aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/host/xhci.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/host/xhci.h')
-rw-r--r--drivers/usb/host/xhci.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 3522f1b..f06ff5f 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1070,6 +1070,9 @@ union xhci_trb {
#define TRB_MFINDEX_WRAP 39
/* TRB IDs 40-47 reserved, 48-63 is vendor-defined */
+#define TRB_TYPE_LINK_LE32(x) (((x) & cpu_to_le32(TRB_TYPE_BITMASK)) == \
+ cpu_to_le32(TRB_TYPE(TRB_LINK)))
+
/* Nec vendor-specific command completion event. */
#define TRB_NEC_CMD_COMP 48
/* Get NEC firmware revision. */
@@ -1111,6 +1114,16 @@ 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;
@@ -1252,6 +1265,11 @@ 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;
@@ -1315,6 +1333,9 @@ struct xhci_hcd {
#define XHCI_BROKEN_MSI (1 << 6)
#define XHCI_RESET_ON_RESUME (1 << 7)
#define XHCI_AMD_0x96_HOST (1 << 9)
+#define XHCI_TRUST_TX_LENGTH (1 << 10)
+#define XHCI_SPURIOUS_REBOOT (1 << 13)
+#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 */
@@ -1490,6 +1511,8 @@ static inline void xhci_unregister_pci(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);
@@ -1573,6 +1596,8 @@ 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);