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V4L/DVB (4068): Removed all references to kernel stuff from videodev.h and videodev2.h
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / v4l1-compat.c
CommitLineData
1da177e4 1/*
ac19ecc6 2 *
1da177e4
LT		 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 <bdirks@pacbell.net>
15 * et al.
16 *
17 */
18
1da177e4
LT		 19#include <linux/config.h>
20
21#include <linux/init.h>
22#include <linux/module.h>
ac19ecc6 23#include <linux/moduleparam.h>
1da177e4
LT		 24#include <linux/types.h>
25#include <linux/kernel.h>
26#include <linux/sched.h>
27#include <linux/smp_lock.h>
28#include <linux/mm.h>
29#include <linux/fs.h>
30#include <linux/file.h>
31#include <linux/string.h>
32#include <linux/errno.h>
33#include <linux/slab.h>
34#include <linux/videodev.h>
5e87efa3 35#include <media/v4l2-common.h>
1da177e4
LT		 36
37#include <asm/uaccess.h>
38#include <asm/system.h>
39#include <asm/pgtable.h>
40
41#ifdef CONFIG_KMOD
42#include <linux/kmod.h>
43#endif
44
45static unsigned int debug = 0;
46module_param(debug, int, 0644);
47MODULE_PARM_DESC(debug,"enable debug messages");
48MODULE_AUTHOR("Bill Dirks");
49MODULE_DESCRIPTION("v4l(1) compatibility layer for v4l2 drivers.");
50MODULE_LICENSE("GPL");
51
52#define dprintk(fmt, arg...) if (debug) \
53 printk(KERN_DEBUG "v4l1-compat: " fmt , ## arg)
54
55/*
56 * I O C T L T R A N S L A T I O N
57 *
58 * From here on down is the code for translating the numerous
59 * ioctl commands from the old API to the new API.
60 */
61
62static int
63get_v4l_control(struct inode *inode,
64 struct file *file,
65 int cid,
66 v4l2_kioctl drv)
67{
68 struct v4l2_queryctrl qctrl2;
69 struct v4l2_control ctrl2;
70 int err;
71
72 qctrl2.id = cid;
73 err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2);
74 if (err < 0)
75 dprintk("VIDIOC_QUERYCTRL: %d\n",err);
76 if (err == 0 &&
77 !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED))
78 {
79 ctrl2.id = qctrl2.id;
80 err = drv(inode, file, VIDIOC_G_CTRL, &ctrl2);
81 if (err < 0) {
82 dprintk("VIDIOC_G_CTRL: %d\n",err);
83 return 0;
84 }
85 return ((ctrl2.value - qctrl2.minimum) * 65535
86 + (qctrl2.maximum - qctrl2.minimum) / 2)
87 / (qctrl2.maximum - qctrl2.minimum);
88 }
89 return 0;
90}
91
92static int
93set_v4l_control(struct inode *inode,
94 struct file *file,
95 int cid,
96 int value,
97 v4l2_kioctl drv)
98{
99 struct v4l2_queryctrl qctrl2;
100 struct v4l2_control ctrl2;
101 int err;
102
103 qctrl2.id = cid;
104 err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2);
105 if (err < 0)
106 dprintk("VIDIOC_QUERYCTRL: %d\n",err);
107 if (err == 0 &&
108 !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED) &&
109 !(qctrl2.flags & V4L2_CTRL_FLAG_GRABBED))
110 {
111 if (value < 0)
112 value = 0;
113 if (value > 65535)
114 value = 65535;
115 if (value && qctrl2.type == V4L2_CTRL_TYPE_BOOLEAN)
116 value = 65535;
117 ctrl2.id = qctrl2.id;
118 ctrl2.value =
119 (value * (qctrl2.maximum - qctrl2.minimum)
120 + 32767)
121 / 65535;
122 ctrl2.value += qctrl2.minimum;
123 err = drv(inode, file, VIDIOC_S_CTRL, &ctrl2);
124 if (err < 0)
125 dprintk("VIDIOC_S_CTRL: %d\n",err);
126 }
127 return 0;
128}
129
130/* ----------------------------------------------------------------- */
131
132static int palette2pixelformat[] = {
133 [VIDEO_PALETTE_GREY] = V4L2_PIX_FMT_GREY,
134 [VIDEO_PALETTE_RGB555] = V4L2_PIX_FMT_RGB555,
135 [VIDEO_PALETTE_RGB565] = V4L2_PIX_FMT_RGB565,
136 [VIDEO_PALETTE_RGB24] = V4L2_PIX_FMT_BGR24,
