mirror of
https://github.com/LIV2/lide.device.git
synced 2025-12-06 00:32:45 +00:00
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
#ifndef _ATA_H
|
|
#define _ATA_H
|
|
|
|
#include <proto/exec.h>
|
|
#include <exec/resident.h>
|
|
#include <exec/libraries.h>
|
|
#include <exec/errors.h>
|
|
#include <libraries/dos.h>
|
|
#include <stdbool.h>
|
|
#include "device.h"
|
|
|
|
#define CHANNEL_0 0x1000
|
|
#define CHANNEL_1 0x2000
|
|
#define NEXT_REG 0x200
|
|
|
|
// BYTE Offsets
|
|
#define ata_reg_data 0x000
|
|
#define ata_reg_error 0x200
|
|
#define ata_reg_features 0x200
|
|
#define ata_reg_sectorCount 0x400
|
|
#define ata_reg_lbaLow 0x600
|
|
#define ata_reg_lbaMid 0x800
|
|
#define ata_reg_lbaHigh 0xA00
|
|
#define ata_reg_devHead 0xC00
|
|
#define ata_reg_status 0xE00
|
|
#define ata_reg_command 0xE00
|
|
|
|
#define drv_sel_secondary (1<<4)
|
|
|
|
#define ata_busy (1<<7)
|
|
#define ata_ready (1<<6)
|
|
#define ata_drq (1<<3)
|
|
#define ata_error (1<<0)
|
|
|
|
#define ATA_CMD_IDENTIFY 0xEC
|
|
#define ATA_CMD_READ 0x20
|
|
#define ATA_CMD_WRITE 0x30
|
|
|
|
// Identify data word offsets
|
|
#define ata_identify_cylinders 1
|
|
#define ata_identify_heads 3
|
|
#define ata_identify_sectorsize 5
|
|
#define ata_identify_sectors 6
|
|
#define ata_identify_serial 10
|
|
#define ata_identify_fw_rev 23
|
|
#define ata_identify_model 27
|
|
#define ata_identify_capabilities 49
|
|
#define ata_identify_logical_sectors 60
|
|
#define ata_identify_pio_modes 64
|
|
|
|
#define ata_capability_lba (1<<9)
|
|
#define ata_capability_dma (1<<8)
|
|
|
|
bool ata_wait_busy(struct IDEUnit *);
|
|
bool ata_wait_ready(struct IDEUnit *);
|
|
bool ata_wait_drq(struct IDEUnit *);
|
|
|
|
bool ata_init_unit(struct IDEUnit *);
|
|
bool ata_identify(struct IDEUnit *, UWORD *);
|
|
BYTE ata_read(APTR *buffer, ULONG lba, UBYTE count, ULONG *actual, struct IDEUnit *unit);
|
|
BYTE ata_write(APTR *buffer, ULONG lba, UBYTE count, ULONG *actual, struct IDEUnit *unit);
|
|
|
|
|
|
#endif |