harddisk_header.h

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#ifndef HARDDISK_HEADER_H
#define HARDDISK_HEADER_H

#include <stdint.h>
#include <stddef.h>
#include "assembly/io.h"
#include "cpu/timer/timer.h"
#include "harddisk_identify_device_data.h"
#include "harddisk_pio_mode_header.h"

#define HARDDISK_BSY_ERROR_DELAY_MS 10000

typedef enum HARDDISK_ATA_BUS_TYPE
{ 
    HARDDISK_ATA_PRIMARY_BUS = 1, 
    HARDDISK_ATA_SECONDARY_BUS = 2 
} HARDDISK_ATA_BUS_TYPE;

typedef enum HARDDISK_ATA_MASTER_SLAVE
{
    HARDDISK_ATA_MASTER = 1, 
    HARDDISK_ATA_SLAVE = 2 
} HARDDISK_ATA_MASTER_SLAVE;

typedef enum HARDDISK_STATE
{
    HARDDISK_ERROR = -1, 
    HARDDISK_NOT_PRESENT = 0, 
    HARDDISK_ATA_PRESENT = 1, 
    HARDDISK_ATAPI_PRESENT = 2, 
    HARDDISK_SATA_PRESENT = 3, 
    HARDDISK_SATAPI_PRESENT = 4 
} HARDDISK_STATE;

typedef struct harddisk_states
{
    HARDDISK_STATE primary_master;
    harddisk_identify_device_data primary_master_data;
    HARDDISK_STATE primary_slave;
    harddisk_identify_device_data primary_slave_data;
    HARDDISK_STATE secondary_master;
    harddisk_identify_device_data secondary_master_data;
    HARDDISK_STATE secondary_slave;
    harddisk_identify_device_data secondary_slave_data;
} harddisk_states;

typedef struct harddisk_configuration
{
    bool delay_by_reading_port;
} harddisk_configuration;


int8_t __harddisk_soft_reset_port(uint16_t control_port);


void __harddisk_400ns_delay(uint16_t control_port);


int8_t __harddisk_bsy_poll(uint16_t control_port);


void __harddisk_get_pointers(HARDDISK_ATA_MASTER_SLAVE type, HARDDISK_ATA_BUS_TYPE bus, const HARDDISK_STATE **state, const harddisk_identify_device_data **data);

#endif