V4L/DVB (10387): gspca - spca505: Move some sequences from probe to streamon.
[linux-2.6] / drivers / media / video / v4l1-compat.c
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 static unsigned int debug;
40 module_param(debug, int, 0644);
41 MODULE_PARM_DESC(debug, "enable debug messages");
42 MODULE_AUTHOR("Bill Dirks");
43 MODULE_DESCRIPTION("v4l(1) compatibility layer for v4l2 drivers.");
44 MODULE_LICENSE("GPL");
45
46 #define dprintk(fmt, arg...) \
47         do { \
48                 if (debug) \
49                         printk(KERN_DEBUG "v4l1-compat: " fmt , ## arg);\
50         } while (0)
51
52 /*
53  *      I O C T L   T R A N S L A T I O N
54  *
55  *      From here on down is the code for translating the numerous
56  *      ioctl commands from the old API to the new API.
57  */
58
59 static int
60 get_v4l_control(struct file             *file,
61                 int                     cid,
62                 v4l2_kioctl             drv)
63 {
64         struct v4l2_queryctrl   qctrl2;
65         struct v4l2_control     ctrl2;
66         int                     err;
67
68         qctrl2.id = cid;
69         err = drv(file, VIDIOC_QUERYCTRL, &qctrl2);
70         if (err < 0)
71                 dprintk("VIDIOC_QUERYCTRL: %d\n", err);
72         if (err == 0 && !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) {
73                 ctrl2.id = qctrl2.id;
74                 err = drv(file, VIDIOC_G_CTRL, &ctrl2);
75                 if (err < 0) {
76                         dprintk("VIDIOC_G_CTRL: %d\n", err);
77                         return 0;
78                 }
79                 return ((ctrl2.value - qctrl2.minimum) * 65535
80                          + (qctrl2.maximum - qctrl2.minimum) / 2)
81                         / (qctrl2.maximum - qctrl2.minimum);
82         }
83         return 0;
84 }
85
86 static int
87 set_v4l_control(struct file             *file,
88                 int                     cid,
89                 int                     value,
90                 v4l2_kioctl             drv)
91 {
92         struct v4l2_queryctrl   qctrl2;
93         struct v4l2_control     ctrl2;
94         int                     err;
95
96         qctrl2.id = cid;
97         err = drv(file, VIDIOC_QUERYCTRL, &qctrl2);
98         if (err < 0)
99                 dprintk("VIDIOC_QUERYCTRL: %d\n", err);
100         if (err == 0 &&
101             !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED) &&
102             !(qctrl2.flags & V4L2_CTRL_FLAG_GRABBED)) {
103                 if (value < 0)
104                         value = 0;
105                 if (value > 65535)
106                         value = 65535;
107                 if (value && qctrl2.type == V4L2_CTRL_TYPE_BOOLEAN)
108                         value = 65535;
109                 ctrl2.id = qctrl2.id;
110                 ctrl2.value =
111                         (value * (qctrl2.maximum - qctrl2.minimum)
112                          + 32767)
113                         / 65535;
114                 ctrl2.value += qctrl2.minimum;
115                 err = drv(file, VIDIOC_S_CTRL, &ctrl2);
116                 if (err < 0)
117                         dprintk("VIDIOC_S_CTRL: %d\n", err);
118         }
119         return 0;
120 }
121
122 /* ----------------------------------------------------------------- */
123
124 static const unsigned int palette2pixelformat[] = {
125         [VIDEO_PALETTE_GREY]    = V4L2_PIX_FMT_GREY,
126         [VIDEO_PALETTE_RGB555]  = V4L2_PIX_FMT_RGB555,
127         [VIDEO_PALETTE_RGB565]  = V4L2_PIX_FMT_RGB565,
128         [VIDEO_PALETTE_RGB24]   = V4L2_PIX_FMT_BGR24,
129         [VIDEO_PALETTE_RGB32]   = V4L2_PIX_FMT_BGR32,
130         /* yuv packed pixel */
131         [VIDEO_PALETTE_YUYV]    = V4L2_PIX_FMT_YUYV,
132         [VIDEO_PALETTE_YUV422]  = V4L2_PIX_FMT_YUYV,
133         [VIDEO_PALETTE_UYVY]    = V4L2_PIX_FMT_UYVY,
134         /* yuv planar */
135         [VIDEO_PALETTE_YUV410P] = V4L2_PIX_FMT_YUV410,
136         [VIDEO_PALETTE_YUV420]  = V4L2_PIX_FMT_YUV420,
137         [VIDEO_PALETTE_YUV420P] = V4L2_PIX_FMT_YUV420,
138         [VIDEO_PALETTE_YUV411P] = V4L2_PIX_FMT_YUV411P,
139         [VIDEO_PALETTE_YUV422P] = V4L2_PIX_FMT_YUV422P,
140 };
141
142 static unsigned int __pure
143 palette_to_pixelformat(unsigned int palette)
144 {
145         if (palette < ARRAY_SIZE(palette2pixelformat))
146                 return palette2pixelformat[palette];
147         else
148                 return 0;
149 }
150
151 static unsigned int __attribute_const__
152 pixelformat_to_palette(unsigned int pixelformat)
153 {
154         int     palette = 0;
155         switch (pixelformat) {
156         case V4L2_PIX_FMT_GREY:
157                 palette = VIDEO_PALETTE_GREY;
158                 break;
159         case V4L2_PIX_FMT_RGB555:
160                 palette = VIDEO_PALETTE_RGB555;
161                 break;
162         case V4L2_PIX_FMT_RGB565:
163                 palette = VIDEO_PALETTE_RGB565;
164                 break;
165         case V4L2_PIX_FMT_BGR24:
166                 palette = VIDEO_PALETTE_RGB24;
167                 break;
168         case V4L2_PIX_FMT_BGR32:
169                 palette = VIDEO_PALETTE_RGB32;
170                 break;
171         /* yuv packed pixel */
172         case V4L2_PIX_FMT_YUYV:
173                 palette = VIDEO_PALETTE_YUYV;
174                 break;
175         case V4L2_PIX_FMT_UYVY:
176                 palette = VIDEO_PALETTE_UYVY;
177                 break;
178         /* yuv planar */
179         case V4L2_PIX_FMT_YUV410:
180                 palette = VIDEO_PALETTE_YUV420;
181                 break;
182         case V4L2_PIX_FMT_YUV420:
183                 palette = VIDEO_PALETTE_YUV420;
184                 break;
185         case V4L2_PIX_FMT_YUV411P:
186                 palette = VIDEO_PALETTE_YUV411P;
187                 break;
188         case V4L2_PIX_FMT_YUV422P:
189                 palette = VIDEO_PALETTE_YUV422P;
190                 break;
191         }
192         return palette;
193 }
194
195 /* ----------------------------------------------------------------- */
196
197 static int poll_one(struct file *file, struct poll_wqueues *pwq)
198 {
199         int retval = 1;
