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staging: Pushdown bkl to easycap ioctl handlers
[deliverable/linux.git] / drivers / staging / easycap / easycap_ioctl.c
1 /******************************************************************************
2 * *
3 * easycap_ioctl.c *
4 * *
5 ******************************************************************************/
6 /*
7 *
8 * Copyright (C) 2010 R.M. Thomas <rmthomas@sciolus.org>
9 *
10 *
11 * This is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * The software is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this software; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 *
25 */
26 /*****************************************************************************/
27
28 #include <linux/smp_lock.h>
29 #include "easycap.h"
30 #include "easycap_debug.h"
31 #include "easycap_standard.h"
32 #include "easycap_ioctl.h"
33
34 /*--------------------------------------------------------------------------*/
35 /*
36 * UNLESS THERE IS A PREMATURE ERROR RETURN THIS ROUTINE UPDATES THE
37 * FOLLOWING:
38 * peasycap->standard_offset
39 * peasycap->fps
40 * peasycap->usec
41 * peasycap->tolerate
42 */
43 /*---------------------------------------------------------------------------*/
44 int adjust_standard(struct easycap *peasycap, v4l2_std_id std_id)
45 {
46 struct easycap_standard const *peasycap_standard;
47 __u16 reg, set;
48 int ir, rc, need;
49 unsigned int itwas, isnow;
50
51 if ((struct usb_device *)NULL == peasycap->pusb_device) {
52 SAY("ERROR: peasycap->pusb_device is NULL\n");
53 return -EFAULT;
54 }
55 peasycap_standard = &easycap_standard[0];
56 while (0xFFFF != peasycap_standard->mask) {
57 if (std_id & peasycap_standard->v4l2_standard.id)
58 break;
59 peasycap_standard++;
60 }
61 if (0xFFFF == peasycap_standard->mask) {
62 SAY("ERROR: 0x%08X=std_id: standard not found\n", \
63 (unsigned int)std_id);
64 return -EINVAL;
65 }
66 SAY("user requests standard: %s\n", \
67 &(peasycap_standard->v4l2_standard.name[0]));
68 if (peasycap->standard_offset == \
69 (int)(peasycap_standard - &easycap_standard[0])) {
70 SAY("requested standard already in effect\n");
71 return 0;
72 }
73 peasycap->standard_offset = (int)(peasycap_standard - &easycap_standard[0]);
74 peasycap->fps = peasycap_standard->v4l2_standard.frameperiod.denominator / \
75 peasycap_standard->v4l2_standard.frameperiod.numerator;
76 if (!peasycap->fps) {
77 SAY("MISTAKE: frames-per-second is zero\n");
78 return -EFAULT;
79 }
80 JOT(8, "%i frames-per-second\n", peasycap->fps);
81 peasycap->usec = 1000000 / (2 * peasycap->fps);
82 peasycap->tolerate = 1000 * (25 / peasycap->fps);
83
84 kill_video_urbs(peasycap);
85
86 /*--------------------------------------------------------------------------*/
87 /*
88 * SAA7113H DATASHEET PAGE 44, TABLE 42
89 */
90 /*--------------------------------------------------------------------------*/
91 need = 0; itwas = 0; reg = 0x00; set = 0x00;
92 switch (peasycap_standard->mask & 0x000F) {
93 case NTSC_M_JP: {
94 reg = 0x0A; set = 0x95;
95 ir = read_saa(peasycap->pusb_device, reg);
96 if (0 > ir)
97 SAY("ERROR: cannot read SAA register 0x%02X\n", reg);
98 else
99 itwas = (unsigned int)ir;
100
101
102 set2to78(peasycap->pusb_device);
103
104
105 rc = write_saa(peasycap->pusb_device, reg, set);
106 if (0 != rc)
107 SAY("ERROR: failed to set SAA register " \
108 "0x%02X to 0x%02X for JP standard\n", reg, set);
109 else {
110 isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
111 if (0 > ir)
112 JOT(8, "SAA register 0x%02X changed " \
113 "to 0x%02X\n", reg, isnow);
114 else
115 JOT(8, "SAA register 0x%02X changed " \
116 "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
117
118 set2to78(peasycap->pusb_device);
119
120 }
121
122 reg = 0x0B; set = 0x48;
123 ir = read_saa(peasycap->pusb_device, reg);
124 if (0 > ir)
125 SAY("ERROR: cannot read SAA register 0x%02X\n", reg);
126 else
127 itwas = (unsigned int)ir;
128
129 set2to78(peasycap->pusb_device);
130
131 rc = write_saa(peasycap->pusb_device, reg, set);
132 if (0 != rc)
133 SAY("ERROR: failed to set SAA register 0x%02X to 0x%02X " \
134 "for JP standard\n", reg, set);
135 else {
136 isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
137 if (0 > ir)
138 JOT(8, "SAA register 0x%02X changed " \
139 "to 0x%02X\n", reg, isnow);
140 else
141 JOT(8, "SAA register 0x%02X changed " \
142 "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
143
144 set2to78(peasycap->pusb_device);
145
146 }
147 /*--------------------------------------------------------------------------*/
148 /*
149 * NOTE: NO break HERE: RUN ON TO NEXT CASE
150 */
151 /*--------------------------------------------------------------------------*/
152 }
153 case NTSC_M:
154 case PAL_BGHIN: {
155 reg = 0x0E; set = 0x01; need = 1; break;
156 }
157 case NTSC_N_443:
158 case PAL_60: {
159 reg = 0x0E; set = 0x11; need = 1; break;
160 }
161 case NTSC_443:
162 case PAL_Nc: {
163 reg = 0x0E; set = 0x21; need = 1; break;
164 }
165 case NTSC_N:
166 case PAL_M: {
167 reg = 0x0E; set = 0x31; need = 1; break;
168 }
169 case SECAM: {
170 reg = 0x0E; set = 0x51; need = 1; break;
171 }
172 default:
173 break;
174 }
175 /*--------------------------------------------------------------------------*/
176 if (need) {
177 ir = read_saa(peasycap->pusb_device, reg);
178 if (0 > ir)
179 SAY("ERROR: failed to read SAA register 0x%02X\n", reg);
180 else
181 itwas = (unsigned int)ir;
182
183 set2to78(peasycap->pusb_device);
184
185 rc = write_saa(peasycap->pusb_device, reg, set);
186 if (0 != write_saa(peasycap->pusb_device, reg, set)) {
187 SAY("ERROR: failed to set SAA register " \
188 "0x%02X to 0x%02X for table 42\n", reg, set);
189 } else {
190 isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
191 if (0 > ir)
192 JOT(8, "SAA register 0x%02X changed " \
193 "to 0x%02X\n", reg, isnow);
194 else
195 JOT(8, "SAA register 0x%02X changed " \
196 "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
197 }
198 }
199 /*--------------------------------------------------------------------------*/
200 /*
201 * SAA7113H DATASHEET PAGE 41
202 */
203 /*--------------------------------------------------------------------------*/
204 reg = 0x08;
205 ir = read_saa(peasycap->pusb_device, reg);
206 if (0 > ir)
207 SAY("ERROR: failed to read SAA register 0x%02X " \
208 "so cannot reset\n", reg);
209 else {
210 itwas = (unsigned int)ir;
211 if (peasycap_standard->mask & 0x0001)
212 set = itwas | 0x40 ;
213 else
214 set = itwas & ~0x40 ;
215
216 set2to78(peasycap->pusb_device);
217
218 rc = write_saa(peasycap->pusb_device, reg, set);
219 if (0 != rc)
220 SAY("ERROR: failed to set SAA register 0x%02X to 0x%02X\n", reg, set);
221 else {
222 isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
223 if (0 > ir)
224 JOT(8, "SAA register 0x%02X changed to 0x%02X\n", reg, isnow);
225 else
226 JOT(8, "SAA register 0x%02X changed " \
227 "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
228 }
229 }
230 /*--------------------------------------------------------------------------*/
231 /*
232 * SAA7113H DATASHEET PAGE 51, TABLE 57
233 */
234 /*---------------------------------------------------------------------------*/
235 reg = 0x40;
236 ir = read_saa(peasycap->pusb_device, reg);
237 if (0 > ir)
238 SAY("ERROR: failed to read SAA register 0x%02X " \
239 "so cannot reset\n", reg);
240 else {
241 itwas = (unsigned int)ir;
242 if (peasycap_standard->mask & 0x0001)
243 set = itwas | 0x80 ;
244 else
245 set = itwas & ~0x80 ;
246
247 set2to78(peasycap->pusb_device);
248
249 rc = write_saa(peasycap->pusb_device, reg, set);
250 if (0 != rc)
251 SAY("ERROR: failed to set SAA register 0x%02X to 0x%02X\n", reg, set);
252 else {
253 isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
254 if (0 > ir)
255 JOT(8, "SAA register 0x%02X changed to 0x%02X\n", reg, isnow);
256 else
257 JOT(8, "SAA register 0x%02X changed " \
258 "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
259 }
260 }
261 /*--------------------------------------------------------------------------*/
262 /*
263 * SAA7113H DATASHEET PAGE 53, TABLE 66
264 */
265 /*--------------------------------------------------------------------------*/
266 reg = 0x5A;
267 ir = read_saa(peasycap->pusb_device, reg);
268 if (0 > ir)
269 SAY("ERROR: failed to read SAA register 0x%02X but continuing\n", reg);
270 itwas = (unsigned int)ir;
271 if (peasycap_standard->mask & 0x0001)
272 set = 0x0A ;
273 else
274 set = 0x07 ;
275
276 set2to78(peasycap->pusb_device);
277
278 if (0 != write_saa(peasycap->pusb_device, reg, set))
279 SAY("ERROR: failed to set SAA register 0x%02X to 0x%02X\n", \
280 reg, set);
281 else {
282 isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
283 if (0 > ir)
284 JOT(8, "SAA register 0x%02X changed "
285 "to 0x%02X\n", reg, isnow);
286 else
287 JOT(8, "SAA register 0x%02X changed "
288 "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
289 }
290 if (0 != check_saa(peasycap->pusb_device))
291 SAY("ERROR: check_saa() failed\n");
292 return 0;
293 }
294 /*****************************************************************************/
295 /*--------------------------------------------------------------------------*/
296 /*
297 * THE ALGORITHM FOR RESPONDING TO THE VIDIO_S_FMT IOCTL DEPENDS ON THE
298 * CURRENT VALUE OF peasycap->standard_offset.
299 * PROVIDED THE ARGUMENT try IS false AND THERE IS NO PREMATURE ERROR RETURN
300 * THIS ROUTINE UPDATES THE FOLLOWING:
301 * peasycap->format_offset
302 * peasycap->pixelformat
303 * peasycap->field
304 * peasycap->height
305 * peasycap->width
306 * peasycap->bytesperpixel
307 * peasycap->byteswaporder
308 * peasycap->decimatepixel
309 * peasycap->frame_buffer_used
310 * peasycap->videofieldamount
311 * peasycap->offerfields
312 *
313 * IF SUCCESSFUL THE FUNCTION RETURNS THE OFFSET IN easycap_format[]
314 * IDENTIFYING THE FORMAT WHICH IS TO RETURNED TO THE USER.
315 * ERRORS RETURN A NEGATIVE NUMBER.
