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ARMSX1/psx/dev/cdrom/cdrom.h
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#ifndef CDROM_H
#define CDROM_H
#include <stdint.h>
#include "queue.h"
#include "disc.h"
#include "../ic.h"
#define PSX_CDROM_BEGIN 0x1f801800
#define PSX_CDROM_END 0x1f801803
#define PSX_CDROM_SIZE 0x4
/*
Command Average Min Max
GetStat (normal) 000c4e1h 0004a73h..003115bh
GetStat (when stopped) 0005cf4h 000483bh..00093f2h
Pause (single speed) 021181ch 020eaefh..0216e3ch ;\time equal to
Pause (double speed) 010bd93h 010477Ah..011B302h ;/about 5 sectors
Pause (when paused) 0001df2h 0001d25h..0001f22h
Stop (single speed) 0d38acah 0c3bc41h..0da554dh
Stop (double speed) 18a6076h 184476bh..192b306h
Stop (when stopped) 0001d7bh 0001ce8h..0001eefh
GetID 0004a00h 0004922h..0004c2bh
Init 0013cceh 000f820h..00xxxxxh
*/
#define CD_DELAY_1MS 33869
#define CD_DELAY_FR 50401
#define CD_DELAY_INIT_FR 81102
#define CD_DELAY_PAUSE_SS 2168860
#define CD_DELAY_PAUSE_DS 1097107
#define CD_DELAY_STOP_SS 13863626
#define CD_DELAY_STOP_DS 25845878
#define CD_DELAY_READ_SS (33868800 / 75)
#define CD_DELAY_READ_DS (33868800 / (2*75))
#define CD_DELAY_START_READ (cdrom_get_read_delay(cdrom) + cdrom_get_seek_delay(cdrom, ts))
#define CD_DELAY_ONGOING_READ (cdrom_get_read_delay(cdrom) + (CD_DELAY_1MS * 4))
#define XA_STEREO_SAMPLES 2016 // Samples per sector
#define XA_MONO_SAMPLES 4032 // Samples per sector
#define XA_STEREO_RESAMPLE_SIZE 2352 // 2352
#define XA_MONO_RESAMPLE_SIZE 4704 // 4704
#define XA_STEREO_RESAMPLE_MAX_SIZE 4704 // 2352 * 2 (because of 18KHz mode)
#define XA_MONO_RESAMPLE_MAX_SIZE 9408 // 4704 * 2 (because of 18KHz mode)
#define XA_UPSAMPLE_SIZE 28224 // 4032 * 7
#define XA_RINGBUF_SIZE 32
/*
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
/*
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
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
*/
#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
/*
___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 (most CD commands need an exact 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 CD_ERR_SEEK_FAILED 0x04
#define CD_ERR_DOOR_OPENED 0x08
#define CD_ERR_INVALID_SUBFUNCTION 0x10
#define CD_ERR_WRONG_PARAMETER_COUNT 0x20
#define CD_ERR_INVALID_COMMAND 0x40
#define CD_ERR_NO_DISC 0x80
/*
7 Play Playing CD-DA ;\only ONE of these bits can be set
6 Seek Seeking ; at a time (ie. Read/Play won't get
5 Read Reading data sectors ;/set until after Seek completion)
4 ShellOpen Once shell open (0=Closed, 1=Is/was Open)
3 IdError (0=Okay, 1=GetID denied) (also set when Setmode.Bit4=1)
2 SeekError (0=Okay, 1=Seek error) (followed by Error Byte)
1 Spindle Motor (0=Motor off, or in spin-up phase, 1=Motor on)
0 Error Invalid Command/parameters (followed by Error Byte)
*/
#define CD_STAT_PLAY 0x80
#define CD_STAT_SEEK 0x40
#define CD_STAT_READ 0x20
#define CD_STAT_SHELLOPEN 0x10
#define CD_STAT_IDERROR 0x08
#define CD_STAT_SEEKERROR 0x04
#define CD_STAT_SPINDLE 0x02
#define CD_STAT_ERROR 0x01
// #define SET_INT(n) cdrom->ifr = n;
enum {
CD_STATE_IDLE,
CD_STATE_TX_RESP1,
CD_STATE_TX_RESP2,
CD_STATE_READ,
CD_STATE_PLAY
};
enum {
QUERY_TRACK_COUNT,
QUERY_TRACK_ADDR,
QUERY_TRACK_TYPE
};
typedef struct {
int mute;
uint32_t bus_delay;
uint32_t io_base, io_size;
psx_disc_t* disc;
psx_ic_t* ic;
int disc_type;
