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add dependency of CONFIG_SGI_XP upon CONFIG_NET
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / media / video / v4l1-compat.c
blob79937d1031fc81283baf06abc62c5bc45a4c8409
1 /*
2 *
3 * Video for Linux Two
4 * Backward Compatibility Layer
5 *
6 * Support subroutines for providing V4L2 drivers with backward
7 * compatibility with applications using the old API.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
13 *
14 * Author: Bill Dirks <bill@thedirks.org>
15 * et al.
16 *
17 */
18
19
20 #include <linux/init.h>
21 #include <linux/module.h>
22 #include <linux/types.h>
23 #include <linux/kernel.h>
24 #include <linux/sched.h>
25 #include <linux/mm.h>
26 #include <linux/fs.h>
27 #include <linux/file.h>
28 #include <linux/string.h>
29 #include <linux/errno.h>
30 #include <linux/slab.h>
31 #include <linux/videodev.h>
32 #include <media/v4l2-common.h>
33 #include <media/v4l2-ioctl.h>
34
35 #include <asm/uaccess.h>
36 #include <asm/system.h>
37 #include <asm/pgtable.h>
38
39 #ifdef CONFIG_KMOD
40 #include <linux/kmod.h>
41 #endif
42
43 static unsigned int debug;
44 module_param(debug, int, 0644);
45 MODULE_PARM_DESC(debug, "enable debug messages");
46 MODULE_AUTHOR("Bill Dirks");
47 MODULE_DESCRIPTION("v4l(1) compatibility layer for v4l2 drivers.");
48 MODULE_LICENSE("GPL");
49
50 #define dprintk(fmt, arg...) \
51 do { \
52 if (debug) \
53 printk(KERN_DEBUG "v4l1-compat: " fmt , ## arg);\
54 } while (0)
55
56 /*
57 * I O C T L T R A N S L A T I O N
58 *
59 * From here on down is the code for translating the numerous
60 * ioctl commands from the old API to the new API.
61 */
62
63 static int
64 get_v4l_control(struct inode *inode,
65 struct file *file,
66 int cid,
67 v4l2_kioctl drv)
68 {
69 struct v4l2_queryctrl qctrl2;
70 struct v4l2_control ctrl2;
71 int err;
72
73 qctrl2.id = cid;
74 err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2);
75 if (err < 0)
76 dprintk("VIDIOC_QUERYCTRL: %d\n", err);
77 if (err == 0 && !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) {
78 ctrl2.id = qctrl2.id;
79 err = drv(inode, file, VIDIOC_G_CTRL, &ctrl2);
80 if (err < 0) {
81 dprintk("VIDIOC_G_CTRL: %d\n", err);
82 return 0;
83 }
84 return ((ctrl2.value - qctrl2.minimum) * 65535
85 + (qctrl2.maximum - qctrl2.minimum) / 2)
86 / (qctrl2.maximum - qctrl2.minimum);
87 }
88 return 0;
89 }
90
91 static int
92 set_v4l_control(struct inode *inode,
93 struct file *file,
94 int cid,
95 int value,
96 v4l2_kioctl drv)
97 {
98 struct v4l2_queryctrl qctrl2;
99 struct v4l2_control ctrl2;
100 int err;
101
102 qctrl2.id = cid;
103 err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2);
104 if (err < 0)
105 dprintk("VIDIOC_QUERYCTRL: %d\n", err);
106 if (err == 0 &&
107 !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED) &&
108 !(qctrl2.flags & V4L2_CTRL_FLAG_GRABBED)) {
109 if (value < 0)
110 value = 0;
111 if (value > 65535)
112 value = 65535;
113 if (value && qctrl2.type == V4L2_CTRL_TYPE_BOOLEAN)
114 value = 65535;
115 ctrl2.id = qctrl2.id;
116 ctrl2.value =
117 (value * (qctrl2.maximum - qctrl2.minimum)
118 + 32767)
119 / 65535;
120 ctrl2.value += qctrl2.minimum;
121 err = drv(inode, file, VIDIOC_S_CTRL, &ctrl2);
122 if (err < 0)
123 dprintk("VIDIOC_S_CTRL: %d\n", err);
124 }
125 return 0;
126 }
127
128 /* ----------------------------------------------------------------- */
129
130 static const unsigned int palette2pixelformat[] = {
131 [VIDEO_PALETTE_GREY] = V4L2_PIX_FMT_GREY,
132 [VIDEO_PALETTE_RGB555] = V4L2_PIX_FMT_RGB555,
133 [VIDEO_PALETTE_RGB565] = V4L2_PIX_FMT_RGB565,
134 [VIDEO_PALETTE_RGB24] = V4L2_PIX_FMT_BGR24,
135 [VIDEO_PALETTE_RGB32] = V4L2_PIX_FMT_BGR32,
136 /* yuv packed pixel */
137 [VIDEO_PALETTE_YUYV] = V4L2_PIX_FMT_YUYV,
138 [VIDEO_PALETTE_YUV422] = V4L2_PIX_FMT_YUYV,
139 [VIDEO_PALETTE_UYVY] = V4L2_PIX_FMT_UYVY,
140 /* yuv planar */
141 [VIDEO_PALETTE_YUV410P] = V4L2_PIX_FMT_YUV410,
142 [VIDEO_PALETTE_YUV420] = V4L2_PIX_FMT_YUV420,
143 [VIDEO_PALETTE_YUV420P] = V4L2_PIX_FMT_YUV420,
144 [VIDEO_PALETTE_YUV411P] = V4L2_PIX_FMT_YUV411P,
145 [VIDEO_PALETTE_YUV422P] = V4L2_PIX_FMT_YUV422P,
146 };
147
148 static unsigned int __pure
149 palette_to_pixelformat(unsigned int palette)
150 {
151 if (palette < ARRAY_SIZE(palette2pixelformat))
152 return palette2pixelformat[palette];
153 else
154 return 0;
155 }
156
157 static unsigned int __attribute_const__
158 pixelformat_to_palette(unsigned int pixelformat)
159 {
160 int palette = 0;
161 switch (pixelformat) {
162 case V4L2_PIX_FMT_GREY:
163 palette = VIDEO_PALETTE_GREY;
164 break;
165 case V4L2_PIX_FMT_RGB555:
166 palette = VIDEO_PALETTE_RGB555;
167 break;
168 case V4L2_PIX_FMT_RGB565:
169 palette = VIDEO_PALETTE_RGB565;
170 break;
171 case V4L2_PIX_FMT_BGR24:
172 palette = VIDEO_PALETTE_RGB24;
173 break;
174 case V4L2_PIX_FMT_BGR32:
175 palette = VIDEO_PALETTE_RGB32;
176 break;
177 /* yuv packed pixel */
178 case V4L2_PIX_FMT_YUYV:
179 palette = VIDEO_PALETTE_YUYV;
180 break;
181 case V4L2_PIX_FMT_UYVY:
182 palette = VIDEO_PALETTE_UYVY;
183 break;
184 /* yuv planar */
185 case V4L2_PIX_FMT_YUV410:
186 palette = VIDEO_PALETTE_YUV420;
187 break;
188 case V4L2_PIX_FMT_YUV420:
189 palette = VIDEO_PALETTE_YUV420;
190 break;
191 case V4L2_PIX_FMT_YUV411P:
192 palette = VIDEO_PALETTE_YUV411P;
193 break;
194 case V4L2_PIX_FMT_YUV422P:
195 palette = VIDEO_PALETTE_YUV422P;
196 break;
197 }
198 return palette;
199 }
200
201 /* ----------------------------------------------------------------- */
202
203 static int poll_one(struct file *file, struct poll_wqueues *pwq)
204 {
205 int retval = 1;
206 poll_table *table;
207
208 poll_initwait(pwq);
209 table = &pwq->pt;
210 for (;;) {
211 int mask;
212 set_current_state(TASK_INTERRUPTIBLE);
213 mask = file->f_op->poll(file, table);
214 if (mask & POLLIN)
215 break;
216 table = NULL;
217 if (signal_pending(current)) {
218 retval = -ERESTARTSYS;
219 break;
220 }
221 schedule();
222 }
223 set_current_state(TASK_RUNNING);
224 poll_freewait(pwq);
225 return retval;
226 }
227
228 static int count_inputs(
229 struct inode *inode,
230 struct file *file,
231 v4l2_kioctl drv)
232 {
233 struct v4l2_input input2;
234 int i;
235
236 for (i = 0;; i++) {
237 memset(&input2, 0, sizeof(input2));
238 input2.index = i;
239 if (0 != drv(inode, file, VIDIOC_ENUMINPUT, &input2))
240 break;
241 }
242 return i;
243 }
244
245 static int check_size(
246 struct inode *inode,
247 struct file *file,
248 v4l2_kioctl drv,
249 int *maxw,
250 int *maxh)
251 {
252 struct v4l2_fmtdesc desc2;
253 struct v4l2_format fmt2;
254
255 memset(&desc2, 0, sizeof(desc2));
256 memset(&fmt2, 0, sizeof(fmt2));
257
258 desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
259 if (0 != drv(inode, file, VIDIOC_ENUM_FMT, &desc2))
260 goto done;
261
262 fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
263 fmt2.fmt.pix.width = 10000;
264 fmt2.fmt.pix.height = 10000;
265 fmt2.fmt.pix.pixelformat = desc2.pixelformat;
266 if (0 != drv(inode, file, VIDIOC_TRY_FMT, &fmt2))
267 goto done;
268
269 *maxw = fmt2.fmt.pix.width;
270 *maxh = fmt2.fmt.pix.height;
271
272 done:
273 return 0;
274 }
275
276 /* ----------------------------------------------------------------- */
277
278 static noinline int v4l1_compat_get_capabilities(
279 struct video_capability *cap,
280 struct inode *inode,
281 struct file *file,
282 v4l2_kioctl drv)
283 {
284 int err;
285 struct v4l2_framebuffer fbuf;
286 struct v4l2_capability *cap2;
287
288 cap2 = kzalloc(sizeof(*cap2), GFP_KERNEL);
289 if (!cap2) {
290 err = -ENOMEM;
291 return err;
292 }
293 memset(cap, 0, sizeof(*cap));
294 memset(&fbuf, 0, sizeof(fbuf));
295
296 err = drv(inode, file, VIDIOC_QUERYCAP, cap2);
297 if (err < 0) {
298 dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %d\n", err);
299 goto done;
300 }
301 if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) {
302 err = drv(inode, file, VIDIOC_G_FBUF, &fbuf);
303 if (err < 0) {
304 dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %d\n", err);
305 memset(&fbuf, 0, sizeof(fbuf));
306 }
307 err = 0;
308 }
309
310 memcpy(cap->name, cap2->card,
311 min(sizeof(cap->name), sizeof(cap2->card)));
312 cap->name[sizeof(cap->name) - 1] = 0;
313 if (cap2->capabilities & V4L2_CAP_VIDEO_CAPTURE)
314 cap->type |= VID_TYPE_CAPTURE;
315 if (cap2->capabilities & V4L2_CAP_TUNER)
316 cap->type |= VID_TYPE_TUNER;
317 if (cap2->capabilities & V4L2_CAP_VBI_CAPTURE)
318 cap->type |= VID_TYPE_TELETEXT;
319 if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY)
320 cap->type |= VID_TYPE_OVERLAY;
321 if (fbuf.capability & V4L2_FBUF_CAP_LIST_CLIPPING)
322 cap->type |= VID_TYPE_CLIPPING;
323
324 cap->channels = count_inputs(inode, file, drv);
325 check_size(inode, file, drv,
326 &cap->maxwidth, &cap->maxheight);
327 cap->audios = 0; /* FIXME */
328 cap->minwidth = 48; /* FIXME */
329 cap->minheight = 32; /* FIXME */
330
331 done:
332 kfree(cap2);
333 return err;
334 }
335
336 static noinline int v4l1_compat_get_frame_buffer(
337 struct video_buffer *buffer,
338 struct inode *inode,
339 struct file *file,
340 v4l2_kioctl drv)
341 {
342 int err;
343 struct v4l2_framebuffer fbuf;
344
345 memset(buffer, 0, sizeof(*buffer));
346 memset(&fbuf, 0, sizeof(fbuf));
347
348 err = drv(inode, file, VIDIOC_G_FBUF, &fbuf);
349 if (err < 0) {
350 dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n", err);
351 goto done;
352 }
353 buffer->base = fbuf.base;
354 buffer->height = fbuf.fmt.height;
355 buffer->width = fbuf.fmt.width;
356
357 switch (fbuf.fmt.pixelformat) {