316 */
317 /*--------------------------------------------------------------------------*/
318 int adjust_format(struct easycap *peasycap, \
319 __u32 width, __u32 height, __u32 pixelformat, int field, bool try)
320 {
321 struct easycap_format *peasycap_format, *peasycap_best_format;
322 __u16 mask;
323 struct usb_device *p;
324 int miss, multiplier, best;
325 char bf[5], *pc;
326 __u32 uc;
327
328 if ((struct easycap *)NULL == peasycap) {
329 SAY("ERROR: peasycap is NULL\n");
330 return -EFAULT;
331 }
332 p = peasycap->pusb_device;
333 if ((struct usb_device *)NULL == p) {
334 SAY("ERROR: peaycap->pusb_device is NULL\n");
335 return -EFAULT;
336 }
337 pc = &bf[0];
338 uc = pixelformat; memcpy((void *)pc, (void *)(&uc), 4); bf[4] = 0;
339 mask = easycap_standard[peasycap->standard_offset].mask;
340 SAY("sought: %ix%i,%s(0x%08X),%i=field,0x%02X=std mask\n", \
341 width, height, pc, pixelformat, field, mask);
342 if (V4L2_FIELD_ANY == field) {
343 field = V4L2_FIELD_INTERLACED;
344 SAY("prefer: V4L2_FIELD_INTERLACED=field, was V4L2_FIELD_ANY\n");
345 }
346 peasycap_best_format = (struct easycap_format *)NULL;
347 peasycap_format = &easycap_format[0];
348 while (0 != peasycap_format->v4l2_format.fmt.pix.width) {
349 JOT(16, ".> %i %i 0x%08X %ix%i\n", \
350 peasycap_format->mask & 0x01,
351 peasycap_format->v4l2_format.fmt.pix.field,
352 peasycap_format->v4l2_format.fmt.pix.pixelformat,
353 peasycap_format->v4l2_format.fmt.pix.width,
354 peasycap_format->v4l2_format.fmt.pix.height);
355
356 if (((peasycap_format->mask & 0x0F) == (mask & 0x0F)) && \
357 (peasycap_format->v4l2_format.fmt.pix.field == field) && \
358 (peasycap_format->v4l2_format.fmt.pix.pixelformat == \
359 pixelformat) && \
360 (peasycap_format->v4l2_format.fmt.pix.width == width) && \
361 (peasycap_format->v4l2_format.fmt.pix.height == height)) {
362 peasycap_best_format = peasycap_format;
363 break;
364 }
365 peasycap_format++;
366 }
367 if (0 == peasycap_format->v4l2_format.fmt.pix.width) {
368 SAY("cannot do: %ix%i with standard mask 0x%02X\n", \
369 width, height, mask);
370 peasycap_format = &easycap_format[0]; best = -1;
371 while (0 != peasycap_format->v4l2_format.fmt.pix.width) {
372 if (((peasycap_format->mask & 0x0F) == (mask & 0x0F)) && \
373 (peasycap_format->v4l2_format.fmt.pix\
374 .field == field) && \
375 (peasycap_format->v4l2_format.fmt.pix\
376 .pixelformat == pixelformat)) {
377 miss = abs(peasycap_format->\
378 v4l2_format.fmt.pix.width - width);
379 if ((best > miss) || (best < 0)) {
380 best = miss;
381 peasycap_best_format = peasycap_format;
382 if (!miss)
383 break;
384 }
385 }
386 peasycap_format++;
387 }
388 if (-1 == best) {
389 SAY("cannot do %ix... with standard mask 0x%02X\n", \
390 width, mask);
391 SAY("cannot do ...x%i with standard mask 0x%02X\n", \
392 height, mask);
393 SAY(" %ix%i unmatched\n", width, height);
394 return peasycap->format_offset;
395 }
396 }
397 if ((struct easycap_format *)NULL == peasycap_best_format) {
398 SAY("MISTAKE: peasycap_best_format is NULL");
399 return -EINVAL;
400 }
401 peasycap_format = peasycap_best_format;
402
403 /*...........................................................................*/
404 if (true == try)
405 return (int)(peasycap_best_format - &easycap_format[0]);
406 /*...........................................................................*/
407
408 if (false != try) {
409 SAY("MISTAKE: true==try where is should be false\n");
410 return -EINVAL;
411 }
412 SAY("actioning: %ix%i %s\n", \
413 peasycap_format->v4l2_format.fmt.pix.width, \
414 peasycap_format->v4l2_format.fmt.pix.height,
415 &peasycap_format->name[0]);
416 peasycap->height = peasycap_format->v4l2_format.fmt.pix.height;
417 peasycap->width = peasycap_format->v4l2_format.fmt.pix.width;
418 peasycap->pixelformat = peasycap_format->v4l2_format.fmt.pix.pixelformat;
419 peasycap->field = peasycap_format->v4l2_format.fmt.pix.field;
420 peasycap->format_offset = (int)(peasycap_format - &easycap_format[0]);
421 peasycap->bytesperpixel = (0x00F0 & peasycap_format->mask) >> 4 ;
422 if (0x0100 & peasycap_format->mask)
423 peasycap->byteswaporder = true;
424 else
425 peasycap->byteswaporder = false;
426 if (0x0800 & peasycap_format->mask)
427 peasycap->decimatepixel = true;
428 else
429 peasycap->decimatepixel = false;
430 if (0x1000 & peasycap_format->mask)
431 peasycap->offerfields = true;
432 else
433 peasycap->offerfields = false;
434 if (true == peasycap->decimatepixel)
435 multiplier = 2;
436 else
437 multiplier = 1;
438 peasycap->videofieldamount = multiplier * peasycap->width * \
439 multiplier * peasycap->height;
440 peasycap->frame_buffer_used = peasycap->bytesperpixel * \
441 peasycap->width * peasycap->height;
442
443 if (true == peasycap->offerfields) {
444 SAY("WARNING: %i=peasycap->field is untested: " \
445 "please report problems\n", peasycap->field);
446
447
448 /*
449 * FIXME ---- THIS IS UNTESTED, MAY BE (AND PROBABLY IS) INCORRECT:
450 *
451 * peasycap->frame_buffer_used = peasycap->frame_buffer_used / 2;
452 *
453 * SO DO NOT RISK IT YET.
454 *
455 */
456
457
458
459 }
460
461 kill_video_urbs(peasycap);
462
463 /*---------------------------------------------------------------------------*/
464 /*
465 * PAL
466 */
467 /*---------------------------------------------------------------------------*/
468 if (0 == (0x01 & peasycap_format->mask)) {
469 if (((720 == peasycap_format->v4l2_format.fmt.pix.width) && \
470 (576 == \
471 peasycap_format->v4l2_format.fmt.pix.height)) || \
472 ((360 == \
473 peasycap_format->v4l2_format.fmt.pix.width) && \
474 (288 == \
475 peasycap_format->v4l2_format.fmt.pix.height))) {
476 if (0 != set_resolution(p, 0x0000, 0x0001, 0x05A0, 0x0121)) {
477 SAY("ERROR: set_resolution() failed\n");
478 return -EINVAL;
479 }
480 } else if ((704 == peasycap_format->v4l2_format.fmt.pix.width) && \
481 (576 == peasycap_format->v4l2_format.fmt.pix.height)) {
482 if (0 != set_resolution(p, 0x0004, 0x0001, 0x0584, 0x0121)) {
483 SAY("ERROR: set_resolution() failed\n");
484 return -EINVAL;
485 }
486 } else if (((640 == peasycap_format->v4l2_format.fmt.pix.width) && \
487 (480 == \
488 peasycap_format->v4l2_format.fmt.pix.height)) || \
489 ((320 == \
490 peasycap_format->v4l2_format.fmt.pix.width) && \
491 (240 == \
492 peasycap_format->v4l2_format.fmt.pix.height))) {
493 if (0 != set_resolution(p, 0x0014, 0x0020, 0x0514, 0x0110)) {
494 SAY("ERROR: set_resolution() failed\n");
495 return -EINVAL;
496 }
497 } else {
498 SAY("MISTAKE: bad format, cannot set resolution\n");
499 return -EINVAL;
500 }
501 /*---------------------------------------------------------------------------*/
502 /*
503 * NTSC
504 */
505 /*---------------------------------------------------------------------------*/
506 } else {
507 if (((720 == peasycap_format->v4l2_format.fmt.pix.width) && \
508 (480 == \
509 peasycap_format->v4l2_format.fmt.pix.height)) || \
510 ((360 == \
511 peasycap_format->v4l2_format.fmt.pix.width) && \
512 (240 == \
513 peasycap_format->v4l2_format.fmt.pix.height))) {
514 if (0 != set_resolution(p, 0x0000, 0x0003, 0x05A0, 0x00F3)) {
515 SAY("ERROR: set_resolution() failed\n");
516 return -EINVAL;
517 }
518 } else if (((640 == peasycap_format->v4l2_format.fmt.pix.width) && \
519 (480 == \
520 peasycap_format->v4l2_format.fmt.pix.height)) || \
521 ((320 == \
522 peasycap_format->v4l2_format.fmt.pix.width) && \
523 (240 == \
524 peasycap_format->v4l2_format.fmt.pix.height))) {
525 if (0 != set_resolution(p, 0x0014, 0x0003, 0x0514, 0x00F3)) {
526 SAY("ERROR: set_resolution() failed\n");
527 return -EINVAL;
528 }
529 } else {
530 SAY("MISTAKE: bad format, cannot set resolution\n");
531 return -EINVAL;
532 }
533 }
534 /*---------------------------------------------------------------------------*/
535
536 check_stk(peasycap->pusb_device);
537
538 return (int)(peasycap_best_format - &easycap_format[0]);
539 }
540 /*****************************************************************************/
541 int adjust_brightness(struct easycap *peasycap, int value)
542 {
543 unsigned int mood;
544 int i1;
545
546 if ((struct usb_device *)NULL == peasycap->pusb_device) {
547 SAY("ERROR: peasycap->pusb_device is NULL\n");
548 return -EFAULT;
549 }
550 i1 = 0;
551 while (0xFFFFFFFF != easycap_control[i1].id) {
552 if (V4L2_CID_BRIGHTNESS == easycap_control[i1].id) {
553 if ((easycap_control[i1].minimum > value) || \
554 (easycap_control[i1].maximum < value))
555 value = easycap_control[i1].default_value;
556 peasycap->brightness = value;
557 mood = 0x00FF & (unsigned int)peasycap->brightness;
558
559 set2to78(peasycap->pusb_device);
560
561 if (!write_saa(peasycap->pusb_device, 0x0A, mood)) {
562 SAY("adjusting brightness to 0x%02X\n", mood);
563 return 0;
564 } else {
565 SAY("WARNING: failed to adjust brightness " \
566 "to 0x%02X\n", mood);
567 return -ENOENT;
568 }
569
570 set2to78(peasycap->pusb_device);
571
572 break;
573 }
574 i1++;
575 }
576 SAY("WARNING: failed to adjust brightness: control not found\n");
577 return -ENOENT;
578 }
579 /*****************************************************************************/
580 int adjust_contrast(struct easycap *peasycap, int value)
581 {
582 unsigned int mood;
583 int i1;
584
585 if ((struct usb_device *)NULL == peasycap->pusb_device) {
586 SAY("ERROR: peasycap->pusb_device is NULL\n");
587 return -EFAULT;
588 }
589 i1 = 0;
590 while (0xFFFFFFFF != easycap_control[i1].id) {
591 if (V4L2_CID_CONTRAST == easycap_control[i1].id) {
592 if ((easycap_control[i1].minimum > value) || \
593 (easycap_control[i1].maximum < value))
594 value = easycap_control[i1].default_value;
595 peasycap->contrast = value;
596 mood = 0x00FF & (unsigned int) (peasycap->contrast - 128);
597
598 set2to78(peasycap->pusb_device);
599
600 if (!write_saa(peasycap->pusb_device, 0x0B, mood)) {
601 SAY("adjusting contrast to 0x%02X\n", mood);
602 return 0;
603 } else {
604 SAY("WARNING: failed to adjust contrast to " \
605 "0x%02X\n", mood);
606 return -ENOENT;
607 }
608
609 set2to78(peasycap->pusb_device);
610
611 break;
612 }
613 i1++;
614 }
615 SAY("WARNING: failed to adjust contrast: control not found\n");
616 return -ENOENT;
617 }
618 /*****************************************************************************/
619 int adjust_saturation(struct easycap *peasycap, int value)
620 {
621 unsigned int mood;
622 int i1;
623
624 if ((struct usb_device *)NULL == peasycap->pusb_device) {
625 SAY("ERROR: peasycap->pusb_device is NULL\n");
626 return -EFAULT;
627 }
628 i1 = 0;
629 while (0xFFFFFFFF != easycap_control[i1].id) {
630 if (V4L2_CID_SATURATION == easycap_control[i1].id) {
631 if ((easycap_control[i1].minimum > value) || \
632 (easycap_control[i1].maximum < value))
633 value = easycap_control[i1].default_value;
634 peasycap->saturation = value;
635 mood = 0x00FF & (unsigned int) (peasycap->saturation - 128);
636
637 set2to78(peasycap->pusb_device);
638
639 if (!write_saa(peasycap->pusb_device, 0x0C, mood)) {
640 SAY("adjusting saturation to 0x%02X\n", mood);
641 return 0;
642 } else {
643 SAY("WARNING: failed to adjust saturation to " \
644 "0x%02X\n", mood);
645 return -ENOENT;
646 }
647 break;
648
649 set2to78(peasycap->pusb_device);
650
651 }
652 i1++;
653 }
654 SAY("WARNING: failed to adjust saturation: control not found\n");
655 return -ENOENT;
656 }
657 /*****************************************************************************/
658 int adjust_hue(struct easycap *peasycap, int value)
659 {
660 unsigned int mood;
661 int i1, i2;
662
663 if ((struct usb_device *)NULL == peasycap->pusb_device) {
664 SAY("ERROR: peasycap->pusb_device is NULL\n");
665 return -EFAULT;
666 }
667 i1 = 0;
668 while (0xFFFFFFFF != easycap_control[i1].id) {
669 if (V4L2_CID_HUE == easycap_control[i1].id) {
670 if ((easycap_control[i1].minimum > value) || \
671 (easycap_control[i1].maximum < value))
672 value = easycap_control[i1].default_value;
673 peasycap->hue = value;
674 i2 = peasycap->hue - 128;
675 mood = 0x00FF & ((int) i2);
676
677 set2to78(peasycap->pusb_device);
678
679 if (!write_saa(peasycap->pusb_device, 0x0D, mood)) {
680 SAY("adjusting hue to 0x%02X\n", mood);
681 return 0;
682 } else {
683 SAY("WARNING: failed to adjust hue to 0x%02X\n", mood);
684 return -ENOENT;
685 }
686
687 set2to78(peasycap->pusb_device);
688
689 break;
690 }
691 i1++;
692 }
693 SAY("WARNING: failed to adjust hue: control not found\n");
694 return -ENOENT;
695 }
696 /*****************************************************************************/
697 int adjust_volume(struct easycap *peasycap, int value)
698 {
699 __s8 mood;
700 int i1;
701
702 if ((struct usb_device *)NULL == peasycap->pusb_device) {
703 SAY("ERROR: peasycap->pusb_device is NULL\n");
704 return -EFAULT;
705 }
706 i1 = 0;
707 while (0xFFFFFFFF != easycap_control[i1].id) {
708 if (V4L2_CID_AUDIO_VOLUME == easycap_control[i1].id) {
709 if ((easycap_control[i1].minimum > value) || \
710 (easycap_control[i1].maximum < value))
711 value = easycap_control[i1].default_value;
712 peasycap->volume = value;
713 mood = (16 > peasycap->volume) ? 16 : \
714 ((31 < peasycap->volume) ? 31 : \
715 (__s8) peasycap->volume);
716 if (!audio_gainset(peasycap->pusb_device, mood)) {
717 SAY("adjusting volume to 0x%01X\n", mood);
718 return 0;
719 } else {
720 SAY("WARNING: failed to adjust volume to " \
721 "0x%1X\n", mood);
722 return -ENOENT;
723 }
724 break;
725 }
726 i1++;
727 }
728 SAY("WARNING: failed to adjust volume: control not found\n");
729 return -ENOENT;
730 }
731 /*****************************************************************************/
732 /*---------------------------------------------------------------------------*/
733 /*
734 * AN ALTERNATIVE METHOD OF MUTING MIGHT SEEM TO BE:
735 * usb_set_interface(peasycap->pusb_device, \
736 * peasycap->audio_interface, \
737 * peasycap->audio_altsetting_off);
738 * HOWEVER, AFTER THIS COMMAND IS ISSUED ALL SUBSEQUENT URBS RECEIVE STATUS
739 * -ESHUTDOWN. THE HANDLER ROUTINE easysnd_complete() DECLINES TO RESUBMIT
740 * THE URB AND THE PIPELINE COLLAPSES IRRETRIEVABLY. BEWARE.
741 */
742 /*---------------------------------------------------------------------------*/
743 int adjust_mute(struct easycap *peasycap, int value)
744 {
745 int i1;
746
747 if ((struct usb_device *)NULL == peasycap->pusb_device) {
748 SAY("ERROR: peasycap->pusb_device is NULL\n");
749 return -EFAULT;
750 }
751 i1 = 0;
752 while (0xFFFFFFFF != easycap_control[i1].id) {
753 if (V4L2_CID_AUDIO_MUTE == easycap_control[i1].id) {
754 peasycap->mute = value;
755 switch (peasycap->mute) {
756 case 1: {
757 peasycap->audio_idle = 1;
758 peasycap->timeval0.tv_sec = 0;
759 SAY("adjusting mute: %i=peasycap->audio_idle\n", \
760 peasycap->audio_idle);
761 return 0;
762 }
763 default: {
764 peasycap->audio_idle = 0;
765 SAY("adjusting mute: %i=peasycap->audio_idle\n", \
766 peasycap->audio_idle);
767 return 0;
768 }
769 }
770 break;
771 }
772 i1++;
773 }
774 SAY("WARNING: failed to adjust mute: control not found\n");
775 return -ENOENT;
776 }
777
778 /*--------------------------------------------------------------------------*/
779 static int easycap_ioctl_bkl(struct inode *inode, struct file *file,
780 unsigned int cmd, unsigned long arg)
781 {
782 static struct easycap *peasycap;
783 static struct usb_device *p;
784 static __u32 isequence;
785
786 peasycap = file->private_data;
787 if (NULL == peasycap) {
788 SAY("ERROR: peasycap is NULL\n");
789 return -1;
790 }
791 p = peasycap->pusb_device;
792 if ((struct usb_device *)NULL == p) {
793 SAY("ERROR: peasycap->pusb_device is NULL\n");
794 return -EFAULT;
795 }
796 /*---------------------------------------------------------------------------*/
797 /*
798 * MOST OF THE VARIABLES DECLARED static IN THE case{} BLOCKS BELOW ARE SO
799 * DECLARED SIMPLY TO AVOID A COMPILER WARNING OF THE KIND:
800 * easycap_ioctl.c: warning:
801 * the frame size of ... bytes is larger than 1024 bytes
802 */
803 /*---------------------------------------------------------------------------*/
804 switch (cmd) {
805 case VIDIOC_QUERYCAP: {
806 static struct v4l2_capability v4l2_capability;
807 static char version[16], *p1, *p2;
808 static int i, rc, k[3];
809 static long lng;
810
811 JOT(8, "VIDIOC_QUERYCAP\n");
812
813 if (16 <= strlen(EASYCAP_DRIVER_VERSION)) {
814 SAY("ERROR: bad driver version string\n"); return -EINVAL;
815 }
816 strcpy(&version[0], EASYCAP_DRIVER_VERSION);
817 for (i = 0; i < 3; i++)
818 k[i] = 0;
819 p2 = &version[0]; i = 0;
820 while (*p2) {
821 p1 = p2;
822 while (*p2 && ('.' != *p2))
823 p2++;
824 if (*p2)
825 *p2++ = 0;
826 if (3 > i) {
827 rc = (int) strict_strtol(p1, 10, &lng);
828 if (0 != rc) {
829 SAY("ERROR: %i=strict_strtol(%s,.,,)\n", \
830 rc, p1);
831 return -EINVAL;
832 }
833 k[i] = (int)lng;
834 }
835 i++;
836 }
837
838 memset(&v4l2_capability, 0, sizeof(struct v4l2_capability));
839 strlcpy(&v4l2_capability.driver[0], "easycap", \
840 sizeof(v4l2_capability.driver));
841
842 v4l2_capability.capabilities = \
843 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING | \
844 V4L2_CAP_AUDIO | V4L2_CAP_READWRITE;
845
846 v4l2_capability.version = KERNEL_VERSION(k[0], k[1], k[2]);
847 JOT(8, "v4l2_capability.version=(%i,%i,%i)\n", k[0], k[1], k[2]);
848
849 strlcpy(&v4l2_capability.card[0], "EasyCAP DC60", \
850 sizeof(v4l2_capability.card));
851
852 if (usb_make_path(peasycap->pusb_device, &v4l2_capability.bus_info[0],\
853 sizeof(v4l2_capability.bus_info)) < 0) {
854 strlcpy(&v4l2_capability.bus_info[0], "EasyCAP bus_info", \
855 sizeof(v4l2_capability.bus_info));
856 JOT(8, "%s=v4l2_capability.bus_info\n", \
857 &v4l2_capability.bus_info[0]);
858 }
859 if (0 != copy_to_user((void __user *)arg, &v4l2_capability, \
860 sizeof(struct v4l2_capability))) {
861 POUT;
862 return -EFAULT;
863 }
864 break;
865 }
866 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
867 case VIDIOC_ENUMINPUT: {
868 static struct v4l2_input v4l2_input;
869 static __u32 index;
870
871 JOT(8, "VIDIOC_ENUMINPUT\n");
872
873 if (0 != copy_from_user(&v4l2_input, (void __user *)arg, \
874 sizeof(struct v4l2_input))) {
875 POUT;
876 return -EFAULT;
877 }
878
879 index = v4l2_input.index;
880 memset(&v4l2_input, 0, sizeof(struct v4l2_input));
881
882 switch (index) {
883 case 0: {
884 v4l2_input.index = index;
885 strcpy(&v4l2_input.name[0], "CVBS0");
886 v4l2_input.type = V4L2_INPUT_TYPE_CAMERA;
887 v4l2_input.audioset = 0x01;
888 v4l2_input.tuner = 0;
889 v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM | \
890 V4L2_STD_NTSC ;
891 v4l2_input.status = 0;
892 JOT(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
893 break;
894 }
895 case 1: {
896 v4l2_input.index = index;
897 strcpy(&v4l2_input.name[0], "CVBS1");
898 v4l2_input.type = V4L2_INPUT_TYPE_CAMERA;
899 v4l2_input.audioset = 0x01;
900 v4l2_input.tuner = 0;
901 v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM | \
902 V4L2_STD_NTSC ;
903 v4l2_input.status = 0;
904 JOT(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
905 break;
906 }
907 case 2: {
908 v4l2_input.index = index;
909 strcpy(&v4l2_input.name[0], "CVBS2");
910 v4l2_input.type = V4L2_INPUT_TYPE_CAMERA;
911 v4l2_input.audioset = 0x01;
912 v4l2_input.tuner = 0;
913 v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM | \
914 V4L2_STD_NTSC ;
915 v4l2_input.status = 0;
916 JOT(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
917 break;
918 }
919 case 3: {
920 v4l2_input.index = index;
921 strcpy(&v4l2_input.name[0], "CVBS3");
922 v4l2_input.type = V4L2_INPUT_TYPE_CAMERA;
923 v4l2_input.audioset = 0x01;
924 v4l2_input.tuner = 0;
925 v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM | \
926 V4L2_STD_NTSC ;
927 v4l2_input.status = 0;
928 JOT(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
929 break;
930 }
931 case 4: {
932 v4l2_input.index = index;
933 strcpy(&v4l2_input.name[0], "CVBS4");
934 v4l2_input.type = V4L2_INPUT_TYPE_CAMERA;
935 v4l2_input.audioset = 0x01;
936 v4l2_input.tuner = 0;
937 v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM | \
938 V4L2_STD_NTSC ;
939 v4l2_input.status = 0;
940 JOT(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
941 break;
942 }
943 case 5: {
944 v4l2_input.index = index;
945 strcpy(&v4l2_input.name[0], "S-VIDEO");
946 v4l2_input.type = V4L2_INPUT_TYPE_CAMERA;
947 v4l2_input.audioset = 0x01;
948 v4l2_input.tuner = 0;
949 v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM | \
950 V4L2_STD_NTSC ;
951 v4l2_input.status = 0;
952 JOT(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
953 break;
954 }
955 default: {
956 JOT(8, "%i=index: exhausts inputs\n", index);
957 return -EINVAL;
958 }
959 }
960
961 if (0 != copy_to_user((void __user *)arg, &v4l2_input, \
962 sizeof(struct v4l2_input))) {
963 POUT;
964 return -EFAULT;
965 }
966 break;
967 }
968 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
969 case VIDIOC_G_INPUT: {
970 static __u32 index;
971
972 JOT(8, "VIDIOC_G_INPUT\n");
973 index = (__u32)peasycap->input;
974 JOT(8, "user is told: %i\n", index);
975 if (0 != copy_to_user((void __user *)arg, &index, sizeof(__u32))) {
976 POUT;
977 return -EFAULT;
978 }
979 break;
980 }
981 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
982 case VIDIOC_S_INPUT:
983 {
984 static __u32 index;
985
986 JOT(8, "VIDIOC_S_INPUT\n");
987
988 if (0 != copy_from_user(&index, (void __user *)arg, sizeof(__u32))) {
989 POUT;
990 return -EFAULT;
991 }
992
993 JOT(8, "user requests input %i\n", index);
994
995 if ((int)index == peasycap->input) {
996 SAY("requested input already in effect\n");
997 break;
998 }
999
1000 if ((0 > index) || (5 < index)) {
1001 JOT(8, "ERROR: bad requested input: %i\n", index);
1002 return -EINVAL;
1003 }
1004 peasycap->input = (int)index;
1005
1006 select_input(peasycap->pusb_device, peasycap->input, 9);
1007
1008 break;
1009 }
1010 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1011 case VIDIOC_ENUMAUDIO: {
1012 JOT(8, "VIDIOC_ENUMAUDIO\n");
1013 return -EINVAL;
1014 }
1015 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1016 case VIDIOC_ENUMAUDOUT: {
1017 static struct v4l2_audioout v4l2_audioout;
1018
1019 JOT(8, "VIDIOC_ENUMAUDOUT\n");
1020
1021 if (0 != copy_from_user(&v4l2_audioout, (void __user *)arg, \
1022 sizeof(struct v4l2_audioout))) {
1023 POUT;
1024 return -EFAULT;
1025 }
1026
1027 if (0 != v4l2_audioout.index)
1028 return -EINVAL;
1029 memset(&v4l2_audioout, 0, sizeof(struct v4l2_audioout));
1030 v4l2_audioout.index = 0;
1031 strcpy(&v4l2_audioout.name[0], "Soundtrack");
1032
1033 if (0 != copy_to_user((void __user *)arg, &v4l2_audioout, \
1034 sizeof(struct v4l2_audioout))) {
1035 POUT;
1036 return -EFAULT;
1037 }
1038 break;
1039 }
1040 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1041 case VIDIOC_QUERYCTRL: {
1042 static int i1;
1043 static struct v4l2_queryctrl v4l2_queryctrl;
1044
1045 JOT(8, "VIDIOC_QUERYCTRL\n");
1046
1047 if (0 != copy_from_user(&v4l2_queryctrl, (void __user *)arg, \
1048 sizeof(struct v4l2_queryctrl))) {
1049 POUT;
1050 return -EFAULT;
1051 }
1052
1053 i1 = 0;
1054 while (0xFFFFFFFF != easycap_control[i1].id) {
1055 if (easycap_control[i1].id == v4l2_queryctrl.id) {
1056 JOT(8, "VIDIOC_QUERYCTRL %s=easycap_control[%i]" \
1057 ".name\n", &easycap_control[i1].name[0], i1);
1058 memcpy(&v4l2_queryctrl, &easycap_control[i1], \
1059 sizeof(struct v4l2_queryctrl));
1060 break;
1061 }
1062 i1++;
1063 }
1064 if (0xFFFFFFFF == easycap_control[i1].id) {
1065 JOT(8, "%i=index: exhausts controls\n", i1);
1066 return -EINVAL;
1067 }
1068 if (0 != copy_to_user((void __user *)arg, &v4l2_queryctrl, \
1069 sizeof(struct v4l2_queryctrl))) {
1070 POUT;
1071 return -EFAULT;
1072 }
1073 break;
1074 }
1075 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1076 case VIDIOC_QUERYMENU: {
1077 JOT(8, "VIDIOC_QUERYMENU unsupported\n");
1078 return -EINVAL;
1079 break;
1080 }
1081 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1082 case VIDIOC_G_CTRL: {
1083 static struct v4l2_control v4l2_control;
1084
1085 JOT(8, "VIDIOC_G_CTRL\n");
1086
1087 if (0 != copy_from_user(&v4l2_control, (void __user *)arg, \
1088 sizeof(struct v4l2_control))) {
1089 POUT;
1090 return -EFAULT;
1091 }
1092
1093 switch (v4l2_control.id) {
1094 case V4L2_CID_BRIGHTNESS: {
1095 v4l2_control.value = peasycap->brightness;
1096 JOT(8, "user enquires brightness: %i\n", v4l2_control.value);
1097 break;
1098 }
1099 case V4L2_CID_CONTRAST: {
1100 v4l2_control.value = peasycap->contrast;
