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Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog
[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 *
43db48d3 14 * Author: Bill Dirks <bill@thedirks.org>
1da177e4
LT		 15 * et al.
16 *
17 */
18
1da177e4
LT		 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>
1da177e4
LT		 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>
5e87efa3 32#include <media/v4l2-common.h>
35ea11ff 33#include <media/v4l2-ioctl.h>
1da177e4
LT		 34
35#include <asm/uaccess.h>
36#include <asm/system.h>
37#include <asm/pgtable.h>
38
ff699e6b 39static unsigned int debug;
1da177e4 40module_param(debug, int, 0644);
8b3b90ac 41MODULE_PARM_DESC(debug, "enable debug messages");
1da177e4
LT		 42MODULE_AUTHOR("Bill Dirks");
43MODULE_DESCRIPTION("v4l(1) compatibility layer for v4l2 drivers.");
44MODULE_LICENSE("GPL");
45
8b3b90ac
MS		 46#define dprintk(fmt, arg...) \
47 do { \
48 if (debug) \
49 printk(KERN_DEBUG "v4l1-compat: " fmt , ## arg);\
50 } while (0)
1da177e4
LT		 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
59static int
b1f88407 60get_v4l_control(struct file *file,
1da177e4
LT		 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;
b1f88407 69 err = drv(file, VIDIOC_QUERYCTRL, &qctrl2);
1da177e4 70 if (err < 0)
8b3b90ac
MS		 71 dprintk("VIDIOC_QUERYCTRL: %d\n", err);
72 if (err == 0 && !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) {
1da177e4 73 ctrl2.id = qctrl2.id;
b1f88407 74 err = drv(file, VIDIOC_G_CTRL, &ctrl2);
1da177e4 75 if (err < 0) {
8b3b90ac 76 dprintk("VIDIOC_G_CTRL: %d\n", err);
1da177e4
LT		 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
86static int
b1f88407 87set_v4l_control(struct file *file,
1da177e4
LT		 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;
b1f88407 97 err = drv(file, VIDIOC_QUERYCTRL, &qctrl2);
1da177e4 98 if (err < 0)
8b3b90ac 99 dprintk("VIDIOC_QUERYCTRL: %d\n", err);
1da177e4
LT		 100 if (err == 0 &&
101 !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED) &&
8b3b90ac 102 !(qctrl2.flags & V4L2_CTRL_FLAG_GRABBED)) {
1da177e4
LT		 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;
b1f88407 115 err = drv(file, VIDIOC_S_CTRL, &ctrl2);
1da177e4 116 if (err < 0)
8b3b90ac 117 dprintk("VIDIOC_S_CTRL: %d\n", err);
1da177e4
LT		 118 }
119 return 0;
120}
121
122/* ----------------------------------------------------------------- */
123
c81010bf 124static const unsigned int palette2pixelformat[] = {
1da177e4
LT		 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
e8c44319 142static unsigned int __pure
1da177e4
LT		 143palette_to_pixelformat(unsigned int palette)
144{
145 if (palette < ARRAY_SIZE(palette2pixelformat))
146 return palette2pixelformat[palette];
147 else
148 return 0;
149}
150
5f12491c
TP		 151static unsigned int __attribute_const__
152pixelformat_to_palette(unsigned int pixelformat)
1da177e4
LT		 153{
154 int palette = 0;
8b3b90ac 155 switch (pixelformat) {
1da177e4
LT		 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
76e41e48 197static int poll_one(struct file *file, struct poll_wqueues *pwq)
1da177e4
LT		 198{
199 int retval = 1;
200 poll_table *table;
1da177e4 201
76e41e48
MS		 202 poll_initwait(pwq);
203 table = &pwq->pt;
1da177e4
LT		 204 for (;;) {
205 int mask;
1da177e4
LT		 206 mask = file->f_op->poll(file, table);
207 if (mask & POLLIN)
208 break;
209 table = NULL;
210 if (signal_pending(current)) {
211 retval = -ERESTARTSYS;
212 break;
213 }
5f820f64 214 poll_schedule(pwq, TASK_INTERRUPTIBLE);
1da177e4 215 }
76e41e48 216 poll_freewait(pwq);
1da177e4
LT		 217 return retval;
218}
219
b524f7b0 220static int count_inputs(
b524f7b0
MS		 221 struct file *file,
222 v4l2_kioctl drv)
1da177e4
LT		 223{
224 struct v4l2_input input2;
225 int i;
226
227 for (i = 0;; i++) {
8b3b90ac 228 memset(&input2, 0, sizeof(input2));
1da177e4 229 input2.index = i;
b1f88407 230 if (0 != drv(file, VIDIOC_ENUMINPUT, &input2))
1da177e4
LT		 231 break;
232 }
233 return i;
234}
235
b524f7b0 236static int check_size(
b524f7b0
MS		 237 struct file *file,
238 v4l2_kioctl drv,
239 int *maxw,
240 int *maxh)
1da177e4
LT		 241{
242 struct v4l2_fmtdesc desc2;
243 struct v4l2_format fmt2;
244
8b3b90ac
MS		 245 memset(&desc2, 0, sizeof(desc2));
246 memset(&fmt2, 0, sizeof(fmt2));
1da177e4
LT		 247
248 desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
b1f88407 249 if (0 != drv(file, VIDIOC_ENUM_FMT, &desc2))
1da177e4
LT		 250 goto done;
251
252 fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
253 fmt2.fmt.pix.width = 10000;
254 fmt2.fmt.pix.height = 10000;
255 fmt2.fmt.pix.pixelformat = desc2.pixelformat;
b1f88407 256 if (0 != drv(file, VIDIOC_TRY_FMT, &fmt2))
1da177e4
LT		 257 goto done;
258
259 *maxw = fmt2.fmt.pix.width;
260 *maxh = fmt2.fmt.pix.height;
261
b524f7b0 262done:
1da177e4
LT		 263 return 0;
264}
265
266/* ----------------------------------------------------------------- */
267
069b7479 268static noinline long v4l1_compat_get_capabilities(
b524f7b0 269 struct video_capability *cap,
b524f7b0
MS		 270 struct file *file,
271 v4l2_kioctl drv)
1da177e4 272{
069b7479 273 long err;
b524f7b0
MS		 274 struct v4l2_framebuffer fbuf;
275 struct v4l2_capability *cap2;
276
277 cap2 = kzalloc(sizeof(*cap2), GFP_KERNEL);
278 if (!cap2) {
279 err = -ENOMEM;
280 return err;
281 }
282 memset(cap, 0, sizeof(*cap));
283 memset(&fbuf, 0, sizeof(fbuf));
1da177e4 284
b1f88407 285 err = drv(file, VIDIOC_QUERYCAP, cap2);
b524f7b0 286 if (err < 0) {
069b7479 287 dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %ld\n", err);
b524f7b0
MS		 288 goto done;
289 }
290 if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) {
b1f88407 291 err = drv(file, VIDIOC_G_FBUF, &fbuf);
1da177e4 292 if (err < 0) {
069b7479 293 dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %ld\n", err);
b524f7b0 294 memset(&fbuf, 0, sizeof(fbuf));
1da177e4 295 }
b524f7b0 296 err = 0;
1da177e4 297 }
1da177e4 298
b524f7b0
MS		 299 memcpy(cap->name, cap2->card,
300 min(sizeof(cap->name), sizeof(cap2->card)));
301 cap->name[sizeof(cap->name) - 1] = 0;
302 if (cap2->capabilities & V4L2_CAP_VIDEO_CAPTURE)
303 cap->type |= VID_TYPE_CAPTURE;
304 if (cap2->capabilities & V4L2_CAP_TUNER)
305 cap->type |= VID_TYPE_TUNER;
306 if (cap2->capabilities & V4L2_CAP_VBI_CAPTURE)
307 cap->type |= VID_TYPE_TELETEXT;
308 if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY)
309 cap->type |= VID_TYPE_OVERLAY;
310 if (fbuf.capability & V4L2_FBUF_CAP_LIST_CLIPPING)
311 cap->type |= VID_TYPE_CLIPPING;
312
b1f88407
MCC		 313 cap->channels = count_inputs(file, drv);
314 check_size(file, drv,
b524f7b0
MS		 315 &cap->maxwidth, &cap->maxheight);
316 cap->audios = 0; /* FIXME */
317 cap->minwidth = 48; /* FIXME */
318 cap->minheight = 32; /* FIXME */
319
320done:
321 kfree(cap2);
322 return err;
323}
37026278 324
069b7479 325static noinline long v4l1_compat_get_frame_buffer(
b524f7b0 326 struct video_buffer *buffer,
b524f7b0
MS		 327 struct file *file,
328 v4l2_kioctl drv)
329{
069b7479 330 long err;
b524f7b0 331 struct v4l2_framebuffer fbuf;
1da177e4 332
b524f7b0
MS		 333 memset(buffer, 0, sizeof(*buffer));
334 memset(&fbuf, 0, sizeof(fbuf));
335
b1f88407 336 err = drv(file, VIDIOC_G_FBUF, &fbuf);
b524f7b0 337 if (err < 0) {
069b7479 338 dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %ld\n", err);
b524f7b0
MS		 339 goto done;
340 }
341 buffer->base = fbuf.base;
342 buffer->height = fbuf.fmt.height;
343 buffer->width = fbuf.fmt.width;
344
345 switch (fbuf.fmt.pixelformat) {
346 case V4L2_PIX_FMT_RGB332:
347 buffer->depth = 8;
1da177e4 348 break;
b524f7b0
MS		 349 case V4L2_PIX_FMT_RGB555:
350 buffer->depth = 15;
351 break;
352 case V4L2_PIX_FMT_RGB565:
353 buffer->depth = 16;
354 break;
355 case V4L2_PIX_FMT_BGR24:
356 buffer->depth = 24;
357 break;
358 case V4L2_PIX_FMT_BGR32:
359 buffer->depth = 32;
360 break;
361 default:
362 buffer->depth = 0;
1da177e4 363 }
b524f7b0
MS		 364 if (fbuf.fmt.bytesperline) {
365 buffer->bytesperline = fbuf.fmt.bytesperline;
366 if (!buffer->depth && buffer->width)
367 buffer->depth = ((fbuf.fmt.bytesperline<<3)
368 + (buffer->width-1))
369 / buffer->width;
370 } else {
371 buffer->bytesperline =
372 (buffer->width * buffer->depth + 7) & 7;
373 buffer->bytesperline >>= 3;
374 }
375done:
376 return err;
377}
378
069b7479 379static noinline long v4l1_compat_set_frame_buffer(
b524f7b0 380 struct video_buffer *buffer,
b524f7b0
MS		 381 struct file *file,
382 v4l2_kioctl drv)
383{
069b7479 384 long err;
b524f7b0
MS		 385 struct v4l2_framebuffer fbuf;
386
387 memset(&fbuf, 0, sizeof(fbuf));
388 fbuf.base = buffer->base;
389 fbuf.fmt.height = buffer->height;
390 fbuf.fmt.width = buffer->width;
391 switch (buffer->depth) {
392 case 8:
393 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB332;
394 break;
395 case 15:
396 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB555;
397 break;
398 case 16:
399 fbuf.fmt.pixelformat = V4L2_PIX_FMT_RGB565;
400 break;
401 case 24:
402 fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR24;
403 break;
404 case 32:
405 fbuf.fmt.pixelformat = V4L2_PIX_FMT_BGR32;
1da177e4
LT		 406 break;
407 }
b524f7b0 408 fbuf.fmt.bytesperline = buffer->bytesperline;
b1f88407 409 err = drv(file, VIDIOC_S_FBUF, &fbuf);
b524f7b0 410 if (err < 0)
069b7479 411 dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %ld\n", err);
b524f7b0
MS		 412 return err;
413}
1da177e4 414
069b7479 415static noinline long v4l1_compat_get_win_cap_dimensions(
b524f7b0 416 struct video_window *win,
b524f7b0
MS		 417 struct file *file,
418 v4l2_kioctl drv)
419{
069b7479 420 long err;
b524f7b0 421 struct v4l2_format *fmt;
1da177e4 422
b524f7b0
MS		 423 fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
424 if (!fmt) {
425 err = -ENOMEM;
426 return err;
427 }
428 memset(win, 0, sizeof(*win));
1da177e4 429
b524f7b0 430 fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
b1f88407 431 err = drv(file, VIDIOC_G_FMT, fmt);
b524f7b0 432 if (err < 0)
069b7479 433 dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %ld\n", err);
b524f7b0
MS		 434 if (err == 0) {
435 win->x = fmt->fmt.win.w.left;
436 win->y = fmt->fmt.win.w.top;
437 win->width = fmt->fmt.win.w.width;
438 win->height = fmt->fmt.win.w.height;
439 win->chromakey = fmt->fmt.win.chromakey;
1da177e4
LT		 440 win->clips = NULL;
441 win->clipcount = 0;
b524f7b0 442 goto done;
1da177e4 443 }
1da177e4 444
b524f7b0 445 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
b1f88407 446 err = drv(file, VIDIOC_G_FMT, fmt);
b524f7b0 447 if (err < 0) {
069b7479 448 dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %ld\n", err);
b524f7b0
MS		 449 goto done;
450 }
451 win->x = 0;
452 win->y = 0;
453 win->width = fmt->fmt.pix.width;
454 win->height = fmt->fmt.pix.height;
455 win->chromakey = 0;
456 win->clips = NULL;
457 win->clipcount = 0;
458done:
459 kfree(fmt);
460 return err;
461}
1da177e4 462
069b7479 463static noinline long v4l1_compat_set_win_cap_dimensions(
b524f7b0 464 struct video_window *win,
b524f7b0
MS		 465 struct file *file,
466 v4l2_kioctl drv)
467{
069b7479 468 long err, err1, err2;
b524f7b0
MS		 469 struct v4l2_format *fmt;
470
471 fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
472 if (!fmt) {
473 err = -ENOMEM;
474 return err;
1da177e4 475 }
b524f7b0 476 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
b1f88407
MCC		 477 drv(file, VIDIOC_STREAMOFF, &fmt->type);
478 err1 = drv(file, VIDIOC_G_FMT, fmt);
b524f7b0 479 if (err1 < 0)
069b7479 480 dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %ld\n", err1);
b524f7b0
MS		 481 if (err1 == 0) {
482 fmt->fmt.pix.width = win->width;
483 fmt->fmt.pix.height = win->height;
484 fmt->fmt.pix.field = V4L2_FIELD_ANY;
485 fmt->fmt.pix.bytesperline = 0;
b1f88407 486 err = drv(file, VIDIOC_S_FMT, fmt);
1da177e4 487 if (err < 0)
069b7479 488 dprintk("VIDIOCSWIN / VIDIOC_S_FMT #1: %ld\n",
b524f7b0
MS		 489 err);
490 win->width = fmt->fmt.pix.width;
491 win->height = fmt->fmt.pix.height;
1da177e4 492 }
1da177e4 493
b524f7b0
MS		 494 memset(fmt, 0, sizeof(*fmt));
495 fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
496 fmt->fmt.win.w.left = win->x;
497 fmt->fmt.win.w.top = win->y;
498 fmt->fmt.win.w.width = win->width;
499 fmt->fmt.win.w.height = win->height;
500 fmt->fmt.win.chromakey = win->chromakey;
501 fmt->fmt.win.clips = (void __user *)win->clips;
502 fmt->fmt.win.clipcount = win->clipcount;
b1f88407 503 err2 = drv(file, VIDIOC_S_FMT, fmt);
b524f7b0 504 if (err2 < 0)
069b7479 505 dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %ld\n", err2);
b524f7b0
MS		 506
507 if (err1 != 0 && err2 != 0)
508 err = err1;
509 else
510 err = 0;
511 kfree(fmt);
512 return err;
513}
1da177e4 514
069b7479 515static noinline long v4l1_compat_turn_preview_on_off(
b524f7b0 516 int *on,
b524f7b0
MS		 517 struct file *file,
518 v4l2_kioctl drv)
519{
069b7479 520 long err;
b524f7b0
MS		 521 enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
522
523 if (0 == *on) {
524 /* dirty hack time. But v4l1 has no STREAMOFF
525 * equivalent in the API, and this one at
526 * least comes close ... */
b1f88407 527 drv(file, VIDIOC_STREAMOFF, &captype);
1da177e4 528 }
b1f88407 529 err = drv(file, VIDIOC_OVERLAY, on);
b524f7b0 530 if (err < 0)
069b7479 531 dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %ld\n", err);
b524f7b0
MS		 532 return err;
533}
c77990e7 534
069b7479 535static noinline long v4l1_compat_get_input_info(
b524f7b0 536 struct video_channel *chan,
b524f7b0
MS		 537 struct file *file,
538 v4l2_kioctl drv)
539{
069b7479 540 long err;
b524f7b0
MS		 541 struct v4l2_input input2;
542 v4l2_std_id sid;
8a016dcc 543
b524f7b0
MS		 544 memset(&input2, 0, sizeof(input2));
545 input2.index = chan->channel;
b1f88407 546 err = drv(file, VIDIOC_ENUMINPUT, &input2);
b524f7b0
MS		 547 if (err < 0) {
548 dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: "
069b7479 549 "channel=%d err=%ld\n", chan->channel, err);
b524f7b0
MS		 550 goto done;
551 }
552 chan->channel = input2.index;
553 memcpy(chan->name, input2.name,
554 min(sizeof(chan->name), sizeof(input2.name)));
555 chan->name[sizeof(chan->name) - 1] = 0;
556 chan->tuners = (input2.type == V4L2_INPUT_TYPE_TUNER) ? 1 : 0;
557 chan->flags = (chan->tuners) ? VIDEO_VC_TUNER : 0;
558 switch (input2.type) {
559 case V4L2_INPUT_TYPE_TUNER:
560 chan->type = VIDEO_TYPE_TV;
561 break;
562 default:
563 case V4L2_INPUT_TYPE_CAMERA:
564 chan->type = VIDEO_TYPE_CAMERA;
1da177e4
LT		 565 break;
566 }
b524f7b0 567 chan->norm = 0;
b1f88407 568 err = drv(file, VIDIOC_G_STD, &sid);
b524f7b0 569 if (err < 0)
069b7479 570 dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %ld\n", err);
b524f7b0
MS		 571 if (err == 0) {
572 if (sid & V4L2_STD_PAL)
573 chan->norm = VIDEO_MODE_PAL;
574 if (sid & V4L2_STD_NTSC)
575 chan->norm = VIDEO_MODE_NTSC;
576 if (sid & V4L2_STD_SECAM)
577 chan->norm = VIDEO_MODE_SECAM;
578 }
579done:
580 return err;
581}
bbe2486f 582
069b7479 583static noinline long v4l1_compat_set_input(
b524f7b0 584 struct video_channel *chan,
b524f7b0
MS		 585 struct file *file,
586 v4l2_kioctl drv)
587{
