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Root/branches/rewrite/i386/include/IOKit/storage/IOCDTypes.h

Source at commit 1129 created 12 years 11 months ago.
By meklort, Change options.o so that it reloads the system config as well. Also change it so that it uses that config for variables (NOTE: if the calue exists in chameleonConfig, it's used instead.
1/*␊
2 * Copyright (c) 1998-2009 Apple Inc. All rights reserved.␊
3 *␊
4 * @APPLE_LICENSE_HEADER_START@␊
5 * ␊
6 * This file contains Original Code and/or Modifications of Original Code␊
7 * as defined in and that are subject to the Apple Public Source License␊
8 * Version 2.0 (the 'License'). You may not use this file except in␊
9 * compliance with the License. Please obtain a copy of the License at␊
10 * http://www.opensource.apple.com/apsl/ and read it before using this␊
11 * file.␊
12 * ␊
13 * The Original Code and all software distributed under the License are␊
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊
18 * Please see the License for the specific language governing rights and␊
19 * limitations under the License.␊
20 * ␊
21 * @APPLE_LICENSE_HEADER_END@␊
22 */␊
23␊
24#ifndef␉_IOCDTYPES_H␊
25#define␉_IOCDTYPES_H␊
26␊
27#include <IOKit/IOTypes.h>␊
28#include <libkern/OSByteOrder.h>␊
29␊
30#pragma pack(push, 1) /* (enable 8-bit struct packing) */␊
31␊
32/*␊
33 * Minutes, Seconds, Frames (M:S:F)␊
34 *␊
35 * All M:S:F values passed across I/O Kit APIs are guaranteed to be␊
36 * binary-encoded numbers (no BCD-encoded numbers are ever passed).␊
37 */␊
38␊
39typedef struct␊
40{␊
41 UInt8 minute;␊
42 UInt8 second;␊
43 UInt8 frame;␊
44} CDMSF;␊
45␊
46/*␊
47 * Media Catalogue Numbers (MCN), International Standard Recording Codes (ISRC)␊
48 *␊
49 * All MCN and ISRC values passed across I/O Kit APIs are guaranteed␊
50 * to have a zero-terminating byte, for convenient use as C strings.␊
51 */␊
52␊
53#define kCDMCNMaxLength 13␊
54#define kCDISRCMaxLength 12␊
55␊
56typedef char CDMCN [kCDMCNMaxLength + 1];␊
57typedef char CDISRC[kCDISRCMaxLength + 1];␊
58␊
59/*␊
60 * Audio Status␊
61 *␊
62 * All CDAudioStatus fields passed across I/O Kit APIs are guaranteed to␊
63 * be binary-encoded numbers (no BCD-encoded numbers are ever passed).␊
64 */␊
65␊
66#define kCDAudioStatusUnsupported 0x00␊
67#define kCDAudioStatusActive 0x11␊
68#define kCDAudioStatusPaused 0x12␊
69#define kCDAudioStatusSuccess 0x13␊
70#define kCDAudioStatusFailure 0x14␊
71#define kCDAudioStatusNone 0x15␊
72␊
73typedef struct␊
74{␊
75 UInt8 status;␊
76 struct␊
77 {␊
78 CDMSF time;␊
79 struct␊
80 {␊
