diff options
| author | Pierre Ossman <drzeus-list@drzeus.cx> | 2005-09-06 15:18:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-07 16:57:50 -0700 |
| commit | b57c43ad81602589afca3948a5a7121e40026e17 (patch) | |
| tree | 39592e326f498231b39e95c299ad6fcd559341ef /include | |
| parent | a00fc09029f02ca833cf90e5d5625f08c4ac4f51 (diff) | |
[PATCH] sd: SCR register
Read the SD specific SCR register from the card.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmc/card.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 0e9ec01b9c5b..18fc77f682de 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -33,6 +33,13 @@ struct mmc_csd { unsigned int capacity; }; +struct sd_scr { + unsigned char sda_vsn; + unsigned char bus_widths; +#define SD_SCR_BUS_WIDTH_1 (1<<0) +#define SD_SCR_BUS_WIDTH_4 (1<<2) +}; + struct mmc_host; /* @@ -51,8 +58,10 @@ struct mmc_card { #define MMC_STATE_READONLY (1<<4) /* card is read-only */ u32 raw_cid[4]; /* raw card CID */ u32 raw_csd[4]; /* raw card CSD */ + u32 raw_scr[2]; /* raw card SCR */ struct mmc_cid cid; /* card identification */ struct mmc_csd csd; /* card specific */ + struct sd_scr scr; /* extra SD information */ }; #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) |