ref: feef8a15f6a77f611d0dfd88bbfdbb3447232b54
dir: /psx/dev/cdrom.h/
#ifndef CDROM_H
#define CDROM_H
#include <stdint.h>
#include <stdio.h>
#include "ic.h"
#include "../disc.h"
#include "../disc/cue.h"
#include "../disc/bin.h"
#include "../msf.h"
#include "spu.h"
// #define DELAY_1MS (0xc4e1)
// #define READ_SINGLE_DELAY (0x6e1cd)
// #define READ_DOUBLE_DELAY (0x36cd2)
#define DELAY_1MS (PSX_CPU_CPS / 1000)
#define READ_SINGLE_DELAY (PSX_CPU_CPS / 75)
#define READ_DOUBLE_DELAY (PSX_CPU_CPS / (2 * 75))
#define PSX_CDROM_BEGIN 0x1f801800
#define PSX_CDROM_SIZE 0x4
#define PSX_CDROM_END 0x1f801803
enum {
CD_STATE_RECV_CMD,
CD_STATE_SEND_RESP1,
CD_STATE_SEND_RESP2,
CD_STATE_ERROR
};
#define CDL_NONE 0x00
#define CDL_GETSTAT 0x01
#define CDL_SETLOC 0x02
#define CDL_PLAY 0x03
#define CDL_FORWARD 0x04
#define CDL_BACKWARD 0x05
#define CDL_READN 0x06
#define CDL_MOTORON 0x07
#define CDL_STOP 0x08
#define CDL_PAUSE 0x09
#define CDL_INIT 0x0a
#define CDL_MUTE 0x0b
#define CDL_DEMUTE 0x0c
#define CDL_SETFILTER 0x0d
#define CDL_SETMODE 0x0e
#define CDL_GETPARAM 0x0f
#define CDL_GETLOCL 0x10
#define CDL_GETLOCP 0x11
#define CDL_SETSESSION 0x12
#define CDL_GETTN 0x13
#define CDL_GETTD 0x14
#define CDL_SEEKL 0x15
#define CDL_SEEKP 0x16
#define CDL_TEST 0x19
#define CDL_GETID 0x1a
#define CDL_READS 0x1b
#define CDL_RESET 0x1c
#define CDL_GETQ 0x1d
#define CDL_READTOC 0x1e
#define CDL_VIDEOCD 0x1f
#define CDL_ERROR 0x20
#define STAT_INDEX_MASK 0x3
#define STAT_ADPBUSY_MASK 0x4
#define STAT_PRMEMPT_MASK 0x8
#define STAT_PRMWRDY_MASK 0x10
#define STAT_RSLRRDY_MASK 0x20
#define STAT_DRQSTS_MASK 0x40
#define STAT_BUSYSTS_MASK 0x80
#define STAT_INDEX (cdrom->status & STAT_INDEX_MASK)
#define STAT_ADPBUSY (cdrom->status & STAT_ADPBUSY_MASK)
#define STAT_PRMEMPT (cdrom->status & STAT_PRMEMPT_MASK)
#define STAT_PRMWRDY (cdrom->status & STAT_PRMWRDY_MASK)
#define STAT_RSLRRDY (cdrom->status & STAT_RSLRRDY_MASK)
#define STAT_DRQSTS (cdrom->status & STAT_DRQSTS_MASK)
#define STAT_BUSYSTS (cdrom->status & STAT_BUSYSTS_MASK)
#define SET_BITS(reg, mask, v) { cdrom->reg &= ~mask; cdrom->reg |= v & mask; }
#define IFR_INT 0x07
#define IFR_INT1 0x01
#define IFR_INT2 0x02
#define IFR_INT3 0x03
#define IFR_INT4 0x04
#define IFR_INT5 0x05
#define IFR_INT6 0x06
#define IFR_INT7 0x07
#define GETSTAT_ERROR 0x01
#define GETSTAT_MOTOR 0x02
#define GETSTAT_SEEKERROR 0x04
#define GETSTAT_IDERROR 0x08
#define GETSTAT_TRAYOPEN 0x10
#define GETSTAT_READ 0x20
#define GETSTAT_SEEK 0x40
#define GETSTAT_PLAY 0x80
/*
7 Speed (0=Normal speed, 1=Double speed)
6 XA-ADPCM (0=Off, 1=Send XA-ADPCM sectors to SPU Audio Input)
5 Sector Size (0=800h=DataOnly, 1=924h=WholeSectorExceptSyncBytes)
4 Ignore Bit (0=Normal, 1=Ignore Sector Size and Setloc position)
3 XA-Filter (0=Off, 1=Process only XA-ADPCM sectors that match Setfilter)
2 Report (0=Off, 1=Enable Report-Interrupts for Audio Play)
1 AutoPause (0=Off, 1=Auto Pause upon End of Track) ;for Audio Play
0 CDDA (0=Off, 1=Allow to Read CD-DA Sectors; ignore missing EDC)
*/
#define MODE_CDDA 0x01
#define MODE_AUTOPAUSE 0x02
#define MODE_REPORT 0x04
#define MODE_XA_FILTER 0x08
#define MODE_IGNORE 0x10
#define MODE_SECTOR_SIZE 0x20
#define MODE_XA_ADPCM 0x40
#define MODE_SPEED 0x80
/*
0-4 0 Not used (should be zero)
5 SMEN Want Command Start Interrupt on Next Command (0=No change, 1=Yes)
6 BFWR ...
7 BFRD Want Data (0=No/Reset Data Fifo, 1=Yes/Load Data Fifo)
*/
#define REQ_SMEN 0x20
#define REQ_BFWR 0x40
#define REQ_BFRD 0x80
/*
___These values appear in the FIRST response; with stat.bit0 set___
10h - Invalid Sub_function (for command 19h), or invalid parameter value
20h - Wrong number of parameters
40h - Invalid command
80h - Cannot respond yet (eg. required info was not yet read from disk yet)
(namely, TOC not-yet-read or so)
(also appears if no disk inserted at all)
___These values appear in the SECOND response; with stat.bit2 set___
04h - Seek failed (when trying to use SeekL on Audio CDs)
___These values appear even if no command was sent; with stat.bit2 set___
08h - Drive door became opened
*/
#define ERR_INVSUBF 0x10
#define ERR_PCOUNT 0x20
#define ERR_INVALID 0x40
#define ERR_BUSY 0x80
#define ERR_SEEK 0x04
#define ERR_LIDOPEN 0x08
enum {
CDT_LICENSED,
CDT_AUDIO,
CDT_UNKNOWN
};
typedef struct {
uint32_t bus_delay;
uint32_t io_base, io_size;
psx_ic_t* ic;
uint8_t status;
uint8_t ifr;
uint8_t ier;
uint8_t pfifo[16];
uint8_t rfifo[16];
int pfifo_index;
int rfifo_index;
uint8_t* read_buf;
uint8_t* dfifo;
int dfifo_index;
int dfifo_full;
// GetStat bits
uint8_t stat;
// API
int tray_open;
// Setloc
msf_t seek_msf;
uint32_t seek_offset;
int seek_pending;
// Setmode
uint8_t mode;
int irq_delay;
int irq_disable;
uint8_t command;
uint8_t delayed_command;
uint8_t int_number;
int state;
int delayed_response;
int spin_delay;
uint8_t error;
uint8_t error_flags;
int ongoing_read_command;
int gettd_track;
// CDDA
uint8_t* cdda_buf;
int cdda_sector_offset;
msf_t cdda_msf;
int cdda_playing;
int cdda_sectors_played;
int cdda_track;
// XA-ADPCM
uint8_t* xa_sector_buf;
msf_t xa_msf;
int xa_playing;
uint8_t xa_file;
uint8_t xa_channel;
uint8_t xa_coding;
int16_t* xa_left_buf;
int16_t* xa_right_buf;
int16_t* xa_mono_buf;
int16_t* xa_decoded_buf;
int16_t* xa_left_ring_buf;
int16_t* xa_right_ring_buf;
uint32_t xa_sample_idx;
int xa_remaining_samples;
uint32_t xa_step;
uint32_t xa_ringbuf_pos;
int16_t* xa_left_resample_buf;
int16_t* xa_right_resample_buf;
int16_t* xa_mono_resample_buf;
int16_t* xa_upsample_buf;
int16_t xa_last_left_sample;
int16_t xa_last_right_sample;
int16_t xa_last_mono_sample;
const char* path;
psx_disc_t* disc;
int cd_type;
} psx_cdrom_t;
psx_cdrom_t* psx_cdrom_create();
void psx_cdrom_init(psx_cdrom_t*, psx_ic_t*);
uint32_t psx_cdrom_read32(psx_cdrom_t*, uint32_t);
uint16_t psx_cdrom_read16(psx_cdrom_t*, uint32_t);
uint8_t psx_cdrom_read8(psx_cdrom_t*, uint32_t);
void psx_cdrom_write32(psx_cdrom_t*, uint32_t, uint32_t);
void psx_cdrom_write16(psx_cdrom_t*, uint32_t, uint16_t);
void psx_cdrom_write8(psx_cdrom_t*, uint32_t, uint8_t);
void psx_cdrom_update(psx_cdrom_t*, int);
void psx_cdrom_destroy(psx_cdrom_t*);
void psx_cdrom_open(psx_cdrom_t*, const char*);
void psx_cdrom_get_cdda_samples(psx_cdrom_t*, void*, int, psx_spu_t*);
/*
Command Parameters Response(s)
00h - - INT5(11h,40h) ;reportedly "Sync" uh?
01h Getstat - INT3(stat)
02h Setloc E amm,ass,asect INT3(stat)
03h Play E (track) INT3(stat), optional INT1(report bytes)
04h Forward E - INT3(stat), optional INT1(report bytes)
05h Backward E - INT3(stat), optional INT1(report bytes)
06h ReadN E - INT3(stat), INT1(stat), datablock
07h MotorOn E - INT3(stat), INT2(stat)
08h Stop E - INT3(stat), INT2(stat)
09h Pause E - INT3(stat), INT2(stat)
0Ah Init - INT3(late-stat), INT2(stat)
0Bh Mute E - INT3(stat)
0Ch Demute E - INT3(stat)
0Dh Setfilter E file,channel INT3(stat)
0Eh Setmode mode INT3(stat)
0Fh Getparam - INT3(stat,mode,null,file,channel)
10h GetlocL E - INT3(amm,ass,asect,mode,file,channel,sm,ci)
11h GetlocP E - INT3(track,index,mm,ss,sect,amm,ass,asect)
12h SetSession E session INT3(stat), INT2(stat)
13h GetTN E - INT3(stat,first,last) ;BCD
14h GetTD E track (BCD) INT3(stat,mm,ss) ;BCD
15h SeekL E - INT3(stat), INT2(stat) ;\use prior Setloc
16h SeekP E - INT3(stat), INT2(stat) ;/to set target
17h - - INT5(11h,40h) ;reportedly "SetClock" uh?
18h - - INT5(11h,40h) ;reportedly "GetClock" uh?
19h Test sub_function depends on sub_function (see below)
1Ah GetID E - INT3(stat), INT2/5(stat,flg,typ,atip,"SCEx")
1Bh ReadS E?- INT3(stat), INT1(stat), datablock
1Ch Reset - INT3(stat), Delay ;-not DTL-H2000
1Dh GetQ E adr,point INT3(stat), INT2(10bytesSubQ,peak_lo) ;\not
1Eh ReadTOC - INT3(late-stat), INT2(stat) ;/vC0
1Fh VideoCD sub,a,b,c,d,e INT3(stat,a,b,c,d,e) ;<-- SCPH-5903 only
1Fh..4Fh - - INT5(11h,40h) ;-Unused/invalid
50h Secret 1 - INT5(11h,40h) ;\
51h Secret 2 "Licensed by" INT5(11h,40h) ;
52h Secret 3 "Sony" INT5(11h,40h) ; Secret Unlock Commands
53h Secret 4 "Computer" INT5(11h,40h) ; (not in version vC0, and,
54h Secret 5 "Entertainment" INT5(11h,40h) ; nonfunctional in japan)
55h Secret 6 "<region>" INT5(11h,40h) ;
56h Secret 7 - INT5(11h,40h) ;/
57h SecretLock - INT5(11h,40h) ;-Secret Lock Command
58h..5Fh Crash - Crashes the HC05 (jumps into a data area)
6Fh..FFh - - INT5(11h,40h) ;-Unused/invalid
*/
void cdrom_cmd_unimplemented(psx_cdrom_t*);
void cdrom_cmd_getstat(psx_cdrom_t*);
void cdrom_cmd_setloc(psx_cdrom_t*);
void cdrom_cmd_play(psx_cdrom_t*);
void cdrom_cmd_readn(psx_cdrom_t*);
void cdrom_cmd_motoron(psx_cdrom_t*);
void cdrom_cmd_stop(psx_cdrom_t*);
void cdrom_cmd_pause(psx_cdrom_t*);
void cdrom_cmd_init(psx_cdrom_t*);
void cdrom_cmd_unmute(psx_cdrom_t*);
void cdrom_cmd_setfilter(psx_cdrom_t*);
void cdrom_cmd_setmode(psx_cdrom_t*);
void cdrom_cmd_getparam(psx_cdrom_t*);
void cdrom_cmd_getlocl(psx_cdrom_t*);
void cdrom_cmd_getlocp(psx_cdrom_t*);
void cdrom_cmd_setsession(psx_cdrom_t*);
void cdrom_cmd_gettn(psx_cdrom_t*);
void cdrom_cmd_gettd(psx_cdrom_t*);
void cdrom_cmd_seekl(psx_cdrom_t*);
void cdrom_cmd_seekp(psx_cdrom_t*);
void cdrom_cmd_test(psx_cdrom_t*);
void cdrom_cmd_getid(psx_cdrom_t*);
void cdrom_cmd_reads(psx_cdrom_t*);
void cdrom_cmd_readtoc(psx_cdrom_t*);
void cdrom_cmd_videocd(psx_cdrom_t*);
#endif