358 case V4L2_PIX_FMT_RGB332:
359 buffer->depth = 8;
360 break;
361 case V4L2_PIX_FMT_RGB555:
362 buffer->depth = 15;
363 break;
364 case V4L2_PIX_FMT_RGB565:
365 buffer->depth = 16;
366 break;
367 case V4L2_PIX_FMT_BGR24:
368 buffer->depth = 24;
369 break;
370 case V4L2_PIX_FMT_BGR32:
371 buffer->depth = 32;
372 break;
373 default:
374 buffer->depth = 0;
375 }
376 if (fbuf.fmt.bytesperline) {
377 buffer->bytesperline = fbuf.fmt.bytesperline;
378 if (!buffer->depth && buffer->width)
379 buffer->depth = ((fbuf.fmt.bytesperline<<3)
380 + (buffer->width-1))
381 / buffer->width;
382 } else {
383 buffer->bytesperline =
384 (buffer->width * buffer->depth + 7) & 7;
385 buffer->bytesperline >>= 3;
386 }
387 done:
388 return err;
389 }
390
391 static noinline int v4l1_compat_set_frame_buffer(
392 struct video_buffer *buffer,
393 struct inode *inode,
394 struct file *file,
395 v4l2_kioctl drv)
396 {
397 int err;
398 struct v4l2_framebuffer fbuf;
399
400 memset(&fbuf, 0, sizeof(fbuf));
401 fbuf.base = buffer->base;
402 fbuf.fmt.height = buffer->height;
403 fbuf.fmt.width = buffer->width;
404 switch (buffer->depth) {
405 case 8:
406 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB332;
407 break;
408 case 15:
409 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB555;
410 break;
411 case 16:
412 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB565;
413 break;
414 case 24:
415 fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR24;
416 break;
417 case 32:
418 fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR32;
419 break;
420 }
421 fbuf.fmt.bytesperline = buffer->bytesperline;
422 err = drv(inode, file, VIDIOC_S_FBUF, &fbuf);
423 if (err < 0)
424 dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %d\n", err);
425 return err;
426 }
427
428 static noinline int v4l1_compat_get_win_cap_dimensions(
429 struct video_window *win,
430 struct inode *inode,
431 struct file *file,
432 v4l2_kioctl drv)
433 {
434 int err;
435 struct v4l2_format *fmt;
436
437 fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
438 if (!fmt) {
439 err = -ENOMEM;
440 return err;
441 }
442 memset(win, 0, sizeof(*win));
443
444 fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
445 err = drv(inode, file, VIDIOC_G_FMT, fmt);
446 if (err < 0)
447 dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %d\n", err);
448 if (err == 0) {
449 win->x = fmt->fmt.win.w.left;
450 win->y = fmt->fmt.win.w.top;
451 win->width = fmt->fmt.win.w.width;
452 win->height = fmt->fmt.win.w.height;
453 win->chromakey = fmt->fmt.win.chromakey;
454 win->clips = NULL;
455 win->clipcount = 0;
456 goto done;
457 }
458
459 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
460 err = drv(inode, file, VIDIOC_G_FMT, fmt);
461 if (err < 0) {
462 dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %d\n", err);
463 goto done;
464 }
465 win->x = 0;
466 win->y = 0;
467 win->width = fmt->fmt.pix.width;
468 win->height = fmt->fmt.pix.height;
469 win->chromakey = 0;
470 win->clips = NULL;
471 win->clipcount = 0;
472 done:
473 kfree(fmt);
474 return err;
475 }
476
477 static noinline int v4l1_compat_set_win_cap_dimensions(
478 struct video_window *win,
479 struct inode *inode,
480 struct file *file,
481 v4l2_kioctl drv)
482 {
483 int err, err1, err2;
484 struct v4l2_format *fmt;
485
486 fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
487 if (!fmt) {
488 err = -ENOMEM;
489 return err;
490 }
491 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
492 drv(inode, file, VIDIOC_STREAMOFF, &fmt->type);
493 err1 = drv(inode, file, VIDIOC_G_FMT, fmt);
494 if (err1 < 0)
495 dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %d\n", err1);
496 if (err1 == 0) {
497 fmt->fmt.pix.width = win->width;
498 fmt->fmt.pix.height = win->height;
499 fmt->fmt.pix.field = V4L2_FIELD_ANY;
500 fmt->fmt.pix.bytesperline = 0;
501 err = drv(inode, file, VIDIOC_S_FMT, fmt);
502 if (err < 0)
503 dprintk("VIDIOCSWIN / VIDIOC_S_FMT #1: %d\n",
504 err);
505 win->width = fmt->fmt.pix.width;
506 win->height = fmt->fmt.pix.height;
507 }
508
509 memset(fmt, 0, sizeof(*fmt));
510 fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
511 fmt->fmt.win.w.left = win->x;
512 fmt->fmt.win.w.top = win->y;
513 fmt->fmt.win.w.width = win->width;
514 fmt->fmt.win.w.height = win->height;
515 fmt->fmt.win.chromakey = win->chromakey;
516 fmt->fmt.win.clips = (void __user *)win->clips;
517 fmt->fmt.win.clipcount = win->clipcount;
518 err2 = drv(inode, file, VIDIOC_S_FMT, fmt);
519 if (err2 < 0)
520 dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %d\n", err2);
521
522 if (err1 != 0 && err2 != 0)
523 err = err1;
524 else
525 err = 0;
526 kfree(fmt);
527 return err;
528 }
529
530 static noinline int v4l1_compat_turn_preview_on_off(
531 int *on,
532 struct inode *inode,