200         poll_table *table;
201
202         poll_initwait(pwq);
203         table = &pwq->pt;
204         for (;;) {
205                 int mask;
206                 mask = file->f_op->poll(file, table);
207                 if (mask & POLLIN)
208                         break;
209                 table = NULL;
210                 if (signal_pending(current)) {
211                         retval = -ERESTARTSYS;
212                         break;
213                 }
214                 poll_schedule(pwq, TASK_INTERRUPTIBLE);
215         }
216         poll_freewait(pwq);
217         return retval;
218 }
219
220 static int count_inputs(
221                         struct file *file,
222                         v4l2_kioctl drv)
223 {
224         struct v4l2_input input2;
225         int i;
226
227         for (i = 0;; i++) {
228                 memset(&input2, 0, sizeof(input2));
229                 input2.index = i;
230                 if (0 != drv(file, VIDIOC_ENUMINPUT, &input2))
231                         break;
232         }
233         return i;
234 }
235
236 static int check_size(
237                 struct file *file,
238                 v4l2_kioctl drv,
239                 int *maxw,
240                 int *maxh)
241 {
242         struct v4l2_fmtdesc desc2;
243         struct v4l2_format  fmt2;
244
245         memset(&desc2, 0, sizeof(desc2));
246         memset(&fmt2, 0, sizeof(fmt2));
247
248         desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
249         if (0 != drv(file, VIDIOC_ENUM_FMT, &desc2))
250                 goto done;
251
252         fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
253         fmt2.fmt.pix.width       = 10000;
254         fmt2.fmt.pix.height      = 10000;
255         fmt2.fmt.pix.pixelformat = desc2.pixelformat;
256         if (0 != drv(file, VIDIOC_TRY_FMT, &fmt2))
257                 goto done;
258
259         *maxw = fmt2.fmt.pix.width;
260         *maxh = fmt2.fmt.pix.height;
261
262 done:
263         return 0;
264 }
265
266 /* ----------------------------------------------------------------- */
267
268 static noinline long v4l1_compat_get_capabilities(
269                                         struct video_capability *cap,
270                                         struct file *file,
271                                         v4l2_kioctl drv)
272 {
273         long err;
274         struct v4l2_framebuffer fbuf;
275         struct v4l2_capability *cap2;
276
277         cap2 = kzalloc(sizeof(*cap2), GFP_KERNEL);
278         if (!cap2) {
279                 err = -ENOMEM;
280                 return err;
281         }
282         memset(cap, 0, sizeof(*cap));
283         memset(&fbuf, 0, sizeof(fbuf));
284
285         err = drv(file, VIDIOC_QUERYCAP, cap2);
286         if (err < 0) {
287                 dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %ld\n", err);
288                 goto done;
289         }
290         if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) {
291                 err = drv(file, VIDIOC_G_FBUF, &fbuf);
292                 if (err < 0) {
293                         dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %ld\n", err);
294                         memset(&fbuf, 0, sizeof(fbuf));
295                 }
296                 err = 0;
297         }
298
299         memcpy(cap->name, cap2->card,
300                min(sizeof(cap->name), sizeof(cap2->card)));
301         cap->name[sizeof(cap->name) - 1] = 0;
302         if (cap2->capabilities & V4L2_CAP_VIDEO_CAPTURE)
303                 cap->type |= VID_TYPE_CAPTURE;
304         if (cap2->capabilities & V4L2_CAP_TUNER)
305                 cap->type |= VID_TYPE_TUNER;
306         if (cap2->capabilities & V4L2_CAP_VBI_CAPTURE)
307                 cap->type |= VID_TYPE_TELETEXT;
308         if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY)
309                 cap->type |= VID_TYPE_OVERLAY;
310         if (fbuf.capability & V4L2_FBUF_CAP_LIST_CLIPPING)
311                 cap->type |= VID_TYPE_CLIPPING;
312
313         cap->channels  = count_inputs(file, drv);
314         check_size(file, drv,
315                    &cap->maxwidth, &cap->maxheight);
316         cap->audios    =  0; /* FIXME */
317         cap->minwidth  = 48; /* FIXME */
318         cap->minheight = 32; /* FIXME */
319
320 done:
321         kfree(cap2);
322         return err;
323 }
324
325 static noinline long v4l1_compat_get_frame_buffer(
326                                         struct video_buffer *buffer,
327                                         struct file *file,
328                                         v4l2_kioctl drv)
329 {
330         long err;
331         struct v4l2_framebuffer fbuf;
332
333         memset(buffer, 0, sizeof(*buffer));
334         memset(&fbuf, 0, sizeof(fbuf));
335
336         err = drv(file, VIDIOC_G_FBUF, &fbuf);
337         if (err < 0) {
338                 dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %ld\n", err);
339                 goto done;
340         }
341         buffer->base   = fbuf.base;
342         buffer->height = fbuf.fmt.height;
343         buffer->width  = fbuf.fmt.width;
344
345         switch (fbuf.fmt.pixelformat) {
346         case V4L2_PIX_FMT_RGB332:
347                 buffer->depth = 8;
348                 break;
349         case V4L2_PIX_FMT_RGB555:
350                 buffer->depth = 15;
351                 break;
352         case V4L2_PIX_FMT_RGB565:
353                 buffer->depth = 16;
354                 break;
355         case V4L2_PIX_FMT_BGR24:
356                 buffer->depth = 24;
357                 break;
358         case V4L2_PIX_FMT_BGR32:
359                 buffer->depth = 32;
360                 break;
361         default:
362                 buffer->depth = 0;
363         }
364         if (fbuf.fmt.bytesperline) {
365                 buffer->bytesperline = fbuf.fmt.bytesperline;
366                 if (!buffer->depth && buffer->width)
367                         buffer->depth   = ((fbuf.fmt.bytesperline<<3)
368                                           + (buffer->width-1))
369                                           / buffer->width;
370         } else {
371                 buffer->bytesperline =
