diff options
Diffstat (limited to 'include/linux/mmc/host.h')
| -rw-r--r-- | include/linux/mmc/host.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index f90f674eb3b..6014160d9c0 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -46,16 +46,28 @@ struct mmc_ios { #define MMC_BUSMODE_OPENDRAIN 1 #define MMC_BUSMODE_PUSHPULL 2 + unsigned char chip_select; /* SPI chip select */ + +#define MMC_CS_DONTCARE 0 +#define MMC_CS_HIGH 1 +#define MMC_CS_LOW 2 + unsigned char power_mode; /* power supply mode */ #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; @@ -63,11 +75,16 @@ struct device; struct mmc_host { struct device *dev; + struct class_device class_dev; + int index; struct mmc_host_ops *ops; unsigned int f_min; unsigned int f_max; u32 ocr_avail; - char host_name[8]; + + 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 */ @@ -80,6 +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; @@ -97,6 +118,7 @@ extern void mmc_free_host(struct mmc_host *); #define mmc_priv(x) ((void *)((x) + 1)) #define mmc_dev(x) ((x)->dev) +#define mmc_hostname(x) ((x)->class_dev.class_id) extern int mmc_suspend_host(struct mmc_host *, pm_message_t); extern int mmc_resume_host(struct mmc_host *); |