533 struct file *file,
534 v4l2_kioctl drv)
535 {
536 int err;
537 enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
538
539 if (0 == *on) {
540 /* dirty hack time. But v4l1 has no STREAMOFF
541 * equivalent in the API, and this one at
542 * least comes close ... */
543 drv(inode, file, VIDIOC_STREAMOFF, &captype);
544 }
545 err = drv(inode, file, VIDIOC_OVERLAY, on);
546 if (err < 0)
547 dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %d\n", err);
548 return err;
549 }
550
551 static noinline int v4l1_compat_get_input_info(
552 struct video_channel *chan,
553 struct inode *inode,
554 struct file *file,
555 v4l2_kioctl drv)
556 {
557 int err;
558 struct v4l2_input input2;
559 v4l2_std_id sid;
560
561 memset(&input2, 0, sizeof(input2));
562 input2.index = chan->channel;
563 err = drv(inode, file, VIDIOC_ENUMINPUT, &input2);
564 if (err < 0) {
565 dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: "
566 "channel=%d err=%d\n", chan->channel, err);
567 goto done;
568 }
569 chan->channel = input2.index;
570 memcpy(chan->name, input2.name,
571 min(sizeof(chan->name), sizeof(input2.name)));
572 chan->name[sizeof(chan->name) - 1] = 0;
573 chan->tuners = (input2.type == V4L2_INPUT_TYPE_TUNER) ? 1 : 0;
574 chan->flags = (chan->tuners) ? VIDEO_VC_TUNER : 0;
575 switch (input2.type) {
576 case V4L2_INPUT_TYPE_TUNER:
577 chan->type = VIDEO_TYPE_TV;
578 break;
579 default:
580 case V4L2_INPUT_TYPE_CAMERA:
581 chan->type = VIDEO_TYPE_CAMERA;
582 break;
583 }
584 chan->norm = 0;
585 err = drv(inode, file, VIDIOC_G_STD, &sid);
586 if (err < 0)
587 dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %d\n", err);
588 if (err == 0) {
589 if (sid & V4L2_STD_PAL)
590 chan->norm = VIDEO_MODE_PAL;
591 if (sid & V4L2_STD_NTSC)
592 chan->norm = VIDEO_MODE_NTSC;
593 if (sid & V4L2_STD_SECAM)
594 chan->norm = VIDEO_MODE_SECAM;
595 }
596 done:
597 return err;
598 }
599
600 static noinline int v4l1_compat_set_input(
601 struct video_channel *chan,
602 struct inode *inode,
603 struct file *file,
604 v4l2_kioctl drv)
605 {
606 int err;
607 v4l2_std_id sid = 0;
608
609 err = drv(inode, file, VIDIOC_S_INPUT, &chan->channel);
610 if (err < 0)
611 dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %d\n", err);
612 switch (chan->norm) {
613 case VIDEO_MODE_PAL:
614 sid = V4L2_STD_PAL;
615 break;
616 case VIDEO_MODE_NTSC:
617 sid = V4L2_STD_NTSC;
618 break;
619 case VIDEO_MODE_SECAM:
620 sid = V4L2_STD_SECAM;
621 break;
622 }
623 if (0 != sid) {
624 err = drv(inode, file, VIDIOC_S_STD, &sid);
625 if (err < 0)
626 dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %d\n", err);
627 }
628 return err;
629 }
630
631 static noinline int v4l1_compat_get_picture(
632 struct video_picture *pict,
633 struct inode *inode,
634 struct file *file,
635 v4l2_kioctl drv)
636 {
637 int err;
638 struct v4l2_format *fmt;
639
640 fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
641 if (!fmt) {
642 err = -ENOMEM;
643 return err;
644 }
645
646 pict->brightness = get_v4l_control(inode, file,
647 V4L2_CID_BRIGHTNESS, drv);
648 pict->hue = get_v4l_control(inode, file,
649 V4L2_CID_HUE, drv);
650 pict->contrast = get_v4l_control(inode, file,
651 V4L2_CID_CONTRAST, drv);
652 pict->colour = get_v4l_control(inode, file,
653 V4L2_CID_SATURATION, drv);
654 pict->whiteness = get_v4l_control(inode, file,
655 V4L2_CID_WHITENESS, drv);
656
657 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
658 err = drv(inode, file, VIDIOC_G_FMT, fmt);
659 if (err < 0) {
660 dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %d\n", err);
661 goto done;
662 }
663
664 pict->depth = ((fmt->fmt.pix.bytesperline << 3)
665 + (fmt->fmt.pix.width - 1))
666 / fmt->fmt.pix.width;
667 pict->palette = pixelformat_to_palette(
668 fmt->fmt.pix.pixelformat);
669 done:
670 kfree(fmt);
671 return err;
672 }
673
674 static noinline int v4l1_compat_set_picture(
675 struct video_picture *pict,
676 struct inode *inode,
677 struct file *file,
678 v4l2_kioctl drv)
679 {
680 int err;
681 struct v4l2_framebuffer fbuf;
682 int mem_err = 0, ovl_err = 0;
683 struct v4l2_format *fmt;
684
685 fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
686 if (!fmt) {
687 err = -ENOMEM;
688 return err;
689 }
690 memset(&fbuf, 0, sizeof(fbuf));
691
692 set_v4l_control(inode, file,
693 V4L2_CID_BRIGHTNESS, pict->brightness, drv);
694 set_v4l_control(inode, file,
695 V4L2_CID_HUE, pict->hue, drv);
696 set_v4l_control(inode, file,
697 V4L2_CID_CONTRAST, pict->contrast, drv);
698 set_v4l_control(inode, file,
699 V4L2_CID_SATURATION, pict->colour, drv);
700 set_v4l_control(inode, file,
701 V4L2_CID_WHITENESS, pict->whiteness, drv);
702 /*
703 * V4L1 uses this ioctl to set both memory capture and overlay
704 * pixel format, while V4L2 has two different ioctls for this.
