diff options
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 71 |
1 files changed, 44 insertions, 27 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 170c367112d2..711de253bc0f 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -436,22 +436,18 @@ struct xhci_run_regs { /** * struct doorbell_array * + * Bits 0 - 7: Endpoint target + * Bits 8 - 15: RsvdZ + * Bits 16 - 31: Stream ID + * * Section 5.6 */ struct xhci_doorbell_array { u32 doorbell[256]; }; -#define DB_TARGET_MASK 0xFFFFFF00 -#define DB_STREAM_ID_MASK 0x0000FFFF -#define DB_TARGET_HOST 0x0 -#define DB_STREAM_ID_HOST 0x0 -#define DB_MASK (0xff << 8) - -/* Endpoint Target - bits 0:7 */ -#define EPI_TO_DB(p) (((p) + 1) & 0xff) -#define STREAM_ID_TO_DB(p) (((p) & 0xffff) << 16) - +#define DB_VALUE(ep, stream) ((((ep) + 1) & 0xff) | ((stream) << 16)) +#define DB_VALUE_HOST 0x00000000 /** * struct xhci_protocol_caps @@ -648,6 +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 @@ -750,6 +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 @@ -1165,8 +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; @@ -1228,9 +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!" @@ -1246,18 +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 */ @@ -1268,18 +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 @@ -1352,7 +1369,7 @@ static inline int xhci_link_trb_quirk(struct xhci_hcd *xhci) } /* xHCI debugging */ -void xhci_print_ir_set(struct xhci_hcd *xhci, struct xhci_intr_reg *ir_set, int set_num); +void xhci_print_ir_set(struct xhci_hcd *xhci, int set_num); void xhci_print_registers(struct xhci_hcd *xhci); void xhci_dbg_regs(struct xhci_hcd *xhci); void xhci_print_run_regs(struct xhci_hcd *xhci); @@ -1475,7 +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); @@ -1529,7 +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 */ |