summaryrefslogtreecommitdiff
path: root/packages/linux/ixp4xx-kernel/2.6.16/05-patch-2.6.16-rc2-ide2
blob: 3ea46331f6939717d44fdec0180d3bc122114228 (plain)
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diff -u --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/arch/i386/pci/fixup.c linux-2.6.16-rc2/arch/i386/pci/fixup.c
--- linux.vanilla-2.6.16-rc2/arch/i386/pci/fixup.c	2006-02-06 12:21:33.000000000 +0000
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/cdrom/cdrom.c linux-2.6.16-rc2/drivers/cdrom/cdrom.c
--- linux.vanilla-2.6.16-rc2/drivers/cdrom/cdrom.c	2006-02-06 12:21:34.000000000 +0000
+++ linux-2.6.16-rc2/drivers/cdrom/cdrom.c	2006-01-17 16:34:19.000000000 +0000
@@ -1131,7 +1131,8 @@
 	This ensures that the drive gets unlocked after a mount fails.  This 
 	is a goto to avoid bloating the driver with redundant code. */ 
 clean_up_and_return:
-	cdinfo(CD_OPEN, "open failed.\n"); 
+	/* Don't log this, its a perfectly normal user occurence */
+	/* cdinfo(CD_WARNING, "open failed.\n");  */
 	if (CDROM_CAN(CDC_LOCK) && cdi->options & CDO_LOCK) {
 			cdo->lock_door(cdi, 0);
 			cdinfo(CD_OPEN, "door unlocked.\n");
diff -u --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/pci/probe.c linux-2.6.16-rc2/drivers/pci/probe.c
--- linux.vanilla-2.6.16-rc2/drivers/pci/probe.c	2006-02-06 12:21:35.000000000 +0000
+++ linux-2.6.16-rc2/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 */
@@ -687,6 +713,10 @@
 		dev->class = PCI_CLASS_NOT_DEFINED;
 	}
 
+	/* BIOS enabled, so assume there is a good reason */
+	pci_read_config_word(dev, PCI_COMMAND, &cmd);
+	if(cmd & PCI_COMMAND_MASTER)
+		dev->is_enabled = 1;
 	/* We found a fine healthy device, go go go... */
 	return 0;
 }
diff -u --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/ata_generic.c linux-2.6.16-rc2/drivers/scsi/ata_generic.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/ata_generic.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/ata_generic.c	2006-02-07 13:47:27.337665568 +0000
@@ -0,0 +1,242 @@
+/*
+ *  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_NS,PCI_DEVICE_ID_NS_87410),},
+	{ 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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/ata_piix.c linux-2.6.16-rc2/drivers/scsi/ata_piix.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/ata_piix.c	2006-02-06 12:21:35.000000000 +0000
+++ linux-2.6.16-rc2/drivers/scsi/ata_piix.c	2006-02-06 12:28:58.000000000 +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, &reg4042);
-	DPRINTK("reg4042 = 0x%04x\n", reg4042);
-	sitre = (reg4042 & 0x4000) ? 1 : 0;
-	pci_read_config_byte(dev, 0x48, &reg48);
-	pci_read_config_word(dev, 0x4a, &reg4a);
-	pci_read_config_byte(dev, 0x54, &reg54);
-	pci_read_config_byte(dev, 0x55, &reg55);
-
-	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;
+		u32 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_dword(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_dword(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
diff -u --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/Kconfig linux-2.6.16-rc2/drivers/scsi/Kconfig
--- linux.vanilla-2.6.16-rc2/drivers/scsi/Kconfig	2006-02-06 12:21:35.000000000 +0000
+++ linux-2.6.16-rc2/drivers/scsi/Kconfig	2006-02-07 13:48:49.000000000 +0000
@@ -599,6 +599,289 @@
 	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_OLDPIIX
+	tristate "Intel PATA old PIIX support (Raving Lunatic)"
+	depends on SCSI_SATA && PCI && EXPERIMENTAL
+	help
+	  This option enables support for old(?) PIIX PATA support.
+
+	  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_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_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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/libata-core.c linux-2.6.16-rc2/drivers/scsi/libata-core.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/libata-core.c	2006-02-06 12:21:35.000000000 +0000
+++ linux-2.6.16-rc2/drivers/scsi/libata-core.c	2006-02-07 11:23:41.765951784 +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);
@@ -614,7 +615,7 @@
 	} else if (lba48 && (qc->ap->flags & ATA_FLAG_PIO_LBA48)) {
 		/* Unable to use DMA due to host limitation */
 		tf->protocol = ATA_PROT_PIO;
-		index = dev->multi_count ? 0 : 4;
+		index = dev->multi_count ? 0 : 8;
 	} else {
 		tf->protocol = ATA_PROT_DMA;
 		index = 16;
@@ -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 */
@@ -1497,7 +1547,11 @@
 	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;
 