705 * Some cards may not support one or the other, and may support
706 * different pixel formats for memory vs overlay.
707 */
708
709 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
710 err = drv(inode, file, VIDIOC_G_FMT, fmt);
711 /* If VIDIOC_G_FMT failed, then the driver likely doesn't
712 support memory capture. Trying to set the memory capture
713 parameters would be pointless. */
714 if (err < 0) {
715 dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %d\n", err);
716 mem_err = -1000; /* didn't even try */
717 } else if (fmt->fmt.pix.pixelformat !=
718 palette_to_pixelformat(pict->palette)) {
719 fmt->fmt.pix.pixelformat = palette_to_pixelformat(
720 pict->palette);
721 mem_err = drv(inode, file, VIDIOC_S_FMT, fmt);
722 if (mem_err < 0)
723 dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",
724 mem_err);
725 }
726
727 err = drv(inode, file, VIDIOC_G_FBUF, &fbuf);
728 /* If VIDIOC_G_FBUF failed, then the driver likely doesn't
729 support overlay. Trying to set the overlay parameters
730 would be quite pointless. */
731 if (err < 0) {
732 dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %d\n", err);
733 ovl_err = -1000; /* didn't even try */
734 } else if (fbuf.fmt.pixelformat !=
735 palette_to_pixelformat(pict->palette)) {
736 fbuf.fmt.pixelformat = palette_to_pixelformat(
737 pict->palette);
738 ovl_err = drv(inode, file, VIDIOC_S_FBUF, &fbuf);
739 if (ovl_err < 0)
740 dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",
741 ovl_err);
742 }
743 if (ovl_err < 0 && mem_err < 0) {
744 /* ioctl failed, couldn't set either parameter */
745 if (mem_err != -1000)
746 err = mem_err;
747 else if (ovl_err == -EPERM)
748 err = 0;
749 else
750 err = ovl_err;
751 } else
752 err = 0;
753 kfree(fmt);
754 return err;
755 }
756
757 static noinline int v4l1_compat_get_tuner(
758 struct video_tuner *tun,
759 struct inode *inode,
760 struct file *file,
761 v4l2_kioctl drv)
762 {
763 int err, i;
764 struct v4l2_tuner tun2;
765 struct v4l2_standard std2;
766 v4l2_std_id sid;
767
768 memset(&tun2, 0, sizeof(tun2));
769 err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
770 if (err < 0) {
771 dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %d\n", err);
772 goto done;
773 }
774 memcpy(tun->name, tun2.name,
775 min(sizeof(tun->name), sizeof(tun2.name)));
776 tun->name[sizeof(tun->name) - 1] = 0;
777 tun->rangelow = tun2.rangelow;
778 tun->rangehigh = tun2.rangehigh;
779 tun->flags = 0;
780 tun->mode = VIDEO_MODE_AUTO;
781
782 for (i = 0; i < 64; i++) {
783 memset(&std2, 0, sizeof(std2));
784 std2.index = i;
785 if (0 != drv(inode, file, VIDIOC_ENUMSTD, &std2))
786 break;
787 if (std2.id & V4L2_STD_PAL)
788 tun->flags |= VIDEO_TUNER_PAL;
789 if (std2.id & V4L2_STD_NTSC)
790 tun->flags |= VIDEO_TUNER_NTSC;
791 if (std2.id & V4L2_STD_SECAM)
792 tun->flags |= VIDEO_TUNER_SECAM;
793 }
794
795 err = drv(inode, file, VIDIOC_G_STD, &sid);
796 if (err < 0)
797 dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %d\n", err);
798 if (err == 0) {
799 if (sid & V4L2_STD_PAL)
800 tun->mode = VIDEO_MODE_PAL;
801 if (sid & V4L2_STD_NTSC)
802 tun->mode = VIDEO_MODE_NTSC;
803 if (sid & V4L2_STD_SECAM)
804 tun->mode = VIDEO_MODE_SECAM;
805 }
806
807 if (tun2.capability & V4L2_TUNER_CAP_LOW)
808 tun->flags |= VIDEO_TUNER_LOW;
809 if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
810 tun->flags |= VIDEO_TUNER_STEREO_ON;
811 tun->signal = tun2.signal;
812 done:
813 return err;
814 }
815
816 static noinline int v4l1_compat_select_tuner(
817 struct video_tuner *tun,
818 struct inode *inode,
819 struct file *file,
820 v4l2_kioctl drv)
821 {
822 int err;
823 struct v4l2_tuner t;/*84 bytes on x86_64*/
824 memset(&t, 0, sizeof(t));
825
826 t.index = tun->tuner;
827
828 err = drv(inode, file, VIDIOC_S_INPUT, &t);
829 if (err < 0)
830 dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %d\n", err);
831 return err;
832 }
833
834 static noinline int v4l1_compat_get_frequency(
835 unsigned long *freq,
836 struct inode *inode,
837 struct file *file,
838 v4l2_kioctl drv)
839 {
840 int err;
841 struct v4l2_frequency freq2;
842 memset(&freq2, 0, sizeof(freq2));
843
844 freq2.tuner = 0;
845 err = drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
846 if (err < 0)
847 dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %d\n", err);
848 if (0 == err)
849 *freq = freq2.frequency;
850 return err;
851 }
852
853 static noinline int v4l1_compat_set_frequency(
854 unsigned long *freq,
855 struct inode *inode,
856 struct file *file,
857 v4l2_kioctl drv)
858 {
859 int err;
860 struct v4l2_frequency freq2;
