/* async schedule support */
struct ehci_qh *async;
struct ehci_qh *reclaim;
- unsigned reclaim_ready : 1;
unsigned scanning : 1;
/* periodic schedule support */
dedicated to the companion controller */
unsigned long owned_ports; /* which ports are
owned by the companion during a bus suspend */
+ unsigned long port_c_suspend; /* which ports have
+ the change-suspend feature turned on */
/* per-HC memory pools (could be per-bus, but ...) */
struct dma_pool *qh_pool; /* qh per active urb */
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;
u32 command;
/* SILICON QUIRKS */
- unsigned is_tdi_rh_tt:1; /* TDI roothub with TT */
unsigned no_selective_suspend:1;
unsigned has_fsl_port_bug:1; /* FreeScale */
unsigned big_endian_mmio:1;
# 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
};
}
+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,
};
static inline void
timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action)
{
+ /* Don't override timeouts which shrink or (later) disable
+ * the async ring; just the I/O watchdog. Note that if a
+ * SHRINK were pending, OFF would never be requested.
+ */
+ if (timer_pending(&ehci->watchdog)
+ && ((BIT(TIMER_ASYNC_SHRINK) | BIT(TIMER_ASYNC_OFF))
+ & ehci->actions))
+ return;
+
if (!test_and_set_bit (action, &ehci->actions)) {
unsigned long t;
switch (action) {
- case TIMER_IAA_WATCHDOG:
- t = EHCI_IAA_JIFFIES;
- break;
case TIMER_IO_WATCHDOG:
t = EHCI_IO_JIFFIES;
break;
t = EHCI_SHRINK_JIFFIES;
break;
}
- t += jiffies;
- // all timings except IAA watchdog can be overridden.
- // 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
- && timer_pending (&ehci->watchdog))
- return;
- mod_timer (&ehci->watchdog, t);
+ mod_timer(&ehci->watchdog, t + jiffies);
}
}
* trusting urb->interval == f(epdesc->bInterval) and
* including the extra info for hw_bufp[0..2]
*/
- u8 interval;
u8 usecs, c_usecs;
+ u16 interval;
u16 tt_usecs;
u16 maxp;
u16 raw_mask;
unsigned frame; /* where scheduled */
unsigned pg;
unsigned index[8]; /* in urb->iso_frame_desc */
- u8 usecs[8];
} __attribute__ ((aligned (32)));
/*-------------------------------------------------------------------------*/
* needed (mostly in root hub code).
*/
-#define ehci_is_TDI(e) ((e)->is_tdi_rh_tt)
+#define ehci_is_TDI(e) (ehci_to_hcd(e)->has_tt)
/* Returns the speed of a device attached to a port on the root hub. */
static inline unsigned int
* 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)
{