@@ -1824,16 +1878,19 @@
 		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 +1900,24 @@
 	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 +1933,64 @@
  */
 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 */
+
+	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;
+		}
 
-	/* 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]);
+                /* 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 +2335,57 @@
 	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;
+
+	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;
+	}
 
-	master = &ap->device[0];
-	slave = &ap->device[1];
+	/*
+	 *	Enforce simplex rules if host is simplex
+	 */
 
-	assert (ata_dev_present(master) || ata_dev_present(slave));
+        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);
-			}
-		}
-	}
-	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;
+		mask &= (adev->id[ATA_ID_MWDMA_MODES] & 0x07);
+		if (ata_dma_blacklisted(adev)) {
+			mask = 0;
+			ata_pr_blacklisted(ap, adev);
 		}
-	}
-	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 +2405,7 @@
 /**
  *	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 +2420,7 @@
  */
 
 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 +2429,7 @@
 
 	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) {
@@ -3010,7 +3072,7 @@
  *	Inherited from caller.
  */
 
-static void ata_mmio_data_xfer(struct ata_port *ap, unsigned char *buf,
+void ata_mmio_data_xfer(struct ata_port *ap, unsigned char *buf,
 			       unsigned int buflen, int write_data)
 {
 	unsigned int i;
@@ -3055,11 +3117,11 @@
  *	Inherited from caller.
  */
 
-static void ata_pio_data_xfer(struct ata_port *ap, unsigned char *buf,
+void ata_pio_data_xfer(struct ata_port *ap, 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 +3144,53 @@
 }
 
 /**
- *	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
  *	@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,
+void ata_pio_data_xfer_noirq(struct ata_port *ap, 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, 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
+ *	@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, 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, buf, buflen, do_write);
+	local_irq_restore(flags);
 }
 
 /**
@@ -3157,7 +3236,7 @@
 
 	/* 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, buf, ATA_SECT_SIZE, do_write);
 
 	kunmap(page);
 }
@@ -3204,7 +3283,7 @@
 			       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, (unsigned char*)pad_buf, 2, do_write);
 
 		ap->hsm_task_state = HSM_ST_LAST;
 		return;
@@ -3239,7 +3318,7 @@
 	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, buf, count, do_write);
 
 	kunmap(page);
 
@@ -3947,14 +4026,15 @@
 
 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);
+		}
+	}
 }
 
 
@@ -4193,12 +4273,12 @@
 		 */
 		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->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->cdb, ap->cdb_len, 1);
 
