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V4L/DVB (6055): ivtv: improve debug messages
[deliverable/linux.git] / drivers / media / video / ivtv / ivtv-ioctl.c
CommitLineData
1a0adaf3
HV		 1/*
2 ioctl system call
3 Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
4 Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include "ivtv-driver.h"
22#include "ivtv-version.h"
23#include "ivtv-mailbox.h"
24#include "ivtv-i2c.h"
25#include "ivtv-queue.h"
26#include "ivtv-fileops.h"
27#include "ivtv-vbi.h"
28#include "ivtv-audio.h"
29#include "ivtv-video.h"
30#include "ivtv-streams.h"
31#include "ivtv-yuv.h"
32#include "ivtv-ioctl.h"
33#include "ivtv-gpio.h"
34#include "ivtv-controls.h"
35#include "ivtv-cards.h"
36#include <media/saa7127.h>
37#include <media/tveeprom.h>
38#include <media/v4l2-chip-ident.h>
39#include <linux/dvb/audio.h>
40#include <linux/i2c-id.h>
41
42u16 service2vbi(int type)
43{
44 switch (type) {
45 case V4L2_SLICED_TELETEXT_B:
46 return IVTV_SLICED_TYPE_TELETEXT_B;
47 case V4L2_SLICED_CAPTION_525:
48 return IVTV_SLICED_TYPE_CAPTION_525;
49 case V4L2_SLICED_WSS_625:
50 return IVTV_SLICED_TYPE_WSS_625;
51 case V4L2_SLICED_VPS:
52 return IVTV_SLICED_TYPE_VPS;
53 default:
54 return 0;
55 }
56}
57
58static int valid_service_line(int field, int line, int is_pal)
59{
60 return (is_pal && line >= 6 && (line != 23 || field == 0)) ||
61 (!is_pal && line >= 10 && line < 22);
62}
63
64static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
65{
66 u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
67 int i;
68
69 set = set & valid_set;
70 if (set == 0 || !valid_service_line(field, line, is_pal)) {
71 return 0;
72 }
73 if (!is_pal) {
74 if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
75 return V4L2_SLICED_CAPTION_525;
76 }
77 else {
78 if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
79 return V4L2_SLICED_VPS;
80 if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
81 return V4L2_SLICED_WSS_625;
82 if (line == 23)
83 return 0;
84 }
85 for (i = 0; i < 32; i++) {
86 if ((1 << i) & set)
87 return 1 << i;
88 }
89 return 0;
90}
91
92void expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
93{
94 u16 set = fmt->service_set;
95 int f, l;
96
97 fmt->service_set = 0;
98 for (f = 0; f < 2; f++) {
99 for (l = 0; l < 24; l++) {
100 fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
101 }
102 }
103}
104
105static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
106{
107 int f, l;
108 u16 set = 0;
109
110 for (f = 0; f < 2; f++) {
111 for (l = 0; l < 24; l++) {
112 fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
113 set |= fmt->service_lines[f][l];
114 }
115 }
116 return set != 0;
117}
118
119u16 get_service_set(struct v4l2_sliced_vbi_format *fmt)
120{
121 int f, l;
122 u16 set = 0;
123
124 for (f = 0; f < 2; f++) {
125 for (l = 0; l < 24; l++) {
126 set |= fmt->service_lines[f][l];
127 }
128 }
129 return set;
130}
131
132static const struct {
133 v4l2_std_id std;
134 char *name;
135} enum_stds[] = {
136 { V4L2_STD_PAL_BG | V4L2_STD_PAL_H, "PAL-BGH" },
137 { V4L2_STD_PAL_DK, "PAL-DK" },
138 { V4L2_STD_PAL_I, "PAL-I" },
139 { V4L2_STD_PAL_M, "PAL-M" },
140 { V4L2_STD_PAL_N, "PAL-N" },
141 { V4L2_STD_PAL_Nc, "PAL-Nc" },
142 { V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H, "SECAM-BGH" },
143 { V4L2_STD_SECAM_DK, "SECAM-DK" },
144 { V4L2_STD_SECAM_L, "SECAM-L" },
145 { V4L2_STD_SECAM_LC, "SECAM-L'" },
146 { V4L2_STD_NTSC_M, "NTSC-M" },
147 { V4L2_STD_NTSC_M_JP, "NTSC-J" },
148 { V4L2_STD_NTSC_M_KR, "NTSC-K" },
149};
150
151static const struct v4l2_standard ivtv_std_60hz =
152{
153 .frameperiod = {.numerator = 1001, .denominator = 30000},
154 .framelines = 525,
155};
156
157static const struct v4l2_standard ivtv_std_50hz =
158{
159 .frameperiod = {.numerator = 1, .denominator = 25},
160 .framelines = 625,
161};
162
163void ivtv_set_osd_alpha(struct ivtv *itv)
164{
165 ivtv_vapi(itv, CX2341X_OSD_SET_GLOBAL_ALPHA, 3,
166 itv->osd_global_alpha_state, itv->osd_global_alpha, !itv->osd_local_alpha_state);
167 ivtv_vapi(itv, CX2341X_OSD_SET_CHROMA_KEY, 2, itv->osd_color_key_state, itv->osd_color_key);
168}
169
170int ivtv_set_speed(struct ivtv *itv, int speed)
171{
172 u32 data[CX2341X_MBOX_MAX_DATA];
173 struct ivtv_stream *s;
174 int single_step = (speed == 1 || speed == -1);
175 DEFINE_WAIT(wait);
176
177 if (speed == 0) speed = 1000;
178
179 /* No change? */
180 if (speed == itv->speed && !single_step)
181 return 0;
182
183 s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
184
185 if (single_step && (speed < 0) == (itv->speed < 0)) {
186 /* Single step video and no need to change direction */
187 ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
188 itv->speed = speed;
189 return 0;
190 }
191 if (single_step)
192 /* Need to change direction */
193 speed = speed < 0 ? -1000 : 1000;
194
195 data[0] = (speed > 1000 || speed < -1000) ? 0x80000000 : 0;
196 data[0] |= (speed > 1000 || speed < -1500) ? 0x40000000 : 0;
197 data[1] = (speed < 0);
198 data[2] = speed < 0 ? 3 : 7;
199 data[3] = itv->params.video_b_frames;
200 data[4] = (speed == 1500 || speed == 500) ? itv->speed_mute_audio : 0;
201 data[5] = 0;
202 data[6] = 0;
203
204 if (speed == 1500 || speed == -1500) data[0] |= 1;
205 else if (speed == 2000 || speed == -2000) data[0] |= 2;
206 else if (speed > -1000 && speed < 0) data[0] |= (-1000 / speed);
207 else if (speed < 1000 && speed > 0) data[0] |= (1000 / speed);
208
209 /* If not decoding, just change speed setting */
210 if (atomic_read(&itv->decoding) > 0) {
211 int got_sig = 0;
212
213 /* Stop all DMA and decoding activity */
214 ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1, 0);
215
216 /* Wait for any DMA to finish */
217 prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
218 while (itv->i_flags & IVTV_F_I_DMA) {
219 got_sig = signal_pending(current);
220 if (got_sig)
221 break;
222 got_sig = 0;
223 schedule();
224 }
225 finish_wait(&itv->dma_waitq, &wait);
226 if (got_sig)
227 return -EINTR;
228
229 /* Change Speed safely */
230 ivtv_api(itv, CX2341X_DEC_SET_PLAYBACK_SPEED, 7, data);
231 IVTV_DEBUG_INFO("Setting Speed to 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
232 data[0], data[1], data[2], data[3], data[4], data[5], data[6]);
233 }
234 if (single_step) {
235 speed = (speed < 0) ? -1 : 1;
236 ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
237 }
238 itv->speed = speed;
239 return 0;
240}
241
242static int ivtv_validate_speed(int cur_speed, int new_speed)
243{
244 int fact = new_speed < 0 ? -1 : 1;
245 int s;
246
247 if (new_speed < 0) new_speed = -new_speed;
248 if (cur_speed < 0) cur_speed = -cur_speed;
249
250 if (cur_speed <= new_speed) {
251 if (new_speed > 1500) return fact * 2000;
252 if (new_speed > 1000) return fact * 1500;
253 }
254 else {
255 if (new_speed >= 2000) return fact * 2000;
256 if (new_speed >= 1500) return fact * 1500;
257 if (new_speed >= 1000) return fact * 1000;
258 }
259 if (new_speed == 0) return 1000;
260 if (new_speed == 1 || new_speed == 1000) return fact * new_speed;
261
262 s = new_speed;
263 new_speed = 1000 / new_speed;
264 if (1000 / cur_speed == new_speed)
265 new_speed += (cur_speed < s) ? -1 : 1;
266 if (new_speed > 60) return 1000 / (fact * 60);
267 return 1000 / (fact * new_speed);
268}
269
270static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id,
271 struct video_command *vc, int try)
272{
273 struct ivtv_stream *s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
274
275 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
276 return -EINVAL;
277
278 switch (vc->cmd) {
279 case VIDEO_CMD_PLAY: {
25415cf3 280 vc->flags = 0;
1a0adaf3
HV		 281 vc->play.speed = ivtv_validate_speed(itv->speed, vc->play.speed);
282 if (vc->play.speed < 0)
283 vc->play.format = VIDEO_PLAY_FMT_GOP;
284 if (try) break;
285
286 if (ivtv_set_output_mode(itv, OUT_MPG) != OUT_MPG)
287 return -EBUSY;
ac425144
HV		 288 if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
289 /* forces ivtv_set_speed to be called */
290 itv->speed = 0;
291 }
1a0adaf3
HV		 292 return ivtv_start_decoding(id, vc->play.speed);
293 }
294
295 case VIDEO_CMD_STOP:
018ba85b 296 vc->flags &= VIDEO_CMD_STOP_IMMEDIATELY|VIDEO_CMD_STOP_TO_BLACK;
1a0adaf3
HV		 297 if (vc->flags & VIDEO_CMD_STOP_IMMEDIATELY)
298 vc->stop.pts = 0;
299 if (try) break;
300 if (atomic_read(&itv->decoding) == 0)
301 return 0;
302 if (itv->output_mode != OUT_MPG)
303 return -EBUSY;
304
305 itv->output_mode = OUT_NONE;
306 return ivtv_stop_v4l2_decode_stream(s, vc->flags, vc->stop.pts);
307
308 case VIDEO_CMD_FREEZE:
018ba85b 309 vc->flags &= VIDEO_CMD_FREEZE_TO_BLACK;
1a0adaf3
HV		 310 if (try) break;
311 if (itv->output_mode != OUT_MPG)
312 return -EBUSY;
313 if (atomic_read(&itv->decoding) > 0) {
314 ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1,
315 (vc->flags & VIDEO_CMD_FREEZE_TO_BLACK) ? 1 : 0);
ac425144 316 set_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags);
1a0adaf3
HV		 317 }
318 break;
319
320 case VIDEO_CMD_CONTINUE:
25415cf3 321 vc->flags = 0;
1a0adaf3
HV		 322 if (try) break;
323 if (itv->output_mode != OUT_MPG)
324 return -EBUSY;
ac425144
HV		 325 if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
326 int speed = itv->speed;
327 itv->speed = 0;
328 return ivtv_start_decoding(id, speed);
1a0adaf3
HV		 329 }
330 break;
331
332 default:
333 return -EINVAL;
334 }
335 return 0;
336}
337
338static int ivtv_itvc(struct ivtv *itv, unsigned int cmd, void *arg)
339{
340 struct v4l2_register *regs = arg;
341 unsigned long flags;
342 volatile u8 __iomem *reg_start;
343
344 if (!capable(CAP_SYS_ADMIN))
345 return -EPERM;
346 if (regs->reg >= IVTV_REG_OFFSET && regs->reg < IVTV_REG_OFFSET + IVTV_REG_SIZE)
347 reg_start = itv->reg_mem - IVTV_REG_OFFSET;
348 else if (itv->has_cx23415 && regs->reg >= IVTV_DECODER_OFFSET &&
349 regs->reg < IVTV_DECODER_OFFSET + IVTV_DECODER_SIZE)
350 reg_start = itv->dec_mem - IVTV_DECODER_OFFSET;
351 else if (regs->reg >= 0 && regs->reg < IVTV_ENCODER_SIZE)
352 reg_start = itv->enc_mem;
353 else
354 return -EINVAL;
355
356 spin_lock_irqsave(&ivtv_cards_lock, flags);
357 if (cmd == VIDIOC_DBG_G_REGISTER) {
358 regs->val = readl(regs->reg + reg_start);
359 } else {
360 writel(regs->val, regs->reg + reg_start);
361 }
362 spin_unlock_irqrestore(&ivtv_cards_lock, flags);
363 return 0;
364}
365
366static int ivtv_get_fmt(struct ivtv *itv, int streamtype, struct v4l2_format *fmt)
367{
368 switch (fmt->type) {
369 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
370 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
371 return -EINVAL;
1a0adaf3
HV		 372 fmt->fmt.pix.width = itv->main_rect.width;
373 fmt->fmt.pix.height = itv->main_rect.height;
374 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
375 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
376 if (itv->output_mode == OUT_UDMA_YUV) {
377 switch (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) {
378 case IVTV_YUV_MODE_INTERLACED:
379 fmt->fmt.pix.field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) ?
380 V4L2_FIELD_INTERLACED_BT : V4L2_FIELD_INTERLACED_TB;
381 break;
382 case IVTV_YUV_MODE_PROGRESSIVE:
383 fmt->fmt.pix.field = V4L2_FIELD_NONE;
384 break;
385 default:
386 fmt->fmt.pix.field = V4L2_FIELD_ANY;
387 break;
388 }
389 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
390 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
391 fmt->fmt.pix.sizeimage =
392 fmt->fmt.pix.height * fmt->fmt.pix.width +
393 fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
394 }
395 else if (itv->output_mode == OUT_YUV ||
396 streamtype == IVTV_ENC_STREAM_TYPE_YUV ||
397 streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
398 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
399 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
400 fmt->fmt.pix.sizeimage =
401 fmt->fmt.pix.height * fmt->fmt.pix.width +
402 fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
403 } else {
404 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
405 fmt->fmt.pix.sizeimage = 128 * 1024;
406 }
407 break;
408
409 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1a0adaf3
HV		 410 fmt->fmt.pix.width = itv->params.width;
411 fmt->fmt.pix.height = itv->params.height;
412 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
413 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
414 if (streamtype == IVTV_ENC_STREAM_TYPE_YUV ||
415 streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
416 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
417 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
418 fmt->fmt.pix.sizeimage =
419 fmt->fmt.pix.height * fmt->fmt.pix.width +
420 fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
421 } else {
422 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
423 fmt->fmt.pix.sizeimage = 128 * 1024;
424 }
425 break;
426
427 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
428 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
429 return -EINVAL;
430 fmt->fmt.win.chromakey = itv->osd_color_key;
431 fmt->fmt.win.global_alpha = itv->osd_global_alpha;
432 break;
433
434 case V4L2_BUF_TYPE_VBI_CAPTURE:
435 fmt->fmt.vbi.sampling_rate = 27000000;
436 fmt->fmt.vbi.offset = 248;
437 fmt->fmt.vbi.samples_per_line = itv->vbi.raw_decoder_line_size - 4;
438 fmt->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
439 fmt->fmt.vbi.start[0] = itv->vbi.start[0];
440 fmt->fmt.vbi.start[1] = itv->vbi.start[1];
441 fmt->fmt.vbi.count[0] = fmt->fmt.vbi.count[1] = itv->vbi.count;
442 break;
443
444 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
445 {
446 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
447
448 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
449 return -EINVAL;
450 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
451 memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
452 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
453 if (itv->is_60hz) {
454 vbifmt->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
455 vbifmt->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
456 } else {
457 vbifmt->service_lines[0][23] = V4L2_SLICED_WSS_625;
458 vbifmt->service_lines[0][16] = V4L2_SLICED_VPS;
459 }
460 vbifmt->service_set = get_service_set(vbifmt);
461 break;
462 }
463
464 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
465 {
466 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
467
468 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
469 memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
470 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
471
472 if (streamtype == IVTV_DEC_STREAM_TYPE_VBI) {
473 vbifmt->service_set = itv->is_50hz ? V4L2_SLICED_VBI_625 :
474 V4L2_SLICED_VBI_525;
475 expand_service_set(vbifmt, itv->is_50hz);
476 break;
477 }
478
479 itv->video_dec_func(itv, VIDIOC_G_FMT, fmt);
480 vbifmt->service_set = get_service_set(vbifmt);
481 break;
482 }
483 case V4L2_BUF_TYPE_VBI_OUTPUT:
484 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
485 default:
486 return -EINVAL;
487 }
488 return 0;
489}
490
491static int ivtv_try_or_set_fmt(struct ivtv *itv, int streamtype,
492 struct v4l2_format *fmt, int set_fmt)
493{
494 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
495 u16 set;
496
497 if (fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
498 struct v4l2_rect r;
499 int field;
500
501 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
502 return -EINVAL;
503 field = fmt->fmt.pix.field;
c74e83a8
HV		 504 r.top = 0;
505 r.left = 0;
1a0adaf3
HV		 506 r.width = fmt->fmt.pix.width;
507 r.height = fmt->fmt.pix.height;
508 ivtv_get_fmt(itv, streamtype, fmt);
509 if (itv->output_mode != OUT_UDMA_YUV) {
510 /* TODO: would setting the rect also be valid for this mode? */
1a0adaf3
HV		 511 fmt->fmt.pix.width = r.width;
512 fmt->fmt.pix.height = r.height;
513 }
514 if (itv->output_mode == OUT_UDMA_YUV) {
515 /* TODO: add checks for validity */
516 fmt->fmt.pix.field = field;
517 }
518 if (set_fmt) {
519 if (itv->output_mode == OUT_UDMA_YUV) {
520 switch (field) {
521 case V4L2_FIELD_NONE:
522 itv->yuv_info.lace_mode = IVTV_YUV_MODE_PROGRESSIVE;
523 break;
524 case V4L2_FIELD_ANY:
525 itv->yuv_info.lace_mode = IVTV_YUV_MODE_AUTO;
526 break;
527 case V4L2_FIELD_INTERLACED_BT:
528 itv->yuv_info.lace_mode =
529 IVTV_YUV_MODE_INTERLACED|IVTV_YUV_SYNC_ODD;
530 break;
531 case V4L2_FIELD_INTERLACED_TB:
532 default:
533 itv->yuv_info.lace_mode = IVTV_YUV_MODE_INTERLACED;
534 break;
535 }
536 itv->yuv_info.lace_sync_field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) == IVTV_YUV_SYNC_EVEN ? 0 : 1;
537
538 /* Force update of yuv registers */
539 itv->yuv_info.yuv_forced_update = 1;
540 return 0;
541 }
1a0adaf3
HV		 542 }
543 return 0;
544 }
545
546 if (fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY) {
547 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
548 return -EINVAL;
549 if (set_fmt) {
550 itv->osd_color_key = fmt->fmt.win.chromakey;
551 itv->osd_global_alpha = fmt->fmt.win.global_alpha;
552 ivtv_set_osd_alpha(itv);
553 }
554 return 0;
555 }
556
557 /* set window size */
558 if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
559 int w = fmt->fmt.pix.width;
560 int h = fmt->fmt.pix.height;
561
562 if (w > 720) w = 720;
563 else if (w < 1) w = 1;
564 if (h > (itv->is_50hz ? 576 : 480)) h = (itv->is_50hz ? 576 : 480);
565 else if (h < 2) h = 2;
566 ivtv_get_fmt(itv, streamtype, fmt);
567 fmt->fmt.pix.width = w;
568 fmt->fmt.pix.height = h;
569
570 if (!set_fmt || (itv->params.width == w && itv->params.height == h))
571 return 0;
572 if (atomic_read(&itv->capturing) > 0)
573 return -EBUSY;
574
575 itv->params.width = w;
576 itv->params.height = h;
577 if (w != 720 || h != (itv->is_50hz ? 576 : 480))
578 itv->params.video_temporal_filter = 0;
579 else
580 itv->params.video_temporal_filter = 8;
581 itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
582 return ivtv_get_fmt(itv, streamtype, fmt);
583 }
584
585 /* set raw VBI format */
586 if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
587 if (set_fmt && streamtype == IVTV_ENC_STREAM_TYPE_VBI &&
588 itv->vbi.sliced_in->service_set &&
589 atomic_read(&itv->capturing) > 0) {
590 return -EBUSY;
591 }
592 if (set_fmt) {
593 itv->vbi.sliced_in->service_set = 0;
594 itv->video_dec_func(itv, VIDIOC_S_FMT, &itv->vbi.in);
595 }
596 return ivtv_get_fmt(itv, streamtype, fmt);
