53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
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#ifndef EMMC_MTK_IOCTL_H__
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#define EMMC_MTK_IOCTL_H__
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#include <linux/mmc/ioctl.h>
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#define MMC_BLOCK_MAJOR 179
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#define MMC_SWITCH 6
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#define MMC_SEND_EXT_CSD 8
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/*
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* EXT_CSD fields
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*/
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#define EXT_CSD_PART_CONFIG 179
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/**/
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typedef enum {
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EMMC_PART_UNKNOWN=0
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,EMMC_PART_BOOT1
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,EMMC_PART_BOOT2
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,EMMC_PART_RPMB
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,EMMC_PART_GP1
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,EMMC_PART_GP2
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,EMMC_PART_GP3
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,EMMC_PART_GP4
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,EMMC_PART_USER
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,EMMC_PART_END
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} Region;
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/* Copied from kernel linux/mmc/core.h */
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#define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */
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#define MMC_RSP_BUSY (1 << 3) /* card may send busy */
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#define MMC_RSP_CRC (1 << 2) /* expect valid crc */
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#define MMC_RSP_136 (1 << 1) /* 136 bit response */
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#define MMC_RSP_PRESENT (1 << 0)
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#define MMC_CMD_ADTC (1 << 5)
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#define MMC_CMD_AC (0 << 5)
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#define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
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#define MMC_RSP_R1B (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY)
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/* Copied from kernel linux/mmc/mmc.h */
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#define EXT_CSD_CMD_SET_NORMAL (1<<0)
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#define EXT_CSD_CMD_SET_SECURE (1<<1)
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#define EXT_CSD_CMD_SET_CPSECURE (1<<2)
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#define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */
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#define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits which are 1 in value */
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#define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */
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#define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */
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#endif
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