1101 JOT(8, "user enquires contrast: %i\n", v4l2_control.value);
1102 break;
1103 }
1104 case V4L2_CID_SATURATION: {
1105 v4l2_control.value = peasycap->saturation;
1106 JOT(8, "user enquires saturation: %i\n", v4l2_control.value);
1107 break;
1108 }
1109 case V4L2_CID_HUE: {
1110 v4l2_control.value = peasycap->hue;
1111 JOT(8, "user enquires hue: %i\n", v4l2_control.value);
1112 break;
1113 }
1114 case V4L2_CID_AUDIO_VOLUME: {
1115 v4l2_control.value = peasycap->volume;
1116 JOT(8, "user enquires volume: %i\n", v4l2_control.value);
1117 break;
1118 }
1119 case V4L2_CID_AUDIO_MUTE: {
1120 if (1 == peasycap->mute)
1121 v4l2_control.value = true;
1122 else
1123 v4l2_control.value = false;
1124 JOT(8, "user enquires mute: %i\n", v4l2_control.value);
1125 break;
1126 }
1127 default: {
1128 SAY("ERROR: unknown V4L2 control: 0x%08X=id\n", \
1129 v4l2_control.id);
1130 explain_cid(v4l2_control.id);
1131 return -EINVAL;
1132 }
1133 }
1134 if (0 != copy_to_user((void __user *)arg, &v4l2_control, \
1135 sizeof(struct v4l2_control))) {
1136 POUT;
1137 return -EFAULT;
1138 }
1139 break;
1140 }
1141 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1142 #if defined(VIDIOC_S_CTRL_OLD)
1143 case VIDIOC_S_CTRL_OLD: {
1144 JOT(8, "VIDIOC_S_CTRL_OLD required at least for xawtv\n");
1145 }
1146 #endif /*VIDIOC_S_CTRL_OLD*/
1147 case VIDIOC_S_CTRL:
1148 {
1149 static struct v4l2_control v4l2_control;
1150
1151 JOT(8, "VIDIOC_S_CTRL\n");
1152
1153 if (0 != copy_from_user(&v4l2_control, (void __user *)arg, \
1154 sizeof(struct v4l2_control))) {
1155 POUT;
1156 return -EFAULT;
1157 }
1158
1159 switch (v4l2_control.id) {
1160 case V4L2_CID_BRIGHTNESS: {
1161 JOT(8, "user requests brightness %i\n", v4l2_control.value);
1162 if (0 != adjust_brightness(peasycap, v4l2_control.value))
1163 ;
1164 break;
1165 }
1166 case V4L2_CID_CONTRAST: {
1167 JOT(8, "user requests contrast %i\n", v4l2_control.value);
1168 if (0 != adjust_contrast(peasycap, v4l2_control.value))
1169 ;
1170 break;
1171 }
1172 case V4L2_CID_SATURATION: {
1173 JOT(8, "user requests saturation %i\n", v4l2_control.value);
1174 if (0 != adjust_saturation(peasycap, v4l2_control.value))
1175 ;
1176 break;
1177 }
1178 case V4L2_CID_HUE: {
1179 JOT(8, "user requests hue %i\n", v4l2_control.value);
1180 if (0 != adjust_hue(peasycap, v4l2_control.value))
1181 ;
1182 break;
1183 }
1184 case V4L2_CID_AUDIO_VOLUME: {
1185 JOT(8, "user requests volume %i\n", v4l2_control.value);
1186 if (0 != adjust_volume(peasycap, v4l2_control.value))
1187 ;
1188 break;
1189 }
1190 case V4L2_CID_AUDIO_MUTE: {
1191 int mute;
1192
1193 JOT(8, "user requests mute %i\n", v4l2_control.value);
1194 if (true == v4l2_control.value)
1195 mute = 1;
1196 else
1197 mute = 0;
1198
1199 if (0 != adjust_mute(peasycap, mute))
1200 SAY("WARNING: failed to adjust mute to %i\n", mute);
1201 break;
1202 }
1203 default: {
1204 SAY("ERROR: unknown V4L2 control: 0x%08X=id\n", \
1205 v4l2_control.id);
1206 explain_cid(v4l2_control.id);
1207 return -EINVAL;
1208 }
1209 }
1210 break;
1211 }
1212 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1213 case VIDIOC_S_EXT_CTRLS: {
1214 JOT(8, "VIDIOC_S_EXT_CTRLS unsupported\n");
1215 return -EINVAL;
1216 }
1217 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1218 case VIDIOC_ENUM_FMT: {
1219 static __u32 index;
1220 static struct v4l2_fmtdesc v4l2_fmtdesc;
1221
1222 JOT(8, "VIDIOC_ENUM_FMT\n");
1223
1224 if (0 != copy_from_user(&v4l2_fmtdesc, (void __user *)arg, \
1225 sizeof(struct v4l2_fmtdesc))) {
1226 POUT;
1227 return -EFAULT;
1228 }
1229
1230 index = v4l2_fmtdesc.index;
1231 memset(&v4l2_fmtdesc, 0, sizeof(struct v4l2_fmtdesc));
1232
1233 v4l2_fmtdesc.index = index;
1234 v4l2_fmtdesc.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1235
1236 switch (index) {
1237 case 0: {
1238 v4l2_fmtdesc.flags = 0;
1239 strcpy(&v4l2_fmtdesc.description[0], "uyvy");
1240 v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_UYVY;
1241 JOT(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
1242 break;
1243 }
1244 case 1: {
1245 v4l2_fmtdesc.flags = 0;
1246 strcpy(&v4l2_fmtdesc.description[0], "yuy2");
1247 v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_YUYV;
1248 JOT(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
1249 break;
1250 }
1251 case 2: {
1252 v4l2_fmtdesc.flags = 0;
1253 strcpy(&v4l2_fmtdesc.description[0], "rgb24");
1254 v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_RGB24;
1255 JOT(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
1256 break;
1257 }
1258 case 3: {
1259 v4l2_fmtdesc.flags = 0;
1260 strcpy(&v4l2_fmtdesc.description[0], "rgb32");
1261 v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_RGB32;
1262 JOT(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
1263 break;
1264 }
1265 case 4: {
1266 v4l2_fmtdesc.flags = 0;
1267 strcpy(&v4l2_fmtdesc.description[0], "bgr24");
1268 v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_BGR24;
1269 JOT(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
1270 break;
1271 }
1272 case 5: {
1273 v4l2_fmtdesc.flags = 0;
1274 strcpy(&v4l2_fmtdesc.description[0], "bgr32");
1275 v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_BGR32;
1276 JOT(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
1277 break;
1278 }
1279 default: {
1280 JOT(8, "%i=index: exhausts formats\n", index);
1281 return -EINVAL;
1282 }
1283 }
1284 if (0 != copy_to_user((void __user *)arg, &v4l2_fmtdesc, \
1285 sizeof(struct v4l2_fmtdesc))) {
1286 POUT;
1287 return -EFAULT;
1288 }
1289 break;
1290 }
1291 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1292 case VIDIOC_ENUM_FRAMESIZES: {
1293 JOT(8, "VIDIOC_ENUM_FRAMESIZES unsupported\n");
1294 return -EINVAL;
1295 }
1296 case VIDIOC_ENUM_FRAMEINTERVALS: {
1297 JOT(8, "VIDIOC_ENUM_FRAME_INTERVALS unsupported\n");
1298 return -EINVAL;
1299 }
1300 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1301 case VIDIOC_G_FMT: {
1302 static struct v4l2_format v4l2_format;
1303 static struct v4l2_pix_format v4l2_pix_format;
1304
1305 JOT(8, "VIDIOC_G_FMT\n");
1306
1307 if (0 != copy_from_user(&v4l2_format, (void __user *)arg, \
1308 sizeof(struct v4l2_format))) {
1309 POUT;
1310 return -EFAULT;
1311 }
1312
1313 if (v4l2_format.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1314 POUT;
1315 return -EINVAL;
1316 }
1317
1318 memset(&v4l2_pix_format, 0, sizeof(struct v4l2_pix_format));
1319 v4l2_format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1320 memcpy(&(v4l2_format.fmt.pix), \
1321 &(easycap_format[peasycap->format_offset]\
1322 .v4l2_format.fmt.pix), sizeof(v4l2_pix_format));
1323 JOT(8, "user is told: %s\n", \
1324 &easycap_format[peasycap->format_offset].name[0]);
1325
1326 if (0 != copy_to_user((void __user *)arg, &v4l2_format, \
1327 sizeof(struct v4l2_format))) {
1328 POUT;
1329 return -EFAULT;
1330 }
1331 break;
1332 }
1333 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1334 case VIDIOC_TRY_FMT:
1335 case VIDIOC_S_FMT: {
1336 static struct v4l2_format v4l2_format;
1337 static struct v4l2_pix_format v4l2_pix_format;
1338 static bool try;
1339 static int best_format;
1340
1341 if (VIDIOC_TRY_FMT == cmd) {
1342 JOT(8, "VIDIOC_TRY_FMT\n");
1343 try = true;
1344 } else {
1345 JOT(8, "VIDIOC_S_FMT\n");
1346 try = false;
1347 }
1348
1349 if (0 != copy_from_user(&v4l2_format, (void __user *)arg, \
1350 sizeof(struct v4l2_format))) {
1351 POUT;
1352 return -EFAULT;
1353 }
1354
1355 best_format = adjust_format(peasycap, \
1356 v4l2_format.fmt.pix.width, \
1357 v4l2_format.fmt.pix.height, \
1358 v4l2_format.fmt.pix.pixelformat, \
1359 v4l2_format.fmt.pix.field, \
1360 try);
1361 if (0 > best_format) {
1362 JOT(8, "WARNING: adjust_format() returned %i\n", best_format);
1363 return -ENOENT;
1364 }
1365 /*...........................................................................*/
1366 memset(&v4l2_pix_format, 0, sizeof(struct v4l2_pix_format));
1367 v4l2_format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1368
1369 memcpy(&(v4l2_format.fmt.pix), &(easycap_format[best_format]\
1370 .v4l2_format.fmt.pix), sizeof(v4l2_pix_format));
1371 JOT(8, "user is told: %s\n", &easycap_format[best_format].name[0]);
1372
1373 if (0 != copy_to_user((void __user *)arg, &v4l2_format, \
1374 sizeof(struct v4l2_format))) {
1375 POUT;
1376 return -EFAULT;
1377 }
1378 break;
1379 }
1380 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1381 case VIDIOC_CROPCAP: {
1382 static struct v4l2_cropcap v4l2_cropcap;
1383
1384 JOT(8, "VIDIOC_CROPCAP\n");
1385
1386 if (0 != copy_from_user(&v4l2_cropcap, (void __user *)arg, \
1387 sizeof(struct v4l2_cropcap))) {
1388 POUT;
1389 return -EFAULT;
1390 }
1391
1392 if (v4l2_cropcap.type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1393 JOT(8, "v4l2_cropcap.type != V4L2_BUF_TYPE_VIDEO_CAPTURE\n");
1394
1395 memset(&v4l2_cropcap, 0, sizeof(struct v4l2_cropcap));
1396 v4l2_cropcap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1397 v4l2_cropcap.bounds.left = 0;
1398 v4l2_cropcap.bounds.top = 0;
1399 v4l2_cropcap.bounds.width = peasycap->width;
1400 v4l2_cropcap.bounds.height = peasycap->height;
1401 v4l2_cropcap.defrect.left = 0;
1402 v4l2_cropcap.defrect.top = 0;
1403 v4l2_cropcap.defrect.width = peasycap->width;
1404 v4l2_cropcap.defrect.height = peasycap->height;
1405 v4l2_cropcap.pixelaspect.numerator = 1;
1406 v4l2_cropcap.pixelaspect.denominator = 1;
1407
1408 JOT(8, "user is told: %ix%i\n", peasycap->width, peasycap->height);
1409
1410 if (0 != copy_to_user((void __user *)arg, &v4l2_cropcap, \
1411 sizeof(struct v4l2_cropcap))) {
1412 POUT;
1413 return -EFAULT;
1414 }
1415 break;
1416 }
1417 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1418 case VIDIOC_G_CROP:
1419 case VIDIOC_S_CROP: {
1420 JOT(8, "VIDIOC_G_CROP|VIDIOC_S_CROP unsupported\n");
1421 return -EINVAL;
1422 }
1423 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1424 case VIDIOC_QUERYSTD: {
1425 JOT(8, "VIDIOC_QUERYSTD: " \
1426 "EasyCAP is incapable of detecting standard\n");
1427 return -EINVAL;
1428 break;
1429 }
1430 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1431 /*---------------------------------------------------------------------------*/
1432 /*
1433 * THE MANIPULATIONS INVOLVING last0,last1,last2,last3 CONSTITUTE A WORKAROUND
1434 * FOR WHAT APPEARS TO BE A BUG IN 64-BIT mplayer.
1435 * NOT NEEDED, BUT HOPEFULLY HARMLESS, FOR 32-BIT mplayer.
1436 */
1437 /*---------------------------------------------------------------------------*/
1438 case VIDIOC_ENUMSTD: {
1439 static int last0 = -1, last1 = -1, last2 = -1, last3 = -1;
1440 static struct v4l2_standard v4l2_standard;
1441 static __u32 index;
1442 static struct easycap_standard const *peasycap_standard;
1443
1444 JOT(8, "VIDIOC_ENUMSTD\n");
1445
1446 if (0 != copy_from_user(&v4l2_standard, (void __user *)arg, \
1447 sizeof(struct v4l2_standard))) {
1448 POUT;
1449 return -EFAULT;
1450 }
1451 index = v4l2_standard.index;
1452
1453 last3 = last2; last2 = last1; last1 = last0; last0 = index;
1454 if ((index == last3) && (index == last2) && \
1455 (index == last1) && (index == last0)) {
1456 index++;
1457 last3 = last2; last2 = last1; last1 = last0; last0 = index;
1458 }
1459
1460 memset(&v4l2_standard, 0, sizeof(struct v4l2_standard));
1461
1462 peasycap_standard = &easycap_standard[0];
1463 while (0xFFFF != peasycap_standard->mask) {
1464 if ((int)(peasycap_standard - &easycap_standard[0]) == index)
1465 break;
1466 peasycap_standard++;
1467 }
1468 if (0xFFFF == peasycap_standard->mask) {
1469 JOT(8, "%i=index: exhausts standards\n", index);
1470 return -EINVAL;
1471 }
1472 JOT(8, "%i=index: %s\n", index, \
1473 &(peasycap_standard->v4l2_standard.name[0]));
1474 memcpy(&v4l2_standard, &(peasycap_standard->v4l2_standard), \
1475 sizeof(struct v4l2_standard));
1476
1477 v4l2_standard.index = index;
1478
1479 if (0 != copy_to_user((void __user *)arg, &v4l2_standard, \
1480 sizeof(struct v4l2_standard))) {
1481 POUT;
1482 return -EFAULT;
1483 }
1484 break;
1485 }
1486 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1487 case VIDIOC_G_STD: {
1488 static v4l2_std_id std_id;
1489 static struct easycap_standard const *peasycap_standard;
1490
1491 JOT(8, "VIDIOC_G_STD\n");
1492
1493 if (0 != copy_from_user(&std_id, (void __user *)arg, \
1494 sizeof(v4l2_std_id))) {
1495 POUT;
1496 return -EFAULT;
1497 }
1498
1499 peasycap_standard = &easycap_standard[peasycap->standard_offset];
1500 std_id = peasycap_standard->v4l2_standard.id;
1501
1502 JOT(8, "user is told: %s\n", \
1503 &peasycap_standard->v4l2_standard.name[0]);
1504
1505 if (0 != copy_to_user((void __user *)arg, &std_id, \
1506 sizeof(v4l2_std_id))) {
1507 POUT;
1508 return -EFAULT;
1509 }
1510 break;
1511 }
1512 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1513 case VIDIOC_S_STD: {
1514 static v4l2_std_id std_id;
1515 static int rc;
1516
1517 JOT(8, "VIDIOC_S_STD\n");
1518
1519 if (0 != copy_from_user(&std_id, (void __user *)arg, \
1520 sizeof(v4l2_std_id))) {
1521 POUT;
1522 return -EFAULT;
1523 }
1524
1525 rc = adjust_standard(peasycap, std_id);
1526 if (0 > rc) {
1527 JOT(8, "WARNING: adjust_standard() returned %i\n", rc);
1528 return -ENOENT;
1529 }
1530 break;
1531 }
1532 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1533 case VIDIOC_REQBUFS: {
1534 static int nbuffers;
1535 static struct v4l2_requestbuffers v4l2_requestbuffers;
1536
1537 JOT(8, "VIDIOC_REQBUFS\n");
1538
1539 if (0 != copy_from_user(&v4l2_requestbuffers, (void __user *)arg, \
1540 sizeof(struct v4l2_requestbuffers))) {
1541 POUT;
1542 return -EFAULT;
1543 }
1544
1545 if (v4l2_requestbuffers.type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1546 return -EINVAL;
1547 if (v4l2_requestbuffers.memory != V4L2_MEMORY_MMAP) {
1548 POUT;
1549 return -EINVAL;
1550 }
1551 nbuffers = v4l2_requestbuffers.count;
1552 JOT(8, " User requests %i buffers ...\n", nbuffers);
1553 if (nbuffers < 2)
1554 nbuffers = 2;
1555 if (nbuffers > FRAME_BUFFER_MANY)
1556 nbuffers = FRAME_BUFFER_MANY;
1557 if (v4l2_requestbuffers.count == nbuffers) {
1558 JOT(8, " ... agree to %i buffers\n", \
1559 nbuffers);
1560 } else {
1561 JOT(8, " ... insist on %i buffers\n", \
1562 nbuffers);
1563 v4l2_requestbuffers.count = nbuffers;
1564 }
1565 peasycap->frame_buffer_many = nbuffers;
1566
1567 if (0 != copy_to_user((void __user *)arg, &v4l2_requestbuffers, \
1568 sizeof(struct v4l2_requestbuffers))) {
1569 POUT;
1570 return -EFAULT;
1571 }
1572 break;
1573 }
1574 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1575 case VIDIOC_QUERYBUF: {
1576 static __u32 index;
1577 static struct v4l2_buffer v4l2_buffer;
1578
1579 JOT(8, "VIDIOC_QUERYBUF\n");
1580
1581 if (peasycap->video_eof) {
1582 JOT(8, "returning -1 because %i=video_eof\n", \
1583 peasycap->video_eof);
1584 return -1;
1585 }
1586
1587 if (0 != copy_from_user(&v4l2_buffer, (void __user *)arg, \
1588 sizeof(struct v4l2_buffer))) {
1589 POUT;
1590 return -EFAULT;
1591 }
1592
1593 if (v4l2_buffer.type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1594 return -EINVAL;
1595 index = v4l2_buffer.index;
1596 if (index < 0 || index >= peasycap->frame_buffer_many)
1597 return -EINVAL;
1598 memset(&v4l2_buffer, 0, sizeof(struct v4l2_buffer));
1599 v4l2_buffer.index = index;
1600 v4l2_buffer.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1601 v4l2_buffer.bytesused = peasycap->frame_buffer_used;
1602 v4l2_buffer.flags = V4L2_BUF_FLAG_MAPPED | \
1603 peasycap->done[index] | \
1604 peasycap->queued[index];
1605 v4l2_buffer.field = peasycap->field;
1606 v4l2_buffer.memory = V4L2_MEMORY_MMAP;
1607 v4l2_buffer.m.offset = index * FRAME_BUFFER_SIZE;
1608 v4l2_buffer.length = FRAME_BUFFER_SIZE;
1609
1610 JOT(16, " %10i=index\n", v4l2_buffer.index);
1611 JOT(16, " 0x%08X=type\n", v4l2_buffer.type);
1612 JOT(16, " %10i=bytesused\n", v4l2_buffer.bytesused);
1613 JOT(16, " 0x%08X=flags\n", v4l2_buffer.flags);
1614 JOT(16, " %10i=field\n", v4l2_buffer.field);
1615 JOT(16, " %10li=timestamp.tv_usec\n", \
1616 (long)v4l2_buffer.timestamp.tv_usec);
1617 JOT(16, " %10i=sequence\n", v4l2_buffer.sequence);
1618 JOT(16, " 0x%08X=memory\n", v4l2_buffer.memory);
1619 JOT(16, " %10i=m.offset\n", v4l2_buffer.m.offset);
1620 JOT(16, " %10i=length\n", v4l2_buffer.length);
1621
1622 if (0 != copy_to_user((void __user *)arg, &v4l2_buffer, \
1623 sizeof(struct v4l2_buffer))) {
1624 POUT;
1625 return -EFAULT;
1626 }
1627 break;
1628 }
1629 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1630 case VIDIOC_QBUF: {
1631 static struct v4l2_buffer v4l2_buffer;
1632
1633 JOT(8, "VIDIOC_QBUF\n");
1634
1635 if (0 != copy_from_user(&v4l2_buffer, (void __user *)arg, \
1636 sizeof(struct v4l2_buffer))) {
1637 POUT;
1638 return -EFAULT;
1639 }
1640
1641 if (v4l2_buffer.type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1642 return -EINVAL;
1643 if (v4l2_buffer.memory != V4L2_MEMORY_MMAP)
1644 return -EINVAL;
1645 if (v4l2_buffer.index < 0 || \
1646 (v4l2_buffer.index >= peasycap->frame_buffer_many))
1647 return -EINVAL;
1648 v4l2_buffer.flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_QUEUED;
1649
1650 peasycap->done[v4l2_buffer.index] = 0;
1651 peasycap->queued[v4l2_buffer.index] = V4L2_BUF_FLAG_QUEUED;
1652
1653 if (0 != copy_to_user((void __user *)arg, &v4l2_buffer, \
1654 sizeof(struct v4l2_buffer))) {
1655 POUT;
1656 return -EFAULT;
1657 }
1658
1659 JOT(8, "..... user queueing frame buffer %i\n", \
1660 (int)v4l2_buffer.index);
1661
1662 peasycap->frame_lock = 0;
1663
1664 break;
1665 }
1666 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1667 case VIDIOC_DQBUF:
1668 {
1669 #if defined(AUDIOTIME)
1670 static struct signed_div_result sdr;
1671 static long long int above, below, dnbydt, fudge, sll;
1672 static unsigned long long int ull;
1673 static struct timeval timeval0;
1674 struct timeval timeval1;
1675 #endif /*AUDIOTIME*/
1676 static struct timeval timeval, timeval2;
1677 static int i, j;
1678 static struct v4l2_buffer v4l2_buffer;
1679
1680 JOT(8, "VIDIOC_DQBUF\n");
1681
1682 if ((peasycap->video_idle) || (peasycap->video_eof)) {
1683 JOT(8, "returning -EIO because " \
1684 "%i=video_idle %i=video_eof\n", \
1685 peasycap->video_idle, peasycap->video_eof);
1686 return -EIO;
1687 }
1688
1689 if (0 != copy_from_user(&v4l2_buffer, (void __user *)arg, \
1690 sizeof(struct v4l2_buffer))) {
1691 POUT;
1692 return -EFAULT;
1693 }
1694
1695 if (v4l2_buffer.type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1696 return -EINVAL;
1697
1698 if (!peasycap->video_isoc_streaming) {
1699 JOT(16, "returning -EIO because video urbs not streaming\n");
1700 return -EIO;
1701 }
1702 /*---------------------------------------------------------------------------*/
1703 /*
1704 * IF THE USER HAS PREVIOUSLY CALLED easycap_poll(), AS DETERMINED BY FINDING
1705 * THE FLAG peasycap->polled SET, THERE MUST BE NO FURTHER WAIT HERE. IN THIS
1706 * CASE, JUST CHOOSE THE FRAME INDICATED BY peasycap->frame_read
1707 */
1708 /*---------------------------------------------------------------------------*/
1709
1710 if (!peasycap->polled) {
1711 if (-EIO == easycap_dqbuf(peasycap, 0))
1712 return -EIO;
1713 } else {
1714 if (peasycap->video_eof)
1715 return -EIO;
1716 }
1717 if (V4L2_BUF_FLAG_DONE != peasycap->done[peasycap->frame_read]) {
1718 SAY("ERROR: V4L2_BUF_FLAG_DONE != 0x%08X\n", \
1719 peasycap->done[peasycap->frame_read]);
1720 }
1721 peasycap->polled = 0;
1722
1723 if (!(isequence % 10)) {
1724 for (i = 0; i < 179; i++)
1725 peasycap->merit[i] = peasycap->merit[i+1];
1726 peasycap->merit[179] = merit_saa(peasycap->pusb_device);
1727 j = 0;
1728 for (i = 0; i < 180; i++)
1729 j += peasycap->merit[i];
1730 if (90 < j) {
1731 SAY("easycap driver shutting down " \
1732 "on condition blue\n");
1733 peasycap->video_eof = 1; peasycap->audio_eof = 1;
1734 }
1735 }
1736
1737 v4l2_buffer.index = peasycap->frame_read;
1738 v4l2_buffer.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1739 v4l2_buffer.bytesused = peasycap->frame_buffer_used;
1740 v4l2_buffer.flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_DONE;
1741 v4l2_buffer.field = peasycap->field;
1742 if (V4L2_FIELD_ALTERNATE == v4l2_buffer.field)
1743 v4l2_buffer.field = \
1744 0x000F & (peasycap->\
1745 frame_buffer[peasycap->frame_read][0].kount);
1746 do_gettimeofday(&timeval);
1747 timeval2 = timeval;
1748
1749 #if defined(AUDIOTIME)
1750 if (!peasycap->timeval0.tv_sec) {
1751 timeval0 = timeval;
1752 timeval1 = timeval;
1753 timeval2 = timeval;
1754 dnbydt = 192000;
1755
1756 if (mutex_lock_interruptible(&(peasycap->mutex_timeval0)))
1757 return -ERESTARTSYS;
1758 peasycap->timeval0 = timeval0;
1759 mutex_unlock(&(peasycap->mutex_timeval0));
1760 } else {
1761 if (mutex_lock_interruptible(&(peasycap->mutex_timeval1)))
1762 return -ERESTARTSYS;
1763 dnbydt = peasycap->dnbydt;
1764 timeval1 = peasycap->timeval1;
1765 mutex_unlock(&(peasycap->mutex_timeval1));
1766 above = dnbydt * MICROSECONDS(timeval, timeval1);
1767 below = 192000;
1768 sdr = signed_div(above, below);
1769
1770 above = sdr.quotient + timeval1.tv_usec - 350000;
1771
1772 below = 1000000;
1773 sdr = signed_div(above, below);
1774 timeval2.tv_usec = sdr.remainder;
1775 timeval2.tv_sec = timeval1.tv_sec + sdr.quotient;
1776 }
1777 if (!(isequence % 500)) {
1778 fudge = ((long long int)(1000000)) * \
1779 ((long long int)(timeval.tv_sec - \
1780 timeval2.tv_sec)) + \
1781 (long long int)(timeval.tv_usec - \
1782 timeval2.tv_usec);
1783 sdr = signed_div(fudge, 1000);
1784 sll = sdr.quotient;
1785 ull = sdr.remainder;
1786
1787 SAY("%5lli.%-3lli=ms timestamp fudge\n", sll, ull);
1788 }
1789 #endif /*AUDIOTIME*/
1790
1791 v4l2_buffer.timestamp = timeval2;
1792 v4l2_buffer.sequence = isequence++;
1793 v4l2_buffer.memory = V4L2_MEMORY_MMAP;
1794 v4l2_buffer.m.offset = v4l2_buffer.index * FRAME_BUFFER_SIZE;
1795 v4l2_buffer.length = FRAME_BUFFER_SIZE;
1796
1797 JOT(16, " %10i=index\n", v4l2_buffer.index);
1798 JOT(16, " 0x%08X=type\n", v4l2_buffer.type);
1799 JOT(16, " %10i=bytesused\n", v4l2_buffer.bytesused);
1800 JOT(16, " 0x%08X=flags\n", v4l2_buffer.flags);
1801 JOT(16, " %10i=field\n", v4l2_buffer.field);
1802 JOT(16, " %10li=timestamp.tv_usec\n", \
1803 (long)v4l2_buffer.timestamp.tv_usec);
1804 JOT(16, " %10i=sequence\n", v4l2_buffer.sequence);
1805 JOT(16, " 0x%08X=memory\n", v4l2_buffer.memory);
1806 JOT(16, " %10i=m.offset\n", v4l2_buffer.m.offset);
1807 JOT(16, " %10i=length\n", v4l2_buffer.length);
1808
1809 if (0 != copy_to_user((void __user *)arg, &v4l2_buffer, \
1810 sizeof(struct v4l2_buffer))) {
1811 POUT;
1812 return -EFAULT;
1813 }
1814
1815 JOT(8, "..... user is offered frame buffer %i\n", \
1816 peasycap->frame_read);
1817 peasycap->frame_lock = 1;
1818 if (peasycap->frame_read == peasycap->frame_fill) {
1819 if (peasycap->frame_lock) {
1820 JOT(8, "ERROR: filling frame buffer " \
1821 "while offered to user\n");
1822 }
1823 }
1824 break;
1825 }
1826 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1827 /*---------------------------------------------------------------------------*/
1828 /*
1829 * AUDIO URBS HAVE ALREADY BEEN SUBMITTED WHEN THIS COMMAND IS RECEIVED;
1830 * VIDEO URBS HAVE NOT.
1831 */
1832 /*---------------------------------------------------------------------------*/
1833 case VIDIOC_STREAMON: {
1834 static int i;
1835
1836 JOT(8, "VIDIOC_STREAMON\n");
1837
1838 isequence = 0;
1839 for (i = 0; i < 180; i++)
1840 peasycap->merit[i] = 0;
1841 if ((struct usb_device *)NULL == peasycap->pusb_device) {
1842 SAY("ERROR: peasycap->pusb_device is NULL\n");
1843 return -EFAULT;
1844 }
1845 submit_video_urbs(peasycap);
1846 peasycap->video_idle = 0;
1847 peasycap->audio_idle = 0;
1848 peasycap->video_eof = 0;
1849 peasycap->audio_eof = 0;
1850 break;
1851 }
1852 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1853 case VIDIOC_STREAMOFF: {
1854 JOT(8, "VIDIOC_STREAMOFF\n");
1855
1856 if ((struct usb_device *)NULL == peasycap->pusb_device) {
1857 SAY("ERROR: peasycap->pusb_device is NULL\n");
1858 return -EFAULT;
1859 }
1860
1861 peasycap->video_idle = 1;
1862 peasycap->audio_idle = 1; peasycap->timeval0.tv_sec = 0;
1863 /*---------------------------------------------------------------------------*/
1864 /*
1865 * IF THE WAIT QUEUES ARE NOT CLEARED IN RESPONSE TO THE STREAMOFF COMMAND
1866 * THE USERSPACE PROGRAM, E.G. mplayer, MAY HANG ON EXIT. BEWARE.
1867 */
1868 /*---------------------------------------------------------------------------*/
1869 JOT(8, "calling wake_up on wq_video and wq_audio\n");
1870 wake_up_interruptible(&(peasycap->wq_video));
1871 wake_up_interruptible(&(peasycap->wq_audio));
1872 /*---------------------------------------------------------------------------*/
1873 break;
1874 }
1875 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1876 case VIDIOC_G_PARM: {
1877 static struct v4l2_streamparm v4l2_streamparm;
1878
1879 JOT(8, "VIDIOC_G_PARM\n");
1880
1881 if (0 != copy_from_user(&v4l2_streamparm, (void __user *)arg, \
1882 sizeof(struct v4l2_streamparm))) {
1883 POUT;
1884 return -EFAULT;
1885 }
1886
1887 if (v4l2_streamparm.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1888 POUT;
1889 return -EINVAL;
1890 }
1891 v4l2_streamparm.parm.capture.capability = 0;
1892 v4l2_streamparm.parm.capture.capturemode = 0;
1893 v4l2_streamparm.parm.capture.timeperframe.numerator = 1;
1894 v4l2_streamparm.parm.capture.timeperframe.denominator = 30;
1895 v4l2_streamparm.parm.capture.readbuffers = peasycap->frame_buffer_many;
1896 v4l2_streamparm.parm.capture.extendedmode = 0;
1897 if (0 != copy_to_user((void __user *)arg, &v4l2_streamparm, \
1898 sizeof(struct v4l2_streamparm))) {
1899 POUT;
1900 return -EFAULT;
1901 }
1902 break;
1903 }
1904 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1905 case VIDIOC_S_PARM: {
1906 JOT(8, "VIDIOC_S_PARM unsupported\n");
1907 return -EINVAL;
1908 }
1909 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1910 case VIDIOC_G_AUDIO: {
1911 JOT(8, "VIDIOC_G_AUDIO unsupported\n");
1912 return -EINVAL;
1913 }
1914 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1915 case VIDIOC_S_AUDIO: {
1916 JOT(8, "VIDIOC_S_AUDIO unsupported\n");
1917 return -EINVAL;
1918 }
1919 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1920 case VIDIOC_S_TUNER: {
1921 JOT(8, "VIDIOC_S_TUNER unsupported\n");
1922 return -EINVAL;
1923 }
1924 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1925 case VIDIOC_G_FBUF:
1926 case VIDIOC_S_FBUF:
1927 case VIDIOC_OVERLAY: {
1928 JOT(8, "VIDIOC_G_FBUF|VIDIOC_S_FBUF|VIDIOC_OVERLAY unsupported\n");
1929 return -EINVAL;
1930 }
1931 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1932 case VIDIOC_G_TUNER: {
1933 JOT(8, "VIDIOC_G_TUNER unsupported\n");
1934 return -EINVAL;
1935 }
1936 case VIDIOC_G_FREQUENCY:
1937 case VIDIOC_S_FREQUENCY: {
1938 JOT(8, "VIDIOC_G_FREQUENCY|VIDIOC_S_FREQUENCY unsupported\n");
1939 return -EINVAL;
1940 }
1941 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
1942 default: {
1943 JOT(8, "ERROR: unrecognized V4L2 IOCTL command: 0x%08X\n", cmd);
1944 explain_ioctl(cmd);
1945 POUT;
1946 return -ENOIOCTLCMD;
1947 }
1948 }
1949 return 0;
1950 }
1951
1952 long easycap_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
1953 {
1954 struct inode *inode = file->f_dentry->d_inode;
1955 long ret;
1956
1957 lock_kernel();
1958 ret = easycap_ioctl_bkl(inode, file, cmd, arg);
1959 unlock_kernel();
1960
1961 return ret;
1962 }
1963
1964 /*--------------------------------------------------------------------------*/
1965 static int easysnd_ioctl_bkl(struct inode *inode, struct file *file,
1966 unsigned int cmd, unsigned long arg)
1967 {
1968 struct easycap *peasycap;
1969 struct usb_device *p;
1970
1971 peasycap = file->private_data;
1972 if (NULL == peasycap) {
1973 SAY("ERROR: peasycap is NULL.\n");
1974 return -1;
1975 }
1976 p = peasycap->pusb_device;
1977 /*---------------------------------------------------------------------------*/
1978 switch (cmd) {
1979 case SNDCTL_DSP_GETCAPS: {
1980 int caps;
1981 JOT(8, "SNDCTL_DSP_GETCAPS\n");
1982
1983 #if defined(UPSAMPLE)
1984 if (true == peasycap->microphone)
1985 caps = 0x04400000;
1986 else
1987 caps = 0x04400000;
1988 #else
1989 if (true == peasycap->microphone)
1990 caps = 0x02400000;
1991 else
1992 caps = 0x04400000;
1993 #endif /*UPSAMPLE*/
1994
1995 if (0 != copy_to_user((void __user *)arg, &caps, sizeof(int)))
1996 return -EFAULT;
1997 break;
1998 }
1999 case SNDCTL_DSP_GETFMTS: {
2000 int incoming;
2001 JOT(8, "SNDCTL_DSP_GETFMTS\n");
2002
2003 #if defined(UPSAMPLE)
2004 if (true == peasycap->microphone)
2005 incoming = AFMT_S16_LE;
2006 else
2007 incoming = AFMT_S16_LE;
2008 #else
2009 if (true == peasycap->microphone)
2010 incoming = AFMT_S16_LE;
2011 else
2012 incoming = AFMT_S16_LE;
2013 #endif /*UPSAMPLE*/
2014
2015 if (0 != copy_to_user((void __user *)arg, &incoming, sizeof(int)))
2016 return -EFAULT;
2017 break;
2018 }
2019 case SNDCTL_DSP_SETFMT: {
2020 int incoming, outgoing;
2021 JOT(8, "SNDCTL_DSP_SETFMT\n");
2022 if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int)))
2023 return -EFAULT;
2024 JOT(8, "........... %i=incoming\n", incoming);
2025
2026 #if defined(UPSAMPLE)
2027 if (true == peasycap->microphone)
2028 outgoing = AFMT_S16_LE;
2029 else
2030 outgoing = AFMT_S16_LE;
2031 #else
2032 if (true == peasycap->microphone)
2033 outgoing = AFMT_S16_LE;
2034 else
2035 outgoing = AFMT_S16_LE;
2036 #endif /*UPSAMPLE*/
2037
2038 if (incoming != outgoing) {
2039 JOT(8, "........... %i=outgoing\n", outgoing);
2040 JOT(8, " cf. %i=AFMT_S16_LE\n", AFMT_S16_LE);
2041 JOT(8, " cf. %i=AFMT_U8\n", AFMT_U8);
2042 if (0 != copy_to_user((void __user *)arg, &outgoing, \
2043 sizeof(int)))
2044 return -EFAULT;
2045 return -EINVAL ;
2046 }
2047 break;
2048 }
2049 case SNDCTL_DSP_STEREO: {
2050 int incoming;
2051 JOT(8, "SNDCTL_DSP_STEREO\n");
2052 if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int)))
2053 return -EFAULT;
2054 JOT(8, "........... %i=incoming\n", incoming);
2055
2056 #if defined(UPSAMPLE)
2057 if (true == peasycap->microphone)
2058 incoming = 1;
2059 else
2060 incoming = 1;
2061 #else
2062 if (true == peasycap->microphone)
2063 incoming = 0;
2064 else
2065 incoming = 1;
2066 #endif /*UPSAMPLE*/
2067
2068 if (0 != copy_to_user((void __user *)arg, &incoming, sizeof(int)))
2069 return -EFAULT;
2070 break;
2071 }
2072 case SNDCTL_DSP_SPEED: {
2073 int incoming;
2074 JOT(8, "SNDCTL_DSP_SPEED\n");
2075 if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int)))
2076 return -EFAULT;
2077 JOT(8, "........... %i=incoming\n", incoming);
2078
2079 #if defined(UPSAMPLE)
2080 if (true == peasycap->microphone)
2081 incoming = 32000;
2082 else
2083 incoming = 48000;
2084 #else
2085 if (true == peasycap->microphone)
2086 incoming = 8000;
2087 else
2088 incoming = 48000;
2089 #endif /*UPSAMPLE*/
2090
2091 if (0 != copy_to_user((void __user *)arg, &incoming, sizeof(int)))
2092 return -EFAULT;
2093 break;
2094 }
2095 case SNDCTL_DSP_GETTRIGGER: {
2096 int incoming;
2097 JOT(8, "SNDCTL_DSP_GETTRIGGER\n");
2098 if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int)))
2099 return -EFAULT;
2100 JOT(8, "........... %i=incoming\n", incoming);
2101
2102 incoming = PCM_ENABLE_INPUT;
2103 if (0 != copy_to_user((void __user *)arg, &incoming, sizeof(int)))
2104 return -EFAULT;
2105 break;
2106 }
2107 case SNDCTL_DSP_SETTRIGGER: {
2108 int incoming;
2109 JOT(8, "SNDCTL_DSP_SETTRIGGER\n");
2110 if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int)))
2111 return -EFAULT;
2112 JOT(8, "........... %i=incoming\n", incoming);
2113 JOT(8, "........... cf 0x%x=PCM_ENABLE_INPUT " \
2114 "0x%x=PCM_ENABLE_OUTPUT\n", \
2115 PCM_ENABLE_INPUT, PCM_ENABLE_OUTPUT);
2116 ;
2117 ;
2118 ;
2119 ;
2120 break;
2121 }
2122 case SNDCTL_DSP_GETBLKSIZE: {
2123 int incoming;
2124 JOT(8, "SNDCTL_DSP_GETBLKSIZE\n");
2125 if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int)))
2126 return -EFAULT;
2127 JOT(8, "........... %i=incoming\n", incoming);
2128 incoming = peasycap->audio_bytes_per_fragment;
2129 if (0 != copy_to_user((void __user *)arg, &incoming, sizeof(int)))
2130 return -EFAULT;
2131 break;
2132 }
2133 case SNDCTL_DSP_GETISPACE: {
2134 struct audio_buf_info audio_buf_info;
2135
2136 JOT(8, "SNDCTL_DSP_GETISPACE\n");
2137
2138 audio_buf_info.bytes = peasycap->audio_bytes_per_fragment;
2139 audio_buf_info.fragments = 1;
2140 audio_buf_info.fragsize = 0;
2141 audio_buf_info.fragstotal = 0;
2142
2143 if (0 != copy_to_user((void __user *)arg, &audio_buf_info, \
2144 sizeof(int)))
2145 return -EFAULT;
2146 break;
2147 }
2148 default: {
2149 JOT(8, "ERROR: unrecognized DSP IOCTL command: 0x%08X\n", cmd);
2150 POUT;
2151 return -ENOIOCTLCMD;
2152 }
2153 }
2154 return 0;
2155 }
2156
2157 long easysnd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
2158 {
2159 struct inode *inode = file->f_dentry->d_inode;
2160 long ret;
2161
2162 lock_kernel();
2163 ret = easysnd_ioctl_bkl(inode, file, cmd, arg);
2164 unlock_kernel();
2165
2166 return ret;
2167 }
2168
2169 /*****************************************************************************/
2170 int explain_ioctl(__u32 wot)
2171 {
2172 int k;
2173 /*---------------------------------------------------------------------------*/
2174 /*
2175 * THE DATA FOR THE ARRAY mess BELOW WERE CONSTRUCTED BY RUNNING THE FOLLOWING
2176 * SHELL SCRIPT:
2177 * #
2178 * cat /usr/src/linux-headers-`uname -r`/include/linux/videodev2.h | \
2179 * grep "^#define VIDIOC_" - | grep -v "_OLD" - | \
2180 * sed -e "s,_IO.*$,,;p" | sed -e "N;s,\n,, " | \
2181 * sed -e "s/^#define / {/;s/#define /, \"/;s/$/\"},/" | \
2182 * sed -e "s, ,,g;s, ,,g" >ioctl.tmp
2183 * echo "{0xFFFFFFFF,\"\"}" >>ioctl.tmp
2184 * exit 0
2185 * #
2186 * AND REINSTATING THE EXCISED "_OLD" CASES WERE LATER MANUALLY.
2187 *
2188 * THE DATA FOR THE ARRAY mess1 BELOW WERE CONSTRUCTED BY RUNNING THE FOLLOWING
2189 * SHELL SCRIPT:
2190 * cat /usr/src/linux-headers-`uname -r`/include/linux/videodev.h | \
2191 * grep "^#define VIDIOC" - | grep -v "_OLD" - | \
2192 * sed -e "s,_IO.*$,,;p" | sed -e "N;s,\n,, " | \
2193 * sed -e "s/^#define / {/;s/#define /, \"/;s/$/\"},/" | \
2194 * sed -e "s, ,,g;s, ,,g" >ioctl.tmp
2195 * echo "{0xFFFFFFFF,\"\"}" >>ioctl.tmp
2196 * exit 0
2197 * #
2198 */
2199 /*---------------------------------------------------------------------------*/
2200 static struct mess {
2201 __u32 command;
2202 char name[64];
2203 } mess[] = {
2204 #if defined(VIDIOC_QUERYCAP)
2205 {VIDIOC_QUERYCAP, "VIDIOC_QUERYCAP"},
2206 #endif
2207 #if defined(VIDIOC_RESERVED)
2208 {VIDIOC_RESERVED, "VIDIOC_RESERVED"},
2209 #endif
2210 #if defined(VIDIOC_ENUM_FMT)
2211 {VIDIOC_ENUM_FMT, "VIDIOC_ENUM_FMT"},
2212 #endif
2213 #if defined(VIDIOC_G_FMT)
2214 {VIDIOC_G_FMT, "VIDIOC_G_FMT"},
2215 #endif
2216 #if defined(VIDIOC_S_FMT)
2217 {VIDIOC_S_FMT, "VIDIOC_S_FMT"},
2218 #endif
2219 #if defined(VIDIOC_REQBUFS)
2220 {VIDIOC_REQBUFS, "VIDIOC_REQBUFS"},
2221 #endif
2222 #if defined(VIDIOC_QUERYBUF)
2223 {VIDIOC_QUERYBUF, "VIDIOC_QUERYBUF"},
2224 #endif
2225 #if defined(VIDIOC_G_FBUF)
2226 {VIDIOC_G_FBUF, "VIDIOC_G_FBUF"},
2227 #endif
2228 #if defined(VIDIOC_S_FBUF)
2229 {VIDIOC_S_FBUF, "VIDIOC_S_FBUF"},
2230 #endif
2231 #if defined(VIDIOC_OVERLAY)
2232 {VIDIOC_OVERLAY, "VIDIOC_OVERLAY"},
2233 #endif
2234 #if defined(VIDIOC_QBUF)
2235 {VIDIOC_QBUF, "VIDIOC_QBUF"},
2236 #endif
2237 #if defined(VIDIOC_DQBUF)
2238 {VIDIOC_DQBUF, "VIDIOC_DQBUF"},
2239 #endif
2240 #if defined(VIDIOC_STREAMON)
2241 {VIDIOC_STREAMON, "VIDIOC_STREAMON"},
2242 #endif
2243 #if defined(VIDIOC_STREAMOFF)
2244 {VIDIOC_STREAMOFF, "VIDIOC_STREAMOFF"},
2245 #endif
2246 #if defined(VIDIOC_G_PARM)
2247 {VIDIOC_G_PARM, "VIDIOC_G_PARM"},
2248 #endif
2249 #if defined(VIDIOC_S_PARM)
2250 {VIDIOC_S_PARM, "VIDIOC_S_PARM"},
2251 #endif
2252 #if defined(VIDIOC_G_STD)
2253 {VIDIOC_G_STD, "VIDIOC_G_STD"},
2254 #endif
2255 #if defined(VIDIOC_S_STD)
2256 {VIDIOC_S_STD, "VIDIOC_S_STD"},
2257 #endif
2258 #if defined(VIDIOC_ENUMSTD)
2259 {VIDIOC_ENUMSTD, "VIDIOC_ENUMSTD"},
2260 #endif
2261 #if defined(VIDIOC_ENUMINPUT)
2262 {VIDIOC_ENUMINPUT, "VIDIOC_ENUMINPUT"},
2263 #endif
2264 #if defined(VIDIOC_G_CTRL)
2265 {VIDIOC_G_CTRL, "VIDIOC_G_CTRL"},
2266 #endif
2267 #if defined(VIDIOC_S_CTRL)
2268 {VIDIOC_S_CTRL, "VIDIOC_S_CTRL"},
2269 #endif
2270 #if defined(VIDIOC_G_TUNER)
2271 {VIDIOC_G_TUNER, "VIDIOC_G_TUNER"},
2272 #endif
2273 #if defined(VIDIOC_S_TUNER)
2274 {VIDIOC_S_TUNER, "VIDIOC_S_TUNER"},
2275 #endif
2276 #if defined(VIDIOC_G_AUDIO)
2277 {VIDIOC_G_AUDIO, "VIDIOC_G_AUDIO"},
2278 #endif
2279 #if defined(VIDIOC_S_AUDIO)
2280 {VIDIOC_S_AUDIO, "VIDIOC_S_AUDIO"},
2281 #endif
2282 #if defined(VIDIOC_QUERYCTRL)
2283 {VIDIOC_QUERYCTRL, "VIDIOC_QUERYCTRL"},
2284 #endif
2285 #if defined(VIDIOC_QUERYMENU)
2286 {VIDIOC_QUERYMENU, "VIDIOC_QUERYMENU"},
2287 #endif
2288 #if defined(VIDIOC_G_INPUT)
2289 {VIDIOC_G_INPUT, "VIDIOC_G_INPUT"},
2290 #endif
2291 #if defined(VIDIOC_S_INPUT)
2292 {VIDIOC_S_INPUT, "VIDIOC_S_INPUT"},
2293 #endif
2294 #if defined(VIDIOC_G_OUTPUT)
2295 {VIDIOC_G_OUTPUT, "VIDIOC_G_OUTPUT"},
2296 #endif
2297 #if defined(VIDIOC_S_OUTPUT)
2298 {VIDIOC_S_OUTPUT, "VIDIOC_S_OUTPUT"},
2299 #endif
2300 #if defined(VIDIOC_ENUMOUTPUT)
2301 {VIDIOC_ENUMOUTPUT, "VIDIOC_ENUMOUTPUT"},
2302 #endif
2303 #if defined(VIDIOC_G_AUDOUT)
2304 {VIDIOC_G_AUDOUT, "VIDIOC_G_AUDOUT"},
2305 #endif
2306 #if defined(VIDIOC_S_AUDOUT)
2307 {VIDIOC_S_AUDOUT, "VIDIOC_S_AUDOUT"},
2308 #endif
2309 #if defined(VIDIOC_G_MODULATOR)
2310 {VIDIOC_G_MODULATOR, "VIDIOC_G_MODULATOR"},
2311 #endif
2312 #if defined(VIDIOC_S_MODULATOR)
2313 {VIDIOC_S_MODULATOR, "VIDIOC_S_MODULATOR"},
2314 #endif
2315 #if defined(VIDIOC_G_FREQUENCY)
2316 {VIDIOC_G_FREQUENCY, "VIDIOC_G_FREQUENCY"},
2317 #endif
2318 #if defined(VIDIOC_S_FREQUENCY)
2319 {VIDIOC_S_FREQUENCY, "VIDIOC_S_FREQUENCY"},
2320 #endif
2321 #if defined(VIDIOC_CROPCAP)
2322 {VIDIOC_CROPCAP, "VIDIOC_CROPCAP"},
2323 #endif
2324 #if defined(VIDIOC_G_CROP)
2325 {VIDIOC_G_CROP, "VIDIOC_G_CROP"},
2326 #endif
2327 #if defined(VIDIOC_S_CROP)
2328 {VIDIOC_S_CROP, "VIDIOC_S_CROP"},
2329 #endif
2330 #if defined(VIDIOC_G_JPEGCOMP)
2331 {VIDIOC_G_JPEGCOMP, "VIDIOC_G_JPEGCOMP"},
2332 #endif
2333 #if defined(VIDIOC_S_JPEGCOMP)
2334 {VIDIOC_S_JPEGCOMP, "VIDIOC_S_JPEGCOMP"},
2335 #endif
2336 #if defined(VIDIOC_QUERYSTD)
2337 {VIDIOC_QUERYSTD, "VIDIOC_QUERYSTD"},
2338 #endif
2339 #if defined(VIDIOC_TRY_FMT)
2340 {VIDIOC_TRY_FMT, "VIDIOC_TRY_FMT"},
2341 #endif
2342 #if defined(VIDIOC_ENUMAUDIO)
2343 {VIDIOC_ENUMAUDIO, "VIDIOC_ENUMAUDIO"},
2344 #endif
2345 #if defined(VIDIOC_ENUMAUDOUT)
2346 {VIDIOC_ENUMAUDOUT, "VIDIOC_ENUMAUDOUT"},
2347 #endif
2348 #if defined(VIDIOC_G_PRIORITY)
2349 {VIDIOC_G_PRIORITY, "VIDIOC_G_PRIORITY"},
2350 #endif
2351 #if defined(VIDIOC_S_PRIORITY)
2352 {VIDIOC_S_PRIORITY, "VIDIOC_S_PRIORITY"},
2353 #endif
2354 #if defined(VIDIOC_G_SLICED_VBI_CAP)
2355 {VIDIOC_G_SLICED_VBI_CAP, "VIDIOC_G_SLICED_VBI_CAP"},
2356 #endif
2357 #if defined(VIDIOC_LOG_STATUS)
2358 {VIDIOC_LOG_STATUS, "VIDIOC_LOG_STATUS"},
2359 #endif
2360 #if defined(VIDIOC_G_EXT_CTRLS)
2361 {VIDIOC_G_EXT_CTRLS, "VIDIOC_G_EXT_CTRLS"},
2362 #endif
2363 #if defined(VIDIOC_S_EXT_CTRLS)
2364 {VIDIOC_S_EXT_CTRLS, "VIDIOC_S_EXT_CTRLS"},
2365 #endif
2366 #if defined(VIDIOC_TRY_EXT_CTRLS)
2367 {VIDIOC_TRY_EXT_CTRLS, "VIDIOC_TRY_EXT_CTRLS"},
2368 #endif
2369 #if defined(VIDIOC_ENUM_FRAMESIZES)
2370 {VIDIOC_ENUM_FRAMESIZES, "VIDIOC_ENUM_FRAMESIZES"},
2371 #endif
2372 #if defined(VIDIOC_ENUM_FRAMEINTERVALS)
2373 {VIDIOC_ENUM_FRAMEINTERVALS, "VIDIOC_ENUM_FRAMEINTERVALS"},
2374 #endif
2375 #if defined(VIDIOC_G_ENC_INDEX)
2376 {VIDIOC_G_ENC_INDEX, "VIDIOC_G_ENC_INDEX"},
2377 #endif
2378 #if defined(VIDIOC_ENCODER_CMD)
2379 {VIDIOC_ENCODER_CMD, "VIDIOC_ENCODER_CMD"},
2380 #endif
2381 #if defined(VIDIOC_TRY_ENCODER_CMD)
2382 {VIDIOC_TRY_ENCODER_CMD, "VIDIOC_TRY_ENCODER_CMD"},
2383 #endif
2384 #if defined(VIDIOC_G_CHIP_IDENT)
2385 {VIDIOC_G_CHIP_IDENT, "VIDIOC_G_CHIP_IDENT"},
2386 #endif
2387
2388 #if defined(VIDIOC_OVERLAY_OLD)
2389 {VIDIOC_OVERLAY_OLD, "VIDIOC_OVERLAY_OLD"},
2390 #endif
2391 #if defined(VIDIOC_S_PARM_OLD)
2392 {VIDIOC_S_PARM_OLD, "VIDIOC_S_PARM_OLD"},
2393 #endif
2394 #if defined(VIDIOC_S_CTRL_OLD)
2395 {VIDIOC_S_CTRL_OLD, "VIDIOC_S_CTRL_OLD"},
2396 #endif
2397 #if defined(VIDIOC_G_AUDIO_OLD)
2398 {VIDIOC_G_AUDIO_OLD, "VIDIOC_G_AUDIO_OLD"},
2399 #endif
2400 #if defined(VIDIOC_G_AUDOUT_OLD)
2401 {VIDIOC_G_AUDOUT_OLD, "VIDIOC_G_AUDOUT_OLD"},
2402 #endif
2403 #if defined(VIDIOC_CROPCAP_OLD)
2404 {VIDIOC_CROPCAP_OLD, "VIDIOC_CROPCAP_OLD"},
2405 #endif
2406 {0xFFFFFFFF, ""}
2407 };
2408
2409 static struct mess mess1[] = \
2410 {
2411 #if defined(VIDIOCGCAP)
2412 {VIDIOCGCAP, "VIDIOCGCAP"},
2413 #endif
2414 #if defined(VIDIOCGCHAN)
2415 {VIDIOCGCHAN, "VIDIOCGCHAN"},
2416 #endif
2417 #if defined(VIDIOCSCHAN)
2418 {VIDIOCSCHAN, "VIDIOCSCHAN"},
2419 #endif
2420 #if defined(VIDIOCGTUNER)
2421 {VIDIOCGTUNER, "VIDIOCGTUNER"},
2422 #endif
2423 #if defined(VIDIOCSTUNER)
2424 {VIDIOCSTUNER, "VIDIOCSTUNER"},
2425 #endif
2426 #if defined(VIDIOCGPICT)
2427 {VIDIOCGPICT, "VIDIOCGPICT"},
2428 #endif
2429 #if defined(VIDIOCSPICT)
2430 {VIDIOCSPICT, "VIDIOCSPICT"},
2431 #endif
2432 #if defined(VIDIOCCAPTURE)
2433 {VIDIOCCAPTURE, "VIDIOCCAPTURE"},
2434 #endif
2435 #if defined(VIDIOCGWIN)
2436 {VIDIOCGWIN, "VIDIOCGWIN"},
2437 #endif
2438 #if defined(VIDIOCSWIN)
2439 {VIDIOCSWIN, "VIDIOCSWIN"},
2440 #endif
2441 #if defined(VIDIOCGFBUF)
2442 {VIDIOCGFBUF, "VIDIOCGFBUF"},
2443 #endif
2444 #if defined(VIDIOCSFBUF)
2445 {VIDIOCSFBUF, "VIDIOCSFBUF"},
2446 #endif
2447 #if defined(VIDIOCKEY)
2448 {VIDIOCKEY, "VIDIOCKEY"},
2449 #endif
2450 #if defined(VIDIOCGFREQ)
2451 {VIDIOCGFREQ, "VIDIOCGFREQ"},
2452 #endif
2453 #if defined(VIDIOCSFREQ)
2454 {VIDIOCSFREQ, "VIDIOCSFREQ"},
2455 #endif
2456 #if defined(VIDIOCGAUDIO)
2457 {VIDIOCGAUDIO, "VIDIOCGAUDIO"},
2458 #endif
2459 #if defined(VIDIOCSAUDIO)
2460 {VIDIOCSAUDIO, "VIDIOCSAUDIO"},
2461 #endif
2462 #if defined(VIDIOCSYNC)
2463 {VIDIOCSYNC, "VIDIOCSYNC"},
2464 #endif
2465 #if defined(VIDIOCMCAPTURE)
2466 {VIDIOCMCAPTURE, "VIDIOCMCAPTURE"},
2467 #endif
2468 #if defined(VIDIOCGMBUF)
2469 {VIDIOCGMBUF, "VIDIOCGMBUF"},
2470 #endif
2471 #if defined(VIDIOCGUNIT)
2472 {VIDIOCGUNIT, "VIDIOCGUNIT"},
2473 #endif
2474 #if defined(VIDIOCGCAPTURE)
2475 {VIDIOCGCAPTURE, "VIDIOCGCAPTURE"},
2476 #endif
2477 #if defined(VIDIOCSCAPTURE)
2478 {VIDIOCSCAPTURE, "VIDIOCSCAPTURE"},
2479 #endif
2480 #if defined(VIDIOCSPLAYMODE)
2481 {VIDIOCSPLAYMODE, "VIDIOCSPLAYMODE"},
2482 #endif
2483 #if defined(VIDIOCSWRITEMODE)
2484 {VIDIOCSWRITEMODE, "VIDIOCSWRITEMODE"},
2485 #endif
2486 #if defined(VIDIOCGPLAYINFO)
2487 {VIDIOCGPLAYINFO, "VIDIOCGPLAYINFO"},
2488 #endif
2489 #if defined(VIDIOCSMICROCODE)
2490 {VIDIOCSMICROCODE, "VIDIOCSMICROCODE"},
2491 #endif
2492 {0xFFFFFFFF, ""}
2493 };
2494
2495 k = 0;
2496 while (mess[k].name[0]) {
2497 if (wot == mess[k].command) {
2498 JOT(8, "ioctl 0x%08X is %s\n", \
2499 mess[k].command, &mess[k].name[0]);
2500 return 0;
2501 }
2502 k++;
2503 }
2504 JOT(8, "ioctl 0x%08X is not in videodev2.h\n", wot);
2505
2506 k = 0;
2507 while (mess1[k].name[0]) {
2508 if (wot == mess1[k].command) {
2509 JOT(8, "ioctl 0x%08X is %s (V4L1)\n", \
2510 mess1[k].command, &mess1[k].name[0]);
2511 return 0;
2512 }
2513 k++;
2514 }
2515 JOT(8, "ioctl 0x%08X is not in videodev.h\n", wot);
2516 return -1;
2517 }
2518 /*****************************************************************************/
2519 int explain_cid(__u32 wot)
2520 {
2521 int k;
2522 /*---------------------------------------------------------------------------*/
2523 /*
2524 * THE DATA FOR THE ARRAY mess BELOW WERE CONSTRUCTED BY RUNNING THE FOLLOWING
2525 * SHELL SCRIPT:
2526 * #
2527 * cat /usr/src/linux-headers-`uname -r`/include/linux/videodev2.h | \
2528 * grep "^#define V4L2_CID_" | \
2529 * sed -e "s,(.*$,,;p" | sed -e "N;s,\n,, " | \
2530 * sed -e "s/^#define / {/;s/#define /, \"/;s/$/\"},/" | \
2531 * sed -e "s, ,,g;s, ,,g" | grep -v "_BASE" | grep -v "MPEG" >cid.tmp
2532 * echo "{0xFFFFFFFF,\"\"}" >>cid.tmp
2533 * exit 0
2534 * #
2535 */
2536 /*---------------------------------------------------------------------------*/
2537 static struct mess
2538 {
2539 __u32 command;
2540 char name[64];
2541 } mess[] = {
2542 #if defined(V4L2_CID_USER_CLASS)
2543 {V4L2_CID_USER_CLASS, "V4L2_CID_USER_CLASS"},
2544 #endif
2545 #if defined(V4L2_CID_BRIGHTNESS)
2546 {V4L2_CID_BRIGHTNESS, "V4L2_CID_BRIGHTNESS"},
2547 #endif
2548 #if defined(V4L2_CID_CONTRAST)
2549 {V4L2_CID_CONTRAST, "V4L2_CID_CONTRAST"},
2550 #endif
2551 #if defined(V4L2_CID_SATURATION)
2552 {V4L2_CID_SATURATION, "V4L2_CID_SATURATION"},
2553 #endif
2554 #if defined(V4L2_CID_HUE)
2555 {V4L2_CID_HUE, "V4L2_CID_HUE"},
2556 #endif
2557 #if defined(V4L2_CID_AUDIO_VOLUME)
2558 {V4L2_CID_AUDIO_VOLUME, "V4L2_CID_AUDIO_VOLUME"},
2559 #endif
2560 #if defined(V4L2_CID_AUDIO_BALANCE)
2561 {V4L2_CID_AUDIO_BALANCE, "V4L2_CID_AUDIO_BALANCE"},
2562 #endif
2563 #if defined(V4L2_CID_AUDIO_BASS)
2564 {V4L2_CID_AUDIO_BASS, "V4L2_CID_AUDIO_BASS"},
2565 #endif
2566 #if defined(V4L2_CID_AUDIO_TREBLE)
2567 {V4L2_CID_AUDIO_TREBLE, "V4L2_CID_AUDIO_TREBLE"},
2568 #endif
2569 #if defined(V4L2_CID_AUDIO_MUTE)
2570 {V4L2_CID_AUDIO_MUTE, "V4L2_CID_AUDIO_MUTE"},
2571 #endif
2572 #if defined(V4L2_CID_AUDIO_LOUDNESS)
2573 {V4L2_CID_AUDIO_LOUDNESS, "V4L2_CID_AUDIO_LOUDNESS"},
2574 #endif
2575 #if defined(V4L2_CID_BLACK_LEVEL)
2576 {V4L2_CID_BLACK_LEVEL, "V4L2_CID_BLACK_LEVEL"},
2577 #endif
2578 #if defined(V4L2_CID_AUTO_WHITE_BALANCE)
2579 {V4L2_CID_AUTO_WHITE_BALANCE, "V4L2_CID_AUTO_WHITE_BALANCE"},
2580 #endif
2581 #if defined(V4L2_CID_DO_WHITE_BALANCE)
2582 {V4L2_CID_DO_WHITE_BALANCE, "V4L2_CID_DO_WHITE_BALANCE"},
2583 #endif
2584 #if defined(V4L2_CID_RED_BALANCE)
2585 {V4L2_CID_RED_BALANCE, "V4L2_CID_RED_BALANCE"},
2586 #endif
2587 #if defined(V4L2_CID_BLUE_BALANCE)
2588 {V4L2_CID_BLUE_BALANCE, "V4L2_CID_BLUE_BALANCE"},
2589 #endif
2590 #if defined(V4L2_CID_GAMMA)
2591 {V4L2_CID_GAMMA, "V4L2_CID_GAMMA"},
2592 #endif
2593 #if defined(V4L2_CID_WHITENESS)
2594 {V4L2_CID_WHITENESS, "V4L2_CID_WHITENESS"},
2595 #endif
2596 #if defined(V4L2_CID_EXPOSURE)
2597 {V4L2_CID_EXPOSURE, "V4L2_CID_EXPOSURE"},
2598 #endif
2599 #if defined(V4L2_CID_AUTOGAIN)
2600 {V4L2_CID_AUTOGAIN, "V4L2_CID_AUTOGAIN"},
2601 #endif
2602 #if defined(V4L2_CID_GAIN)
2603 {V4L2_CID_GAIN, "V4L2_CID_GAIN"},
2604 #endif
2605 #if defined(V4L2_CID_HFLIP)
2606 {V4L2_CID_HFLIP, "V4L2_CID_HFLIP"},
2607 #endif
2608 #if defined(V4L2_CID_VFLIP)
2609 {V4L2_CID_VFLIP, "V4L2_CID_VFLIP"},
2610 #endif
2611 #if defined(V4L2_CID_HCENTER)
2612 {V4L2_CID_HCENTER, "V4L2_CID_HCENTER"},
2613 #endif
2614 #if defined(V4L2_CID_VCENTER)
2615 {V4L2_CID_VCENTER, "V4L2_CID_VCENTER"},
2616 #endif
2617 #if defined(V4L2_CID_POWER_LINE_FREQUENCY)
2618 {V4L2_CID_POWER_LINE_FREQUENCY, "V4L2_CID_POWER_LINE_FREQUENCY"},
2619 #endif
2620 #if defined(V4L2_CID_HUE_AUTO)
2621 {V4L2_CID_HUE_AUTO, "V4L2_CID_HUE_AUTO"},
2622 #endif
2623 #if defined(V4L2_CID_WHITE_BALANCE_TEMPERATURE)
2624 {V4L2_CID_WHITE_BALANCE_TEMPERATURE, "V4L2_CID_WHITE_BALANCE_TEMPERATURE"},
2625 #endif
2626 #if defined(V4L2_CID_SHARPNESS)
2627 {V4L2_CID_SHARPNESS, "V4L2_CID_SHARPNESS"},
2628 #endif
2629 #if defined(V4L2_CID_BACKLIGHT_COMPENSATION)
2630 {V4L2_CID_BACKLIGHT_COMPENSATION, "V4L2_CID_BACKLIGHT_COMPENSATION"},
2631 #endif
2632 #if defined(V4L2_CID_CHROMA_AGC)
2633 {V4L2_CID_CHROMA_AGC, "V4L2_CID_CHROMA_AGC"},
2634 #endif
2635 #if defined(V4L2_CID_COLOR_KILLER)
2636 {V4L2_CID_COLOR_KILLER, "V4L2_CID_COLOR_KILLER"},
2637 #endif
2638 #if defined(V4L2_CID_LASTP1)
2639 {V4L2_CID_LASTP1, "V4L2_CID_LASTP1"},
2640 #endif
2641 #if defined(V4L2_CID_CAMERA_CLASS)
2642 {V4L2_CID_CAMERA_CLASS, "V4L2_CID_CAMERA_CLASS"},
2643 #endif
2644 #if defined(V4L2_CID_EXPOSURE_AUTO)
2645 {V4L2_CID_EXPOSURE_AUTO, "V4L2_CID_EXPOSURE_AUTO"},
2646 #endif
2647 #if defined(V4L2_CID_EXPOSURE_ABSOLUTE)
2648 {V4L2_CID_EXPOSURE_ABSOLUTE, "V4L2_CID_EXPOSURE_ABSOLUTE"},
2649 #endif
2650 #if defined(V4L2_CID_EXPOSURE_AUTO_PRIORITY)
2651 {V4L2_CID_EXPOSURE_AUTO_PRIORITY, "V4L2_CID_EXPOSURE_AUTO_PRIORITY"},
2652 #endif
2653 #if defined(V4L2_CID_PAN_RELATIVE)
2654 {V4L2_CID_PAN_RELATIVE, "V4L2_CID_PAN_RELATIVE"},
2655 #endif
2656 #if defined(V4L2_CID_TILT_RELATIVE)
2657 {V4L2_CID_TILT_RELATIVE, "V4L2_CID_TILT_RELATIVE"},
2658 #endif
2659 #if defined(V4L2_CID_PAN_RESET)
2660 {V4L2_CID_PAN_RESET, "V4L2_CID_PAN_RESET"},
2661 #endif
2662 #if defined(V4L2_CID_TILT_RESET)
2663 {V4L2_CID_TILT_RESET, "V4L2_CID_TILT_RESET"},
2664 #endif
2665 #if defined(V4L2_CID_PAN_ABSOLUTE)
2666 {V4L2_CID_PAN_ABSOLUTE, "V4L2_CID_PAN_ABSOLUTE"},
2667 #endif
2668 #if defined(V4L2_CID_TILT_ABSOLUTE)
2669 {V4L2_CID_TILT_ABSOLUTE, "V4L2_CID_TILT_ABSOLUTE"},
2670 #endif
2671 #if defined(V4L2_CID_FOCUS_ABSOLUTE)
2672 {V4L2_CID_FOCUS_ABSOLUTE, "V4L2_CID_FOCUS_ABSOLUTE"},
2673 #endif
2674 #if defined(V4L2_CID_FOCUS_RELATIVE)
2675 {V4L2_CID_FOCUS_RELATIVE, "V4L2_CID_FOCUS_RELATIVE"},
2676 #endif
2677 #if defined(V4L2_CID_FOCUS_AUTO)
2678 {V4L2_CID_FOCUS_AUTO, "V4L2_CID_FOCUS_AUTO"},
2679 #endif
2680 {0xFFFFFFFF, ""}
2681 };
2682
2683 k = 0;
2684 while (mess[k].name[0]) {
2685 if (wot == mess[k].command) {
2686 JOT(8, "ioctl 0x%08X is %s\n", \
2687 mess[k].command, &mess[k].name[0]);
2688 return 0;
2689 }
2690 k++;
2691 }
2692 JOT(8, "cid 0x%08X is not in videodev2.h\n", wot);
2693 return -1;
2694 }
2695 /*****************************************************************************/
Linux kernel - Deliverables
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