diff options
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 93d3bf4d213..7f236fd2201 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -436,22 +436,36 @@ 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) +#define DB_VALUE(ep, stream) ((((ep) + 1) & 0xff) | ((stream) << 16)) +#define DB_VALUE_HOST 0x00000000 -/* Endpoint Target - bits 0:7 */ -#define EPI_TO_DB(p) (((p) + 1) & 0xff) -#define STREAM_ID_TO_DB(p) (((p) & 0xffff) << 16) +/** + * struct xhci_protocol_caps + * @revision: major revision, minor revision, capability ID, + * and next capability pointer. + * @name_string: Four ASCII characters to say which spec this xHC + * follows, typically "USB ". + * @port_info: Port offset, count, and protocol-defined information. + */ +struct xhci_protocol_caps { + u32 revision; + u32 name_string; + u32 port_info; +}; +#define XHCI_EXT_PORT_MAJOR(x) (((x) >> 24) & 0xff) +#define XHCI_EXT_PORT_OFF(x) ((x) & 0xff) +#define XHCI_EXT_PORT_COUNT(x) (((x) >> 8) & 0xff) /** * struct xhci_container_ctx @@ -621,6 +635,11 @@ struct xhci_ep_ctx { #define MAX_PACKET_MASK (0xffff << 16) #define MAX_PACKET_DECODED(p) (((p) >> 16) & 0xffff) +/* Get max packet size from ep desc. Bit 10..0 specify the max packet size. + * USB2.0 spec 9.6.6. + */ +#define GET_MAX_PACKET(p) ((p) & 0x7ff) + /* tx_info bitmasks */ #define AVG_TRB_LENGTH_FOR_EP(p) ((p) & 0xffff) #define MAX_ESIT_PAYLOAD_FOR_EP(p) (((p) & 0xffff) << 16) @@ -1235,6 +1254,14 @@ struct xhci_hcd { u32 suspended_ports[8]; /* which ports are suspended */ unsigned long resume_done[MAX_HC_PORTS]; + /* 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 */ + u32 __iomem **usb3_ports; + unsigned int num_usb3_ports; + /* Array of pointers to USB 2.0 PORTSC registers */ + u32 __iomem **usb2_ports; + unsigned int num_usb2_ports; }; /* For testing purposes */ |