Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
[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 long v4l1_compat_get_capabilities(
271                                         struct video_capability *cap,
272                                         struct file *file,
273                                         v4l2_kioctl drv)
274 {
275         long 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: %ld\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: %ld\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 long v4l1_compat_get_frame_buffer(
328                                         struct video_buffer *buffer,
329                                         struct file *file,
330                                         v4l2_kioctl drv)
331 {
332         long 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: %ld\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 long v4l1_compat_set_frame_buffer(
382                                         struct video_buffer *buffer,
383                                         struct file *file,
384                                         v4l2_kioctl drv)
385 {
386         long 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: %ld\n", err);
414         return err;
415 }
416
417 static noinline long v4l1_compat_get_win_cap_dimensions(
418                                         struct video_window *win,
419                                         struct file *file,
420                                         v4l2_kioctl drv)
421 {
422         long 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: %ld\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: %ld\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 long v4l1_compat_set_win_cap_dimensions(
466                                         struct video_window *win,
467                                         struct file *file,
468                                         v4l2_kioctl drv)
469 {
470         long 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: %ld\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: %ld\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: %ld\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 long v4l1_compat_turn_preview_on_off(
518                                         int *on,
519                                         struct file *file,
520                                         v4l2_kioctl drv)
521 {
522         long 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: %ld\n", err);
534         return err;
535 }
536
537 static noinline long v4l1_compat_get_input_info(
538                                         struct video_channel *chan,
539                                         struct file *file,
540                                         v4l2_kioctl drv)
541 {
542         long 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=%ld\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: %ld\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 long v4l1_compat_set_input(
586                                         struct video_channel *chan,
587                                         struct file *file,
588                                         v4l2_kioctl drv)
589 {
590         long 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: %ld\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: %ld\n", err);
611         }
612         return err;
613 }
614
615 static noinline long v4l1_compat_get_picture(
616                                         struct video_picture *pict,
617                                         struct file *file,
618                                         v4l2_kioctl drv)
619 {
620         long 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: %ld\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 long v4l1_compat_set_picture(
658                                         struct video_picture *pict,
659                                         struct file *file,
660                                         v4l2_kioctl drv)
661 {
662         long 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: %ld\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: %ld\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 long v4l1_compat_get_tuner(
740                                         struct video_tuner *tun,
741                                         struct file *file,
742                                         v4l2_kioctl drv)
743 {
744         long err;
745         int i;
746         struct v4l2_tuner       tun2;
