65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
#ifndef SDCARD_INCLUDED
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#define SDCARD_INCLUDED
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#define SDIO_HAS_CARD_DETECT
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enum SDIO_CLOCK_DIV {
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SDIO_24MHZ = 0,
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SDIO_16MHZ,
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SDIO_12MHZ,
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SDIO_8MHZ,
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SDIO_4MHZ,
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SDIO_1MHZ,
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SDIO_400KHZ
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};
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enum SDIO_POWER_STATE {
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SDIO_POWER_ON,
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SDIO_POWER_OFF
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};
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#define SDIO_CARD_CCS(c) (((c)->ocr & 0x40000000) != 0)
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#define SDIO_CARD_UHS2(c) (((c)->ocr & 0x40000000) != 0)
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#define SDIO_CARD_LVOK(c) (((c)->ocr & 0x01000000) != 0)
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typedef struct SDIO_CARD_DATA {
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uint32_t props;
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uint32_t ocr;
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uint32_t cid[4];
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uint32_t csd[4];
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uint32_t scr[2];
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uint32_t status[16];
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uint32_t size;
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uint16_t rca;
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} * SDIO_CARD;
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struct dev_sd {
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struct device *dev;
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uint32_t base;
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uint32_t *rcc_rst_reg;
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uint32_t rcc_rst;
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SDIO_CARD card;
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};
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/* API for sd_bus clock setting */
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enum SD_CLOCK_DIV {
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CLOCK_24MHZ = 0,
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CLOCK_16MHZ,
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CLOCK_12MHZ,
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CLOCK_8MHZ,
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CLOCK_4MHZ,
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CLOCK_1MHZ,
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CLOCK_400KHZ
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};
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//int stm32_sd_bus(int bits, enum SD_CLOCK_DIV freq);
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void *sdcard_open(void);
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int sdcard_read(void *dev, void *_buf, uint32_t lba);
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int sdcard_write(void *dev, void *_buf, uint32_t lba);
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int sdcard_sense(void);
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int sdcard_detect(void);
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uint32_t sdcard_getsize(void *dev);
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void sdcard_hw_init(void);
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#endif
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