#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/usb.h>
#include <linux/usb/otg.h>
+#include <linux/usb/hcd.h>
#include <linux/dma-mapping.h>
#include <linux/dmapool.h>
-#include <linux/reboot.h>
+#include <linux/workqueue.h>
+#include <linux/debugfs.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/unaligned.h>
#include <asm/byteorder.h>
-#include "../core/hcd.h"
-#define DRIVER_VERSION "2006 August 04"
#define DRIVER_AUTHOR "Roman Weissgaerber, David Brownell"
#define DRIVER_DESC "USB 1.1 'Open' Host Controller (OHCI) Driver"
static int ohci_init (struct ohci_hcd *ohci);
static void ohci_stop (struct usb_hcd *hcd);
+#if defined(CONFIG_PM) || defined(CONFIG_PCI)
+static int ohci_restart (struct ohci_hcd *ohci);
+#endif
+
+#ifdef CONFIG_PCI
+static void quirk_amd_pll(int state);
+static void amd_iso_dev_put(void);
+static void sb800_prefetch(struct ohci_hcd *ohci, int on);
+#else
+static inline void quirk_amd_pll(int state)
+{
+ return;
+}
+static inline void amd_iso_dev_put(void)
+{
+ return;
+}
+static inline void sb800_prefetch(struct ohci_hcd *ohci, int on)
+{
+ return;
+}
+#endif
+
+
#include "ohci-hub.c"
#include "ohci-dbg.c"
#include "ohci-mem.c"
*/
static int ohci_urb_enqueue (
struct usb_hcd *hcd,
- struct usb_host_endpoint *ep,
struct urb *urb,
gfp_t mem_flags
) {
int retval = 0;
#ifdef OHCI_VERBOSE_DEBUG
- urb_print (urb, "SUB", usb_pipein (pipe));
+ urb_print(urb, "SUB", usb_pipein(pipe), -EINPROGRESS);
#endif
/* every endpoint has a ed, locate and maybe (re)initialize it */
- if (! (ed = ed_get (ohci, ep, urb->dev, pipe, urb->interval)))
+ if (! (ed = ed_get (ohci, urb->ep, urb->dev, pipe, urb->interval)))
return -ENOMEM;
/* for the private part of the URB we need the number of TDs (size) */
}
/* allocate the private part of the URB */
- urb_priv = kmalloc (sizeof (urb_priv_t) + size * sizeof (struct td *),
+ urb_priv = kzalloc (sizeof (urb_priv_t) + size * sizeof (struct td *),
mem_flags);
if (!urb_priv)
return -ENOMEM;
- memset (urb_priv, 0, sizeof (urb_priv_t) + size * sizeof (struct td *));
INIT_LIST_HEAD (&urb_priv->pending);
urb_priv->length = size;
urb_priv->ed = ed;
retval = -ENODEV;
goto fail;
}
-
- /* in case of unlink-during-submit */
- spin_lock (&urb->lock);
- if (urb->status != -EINPROGRESS) {
- spin_unlock (&urb->lock);
- urb->hcpriv = urb_priv;
- finish_urb (ohci, urb);
- retval = 0;
+ retval = usb_hcd_link_urb_to_ep(hcd, urb);
+ if (retval)
goto fail;
- }
/* schedule the ed if needed */
if (ed->state == ED_IDLE) {
retval = ed_schedule (ohci, ed);
- if (retval < 0)
- goto fail0;
+ if (retval < 0) {
+ usb_hcd_unlink_urb_from_ep(hcd, urb);
+ goto fail;
+ }
if (ed->type == PIPE_ISOCHRONOUS) {
u16 frame = ohci_frame_no(ohci);
urb->hcpriv = urb_priv;
td_submit_urb (ohci, urb);
-fail0:
- spin_unlock (&urb->lock);
fail:
if (retval)
urb_free_priv (ohci, urb_priv);
}
/*
- * decouple the URB from the HC queues (TDs, urb_priv); it's
- * already marked using urb->status. reporting is always done
+ * decouple the URB from the HC queues (TDs, urb_priv).
