156 lines
3.4 KiB
C
156 lines
3.4 KiB
C
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file sd_spi.h
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* @brief define spi-sd dev function using bus driver framework
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* @version 1.0
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* @author AIIT XUOS Lab
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* @date 2021-04-24
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*/
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#ifndef SD_SPI_H
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#define SD_SPI_H
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#include <bus_spi.h>
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#include <dev_spi.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SPI_SD_FREQUENCY 400000
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#define SPI_SD_TIMEOUT_NUM 100
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#define SD_CMD_RESPONE_LENGTH 5
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#define SD_CMD_CSD_LENGTH 16
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#define SD_BLOCK_LENGTH 512
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#define SD_TIMEOUT(cnt, time) \
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do \
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{ \
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cnt++; \
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if(cnt >= time) \
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{ \
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KPrintf("SD_TMEOUT %s %d\n", __FUNCTION__, __LINE__); \
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return ETIMEOUT; \
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} \
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}while(0)
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typedef struct SpiSdDevice *SpiSdDeviceType;
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typedef enum
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{
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SD_CMD_0 = 0,
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SD_CMD_1,
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SD_CMD_8 = 8,
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SD_CMD_9,
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SD_CMD_12 = 12,
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SD_CMD_16 = 16,
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SD_CMD_17,
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SD_CMD_18,
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SD_ACMD_23 = 23,
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SD_CMD_24,
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SD_CMD_25,
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SD_ACMD_41 = 41,
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SD_CMD_55 = 55,
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SD_CMD_58 = 58,
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}SdCmd;
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typedef enum
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{
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SD_RESPONE_1 = 1,
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SD_RESPONE_1B,
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SD_RESPONE_2,
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SD_RESPONE_3,
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SD_RESPONE_7,
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}SdRespone;
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struct SdCmdParam
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{
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SdCmd sd_cmd_type;
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uint8 sd_cmd_crc;
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uint32 sd_cmd_args;
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SdRespone sd_respone_type;
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uint8 sd_respone_data[SD_CMD_RESPONE_LENGTH];
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};
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struct SdRespone1
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{
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uint8 sd_respone_r1;
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};
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struct SdRespone2
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{
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uint16 sd_respone_r2;
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};
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typedef enum
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{
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SD_TYPE_UNKNOW = 0,
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SD_TYPE_MMC,
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SD_TYPE_V1,
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SD_TYPE_V2,
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SD_TYPE_SDHC,
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SD_TYPE_SDXC,
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}SdType;
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struct BlockDevParam
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{
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uint32 sector_num;
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uint32 sector_bytes;
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uint32 block_size;
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};
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struct CSDRegData
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{
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uint8 sd_csd_data[SD_CMD_CSD_LENGTH];
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uint8 sd_csd_structure;
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uint32 sd_csd_csize;
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uint8 sd_csd_csize_multi;
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uint8 sd_csd_readbl_len;
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uint8 sd_csd_transpeed;
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uint8 sd_csd_sectorsize;
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uint32 sd_csd_capacity;
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};
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struct SdDevParam
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{
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SdType sd_type;
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uint32 sd_spi_maxfreq;
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struct BlockDevParam block_param;
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struct CSDRegData csd_data;
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};
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struct SdDevDone
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{
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uint32 (*open) (void *dev);
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uint32 (*close) (void *dev);
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uint32 (*write) (void *dev, struct BusBlockWriteParam *write_param);
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uint32 (*read) (void *dev, struct BusBlockReadParam *read_param);
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};
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struct SpiSdDevice
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{
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struct SpiHardwareDevice *spi_dev;
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struct SdDevParam sd_param;
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struct SpiHardwareDevice sd_dev;
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};
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SpiSdDeviceType SpiSdInit(struct Bus *bus, const char *dev_name, const char *drv_name, const char *sd_name);
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#ifdef __cplusplus
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}
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#endif
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#endif
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