diff options
Diffstat (limited to 'linux/linux-mtx-1-2.4.27/08-usb-nonpci-2.4.24.patch')
| -rw-r--r-- | linux/linux-mtx-1-2.4.27/08-usb-nonpci-2.4.24.patch | 3185 |
1 files changed, 0 insertions, 3185 deletions
diff --git a/linux/linux-mtx-1-2.4.27/08-usb-nonpci-2.4.24.patch b/linux/linux-mtx-1-2.4.27/08-usb-nonpci-2.4.24.patch deleted file mode 100644 index ca093e1a67..0000000000 --- a/linux/linux-mtx-1-2.4.27/08-usb-nonpci-2.4.24.patch +++ /dev/null @@ -1,3185 +0,0 @@ -diff -Nurb linux-mips-2.4.27/drivers/usb/host/Config.in linux/drivers/usb/host/Config.in ---- linux-mips-2.4.27/drivers/usb/host/Config.in 2003-11-17 02:07:42.000000000 +0100 -+++ linux/drivers/usb/host/Config.in 2004-11-23 11:24:10.599627448 +0100 -@@ -17,3 +17,4 @@ - dep_tristate ' SL811HS Alternate (x86, StrongARM, isosynchronous mode)' CONFIG_USB_SL811HS_ALT $CONFIG_USB $CONFIG_EXPERIMENTAL - dep_tristate ' SL811HS (x86, StrongARM) support, old driver' CONFIG_USB_SL811HS $CONFIG_USB $CONFIG_EXPERIMENTAL - fi -+dep_tristate ' Non-PCI OHCI support' CONFIG_USB_NON_PCI_OHCI $CONFIG_USB_OHCI -diff -Nurb linux-mips-2.4.27/drivers/usb/host/usb-ohci.c linux/drivers/usb/host/usb-ohci.c ---- linux-mips-2.4.27/drivers/usb/host/usb-ohci.c 2004-04-16 05:14:18.000000000 +0200 -+++ linux/drivers/usb/host/usb-ohci.c 2004-11-23 11:24:10.602626992 +0100 -@@ -2564,6 +2564,7 @@ - hc_release_ohci (ohci); - return ret; - } -+#ifndef CONFIG_USB_NON_PCI_OHCI - ohci->flags = id->driver_data; - - /* Check for NSC87560. We have to look at the bridge (fn1) to identify -@@ -2582,6 +2583,7 @@ - printk (KERN_INFO __FILE__ ": Using NSC SuperIO setup\n"); - if (ohci->flags & OHCI_QUIRK_AMD756) - printk (KERN_INFO __FILE__ ": AMD756 erratum 4 workaround\n"); -+#endif - - if (hc_reset (ohci) < 0) { - hc_release_ohci (ohci); -@@ -2627,8 +2629,10 @@ - int temp; - int i; - -+#ifndef CONFIG_USB_NON_PCI_OHCI - if (ohci->pci_latency) - pci_write_config_byte (ohci->ohci_dev, PCI_LATENCY_TIMER, ohci->pci_latency); -+#endif - - ohci->disabled = 1; - ohci->sleeping = 0; -@@ -2658,6 +2662,7 @@ - - /*-------------------------------------------------------------------------*/ - -+#ifndef CONFIG_USB_NON_PCI_OHCI - /* configured so that an OHCI device is always provided */ - /* always called with process context; sleeping is OK */ - -@@ -2705,6 +2710,88 @@ - } - return status; - } -+#else /* CONFIG_USB_NON_PCI_OHCI */ -+ -+// Boot options -+static int ohci_base=0, ohci_len=0; -+static int ohci_irq=-1; -+ -+MODULE_PARM(ohci_base, "i"); -+MODULE_PARM(ohci_len, "i"); -+MODULE_PARM(ohci_irq, "i"); -+MODULE_PARM_DESC(ohci_base, "IO Base address of OHCI Oper. registers"); -+MODULE_PARM_DESC(ohci_len, "IO length of OHCI Oper. registers"); -+MODULE_PARM_DESC(ohci_irq, "IRQ for OHCI interrupts"); -+ -+// bogus pci_dev -+static struct pci_dev bogus_pcidev; -+ -+static struct pci_driver ohci_pci_driver = { -+ name: "usb-ohci", -+}; -+ -+static int __devinit -+ohci_non_pci_init (void) -+{ -+ void *mem_base; -+ -+ if (!ohci_base || !ohci_len || (ohci_irq < 0)) -+ return -ENODEV; -+ -+ if (!request_mem_region (ohci_base, ohci_len, ohci_pci_driver.name)) { -+ dbg ("controller already in use"); -+ return -EBUSY; -+ } -+ -+ mem_base = ioremap_nocache (ohci_base, ohci_len); -+ if (!mem_base) { -+ err("Error mapping OHCI memory"); -+ return -EFAULT; -+ } -+ -+ /* -+ * Fill in the bogus pci_dev. Only those members actually -+ * dereferenced in this driver are initialized. -+ */ -+ memset(&bogus_pcidev, 0, sizeof(struct pci_dev)); -+ strcpy(bogus_pcidev.name, "non-PCI OHCI"); -+ strcpy(bogus_pcidev.slot_name, "builtin"); -+ bogus_pcidev.resource[0].name = "OHCI Operational Registers"; -+ bogus_pcidev.resource[0].start = ohci_base; -+ bogus_pcidev.resource[0].end = ohci_base + ohci_len; -+ bogus_pcidev.resource[0].flags = 0; -+ bogus_pcidev.irq = ohci_irq; -+ -+ return hc_found_ohci (&bogus_pcidev, bogus_pcidev.irq, mem_base, NULL); -+} -+ -+#ifndef MODULE -+ -+static int __init -+ohci_setup (char* options) -+{ -+ char* this_opt; -+ -+ if (!options || !*options) -+ return 0; -+ -+ for(this_opt=strtok(options,",");this_opt;this_opt=strtok(NULL,",")) { -+ if (!strncmp(this_opt, "base:", 5)) { -+ ohci_base = simple_strtoul(this_opt+5, NULL, 0); -+ } else if (!strncmp(this_opt, "len:", 4)) { -+ ohci_len = simple_strtoul(this_opt+4, NULL, 0); -+ } else if (!strncmp(this_opt, "irq:", 4)) { -+ ohci_irq = simple_strtoul(this_opt+4, NULL, 0); -+ } -+ } -+ return 0; -+} -+ -+__setup("usb_ohci=", ohci_setup); -+ -+#endif /* !MODULE */ -+ -+#endif /* CONFIG_USB_NON_PCI_OHCI */ - - /*-------------------------------------------------------------------------*/ - -@@ -2745,6 +2832,7 @@ - } - - -+#ifndef CONFIG_USB_NON_PCI_OHCI - #ifdef CONFIG_PM - - /*-------------------------------------------------------------------------*/ -@@ -2983,20 +3071,29 @@ - resume: ohci_pci_resume, - #endif /* PM */ - }; -+#endif /* CONFIG_USB_NON_PCI_OHCI */ - - - /*-------------------------------------------------------------------------*/ - - static int __init ohci_hcd_init (void) - { -+#ifndef CONFIG_USB_NON_PCI_OHCI - return pci_module_init (&ohci_pci_driver); -+#else -+ return ohci_non_pci_init(); -+#endif - } - - /*-------------------------------------------------------------------------*/ - - static void __exit ohci_hcd_cleanup (void) - { -+#ifndef CONFIG_USB_NON_PCI_OHCI - pci_unregister_driver (&ohci_pci_driver); -+#else -+ ohci_pci_remove(&bogus_pcidev); -+#endif - } - - module_init (ohci_hcd_init); -diff -Nurb linux-mips-2.4.27/drivers/usb/host/usb-ohci.c.orig linux/drivers/usb/host/usb-ohci.c.orig ---- linux-mips-2.4.27/drivers/usb/host/usb-ohci.c.orig 1970-01-01 01:00:00.000000000 +0100 -+++ linux/drivers/usb/host/usb-ohci.c.orig 2004-11-23 11:21:54.984244120 +0100 -@@ -0,0 +1,3008 @@ -+/* -+ * URB OHCI HCD (Host Controller Driver) for USB. -+ * -+ * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at> -+ * (C) Copyright 2000-2001 David Brownell <dbrownell@users.sourceforge.net> -+ * -+ * [ Initialisation is based on Linus' ] -+ * [ uhci code and gregs ohci fragments ] -+ * [ (C) Copyright 1999 Linus Torvalds ] -+ * [ (C) Copyright 1999 Gregory P. Smith] -+ * -+ * -+ * History: -+ * -+ * 2002/10/22 OHCI_USB_OPER for ALi lockup in IBM i1200 (ALEX <thchou@ali>) -+ * 2002/03/08 interrupt unlink fix (Matt Hughes), better cleanup on -+ * load failure (Matthew Frederickson) -+ * 2002/01/20 async unlink fixes: return -EINPROGRESS (per spec) and -+ * make interrupt unlink-in-completion work (db) -+ * 2001/09/19 USB_ZERO_PACKET support (Jean Tourrilhes) -+ * 2001/07/17 power management and pmac cleanup (Benjamin Herrenschmidt) -+ * 2001/03/24 td/ed hashing to remove bus_to_virt (Steve Longerbeam); -+ pci_map_single (db) -+ * 2001/03/21 td and dev/ed allocation uses new pci_pool API (db) -+ * 2001/03/07 hcca allocation uses pci_alloc_consistent (Steve Longerbeam) -+ * -+ * 2000/09/26 fixed races in removing the private portion of the urb -+ * 2000/09/07 disable bulk and control lists when unlinking the last -+ * endpoint descriptor in order to avoid unrecoverable errors on -+ * the Lucent chips. (rwc@sgi) -+ * 2000/08/29 use bandwidth claiming hooks (thanks Randy!), fix some -+ * urb unlink probs, indentation fixes -+ * 2000/08/11 various oops fixes mostly affecting iso and cleanup from -+ * device unplugs. -+ * 2000/06/28 use PCI hotplug framework, for better power management -+ * and for Cardbus support (David Brownell) -+ * 2000/earlier: fixes for NEC/Lucent chips; suspend/resume handling -+ * when the controller loses power; handle UE; cleanup; ... -+ * -+ * v5.2 1999/12/07 URB 3rd preview, -+ * v5.1 1999/11/30 URB 2nd preview, cpia, (usb-scsi) -+ * v5.0 1999/11/22 URB Technical preview, Paul Mackerras powerbook susp/resume -+ * i386: HUB, Keyboard, Mouse, Printer -+ * -+ * v4.3 1999/10/27 multiple HCs, bulk_request -+ * v4.2 1999/09/05 ISO API alpha, new dev alloc, neg Error-codes -+ * v4.1 1999/08/27 Randy Dunlap's - ISO API first impl. -+ * v4.0 1999/08/18 -+ * v3.0 1999/06/25 -+ * v2.1 1999/05/09 code clean up -+ * v2.0 1999/05/04 -+ * v1.0 1999/04/27 initial release -+ */ -+ -+#include <linux/config.h> -+#include <linux/module.h> -+#include <linux/pci.h> -+#include <linux/kernel.h> -+#include <linux/delay.h> -+#include <linux/ioport.h> -+#include <linux/sched.h> -+#include <linux/slab.h> -+#include <linux/smp_lock.h> -+#include <linux/errno.h> -+#include <linux/init.h> -+#include <linux/timer.h> -+#include <linux/list.h> -+#include <linux/interrupt.h> /* for in_interrupt() */ -+#undef DEBUG -+#include <linux/usb.h> -+ -+#include <asm/io.h> -+#include <asm/irq.h> -+#include <asm/system.h> -+#include <asm/unaligned.h> -+ -+#define OHCI_USE_NPS // force NoPowerSwitching mode -+// #define OHCI_VERBOSE_DEBUG /* not always helpful */ -+ -+#include "usb-ohci.h" -+ -+#include "../hcd.h" -+ -+#ifdef CONFIG_PMAC_PBOOK -+#include <asm/machdep.h> -+#include <asm/pmac_feature.h> -+#include <asm/pci-bridge.h> -+#ifndef CONFIG_PM -+#define CONFIG_PM -+#endif -+#endif -+ -+ -+/* -+ * Version Information -+ */ -+#define DRIVER_VERSION "v5.3" -+#define DRIVER_AUTHOR "Roman Weissgaerber <weissg@vienna.at>, David Brownell" -+#define DRIVER_DESC "USB OHCI Host Controller Driver" -+ -+/* For initializing controller (mask in an HCFS mode too) */ -+#define OHCI_CONTROL_INIT \ -+ (OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE -+ -+#define OHCI_UNLINK_TIMEOUT (HZ / 10) -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* AMD-756 (D2 rev) reports corrupt register contents in some cases. -+ * The erratum (#4) description is incorrect. AMD's workaround waits -+ * till some bits (mostly reserved) are clear; ok for all revs. -+ */ -+#define read_roothub(hc, register, mask) ({ \ -+ u32 temp = readl (&hc->regs->roothub.register); \ -+ if (hc->flags & OHCI_QUIRK_AMD756) \ -+ while (temp & mask) \ -+ temp = readl (&hc->regs->roothub.register); \ -+ temp; }) -+ -+static u32 roothub_a (struct ohci *hc) -+ { return read_roothub (hc, a, 0xfc0fe000); } -+static inline u32 roothub_b (struct ohci *hc) -+ { return readl (&hc->regs->roothub.b); } -+static inline u32 roothub_status (struct ohci *hc) -+ { return readl (&hc->regs->roothub.status); } -+static u32 roothub_portstatus (struct ohci *hc, int i) -+ { return read_roothub (hc, portstatus [i], 0xffe0fce0); } -+ -+ -+/*-------------------------------------------------------------------------* -+ * URB support functions -+ *-------------------------------------------------------------------------*/ -+ -+static void ohci_complete_add(struct ohci *ohci, struct urb *urb) -+{ -+ -+ if (urb->hcpriv != NULL) { -+ printk("completing with non-null priv!