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path: root/drivers/usb/host/xhci.h
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Diffstat (limited to 'drivers/usb/host/xhci.h')
-rw-r--r--drivers/usb/host/xhci.h53
1 files changed, 37 insertions, 16 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 7f127df6dd5..711de253bc0 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -644,6 +644,9 @@ struct xhci_ep_ctx {
#define AVG_TRB_LENGTH_FOR_EP(p) ((p) & 0xffff)
#define MAX_ESIT_PAYLOAD_FOR_EP(p) (((p) & 0xffff) << 16)
+/* deq bitmasks */
+#define EP_CTX_CYCLE_MASK (1 << 0)
+
/**
* struct xhci_input_control_context
@@ -746,6 +749,12 @@ struct xhci_virt_ep {
struct timer_list stop_cmd_timer;
int stop_cmds_pending;
struct xhci_hcd *xhci;
+ /* Dequeue pointer and dequeue segment for a submitted Set TR Dequeue
+ * command. We'll need to update the ring's dequeue segment and dequeue
+ * pointer after the command completes.
+ */
+ struct xhci_segment *queued_deq_seg;
+ union xhci_trb *queued_deq_ptr;
/*
* Sometimes the xHC can not process isochronous endpoint ring quickly
* enough, and it will miss some isoc tds on the ring and generate
@@ -1161,8 +1170,29 @@ struct s3_save {
u64 erst_dequeue;
};
+struct xhci_bus_state {
+ unsigned long bus_suspended;
+ unsigned long next_statechange;
+
+ /* Port suspend arrays are indexed by the portnum of the fake roothub */
+ /* ports suspend status arrays - max 31 ports for USB2, 15 for USB3 */
+ u32 port_c_suspend;
+ u32 suspended_ports;
+ unsigned long resume_done[USB_MAXCHILDREN];
+};
+
+static inline unsigned int hcd_index(struct usb_hcd *hcd)
+{
+ if (hcd->speed == HCD_USB3)
+ return 0;
+ else
+ return 1;
+}
+
/* There is one ehci_hci structure per controller */
struct xhci_hcd {
+ struct usb_hcd *main_hcd;
+ struct usb_hcd *shared_hcd;
/* glue to PCI and HCD framework */
struct xhci_cap_regs __iomem *cap_regs;
struct xhci_op_regs __iomem *op_regs;
@@ -1224,9 +1254,6 @@ struct xhci_hcd {
/* Host controller watchdog timer structures */
unsigned int xhc_state;
- unsigned long bus_suspended;
- unsigned long next_statechange;
-
u32 command;
struct s3_save s3;
/* Host controller is dying - not responding to commands. "I'm not dead yet!"
@@ -1242,18 +1269,15 @@ struct xhci_hcd {
* There are no reports of xHCI host controllers that display this issue.
*/
#define XHCI_STATE_DYING (1 << 0)
+#define XHCI_STATE_HALTED (1 << 1)
/* Statistics */
- int noops_submitted;
- int noops_handled;
int error_bitmask;
unsigned int quirks;
#define XHCI_LINK_TRB_QUIRK (1 << 0)
#define XHCI_RESET_EP_QUIRK (1 << 1)
#define XHCI_NEC_HOST (1 << 2)
- u32 port_c_suspend[8]; /* port suspend change*/
- u32 suspended_ports[8]; /* which ports are
- suspended */
- unsigned long resume_done[MAX_HC_PORTS];
+ /* There are two roothubs to keep track of bus suspend info for */
+ struct xhci_bus_state bus_state[2];
/* Is each xHCI roothub port a USB 3.0, USB 2.0, or USB 1.1 port? */
u8 *port_array;
/* Array of pointers to USB 3.0 PORTSC registers */
@@ -1264,18 +1288,15 @@ struct xhci_hcd {
unsigned int num_usb2_ports;
};
-/* For testing purposes */
-#define NUM_TEST_NOOPS 0
-
/* convert between an HCD pointer and the corresponding EHCI_HCD */
static inline struct xhci_hcd *hcd_to_xhci(struct usb_hcd *hcd)
{
- return (struct xhci_hcd *) (hcd->hcd_priv);
+ return *((struct xhci_hcd **) (hcd->hcd_priv));
}
static inline struct usb_hcd *xhci_to_hcd(struct xhci_hcd *xhci)
{
- return container_of((void *) xhci, struct usb_hcd, hcd_priv);
+ return xhci->main_hcd;
}
#ifdef CONFIG_USB_XHCI_HCD_DEBUGGING
@@ -1471,7 +1492,6 @@ struct xhci_segment *trb_in_td(struct xhci_segment *start_seg,
dma_addr_t suspect_dma);
int xhci_is_vendor_info_code(struct xhci_hcd *xhci, unsigned int trb_comp_code);
void xhci_ring_cmd_db(struct xhci_hcd *xhci);
-void *xhci_setup_one_noop(struct xhci_hcd *xhci);
int xhci_queue_slot_control(struct xhci_hcd *xhci, u32 trb_type, u32 slot_id);
int xhci_queue_address_device(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr,
u32 slot_id);
@@ -1525,7 +1545,8 @@ int xhci_bus_resume(struct usb_hcd *hcd);
#endif /* CONFIG_PM */
u32 xhci_port_state_to_neutral(u32 state);
-int xhci_find_slot_id_by_port(struct xhci_hcd *xhci, u16 port);
+int xhci_find_slot_id_by_port(struct usb_hcd *hcd, struct xhci_hcd *xhci,
+ u16 port);
void xhci_ring_device(struct xhci_hcd *xhci, int slot_id);
/* xHCI contexts */