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41 lines
905 B
C
41 lines
905 B
C
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#ifndef __SDHC_H__
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#define __SDHC_H__
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#include "types.h"
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#define SDHC_ENOCARD -0x1001
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#define SDHC_ESTRANGE -0x1002
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#define SDHC_EOVERFLOW -0x1003
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#define SDHC_ETIMEDOUT -0x1004
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#define SDHC_EINVAL -0x1005
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#define SDHC_EIO -0x1006
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typedef struct
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{
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u32 reg_base;
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u8 is_sdhc;
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u8 is_selected;
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u8 is_mounted;
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u16 rca;
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u32 ocr;
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u32 cid;
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} sdhci_t;
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int sd_init(sdhci_t *sdhci, int slot);
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int sd_reset(sdhci_t *sdhci);
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int sd_inserted(sdhci_t *sdhci);
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int sd_protected(sdhci_t *sdhci);
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int sd_mount(sdhci_t *sdhci);
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int sd_cmd(sdhci_t *sdhci, u32 cmd, u32 rsp_type, u32 arg, u32 blk_cnt, void *buffer, u32 *response, u8 rlen);
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int sd_select(sdhci_t *sdhci);
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int sd_read(sdhci_t *sdhci, u32 start_block, u32 blk_cnt, void *buffer);
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int sd_write(sdhci_t *sdhci, u32 start_block, u32 blk_cnt, const void *buffer);
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u8 __sd_read8(u32 addr);
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u16 __sd_read16(u32 addr);
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u32 __sd_read32(u32 addr);
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#endif
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