86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
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#pragma once
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// Commands
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#define ATA_CMD_READ_PIO 0x20
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#define ATA_CMD_READ_PIO_EXT 0x24
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#define ATA_CMD_READ_DMA 0xC8
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#define ATA_CMD_READ_DMA_EXT 0x25
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#define ATA_CMD_WRITE_PIO 0x30
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#define ATA_CMD_WRITE_PIO_EXT 0x34
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#define ATA_CMD_WRITE_DMA 0xCA
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#define ATA_CMD_WRITE_DMA_EXT 0x35
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#define ATA_CMD_CACHE_FLUSH 0xE7
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#define ATA_CMD_CACHE_FLUSH_EXT 0xEA
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#define ATA_CMD_PACKET 0xA0
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#define ATA_CMD_IDENTIFY_PACKET 0xA1
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#define ATA_CMD_IDENTIFY 0xEC
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#define ATAPI_CMD_READ 0xA8
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#define ATAPI_CMD_EJECT 0x1B
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#define ATA_IDENT_DEVICETYPE 0
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#define ATA_IDENT_CYLINDERS 2
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#define ATA_IDENT_HEADS 6
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#define ATA_IDENT_SECTORS 12
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#define ATA_IDENT_SERIAL 20
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#define ATA_IDENT_MODEL 54
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#define ATA_IDENT_CAPABILITIES 98
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#define ATA_IDENT_FIELDVALID 106
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#define ATA_IDENT_MAX_LBA 120
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#define ATA_IDENT_COMMANDSETS 164
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#define ATA_IDENT_MAX_LBA_EXT 200
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#define IDE_ATA 0x00
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#define IDE_ATAPI 0x01
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#define ATA_MASTER 0x00
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#define ATA_SLAVE 0x01
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#define ATA_REG_DATA 0x00
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#define ATA_REG_ERROR 0x01
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#define ATA_REG_FEATURES 0x01
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#define ATA_REG_SECCOUNT0 0x02
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#define ATA_REG_LBA0 0x03
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#define ATA_REG_LBA1 0x04
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#define ATA_REG_LBA2 0x05
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#define ATA_REG_HDDEVSEL 0x06
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#define ATA_REG_COMMAND 0x07
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#define ATA_REG_STATUS 0x07
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#define ATA_REG_SECCOUNT1 0x08
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#define ATA_REG_LBA3 0x09
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#define ATA_REG_LBA4 0x0A
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#define ATA_REG_LBA5 0x0B
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#define ATA_REG_CONTROL 0x0C
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#define ATA_REG_ALTSTATUS 0x0C
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#define ATA_REG_DEVADDRESS 0x0D
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// Channels:
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#define ATA_PRIMARY 0x00
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#define ATA_SECONDARY 0x01
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// Directions:
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#define ATA_READ 0x00
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#define ATA_WRITE 0x01
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// Status
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#define ATA_SR_BSY 0x80 // Busy
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#define ATA_SR_DRDY 0x40 // Drive ready
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#define ATA_SR_DF 0x20 // Drive write fault
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#define ATA_SR_DSC 0x10 // Drive seek complete
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#define ATA_SR_DRQ 0x08 // Data request ready
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#define ATA_SR_CORR 0x04 // Corrected data
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#define ATA_SR_IDX 0x02 // Index
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#define ATA_SR_ERR 0x01 // Error
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// Errors
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#define ATA_ER_BBK 0x80 // Bad block
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#define ATA_ER_UNC 0x40 // Uncorrectable data
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#define ATA_ER_MC 0x20 // Media changed
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#define ATA_ER_IDNF 0x10 // ID mark not found
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#define ATA_ER_MCR 0x08 // Media change request
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#define ATA_ER_ABRT 0x04 // Command aborted
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#define ATA_ER_TK0NF 0x02 // Track 0 not found
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#define ATA_ER_AMNF 0x01 // No address mark
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