372                         (buffer->width * buffer->depth + 7) & 7;
373                 buffer->bytesperline >>= 3;
374         }
375 done:
376         return err;
377 }
378
379 static noinline long v4l1_compat_set_frame_buffer(
380                                         struct video_buffer *buffer,
381                                         struct file *file,
382                                         v4l2_kioctl drv)
383 {
384         long err;
385         struct v4l2_framebuffer fbuf;
386
387         memset(&fbuf, 0, sizeof(fbuf));
388         fbuf.base       = buffer->base;
389         fbuf.fmt.height = buffer->height;
390         fbuf.fmt.width  = buffer->width;
391         switch (buffer->depth) {
392         case 8:
393                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB332;
394                 break;
395         case 15:
396                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB555;
397                 break;
398         case 16:
399                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB565;
400                 break;
401         case 24:
402                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR24;
403                 break;
404         case 32:
405                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR32;
406                 break;
407         }
408         fbuf.fmt.bytesperline = buffer->bytesperline;
409         err = drv(file, VIDIOC_S_FBUF, &fbuf);
410         if (err < 0)
411                 dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %ld\n", err);
412         return err;
413 }
414
415 static noinline long v4l1_compat_get_win_cap_dimensions(
416                                         struct video_window *win,
417                                         struct file *file,
418                                         v4l2_kioctl drv)
419 {
420         long err;
421         struct v4l2_format *fmt;
422
423         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
424         if (!fmt) {
425                 err = -ENOMEM;
426                 return err;
427         }
428         memset(win, 0, sizeof(*win));
429
430         fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
431         err = drv(file, VIDIOC_G_FMT, fmt);
432         if (err < 0)
433                 dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %ld\n", err);
434         if (err == 0) {
435                 win->x         = fmt->fmt.win.w.left;
436                 win->y         = fmt->fmt.win.w.top;
437                 win->width     = fmt->fmt.win.w.width;
438                 win->height    = fmt->fmt.win.w.height;
439                 win->chromakey = fmt->fmt.win.chromakey;
440                 win->clips     = NULL;
441                 win->clipcount = 0;
442                 goto done;
443         }
444
445         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
446         err = drv(file, VIDIOC_G_FMT, fmt);
447         if (err < 0) {
448                 dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %ld\n", err);
449                 goto done;
450         }
451         win->x         = 0;
452         win->y         = 0;
453         win->width     = fmt->fmt.pix.width;
454         win->height    = fmt->fmt.pix.height;
455         win->chromakey = 0;
456         win->clips     = NULL;
457         win->clipcount = 0;
458 done:
459         kfree(fmt);
460         return err;
461 }
462
463 static noinline long v4l1_compat_set_win_cap_dimensions(
464                                         struct video_window *win,
465                                         struct file *file,
466                                         v4l2_kioctl drv)
467 {
468         long err, err1, err2;
469         struct v4l2_format *fmt;
470
471         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
472         if (!fmt) {
473                 err = -ENOMEM;
474                 return err;
475         }
476         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
477         drv(file, VIDIOC_STREAMOFF, &fmt->type);
478         err1 = drv(file, VIDIOC_G_FMT, fmt);
479         if (err1 < 0)
480                 dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %ld\n", err1);
481         if (err1 == 0) {
482                 fmt->fmt.pix.width  = win->width;
483                 fmt->fmt.pix.height = win->height;
484                 fmt->fmt.pix.field  = V4L2_FIELD_ANY;
485                 fmt->fmt.pix.bytesperline = 0;
486                 err = drv(file, VIDIOC_S_FMT, fmt);
487                 if (err < 0)
488                         dprintk("VIDIOCSWIN / VIDIOC_S_FMT #1: %ld\n",
489                                 err);
490                 win->width  = fmt->fmt.pix.width;
491                 win->height = fmt->fmt.pix.height;
492         }
493
494         memset(fmt, 0, sizeof(*fmt));
495         fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
496         fmt->fmt.win.w.left    = win->x;
497         fmt->fmt.win.w.top     = win->y;
498         fmt->fmt.win.w.width   = win->width;
499         fmt->fmt.win.w.height  = win->height;
500         fmt->fmt.win.chromakey = win->chromakey;
501         fmt->fmt.win.clips     = (void __user *)win->clips;
502         fmt->fmt.win.clipcount = win->clipcount;
503         err2 = drv(file, VIDIOC_S_FMT, fmt);
504         if (err2 < 0)
505                 dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %ld\n", err2);
506
507         if (err1 != 0 && err2 != 0)
508                 err = err1;
509         else
510                 err = 0;
511         kfree(fmt);
512         return err;
513 }
514
515 static noinline long v4l1_compat_turn_preview_on_off(
516                                         int *on,
517                                         struct file *file,
518                                         v4l2_kioctl drv)
519 {
520         long err;
521         enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
522
523         if (0 == *on) {
524                 /* dirty hack time.  But v4l1 has no STREAMOFF
525                  * equivalent in the API, and this one at
526                  * least comes close ... */
527                 drv(file, VIDIOC_STREAMOFF, &captype);
528         }
