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1 | /* |
2 | * -- <linux/cdrom.h> |
3 | * General header file for linux CD-ROM drivers |
4 | * Copyright (C) 1992 David Giller, rafetmad@oxy.edu |
5 | * 1994, 1995 Eberhard Mönkeberg, emoenke@gwdg.de |
6 | * 1996 David van Leeuwen, david@tm.tno.nl |
7 | * 1997, 1998 Erik Andersen, andersee@debian.org |
8 | * 1998-2002 Jens Axboe, axboe@suse.de |
9 | */ |
10 | |
11 | #ifndef _LINUX_CDROM_H |
12 | #define _LINUX_CDROM_H |
13 | |
14 | #include <linux/types.h> |
15 | #include <asm/byteorder.h> |
16 | |
17 | /******************************************************* |
18 | * As of Linux 2.1.x, all Linux CD-ROM application programs will use this |
19 | * (and only this) include file. It is my hope to provide Linux with |
20 | * a uniform interface between software accessing CD-ROMs and the various |
21 | * device drivers that actually talk to the drives. There may still be |
22 | * 23 different kinds of strange CD-ROM drives, but at least there will |
23 | * now be one, and only one, Linux CD-ROM interface. |
24 | * |
25 | * Additionally, as of Linux 2.1.x, all Linux application programs |
26 | * should use the O_NONBLOCK option when opening a CD-ROM device |
27 | * for subsequent ioctl commands. This allows for neat system errors |
28 | * like "No medium found" or "Wrong medium type" upon attempting to |
29 | * mount or play an empty slot, mount an audio disc, or play a data disc. |
30 | * Generally, changing an application program to support O_NONBLOCK |
31 | * is as easy as the following: |
32 | * - drive = open("/dev/cdrom", O_RDONLY); |
33 | * + drive = open("/dev/cdrom", O_RDONLY | O_NONBLOCK); |
34 | * It is worth the small change. |
35 | * |
36 | * Patches for many common CD programs (provided by David A. van Leeuwen) |
37 | * can be found at: ftp://ftp.gwdg.de/pub/linux/cdrom/drivers/cm206/ |
38 | * |
39 | *******************************************************/ |
40 | |
41 | /* When a driver supports a certain function, but the cdrom drive we are |
42 | * using doesn't, we will return the error EDRIVE_CANT_DO_THIS. We will |
43 | * borrow the "Operation not supported" error from the network folks to |
44 | * accomplish this. Maybe someday we will get a more targeted error code, |
45 | * but this will do for now... */ |
46 | #define EDRIVE_CANT_DO_THIS EOPNOTSUPP |
47 | |
48 | /******************************************************* |
49 | * The CD-ROM IOCTL commands -- these should be supported by |
50 | * all the various cdrom drivers. For the CD-ROM ioctls, we |
51 | * will commandeer byte 0x53, or 'S'. |
52 | *******************************************************/ |
53 | #define CDROMPAUSE 0x5301 /* Pause Audio Operation */ |
54 | #define CDROMRESUME 0x5302 /* Resume paused Audio Operation */ |
55 | #define CDROMPLAYMSF 0x5303 /* Play Audio MSF (struct cdrom_msf) */ |
56 | #define CDROMPLAYTRKIND 0x5304 /* Play Audio Track/index |
57 | (struct cdrom_ti) */ |
58 | #define CDROMREADTOCHDR 0x5305 /* Read TOC header |
59 | (struct cdrom_tochdr) */ |
60 | #define CDROMREADTOCENTRY 0x5306 /* Read TOC entry |
61 | (struct cdrom_tocentry) */ |
62 | #define CDROMSTOP 0x5307 /* Stop the cdrom drive */ |
63 | #define CDROMSTART 0x5308 /* Start the cdrom drive */ |
64 | #define CDROMEJECT 0x5309 /* Ejects the cdrom media */ |
65 | #define CDROMVOLCTRL 0x530a /* Control output volume |
66 | (struct cdrom_volctrl) */ |
67 | #define CDROMSUBCHNL 0x530b /* Read subchannel data |
68 | (struct cdrom_subchnl) */ |
69 | #define CDROMREADMODE2 0x530c /* Read CDROM mode 2 data (2336 Bytes) |
70 | (struct cdrom_read) */ |
71 | #define CDROMREADMODE1 0x530d /* Read CDROM mode 1 data (2048 Bytes) |
72 | (struct cdrom_read) */ |
73 | #define CDROMREADAUDIO 0x530e /* (struct cdrom_read_audio) */ |
74 | #define CDROMEJECT_SW 0x530f /* enable(1)/disable(0) auto-ejecting */ |
75 | #define CDROMMULTISESSION 0x5310 /* Obtain the start-of-last-session |
76 | address of multi session disks |
77 | (struct cdrom_multisession) */ |
78 | #define CDROM_GET_MCN 0x5311 /* Obtain the "Universal Product Code" |
79 | if available (struct cdrom_mcn) */ |
80 | #define CDROM_GET_UPC CDROM_GET_MCN /* This one is deprecated, |
81 | but here anyway for compatibility */ |
82 | #define CDROMRESET 0x5312 /* hard-reset the drive */ |
83 | #define CDROMVOLREAD 0x5313 /* Get the drive's volume setting |
84 | (struct cdrom_volctrl) */ |
85 | #define CDROMREADRAW 0x5314 /* read data in raw mode (2352 Bytes) |
86 | (struct cdrom_read) */ |
87 | /* |
88 | * These ioctls are used only used in aztcd.c and optcd.c |
89 | */ |
90 | #define CDROMREADCOOKED 0x5315 /* read data in cooked mode */ |
91 | #define CDROMSEEK 0x5316 /* seek msf address */ |
92 | |
93 | /* |
94 | * This ioctl is only used by the scsi-cd driver. |
95 | It is for playing audio in logical block addressing mode. |
96 | */ |
97 | #define CDROMPLAYBLK 0x5317 /* (struct cdrom_blk) */ |
98 | |
99 | /* |
100 | * These ioctls are only used in optcd.c |
101 | */ |
102 | #define CDROMREADALL 0x5318 /* read all 2646 bytes */ |
103 | |
104 | /* |
105 | * These ioctls are (now) only in ide-cd.c for controlling |
106 | * drive spindown time. They should be implemented in the |
107 | * Uniform driver, via generic packet commands, GPCMD_MODE_SELECT_10, |
108 | * GPCMD_MODE_SENSE_10 and the GPMODE_POWER_PAGE... |
109 | * -Erik |
110 | */ |