+ * reporting is always done
* asynchronously, and we might be dealing with an urb that's
* partially transferred, or an ED with other urbs being unlinked.
*/
-static int ohci_urb_dequeue (struct usb_hcd *hcd, struct urb *urb)
+static int ohci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
{
struct ohci_hcd *ohci = hcd_to_ohci (hcd);
unsigned long flags;
+ int rc;
#ifdef OHCI_VERBOSE_DEBUG
- urb_print (urb, "UNLINK", 1);
+ urb_print(urb, "UNLINK", 1, status);
#endif
spin_lock_irqsave (&ohci->lock, flags);
- if (HC_IS_RUNNING(hcd->state)) {
+ rc = usb_hcd_check_unlink_urb(hcd, urb, status);
+ if (rc) {
+ ; /* Do nothing */
+ } else if (HC_IS_RUNNING(hcd->state)) {
urb_priv_t *urb_priv;
/* Unless an IRQ completed the unlink while it was being
* any more ... just clean up every urb's memory.
*/
if (urb->hcpriv)
- finish_urb (ohci, urb);
+ finish_urb(ohci, urb, status);
}
spin_unlock_irqrestore (&ohci->lock, flags);
- return 0;
+ return rc;
}
/*-------------------------------------------------------------------------*/
if (!HC_IS_RUNNING (hcd->state)) {
sanitize:
ed->state = ED_IDLE;
+ if (quirk_zfmicro(ohci) && ed->type == PIPE_INTERRUPT)
+ ohci->eds_scheduled--;
finish_unlinks (ohci, 0);
}
case ED_UNLINK: /* wait for hw to finish? */
/* major IRQ delivery trouble loses INTR_SF too... */
if (limit-- == 0) {
- ohci_warn (ohci, "IRQ INTR_SF lossage\n");
+ ohci_warn(ohci, "ED unlink timeout\n");
+ if (quirk_zfmicro(ohci)) {
+ ohci_warn(ohci, "Attempting ZF TD recovery\n");
+ ohci->ed_to_check = ed;
+ ohci->zf_delay = 2;
+ }
goto sanitize;
}
spin_unlock_irqrestore (&ohci->lock, flags);
(void) ohci_readl (ohci, &ohci->regs->control);
}
+static int check_ed(struct ohci_hcd *ohci, struct ed *ed)
+{
+ return (hc32_to_cpu(ohci, ed->hwINFO) & ED_IN) != 0
+ && (hc32_to_cpu(ohci, ed->hwHeadP) & TD_MASK)
+ == (hc32_to_cpu(ohci, ed->hwTailP) & TD_MASK)
+ && !list_empty(&ed->td_list);
+}
+
+/* ZF Micro watchdog timer callback. The ZF Micro chipset sometimes completes
+ * an interrupt TD but neglects to add it to the donelist. On systems with
+ * this chipset, we need to periodically check the state of the queues to look
+ * for such "lost" TDs.
+ */
+static void unlink_watchdog_func(unsigned long _ohci)
+{
+ unsigned long flags;
+ unsigned max;
+ unsigned seen_count = 0;
+ unsigned i;
+ struct ed **seen = NULL;
+ struct ohci_hcd *ohci = (struct ohci_hcd *) _ohci;
+
+ spin_lock_irqsave(&ohci->lock, flags);
+ max = ohci->eds_scheduled;
+ if (!max)
+ goto done;
+
+ if (ohci->ed_to_check)
+ goto out;
+
+ seen = kcalloc(max, sizeof *seen, GFP_ATOMIC);
+ if (!seen)
+ goto out;
+
+ for (i = 0; i < NUM_INTS; i++) {
+ struct ed *ed = ohci->periodic[i];
+
+ while (ed) {
+ unsigned temp;
+
+ /* scan this branch of the periodic schedule tree */
+ for (temp = 0; temp < seen_count; temp++) {
+ if (seen[temp] == ed) {
+ /* we've checked it and what's after */
+ ed = NULL;
+ break;
+ }
+ }
+ if (!ed)
+ break;
+ seen[seen_count++] = ed;
+ if (!check_ed(ohci, ed)) {
+ ed = ed->ed_next;
+ continue;
+ }
+
+ /* HC's TD list is empty, but HCD sees at least one
+ * TD that's not been sent through the donelist.
