// MIT License, Copyright (c) 2021 Marvin Borner

#ifndef IDE_H
#define IDE_H

#define ATA_PRIMARY_IO 0x1f0
#define ATA_SECONDARY_IO 0x170

// From spec
#define ATA_PRIMARY 0x00
#define ATA_SECONDARY 0x01
#define ATA_READ 0x00
#define ATA_WRITE 0x013
#define ATA_MASTER 0x00
#define ATA_SLAVE 0x01
#define ATA_SR_BSY 0x80
#define ATA_SR_DRDY 0x40
#define ATA_SR_DF 0x20
#define ATA_SR_DSC 0x10
#define ATA_SR_DRQ 0x08
#define ATA_SR_CORR 0x04
#define ATA_SR_IDX 0x02
#define ATA_SR_ERR 0x01
#define ATA_REG_DATA 0x00
#define ATA_REG_ERROR 0x01
#define ATA_REG_FEATURES 0x01
#define ATA_REG_SECCOUNT0 0x02
#define ATA_REG_LBA0 0x03
#define ATA_REG_LBA1 0x04
#define ATA_REG_LBA2 0x05
#define ATA_REG_HDDEVSEL 0x06
#define ATA_REG_COMMAND 0x07
#define ATA_REG_STATUS 0x07
#define ATA_REG_SECCOUNT1 0x08
#define ATA_REG_LBA3 0x09
#define ATA_REG_LBA4 0x0a
#define ATA_REG_LBA5 0x0b
#define ATA_REG_CONTROL 0x0c
#define ATA_REG_ALTSTATUS 0x0c
#define ATA_REG_DEVADDRESS 0x0d
#define ATA_CMD_READ_PIO 0x20
#define ATA_CMD_READ_PIO_EXT 0x24
#define ATA_CMD_READ_DMA 0xc8
#define ATA_CMD_READ_DMA_EXT 0x25
#define ATA_CMD_WRITE_PIO 0x30
#define ATA_CMD_WRITE_PIO_EXT 0x34
#define ATA_CMD_WRITE_DMA 0xca
#define ATA_CMD_WRITE_DMA_EXT 0x35
#define ATA_CMD_CACHE_FLUSH 0xe7
#define ATA_CMD_CACHE_FLUSH_EXT 0xea
#define ATA_CMD_PACKET 0xa0
#define ATA_CMD_IDENTIFY_PACKET 0xa1
#define ATA_CMD_IDENTIFY 0xec
#define ATA_IDENT_DEVICETYPE 0
#define ATA_IDENT_CYLINDERS 2
#define ATA_IDENT_HEADS 6
#define ATA_IDENT_SECTORS 12
#define ATA_IDENT_SERIAL 20
#define ATA_IDENT_MODEL 54
#define ATA_IDENT_CAPABILITIES 98
#define ATA_IDENT_FIELDVALID 106
#define ATA_IDENT_MAX_LBA 120
#define ATA_IDENT_COMMANDSETS 164
#define ATA_IDENT_MAX_LBA_EXT 200

void ata_install(void);

#endif