Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
[linux-2.6.git] / 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 DIV_ROUND_CLOSEST((ctrl2.value-qctrl2.minimum) * 65535,
80                                          qctrl2.maximum - qctrl2.minimum);
81         }
82         return 0;
83 }
84
85 static int
86 set_v4l_control(struct file             *file,
87                 int                     cid,
88                 int                     value,
89                 v4l2_kioctl             drv)
90 {
91         struct v4l2_queryctrl   qctrl2;
92         struct v4l2_control     ctrl2;
93         int                     err;
94
95         qctrl2.id = cid;
96         err = drv(file, VIDIOC_QUERYCTRL, &qctrl2);
97         if (err < 0)
98                 dprintk("VIDIOC_QUERYCTRL: %d\n", err);
99         if (err == 0 &&
100             !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED) &&
101             !(qctrl2.flags & V4L2_CTRL_FLAG_GRABBED)) {
102                 if (value < 0)
103                         value = 0;
104                 if (value > 65535)
105                         value = 65535;
106                 if (value && qctrl2.type == V4L2_CTRL_TYPE_BOOLEAN)
107                         value = 65535;
108                 ctrl2.id = qctrl2.id;
109                 ctrl2.value =
110                         (value * (qctrl2.maximum - qctrl2.minimum)
111                          + 32767)
112                         / 65535;
113                 ctrl2.value += qctrl2.minimum;
114                 err = drv(file, VIDIOC_S_CTRL, &ctrl2);
115                 if (err < 0)
116                         dprintk("VIDIOC_S_CTRL: %d\n", err);
117         }
118         return 0;
119 }
120
121 /* ----------------------------------------------------------------- */
122
123 static const unsigned int palette2pixelformat[] = {
124         [VIDEO_PALETTE_GREY]    = V4L2_PIX_FMT_GREY,
125         [VIDEO_PALETTE_RGB555]  = V4L2_PIX_FMT_RGB555,
126         [VIDEO_PALETTE_RGB565]  = V4L2_PIX_FMT_RGB565,
127         [VIDEO_PALETTE_RGB24]   = V4L2_PIX_FMT_BGR24,
128         [VIDEO_PALETTE_RGB32]   = V4L2_PIX_FMT_BGR32,
129         /* yuv packed pixel */
130         [VIDEO_PALETTE_YUYV]    = V4L2_PIX_FMT_YUYV,
131         [VIDEO_PALETTE_YUV422]  = V4L2_PIX_FMT_YUYV,
132         [VIDEO_PALETTE_UYVY]    = V4L2_PIX_FMT_UYVY,
133         /* yuv planar */
134         [VIDEO_PALETTE_YUV410P] = V4L2_PIX_FMT_YUV410,
135         [VIDEO_PALETTE_YUV420]  = V4L2_PIX_FMT_YUV420,
136         [VIDEO_PALETTE_YUV420P] = V4L2_PIX_FMT_YUV420,
137         [VIDEO_PALETTE_YUV411P] = V4L2_PIX_FMT_YUV411P,
138         [VIDEO_PALETTE_YUV422P] = V4L2_PIX_FMT_YUV422P,
139 };
140
141 static unsigned int __pure
142 palette_to_pixelformat(unsigned int palette)
143 {
144         if (palette < ARRAY_SIZE(palette2pixelformat))
145                 return palette2pixelformat[palette];
146         else
147                 return 0;
148 }
149
150 static unsigned int __attribute_const__
151 pixelformat_to_palette(unsigned int pixelformat)
152 {
153         int     palette = 0;
154         switch (pixelformat) {
155         case V4L2_PIX_FMT_GREY:
156                 palette = VIDEO_PALETTE_GREY;
157                 break;
158         case V4L2_PIX_FMT_RGB555:
159                 palette = VIDEO_PALETTE_RGB555;
160                 break;
161         case V4L2_PIX_FMT_RGB565:
162                 palette = VIDEO_PALETTE_RGB565;
163                 break;
164         case V4L2_PIX_FMT_BGR24:
165                 palette = VIDEO_PALETTE_RGB24;
166                 break;
167         case V4L2_PIX_FMT_BGR32:
168                 palette = VIDEO_PALETTE_RGB32;
169                 break;
170         /* yuv packed pixel */
171         case V4L2_PIX_FMT_YUYV:
172                 palette = VIDEO_PALETTE_YUYV;
173                 break;
174         case V4L2_PIX_FMT_UYVY:
175                 palette = VIDEO_PALETTE_UYVY;
176                 break;
177         /* yuv planar */
178         case V4L2_PIX_FMT_YUV410:
179                 palette = VIDEO_PALETTE_YUV420;
180                 break;
181         case V4L2_PIX_FMT_YUV420:
182                 palette = VIDEO_PALETTE_YUV420;
183                 break;
184         case V4L2_PIX_FMT_YUV411P:
185                 palette = VIDEO_PALETTE_YUV411P;
186                 break;
187         case V4L2_PIX_FMT_YUV422P:
188                 palette = VIDEO_PALETTE_YUV422P;
189                 break;
190         }
191         return palette;
192 }
193
194 /* ----------------------------------------------------------------- */
195
196 static int poll_one(struct file *file, struct poll_wqueues *pwq)
197 {
198         int retval = 1;
199         poll_table *table;
