mmc: core: add eMMC hardware reset support

[pandora-kernel.git] / include / linux / mmc / core.h

diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index b6718e5..56e5625 100644 (file)
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -117,6 +117,7 @@ struct mmc_data {
 
        unsigned int            sg_len;         /* size of scatter list */
        struct scatterlist      *sg;            /* I/O scatter list */
+       s32                     host_cookie;    /* host private data */
 };
 
 struct mmc_request {
@@ -125,13 +126,16 @@ struct mmc_request {
        struct mmc_data         *data;
        struct mmc_command      *stop;
 
-       void                    *done_data;     /* completion data */
+       struct completion       completion;
        void                    (*done)(struct mmc_request *);/* completion function */
 };
 
 struct mmc_host;
 struct mmc_card;
+struct mmc_async_req;
 
+extern struct mmc_async_req *mmc_start_req(struct mmc_host *,
+                                          struct mmc_async_req *, int *);
 extern void mmc_wait_for_req(struct mmc_host *, struct mmc_request *);
 extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int);
 extern int mmc_app_cmd(struct mmc_host *, struct mmc_card *);
@@ -155,8 +159,12 @@ extern int mmc_can_trim(struct mmc_card *card);
 extern int mmc_can_secure_erase_trim(struct mmc_card *card);
 extern int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from,
                                   unsigned int nr);
+extern unsigned int mmc_calc_max_discard(struct mmc_card *card);
 
 extern int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen);
+extern int mmc_hw_reset(struct mmc_host *host);
+extern int mmc_hw_reset_check(struct mmc_host *host);
+extern int mmc_can_reset(struct mmc_card *card);
 
 extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *);
 extern unsigned int mmc_align_data_size(struct mmc_card *, unsigned int);
@@ -179,4 +187,4 @@ static inline void mmc_claim_host(struct mmc_host *host)
 
 extern u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max);
 
-#endif
+#endif /* LINUX_MMC_CORE_H */