137 [VIDEO_PALETTE_RGB32] = V4L2_PIX_FMT_BGR32,
138 /* yuv packed pixel */
139 [VIDEO_PALETTE_YUYV] = V4L2_PIX_FMT_YUYV,
140 [VIDEO_PALETTE_YUV422] = V4L2_PIX_FMT_YUYV,
141 [VIDEO_PALETTE_UYVY] = V4L2_PIX_FMT_UYVY,
142 /* yuv planar */
143 [VIDEO_PALETTE_YUV410P] = V4L2_PIX_FMT_YUV410,
144 [VIDEO_PALETTE_YUV420] = V4L2_PIX_FMT_YUV420,
145 [VIDEO_PALETTE_YUV420P] = V4L2_PIX_FMT_YUV420,
146 [VIDEO_PALETTE_YUV411P] = V4L2_PIX_FMT_YUV411P,
147 [VIDEO_PALETTE_YUV422P] = V4L2_PIX_FMT_YUV422P,
148};
149
150static unsigned int
151palette_to_pixelformat(unsigned int palette)
152{
153 if (palette < ARRAY_SIZE(palette2pixelformat))
154 return palette2pixelformat[palette];
155 else
156 return 0;
157}
158
159static unsigned int
160pixelformat_to_palette(int pixelformat)
161{
162 int palette = 0;
163 switch (pixelformat)
164 {
165 case V4L2_PIX_FMT_GREY:
166 palette = VIDEO_PALETTE_GREY;
167 break;
168 case V4L2_PIX_FMT_RGB555:
169 palette = VIDEO_PALETTE_RGB555;
170 break;
171 case V4L2_PIX_FMT_RGB565:
172 palette = VIDEO_PALETTE_RGB565;
173 break;
174 case V4L2_PIX_FMT_BGR24:
175 palette = VIDEO_PALETTE_RGB24;
176 break;
177 case V4L2_PIX_FMT_BGR32:
178 palette = VIDEO_PALETTE_RGB32;
179 break;
180 /* yuv packed pixel */
181 case V4L2_PIX_FMT_YUYV:
182 palette = VIDEO_PALETTE_YUYV;
183 break;
184 case V4L2_PIX_FMT_UYVY:
185 palette = VIDEO_PALETTE_UYVY;
186 break;
187 /* yuv planar */
188 case V4L2_PIX_FMT_YUV410:
189 palette = VIDEO_PALETTE_YUV420;
190 break;
191 case V4L2_PIX_FMT_YUV420:
192 palette = VIDEO_PALETTE_YUV420;
193 break;
194 case V4L2_PIX_FMT_YUV411P:
195 palette = VIDEO_PALETTE_YUV411P;
196 break;
197 case V4L2_PIX_FMT_YUV422P:
198 palette = VIDEO_PALETTE_YUV422P;
199 break;
200 }
201 return palette;
202}
203
204/* ----------------------------------------------------------------- */
205
206static int poll_one(struct file *file)
207{
208 int retval = 1;
209 poll_table *table;
210 struct poll_wqueues pwq;
211
212 poll_initwait(&pwq);
213 table = &pwq.pt;
214 for (;;) {
215 int mask;
216 set_current_state(TASK_INTERRUPTIBLE);
217 mask = file->f_op->poll(file, table);
218 if (mask & POLLIN)
219 break;
220 table = NULL;
221 if (signal_pending(current)) {
222 retval = -ERESTARTSYS;
223 break;
224 }
225 schedule();
226 }
227 set_current_state(TASK_RUNNING);
228 poll_freewait(&pwq);
229 return retval;
230}
231
232static int count_inputs(struct inode *inode,
233 struct file *file,
234 v4l2_kioctl drv)
235{
236 struct v4l2_input input2;
237 int i;
238
239 for (i = 0;; i++) {
240 memset(&input2,0,sizeof(input2));
241 input2.index = i;
242 if (0 != drv(inode,file,VIDIOC_ENUMINPUT, &input2))
243 break;
244 }
245 return i;
246}
247
248static int check_size(struct inode *inode,
249 struct file *file,
250 v4l2_kioctl drv,
251 int *maxw, int *maxh)
252{
253 struct v4l2_fmtdesc desc2;
254 struct v4l2_format fmt2;
255
256 memset(&desc2,0,sizeof(desc2));
257 memset(&fmt2,0,sizeof(fmt2));
258
259 desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
260 if (0 != drv(inode,file,VIDIOC_ENUM_FMT, &desc2))
261 goto done;
262
263 fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
264 fmt2.fmt.pix.width = 10000;
265 fmt2.fmt.pix.height = 10000;
266 fmt2.fmt.pix.pixelformat = desc2.pixelformat;
267 if (0 != drv(inode,file,VIDIOC_TRY_FMT, &fmt2))
268 goto done;
269
270 *maxw = fmt2.fmt.pix.width;
271 *maxh = fmt2.fmt.pix.height;
272
273 done:
274 return 0;
275}
276
277/* ----------------------------------------------------------------- */
278
279/*
280 * This function is exported.
281 */
282int
283v4l_compat_translate_ioctl(struct inode *inode,
284 struct file *file,
285 int cmd,
286 void *arg,
287 v4l2_kioctl drv)
288{
289 struct v4l2_capability *cap2 = NULL;
290 struct v4l2_format *fmt2 = NULL;
291 enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
292
293 struct v4l2_framebuffer fbuf2;
294 struct v4l2_input input2;
295 struct v4l2_tuner tun2;
296 struct v4l2_standard std2;
297 struct v4l2_frequency freq2;
298 struct v4l2_audio aud2;
299 struct v4l2_queryctrl qctrl2;
300 struct v4l2_buffer buf2;
301 v4l2_std_id sid;
302 int i, err = 0;
303
304 switch (cmd) {
305 case VIDIOCGCAP: /* capability */
306 {
307 struct video_capability *cap = arg;
308
7408187d 309 cap2 = kzalloc(sizeof(*cap2),GFP_KERNEL);
1da177e4 310 memset(cap, 0, sizeof(*cap));
1da177e4
LT		 311 memset(&fbuf2, 0, sizeof(fbuf2));
312
313 err = drv(inode, file, VIDIOC_QUERYCAP, cap2);
314 if (err < 0) {
315 dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %d\n",err);
316 break;
317 }
318 if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) {
319 err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2);
320 if (err < 0) {
321 dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %d\n",err);
322 memset(&fbuf2, 0, sizeof(fbuf2));
323 }
324 err = 0;
325 }
326
327 memcpy(cap->name, cap2->card,
328 min(sizeof(cap->name), sizeof(cap2->card)));
329 cap->name[sizeof(cap->name) - 1] = 0;
330 if (cap2->capabilities & V4L2_CAP_VIDEO_CAPTURE)
331 cap->type |= VID_TYPE_CAPTURE;
332 if (cap2->capabilities & V4L2_CAP_TUNER)
333 cap->type |= VID_TYPE_TUNER;
334 if (cap2->capabilities & V4L2_CAP_VBI_CAPTURE)
335 cap->type |= VID_TYPE_TELETEXT;
336 if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY)
337 cap->type |= VID_TYPE_OVERLAY;
338 if (fbuf2.capability & V4L2_FBUF_CAP_LIST_CLIPPING)
339 cap->type |= VID_TYPE_CLIPPING;
340
341 cap->channels = count_inputs(inode,file,drv);
342 check_size(inode,file,drv,
343 &cap->maxwidth,&cap->maxheight);
344 cap->audios = 0; /* FIXME */
345 cap->minwidth = 48; /* FIXME */
346 cap->minheight = 32; /* FIXME */
347 break;
348 }
349 case VIDIOCGFBUF: /* get frame buffer */
350 {
351 struct video_buffer *buffer = arg;
352
353 err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2);
354 if (err < 0) {
355 dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n",err);
356 break;
357 }
358 buffer->base = fbuf2.base;
359 buffer->height = fbuf2.fmt.height;
360 buffer->width = fbuf2.fmt.width;
361
362 switch (fbuf2.fmt.pixelformat) {
363 case V4L2_PIX_FMT_RGB332:
364 buffer->depth = 8;
365 break;
366 case V4L2_PIX_FMT_RGB555:
367 buffer->depth = 15;
368 break;
369 case V4L2_PIX_FMT_RGB565:
370 buffer->depth = 16;
371 break;
372 case V4L2_PIX_FMT_BGR24:
373 buffer->depth = 24;
374 break;
375 case V4L2_PIX_FMT_BGR32:
376 buffer->depth = 32;
377 break;
378 default:
379 buffer->depth = 0;
380 }
381 if (0 != fbuf2.fmt.bytesperline)
382 buffer->bytesperline = fbuf2.fmt.bytesperline;
383 else {
384 buffer->bytesperline =
385 (buffer->width * buffer->depth + 7) & 7;
386 buffer->bytesperline >>= 3;
387 }
388 break;
389 }
390 case VIDIOCSFBUF: /* set frame buffer */
391 {
392 struct video_buffer *buffer = arg;
393
394 memset(&fbuf2, 0, sizeof(fbuf2));
395 fbuf2.base = buffer->base;
396 fbuf2.fmt.height = buffer->height;
397 fbuf2.fmt.width = buffer->width;
398 switch (buffer->depth) {
399 case 8:
400 fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB332;
401 break;
402 case 15:
403 fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB555;
404 break;
405 case 16:
406 fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB565;
407 break;
408 case 24:
409 fbuf2.fmt.pixelformat = V4L2_PIX_FMT_BGR24;
410 break;
411 case 32:
412 fbuf2.fmt.pixelformat = V4L2_PIX_FMT_BGR32;
413 break;
414 }
415 fbuf2.fmt.bytesperline = buffer->bytesperline;
416 err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2);
417 if (err < 0)
418 dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %d\n",err);
419 break;
420 }
421 case VIDIOCGWIN: /* get window or capture dimensions */
422 {
423 struct video_window *win = arg;
424
7408187d 425 fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
1da177e4 426 memset(win,0,sizeof(*win));
1da177e4
LT		 427
428 fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
429 err = drv(inode, file, VIDIOC_G_FMT, fmt2);
430 if (err < 0)
431 dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %d\n",err);
432 if (err == 0) {
433 win->x = fmt2->fmt.win.w.left;
434 win->y = fmt2->fmt.win.w.top;
435 win->width = fmt2->fmt.win.w.width;
436 win->height = fmt2->fmt.win.w.height;
437 win->chromakey = fmt2->fmt.win.chromakey;
438 win->clips = NULL;
439 win->clipcount = 0;
440 break;
441 }
442
443 fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
444 err = drv(inode, file, VIDIOC_G_FMT, fmt2);
445 if (err < 0) {
446 dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %d\n",err);
447 break;
448 }
449 win->x = 0;
450 win->y = 0;
451 win->width = fmt2->fmt.pix.width;
452 win->height = fmt2->fmt.pix.height;
453 win->chromakey = 0;
454 win->clips = NULL;
455 win->clipcount = 0;
456 break;
457 }
458 case VIDIOCSWIN: /* set window and/or capture dimensions */
459 {
460 struct video_window *win = arg;
461 int err1,err2;
462
7408187d 463 fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
1da177e4
LT		 464 fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
465 drv(inode, file, VIDIOC_STREAMOFF, &fmt2->type);
466 err1 = drv(inode, file, VIDIOC_G_FMT, fmt2);
467 if (err1 < 0)
468 dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %d\n",err);
469 if (err1 == 0) {
470 fmt2->fmt.pix.width = win->width;
471 fmt2->fmt.pix.height = win->height;
472 fmt2->fmt.pix.field = V4L2_FIELD_ANY;
473 fmt2->fmt.pix.bytesperline = 0;
474 err = drv(inode, file, VIDIOC_S_FMT, fmt2);
475 if (err < 0)
476 dprintk("VIDIOCSWIN / VIDIOC_S_FMT #1: %d\n",
477 err);
478 win->width = fmt2->fmt.pix.width;
479 win->height = fmt2->fmt.pix.height;
480 }
481
482 memset(fmt2,0,sizeof(*fmt2));
483 fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
484 fmt2->fmt.win.w.left = win->x;
485 fmt2->fmt.win.w.top = win->y;
486 fmt2->fmt.win.w.width = win->width;
487 fmt2->fmt.win.w.height = win->height;
488 fmt2->fmt.win.chromakey = win->chromakey;
489 fmt2->fmt.win.clips = (void __user *)win->clips;
490 fmt2->fmt.win.clipcount = win->clipcount;
491 err2 = drv(inode, file, VIDIOC_S_FMT, fmt2);
492 if (err2 < 0)
493 dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %d\n",err);
494
495 if (err1 != 0 && err2 != 0)
496 err = err1;
497 break;
498 }
499 case VIDIOCCAPTURE: /* turn on/off preview */
500 {
501 int *on = arg;
502
503 if (0 == *on) {
504 /* dirty hack time. But v4l1 has no STREAMOFF
505 * equivalent in the API, and this one at
506 * least comes close ... */
507 drv(inode, file, VIDIOC_STREAMOFF, &captype);
508 }
509 err = drv(inode, file, VIDIOC_OVERLAY, arg);
510 if (err < 0)
511 dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %d\n",err);
512 break;
513 }
514 case VIDIOCGCHAN: /* get input information */
515 {
516 struct video_channel *chan = arg;
517
518 memset(&input2,0,sizeof(input2));
519 input2.index = chan->channel;
520 err = drv(inode, file, VIDIOC_ENUMINPUT, &input2);
521 if (err < 0) {
522 dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: "
523 "channel=%d err=%d\n",chan->channel,err);
524 break;
525 }
526 chan->channel = input2.index;
527 memcpy(chan->name, input2.name,
528 min(sizeof(chan->name), sizeof(input2.name)));
529 chan->name[sizeof(chan->name) - 1] = 0;
530 chan->tuners = (input2.type == V4L2_INPUT_TYPE_TUNER) ? 1 : 0;
531 chan->flags = (chan->tuners) ? VIDEO_VC_TUNER : 0;
532 switch (input2.type) {
533 case V4L2_INPUT_TYPE_TUNER:
534 chan->type = VIDEO_TYPE_TV;
535 break;
536 default:
537 case V4L2_INPUT_TYPE_CAMERA:
538 chan->type = VIDEO_TYPE_CAMERA;
539 break;
540 }
541 chan->norm = 0;
542 err = drv(inode, file, VIDIOC_G_STD, &sid);
543 if (err < 0)
544 dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %d\n",err);
545 if (err == 0) {
546 if (sid & V4L2_STD_PAL)
547 chan->norm = VIDEO_MODE_PAL;
548 if (sid & V4L2_STD_NTSC)
549 chan->norm = VIDEO_MODE_NTSC;
550 if (sid & V4L2_STD_SECAM)
551 chan->norm = VIDEO_MODE_SECAM;
552 }
553 break;
554 }
555 case VIDIOCSCHAN: /* set input */
556 {
557 struct video_channel *chan = arg;
558
559 sid = 0;
560 err = drv(inode, file, VIDIOC_S_INPUT, &chan->channel);
561 if (err < 0)
562 dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %d\n",err);
563 switch (chan->norm) {
564 case VIDEO_MODE_PAL:
565 sid = V4L2_STD_PAL;
566 break;
567 case VIDEO_MODE_NTSC:
568 sid = V4L2_STD_NTSC;
569 break;
570 case VIDEO_MODE_SECAM:
571 sid = V4L2_STD_SECAM;
572 break;
573 }
574 if (0 != sid) {
575 err = drv(inode, file, VIDIOC_S_STD, &sid);
576 if (err < 0)
577 dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %d\n",err);
578 }
579 break;
580 }
581 case VIDIOCGPICT: /* get tone controls & partial capture format */
582 {
583 struct video_picture *pict = arg;
584
585 pict->brightness = get_v4l_control(inode, file,
586 V4L2_CID_BRIGHTNESS,drv);
587 pict->hue = get_v4l_control(inode, file,
588 V4L2_CID_HUE, drv);
589 pict->contrast = get_v4l_control(inode, file,
590 V4L2_CID_CONTRAST, drv);
591 pict->colour = get_v4l_control(inode, file,
592 V4L2_CID_SATURATION, drv);
593 pict->whiteness = get_v4l_control(inode, file,
594 V4L2_CID_WHITENESS, drv);
595
7408187d 596 fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
1da177e4
LT		 597 fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
598 err = drv(inode, file, VIDIOC_G_FMT, fmt2);
599 if (err < 0) {
600 dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %d\n",err);
601 break;
602 }
1da177e4
LT		 603 pict->palette = pixelformat_to_palette(
604 fmt2->fmt.pix.pixelformat);
605 break;
606 }
607 case VIDIOCSPICT: /* set tone controls & partial capture format */
608 {
609 struct video_picture *pict = arg;
610
611 set_v4l_control(inode, file,
612 V4L2_CID_BRIGHTNESS, pict->brightness, drv);
613 set_v4l_control(inode, file,
614 V4L2_CID_HUE, pict->hue, drv);
615 set_v4l_control(inode, file,
616 V4L2_CID_CONTRAST, pict->contrast, drv);
617 set_v4l_control(inode, file,
618 V4L2_CID_SATURATION, pict->colour, drv);
619 set_v4l_control(inode, file,
620 V4L2_CID_WHITENESS, pict->whiteness, drv);
621
7408187d 622 fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
1da177e4
LT		 623 fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
624 err = drv(inode, file, VIDIOC_G_FMT, fmt2);
625 if (err < 0)
626 dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %d\n",err);
627 if (fmt2->fmt.pix.pixelformat !=
628 palette_to_pixelformat(pict->palette)) {
629 fmt2->fmt.pix.pixelformat = palette_to_pixelformat(
630 pict->palette);
631 err = drv(inode, file, VIDIOC_S_FMT, fmt2);
632 if (err < 0)
633 dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",err);
634 }
635
636 err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2);
637 if (err < 0)
638 dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %d\n",err);
639 if (fbuf2.fmt.pixelformat !=
640 palette_to_pixelformat(pict->palette)) {
641 fbuf2.fmt.pixelformat = palette_to_pixelformat(
642 pict->palette);
643 err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2);
644 if (err < 0)
645 dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",err);
646 err = 0; /* likely fails for non-root */
647 }
648 break;
649 }
650 case VIDIOCGTUNER: /* get tuner information */
651 {
652 struct video_tuner *tun = arg;
653
654 memset(&tun2,0,sizeof(tun2));
655 err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
656 if (err < 0) {
657 dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %d\n",err);
658 break;
659 }
660 memcpy(tun->name, tun2.name,
661 min(sizeof(tun->name), sizeof(tun2.name)));
662 tun->name[sizeof(tun->name) - 1] = 0;
663 tun->rangelow = tun2.rangelow;
664 tun->rangehigh = tun2.rangehigh;
665 tun->flags = 0;
666 tun->mode = VIDEO_MODE_AUTO;
667
668 for (i = 0; i < 64; i++) {
669 memset(&std2,0,sizeof(std2));
670 std2.index = i;
671 if (0 != drv(inode, file, VIDIOC_ENUMSTD, &std2))
672 break;
673 if (std2.id & V4L2_STD_PAL)
674 tun->flags |= VIDEO_TUNER_PAL;
675 if (std2.id & V4L2_STD_NTSC)
676 tun->flags |= VIDEO_TUNER_NTSC;
677 if (std2.id & V4L2_STD_SECAM)
678 tun->flags |= VIDEO_TUNER_SECAM;
679 }
680
681 err = drv(inode, file, VIDIOC_G_STD, &sid);
682 if (err < 0)
683 dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %d\n",err);
684 if (err == 0) {
685 if (sid & V4L2_STD_PAL)
686 tun->mode = VIDEO_MODE_PAL;
687 if (sid & V4L2_STD_NTSC)
688 tun->mode = VIDEO_MODE_NTSC;
689 if (sid & V4L2_STD_SECAM)
690 tun->mode = VIDEO_MODE_SECAM;
691 }
692
693 if (tun2.capability & V4L2_TUNER_CAP_LOW)
694 tun->flags |= VIDEO_TUNER_LOW;
695 if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
696 tun->flags |= VIDEO_TUNER_STEREO_ON;
697 tun->signal = tun2.signal;
698 break;
699 }
700 case VIDIOCSTUNER: /* select a tuner input */
701 {
1da177e4 702 err = 0;
1da177e4
LT		 703 break;
704 }
705 case VIDIOCGFREQ: /* get frequency */
706 {
376f269e 707 unsigned long *freq = arg;
1da177e4
LT		 708
709 freq2.tuner = 0;
710 err = drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
711 if (err < 0)
712 dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %d\n",err);
713 if (0 == err)
714 *freq = freq2.frequency;
715 break;
716 }
717 case VIDIOCSFREQ: /* set frequency */
718 {
376f269e 719 unsigned long *freq = arg;
1da177e4
LT		 720
721 freq2.tuner = 0;
722 drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
723 freq2.frequency = *freq;
724 err = drv(inode, file, VIDIOC_S_FREQUENCY, &freq2);
725 if (err < 0)
726 dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %d\n",err);
727 break;
728 }
729 case VIDIOCGAUDIO: /* get audio properties/controls */
730 {
731 struct video_audio *aud = arg;
732
733 err = drv(inode, file, VIDIOC_G_AUDIO, &aud2);
734 if (err < 0) {
735 dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %d\n",err);
736 break;
737 }
738 memcpy(aud->name, aud2.name,
739 min(sizeof(aud->name), sizeof(aud2.name)));
740 aud->name[sizeof(aud->name) - 1] = 0;
741 aud->audio = aud2.index;
742 aud->flags = 0;
743 i = get_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME, drv);
744 if (i >= 0) {
745 aud->volume = i;
746 aud->flags |= VIDEO_AUDIO_VOLUME;
747 }
748 i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BASS, drv);
749 if (i >= 0) {
750 aud->bass = i;
751 aud->flags |= VIDEO_AUDIO_BASS;
752 }
753 i = get_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE, drv);
754 if (i >= 0) {
755 aud->treble = i;
756 aud->flags |= VIDEO_AUDIO_TREBLE;
757 }
758 i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE, drv);
759 if (i >= 0) {
760 aud->balance = i;
761 aud->flags |= VIDEO_AUDIO_BALANCE;
762 }
763 i = get_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE, drv);
764 if (i >= 0) {
765 if (i)
766 aud->flags |= VIDEO_AUDIO_MUTE;
767 aud->flags |= VIDEO_AUDIO_MUTABLE;
768 }
769 aud->step = 1;
770 qctrl2.id = V4L2_CID_AUDIO_VOLUME;
771 if (drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2) == 0 &&
772 !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED))
773 aud->step = qctrl2.step;
774 aud->mode = 0;
ac19ecc6
MCC		 775
776 memset(&tun2,0,sizeof(tun2));
1da177e4
LT		 777 err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
778 if (err < 0) {
779 dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %d\n",err);
780 err = 0;
781 break;
782 }
ac19ecc6 783
1da177e4
LT		 784 if (tun2.rxsubchans & V4L2_TUNER_SUB_LANG2)
785 aud->mode = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
786 else if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
787 aud->mode = VIDEO_SOUND_STEREO;
788 else if (tun2.rxsubchans & V4L2_TUNER_SUB_MONO)
789 aud->mode = VIDEO_SOUND_MONO;
790 break;
791 }
792 case VIDIOCSAUDIO: /* set audio controls */
793 {
794 struct video_audio *aud = arg;
795
796 memset(&aud2,0,sizeof(aud2));
797 memset(&tun2,0,sizeof(tun2));
798
799 aud2.index = aud->audio;
800 err = drv(inode, file, VIDIOC_S_AUDIO, &aud2);
801 if (err < 0) {
802 dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %d\n",err);
803 break;
804 }
805
806 set_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME,
807 aud->volume, drv);
808 set_v4l_control(inode, file, V4L2_CID_AUDIO_BASS,
809 aud->bass, drv);
810 set_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE,
811 aud->treble, drv);
812 set_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE,
813 aud->balance, drv);
814 set_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE,
815 !!(aud->flags & VIDEO_AUDIO_MUTE), drv);
816
817 err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
818 if (err < 0)
819 dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %d\n",err);
820 if (err == 0) {
821 switch (aud->mode) {
822 default:
823 case VIDEO_SOUND_MONO:
824 case VIDEO_SOUND_LANG1:
825 tun2.audmode = V4L2_TUNER_MODE_MONO;
826 break;
827 case VIDEO_SOUND_STEREO:
828 tun2.audmode = V4L2_TUNER_MODE_STEREO;
829 break;
830 case VIDEO_SOUND_LANG2:
831 tun2.audmode = V4L2_TUNER_MODE_LANG2;
832 break;
833 }
834 err = drv(inode, file, VIDIOC_S_TUNER, &tun2);
835 if (err < 0)
836 dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %d\n",err);
837 }
838 err = 0;
839 break;
840 }
1da177e4
LT		 841 case VIDIOCMCAPTURE: /* capture a frame */
842 {
843 struct video_mmap *mm = arg;
844
7408187d 845 fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
1da177e4 846 memset(&buf2,0,sizeof(buf2));
1da177e4
LT		 847
848 fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
849 err = drv(inode, file, VIDIOC_G_FMT, fmt2);
850 if (err < 0) {
851 dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %d\n",err);
852 break;
853 }
854 if (mm->width != fmt2->fmt.pix.width ||
855 mm->height != fmt2->fmt.pix.height ||
856 palette_to_pixelformat(mm->format) !=
857 fmt2->fmt.pix.pixelformat)
858 {/* New capture format... */
859 fmt2->fmt.pix.width = mm->width;
860 fmt2->fmt.pix.height = mm->height;
861 fmt2->fmt.pix.pixelformat =
862 palette_to_pixelformat(mm->format);
863 fmt2->fmt.pix.field = V4L2_FIELD_ANY;
864 fmt2->fmt.pix.bytesperline = 0;
865 err = drv(inode, file, VIDIOC_S_FMT, fmt2);
866 if (err < 0) {
867 dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %d\n",err);
868 break;
869 }
870 }
871 buf2.index = mm->frame;
872 buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
873 err = drv(inode, file, VIDIOC_QUERYBUF, &buf2);
874 if (err < 0) {
875 dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %d\n",err);
876 break;
877 }
878 err = drv(inode, file, VIDIOC_QBUF, &buf2);
879 if (err < 0) {
880 dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %d\n",err);
881 break;
882 }
883 err = drv(inode, file, VIDIOC_STREAMON, &captype);
884 if (err < 0)
885 dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %d\n",err);
886 break;
887 }
888 case VIDIOCSYNC: /* wait for a frame */
889 {
890 int *i = arg;
891
892 buf2.index = *i;
893 buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
894 err = drv(inode, file, VIDIOC_QUERYBUF, &buf2);
895 if (err < 0) {
896 /* No such buffer */
897 dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n",err);
898 break;
899 }
900 if (!(buf2.flags & V4L2_BUF_FLAG_MAPPED)) {
901 /* Buffer is not mapped */
902 err = -EINVAL;
903 break;
904 }
905
906 /* make sure capture actually runs so we don't block forever */
907 err = drv(inode, file, VIDIOC_STREAMON, &captype);
908 if (err < 0) {
909 dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %d\n",err);
910 break;
911 }
912
913 /* Loop as long as the buffer is queued, but not done */
914 while ((buf2.flags &
915 (V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE))
916 == V4L2_BUF_FLAG_QUEUED)
917 {
918 err = poll_one(file);
919 if (err < 0 || /* error or sleep was interrupted */
920 err == 0) /* timeout? Shouldn't occur. */
921 break;
922 err = drv(inode, file, VIDIOC_QUERYBUF, &buf2);
923 if (err < 0)
924 dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n",err);
925 }
926 if (!(buf2.flags & V4L2_BUF_FLAG_DONE)) /* not done */
927 break;
928 do {
929 err = drv(inode, file, VIDIOC_DQBUF, &buf2);
930 if (err < 0)
931 dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %d\n",err);
932 } while (err == 0 && buf2.index != *i);
933 break;
934 }
935
936 case VIDIOCGVBIFMT: /* query VBI data capture format */
937 {
938 struct vbi_format *fmt = arg;
939
7408187d 940 fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
1da177e4
LT		 941 fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
942
943 err = drv(inode, file, VIDIOC_G_FMT, fmt2);
944 if (err < 0) {
945 dprintk("VIDIOCGVBIFMT / VIDIOC_G_FMT: %d\n", err);
946 break;
947 }
67f1570a
MS		 948 if (fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY) {
949 err = -EINVAL;
950 break;
951 }
1da177e4
LT		 952 memset(fmt, 0, sizeof(*fmt));
953 fmt->samples_per_line = fmt2->fmt.vbi.samples_per_line;
954 fmt->sampling_rate = fmt2->fmt.vbi.sampling_rate;
955 fmt->sample_format = VIDEO_PALETTE_RAW;
956 fmt->start[0] = fmt2->fmt.vbi.start[0];
957 fmt->count[0] = fmt2->fmt.vbi.count[0];
958 fmt->start[1] = fmt2->fmt.vbi.start[1];
959 fmt->count[1] = fmt2->fmt.vbi.count[1];
960 fmt->flags = fmt2->fmt.vbi.flags & 0x03;
4ac97914 961 break;
1da177e4
LT		 962 }
963 case VIDIOCSVBIFMT:
964 {
965 struct vbi_format *fmt = arg;
966
67f1570a
MS		 967 if (VIDEO_PALETTE_RAW != fmt->sample_format) {
968 err = -EINVAL;
969 break;
970 }
971
7408187d 972 fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
1da177e4
LT		 973
974 fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
975 fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line;
976 fmt2->fmt.vbi.sampling_rate = fmt->sampling_rate;
977 fmt2->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
978 fmt2->fmt.vbi.start[0] = fmt->start[0];
979 fmt2->fmt.vbi.count[0] = fmt->count[0];
980 fmt2->fmt.vbi.start[1] = fmt->start[1];
981 fmt2->fmt.vbi.count[1] = fmt->count[1];
982 fmt2->fmt.vbi.flags = fmt->flags;
983 err = drv(inode, file, VIDIOC_TRY_FMT, fmt2);
984 if (err < 0) {
985 dprintk("VIDIOCSVBIFMT / VIDIOC_TRY_FMT: %d\n", err);
986 break;
987 }
988
989 if (fmt2->fmt.vbi.samples_per_line != fmt->samples_per_line ||
990 fmt2->fmt.vbi.sampling_rate != fmt->sampling_rate ||
67f1570a 991 fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY ||
1da177e4
LT		 992 fmt2->fmt.vbi.start[0] != fmt->start[0] ||
993 fmt2->fmt.vbi.count[0] != fmt->count[0] ||
994 fmt2->fmt.vbi.start[1] != fmt->start[1] ||
995 fmt2->fmt.vbi.count[1] != fmt->count[1] ||
996 fmt2->fmt.vbi.flags != fmt->flags) {
997 err = -EINVAL;
998 break;
999 }
1000 err = drv(inode, file, VIDIOC_S_FMT, fmt2);
1001 if (err < 0)
1002 dprintk("VIDIOCSVBIFMT / VIDIOC_S_FMT: %d\n", err);
1003 break;
1004 }
1005
1006 default:
1007 err = -ENOIOCTLCMD;
1008 break;
1009 }
1010
2ea75330
JJ		 1011 kfree(cap2);
1012 kfree(fmt2);
1da177e4
LT		 1013 return err;
1014}
1015
1016EXPORT_SYMBOL(v4l_compat_translate_ioctl);
1017
1018/*
1019 * Local variables:
1020 * c-basic-offset: 8
1021 * End:
1022 */
kernel source for telekom puls (alcatel/mediatek)