747         struct v4l2_standard    std2;
748         v4l2_std_id             sid;
749
750         memset(&tun2, 0, sizeof(tun2));
751         err = drv(file, VIDIOC_G_TUNER, &tun2);
752         if (err < 0) {
753                 dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %ld\n", err);
754                 goto done;
755         }
756         memcpy(tun->name, tun2.name,
757                min(sizeof(tun->name), sizeof(tun2.name)));
758         tun->name[sizeof(tun->name) - 1] = 0;
759         tun->rangelow = tun2.rangelow;
760         tun->rangehigh = tun2.rangehigh;
761         tun->flags = 0;
762         tun->mode = VIDEO_MODE_AUTO;
763
764         for (i = 0; i < 64; i++) {
765                 memset(&std2, 0, sizeof(std2));
766                 std2.index = i;
767                 if (0 != drv(file, VIDIOC_ENUMSTD, &std2))
768                         break;
769                 if (std2.id & V4L2_STD_PAL)
770                         tun->flags |= VIDEO_TUNER_PAL;
771                 if (std2.id & V4L2_STD_NTSC)
772                         tun->flags |= VIDEO_TUNER_NTSC;
773                 if (std2.id & V4L2_STD_SECAM)
774                         tun->flags |= VIDEO_TUNER_SECAM;
775         }
776
777         err = drv(file, VIDIOC_G_STD, &sid);
778         if (err < 0)
779                 dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %ld\n", err);
780         if (err == 0) {
781                 if (sid & V4L2_STD_PAL)
782                         tun->mode = VIDEO_MODE_PAL;
783                 if (sid & V4L2_STD_NTSC)
784                         tun->mode = VIDEO_MODE_NTSC;
785                 if (sid & V4L2_STD_SECAM)
786                         tun->mode = VIDEO_MODE_SECAM;
787         }
788
789         if (tun2.capability & V4L2_TUNER_CAP_LOW)
790                 tun->flags |= VIDEO_TUNER_LOW;
791         if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
792                 tun->flags |= VIDEO_TUNER_STEREO_ON;
793         tun->signal = tun2.signal;
794 done:
795         return err;
796 }
797
798 static noinline long v4l1_compat_select_tuner(
799                                         struct video_tuner *tun,
800                                         struct file *file,
801                                         v4l2_kioctl drv)
802 {
803         long err;
804         struct v4l2_tuner       t;/*84 bytes on x86_64*/
805         memset(&t, 0, sizeof(t));
806
807         t.index = tun->tuner;
808
809         err = drv(file, VIDIOC_S_INPUT, &t);
810         if (err < 0)
811                 dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %ld\n", err);
812         return err;
813 }
814
815 static noinline long v4l1_compat_get_frequency(
816                                         unsigned long *freq,
817                                         struct file *file,
818                                         v4l2_kioctl drv)
819 {
820         long err;
821         struct v4l2_frequency   freq2;
822         memset(&freq2, 0, sizeof(freq2));
823
824         freq2.tuner = 0;
825         err = drv(file, VIDIOC_G_FREQUENCY, &freq2);
826         if (err < 0)
827                 dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %ld\n", err);
828         if (0 == err)
829                 *freq = freq2.frequency;
830         return err;
831 }
832
833 static noinline long v4l1_compat_set_frequency(
834                                         unsigned long *freq,
835                                         struct file *file,
836                                         v4l2_kioctl drv)
837 {
838         long err;
839         struct v4l2_frequency   freq2;
840         memset(&freq2, 0, sizeof(freq2));
841
842         drv(file, VIDIOC_G_FREQUENCY, &freq2);
843         freq2.frequency = *freq;
844         err = drv(file, VIDIOC_S_FREQUENCY, &freq2);
845         if (err < 0)
846                 dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %ld\n", err);
847         return err;
848 }
849
850 static noinline long v4l1_compat_get_audio(
851                                         struct video_audio *aud,
852                                         struct file *file,
853                                         v4l2_kioctl drv)
854 {
855         long err;
856         int i;
857         struct v4l2_queryctrl   qctrl2;
858         struct v4l2_audio       aud2;
859         struct v4l2_tuner       tun2;
860         memset(&aud2, 0, sizeof(aud2));
861
862         err = drv(file, VIDIOC_G_AUDIO, &aud2);
863         if (err < 0) {
864                 dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %ld\n", err);
865                 goto done;
866         }
867         memcpy(aud->name, aud2.name,
868                min(sizeof(aud->name), sizeof(aud2.name)));
869         aud->name[sizeof(aud->name) - 1] = 0;
870         aud->audio = aud2.index;
871         aud->flags = 0;
872         i = get_v4l_control(file, V4L2_CID_AUDIO_VOLUME, drv);
873         if (i >= 0) {
874                 aud->volume = i;
875                 aud->flags |= VIDEO_AUDIO_VOLUME;
876         }
877         i = get_v4l_control(file, V4L2_CID_AUDIO_BASS, drv);
878         if (i >= 0) {
879                 aud->bass = i;
880                 aud->flags |= VIDEO_AUDIO_BASS;
881         }
882         i = get_v4l_control(file, V4L2_CID_AUDIO_TREBLE, drv);
883         if (i >= 0) {
884                 aud->treble = i;
885                 aud->flags |= VIDEO_AUDIO_TREBLE;
886         }
887         i = get_v4l_control(file, V4L2_CID_AUDIO_BALANCE, drv);
888         if (i >= 0) {
889                 aud->balance = i;
890                 aud->flags |= VIDEO_AUDIO_BALANCE;
891         }
892         i = get_v4l_control(file, V4L2_CID_AUDIO_MUTE, drv);
893         if (i >= 0) {
894                 if (i)
895                         aud->flags |= VIDEO_AUDIO_MUTE;
896                 aud->flags |= VIDEO_AUDIO_MUTABLE;
897         }
898         aud->step = 1;
899         qctrl2.id = V4L2_CID_AUDIO_VOLUME;
900         if (drv(file, VIDIOC_QUERYCTRL, &qctrl2) == 0 &&
901             !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED))
902                 aud->step = qctrl2.step;
903         aud->mode = 0;
904
905         memset(&tun2, 0, sizeof(tun2));
906         err = drv(file, VIDIOC_G_TUNER, &tun2);
907         if (err < 0) {
908                 dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %ld\n", err);
909                 err = 0;
910                 goto done;
911         }
912
913         if (tun2.rxsubchans & V4L2_TUNER_SUB_LANG2)
914                 aud->mode = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
915         else if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
916                 aud->mode = VIDEO_SOUND_STEREO;
917         else if (tun2.rxsubchans & V4L2_TUNER_SUB_MONO)
918                 aud->mode = VIDEO_SOUND_MONO;
919 done:
920         return err;
921 }
922
923 static noinline long v4l1_compat_set_audio(
924                                         struct video_audio *aud,
925                                         struct file *file,
926                                         v4l2_kioctl drv)
927 {
928         long err;
929         struct v4l2_audio       aud2;
930         struct v4l2_tuner       tun2;
931
932         memset(&aud2, 0, sizeof(aud2));
933         memset(&tun2, 0, sizeof(tun2));
934
935         aud2.index = aud->audio;
936         err = drv(file, VIDIOC_S_AUDIO, &aud2);
937         if (err < 0) {
938                 dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %ld\n", err);
939                 goto done;
940         }
941
942         set_v4l_control(file, V4L2_CID_AUDIO_VOLUME,
943                         aud->volume, drv);
944         set_v4l_control(file, V4L2_CID_AUDIO_BASS,
945                         aud->bass, drv);
946         set_v4l_control(file, V4L2_CID_AUDIO_TREBLE,
947                         aud->treble, drv);
948         set_v4l_control(file, V4L2_CID_AUDIO_BALANCE,
949                         aud->balance, drv);
950         set_v4l_control(file, V4L2_CID_AUDIO_MUTE,
951                         !!(aud->flags & VIDEO_AUDIO_MUTE), drv);
952
953         err = drv(file, VIDIOC_G_TUNER, &tun2);
954         if (err < 0)
955                 dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %ld\n", err);
956         if (err == 0) {
957                 switch (aud->mode) {
958                 default:
959                 case VIDEO_SOUND_MONO:
960                 case VIDEO_SOUND_LANG1:
961                         tun2.audmode = V4L2_TUNER_MODE_MONO;
962                         break;
963                 case VIDEO_SOUND_STEREO:
964                         tun2.audmode = V4L2_TUNER_MODE_STEREO;
965                         break;
966                 case VIDEO_SOUND_LANG2:
967                         tun2.audmode = V4L2_TUNER_MODE_LANG2;
968                         break;
969                 }
970                 err = drv(file, VIDIOC_S_TUNER, &tun2);
971                 if (err < 0)
972                         dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %ld\n", err);
973         }
974         err = 0;
975 done:
976         return err;
977 }
978
979 static noinline long v4l1_compat_capture_frame(
980                                         struct video_mmap *mm,
981                                         struct file *file,
982                                         v4l2_kioctl drv)
983 {
984         long err;
985         enum v4l2_buf_type      captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
986         struct v4l2_buffer      buf;
987         struct v4l2_format      *fmt;
988
989         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
990         if (!fmt) {
991                 err = -ENOMEM;
992                 return err;
993         }
994         memset(&buf, 0, sizeof(buf));
995
996         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
997         err = drv(file, VIDIOC_G_FMT, fmt);
998         if (err < 0) {
999                 dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %ld\n", err);
1000                 goto done;
1001         }
1002         if (mm->width   != fmt->fmt.pix.width  ||
1003             mm->height  != fmt->fmt.pix.height ||
1004             palette_to_pixelformat(mm->format) !=
1005             fmt->fmt.pix.pixelformat) {
1006                 /* New capture format...  */
1007                 fmt->fmt.pix.width = mm->width;
1008                 fmt->fmt.pix.height = mm->height;
1009                 fmt->fmt.pix.pixelformat =
1010                         palette_to_pixelformat(mm->format);
1011                 fmt->fmt.pix.field = V4L2_FIELD_ANY;
1012                 fmt->fmt.pix.bytesperline = 0;
1013                 err = drv(file, VIDIOC_S_FMT, fmt);
1014                 if (err < 0) {
1015                         dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %ld\n", err);
1016                         goto done;
1017                 }
1018         }
1019         buf.index = mm->frame;
1020         buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1021         err = drv(file, VIDIOC_QUERYBUF, &buf);
1022         if (err < 0) {
1023                 dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %ld\n", err);
1024                 goto done;
1025         }
1026         err = drv(file, VIDIOC_QBUF, &buf);
1027         if (err < 0) {
1028                 dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %ld\n", err);
1029                 goto done;
1030         }
1031         err = drv(file, VIDIOC_STREAMON, &captype);
1032         if (err < 0)
1033                 dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %ld\n", err);
1034 done:
1035         kfree(fmt);
1036         return err;
1037 }
1038
1039 static noinline long v4l1_compat_sync(
1040                                 int *i,
1041                                 struct file *file,
1042                                 v4l2_kioctl drv)
1043 {
1044         long err;
1045         enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1046         struct v4l2_buffer buf;
1047         struct poll_wqueues *pwq;
1048
1049         memset(&buf, 0, sizeof(buf));
1050         buf.index = *i;
1051         buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1052         err = drv(file, VIDIOC_QUERYBUF, &buf);
1053         if (err < 0) {
1054                 /*  No such buffer */
1055                 dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %ld\n", err);
1056                 goto done;
1057         }
1058         if (!(buf.flags & V4L2_BUF_FLAG_MAPPED)) {
1059                 /* Buffer is not mapped  */
1060                 err = -EINVAL;
1061                 goto done;
1062         }
1063
1064         /* make sure capture actually runs so we don't block forever */
1065         err = drv(file, VIDIOC_STREAMON, &captype);
1066         if (err < 0) {
1067                 dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %ld\n", err);
1068                 goto done;
1069         }
1070
1071         pwq = kmalloc(sizeof(*pwq), GFP_KERNEL);
1072         /*  Loop as long as the buffer is queued, but not done  */
1073         while ((buf.flags & (V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE))
1074                                                 == V4L2_BUF_FLAG_QUEUED) {
1075                 err = poll_one(file, pwq);
1076                 if (err < 0 ||  /* error or sleep was interrupted  */
1077                     err == 0)   /* timeout? Shouldn't occur.  */
1078                         break;
