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authorPierre Ossman <drzeus@drzeus.cx>2007-05-27 12:57:15 +0200
committerPierre Ossman <drzeus@drzeus.cx>2007-09-23 19:57:03 +0200
commit46f555f2731a14545a09ec06d27bd18e8e07069f (patch)
tree49b7050322d21b39a81bd383f4b697fb6268d454 /include/linux/mmc
parentf76c85154d320497bf1a939a98d6c432edcbd4a9 (diff)
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.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index 13a1a9ca4b6..5c56df19628 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