// ATA PIO driver implementation header
// Author: xamidev
// Licensed under the Unlicense. See the repo below.
// https://github.com/xamidev/blankos

#ifndef ATA_H
#define ATA_H

#include <stdint.h>

#define ATA_PRIMARY_IO 		0x1F0
#define ATA_PRIMARY_CTRL 	0x3F6
#define ATA_CMD_READ_PIO	0x20
#define ATA_CMD_WRITE_PIO 	0x30
#define ATA_IDENTIFY 		0xEC

#define ATA_REG_DATA 		0x00
#define ATA_REG_ERROR 		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_SR_BSY 		    0x80
#define ATA_SR_DRDY 		0x40
#define ATA_SR_DRQ 		    0x08
#define ATA_SR_ERR 		    0x01

void ata_read_sector(uint32_t lba, uint8_t* buffer);
void test_read_sector();

#endif