diff options
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 66be134b892..059c659d3f3 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -35,6 +35,8 @@ /* Max number of USB devices for any host controller - limit in section 6.1 */ #define MAX_HC_SLOTS 256 +/* Section 5.3.3 - MaxPorts */ +#define MAX_HC_PORTS 127 /* * xHCI register interface. @@ -710,6 +712,10 @@ struct xhci_event_cmd { } __attribute__ ((packed)); +/* Port Status Change Event TRB fields */ +/* Port ID - bits 31:24 */ +#define GET_PORT_ID(p) (((p) & (0xff << 24)) >> 24) + /* Normal TRB fields */ /* transfer_len bitmasks - bits 0:16 */ #define TRB_LEN(p) ((p) & 0x1ffff) @@ -1024,4 +1030,9 @@ void *setup_one_noop(struct xhci_hcd *xhci); void handle_event(struct xhci_hcd *xhci); void set_hc_event_deq(struct xhci_hcd *xhci); +/* xHCI roothub code */ +int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, + char *buf, u16 wLength); +int xhci_hub_status_data(struct usb_hcd *hcd, char *buf); + #endif /* __LINUX_XHCI_HCD_H */ |