111 | #define CDROMGETSPINDOWN 0x531d |
112 | #define CDROMSETSPINDOWN 0x531e |
113 | |
114 | /* |
115 | * These ioctls are implemented through the uniform CD-ROM driver |
116 | * They _will_ be adopted by all CD-ROM drivers, when all the CD-ROM |
117 | * drivers are eventually ported to the uniform CD-ROM driver interface. |
118 | */ |
119 | #define CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */ |
120 | #define CDROM_SET_OPTIONS 0x5320 /* Set behavior options */ |
121 | #define CDROM_CLEAR_OPTIONS 0x5321 /* Clear behavior options */ |
122 | #define CDROM_SELECT_SPEED 0x5322 /* Set the CD-ROM speed */ |
123 | #define CDROM_SELECT_DISC 0x5323 /* Select disc (for juke-boxes) */ |
124 | #define CDROM_MEDIA_CHANGED 0x5325 /* Check is media changed */ |
125 | #define CDROM_DRIVE_STATUS 0x5326 /* Get tray position, etc. */ |
126 | #define CDROM_DISC_STATUS 0x5327 /* Get disc type, etc. */ |
127 | #define CDROM_CHANGER_NSLOTS 0x5328 /* Get number of slots */ |
128 | #define CDROM_LOCKDOOR 0x5329 /* lock or unlock door */ |
129 | #define CDROM_DEBUG 0x5330 /* Turn debug messages on/off */ |
130 | #define CDROM_GET_CAPABILITY 0x5331 /* get capabilities */ |
131 | |
132 | /* Note that scsi/scsi_ioctl.h also uses 0x5382 - 0x5386. |
133 | * Future CDROM ioctls should be kept below 0x537F |
134 | */ |
135 | |
136 | /* This ioctl is only used by sbpcd at the moment */ |
137 | #define CDROMAUDIOBUFSIZ 0x5382 /* set the audio buffer size */ |
138 | /* conflict with SCSI_IOCTL_GET_IDLUN */ |
139 | |
140 | /* DVD-ROM Specific ioctls */ |
141 | #define DVD_READ_STRUCT 0x5390 /* Read structure */ |
142 | #define DVD_WRITE_STRUCT 0x5391 /* Write structure */ |
143 | #define DVD_AUTH 0x5392 /* Authentication */ |
144 | |
145 | #define CDROM_SEND_PACKET 0x5393 /* send a packet to the drive */ |
146 | #define CDROM_NEXT_WRITABLE 0x5394 /* get next writable block */ |
147 | #define CDROM_LAST_WRITTEN 0x5395 /* get last block written on disc */ |
148 | |
149 | /******************************************************* |
150 | * CDROM IOCTL structures |
151 | *******************************************************/ |
152 | |
153 | /* Address in MSF format */ |
154 | struct cdrom_msf0 |
155 | { |
156 | __u8 minute; |
157 | __u8 second; |
158 | __u8 frame; |
159 | }; |
160 | |
161 | /* Address in either MSF or logical format */ |
162 | union cdrom_addr |
163 | { |
164 | struct cdrom_msf0 msf; |
165 | int lba; |
166 | }; |
167 | |
168 | /* This struct is used by the CDROMPLAYMSF ioctl */ |
169 | struct cdrom_msf |
170 | { |
171 | __u8 cdmsf_min0; /* start minute */ |
172 | __u8 cdmsf_sec0; /* start second */ |
173 | __u8 cdmsf_frame0; /* start frame */ |
174 | __u8 cdmsf_min1; /* end minute */ |
175 | __u8 cdmsf_sec1; /* end second */ |
176 | __u8 cdmsf_frame1; /* end frame */ |
177 | }; |
178 | |
179 | /* This struct is used by the CDROMPLAYTRKIND ioctl */ |
180 | struct cdrom_ti |
181 | { |
182 | __u8 cdti_trk0; /* start track */ |
183 | __u8 cdti_ind0; /* start index */ |
184 | __u8 cdti_trk1; /* end track */ |
185 | __u8 cdti_ind1; /* end index */ |
186 | }; |
187 | |
188 | /* This struct is used by the CDROMREADTOCHDR ioctl */ |
189 | struct cdrom_tochdr |
190 | { |
191 | __u8 cdth_trk0; /* start track */ |
192 | __u8 cdth_trk1; /* end track */ |
193 | }; |
194 | |
195 | /* This struct is used by the CDROMVOLCTRL and CDROMVOLREAD ioctls */ |
196 | struct cdrom_volctrl |
197 | { |
198 | __u8 channel0; |
199 | __u8 channel1; |
200 | __u8 channel2; |
201 | __u8 channel3; |
202 | }; |
203 | |
204 | /* This struct is used by the CDROMSUBCHNL ioctl */ |
205 | struct cdrom_subchnl |
206 | { |
207 | __u8 cdsc_format; |
208 | __u8 cdsc_audiostatus; |
209 | __u8 cdsc_adr: 4; |
210 | __u8 cdsc_ctrl: 4; |
211 | __u8 cdsc_trk; |
212 | __u8 cdsc_ind; |
213 | union cdrom_addr cdsc_absaddr; |
214 | union cdrom_addr cdsc_reladdr; |
215 | }; |
216 | |
217 | |
218 | /* This struct is used by the CDROMREADTOCENTRY ioctl */ |
219 | struct cdrom_tocentry |
220 | { |
221 | __u8 cdte_track; |
222 | __u8 cdte_adr :4; |
223 | __u8 cdte_ctrl :4; |
224 | __u8 cdte_format; |
225 | union cdrom_addr cdte_addr; |
226 | __u8 cdte_datamode; |
227 | }; |
228 | |
229 | /* This struct is used by the CDROMREADMODE1, and CDROMREADMODE2 ioctls */ |
230 | struct cdrom_read |
231 | { |
232 | int cdread_lba; |
233 | char *cdread_bufaddr; |
234 | int cdread_buflen; |
235 | }; |
236 | |
237 | /* This struct is used by the CDROMREADAUDIO ioctl */ |
238 | struct cdrom_read_audio |
239 | { |
240 | union cdrom_addr addr; /* frame address */ |
241 | __u8 addr_format; /* CDROM_LBA or CDROM_MSF */ |
242 | int nframes; /* number of 2352-byte-frames to read at once */ |
243 | __u8 __user *buf; /* frame buffer (size: nframes*2352 bytes) */ |
244 | }; |
245 | |
246 | /* This struct is used with the CDROMMULTISESSION ioctl */ |
247 | struct cdrom_multisession |
248 | { |
249 | union cdrom_addr addr; /* frame address: start-of-last-session |
250 | (not the new "frame 16"!). Only valid |
251 | if the "xa_flag" is true. */ |
252 | __u8 xa_flag; /* 1: "is XA disk" */ |
253 | __u8 addr_format; /* CDROM_LBA or CDROM_MSF */ |
254 | }; |
255 | |
256 | /* This struct is used with the CDROM_GET_MCN ioctl. |
257 | * Very few audio discs actually have Universal Product Code information, |
258 | * which should just be the Medium Catalog Number on the box. Also note |
259 | * that the way the codeis written on CD is _not_ uniform across all discs! |
260 | */ |
261 | struct cdrom_mcn |
262 | { |
263 | __u8 medium_catalog_number[14]; /* 13 ASCII digits, null-terminated */ |
264 | }; |
265 | |
266 | /* This is used by the CDROMPLAYBLK ioctl */ |
267 | struct cdrom_blk |
268 | { |
269 | unsigned from; |
270 | unsigned short len; |
271 | }; |
272 | |
273 | #define CDROM_PACKET_SIZE 12 |
274 | |
275 | #define CGC_DATA_UNKNOWN 0 |
276 | #define CGC_DATA_WRITE 1 |
277 | #define CGC_DATA_READ 2 |
278 | #define CGC_DATA_NONE 3 |
279 | |
280 | /* for CDROM_PACKET_COMMAND ioctl */ |
281 | struct cdrom_generic_command |
282 | { |
283 | unsigned char cmd[CDROM_PACKET_SIZE]; |
284 | unsigned char __user *buffer; |
285 | unsigned int buflen; |
286 | int stat; |
287 | struct request_sense __user *sense; |
288 | unsigned char data_direction; |
289 | int quiet; |
290 | int timeout; |
291 | void __user *reserved[1]; /* unused, actually */ |
292 | }; |
293 | |
294 | /* |
295 | * A CD-ROM physical sector size is 2048, 2052, 2056, 2324, 2332, 2336, |
296 | * 2340, or 2352 bytes long. |
297 | |
298 | * Sector types of the standard CD-ROM data formats: |
299 | * |
300 | * format sector type user data size (bytes) |
301 | * ----------------------------------------------------------------------------- |
302 | * 1 (Red Book) CD-DA 2352 (CD_FRAMESIZE_RAW) |
303 | * 2 (Yellow Book) Mode1 Form1 2048 (CD_FRAMESIZE) |
304 | * 3 (Yellow Book) Mode1 Form2 2336 (CD_FRAMESIZE_RAW0) |
305 | * 4 (Green Book) Mode2 Form1 2048 (CD_FRAMESIZE) |
306 | * 5 (Green Book) Mode2 Form2 2328 (2324+4 spare bytes) |
307 | * |
308 | * |
309 | * The layout of the standard CD-ROM data formats: |
310 | * ----------------------------------------------------------------------------- |
311 | * - audio (red): | audio_sample_bytes | |
312 | * | 2352 | |
313 | * |
314 | * - data (yellow, mode1): | sync - head - data - EDC - zero - ECC | |
315 | * | 12 - 4 - 2048 - 4 - 8 - 276 | |
316 | * |
317 | * - data (yellow, mode2): | sync - head - data | |
318 | * | 12 - 4 - 2336 | |
319 | * |
320 | * - XA data (green, mode2 form1): | sync - head - sub - data - EDC - ECC | |
321 | * | 12 - 4 - 8 - 2048 - 4 - 276 | |
322 | * |
323 | * - XA data (green, mode2 form2): | sync - head - sub - data - Spare | |
324 | * | 12 - 4 - 8 - 2324 - 4 | |
325 | * |
326 | */ |
327 | |
328 | /* Some generally useful CD-ROM information -- mostly based on the above */ |
329 | #define CD_MINS 74 /* max. minutes per CD, not really a limit */ |
330 | #define CD_SECS 60 /* seconds per minute */ |
331 | #define CD_FRAMES 75 /* frames per second */ |
332 | #define CD_SYNC_SIZE 12 /* 12 sync bytes per raw data frame */ |
333 | #define CD_MSF_OFFSET 150 /* MSF numbering offset of first frame */ |
334 | #define CD_CHUNK_SIZE 24 /* lowest-level "data bytes piece" */ |
335 | #define CD_NUM_OF_CHUNKS 98 /* chunks per frame */ |
336 | #define CD_FRAMESIZE_SUB 96 /* subchannel data "frame" size */ |
337 | #define CD_HEAD_SIZE 4 /* header (address) bytes per raw data frame */ |
338 | #define CD_SUBHEAD_SIZE 8 /* subheader bytes per raw XA data frame */ |
339 | #define CD_EDC_SIZE 4 /* bytes EDC per most raw data frame types */ |
340 | #define CD_ZERO_SIZE 8 /* bytes zero per yellow book mode 1 frame */ |
341 | #define CD_ECC_SIZE 276 /* bytes ECC per most raw data frame types */ |
342 | #define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */ |
343 | #define CD_FRAMESIZE_RAW 2352 /* bytes per frame, "raw" mode */ |
344 | #define CD_FRAMESIZE_RAWER 2646 /* The maximum possible returned bytes */ |
345 | /* most drives don't deliver everything: */ |
346 | #define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE) /*2340*/ |
347 | #define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW-CD_SYNC_SIZE-CD_HEAD_SIZE) /*2336*/ |
348 | |
349 | #define CD_XA_HEAD (CD_HEAD_SIZE+CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */ |
350 | #define CD_XA_TAIL (CD_EDC_SIZE+CD_ECC_SIZE) /* "after data" part of raw XA frame */ |
351 | #define CD_XA_SYNC_HEAD (CD_SYNC_SIZE+CD_XA_HEAD) /* sync bytes + header of XA frame */ |
352 | |
353 | /* CD-ROM address types (cdrom_tocentry.cdte_format) */ |
354 | #define CDROM_LBA 0x01 /* "logical block": first frame is #0 */ |
355 | #define CDROM_MSF 0x02 /* "minute-second-frame": binary, not bcd here! */ |
356 | |
357 | /* bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl) */ |
358 | #define CDROM_DATA_TRACK 0x04 |
359 | |
360 | /* The leadout track is always 0xAA, regardless of # of tracks on disc */ |
361 | #define CDROM_LEADOUT 0xAA |
362 | |
363 | /* audio states (from SCSI-2, but seen with other drives, too) */ |
364 | #define CDROM_AUDIO_INVALID 0x00 /* audio status not supported */ |
365 | #define CDROM_AUDIO_PLAY 0x11 /* audio play operation in progress */ |
366 | #define CDROM_AUDIO_PAUSED 0x12 /* audio play operation paused */ |
367 | #define CDROM_AUDIO_COMPLETED 0x13 /* audio play successfully completed */ |
368 | #define CDROM_AUDIO_ERROR 0x14 /* audio play stopped due to error */ |
369 | #define CDROM_AUDIO_NO_STATUS 0x15 /* no current audio status to return */ |
370 | |
371 | /* capability flags used with the uniform CD-ROM driver */ |
372 | #define CDC_CLOSE_TRAY 0x1 /* caddy systems _can't_ close */ |
373 | #define CDC_OPEN_TRAY 0x2 /* but _can_ eject. */ |
374 | #define CDC_LOCK 0x4 /* disable manual eject */ |