int version;
int region;
int index;
int pending_speed_switch_delay;
int seek_precision;
int fake_getlocl_data;
uint8_t ier;
uint8_t ifr;
uint8_t vol_pending[4];
uint8_t vol[4];
uint8_t mode;
int data_req;
queue_t* data;
queue_t* response;
queue_t* parameters;
uint8_t pending_command;
int busy;
uint32_t xa_lba;
int xa_playing;
int xa_mute;
int xa_channel;
int xa_file;
int xa_remaining_samples;
int16_t xa_left_h[2];
int16_t xa_right_h[2];
int16_t xa_prev_left_sample;
int16_t xa_prev_right_sample;
int xa_sample_index;
int state;
int prev_state;
int int1_pending;
int int2_pending;
int delay;
uint32_t pending_lba;
uint32_t lba;
int16_t cdda_buf[CD_SECTOR_SIZE >> 1];
int32_t cdda_remaining_samples;
uint32_t cdda_sample_index;
uint32_t cdda_sectors_played;
int cdda_playing;
int cdda_prev_track;
int read_ongoing;
uint8_t xa_buf[CD_SECTOR_SIZE];
int16_t xa_left_buf[XA_STEREO_SAMPLES];
int16_t xa_right_buf[XA_STEREO_SAMPLES];
int16_t xa_mono_buf[XA_MONO_SAMPLES];
int16_t xa_upsample_buf[XA_UPSAMPLE_SIZE];
int16_t xa_left_resample_buf[XA_STEREO_RESAMPLE_MAX_SIZE];
int16_t xa_right_resample_buf[XA_STEREO_RESAMPLE_MAX_SIZE];
int16_t xa_mono_resample_buf[XA_MONO_RESAMPLE_MAX_SIZE];
} psx_cdrom_t;
enum {
CDR_VERSION_01, // DTL-H2000 (??-???-????)
CDR_VERSION_C0A, // PSX (PU-7) (19-Sep-1994)
CDR_VERSION_C0B, // PSX (PU-7) (18-Nov-1994)
CDR_VERSION_C1A, // PSX (EARLY-PU-8) (16-May-1995)
CDR_VERSION_C1B, // PSX (LATE-PU-8) (24-Jul-1995)
CDR_VERSION_D1, // PSX (LATE-PU-8, Debug) (24-Jul-1995)
CDR_VERSION_C2V, // PSX (PU-16, Video CD) (15-Aug-1996)
CDR_VERSION_C1Y, // PSX (LATE-PU-8, Yaroze) (18-Aug-1996)
CDR_VERSION_C2J, // PSX (PU-18) (J) (12-Sep-1996)
CDR_VERSION_C2A, // PSX (PU-18) (U/E) (10-Jan-1997)
CDR_VERSION_C2B, // PSX (PU-20) (14-Aug-1997)
CDR_VERSION_C3A, // PSX (PU-22) (10-Jul-1998)
CDR_VERSION_C3B, // PSX/PSone (PU-23, PM-41) (01-Feb-1999)
CDR_VERSION_C3C // PSone/late (PM-41(2)) (06-Jun-2001)
};
enum {
CDR_REGION_JAPAN,
CDR_REGION_EUROPE,
CDR_REGION_AMERICA
};
uint8_t cdrom_get_stat(psx_cdrom_t* cdrom);
void cdrom_error(psx_cdrom_t* cdrom, uint8_t stat, uint8_t err);
int cdrom_get_seek_delay(psx_cdrom_t* cdrom, int ts);
int cdrom_get_pause_delay(psx_cdrom_t* cdrom);
int cdrom_get_read_delay(psx_cdrom_t* cdrom);
void cdrom_set_int(psx_cdrom_t* cdrom, int n);
void cdrom_process_setloc(psx_cdrom_t* cdrom);
psx_cdrom_t* psx_cdrom_create(void);
void psx_cdrom_init(psx_cdrom_t* cdrom, psx_ic_t* ic);
void psx_cdrom_reset(psx_cdrom_t* cdrom);
void psx_cdrom_set_version(psx_cdrom_t* cdrom, int version);
void psx_cdrom_set_region(psx_cdrom_t* cdrom, int region);
int psx_cdrom_open(psx_cdrom_t* cdrom, const char* path);
void psx_cdrom_close(psx_cdrom_t* cdrom);
uint32_t psx_cdrom_read32(psx_cdrom_t* cdrom, uint32_t addr);
uint32_t psx_cdrom_read16(psx_cdrom_t* cdrom, uint32_t addr);
uint32_t psx_cdrom_read8(psx_cdrom_t* cdrom, uint32_t addr);
void psx_cdrom_write32(psx_cdrom_t* cdrom, uint32_t addr, uint32_t value);
void psx_cdrom_write16(psx_cdrom_t* cdrom, uint32_t addr, uint32_t value);
void psx_cdrom_write8(psx_cdrom_t* cdrom, uint32_t addr, uint32_t value);
void psx_cdrom_update(psx_cdrom_t* cdrom, int cycles);
void psx_cdrom_get_audio_samples(psx_cdrom_t* cdrom, void* buf, size_t size);
void psx_cdrom_destroy(psx_cdrom_t* cdrom);
#endif
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