861 memset(&freq2, 0, sizeof(freq2));
862
863 drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
864 freq2.frequency = *freq;
865 err = drv(inode, file, VIDIOC_S_FREQUENCY, &freq2);
866 if (err < 0)
867 dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %d\n", err);
868 return err;
869 }
870
871 static noinline int v4l1_compat_get_audio(
872 struct video_audio *aud,
873 struct inode *inode,
874 struct file *file,
875 v4l2_kioctl drv)
876 {
877 int err, i;
878 struct v4l2_queryctrl qctrl2;
879 struct v4l2_audio aud2;
880 struct v4l2_tuner tun2;
881 memset(&aud2, 0, sizeof(aud2));
882
883 err = drv(inode, file, VIDIOC_G_AUDIO, &aud2);
884 if (err < 0) {
885 dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %d\n", err);
886 goto done;
887 }
888 memcpy(aud->name, aud2.name,
889 min(sizeof(aud->name), sizeof(aud2.name)));
890 aud->name[sizeof(aud->name) - 1] = 0;
891 aud->audio = aud2.index;
892 aud->flags = 0;
893 i = get_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME, drv);
894 if (i >= 0) {
895 aud->volume = i;
896 aud->flags |= VIDEO_AUDIO_VOLUME;
897 }
898 i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BASS, drv);
899 if (i >= 0) {
900 aud->bass = i;
901 aud->flags |= VIDEO_AUDIO_BASS;
902 }
903 i = get_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE, drv);
904 if (i >= 0) {
905 aud->treble = i;
906 aud->flags |= VIDEO_AUDIO_TREBLE;
907 }
908 i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE, drv);
909 if (i >= 0) {
910 aud->balance = i;
911 aud->flags |= VIDEO_AUDIO_BALANCE;
912 }
913 i = get_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE, drv);
914 if (i >= 0) {
915 if (i)
916 aud->flags |= VIDEO_AUDIO_MUTE;
917 aud->flags |= VIDEO_AUDIO_MUTABLE;
918 }
919 aud->step = 1;
920 qctrl2.id = V4L2_CID_AUDIO_VOLUME;
921 if (drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2) == 0 &&
922 !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED))
923 aud->step = qctrl2.step;
924 aud->mode = 0;
925
926 memset(&tun2, 0, sizeof(tun2));
927 err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
928 if (err < 0) {
929 dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %d\n", err);
930 err = 0;
931 goto done;
932 }
933
934 if (tun2.rxsubchans & V4L2_TUNER_SUB_LANG2)
935 aud->mode = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
936 else if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
937 aud->mode = VIDEO_SOUND_STEREO;
938 else if (tun2.rxsubchans & V4L2_TUNER_SUB_MONO)
939 aud->mode = VIDEO_SOUND_MONO;
940 done:
941 return err;
942 }
943
944 static noinline int v4l1_compat_set_audio(
945 struct video_audio *aud,
946 struct inode *inode,
947 struct file *file,
948 v4l2_kioctl drv)
949 {
950 int err;
951 struct v4l2_audio aud2;
952 struct v4l2_tuner tun2;
953
954 memset(&aud2, 0, sizeof(aud2));
955 memset(&tun2, 0, sizeof(tun2));
956
957 aud2.index = aud->audio;
958 err = drv(inode, file, VIDIOC_S_AUDIO, &aud2);
959 if (err < 0) {
960 dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %d\n", err);
961 goto done;
962 }
963
964 set_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME,
965 aud->volume, drv);
966 set_v4l_control(inode, file, V4L2_CID_AUDIO_BASS,
967 aud->bass, drv);
968 set_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE,
969 aud->treble, drv);
970 set_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE,
971 aud->balance, drv);
972 set_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE,
973 !!(aud->flags & VIDEO_AUDIO_MUTE), drv);
974
975 err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
976 if (err < 0)
977 dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %d\n", err);
978 if (err == 0) {
979 switch (aud->mode) {
980 default:
981 case VIDEO_SOUND_MONO:
982 case VIDEO_SOUND_LANG1:
983 tun2.audmode = V4L2_TUNER_MODE_MONO;
984 break;
985 case VIDEO_SOUND_STEREO:
986 tun2.audmode = V4L2_TUNER_MODE_STEREO;
987 break;
988 case VIDEO_SOUND_LANG2:
989 tun2.audmode = V4L2_TUNER_MODE_LANG2;
990 break;
991 }
992 err = drv(inode, file, VIDIOC_S_TUNER, &tun2);
993 if (err < 0)
994 dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %d\n", err);
995 }
996 err = 0;
997 done:
998 return err;
999 }
1000
1001 static noinline int v4l1_compat_capture_frame(
1002 struct video_mmap *mm,
1003 struct inode *inode,
1004 struct file *file,
1005 v4l2_kioctl drv)
1006 {
1007 int err;
1008 enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1009 struct v4l2_buffer buf;
1010 struct v4l2_format *fmt;
1011
1012 fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
1013 if (!fmt) {
1014 err = -ENOMEM;
