diff options
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index dbda41e..17d4d44 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -56,6 +56,7 @@ * @hcc_params: HCCPARAMS - Capability Parameters * @db_off: DBOFF - Doorbell array offset * @run_regs_off: RTSOFF - Runtime register space offset + * @hcc_params2: HCCPARAMS2 Capability Parameters 2, xhci 1.1 only */ struct xhci_cap_regs { __le32 hc_capbase; @@ -65,6 +66,7 @@ struct xhci_cap_regs { __le32 hcc_params; __le32 db_off; __le32 run_regs_off; + __le32 hcc_params2; /* xhci 1.1 */ /* Reserved up to (CAPLENGTH - 0x1C) */ }; @@ -134,6 +136,21 @@ struct xhci_cap_regs { /* run_regs_off bitmask - bits 0:4 reserved */ #define RTSOFF_MASK (~0x1f) +/* HCCPARAMS2 - hcc_params2 - bitmasks */ +/* true: HC supports U3 entry Capability */ +#define HCC2_U3C(p) ((p) & (1 << 0)) +/* true: HC supports Configure endpoint command Max exit latency too large */ +#define HCC2_CMC(p) ((p) & (1 << 1)) +/* true: HC supports Force Save context Capability */ +#define HCC2_FSC(p) ((p) & (1 << 2)) +/* true: HC supports Compliance Transition Capability */ +#define HCC2_CTC(p) ((p) & (1 << 3)) +/* true: HC support Large ESIT payload Capability > 48k */ +#define HCC2_LEC(p) ((p) & (1 << 4)) +/* true: HC support Configuration Information Capability */ +#define HCC2_CIC(p) ((p) & (1 << 5)) +/* true: HC support Extended TBC Capability, Isoc burst count > 65535 */ +#define HCC2_ETC(p) ((p) & (1 << 6)) /* Number of registers per port */ #define NUM_PORT_REGS 4 @@ -269,7 +286,11 @@ struct xhci_op_regs { /* CONFIG - Configure Register - config_reg bitmasks */ /* bits 0:7 - maximum number of device slots enabled (NumSlotsEn) */ #define MAX_DEVS(p) ((p) & 0xff) -/* bits 8:31 - reserved and should be preserved */ +/* bit 8: U3 Entry Enabled, assert PLC when root port enters U3, xhci 1.1 */ +#define CONFIG_U3E (1 << 8) +/* bit 9: Configuration Information Enable, xhci 1.1 */ +#define CONFIG_CIE (1 << 9) +/* bits 10:31 - reserved and should be preserved */ /* PORTSC - Port Status and Control Register - port_status_base bitmasks */ /* true: device connected */ @@ -1465,6 +1486,7 @@ struct xhci_hcd { __u32 hcs_params2; __u32 hcs_params3; __u32 hcc_params; + __u32 hcc_params2; spinlock_t lock; |