peer->pio_mode, &p, T, UT); ++ ata_timing_merge(&p, &t, &t, ATA_TIMING_8BIT); ++ } ++ if (peer->dma_mode) { ++ ata_timing_compute(peer, peer->dma_mode, &p, T, UT); ++ ata_timing_merge(&p, &t, &t, ATA_TIMING_8BIT); ++ } ++ } ++ ++ /* Address setup is programmable but breaks on UDMA133 setups */ ++ if (set_ast) { ++ u8 setup; /* 2 bits per drive */ ++ int shift = 2 * offset; ++ ++ pci_read_config_byte(pdev, 0x4C, &setup); ++ setup &= ~(3 << shift); ++ setup |= FIT(t.setup, 1, 4) << shift; ++ pci_write_config_byte(pdev, 0x4C, setup); ++ } ++ ++ /* Load the PIO mode bits */ ++ pci_write_config_byte(pdev, 0x4F - ap->hard_port_no, ++ ((FIT(t.act8b, 1, 16) - 1) << 4) | (FIT(t.rec8b, 1, 16) - 1)); ++ pci_write_config_byte(pdev, 0x48 + offset, ++ ((FIT(t.active, 1, 16) - 1) << 4) | (FIT(t.recover, 1, 16) - 1)); ++ ++ /* Load the UDMA bits according to type */ ++ switch(udma_type) { ++ default: ++ /* BUG() ? */ ++ /* fall through */ ++ case 33: ++ ut = t.udma ? (0xe0 | (FIT(t.udma, 2, 5) - 2)) : 0x03; ++ break; ++ case 66: ++ ut = t.udma ? (0xe8 | (FIT(t.udma, 2, 9) - 2)) : 0x0f; ++ break; ++ case 100: ++ ut = t.udma ? (0xe0 | (FIT(t.udma, 2, 9) - 2)) : 0x07; ++ break; ++ case 133: ++ ut = t.udma ? (0xe0 | (FIT(t.udma, 2, 9) - 2)) : 0x07; ++ break; ++ } ++ /* Set UDMA unless device is not UDMA capable */ ++ if (udma_type) ++ pci_write_config_byte(pdev, 0x50 + offset, ut); ++} ++ ++static void via_set_piomode(struct ata_port *ap, struct ata_device *adev) ++{ ++ const struct via_isa_bridge *config = ap->host_set->private_data; ++ int set_ast = (config->flags & VIA_BAD_AST) ? 0 : 1; ++ int mode = config->flags & VIA_UDMA; ++ static u8 tclock[5] = { 1, 1, 2, 3, 4 }; ++ static u8 udma[5] = { 0, 33, 66, 100, 133 }; ++ ++ via_do_set_mode(ap, adev, adev->pio_mode, tclock[mode], set_ast, udma[mode]); ++} ++ ++static void via_set_dmamode(struct ata_port *ap, struct ata_device *adev) ++{ ++ const struct via_isa_bridge *config = ap->host_set->private_data; ++ int set_ast = (config->flags & VIA_BAD_AST) ? 0 : 1; ++ int mode = config->flags & VIA_UDMA; ++ static u8 tclock[5] = { 1, 1, 2, 3, 4 }; ++ static u8 udma[5] = { 0, 33, 66, 100, 133 }; ++ ++ via_do_set_mode(ap, adev, adev->dma_mode, tclock[mode], set_ast, udma[mode]); ++} ++ ++static struct scsi_host_template via_sht = { ++ .module = THIS_MODULE, ++ .name = DRV_NAME, ++ .ioctl = ata_scsi_ioctl, ++ .queuecommand = ata_scsi_queuecmd, ++ .eh_strategy_handler = ata_scsi_error, ++ .can_queue = ATA_DEF_QUEUE, ++ .this_id = ATA_SHT_THIS_ID, ++ .sg_tablesize = LIBATA_MAX_PRD, ++ .max_sectors = ATA_MAX_SECTORS, ++ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, ++ .emulated = ATA_SHT_EMULATED, ++ .use_clustering = ATA_SHT_USE_CLUSTERING, ++ .proc_name = DRV_NAME, ++ .dma_boundary = ATA_DMA_BOUNDARY, ++ .slave_configure = ata_scsi_slave_config, ++ .bios_param = ata_std_bios_param, ++// .ordered_flush = 1, ++}; ++ ++static struct ata_port_operations via_port_ops = { ++ .port_disable = ata_port_disable, ++ .set_piomode = via_set_piomode, ++ .set_dmamode = via_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = via_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++static struct ata_port_operations via_port_ops_noirq = { ++ .port_disable = ata_port_disable, ++ .set_piomode = via_set_piomode, ++ .set_dmamode = via_set_dmamode, ++ .tf_load = ata_tf_load, ++ .tf_read = ata_tf_read, ++ .check_status = ata_check_status, ++ .exec_command = ata_exec_command, ++ .dev_select = ata_std_dev_select, ++ ++ .phy_reset = via_phy_reset, ++ ++ .bmdma_setup = ata_bmdma_setup, ++ .bmdma_start = ata_bmdma_start, ++ .bmdma_stop = ata_bmdma_stop, ++ .bmdma_status = ata_bmdma_status, ++ ++ .qc_prep = ata_qc_prep, ++ .qc_issue = ata_qc_issue_prot, ++ .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer_noirq, ++ ++ .irq_handler = ata_interrupt, ++ .irq_clear = ata_bmdma_irq_clear, ++ ++ .port_start = ata_port_start, ++ .port_stop = ata_port_stop, ++ .host_stop = ata_host_stop ++}; ++ ++/** ++ * via_init_one - discovery callback ++ * @pdev: PCI device ID ++ * @id: PCI table info ++ * ++ * A VIA IDE interface has been discovered. Figure out what revision ++ * and perform configuration work before handing it to the ATA layer ++ */ ++ ++static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) ++{ ++ /* Early VIA without UDMA support */ ++ static struct ata_port_info via_mwdma_info = { ++ .sht = &via_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .port_ops = &via_port_ops ++ }; ++ /* Ditto with IRQ masking required */ ++ static struct ata_port_info via_mwdma_info_borked = { ++ .sht = &via_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_IRQ_MASK, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .port_ops = &via_port_ops_noirq, ++ }; ++ /* VIA UDMA 33 devices (and borked 66) */ ++ static struct ata_port_info via_udma33_info = { ++ .sht = &via_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x7, ++ .port_ops = &via_port_ops ++ }; ++ /* VIA UDMA 66 devices */ ++ static struct ata_port_info via_udma66_info = { ++ .sht = &via_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x1f, ++ .port_ops = &via_port_ops ++ }; ++ /* VIA UDMA 100 devices */ ++ static struct ata_port_info via_udma100_info = { ++ .sht = &via_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, ++ .port_ops = &via_port_ops ++ }; ++ /* UDMA133 with bad AST (All current 133) */ ++ static struct ata_port_info via_udma133_info = { ++ .sht = &via_sht, ++ .host_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, ++ .pio_mask = 0x1f, ++ .mwdma_mask = 0x07, ++ .udma_mask = 0x3f, /* 0x7F but need to fix north bridge */ ++ .port_ops = &via_port_ops ++ }; ++ struct ata_port_info *port_info[2], *type; ++ struct pci_dev *isa = NULL; ++ const struct via_isa_bridge *config; ++ static int printed_version; ++ u8 t; ++ u8 enable; ++ u32 timing; ++ ++ if (!printed_version++) ++ dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n"); ++ ++ /* To find out how the IDE will behave and what features we ++ actually have to look at the bridge not the IDE controller */ ++ for (config = via_isa_bridges; config->id; config++) ++ if ((isa = pci_get_device(PCI_VENDOR_ID_VIA + ++ !!(config->flags & VIA_BAD_ID), ++ config->id, NULL))) { ++ ++ pci_read_config_byte(isa, PCI_REVISION_ID, &t); ++ if (t >= config->rev_min && ++ t <= config->rev_max) ++ break; ++ pci_dev_put(isa); ++ } ++ ++ if (!config->id) { ++ printk(KERN_WARNING "via: Unknown VIA SouthBridge, disabling.\n"); ++ return -ENODEV; ++ } ++ ++ /* 0x40 low bits indicate enabled channels */ ++ pci_read_config_byte(pdev, 0x40 , &enable); ++ enable &= 3; ++ if (enable == 0) { ++ pci_dev_put(isa); ++ return -ENODEV; ++ } ++ ++ /* Initialise the FIFO for the enabled channels. */ ++ if (config->flags & VIA_SET_FIFO) { ++ u8 fifo_setting[4] = {0x00, 0x60, 0x00, 0x20}; ++ u8 fifo; ++ ++ pci_read_config_byte(pdev, 0x43, &fifo); ++ ++ /* Clear PREQ# until DDACK# for errata */ ++ if (config->flags & VIA_BAD_PREQ) ++ fifo &= 0x7F; ++ else ++ fifo &= 0x9f; ++ /* Turn on FIFO for enabled channels */ ++ fifo |= fifo_setting[enable]; ++ pci_write_config_byte(pdev, 0x43, fifo); ++ } ++ /* Clock set up */ ++ switch(config->flags & VIA_UDMA) { ++ case VIA_UDMA_NONE: ++ if (config->flags & VIA_NO_UNMASK) ++ type = &via_mwdma_info_borked; ++ else ++ type = &via_mwdma_info; ++ break; ++ case VIA_UDMA_33: ++ type = &via_udma33_info; ++ break; ++ case VIA_UDMA_66: ++ type = &via_udma66_info; ++ /* The 66 MHz devices require we enable the clock */ ++ pci_read_config_dword(pdev, 0x50, &timing); ++ timing |= 0x80008; ++ pci_write_config_dword(pdev, 0x50, timing); ++ break; ++ case VIA_UDMA_100: ++ type = &via_udma100_info; ++ break; ++ case VIA_UDMA_133: ++ type = &via_udma133_info; ++ break; ++ default: ++ type = NULL; ++ BUG(); ++ break; ++ } ++ ++ if (config->flags & VIA_BAD_CLK66) { ++ /* Disable the 66MHz clock on problem devices */ ++ pci_read_config_dword(pdev, 0x50, &timing); ++ timing &= ~0x80008; ++ pci_write_config_dword(pdev, 0x50, timing); ++ } ++ ++ /* We have established the device type, now fire it up */ ++ type->private_data = (void *)config; ++ ++ port_info[0] = port_info[1] = type; ++ return ata_pci_init_one(pdev, port_info, 2); ++} ++ ++static const struct pci_device_id via[] = { ++ { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C576_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, ++ { 0, }, ++}; ++ ++static struct pci_driver via_pci_driver = { ++ .name = DRV_NAME, ++ .id_table = via, ++ .probe = via_init_one, ++ .remove = ata_pci_remove_one ++}; ++ ++static int __init via_init(void) ++{ ++ return pci_register_driver(&via_pci_driver); ++} ++ ++ ++static void __exit via_exit(void) ++{ ++ pci_unregister_driver(&via_pci_driver); ++} ++ ++ ++MODULE_AUTHOR("Alan Cox"); ++MODULE_DESCRIPTION("low-level driver for VIA PATA"); ++MODULE_LICENSE("GPL"); ++MODULE_DEVICE_TABLE(pci, via); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(via_init); ++module_exit(via_exit); +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/sata_mv.c linux-2.6.16-rc4/drivers/scsi/sata_mv.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/sata_mv.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/sata_mv.c 2006-02-20 11:28:03.000000000 +0000 +@@ -389,6 +389,7 @@ + + .qc_prep = mv_qc_prep, + .qc_issue = mv_qc_issue, ++ .data_xfer = ata_mmio_data_xfer, + + .eng_timeout = mv_eng_timeout, + +@@ -416,6 +417,7 @@ + + .qc_prep = mv_qc_prep, + .qc_issue = mv_qc_issue, ++ .data_xfer = ata_mmio_data_xfer, + + .eng_timeout = mv_eng_timeout, + +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/sata_nv.c linux-2.6.16-rc4/drivers/scsi/sata_nv.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/sata_nv.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/sata_nv.c 2006-01-21 17:08:58.000000000 +0000 +@@ -258,6 +258,7 @@ + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + .eng_timeout = ata_eng_timeout, ++ .data_xfer = ata_pio_data_xfer, + .irq_handler = nv_interrupt, + .irq_clear = ata_bmdma_irq_clear, + .scr_read = nv_scr_read, +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/sata_promise.c linux-2.6.16-rc4/drivers/scsi/sata_promise.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/sata_promise.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/sata_promise.c 2006-02-06 12:36:12.000000000 +0000 +@@ -130,6 +130,7 @@ + .qc_prep = pdc_qc_prep, + .qc_issue = pdc_qc_issue_prot, + .eng_timeout = pdc_eng_timeout, ++ .data_xfer = ata_mmio_data_xfer, + .irq_handler = pdc_interrupt, + .irq_clear = pdc_irq_clear, + +@@ -152,6 +153,7 @@ + + .qc_prep = pdc_qc_prep, + .qc_issue = pdc_qc_issue_prot, ++ .data_xfer = ata_mmio_data_xfer, + .eng_timeout = pdc_eng_timeout, + .irq_handler = pdc_interrupt, + .irq_clear = pdc_irq_clear, +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/sata_qstor.c linux-2.6.16-rc4/drivers/scsi/sata_qstor.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/sata_qstor.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/sata_qstor.c 2006-01-21 17:09:57.000000000 +0000 +@@ -158,6 +158,7 @@ + .phy_reset = qs_phy_reset, + .qc_prep = qs_qc_prep, + .qc_issue = qs_qc_issue, ++ .data_xfer = ata_mmio_data_xfer, + .eng_timeout = qs_eng_timeout, + .irq_handler = qs_intr, + .irq_clear = qs_irq_clear, +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/sata_sil24.c linux-2.6.16-rc4/drivers/scsi/sata_sil24.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/sata_sil24.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/sata_sil24.c 2006-01-21 17:10:52.000000000 +0000 +@@ -309,6 +309,7 @@ + + .qc_prep = sil24_qc_prep, + .qc_issue = sil24_qc_issue, ++ .data_xfer = ata_mmio_data_xfer, + + .eng_timeout = sil24_eng_timeout, + +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/sata_sil.c linux-2.6.16-rc4/drivers/scsi/sata_sil.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/sata_sil.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/sata_sil.c 2006-02-14 17:23:28.000000000 +0000 +@@ -165,6 +165,7 @@ + .bmdma_status = ata_bmdma_status, + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_mmio_data_xfer, + .eng_timeout = ata_eng_timeout, + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/sata_sis.c linux-2.6.16-rc4/drivers/scsi/sata_sis.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/sata_sis.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/sata_sis.c 2006-01-21 17:11:23.000000000 +0000 +@@ -115,6 +115,7 @@ + .bmdma_status = ata_bmdma_status, + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, + .eng_timeout = ata_eng_timeout, + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/sata_svw.c linux-2.6.16-rc4/drivers/scsi/sata_svw.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/sata_svw.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/sata_svw.c 2006-02-06 12:30:23.000000000 +0000 +@@ -320,6 +320,7 @@ + .bmdma_status = ata_bmdma_status, + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_mmio_data_xfer, + .eng_timeout = ata_eng_timeout, + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/sata_sx4.c linux-2.6.16-rc4/drivers/scsi/sata_sx4.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/sata_sx4.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/sata_sx4.c 2006-01-21 17:12:01.000000000 +0000 +@@ -206,6 +206,7 @@ + .phy_reset = pdc_20621_phy_reset, + .qc_prep = pdc20621_qc_prep, + .qc_issue = pdc20621_qc_issue_prot, ++ .data_xfer = ata_mmio_data_xfer, + .eng_timeout = pdc_eng_timeout, + .irq_handler = pdc20621_interrupt, + .irq_clear = pdc20621_irq_clear, +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/sata_uli.c linux-2.6.16-rc4/drivers/scsi/sata_uli.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/sata_uli.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/sata_uli.c 2006-01-21 17:12:24.000000000 +0000 +@@ -106,6 +106,7 @@ + .bmdma_status = ata_bmdma_status, + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, + + .eng_timeout = ata_eng_timeout, + +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/sata_via.c linux-2.6.16-rc4/drivers/scsi/sata_via.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/sata_via.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/sata_via.c 2006-01-21 17:12:51.000000000 +0000 +@@ -126,6 +126,7 @@ + + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, + + .eng_timeout = ata_eng_timeout, + +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/drivers/scsi/sata_vsc.c linux-2.6.16-rc4/drivers/scsi/sata_vsc.c +--- linux.vanilla-2.6.16-rc4/drivers/scsi/sata_vsc.c 2006-02-20 11:22:25.000000000 +0000 ++++ linux-2.6.16-rc4/drivers/scsi/sata_vsc.c 2006-02-20 11:28:11.000000000 +0000 +@@ -280,6 +280,7 @@ + .bmdma_status = ata_bmdma_status, + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, ++ .data_xfer = ata_pio_data_xfer, + .eng_timeout = ata_eng_timeout, + .irq_handler = vsc_sata_interrupt, + .irq_clear = ata_bmdma_irq_clear, +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/include/linux/ata.h linux-2.6.16-rc4/include/linux/ata.h +--- linux.vanilla-2.6.16-rc4/include/linux/ata.h 2006-02-20 11:22:26.000000000 +0000 ++++ linux-2.6.16-rc4/include/linux/ata.h 2006-02-15 14:39:41.000000000 +0000 +@@ -134,6 +134,8 @@ + ATA_CMD_PIO_READ_EXT = 0x24, + ATA_CMD_PIO_WRITE = 0x30, + ATA_CMD_PIO_WRITE_EXT = 0x34, ++ ATA_CMD_READ_NATIVE_MAX = 0xF8, ++ ATA_CMD_READ_NATIVE_MAX_EXT = 0x27, + ATA_CMD_READ_MULTI = 0xC4, + ATA_CMD_READ_MULTI_EXT = 0x29, + ATA_CMD_WRITE_MULTI = 0xC5, +@@ -247,18 +249,22 @@ + }; + + #define ata_id_is_ata(id) (((id)[0] & (1 << 15)) == 0) ++#define ata_id_is_cfa(id) ((id)[0] == 0x848A) + #define ata_id_is_sata(id) ((id)[93] == 0) + #define ata_id_rahead_enabled(id) ((id)[85] & (1 << 6)) + #define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5)) ++#define ata_id_hpa_enabled(id) ((id)[85] & (1 << 10)) + #define ata_id_has_fua(id) ((id)[84] & (1 << 6)) + #define ata_id_has_flush(id) ((id)[83] & (1 << 12)) + #define ata_id_has_flush_ext(id) ((id)[83] & (1 << 13)) + #define ata_id_has_lba48(id) ((id)[83] & (1 << 10)) ++#define ata_id_has_hpa(id) ((id)[82] & (1 << 10)) + #define ata_id_has_wcache(id) ((id)[82] & (1 << 5)) + #define ata_id_has_pm(id) ((id)[82] & (1 << 3)) + #define ata_id_has_lba(id) ((id)[49] & (1 << 9)) + #define ata_id_has_dma(id) ((id)[49] & (1 << 8)) + #define ata_id_removeable(id) ((id)[0] & (1 << 7)) ++#define ata_id_has_dword_io(id) ((id)[50] & (1 << 0)) + #define ata_id_u32(id,n) \ + (((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)])) + #define ata_id_u64(id,n) \ +diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.16-rc4/include/linux/libata.h linux-2.6.16-rc4/include/linux/libata.h +--- linux.vanilla-2.6.16-rc4/include/linux/libata.h 2006-02-20 11:22:26.000000000 +0000 ++++ linux-2.6.16-rc4/include/linux/libata.h 2006-02-16 15:41:24.000000000 +0000 +@@ -41,7 +41,7 @@ + #undef ATA_VERBOSE_DEBUG /* yet more debugging output */ + #undef ATA_IRQ_TRAP /* define to ack screaming irqs */ + #undef ATA_NDEBUG /* define to disable quick runtime checks */ +-#undef ATA_ENABLE_PATA /* define to enable PATA support in some ++#define ATA_ENABLE_PATA /* define to enable PATA support in some + * low-level drivers */ + #undef ATAPI_ENABLE_DMADIR /* enables ATAPI DMADIR bridge support */ + +@@ -101,6 +101,7 @@ + ATA_DFLAG_PIO = (1 << 1), /* device currently in PIO mode */ + ATA_DFLAG_LOCK_SECTORS = (1 << 2), /* don't adjust max_sectors */ + ATA_DFLAG_LBA = (1 << 3), /* device supports LBA */ ++ ATA_DFLAG_HPA = (1 << 4), /* device has an HPA */ + + ATA_DEV_UNKNOWN = 0, /* unknown device */ + ATA_DEV_ATA = 1, /* ATA device */ +@@ -133,6 +134,8 @@ + ATA_QCFLAG_SG = (1 << 3), /* have s/g table? */ + ATA_QCFLAG_SINGLE = (1 << 4), /* no s/g, just a single buffer */ + ATA_QCFLAG_DMAMAP = ATA_QCFLAG_SG | ATA_QCFLAG_SINGLE, ++ ++ ATA_HOST_SIMPLEX = (1 << 0), /* Host is simplex, one DMA channel