1015 return err;
1016 }
1017 memset(&buf, 0, sizeof(buf));
1018
1019 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1020 err = drv(inode, file, VIDIOC_G_FMT, fmt);
1021 if (err < 0) {
1022 dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %d\n", err);
1023 goto done;
1024 }
1025 if (mm->width != fmt->fmt.pix.width ||
1026 mm->height != fmt->fmt.pix.height ||
1027 palette_to_pixelformat(mm->format) !=
1028 fmt->fmt.pix.pixelformat) {
1029 /* New capture format... */
1030 fmt->fmt.pix.width = mm->width;
1031 fmt->fmt.pix.height = mm->height;
1032 fmt->fmt.pix.pixelformat =
1033 palette_to_pixelformat(mm->format);
1034 fmt->fmt.pix.field = V4L2_FIELD_ANY;
1035 fmt->fmt.pix.bytesperline = 0;
1036 err = drv(inode, file, VIDIOC_S_FMT, fmt);
1037 if (err < 0) {
1038 dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %d\n", err);
1039 goto done;
1040 }
1041 }
1042 buf.index = mm->frame;
1043 buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1044 err = drv(inode, file, VIDIOC_QUERYBUF, &buf);
1045 if (err < 0) {
1046 dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %d\n", err);
1047 goto done;
1048 }
1049 err = drv(inode, file, VIDIOC_QBUF, &buf);
1050 if (err < 0) {
1051 dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %d\n", err);
1052 goto done;
1053 }
1054 err = drv(inode, file, VIDIOC_STREAMON, &captype);
1055 if (err < 0)
1056 dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %d\n", err);
1057 done:
1058 kfree(fmt);
1059 return err;
1060 }
1061
1062 static noinline int v4l1_compat_sync(
1063 int *i,
1064 struct inode *inode,
1065 struct file *file,
1066 v4l2_kioctl drv)
1067 {
1068 int err;
1069 enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1070 struct v4l2_buffer buf;
1071 struct poll_wqueues *pwq;
1072
1073 memset(&buf, 0, sizeof(buf));
1074 buf.index = *i;
1075 buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1076 err = drv(inode, file, VIDIOC_QUERYBUF, &buf);
1077 if (err < 0) {
1078 /* No such buffer */
1079 dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n", err);
1080 goto done;
1081 }
1082 if (!(buf.flags & V4L2_BUF_FLAG_MAPPED)) {
1083 /* Buffer is not mapped */
1084 err = -EINVAL;
1085 goto done;
1086 }
1087
1088 /* make sure capture actually runs so we don't block forever */
1089 err = drv(inode, file, VIDIOC_STREAMON, &captype);
1090 if (err < 0) {
1091 dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %d\n", err);
1092 goto done;
1093 }
1094
1095 pwq = kmalloc(sizeof(*pwq), GFP_KERNEL);
1096 /* Loop as long as the buffer is queued, but not done */
1097 while ((buf.flags & (V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE))
1098 == V4L2_BUF_FLAG_QUEUED) {
1099 err = poll_one(file, pwq);
1100 if (err < 0 || /* error or sleep was interrupted */
1101 err == 0) /* timeout? Shouldn't occur. */
1102 break;
1103 err = drv(inode, file, VIDIOC_QUERYBUF, &buf);
1104 if (err < 0)
1105 dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n", err);
1106 }
1107 kfree(pwq);
1108 if (!(buf.flags & V4L2_BUF_FLAG_DONE)) /* not done */
1109 goto done;
1110 do {
1111 err = drv(inode, file, VIDIOC_DQBUF, &buf);
1112 if (err < 0)
1113 dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %d\n", err);
1114 } while (err == 0 && buf.index != *i);
1115 done:
1116 return err;
1117 }
1118
1119 static noinline int v4l1_compat_get_vbi_format(
1120 struct vbi_format *fmt,
1121 struct inode *inode,
1122 struct file *file,
1123 v4l2_kioctl drv)
1124 {
1125 int err;
1126 struct v4l2_format *fmt2;
1127
1128 fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL);
1129 if (!fmt2) {
1130 err = -ENOMEM;
1131 return err;
1132 }
1133 fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1134
1135 err = drv(inode, file, VIDIOC_G_FMT, fmt2);
1136 if (err < 0) {
1137 dprintk("VIDIOCGVBIFMT / VIDIOC_G_FMT: %d\n", err);
1138 goto done;
1139 }
1140 if (fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY) {
1141 err = -EINVAL;
1142 goto done;
1143 }
1144 memset(fmt, 0, sizeof(*fmt));
1145 fmt->samples_per_line = fmt2->fmt.vbi.samples_per_line;
1146 fmt->sampling_rate = fmt2->fmt.vbi.sampling_rate;
1147 fmt->sample_format = VIDEO_PALETTE_RAW;
1148 fmt->start[0] = fmt2->fmt.vbi.start[0];
1149 fmt->count[0] = fmt2->fmt.vbi.count[0];
1150 fmt->start[1] = fmt2->fmt.vbi.start[1];
1151 fmt->count[1] = fmt2->fmt.vbi.count[1];
1152 fmt->flags = fmt2->fmt.vbi.flags & 0x03;
1153 done:
1154 kfree(fmt2);
1155 return err;
1156 }
1157
1158 static noinline int v4l1_compat_set_vbi_format(
1159 struct vbi_format *fmt,
1160 struct inode *inode,
1161 struct file *file,