\n"); -+ return; -+ } -+ -+ if (ohci->complete_tail == NULL) { -+ ohci->complete_head = urb; -+ ohci->complete_tail = urb; -+ } else { -+ ohci->complete_head->hcpriv = urb; -+ ohci->complete_tail = urb; -+ } -+} -+ -+static inline struct urb *ohci_complete_get(struct ohci *ohci) -+{ -+ struct urb *urb; -+ -+ if ((urb = ohci->complete_head) == NULL) -+ return NULL; -+ if (urb == ohci->complete_tail) { -+ ohci->complete_tail = NULL; -+ ohci->complete_head = NULL; -+ } else { -+ ohci->complete_head = urb->hcpriv; -+ } -+ urb->hcpriv = NULL; -+ return urb; -+} -+ -+static inline void ohci_complete(struct ohci *ohci) -+{ -+ struct urb *urb; -+ -+ spin_lock(&ohci->ohci_lock); -+ while ((urb = ohci_complete_get(ohci)) != NULL) { -+ spin_unlock(&ohci->ohci_lock); -+ if (urb->dev) { -+ usb_dec_dev_use (urb->dev); -+ urb->dev = NULL; -+ } -+ if (urb->complete) -+ (*urb->complete)(urb); -+ spin_lock(&ohci->ohci_lock); -+ } -+ spin_unlock(&ohci->ohci_lock); -+} -+ -+/* free HCD-private data associated with this URB */ -+ -+static void urb_free_priv (struct ohci *hc, urb_priv_t * urb_priv) -+{ -+ int i; -+ int last = urb_priv->length - 1; -+ int len; -+ int dir; -+ struct td *td; -+ -+ if (last >= 0) { -+ -+ /* ISOC, BULK, INTR data buffer starts at td 0 -+ * CTRL setup starts at td 0 */ -+ td = urb_priv->td [0]; -+ -+ len = td->urb->transfer_buffer_length, -+ dir = usb_pipeout (td->urb->pipe) -+ ? PCI_DMA_TODEVICE -+ : PCI_DMA_FROMDEVICE; -+ -+ /* unmap CTRL URB setup */ -+ if (usb_pipecontrol (td->urb->pipe)) { -+ pci_unmap_single (hc->ohci_dev, -+ td->data_dma, 8, PCI_DMA_TODEVICE); -+ -+ /* CTRL data buffer starts at td 1 if len > 0 */ -+ if (len && last > 0) -+ td = urb_priv->td [1]; -+ } -+ -+ /* unmap data buffer */ -+ if (len && td->data_dma) -+ pci_unmap_single (hc->ohci_dev, td->data_dma, len, dir); -+ -+ for (i = 0; i <= last; i++) { -+ td = urb_priv->td [i]; -+ if (td) -+ td_free (hc, td); -+ } -+ } -+ -+ kfree (urb_priv); -+} -+ -+static void urb_rm_priv_locked (struct urb * urb) -+{ -+ urb_priv_t * urb_priv = urb->hcpriv; -+ -+ if (urb_priv) { -+ urb->hcpriv = NULL; -+ -+#ifdef DO_TIMEOUTS -+ if (urb->timeout) { -+ list_del (&urb->urb_list); -+ urb->timeout -= jiffies; -+ } -+#endif -+ -+ /* Release int/iso bandwidth */ -+ if (urb->bandwidth) { -+ switch (usb_pipetype(urb->pipe)) { -+ case PIPE_INTERRUPT: -+ usb_release_bandwidth (urb->dev, urb, 0); -+ break; -+ case PIPE_ISOCHRONOUS: -+ usb_release_bandwidth (urb->dev, urb, 1); -+ break; -+ default: -+ break; -+ } -+ } -+ -+ urb_free_priv ((struct ohci *)urb->dev->bus->hcpriv, urb_priv); -+ } else { -+ if (urb->dev != NULL) { -+ err ("Non-null dev at rm_priv time"); -+ // urb->dev = NULL; -+ } -+ } -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+#ifdef DEBUG -+static int sohci_get_current_frame_number (struct usb_device * dev); -+ -+/* debug| print the main components of an URB -+ * small: 0) header + data packets 1) just header */ -+ -+static void urb_print (struct urb * urb, char * str, int small) -+{ -+ unsigned int pipe= urb->pipe; -+ -+ if (!urb->dev || !urb->dev->bus) { -+ dbg("%s URB: no dev", str); -+ return; -+ } -+ -+#ifndef OHCI_VERBOSE_DEBUG -+ if (urb->status != 0) -+#endif -+ dbg("%s URB:[%4x] dev:%2d,ep:%2d-%c,type:%s,flags:%4x,len:%d/%d,stat:%d(%x)", -+ str, -+ sohci_get_current_frame_number (urb->dev), -+ usb_pipedevice (pipe), -+ usb_pipeendpoint (pipe), -+ usb_pipeout (pipe)? 'O': 'I', -+ usb_pipetype (pipe) < 2? (usb_pipeint (pipe)? "INTR": "ISOC"): -+ (usb_pipecontrol (pipe)? "CTRL": "BULK"), -+ urb->transfer_flags, -+ urb->actual_length, -+ urb->transfer_buffer_length, -+ urb->status, urb->status); -+#ifdef OHCI_VERBOSE_DEBUG -+ if (!small) { -+ int i, len; -+ -+ if (usb_pipecontrol (pipe)) { -+ printk (KERN_DEBUG __FILE__ ": cmd(8):"); -+ for (i = 0; i < 8 ; i++) -+ printk (" %02x", ((__u8 *) urb->setup_packet) [i]); -+ printk ("\n"); -+ } -+ if (urb->transfer_buffer_length > 0 && urb->transfer_buffer) { -+ printk (KERN_DEBUG __FILE__ ": data(%d/%d):", -+ urb->actual_length, -+ urb->transfer_buffer_length); -+ len = usb_pipeout (pipe)? -+ urb->transfer_buffer_length: urb->actual_length; -+ for (i = 0; i < 16 && i < len; i++) -+ printk (" %02x", ((__u8 *) urb->transfer_buffer) [i]); -+ printk ("%s stat:%d\n", i < len? "...": "", urb->status); -+ } -+ } -+#endif -+} -+ -+/* just for debugging; prints non-empty branches of the int ed tree inclusive iso eds*/ -+void ep_print_int_eds (ohci_t * ohci, char * str) { -+ int i, j; -+ __u32 * ed_p; -+ for (i= 0; i < 32; i++) { -+ j = 5; -+ ed_p = &(ohci->hcca->int_table [i]); -+ if (*ed_p == 0) -+ continue; -+ printk (KERN_DEBUG __FILE__ ": %s branch int %2d(%2x):", str, i, i); -+ while (*ed_p != 0 && j--) { -+ ed_t *ed = dma_to_ed (ohci, le32_to_cpup(ed_p)); -+ printk (" ed: %4x;", ed->hwINFO); -+ ed_p = &ed->hwNextED; -+ } -+ printk ("\n"); -+ } -+} -+ -+ -+static void ohci_dump_intr_mask (char *label, __u32 mask) -+{ -+ dbg ("%s: 0x%08x%s%s%s%s%s%s%s%s%s", -+ label, -+ mask, -+ (mask & OHCI_INTR_MIE) ? " MIE" : "", -+ (mask & OHCI_INTR_OC) ? " OC" : "", -+ (mask & OHCI_INTR_RHSC) ? " RHSC" : "", -+ (mask & OHCI_INTR_FNO) ? " FNO" : "", -+ (mask & OHCI_INTR_UE) ? " UE" : "", -+ (mask & OHCI_INTR_RD) ? " RD" : "", -+ (mask & OHCI_INTR_SF) ? " SF" : "", -+ (mask & OHCI_INTR_WDH) ? " WDH" : "", -+ (mask & OHCI_INTR_SO) ? " SO" : "" -+ ); -+} -+ -+static void maybe_print_eds (char *label, __u32 value) -+{ -+ if (value) -+ dbg ("%s %08x", label, value); -+} -+ -+static char *hcfs2string (int state) -+{ -+ switch (state) { -+ case OHCI_USB_RESET: return "reset"; -+ case OHCI_USB_RESUME: return "resume"; -+ case OHCI_USB_OPER: return "operational"; -+ case OHCI_USB_SUSPEND: return "suspend"; -+ } -+ return "?"; -+} -+ -+// dump control and status registers -+static void ohci_dump_status (ohci_t *controller) -+{ -+ struct ohci_regs *regs = controller->regs; -+ __u32 temp; -+ -+ temp = readl (®s->revision) & 0xff; -+ if (temp != 0x10) -+ dbg ("spec %d.%d", (temp >> 4), (temp & 0x0f)); -+ -+ temp = readl (®s->control); -+ dbg ("control: 0x%08x%s%s%s HCFS=%s%s%s%s%s CBSR=%d", temp, -+ (temp & OHCI_CTRL_RWE) ? " RWE" : "", -+ (temp & OHCI_CTRL_RWC) ? " RWC" : "", -+ (temp & OHCI_CTRL_IR) ? " IR" : "", -+ hcfs2string (temp & OHCI_CTRL_HCFS), -+ (temp & OHCI_CTRL_BLE) ? " BLE" : "", -+ (temp & OHCI_CTRL_CLE) ? " CLE" : "", -+ (temp & OHCI_CTRL_IE) ? " IE" : "", -+ (temp & OHCI_CTRL_PLE) ? " PLE" : "", -+ temp & OHCI_CTRL_CBSR -+ ); -+ -+ temp = readl (®s->cmdstatus); -+ dbg ("cmdstatus: 0x%08x SOC=%d%s%s%s%s", temp, -+ (temp & OHCI_SOC) >> 16, -+ (temp & OHCI_OCR) ? " OCR" : "", -+ (temp & OHCI_BLF) ? " BLF" : "", -+ (temp & OHCI_CLF) ? " CLF" : "", -+ (temp & OHCI_HCR) ? " HCR" : "" -+ ); -+ -+ ohci_dump_intr_mask ("intrstatus", readl (®s->intrstatus)); -+ ohci_dump_intr_mask ("intrenable", readl (®s->intrenable)); -+ // intrdisable always same as intrenable -+ // ohci_dump_intr_mask ("intrdisable", readl (®s->intrdisable)); -+ -+ maybe_print_eds ("ed_periodcurrent", readl (®s->ed_periodcurrent)); -+ -+ maybe_print_eds ("ed_controlhead", readl (®s->ed_controlhead)); -+ maybe_print_eds ("ed_controlcurrent", readl (®s->ed_controlcurrent)); -+ -+ maybe_print_eds ("ed_bulkhead", readl (®s->ed_bulkhead)); -+ maybe_print_eds ("ed_bulkcurrent", readl (®s->ed_bulkcurrent)); -+ -+ maybe_print_eds ("donehead", readl (®s->donehead)); -+} -+ -+static void ohci_dump_roothub (ohci_t *controller, int verbose) -+{ -+ __u32 temp, ndp, i; -+ -+ temp = roothub_a (controller); -+ if (temp == ~(u32)0) -+ return; -+ ndp = (temp & RH_A_NDP); -+ -+ if (verbose) { -+ dbg ("roothub.a: %08x POTPGT=%d%s%s%s%s%s NDP=%d", temp, -+ ((temp & RH_A_POTPGT) >> 24) & 0xff, -+ (temp & RH_A_NOCP) ? " NOCP" : "", -+ (temp & RH_A_OCPM) ? " OCPM" : "", -+ (temp & RH_A_DT) ? " DT" : "", -+ (temp & RH_A_NPS) ? " NPS" : "", -+ (temp & RH_A_PSM) ? " PSM" : "", -+ ndp -+ ); -+ temp = roothub_b (controller); -+ dbg ("roothub.b: %08x PPCM=%04x DR=%04x", -+ temp, -+ (temp & RH_B_PPCM) >> 16, -+ (temp & RH_B_DR) -+ ); -+ temp = roothub_status (controller); -+ dbg ("roothub.status: %08x%s%s%s%s%s%s", -+ temp, -+ (temp & RH_HS_CRWE) ? " CRWE" : "", -+ (temp & RH_HS_OCIC) ? " OCIC" : "", -+ (temp & RH_HS_LPSC) ? " LPSC" : "", -+ (temp & RH_HS_DRWE) ? " DRWE" : "", -+ (temp & RH_HS_OCI) ? " OCI" : "", -+ (temp & RH_HS_LPS) ? " LPS" : "" -+ ); -+ } -+ -+ for (i = 0; i < ndp; i++) { -+ temp = roothub_portstatus (controller, i); -+ dbg ("roothub.portstatus [%d] = 0x%08x%s%s%s%s%s%s%s%s%s%s%s%s", -+ i, -+ temp, -+ (temp & RH_PS_PRSC) ? " PRSC" : "", -+ (temp & RH_PS_OCIC) ? " OCIC" : "", -+ (temp & RH_PS_PSSC) ? " PSSC" : "", -+ (temp & RH_PS_PESC) ? " PESC" : "", -+ (temp & RH_PS_CSC) ? " CSC" : "", -+ -+ (temp & RH_PS_LSDA) ? " LSDA" : "", -+ (temp & RH_PS_PPS) ? " PPS" : "", -+ (temp & RH_PS_PRS) ? " PRS" : "", -+ (temp & RH_PS_POCI) ? " POCI" : "", -+ (temp & RH_PS_PSS) ? " PSS" : "", -+ -+ (temp & RH_PS_PES) ? " PES" : "", -+ (temp & RH_PS_CCS) ? " CCS" : "" -+ ); -+ } -+} -+ -+static void ohci_dump (ohci_t *controller, int verbose) -+{ -+ dbg ("OHCI controller usb-%s state", controller->ohci_dev->slot_name); -+ -+ // dumps some of the state we know about -+ ohci_dump_status (controller); -+ if (verbose) -+ ep_print_int_eds (controller, "hcca"); -+ dbg ("hcca frame #%04x", controller->hcca->frame_no); -+ ohci_dump_roothub (controller, 1); -+} -+ -+ -+#endif -+ -+/*-------------------------------------------------------------------------* -+ * Interface functions (URB) -+ *-------------------------------------------------------------------------*/ -+ -+/* return a request to the completion handler */ -+ -+static int sohci_return_urb (struct ohci *hc, struct urb * urb) -+{ -+ urb_priv_t * urb_priv = urb->hcpriv; -+ struct urb * urbt; -+ int i; -+ -+ if (!urb_priv) -+ return -1; /* urb already unlinked */ -+ -+ /* just to be sure */ -+ if (!urb->complete) { -+ urb_rm_priv_locked (urb); -+ ohci_complete_add(hc, urb); /* Just usb_dec_dev_use */ -+ return -1; -+ } -+ -+#ifdef DEBUG -+ urb_print (urb, "RET", usb_pipeout (urb->pipe)); -+#endif -+ -+ switch (usb_pipetype (urb->pipe)) { -+ case PIPE_INTERRUPT: -+ pci_unmap_single (hc->ohci_dev, -+ urb_priv->td [0]->data_dma, -+ urb->transfer_buffer_length, -+ usb_pipeout (urb->pipe) -+ ? PCI_DMA_TODEVICE -+ : PCI_DMA_FROMDEVICE); -+ if (urb->interval) { -+ urb->complete (urb); -+ -+ /* implicitly requeued */ -+ urb->actual_length = 0; -+ urb->status = -EINPROGRESS; -+ td_submit_urb (urb); -+ } else { -+ urb_rm_priv_locked (urb); -+ ohci_complete_add(hc, urb); -+ } -+ break; -+ -+ case PIPE_ISOCHRONOUS: -+ for (urbt = urb->next; urbt && (urbt != urb); urbt = urbt->next); -+ if (urbt) { /* send the reply and requeue URB */ -+ pci_unmap_single (hc->ohci_dev, -+ urb_priv->td [0]->data_dma, -+ urb->transfer_buffer_length, -+ usb_pipeout (urb->pipe) -+ ? PCI_DMA_TODEVICE -+ : PCI_DMA_FROMDEVICE); -+ urb->complete (urb); -+ urb->actual_length = 0; -+ urb->status = USB_ST_URB_PENDING; -+ urb->start_frame = urb_priv->ed->last_iso + 1; -+ if (urb_priv->state != URB_DEL) { -+ for (i = 0; i < urb->number_of_packets; i++) { -+ urb->iso_frame_desc[i].actual_length = 0; -+ urb->iso_frame_desc[i].status = -EXDEV; -+ } -+ td_submit_urb (urb); -+ } -+ -+ } else { /* unlink URB, call complete */ -+ urb_rm_priv_locked (urb); -+ ohci_complete_add(hc, urb); -+ } -+ break; -+ -+ case PIPE_BULK: -+ case PIPE_CONTROL: /* unlink URB, call complete */ -+ urb_rm_priv_locked (urb); -+ ohci_complete_add(hc, urb); -+ break; -+ } -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* get a transfer request */ -+ -+static int sohci_submit_urb (struct urb * urb) -+{ -+ ohci_t * ohci; -+ ed_t * ed; -+ urb_priv_t * urb_priv; -+ unsigned int pipe = urb->pipe; -+ int maxps = usb_maxpacket (urb->dev, pipe, usb_pipeout (pipe)); -+ int i, size = 0; -+ unsigned long flags; -+ int bustime = 0; -+ int mem_flags = GFP_ATOMIC; -+ -+ if (!urb->dev || !urb->dev->bus) -+ return -ENODEV; -+ -+ if (urb->hcpriv) /* urb already in use */ -+ return -EINVAL; -+ -+// if(usb_endpoint_halted (urb->dev, usb_pipeendpoint (pipe), usb_pipeout (pipe))) -+// return -EPIPE; -+ -+ usb_inc_dev_use (urb->dev); -+ ohci = (ohci_t *) urb->dev->bus->hcpriv; -+ -+#ifdef DEBUG -+ urb_print (urb, "SUB", usb_pipein (pipe)); -+#endif -+ -+ /* handle a request to the virtual root hub */ -+ if (usb_pipedevice (pipe) == ohci->rh.devnum) -+ return rh_submit_urb (urb); -+ -+ spin_lock_irqsave(&ohci->ohci_lock, flags); -+ -+ /* when controller's hung, permit only roothub cleanup attempts -+ * such as powering down ports */ -+ if (ohci->disabled) { -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ usb_dec_dev_use (urb->dev); -+ return -ESHUTDOWN; -+ } -+ -+ /* every endpoint has a ed, locate and fill it */ -+ if (!