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/*
* Copyright (c) 2010, Wei Mingzhi <whistler@openoffice.org>.
* All Rights Reserved.
*
* Based on: Cdrom for Psemu Pro like Emulators
* By: linuzappz <linuzappz@hotmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses>.
*/
#ifndef __CDR_H__
#define __CDR_H__
//#define DEBUG 1
#include "config.h"
#ifdef ENABLE_NLS
#include <libintl.h>
#include <locale.h>
#define _(x) gettext(x)
#define N_(x) (x)
#else
#define _(x) (x)
#define N_(x) (x)
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <unistd.h>
#include <pthread.h>
#include <time.h>
#include <string.h>
#include "psemu_plugin_defs.h"
#if defined (__linux__)
#include <linux/cdrom.h>
#include <scsi/scsi.h>
#include <scsi/sg.h>
#ifndef CDROMSETSPINDOWN
#define CDROMSETSPINDOWN 0x531e
#endif
#define DEV_DEF "/dev/cdrom"
#else
struct cdrom_msf {
unsigned char cdmsf_min0; /* start minute */
unsigned char cdmsf_sec0; /* start second */
unsigned char cdmsf_frame0; /* start frame */
unsigned char cdmsf_min1; /* end minute */
unsigned char cdmsf_sec1; /* end second */
unsigned char cdmsf_frame1; /* end frame */
};
#define CD_SECS 60
#define CD_FRAMES 75
#define CD_MSF_OFFSET 150
#define CD_FRAMESIZE_SUB 96
#if defined (__FreeBSD__)
#define DEV_DEF "/dev/cd0"
#else
#define DEV_DEF ""
#endif
#if !defined (USE_LIBCDIO) && !defined (_MACOSX)
#define USE_NULL 1
#endif
#endif
extern char CdromDev[256];
extern long ReadMode;
extern long UseSubQ;
extern long CacheSize;
extern long CdrSpeed;
extern long SpinDown;
#define NORMAL 0
#define THREADED 1
#define READ_MODES 2
#ifndef CD_FRAMESIZE_RAW
#define CD_FRAMESIZE_RAW 2352
#endif
#define DATA_SIZE (CD_FRAMESIZE_RAW - 12)
// spindown codes
#define SPINDOWN_VENDOR_SPECIFIC 0x00
#define SPINDOWN_125MS 0x01
#define SPINDOWN_250MS 0x02
#define SPINDOWN_500MS 0x03
#define SPINDOWN_1S 0x04
#define SPINDOWN_2S 0x05
#define SPINDOWN_4S 0x06
#define SPINDOWN_8S 0x07
#define SPINDOWN_16S 0x08
#define SPINDOWN_32S 0x09
#define SPINDOWN_1MIN 0x0A
#define SPINDOWN_2MIN 0x0B
#define SPINDOWN_4MIN 0x0C
#define SPINDOWN_8MIN 0x0D
#define SPINDOWN_16MIN 0x0E
#define SPINDOWN_32MIN 0x0F
typedef struct _MMC_READ_CD {
unsigned char Code; // 0xBE
unsigned char RelativeAddress : 1;
unsigned char : 1;
unsigned char ExpectedSectorType : 3;
unsigned char Lun : 3;
unsigned char StartingLBA[4];
unsigned char TransferBlocks[3];
unsigned char : 1;
unsigned char ErrorFlags : 2;
unsigned char IncludeEDC : 1;
unsigned char IncludeUserData : 1;
unsigned char HeaderCode : 2;
unsigned char IncludeSyncData : 1;
unsigned char SubChannelSelection : 3;
unsigned char : 5;
unsigned char Ctrl;
} MMC_READ_CD;
#define itob(i) ((i)/10*16 + (i)%10) /* u_char to BCD */
#define btoi(b) ((b)/16*10 + (b)%16) /* BCD to u_char */
struct CdrStat {
unsigned long Type;
unsigned long Status;
unsigned char Time[3]; // current playing time
};
struct SubQ {
char res0[12];
unsigned char ControlAndADR;
unsigned char TrackNumber;
unsigned char IndexNumber;
unsigned char TrackRelativeAddress[3];
unsigned char Filler;
unsigned char AbsoluteAddress[3];
unsigned char CRC[2];
char res1[72];
};
typedef union {
struct cdrom_msf msf;
unsigned char buf[CD_FRAMESIZE_RAW];
} crdata;
typedef struct {
crdata cr;
int ret;
} CacheData;
long ReadNormal();
long ReadThreaded();
unsigned char* GetBNormal();
unsigned char* GetBThreaded();
long CDRstop(void);
void LoadConf();
void SaveConf();
#ifdef DEBUG
#define PRINTF printf
#else
#define PRINTF(...) /* */
#endif
unsigned int msf_to_lba(char m, char s, char f);
void lba_to_msf(unsigned int s, unsigned char *msf);
void DecodeRawSubData(unsigned char *subbuffer);
unsigned short calcCrc(unsigned char *d, int len);
int OpenCdHandle();
void CloseCdHandle();
int IsCdHandleOpen();
long GetTN(unsigned char *buffer);
long GetTD(unsigned char track, unsigned char *buffer);
long GetTE(unsigned char track, unsigned char *m, unsigned char *s, unsigned char *f);
long ReadSector(crdata *cr);
long PlayCDDA(unsigned char *sector);
long StopCDDA();
long GetStatus(int playing, struct CdrStat *stat);
unsigned char *ReadSub(const unsigned char *time);
#endif
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