+ */
+ ohci->ed_to_check = ed;
+ ohci->zf_delay = 2;
+
+ /* The HC may wait until the next frame to report the
+ * TD as done through the donelist and INTR_WDH. (We
+ * just *assume* it's not a multi-TD interrupt URB;
+ * those could defer the IRQ more than one frame, using
+ * DI...) Check again after the next INTR_SF.
+ */
+ ohci_writel(ohci, OHCI_INTR_SF,
+ &ohci->regs->intrstatus);
+ ohci_writel(ohci, OHCI_INTR_SF,
+ &ohci->regs->intrenable);
+
+ /* flush those writes */
+ (void) ohci_readl(ohci, &ohci->regs->control);
+
+ goto out;
+ }
+ }
+out:
+ kfree(seen);
+ if (ohci->eds_scheduled)
+ mod_timer(&ohci->unlink_watchdog, round_jiffies(jiffies + HZ));
+done:
+ spin_unlock_irqrestore(&ohci->lock, flags);
+}
+
/*-------------------------------------------------------------------------*
* HC functions
*-------------------------------------------------------------------------*/
int ret;
struct usb_hcd *hcd = ohci_to_hcd(ohci);
+ if (distrust_firmware)
+ ohci->flags |= OHCI_QUIRK_HUB_POWER;
+
disable (ohci);
ohci->regs = hcd->regs;
*/
static int ohci_run (struct ohci_hcd *ohci)
{
- u32 mask, temp;
+ u32 mask, val;
int first = ohci->fminterval == 0;
struct usb_hcd *hcd = ohci_to_hcd(ohci);
/* boot firmware should have set this up (5.1.1.3.1) */
if (first) {
- temp = ohci_readl (ohci, &ohci->regs->fminterval);
- ohci->fminterval = temp & 0x3fff;
+ val = ohci_readl (ohci, &ohci->regs->fminterval);
+ ohci->fminterval = val & 0x3fff;
if (ohci->fminterval != FI)
ohci_dbg (ohci, "fminterval delta %d\n",
ohci->fminterval - FI);
/* also: power/overcurrent flags in roothub.a */
}
- /* Reset USB nearly "by the book". RemoteWakeupConnected was
- * saved if boot firmware (BIOS/SMM/...) told us it's connected,
- * or if bus glue did the same (e.g. for PCI add-in cards with
- * PCI PM support).
+ /* Reset USB nearly "by the book". RemoteWakeupConnected has
+ * to be checked in case boot firmware (BIOS/SMM/...) has set up
+ * wakeup in a way the bus isn't aware of (e.g., legacy PCI PM).
+ * If the bus glue detected wakeup capability then it should
+ * already be enabled; if so we'll just enable it again.
*/
- ohci_dbg (ohci, "resetting from state '%s', control = 0x%x\n",
- hcfs2string (ohci->hc_control & OHCI_CTRL_HCFS),
- ohci_readl (ohci, &ohci->regs->control));
- if ((ohci->hc_control & OHCI_CTRL_RWC) != 0
- && !device_may_wakeup(hcd->self.controller))
- device_init_wakeup(hcd->self.controller, 1);
+ if ((ohci->hc_control & OHCI_CTRL_RWC) != 0)
+ device_set_wakeup_capable(hcd->self.controller, 1);
switch (ohci->hc_control & OHCI_CTRL_HCFS) {
case OHCI_USB_OPER:
- temp = 0;
+ val = 0;
break;
case OHCI_USB_SUSPEND:
case OHCI_USB_RESUME:
ohci->hc_control &= OHCI_CTRL_RWC;
ohci->hc_control |= OHCI_USB_RESUME;
- temp = 10 /* msec wait */;
+ val = 10 /* msec wait */;
break;
// case OHCI_USB_RESET:
default:
ohci->hc_control &= OHCI_CTRL_RWC;
ohci->hc_control |= OHCI_USB_RESET;
- temp = 50 /* msec wait */;
+ val = 50 /* msec wait */;
break;
}
ohci_writel (ohci, ohci->hc_control, &ohci->regs->control);
// flush the writes
(void) ohci_readl (ohci, &ohci->regs->control);
- msleep(temp);
- temp = roothub_a (ohci);
- if (!(temp & RH_A_NPS)) {
- /* power down each port */
- for (temp = 0; temp < ohci->num_ports; temp++)
- ohci_writel (ohci, RH_PS_LSDA,
- &ohci->regs->roothub.portstatus [temp]);
- }
- // flush those writes
- (void) ohci_readl (ohci, &ohci->regs->control);
+ msleep(val);
+
memset (ohci->hcca, 0, sizeof (struct ohci_hcca));
/* 2msec timelimit here means no irqs/preempt */
retry:
/* HC Reset requires max 10 us delay */
ohci_writel (ohci, OHCI_HCR, &ohci->regs->cmdstatus);
- temp = 30; /* ... allow extra time */
+ val = 30; /* ... allow extra time */
while ((ohci_readl (ohci, &ohci->regs->cmdstatus) & OHCI_HCR) != 0) {
- if (--temp == 0) {
+ if (--val == 0) {
spin_unlock_irq (&ohci->lock);
ohci_err (ohci, "USB HC reset timed out!\n");
return -1;
ohci_writel (ohci, mask, &ohci->regs->intrenable);
/* handle root hub init quirks ... */
- temp = roothub_a (ohci);
- temp &= ~(RH_A_PSM | RH_A_OCPM);
+ val = roothub_a (ohci);
+ val &= ~(RH_A_PSM | RH_A_OCPM);
if (ohci->flags & OHCI_QUIRK_SUPERIO) {
/* NSC 87560 and maybe others */
- temp |= RH_A_NOCP;
- temp &= ~(RH_A_POTPGT | RH_A_NPS);
- ohci_writel (ohci, temp, &ohci->regs->roothub.a);
- } else if ((ohci->flags & OHCI_QUIRK_AMD756) || distrust_firmware) {
+ val |= RH_A_NOCP;
+ val &= ~(RH_A_POTPGT | RH_A_NPS);
+ ohci_writel (ohci, val, &ohci->regs->roothub.a);
+ } else if ((ohci->flags & OHCI_QUIRK_AMD756) ||
+ (ohci->flags & OHCI_QUIRK_HUB_POWER)) {
/* hub power always on; required for AMD-756 and some
* Mac platforms. ganged overcurrent reporting, if any.
*/
- temp |= RH_A_NPS;
- ohci_writel (ohci, temp, &ohci->regs->roothub.a);
+ val |= RH_A_NPS;
+ ohci_writel (ohci, val, &ohci->regs->roothub.a);
}
ohci_writel (ohci, RH_HS_LPSC, &ohci->regs->roothub.status);
- ohci_writel (ohci, (temp & RH_A_NPS) ? 0 : RH_B_PPCM,
+ ohci_writel (ohci, (val & RH_A_NPS) ? 0 : RH_B_PPCM,
&ohci->regs->roothub.b);
// flush those writes
(void) ohci_readl (ohci, &ohci->regs->control);
spin_unlock_irq (&ohci->lock);
// POTPGT delay is bits 24-31, in 2 ms units.
- mdelay ((temp >> 23) & 0x1fe);
+ mdelay ((val >> 23) & 0x1fe);
hcd->state = HC_STATE_RUNNING;
+ if (quirk_zfmicro(ohci)) {
+ /* Create timer to watch for bad queue state on ZF Micro */
+ setup_timer(&ohci->unlink_watchdog, unlink_watchdog_func,
+ (unsigned long) ohci);
+
+ ohci->eds_scheduled = 0;
+ ohci->ed_to_check = NULL;
+ }
+
ohci_dump (ohci, 1);
return 0;
{
struct ohci_hcd *ohci = hcd_to_ohci (hcd);
struct ohci_regs __iomem *regs = ohci->regs;
- int ints;
+ int ints;
- /* we can eliminate a (slow) ohci_readl()
- if _only_ WDH caused this irq */
- if ((ohci->hcca->done_head != 0)
- && ! (hc32_to_cpup (ohci, &ohci->hcca->done_head)
- & 0x01)) {
- ints = OHCI_INTR_WDH;
+ /* Read interrupt status (and flush pending writes). We ignore the
+ * optimization of checking the LSB of hcca->done_head; it doesn't
+ * work on all systems (edge triggering for OHCI can be a factor).
+ */
+ ints = ohci_readl(ohci, ®s->intrstatus);
- /* cardbus/... hardware gone before remove() */
- } else if ((ints = ohci_readl (ohci, ®s->intrstatus)) == ~(u32)0) {
+ /* Check for an all 1's result which is a typical consequence
+ * of dead, unclocked, or unplugged (CardBus...) devices
+ */
+ if (ints == ~(u32)0) {
disable (ohci);
ohci_dbg (ohci, "device removed!\n");
return IRQ_HANDLED;
+ }
+
+ /* We only care about interrupts that are enabled */
+ ints &= ohci_readl(ohci, ®s->intrenable);
/* interrupt for some other device? */
- } else if ((ints &= ohci_readl (ohci, ®s->intrenable)) == 0) {
+ if (ints == 0)
return IRQ_NOTMINE;
- }
if (ints & OHCI_INTR_UE) {
- disable (ohci);
- ohci_err (ohci, "OHCI Unrecoverable Error, disabled\n");
// e.g. due to PCI Master/Target Abort
+ if (quirk_nec(ohci)) {
+ /* Workaround for a silicon bug in some NEC chips used
+ * in Apple's PowerBooks. Adapted from Darwin code.
+ */
+ ohci_err (ohci, "OHCI Unrecoverable Error, scheduling NEC chip restart\n");
+
+ ohci_writel (ohci, OHCI_INTR_UE, ®s->intrdisable);
+
+ schedule_work (&ohci->nec_work);
+ } else {
+ disable (ohci);
+ ohci_err (ohci, "OHCI Unrecoverable Error, disabled\n");
+ }
ohci_dump (ohci, 1);
ohci_usb_reset (ohci);
}
if (ints & OHCI_INTR_WDH) {
- if (HC_IS_RUNNING(hcd->state))
- ohci_writel (ohci, OHCI_INTR_WDH, ®s->intrdisable);
spin_lock (&ohci->lock);
dl_done_list (ohci);
spin_unlock (&ohci->lock);
- if (HC_IS_RUNNING(hcd->state))
- ohci_writel (ohci, OHCI_INTR_WDH, ®s->intrenable);
+ }
+
+ if (quirk_zfmicro(ohci) && (ints & OHCI_INTR_SF)) {
+ spin_lock(&ohci->lock);
+ if (ohci->ed_to_check) {
+ struct ed *ed = ohci->ed_to_check;
+
+ if (check_ed(ohci, ed)) {