 		/* PIO commands are handled by polling */
 		ap->hsm_task_state = HSM_ST;
@@ -4504,7 +4584,7 @@
  *	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;
@@ -4524,6 +4604,9 @@
 	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++) {
@@ -4535,6 +4618,14 @@
 			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);
@@ -4551,6 +4642,7 @@
 	       		ent->irq);
 
 		ata_chk_status(ap);
+		/* This last call probably should be conditional on bmdma */
 		host_set->ops->irq_clear(ap);
 		count++;
 	}
@@ -4604,7 +4696,8 @@
 		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 */
@@ -4778,6 +4871,7 @@
 {
 	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)
@@ -4792,7 +4886,13 @@
 		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++;
 	}
@@ -4802,7 +4902,14 @@
 		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++;
 	}
@@ -4814,6 +4921,7 @@
 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)
@@ -4839,7 +4947,13 @@
 			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;
 }
@@ -5080,6 +5194,33 @@
 	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 */
 
 
@@ -5157,6 +5298,10 @@
 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);
@@ -5186,6 +5331,8 @@
 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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/Makefile linux-2.6.16-rc2/drivers/scsi/Makefile
--- linux.vanilla-2.6.16-rc2/drivers/scsi/Makefile	2006-02-06 12:21:35.000000000 +0000
+++ linux-2.6.16-rc2/drivers/scsi/Makefile	2006-02-07 13:49:19.944546720 +0000
@@ -139,6 +139,39 @@
 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-$(CONFIG_SCSI_PATA_OLDPIIX)	+= libata.o pata_oldpiix.o
+obj-$(CONFIG_SCSI_PATA_OPTI)	+= libata.o pata_opti.o
+obj-$(CONFIG_SCSI_PATA_PCMCIA)	+= libata.o pata_pcmcia.o
+obj-$(CONFIG_SCSI_PATA_QDI)	+= libata.o pata_qdi.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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_ali.c linux-2.6.16-rc2/drivers/scsi/pata_ali.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_ali.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_ali.c	2006-02-07 13:41:31.570750360 +0000
@@ -0,0 +1,602 @@
+/*
+ * 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 "0.1.1"
+
+/**
+ *	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;
+	int drwt = 0x5A + 4 * ap->hard_port_no + adev->devno;
+	int udmat = 0x56 + ap->hard_port_no;
+	int shift = 4 * adev->devno;
+	u8 udma;
+
+	if(ultra == 0) {
+		/* 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 = &ap->device[1-adev->devno];
+	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(ata_dev_present(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)
+{
+	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(0, 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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_amd.c linux-2.6.16-rc2/drivers/scsi/pata_amd.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_amd.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_amd.c	2006-01-30 15:07:32.000000000 +0000
@@ -0,0 +1,651 @@
+/*
+ * 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 "0.1.2"
+
+/**
+ *	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);
+	/* Should libata have an ata_peer() function */
+	struct ata_device *peer = &ap->device[1-adev->devno];
+	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 (ata_dev_present(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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_artop.c linux-2.6.16-rc2/drivers/scsi/pata_artop.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_artop.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_artop.c	2006-02-07 13:41:48.130232936 +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, &reg);		   
+		pci_write_config_byte(pdev, 0x49, reg & ~ 0x30);
+
+		/* Enable IRQ output and burst mode */
+		pci_read_config_byte(pdev, 0x4a, &reg);
+		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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_atiixp.c linux-2.6.16-rc2/drivers/scsi/pata_atiixp.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_atiixp.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_atiixp.c	2006-02-07 13:42:02.706017080 +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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_cmd64x.c linux-2.6.16-rc2/drivers/scsi/pata_cmd64x.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_cmd64x.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_cmd64x.c	2006-02-07 13:42:18.251653784 +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"
+
+/*
+ * 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 = &ap->device[adev->devno ^ 1];
+		struct ata_timing tp;
+		
+		if(ata_dev_present(pair)) {
+			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);
+	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, &regD);
+	pci_read_config_byte(pdev, pciU, &regU);
+
+	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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_cs5520.c linux-2.6.16-rc2/drivers/scsi/pata_cs5520.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_cs5520.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_cs5520.c	2006-02-07 13:42:34.495184392 +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	"0.3"
+
+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)