529         err = drv(file, VIDIOC_OVERLAY, on);
530         if (err < 0)
531                 dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %ld\n", err);
532         return err;
533 }
534
535 static noinline long v4l1_compat_get_input_info(
536                                         struct video_channel *chan,
537                                         struct file *file,
538                                         v4l2_kioctl drv)
539 {
540         long err;
541         struct v4l2_input       input2;
542         v4l2_std_id             sid;
543
544         memset(&input2, 0, sizeof(input2));
545         input2.index = chan->channel;
546         err = drv(file, VIDIOC_ENUMINPUT, &input2);
547         if (err < 0) {
548                 dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: "
549                         "channel=%d err=%ld\n", chan->channel, err);
550                 goto done;
551         }
552         chan->channel = input2.index;
553         memcpy(chan->name, input2.name,
554                min(sizeof(chan->name), sizeof(input2.name)));
555         chan->name[sizeof(chan->name) - 1] = 0;
556         chan->tuners = (input2.type == V4L2_INPUT_TYPE_TUNER) ? 1 : 0;
557         chan->flags = (chan->tuners) ? VIDEO_VC_TUNER : 0;
558         switch (input2.type) {
559         case V4L2_INPUT_TYPE_TUNER:
560                 chan->type = VIDEO_TYPE_TV;
561                 break;
562         default:
563         case V4L2_INPUT_TYPE_CAMERA:
564                 chan->type = VIDEO_TYPE_CAMERA;
565                 break;
566         }
567         chan->norm = 0;
568         err = drv(file, VIDIOC_G_STD, &sid);
569         if (err < 0)
570                 dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %ld\n", err);
571         if (err == 0) {
572                 if (sid & V4L2_STD_PAL)
573                         chan->norm = VIDEO_MODE_PAL;
574                 if (sid & V4L2_STD_NTSC)
575                         chan->norm = VIDEO_MODE_NTSC;
576                 if (sid & V4L2_STD_SECAM)
577                         chan->norm = VIDEO_MODE_SECAM;
578         }
579 done:
580         return err;
581 }
582
583 static noinline long v4l1_compat_set_input(
584                                         struct video_channel *chan,
585                                         struct file *file,
586                                         v4l2_kioctl drv)
587 {
588         long err;
589         v4l2_std_id sid = 0;
590
591         err = drv(file, VIDIOC_S_INPUT, &chan->channel);
592         if (err < 0)
593                 dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %ld\n", err);
594         switch (chan->norm) {
595         case VIDEO_MODE_PAL:
596                 sid = V4L2_STD_PAL;
597                 break;
598         case VIDEO_MODE_NTSC:
599                 sid = V4L2_STD_NTSC;
600                 break;
601         case VIDEO_MODE_SECAM:
602                 sid = V4L2_STD_SECAM;
603                 break;
604         }
605         if (0 != sid) {
606                 err = drv(file, VIDIOC_S_STD, &sid);
607                 if (err < 0)
608                         dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %ld\n", err);
609         }
610         return err;
611 }
612
613 static noinline long v4l1_compat_get_picture(
614                                         struct video_picture *pict,
615                                         struct file *file,
616                                         v4l2_kioctl drv)
617 {
618         long err;
619         struct v4l2_format *fmt;
620
621         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
622         if (!fmt) {
623                 err = -ENOMEM;
624                 return err;
625         }
626
627         pict->brightness = get_v4l_control(file,
628                                            V4L2_CID_BRIGHTNESS, drv);
629         pict->hue = get_v4l_control(file,
630                                     V4L2_CID_HUE, drv);
631         pict->contrast = get_v4l_control(file,
632                                          V4L2_CID_CONTRAST, drv);
633         pict->colour = get_v4l_control(file,
634                                        V4L2_CID_SATURATION, drv);
635         pict->whiteness = get_v4l_control(file,
636                                           V4L2_CID_WHITENESS, drv);
637
638         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
639         err = drv(file, VIDIOC_G_FMT, fmt);
640         if (err < 0) {
641                 dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %ld\n", err);
642                 goto done;
643         }
644
645         pict->depth   = ((fmt->fmt.pix.bytesperline << 3)
646                          + (fmt->fmt.pix.width - 1))
647                          / fmt->fmt.pix.width;
648         pict->palette = pixelformat_to_palette(
649                 fmt->fmt.pix.pixelformat);
650 done:
651         kfree(fmt);
652         return err;
653 }
654
655 static noinline long v4l1_compat_set_picture(
656                                         struct video_picture *pict,
657                                         struct file *file,
658                                         v4l2_kioctl drv)
659 {
660         long err;
661         struct v4l2_framebuffer fbuf;
662         int mem_err = 0, ovl_err = 0;
663         struct v4l2_format *fmt;
664
665         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
666         if (!fmt) {
667                 err = -ENOMEM;
668                 return err;
669         }
670         memset(&fbuf, 0, sizeof(fbuf));
671
672         set_v4l_control(file,
673                         V4L2_CID_BRIGHTNESS, pict->brightness, drv);
674         set_v4l_control(file,
675                         V4L2_CID_HUE, pict->hue, drv);
676         set_v4l_control(file,
677                         V4L2_CID_CONTRAST, pict->contrast, drv);
678         set_v4l_control(file,
679                         V4L2_CID_SATURATION, pict->colour, drv);
680         set_v4l_control(file,
681                         V4L2_CID_WHITENESS, pict->whiteness, drv);
682         /*
683          * V4L1 uses this ioctl to set both memory capture and overlay
684          * pixel format, while V4L2 has two different ioctls for this.