597 }
598
599 /* set sliced VBI output
600 In principle the user could request that only certain
601 VBI types are output and that the others are ignored.
602 I.e., suppress CC in the even fields or only output
603 WSS and no VPS. Currently though there is no choice. */
604 if (fmt->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
605 return ivtv_get_fmt(itv, streamtype, fmt);
606
607 /* any else but sliced VBI capture is an error */
608 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
609 return -EINVAL;
610
611 if (streamtype == IVTV_DEC_STREAM_TYPE_VBI)
612 return ivtv_get_fmt(itv, streamtype, fmt);
613
614 /* set sliced VBI capture format */
615 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
616 memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
617
618 if (vbifmt->service_set)
619 expand_service_set(vbifmt, itv->is_50hz);
620 set = check_service_set(vbifmt, itv->is_50hz);
621 vbifmt->service_set = get_service_set(vbifmt);
622
623 if (!set_fmt)
624 return 0;
625 if (set == 0)
626 return -EINVAL;
627 if (atomic_read(&itv->capturing) > 0 && itv->vbi.sliced_in->service_set == 0) {
628 return -EBUSY;
629 }
630 itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
631 memcpy(itv->vbi.sliced_in, vbifmt, sizeof(*itv->vbi.sliced_in));
632 return 0;
633}
634
d4e7ee36 635static int ivtv_debug_ioctls(struct file *filp, unsigned int cmd, void *arg)
1a0adaf3
HV		 636{
637 struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
638 struct ivtv *itv = id->itv;
639 struct v4l2_register *reg = arg;
640
641 switch (cmd) {
642 /* ioctls to allow direct access to the encoder registers for testing */
643 case VIDIOC_DBG_G_REGISTER:
1a0adaf3
HV		 644 if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
645 return ivtv_itvc(itv, cmd, arg);
646 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
647 return ivtv_i2c_id(itv, reg->match_chip, cmd, arg);
648 return ivtv_call_i2c_client(itv, reg->match_chip, cmd, arg);
649
650 case VIDIOC_DBG_S_REGISTER:
1a0adaf3
HV		 651 if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
652 return ivtv_itvc(itv, cmd, arg);
653 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
654 return ivtv_i2c_id(itv, reg->match_chip, cmd, arg);
655 return ivtv_call_i2c_client(itv, reg->match_chip, cmd, arg);
656
657 case VIDIOC_G_CHIP_IDENT: {
658 struct v4l2_chip_ident *chip = arg;
659
1a0adaf3
HV		 660 chip->ident = V4L2_IDENT_NONE;
661 chip->revision = 0;
662 if (reg->match_type == V4L2_CHIP_MATCH_HOST) {
663 if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) {
664 struct v4l2_chip_ident *chip = arg;
665
666 chip->ident = itv->has_cx23415 ? V4L2_IDENT_CX23415 : V4L2_IDENT_CX23416;
667 }
668 return 0;
669 }
670 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
671 return ivtv_i2c_id(itv, reg->match_chip, cmd, arg);
672 if (reg->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
673 return ivtv_call_i2c_client(itv, reg->match_chip, cmd, arg);
674 return -EINVAL;
675 }
676
677 case VIDIOC_INT_S_AUDIO_ROUTING: {
678 struct v4l2_routing *route = arg;
679
1a0adaf3
HV		 680 ivtv_audio_set_route(itv, route);
681 break;
682 }
683
2cc72095
HV		 684 case VIDIOC_INT_RESET: {
685 u32 val = *(u32 *)arg;
686
687 if ((val == 0 && itv->options.newi2c) || (val & 0x01)) {
688 ivtv_reset_ir_gpio(itv);
689 }
690 if (val & 0x02) {
691 itv->video_dec_func(itv, cmd, 0);
692 }
1a0adaf3 693 break;
2cc72095 694 }
1a0adaf3
HV		 695
696 default:
697 return -EINVAL;
698 }
699 return 0;
700}
701
702int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void *arg)
703{
704 struct ivtv_open_id *id = NULL;
705
706 if (filp) id = (struct ivtv_open_id *)filp->private_data;
707
708 switch (cmd) {
d46c17d7
HV		 709 case VIDIOC_G_PRIORITY:
710 {
711 enum v4l2_priority *p = arg;
712
713 *p = v4l2_prio_max(&itv->prio);
714 break;
715 }
716
717 case VIDIOC_S_PRIORITY:
718 {
719 enum v4l2_priority *prio = arg;
720
721 return v4l2_prio_change(&itv->prio, &id->prio, *prio);
722 }
723
1a0adaf3
HV		 724 case VIDIOC_QUERYCAP:{
725 struct v4l2_capability *vcap = arg;
726
1a0adaf3
HV		 727 memset(vcap, 0, sizeof(*vcap));
728 strcpy(vcap->driver, IVTV_DRIVER_NAME); /* driver name */
729 strcpy(vcap->card, itv->card_name); /* card type */
730 strcpy(vcap->bus_info, pci_name(itv->dev)); /* bus info... */
731 vcap->version = IVTV_DRIVER_VERSION; /* version */
732 vcap->capabilities = itv->v4l2_cap; /* capabilities */
733
734 /* reserved.. must set to 0! */
735 vcap->reserved[0] = vcap->reserved[1] =
736 vcap->reserved[2] = vcap->reserved[3] = 0;
737 break;
738 }
739
740 case VIDIOC_ENUMAUDIO:{
741 struct v4l2_audio *vin = arg;
742
1a0adaf3
HV		 743 return ivtv_get_audio_input(itv, vin->index, vin);
744 }
745
746 case VIDIOC_G_AUDIO:{
747 struct v4l2_audio *vin = arg;
748
1a0adaf3
HV		 749 vin->index = itv->audio_input;
750 return ivtv_get_audio_input(itv, vin->index, vin);
751 }
752
753 case VIDIOC_S_AUDIO:{
754 struct v4l2_audio *vout = arg;
755
1a0adaf3
HV		 756 if (vout->index >= itv->nof_audio_inputs)
757 return -EINVAL;
758 itv->audio_input = vout->index;
759 ivtv_audio_set_io(itv);
760 break;
761 }
762
763 case VIDIOC_ENUMAUDOUT:{
764 struct v4l2_audioout *vin = arg;
765
1a0adaf3
HV		 766 /* set it to defaults from our table */
767 return ivtv_get_audio_output(itv, vin->index, vin);
768 }
769
770 case VIDIOC_G_AUDOUT:{
771 struct v4l2_audioout *vin = arg;
772
1a0adaf3
HV		 773 vin->index = 0;
774 return ivtv_get_audio_output(itv, vin->index, vin);
775 }
776
777 case VIDIOC_S_AUDOUT:{
778 struct v4l2_audioout *vout = arg;
779
1a0adaf3
HV		 780 return ivtv_get_audio_output(itv, vout->index, vout);
781 }
782
783 case VIDIOC_ENUMINPUT:{
784 struct v4l2_input *vin = arg;
785
1a0adaf3
HV		 786 /* set it to defaults from our table */
787 return ivtv_get_input(itv, vin->index, vin);
788 }
789
790 case VIDIOC_ENUMOUTPUT:{
791 struct v4l2_output *vout = arg;
792
1a0adaf3
HV		 793 return ivtv_get_output(itv, vout->index, vout);
794 }
795
796 case VIDIOC_TRY_FMT:
797 case VIDIOC_S_FMT: {
798 struct v4l2_format *fmt = arg;
799
1a0adaf3
HV		 800 return ivtv_try_or_set_fmt(itv, id->type, fmt, cmd == VIDIOC_S_FMT);
801 }
802
803 case VIDIOC_G_FMT: {
804 struct v4l2_format *fmt = arg;
805 int type = fmt->type;
806
1a0adaf3
HV		 807 memset(fmt, 0, sizeof(*fmt));
808 fmt->type = type;
809 return ivtv_get_fmt(itv, id->type, fmt);