+{
+	cs5520_set_timings(ap, adev, 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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_cs5530.c linux-2.6.16-rc2/drivers/scsi/pata_cs5530.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_cs5530.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_cs5530.c	2006-02-07 13:42:42.392983744 +0000
@@ -0,0 +1,313 @@
+/*
+ * 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	"0.2"
+
+/**
+ *	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 should implement the switch but for now we follow
+ *	the old IDE driver and just avoid setting such combinations.
+ *
+ *	This will come up once the SATA core grows up and develops proper
+ *	timing code.
+ */
+ 
+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);
+}
+
+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 = {
+/*	.set_mode	= cs5530_set_mode,  FIXME - for master/slave */
+	
+	.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	= 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
+};	
+
+/**
+ *	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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_cs5535.c linux-2.6.16-rc2/drivers/scsi/pata_cs5535.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_cs5535.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_cs5535.c	2006-02-07 13:42:50.000000000 +0000
@@ -0,0 +1,294 @@
+/*
+ * 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	"0.1"
+
+/*
+ *	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 = &ap->device[1 - adev->devno];
+
+	int mode = adev->pio_mode - XFER_PIO_0;
+	int pairmode = pair->pio_mode - XFER_PIO_0;
+	int cmdmode = mode;
+	
+	/* Command timing has to be for the lowest of the pair of devices */
+	if(pair->class != ATA_DEV_NONE && pair->pio_mode)
+		cmdmode = min(mode, pairmode);
+	
+	/* Write the drive timing register */
+	wrmsr(ATAC_CH0D0_PIO + 2 * adev->devno, 
+		pio_cmd_timings[cmdmode] << 16 | pio_timings[mode], 0);
+
+	/* 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);
+		
+	/* 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
+ *
+ *	We cannot mix MWDMA and UDMA without reloading timings each switch
+ *	master to slave. We should implement the switch but for now we follow
+ *	the old IDE driver and just avoid setting such combinations.
+ *
+ *	This will come up once the SATA core grows up and develops proper
+ *	timing code.
+ */
+ 
+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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_cypress.c linux-2.6.16-rc2/drivers/scsi/pata_cypress.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_cypress.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_cypress.c	2006-02-07 13:43:01.234119456 +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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_efar.c linux-2.6.16-rc2/drivers/scsi/pata_efar.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_efar.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_efar.c	2006-02-07 13:41:17.978816648 +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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_hpt34x.c linux-2.6.16-rc2/drivers/scsi/pata_hpt34x.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_hpt34x.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_hpt34x.c	2006-02-07 13:40:32.684702400 +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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_hpt366.c linux-2.6.16-rc2/drivers/scsi/pata_hpt366.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_hpt366.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_hpt366.c	2006-02-07 13:40:40.000000000 +0000
@@ -0,0 +1,392 @@
+/*
+ * 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
+ *	Filters if neccessary
+ *	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	"0.1"
+
+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	}
+};
+
+/**
+ *	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, &reg);
+	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, &reg);
+	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,
+	
+	.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,  &reg1);
+	
+	/* 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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_hpt37x.c linux-2.6.16-rc2/drivers/scsi/pata_hpt37x.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_hpt37x.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_hpt37x.c	2006-02-07 13:40:49.417158680 +0000
@@ -0,0 +1,1089 @@
+/*
+ * 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
+ *	Filters if neccessary
+ *	PLL mode
+ *	Investigate if we need DPLL switching on the 370
+ *	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	"0.1.2"
+
+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();
+}
+	
+/**
+ *	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, &reg);
+	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, &reg);
+	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, &reg);
+	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, &reg);
+	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, HPT370A
+ */
+ 
+static struct ata_port_operations hpt370_port_ops = {
+	.port_disable	= ata_port_disable,
+	.set_piomode	= hpt370_set_piomode,