685          * Some cards may not support one or the other, and may support
686          * different pixel formats for memory vs overlay.
687          */
688
689         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
690         err = drv(file, VIDIOC_G_FMT, fmt);
691         /* If VIDIOC_G_FMT failed, then the driver likely doesn't
692            support memory capture.  Trying to set the memory capture
693            parameters would be pointless.  */
694         if (err < 0) {
695                 dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %ld\n", err);
696                 mem_err = -1000;  /* didn't even try */
697         } else if (fmt->fmt.pix.pixelformat !=
698                  palette_to_pixelformat(pict->palette)) {
699                 fmt->fmt.pix.pixelformat = palette_to_pixelformat(
700                         pict->palette);
701                 mem_err = drv(file, VIDIOC_S_FMT, fmt);
702                 if (mem_err < 0)
703                         dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",
704                                 mem_err);
705         }
706
707         err = drv(file, VIDIOC_G_FBUF, &fbuf);
708         /* If VIDIOC_G_FBUF failed, then the driver likely doesn't
709            support overlay.  Trying to set the overlay parameters
710            would be quite pointless.  */
711         if (err < 0) {
712                 dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %ld\n", err);
713                 ovl_err = -1000;  /* didn't even try */
714         } else if (fbuf.fmt.pixelformat !=
715                  palette_to_pixelformat(pict->palette)) {
716                 fbuf.fmt.pixelformat = palette_to_pixelformat(
717                         pict->palette);
718                 ovl_err = drv(file, VIDIOC_S_FBUF, &fbuf);
719                 if (ovl_err < 0)
720                         dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",
721                                 ovl_err);
722         }
723         if (ovl_err < 0 && mem_err < 0) {
724                 /* ioctl failed, couldn't set either parameter */
725                 if (mem_err != -1000)
726                         err = mem_err;
727                 else if (ovl_err == -EPERM)
728                         err = 0;
729                 else
730                         err = ovl_err;
731         } else
732                 err = 0;
733         kfree(fmt);
734         return err;
735 }
736
737 static noinline long v4l1_compat_get_tuner(
738                                         struct video_tuner *tun,
739                                         struct file *file,
740                                         v4l2_kioctl drv)
741 {
742         long err;
743         int i;
744         struct v4l2_tuner       tun2;
745         struct v4l2_standard    std2;
746         v4l2_std_id             sid;
747
748         memset(&tun2, 0, sizeof(tun2));
749         err = drv(file, VIDIOC_G_TUNER, &tun2);
750         if (err < 0) {
751                 dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %ld\n", err);
752                 goto done;
753         }
754         memcpy(tun->name, tun2.name,
755                min(sizeof(tun->name), sizeof(tun2.name)));
756         tun->name[sizeof(tun->name) - 1] = 0;
757         tun->rangelow = tun2.rangelow;
758         tun->rangehigh = tun2.rangehigh;
759         tun->flags = 0;
760         tun->mode = VIDEO_MODE_AUTO;
761
762         for (i = 0; i < 64; i++) {
763                 memset(&std2, 0, sizeof(std2));
764                 std2.index = i;
765                 if (0 != drv(file, VIDIOC_ENUMSTD, &std2))
766                         break;
767                 if (std2.id & V4L2_STD_PAL)
768                         tun->flags |= VIDEO_TUNER_PAL;
769                 if (std2.id & V4L2_STD_NTSC)
770                         tun->flags |= VIDEO_TUNER_NTSC;
771                 if (std2.id & V4L2_STD_SECAM)
772                         tun->flags |= VIDEO_TUNER_SECAM;
773         }
774
775         err = drv(file, VIDIOC_G_STD, &sid);
776         if (err < 0)
777                 dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %ld\n", err);
778         if (err == 0) {
779                 if (sid & V4L2_STD_PAL)
780                         tun->mode = VIDEO_MODE_PAL;
781                 if (sid & V4L2_STD_NTSC)
782                         tun->mode = VIDEO_MODE_NTSC;
783                 if (sid & V4L2_STD_SECAM)
784                         tun->mode = VIDEO_MODE_SECAM;
785         }
786
787         if (tun2.capability & V4L2_TUNER_CAP_LOW)
788                 tun->flags |= VIDEO_TUNER_LOW;
789         if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
790                 tun->flags |= VIDEO_TUNER_STEREO_ON;
791         tun->signal = tun2.signal;
792 done:
793         return err;
794 }
795
796 static noinline long v4l1_compat_select_tuner(
797                                         struct video_tuner *tun,
798                                         struct file *file,
799                                         v4l2_kioctl drv)
800 {
801         long err;
802         struct v4l2_tuner       t;/*84 bytes on x86_64*/
803         memset(&t, 0, sizeof(t));
804
805         t.index = tun->tuner;
806
807         err = drv(file, VIDIOC_S_INPUT, &t);
808         if (err < 0)
809                 dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %ld\n", err);
810         return err;
811 }
812
813 static noinline long v4l1_compat_get_frequency(
814                                         unsigned long *freq,
815                                         struct file *file,
816                                         v4l2_kioctl drv)
817 {
818         long err;
819         struct v4l2_frequency   freq2;
820         memset(&freq2, 0, sizeof(freq2));
821
822         freq2.tuner = 0;
823         err = drv(file, VIDIOC_G_FREQUENCY, &freq2);
824         if (err < 0)
825                 dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %ld\n", err);
826         if (0 == err)
827                 *freq = freq2.frequency;
828         return err;
829 }
830
831 static noinline long v4l1_compat_set_frequency(
