MAINTAINERS: omap: fix regex
[safe/jmp/linux-2.6] / drivers / usb / host / ohci-hcd.c
index a8160d6..5815168 100644 (file)
@@ -46,7 +46,6 @@
 
 #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"
 
@@ -86,6 +85,21 @@ static void ohci_stop (struct usb_hcd *hcd);
 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);
+#else
+static inline void quirk_amd_pll(int state)
+{
+       return;
+}
+static inline void amd_iso_dev_put(void)
+{
+       return;
+}
+#endif
+
+
 #include "ohci-hub.c"
 #include "ohci-dbg.c"
 #include "ohci-mem.c"
@@ -483,6 +497,9 @@ static int ohci_init (struct ohci_hcd *ohci)
        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;
 
@@ -554,7 +571,7 @@ static int ohci_init (struct ohci_hcd *ohci)
  */
 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);
 
@@ -563,8 +580,8 @@ static int ohci_run (struct ohci_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);
@@ -572,36 +589,36 @@ static int ohci_run (struct ohci_hcd *ohci)
                /* 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.
         */
-       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);
+       msleep(val);
 
        memset (ohci->hcca, 0, sizeof (struct ohci_hcca));
 
@@ -611,9 +628,9 @@ static int ohci_run (struct ohci_hcd *ohci)
 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;
@@ -682,22 +699,23 @@ retry:
        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);
@@ -706,7 +724,7 @@ retry:
        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)) {
@@ -882,6 +900,8 @@ static void ohci_stop (struct usb_hcd *hcd)
 
        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);
@@ -963,10 +983,8 @@ static int ohci_restart (struct ohci_hcd *ohci)
 
 /*-------------------------------------------------------------------------*/
 
-#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
@@ -974,12 +992,12 @@ MODULE_LICENSE ("GPL");
 #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
@@ -1031,7 +1049,8 @@ MODULE_LICENSE ("GPL");
 
 #if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
     defined(CONFIG_CPU_SUBTYPE_SH7721) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7763)
+    defined(CONFIG_CPU_SUBTYPE_SH7763) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7786)
 #include "ohci-sh.c"
 #define PLATFORM_DRIVER                ohci_hcd_sh_driver
 #endif
@@ -1057,12 +1076,18 @@ MODULE_LICENSE ("GPL");
 #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(OF_PLATFORM_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
@@ -1074,12 +1099,13 @@ static int __init ohci_hcd_mod_init(void)
        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", NULL);
+       ohci_debug_root = debugfs_create_dir("ohci", usb_debug_root);
        if (!ohci_debug_root) {
                retval = -ENOENT;
                goto error_debug;
@@ -1128,13 +1154,25 @@ static int __init ohci_hcd_mod_init(void)
                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
@@ -1163,12 +1201,16 @@ static int __init ohci_hcd_mod_init(void)
  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
@@ -1193,6 +1235,7 @@ static void __exit ohci_hcd_mod_exit(void)
 #ifdef DEBUG
        debugfs_remove(ohci_debug_root);
 #endif
+       clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
 }
 module_exit(ohci_hcd_mod_exit);