(ed = ep_add_ed (urb->dev, pipe, urb->interval, 1, mem_flags))) { -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ usb_dec_dev_use (urb->dev); -+ return -ENOMEM; -+ } -+ -+ /* for the private part of the URB we need the number of TDs (size) */ -+ switch (usb_pipetype (pipe)) { -+ case PIPE_BULK: /* one TD for every 4096 Byte */ -+ size = (urb->transfer_buffer_length - 1) / 4096 + 1; -+ -+ /* If the transfer size is multiple of the pipe mtu, -+ * we may need an extra TD to create a empty frame -+ * Jean II */ -+ if ((urb->transfer_flags & USB_ZERO_PACKET) && -+ usb_pipeout (pipe) && -+ (urb->transfer_buffer_length != 0) && -+ ((urb->transfer_buffer_length % maxps) == 0)) -+ size++; -+ break; -+ case PIPE_ISOCHRONOUS: /* number of packets from URB */ -+ size = urb->number_of_packets; -+ if (size <= 0) { -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ usb_dec_dev_use (urb->dev); -+ return -EINVAL; -+ } -+ for (i = 0; i < urb->number_of_packets; i++) { -+ urb->iso_frame_desc[i].actual_length = 0; -+ urb->iso_frame_desc[i].status = -EXDEV; -+ } -+ break; -+ case PIPE_CONTROL: /* 1 TD for setup, 1 for ACK and 1 for every 4096 B */ -+ size = (urb->transfer_buffer_length == 0)? 2: -+ (urb->transfer_buffer_length - 1) / 4096 + 3; -+ break; -+ case PIPE_INTERRUPT: /* one TD */ -+ size = 1; -+ break; -+ } -+ -+ /* allocate the private part of the URB */ -+ urb_priv = kmalloc (sizeof (urb_priv_t) + size * sizeof (td_t *), -+ GFP_ATOMIC); -+ if (!urb_priv) { -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ usb_dec_dev_use (urb->dev); -+ return -ENOMEM; -+ } -+ memset (urb_priv, 0, sizeof (urb_priv_t) + size * sizeof (td_t *)); -+ -+ /* fill the private part of the URB */ -+ urb_priv->length = size; -+ urb_priv->ed = ed; -+ -+ /* allocate the TDs (updating hash chains) */ -+ for (i = 0; i < size; i++) { -+ urb_priv->td[i] = td_alloc (ohci, SLAB_ATOMIC); -+ if (!urb_priv->td[i]) { -+ urb_priv->length = i; -+ urb_free_priv (ohci, urb_priv); -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ usb_dec_dev_use (urb->dev); -+ return -ENOMEM; -+ } -+ } -+ -+ if (ed->state == ED_NEW || (ed->state & ED_DEL)) { -+ urb_free_priv (ohci, urb_priv); -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ usb_dec_dev_use (urb->dev); -+ return -EINVAL; -+ } -+ -+ /* allocate and claim bandwidth if needed; ISO -+ * needs start frame index if it was't provided. -+ */ -+ switch (usb_pipetype (pipe)) { -+ case PIPE_ISOCHRONOUS: -+ if (urb->transfer_flags & USB_ISO_ASAP) { -+ urb->start_frame = ((ed->state == ED_OPER) -+ ? (ed->last_iso + 1) -+ : (le16_to_cpu (ohci->hcca->frame_no) + 10)) & 0xffff; -+ } -+ /* FALLTHROUGH */ -+ case PIPE_INTERRUPT: -+ if (urb->bandwidth == 0) { -+ bustime = usb_check_bandwidth (urb->dev, urb); -+ } -+ if (bustime < 0) { -+ urb_free_priv (ohci, urb_priv); -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ usb_dec_dev_use (urb->dev); -+ return bustime; -+ } -+ usb_claim_bandwidth (urb->dev, urb, bustime, usb_pipeisoc (urb->pipe)); -+#ifdef DO_TIMEOUTS -+ urb->timeout = 0; -+#endif -+ } -+ -+ urb->actual_length = 0; -+ urb->hcpriv = urb_priv; -+ urb->status = USB_ST_URB_PENDING; -+ -+ /* link the ed into a chain if is not already */ -+ if (ed->state != ED_OPER) -+ ep_link (ohci, ed); -+ -+ /* fill the TDs and link it to the ed */ -+ td_submit_urb (urb); -+ -+#ifdef DO_TIMEOUTS -+ /* maybe add to ordered list of timeouts */ -+ if (urb->timeout) { -+ struct list_head *entry; -+ -+ urb->timeout += jiffies; -+ -+ list_for_each (entry, &ohci->timeout_list) { -+ struct urb *next_urb; -+ -+ next_urb = list_entry (entry, struct urb, urb_list); -+ if (time_after_eq (urb->timeout, next_urb->timeout)) -+ break; -+ } -+ list_add (&urb->urb_list, entry); -+ -+ /* drive timeouts by SF (messy, but works) */ -+ writel (OHCI_INTR_SF, &ohci->regs->intrenable); -+ (void)readl (&ohci->regs->intrdisable); /* PCI posting flush */ -+ } -+#endif -+ -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* deactivate all TDs and remove the private part of the URB */ -+/* interrupt callers must use async unlink mode */ -+ -+static int sohci_unlink_urb (struct urb * urb) -+{ -+ unsigned long flags; -+ ohci_t * ohci; -+ -+ if (!urb) /* just to be sure */ -+ return -EINVAL; -+ -+ if (!urb->dev || !urb->dev->bus) -+ return -ENODEV; -+ -+ ohci = (ohci_t *) urb->dev->bus->hcpriv; -+ -+#ifdef DEBUG -+ urb_print (urb, "UNLINK", 1); -+#endif -+ -+ /* handle a request to the virtual root hub */ -+ if (usb_pipedevice (urb->pipe) == ohci->rh.devnum) -+ return rh_unlink_urb (urb); -+ -+ spin_lock_irqsave(&ohci->ohci_lock, flags); -+ if (urb->hcpriv && (urb->status == USB_ST_URB_PENDING)) { -+ if (!ohci->disabled) { -+ urb_priv_t * urb_priv; -+ -+ /* interrupt code may not sleep; it must use -+ * async status return to unlink pending urbs. -+ */ -+ if (!(urb->transfer_flags & USB_ASYNC_UNLINK) -+ && in_interrupt ()) { -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ err ("bug in call from %p; use async!", -+ __builtin_return_address(0)); -+ return -EWOULDBLOCK; -+ } -+ -+ /* flag the urb and its TDs for deletion in some -+ * upcoming SF interrupt delete list processing -+ */ -+ urb_priv = urb->hcpriv; -+ -+ if (!urb_priv || (urb_priv->state == URB_DEL)) { -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ return 0; -+ } -+ -+ urb_priv->state = URB_DEL; -+ ep_rm_ed (urb->dev, urb_priv->ed); -+ urb_priv->ed->state |= ED_URB_DEL; -+ -+ if (!(urb->transfer_flags & USB_ASYNC_UNLINK)) { -+ DECLARE_WAIT_QUEUE_HEAD (unlink_wakeup); -+ DECLARE_WAITQUEUE (wait, current); -+ int timeout = OHCI_UNLINK_TIMEOUT; -+ -+ add_wait_queue (&unlink_wakeup, &wait); -+ urb_priv->wait = &unlink_wakeup; -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ -+ /* wait until all TDs are deleted */ -+ set_current_state(TASK_UNINTERRUPTIBLE); -+ while (timeout && (urb->status == USB_ST_URB_PENDING)) { -+ timeout = schedule_timeout (timeout); -+ set_current_state(TASK_UNINTERRUPTIBLE); -+ } -+ set_current_state(TASK_RUNNING); -+ remove_wait_queue (&unlink_wakeup, &wait); -+ if (urb->status == USB_ST_URB_PENDING) { -+ err ("unlink URB timeout"); -+ return -ETIMEDOUT; -+ } -+ -+ usb_dec_dev_use (urb->dev); -+ urb->dev = NULL; -+ if (urb->complete) -+ urb->complete (urb); -+ } else { -+ /* usb_dec_dev_use done in dl_del_list() */ -+ urb->status = -EINPROGRESS; -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ return -EINPROGRESS; -+ } -+ } else { -+ urb_rm_priv_locked (urb); -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ usb_dec_dev_use (urb->dev); -+ urb->dev = NULL; -+ if (urb->transfer_flags & USB_ASYNC_UNLINK) { -+ urb->status = -ECONNRESET; -+ if (urb->complete) -+ urb->complete (urb); -+ } else -+ urb->status = -ENOENT; -+ } -+ } else { -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ } -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* allocate private data space for a usb device */ -+ -+static int sohci_alloc_dev (struct usb_device *usb_dev) -+{ -+ struct ohci_device * dev; -+ -+ dev = dev_alloc ((struct ohci *) usb_dev->bus->hcpriv, ALLOC_FLAGS); -+ if (!dev) -+ return -ENOMEM; -+ -+ usb_dev->hcpriv = dev; -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* may be called from interrupt context */ -+/* frees private data space of usb device */ -+ -+static int sohci_free_dev (struct usb_device * usb_dev) -+{ -+ unsigned long flags; -+ int i, cnt = 0; -+ ed_t * ed; -+ struct ohci_device * dev = usb_to_ohci (usb_dev); -+ ohci_t * ohci = usb_dev->bus->hcpriv; -+ -+ if (!dev) -+ return 0; -+ -+ if (usb_dev->devnum >= 0) { -+ -+ /* driver disconnects should have unlinked all urbs -+ * (freeing all the TDs, unlinking EDs) but we need -+ * to defend against bugs that prevent that. -+ */ -+ spin_lock_irqsave(&ohci->ohci_lock, flags); -+ for(i = 0; i < NUM_EDS; i++) { -+ ed = &(dev->ed[i]); -+ if (ed->state != ED_NEW) { -+ if (ed->state == ED_OPER) { -+ /* driver on that interface didn't unlink an urb */ -+ dbg ("driver usb-%s dev %d ed 0x%x unfreed URB", -+ ohci->ohci_dev->slot_name, usb_dev->devnum, i); -+ ep_unlink (ohci, ed); -+ } -+ ep_rm_ed (usb_dev, ed); -+ ed->state = ED_DEL; -+ cnt++; -+ } -+ } -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ -+ /* if the controller is running, tds for those unlinked -+ * urbs get freed by dl_del_list at the next SF interrupt -+ */ -+ if (cnt > 0) { -+ -+ if (ohci->disabled) { -+ /* FIXME: Something like this should kick in, -+ * though it's currently an exotic case ... -+ * the controller won't ever be touching -+ * these lists again!! -+ dl_del_list (ohci, -+ le16_to_cpu (ohci->hcca->frame_no) & 1); -+ */ -+ warn ("TD leak, %d", cnt); -+ -+ } else if (!in_interrupt ()) { -+ DECLARE_WAIT_QUEUE_HEAD (freedev_wakeup); -+ DECLARE_WAITQUEUE (wait, current); -+ int timeout = OHCI_UNLINK_TIMEOUT; -+ -+ /* SF interrupt handler calls dl_del_list */ -+ add_wait_queue (&freedev_wakeup, &wait); -+ dev->wait = &freedev_wakeup; -+ set_current_state(TASK_UNINTERRUPTIBLE); -+ while (timeout && dev->ed_cnt) -+ timeout = schedule_timeout (timeout); -+ set_current_state(TASK_RUNNING); -+ remove_wait_queue (&freedev_wakeup, &wait); -+ if (dev->ed_cnt) { -+ err ("free device %d timeout", usb_dev->devnum); -+ return -ETIMEDOUT; -+ } -+ } else { -+ /* likely some interface's driver has a refcount bug */ -+ err ("bus %s devnum %d deletion in interrupt", -+ ohci->ohci_dev->slot_name, usb_dev->devnum); -+ BUG (); -+ } -+ } -+ } -+ -+ /* free device, and associated EDs */ -+ dev_free (ohci, dev); -+ -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* tell us the current USB frame number */ -+ -+static int sohci_get_current_frame_number (struct usb_device *usb_dev) -+{ -+ ohci_t * ohci = usb_dev->bus->hcpriv; -+ -+ return le16_to_cpu (ohci->hcca->frame_no); -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+struct usb_operations sohci_device_operations = { -+ sohci_alloc_dev, -+ sohci_free_dev, -+ sohci_get_current_frame_number, -+ sohci_submit_urb, -+ sohci_unlink_urb -+}; -+ -+/*-------------------------------------------------------------------------* -+ * ED handling functions -+ *-------------------------------------------------------------------------*/ -+ -+/* search for the right branch to insert an interrupt ed into the int tree -+ * do some load ballancing; -+ * returns the branch and -+ * sets the interval to interval = 2^integer (ld (interval)) */ -+ -+static int ep_int_ballance (ohci_t * ohci, int interval, int load) -+{ -+ int i, branch = 0; -+ -+ /* search for the least loaded interrupt endpoint branch of all 32 branches */ -+ for (i = 0; i < 32; i++) -+ if (ohci->ohci_int_load [branch] > ohci->ohci_int_load [i]) branch = i; -+ -+ branch = branch % interval; -+ for (i = branch; i < 32; i += interval) ohci->ohci_int_load [i] += load; -+ -+ return branch; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* 2^int( ld (inter)) */ -+ -+static int ep_2_n_interval (int inter) -+{ -+ int i; -+ for (i = 0; ((inter >> i) > 1 ) && (i < 5); i++); -+ return 1 << i; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* the int tree is a binary tree -+ * in order to process it sequentially the indexes of the branches have to be mapped -+ * the mapping reverses the bits of a word of num_bits length */ -+ -+static int ep_rev (int num_bits, int word) -+{ -+ int i, wout = 0; -+ -+ for (i = 0; i < num_bits; i++) wout |= (((word >> i) & 1) << (num_bits - i - 1)); -+ return wout; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* link an ed into one of the HC chains */ -+ -+static int ep_link (ohci_t * ohci, ed_t * edi) -+{ -+ int int_branch; -+ int i; -+ int inter; -+ int interval; -+ int load; -+ __u32 * ed_p; -+ volatile ed_t * ed = edi; -+ -+ ed->state = ED_OPER; -+ -+ switch (ed->type) { -+ case PIPE_CONTROL: -+ ed->hwNextED = 0; -+ if (ohci->ed_controltail == NULL) { -+ writel (ed->dma, &ohci->regs->ed_controlhead); -+ } else { -+ ohci->ed_controltail->hwNextED = cpu_to_le32 (ed->dma); -+ } -+ ed->ed_prev = ohci->ed_controltail; -+ if (!ohci->ed_controltail && !ohci->ed_rm_list[0] && -+ !ohci->ed_rm_list[1] && !ohci->sleeping) { -+ ohci->hc_control |= OHCI_CTRL_CLE; -+ writel (ohci->hc_control, &ohci->regs->control); -+ } -+ ohci->ed_controltail = edi; -+ break; -+ -+ case PIPE_BULK: -+ ed->hwNextED = 0; -+ if (ohci->ed_bulktail == NULL) { -+ writel (ed->dma, &ohci->regs->ed_bulkhead); -+ } else { -+ ohci->ed_bulktail->hwNextED = cpu_to_le32 (ed->dma); -+ } -+ ed->ed_prev = ohci->ed_bulktail; -+ if (!ohci->ed_bulktail && !ohci->ed_rm_list[0] && -+ !ohci->ed_rm_list[1] && !ohci->sleeping) { -+ ohci->hc_control |= OHCI_CTRL_BLE; -+ writel (ohci->hc_control, &ohci->regs->control); -+ } -+ ohci->ed_bulktail = edi; -+ break; -+ -+ case PIPE_INTERRUPT: -+ load = ed->int_load; -+ interval = ep_2_n_interval (ed->int_period); -+ ed->int_interval = interval; -+ int_branch = ep_int_ballance (ohci, interval, load); -+ ed->int_branch = int_branch; -+ -+ for (i = 0; i < ep_rev (6, interval); i += inter) { -+ inter = 1; -+ for (ed_p = &(ohci->hcca->int_table[ep_rev (5, i) + int_branch]); -+ (*ed_p != 0) && ((dma_to_ed (ohci, le32_to_cpup (ed_p)))->int_interval >= interval); -+ ed_p = &((dma_to_ed (ohci, le32_to_cpup (ed_p)))->hwNextED)) -+ inter = ep_rev (6, (dma_to_ed (ohci, le32_to_cpup (ed_p)))->int_interval); -+ ed->hwNextED = *ed_p; -+ *ed_p = cpu_to_le32 (ed->dma); -+ } -+#ifdef DEBUG -+ ep_print_int_eds (ohci, "LINK_INT"); -+#endif -+ break; -+ -+ case PIPE_ISOCHRONOUS: -+ ed->hwNextED = 0; -+ ed->int_interval = 1; -+ if (ohci->ed_isotail != NULL) { -+ ohci->ed_isotail->hwNextED = cpu_to_le32 (ed->dma); -+ ed->ed_prev = ohci->ed_isotail; -+ } else { -+ for ( i = 0; i < 32; i += inter) { -+ inter = 1; -+ for (ed_p = &(ohci->hcca->int_table[ep_rev (5, i)]); -+ *ed_p != 0; -+ ed_p = &((dma_to_ed (ohci, le32_to_cpup (ed_p)))->hwNextED)) -+ inter = ep_rev (6, (dma_to_ed (ohci, le32_to_cpup (ed_p)))->int_interval); -+ *ed_p = cpu_to_le32 (ed->dma); -+ } -+ ed->ed_prev = NULL; -+ } -+ ohci->ed_isotail = edi; -+#ifdef DEBUG -+ ep_print_int_eds (ohci, "LINK_ISO"); -+#endif -+ break; -+ } -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* scan the periodic table to find and unlink this ED */ -+static void periodic_unlink ( -+ struct ohci *ohci, -+ struct ed *ed, -+ unsigned index, -+ unsigned period -+) { -+ for (; index < NUM_INTS; index += period) { -+ __u32 *ed_p = &ohci->hcca->int_table [index]; -+ -+ /* ED might have been unlinked through another path */ -+ while (*ed_p != 0) { -+ if ((dma_to_ed (ohci, le32_to_cpup (ed_p))) == ed) { -+ *ed_p = ed->hwNextED; -+ break; -+ } -+ ed_p = & ((dma_to_ed (ohci, -+ le32_to_cpup (ed_p)))->hwNextED); -+ } -+ } -+} -+ -+/* unlink an ed from one of the HC chains. -+ * just the link to the ed is unlinked. -+ * the link from the ed still points to another operational ed or 0 -+ * so the HC can eventually finish the processing of the unlinked ed */ -+ -+static int ep_unlink (ohci_t * ohci, ed_t * ed) -+{ -+ int i; -+ -+ ed->hwINFO |= cpu_to_le32 (OHCI_ED_SKIP); -+ -+ switch (ed->type) { -+ case PIPE_CONTROL: -+ if (ed->ed_prev == NULL) { -+ if (!ed->hwNextED) { -+ ohci->hc_control &= ~OHCI_CTRL_CLE; -+ writel (ohci->hc_control, &ohci->regs->control); -+ } -+ writel (le32_to_cpup (&ed->hwNextED), &ohci->regs->ed_controlhead); -+ } else { -+ ed->ed_prev->hwNextED = ed->hwNextED; -+ } -+ if (ohci->ed_controltail == ed) { -+ ohci->ed_controltail = ed->ed_prev; -+ } else { -+ (dma_to_ed (ohci, le32_to_cpup (&ed->hwNextED)))->ed_prev = ed->ed_prev; -+ } -+ break; -+ -+ case PIPE_BULK: -+ if (ed->ed_prev == NULL) { -+ if (!ed->hwNextED) { -+ ohci->hc_control &= ~OHCI_CTRL_BLE; -+ writel (ohci->hc_control, &ohci->regs->control); -+ } -+ writel (le32_to_cpup (&ed->hwNextED), &ohci->regs->ed_bulkhead); -+ } else { -+ ed->ed_prev->hwNextED = ed->hwNextED; -+ } -+ if (ohci->ed_bulktail == ed) { -+ ohci->ed_bulktail = ed->ed_prev; -+ } else { -+ (dma_to_ed (ohci, le32_to_cpup (&ed->hwNextED)))->ed_prev = ed->ed_prev; -+ } -+ break; -+ -+ case PIPE_INTERRUPT: -+ periodic_unlink (ohci, ed, 0, 1); -+ for (i = ed->int_branch; i < 32; i += ed->int_interval) -+ ohci->ohci_int_load[i] -= ed->int_load; -+#ifdef DEBUG -+ ep_print_int_eds (ohci, "UNLINK_INT"); -+#endif -+ break; -+ -+ case PIPE_ISOCHRONOUS: -+ if (ohci->ed_isotail == ed) -+ ohci->ed_isotail = ed->ed_prev; -+ if (ed->hwNextED != 0) -+ (dma_to_ed (ohci, le32_to_cpup (&ed->hwNextED))) -+ ->ed_prev = ed->ed_prev; -+ -+ if (ed->ed_prev != NULL) -+ ed->ed_prev->hwNextED = ed->hwNextED; -+ else -+ periodic_unlink (ohci, ed, 0, 1); -+#ifdef DEBUG -+ ep_print_int_eds (ohci, "UNLINK_ISO"); -+#endif -+ break; -+ } -+ ed->state = ED_UNLINK; -+ return 0; -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* add/reinit an endpoint; this should be done once at the usb_set_configuration command, -+ * but the USB stack is a little bit stateless so we do it at every transaction -+ * if the state of the ed is ED_NEW then a dummy td is added and the state is changed to ED_UNLINK -+ * in all other cases the state is left unchanged -+ * the ed info fields are setted anyway even though most of them should not change */ -+ -+static ed_t * ep_add_ed ( -+ struct usb_device * usb_dev, -+ unsigned int pipe, -+ int interval, -+ int load, -+ int mem_flags -+) -+{ -+ ohci_t * ohci = usb_dev->bus->hcpriv; -+ td_t * td; -+ ed_t * ed_ret; -+ volatile ed_t * ed; -+ -+ ed = ed_ret = &(usb_to_ohci (usb_dev)->ed[(usb_pipeendpoint (pipe) << 1) | -+ (usb_pipecontrol (pipe)? 0: usb_pipeout (pipe))]); -+ -+ if ((ed->state & ED_DEL) || (ed->state & ED_URB_DEL)) { -+ /* pending delete request */ -+ return NULL; -+ } -+ -+ if (ed->state == ED_NEW) { -+ ed->hwINFO = cpu_to_le32 (OHCI_ED_SKIP); /* skip ed */ -+ /* dummy td; end of td list for ed */ -+ td = td_alloc (ohci, SLAB_ATOMIC); -+ /* hash the ed for later reverse mapping */ -+ if (!td || !hash_add_ed (ohci, (ed_t *)ed)) { -+ /* out of memory */ -+ if (td) -+ td_free(ohci, td); -+ return NULL; -+ } -+ ed->hwTailP = cpu_to_le32 (td->td_dma); -+ ed->hwHeadP = ed->hwTailP; -+ ed->state = ED_UNLINK; -+ ed->type = usb_pipetype (pipe); -+ usb_to_ohci (usb_dev)->ed_cnt++; -+ } -+ -+ ohci->dev[usb_pipedevice (pipe)] = usb_dev; -+ -+ ed->hwINFO = cpu_to_le32 (usb_pipedevice (pipe) -+ | usb_pipeendpoint (pipe) << 7 -+ | (usb_pipeisoc (pipe)? 0x8000: 0) -+ | (usb_pipecontrol (pipe)? 0: (usb_pipeout (pipe)? 0x800: 0x1000)) -+ | usb_pipeslow (pipe) << 13 -+ | usb_maxpacket (usb_dev, pipe, usb_pipeout (pipe)) << 16); -+ -+ if (ed->type == PIPE_INTERRUPT && ed->state == ED_UNLINK) { -+ ed->int_period = interval; -+ ed->int_load = load; -+ } -+ -+ return ed_ret; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* request the removal of an endpoint -+ * put the ep on the rm_list and request a stop of the bulk or ctrl list -+ * real removal is done at the next start frame (SF) hardware interrupt */ -+ -+static void ep_rm_ed (struct usb_device * usb_dev, ed_t * ed) -+{ -+ unsigned int frame; -+ ohci_t * ohci = usb_dev->bus->hcpriv; -+ -+ if ((ed->state & ED_DEL) || (ed->state & ED_URB_DEL)) -+ return; -+ -+ ed->hwINFO |= cpu_to_le32 (OHCI_ED_SKIP); -+ -+ if (!ohci->disabled) { -+ switch (ed->type) { -+ case PIPE_CONTROL: /* stop control list */ -+ ohci->hc_control &= ~OHCI_CTRL_CLE; -+ writel (ohci->hc_control, &ohci->regs->control); -+ break; -+ case PIPE_BULK: /* stop bulk list */ -+ ohci->hc_control &= ~OHCI_CTRL_BLE; -+ writel (ohci->hc_control, &ohci->regs->control); -+ break; -+ } -+ } -+ -+ frame = le16_to_cpu (ohci->hcca->frame_no) & 0x1; -+ ed->ed_rm_list = ohci->ed_rm_list[frame]; -+ ohci->ed_rm_list[frame] = ed; -+ -+ if (!ohci->disabled && !ohci->sleeping) { -+ /* enable SOF interrupt */ -+ writel (OHCI_INTR_SF, &ohci->regs->intrstatus); -+ writel (OHCI_INTR_SF, &ohci->regs->intrenable); -+ (void)readl (&ohci->regs->intrdisable); /* PCI posting flush */ -+ } -+} -+ -+/*-------------------------------------------------------------------------* -+ * TD handling functions -+ *-------------------------------------------------------------------------*/ -+ -+/* enqueue next TD for this URB (OHCI spec 5.2.8.2) */ -+ -+static void -+td_fill (ohci_t * ohci, unsigned int info, -+ dma_addr_t data, int len, -+ struct urb * urb, int index) -+{ -+ volatile td_t * td, * td_pt; -+ urb_priv_t * urb_priv = urb->hcpriv; -+ -+ if (index >= urb_priv->length) { -+ err("internal OHCI error: TD index > length"); -+ return; -+ } -+ -+ /* use this td as the next dummy */ -+ td_pt = urb_priv->td [index]; -+ td_pt->hwNextTD = 0; -+ -+ /* fill the old dummy TD */ -+ td = urb_priv->td [index] = dma_to_td (ohci, -+ le32_to_cpup (&urb_priv->ed->hwTailP) & ~0xf); -+ -+ td->ed = urb_priv->ed; -+ td->next_dl_td = NULL; -+ td->index = index; -+ td->urb = urb; -+ td->data_dma = data; -+ if (!len) -+ data = 0; -+ -+ td->hwINFO = cpu_to_le32 (info); -+ if ((td->ed->type) == PIPE_ISOCHRONOUS) { -+ td->hwCBP = cpu_to_le32 (data & 0xFFFFF000); -+ td->ed->last_iso = info & 0xffff; -+ } else { -+ td->hwCBP = cpu_to_le32 (data); -+ } -+ if (data) -+ td->hwBE = cpu_to_le32 (data + len - 1); -+ else -+ td->hwBE = 0; -+ td->hwNextTD = cpu_to_le32 (td_pt->td_dma); -+ td->hwPSW [0] = cpu_to_le16 ((data & 0x0FFF) | 0xE000); -+ -+ /* append to queue */ -+ wmb(); -+ td->ed->hwTailP = td->hwNextTD; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* prepare all TDs of a transfer */ -+ -+static void td_submit_urb (struct urb * urb) -+{ -+ urb_priv_t * urb_priv = urb->hcpriv; -+ ohci_t * ohci = (ohci_t *) urb->dev->bus->hcpriv; -+ dma_addr_t data; -+ int data_len = urb->transfer_buffer_length; -+ int maxps = usb_maxpacket (urb->dev, urb->pipe, usb_pipeout (urb->pipe)); -+ int cnt = 0; -+ __u32 info = 0; -+ unsigned int toggle = 0; -+ -+ /* OHCI handles the DATA-toggles itself, we just use the USB-toggle bits for reseting */ -+ if(usb_gettoggle(urb->dev, usb_pipeendpoint(urb->pipe), usb_pipeout(urb->pipe))) { -+ toggle = TD_T_TOGGLE; -+ } else { -+ toggle = TD_T_DATA0; -+ usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), usb_pipeout(urb->pipe), 1); -+ } -+ -+ urb_priv->td_cnt = 0; -+ -+ if (data_len) { -+ data = pci_map_single (ohci->ohci_dev, -+ urb->transfer_buffer, data_len, -+ usb_pipeout (urb->pipe) -+ ? PCI_DMA_TODEVICE -+ : PCI_DMA_FROMDEVICE -+ ); -+ } else -+ data = 0; -+ -+ switch (usb_pipetype (urb->pipe)) { -+ case PIPE_BULK: -+ info = usb_pipeout (urb->pipe)? -+ TD_CC | TD_DP_OUT : TD_CC | TD_DP_IN ; -+ while(data_len > 4096) { -+ td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, 4096, urb, cnt); -+ data += 4096; data_len -= 4096; cnt++; -+ } -+ info = usb_pipeout (urb->pipe)? -+ TD_CC | TD_DP_OUT : TD_CC | TD_R | TD_DP_IN ; -+ td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, data_len, urb, cnt); -+ cnt++; -+ -+ /* If the transfer size is multiple of the pipe mtu, -+ * we may need an extra TD to create a empty frame -+ * Note : another way to check this condition is -+ * to test if(urb_priv->length > cnt) - Jean II */ -+ if ((urb->transfer_flags & USB_ZERO_PACKET) && -+ usb_pipeout (urb->pipe) && -+ (urb->transfer_buffer_length != 0) && -+ ((urb->transfer_buffer_length % maxps) == 0)) { -+ td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), 0, 0, urb, cnt); -+ cnt++; -+ } -+ -+ if (!ohci->sleeping) { -+ wmb(); -+ writel (OHCI_BLF, &ohci->regs->cmdstatus); /* start bulk list */ -+ (void)readl (&ohci->regs->intrdisable); /* PCI posting flush */ -+ } -+ break; -+ -+ case PIPE_INTERRUPT: -+ info = usb_pipeout (urb->pipe)? -+ TD_CC | TD_DP_OUT | toggle: TD_CC | TD_R | TD_DP_IN | toggle; -+ td_fill (ohci, info, data, data_len, urb, cnt++); -+ break; -+ -+ case PIPE_CONTROL: -+ info = TD_CC | TD_DP_SETUP | TD_T_DATA0; -+ td_fill (ohci, info, -+ pci_map_single (ohci->ohci_dev, -+ urb->setup_packet, 8, -+ PCI_DMA_TODEVICE), -+ 8, urb, cnt++); -+ if (data_len > 0) { -+ info = usb_pipeout (urb->pipe)? -+ TD_CC | TD_R | TD_DP_OUT | TD_T_DATA1 : TD_CC | TD_R | TD_DP_IN | TD_T_DATA1; -+ /* NOTE: mishandles transfers >8K, some >4K */ -+ td_fill (ohci, info, data, data_len, urb, cnt++); -+ } -+ info = usb_pipeout (urb->pipe)? -+ TD_CC | TD_DP_IN | TD_T_DATA1: TD_CC | TD_DP_OUT | TD_T_DATA1; -+ td_fill (ohci, info, data, 0, urb, cnt++); -+ if (!ohci->sleeping) { -+ wmb(); -+ writel (OHCI_CLF, &ohci->regs->cmdstatus); /* start Control list */ -+ (void)readl (&ohci->regs->intrdisable); /* PCI posting flush */ -+ } -+ break; -+ -+ case PIPE_ISOCHRONOUS: -+ for (cnt = 0; cnt < urb->number_of_packets; cnt++) { -+ td_fill (ohci, TD_CC|TD_ISO | ((urb->start_frame + cnt) & 0xffff), -+ data + urb->iso_frame_desc[cnt].offset, -+ urb->iso_frame_desc[cnt].length, urb, cnt); -+ } -+ break; -+ } -+ if (urb_priv->length != cnt) -+ dbg("TD LENGTH %d != CNT %d", urb_priv->length, cnt); -+} -+ -+/*-------------------------------------------------------------------------* -+ * Done List handling functions -+ *-------------------------------------------------------------------------*/ -+ -+ -+/* calculate the transfer length and update the urb */ -+ -+static void dl_transfer_length(td_t * td) -+{ -+ __u32 tdINFO, tdBE, tdCBP; -+ __u16 tdPSW; -+ struct urb * urb = td->urb; -+ urb_priv_t * urb_priv = urb->hcpriv; -+ int dlen = 0; -+ int cc = 0; -+ -+ tdINFO = le32_to_cpup (&td->hwINFO); -+ tdBE = le32_to_cpup (&td->hwBE); -+ tdCBP = le32_to_cpup (&td->hwCBP); -+ -+ -+ if (tdINFO & TD_ISO) { -+ tdPSW = le16_to_cpu (td->hwPSW[0]); -+ cc = (tdPSW >> 12) & 0xF; -+ if (cc < 0xE) { -+ if (usb_pipeout(urb->pipe)) { -+ dlen = urb->iso_frame_desc[td->index].length; -+ } else { -+ dlen = tdPSW & 0x3ff; -+ } -+ urb->actual_length += dlen; -+ urb->iso_frame_desc[td->index].actual_length = dlen; -+ if (!(urb->transfer_flags & USB_DISABLE_SPD) && (cc == TD_DATAUNDERRUN)) -+ cc = TD_CC_NOERROR; -+ -+ urb->iso_frame_desc[td->index].status = cc_to_error[cc]; -+ } -+ } else { /* BULK, INT, CONTROL DATA */ -+ if (!(usb_pipetype (urb->pipe) == PIPE_CONTROL && -+ ((td->index == 0) || (td->index == urb_priv->length - 1)))) { -+ if (tdBE != 0) { -+ if (td->hwCBP == 0) -+ urb->actual_length += tdBE - td->data_dma + 1; -+ else -+ urb->actual_length += tdCBP - td->data_dma; -+ } -+ } -+ } -+} -+ -+/* handle an urb that is being unlinked */ -+ -+static void dl_del_urb (ohci_t *ohci, struct urb * urb) -+{ -+ wait_queue_head_t * wait_head = ((urb_priv_t *)(urb->hcpriv))->wait; -+ -+ urb_rm_priv_locked (urb); -+ -+ if (urb->transfer_flags & USB_ASYNC_UNLINK) { -+ urb->status = -ECONNRESET; -+ ohci_complete_add(ohci, urb); -+ } else { -+ urb->status = -ENOENT; -+ -+ /* unblock sohci_unlink_urb */ -+ if (wait_head) -+ wake_up (wait_head); -+ } -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* replies to the request have to be on a FIFO basis so -+ * we reverse the reversed done-list */ -+ -+static td_t * dl_reverse_done_list (ohci_t * ohci) -+{ -+ __u32 td_list_hc; -+ td_t * td_rev = NULL; -+ td_t * td_list = NULL; -+ urb_priv_t * urb_priv = NULL; -+ -+ td_list_hc = le32_to_cpup (&ohci->hcca->done_head) & 0xfffffff0; -+ ohci->hcca->done_head = 0; -+ -+ while (td_list_hc) { -+ td_list = dma_to_td (ohci, td_list_hc); -+ -+ if (TD_CC_GET (le32_to_cpup (&td_list->hwINFO))) { -+ urb_priv = (urb_priv_t *) td_list->urb->hcpriv; -+ dbg(" USB-error/status: %x : %p", -+ TD_CC_GET (le32_to_cpup (&td_list->hwINFO)), td_list); -+ if (td_list->ed->hwHeadP & cpu_to_le32 (0x1)) { -+ if (urb_priv && ((td_list->index + 1) < urb_priv->length)) { -+ td_list->ed->hwHeadP = -+ (urb_priv->td[urb_priv->length - 1]->hwNextTD & cpu_to_le32 (0xfffffff0)) | -+ (td_list->ed->hwHeadP & cpu_to_le32 (0x2)); -+ urb_priv->td_cnt += urb_priv->length - td_list->index - 1; -+ } else -+ td_list->ed->hwHeadP &= cpu_to_le32 (0xfffffff2); -+ } -+ } -+ -+ td_list->next_dl_td = td_rev; -+ td_rev = td_list; -+ td_list_hc = le32_to_cpup (&td_list->hwNextTD) & 0xfffffff0; -+ } -+ return td_list; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* there are some pending requests to remove -+ * - some of the eds (if ed->state & ED_DEL (set by sohci_free_dev) -+ * - some URBs/TDs if urb_priv->state == URB_DEL */ -+ -+static void dl_del_list (ohci_t * ohci, unsigned int frame) -+{ -+ ed_t * ed; -+ __u32 edINFO; -+ __u32 tdINFO; -+ td_t * td = NULL, * td_next = NULL, * tdHeadP = NULL, * tdTailP; -+ __u32 * td_p; -+ int ctrl = 0, bulk = 0; -+ -+ for (ed = ohci->ed_rm_list[frame]; ed != NULL; ed = ed->ed_rm_list) { -+ -+ tdTailP = dma_to_td (ohci, le32_to_cpup (&ed->hwTailP) & 0xfffffff0); -+ tdHeadP = dma_to_td (ohci, le32_to_cpup (&ed->hwHeadP) & 0xfffffff0); -+ edINFO = le32_to_cpup (&ed->hwINFO); -+ td_p = &ed->hwHeadP; -+ -+ for (td = tdHeadP; td != tdTailP; td = td_next) { -+ struct urb * urb = td->urb; -+ urb_priv_t * urb_priv = td->urb->hcpriv; -+ -+ td_next = dma_to_td (ohci, le32_to_cpup (&td->hwNextTD) & 0xfffffff0); -+ if ((urb_priv->state == URB_DEL) || (ed->state & ED_DEL)) { -+ tdINFO = le32_to_cpup (&td->hwINFO); -+ if (TD_CC_GET (tdINFO) < 0xE) -+ dl_transfer_length (td); -+ *td_p = td->hwNextTD | (*td_p & cpu_to_le32 (0x3)); -+ -+ /* URB is done; clean up */ -+ if (++(urb_priv->td_cnt) == urb_priv->length) -+ dl_del_urb (ohci, urb); -+ } else { -+ td_p = &td->hwNextTD; -+ } -+ } -+ -+ if (ed->state & ED_DEL) { /* set by sohci_free_dev */ -+ struct ohci_device * dev = usb_to_ohci (ohci->dev[edINFO & 0x7F]); -+ td_free (ohci, tdTailP); /* free dummy td */ -+ ed->hwINFO = cpu_to_le32 (OHCI_ED_SKIP); -+ ed->state = ED_NEW; -+ hash_free_ed(ohci, ed); -+ /* if all eds are removed wake up sohci_free_dev */ -+ if (!--dev->ed_cnt) { -+ wait_queue_head_t *wait_head = dev->wait; -+ -+ dev->wait = 0; -+ if (wait_head) -+ wake_up (wait_head); -+ } -+ } else { -+ ed->state &= ~ED_URB_DEL; -+ tdHeadP = dma_to_td (ohci, le32_to_cpup (&ed->hwHeadP) & 0xfffffff0); -+ -+ if (tdHeadP == tdTailP) { -+ if (ed->state == ED_OPER) -+ ep_unlink(ohci, ed); -+ } else -+ ed->hwINFO &= ~cpu_to_le32 (OHCI_ED_SKIP); -+ } -+ -+ switch (ed->type) { -+ case PIPE_CONTROL: -+ ctrl = 1; -+ break; -+ case PIPE_BULK: -+ bulk = 1; -+ break; -+ } -+ } -+ -+ /* maybe reenable control and bulk lists */ -+ if (!ohci->disabled) { -+ if (ctrl) /* reset control list */ -+ writel (0, &ohci->regs->ed_controlcurrent); -+ if (bulk) /* reset bulk list */ -+ writel (0, &ohci->regs->ed_bulkcurrent); -+ if (!ohci->ed_rm_list[!frame] && !ohci->sleeping) { -+ if (ohci->ed_controltail) -+ ohci->hc_control |= OHCI_CTRL_CLE; -+ if (ohci->ed_bulktail) -+ ohci->hc_control |= OHCI_CTRL_BLE; -+ writel (ohci->hc_control, &ohci->regs->control); -+ } -+ } -+ -+ ohci->ed_rm_list[frame] = NULL; -+} -+ -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* td done list */ -+ -+static void dl_done_list (ohci_t * ohci, td_t * td_list) -+{ -+ td_t * td_list_next = NULL; -+ ed_t * ed; -+ int cc = 0; -+ struct urb * urb; -+ urb_priv_t * urb_priv; -+ __u32 tdINFO, edHeadP, edTailP; -+ -+ while (td_list) { -+ td_list_next = td_list->next_dl_td; -+ -+ urb = td_list->urb; -+ urb_priv = urb->hcpriv; -+ tdINFO = le32_to_cpup (&td_list->hwINFO); -+ -+ ed = td_list->ed; -+ -+ dl_transfer_length(td_list); -+ -+ /* error code of transfer */ -+ cc = TD_CC_GET (tdINFO); -+ if (cc == TD_CC_STALL) -+ usb_endpoint_halt(urb->dev, -+ usb_pipeendpoint(urb->pipe), -+ usb_pipeout(urb->pipe)); -+ -+ if (!