832                                         unsigned long *freq,
833                                         struct file *file,
834                                         v4l2_kioctl drv)
835 {
836         long err;
837         struct v4l2_frequency   freq2;
838         memset(&freq2, 0, sizeof(freq2));
839
840         drv(file, VIDIOC_G_FREQUENCY, &freq2);
841         freq2.frequency = *freq;
842         err = drv(file, VIDIOC_S_FREQUENCY, &freq2);
843         if (err < 0)
844                 dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %ld\n", err);
845         return err;
846 }
847
848 static noinline long v4l1_compat_get_audio(
849                                         struct video_audio *aud,
850                                         struct file *file,
851                                         v4l2_kioctl drv)
852 {
853         long err;
854         int i;
855         struct v4l2_queryctrl   qctrl2;
856         struct v4l2_audio       aud2;
857         struct v4l2_tuner       tun2;
858         memset(&aud2, 0, sizeof(aud2));
859
860         err = drv(file, VIDIOC_G_AUDIO, &aud2);
861         if (err < 0) {
862                 dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %ld\n", err);
863                 goto done;
864         }
865         memcpy(aud->name, aud2.name,
866                min(sizeof(aud->name), sizeof(aud2.name)));
867         aud->name[sizeof(aud->name) - 1] = 0;
868         aud->audio = aud2.index;
869         aud->flags = 0;
870         i = get_v4l_control(file, V4L2_CID_AUDIO_VOLUME, drv);
871         if (i >= 0) {
872                 aud->volume = i;
873                 aud->flags |= VIDEO_AUDIO_VOLUME;
874         }
875         i = get_v4l_control(file, V4L2_CID_AUDIO_BASS, drv);
876         if (i >= 0) {
877                 aud->bass = i;
878                 aud->flags |= VIDEO_AUDIO_BASS;
879         }
880         i = get_v4l_control(file, V4L2_CID_AUDIO_TREBLE, drv);
881         if (i >= 0) {
882                 aud->treble = i;
883                 aud->flags |= VIDEO_AUDIO_TREBLE;
884         }
885         i = get_v4l_control(file, V4L2_CID_AUDIO_BALANCE, drv);
886         if (i >= 0) {
887                 aud->balance = i;
888                 aud->flags |= VIDEO_AUDIO_BALANCE;
889         }
890         i = get_v4l_control(file, V4L2_CID_AUDIO_MUTE, drv);
891         if (i >= 0) {
892                 if (i)
893                         aud->flags |= VIDEO_AUDIO_MUTE;
894                 aud->flags |= VIDEO_AUDIO_MUTABLE;
895         }
896         aud->step = 1;
897         qctrl2.id = V4L2_CID_AUDIO_VOLUME;
898         if (drv(file, VIDIOC_QUERYCTRL, &qctrl2) == 0 &&
899             !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED))
900                 aud->step = qctrl2.step;
901         aud->mode = 0;
902
903         memset(&tun2, 0, sizeof(tun2));
904         err = drv(file, VIDIOC_G_TUNER, &tun2);
905         if (err < 0) {
906                 dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %ld\n", err);
907                 err = 0;
908                 goto done;
909         }
910
911         if (tun2.rxsubchans & V4L2_TUNER_SUB_LANG2)
912                 aud->mode = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
913         else if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
914                 aud->mode = VIDEO_SOUND_STEREO;
915         else if (tun2.rxsubchans & V4L2_TUNER_SUB_MONO)
916                 aud->mode = VIDEO_SOUND_MONO;
917 done:
918         return err;
919 }
920
921 static noinline long v4l1_compat_set_audio(
922                                         struct video_audio *aud,
923                                         struct file *file,
924                                         v4l2_kioctl drv)
925 {
926         long err;
927         struct v4l2_audio       aud2;
928         struct v4l2_tuner       tun2;
929
930         memset(&aud2, 0, sizeof(aud2));
931         memset(&tun2, 0, sizeof(tun2));
932
933         aud2.index = aud->audio;
934         err = drv(file, VIDIOC_S_AUDIO, &aud2);
935         if (err < 0) {
936                 dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %ld\n", err);
937                 goto done;
938         }
939
940         set_v4l_control(file, V4L2_CID_AUDIO_VOLUME,
941                         aud->volume, drv);
942         set_v4l_control(file, V4L2_CID_AUDIO_BASS,
943                         aud->bass, drv);
944         set_v4l_control(file, V4L2_CID_AUDIO_TREBLE,
945                         aud->treble, drv);
946         set_v4l_control(file, V4L2_CID_AUDIO_BALANCE,
947                         aud->balance, drv);
948         set_v4l_control(file, V4L2_CID_AUDIO_MUTE,
949                         !!(aud->flags & VIDEO_AUDIO_MUTE), drv);
950
951         err = drv(file, VIDIOC_G_TUNER, &tun2);
952         if (err < 0)
953                 dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %ld\n", err);
954         if (err == 0) {
955                 switch (aud->mode) {
956                 default:
957                 case VIDEO_SOUND_MONO:
958                 case VIDEO_SOUND_LANG1:
959                         tun2.audmode = V4L2_TUNER_MODE_MONO;
960                         break;
961                 case VIDEO_SOUND_STEREO:
962                         tun2.audmode = V4L2_TUNER_MODE_STEREO;
963                         break;
964                 case VIDEO_SOUND_LANG2:
965                         tun2.audmode = V4L2_TUNER_MODE_LANG2;
966                         break;
967                 }
968                 err = drv(file, VIDIOC_S_TUNER, &tun2);
969                 if (err < 0)
970                         dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %ld\n", err);
971         }
972         err = 0;
973 done:
974         return err;
975 }
976
977 static noinline long v4l1_compat_capture_frame(
978                                         struct video_mmap *mm,
979                                         struct file *file,
980                                         v4l2_kioctl drv)
981 {
982         long err;
983         enum v4l2_buf_type      captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