+ /* HC thinks the TD list is empty; HCD knows
+ * at least one TD is outstanding
+ */
+ if (--ohci->zf_delay == 0) {
+ struct td *td = list_entry(
+ ed->td_list.next,
+ struct td, td_list);
+ ohci_warn(ohci,
+ "Reclaiming orphan TD %p\n",
+ td);
+ takeback_td(ohci, td);
+ ohci->ed_to_check = NULL;
+ }
+ } else
+ ohci->ed_to_check = NULL;
+ }
+ spin_unlock(&ohci->lock);
}
/* could track INTR_SO to reduce available PCI/... bandwidth */
spin_lock (&ohci->lock);
if (ohci->ed_rm_list)
finish_unlinks (ohci, ohci_frame_no(ohci));
- if ((ints & OHCI_INTR_SF) != 0 && !ohci->ed_rm_list
+ if ((ints & OHCI_INTR_SF) != 0
+ && !ohci->ed_rm_list
+ && !ohci->ed_to_check
&& HC_IS_RUNNING(hcd->state))
ohci_writel (ohci, OHCI_INTR_SF, ®s->intrdisable);
spin_unlock (&ohci->lock);
{
struct ohci_hcd *ohci = hcd_to_ohci (hcd);
- ohci_dbg (ohci, "stop %s controller (state 0x%02x)\n",
- hcfs2string (ohci->hc_control & OHCI_CTRL_HCFS),
- hcd->state);
ohci_dump (ohci, 1);
flush_scheduled_work();
free_irq(hcd->irq, hcd);
hcd->irq = -1;
+ if (quirk_zfmicro(ohci))
+ del_timer(&ohci->unlink_watchdog);
+ if (quirk_amdiso(ohci))
+ amd_iso_dev_put();
+
remove_debug_files (ohci);
ohci_mem_cleanup (ohci);
if (ohci->hcca) {
/*-------------------------------------------------------------------------*/
-/* must not be called from interrupt context */
-
-#ifdef CONFIG_PM
+#if defined(CONFIG_PM) || defined(CONFIG_PCI)
+/* must not be called from interrupt context */
static int ohci_restart (struct ohci_hcd *ohci)
{
int temp;
int i;
struct urb_priv *priv;
- /* mark any devices gone, so they do nothing till khubd disconnects.
- * recycle any "live" eds/tds (and urbs) right away.
- * later, khubd disconnect processing will recycle the other state,
- * (either as disconnect/reconnect, or maybe someday as a reset).
- */
spin_lock_irq(&ohci->lock);
disable (ohci);
- usb_root_hub_lost_power(ohci_to_hcd(ohci)->self.root_hub);
+
+ /* Recycle any "live" eds/tds (and urbs). */
if (!list_empty (&ohci->pending))
ohci_dbg(ohci, "abort schedule...\n");
list_for_each_entry (priv, &ohci->pending, pending) {
ed, ed->state);
}
- spin_lock (&urb->lock);
- urb->status = -ESHUTDOWN;
- spin_unlock (&urb->lock);
+ if (!urb->unlinked)
+ urb->unlinked = -ESHUTDOWN;
}
finish_unlinks (ohci, 0);
spin_unlock_irq(&ohci->lock);
if ((temp = ohci_run (ohci)) < 0) {
ohci_err (ohci, "can't restart, %d\n", temp);
return temp;
- } else {
- /* here we "know" root ports should always stay powered,
- * and that if we try to turn them back on the root hub
- * will respond to CSC processing.
