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| author |   Pierre Ossman <drzeus@drzeus.cx> | 2007-05-26 13:48:18 +0200 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-09-23 19:45:31 +0200 |
| commit | e29a7d73f4277eb92aa64e17017dea33460828ef (patch) | |
| tree | 0b8cfe6d145f41c43f86b475fff86627a305af1e /include/linux/mmc | |
| parent | mmc: implement SDIO IO_RW_DIRECT operation (diff) | |
| download | linux-dev-e29a7d73f4277eb92aa64e17017dea33460828ef.tar.xz linux-dev-e29a7d73f4277eb92aa64e17017dea33460828ef.zip | |
mmc: basic SDIO device model
Add the sdio bus type and basic device handling.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/card.h | 7 | ||||
| -rw-r--r-- | include/linux/mmc/sdio_func.h | 35 |
2 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 43480ebebf9a..9f5f74482d98 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -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) diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h new file mode 100644 index 000000000000..50c78db420e6 --- /dev/null +++ b/include/linux/mmc/sdio_func.h @@ -0,0 +1,35 @@ +/* + * include/linux/mmc/sdio_func.h + * + * Copyright 2007 Pierre Ossman + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + */ + +#ifndef MMC_SDIO_FUNC_H +#define MMC_SDIO_FUNC_H + +struct mmc_card; + +/* + * SDIO function devices + */ +struct sdio_func { + struct mmc_card *card; /* the card this device belongs to */ + struct device dev; /* the device */ + unsigned int num; /* function number */ + unsigned int state; /* function state */ +#define SDIO_STATE_PRESENT (1<<0) /* present in sysfs */ +}; + +#define sdio_func_present(f) ((f)->state & SDIO_STATE_PRESENT) + +#define sdio_func_set_present(f) ((f)->state |= SDIO_STATE_PRESENT) + +#define sdio_func_id(f) ((f)->dev.bus_id) + +#endif + |