200
201         poll_initwait(pwq);
202         table = &pwq->pt;
203         for (;;) {
204                 int mask;
205                 mask = file->f_op->poll(file, table);
206                 if (mask & POLLIN)
207                         break;
208                 table = NULL;
209                 if (signal_pending(current)) {
210                         retval = -ERESTARTSYS;
211                         break;
212                 }
213                 poll_schedule(pwq, TASK_INTERRUPTIBLE);
214         }
215         poll_freewait(pwq);
216         return retval;
217 }
218
219 static int count_inputs(
220                         struct file *file,
221                         v4l2_kioctl drv)
222 {
223         struct v4l2_input input2;
224         int i;
225
226         for (i = 0;; i++) {
227                 memset(&input2, 0, sizeof(input2));
228                 input2.index = i;
229                 if (0 != drv(file, VIDIOC_ENUMINPUT, &input2))
230                         break;
231         }
232         return i;
233 }
234
235 static int check_size(
236                 struct file *file,
237                 v4l2_kioctl drv,
238                 int *maxw,
239                 int *maxh)
240 {
241         struct v4l2_fmtdesc desc2;
242         struct v4l2_format  fmt2;
243
244         memset(&desc2, 0, sizeof(desc2));
245         memset(&fmt2, 0, sizeof(fmt2));
246
247         desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
248         if (0 != drv(file, VIDIOC_ENUM_FMT, &desc2))
249                 goto done;
250
251         fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
252         fmt2.fmt.pix.width       = 10000;
253         fmt2.fmt.pix.height      = 10000;
254         fmt2.fmt.pix.pixelformat = desc2.pixelformat;
255         if (0 != drv(file, VIDIOC_TRY_FMT, &fmt2))
256                 goto done;
257
258         *maxw = fmt2.fmt.pix.width;
259         *maxh = fmt2.fmt.pix.height;
260
261 done:
262         return 0;
263 }
264
265 /* ----------------------------------------------------------------- */
266
267 static noinline long v4l1_compat_get_capabilities(
268                                         struct video_capability *cap,
269                                         struct file *file,
270                                         v4l2_kioctl drv)
271 {
272         long err;
273         struct v4l2_framebuffer fbuf;
274         struct v4l2_capability *cap2;
275
276         cap2 = kzalloc(sizeof(*cap2), GFP_KERNEL);
277         if (!cap2) {
278                 err = -ENOMEM;
279                 return err;
280         }
281         memset(cap, 0, sizeof(*cap));
282         memset(&fbuf, 0, sizeof(fbuf));
283
284         err = drv(file, VIDIOC_QUERYCAP, cap2);
285         if (err < 0) {
286                 dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %ld\n", err);
287                 goto done;
288         }
289         if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) {
290                 err = drv(file, VIDIOC_G_FBUF, &fbuf);
291                 if (err < 0) {
292                         dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %ld\n", err);
293                         memset(&fbuf, 0, sizeof(fbuf));
294                 }
295                 err = 0;
296         }
297
298         memcpy(cap->name, cap2->card,
299                min(sizeof(cap->name), sizeof(cap2->card)));
300         cap->name[sizeof(cap->name) - 1] = 0;
301         if (cap2->capabilities & V4L2_CAP_VIDEO_CAPTURE)
302                 cap->type |= VID_TYPE_CAPTURE;
303         if (cap2->capabilities & V4L2_CAP_TUNER)
304                 cap->type |= VID_TYPE_TUNER;
305         if (cap2->capabilities & V4L2_CAP_VBI_CAPTURE)
306                 cap->type |= VID_TYPE_TELETEXT;
307         if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY)
308                 cap->type |= VID_TYPE_OVERLAY;
309         if (fbuf.capability & V4L2_FBUF_CAP_LIST_CLIPPING)
310                 cap->type |= VID_TYPE_CLIPPING;
311
312         cap->channels  = count_inputs(file, drv);
313         check_size(file, drv,
314                    &cap->maxwidth, &cap->maxheight);
315         cap->audios    =  0; /* FIXME */
316         cap->minwidth  = 48; /* FIXME */
317         cap->minheight = 32; /* FIXME */
318
319 done:
320         kfree(cap2);
321         return err;
322 }
323
324 static noinline long v4l1_compat_get_frame_buffer(
325                                         struct video_buffer *buffer,
326                                         struct file *file,
327                                         v4l2_kioctl drv)
328 {
329         long err;
330         struct v4l2_framebuffer fbuf;
331
332         memset(buffer, 0, sizeof(*buffer));
333         memset(&fbuf, 0, sizeof(fbuf));
334
335         err = drv(file, VIDIOC_G_FBUF, &fbuf);
336         if (err < 0) {
337                 dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %ld\n", err);
338                 goto done;
339         }
340         buffer->base   = fbuf.base;
341         buffer->height = fbuf.fmt.height;
342         buffer->width  = fbuf.fmt.width;
343
344         switch (fbuf.fmt.pixelformat) {
345         case V4L2_PIX_FMT_RGB332:
346                 buffer->depth = 8;
347                 break;
348         case V4L2_PIX_FMT_RGB555:
349                 buffer->depth = 15;
350                 break;
351         case V4L2_PIX_FMT_RGB565:
352                 buffer->depth = 16;
353                 break;
354         case V4L2_PIX_FMT_BGR24:
355                 buffer->depth = 24;
356                 break;
357         case V4L2_PIX_FMT_BGR32:
358                 buffer->depth = 32;
359                 break;
360         default:
361                 buffer->depth = 0;
362         }
363         if (fbuf.fmt.bytesperline) {
364                 buffer->bytesperline = fbuf.fmt.bytesperline;
365                 if (!buffer->depth && buffer->width)
366                         buffer->depth   = ((fbuf.fmt.bytesperline<<3)
367                                           + (buffer->width-1))
368                                           / buffer->width;
369         } else {
370                 buffer->bytesperline =
371                         (buffer->width * buffer->depth + 7) & 7;
372                 buffer->bytesperline >>= 3;
373         }
374 done:
375         return err;
376 }
377
378 static noinline long v4l1_compat_set_frame_buffer(
379                                         struct video_buffer *buffer,
380                                         struct file *file,
381                                         v4l2_kioctl drv)
382 {
383         long err;
384         struct v4l2_framebuffer fbuf;
385
386         memset(&fbuf, 0, sizeof(fbuf));
387         fbuf.base       = buffer->base;
388         fbuf.fmt.height = buffer->height;
389         fbuf.fmt.width  = buffer->width;
390         switch (buffer->depth) {
391         case 8:
392                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB332;
393                 break;
394         case 15:
395                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB555;
396                 break;
397         case 16:
398                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB565;
399                 break;
400         case 24:
401                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR24;
402                 break;
403         case 32:
404                 fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR32;
405                 break;
406         }
407         fbuf.fmt.bytesperline = buffer->bytesperline;
408         err = drv(file, VIDIOC_S_FBUF, &fbuf);
409         if (err < 0)
410                 dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %ld\n", err);
411         return err;
412 }
413
414 static noinline long v4l1_compat_get_win_cap_dimensions(
415                                         struct video_window *win,
416                                         struct file *file,
417                                         v4l2_kioctl drv)
418 {
419         long err;
420         struct v4l2_format *fmt;
421
422         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
423         if (!fmt) {
424                 err = -ENOMEM;
425                 return err;
426         }
427         memset(win, 0, sizeof(*win));
428
429         fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
430         err = drv(file, VIDIOC_G_FMT, fmt);
431         if (err < 0)
432                 dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %ld\n", err);
433         if (err == 0) {
434                 win->x         = fmt->fmt.win.w.left;
435                 win->y         = fmt->fmt.win.w.top;
436                 win->width     = fmt->fmt.win.w.width;
437                 win->height    = fmt->fmt.win.w.height;
438                 win->chromakey = fmt->fmt.win.chromakey;
439                 win->clips     = NULL;
440                 win->clipcount = 0;
441                 goto done;
442         }
443
444         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
445         err = drv(file, VIDIOC_G_FMT, fmt);
446         if (err < 0) {
447                 dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %ld\n", err);
448                 goto done;
449         }
450         win->x         = 0;
451         win->y         = 0;
452         win->width     = fmt->fmt.pix.width;
453         win->height    = fmt->fmt.pix.height;
454         win->chromakey = 0;
455         win->clips     = NULL;
456         win->clipcount = 0;
457 done:
458         kfree(fmt);
459         return err;
460 }
461
462 static noinline long v4l1_compat_set_win_cap_dimensions(
463                                         struct video_window *win,
464                                         struct file *file,
465                                         v4l2_kioctl drv)
466 {
467         long err, err1, err2;
468         struct v4l2_format *fmt;
469
470         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
471         if (!fmt) {
472                 err = -ENOMEM;
473                 return err;
474         }
475         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
476         drv(file, VIDIOC_STREAMOFF, &fmt->type);
477         err1 = drv(file, VIDIOC_G_FMT, fmt);
478         if (err1 < 0)
479                 dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %ld\n", err1);
480         if (err1 == 0) {
481                 fmt->fmt.pix.width  = win->width;
482                 fmt->fmt.pix.height = win->height;
483                 fmt->fmt.pix.field  = V4L2_FIELD_ANY;
484                 fmt->fmt.pix.bytesperline = 0;
485                 err = drv(file, VIDIOC_S_FMT, fmt);
486                 if (err < 0)
487                         dprintk("VIDIOCSWIN / VIDIOC_S_FMT #1: %ld\n",
488                                 err);
489                 win->width  = fmt->fmt.pix.width;
490                 win->height = fmt->fmt.pix.height;
491         }
492
493         memset(fmt, 0, sizeof(*fmt));
494         fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
495         fmt->fmt.win.w.left    = win->x;
496         fmt->fmt.win.w.top     = win->y;
497         fmt->fmt.win.w.width   = win->width;
498         fmt->fmt.win.w.height  = win->height;
499         fmt->fmt.win.chromakey = win->chromakey;
500         fmt->fmt.win.clips     = (void __user *)win->clips;
501         fmt->fmt.win.clipcount = win->clipcount;
502         err2 = drv(file, VIDIOC_S_FMT, fmt);
503         if (err2 < 0)
504                 dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %ld\n", err2);
505
506         if (err1 != 0 && err2 != 0)
507                 err = err1;
508         else
509                 err = 0;
510         kfree(fmt);
511         return err;
512 }
513
514 static noinline long v4l1_compat_turn_preview_on_off(
515                                         int *on,
516                                         struct file *file,
517                                         v4l2_kioctl drv)
518 {
519         long err;
520         enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
521
522         if (0 == *on) {
523                 /* dirty hack time.  But v4l1 has no STREAMOFF
524                  * equivalent in the API, and this one at
525                  * least comes close ... */
526                 drv(file, VIDIOC_STREAMOFF, &captype);
527         }
528         err = drv(file, VIDIOC_OVERLAY, on);
529         if (err < 0)
530                 dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %ld\n", err);
531         return err;
532 }
533
534 static noinline long v4l1_compat_get_input_info(
535                                         struct video_channel *chan,
536                                         struct file *file,
537                                         v4l2_kioctl drv)
538 {
539         long err;
540         struct v4l2_input       input2;
541         v4l2_std_id             sid;
542
543         memset(&input2, 0, sizeof(input2));
544         input2.index = chan->channel;
545         err = drv(file, VIDIOC_ENUMINPUT, &input2);
546         if (err < 0) {
547                 dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: "
548                         "channel=%d err=%ld\n", chan->channel, err);
549                 goto done;
550         }
551         chan->channel = input2.index;
552         memcpy(chan->name, input2.name,
553                min(sizeof(chan->name), sizeof(input2.name)));
554         chan->name[sizeof(chan->name) - 1] = 0;
555         chan->tuners = (input2.type == V4L2_INPUT_TYPE_TUNER) ? 1 : 0;
556         chan->flags = (chan->tuners) ? VIDEO_VC_TUNER : 0;
557         switch (input2.type) {
558         case V4L2_INPUT_TYPE_TUNER:
559                 chan->type = VIDEO_TYPE_TV;
560                 break;
561         default:
562         case V4L2_INPUT_TYPE_CAMERA:
563                 chan->type = VIDEO_TYPE_CAMERA;
564                 break;
565         }
566         chan->norm = 0;
567         /* Note: G_STD might not be present for radio receivers,
568          * so we should ignore any errors. */
569         if (drv(file, VIDIOC_G_STD, &sid) == 0) {
570                 if (sid & V4L2_STD_PAL)
571                         chan->norm = VIDEO_MODE_PAL;
572                 if (sid & V4L2_STD_NTSC)
573                         chan->norm = VIDEO_MODE_NTSC;
574                 if (sid & V4L2_STD_SECAM)
575                         chan->norm = VIDEO_MODE_SECAM;
576                 if (sid == V4L2_STD_ALL)
577                         chan->norm = VIDEO_MODE_AUTO;
578         }
579 done:
580         return err;
581 }
582
583 static noinline long v4l1_compat_set_input(
584                                         struct video_channel *chan,
585                                         struct file *file,
586                                         v4l2_kioctl drv)
587 {
588         long err;
589         v4l2_std_id sid = 0;
590
591         err = drv(file, VIDIOC_S_INPUT, &chan->channel);
592         if (err < 0)
593                 dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %ld\n", err);
594         switch (chan->norm) {
595         case VIDEO_MODE_PAL:
596                 sid = V4L2_STD_PAL;
597                 break;
598         case VIDEO_MODE_NTSC:
599                 sid = V4L2_STD_NTSC;
600                 break;
601         case VIDEO_MODE_SECAM:
602                 sid = V4L2_STD_SECAM;
603                 break;
604         case VIDEO_MODE_AUTO:
605                 sid = V4L2_STD_ALL;
606                 break;
607         }
608         if (0 != sid) {
609                 err = drv(file, VIDIOC_S_STD, &sid);
610                 if (err < 0)
611                         dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %ld\n", err);
612         }
613         return err;
614 }
615
616 static noinline long v4l1_compat_get_picture(
617                                         struct video_picture *pict,
618                                         struct file *file,
619                                         v4l2_kioctl drv)
620 {
621         long err;
622         struct v4l2_format *fmt;
623
624         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
625         if (!fmt) {
626                 err = -ENOMEM;
627                 return err;
628         }
629
630         pict->brightness = get_v4l_control(file,
631                                            V4L2_CID_BRIGHTNESS, drv);
632         pict->hue = get_v4l_control(file,
633                                     V4L2_CID_HUE, drv);
634         pict->contrast = get_v4l_control(file,
635                                          V4L2_CID_CONTRAST, drv);
636         pict->colour = get_v4l_control(file,
637                                        V4L2_CID_SATURATION, drv);
638         pict->whiteness = get_v4l_control(file,
639                                           V4L2_CID_WHITENESS, drv);
640
641         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
642         err = drv(file, VIDIOC_G_FMT, fmt);
643         if (err < 0) {
644                 dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %ld\n", err);
645                 goto done;
646         }
647
648         pict->depth   = ((fmt->fmt.pix.bytesperline << 3)
649                          + (fmt->fmt.pix.width - 1))
650                          / fmt->fmt.pix.width;
651         pict->palette = pixelformat_to_palette(
652                 fmt->fmt.pix.pixelformat);
653 done:
654         kfree(fmt);
655         return err;
656 }
657
658 static noinline long v4l1_compat_set_picture(
659                                         struct video_picture *pict,
660                                         struct file *file,
661                                         v4l2_kioctl drv)
662 {
663         long err;
664         struct v4l2_framebuffer fbuf;
665         int mem_err = 0, ovl_err = 0;
666         struct v4l2_format *fmt;
667
668         fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
669         if (!fmt) {
670                 err = -ENOMEM;
671                 return err;
672         }
673         memset(&fbuf, 0, sizeof(fbuf));
674
675         set_v4l_control(file,
676                         V4L2_CID_BRIGHTNESS, pict->brightness, drv);
677         set_v4l_control(file,
678                         V4L2_CID_HUE, pict->hue, drv);
679         set_v4l_control(file,
680                         V4L2_CID_CONTRAST, pict->contrast, drv);
681         set_v4l_control(file,
682                         V4L2_CID_SATURATION, pict->colour, drv);
683         set_v4l_control(file,
684                         V4L2_CID_WHITENESS, pict->whiteness, drv);
685         /*
686          * V4L1 uses this ioctl to set both memory capture and overlay
687          * pixel format, while V4L2 has two different ioctls for this.
688          * Some cards may not support one or the other, and may support
689          * different pixel formats for memory vs overlay.
690          */
691
692         fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
693         err = drv(file, VIDIOC_G_FMT, fmt);
694         /* If VIDIOC_G_FMT failed, then the driver likely doesn't
695            support memory capture.  Trying to set the memory capture
696            parameters would be pointless.  */
697         if (err < 0) {
698                 dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %ld\n", err);
699                 mem_err = -1000;  /* didn't even try */
700         } else if (fmt->fmt.pix.pixelformat !=
701                  palette_to_pixelformat(pict->palette)) {
702                 fmt->fmt.pix.pixelformat = palette_to_pixelformat(
703                         pict->palette);
704                 mem_err = drv(file, VIDIOC_S_FMT, fmt);
705                 if (mem_err < 0)
706                         dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",
707                                 mem_err);
708         }
709
710         err = drv(file, VIDIOC_G_FBUF, &fbuf);
711         /* If VIDIOC_G_FBUF failed, then the driver likely doesn't
712            support overlay.  Trying to set the overlay parameters
713            would be quite pointless.  */
714         if (err < 0) {
715                 dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %ld\n", err);
716                 ovl_err = -1000;  /* didn't even try */
717         } else if (fbuf.fmt.pixelformat !=
718                  palette_to_pixelformat(pict->palette)) {
719                 fbuf.fmt.pixelformat = palette_to_pixelformat(
720                         pict->palette);
721                 ovl_err = drv(file, VIDIOC_S_FBUF, &fbuf);
722                 if (ovl_err < 0)
723                         dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",
724                                 ovl_err);
725         }
726         if (ovl_err < 0 && mem_err < 0) {
727                 /* ioctl failed, couldn't set either parameter */
728                 if (mem_err != -1000)
729                         err = mem_err;
730                 else if (ovl_err == -EPERM)
731                         err = 0;
732                 else
733                         err = ovl_err;
734         } else
735                 err = 0;
736         kfree(fmt);
737         return err;
738 }
739
740 static noinline long v4l1_compat_get_tuner(
741                                         struct video_tuner *tun,
742                                         struct file *file,
743                                         v4l2_kioctl drv)
744 {
745         long err;
746         int i;
747         struct v4l2_tuner       tun2;
748         struct v4l2_standard    std2;
749         v4l2_std_id             sid;
750
751         memset(&tun2, 0, sizeof(tun2));
752         err = drv(file, VIDIOC_G_TUNER, &tun2);
753         if (err < 0) {
754                 dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %ld\n", err);
755                 goto done;
756         }
757         memcpy(tun->name, tun2.name,
758                min(sizeof(tun->name), sizeof(tun2.name)));
759         tun->name[sizeof(tun->name) - 1] = 0;
760         tun->rangelow = tun2.rangelow;
761         tun->rangehigh = tun2.rangehigh;
762         tun->flags = 0;
763         tun->mode = VIDEO_MODE_AUTO;
764
765         for (i = 0; i < 64; i++) {
766                 memset(&std2, 0, sizeof(std2));
767                 std2.index = i;
768                 if (0 != drv(file, VIDIOC_ENUMSTD, &std2))
769                         break;
770                 if (std2.id & V4L2_STD_PAL)
771                         tun->flags |= VIDEO_TUNER_PAL;
772                 if (std2.id & V4L2_STD_NTSC)
773                         tun->flags |= VIDEO_TUNER_NTSC;
774                 if (std2.id & V4L2_STD_SECAM)
775                         tun->flags |= VIDEO_TUNER_SECAM;
776         }
777
778         /* Note: G_STD might not be present for radio receivers,
779          * so we should ignore any errors. */
780         if (drv(file, VIDIOC_G_STD, &sid) == 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_TUNER, &t);
810         if (err < 0)
811                 dprintk("VIDIOCSTUNER / VIDIOC_S_TUNER: %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  */