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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.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 55c0785810c9..53df4e70ca07 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1256,6 +1256,16 @@ struct xhci_td {
union xhci_trb *last_trb;
};
+/* xHCI command default timeout value */
+#define XHCI_CMD_DEFAULT_TIMEOUT (5 * HZ)
+
+/* command descriptor */
+struct xhci_cd {
+ struct list_head cancel_cmd_list;
+ struct xhci_command *command;
+ union xhci_trb *cmd_trb;
+};
+
struct xhci_dequeue_state {
struct xhci_segment *new_deq_seg;
union xhci_trb *new_deq_ptr;
@@ -1421,6 +1431,11 @@ struct xhci_hcd {
/* data structures */
struct xhci_device_context_array *dcbaa;
struct xhci_ring *cmd_ring;
+ unsigned int cmd_ring_state;
+#define CMD_RING_STATE_RUNNING (1 << 0)
+#define CMD_RING_STATE_ABORTED (1 << 1)
+#define CMD_RING_STATE_STOPPED (1 << 2)
+ struct list_head cancel_cmd_list;
unsigned int cmd_ring_reserved_trbs;
struct xhci_ring *event_ring;
struct xhci_erst erst;
@@ -1494,6 +1509,9 @@ struct xhci_hcd {
#define XHCI_TRUST_TX_LENGTH (1 << 10)
#define XHCI_LPM_SUPPORT (1 << 11)
#define XHCI_INTEL_HOST (1 << 12)
+#define XHCI_SPURIOUS_REBOOT (1 << 13)
+#define XHCI_COMP_MODE_QUIRK (1 << 14)
+#define XHCI_AVOID_BEI (1 << 15)
unsigned int num_active_eps;
unsigned int limit_active_eps;
/* There are two roothubs to keep track of bus suspend info for */
@@ -1510,6 +1528,11 @@ struct xhci_hcd {
unsigned sw_lpm_support:1;
/* support xHCI 1.0 spec USB2 hardware LPM */
unsigned hw_lpm_support:1;
+ /* Compliance Mode Recovery Data */
+ struct timer_list comp_mode_recovery_timer;
+ u32 port_status_u0;
+/* Compliance Mode Timer Triggered every 2 seconds */
+#define COMP_MODE_RCVRY_MSECS 2000
};
/* convert between an HCD pointer and the corresponding EHCI_HCD */
@@ -1537,6 +1560,8 @@ static inline struct usb_hcd *xhci_to_hcd(struct xhci_hcd *xhci)
dev_err(xhci_to_hcd(xhci)->self.controller , fmt , ## args)
#define xhci_warn(xhci, fmt, args...) \
dev_warn(xhci_to_hcd(xhci)->self.controller , fmt , ## args)
+#define xhci_warn_ratelimited(xhci, fmt, args...) \
+ dev_warn_ratelimited(xhci_to_hcd(xhci)->self.controller , fmt , ## args)
/* TODO: copied from ehci.h - can be refactored? */
/* xHCI spec says all registers are little endian */
@@ -1695,6 +1720,8 @@ static inline void xhci_unregister_plat(void)
/* xHCI host controller glue */
typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *);
+int handshake(struct xhci_hcd *xhci, void __iomem *ptr,
+ u32 mask, u32 done, int usec);
void xhci_quiesce(struct xhci_hcd *xhci);
int xhci_halt(struct xhci_hcd *xhci);
int xhci_reset(struct xhci_hcd *xhci);
@@ -1785,6 +1812,8 @@ void xhci_queue_config_ep_quirk(struct xhci_hcd *xhci,
unsigned int slot_id, unsigned int ep_index,
struct xhci_dequeue_state *deq_state);
void xhci_stop_endpoint_command_watchdog(unsigned long arg);
+int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command,
+ union xhci_trb *cmd_trb);
void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id,
unsigned int ep_index, unsigned int stream_id);