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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.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 3d69c4b2b542..de3d6e3e57be 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -362,8 +362,10 @@ struct xhci_op_regs {
* Timeout can be up to 127us. 0xFF means an infinite timeout.
*/
#define PORT_U1_TIMEOUT(p) ((p) & 0xff)
+#define PORT_U1_TIMEOUT_MASK 0xff
/* Inactivity timer value for transitions into U2 */
#define PORT_U2_TIMEOUT(p) (((p) & 0xff) << 8)
+#define PORT_U2_TIMEOUT_MASK (0xff << 8)
/* Bits 24:31 for port testing */
/* USB2 Protocol PORTSPMSC */
@@ -914,6 +916,8 @@ struct xhci_virt_device {
u8 real_port;
struct xhci_interval_bw_table *bw_table;
struct xhci_tt_bw_info *tt_info;
+ /* The current max exit latency for the enabled USB3 link states. */
+ u16 current_mel;
};
/*
@@ -1362,6 +1366,8 @@ struct xhci_bus_state {
u32 suspended_ports;
u32 port_remote_wakeup;
unsigned long resume_done[USB_MAXCHILDREN];
+ /* which ports have started to resume */
+ unsigned long resuming_ports;
};
static inline unsigned int hcd_index(struct usb_hcd *hcd)
@@ -1422,6 +1428,8 @@ struct xhci_hcd {
/* slot enabling and address device helpers */
struct completion addr_dev;
int slot_id;
+ /* For USB 3.0 LPM enable/disable. */
+ struct xhci_command *lpm_command;
/* Internal mirror of the HW's dcbaa */
struct xhci_virt_device *devs[MAX_HC_SLOTS];
/* For keeping track of bandwidth domains per roothub. */
@@ -1479,6 +1487,9 @@ struct xhci_hcd {
#define XHCI_RESET_ON_RESUME (1 << 7)
#define XHCI_SW_BW_CHECKING (1 << 8)
#define XHCI_AMD_0x96_HOST (1 << 9)
+#define XHCI_TRUST_TX_LENGTH (1 << 10)
+#define XHCI_LPM_SUPPORT (1 << 11)
+#define XHCI_INTEL_HOST (1 << 12)
unsigned int num_active_eps;
unsigned int limit_active_eps;
/* There are two roothubs to keep track of bus suspend info for */
@@ -1752,7 +1763,7 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags,
int xhci_queue_configure_endpoint(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr,
u32 slot_id, bool command_must_succeed);
int xhci_queue_evaluate_context(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr,
- u32 slot_id);
+ u32 slot_id, bool command_must_succeed);
int xhci_queue_reset_ep(struct xhci_hcd *xhci, int slot_id,
unsigned int ep_index);
int xhci_queue_reset_device(struct xhci_hcd *xhci, u32 slot_id);
@@ -1776,6 +1787,10 @@ void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id,
/* xHCI roothub code */
void xhci_set_link_state(struct xhci_hcd *xhci, __le32 __iomem **port_array,
int port_id, u32 link_state);
+int xhci_enable_usb3_lpm_timeout(struct usb_hcd *hcd,
+ struct usb_device *udev, enum usb3_link_state state);
+int xhci_disable_usb3_lpm_timeout(struct usb_hcd *hcd,
+ struct usb_device *udev, enum usb3_link_state state);
void xhci_test_and_clear_bit(struct xhci_hcd *xhci, __le32 __iomem **port_array,
int port_id, u32 port_bit);
int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex,