mirror of
https://github.com/mist-devel/mist-firmware.git
synced 2026-01-13 15:17:43 +00:00
104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
// hdd.h
|
|
|
|
|
|
#ifndef __HDD_H__
|
|
#define __HDD_H__
|
|
|
|
#include <stdbool.h>
|
|
#include "idxfile.h"
|
|
|
|
// defines
|
|
#define CMD_IDECMD 0x04
|
|
#define CMD_IDEDAT 0x08
|
|
|
|
#define CMD_IDE_REGS_RD 0x80
|
|
#define CMD_IDE_REGS_WR 0x90
|
|
#define CMD_IDE_DATA_WR 0xA0
|
|
#define CMD_IDE_DATA_RD 0xB0
|
|
#define CMD_IDE_CDDA_RD 0xC0 // status bit read, since no free CMD_xxx :(
|
|
#define CMD_IDE_CDDA_WR 0xD0
|
|
#define CMD_IDE_STATUS_WR 0xF0
|
|
|
|
#define CMD_IDE_CFG_WR 0xFA
|
|
|
|
#define IDE_STATUS_END 0x80
|
|
#define IDE_STATUS_PKT 0x20
|
|
#define IDE_STATUS_IRQ 0x10
|
|
#define IDE_STATUS_RDY 0x08
|
|
#define IDE_STATUS_REQ 0x04
|
|
#define IDE_STATUS_ERR 0x01
|
|
|
|
#define ACMD_NOP 0x00
|
|
#define ACMD_DEVICE_RESET 0x08
|
|
#define ACMD_RECALIBRATE 0x10
|
|
#define ACMD_DIAGNOSTIC 0x90
|
|
#define ACMD_IDENTIFY_DEVICE 0xEC
|
|
#define ACMD_INITIALIZE_DEVICE_PARAMETERS 0x91
|
|
#define ACMD_READ_SECTORS 0x20
|
|
#define ACMD_WRITE_SECTORS 0x30
|
|
#define ACMD_READ_VERIFY_SECTORS 0x40
|
|
#define ACMD_READ_MULTIPLE 0xC4
|
|
#define ACMD_WRITE_MULTIPLE 0xC5
|
|
#define ACMD_SET_MULTIPLE_MODE 0xC6
|
|
#define ACMD_PACKET 0xA0
|
|
#define ACMD_IDENTIFY_PACKET_DEVICE 0xA1
|
|
|
|
#define HDF_DISABLED 0
|
|
#define HDF_FILE 1
|
|
#define HDF_CARD 2
|
|
#define HDF_CARDPART0 3
|
|
#define HDF_CARDPART1 4
|
|
#define HDF_CARDPART2 5
|
|
#define HDF_CARDPART3 6
|
|
#define HDF_CDROM 10
|
|
#define HDF_TYPEMASK 15
|
|
#define HDF_SYNTHRDB 128 // flag to indicate whether we should auto-synthesize a RigidDiskBlock
|
|
|
|
#define HDF_FILETYPE_UNKNOWN 0
|
|
#define HDF_FILETYPE_NOTFOUND 1
|
|
#define HDF_FILETYPE_RDB 2
|
|
#define HDF_FILETYPE_DOS 3
|
|
|
|
#define HARDFILES 4
|
|
|
|
#define TFR_ERR 1
|
|
#define TFR_SCOUNT 2
|
|
#define TFR_SNUM 3
|
|
#define TFR_CYLL 4
|
|
#define TFR_CYLH 5
|
|
#define TFR_SDH 6
|
|
#define TFR_STAT 7
|
|
|
|
// types
|
|
typedef struct
|
|
{
|
|
unsigned char enabled; // 0: Disabled, 1: Hard file, 2: MMC (entire card), 3-6: Partition 1-4 of MMC card, 10-CDROM
|
|
unsigned char present;
|
|
char name[64];
|
|
} hardfileTYPE;
|
|
|
|
typedef struct
|
|
{
|
|
int type; // are we using a file, the entire SD card or a partition on the SD card?
|
|
IDXFile *idxfile;
|
|
unsigned short cylinders;
|
|
unsigned short heads;
|
|
unsigned short sectors;
|
|
unsigned short sectors_per_block;
|
|
unsigned short partition; // partition no.
|
|
long offset; // if a partition, the lba offset of the partition. Can be negative if we've synthesized an RDB.
|
|
} hdfTYPE;
|
|
|
|
// variables
|
|
extern hardfileTYPE *hardfile[HARDFILES];
|
|
extern hdfTYPE hdf[HARDFILES];
|
|
|
|
// functions
|
|
void HandleHDD(unsigned char c1, unsigned char c2, unsigned char cs1ena);
|
|
unsigned char OpenHardfile(unsigned char unit, bool amiga);
|
|
unsigned char GetHDFFileType(const char *filename);
|
|
void SendHDFCfg();
|
|
|
|
#endif // __HDD_H__
|
|
|