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| author | Pierre Ossman <drzeus@drzeus.cx> | 2007-07-06 13:35:01 +0200 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-09-23 21:09:34 +0200 |
| commit | 112c9db91ee6bf19eca7cbb6854be3127381c229 (patch) | |
| tree | e2d45c7d18a4a218cc0716d7aef79aa04b73a498 /include/linux/mmc/sdio_func.h | |
| parent | 5ed334a1f8caaae98806d572f78c5802975ea20f (diff) | |
| download | kernel_samsung_smdk4412-112c9db91ee6bf19eca7cbb6854be3127381c229.zip kernel_samsung_smdk4412-112c9db91ee6bf19eca7cbb6854be3127381c229.tar.gz kernel_samsung_smdk4412-112c9db91ee6bf19eca7cbb6854be3127381c229.tar.bz2 | |
sdio: support IO_RW_EXTENDED
Support the multi-byte transfer operation, including handlers for
common operations like writel()/readl().
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'include/linux/mmc/sdio_func.h')
| -rw-r--r-- | include/linux/mmc/sdio_func.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h index a8d268c..af813ff 100644 --- a/include/linux/mmc/sdio_func.h +++ b/include/linux/mmc/sdio_func.h @@ -48,6 +48,8 @@ struct sdio_func { unsigned int state; /* function state */ #define SDIO_STATE_PRESENT (1<<0) /* present in sysfs */ + u8 tmpbuf[4]; /* DMA:able scratch buffer */ + struct sdio_func_tuple *tuples; }; @@ -114,9 +116,27 @@ extern int sdio_release_irq(struct sdio_func *func); extern unsigned char sdio_readb(struct sdio_func *func, unsigned int addr, int *err_ret); +extern unsigned short sdio_readw(struct sdio_func *func, + unsigned int addr, int *err_ret); +extern unsigned long sdio_readl(struct sdio_func *func, + unsigned int addr, int *err_ret); + +extern int sdio_memcpy_fromio(struct sdio_func *func, void *dst, + unsigned int addr, int count); +extern int sdio_readsb(struct sdio_func *func, void *dst, + unsigned int addr, int count); extern void sdio_writeb(struct sdio_func *func, unsigned char b, unsigned int addr, int *err_ret); +extern void sdio_writew(struct sdio_func *func, unsigned short b, + unsigned int addr, int *err_ret); +extern void sdio_writel(struct sdio_func *func, unsigned long b, + unsigned int addr, int *err_ret); + +extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr, + void *src, int count); +extern int sdio_writesb(struct sdio_func *func, unsigned int addr, + void *src, int count); #endif |