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| author | Pierre Ossman <drzeus@drzeus.cx> | 2007-05-27 12:57:15 +0200 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-09-23 19:57:03 +0200 |
| commit | 46f555f2731a14545a09ec06d27bd18e8e07069f (patch) | |
| tree | 49b7050322d21b39a81bd383f4b697fb6268d454 /include/linux/mmc | |
| parent | f76c85154d320497bf1a939a98d6c432edcbd4a9 (diff) | |
| download | lwn-46f555f2731a14545a09ec06d27bd18e8e07069f.tar.gz lwn-46f555f2731a14545a09ec06d27bd18e8e07069f.zip | |
mmc: add basic SDIO I/O operations
Add command wrappers that simplify register access from SDIO
function drivers.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/sdio_func.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h index 13a1a9ca4b66..5c56df196287 100644 --- a/include/linux/mmc/sdio_func.h +++ b/include/linux/mmc/sdio_func.h @@ -49,5 +49,17 @@ struct sdio_driver { extern int sdio_register_driver(struct sdio_driver *); extern void sdio_unregister_driver(struct sdio_driver *); +/* + * SDIO I/O operations + */ +extern void sdio_claim_host(struct sdio_func *func); +extern void sdio_release_host(struct sdio_func *func); + +extern unsigned char sdio_readb(struct sdio_func *func, + unsigned int addr, int *err_ret); + +extern void sdio_writeb(struct sdio_func *func, unsigned char b, + unsigned int addr, int *err_ret); + #endif |