Merge branches 'x86/apic', 'x86/cleanups', 'x86/cpufeature', 'x86/crashdump', 'x86...
[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                 set_current_state(TASK_INTERRUPTIBLE);
207                 mask = file->f_op->poll(file, table);
208                 if (mask & POLLIN)
209                         break;
210                 table = NULL;
211                 if (signal_pending(current)) {
212                         retval = -ERESTARTSYS;
213                         break;
214                 }
215                 schedule();
216         }
217         set_current_state(TASK_RUNNING);
218         poll_freewait(pwq);
219         return retval;
220 }
221
222 static int count_inputs(
223                         struct file *file,
224                         v4l2_kioctl drv)
225 {
226         struct v4l2_input input2;
227         int i;
228
229         for (i = 0;; i++) {
230                 memset(&input2, 0, sizeof(input2));
231                 input2.index = i;
232                 if (0 != drv(file, VIDIOC_ENUMINPUT, &input2))
233                         break;
234         }
235         return i;
236 }
237
238 static int check_size(
239                 struct file *file,
240                 v4l2_kioctl drv,
241                 int *maxw,
242                 int *maxh)
243 {
244         struct v4l2_fmtdesc desc2;
245         struct v4l2_format  fmt2;
246
247         memset(&desc2, 0, sizeof(desc2));
248         memset(&fmt2, 0, sizeof(fmt2));
249
250         desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
251         if (0 != drv(file, VIDIOC_ENUM_FMT, &desc2))
252                 goto done;
253
254         fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
255         fmt2.fmt.pix.width       = 10000;
256         fmt2.fmt.pix.height      = 10000;
257         fmt2.fmt.pix.pixelformat = desc2.pixelformat;
258         if (0 != drv(file, VIDIOC_TRY_FMT, &fmt2))
259                 goto done;
260
261         *maxw = fmt2.fmt.pix.width;
262         *maxh = fmt2.fmt.pix.height;
263
264 done:
265         return 0;
266 }
267
268 /* ----------------------------------------------------------------- */
269
270 static noinline int v4l1_compat_get_capabilities(
271                                         struct video_capability *cap,
272                                         struct file *file,
273                                         v4l2_kioctl drv)
274 {
275         int err;
276         struct v4l2_framebuffer fbuf;
277         struct v4l2_capability *cap2;
278
279         cap2 = kzalloc(sizeof(*cap2), GFP_KERNEL);
280         if (!cap2) {
281                 err = -ENOMEM;
282                 return err;
283         }
284         memset(cap, 0, sizeof(*cap));
285         memset(&fbuf, 0, sizeof(fbuf));
286
287         err = drv(file, VIDIOC_QUERYCAP, cap2);
288         if (err < 0) {
289                 dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %d\n", err);
290                 goto done;
291         }
292         if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) {
293                 err = drv(file, VIDIOC_G_FBUF, &fbuf);
294                 if (err < 0) {
295                         dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %d\n", err);
296                         memset(&fbuf, 0, sizeof(fbuf));
297                 }
298                 err = 0;
299         }
300
301         memcpy(cap->name, cap2->card,
302                min(sizeof(cap->name), sizeof(cap2->card)));
303         cap->name[sizeof(cap->name) - 1] = 0;
304         if (cap2->capabilities & V4L2_CAP_VIDEO_CAPTURE)
305                 cap->type |= VID_TYPE_CAPTURE;
306         if (cap2->capabilities & V4L2_CAP_TUNER)
307                 cap->type |= VID_TYPE_TUNER;
308         if (cap2->capabilities & V4L2_CAP_VBI_CAPTURE)
309                 cap->type |= VID_TYPE_TELETEXT;
310         if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY)
311                 cap->type |= VID_TYPE_OVERLAY;
312         if (fbuf.capability & V4L2_FBUF_CAP_LIST_CLIPPING)
313                 cap->type |= VID_TYPE_CLIPPING;
314
315         cap->channels  = count_inputs(file, drv);
316         check_size(file, drv,
317                    &cap->maxwidth, &cap->maxheight);
318         cap->audios    =  0; /* FIXME */
319         cap->minwidth  = 48; /* FIXME */
320         cap->minheight = 32; /* FIXME */
321
322 done:
323         kfree(cap2);
324         return err;
325 }
326
327 static noinline int v4l1_compat_get_frame_buffer(
328                                         struct video_buffer *buffer,
329                                         struct file *file,
330                                         v4l2_kioctl drv)
