notaz.gp2x.de / pcsx_rearmed.git / blame
| Commit | Line | Data |
|---|---|---|
| 3719602c PC |
1 | /* license:BSD-3-Clause |
| 2 | * copyright-holders:Aaron Giles | |
| 3 | *************************************************************************** | |
| 4 | ||
| 5 | cdrom.h | |
| 6 | ||
| 7 | Generic MAME cd-rom implementation | |
| 8 | ||
| 9 | ***************************************************************************/ | |
| 10 | ||
| 11 | #pragma once | |
| 12 | ||
| 13 | #ifndef __CDROM_H__ | |
| 14 | #define __CDROM_H__ | |
| 15 | ||
| 16 | #include <stdint.h> | |
| 17 | ||
| 18 | /*************************************************************************** | |
| 19 | CONSTANTS | |
| 20 | ***************************************************************************/ | |
| 21 | ||
| 22 | /* tracks are padded to a multiple of this many frames */ | |
| 23 | #define CD_TRACK_PADDING (4) | |
| 24 | ||
| 25 | #define CD_MAX_TRACKS (99) /* AFAIK the theoretical limit */ | |
| 26 | #define CD_MAX_SECTOR_DATA (2352) | |
| 27 | #define CD_MAX_SUBCODE_DATA (96) | |
| 28 | ||
| 29 | #define CD_FRAME_SIZE (CD_MAX_SECTOR_DATA + CD_MAX_SUBCODE_DATA) | |
| 30 | #define CD_FRAMES_PER_HUNK (8) | |
| 31 | ||
| 32 | #define CD_METADATA_WORDS (1+(CD_MAX_TRACKS * 6)) | |
| 33 | ||
| 34 | enum | |
| 35 | { | |
| 36 | CD_TRACK_MODE1 = 0, /* mode 1 2048 bytes/sector */ | |
| 37 | CD_TRACK_MODE1_RAW, /* mode 1 2352 bytes/sector */ | |
| 38 | CD_TRACK_MODE2, /* mode 2 2336 bytes/sector */ | |
| 39 | CD_TRACK_MODE2_FORM1, /* mode 2 2048 bytes/sector */ | |
| 40 | CD_TRACK_MODE2_FORM2, /* mode 2 2324 bytes/sector */ | |
| 41 | CD_TRACK_MODE2_FORM_MIX, /* mode 2 2336 bytes/sector */ | |
| 42 | CD_TRACK_MODE2_RAW, /* mode 2 2352 bytes / sector */ | |
| 43 | CD_TRACK_AUDIO, /* redbook audio track 2352 bytes/sector (588 samples) */ | |
| 44 | ||
| 45 | CD_TRACK_RAW_DONTCARE /* special flag for cdrom_read_data: just return me whatever is there */ | |
| 46 | }; | |
| 47 | ||
| 48 | enum | |
| 49 | { | |
| 50 | CD_SUB_NORMAL = 0, /* "cooked" 96 bytes per sector */ | |
| 51 | CD_SUB_RAW, /* raw uninterleaved 96 bytes per sector */ | |
| 52 | CD_SUB_NONE /* no subcode data stored */ | |
| 53 | }; | |
| 54 | ||
| 55 | #define CD_FLAG_GDROM 0x00000001 /* disc is a GD-ROM, all tracks should be stored with GD-ROM metadata */ | |
| 56 | #define CD_FLAG_GDROMLE 0x00000002 /* legacy GD-ROM, with little-endian CDDA data */ | |
| 57 | ||
| 58 | /*************************************************************************** | |
| 59 | FUNCTION PROTOTYPES | |
| 60 | ***************************************************************************/ | |
| 61 | ||
| 62 | #ifdef WANT_RAW_DATA_SECTOR | |
| 63 | /* ECC utilities */ | |
| 64 | int ecc_verify(const uint8_t *sector); | |
| 65 | void ecc_generate(uint8_t *sector); | |
| 66 | void ecc_clear(uint8_t *sector); | |
| 67 | #endif | |
| 68 | ||
| 69 | #endif /* __CDROM_H__ */ |