- */
- i = ohci->num_ports;
- while (i--)
- ohci_writel (ohci, RH_PS_PSS,
- &ohci->regs->roothub.portstatus [i]);
- ohci_dbg (ohci, "restart complete\n");
}
+ ohci_dbg(ohci, "restart complete\n");
return 0;
}
+
#endif
/*-------------------------------------------------------------------------*/
-#define DRIVER_INFO DRIVER_VERSION " " DRIVER_DESC
-
MODULE_AUTHOR (DRIVER_AUTHOR);
-MODULE_DESCRIPTION (DRIVER_INFO);
+MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE ("GPL");
#ifdef CONFIG_PCI
#define PCI_DRIVER ohci_pci_driver
#endif
-#ifdef CONFIG_SA1111
+#if defined(CONFIG_ARCH_SA1100) && defined(CONFIG_SA1111)
#include "ohci-sa1111.c"
#define SA1111_DRIVER ohci_hcd_sa1111_driver
#endif
-#ifdef CONFIG_ARCH_S3C2410
+#if defined(CONFIG_ARCH_S3C2410) || defined(CONFIG_ARCH_S3C64XX)
#include "ohci-s3c2410.c"
#define PLATFORM_DRIVER ohci_hcd_s3c2410_driver
#endif
-#ifdef CONFIG_ARCH_OMAP
+#ifdef CONFIG_USB_OHCI_HCD_OMAP1
#include "ohci-omap.c"
-#define PLATFORM_DRIVER ohci_hcd_omap_driver
+#define OMAP1_PLATFORM_DRIVER ohci_hcd_omap_driver
+#endif
+
+#ifdef CONFIG_USB_OHCI_HCD_OMAP3
+#include "ohci-omap3.c"
+#define OMAP3_PLATFORM_DRIVER ohci_hcd_omap3_driver
#endif
#ifdef CONFIG_ARCH_LH7A404
#define PLATFORM_DRIVER ohci_hcd_lh7a404_driver
#endif
-#ifdef CONFIG_PXA27x
+#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
#include "ohci-pxa27x.c"
#define PLATFORM_DRIVER ohci_hcd_pxa27x_driver
#endif
#define PLATFORM_DRIVER usb_hcd_pnx4008_driver
#endif
+#ifdef CONFIG_ARCH_DAVINCI_DA8XX
+#include "ohci-da8xx.c"
+#define PLATFORM_DRIVER ohci_hcd_da8xx_driver
+#endif
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7763) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7786)
+#include "ohci-sh.c"
+#define PLATFORM_DRIVER ohci_hcd_sh_driver
+#endif
+
#ifdef CONFIG_USB_OHCI_HCD_PPC_OF
#include "ohci-ppc-of.c"
#define OF_PLATFORM_DRIVER ohci_hcd_ppc_of_driver
#endif
+#ifdef CONFIG_PPC_PS3
+#include "ohci-ps3.c"
+#define PS3_SYSTEM_BUS_DRIVER ps3_ohci_driver
+#endif
+
+#ifdef CONFIG_USB_OHCI_HCD_SSB
+#include "ohci-ssb.c"
+#define SSB_OHCI_DRIVER ssb_ohci_driver
+#endif
+
+#ifdef CONFIG_MFD_SM501
+#include "ohci-sm501.c"
+#define SM501_OHCI_DRIVER ohci_hcd_sm501_driver
+#endif
+
+#ifdef CONFIG_MFD_TC6393XB
+#include "ohci-tmio.c"
+#define TMIO_OHCI_DRIVER ohci_hcd_tmio_driver
+#endif
+
#if !defined(PCI_DRIVER) && \
!defined(PLATFORM_DRIVER) && \
+ !defined(OMAP1_PLATFORM_DRIVER) && \
+ !defined(OMAP3_PLATFORM_DRIVER) && \
!defined(OF_PLATFORM_DRIVER) && \
- !defined(SA1111_DRIVER)
+ !defined(SA1111_DRIVER) && \
+ !defined(PS3_SYSTEM_BUS_DRIVER) && \
+ !defined(SM501_OHCI_DRIVER) && \
+ !defined(TMIO_OHCI_DRIVER) && \
+ !defined(SSB_OHCI_DRIVER)
#error "missing bus glue for ohci-hcd"
#endif
if (usb_disabled())
return -ENODEV;
- printk (KERN_DEBUG "%s: " DRIVER_INFO "\n", hcd_name);
+ printk(KERN_INFO "%s: " DRIVER_DESC "\n", hcd_name);
pr_debug ("%s: block sizes: ed %Zd td %Zd\n", hcd_name,
sizeof (struct ed), sizeof (struct td));
