diff options
Diffstat (limited to 'include/linux/mmc/protocol.h')
| -rw-r--r-- | include/linux/mmc/protocol.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/mmc/protocol.h b/include/linux/mmc/protocol.h index 45c51fd85786..2dce60c43f4b 100644 --- a/include/linux/mmc/protocol.h +++ b/include/linux/mmc/protocol.h @@ -82,6 +82,7 @@ /* class 8 */ /* This is basically the same command as for MMC with some quirks. */ #define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */ +#define SD_SWITCH 6 /* adtc [31:0] See below R1 */ /* Application commands */ #define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */ @@ -101,6 +102,19 @@ */ /* + * SD_SWITCH argument format: + * + * [31] Check (0) or switch (1) + * [30:24] Reserved (0) + * [23:20] Function group 6 + * [19:16] Function group 5 + * [15:12] Function group 4 + * [11:8] Function group 3 + * [7:4] Function group 2 + * [3:0] Function group 1 + */ + +/* MMC status in R1 Type e : error bit @@ -285,6 +299,14 @@ struct _mmc_csd { #define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */ /* + * SCR field definitions + */ + +#define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */ +#define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */ +#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00 */ + +/* * SD bus widths */ #define SD_BUS_WIDTH_1 0 |