81 UInt8 index;␊
82 UInt8 number;␊
83 CDMSF time;␊
84 } track;␊
85 } position;␊
86} CDAudioStatus;␊
87␊
88/*␊
89 * Table Of Contents␊
90 *␊
91 * All CDTOC fields passed across I/O Kit APIs are guaranteed to be␊
92 * binary-encoded numbers (no BCD-encoded numbers are ever passed).␊
93 */␊
94␊
95typedef struct␊
96{␊
97 UInt8 session;␊
98#ifdef __LITTLE_ENDIAN__␊
99 UInt8 control:4, adr:4;␊
100#else /* !__LITTLE_ENDIAN__ */␊
101 UInt8 adr:4, control:4;␊
102#endif /* !__LITTLE_ENDIAN__ */␊
103 UInt8 tno;␊
104 UInt8 point;␊
105 CDMSF address;␊
106 UInt8 zero;␊
107 CDMSF p;␊
108} CDTOCDescriptor;␊
109␊
110typedef struct␊
111{␊
112 UInt16 length;␊
113 UInt8 sessionFirst;␊
114 UInt8 sessionLast;␊
115 CDTOCDescriptor descriptors[0];␊
116} CDTOC;␊
117␊
118/*␊
119 * Table Of Contents Descriptor Count Convenience Function␊
120 */␊
121␊
122static inline UInt32 CDTOCGetDescriptorCount(CDTOC * toc)␊
123{␊
124 UInt32 tocSize = OSSwapBigToHostInt16(toc->length) + (UInt32) sizeof(toc->length);␊
125␊
126 return (tocSize < (UInt32) sizeof(CDTOC)) ? 0 : ␊
127 (tocSize - (UInt32) sizeof(CDTOC)) / (UInt32) sizeof(CDTOCDescriptor);␊
128}␊
129␊
130/*␊
131 * M:S:F To LBA Convenience Function␊
132 */␊
133␊
134static inline UInt32 CDConvertMSFToLBA(CDMSF msf)␊
135{␊
136 return (((msf.minute * 60U) + msf.second) * 75U) + msf.frame - 150U;␊
137}␊
138␊
139/*␊
140 * M:S:F To Clipped LBA Convenience Function␊
141 */␊
142␊
143static inline UInt32 CDConvertMSFToClippedLBA(CDMSF msf)␊
144{␊
145 return (msf.minute == 0 && msf.second <= 1) ? 0 : CDConvertMSFToLBA(msf);␊
146}␊
147␊
148/*␊
149 * LBA To M:S:F Convenience Function␊
150 */␊
151␊
152static inline CDMSF CDConvertLBAToMSF(UInt32 lba)␊
153{␊
154 CDMSF msf;␊
155␊
156 lba += 150;␊
157 msf.minute = (lba / (75 * 60));␊
158 msf.second = (lba % (75 * 60)) / 75;␊
159 msf.frame = (lba % (75 ));␊
160 ␊
161 return msf;␊
162}␊
163␊
164/*␊
165 * Track Number To M:S:F Convenience Function␊
166 *␊
167 * The CDTOC structure is assumed to be complete, that is, none of␊
168 * the descriptors are missing or clipped due to an insufficiently␊
169 * sized buffer holding the CDTOC contents.␊
170 */␊
171␊
172static inline CDMSF CDConvertTrackNumberToMSF(UInt8 track, CDTOC * toc)␊
173{␊
174 UInt32 count = CDTOCGetDescriptorCount(toc);␊
175 UInt32 i;␊
176 CDMSF msf = { 0xFF, 0xFF, 0xFF };␊
177␊
178 for (i = 0; i < count; i++)␊
179 {␊
180 if (toc->descriptors[i].point == track && toc->descriptors[i].adr == 1)␊
181 {␊
182 msf = toc->descriptors[i].p;␊
183 break;␊
184 }␊
185 }␊
186␊
187 return msf;␊
188}␊
189␊
190/*␊
191 * Sector Areas, Sector Types␊
192 *␊
193 * Bytes Per Type CDDA Mode1 Mode2 Mode2Form1 Mode2Form2␊
194 * Per Area +----------+----------+----------+----------+----------+␊
195 * Sync | 0 | 12 | 12 | 12 | 12 |␊
196 * Header | 0 | 4 | 4 | 4 | 4 |␊
197 * SubHeader | 0 | 0 | 0 | 8 | 8 |␊
198 * User | 2352 | 2048 | 2336 | 2048 | 2328 |␊
199 * Auxiliary | 0 | 288 | 0 | 280 | 0 |␊
200 * ErrorFlags | 294 | 294 | 294 | 294 | 294 |␊
201 * SubChannel | 96 | 96 | 96 | 96 | 96 |␊
202 * SubChannelQ | 16 | 16 | 16 | 16 | 16 |␊
203 * +----------+----------+----------+----------+----------+␊
204 */␊
205␊
206typedef enum␊
207{␊
208 kCDSectorAreaSync = 0x80,␊
209 kCDSectorAreaHeader = 0x20,␊
210 kCDSectorAreaSubHeader = 0x40,␊
211 kCDSectorAreaUser = 0x10,␊
212 kCDSectorAreaAuxiliary = 0x08,␊
213 kCDSectorAreaErrorFlags = 0x02,␊
214 kCDSectorAreaSubChannel = 0x01,␊
215 kCDSectorAreaSubChannelQ = 0x04␊
216} CDSectorArea;␊
217␊
218typedef enum␊
219{␊
220 kCDSectorTypeUnknown = 0x00,␊
221 kCDSectorTypeCDDA = 0x01,␊
222 kCDSectorTypeMode1 = 0x02,␊
223 kCDSectorTypeMode2 = 0x03,␊
224 kCDSectorTypeMode2Form1 = 0x04,␊
225 kCDSectorTypeMode2Form2 = 0x05,␊
226 kCDSectorTypeCount = 0x06␊
227} CDSectorType;␊
228␊
229typedef enum␊
230{␊
231 kCDSectorSizeCDDA = 2352,␊
232 kCDSectorSizeMode1 = 2048,␊
233 kCDSectorSizeMode2 = 2336,␊
234 kCDSectorSizeMode2Form1 = 2048,␊
235 kCDSectorSizeMode2Form2 = 2328,␊
236 kCDSectorSizeWhole = 2352␊
237} CDSectorSize;␊
238␊
239/*␊
240 * Media Types␊
241 */␊
242␊
243typedef enum␊
244{␊
245 kCDMediaTypeUnknown = 0x0100,␊
246 kCDMediaTypeROM = 0x0102, /* CD-ROM */␊
247 kCDMediaTypeR = 0x0104, /* CD-R */␊
248 kCDMediaTypeRW = 0x0105, /* CD-RW */␊
249␊
250 kCDMediaTypeMin = 0x0100,␊
251 kCDMediaTypeMax = 0x01FF␊
252};␊
253␊
254typedef UInt32 CDMediaType;␊
255␊
256/*␊
257 * Media Speed (kB/s)␊
258 */␊
259␊
260#define kCDSpeedMin 0x00B0␊
261#define kCDSpeedMax 0xFFFF␊
262␊
263/*␊
264 * MMC Formats␊
265 */␊
266␊
267// Read Table Of Contents Format Types␊
268typedef UInt8 CDTOCFormat;␊
269enum␊
270{␊
271 kCDTOCFormatTOC = 0x02, // CDTOC␊
272 kCDTOCFormatPMA = 0x03, // CDPMA␊
273 kCDTOCFormatATIP = 0x04, // CDATIP␊
274 kCDTOCFormatTEXT = 0x05 // CDTEXT␊
275};␊
276␊
277// Read Table Of Contents Format 0x03␊
278struct CDPMADescriptor␊
279{␊
280 UInt8 reserved;␊
281#ifdef __LITTLE_ENDIAN__␊
282 UInt8 control:4, adr:4;␊
283#else /* !__LITTLE_ENDIAN__ */␊
284 UInt8 adr:4, control:4;␊
285#endif /* !__LITTLE_ENDIAN__ */␊
286 UInt8 tno;␊
287 UInt8 point;␊
288 CDMSF address;␊
289 UInt8 zero;␊
290 CDMSF p;␊
291};␊
292typedef struct CDPMADescriptor CDPMADescriptor;␊
293␊
294struct CDPMA␊
295{␊
296 UInt16 dataLength;␊
297 UInt8 reserved;␊
298 UInt8 reserved2;␊
299 CDPMADescriptor descriptors[0];␊
300};␊
301typedef struct CDPMA CDPMA;␊
302␊
303// Read Table Of Contents Format 0x04␊
304struct CDATIP␊
305{␊
306 UInt16 dataLength;␊
307 UInt8 reserved[2];␊
308#ifdef __LITTLE_ENDIAN__␊
309 UInt8 referenceSpeed:3;␊
310 UInt8 reserved3:1;␊
311 UInt8 indicativeTargetWritingPower:3;␊
312 UInt8 reserved2:1;␊
313␊
314 UInt8 reserved5:6;␊
315 UInt8 unrestrictedUse:1;␊
316 UInt8 reserved4:1;␊
317␊
318 UInt8 a3Valid:1;␊
319 UInt8 a2Valid:1;␊
320 UInt8 a1Valid:1;␊
321 UInt8 discSubType:3;␊
322 UInt8 discType:1;␊
323 UInt8 reserved6:1;␊
324#else /* !__LITTLE_ENDIAN__ */␊
325 UInt8 reserved2:1;␊
326 UInt8 indicativeTargetWritingPower:3;␊
327 UInt8 reserved3:1;␊
328 UInt8 referenceSpeed:3;␊
329␊
330 UInt8 reserved4:1;␊
331 UInt8 unrestrictedUse:1;␊
332 UInt8 reserved5:6;␊
333␊
334 UInt8 reserved6:1;␊
335 UInt8 discType:1;␊
336 UInt8 discSubType:3;␊
337 UInt8 a1Valid:1;␊
338 UInt8 a2Valid:1;␊
339 UInt8 a3Valid:1;␊
340#endif /* !__LITTLE_ENDIAN__ */␊
341 UInt8 reserved7;␊
342 CDMSF startTimeOfLeadIn;␊
343 UInt8 reserved8;␊
344 CDMSF lastPossibleStartTimeOfLeadOut;␊
345 UInt8 reserved9;␊
346 UInt8 a1[3];␊
347 UInt8 reserved10;␊
348 UInt8 a2[3];␊
349 UInt8 reserved11;␊
350 UInt8 a3[3];␊
351 UInt8 reserved12;␊
352};␊
353typedef struct CDATIP CDATIP;␊
354␊
355// Read Table Of Contents Format 0x05␊
356struct CDTEXTDescriptor␊
357{␊
358 UInt8 packType;␊
359 UInt8 trackNumber;␊
360 UInt8 sequenceNumber;␊
361#ifdef __LITTLE_ENDIAN__␊
362 UInt8 characterPosition:4;␊
363 UInt8 blockNumber:3;␊
364 UInt8 doubleByteCharacterCode:1;␊
365#else /* !__LITTLE_ENDIAN__ */␊
366 UInt8 doubleByteCharacterCode:1;␊
367 UInt8 blockNumber:3;␊
368 UInt8 characterPosition:4;␊
369#endif /* !__LITTLE_ENDIAN__ */␊
370 UInt8 textData[12];␊
371 UInt8 reserved[2];␊
372};␊
373typedef struct CDTEXTDescriptor CDTEXTDescriptor;␊
374␊
375struct CDTEXT␊
376{␊
377 UInt16 dataLength;␊
378 UInt8 reserved;␊
379 UInt8 reserved2;␊
380 CDTEXTDescriptor descriptors[0];␊
381};␊
382typedef struct CDTEXT CDTEXT;␊
383␊
384// Read Disc Information Format␊
385struct CDDiscInfo␊
386{␊
387 UInt16 dataLength;␊
388#ifdef __LITTLE_ENDIAN__␊
389 UInt8 discStatus:2;␊
390 UInt8 stateOfLastSession:2;␊
391 UInt8 erasable:1;␊
392 UInt8 reserved:3;␊
393#else /* !__LITTLE_ENDIAN__ */␊
394 UInt8 reserved:3;␊
395 UInt8 erasable:1;␊
396 UInt8 stateOfLastSession:2;␊
397 UInt8 discStatus:2;␊
398#endif /* !__LITTLE_ENDIAN__ */␊
399 UInt8 numberOfFirstTrack;␊
400 UInt8 numberOfSessionsLSB;␊
401 UInt8 firstTrackNumberInLastSessionLSB;␊
402 UInt8 lastTrackNumberInLastSessionLSB;␊
403#ifdef __LITTLE_ENDIAN__␊
404 UInt8 reserved3:5;␊
405 UInt8 unrestrictedUse:1;␊
406 UInt8 discBarCodeValid:1;␊
407 UInt8 discIdentificationValid:1;␊
408#else /* !__LITTLE_ENDIAN__ */␊
409 UInt8 discIdentificationValid:1;␊
410 UInt8 discBarCodeValid:1;␊
411 UInt8 unrestrictedUse:1;␊
412 UInt8 reserved3:5;␊
413#endif /* !__LITTLE_ENDIAN__ */␊
414 UInt8 discType;␊
415 UInt8 numberOfSessionsMSB;␊
416 UInt8 firstTrackNumberInLastSessionMSB;␊
417 UInt8 lastTrackNumberInLastSessionMSB;␊
418 UInt32 discIdentification;␊
419 UInt8 reserved7;␊
420 CDMSF lastSessionLeadInStartTime;␊
421 UInt8 reserved8;␊
422 CDMSF lastPossibleStartTimeOfLeadOut;␊
423 UInt8 discBarCode[8];␊
424 UInt8 reserved9;␊
425 UInt8 numberOfOPCTableEntries;␊
426 UInt8 opcTableEntries[0];␊
427};␊
428typedef struct CDDiscInfo CDDiscInfo;␊
429␊
430// Read Track Information Address Types␊
431typedef UInt8 CDTrackInfoAddressType;␊
432enum␊
433{␊
434 kCDTrackInfoAddressTypeLBA = 0x00,␊
435 kCDTrackInfoAddressTypeTrackNumber = 0x01,␊
436 kCDTrackInfoAddressTypeSessionNumber = 0x02,␊
437};␊
438␊
439// Read Track Information Format␊
440struct CDTrackInfo␊
441{␊
442 UInt16 dataLength;␊
443 UInt8 trackNumberLSB;␊
444 UInt8 sessionNumberLSB;␊
445 UInt8 reserved;␊
446#ifdef __LITTLE_ENDIAN__␊
447 UInt8 trackMode:4;␊
448 UInt8 copy:1;␊
449 UInt8 damage:1;␊
450 UInt8 reserved3:2;␊
451␊
452 UInt8 dataMode:4;␊
453 UInt8 fixedPacket:1;␊
454 UInt8 packet:1;␊
455 UInt8 blank:1;␊
456 UInt8 reservedTrack:1;␊
457␊
458 UInt8 nextWritableAddressValid:1;␊
459 UInt8 lastRecordedAddressValid:1;␊
460 UInt8 reserved5:6;␊
461#else /* !__LITTLE_ENDIAN__ */␊
462 UInt8 reserved3:2;␊
463 UInt8 damage:1;␊
464 UInt8 copy:1;␊
465 UInt8 trackMode:4;␊
466␊
467 UInt8 reservedTrack:1;␊
468 UInt8 blank:1;␊
469 UInt8 packet:1;␊
470 UInt8 fixedPacket:1;␊
471 UInt8 dataMode:4;␊
472␊
473 UInt8 reserved5:6;␊
474 UInt8 lastRecordedAddressValid:1;␊
475 UInt8 nextWritableAddressValid:1;␊
476#endif /* !__LITTLE_ENDIAN__ */␊
477 UInt32 trackStartAddress;␊
478 UInt32 nextWritableAddress;␊
479 UInt32 freeBlocks;␊
480 UInt32 fixedPacketSize;␊
481 UInt32 trackSize;␊
482 UInt32 lastRecordedAddress;␊
483 UInt8 trackNumberMSB;␊
484 UInt8 sessionNumberMSB;␊
485 UInt8 reserved6;␊
486 UInt8 reserved7;␊
487};␊
488typedef struct CDTrackInfo CDTrackInfo;␊
489␊
490#pragma pack(pop) /* (reset to default struct packing) */␊
491␊
492#endif /* _IOCDTYPES_H */␊
493

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