+ set_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
+
+#ifdef DEBUG
+ ohci_debug_root = debugfs_create_dir("ohci", usb_debug_root);
+ if (!ohci_debug_root) {
+ retval = -ENOENT;
+ goto error_debug;
+ }
+#endif
+
+#ifdef PS3_SYSTEM_BUS_DRIVER
+ retval = ps3_ohci_driver_register(&PS3_SYSTEM_BUS_DRIVER);
+ if (retval < 0)
+ goto error_ps3;
+#endif
#ifdef PLATFORM_DRIVER
retval = platform_driver_register(&PLATFORM_DRIVER);
goto error_platform;
#endif
+#ifdef OMAP1_PLATFORM_DRIVER
+ retval = platform_driver_register(&OMAP1_PLATFORM_DRIVER);
+ if (retval < 0)
+ goto error_omap1_platform;
+#endif
+
+#ifdef OMAP3_PLATFORM_DRIVER
+ retval = platform_driver_register(&OMAP3_PLATFORM_DRIVER);
+ if (retval < 0)
+ goto error_omap3_platform;
+#endif
+
#ifdef OF_PLATFORM_DRIVER
retval = of_register_platform_driver(&OF_PLATFORM_DRIVER);
if (retval < 0)
goto error_pci;
#endif
+#ifdef SSB_OHCI_DRIVER
+ retval = ssb_driver_register(&SSB_OHCI_DRIVER);
+ if (retval)
+ goto error_ssb;
+#endif
+
+#ifdef SM501_OHCI_DRIVER
+ retval = platform_driver_register(&SM501_OHCI_DRIVER);
+ if (retval < 0)
+ goto error_sm501;
+#endif
+
+#ifdef TMIO_OHCI_DRIVER
+ retval = platform_driver_register(&TMIO_OHCI_DRIVER);
+ if (retval < 0)
+ goto error_tmio;
+#endif
+
return retval;
/* Error path */
+#ifdef TMIO_OHCI_DRIVER
+ platform_driver_unregister(&TMIO_OHCI_DRIVER);
+ error_tmio:
+#endif
+#ifdef SM501_OHCI_DRIVER
+ platform_driver_unregister(&SM501_OHCI_DRIVER);
+ error_sm501:
+#endif
+#ifdef SSB_OHCI_DRIVER
+ ssb_driver_unregister(&SSB_OHCI_DRIVER);
+ error_ssb:
+#endif
#ifdef PCI_DRIVER
+ pci_unregister_driver(&PCI_DRIVER);
error_pci:
#endif
#ifdef SA1111_DRIVER
platform_driver_unregister(&PLATFORM_DRIVER);
error_platform:
#endif
+#ifdef OMAP1_PLATFORM_DRIVER
+ platform_driver_unregister(&OMAP1_PLATFORM_DRIVER);
+ error_omap1_platform:
+#endif
+#ifdef OMAP3_PLATFORM_DRIVER
+ platform_driver_unregister(&OMAP3_PLATFORM_DRIVER);
+ error_omap3_platform:
+#endif
+#ifdef PS3_SYSTEM_BUS_DRIVER
+ ps3_ohci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
+ error_ps3:
+#endif
+#ifdef DEBUG
+ debugfs_remove(ohci_debug_root);
+ ohci_debug_root = NULL;
+ error_debug:
+#endif
+
+ clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
return retval;
}
module_init(ohci_hcd_mod_init);
static void __exit ohci_hcd_mod_exit(void)
{
+#ifdef TMIO_OHCI_DRIVER
+ platform_driver_unregister(&TMIO_OHCI_DRIVER);
+#endif
+#ifdef SM501_OHCI_DRIVER
+ platform_driver_unregister(&SM501_OHCI_DRIVER);
+#endif
+#ifdef SSB_OHCI_DRIVER
+ ssb_driver_unregister(&SSB_OHCI_DRIVER);
+#endif
#ifdef PCI_DRIVER
pci_unregister_driver(&PCI_DRIVER);
#endif
#ifdef PLATFORM_DRIVER
platform_driver_unregister(&PLATFORM_DRIVER);
#endif
+#ifdef PS3_SYSTEM_BUS_DRIVER
+ ps3_ohci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
+#endif
+#ifdef DEBUG
+ debugfs_remove(ohci_debug_root);
+#endif
+ clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
}
module_exit(ohci_hcd_mod_exit);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff