USB: add support for SuperH OHCI

[linux-2.6-omap-h63xx.git] / drivers / usb / host / ehci.h

diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 951d69fec513a2b12fa7c5f666844af4f0729128..42969e9d8c447d05a93b110486ee00123da236ee 100644 (file)
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -74,7 +74,6 @@ struct ehci_hcd {                     /* one per controller */
        /* async schedule support */
        struct ehci_qh          *async;
        struct ehci_qh          *reclaim;
-       unsigned                reclaim_ready : 1;
        unsigned                scanning : 1;
 
        /* periodic schedule support */
@@ -105,6 +104,7 @@ struct ehci_hcd {                   /* one per controller */
        struct dma_pool         *itd_pool;      /* itd per iso urb */
        struct dma_pool         *sitd_pool;     /* sitd per split iso urb */
 
+       struct timer_list       iaa_watchdog;
        struct timer_list       watchdog;
        unsigned long           actions;
        unsigned                stamp;
@@ -126,6 +126,14 @@ struct ehci_hcd {                  /* one per controller */
 #      define COUNT(x) do { (x)++; } while (0)
 #else
 #      define COUNT(x) do {} while (0)
+#endif
+
+       /* debug files */
+#ifdef DEBUG
+       struct dentry           *debug_dir;
+       struct dentry           *debug_async;
+       struct dentry           *debug_periodic;
+       struct dentry           *debug_registers;
 #endif
 };
 
@@ -140,9 +148,21 @@ static inline struct usb_hcd *ehci_to_hcd (struct ehci_hcd *ehci)
 }
 
 
+static inline void
+iaa_watchdog_start(struct ehci_hcd *ehci)
+{
+       WARN_ON(timer_pending(&ehci->iaa_watchdog));
+       mod_timer(&ehci->iaa_watchdog,
+                       jiffies + msecs_to_jiffies(EHCI_IAA_MSECS));
+}
+
+static inline void iaa_watchdog_done(struct ehci_hcd *ehci)
+{
+       del_timer(&ehci->iaa_watchdog);
+}
+
 enum ehci_timer_action {
        TIMER_IO_WATCHDOG,
-       TIMER_IAA_WATCHDOG,
        TIMER_ASYNC_SHRINK,
        TIMER_ASYNC_OFF,
 };
@@ -160,9 +180,6 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action)
                unsigned long t;
 
                switch (action) {
-               case TIMER_IAA_WATCHDOG:
-                       t = EHCI_IAA_JIFFIES;
-                       break;
                case TIMER_IO_WATCHDOG:
                        t = EHCI_IO_JIFFIES;
                        break;
@@ -179,8 +196,7 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action)
                // async queue SHRINK often precedes IAA.  while it's ready
                // to go OFF neither can matter, and afterwards the IO
                // watchdog stops unless there's still periodic traffic.
-               if (action != TIMER_IAA_WATCHDOG
-                               && t > ehci->watchdog.expires
+               if (time_before_eq(t, ehci->watchdog.expires)
                                && timer_pending (&ehci->watchdog))
                        return;
                mod_timer (&ehci->watchdog, t);
@@ -586,7 +602,6 @@ struct ehci_itd {
        unsigned                frame;          /* where scheduled */
        unsigned                pg;
        unsigned                index[8];       /* in urb->iso_frame_desc */
-       u8                      usecs[8];
 } __attribute__ ((aligned (32)));
 
 /*-------------------------------------------------------------------------*/
@@ -725,11 +740,16 @@ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
  * definition below can die once the 4xx support is
  * finally ported over.
  */
-#if defined(CONFIG_PPC)
+#if defined(CONFIG_PPC) && !defined(CONFIG_PPC_MERGE)
 #define readl_be(addr)         in_be32((__force unsigned *)addr)
 #define writel_be(val, addr)   out_be32((__force unsigned *)addr, val)
 #endif
 
+#if defined(CONFIG_ARM) && defined(CONFIG_ARCH_IXP4XX)
+#define readl_be(addr)         __raw_readl((__force unsigned *)addr)
+#define writel_be(val, addr)   __raw_writel(val, (__force unsigned *)addr)
+#endif
+
 static inline unsigned int ehci_readl(const struct ehci_hcd *ehci,
                __u32 __iomem * regs)
 {