+	.set_dmamode	= hpt370_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 	= 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, &reg5b);
+		if(reg5b & 0x80) {
+			/* See if it stays set */
+			for(tries = 0; tries < 0x1000; tries ++) {
+				pci_read_config_byte(dev, 0x5b, &reg5b);
+				/* Failed ? */
+				if((reg5b & 0x80) == 0)
+					return 0;
+			}
+			/* Turn off tuning, we have the DPLL set */
+			pci_read_config_dword(dev, 0x5c, &reg5c);
+			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 and HPT370A - 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
+	};
+	/* 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_hpt370;
+				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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_hpt3x2n.c linux-2.6.16-rc2/drivers/scsi/pata_hpt3x2n.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_hpt3x2n.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_hpt3x2n.c	2006-02-07 13:50:40.927235480 +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, &reg);
+	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, &reg);
+	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, &reg5b);
+		if(reg5b & 0x80) {
+			/* See if it stays set */
+			for(tries = 0; tries < 0x1000; tries ++) {
+				pci_read_config_byte(dev, 0x5b, &reg5b);
+				/* Failed ? */
+				if((reg5b & 0x80) == 0)
+					return 0;
+			}
+			/* Turn off tuning, we have the DPLL set */
+			pci_read_config_dword(dev, 0x5c, &reg5c);
+			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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_isapnp.c linux-2.6.16-rc2/drivers/scsi/pata_isapnp.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_isapnp.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_it8172.c linux-2.6.16-rc2/drivers/scsi/pata_it8172.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_it8172.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_it8172.c	2006-02-07 13:40:09.935160856 +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, &reg40);
+	
+	/*
+	 * 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, &reg48);
+	pci_read_config_byte(pdev, 0x4A, &reg4a);
+
+ 	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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_it821x.c linux-2.6.16-rc2/drivers/scsi/pata_it821x.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_it821x.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_it821x.c	2006-02-07 13:41:20.868377368 +0000
@@ -0,0 +1,741 @@
+/*
+ * 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"
+
+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 = &ap->device[1-unit];
+
+	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) */
+			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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_legacy.c linux-2.6.16-rc2/drivers/scsi/pata_legacy.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_legacy.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_legacy.c	2006-02-07 11:44:14.578535784 +0000
@@ -0,0 +1,668 @@
+
+/*
+ *   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"
+
+#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, unsigned char *buf, unsigned int buflen, int write_data)
+{
+	int slop = buflen & 3;
+	unsigned long flags;
+	
+	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);
+}
+
+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, 50000, 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, 50000, 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 = &ap->device[adev->devno ^ 1];
+	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 = 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 (ata_dev_present(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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_mpiix.c linux-2.6.16-rc2/drivers/scsi/pata_mpiix.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_mpiix.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_mpiix.c	2006-01-21 16:55:12.000000000 +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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_netcell.c linux-2.6.16-rc2/drivers/scsi/pata_netcell.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_netcell.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_netcell.c	2006-02-07 13:48:27.721485832 +0000
@@ -0,0 +1,178 @@
+/*
+ *    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)
+{
+	/* If you have enable bits for devices ... , if not delete */
+	struct pci_dev *pdev = to_pci_dev(ap->host_set->dev);
+	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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_oldpiix.c linux-2.6.16-rc2/drivers/scsi/pata_oldpiix.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_oldpiix.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_opti.c linux-2.6.16-rc2/drivers/scsi/pata_opti.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_opti.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_opti.c	2006-01-21 16:55:42.000000000 +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 "0.1.1"
+
+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 = &ap->device[1 - adev->devno];