1162 v4l2_kioctl drv)
1163 {
1164 int err;
1165 struct v4l2_format *fmt2 = NULL;
1166
1167 if (VIDEO_PALETTE_RAW != fmt->sample_format) {
1168 err = -EINVAL;
1169 return err;
1170 }
1171
1172 fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL);
1173 if (!fmt2) {
1174 err = -ENOMEM;
1175 return err;
1176 }
1177 fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1178 fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line;
1179 fmt2->fmt.vbi.sampling_rate = fmt->sampling_rate;
1180 fmt2->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1181 fmt2->fmt.vbi.start[0] = fmt->start[0];
1182 fmt2->fmt.vbi.count[0] = fmt->count[0];
1183 fmt2->fmt.vbi.start[1] = fmt->start[1];
1184 fmt2->fmt.vbi.count[1] = fmt->count[1];
1185 fmt2->fmt.vbi.flags = fmt->flags;
1186 err = drv(inode, file, VIDIOC_TRY_FMT, fmt2);
1187 if (err < 0) {
1188 dprintk("VIDIOCSVBIFMT / VIDIOC_TRY_FMT: %d\n", err);
1189 goto done;
1190 }
1191
1192 if (fmt2->fmt.vbi.samples_per_line != fmt->samples_per_line ||
1193 fmt2->fmt.vbi.sampling_rate != fmt->sampling_rate ||
1194 fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY ||
1195 fmt2->fmt.vbi.start[0] != fmt->start[0] ||
1196 fmt2->fmt.vbi.count[0] != fmt->count[0] ||
1197 fmt2->fmt.vbi.start[1] != fmt->start[1] ||
1198 fmt2->fmt.vbi.count[1] != fmt->count[1] ||
1199 fmt2->fmt.vbi.flags != fmt->flags) {
1200 err = -EINVAL;
1201 goto done;
1202 }
1203 err = drv(inode, file, VIDIOC_S_FMT, fmt2);
1204 if (err < 0)
1205 dprintk("VIDIOCSVBIFMT / VIDIOC_S_FMT: %d\n", err);
1206 done:
1207 kfree(fmt2);
1208 return err;
1209 }
1210
1211 /*
1212 * This function is exported.
1213 */
1214 int
1215 v4l_compat_translate_ioctl(struct inode *inode,
1216 struct file *file,
1217 int cmd,
1218 void *arg,
1219 v4l2_kioctl drv)
1220 {
1221 int err;
1222
1223 switch (cmd) {
1224 case VIDIOCGCAP: /* capability */
1225 err = v4l1_compat_get_capabilities(arg, inode, file, drv);
1226 break;
1227 case VIDIOCGFBUF: /* get frame buffer */
1228 err = v4l1_compat_get_frame_buffer(arg, inode, file, drv);
1229 break;
1230 case VIDIOCSFBUF: /* set frame buffer */
1231 err = v4l1_compat_set_frame_buffer(arg, inode, file, drv);
1232 break;
1233 case VIDIOCGWIN: /* get window or capture dimensions */
1234 err = v4l1_compat_get_win_cap_dimensions(arg, inode, file, drv);
1235 break;
1236 case VIDIOCSWIN: /* set window and/or capture dimensions */
1237 err = v4l1_compat_set_win_cap_dimensions(arg, inode, file, drv);
1238 break;
1239 case VIDIOCCAPTURE: /* turn on/off preview */
1240 err = v4l1_compat_turn_preview_on_off(arg, inode, file, drv);
1241 break;
1242 case VIDIOCGCHAN: /* get input information */
1243 err = v4l1_compat_get_input_info(arg, inode, file, drv);
1244 break;
1245 case VIDIOCSCHAN: /* set input */
1246 err = v4l1_compat_set_input(arg, inode, file, drv);
1247 break;
1248 case VIDIOCGPICT: /* get tone controls & partial capture format */
1249 err = v4l1_compat_get_picture(arg, inode, file, drv);
1250 break;
1251 case VIDIOCSPICT: /* set tone controls & partial capture format */
1252 err = v4l1_compat_set_picture(arg, inode, file, drv);
1253 break;
1254 case VIDIOCGTUNER: /* get tuner information */
1255 err = v4l1_compat_get_tuner(arg, inode, file, drv);
1256 break;
1257 case VIDIOCSTUNER: /* select a tuner input */
1258 err = v4l1_compat_select_tuner(arg, inode, file, drv);
1259 break;
1260 case VIDIOCGFREQ: /* get frequency */
1261 err = v4l1_compat_get_frequency(arg, inode, file, drv);
1262 break;
1263 case VIDIOCSFREQ: /* set frequency */
1264 err = v4l1_compat_set_frequency(arg, inode, file, drv);
1265 break;
1266 case VIDIOCGAUDIO: /* get audio properties/controls */
1267 err = v4l1_compat_get_audio(arg, inode, file, drv);
1268 break;
1269 case VIDIOCSAUDIO: /* set audio controls */
1270 err = v4l1_compat_set_audio(arg, inode, file, drv);
1271 break;
1272 case VIDIOCMCAPTURE: /* capture a frame */
1273 err = v4l1_compat_capture_frame(arg, inode, file, drv);
1274 break;
1275 case VIDIOCSYNC: /* wait for a frame */
1276 err = v4l1_compat_sync(arg, inode, file, drv);
1277 break;
1278 case VIDIOCGVBIFMT: /* query VBI data capture format */
1279 err = v4l1_compat_get_vbi_format(arg, inode, file, drv);
1280 break;
1281 case VIDIOCSVBIFMT:
1282 err = v4l1_compat_set_vbi_format(arg, inode, file, drv);
1283 break;
1284 default:
1285 err = -ENOIOCTLCMD;
1286 break;
1287 }
1288
1289 return err;
1290 }
1291 EXPORT_SYMBOL(v4l_compat_translate_ioctl);
1292
1293 /*
1294 * Local variables:
1295 * c-basic-offset: 8
1296 * End:
1297 */
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree