#define LINUX_MMC_CORE_H
#include <linux/interrupt.h>
-#include <linux/device.h>
+#include <linux/completion.h>
struct request;
struct mmc_data;
#define MMC_RSP_CRC (1 << 2) /* expect valid crc */
#define MMC_RSP_BUSY (1 << 3) /* card may send busy */
#define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */
-#define MMC_CMD_MASK (3 << 5) /* command type */
+
+#define MMC_CMD_MASK (3 << 5) /* non-SPI command type */
#define MMC_CMD_AC (0 << 5)
#define MMC_CMD_ADTC (1 << 5)
#define MMC_CMD_BC (2 << 5)
#define MMC_CMD_BCR (3 << 5)
+#define MMC_RSP_SPI_S1 (1 << 7) /* one status byte */
+#define MMC_RSP_SPI_S2 (1 << 8) /* second byte */
+#define MMC_RSP_SPI_B4 (1 << 9) /* four data bytes */
+#define MMC_RSP_SPI_BUSY (1 << 10) /* card may send busy */
+
/*
- * These are the response types, and correspond to valid bit
+ * These are the native response types, and correspond to valid bit
* patterns of the above flags. One additional valid pattern
* is all zeros, which means we don't expect a response.
*/
#define MMC_RSP_R1B (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY)
#define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC)
#define MMC_RSP_R3 (MMC_RSP_PRESENT)
+#define MMC_RSP_R4 (MMC_RSP_PRESENT)
+#define MMC_RSP_R5 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
#define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
#define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
#define mmc_resp_type(cmd) ((cmd)->flags & (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC|MMC_RSP_BUSY|MMC_RSP_OPCODE))
+/*
+ * These are the SPI response types for MMC, SD, and SDIO cards.
+ * Commands return R1, with maybe more info. Zero is an error type;
+ * callers must always provide the appropriate MMC_RSP_SPI_Rx flags.
+ */
+#define MMC_RSP_SPI_R1 (MMC_RSP_SPI_S1)
+#define MMC_RSP_SPI_R1B (MMC_RSP_SPI_S1|MMC_RSP_SPI_BUSY)
+#define MMC_RSP_SPI_R2 (MMC_RSP_SPI_S1|MMC_RSP_SPI_S2)
+#define MMC_RSP_SPI_R3 (MMC_RSP_SPI_S1|MMC_RSP_SPI_B4)
+#define MMC_RSP_SPI_R4 (MMC_RSP_SPI_S1|MMC_RSP_SPI_B4)
+#define MMC_RSP_SPI_R5 (MMC_RSP_SPI_S1|MMC_RSP_SPI_S2)
+#define MMC_RSP_SPI_R7 (MMC_RSP_SPI_S1|MMC_RSP_SPI_B4)
+
+#define mmc_spi_resp_type(cmd) ((cmd)->flags & \
+ (MMC_RSP_SPI_S1|MMC_RSP_SPI_BUSY|MMC_RSP_SPI_S2|MMC_RSP_SPI_B4))
+
/*
* These are the command types.
*/
* actively failing requests
*/
+ unsigned int cmd_timeout_ms; /* in milliseconds */
+
struct mmc_data *data; /* data segment associated with cmd */
struct mmc_request *mrq; /* associated request */
};
#define MMC_DATA_WRITE (1 << 8)
#define MMC_DATA_READ (1 << 9)
#define MMC_DATA_STREAM (1 << 10)
-#define MMC_DATA_MULTI (1 << 11)
unsigned int bytes_xfered;
unsigned int sg_len; /* size of scatter list */
struct scatterlist *sg; /* I/O scatter list */
+ s32 host_cookie; /* host private data */
};
struct mmc_request {
+ struct mmc_command *sbc; /* SET_BLOCK_COUNT for multiblock */
struct mmc_command *cmd;
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 int mmc_interrupt_hpi(struct mmc_card *);
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 *);
extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
struct mmc_command *, int);
+extern int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int);
+
+#define MMC_ERASE_ARG 0x00000000
+#define MMC_SECURE_ERASE_ARG 0x80000000
+#define MMC_TRIM_ARG 0x00000001
+#define MMC_DISCARD_ARG 0x00000003
+#define MMC_SECURE_TRIM1_ARG 0x80000001
+#define MMC_SECURE_TRIM2_ARG 0x80008000
+
+#define MMC_SECURE_ARGS 0x80000000
+#define MMC_TRIM_ARGS 0x00008001
+
+extern int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr,
+ unsigned int arg);
+extern int mmc_can_erase(struct mmc_card *card);
+extern int mmc_can_trim(struct mmc_card *card);
+extern int mmc_can_discard(struct mmc_card *card);
+extern int mmc_can_sanitize(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);
+
+extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort);
+extern void mmc_release_host(struct mmc_host *host);
+extern void mmc_do_release_host(struct mmc_host *host);
+extern int mmc_try_claim_host(struct mmc_host *host);
-extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *, int);
+extern int mmc_flush_cache(struct mmc_card *);
-extern void mmc_claim_host(struct mmc_host *host);
-extern void mmc_release_host(struct mmc_host *host);
+extern int mmc_detect_card_removed(struct mmc_host *host);
+
+/**
+ * mmc_claim_host - exclusively claim a host
+ * @host: mmc host to claim
+ *
+ * Claim a host for a set of operations.
+ */
+static inline void mmc_claim_host(struct mmc_host *host)
+{
+ __mmc_claim_host(host, NULL);
+}
+
+extern u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max);
-#endif
+#endif /* LINUX_MMC_CORE_H */