+	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 (ata_dev_present(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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_pcmcia.c linux-2.6.16-rc2/drivers/scsi/pata_pcmcia.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_pcmcia.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_pdc2027x.c linux-2.6.16-rc2/drivers/scsi/pata_pdc2027x.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_pdc2027x.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_qdi.c linux-2.6.16-rc2/drivers/scsi/pata_qdi.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_qdi.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_qdi.c	2006-01-21 20:43:47.000000000 +0000
@@ -0,0 +1,367 @@
+/*
+ *    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 "0.1"
+
+#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, 33000, 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, 33, 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, unsigned char *buf, unsigned int buflen, int write_data)
+{
+	int slop = buflen & 3;
+	
+	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);
+		}
+	}
+}
+
+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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_rz1000.c linux-2.6.16-rc2/drivers/scsi/pata_rz1000.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_rz1000.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_rz1000.c	2006-02-07 13:37:54.369769928 +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, &reg) != 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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_sc1200.c linux-2.6.16-rc2/drivers/scsi/pata_sc1200.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_sc1200.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_sc1200.c	2006-02-07 13:39:25.938849312 +0000
@@ -0,0 +1,264 @@
+/*
+ * 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	"0.1"
+
+#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. We should implement the switch but for now we follow
+ *	the old IDE driver and just avoid setting such combinations.
+ *
+ *	This will come up once the SATA core grows up and develops proper
+ *	timing code.
+ */
+ 
+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);
+}
+
+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 = {
+/*	.set_mode	= sc1200_set_mode,  FIXME - for master/slave */
+	
+	.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	= 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
+};	
+
+/**
+ *	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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_serverworks.c linux-2.6.16-rc2/drivers/scsi/pata_serverworks.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_serverworks.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_serverworks.c	2006-02-07 13:38:36.921301112 +0000
@@ -0,0 +1,591 @@
+/*
+ * 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);
+		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, &reg4c);
+			reg4c &= ~0x000007FF;
+			reg4c |=  0x00000040;
+			reg4c |=  0x00000020;
+			pci_write_config_dword(findev, 0x4C, reg4c);
+			pci_dev_put(findev);
+		}
+#if 0 
+FIXME
+		outb_p(0x06, 0x0c00);
+		dev->irq = inb_p(0x0c01);
+#endif
+	} 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, &reg41);
+			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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_sil680.c linux-2.6.16-rc2/drivers/scsi/pata_sil680.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_sil680.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_sil680.c	2006-01-21 17:04:00.000000000 +0000
@@ -0,0 +1,362 @@
+/*
+ * 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.
+ *	Mode filters for shared PIO
+ */
+
+#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 "0.1"
+
+/**
+ *	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 once the speed filters are
+ *	in we must pick the lowest mode or switch.
+ */
+
+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;
+	u16 reg;
+
+	pci_write_config_word(pdev, addr, speed_p[pio]);
+	pci_write_config_word(pdev, tfaddr, speed_t[pio]);
+
+	pci_read_config_word(pdev, tfaddr-2, &reg);
+	reg &= ~0x0200;			/* Clear IORDY */
+	if(pio > 2)
+		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. We don't yet handle
+ *	the shared pio speed stuff in full. FIXME
+ */
+
+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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_sis.c linux-2.6.16-rc2/drivers/scsi/pata_sis.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_sis.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_sis.c	2006-02-07 13:38:21.080709248 +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, &reg4b);
+	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, &reg54);
+	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, &reg54);
+	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, &regw);
+		if(regw & 0x08)
+			pci_write_config_word(pdev, 0x50, regw & ~0x08);
+		pci_read_config_word(pdev, 0x52, &regw);
+		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, &reg);
+		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, &reg);
+		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, &reg);
+		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, &reg);
