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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-09-08 05:37:58 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-09-08 05:37:58 -0400 |
| commit | 5a2cec83a9bb1b4295aa8ab728fcb8ca1811a33c (patch) | |
| tree | 2f83dc6949763e77cf6422e696dc6146684dcf4e /include/linux/mmc/host.h | |
| parent | f2c853bca542f5ac0b036377637192a74f2091c2 (diff) | |
| parent | caf39e87cc1182f7dae84eefc43ca14d54c78ef9 (diff) | |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'include/linux/mmc/host.h')
| -rw-r--r-- | include/linux/mmc/host.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 30f68c0c8c6e..6014160d9c06 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -57,11 +57,17 @@ struct mmc_ios { #define MMC_POWER_OFF 0 #define MMC_POWER_UP 1 #define MMC_POWER_ON 2 + + unsigned char bus_width; /* data bus width */ + +#define MMC_BUS_WIDTH_1 0 +#define MMC_BUS_WIDTH_4 2 }; struct mmc_host_ops { void (*request)(struct mmc_host *host, struct mmc_request *req); void (*set_ios)(struct mmc_host *host, struct mmc_ios *ios); + int (*get_ro)(struct mmc_host *host); }; struct mmc_card; @@ -76,6 +82,10 @@ struct mmc_host { unsigned int f_max; u32 ocr_avail; + unsigned long caps; /* Host capabilities */ + +#define MMC_CAP_4_BIT_DATA (1 << 0) /* Can the host do 4 bit transfers */ + /* host specific block data */ unsigned int max_seg_size; /* see blk_queue_max_segment_size */ unsigned short max_hw_segs; /* see blk_queue_max_hw_segments */ @@ -87,6 +97,10 @@ struct mmc_host { struct mmc_ios ios; /* current io bus settings */ u32 ocr; /* the current OCR setting */ + unsigned int mode; /* current card mode of host */ +#define MMC_MODE_MMC 0 +#define MMC_MODE_SD 1 + struct list_head cards; /* devices attached to this host */ wait_queue_head_t wq; |