1079                 err = drv(file, VIDIOC_QUERYBUF, &buf);
1080                 if (err < 0)
1081                         dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %ld\n", err);
1082         }
1083         kfree(pwq);
1084         if (!(buf.flags & V4L2_BUF_FLAG_DONE)) /* not done */
1085                 goto done;
1086         do {
1087                 err = drv(file, VIDIOC_DQBUF, &buf);
1088                 if (err < 0)
1089                         dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %ld\n", err);
1090         } while (err == 0 && buf.index != *i);
1091 done:
1092         return err;
1093 }
1094
1095 static noinline long v4l1_compat_get_vbi_format(
1096                                 struct vbi_format *fmt,
1097                                 struct file *file,
1098                                 v4l2_kioctl drv)
1099 {
1100         long err;
1101         struct v4l2_format *fmt2;
1102
1103         fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL);
1104         if (!fmt2) {
1105                 err = -ENOMEM;
1106                 return err;
1107         }
1108         fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1109
1110         err = drv(file, VIDIOC_G_FMT, fmt2);
1111         if (err < 0) {
1112                 dprintk("VIDIOCGVBIFMT / VIDIOC_G_FMT: %ld\n", err);
1113                 goto done;
1114         }
1115         if (fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY) {
1116                 err = -EINVAL;
1117                 goto done;
1118         }
1119         memset(fmt, 0, sizeof(*fmt));
1120         fmt->samples_per_line = fmt2->fmt.vbi.samples_per_line;
1121         fmt->sampling_rate    = fmt2->fmt.vbi.sampling_rate;
1122         fmt->sample_format    = VIDEO_PALETTE_RAW;
1123         fmt->start[0]         = fmt2->fmt.vbi.start[0];
1124         fmt->count[0]         = fmt2->fmt.vbi.count[0];
1125         fmt->start[1]         = fmt2->fmt.vbi.start[1];
1126         fmt->count[1]         = fmt2->fmt.vbi.count[1];
1127         fmt->flags            = fmt2->fmt.vbi.flags & 0x03;
1128 done:
1129         kfree(fmt2);
1130         return err;
1131 }
1132
1133 static noinline long v4l1_compat_set_vbi_format(
1134                                 struct vbi_format *fmt,
1135                                 struct file *file,
1136                                 v4l2_kioctl drv)
1137 {
1138         long err;
1139         struct v4l2_format      *fmt2 = NULL;
1140
1141         if (VIDEO_PALETTE_RAW != fmt->sample_format) {
1142                 err = -EINVAL;
1143                 return err;
1144         }
1145
1146         fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL);
1147         if (!fmt2) {
1148                 err = -ENOMEM;
1149                 return err;
1150         }
1151         fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1152         fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line;
1153         fmt2->fmt.vbi.sampling_rate    = fmt->sampling_rate;
1154         fmt2->fmt.vbi.sample_format    = V4L2_PIX_FMT_GREY;
1155         fmt2->fmt.vbi.start[0]         = fmt->start[0];
1156         fmt2->fmt.vbi.count[0]         = fmt->count[0];
1157         fmt2->fmt.vbi.start[1]         = fmt->start[1];
1158         fmt2->fmt.vbi.count[1]         = fmt->count[1];
1159         fmt2->fmt.vbi.flags            = fmt->flags;
1160         err = drv(file, VIDIOC_TRY_FMT, fmt2);
1161         if (err < 0) {
1162                 dprintk("VIDIOCSVBIFMT / VIDIOC_TRY_FMT: %ld\n", err);
1163                 goto done;
1164         }
1165
1166         if (fmt2->fmt.vbi.samples_per_line != fmt->samples_per_line ||
1167             fmt2->fmt.vbi.sampling_rate    != fmt->sampling_rate    ||
1168             fmt2->fmt.vbi.sample_format    != V4L2_PIX_FMT_GREY     ||
1169             fmt2->fmt.vbi.start[0]         != fmt->start[0]         ||
1170             fmt2->fmt.vbi.count[0]         != fmt->count[0]         ||
1171             fmt2->fmt.vbi.start[1]         != fmt->start[1]         ||
1172             fmt2->fmt.vbi.count[1]         != fmt->count[1]         ||
1173             fmt2->fmt.vbi.flags            != fmt->flags) {
1174                 err = -EINVAL;
1175                 goto done;
1176         }
1177         err = drv(file, VIDIOC_S_FMT, fmt2);
1178         if (err < 0)
1179                 dprintk("VIDIOCSVBIFMT / VIDIOC_S_FMT: %ld\n", err);
1180 done:
1181         kfree(fmt2);
1182         return err;
1183 }
1184
1185 /*
1186  *      This function is exported.
1187  */
1188 long
1189 v4l_compat_translate_ioctl(struct file          *file,
1190                            int                  cmd,
1191                            void                 *arg,
1192                            v4l2_kioctl          drv)
1193 {
1194         long err;
1195
1196         switch (cmd) {
1197         case VIDIOCGCAP:        /* capability */
1198                 err = v4l1_compat_get_capabilities(arg, file, drv);
1199                 break;
1200         case VIDIOCGFBUF: /*  get frame buffer  */
1201                 err = v4l1_compat_get_frame_buffer(arg, file, drv);
1202                 break;
1203         case VIDIOCSFBUF: /*  set frame buffer  */
1204                 err = v4l1_compat_set_frame_buffer(arg, file, drv);
1205                 break;
1206         case VIDIOCGWIN: /*  get window or capture dimensions  */
1207                 err = v4l1_compat_get_win_cap_dimensions(arg, file, drv);
1208                 break;
1209         case VIDIOCSWIN: /*  set window and/or capture dimensions  */
1210                 err = v4l1_compat_set_win_cap_dimensions(arg, file, drv);
1211                 break;
1212         case VIDIOCCAPTURE: /*  turn on/off preview  */
1213                 err = v4l1_compat_turn_preview_on_off(arg, file, drv);
1214                 break;
1215         case VIDIOCGCHAN: /*  get input information  */
1216                 err = v4l1_compat_get_input_info(arg, file, drv);
1217                 break;
1218         case VIDIOCSCHAN: /*  set input  */
1219                 err = v4l1_compat_set_input(arg, file, drv);
1220                 break;
1221         case VIDIOCGPICT: /*  get tone controls & partial capture format  */
1222                 err = v4l1_compat_get_picture(arg, file, drv);
1223                 break;
1224         case VIDIOCSPICT: /*  set tone controls & partial capture format  */
1225                 err = v4l1_compat_set_picture(arg, file, drv);
1226                 break;
1227         case VIDIOCGTUNER: /*  get tuner information  */
1228                 err = v4l1_compat_get_tuner(arg, file, drv);
1229                 break;
1230         case VIDIOCSTUNER: /*  select a tuner input  */
1231                 err = v4l1_compat_select_tuner(arg, file, drv);
1232                 break;
1233         case VIDIOCGFREQ: /*  get frequency  */
1234                 err = v4l1_compat_get_frequency(arg, file, drv);
1235                 break;
1236         case VIDIOCSFREQ: /*  set frequency  */
1237                 err = v4l1_compat_set_frequency(arg, file, drv);
1238                 break;
1239         case VIDIOCGAUDIO: /*  get audio properties/controls  */
1240                 err = v4l1_compat_get_audio(arg, file, drv);
1241                 break;
1242         case VIDIOCSAUDIO: /*  set audio controls  */
1243                 err = v4l1_compat_set_audio(arg, file, drv);
1244                 break;
1245         case VIDIOCMCAPTURE: /*  capture a frame  */
1246                 err = v4l1_compat_capture_frame(arg, file, drv);
1247                 break;
1248         case VIDIOCSYNC: /*  wait for a frame  */
1249                 err = v4l1_compat_sync(arg, file, drv);
1250                 break;
1251         case VIDIOCGVBIFMT: /* query VBI data capture format */
1252                 err = v4l1_compat_get_vbi_format(arg, file, drv);
1253                 break;
1254         case VIDIOCSVBIFMT:
1255                 err = v4l1_compat_set_vbi_format(arg, file, drv);
1256                 break;
1257         default:
1258                 err = -ENOIOCTLCMD;
1259                 break;
1260         }
1261
1262         return err;
1263 }
1264 EXPORT_SYMBOL(v4l_compat_translate_ioctl);
1265
1266 /*
1267  * Local variables:
1268  * c-basic-offset: 8
1269  * End:
1270  */