+		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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_sl82c105.c linux-2.6.16-rc2/drivers/scsi/pata_sl82c105.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_sl82c105.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_sl82c105.c	2006-01-21 17:05:02.000000000 +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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_triflex.c linux-2.6.16-rc2/drivers/scsi/pata_triflex.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_triflex.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_triflex.c	2006-01-21 17:05:13.000000000 +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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/pata_via.c linux-2.6.16-rc2/drivers/scsi/pata_via.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/pata_via.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc2/drivers/scsi/pata_via.c	2006-01-21 17:06:09.000000000 +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 "0.1.3"
+
+/*
+ *	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 = &ap->device[1 - adev->devno];
+	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(ata_dev_present(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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/sata_mv.c linux-2.6.16-rc2/drivers/scsi/sata_mv.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/sata_mv.c	2006-02-06 12:21:40.000000000 +0000
+++ linux-2.6.16-rc2/drivers/scsi/sata_mv.c	2006-01-21 17:07:20.000000000 +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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/sata_nv.c linux-2.6.16-rc2/drivers/scsi/sata_nv.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/sata_nv.c	2006-02-06 12:21:40.000000000 +0000
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/sata_promise.c linux-2.6.16-rc2/drivers/scsi/sata_promise.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/sata_promise.c	2006-02-06 12:21:40.000000000 +0000
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/sata_qstor.c linux-2.6.16-rc2/drivers/scsi/sata_qstor.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/sata_qstor.c	2006-02-06 12:21:40.000000000 +0000
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/sata_sil24.c linux-2.6.16-rc2/drivers/scsi/sata_sil24.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/sata_sil24.c	2006-02-06 12:21:40.000000000 +0000
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/sata_sil.c linux-2.6.16-rc2/drivers/scsi/sata_sil.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/sata_sil.c	2006-02-06 12:21:40.000000000 +0000
+++ linux-2.6.16-rc2/drivers/scsi/sata_sil.c	2006-01-21 17:11:06.000000000 +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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/sata_sis.c linux-2.6.16-rc2/drivers/scsi/sata_sis.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/sata_sis.c	2006-02-06 12:21:40.000000000 +0000
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/sata_svw.c linux-2.6.16-rc2/drivers/scsi/sata_svw.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/sata_svw.c	2006-02-06 12:21:40.000000000 +0000
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/sata_sx4.c linux-2.6.16-rc2/drivers/scsi/sata_sx4.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/sata_sx4.c	2006-02-06 12:21:40.000000000 +0000
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/sata_uli.c linux-2.6.16-rc2/drivers/scsi/sata_uli.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/sata_uli.c	2006-02-06 12:21:40.000000000 +0000
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/sata_via.c linux-2.6.16-rc2/drivers/scsi/sata_via.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/sata_via.c	2006-02-06 12:21:40.000000000 +0000
+++ linux-2.6.16-rc2/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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/drivers/scsi/sata_vsc.c linux-2.6.16-rc2/drivers/scsi/sata_vsc.c
--- linux.vanilla-2.6.16-rc2/drivers/scsi/sata_vsc.c	2006-02-06 12:21:40.000000000 +0000
+++ linux-2.6.16-rc2/drivers/scsi/sata_vsc.c	2006-01-21 17:13:14.000000000 +0000
@@ -252,6 +252,7 @@
 	.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 --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/include/linux/ata.h linux-2.6.16-rc2/include/linux/ata.h
--- linux.vanilla-2.6.16-rc2/include/linux/ata.h	2006-02-06 12:21:42.000000000 +0000
+++ linux-2.6.16-rc2/include/linux/ata.h	2006-02-07 11:30:07.000000000 +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,
@@ -247,13 +249,16 @@
 };
 
 #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))
diff -u --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.16-rc2/include/linux/libata.h linux-2.6.16-rc2/include/linux/libata.h
--- linux.vanilla-2.6.16-rc2/include/linux/libata.h	2006-02-06 12:21:42.000000000 +0000
+++ linux-2.6.16-rc2/include/linux/libata.h	2006-02-06 18:45:03.000000000 +0000
@@ -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 *, 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, unsigned char *buf,
+			       unsigned int buflen, int write_data);
+extern void ata_pio_data_xfer(struct ata_port *ap, unsigned char *buf,
+			      unsigned int buflen, int write_data);
+extern void ata_mmio_data_xfer_noirq(struct ata_port *ap, unsigned char *buf,
+			  unsigned int buflen, int do_write);
+extern void ata_pio_data_xfer_noirq(struct ata_port *ap, 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 *));