810 }
811
987e00ba
HV		 812 case VIDIOC_CROPCAP: {
813 struct v4l2_cropcap *cropcap = arg;
814
815 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
816 cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
817 return -EINVAL;
818 cropcap->bounds.top = cropcap->bounds.left = 0;
819 cropcap->bounds.width = 720;
820 if (cropcap->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
821 cropcap->bounds.height = itv->is_50hz ? 576 : 480;
822 cropcap->pixelaspect.numerator = itv->is_50hz ? 59 : 10;
823 cropcap->pixelaspect.denominator = itv->is_50hz ? 54 : 11;
824 } else {
825 cropcap->bounds.height = itv->is_out_50hz ? 576 : 480;
826 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
827 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
828 }
829 cropcap->defrect = cropcap->bounds;
830 return 0;
831 }
832
1a0adaf3
HV		 833 case VIDIOC_S_CROP: {
834 struct v4l2_crop *crop = arg;
835
987e00ba
HV		 836 if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
837 (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
838 if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
839 crop->c.width, crop->c.height, crop->c.left, crop->c.top)) {
840 itv->main_rect = crop->c;
841 return 0;
842 }
843 return -EINVAL;
844 }
1a0adaf3
HV		 845 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
846 return -EINVAL;
847 return itv->video_dec_func(itv, VIDIOC_S_CROP, arg);
848 }
849
850 case VIDIOC_G_CROP: {
851 struct v4l2_crop *crop = arg;
852
987e00ba
HV		 853 if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
854 (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
855 crop->c = itv->main_rect;
856 return 0;
857 }
1a0adaf3
HV		 858 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
859 return -EINVAL;
860 return itv->video_dec_func(itv, VIDIOC_G_CROP, arg);
861 }
862
863 case VIDIOC_ENUM_FMT: {
864 static struct v4l2_fmtdesc formats[] = {
865 { 0, 0, 0,
866 "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12,
867 { 0, 0, 0, 0 }
868 },
869 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
870 "MPEG", V4L2_PIX_FMT_MPEG,
871 { 0, 0, 0, 0 }
872 }
873 };
874 struct v4l2_fmtdesc *fmt = arg;
875 enum v4l2_buf_type type = fmt->type;
876
877 switch (type) {
878 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
879 break;
880 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
881 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
882 return -EINVAL;
883 break;
884 default:
885 return -EINVAL;
886 }
887 if (fmt->index > 1)
888 return -EINVAL;
889 *fmt = formats[fmt->index];
890 fmt->type = type;
891 return 0;
892 }
893
894 case VIDIOC_G_INPUT:{
1a0adaf3
HV		 895 *(int *)arg = itv->active_input;
896 break;
897 }
898
899 case VIDIOC_S_INPUT:{
900 int inp = *(int *)arg;
901
1a0adaf3
HV		 902 if (inp < 0 || inp >= itv->nof_inputs)
903 return -EINVAL;
904
905 if (inp == itv->active_input) {
906 IVTV_DEBUG_INFO("Input unchanged\n");
907 break;
908 }
3562c43b
HV		 909 if (atomic_read(&itv->capturing) > 0) {
910 return -EBUSY;
911 }
1a0adaf3
HV		 912 IVTV_DEBUG_INFO("Changing input from %d to %d\n",
913 itv->active_input, inp);
914
915 itv->active_input = inp;
916 /* Set the audio input to whatever is appropriate for the
917 input type. */
918 itv->audio_input = itv->card->video_inputs[inp].audio_index;
919
920 /* prevent others from messing with the streams until
921 we're finished changing inputs. */
922 ivtv_mute(itv);
923 ivtv_video_set_io(itv);
924 ivtv_audio_set_io(itv);
925 ivtv_unmute(itv);
926 break;
927 }
928
929 case VIDIOC_G_OUTPUT:{
1a0adaf3
HV		 930 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
931 return -EINVAL;
932 *(int *)arg = itv->active_output;
933 break;
934 }
935
936 case VIDIOC_S_OUTPUT:{
937 int outp = *(int *)arg;
938 struct v4l2_routing route;
939
1a0adaf3
HV		 940 if (outp >= itv->card->nof_outputs)
941 return -EINVAL;
942
943 if (outp == itv->active_output) {
944 IVTV_DEBUG_INFO("Output unchanged\n");
945 break;
946 }
947 IVTV_DEBUG_INFO("Changing output from %d to %d\n",
948 itv->active_output, outp);
949
950 itv->active_output = outp;
951 route.input = SAA7127_INPUT_TYPE_NORMAL;
952 route.output = itv->card->video_outputs[outp].video_output;
953 ivtv_saa7127(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
954 break;
955 }
956
957 case VIDIOC_G_FREQUENCY:{
958 struct v4l2_frequency *vf = arg;
959
1a0adaf3
HV		 960 if (vf->tuner != 0)
961 return -EINVAL;
962 ivtv_call_i2c_clients(itv, cmd, arg);
963 break;
964 }
965
966 case VIDIOC_S_FREQUENCY:{
967 struct v4l2_frequency vf = *(struct v4l2_frequency *)arg;
968
1a0adaf3
HV		 969 if (vf.tuner != 0)
970 return -EINVAL;
971
972 ivtv_mute(itv);
973 IVTV_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf.frequency);
974 ivtv_call_i2c_clients(itv, cmd, &vf);
975 ivtv_unmute(itv);
976 break;
977 }
978
979 case VIDIOC_ENUMSTD:{
980 struct v4l2_standard *vs = arg;
981 int idx = vs->index;
982
1a0adaf3
HV		 983 if (idx < 0 || idx >= ARRAY_SIZE(enum_stds))
984 return -EINVAL;
985
986 *vs = (enum_stds[idx].std & V4L2_STD_525_60) ?
987 ivtv_std_60hz : ivtv_std_50hz;
988 vs->index = idx;
989 vs->id = enum_stds[idx].std;
990 strcpy(vs->name, enum_stds[idx].name);
991 break;
992 }
993
994 case VIDIOC_G_STD:{
1a0adaf3
HV		 995 *(v4l2_std_id *) arg = itv->std;
996 break;
997 }
998
999 case VIDIOC_S_STD: {
1000 v4l2_std_id std = *(v4l2_std_id *) arg;
1001
1a0adaf3
HV		 1002 if ((std & V4L2_STD_ALL) == 0)
1003 return -EINVAL;
1004
1005 if (std == itv->std)
1006 break;
1007
1008 if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ||
1009 atomic_read(&itv->capturing) > 0 ||
1010 atomic_read(&itv->decoding) > 0) {
1011 /* Switching standard would turn off the radio or mess
1012 with already running streams, prevent that by
1013 returning EBUSY. */
1014 return -EBUSY;
1015 }
1016
1017 itv->std = std;
1018 itv->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0;
1019 itv->params.is_50hz = itv->is_50hz = !itv->is_60hz;
1020 itv->params.width = 720;
1021 itv->params.height = itv->is_50hz ? 576 : 480;
1022 itv->vbi.count = itv->is_50hz ? 18 : 12;
1023 itv->vbi.start[0] = itv->is_50hz ? 6 : 10;
1024 itv->vbi.start[1] = itv->is_50hz ? 318 : 273;
1025 if (itv->hw_flags & IVTV_HW_CX25840) {
1026 itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284;
1027 }
c4385098 1028 IVTV_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)itv->std);
