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mmc: basic SDIO device model

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Add the sdio bus type and basic device handling.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
This commit is contained in:
Pierre Ossman 2007-05-26 13:48:18 +02:00
parent b2bcc798bb
commit e29a7d73f4
7 changed files with 279 additions and 15 deletions
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7
include/linux/mmc/card.h
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@ -56,6 +56,9 @@ struct sd_switch_caps {
};
struct mmc_host;
struct sdio_func;
#define SDIO_MAX_FUNCS 7
/*
* MMC device
@ -73,6 +76,7 @@ struct mmc_card {
#define MMC_STATE_READONLY (1<<1) /* card is read-only */
#define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */
#define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */
u32 raw_cid[4]; /* raw card CID */
u32 raw_csd[4]; /* raw card CSD */
u32 raw_scr[2]; /* raw card SCR */
@ -81,6 +85,9 @@ struct mmc_card {
struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */
struct sd_scr scr; /* extra SD information */
struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
unsigned int sdio_funcs; /* number of SDIO functions */
struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
};
#define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)