83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
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/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-05-23 liuduanfei first version
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* 2020-08-25 wanghaijing add sdmmmc2
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* 2023-03-26 wdfk-prog Distinguish between SDMMC and SDIO drivers
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*/
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#ifndef __DRV_SDMMC_H__
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#define __DRV_SDMMC_H__
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#include <rtthread.h>
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#include "rtdevice.h"
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#include <rthw.h>
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#include <drv_common.h>
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#include <string.h>
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#include <drivers/mmcsd_core.h>
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#include <drivers/sdio.h>
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#define SDIO_BUFF_SIZE 4096
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#define SDIO_ALIGN_LEN 32
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#define SDIO1_BASE_ADDRESS (SDMMC1_BASE)
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#define SDIO2_BASE_ADDRESS (SDMMC2_BASE)
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#ifndef SDIO_CLOCK_FREQ
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#define SDIO_CLOCK_FREQ (200U * 1000 * 1000)
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#endif
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#ifndef SDIO_BUFF_SIZE
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#define SDIO_BUFF_SIZE (4096)
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#endif
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#ifndef SDIO_ALIGN_LEN
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#define SDIO_ALIGN_LEN (32)
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#endif
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#ifndef SDIO_MAX_FREQ
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#define SDIO_MAX_FREQ (25 * 1000 * 1000)
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#endif
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/* Frequencies used in the driver for clock divider calculation */
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#define SD_INIT_FREQ 400000U /* Initalization phase : 400 kHz max */
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#define SD_NORMAL_SPEED_FREQ 25000000U /* Normal speed phase : 25 MHz max */
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#define SD_HIGH_SPEED_FREQ 50000000U /* High speed phase : 50 MHz max */
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#define SDIO_ERRORS \
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(SDMMC_STA_IDMATE | SDMMC_STA_ACKTIMEOUT | \
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SDMMC_STA_RXOVERR | SDMMC_STA_TXUNDERR | \
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SDMMC_STA_DTIMEOUT | SDMMC_STA_CTIMEOUT | \
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SDMMC_STA_DCRCFAIL | SDMMC_STA_CCRCFAIL)
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#define SDIO_MASKR_ALL \
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(SDMMC_MASK_CCRCFAILIE | SDMMC_MASK_DCRCFAILIE | SDMMC_MASK_CTIMEOUTIE | \
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SDMMC_MASK_TXUNDERRIE | SDMMC_MASK_RXOVERRIE | SDMMC_MASK_CMDRENDIE | \
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SDMMC_MASK_CMDSENTIE | SDMMC_MASK_DATAENDIE | SDMMC_MASK_ACKTIMEOUTIE)
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#define HW_SDIO_DATATIMEOUT (0xFFFFFFFFU)
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typedef rt_uint32_t (*sdio_clk_get)(void);
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struct stm32_sdio_des
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{
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SD_HandleTypeDef hw_sdio;
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sdio_clk_get clk_get;
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};
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/* stm32 sdio dirver class */
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struct stm32_sdio_class
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{
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struct stm32_sdio_des *des;
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const struct stm32_sdio_config *cfg;
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struct rt_mmcsd_host host;
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};
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extern void stm32_mmcsd_change(void);
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#endif /* __DRV_SDMMC_H__ */
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