In preparation for USB 3.2 dual-lane support, add sublink speed attribute macros and enum usb_ssp_rate. A USB device that operates in SuperSpeed Plus may operate at different speed and lane count. These additional macros and enum values help specifying that.
Showing the changes to include/uapi (1 of 2 files). Show all
Unified · Split
| @@ -968,9 +968,22 @@ struct usb_ssp_cap_descriptor { · 967 unmodified lines | ||
| 968 | 968 | __le32 bmSublinkSpeedAttr[1]; /* list of sublink speed attrib entries */ |
| 969 | 969 | #define USB_SSP_SUBLINK_SPEED_SSID (0xf) /* sublink speed ID */ |
| 970 | 970 | #define USB_SSP_SUBLINK_SPEED_LSE (0x3 << 4) /* Lanespeed exponent */ |
| 971 | +#define USB_SSP_SUBLINK_SPEED_LSE_BPS 0 | |
| 972 | +#define USB_SSP_SUBLINK_SPEED_LSE_KBPS 1 | |
| 973 | +#define USB_SSP_SUBLINK_SPEED_LSE_MBPS 2 | |
| 974 | +#define USB_SSP_SUBLINK_SPEED_LSE_GBPS 3 | |
| 975 | + | |
| 971 | 976 | #define USB_SSP_SUBLINK_SPEED_ST (0x3 << 6) /* Sublink type */ |
| 977 | +#define USB_SSP_SUBLINK_SPEED_ST_SYM_RX 0 | |
| 978 | +#define USB_SSP_SUBLINK_SPEED_ST_ASYM_RX 1 | |
| 979 | +#define USB_SSP_SUBLINK_SPEED_ST_SYM_TX 2 | |
| 980 | +#define USB_SSP_SUBLINK_SPEED_ST_ASYM_TX 3 | |
| 981 | + | |
| 972 | 982 | #define USB_SSP_SUBLINK_SPEED_RSVD (0x3f << 8) /* Reserved */ |
| 973 | 983 | #define USB_SSP_SUBLINK_SPEED_LP (0x3 << 14) /* Link protocol */ |
| 984 | +#define USB_SSP_SUBLINK_SPEED_LP_SS 0 | |
| 985 | +#define USB_SSP_SUBLINK_SPEED_LP_SSP 1 | |
| 986 | + | |
| 974 | 987 | #define USB_SSP_SUBLINK_SPEED_LSM (0xff << 16) /* Lanespeed mantissa */ |
| 975 | 988 | } __attribute__((packed)); |
| 976 | 989 | |