diff options
Diffstat (limited to 'include/linux/mmc/host.h')
| -rw-r--r-- | include/linux/mmc/host.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 8c5f71376e4..6014160d9c0 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -57,6 +57,11 @@ 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 { @@ -77,6 +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 */ |