331 {
332         int err;
333         struct v4l2_framebuffer fbuf;
334
335         memset(buffer, 0, sizeof(*buffer));
336         memset(&fbuf, 0, sizeof(fbuf));
337
338         err = drv(file, VIDIOC_G_FBUF, &fbuf);
339         if (err < 0) {
340                 dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n", err);
341                 goto done;
342         }
343         buffer->base   = fbuf.base;
344         buffer->height = fbuf.fmt.height;
345         buffer->width  = fbuf.fmt.width;
346
347         switch (fbuf.fmt.pixelformat) {
348         case V4L2_PIX_FMT_RGB332:
349                 buffer->depth = 8;
350                 break;
351         case V4L2_PIX_FMT_RGB555:
352                 buffer->depth = 15;
353                 break;
354         case V4L2_PIX_FMT_RGB565:
355                 buffer->depth = 16;
356                 break;
357         case V4L2_PIX_FMT_BGR24:
358                 buffer->depth = 24;
359                 break;
360         case V4L2_PIX_FMT_BGR32:
361                 buffer->depth = 32;
362                 break;
363         default:
364                 buffer->depth = 0;
365         }
366         if (fbuf.fmt.bytesperline) {
367                 buffer->bytesperline = fbuf.fmt.bytesperline;
368                 if (!buffer->depth && buffer->width)
369                         buffer->depth   = ((fbuf.fmt.bytesperline<<3)
370                                           + (buffer->width-1))
371                                           / buffer->width;
372         } else {
373                 buffer->bytesperline =
374                         (buffer->width * buffer->depth + 7) & 7;
375                 buffer->bytesperline >>= 3;
376         }
377 done:
378         return err;
379 }
380
381 static noinline int v4l1_compat_set_frame_buffer(
382                                         struct video_buffer *buffer,
383                                         struct file *file,
384                                         v4l2_kioctl drv)
385 {
386         int err;
387         struct v4l2_framebuffer fbuf;
388
389         memset(&fbuf, 0, sizeof(fbuf));
390         fbuf.base       = buffer->base;
391         fbuf.fmt.height = buffer->height;
392         fbuf.fmt.width  = buffer->width;
393         switch (buffer->depth) {
394         case 8:
395                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB332;
396                 break;
397         case 15:
398                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB555;
399                 break;
400         case 16:
401                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB565;
402                 break;
403         case 24:
404                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR24;
405                 break;
406         case 32:
407                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR32;
408                 break;
409         }
410         fbuf.fmt.bytesperline = buffer->bytesperline;
411         err = drv(file, VIDIOC_S_FBUF, &fbuf);
412         if (err < 0)
413                 dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %d\n", err);
414         return err;
415 }
416
417 static noinline int v4l1_compat_get_win_cap_dimensions(
418                                         struct video_window *win,
419                                         struct file *file,
420                                         v4l2_kioctl drv)
421 {
422         int err;
423         struct v4l2_format *fmt;
424
425         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
426         if (!fmt) {
427                 err = -ENOMEM;
428                 return err;
429         }
430         memset(win, 0, sizeof(*win));
431
432         fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
433         err = drv(file, VIDIOC_G_FMT, fmt);
434         if (err < 0)
435                 dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %d\n", err);
436         if (err == 0) {
437                 win->x         = fmt->fmt.win.w.left;
438                 win->y         = fmt->fmt.win.w.top;
439                 win->width     = fmt->fmt.win.w.width;
440                 win->height    = fmt->fmt.win.w.height;
441                 win->chromakey = fmt->fmt.win.chromakey;
442                 win->clips     = NULL;
443                 win->clipcount = 0;
444                 goto done;
445         }
446
447         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
448         err = drv(file, VIDIOC_G_FMT, fmt);
449         if (err < 0) {
450                 dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %d\n", err);
451                 goto done;
452         }
453         win->x         = 0;
454         win->y         = 0;
455         win->width     = fmt->fmt.pix.width;
456         win->height    = fmt->fmt.pix.height;
457         win->chromakey = 0;
458         win->clips     = NULL;
459         win->clipcount = 0;
460 done:
461         kfree(fmt);
462         return err;
463 }
464
465 static noinline int v4l1_compat_set_win_cap_dimensions(
466                                         struct video_window *win,
467                                         struct file *file,
468                                         v4l2_kioctl drv)
469 {
470         int err, err1, err2;
471         struct v4l2_format *fmt;
472
473         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
474         if (!fmt) {
475                 err = -ENOMEM;
476                 return err;
477         }
478         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
479         drv(file, VIDIOC_STREAMOFF, &fmt->type);
480         err1 = drv(file, VIDIOC_G_FMT, fmt);
481         if (err1 < 0)
482                 dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %d\n", err1);
483         if (err1 == 0) {
484                 fmt->fmt.pix.width  = win->width;
485                 fmt->fmt.pix.height = win->height;
486                 fmt->fmt.pix.field  = V4L2_FIELD_ANY;
487                 fmt->fmt.pix.bytesperline = 0;
488                 err = drv(file, VIDIOC_S_FMT, fmt);
489                 if (err < 0)
490                         dprintk("VIDIOCSWIN / VIDIOC_S_FMT #1: %d\n",
491                                 err);
492                 win->width  = fmt->fmt.pix.width;
493                 win->height = fmt->fmt.pix.height;
494         }
495
496         memset(fmt, 0, sizeof(*fmt));
497         fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
498         fmt->fmt.win.w.left    = win->x;
499         fmt->fmt.win.w.top     = win->y;
500         fmt->fmt.win.w.width   = win->width;
501         fmt->fmt.win.w.height  = win->height;
502         fmt->fmt.win.chromakey = win->chromakey;
503         fmt->fmt.win.clips     = (void __user *)win->clips;
504         fmt->fmt.win.clipcount = win->clipcount;
505         err2 = drv(file, VIDIOC_S_FMT, fmt);
506         if (err2 < 0)
507                 dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %d\n", err2);
508
509         if (err1 != 0 && err2 != 0)
510                 err = err1;
511         else
512                 err = 0;
513         kfree(fmt);
514         return err;
515 }
516
517 static noinline int v4l1_compat_turn_preview_on_off(
518                                         int *on,
519                                         struct file *file,
520                                         v4l2_kioctl drv)
521 {
522         int err;
523         enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
524
525         if (0 == *on) {
526                 /* dirty hack time.  But v4l1 has no STREAMOFF
527                  * equivalent in the API, and this one at
528                  * least comes close ... */
529                 drv(file, VIDIOC_STREAMOFF, &captype);
530         }
531         err = drv(file, VIDIOC_OVERLAY, on);
532         if (err < 0)
533                 dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %d\n", err);
534         return err;
535 }
536
537 static noinline int v4l1_compat_get_input_info(
538                                         struct video_channel *chan,
539                                         struct file *file,
540                                         v4l2_kioctl drv)
541 {
542         int err;
543         struct v4l2_input       input2;
544         v4l2_std_id             sid;
545
546         memset(&input2, 0, sizeof(input2));
547         input2.index = chan->channel;
548         err = drv(file, VIDIOC_ENUMINPUT, &input2);
549         if (err < 0) {
550                 dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: "
551                         "channel=%d err=%d\n", chan->channel, err);
552                 goto done;
553         }
554         chan->channel = input2.index;
555         memcpy(chan->name, input2.name,
556                min(sizeof(chan->name), sizeof(input2.name)));
557         chan->name[sizeof(chan->name) - 1] = 0;
558         chan->tuners = (input2.type == V4L2_INPUT_TYPE_TUNER) ? 1 : 0;
559         chan->flags = (chan->tuners) ? VIDEO_VC_TUNER : 0;
560         switch (input2.type) {
561         case V4L2_INPUT_TYPE_TUNER:
562                 chan->type = VIDEO_TYPE_TV;
563                 break;
564         default:
565         case V4L2_INPUT_TYPE_CAMERA:
566                 chan->type = VIDEO_TYPE_CAMERA;
567                 break;
568         }
569         chan->norm = 0;
570         err = drv(file, VIDIOC_G_STD, &sid);
571         if (err < 0)
572                 dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %d\n", err);
573         if (err == 0) {
574                 if (sid & V4L2_STD_PAL)
575                         chan->norm = VIDEO_MODE_PAL;
576                 if (sid & V4L2_STD_NTSC)
577                         chan->norm = VIDEO_MODE_NTSC;
578                 if (sid & V4L2_STD_SECAM)
579                         chan->norm = VIDEO_MODE_SECAM;
580         }
581 done:
582         return err;
583 }
584
585 static noinline int v4l1_compat_set_input(
586                                         struct video_channel *chan,
587                                         struct file *file,
588                                         v4l2_kioctl drv)
589 {
590         int err;
591         v4l2_std_id sid = 0;
592
593         err = drv(file, VIDIOC_S_INPUT, &chan->channel);
594         if (err < 0)
595                 dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %d\n", err);
596         switch (chan->norm) {
597         case VIDEO_MODE_PAL:
598                 sid = V4L2_STD_PAL;
599                 break;
600         case VIDEO_MODE_NTSC:
601                 sid = V4L2_STD_NTSC;
602                 break;
603         case VIDEO_MODE_SECAM:
604                 sid = V4L2_STD_SECAM;
605                 break;
606         }
607         if (0 != sid) {
608                 err = drv(file, VIDIOC_S_STD, &sid);
609                 if (err < 0)
610                         dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %d\n", err);
611         }
612         return err;
613 }
614
615 static noinline int v4l1_compat_get_picture(
616                                         struct video_picture *pict,
617                                         struct file *file,
618                                         v4l2_kioctl drv)
619 {
620         int err;
621         struct v4l2_format *fmt;
622
623         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
624         if (!fmt) {
625                 err = -ENOMEM;
626                 return err;
627         }
628
629         pict->brightness = get_v4l_control(file,
630                                            V4L2_CID_BRIGHTNESS, drv);
631         pict->hue = get_v4l_control(file,
632                                     V4L2_CID_HUE, drv);
633         pict->contrast = get_v4l_control(file,
634                                          V4L2_CID_CONTRAST, drv);
635         pict->colour = get_v4l_control(file,
636                                        V4L2_CID_SATURATION, drv);
637         pict->whiteness = get_v4l_control(file,
638                                           V4L2_CID_WHITENESS, drv);
639
640         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
641         err = drv(file, VIDIOC_G_FMT, fmt);
642         if (err < 0) {
643                 dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %d\n", err);
644                 goto done;
645         }
646
647         pict->depth   = ((fmt->fmt.pix.bytesperline << 3)
648                          + (fmt->fmt.pix.width - 1))
649                          / fmt->fmt.pix.width;
650         pict->palette = pixelformat_to_palette(
651                 fmt->fmt.pix.pixelformat);
652 done:
653         kfree(fmt);
654         return err;
655 }
656
657 static noinline int v4l1_compat_set_picture(
658                                         struct video_picture *pict,
659                                         struct file *file,
660                                         v4l2_kioctl drv)
661 {
662         int err;
663         struct v4l2_framebuffer fbuf;
664         int mem_err = 0, ovl_err = 0;
665         struct v4l2_format *fmt;
666
667         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
668         if (!fmt) {
669                 err = -ENOMEM;
670                 return err;
671         }
672         memset(&fbuf, 0, sizeof(fbuf));
673
674         set_v4l_control(file,
675                         V4L2_CID_BRIGHTNESS, pict->brightness, drv);
676         set_v4l_control(file,
677                         V4L2_CID_HUE, pict->hue, drv);
678         set_v4l_control(file,
679                         V4L2_CID_CONTRAST, pict->contrast, drv);
680         set_v4l_control(file,
681                         V4L2_CID_SATURATION, pict->colour, drv);
682         set_v4l_control(file,
683                         V4L2_CID_WHITENESS, pict->whiteness, drv);
684         /*
685          * V4L1 uses this ioctl to set both memory capture and overlay
686          * pixel format, while V4L2 has two different ioctls for this.