per host_set only */ + + /* various lengths of time */ + ATA_TMOUT_EDD = 5 * HZ, /* heuristic */ +@@ -197,6 +200,7 @@ + + /* forward declarations */ + struct scsi_device; ++struct ata_host_set; + struct ata_port_operations; + struct ata_port; + struct ata_queued_cmd; +@@ -237,8 +241,10 @@ + unsigned long irq; + unsigned int irq_flags; + unsigned long host_flags; ++ unsigned long host_set_flags; + void __iomem *mmio_base; + void *private_data; ++ struct ata_host_set *host_set; /* Return not input value */ + }; + + struct ata_host_set { +@@ -250,6 +256,9 @@ + void *private_data; + const struct ata_port_operations *ops; + struct ata_port * ports[0]; ++ unsigned long host_set_flags; ++ int simplex_claimed; /* Keep seperate in case we ++ ever need to do this locked */ + }; + + struct ata_queued_cmd { +@@ -369,6 +378,7 @@ + + void (*set_piomode) (struct ata_port *, struct ata_device *); + void (*set_dmamode) (struct ata_port *, struct ata_device *); ++ unsigned int (*mode_filter) (const struct ata_port *, struct ata_device *, unsigned int, int); + + void (*tf_load) (struct ata_port *ap, const struct ata_taskfile *tf); + void (*tf_read) (struct ata_port *ap, struct ata_taskfile *tf); +@@ -379,12 +389,15 @@ + void (*dev_select)(struct ata_port *ap, unsigned int device); + + void (*phy_reset) (struct ata_port *ap); ++ void (*set_mode) (struct ata_port *ap); + void (*post_set_mode) (struct ata_port *ap); + + int (*check_atapi_dma) (struct ata_queued_cmd *qc); + + void (*bmdma_setup) (struct ata_queued_cmd *qc); + void (*bmdma_start) (struct ata_queued_cmd *qc); ++ ++ void (*data_xfer) (struct ata_port *, struct ata_device *, unsigned char *, unsigned int, int); + + void (*qc_prep) (struct ata_queued_cmd *qc); + int (*qc_issue) (struct ata_queued_cmd *qc); +@@ -443,8 +456,9 @@ + extern void ata_pci_remove_one (struct pci_dev *pdev); + extern int ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t state); + extern int ata_pci_device_resume(struct pci_dev *pdev); ++extern int ata_pci_clear_simplex(struct pci_dev *pdev); + #endif /* CONFIG_PCI */ +-extern int ata_device_add(const struct ata_probe_ent *ent); ++extern int ata_device_add(struct ata_probe_ent *ent); + extern void ata_host_set_remove(struct ata_host_set *host_set); + extern int ata_scsi_detect(struct scsi_host_template *sht); + extern int ata_scsi_ioctl(struct scsi_device *dev, int cmd, void __user *arg); +@@ -491,6 +505,15 @@ + extern void ata_bmdma_irq_clear(struct ata_port *ap); + extern void ata_qc_complete(struct ata_queued_cmd *qc); + extern void ata_eng_timeout(struct ata_port *ap); ++extern void ata_mmio_data_xfer(struct ata_port *ap, struct ata_device *adev, unsigned char *buf, ++ unsigned int buflen, int write_data); ++extern void ata_pio_data_xfer(struct ata_port *ap, struct ata_device *adev, unsigned char *buf, ++ unsigned int buflen, int write_data); ++extern void ata_mmio_data_xfer_noirq(struct ata_port *ap, struct ata_device *adev, unsigned char *buf, ++ unsigned int buflen, int do_write); ++extern void ata_pio_data_xfer_noirq(struct ata_port *ap, struct ata_device *adev, unsigned char *buf, ++ unsigned int buflen, int do_write); ++ + extern void ata_scsi_simulate(struct ata_port *ap, struct ata_device *dev, + struct scsi_cmnd *cmd, + void (*done)(struct scsi_cmnd *)); +@@ -498,6 +521,8 @@ + struct block_device *bdev, + sector_t capacity, int geom[]); + extern int ata_scsi_slave_config(struct scsi_device *sdev); ++extern struct ata_device *ata_dev_pair(struct ata_port *ap, ++ struct ata_device *adev); + + /* + * Timing helpers |