984         struct v4l2_buffer      buf;
985         struct v4l2_format      *fmt;
986
987         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
988         if (!fmt) {
989                 err = -ENOMEM;
990                 return err;
991         }
992         memset(&buf, 0, sizeof(buf));
993
994         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
995         err = drv(file, VIDIOC_G_FMT, fmt);
996         if (err < 0) {
997                 dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %ld\n", err);
998                 goto done;
999         }
1000         if (mm->width   != fmt->fmt.pix.width  ||
1001             mm->height  != fmt->fmt.pix.height ||
1002             palette_to_pixelformat(mm->format) !=
1003             fmt->fmt.pix.pixelformat) {
1004                 /* New capture format...  */
1005                 fmt->fmt.pix.width = mm->width;
1006                 fmt->fmt.pix.height = mm->height;
1007                 fmt->fmt.pix.pixelformat =
1008                         palette_to_pixelformat(mm->format);
1009                 fmt->fmt.pix.field = V4L2_FIELD_ANY;
1010                 fmt->fmt.pix.bytesperline = 0;
1011                 err = drv(file, VIDIOC_S_FMT, fmt);
1012                 if (err < 0) {
1013                         dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %ld\n", err);
1014                         goto done;
1015                 }
1016         }
1017         buf.index = mm->frame;
1018         buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1019         err = drv(file, VIDIOC_QUERYBUF, &buf);
1020         if (err < 0) {
1021                 dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %ld\n", err);
1022                 goto done;
1023         }
1024         err = drv(file, VIDIOC_QBUF, &buf);
1025         if (err < 0) {
1026                 dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %ld\n", err);
1027                 goto done;
1028         }
1029         err = drv(file, VIDIOC_STREAMON, &captype);
1030         if (err < 0)
1031                 dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %ld\n", err);
1032 done:
1033         kfree(fmt);
1034         return err;
1035 }
1036
1037 static noinline long v4l1_compat_sync(
1038                                 int *i,
1039                                 struct file *file,
1040                                 v4l2_kioctl drv)
1041 {
1042         long err;
1043         enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1044         struct v4l2_buffer buf;
1045         struct poll_wqueues *pwq;
1046
1047         memset(&buf, 0, sizeof(buf));
1048         buf.index = *i;
1049         buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1050         err = drv(file, VIDIOC_QUERYBUF, &buf);
1051         if (err < 0) {
1052                 /*  No such buffer */
1053                 dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %ld\n", err);
1054                 goto done;
1055         }
1056         if (!(buf.flags & V4L2_BUF_FLAG_MAPPED)) {
1057                 /* Buffer is not mapped  */
1058                 err = -EINVAL;
1059                 goto done;
1060         }
1061
1062         /* make sure capture actually runs so we don't block forever */
1063         err = drv(file, VIDIOC_STREAMON, &captype);
1064         if (err < 0) {
1065                 dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %ld\n", err);
1066                 goto done;
1067         }
1068
1069         pwq = kmalloc(sizeof(*pwq), GFP_KERNEL);
1070         /*  Loop as long as the buffer is queued, but not done  */
1071         while ((buf.flags & (V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE))
1072                                                 == V4L2_BUF_FLAG_QUEUED) {
1073                 err = poll_one(file, pwq);
1074                 if (err < 0 ||  /* error or sleep was interrupted  */
1075                     err == 0)   /* timeout? Shouldn't occur.  */
1076                         break;
1077                 err = drv(file, VIDIOC_QUERYBUF, &buf);
1078                 if (err < 0)
1079                         dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %ld\n", err);
1080         }
1081         kfree(pwq);
1082         if (!(buf.flags & V4L2_BUF_FLAG_DONE)) /* not done */
1083                 goto done;
1084         do {
1085                 err = drv(file, VIDIOC_DQBUF, &buf);
1086                 if (err < 0)
1087                         dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %ld\n", err);
1088         } while (err == 0 && buf.index != *i);
1089 done:
1090         return err;
1091 }
1092
1093 static noinline long v4l1_compat_get_vbi_format(
1094                                 struct vbi_format *fmt,
1095                                 struct file *file,
1096                                 v4l2_kioctl drv)
1097 {
1098         long err;
1099         struct v4l2_format *fmt2;
1100
1101         fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL);
1102         if (!fmt2) {
1103                 err = -ENOMEM;
1104                 return err;
1105         }
1106         fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1107
1108         err = drv(file, VIDIOC_G_FMT, fmt2);
1109         if (err < 0) {
1110                 dprintk("VIDIOCGVBIFMT / VIDIOC_G_FMT: %ld\n", err);
1111                 goto done;
1112         }
1113         if (fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY) {
1114                 err = -EINVAL;
1115                 goto done;
1116         }
1117         memset(fmt, 0, sizeof(*fmt));
1118         fmt->samples_per_line = fmt2->fmt.vbi.samples_per_line;
1119         fmt->sampling_rate    = fmt2->fmt.vbi.sampling_rate;
1120         fmt->sample_format    = VIDEO_PALETTE_RAW;
1121         fmt->start[0]         = fmt2->fmt.vbi.start[0];
1122         fmt->count[0]         = fmt2->fmt.vbi.count[0];
1123         fmt->start[1]         = fmt2->fmt.vbi.start[1];
1124         fmt->count[1]         = fmt2->fmt.vbi.count[1];
1125         fmt->flags            = fmt2->fmt.vbi.flags & 0x03;
1126 done:
1127         kfree(fmt2);
1128         return err;