069b7479 588 long err;
b524f7b0 589 v4l2_std_id sid = 0;
1da177e4 590
b1f88407 591 err = drv(file, VIDIOC_S_INPUT, &chan->channel);
b524f7b0 592 if (err < 0)
069b7479 593 dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %ld\n", err);
b524f7b0
MS		 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;
1da177e4
LT		 603 break;
604 }
b524f7b0 605 if (0 != sid) {
b1f88407 606 err = drv(file, VIDIOC_S_STD, &sid);
1da177e4 607 if (err < 0)
069b7479 608 dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %ld\n", err);
1da177e4 609 }
b524f7b0
MS		 610 return err;
611}
2aa92ffd 612
069b7479 613static noinline long v4l1_compat_get_picture(
b524f7b0 614 struct video_picture *pict,
b524f7b0
MS		 615 struct file *file,
616 v4l2_kioctl drv)
617{
069b7479 618 long err;
b524f7b0 619 struct v4l2_format *fmt;
2aa92ffd 620
b524f7b0
MS		 621 fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
622 if (!fmt) {
623 err = -ENOMEM;
624 return err;
1da177e4 625 }
1da177e4 626
b1f88407 627 pict->brightness = get_v4l_control(file,
b524f7b0 628 V4L2_CID_BRIGHTNESS, drv);
b1f88407 629 pict->hue = get_v4l_control(file,
b524f7b0 630 V4L2_CID_HUE, drv);
b1f88407 631 pict->contrast = get_v4l_control(file,
b524f7b0 632 V4L2_CID_CONTRAST, drv);
b1f88407 633 pict->colour = get_v4l_control(file,
b524f7b0 634 V4L2_CID_SATURATION, drv);
b1f88407 635 pict->whiteness = get_v4l_control(file,
b524f7b0
MS		 636 V4L2_CID_WHITENESS, drv);
637
638 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
b1f88407 639 err = drv(file, VIDIOC_G_FMT, fmt);
b524f7b0 640 if (err < 0) {
069b7479 641 dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %ld\n", err);
b524f7b0 642 goto done;
1da177e4 643 }
1da177e4 644
b524f7b0
MS		 645 pict->depth = ((fmt->fmt.pix.bytesperline << 3)
646 + (fmt->fmt.pix.width - 1))
647 / fmt->fmt.pix.width;
648 pict->palette = pixelformat_to_palette(
649 fmt->fmt.pix.pixelformat);
650done:
651 kfree(fmt);
652 return err;
653}
654
069b7479 655static noinline long v4l1_compat_set_picture(
b524f7b0 656 struct video_picture *pict,
b524f7b0
MS		 657 struct file *file,
658 v4l2_kioctl drv)
659{
069b7479 660 long err;
b524f7b0
MS		 661 struct v4l2_framebuffer fbuf;
662 int mem_err = 0, ovl_err = 0;
663 struct v4l2_format *fmt;
664
665 fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
666 if (!fmt) {
667 err = -ENOMEM;
668 return err;
669 }
670 memset(&fbuf, 0, sizeof(fbuf));
671
b1f88407 672 set_v4l_control(file,
b524f7b0 673 V4L2_CID_BRIGHTNESS, pict->brightness, drv);
b1f88407 674 set_v4l_control(file,
b524f7b0 675 V4L2_CID_HUE, pict->hue, drv);
b1f88407 676 set_v4l_control(file,
b524f7b0 677 V4L2_CID_CONTRAST, pict->contrast, drv);
b1f88407 678 set_v4l_control(file,
b524f7b0 679 V4L2_CID_SATURATION, pict->colour, drv);
b1f88407 680 set_v4l_control(file,
b524f7b0
MS		 681 V4L2_CID_WHITENESS, pict->whiteness, drv);
682 /*
683 * V4L1 uses this ioctl to set both memory capture and overlay
684 * pixel format, while V4L2 has two different ioctls for this.
685 * Some cards may not support one or the other, and may support
686 * different pixel formats for memory vs overlay.
687 */
688
689 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
b1f88407 690 err = drv(file, VIDIOC_G_FMT, fmt);
b524f7b0
MS		 691 /* If VIDIOC_G_FMT failed, then the driver likely doesn't
692 support memory capture. Trying to set the memory capture
693 parameters would be pointless. */
694 if (err < 0) {
069b7479 695 dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %ld\n", err);
b524f7b0
MS		 696 mem_err = -1000; /* didn't even try */
697 } else if (fmt->fmt.pix.pixelformat !=
698 palette_to_pixelformat(pict->palette)) {
699 fmt->fmt.pix.pixelformat = palette_to_pixelformat(
700 pict->palette);
b1f88407 701 mem_err = drv(file, VIDIOC_S_FMT, fmt);
b524f7b0
MS		 702 if (mem_err < 0)
703 dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",
704 mem_err);
1da177e4 705 }
1da177e4 706
b1f88407 707 err = drv(file, VIDIOC_G_FBUF, &fbuf);
b524f7b0
MS		 708 /* If VIDIOC_G_FBUF failed, then the driver likely doesn't
709 support overlay. Trying to set the overlay parameters
710 would be quite pointless. */
711 if (err < 0) {
069b7479 712 dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %ld\n", err);
b524f7b0
MS		 713 ovl_err = -1000; /* didn't even try */
714 } else if (fbuf.fmt.pixelformat !=
715 palette_to_pixelformat(pict->palette)) {
716 fbuf.fmt.pixelformat = palette_to_pixelformat(
717 pict->palette);
b1f88407 718 ovl_err = drv(file, VIDIOC_S_FBUF, &fbuf);
b524f7b0
MS		 719 if (ovl_err < 0)
720 dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",
721 ovl_err);
722 }
723 if (ovl_err < 0 && mem_err < 0) {
724 /* ioctl failed, couldn't set either parameter */
725 if (mem_err != -1000)
726 err = mem_err;
727 else if (ovl_err == -EPERM)
1da177e4 728 err = 0;
b524f7b0
MS		 729 else
730 err = ovl_err;
731 } else
732 err = 0;
733 kfree(fmt);
734 return err;
735}
736
069b7479 737static noinline long v4l1_compat_get_tuner(
b524f7b0 738 struct video_tuner *tun,
b524f7b0