(urb->transfer_flags & USB_DISABLE_SPD) -+ && (cc == TD_DATAUNDERRUN)) -+ cc = TD_CC_NOERROR; -+ -+ if (++(urb_priv->td_cnt) == urb_priv->length) { -+ if ((ed->state & (ED_OPER | ED_UNLINK)) -+ && (urb_priv->state != URB_DEL)) { -+ urb->status = cc_to_error[cc]; -+ sohci_return_urb (ohci, urb); -+ } else { -+ dl_del_urb (ohci, urb); -+ } -+ } -+ -+ if (ed->state != ED_NEW) { -+ edHeadP = le32_to_cpup (&ed->hwHeadP) & 0xfffffff0; -+ edTailP = le32_to_cpup (&ed->hwTailP); -+ -+ /* unlink eds if they are not busy */ -+ if ((edHeadP == edTailP) && (ed->state == ED_OPER)) -+ ep_unlink (ohci, ed); -+ } -+ -+ td_list = td_list_next; -+ } -+} -+ -+ -+ -+ -+/*-------------------------------------------------------------------------* -+ * Virtual Root Hub -+ *-------------------------------------------------------------------------*/ -+ -+/* Device descriptor */ -+static __u8 root_hub_dev_des[] = -+{ -+ 0x12, /* __u8 bLength; */ -+ 0x01, /* __u8 bDescriptorType; Device */ -+ 0x10, /* __u16 bcdUSB; v1.1 */ -+ 0x01, -+ 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ -+ 0x00, /* __u8 bDeviceSubClass; */ -+ 0x00, /* __u8 bDeviceProtocol; */ -+ 0x08, /* __u8 bMaxPacketSize0; 8 Bytes */ -+ 0x00, /* __u16 idVendor; */ -+ 0x00, -+ 0x00, /* __u16 idProduct; */ -+ 0x00, -+ 0x00, /* __u16 bcdDevice; */ -+ 0x00, -+ 0x00, /* __u8 iManufacturer; */ -+ 0x02, /* __u8 iProduct; */ -+ 0x01, /* __u8 iSerialNumber; */ -+ 0x01 /* __u8 bNumConfigurations; */ -+}; -+ -+ -+/* Configuration descriptor */ -+static __u8 root_hub_config_des[] = -+{ -+ 0x09, /* __u8 bLength; */ -+ 0x02, /* __u8 bDescriptorType; Configuration */ -+ 0x19, /* __u16 wTotalLength; */ -+ 0x00, -+ 0x01, /* __u8 bNumInterfaces; */ -+ 0x01, /* __u8 bConfigurationValue; */ -+ 0x00, /* __u8 iConfiguration; */ -+ 0x40, /* __u8 bmAttributes; -+ Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 4..0: resvd */ -+ 0x00, /* __u8 MaxPower; */ -+ -+ /* interface */ -+ 0x09, /* __u8 if_bLength; */ -+ 0x04, /* __u8 if_bDescriptorType; Interface */ -+ 0x00, /* __u8 if_bInterfaceNumber; */ -+ 0x00, /* __u8 if_bAlternateSetting; */ -+ 0x01, /* __u8 if_bNumEndpoints; */ -+ 0x09, /* __u8 if_bInterfaceClass; HUB_CLASSCODE */ -+ 0x00, /* __u8 if_bInterfaceSubClass; */ -+ 0x00, /* __u8 if_bInterfaceProtocol; */ -+ 0x00, /* __u8 if_iInterface; */ -+ -+ /* endpoint */ -+ 0x07, /* __u8 ep_bLength; */ -+ 0x05, /* __u8 ep_bDescriptorType; Endpoint */ -+ 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ -+ 0x03, /* __u8 ep_bmAttributes; Interrupt */ -+ 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */ -+ 0x00, -+ 0xff /* __u8 ep_bInterval; 255 ms */ -+}; -+ -+/* Hub class-specific descriptor is constructed dynamically */ -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* prepare Interrupt pipe data; HUB INTERRUPT ENDPOINT */ -+ -+static int rh_send_irq (ohci_t * ohci, void * rh_data, int rh_len) -+{ -+ int num_ports; -+ int i; -+ int ret; -+ int len; -+ -+ __u8 data[8]; -+ -+ num_ports = roothub_a (ohci) & RH_A_NDP; -+ if (num_ports > MAX_ROOT_PORTS) { -+ err ("bogus NDP=%d for OHCI usb-%s", num_ports, -+ ohci->ohci_dev->slot_name); -+ err ("rereads as NDP=%d", -+ readl (&ohci->regs->roothub.a) & RH_A_NDP); -+ /* retry later; "should not happen" */ -+ return 0; -+ } -+ *(__u8 *) data = (roothub_status (ohci) & (RH_HS_LPSC | RH_HS_OCIC)) -+ ? 1: 0; -+ ret = *(__u8 *) data; -+ -+ for ( i = 0; i < num_ports; i++) { -+ *(__u8 *) (data + (i + 1) / 8) |= -+ ((roothub_portstatus (ohci, i) & -+ (RH_PS_CSC | RH_PS_PESC | RH_PS_PSSC | RH_PS_OCIC | RH_PS_PRSC)) -+ ? 1: 0) << ((i + 1) % 8); -+ ret += *(__u8 *) (data + (i + 1) / 8); -+ } -+ len = i/8 + 1; -+ -+ if (ret > 0) { -+ memcpy(rh_data, data, -+ min_t(unsigned int, len, -+ min_t(unsigned int, rh_len, sizeof(data)))); -+ return len; -+ } -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* Virtual Root Hub INTs are polled by this timer every "interval" ms */ -+ -+static void rh_int_timer_do (unsigned long ptr) -+{ -+ int len; -+ -+ struct urb * urb = (struct urb *) ptr; -+ ohci_t * ohci = urb->dev->bus->hcpriv; -+ -+ if (ohci->disabled) -+ return; -+ -+ /* ignore timers firing during PM suspend, etc */ -+ if ((ohci->hc_control & OHCI_CTRL_HCFS) != OHCI_USB_OPER) -+ goto out; -+ -+ if(ohci->rh.send) { -+ len = rh_send_irq (ohci, urb->transfer_buffer, urb->transfer_buffer_length); -+ if (len > 0) { -+ urb->actual_length = len; -+#ifdef DEBUG -+ urb_print (urb, "RET-t(rh)", usb_pipeout (urb->pipe)); -+#endif -+ if (urb->complete) -+ urb->complete (urb); -+ } -+ } -+ out: -+ rh_init_int_timer (urb); -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* Root Hub INTs are polled by this timer */ -+ -+static int rh_init_int_timer (struct urb * urb) -+{ -+ ohci_t * ohci = urb->dev->bus->hcpriv; -+ -+ ohci->rh.interval = urb->interval; -+ init_timer (&ohci->rh.rh_int_timer); -+ ohci->rh.rh_int_timer.function = rh_int_timer_do; -+ ohci->rh.rh_int_timer.data = (unsigned long) urb; -+ ohci->rh.rh_int_timer.expires = -+ jiffies + (HZ * (urb->interval < 30? 30: urb->interval)) / 1000; -+ add_timer (&ohci->rh.rh_int_timer); -+ -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+#define OK(x) len = (x); break -+#define WR_RH_STAT(x) writel((x), &ohci->regs->roothub.status) -+#define WR_RH_PORTSTAT(x) writel((x), &ohci->regs->roothub.portstatus[wIndex-1]) -+#define RD_RH_STAT roothub_status(ohci) -+#define RD_RH_PORTSTAT roothub_portstatus(ohci,wIndex-1) -+ -+/* request to virtual root hub */ -+ -+static int rh_submit_urb (struct urb * urb) -+{ -+ struct usb_device * usb_dev = urb->dev; -+ ohci_t * ohci = usb_dev->bus->hcpriv; -+ unsigned int pipe = urb->pipe; -+ struct usb_ctrlrequest * cmd = (struct usb_ctrlrequest *) urb->setup_packet; -+ void * data = urb->transfer_buffer; -+ int leni = urb->transfer_buffer_length; -+ int len = 0; -+ int status = TD_CC_NOERROR; -+ unsigned long flags; -+ -+ __u32 datab[4]; -+ __u8 * data_buf = (__u8 *) datab; -+ -+ __u16 bmRType_bReq; -+ __u16 wValue; -+ __u16 wIndex; -+ __u16 wLength; -+ -+ spin_lock_irqsave(&ohci->ohci_lock, flags); -+ -+ if (usb_pipeint(pipe)) { -+ ohci->rh.urb = urb; -+ ohci->rh.send = 1; -+ ohci->rh.interval = urb->interval; -+ rh_init_int_timer(urb); -+ urb->status = cc_to_error [TD_CC_NOERROR]; -+ -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ return 0; -+ } -+ -+ bmRType_bReq = cmd->bRequestType | (cmd->bRequest << 8); -+ wValue = le16_to_cpu (cmd->wValue); -+ wIndex = le16_to_cpu (cmd->wIndex); -+ wLength = le16_to_cpu (cmd->wLength); -+ -+ switch (bmRType_bReq) { -+ /* Request Destination: -+ without flags: Device, -+ RH_INTERFACE: interface, -+ RH_ENDPOINT: endpoint, -+ RH_CLASS means HUB here, -+ RH_OTHER | RH_CLASS almost ever means HUB_PORT here -+ */ -+ -+ case RH_GET_STATUS: -+ *(__u16 *) data_buf = cpu_to_le16 (1); OK (2); -+ case RH_GET_STATUS | RH_INTERFACE: -+ *(__u16 *) data_buf = cpu_to_le16 (0); OK (2); -+ case RH_GET_STATUS | RH_ENDPOINT: -+ *(__u16 *) data_buf = cpu_to_le16 (0); OK (2); -+ case RH_GET_STATUS | RH_CLASS: -+ *(__u32 *) data_buf = cpu_to_le32 ( -+ RD_RH_STAT & ~(RH_HS_CRWE | RH_HS_DRWE)); -+ OK (4); -+ case RH_GET_STATUS | RH_OTHER | RH_CLASS: -+ *(__u32 *) data_buf = cpu_to_le32 (RD_RH_PORTSTAT); OK (4); -+ -+ case RH_CLEAR_FEATURE | RH_ENDPOINT: -+ switch (wValue) { -+ case (RH_ENDPOINT_STALL): OK (0); -+ } -+ break; -+ -+ case RH_CLEAR_FEATURE | RH_CLASS: -+ switch (wValue) { -+ case RH_C_HUB_LOCAL_POWER: -+ OK(0); -+ case (RH_C_HUB_OVER_CURRENT): -+ WR_RH_STAT(RH_HS_OCIC); OK (0); -+ } -+ break; -+ -+ case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: -+ switch (wValue) { -+ case (RH_PORT_ENABLE): -+ WR_RH_PORTSTAT (RH_PS_CCS ); OK (0); -+ case (RH_PORT_SUSPEND): -+ WR_RH_PORTSTAT (RH_PS_POCI); OK (0); -+ case (RH_PORT_POWER): -+ WR_RH_PORTSTAT (RH_PS_LSDA); OK (0); -+ case (RH_C_PORT_CONNECTION): -+ WR_RH_PORTSTAT (RH_PS_CSC ); OK (0); -+ case (RH_C_PORT_ENABLE): -+ WR_RH_PORTSTAT (RH_PS_PESC); OK (0); -+ case (RH_C_PORT_SUSPEND): -+ WR_RH_PORTSTAT (RH_PS_PSSC); OK (0); -+ case (RH_C_PORT_OVER_CURRENT): -+ WR_RH_PORTSTAT (RH_PS_OCIC); OK (0); -+ case (RH_C_PORT_RESET): -+ WR_RH_PORTSTAT (RH_PS_PRSC); OK (0); -+ } -+ break; -+ -+ case RH_SET_FEATURE | RH_OTHER | RH_CLASS: -+ switch (wValue) { -+ case (RH_PORT_SUSPEND): -+ WR_RH_PORTSTAT (RH_PS_PSS ); OK (0); -+ case (RH_PORT_RESET): /* BUG IN HUP CODE *********/ -+ if (RD_RH_PORTSTAT & RH_PS_CCS) -+ WR_RH_PORTSTAT (RH_PS_PRS); -+ OK (0); -+ case (RH_PORT_POWER): -+ WR_RH_PORTSTAT (RH_PS_PPS ); OK (0); -+ case (RH_PORT_ENABLE): /* BUG IN HUP CODE *********/ -+ if (RD_RH_PORTSTAT & RH_PS_CCS) -+ WR_RH_PORTSTAT (RH_PS_PES ); -+ OK (0); -+ } -+ break; -+ -+ case RH_SET_ADDRESS: ohci->rh.devnum = wValue; OK(0); -+ -+ case RH_GET_DESCRIPTOR: -+ switch ((wValue & 0xff00) >> 8) { -+ case (0x01): /* device descriptor */ -+ len = min_t(unsigned int, -+ leni, -+ min_t(unsigned int, -+ sizeof (root_hub_dev_des), -+ wLength)); -+ data_buf = root_hub_dev_des; OK(len); -+ case (0x02): /* configuration descriptor */ -+ len = min_t(unsigned int, -+ leni, -+ min_t(unsigned int, -+ sizeof (root_hub_config_des), -+ wLength)); -+ data_buf = root_hub_config_des; OK(len); -+ case (0x03): /* string descriptors */ -+ len = usb_root_hub_string (wValue & 0xff, -+ (int)(long) ohci->regs, "OHCI", -+ data, wLength); -+ if (len > 0) { -+ data_buf = data; -+ OK(min_t(int, leni, len)); -+ } -+ // else fallthrough -+ default: -+ status = TD_CC_STALL; -+ } -+ break; -+ -+ case RH_GET_DESCRIPTOR | RH_CLASS: -+ { -+ __u32 temp = roothub_a (ohci); -+ -+ data_buf [0] = 9; // min length; -+ data_buf [1] = 0x29; -+ data_buf [2] = temp & RH_A_NDP; -+ data_buf [3] = 0; -+ if (temp & RH_A_PSM) /* per-port power switching? */ -+ data_buf [3] |= 0x1; -+ if (temp & RH_A_NOCP) /* no overcurrent reporting? */ -+ data_buf [3] |= 0x10; -+ else if (temp & RH_A_OCPM) /* per-port overcurrent reporting? */ -+ data_buf [3] |= 0x8; -+ -+ datab [1] = 0; -+ data_buf [5] = (temp & RH_A_POTPGT) >> 24; -+ temp = roothub_b (ohci); -+ data_buf [7] = temp & RH_B_DR; -+ if (data_buf [2] < 7) { -+ data_buf [8] = 0xff; -+ } else { -+ data_buf [0] += 2; -+ data_buf [8] = (temp & RH_B_DR) >> 8; -+ data_buf [10] = data_buf [9] = 0xff; -+ } -+ -+ len = min_t(unsigned int, leni, -+ min_t(unsigned int, data_buf [0], wLength)); -+ OK (len); -+ } -+ -+ case RH_GET_CONFIGURATION: *(__u8 *) data_buf = 0x01; OK (1); -+ -+ case RH_SET_CONFIGURATION: WR_RH_STAT (0x10000); OK (0); -+ -+ default: -+ dbg ("unsupported root hub command"); -+ status = TD_CC_STALL; -+ } -+ -+#ifdef DEBUG -+ // ohci_dump_roothub (ohci, 0); -+#endif -+ -+ len = min_t(int, len, leni); -+ if (data != data_buf) -+ memcpy (data, data_buf, len); -+ urb->actual_length = len; -+ urb->status = cc_to_error [status]; -+ -+#ifdef DEBUG -+ urb_print (urb, "RET(rh)", usb_pipeout (urb->pipe)); -+#endif -+ -+ urb->hcpriv = NULL; -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ usb_dec_dev_use (usb_dev); -+ urb->dev = NULL; -+ if (urb->complete) -+ urb->complete (urb); -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+static int rh_unlink_urb (struct urb * urb) -+{ -+ ohci_t * ohci = urb->dev->bus->hcpriv; -+ unsigned int flags; -+ -+ spin_lock_irqsave(&ohci->ohci_lock, flags); -+ if (ohci->rh.urb == urb) { -+ ohci->rh.send = 0; -+ del_timer (&ohci->rh.rh_int_timer); -+ ohci->rh.urb = NULL; -+ -+ urb->hcpriv = NULL; -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ usb_dec_dev_use(urb->dev); -+ urb->dev = NULL; -+ if (urb->transfer_flags & USB_ASYNC_UNLINK) { -+ urb->status = -ECONNRESET; -+ if (urb->complete) -+ urb->complete (urb); -+ } else -+ urb->status = -ENOENT; -+ } else { -+ spin_unlock_irqrestore(&ohci->ohci_lock, flags); -+ } -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------* -+ * HC functions -+ *-------------------------------------------------------------------------*/ -+ -+/* reset the HC and BUS */ -+ -+static int hc_reset (ohci_t * ohci) -+{ -+ int timeout = 30; -+ int smm_timeout = 50; /* 0,5 sec */ -+ -+#ifndef __hppa__ -+ /* PA-RISC doesn't have SMM, but PDC might leave IR set */ -+ if (readl (&ohci->regs->control) & OHCI_CTRL_IR) { /* SMM owns the HC */ -+ writel (OHCI_OCR, &ohci->regs->cmdstatus); /* request ownership */ -+ dbg("USB HC TakeOver from SMM"); -+ while (readl (&ohci->regs->control) & OHCI_CTRL_IR) { -+ wait_ms (10); -+ if (--smm_timeout == 0) { -+ err("USB HC TakeOver failed!"); -+ return -1; -+ } -+ } -+ } -+#endif -+ -+ /* Disable HC interrupts */ -+ writel (OHCI_INTR_MIE, &ohci->regs->intrdisable); -+ -+ dbg("USB HC reset_hc usb-%s: ctrl = 0x%x ;", -+ ohci->ohci_dev->slot_name, -+ readl (&ohci->regs->control)); -+ -+ /* Reset USB (needed by some controllers) */ -+ writel (0, &ohci->regs->control); -+ -+ /* Force a state change from USBRESET to USBOPERATIONAL for ALi */ -+ (void) readl (&ohci->regs->control); /* PCI posting */ -+ writel (ohci->hc_control = OHCI_USB_OPER, &ohci->regs->control); -+ -+ /* HC Reset requires max 10 ms delay */ -+ writel (OHCI_HCR, &ohci->regs->cmdstatus); -+ while ((readl (&ohci->regs->cmdstatus) & OHCI_HCR) != 0) { -+ if (--timeout == 0) { -+ err("USB HC reset timed out!"); -+ return -1; -+ } -+ udelay (1); -+ } -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* Start an OHCI controller, set the BUS operational -+ * enable interrupts -+ * connect the virtual root hub */ -+ -+static int hc_start (ohci_t * ohci) -+{ -+ __u32 mask; -+ unsigned int fminterval; -+ struct usb_device * usb_dev; -+ struct ohci_device * dev; -+ -+ ohci->disabled = 1; -+ -+ /* Tell the controller where the control and bulk lists are -+ * The lists are empty now. */ -+ -+ writel (0, &ohci->regs->ed_controlhead); -+ writel (0, &ohci->regs->ed_bulkhead); -+ -+ writel (ohci->hcca_dma, &ohci->regs->hcca); /* a reset clears this */ -+ -+ fminterval = 0x2edf; -+ writel ((fminterval * 9) / 10, &ohci->regs->periodicstart); -+ fminterval |= ((((fminterval - 210) * 6) / 7) << 16); -+ writel (fminterval, &ohci->regs->fminterval); -+ writel (0x628, &ohci->regs->lsthresh); -+ -+ /* start controller operations */ -+ ohci->hc_control = OHCI_CONTROL_INIT | OHCI_USB_OPER; -+ ohci->disabled = 0; -+ writel (ohci->hc_control, &ohci->regs->control); -+ -+ /* Choose the interrupts we care about now, others later on demand */ -+ mask = OHCI_INTR_MIE | OHCI_INTR_UE | OHCI_INTR_WDH | OHCI_INTR_SO; -+ writel (mask, &ohci->regs->intrenable); -+ writel (mask, &ohci->regs->intrstatus); -+ -+#ifdef OHCI_USE_NPS -+ if(ohci->flags & OHCI_QUIRK_SUCKYIO) -+ { -+ /* NSC 87560 at least requires different setup .. */ -+ writel ((roothub_a (ohci) | RH_A_NOCP) & -+ ~(RH_A_OCPM | RH_A_POTPGT | RH_A_PSM | RH_A_NPS), -+ &ohci->regs->roothub.a); -+ } -+ else -+ { -+ /* required for AMD-756 and some Mac platforms */ -+ writel ((roothub_a (ohci) | RH_A_NPS) & ~RH_A_PSM, -+ &ohci->regs->roothub.a); -+ } -+ writel (RH_HS_LPSC, &ohci->regs->roothub.status); -+#endif /* OHCI_USE_NPS */ -+ -+ (void)readl (&ohci->regs->intrdisable); /* PCI posting flush */ -+ -+ // POTPGT delay is bits 24-31, in 2 ms units. -+ mdelay ((roothub_a (ohci) >> 23) & 0x1fe); -+ -+ /* connect the virtual root hub */ -+ ohci->rh.devnum = 0; -+ usb_dev = usb_alloc_dev (NULL, ohci->bus); -+ if (!usb_dev) { -+ ohci->disabled = 1; -+ return -ENOMEM; -+ } -+ -+ dev = usb_to_ohci (usb_dev); -+ ohci->bus->root_hub = usb_dev; -+ usb_connect (usb_dev); -+ if (usb_new_device (usb_dev) != 0) { -+ usb_free_dev (usb_dev); -+ ohci->disabled = 1; -+ return -ENODEV; -+ } -+ -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* called only from interrupt handler */ -+ -+static void check_timeouts (struct ohci *ohci) -+{ -+ spin_lock (&ohci->ohci_lock); -+ while (!list_empty (&ohci->timeout_list)) { -+ struct urb *urb; -+ -+ urb = list_entry (ohci->timeout_list.next, struct urb, urb_list); -+ if (time_after (jiffies, urb->timeout)) -+ break; -+ -+ list_del_init (&urb->urb_list); -+ if (urb->status != -EINPROGRESS) -+ continue; -+ -+ urb->transfer_flags |= USB_TIMEOUT_KILLED | USB_ASYNC_UNLINK; -+ spin_unlock (&ohci->ohci_lock); -+ -+ // outside the interrupt handler (in a timer...) -+ // this reference would race interrupts -+ sohci_unlink_urb (urb); -+ -+ spin_lock (&ohci->ohci_lock); -+ } -+ spin_unlock (&ohci->ohci_lock); -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* an interrupt happens */ -+ -+static void hc_interrupt (int irq, void * __ohci, struct pt_regs * r) -+{ -+ ohci_t * ohci = __ohci; -+ struct ohci_regs * regs = ohci->regs; -+ int ints; -+ -+ spin_lock (&ohci->ohci_lock); -+ -+ /* avoid (slow) readl if only WDH happened */ -+ if ((ohci->hcca->done_head != 0) -+ && !(le32_to_cpup (&ohci->hcca->done_head) & 0x01)) { -+ ints = OHCI_INTR_WDH; -+ -+ /* cardbus/... hardware gone before remove() */ -+ } else if ((ints = readl (®s->intrstatus)) == ~(u32)0) { -+ ohci->disabled++; -+ spin_unlock (&ohci->ohci_lock); -+ err ("%s device removed!", ohci->ohci_dev->slot_name); -+ return; -+ -+ /* interrupt for some other device? */ -+ } else if ((ints &= readl (®s->intrenable)) == 0) { -+ spin_unlock (&ohci->ohci_lock); -+ return; -+ } -+ -+ // dbg("Interrupt: %x frame: %x", ints, le16_to_cpu (ohci->hcca->frame_no)); -+ -+ if (ints & OHCI_INTR_UE) { -+ ohci->disabled++; -+ err ("OHCI Unrecoverable Error, controller usb-%s disabled", -+ ohci->ohci_dev->slot_name); -+ // e.g. due to PCI Master/Target Abort -+ -+#ifdef DEBUG -+ ohci_dump (ohci, 1); -+#else -+ // FIXME: be optimistic, hope that bug won't repeat often. -+ // Make some non-interrupt context restart the controller. -+ // Count and limit the retries though; either hardware or -+ // software errors can go forever... -+#endif -+ hc_reset (ohci); -+ } -+ -+ if (ints & OHCI_INTR_WDH) { -+ writel (OHCI_INTR_WDH, ®s->intrdisable); -+ (void)readl (®s->intrdisable); /* PCI posting flush */ -+ dl_done_list (ohci, dl_reverse_done_list (ohci)); -+ writel (OHCI_INTR_WDH, ®s->intrenable); -+ (void)readl (®s->intrdisable); /* PCI posting flush */ -+ } -+ -+ if (ints & OHCI_INTR_SO) { -+ dbg("USB Schedule overrun"); -+ writel (OHCI_INTR_SO, ®s->intrenable); -+ (void)readl (®s->intrdisable); /* PCI posting flush */ -+ } -+ -+ // FIXME: this assumes SOF (1/ms) interrupts don't get lost... -+ if (ints & OHCI_INTR_SF) { -+ unsigned int frame = le16_to_cpu (ohci->hcca->frame_no) & 1; -+ writel (OHCI_INTR_SF, ®s->intrdisable); -+ (void)readl (®s->intrdisable); /* PCI posting flush */ -+ if (ohci->ed_rm_list[!frame] != NULL) { -+ dl_del_list (ohci, !frame); -+ } -+ if (ohci->ed_rm_list[frame] != NULL) { -+ writel (OHCI_INTR_SF, ®s->intrenable); -+ (void)readl (®s->intrdisable); /* PCI posting flush */ -+ } -+ } -+ -+ /* -+ * Finally, we are done with trashing about our hardware lists -+ * and other CPUs are allowed in. The festive flipping of the lock -+ * ensues as we struggle with the check_timeouts disaster. -+ */ -+ spin_unlock (&ohci->ohci_lock); -+ -+ if (!list_empty (&ohci->timeout_list)) { -+ check_timeouts (ohci); -+// FIXME: enable SF as needed in a timer; -+// don't make lots of 1ms interrupts -+// On unloaded USB, think 4k ~= 4-5msec -+ if (!list_empty (&ohci->timeout_list)) -+ writel (OHCI_INTR_SF, ®s->intrenable); -+ } -+ -+ writel (ints, ®s->intrstatus); -+ writel (OHCI_INTR_MIE, ®s->intrenable); -+ (void)readl (®s->intrdisable); /* PCI posting flush */ -+ -+ ohci_complete(ohci); -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* allocate OHCI */ -+ -+static ohci_t * __devinit hc_alloc_ohci (struct pci_dev *dev, void * mem_base) -+{ -+ ohci_t * ohci; -+ -+ ohci = (ohci_t *) kmalloc (sizeof *ohci, GFP_KERNEL); -+ if (!ohci) -+ return NULL; -+ -+ memset (ohci, 0, sizeof (ohci_t)); -+ -+ ohci->hcca = pci_alloc_consistent (dev, sizeof *ohci->hcca, -+ &ohci->hcca_dma); -+ if (!ohci->hcca) { -+ kfree (ohci); -+ return NULL; -+ } -+ memset (ohci->hcca, 0, sizeof (struct ohci_hcca)); -+ -+ ohci->disabled = 1; -+ ohci->sleeping = 0; -+ ohci->irq = -1; -+ ohci->regs = mem_base; -+ -+ ohci->ohci_dev = dev; -+ pci_set_drvdata(dev, ohci); -+ -+ INIT_LIST_HEAD (&ohci->timeout_list); -+ spin_lock_init(&ohci->ohci_lock); -+ -+ ohci->bus = usb_alloc_bus (&sohci_device_operations); -+ if (!ohci->bus) { -+ pci_set_drvdata (dev, NULL); -+ pci_free_consistent (ohci->ohci_dev, sizeof *ohci->hcca, -+ ohci->hcca, ohci->hcca_dma); -+ kfree (ohci); -+ return NULL; -+ } -+ ohci->bus->bus_name = dev->slot_name; -+ ohci->bus->hcpriv = (void *) ohci; -+ -+ return ohci; -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* De-allocate all resources.. */ -+ -+static void hc_release_ohci (ohci_t * ohci) -+{ -+ dbg ("USB HC release ohci usb-%s", ohci->ohci_dev->slot_name); -+ -+ /* disconnect all devices */ -+ if (ohci->bus->root_hub) -+ usb_disconnect (&ohci->bus->root_hub); -+ -+ if (!ohci->disabled) -+ hc_reset (ohci); -+ -+ if (ohci->irq >= 0) { -+ free_irq (ohci->irq, ohci); -+ ohci->irq = -1; -+ } -+ pci_set_drvdata(ohci->ohci_dev, NULL); -+ if (ohci->bus) { -+ if (ohci->bus->busnum != -1) -+ usb_deregister_bus (ohci->bus); -+ -+ usb_free_bus (ohci->bus); -+ } -+ -+ ohci_mem_cleanup (ohci); -+ -+ /* unmap the IO address space */ -+ iounmap (ohci->regs); -+ -+ pci_free_consistent (ohci->ohci_dev, sizeof *ohci->hcca, -+ ohci->hcca, ohci->hcca_dma); -+ kfree (ohci); -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* Increment the module usage count, start the control thread and -+ * return success. */ -+ -+static struct pci_driver ohci_pci_driver; -+ -+static int __devinit -+hc_found_ohci (struct pci_dev *dev, int irq, -+ void *mem_base, const struct pci_device_id *id) -+{ -+ ohci_t * ohci; -+ char buf[8], *bufp = buf; -+ int ret; -+ -+#ifndef __sparc__ -+ sprintf(buf, "%d", irq); -+#else -+ bufp = __irq_itoa(irq); -+#endif -+ printk(KERN_INFO __FILE__ ": USB OHCI at membase 0x%lx, IRQ %s\n", -+ (unsigned long) mem_base, bufp); -+ printk(KERN_INFO __FILE__ ": usb-%s, %s\n", dev->slot_name, dev->name); -+ -+ ohci = hc_alloc_ohci (dev, mem_base); -+ if (!ohci) { -+ return -ENOMEM; -+ } -+ if ((ret = ohci_mem_init (ohci)) < 0) { -+ hc_release_ohci (ohci); -+ return ret; -+ } -+ ohci->flags = id->driver_data; -+ -+ /* Check for NSC87560. We have to look at the bridge (fn1) to identify -+ the USB (fn2). This quirk might apply to more or even all NSC stuff -+ I don't know.. */ -+ -+ if(dev->vendor == PCI_VENDOR_ID_NS) -+ { -+ struct pci_dev *fn1 = pci_find_slot(dev->bus->number, PCI_DEVFN(PCI_SLOT(dev->devfn), 1)); -+ if(fn1 && fn1->vendor == PCI_VENDOR_ID_NS && fn1->device == PCI_DEVICE_ID_NS_87560_LIO) -+ ohci->flags |= OHCI_QUIRK_SUCKYIO; -+ -+ } -+ -+ if (ohci->flags & OHCI_QUIRK_SUCKYIO) -+ printk (KERN_INFO __FILE__ ": Using NSC SuperIO setup\n"); -+ if (ohci->flags & OHCI_QUIRK_AMD756) -+ printk (KERN_INFO __FILE__ ": AMD756 erratum 4 workaround\n"); -+ -+ if (hc_reset (ohci) < 0) { -+ hc_release_ohci (ohci); -+ return -ENODEV; -+ } -+ -+ /* FIXME this is a second HC reset; why?? */ -+ writel (ohci->hc_control = OHCI_USB_RESET, &ohci->regs->control); -+ (void)readl (&ohci->regs->intrdisable); /* PCI posting flush */ -+ wait_ms (10); -+ -+ usb_register_bus (ohci->bus); -+ -+ if (request_irq (irq, hc_interrupt, SA_SHIRQ, -+ ohci_pci_driver.name, ohci) != 0) { -+ err ("request interrupt %s failed", bufp); -+ hc_release_ohci (ohci); -+ return -EBUSY; -+ } -+ ohci->irq = irq; -+ -+ if (hc_start (ohci) < 0) { -+ err ("can't start usb-%s", dev->slot_name); -+ hc_release_ohci (ohci); -+ return -EBUSY; -+ } -+ -+#ifdef DEBUG -+ ohci_dump (ohci, 1); -+#endif -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+#ifdef CONFIG_PM -+ -+/* controller died; cleanup debris, then restart */ -+/* must not be called from interrupt context */ -+ -+static void hc_restart (ohci_t *ohci) -+{ -+ int temp; -+ int i; -+ -+ if (ohci->pci_latency) -+ pci_write_config_byte (ohci->ohci_dev, PCI_LATENCY_TIMER, ohci->pci_latency); -+ -+ ohci->disabled = 1; -+ ohci->sleeping = 0; -+ if (ohci->bus->root_hub) -+ usb_disconnect (&ohci->bus->root_hub); -+ -+ /* empty the interrupt branches */ -+ for (i = 0; i < NUM_INTS; i++) ohci->ohci_int_load[i] = 0; -+ for (i = 0; i < NUM_INTS; i++) ohci->hcca->int_table[i] = 0; -+ -+ /* no EDs to remove */ -+ ohci->ed_rm_list [0] = NULL; -+ ohci->ed_rm_list [1] = NULL; -+ -+ /* empty control and bulk lists */ -+ ohci->ed_isotail = NULL; -+ ohci->ed_controltail = NULL; -+ ohci->ed_bulktail = NULL; -+ -+ if ((temp = hc_reset (ohci)) < 0 || (temp = hc_start (ohci)) < 0) { -+ err ("can't restart usb-%s, %d", ohci->ohci_dev->slot_name, temp); -+ } else -+ dbg ("restart usb-%s completed", ohci->ohci_dev->slot_name); -+} -+ -+#endif /* CONFIG_PM */ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* configured so that an OHCI device is always provided */ -+/* always called with process context; sleeping is OK */ -+ -+static int __devinit -+ohci_pci_probe (struct pci_dev *dev, const struct pci_device_id *id) -+{ -+ unsigned long mem_resource, mem_len; -+ void *mem_base; -+ int status; -+ -+ if (pci_enable_device(dev) < 0) -+ return -ENODEV; -+ -+ if (!dev->irq) { -+ err("found OHCI device with no IRQ assigned. check BIOS settings!"); -+ pci_disable_device (dev); -+ return -ENODEV; -+ } -+ -+ /* we read its hardware registers as memory */ -+ mem_resource = pci_resource_start(dev, 0); -+ mem_len = pci_resource_len(dev, 0); -+ if (!request_mem_region (mem_resource, mem_len, ohci_pci_driver.name)) { -+ dbg ("controller already in use"); -+ pci_disable_device (dev); -+ return -EBUSY; -+ } -+ -+ mem_base = ioremap_nocache (mem_resource, mem_len); -+ if (!mem_base) { -+ err("Error mapping OHCI memory"); -+ release_mem_region (mem_resource, mem_len); -+ pci_disable_device (dev); -+ return -EFAULT; -+ } -+ -+ /* controller writes into our memory */ -+ pci_set_master (dev); -+ -+ status = hc_found_ohci (dev, dev->irq, mem_base, id); -+ if (status < 0) { -+ iounmap (mem_base); -+ release_mem_region (mem_resource, mem_len); -+ pci_disable_device (dev); -+ } -+ return status; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* may be called from interrupt context [interface spec] */ -+/* may be called without controller present */ -+/* may be called with controller, bus, and devices active */ -+ -+static void __devexit -+ohci_pci_remove (struct pci_dev *dev) -+{ -+ ohci_t *ohci = pci_get_drvdata(dev); -+ -+ dbg ("remove %s controller usb-%s%s%s", -+ hcfs2string (ohci->hc_control & OHCI_CTRL_HCFS), -+ dev->slot_name, -+ ohci->disabled ? " (disabled)" : "", -+ in_interrupt () ? " in interrupt" : "" -+ ); -+#ifdef DEBUG -+ ohci_dump (ohci, 1); -+#endif -+ -+ /* don't wake up sleeping controllers, or block in interrupt context */ -+ if ((ohci->hc_control & OHCI_CTRL_HCFS) != OHCI_USB_OPER || in_interrupt ()) { -+ dbg ("controller being disabled"); -+ ohci->disabled = 1; -+ } -+ -+ /* on return, USB will always be reset (if present) */ -+ if (ohci->disabled) -+ writel (ohci->hc_control = OHCI_USB_RESET, -+ &ohci->regs->control); -+ -+ hc_release_ohci (ohci); -+ -+ release_mem_region (pci_resource_start (dev, 0), pci_resource_len (dev, 0)); -+ pci_disable_device (dev); -+} -+ -+ -+#ifdef CONFIG_PM -+ -+/*-------------------------------------------------------------------------*/ -+ -+static int -+ohci_pci_suspend (struct pci_dev *dev, u32 state) -+{ -+ ohci_t *ohci = pci_get_drvdata(dev); -+ unsigned long flags; -+ u16 cmd; -+ -+ if ((ohci->hc_control & OHCI_CTRL_HCFS) != OHCI_USB_OPER) { -+ dbg ("can't suspend usb-%s (state is %s)", dev->slot_name, -+ hcfs2string (ohci->hc_control & OHCI_CTRL_HCFS)); -+ return -EIO; -+ } -+ -+ /* act as if usb suspend can always be used */ -+ info ("USB suspend: usb-%s", dev->slot_name); -+ ohci->sleeping = 1; -+ -+ /* First stop processing */ -+ spin_lock_irqsave (&ohci->ohci_lock, flags); -+ ohci->hc_control &= ~(OHCI_CTRL_PLE|OHCI_CTRL_CLE|OHCI_CTRL_BLE|OHCI_CTRL_IE); -+ writel (ohci->hc_control, &ohci->regs->control); -+ writel (OHCI_INTR_SF, &ohci->regs->intrstatus); -+ (void) readl (&ohci->regs->intrstatus); -+ spin_unlock_irqrestore (&ohci->ohci_lock, flags); -+ -+ /* Wait a frame or two */ -+ mdelay(1); -+ if (!readl (&ohci->regs->intrstatus) & OHCI_INTR_SF) -+ mdelay (1); -+ -+#ifdef CONFIG_PMAC_PBOOK -+ if (_machine == _MACH_Pmac) -+ disable_irq (ohci->irq); -+ /* else, 2.4 assumes shared irqs -- don't disable */ -+#endif -+ /* Enable remote wakeup */ -+ writel (readl(&ohci->regs->intrenable) | OHCI_INTR_RD, &ohci->regs->intrenable); -+ -+ /* Suspend chip and let things settle down a bit */ -+ ohci->hc_control = OHCI_USB_SUSPEND; -+ writel (ohci->hc_control, &ohci->regs->control); -+ (void) readl (&ohci->regs->control); -+ mdelay (500); /* No schedule here ! */ -+ switch (readl (&ohci->regs->control) & OHCI_CTRL_HCFS) { -+ case OHCI_USB_RESET: -+ dbg("Bus in reset phase ???"); -+ break; -+ case OHCI_USB_RESUME: -+ dbg("Bus in resume phase ???"); -+ break; -+ case OHCI_USB_OPER: -+ dbg("Bus in operational phase ???"); -+ break; -+ case OHCI_USB_SUSPEND: -+ dbg("Bus suspended"); -+ break; -+ } -+ /* In some rare situations, Apple's OHCI have happily trashed -+ * memory during sleep. We disable it's bus master bit during -+ * suspend -+ */ -+ pci_read_config_word (dev, PCI_COMMAND, &cmd); -+ cmd &= ~PCI_COMMAND_MASTER; -+ pci_write_config_word (dev, PCI_COMMAND, cmd); -+#ifdef CONFIG_PMAC_PBOOK -+ { -+ struct device_node *of_node; -+ -+ /* Disable USB PAD & cell clock */ -+ of_node = pci_device_to_OF_node (ohci->ohci_dev); -+ if (of_node) -+ pmac_call_feature(PMAC_FTR_USB_ENABLE, of_node, 0, 0); -+ } -+#endif -+ return 0; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+static int -+ohci_pci_resume (struct pci_dev *dev) -+{ -+ ohci_t *ohci = pci_get_drvdata(dev); -+ int temp; -+ unsigned long flags; -+ -+ /* guard against multiple resumes */ -+ atomic_inc (&ohci->resume_count); -+ if (atomic_read (&ohci->resume_count) != 1) { -+ err ("concurrent PCI resumes for usb-%s", dev->slot_name); -+ atomic_dec (&ohci->resume_count); -+ return 0; -+ } -+ -+#ifdef CONFIG_PMAC_PBOOK -+ { -+ struct device_node *of_node; -+ -+ /* Re-enable USB PAD & cell clock */ -+ of_node = pci_device_to_OF_node (ohci->ohci_dev); -+ if (of_node) -+ pmac_call_feature(PMAC_FTR_USB_ENABLE, of_node, 0, 1); -+ } -+#endif -+ -+ /* did we suspend, or were we powered off? */ -+ ohci->hc_control = readl (&ohci->regs->control); -+ temp = ohci->hc_control & OHCI_CTRL_HCFS; -+ -+#ifdef DEBUG -+ /* the registers may look crazy here */ -+ ohci_dump_status (ohci); -+#endif -+ -+ /* Re-enable bus mastering */ -+ pci_set_master(ohci->ohci_dev); -+ -+ switch (temp) { -+ -+ case OHCI_USB_RESET: // lost power -+ info ("USB restart: usb-%s", dev->slot_name); -+ hc_restart (ohci); -+ break; -+ -+ case OHCI_USB_SUSPEND: // host wakeup -+ case OHCI_USB_RESUME: // remote wakeup -+ info ("USB continue: usb-%s from %s wakeup", dev->slot_name, -+ (temp == OHCI_USB_SUSPEND) -+ ? "host" : "remote"); -+ ohci->hc_control = OHCI_USB_RESUME; -+ writel (ohci->hc_control, &ohci->regs->control); -+ (void) readl (&ohci->regs->control); -+ mdelay (20); /* no schedule here ! */ -+ /* Some controllers (lucent) need a longer delay here */ -+ mdelay (15); -+ temp = readl (&ohci->regs->control); -+ temp = ohci->hc_control & OHCI_CTRL_HCFS; -+ if (temp != OHCI_USB_RESUME) { -+ err ("controller usb-%s won't resume", dev->slot_name); -+ ohci->disabled = 1; -+ return -EIO; -+ } -+ -+ /* Some chips likes being resumed first */ -+ writel (OHCI_USB_OPER, &ohci->regs->control); -+ (void) readl (&ohci->regs->control); -+ mdelay (3); -+ -+ /* Then re-enable operations */ -+ spin_lock_irqsave (&ohci->ohci_lock, flags); -+ ohci->disabled = 0; -+ ohci->sleeping = 0; -+ ohci->hc_control = OHCI_CONTROL_INIT | OHCI_USB_OPER; -+ if (!ohci->ed_rm_list[0] && !ohci->ed_rm_list[1]) { -+ if (ohci->ed_controltail) -+ ohci->hc_control |= OHCI_CTRL_CLE; -+ if (ohci->ed_bulktail) -+ ohci->hc_control |= OHCI_CTRL_BLE; -+ } -+ writel (ohci->hc_control, &ohci->regs->control); -+ writel (OHCI_INTR_SF, &ohci->regs->intrstatus); -+ writel (OHCI_INTR_SF, &ohci->regs->intrenable); -+ /* Check for a pending done list */ -+ writel (OHCI_INTR_WDH, &ohci->regs->intrdisable); -+ (void) readl (&ohci->regs->intrdisable); -+#ifdef CONFIG_PMAC_PBOOK -+ if (_machine == _MACH_Pmac) -+ enable_irq (ohci->irq); -+#endif -+ if (ohci->hcca->done_head) -+ dl_done_list (ohci, dl_reverse_done_list (ohci)); -+ writel (OHCI_INTR_WDH, &ohci->regs->intrenable); -+ writel (OHCI_BLF, &ohci->regs->cmdstatus); /* start bulk list */ -+ writel (OHCI_CLF, &ohci->regs->cmdstatus); /* start Control list */ -+ spin_unlock_irqrestore (&ohci->ohci_lock, flags); -+ break; -+ -+ default: -+ warn ("odd PCI resume for usb-%s", dev->slot_name); -+ } -+ -+ /* controller is operational, extra resumes are harmless */ -+ atomic_dec (&ohci->resume_count); -+ -+ return 0; -+} -+ -+#endif /* CONFIG_PM */ -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+static const struct pci_device_id __devinitdata ohci_pci_ids [] = { { -+ -+ /* -+ * AMD-756 [Viper] USB has a serious erratum when used with -+ * lowspeed devices like mice. -+ */ -+ vendor: 0x1022, -+ device: 0x740c, -+ subvendor: PCI_ANY_ID, -+ subdevice: PCI_ANY_ID, -+ -+ driver_data: OHCI_QUIRK_AMD756, -+ -+} , { -+ -+ /* handle any USB OHCI controller */ -+ class: ((PCI_CLASS_SERIAL_USB << 8) | 0x10), -+ class_mask: ~0, -+ -+ /* no matter who makes it */ -+ vendor: PCI_ANY_ID, -+ device: PCI_ANY_ID, -+ subvendor: PCI_ANY_ID, -+ subdevice: PCI_ANY_ID, -+ -+ }, { /* end: all zeroes */ } -+}; -+ -+MODULE_DEVICE_TABLE (pci, ohci_pci_ids); -+ -+static struct pci_driver ohci_pci_driver = { -+ name: "usb-ohci", -+ id_table: &ohci_pci_ids [0], -+ -+ probe: ohci_pci_probe, -+ remove: __devexit_p(ohci_pci_remove), -+ -+#ifdef CONFIG_PM -+ suspend: ohci_pci_suspend, -+ resume: ohci_pci_resume, -+#endif /* PM */ -+}; -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+static int __init ohci_hcd_init (void) -+{ -+ return pci_module_init (&ohci_pci_driver); -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+static void __exit ohci_hcd_cleanup (void) -+{ -+ pci_unregister_driver (&ohci_pci_driver); -+} -+ -+module_init (ohci_hcd_init); -+module_exit (ohci_hcd_cleanup); -+ -+ -+MODULE_AUTHOR( DRIVER_AUTHOR ); -+MODULE_DESCRIPTION( DRIVER_DESC ); -+MODULE_LICENSE("GPL"); |