1129 }
1130
1131 static noinline long v4l1_compat_set_vbi_format(
1132                                 struct vbi_format *fmt,
1133                                 struct file *file,
1134                                 v4l2_kioctl drv)
1135 {
1136         long err;
1137         struct v4l2_format      *fmt2 = NULL;
1138
1139         if (VIDEO_PALETTE_RAW != fmt->sample_format) {
1140                 err = -EINVAL;
1141                 return err;
1142         }
1143
1144         fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL);
1145         if (!fmt2) {
1146                 err = -ENOMEM;
1147                 return err;
1148         }
1149         fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1150         fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line;
1151         fmt2->fmt.vbi.sampling_rate    = fmt->sampling_rate;
1152         fmt2->fmt.vbi.sample_format    = V4L2_PIX_FMT_GREY;
1153         fmt2->fmt.vbi.start[0]         = fmt->start[0];
1154         fmt2->fmt.vbi.count[0]         = fmt->count[0];
1155         fmt2->fmt.vbi.start[1]         = fmt->start[1];
1156         fmt2->fmt.vbi.count[1]         = fmt->count[1];
1157         fmt2->fmt.vbi.flags            = fmt->flags;
1158         err = drv(file, VIDIOC_TRY_FMT, fmt2);
1159         if (err < 0) {
1160                 dprintk("VIDIOCSVBIFMT / VIDIOC_TRY_FMT: %ld\n", err);
1161                 goto done;
1162         }
1163
1164         if (fmt2->fmt.vbi.samples_per_line != fmt->samples_per_line ||
1165             fmt2->fmt.vbi.sampling_rate    != fmt->sampling_rate    ||
1166             fmt2->fmt.vbi.sample_format    != V4L2_PIX_FMT_GREY     ||
1167             fmt2->fmt.vbi.start[0]         != fmt->start[0]         ||
1168             fmt2->fmt.vbi.count[0]         != fmt->count[0]         ||
1169             fmt2->fmt.vbi.start[1]         != fmt->start[1]         ||
1170             fmt2->fmt.vbi.count[1]         != fmt->count[1]         ||
1171             fmt2->fmt.vbi.flags            != fmt->flags) {
1172                 err = -EINVAL;
1173                 goto done;
1174         }
1175         err = drv(file, VIDIOC_S_FMT, fmt2);
1176         if (err < 0)
1177                 dprintk("VIDIOCSVBIFMT / VIDIOC_S_FMT: %ld\n", err);
1178 done:
1179         kfree(fmt2);
1180         return err;
1181 }
1182
1183 /*
1184  *      This function is exported.
1185  */
1186 long
1187 v4l_compat_translate_ioctl(struct file          *file,
1188                            int                  cmd,
1189                            void                 *arg,
1190                            v4l2_kioctl          drv)
1191 {
1192         long err;
1193
1194         switch (cmd) {
1195         case VIDIOCGCAP:        /* capability */
1196                 err = v4l1_compat_get_capabilities(arg, file, drv);
1197                 break;
1198         case VIDIOCGFBUF: /*  get frame buffer  */
1199                 err = v4l1_compat_get_frame_buffer(arg, file, drv);
1200                 break;
1201         case VIDIOCSFBUF: /*  set frame buffer  */
1202                 err = v4l1_compat_set_frame_buffer(arg, file, drv);
1203                 break;
1204         case VIDIOCGWIN: /*  get window or capture dimensions  */
1205                 err = v4l1_compat_get_win_cap_dimensions(arg, file, drv);
1206                 break;
1207         case VIDIOCSWIN: /*  set window and/or capture dimensions  */
1208                 err = v4l1_compat_set_win_cap_dimensions(arg, file, drv);
1209                 break;
1210         case VIDIOCCAPTURE: /*  turn on/off preview  */
1211                 err = v4l1_compat_turn_preview_on_off(arg, file, drv);
1212                 break;
1213         case VIDIOCGCHAN: /*  get input information  */
1214                 err = v4l1_compat_get_input_info(arg, file, drv);
1215                 break;
1216         case VIDIOCSCHAN: /*  set input  */
1217                 err = v4l1_compat_set_input(arg, file, drv);
1218                 break;
1219         case VIDIOCGPICT: /*  get tone controls & partial capture format  */
1220                 err = v4l1_compat_get_picture(arg, file, drv);
1221                 break;
1222         case VIDIOCSPICT: /*  set tone controls & partial capture format  */
1223                 err = v4l1_compat_set_picture(arg, file, drv);
1224                 break;
1225         case VIDIOCGTUNER: /*  get tuner information  */
1226                 err = v4l1_compat_get_tuner(arg, file, drv);
1227                 break;
1228         case VIDIOCSTUNER: /*  select a tuner input  */
1229                 err = v4l1_compat_select_tuner(arg, file, drv);
1230                 break;
1231         case VIDIOCGFREQ: /*  get frequency  */
1232                 err = v4l1_compat_get_frequency(arg, file, drv);
1233                 break;
1234         case VIDIOCSFREQ: /*  set frequency  */
1235                 err = v4l1_compat_set_frequency(arg, file, drv);
1236                 break;
1237         case VIDIOCGAUDIO: /*  get audio properties/controls  */
1238                 err = v4l1_compat_get_audio(arg, file, drv);
1239                 break;
1240         case VIDIOCSAUDIO: /*  set audio controls  */
1241                 err = v4l1_compat_set_audio(arg, file, drv);
1242                 break;
1243         case VIDIOCMCAPTURE: /*  capture a frame  */
1244                 err = v4l1_compat_capture_frame(arg, file, drv);
1245                 break;
1246         case VIDIOCSYNC: /*  wait for a frame  */
1247                 err = v4l1_compat_sync(arg, file, drv);
1248                 break;
1249         case VIDIOCGVBIFMT: /* query VBI data capture format */
1250                 err = v4l1_compat_get_vbi_format(arg, file, drv);
1251                 break;
1252         case VIDIOCSVBIFMT:
1253                 err = v4l1_compat_set_vbi_format(arg, file, drv);
1254                 break;
1255         default:
1256                 err = -ENOIOCTLCMD;
1257                 break;
1258         }
1259
1260         return err;
1261 }
1262 EXPORT_SYMBOL(v4l_compat_translate_ioctl);
1263
1264 /*
1265  * Local variables:
1266  * c-basic-offset: 8
1267  * End:
1268  */