375 | #define CDC_SELECT_SPEED 0x8 /* programmable speed */ |
376 | #define CDC_SELECT_DISC 0x10 /* select disc from juke-box */ |
377 | #define CDC_MULTI_SESSION 0x20 /* read sessions>1 */ |
378 | #define CDC_MCN 0x40 /* Medium Catalog Number */ |
379 | #define CDC_MEDIA_CHANGED 0x80 /* media changed */ |
380 | #define CDC_PLAY_AUDIO 0x100 /* audio functions */ |
381 | #define CDC_RESET 0x200 /* hard reset device */ |
382 | #define CDC_DRIVE_STATUS 0x800 /* driver implements drive status */ |
383 | #define CDC_GENERIC_PACKET 0x1000 /* driver implements generic packets */ |
384 | #define CDC_CD_R 0x2000 /* drive is a CD-R */ |
385 | #define CDC_CD_RW 0x4000 /* drive is a CD-RW */ |
386 | #define CDC_DVD 0x8000 /* drive is a DVD */ |
387 | #define CDC_DVD_R 0x10000 /* drive can write DVD-R */ |
388 | #define CDC_DVD_RAM 0x20000 /* drive can write DVD-RAM */ |
389 | #define CDC_MO_DRIVE 0x40000 /* drive is an MO device */ |
390 | #define CDC_MRW 0x80000 /* drive can read MRW */ |
391 | #define CDC_MRW_W 0x100000 /* drive can write MRW */ |
392 | #define CDC_RAM 0x200000 /* ok to open for WRITE */ |
393 | |
394 | /* drive status possibilities returned by CDROM_DRIVE_STATUS ioctl */ |
395 | #define CDS_NO_INFO 0 /* if not implemented */ |
396 | #define CDS_NO_DISC 1 |
397 | #define CDS_TRAY_OPEN 2 |
398 | #define CDS_DRIVE_NOT_READY 3 |
399 | #define CDS_DISC_OK 4 |
400 | |
401 | /* return values for the CDROM_DISC_STATUS ioctl */ |
402 | /* can also return CDS_NO_[INFO|DISC], from above */ |
403 | #define CDS_AUDIO 100 |
404 | #define CDS_DATA_1 101 |
405 | #define CDS_DATA_2 102 |
406 | #define CDS_XA_2_1 103 |
407 | #define CDS_XA_2_2 104 |
408 | #define CDS_MIXED 105 |
409 | |
410 | /* User-configurable behavior options for the uniform CD-ROM driver */ |
411 | #define CDO_AUTO_CLOSE 0x1 /* close tray on first open() */ |
412 | #define CDO_AUTO_EJECT 0x2 /* open tray on last release() */ |
413 | #define CDO_USE_FFLAGS 0x4 /* use O_NONBLOCK information on open */ |
414 | #define CDO_LOCK 0x8 /* lock tray on open files */ |
415 | #define CDO_CHECK_TYPE 0x10 /* check type on open for data */ |
416 | |
417 | /* Special codes used when specifying changer slots. */ |
418 | #define CDSL_NONE (INT_MAX-1) |
419 | #define CDSL_CURRENT INT_MAX |
420 | |
421 | /* For partition based multisession access. IDE can handle 64 partitions |
422 | * per drive - SCSI CD-ROM's use minors to differentiate between the |
423 | * various drives, so we can't do multisessions the same way there. |
424 | * Use the -o session=x option to mount on them. |
425 | */ |
426 | #define CD_PART_MAX 64 |
427 | #define CD_PART_MASK (CD_PART_MAX - 1) |
428 | |
429 | /********************************************************************* |
430 | * Generic Packet commands, MMC commands, and such |
431 | *********************************************************************/ |
432 | |
433 | /* The generic packet command opcodes for CD/DVD Logical Units, |
434 | * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ |
435 | #define GPCMD_BLANK 0xa1 |
436 | #define GPCMD_CLOSE_TRACK 0x5b |
437 | #define GPCMD_FLUSH_CACHE 0x35 |
438 | #define GPCMD_FORMAT_UNIT 0x04 |
439 | #define GPCMD_GET_CONFIGURATION 0x46 |
440 | #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a |
441 | #define GPCMD_GET_PERFORMANCE 0xac |
442 | #define GPCMD_INQUIRY 0x12 |
443 | #define GPCMD_LOAD_UNLOAD 0xa6 |
444 | #define GPCMD_MECHANISM_STATUS 0xbd |
445 | #define GPCMD_MODE_SELECT_10 0x55 |
446 | #define GPCMD_MODE_SENSE_10 0x5a |
447 | #define GPCMD_PAUSE_RESUME 0x4b |
448 | #define GPCMD_PLAY_AUDIO_10 0x45 |
449 | #define GPCMD_PLAY_AUDIO_MSF 0x47 |
450 | #define GPCMD_PLAY_AUDIO_TI 0x48 |
451 | #define GPCMD_PLAY_CD 0xbc |
452 | #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e |
453 | #define GPCMD_READ_10 0x28 |
454 | #define GPCMD_READ_12 0xa8 |
455 | #define GPCMD_READ_BUFFER 0x3c |
456 | #define GPCMD_READ_BUFFER_CAPACITY 0x5c |
457 | #define GPCMD_READ_CDVD_CAPACITY 0x25 |
458 | #define GPCMD_READ_CD 0xbe |
459 | #define GPCMD_READ_CD_MSF 0xb9 |
460 | #define GPCMD_READ_DISC_INFO 0x51 |
461 | #define GPCMD_READ_DVD_STRUCTURE 0xad |
462 | #define GPCMD_READ_FORMAT_CAPACITIES 0x23 |
463 | #define GPCMD_READ_HEADER 0x44 |
464 | #define GPCMD_READ_TRACK_RZONE_INFO 0x52 |
465 | #define GPCMD_READ_SUBCHANNEL 0x42 |
466 | #define GPCMD_READ_TOC_PMA_ATIP 0x43 |
467 | #define GPCMD_REPAIR_RZONE_TRACK 0x58 |
468 | #define GPCMD_REPORT_KEY 0xa4 |
469 | #define GPCMD_REQUEST_SENSE 0x03 |
470 | #define GPCMD_RESERVE_RZONE_TRACK 0x53 |
471 | #define GPCMD_SEND_CUE_SHEET 0x5d |
472 | #define GPCMD_SCAN 0xba |
473 | #define GPCMD_SEEK 0x2b |
474 | #define GPCMD_SEND_DVD_STRUCTURE 0xbf |
475 | #define GPCMD_SEND_EVENT 0xa2 |
476 | #define GPCMD_SEND_KEY 0xa3 |
477 | #define GPCMD_SEND_OPC 0x54 |
478 | #define GPCMD_SET_READ_AHEAD 0xa7 |
479 | #define GPCMD_SET_STREAMING 0xb6 |
480 | #define GPCMD_START_STOP_UNIT 0x1b |
481 | #define GPCMD_STOP_PLAY_SCAN 0x4e |
482 | #define GPCMD_TEST_UNIT_READY 0x00 |
483 | #define GPCMD_VERIFY_10 0x2f |
484 | #define GPCMD_WRITE_10 0x2a |
485 | #define GPCMD_WRITE_12 0xaa |
486 | #define GPCMD_WRITE_AND_VERIFY_10 0x2e |
487 | #define GPCMD_WRITE_BUFFER 0x3b |
488 | /* This is listed as optional in ATAPI 2.6, but is (curiously) |
489 | * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji |
490 | * Table 377 as an MMC command for SCSi devices though... Most ATAPI |
491 | * drives support it. */ |
492 | #define GPCMD_SET_SPEED 0xbb |
493 | /* This seems to be a SCSI specific CD-ROM opcode |
494 | * to play data at track/index */ |
495 | #define GPCMD_PLAYAUDIO_TI 0x48 |
496 | /* |
497 | * From MS Media Status Notification Support Specification. For |
498 | * older drives only. |
499 | */ |
500 | #define GPCMD_GET_MEDIA_STATUS 0xda |
501 | |
502 | /* Mode page codes for mode sense/set */ |
503 | #define GPMODE_VENDOR_PAGE 0x00 |
504 | #define GPMODE_R_W_ERROR_PAGE 0x01 |
505 | #define GPMODE_WRITE_PARMS_PAGE 0x05 |
506 | #define GPMODE_WCACHING_PAGE 0x08 |
507 | #define GPMODE_AUDIO_CTL_PAGE 0x0e |
508 | #define GPMODE_POWER_PAGE 0x1a |
509 | #define GPMODE_FAULT_FAIL_PAGE 0x1c |
510 | #define GPMODE_TO_PROTECT_PAGE 0x1d |
511 | #define GPMODE_CAPABILITIES_PAGE 0x2a |
512 | #define GPMODE_ALL_PAGES 0x3f |
513 | /* Not in Mt. Fuji, but in ATAPI 2.6 -- deprecated now in favor |
514 | * of MODE_SENSE_POWER_PAGE */ |
515 | #define GPMODE_CDROM_PAGE 0x0d |
516 | |
517 | |
518 | |
519 | /* DVD struct types */ |
520 | #define DVD_STRUCT_PHYSICAL 0x00 |
521 | #define DVD_STRUCT_COPYRIGHT 0x01 |
522 | #define DVD_STRUCT_DISCKEY 0x02 |
523 | #define DVD_STRUCT_BCA 0x03 |
524 | #define DVD_STRUCT_MANUFACT 0x04 |
525 | |
526 | struct dvd_layer { |
527 | __u8 book_version : 4; |
528 | __u8 book_type : 4; |
529 | __u8 min_rate : 4; |
530 | __u8 disc_size : 4; |
531 | __u8 layer_type : 4; |
532 | __u8 track_path : 1; |
533 | __u8 nlayers : 2; |
534 | __u8 track_density : 4; |
535 | __u8 linear_density : 4; |
536 | __u8 bca : 1; |
537 | __u32 start_sector; |
538 | __u32 end_sector; |
539 | __u32 end_sector_l0; |
540 | }; |
541 | |
542 | #define DVD_LAYERS 4 |
543 | |
544 | struct dvd_physical { |
545 | __u8 type; |
546 | __u8 layer_num; |
547 | struct dvd_layer layer[DVD_LAYERS]; |
548 | }; |
549 | |
550 | struct dvd_copyright { |
551 | __u8 type; |
552 | |
553 | __u8 layer_num; |
554 | __u8 cpst; |
555 | __u8 rmi; |
556 | }; |
557 | |
558 | struct dvd_disckey { |
559 | __u8 type; |
560 | |
561 | unsigned agid : 2; |
562 | __u8 value[2048]; |
563 | }; |
564 | |
565 | struct dvd_bca { |
566 | __u8 type; |
567 | |
568 | int len; |
569 | __u8 value[188]; |
570 | }; |
571 | |
572 | struct dvd_manufact { |
573 | __u8 type; |
574 | |
575 | __u8 layer_num; |
576 | int len; |
577 | __u8 value[2048]; |
578 | }; |
579 | |
580 | typedef union { |
581 | __u8 type; |
582 | |
583 | struct dvd_physical physical; |
584 | struct dvd_copyright copyright; |
585 | struct dvd_disckey disckey; |
586 | struct dvd_bca bca; |
587 | struct dvd_manufact manufact; |
588 | } dvd_struct; |
589 | |
590 | /* |
591 | * DVD authentication ioctl |
592 | */ |
593 | |
594 | /* Authentication states */ |
595 | #define DVD_LU_SEND_AGID 0 |
596 | #define DVD_HOST_SEND_CHALLENGE 1 |
597 | #define DVD_LU_SEND_KEY1 2 |
598 | #define DVD_LU_SEND_CHALLENGE 3 |
599 | #define DVD_HOST_SEND_KEY2 4 |
600 | |
601 | /* Termination states */ |
602 | #define DVD_AUTH_ESTABLISHED 5 |
603 | #define DVD_AUTH_FAILURE 6 |
604 | |
605 | /* Other functions */ |
606 | #define DVD_LU_SEND_TITLE_KEY 7 |
607 | #define DVD_LU_SEND_ASF 8 |
608 | #define DVD_INVALIDATE_AGID 9 |
609 | #define DVD_LU_SEND_RPC_STATE 10 |
610 | #define DVD_HOST_SEND_RPC_STATE 11 |
611 | |
612 | /* State data */ |
613 | typedef __u8 dvd_key[5]; /* 40-bit value, MSB is first elem. */ |
614 | typedef __u8 dvd_challenge[10]; /* 80-bit value, MSB is first elem. */ |
615 | |
616 | struct dvd_lu_send_agid { |
617 | __u8 type; |
618 | unsigned agid : 2; |
619 | }; |
620 | |
621 | struct dvd_host_send_challenge { |
622 | __u8 type; |
623 | unsigned agid : 2; |
624 | |
625 | dvd_challenge chal; |
626 | }; |
627 | |
628 | struct dvd_send_key { |
629 | __u8 type; |
630 | unsigned agid : 2; |
631 | |
632 | dvd_key key; |
633 | }; |
634 | |
635 | struct dvd_lu_send_challenge { |
636 | __u8 type; |
637 | unsigned agid : 2; |
638 | |
639 | dvd_challenge chal; |
640 | }; |
641 | |
642 | #define DVD_CPM_NO_COPYRIGHT 0 |
643 | #define DVD_CPM_COPYRIGHTED 1 |
644 | |
645 | #define DVD_CP_SEC_NONE 0 |
646 | #define DVD_CP_SEC_EXIST 1 |
647 | |
648 | #define DVD_CGMS_UNRESTRICTED 0 |
649 | #define DVD_CGMS_SINGLE 2 |
650 | #define DVD_CGMS_RESTRICTED 3 |
651 | |
652 | struct dvd_lu_send_title_key { |
653 | __u8 type; |
654 | unsigned agid : 2; |
655 | |
656 | dvd_key title_key; |
657 | int lba; |
658 | unsigned cpm : 1; |
659 | unsigned cp_sec : 1; |
660 | unsigned cgms : 2; |
661 | }; |
662 | |
663 | struct dvd_lu_send_asf { |
664 | __u8 type; |
665 | unsigned agid : 2; |
666 | |
667 | unsigned asf : 1; |
668 | }; |
669 | |
670 | struct dvd_host_send_rpcstate { |
671 | __u8 type; |
672 | __u8 pdrc; |
673 | }; |
674 | |
675 | struct dvd_lu_send_rpcstate { |
676 | __u8 type : 2; |
677 | __u8 vra : 3; |
678 | __u8 ucca : 3; |
679 | __u8 region_mask; |
680 | __u8 rpc_scheme; |
681 | }; |
682 | |
683 | typedef union { |
684 | __u8 type; |
685 | |
686 | struct dvd_lu_send_agid lsa; |
687 | struct dvd_host_send_challenge hsc; |
688 | struct dvd_send_key lsk; |
689 | struct dvd_lu_send_challenge lsc; |
690 | struct dvd_send_key hsk; |
691 | struct dvd_lu_send_title_key lstk; |
692 | struct dvd_lu_send_asf lsasf; |
693 | struct dvd_host_send_rpcstate hrpcs; |
694 | struct dvd_lu_send_rpcstate lrpcs; |
695 | } dvd_authinfo; |
696 | |
697 | struct request_sense { |
698 | #if defined(__BIG_ENDIAN_BITFIELD) |
699 | __u8 valid : 1; |
700 | __u8 error_code : 7; |
701 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
702 | __u8 error_code : 7; |
703 | __u8 valid : 1; |
704 | #endif |
705 | __u8 segment_number; |
706 | #if defined(__BIG_ENDIAN_BITFIELD) |
707 | __u8 reserved1 : 2; |
708 | __u8 ili : 1; |
709 | __u8 reserved2 : 1; |
710 | __u8 sense_key : 4; |
711 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
712 | __u8 sense_key : 4; |
713 | __u8 reserved2 : 1; |
714 | __u8 ili : 1; |
715 | __u8 reserved1 : 2; |
716 | #endif |
717 | __u8 information[4]; |
718 | __u8 add_sense_len; |
719 | __u8 command_info[4]; |
720 | __u8 asc; |
721 | __u8 ascq; |
722 | __u8 fruc; |
723 | __u8 sks[3]; |
724 | __u8 asb[46]; |
725 | }; |
726 | |
727 | /* |
728 | * feature profile |
729 | */ |
730 | #define CDF_RWRT 0x0020 /* "Random Writable" */ |
731 | #define CDF_HWDM 0x0024 /* "Hardware Defect Management" */ |
732 | #define CDF_MRW 0x0028 |
733 | |
734 | /* |
735 | * media status bits |
736 | */ |
737 | #define CDM_MRW_NOTMRW 0 |
738 | #define CDM_MRW_BGFORMAT_INACTIVE 1 |
739 | #define CDM_MRW_BGFORMAT_ACTIVE 2 |
740 | #define CDM_MRW_BGFORMAT_COMPLETE 3 |
741 | |
742 | /* |
743 | * mrw address spaces |
744 | */ |
745 | #define MRW_LBA_DMA 0 |
746 | #define MRW_LBA_GAA 1 |
747 | |
748 | /* |
749 | * mrw mode pages (first is deprecated) -- probed at init time and |
750 | * cdi->mrw_mode_page is set |
751 | */ |
752 | #define MRW_MODE_PC_PRE1 0x2c |
753 | #define MRW_MODE_PC 0x03 |
754 | |
755 | struct mrw_feature_desc { |
756 | __be16 feature_code; |
757 | #if defined(__BIG_ENDIAN_BITFIELD) |
758 | __u8 reserved1 : 2; |
759 | __u8 feature_version : 4; |
760 | __u8 persistent : 1; |
761 | __u8 curr : 1; |
762 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
763 | __u8 curr : 1; |
764 | __u8 persistent : 1; |
765 | __u8 feature_version : 4; |
766 | __u8 reserved1 : 2; |
767 | #endif |
768 | __u8 add_len; |
769 | #if defined(__BIG_ENDIAN_BITFIELD) |
770 | __u8 reserved2 : 7; |
771 | __u8 write : 1; |
772 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
773 | __u8 write : 1; |
774 | __u8 reserved2 : 7; |
775 | #endif |
776 | __u8 reserved3; |
777 | __u8 reserved4; |
778 | __u8 reserved5; |
779 | }; |
780 | |
781 | /* cf. mmc4r02g.pdf 5.3.10 Random Writable Feature (0020h) pg 197 of 635 */ |
782 | struct rwrt_feature_desc { |
783 | __be16 feature_code; |
784 | #if defined(__BIG_ENDIAN_BITFIELD) |
785 | __u8 reserved1 : 2; |
786 | __u8 feature_version : 4; |
787 | __u8 persistent : 1; |
788 | __u8 curr : 1; |
789 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
790 | __u8 curr : 1; |
791 | __u8 persistent : 1; |
792 | __u8 feature_version : 4; |
793 | __u8 reserved1 : 2; |
794 | #endif |
795 | __u8 add_len; |
796 | __u32 last_lba; |
797 | __u32 block_size; |
798 | __u16 blocking; |
799 | #if defined(__BIG_ENDIAN_BITFIELD) |
800 | __u8 reserved2 : 7; |
801 | __u8 page_present : 1; |
802 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
803 | __u8 page_present : 1; |
804 | __u8 reserved2 : 7; |
805 | #endif |
806 | __u8 reserved3; |
807 | }; |
808 | |
809 | typedef struct { |
810 | __be16 disc_information_length; |
811 | #if defined(__BIG_ENDIAN_BITFIELD) |
812 | __u8 reserved1 : 3; |
813 | __u8 erasable : 1; |
814 | __u8 border_status : 2; |
815 | __u8 disc_status : 2; |
816 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
817 | __u8 disc_status : 2; |
818 | __u8 border_status : 2; |
819 | __u8 erasable : 1; |
820 | __u8 reserved1 : 3; |
821 | #else |
822 | #error "Please fix <asm/byteorder.h>" |
823 | #endif |
824 | __u8 n_first_track; |
825 | __u8 n_sessions_lsb; |
826 | __u8 first_track_lsb; |
827 | __u8 last_track_lsb; |
828 | #if defined(__BIG_ENDIAN_BITFIELD) |
829 | __u8 did_v : 1; |
830 | __u8 dbc_v : 1; |
831 | __u8 uru : 1; |
832 | __u8 reserved2 : 2; |
833 | __u8 dbit : 1; |
834 | __u8 mrw_status : 2; |
835 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
836 | __u8 mrw_status : 2; |
837 | __u8 dbit : 1; |
838 | __u8 reserved2 : 2; |
839 | __u8 uru : 1; |
840 | __u8 dbc_v : 1; |
841 | __u8 did_v : 1; |
842 | #endif |
843 | __u8 disc_type; |
844 | __u8 n_sessions_msb; |
845 | __u8 first_track_msb; |
846 | __u8 last_track_msb; |
847 | __u32 disc_id; |
848 | __u32 lead_in; |
849 | __u32 lead_out; |
850 | __u8 disc_bar_code[8]; |
851 | __u8 reserved3; |
852 | __u8 n_opc; |
853 | } disc_information; |
854 | |
855 | typedef struct { |
856 | __be16 track_information_length; |
857 | __u8 track_lsb; |
858 | __u8 session_lsb; |
859 | __u8 reserved1; |
860 | #if defined(__BIG_ENDIAN_BITFIELD) |
861 | __u8 reserved2 : 2; |
862 | __u8 damage : 1; |
863 | __u8 copy : 1; |
864 | __u8 track_mode : 4; |
865 | __u8 rt : 1; |
866 | __u8 blank : 1; |
867 | __u8 packet : 1; |
868 | __u8 fp : 1; |
869 | __u8 data_mode : 4; |
870 | __u8 reserved3 : 6; |
871 | __u8 lra_v : 1; |
872 | __u8 nwa_v : 1; |
873 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
874 | __u8 track_mode : 4; |
875 | __u8 copy : 1; |
876 | __u8 damage : 1; |
877 | __u8 reserved2 : 2; |
878 | __u8 data_mode : 4; |
879 | __u8 fp : 1; |
880 | __u8 packet : 1; |
881 | __u8 blank : 1; |
882 | __u8 rt : 1; |
883 | __u8 nwa_v : 1; |
884 | __u8 lra_v : 1; |
885 | __u8 reserved3 : 6; |
886 | #endif |
887 | __be32 track_start; |
888 | __be32 next_writable; |
889 | __be32 free_blocks; |
890 | __be32 fixed_packet_size; |
891 | __be32 track_size; |
892 | __be32 last_rec_address; |
893 | } track_information; |
894 | |
895 | struct feature_header { |
896 | __u32 data_len; |
897 | __u8 reserved1; |
898 | __u8 reserved2; |
899 | __u16 curr_profile; |
900 | }; |
901 | |
902 | struct mode_page_header { |
903 | __be16 mode_data_length; |
904 | __u8 medium_type; |
905 | __u8 reserved1; |
906 | __u8 reserved2; |
907 | __u8 reserved3; |
908 | __be16 desc_length; |
909 | }; |
910 | |
911 | #ifdef __KERNEL__ |
912 | #include <linux/fs.h> /* not really needed, later.. */ |
913 | #include <linux/device.h> |
914 | #include <linux/list.h> |
915 | |
916 | struct packet_command |
917 | { |
918 | unsigned char cmd[CDROM_PACKET_SIZE]; |
919 | unsigned char *buffer; |
920 | unsigned int buflen; |
921 | int stat; |
922 | struct request_sense *sense; |
923 | unsigned char data_direction; |
924 | int quiet; |
925 | int timeout; |
926 | void *reserved[1]; |
927 | }; |
928 | |
929 | /* |
930 | * _OLD will use PIO transfer on atapi devices, _BPC_* will use DMA |
931 | */ |
932 | #define CDDA_OLD 0 /* old style */ |
933 | #define CDDA_BPC_SINGLE 1 /* single frame block pc */ |
934 | #define CDDA_BPC_FULL 2 /* multi frame block pc */ |
935 | |
936 | /* Uniform cdrom data structures for cdrom.c */ |
937 | struct cdrom_device_info { |
938 | struct cdrom_device_ops *ops; /* link to device_ops */ |
939 | struct list_head list; /* linked list of all device_info */ |
940 | struct gendisk *disk; /* matching block layer disk */ |
941 | void *handle; /* driver-dependent data */ |
942 | /* specifications */ |
943 | int mask; /* mask of capability: disables them */ |
944 | int speed; /* maximum speed for reading data */ |
945 | int capacity; /* number of discs in jukebox */ |
946 | /* device-related storage */ |
947 | unsigned int options : 30; /* options flags */ |
948 | unsigned mc_flags : 2; /* media change buffer flags */ |
949 | int use_count; /* number of times device opened */ |
950 | char name[20]; /* name of the device type */ |
951 | /* per-device flags */ |
952 | __u8 sanyo_slot : 2; /* Sanyo 3 CD changer support */ |
953 | __u8 reserved : 6; /* not used yet */ |
954 | int cdda_method; /* see flags */ |
955 | __u8 last_sense; |
956 | __u8 media_written; /* dirty flag, DVD+RW bookkeeping */ |
957 | unsigned short mmc3_profile; /* current MMC3 profile */ |
958 | int for_data; |
959 | int (*exit)(struct cdrom_device_info *); |
960 | int mrw_mode_page; |
961 | }; |
962 | |
963 | struct cdrom_device_ops { |
964 | /* routines */ |
965 | int (*open) (struct cdrom_device_info *, int); |
966 | void (*release) (struct cdrom_device_info *); |
967 | int (*drive_status) (struct cdrom_device_info *, int); |
968 | int (*media_changed) (struct cdrom_device_info *, int); |
969 | int (*tray_move) (struct cdrom_device_info *, int); |
970 | int (*lock_door) (struct cdrom_device_info *, int); |
971 | int (*select_speed) (struct cdrom_device_info *, int); |
972 | int (*select_disc) (struct cdrom_device_info *, int); |
973 | int (*get_last_session) (struct cdrom_device_info *, |
974 | struct cdrom_multisession *); |
975 | int (*get_mcn) (struct cdrom_device_info *, |
976 | struct cdrom_mcn *); |
977 | /* hard reset device */ |
978 | int (*reset) (struct cdrom_device_info *); |
979 | /* play stuff */ |
980 | int (*audio_ioctl) (struct cdrom_device_info *,unsigned int, void *); |
981 | |
982 | /* driver specifications */ |
983 | const int capability; /* capability flags */ |
984 | int n_minors; /* number of active minor devices */ |
985 | /* handle uniform packets for scsi type devices (scsi,atapi) */ |
986 | int (*generic_packet) (struct cdrom_device_info *, |
987 | struct packet_command *); |
988 | }; |
989 | |
990 | /* the general block_device operations structure: */ |
991 | extern int cdrom_open(struct cdrom_device_info *cdi, struct block_device *bdev, |
992 | fmode_t mode); |
993 | extern void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode); |
994 | extern int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev, |
995 | fmode_t mode, unsigned int cmd, unsigned long arg); |
996 | extern int cdrom_media_changed(struct cdrom_device_info *); |
997 | |
998 | extern int register_cdrom(struct cdrom_device_info *cdi); |
999 | extern void unregister_cdrom(struct cdrom_device_info *cdi); |
1000 | |
1001 | typedef struct { |
1002 | int data; |
1003 | int audio; |
1004 | int cdi; |
1005 | int xa; |
1006 | long error; |
1007 | } tracktype; |
1008 | |
1009 | extern int cdrom_get_last_written(struct cdrom_device_info *cdi, long *last_written); |
1010 | extern int cdrom_number_of_slots(struct cdrom_device_info *cdi); |
1011 | extern int cdrom_mode_select(struct cdrom_device_info *cdi, |
1012 | struct packet_command *cgc); |
1013 | extern int cdrom_mode_sense(struct cdrom_device_info *cdi, |
1014 | struct packet_command *cgc, |
1015 | int page_code, int page_control); |
1016 | extern void init_cdrom_command(struct packet_command *cgc, |
1017 | void *buffer, int len, int type); |
1018 | |
1019 | /* The SCSI spec says there could be 256 slots. */ |
1020 | #define CDROM_MAX_SLOTS 256 |
1021 | |
1022 | struct cdrom_mechstat_header { |
1023 | #if defined(__BIG_ENDIAN_BITFIELD) |
1024 | __u8 fault : 1; |
1025 | __u8 changer_state : 2; |
1026 | __u8 curslot : 5; |
1027 | __u8 mech_state : 3; |
1028 | __u8 door_open : 1; |
1029 | __u8 reserved1 : 4; |
1030 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
1031 | __u8 curslot : 5; |
1032 | __u8 changer_state : 2; |
1033 | __u8 fault : 1; |
1034 | __u8 reserved1 : 4; |
1035 | __u8 door_open : 1; |
1036 | __u8 mech_state : 3; |
1037 | #endif |
1038 | __u8 curlba[3]; |
1039 | __u8 nslots; |
1040 | __u16 slot_tablelen; |
1041 | }; |
1042 | |
1043 | struct cdrom_slot { |
1044 | #if defined(__BIG_ENDIAN_BITFIELD) |
1045 | __u8 disc_present : 1; |
1046 | __u8 reserved1 : 6; |
1047 | __u8 change : 1; |
1048 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
1049 | __u8 change : 1; |
1050 | __u8 reserved1 : 6; |
1051 | __u8 disc_present : 1; |
1052 | #endif |
1053 | __u8 reserved2[3]; |
1054 | }; |
1055 | |
1056 | struct cdrom_changer_info { |
1057 | struct cdrom_mechstat_header hdr; |
1058 | struct cdrom_slot slots[CDROM_MAX_SLOTS]; |
1059 | }; |
1060 | |
1061 | typedef enum { |
1062 | mechtype_caddy = 0, |
1063 | mechtype_tray = 1, |
1064 | mechtype_popup = 2, |
1065 | mechtype_individual_changer = 4, |
1066 | mechtype_cartridge_changer = 5 |
1067 | } mechtype_t; |
1068 | |
1069 | typedef struct { |
1070 | #if defined(__BIG_ENDIAN_BITFIELD) |
1071 | __u8 ps : 1; |
1072 | __u8 reserved1 : 1; |
1073 | __u8 page_code : 6; |
1074 | __u8 page_length; |
1075 | __u8 reserved2 : 1; |
1076 | __u8 bufe : 1; |
1077 | __u8 ls_v : 1; |
1078 | __u8 test_write : 1; |
1079 | __u8 write_type : 4; |
1080 | __u8 multi_session : 2; /* or border, DVD */ |
1081 | __u8 fp : 1; |
1082 | __u8 copy : 1; |
1083 | __u8 track_mode : 4; |
1084 | __u8 reserved3 : 4; |
1085 | __u8 data_block_type : 4; |
1086 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
1087 | __u8 page_code : 6; |
1088 | __u8 reserved1 : 1; |
1089 | __u8 ps : 1; |
1090 | __u8 page_length; |
1091 | __u8 write_type : 4; |
1092 | __u8 test_write : 1; |
1093 | __u8 ls_v : 1; |
1094 | __u8 bufe : 1; |
1095 | __u8 reserved2 : 1; |
1096 | __u8 track_mode : 4; |
1097 | __u8 copy : 1; |
1098 | __u8 fp : 1; |
1099 | __u8 multi_session : 2; /* or border, DVD */ |
1100 | __u8 data_block_type : 4; |
1101 | __u8 reserved3 : 4; |
1102 | #endif |
1103 | __u8 link_size; |
1104 | __u8 reserved4; |
1105 | #if defined(__BIG_ENDIAN_BITFIELD) |
1106 | __u8 reserved5 : 2; |
1107 | __u8 app_code : 6; |
1108 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
1109 | __u8 app_code : 6; |
1110 | __u8 reserved5 : 2; |
1111 | #endif |
1112 | __u8 session_format; |
1113 | __u8 reserved6; |
1114 | __be32 packet_size; |
1115 | __u16 audio_pause; |
1116 | __u8 mcn[16]; |
1117 | __u8 isrc[16]; |
1118 | __u8 subhdr0; |
1119 | __u8 subhdr1; |
1120 | __u8 subhdr2; |
1121 | __u8 subhdr3; |
1122 | } __attribute__((packed)) write_param_page; |
1123 | |
1124 | struct modesel_head |
1125 | { |
1126 | __u8 reserved1; |
1127 | __u8 medium; |
1128 | __u8 reserved2; |
1129 | __u8 block_desc_length; |
1130 | __u8 density; |
1131 | __u8 number_of_blocks_hi; |
1132 | __u8 number_of_blocks_med; |
1133 | __u8 number_of_blocks_lo; |
1134 | __u8 reserved3; |
1135 | __u8 block_length_hi; |
1136 | __u8 block_length_med; |
1137 | __u8 block_length_lo; |
1138 | }; |
1139 | |
1140 | typedef struct { |
1141 | __u16 report_key_length; |
1142 | __u8 reserved1; |
1143 | __u8 reserved2; |
1144 | #if defined(__BIG_ENDIAN_BITFIELD) |
1145 | __u8 type_code : 2; |
1146 | __u8 vra : 3; |
1147 | __u8 ucca : 3; |
1148 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
1149 | __u8 ucca : 3; |
1150 | __u8 vra : 3; |
1151 | __u8 type_code : 2; |
1152 | #endif |
1153 | __u8 region_mask; |
1154 | __u8 rpc_scheme; |
1155 | __u8 reserved3; |
1156 | } rpc_state_t; |
1157 | |
1158 | struct event_header { |
1159 | __be16 data_len; |
1160 | #if defined(__BIG_ENDIAN_BITFIELD) |
1161 | __u8 nea : 1; |
1162 | __u8 reserved1 : 4; |
1163 | __u8 notification_class : 3; |
1164 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
1165 | __u8 notification_class : 3; |
1166 | __u8 reserved1 : 4; |
1167 | __u8 nea : 1; |
1168 | #endif |
1169 | __u8 supp_event_class; |
1170 | }; |
1171 | |
1172 | struct media_event_desc { |
1173 | #if defined(__BIG_ENDIAN_BITFIELD) |
1174 | __u8 reserved1 : 4; |
1175 | __u8 media_event_code : 4; |
1176 | __u8 reserved2 : 6; |
1177 | __u8 media_present : 1; |
1178 | __u8 door_open : 1; |
1179 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
1180 | __u8 media_event_code : 4; |
1181 | __u8 reserved1 : 4; |
1182 | __u8 door_open : 1; |
1183 | __u8 media_present : 1; |
1184 | __u8 reserved2 : 6; |
1185 | #endif |
1186 | __u8 start_slot; |
1187 | __u8 end_slot; |
1188 | }; |
1189 | |
1190 | extern int cdrom_get_media_event(struct cdrom_device_info *cdi, struct media_event_desc *med); |
1191 | |
1192 | static inline void lba_to_msf(int lba, u8 *m, u8 *s, u8 *f) |
1193 | { |
1194 | lba += CD_MSF_OFFSET; |
1195 | lba &= 0xffffff; /* negative lbas use only 24 bits */ |
1196 | *m = lba / (CD_SECS * CD_FRAMES); |
1197 | lba %= (CD_SECS * CD_FRAMES); |
1198 | *s = lba / CD_FRAMES; |
1199 | *f = lba % CD_FRAMES; |
1200 | } |
1201 | |
1202 | static inline int msf_to_lba(u8 m, u8 s, u8 f) |
1203 | { |
1204 | return (((m * CD_SECS) + s) * CD_FRAMES + f) - CD_MSF_OFFSET; |
1205 | } |
1206 | #endif /* End of kernel only stuff */ |
1207 | |
1208 | #endif /* _LINUX_CDROM_H */ |
1209 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9