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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 /* This is the MacOS specific header for the SDL CD-ROM API
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24 Contributed by Matt Slot
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25 */
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26
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27 /* AppleCD Control calls */
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28 #define kVerifyTheDisc 5 /* Returns noErr if there is disc inserted */
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29 #define kEjectTheDisc 7 /* Eject disc from drive */
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30 #define kUserEject 80 /* Enable/disable the CD-ROM eject button */
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31 #define kReadTOC 100 /* Extract various TOC information from the disc */
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32 #define kReadQ 101 /* Extract Q subcode info for the current track */
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33 #define kAudioTrackSearch 103 /* Start playback from the indicated position */
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34 #define kAudioPlay 104 /* Start playback from the indicated position */
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35 #define kAudioPause 105 /* Pause/continue the playback */
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36 #define kAudioStop 106 /* Stop playback at the indicated position */
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37 #define kAudioStatus 107 /* Return audio play status */
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38 #define kAudioControl 109 /* Set the output volume for the audio channels */
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39 #define kReadAudioVolume 112 /* Get the output volume for the audio channels */
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40 #define kSetTrackList 122 /* Set the track program for the audio CD to play */
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41 #define kGetTrackList 123 /* Get the track program the audio CD is playing */
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42 #define kGetTrackIndex 124 /* Get the track index the audio CD is playing */
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43 #define kSetPlayMode 125 /* Set the audio tracks play mode */
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44 #define kGetPlayMode 126 /* Get the audio tracks play mode */
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45
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46 /* AppleCD Status calls */
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47 #define kGetDriveType 96 /* Get the type of the physical CD-ROM drive */
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48 #define kWhoIsThere 97 /* Get a bitmap of SCSI IDs the driver controls */
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49 #define kGetBlockSize 98 /* Get current block size of the CD-ROM drive */
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50
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51 /* AppleCD other constants */
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52 #define kBlockPosition 0 /* Position at the specified logical block number */
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53 #define kAbsMSFPosition 1 /* Position at the specified Min/Sec/Frame (in BCD) */
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54 #define kTrackPosition 2 /* Position at the specified track number (in BCD) */
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55 #define kIndexPosition 3 /* Position at the nth track in program (in BCD) */
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56
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57 #define kMutedPlayMode 0 /* Play the audio track with no output */
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58 #define kStereoPlayMode 9 /* Play the audio track in normal stereo */
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59
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60 #define kControlFieldMask 0x0D /* Bits 3,2,0 in the nibble */
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61 #define kDataTrackMask 0x04 /* Indicates Data Track */
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62
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63 #define kGetTrackRange 1 /* Query TOC for track numbers */
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64 #define kGetLeadOutArea 2 /* Query TOC for "Lead Out" end of audio data */
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65 #define kGetTrackEntries 3 /* Query TOC for track starts and data types */
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66
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67 #define kStatusPlaying 0 /* Audio Play operation in progress */
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68 #define kStatusPaused 1 /* CD-ROM device in Hold Track ("Pause") state */
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69 #define kStatusMuted 2 /* MUTING-ON operation in progress */
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70 #define kStatusDone 3 /* Audio Play completed */
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71 #define kStatusError 4 /* Error occurred during audio play operation */
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72 #define kStatusStopped 5 /* Audio play operation not requested */
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73
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74 #define kPlayModeSequential 0 /* Play tracks in order */
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75 #define kPlayModeShuffled 1 /* Play tracks randomly */
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76 #define kPlayModeProgrammed 2 /* Use custom playlist */
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77
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78 /* AppleCD Gestalt selectors */
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79 #define kGestaltAudioCDSelector 'aucd'
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80 #define kDriverVersion52 0x00000520
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81 #define kDriverVersion51 0x00000510
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82 #define kDriverVersion50 0x00000500
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83
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84 /* Drive type constants */
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85 #define kDriveAppleCD_SC 1
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86 #define kDriveAppleCD_SCPlus_or_150 2
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87 #define kDriveAppleCD_300_or_300Plus 3
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88
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89 /* Misc constants */
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90 #define kFirstSCSIDevice -33
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91 #define kLastSCSIDevice -40
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92
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93 #if PRAGMA_STRUCT_ALIGN
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94 #pragma options align=mac68k
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95 #endif
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96
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97 /* AppleCD driver parameter block */
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98 typedef struct CDCntrlParam {
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99 QElemPtr qLink;
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100 short qType;
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101 short ioTrap;
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102 Ptr ioCmdAddr;
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103 IOCompletionUPP ioCompletion;
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104 OSErr ioResult;
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105 StringPtr ioNamePtr;
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106 short ioVRefNum;
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107 short ioCRefNum;
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108 short csCode;
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109
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110 union {
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111 long longs[6];
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112 short words[11];
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113 unsigned char bytes[22];
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114 struct {
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115 unsigned char status;
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116 unsigned char play;
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117 unsigned char control;
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118 unsigned char minute;
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119 unsigned char second;
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120 unsigned char frame;
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121 } cd;
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122 } csParam;
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123
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124 } CDCntrlParam, *CDCntrlParamPtr;
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125
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126 typedef union CDTrackData {
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127 long value; /* Treat as a longword value */
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128 struct {
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129 unsigned char reserved : 4; /* Unused by AppleCD driver */
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130 unsigned char control : 4; /* Track flags (data track?) */
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131 unsigned char min; /* Start of track (BCD) */
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132 unsigned char sec; /* Start of track (BCD) */
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133 unsigned char frame; /* Start of track (BCD) */
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134 } entry; /* Broken into fields */
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135 } CDTrackData, *CDTrackPtr;
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136
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137 #if PRAGMA_STRUCT_ALIGN
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138 #pragma options align=reset
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139 #endif
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