1a0adaf3
HV		 1029
1030 /* Tuner */
1031 ivtv_call_i2c_clients(itv, VIDIOC_S_STD, &itv->std);
1032
1033 if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1034 /* set display standard */
1035 itv->std_out = std;
1036 itv->is_out_60hz = itv->is_60hz;
1037 itv->is_out_50hz = itv->is_50hz;
1038 ivtv_call_i2c_clients(itv, VIDIOC_INT_S_STD_OUTPUT, &itv->std_out);
1039 ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1, itv->is_out_50hz);
1040 itv->main_rect.left = itv->main_rect.top = 0;
1041 itv->main_rect.width = 720;
1042 itv->main_rect.height = itv->params.height;
1043 ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
1044 720, itv->main_rect.height, 0, 0);
1045 }
1046 break;
1047 }
1048
1049 case VIDIOC_S_TUNER: { /* Setting tuner can only set audio mode */
1050 struct v4l2_tuner *vt = arg;
1051
1a0adaf3
HV		 1052 if (vt->index != 0)
1053 return -EINVAL;
1054
1055 ivtv_call_i2c_clients(itv, VIDIOC_S_TUNER, vt);
1056 break;
1057 }
1058
1059 case VIDIOC_G_TUNER: {
1060 struct v4l2_tuner *vt = arg;
1061
1a0adaf3
HV		 1062 if (vt->index != 0)
1063 return -EINVAL;
1064
1065 memset(vt, 0, sizeof(*vt));
1066 ivtv_call_i2c_clients(itv, VIDIOC_G_TUNER, vt);
1067
1068 if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) {
1069 strcpy(vt->name, "ivtv Radio Tuner");
1070 vt->type = V4L2_TUNER_RADIO;
1071 } else {
1072 strcpy(vt->name, "ivtv TV Tuner");
1073 vt->type = V4L2_TUNER_ANALOG_TV;
1074 }
1075 break;
1076 }
1077
1078 case VIDIOC_G_SLICED_VBI_CAP: {
1079 struct v4l2_sliced_vbi_cap *cap = arg;
1080 int set = itv->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
1081 int f, l;
1082 enum v4l2_buf_type type = cap->type;
1083
1a0adaf3
HV		 1084 memset(cap, 0, sizeof(*cap));
1085 cap->type = type;
1086 if (type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
1087 for (f = 0; f < 2; f++) {
1088 for (l = 0; l < 24; l++) {
1089 if (valid_service_line(f, l, itv->is_50hz)) {
1090 cap->service_lines[f][l] = set;
1091 }
1092 }
1093 }
1094 return 0;
1095 }
1096 if (type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
1097 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
1098 return -EINVAL;
1099 if (itv->is_60hz) {
1100 cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
1101 cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
1102 } else {
1103 cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
1104 cap->service_lines[0][16] = V4L2_SLICED_VPS;
1105 }
1106 return 0;
1107 }
1108 return -EINVAL;
1109 }
1110
d4e7ee36
HV		 1111 case VIDIOC_G_ENC_INDEX: {
1112 struct v4l2_enc_idx *idx = arg;
5614b021
HV		 1113 struct v4l2_enc_idx_entry *e = idx->entry;
1114 int entries;
d4e7ee36
HV		 1115 int i;
1116
5614b021 1117 entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) %
d4e7ee36 1118 IVTV_MAX_PGM_INDEX;
5614b021
HV		 1119 if (entries > V4L2_ENC_IDX_ENTRIES)
1120 entries = V4L2_ENC_IDX_ENTRIES;
1121 idx->entries = 0;
1122 for (i = 0; i < entries; i++) {
1123 *e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX];
1124 if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) {
1125 idx->entries++;
1126 e++;
1127 }
d4e7ee36
HV		 1128 }
1129 itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX;
1130 break;
1131 }
1132
1133 case VIDIOC_ENCODER_CMD:
1134 case VIDIOC_TRY_ENCODER_CMD: {
1135 struct v4l2_encoder_cmd *enc = arg;
1136 int try = cmd == VIDIOC_TRY_ENCODER_CMD;
1137
25415cf3 1138 memset(&enc->raw, 0, sizeof(enc->raw));
d4e7ee36
HV		 1139 switch (enc->cmd) {
1140 case V4L2_ENC_CMD_START:
1aa32c2f 1141 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
25415cf3
HV		 1142 enc->flags = 0;
1143 if (try)
1144 return 0;
d4e7ee36
HV		 1145 return ivtv_start_capture(id);
1146
1147 case V4L2_ENC_CMD_STOP:
1aa32c2f 1148 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
018ba85b 1149 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
25415cf3
HV		 1150 if (try)
1151 return 0;
d4e7ee36
HV		 1152 ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1153 return 0;
1154
1155 case V4L2_ENC_CMD_PAUSE:
1aa32c2f 1156 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
25415cf3
HV		 1157 enc->flags = 0;
1158 if (try)
1159 return 0;
d4e7ee36
HV		 1160 if (!atomic_read(&itv->capturing))
1161 return -EPERM;
1162 if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1163 return 0;
1164 ivtv_mute(itv);
1165 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 0);
1166 break;
1167
1168 case V4L2_ENC_CMD_RESUME:
1aa32c2f 1169 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
25415cf3
HV		 1170 enc->flags = 0;
1171 if (try)
1172 return 0;
d4e7ee36
HV		 1173 if (!atomic_read(&itv->capturing))
1174 return -EPERM;
1175 if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1176 return 0;
1177 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1);
1178 ivtv_unmute(itv);
1179 break;
25415cf3 1180 default:
1aa32c2f 1181 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
25415cf3 1182 return -EINVAL;
d4e7ee36
HV		 1183 }
1184 break;
1185 }
1186
1187 case VIDIOC_G_FBUF: {
1188 struct v4l2_framebuffer *fb = arg;
1189
1190 memset(fb, 0, sizeof(*fb));
1191 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
f5948bba 1192 return -EINVAL;
d4e7ee36
HV		 1193 fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY |
1194 V4L2_FBUF_CAP_LOCAL_ALPHA | V4L2_FBUF_CAP_GLOBAL_ALPHA;
1195 fb->fmt.pixelformat = itv->osd_pixelformat;
1196 fb->fmt.width = itv->osd_rect.width;
1197 fb->fmt.height = itv->osd_rect.height;
d4e7ee36
HV		 1198 fb->base = (void *)itv->osd_video_pbase;
1199 if (itv->osd_global_alpha_state)
1200 fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA;
1201 if (itv->osd_local_alpha_state)
1202 fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
1203 if (itv->osd_color_key_state)
1204 fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
1205 break;
1206 }
1207
1208 case VIDIOC_S_FBUF: {
1209 struct v4l2_framebuffer *fb = arg;
1210
1211 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
f5948bba 1212 return -EINVAL;
d4e7ee36
HV		 1213 itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0;
1214 itv->osd_local_alpha_state = (fb->flags & V4L2_FBUF_FLAG_LOCAL_ALPHA) != 0;
1215 itv->osd_color_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0;
c3624f99 1216 ivtv_set_osd_alpha(itv);
d4e7ee36
HV		 1217 break;
1218 }
1219
1a0adaf3
HV		 1220 case VIDIOC_LOG_STATUS:
1221 {
1222 int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
1223 struct v4l2_input vidin;
1224 struct v4l2_audio audin;
1225 int i;
1226
1227 IVTV_INFO("================= START STATUS CARD #%d =================\n", itv->num);
94104aa2 1228 IVTV_INFO("Version: %s Card: %s\n", IVTV_VERSION, itv->card_name);
1a0adaf3
HV		 1229 if (itv->hw_flags & IVTV_HW_TVEEPROM) {
1230 struct tveeprom tv;
1231
1232 ivtv_read_eeprom(itv, &tv);
1233 }
1234 ivtv_call_i2c_clients(itv, VIDIOC_LOG_STATUS, NULL);
1235 ivtv_get_input(itv, itv->active_input, &vidin);
1236 ivtv_get_audio_input(itv, itv->audio_input, &audin);
1237 IVTV_INFO("Video Input: %s\n", vidin.name);
1238 IVTV_INFO("Audio Input: %s\n", audin.name);
1239 if (has_output) {
1240 struct v4l2_output vidout;
1241 struct v4l2_audioout audout;
1242 int mode = itv->output_mode;
1243 static const char * const output_modes[] = {
1244 "None",
1245 "MPEG Streaming",
1246 "YUV Streaming",
1247 "YUV Frames",
1248 "Passthrough",
1249 };
1250
1251 ivtv_get_output(itv, itv->active_output, &vidout);
1252 ivtv_get_audio_output(itv, 0, &audout);
1253 IVTV_INFO("Video Output: %s\n", vidout.name);
1254 IVTV_INFO("Audio Output: %s\n", audout.name);
1255 if (mode < 0 || mode > OUT_PASSTHROUGH)
1256 mode = OUT_NONE;
1257 IVTV_INFO("Output Mode: %s\n", output_modes[mode]);
1258 }
1259 IVTV_INFO("Tuner: %s\n",
1260 test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV");
1261 cx2341x_log_status(&itv->params, itv->name);
94104aa2 1262 IVTV_INFO("Status flags: 0x%08lx\n", itv->i_flags);
1a0adaf3
HV		 1263 for (i = 0; i < IVTV_MAX_STREAMS; i++) {
1264 struct ivtv_stream *s = &itv->streams[i];
1265
1266 if (s->v4l2dev == NULL || s->buffers == 0)
1267 continue;
1268 IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags,
1269 (s->buffers - s->q_free.buffers) * 100 / s->buffers,
1270 (s->buffers * s->buf_size) / 1024, s->buffers);
1271 }
c4385098 1272 IVTV_INFO("Read MPEG/VBI: %lld/%lld bytes\n", (long long)itv->mpg_data_received, (long long)itv->vbi_data_inserted);
1a0adaf3
HV		 1273 IVTV_INFO("================== END STATUS CARD #%d ==================\n", itv->num);
1274 break;
1275 }
1276
1277 default:
1278 return -EINVAL;
1279 }
1280 return 0;
1281}
1282
d4e7ee36 1283static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
1a0adaf3
HV		 1284{
1285 struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1286 struct ivtv *itv = id->itv;
1287 int nonblocking = filp->f_flags & O_NONBLOCK;
1288 struct ivtv_stream *s = &itv->streams[id->type];
1289
1290 switch (cmd) {
1291 case IVTV_IOC_DMA_FRAME: {
1292 struct ivtv_dma_frame *args = arg;
1293
1294 IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n");
1295 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1296 return -EINVAL;
1297 if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1298 return -EINVAL;
1299 if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL)
1300 return 0;
1301 if (ivtv_claim_stream(id, id->type)) {
1302 return -EBUSY;
1303 }
1304 if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) {
1305 ivtv_release_stream(s);
1306 return -EBUSY;
1307 }
1308 if (args->y_source == NULL)
1309 return 0;
1310 return ivtv_yuv_prep_frame(itv, args);
1311 }
1312
1313 case VIDEO_GET_PTS: {
1314 u32 data[CX2341X_MBOX_MAX_DATA];
1315 u64 *pts = arg;
1316
1317 IVTV_DEBUG_IOCTL("VIDEO_GET_PTS\n");
1318 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1319 *pts = s->dma_pts;
1320 break;
1321 }
1322 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1323 return -EINVAL;
1324
1325 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1326 *pts = (u64) ((u64)itv->last_dec_timing[2] << 32) |
1327 (u64)itv->last_dec_timing[1];
1328 break;
1329 }
1330 *pts = 0;
1331 if (atomic_read(&itv->decoding)) {
1332 if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1333 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1334 return -EIO;
1335 }
1336 memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1337 set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1338 *pts = (u64) ((u64) data[2] << 32) | (u64) data[1];
1339 /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
1340 }
1341 break;
1342 }
1343
1344 case VIDEO_GET_FRAME_COUNT: {
1345 u32 data[CX2341X_MBOX_MAX_DATA];
1346 u64 *frame = arg;
1347
1348 IVTV_DEBUG_IOCTL("VIDEO_GET_FRAME_COUNT\n");
1349 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1350 *frame = 0;
1351 break;
1352 }
1353 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1354 return -EINVAL;
1355
1356 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1357 *frame = itv->last_dec_timing[0];
1358 break;
1359 }
1360 *frame = 0;
1361 if (atomic_read(&itv->decoding)) {
1362 if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1363 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1364 return -EIO;
1365 }
1366 memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1367 set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1368 *frame = data[0];
1369 }
1370 break;
1371 }
1372
1373 case VIDEO_PLAY: {
1374 struct video_command vc;
1375
1376 IVTV_DEBUG_IOCTL("VIDEO_PLAY\n");
1377 memset(&vc, 0, sizeof(vc));
1378 vc.cmd = VIDEO_CMD_PLAY;
1379 return ivtv_video_command(itv, id, &vc, 0);
1380 }
1381
1382 case VIDEO_STOP: {
1383 struct video_command vc;
1384
1385 IVTV_DEBUG_IOCTL("VIDEO_STOP\n");
1386 memset(&vc, 0, sizeof(vc));
1387 vc.cmd = VIDEO_CMD_STOP;
1388 vc.flags = VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY;
1389 return ivtv_video_command(itv, id, &vc, 0);
1390 }
1391
1392 case VIDEO_FREEZE: {
1393 struct video_command vc;
1394
1395 IVTV_DEBUG_IOCTL("VIDEO_FREEZE\n");
1396 memset(&vc, 0, sizeof(vc));
1397 vc.cmd = VIDEO_CMD_FREEZE;
1398 return ivtv_video_command(itv, id, &vc, 0);
1399 }
1400
1401 case VIDEO_CONTINUE: {
1402 struct video_command vc;
1403
1404 IVTV_DEBUG_IOCTL("VIDEO_CONTINUE\n");
1405 memset(&vc, 0, sizeof(vc));
1406 vc.cmd = VIDEO_CMD_CONTINUE;
1407 return ivtv_video_command(itv, id, &vc, 0);
1408 }
1409
1410 case VIDEO_COMMAND:
1411 case VIDEO_TRY_COMMAND: {
1412 struct video_command *vc = arg;
1413 int try = (cmd == VIDEO_TRY_COMMAND);
1414
1415 if (try)
1aa32c2f 1416 IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND %d\n", vc->cmd);
1a0adaf3 1417 else
1aa32c2f 1418 IVTV_DEBUG_IOCTL("VIDEO_COMMAND %d\n", vc->cmd);
1a0adaf3
HV		 1419 return ivtv_video_command(itv, id, vc, try);
1420 }
1421
1422 case VIDEO_GET_EVENT: {
1423 struct video_event *ev = arg;
1424 DEFINE_WAIT(wait);
1425
1426 IVTV_DEBUG_IOCTL("VIDEO_GET_EVENT\n");
1427 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1428 return -EINVAL;
1429 memset(ev, 0, sizeof(*ev));
1430 set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
1431
1432 while (1) {
1433 if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
1434 ev->type = VIDEO_EVENT_DECODER_STOPPED;
1435 else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
1436 ev->type = VIDEO_EVENT_VSYNC;
037c86c5
HV		 1437 ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
1438 VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN;
1439 if (itv->output_mode == OUT_UDMA_YUV &&
1440 (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) ==
1441 IVTV_YUV_MODE_PROGRESSIVE) {
1442 ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
1443 }
1a0adaf3
HV		 1444 }
1445 if (ev->type)
1446 return 0;
1447 if (nonblocking)
1448 return -EAGAIN;
1449 /* wait for event */
1450 prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
1451 if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0)
1452 schedule();
1453 finish_wait(&itv->event_waitq, &wait);
1454 if (signal_pending(current)) {
1455 /* return if a signal was received */
1456 IVTV_DEBUG_INFO("User stopped wait for event\n");
1457 return -EINTR;
1458 }
1459 }
1460 break;
1461 }
1462
1a0adaf3
HV		 1463 default:
1464 return -EINVAL;
1465 }
1466 return 0;
1467}
1468
1469static int ivtv_v4l2_do_ioctl(struct inode *inode, struct file *filp,
1470 unsigned int cmd, void *arg)
1471{
1472 struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1473 struct ivtv *itv = id->itv;
d46c17d7 1474 int ret;
1a0adaf3 1475
d46c17d7
HV		 1476 /* check priority */
1477 switch (cmd) {
1478 case VIDIOC_S_CTRL:
1479 case VIDIOC_S_STD:
1480 case VIDIOC_S_INPUT:
1481 case VIDIOC_S_OUTPUT:
1482 case VIDIOC_S_TUNER:
1483 case VIDIOC_S_FREQUENCY:
1484 case VIDIOC_S_FMT:
1485 case VIDIOC_S_CROP:
1486 case VIDIOC_S_AUDIO:
1487 case VIDIOC_S_AUDOUT:
1488 case VIDIOC_S_EXT_CTRLS:
1489 case VIDIOC_S_FBUF:
1490 ret = v4l2_prio_check(&itv->prio, &id->prio);
1491 if (ret)
1492 return ret;
1493 }
1494
1a0adaf3
HV		 1495 switch (cmd) {
1496 case VIDIOC_DBG_G_REGISTER:
1497 case VIDIOC_DBG_S_REGISTER:
1498 case VIDIOC_G_CHIP_IDENT:
1499 case VIDIOC_INT_S_AUDIO_ROUTING:
1500 case VIDIOC_INT_RESET:
d4e7ee36
HV		 1501 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1502 printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1503 v4l_printk_ioctl(cmd);
1504 }
1505 return ivtv_debug_ioctls(filp, cmd, arg);
1a0adaf3 1506
d46c17d7
HV		 1507 case VIDIOC_G_PRIORITY:
1508 case VIDIOC_S_PRIORITY:
1a0adaf3
HV		 1509 case VIDIOC_QUERYCAP:
1510 case VIDIOC_ENUMINPUT:
1511 case VIDIOC_G_INPUT:
1512 case VIDIOC_S_INPUT:
1513 case VIDIOC_ENUMOUTPUT:
1514 case VIDIOC_G_OUTPUT:
1515 case VIDIOC_S_OUTPUT:
1516 case VIDIOC_G_FMT:
1517 case VIDIOC_S_FMT:
1518 case VIDIOC_TRY_FMT:
1519 case VIDIOC_ENUM_FMT:
987e00ba 1520 case VIDIOC_CROPCAP:
1a0adaf3
HV		 1521 case VIDIOC_G_CROP:
1522 case VIDIOC_S_CROP:
1523 case VIDIOC_G_FREQUENCY:
1524 case VIDIOC_S_FREQUENCY:
1525 case VIDIOC_ENUMSTD:
1526 case VIDIOC_G_STD:
1527 case VIDIOC_S_STD:
1528 case VIDIOC_S_TUNER:
1529 case VIDIOC_G_TUNER:
1530 case VIDIOC_ENUMAUDIO:
1531 case VIDIOC_S_AUDIO:
1532 case VIDIOC_G_AUDIO:
1533 case VIDIOC_ENUMAUDOUT:
1534 case VIDIOC_S_AUDOUT:
1535 case VIDIOC_G_AUDOUT:
1536 case VIDIOC_G_SLICED_VBI_CAP:
1537 case VIDIOC_LOG_STATUS:
d4e7ee36
HV		 1538 case VIDIOC_G_ENC_INDEX:
1539 case VIDIOC_ENCODER_CMD:
1540 case VIDIOC_TRY_ENCODER_CMD:
1541 case VIDIOC_G_FBUF:
1542 case VIDIOC_S_FBUF:
1543 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1544 printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1545 v4l_printk_ioctl(cmd);
1546 }
1a0adaf3
HV		 1547 return ivtv_v4l2_ioctls(itv, filp, cmd, arg);
1548
1549 case VIDIOC_QUERYMENU:
1550 case VIDIOC_QUERYCTRL:
1551 case VIDIOC_S_CTRL:
1552 case VIDIOC_G_CTRL:
1553 case VIDIOC_S_EXT_CTRLS:
1554 case VIDIOC_G_EXT_CTRLS:
1555 case VIDIOC_TRY_EXT_CTRLS:
d4e7ee36
HV		 1556 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1557 printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1558 v4l_printk_ioctl(cmd);
1559 }
1a0adaf3
HV		 1560 return ivtv_control_ioctls(itv, cmd, arg);
1561
1562 case IVTV_IOC_DMA_FRAME:
1563 case VIDEO_GET_PTS:
1564 case VIDEO_GET_FRAME_COUNT:
1565 case VIDEO_GET_EVENT:
1566 case VIDEO_PLAY:
1567 case VIDEO_STOP:
1568 case VIDEO_FREEZE:
1569 case VIDEO_CONTINUE:
1570 case VIDEO_COMMAND:
1571 case VIDEO_TRY_COMMAND:
d4e7ee36 1572 return ivtv_decoder_ioctls(filp, cmd, arg);
1a0adaf3
HV		 1573
1574 case 0x00005401: /* Handle isatty() calls */
1575 return -EINVAL;
1576 default:
1577 return v4l_compat_translate_ioctl(inode, filp, cmd, arg,
1578 ivtv_v4l2_do_ioctl);
1579 }
1580 return 0;
1581}
1582
1583int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
1584 unsigned long arg)
1585{
1586 struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1587 struct ivtv *itv = id->itv;
1588
1589 /* Filter dvb ioctls that cannot be handled by video_usercopy */
1590 switch (cmd) {
1591 case VIDEO_SELECT_SOURCE:
1592 IVTV_DEBUG_IOCTL("VIDEO_SELECT_SOURCE\n");
1593 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1594 return -EINVAL;
1595 return ivtv_passthrough_mode(itv, arg == VIDEO_SOURCE_DEMUX);
1596
1597 case AUDIO_SET_MUTE:
1598 IVTV_DEBUG_IOCTL("AUDIO_SET_MUTE\n");
1599 itv->speed_mute_audio = arg;
1600 return 0;
1601
1602 case AUDIO_CHANNEL_SELECT:
1603 IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n");
1604 if (arg > AUDIO_STEREO_SWAPPED)
1605 return -EINVAL;
1606 itv->audio_stereo_mode = arg;
1607 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1608 return 0;
1609
1610 case AUDIO_BILINGUAL_CHANNEL_SELECT:
1611 IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n");
1612 if (arg > AUDIO_STEREO_SWAPPED)
1613 return -EINVAL;
1614 itv->audio_bilingual_mode = arg;
1615 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1616 return 0;
1617
1618 default:
1619 break;
1620 }
1621 return video_usercopy(inode, filp, cmd, arg, ivtv_v4l2_do_ioctl);
1622}
Linux kernel - Deliverables
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