MS		 739 struct file *file,
740 v4l2_kioctl drv)
741{
069b7479
HV		 742 long err;
743 int i;
b524f7b0
MS		 744 struct v4l2_tuner tun2;
745 struct v4l2_standard std2;
746 v4l2_std_id sid;
747
748 memset(&tun2, 0, sizeof(tun2));
b1f88407 749 err = drv(file, VIDIOC_G_TUNER, &tun2);
b524f7b0 750 if (err < 0) {
069b7479 751 dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %ld\n", err);
b524f7b0
MS		 752 goto done;
753 }
754 memcpy(tun->name, tun2.name,
755 min(sizeof(tun->name), sizeof(tun2.name)));
756 tun->name[sizeof(tun->name) - 1] = 0;
757 tun->rangelow = tun2.rangelow;
758 tun->rangehigh = tun2.rangehigh;
759 tun->flags = 0;
760 tun->mode = VIDEO_MODE_AUTO;
761
762 for (i = 0; i < 64; i++) {
763 memset(&std2, 0, sizeof(std2));
764 std2.index = i;
b1f88407 765 if (0 != drv(file, VIDIOC_ENUMSTD, &std2))
1da177e4 766 break;
b524f7b0
MS		 767 if (std2.id & V4L2_STD_PAL)
768 tun->flags |= VIDEO_TUNER_PAL;
769 if (std2.id & V4L2_STD_NTSC)
770 tun->flags |= VIDEO_TUNER_NTSC;
771 if (std2.id & V4L2_STD_SECAM)
772 tun->flags |= VIDEO_TUNER_SECAM;
773 }
ac19ecc6 774
b1f88407 775 err = drv(file, VIDIOC_G_STD, &sid);
b524f7b0 776 if (err < 0)
069b7479 777 dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %ld\n", err);
b524f7b0
MS		 778 if (err == 0) {
779 if (sid & V4L2_STD_PAL)
780 tun->mode = VIDEO_MODE_PAL;
781 if (sid & V4L2_STD_NTSC)
782 tun->mode = VIDEO_MODE_NTSC;
783 if (sid & V4L2_STD_SECAM)
784 tun->mode = VIDEO_MODE_SECAM;
1da177e4 785 }
1da177e4 786
b524f7b0
MS		 787 if (tun2.capability & V4L2_TUNER_CAP_LOW)
788 tun->flags |= VIDEO_TUNER_LOW;
789 if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
790 tun->flags |= VIDEO_TUNER_STEREO_ON;
791 tun->signal = tun2.signal;
792done:
793 return err;
794}
1da177e4 795
069b7479 796static noinline long v4l1_compat_select_tuner(
b524f7b0 797 struct video_tuner *tun,
b524f7b0
MS		 798 struct file *file,
799 v4l2_kioctl drv)
800{
069b7479 801 long err;
b524f7b0
MS		 802 struct v4l2_tuner t;/*84 bytes on x86_64*/
803 memset(&t, 0, sizeof(t));
1da177e4 804
b524f7b0
MS		 805 t.index = tun->tuner;
806
b1f88407 807 err = drv(file, VIDIOC_S_INPUT, &t);
b524f7b0 808 if (err < 0)
069b7479 809 dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %ld\n", err);
b524f7b0
MS		 810 return err;
811}
812
069b7479 813static noinline long v4l1_compat_get_frequency(
b524f7b0 814 unsigned long *freq,
b524f7b0
MS		 815 struct file *file,
816 v4l2_kioctl drv)
817{
069b7479 818 long err;
b524f7b0
MS		 819 struct v4l2_frequency freq2;
820 memset(&freq2, 0, sizeof(freq2));
821
822 freq2.tuner = 0;
b1f88407 823 err = drv(file, VIDIOC_G_FREQUENCY, &freq2);
b524f7b0 824 if (err < 0)
069b7479 825 dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %ld\n", err);
b524f7b0
MS		 826 if (0 == err)
827 *freq = freq2.frequency;
828 return err;
829}
830
069b7479 831static noinline long v4l1_compat_set_frequency(
b524f7b0 832 unsigned long *freq,
b524f7b0
MS		 833 struct file *file,
834 v4l2_kioctl drv)
835{
069b7479 836 long err;
b524f7b0
MS		 837 struct v4l2_frequency freq2;
838 memset(&freq2, 0, sizeof(freq2));
839
b1f88407 840 drv(file, VIDIOC_G_FREQUENCY, &freq2);
b524f7b0 841 freq2.frequency = *freq;
b1f88407 842 err = drv(file, VIDIOC_S_FREQUENCY, &freq2);
b524f7b0 843 if (err < 0)
069b7479 844 dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %ld\n", err);
b524f7b0
MS		 845 return err;
846}
847
069b7479 848static noinline long v4l1_compat_get_audio(
b524f7b0 849 struct video_audio *aud,
b524f7b0
MS		 850 struct file *file,
851 v4l2_kioctl drv)
852{
069b7479
HV		 853 long err;
854 int i;
b524f7b0
MS		 855 struct v4l2_queryctrl qctrl2;
856 struct v4l2_audio aud2;
857 struct v4l2_tuner tun2;
858 memset(&aud2, 0, sizeof(aud2));
859
b1f88407 860 err = drv(file, VIDIOC_G_AUDIO, &aud2);
b524f7b0 861 if (err < 0) {
069b7479 862 dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %ld\n", err);
b524f7b0
MS		 863 goto done;
864 }
865 memcpy(aud->name, aud2.name,
866 min(sizeof(aud->name), sizeof(aud2.name)));
867 aud->name[sizeof(aud->name) - 1] = 0;
868 aud->audio = aud2.index;
869 aud->flags = 0;
b1f88407 870 i = get_v4l_control(file, V4L2_CID_AUDIO_VOLUME, drv);
b524f7b0
MS		 871 if (i >= 0) {
872 aud->volume = i;
873 aud->flags |= VIDEO_AUDIO_VOLUME;
874 }
b1f88407 875 i = get_v4l_control(file, V4L2_CID_AUDIO_BASS, drv);
b524f7b0
MS		 876 if (i >= 0) {
877 aud->bass = i;
878 aud->flags |= VIDEO_AUDIO_BASS;
879 }
b1f88407 880 i = get_v4l_control(file, V4L2_CID_AUDIO_TREBLE, drv);
b524f7b0
MS		 881 if (i >= 0) {
882 aud->treble = i;
883 aud->flags |= VIDEO_AUDIO_TREBLE;
884 }
b1f88407 885 i = get_v4l_control(file, V4L2_CID_AUDIO_BALANCE, drv);
b524f7b0
MS		 886 if (i >= 0) {
887 aud->balance = i;
888 aud->flags |= VIDEO_AUDIO_BALANCE;
889 }
b1f88407 890 i = get_v4l_control(file, V4L2_CID_AUDIO_MUTE, drv);
b524f7b0
MS		 891 if (i >= 0) {
892 if (i)
893 aud->flags |= VIDEO_AUDIO_MUTE;
894 aud->flags |= VIDEO_AUDIO_MUTABLE;
895 }
896 aud->step = 1;
897 qctrl2.id = V4L2_CID_AUDIO_VOLUME;
b1f88407 898 if (drv(file, VIDIOC_QUERYCTRL, &qctrl2) == 0 &&
b524f7b0
MS		 899 !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED))
900 aud->step = qctrl2.step;
901 aud->mode = 0;
902
903 memset(&tun2, 0, sizeof(tun2));
b1f88407 904 err = drv(file, VIDIOC_G_TUNER, &tun2);
b524f7b0 905 if (err < 0) {
069b7479 906 dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %ld\n", err);
1da177e4 907 err = 0;
b524f7b0 908 goto done;
1da177e4 909 }
1da177e4 910
b524f7b0
MS		 911 if (tun2.rxsubchans & V4L2_TUNER_SUB_LANG2)
912 aud->mode = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2;
913 else if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO)
914 aud->mode = VIDEO_SOUND_STEREO;
915 else if (tun2.rxsubchans & V4L2_TUNER_SUB_MONO)
916 aud->mode = VIDEO_SOUND_MONO;
917done:
918 return err;
919}
1da177e4 920
069b7479 921static noinline long v4l1_compat_set_audio(
b524f7b0 922 struct video_audio *aud,
b524f7b0
MS		 923 struct file *file,
924 v4l2_kioctl drv)
925{
069b7479 926 long err;
b524f7b0
MS		 927 struct v4l2_audio aud2;
928 struct v4l2_tuner tun2;
929
930 memset(&aud2, 0, sizeof(aud2));
931 memset(&tun2, 0, sizeof(tun2));
932
933 aud2.index = aud->audio;
b1f88407 934 err = drv(file, VIDIOC_S_AUDIO, &aud2);
b524f7b0 935 if (err < 0) {
069b7479 936 dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %ld\n", err);
b524f7b0
MS		 937 goto done;
938 }
939
b1f88407 940 set_v4l_control(file, V4L2_CID_AUDIO_VOLUME,
b524f7b0 941 aud->volume, drv);
b1f88407 942 set_v4l_control(file, V4L2_CID_AUDIO_BASS,
b524f7b0 943 aud->bass, drv);
b1f88407 944 set_v4l_control(file, V4L2_CID_AUDIO_TREBLE,
b524f7b0 945 aud->treble, drv);
b1f88407 946 set_v4l_control(file, V4L2_CID_AUDIO_BALANCE,
b524f7b0 947 aud->balance, drv);
b1f88407 948 set_v4l_control(file, V4L2_CID_AUDIO_MUTE,
b524f7b0
MS		 949 !!(aud->flags & VIDEO_AUDIO_MUTE), drv);
950
b1f88407 951 err = drv(file, VIDIOC_G_TUNER, &tun2);
b524f7b0 952 if (err < 0)
069b7479 953 dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %ld\n", err);
b524f7b0
MS		 954 if (err == 0) {
955 switch (aud->mode) {
956 default:
957 case VIDEO_SOUND_MONO:
958 case VIDEO_SOUND_LANG1:
959 tun2.audmode = V4L2_TUNER_MODE_MONO;
1da177e4 960 break;
b524f7b0
MS		 961 case VIDEO_SOUND_STEREO:
962 tun2.audmode = V4L2_TUNER_MODE_STEREO;
1da177e4 963 break;
b524f7b0
MS		 964 case VIDEO_SOUND_LANG2:
965 tun2.audmode = V4L2_TUNER_MODE_LANG2;
1da177e4
LT		 966 break;
967 }
b1f88407 968 err = drv(file, VIDIOC_S_TUNER, &tun2);
1da177e4 969 if (err < 0)
069b7479 970 dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %ld\n", err);
1da177e4 971 }
b524f7b0
MS		 972 err = 0;
973done:
974 return err;
975}
1da177e4 976
069b7479 977static noinline long v4l1_compat_capture_frame(
b524f7b0 978 struct video_mmap *mm,
b524f7b0
MS		 979 struct file *file,
980 v4l2_kioctl drv)
981{
069b7479 982 long err;
b524f7b0
MS		 983 enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
984 struct v4l2_buffer buf;
985 struct v4l2_format *fmt;
1da177e4 986
b524f7b0
MS		 987 fmt = kzalloc(sizeof(*fmt), GFP_KERNEL);
988 if (!fmt) {
989 err = -ENOMEM;
990 return err;
991 }
992 memset(&buf, 0, sizeof(buf));
993
994 fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
b1f88407 995 err = drv(file, VIDIOC_G_FMT, fmt);
b524f7b0 996 if (err < 0) {
069b7479 997 dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %ld\n", err);
b524f7b0
MS		 998 goto done;
999 }
1000 if (mm->width != fmt->fmt.pix.width ||
1001 mm->height != fmt->fmt.pix.height ||
1002 palette_to_pixelformat(mm->format) !=
1003 fmt->fmt.pix.pixelformat) {
1004 /* New capture format... */
1005 fmt->fmt.pix.width = mm->width;
1006 fmt->fmt.pix.height = mm->height;
1007 fmt->fmt.pix.pixelformat =
1008 palette_to_pixelformat(mm->format);
1009 fmt->fmt.pix.field = V4L2_FIELD_ANY;
1010 fmt->fmt.pix.bytesperline = 0;
b1f88407 1011 err = drv(file, VIDIOC_S_FMT, fmt);
1da177e4 1012 if (err < 0) {
069b7479 1013 dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %ld\n", err);
b524f7b0 1014 goto done;
1da177e4 1015 }
b524f7b0
MS		 1016 }
1017 buf.index = mm->frame;
1018 buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
b1f88407 1019 err = drv(file, VIDIOC_QUERYBUF, &buf);
b524f7b0 1020 if (err < 0) {
069b7479 1021 dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %ld\n", err);
b524f7b0
MS		 1022 goto done;
1023 }
b1f88407 1024 err = drv(file, VIDIOC_QBUF, &buf);
b524f7b0 1025 if (err < 0) {
069b7479 1026 dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %ld\n", err);
b524f7b0
MS		 1027 goto done;
1028 }
b1f88407 1029 err = drv(file, VIDIOC_STREAMON, &captype);
b524f7b0 1030 if (err < 0)
069b7479 1031 dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %ld\n", err);
b524f7b0
MS		 1032done:
1033 kfree(fmt);
1034 return err;
1035}
1da177e4 1036
069b7479 1037static noinline long v4l1_compat_sync(
b524f7b0 1038 int *i,
b524f7b0
MS		 1039 struct file *file,
1040 v4l2_kioctl drv)
1041{
069b7479 1042 long err;
b524f7b0
MS		 1043 enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1044 struct v4l2_buffer buf;
76e41e48 1045 struct poll_wqueues *pwq;
b524f7b0
MS		 1046
1047 memset(&buf, 0, sizeof(buf));
1048 buf.index = *i;
1049 buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
b1f88407 1050 err = drv(file, VIDIOC_QUERYBUF, &buf);
b524f7b0
MS		 1051 if (err < 0) {
1052 /* No such buffer */
069b7479 1053 dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %ld\n", err);
b524f7b0
MS		 1054 goto done;
1055 }
1056 if (!(buf.flags & V4L2_BUF_FLAG_MAPPED)) {
1057 /* Buffer is not mapped */
1058 err = -EINVAL;
1059 goto done;
1da177e4
LT		 1060 }
1061
b524f7b0 1062 /* make sure capture actually runs so we don't block forever */
b1f88407 1063 err = drv(file, VIDIOC_STREAMON, &captype);
b524f7b0 1064 if (err < 0) {
069b7479 1065 dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %ld\n", err);
b524f7b0
MS		 1066 goto done;
1067 }
1da177e4 1068
76e41e48 1069 pwq = kmalloc(sizeof(*pwq), GFP_KERNEL);
b524f7b0
MS		 1070 /* Loop as long as the buffer is queued, but not done */
1071 while ((buf.flags & (V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE))
1072 == V4L2_BUF_FLAG_QUEUED) {
76e41e48 1073 err = poll_one(file, pwq);
b524f7b0
MS		 1074 if (err < 0 || /* error or sleep was interrupted */
1075 err == 0) /* timeout? Shouldn't occur. */
c77990e7 1076 break;
b1f88407 1077 err = drv(file, VIDIOC_QUERYBUF, &buf);
b524f7b0 1078 if (err < 0)
069b7479 1079 dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %ld\n", err);
b524f7b0 1080 }
76e41e48 1081 kfree(pwq);
b524f7b0
MS		 1082 if (!(buf.flags & V4L2_BUF_FLAG_DONE)) /* not done */
1083 goto done;
1084 do {
b1f88407 1085 err = drv(file, VIDIOC_DQBUF, &buf);
b524f7b0 1086 if (err < 0)
069b7479 1087 dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %ld\n", err);
b524f7b0
MS		 1088 } while (err == 0 && buf.index != *i);
1089done:
1090 return err;
1091}
1da177e4 1092
069b7479 1093static noinline long v4l1_compat_get_vbi_format(
b524f7b0 1094 struct vbi_format *fmt,
b524f7b0
MS		 1095 struct file *file,
1096 v4l2_kioctl drv)
1097{
069b7479 1098 long err;
b524f7b0
MS		 1099 struct v4l2_format *fmt2;
1100
1101 fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL);
1102 if (!fmt2) {
1103 err = -ENOMEM;
1104 return err;
1da177e4 1105 }
b524f7b0 1106 fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1da177e4 1107
b1f88407 1108 err = drv(file, VIDIOC_G_FMT, fmt2);
b524f7b0 1109 if (err < 0) {
069b7479 1110 dprintk("VIDIOCGVBIFMT / VIDIOC_G_FMT: %ld\n", err);
b524f7b0
MS		 1111 goto done;
1112 }
1113 if (fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY) {
1114 err = -EINVAL;
1115 goto done;
1116 }
1117 memset(fmt, 0, sizeof(*fmt));
1118 fmt->samples_per_line = fmt2->fmt.vbi.samples_per_line;
1119 fmt->sampling_rate = fmt2->fmt.vbi.sampling_rate;
1120 fmt->sample_format = VIDEO_PALETTE_RAW;
1121 fmt->start[0] = fmt2->fmt.vbi.start[0];
1122 fmt->count[0] = fmt2->fmt.vbi.count[0];
1123 fmt->start[1] = fmt2->fmt.vbi.start[1];
1124 fmt->count[1] = fmt2->fmt.vbi.count[1];
1125 fmt->flags = fmt2->fmt.vbi.flags & 0x03;
1126done:
1127 kfree(fmt2);
1128 return err;
1129}
67f1570a 1130
069b7479 1131static noinline long v4l1_compat_set_vbi_format(
b524f7b0 1132 struct vbi_format *fmt,
b524f7b0
MS		 1133 struct file *file,
1134 v4l2_kioctl drv)
1135{
069b7479 1136 long err;
b524f7b0 1137 struct v4l2_format *fmt2 = NULL;
1da177e4 1138
b524f7b0
MS		 1139 if (VIDEO_PALETTE_RAW != fmt->sample_format) {
1140 err = -EINVAL;
1141 return err;
1142 }
1143
1144 fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL);
1145 if (!fmt2) {
1146 err = -ENOMEM;
1147 return err;
1da177e4 1148 }
b524f7b0
MS		 1149 fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1150 fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line;
1151 fmt2->fmt.vbi.sampling_rate = fmt->sampling_rate;
1152 fmt2->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1153 fmt2->fmt.vbi.start[0] = fmt->start[0];
1154 fmt2->fmt.vbi.count[0] = fmt->count[0];
1155 fmt2->fmt.vbi.start[1] = fmt->start[1];
1156 fmt2->fmt.vbi.count[1] = fmt->count[1];
1157 fmt2->fmt.vbi.flags = fmt->flags;
b1f88407 1158 err = drv(file, VIDIOC_TRY_FMT, fmt2);
b524f7b0 1159 if (err < 0) {
069b7479 1160 dprintk("VIDIOCSVBIFMT / VIDIOC_TRY_FMT: %ld\n", err);
b524f7b0
MS		 1161 goto done;
1162 }
1163
1164 if (fmt2->fmt.vbi.samples_per_line != fmt->samples_per_line ||
1165 fmt2->fmt.vbi.sampling_rate != fmt->sampling_rate ||
1166 fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY ||
1167 fmt2->fmt.vbi.start[0] != fmt->start[0] ||
1168 fmt2->fmt.vbi.count[0] != fmt->count[0] ||
1169 fmt2->fmt.vbi.start[1] != fmt->start[1] ||
1170 fmt2->fmt.vbi.count[1] != fmt->count[1] ||
1171 fmt2->fmt.vbi.flags != fmt->flags) {
1172 err = -EINVAL;
1173 goto done;
1174 }
b1f88407 1175 err = drv(file, VIDIOC_S_FMT, fmt2);
b524f7b0 1176 if (err < 0)
069b7479 1177 dprintk("VIDIOCSVBIFMT / VIDIOC_S_FMT: %ld\n", err);
b524f7b0
MS		 1178done:
1179 kfree(fmt2);
1180 return err;
1181}
1182
1183/*
1184 * This function is exported.
1185 */
069b7479 1186long
b1f88407 1187v4l_compat_translate_ioctl(struct file *file,
b524f7b0
MS		 1188 int cmd,
1189 void *arg,
1190 v4l2_kioctl drv)
1191{
069b7479 1192 long err;
1da177e4 1193
b524f7b0
MS		 1194 switch (cmd) {
1195 case VIDIOCGCAP: /* capability */
b1f88407 1196 err = v4l1_compat_get_capabilities(arg, file, drv);
b524f7b0
MS		 1197 break;
1198 case VIDIOCGFBUF: /* get frame buffer */
b1f88407 1199 err = v4l1_compat_get_frame_buffer(arg, file, drv);
b524f7b0
MS		 1200 break;
1201 case VIDIOCSFBUF: /* set frame buffer */
b1f88407 1202 err = v4l1_compat_set_frame_buffer(arg, file, drv);
b524f7b0
MS		 1203 break;
1204 case VIDIOCGWIN: /* get window or capture dimensions */
b1f88407 1205 err = v4l1_compat_get_win_cap_dimensions(arg, file, drv);
b524f7b0
MS		 1206 break;
1207 case VIDIOCSWIN: /* set window and/or capture dimensions */
b1f88407 1208 err = v4l1_compat_set_win_cap_dimensions(arg, file, drv);
b524f7b0
MS		 1209 break;
1210 case VIDIOCCAPTURE: /* turn on/off preview */
b1f88407 1211 err = v4l1_compat_turn_preview_on_off(arg, file, drv);
b524f7b0
MS		 1212 break;
1213 case VIDIOCGCHAN: /* get input information */
b1f88407 1214 err = v4l1_compat_get_input_info(arg, file, drv);
b524f7b0
MS		 1215 break;
1216 case VIDIOCSCHAN: /* set input */
b1f88407 1217 err = v4l1_compat_set_input(arg, file, drv);
b524f7b0
MS		 1218 break;
1219 case VIDIOCGPICT: /* get tone controls & partial capture format */
b1f88407 1220 err = v4l1_compat_get_picture(arg, file, drv);
b524f7b0
MS		 1221 break;
1222 case VIDIOCSPICT: /* set tone controls & partial capture format */
b1f88407 1223 err = v4l1_compat_set_picture(arg, file, drv);
b524f7b0
MS		 1224 break;
1225 case VIDIOCGTUNER: /* get tuner information */
b1f88407 1226 err = v4l1_compat_get_tuner(arg, file, drv);
b524f7b0
MS		 1227 break;
1228 case VIDIOCSTUNER: /* select a tuner input */
b1f88407 1229 err = v4l1_compat_select_tuner(arg, file, drv);
b524f7b0
MS		 1230 break;
1231 case VIDIOCGFREQ: /* get frequency */
b1f88407 1232 err = v4l1_compat_get_frequency(arg, file, drv);
b524f7b0
MS		 1233 break;
1234 case VIDIOCSFREQ: /* set frequency */
b1f88407 1235 err = v4l1_compat_set_frequency(arg, file, drv);
b524f7b0
MS		 1236 break;
1237 case VIDIOCGAUDIO: /* get audio properties/controls */
b1f88407 1238 err = v4l1_compat_get_audio(arg, file, drv);
b524f7b0
MS		 1239 break;
1240 case VIDIOCSAUDIO: /* set audio controls */
b1f88407 1241 err = v4l1_compat_set_audio(arg, file, drv);
b524f7b0
MS		 1242 break;
1243 case VIDIOCMCAPTURE: /* capture a frame */
b1f88407 1244 err = v4l1_compat_capture_frame(arg, file, drv);
b524f7b0
MS		 1245 break;
1246 case VIDIOCSYNC: /* wait for a frame */
b1f88407 1247 err = v4l1_compat_sync(arg, file, drv);
b524f7b0
MS		 1248 break;
1249 case VIDIOCGVBIFMT: /* query VBI data capture format */
b1f88407 1250 err = v4l1_compat_get_vbi_format(arg, file, drv);
b524f7b0
MS		 1251 break;
1252 case VIDIOCSVBIFMT:
b1f88407 1253 err = v4l1_compat_set_vbi_format(arg, file, drv);
b524f7b0 1254 break;
1da177e4
LT		 1255 default:
1256 err = -ENOIOCTLCMD;
1257 break;
1258 }
1259
1da177e4
LT		 1260 return err;
1261}
1da177e4
LT		 1262EXPORT_SYMBOL(v4l_compat_translate_ioctl);
1263
1264/*
1265 * Local variables:
1266 * c-basic-offset: 8
1267 * End:
1268 */
kernel source for telekom puls (alcatel/mediatek)