mmc: basic SDIO device model
Add the sdio bus type and basic device handling.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 43480eb..9f5f744 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -56,6 +56,9 @@
};
struct mmc_host;
+struct sdio_func;
+
+#define SDIO_MAX_FUNCS 7
/*
* MMC device
@@ -73,6 +76,7 @@
#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_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)