#ifndef _MMCSD_CORE_H #define _MMCSD_CORE_H #include "FreeRTOS.h" #include "mmcsd_host.h" #include "mmcsd_card.h" #include "mmcsd_cmd.h" #ifdef __cplusplus extern "C" { #endif #ifdef MMCSD_DBG #define mmcsd_dbg(fmt, ...) printf(fmt, ##__VA_ARGS__) #else #define mmcsd_dbg(fmt, ...) #endif struct mmcsd_data { uint32_t blksize; uint32_t blks; uint32_t *buf; int32_t err; uint32_t flags; #define DATA_DIR_WRITE (1 << 0) #define DATA_DIR_READ (1 << 1) #define DATA_STREAM (1 << 2) unsigned int bytes_xfered; struct mmcsd_cmd *stop; /* stop command */ struct mmcsd_req *mrq; /* associated request */ uint32_t timeout_ns; uint32_t timeout_clks; }; struct mmcsd_cmd { uint32_t cmd_code; uint32_t arg; uint32_t resp[4]; uint32_t flags; /*rsponse types *bits:0~3 */ #define RESP_MASK (0xF) #define RESP_NONE (0) #define RESP_R1 (1 << 0) #define RESP_R1B (2 << 0) #define RESP_R2 (3 << 0) #define RESP_R3 (4 << 0) #define RESP_R4 (5 << 0) #define RESP_R6 (6 << 0) #define RESP_R7 (7 << 0) #define RESP_R5 (8 << 0) /*SDIO command response type*/ /*command types *bits:4~5 */ #define CMD_MASK (3 << 4) /* command type */ #define CMD_AC (0 << 4) #define CMD_ADTC (1 << 4) #define CMD_BC (2 << 4) #define CMD_BCR (3 << 4) #define resp_type(cmd) ((cmd)->flags & RESP_MASK) /*spi rsponse types *bits:6~8 */ #define RESP_SPI_MASK (0x7 << 6) #define RESP_SPI_R1 (1 << 6) #define RESP_SPI_R1B (2 << 6) #define RESP_SPI_R2 (3 << 6) #define RESP_SPI_R3 (4 << 6) #define RESP_SPI_R4 (5 << 6) #define RESP_SPI_R5 (6 << 6) #define RESP_SPI_R7 (7 << 6) #define spi_resp_type(cmd) ((cmd)->flags & RESP_SPI_MASK) /* * These are the command types. */ #define cmd_type(cmd) ((cmd)->flags & CMD_MASK) int32_t retries; /* max number of retries */ int32_t err; struct mmcsd_data *data; struct mmcsd_req *mrq; /* associated request */ }; struct mmcsd_req { struct mmcsd_data *data; struct mmcsd_cmd *cmd; struct mmcsd_cmd *stop; }; /*the following is response bit*/ #define R1_OUT_OF_RANGE (1 << 31) /* er, c */ #define R1_ADDRESS_ERROR (1 << 30) /* erx, c */ #define R1_BLOCK_LEN_ERROR (1 << 29) /* er, c */ #define R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */ #define R1_ERASE_PARAM (1 << 27) /* ex, c */ #define R1_WP_VIOLATION (1 << 26) /* erx, c */ #define R1_CARD_IS_LOCKED (1 << 25) /* sx, a */ #define R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */ #define R1_COM_CRC_ERROR (1 << 23) /* er, b */ #define R1_ILLEGAL_COMMAND (1 << 22) /* er, b */ #define R1_CARD_ECC_FAILED (1 << 21) /* ex, c */ #define R1_CC_ERROR (1 << 20) /* erx, c */ #define R1_ERROR (1 << 19) /* erx, c */ #define R1_UNDERRUN (1 << 18) /* ex, c */ #define R1_OVERRUN (1 << 17) /* ex, c */ #define R1_CID_CSD_OVERWRITE (1 << 16) /* erx, c, CID/CSD overwrite */ #define R1_WP_ERASE_SKIP (1 << 15) /* sx, c */ #define R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */ #define R1_ERASE_RESET (1 << 13) /* sr, c */ #define R1_STATUS(x) (x & 0xFFFFE000) #define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */ #define R1_READY_FOR_DATA (1 << 8) /* sx, a */ #define R1_APP_CMD (1 << 5) /* sr, c */ #define R1_SPI_IDLE (1 << 0) #define R1_SPI_ERASE_RESET (1 << 1) #define R1_SPI_ILLEGAL_COMMAND (1 << 2) #define R1_SPI_COM_CRC (1 << 3) #define R1_SPI_ERASE_SEQ (1 << 4) #define R1_SPI_ADDRESS (1 << 5) #define R1_SPI_PARAMETER (1 << 6) /* R1 bit 7 is always zero */ #define R2_SPI_CARD_LOCKED (1 << 8) #define R2_SPI_WP_ERASE_SKIP (1 << 9) /* or lock/unlock fail */ #define R2_SPI_LOCK_UNLOCK_FAIL R2_SPI_WP_ERASE_SKIP #define R2_SPI_ERROR (1 << 10) #define R2_SPI_CC_ERROR (1 << 11) #define R2_SPI_CARD_ECC_ERROR (1 << 12) #define R2_SPI_WP_VIOLATION (1 << 13) #define R2_SPI_ERASE_PARAM (1 << 14) #define R2_SPI_OUT_OF_RANGE (1 << 15) /* or CSD overwrite */ #define R2_SPI_CSD_OVERWRITE R2_SPI_OUT_OF_RANGE #define CARD_BUSY 0x80000000 /* Card Power up status bit */ /* R5 response bits */ #define R5_COM_CRC_ERROR (1 << 15) #define R5_ILLEGAL_COMMAND (1 << 14) #define R5_ERROR (1 << 11) #define R5_FUNCTION_NUMBER (1 << 9) #define R5_OUT_OF_RANGE (1 << 8) #define R5_STATUS(x) (x & 0xCB00) #define R5_IO_CURRENT_STATE(x) ((x & 0x3000) >> 12) #define MMCSD_HOST_PLUGED 0 #define MMCSD_HOST_UNPLUGED 1 int mmcsd_wait_cd_changed(uint32_t timeout); int mmcsd_wait_sdio_ready(int32_t timeout); void mmcsd_host_lock(struct mmcsd_host *host); void mmcsd_host_unlock(struct mmcsd_host *host); void mmcsd_req_complete(struct mmcsd_host *host); void mmcsd_send_request(struct mmcsd_host *host, struct mmcsd_req *req); int32_t mmcsd_send_cmd(struct mmcsd_host *host, struct mmcsd_cmd *cmd, int retries); int32_t mmcsd_go_idle(struct mmcsd_host *host); int32_t mmcsd_spi_read_ocr(struct mmcsd_host *host, int32_t high_capacity, uint32_t *ocr); int32_t mmcsd_all_get_cid(struct mmcsd_host *host, uint32_t *cid); int32_t mmcsd_get_cid(struct mmcsd_host *host, uint32_t *cid); int32_t mmcsd_get_csd(struct mmcsd_card *card, uint32_t *csd); int32_t mmcsd_select_card(struct mmcsd_card *card); int32_t mmcsd_deselect_cards(struct mmcsd_card *host); int32_t mmcsd_spi_use_crc(struct mmcsd_host *host, int32_t use_crc); void mmcsd_set_chip_select(struct mmcsd_host *host, int32_t mode); void mmcsd_set_clock(struct mmcsd_host *host, uint32_t clk); void mmcsd_set_bus_mode(struct mmcsd_host *host, uint32_t mode); void mmcsd_set_bus_width(struct mmcsd_host *host, uint32_t width); void mmcsd_set_data_timeout(struct mmcsd_data *data, const struct mmcsd_card *card); uint32_t mmcsd_select_voltage(struct mmcsd_host *host, uint32_t ocr); void mmcsd_change(struct mmcsd_host *host); void mmcsd_change_from_isr(struct mmcsd_host *host); void mmcsd_detect(void *param); struct mmcsd_host *mmcsd_alloc_host(void); void mmcsd_free_host(struct mmcsd_host *host); int mmcsd_core_init(void); int mmcsd_blk_init(void); int32_t mmcsd_num_wr_blocks(struct mmcsd_card *card); int mmcsd_req_blk(struct mmcsd_card *card, uint32_t sector, void *buf, size_t blks, uint8_t dir); int32_t mmcsd_set_blksize(struct mmcsd_card *card); struct mmcsd_card *mmcsd_get_sdmmc_card_info(void); int mmcsd_wait_mmc_ready(uint32_t timeout); #if DEVICE_TYPE_SELECT == EMMC_FLASH int emmc_read(uint32_t offset, size_t size, uint8_t *data); int emmc_write(uint32_t offset, size_t size, uint8_t *data); #endif #ifdef __cplusplus } #endif #endif