From 112c9db91ee6bf19eca7cbb6854be3127381c229 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Fri, 6 Jul 2007 13:35:01 +0200 Subject: sdio: support IO_RW_EXTENDED Support the multi-byte transfer operation, including handlers for common operations like writel()/readl(). Signed-off-by: Pierre Ossman --- include/linux/mmc/sdio_func.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'include/linux/mmc/sdio_func.h') diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h index a8d268c9c27..af813fffc4a 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 -- cgit v1.2.3