diff options
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 4ef6b9e8850..fc8dcd2aa77 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -448,6 +448,9 @@ struct xhci_doorbell_array { #define DB_STREAM_ID_HOST 0x0 #define DB_MASK (0xff << 8) +/* Endpoint Target - bits 0:7 */ +#define EPI_TO_DB(p) (((p) + 1) & 0xff) + /** * struct xhci_slot_ctx @@ -552,13 +555,18 @@ struct xhci_ep_ctx { * 4 - TRB error * 5-7 - reserved */ -#define EP_STATE (0xf) +#define EP_STATE_MASK (0xf) +#define EP_STATE_DISABLED 0 +#define EP_STATE_RUNNING 1 +#define EP_STATE_HALTED 2 +#define EP_STATE_STOPPED 3 +#define EP_STATE_ERROR 4 /* Mult - Max number of burtst within an interval, in EP companion desc. */ #define EP_MULT(p) ((p & 0x3) << 8) /* bits 10:14 are Max Primary Streams */ /* bit 15 is Linear Stream Array */ /* Interval - period between requests to an endpoint - 125u increments. */ -#define EP_INTERVAL (0xff << 16) +#define EP_INTERVAL (0xff << 16) /* ep_info2 bitmasks */ /* @@ -618,7 +626,6 @@ struct xhci_virt_device { dma_addr_t in_ctx_dma; /* FIXME when stream support is added */ struct xhci_ring *ep_rings[31]; - dma_addr_t ep_dma[31]; /* Status of the last command issued for this device */ u32 cmd_status; }; @@ -657,6 +664,9 @@ struct xhci_transfer_event { u32 flags; } __attribute__ ((packed)); +/** Transfer Event bit fields **/ +#define TRB_TO_EP_ID(p) (((p) >> 16) & 0x1f) + /* Completion Code - only applicable for some types of TRBs */ #define COMP_CODE_MASK (0xff << 24) #define GET_COMP_CODE(p) (((p) & COMP_CODE_MASK) >> 24) @@ -877,6 +887,12 @@ union xhci_trb { #define TRBS_PER_SEGMENT 64 #define SEGMENT_SIZE (TRBS_PER_SEGMENT*16) +struct xhci_td { + struct list_head td_list; + struct urb *urb; + union xhci_trb *last_trb; +}; + struct xhci_segment { union xhci_trb *trbs; /* private to HCD */ @@ -892,6 +908,7 @@ struct xhci_ring { union xhci_trb *dequeue; struct xhci_segment *deq_seg; unsigned int deq_updates; + struct list_head td_list; /* * Write the cycle state into the TRB cycle field to give ownership of * the TRB to the host controller (if we are the producer), or to check @@ -1042,6 +1059,8 @@ void xhci_print_ir_set(struct xhci_hcd *xhci, struct intr_reg *ir_set, int set_n 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); +void xhci_print_trb_offsets(struct xhci_hcd *xhci, union xhci_trb *trb); +void xhci_debug_trb(struct xhci_hcd *xhci, union xhci_trb *trb); void xhci_debug_segment(struct xhci_hcd *xhci, struct xhci_segment *seg); void xhci_debug_ring(struct xhci_hcd *xhci, struct xhci_ring *ring); void xhci_dbg_erst(struct xhci_hcd *xhci, struct xhci_erst *erst); @@ -1055,6 +1074,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags); void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id); int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id, struct usb_device *udev, gfp_t flags); int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *udev); +unsigned int xhci_get_endpoint_index(struct usb_endpoint_descriptor *desc); #ifdef CONFIG_PCI /* xHCI PCI glue */ @@ -1074,6 +1094,8 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd); int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev); void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev); int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev); +int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags); +int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status); /* xHCI ring, segment, TRB, and TD functions */ dma_addr_t trb_virt_to_dma(struct xhci_segment *seg, union xhci_trb *trb); @@ -1083,6 +1105,7 @@ void handle_event(struct xhci_hcd *xhci); void set_hc_event_deq(struct xhci_hcd *xhci); int queue_slot_control(struct xhci_hcd *xhci, u32 trb_type, u32 slot_id); int queue_address_device(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr, u32 slot_id); +int queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct urb *urb, int slot_id, unsigned int ep_index); /* xHCI roothub code */ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, |