xhci: Workaround for PME stuck issues in Intel xhci

[pandora-kernel.git] / drivers / usb / host / xhci.h

diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 1bc91c8..efbdf83 100644 (file)
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1,3 +1,4 @@
+
 /*
  * xHCI host controller driver
  *
@@ -88,9 +89,10 @@ struct xhci_cap_regs {
 #define HCS_IST(p)             (((p) >> 0) & 0xf)
 /* bits 4:7, max number of Event Ring segments */
 #define HCS_ERST_MAX(p)                (((p) >> 4) & 0xf)
+/* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */
 /* bit 26 Scratchpad restore - for save/restore HW state - not used yet */
-/* bits 27:31 number of Scratchpad buffers SW must allocate for the HW */
-#define HCS_MAX_SCRATCHPAD(p)   (((p) >> 27) & 0x1f)
+/* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */
+#define HCS_MAX_SCRATCHPAD(p)   ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f))
 
 /* HCSPARAMS3 - hcs_params3 - bitmasks */
 /* bits 0:7, Max U1 to U0 latency for the roothub ports */
@@ -1255,6 +1257,8 @@ struct xhci_td {
        struct xhci_segment     *start_seg;
        union xhci_trb          *first_trb;
        union xhci_trb          *last_trb;
+       /* actual_length of the URB has already been set */
+       bool                    urb_length_set;
 };
 
 /* xHCI command default timeout value */
@@ -1493,6 +1497,7 @@ struct xhci_hcd {
 #define XHCI_AVOID_BEI         (1 << 15)
 #define XHCI_SLOW_SUSPEND      (1 << 17)
 #define XHCI_SPURIOUS_WAKEUP   (1 << 18)
+#define XHCI_PME_STUCK_QUIRK   (1 << 20)
        unsigned int            num_active_eps;
        unsigned int            limit_active_eps;
        /* There are two roothubs to keep track of bus suspend info for */
@@ -1698,7 +1703,7 @@ void xhci_shutdown(struct usb_hcd *hcd);
 int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks);
 
 #ifdef CONFIG_PM
-int xhci_suspend(struct xhci_hcd *xhci);
+int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup);
 int xhci_resume(struct xhci_hcd *xhci, bool hibernated);
 #else
 #define        xhci_suspend    NULL