687          * Some cards may not support one or the other, and may support
688          * different pixel formats for memory vs overlay.
689          */
690
691         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
692         err = drv(file, VIDIOC_G_FMT, fmt);
693         /* If VIDIOC_G_FMT failed, then the driver likely doesn't
694            support memory capture.  Trying to set the memory capture
695            parameters would be pointless.  */
696         if (err < 0) {
697                 dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %d\n", err);
698                 mem_err = -1000;  /* didn't even try */
699         } else if (fmt->fmt.pix.pixelformat !=
700                  palette_to_pixelformat(pict->palette)) {
701                 fmt->fmt.pix.pixelformat = palette_to_pixelformat(
702                         pict->palette);
703                 mem_err = drv(file, VIDIOC_S_FMT, fmt);
704                 if (mem_err < 0)
705                         dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",
706                                 mem_err);
707         }
708
709         err = drv(file, VIDIOC_G_FBUF, &fbuf);
710         /* If VIDIOC_G_FBUF failed, then the driver likely doesn't
711            support overlay.  Trying to set the overlay parameters
712            would be quite pointless.  */
713         if (err < 0) {
714                 dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %d\n", err);
715                 ovl_err = -1000;  /* didn't even try */
716         } else if (fbuf.fmt.pixelformat !=
717                  palette_to_pixelformat(pict->palette)) {
718                 fbuf.fmt.pixelformat = palette_to_pixelformat(
719                         pict->palette);
720                 ovl_err = drv(file, VIDIOC_S_FBUF, &fbuf);
721                 if (ovl_err < 0)
722                         dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",
723                                 ovl_err);
724         }
725         if (ovl_err < 0 && mem_err < 0) {
726                 /* ioctl failed, couldn't set either parameter */
727                 if (mem_err != -1000)
728                         err = mem_err;
729                 else if (ovl_err == -EPERM)
730                         err = 0;
731                 else
732                         err = ovl_err;
733         } else
734                 err = 0;
735         kfree(fmt);
736         return err;
737 }
738
739 static noinline int v4l1_compat_get_tuner(
740                                         struct video_tuner *tun,
741                                         struct file *file,
742                                         v4l2_kioctl drv)
743 {
744         int err, i;
745         struct v4l2_tuner       tun2;
746         struct v4l2_standard    std2;
747         v4l2_std_id             sid;
748
749         memset(&tun2, 0, sizeof(tun2));
750         err = drv(file, VIDIOC_G_TUNER, &tun2);
751         if (err < 0) {
752                 dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %d\n", err);
753                 goto done;
754         }
755         memcpy(tun->name, tun2.name,
756                min(sizeof(tun->name), sizeof(tun2.name)));
757         tun->name[sizeof(tun->name) - 1] = 0;
758         tun->rangelow = tun2.rangelow;
759         tun->rangehigh = tun2.rangehigh;
760         tun->flags = 0;
761         tun->mode = VIDEO_MODE_AUTO;
762
763         for (i = 0; i < 64; i++) {
764                 memset(&std2, 0, sizeof(std2));
765                 std2.index = i;
766                 if (0 != drv(file, VIDIOC_ENUMSTD, &std2))
767                         break;
768                 if (std2.id & V4L2_STD_PAL)
769                         tun->flags |= VIDEO_TUNER_PAL;
770                 if (std2.id & V4L2_STD_NTSC)
771                         tun->flags |= VIDEO_TUNER_NTSC;
772                 if (std2.id & V4L2_STD_SECAM)
773                         tun->flags |= VIDEO_TUNER_SECAM;
774         }
775
776         err = drv(file, VIDIOC_G_STD, &sid);
777         if (err < 0)
778                 dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %d\n", err);
779         if (err == 0) {
780                 if (sid & V4L2_STD_PAL)
781                         tun->mode = VIDEO_MODE_PAL;
782                 if (sid & V4L2_STD_NTSC)
783                         tun->mode = VIDEO_MODE_NTSC;
784                 if (sid & V4L2_STD_SECAM)
785                         tun->mode = VIDEO_MODE_SECAM;
786         }
787
788         if (tun2.capability & V4L2_TUNER_CAP_LOW)
789                 tun->flags |= VIDEO_TUNER_LOW;
790         if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
791                 tun->flags |= VIDEO_TUNER_STEREO_ON;
792         tun->signal = tun2.signal;
793 done:
794         return err;
795 }
796
797 static noinline int v4l1_compat_select_tuner(
798                                         struct video_tuner *tun,
799                                         struct file *file,
800                                         v4l2_kioctl drv)
801 {
802         int err;
803         struct v4l2_tuner       t;/*84 bytes on x86_64*/
804         memset(&t, 0, sizeof(t));
805
806         t.index = tun->tuner;
807
808         err = drv(file, VIDIOC_S_INPUT, &t);
809         if (err < 0)
810                 dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %d\n", err);
811         return err;
812 }
813
814 static noinline int v4l1_compat_get_frequency(
815                                         unsigned long *freq,
816                                         struct file *file,
817                                         v4l2_kioctl drv)
818 {
819         int err;
820         struct v4l2_frequency   freq2;
821         memset(&freq2, 0, sizeof(freq2));
822
823         freq2.tuner = 0;
824         err = drv(file, VIDIOC_G_FREQUENCY, &freq2);
825         if (err < 0)
826                 dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %d\n", err);
827         if (0 == err)
828                 *freq = freq2.frequency;
829         return err;
830 }
831
832 static noinline int v4l1_compat_set_frequency(
833                                         unsigned long *freq,
834                                         struct file *file,
835                                         v4l2_kioctl drv)
836 {
837         int err;
838         struct v4l2_frequency   freq2;
839         memset(&freq2, 0, sizeof(freq2));
840
841         drv(file, VIDIOC_G_FREQUENCY, &freq2);
842         freq2.frequency = *freq;
843         err = drv(file, VIDIOC_S_FREQUENCY, &freq2);
844         if (err < 0)
845                 dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %d\n", err);
846         return err;
847 }
848
849 static noinline int v4l1_compat_get_audio(
850                                         struct video_audio *aud,
851                                         struct file *file,
852                                         v4l2_kioctl drv)
853 {
854         int err, 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: %d\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: %d\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 int v4l1_compat_set_audio(
922                                         struct video_audio *aud,
923                                         struct file *file,
924                                         v4l2_kioctl drv)
925 {
926         int 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: %d\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: %d\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: %d\n", err);
971         }
972         err = 0;
973 done:
974         return err;
975 }
976
977 static noinline int v4l1_compat_capture_frame(
978                                         struct video_mmap *mm,
979                                         struct file *file,
980                                         v4l2_kioctl drv)
981 {
982         int 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: %d\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: %d\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: %d\n", err);
1022                 goto done;
1023         }
1024         err = drv(file, VIDIOC_QBUF, &buf);
1025         if (err < 0) {
1026                 dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %d\n", err);
1027                 goto done;
1028         }
1029         err = drv(file, VIDIOC_STREAMON, &captype);
1030         if (err < 0)
1031                 dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %d\n", err);
1032 done:
1033         kfree(fmt);
1034         return err;
1035 }
1036
1037 static noinline int v4l1_compat_sync(
1038                                 int *i,
1039                                 struct file *file,
1040                                 v4l2_kioctl drv)
1041 {
1042         int 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: %d\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: %d\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: %d\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: %d\n", err);
1088         } while (err == 0 && buf.index != *i);
1089 done:
1090         return err;
1091 }
1092
1093 static noinline int v4l1_compat_get_vbi_format(
1094                                 struct vbi_format *fmt,
1095                                 struct file *file,
1096                                 v4l2_kioctl drv)
1097 {
1098         int 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: %d\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 int v4l1_compat_set_vbi_format(
1132                                 struct vbi_format *fmt,
1133                                 struct file *file,
1134                                 v4l2_kioctl drv)
1135 {
1136         int 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: %d\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: %d\n", err);
1178 done:
1179         kfree(fmt2);
1180         return err;
1181 }
1182
1183 /*
1184  *      This function is exported.
1185  */
1186 int
1187 v4l_compat_translate_ioctl(struct file          *file,
1188                            int                  cmd,
1189                            void                 *arg,
1190                            v4l2_kioctl          drv)
1191 {
1192         int 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  */