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V4L/DVB (8482): videodev: move all ioctl callbacks to a new v4l2_ioctl_ops struct
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / ivtv / ivtv-ioctl.c
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-routing.h"
29 #include "ivtv-streams.h"
30 #include "ivtv-yuv.h"
31 #include "ivtv-ioctl.h"
32 #include "ivtv-gpio.h"
33 #include "ivtv-controls.h"
34 #include "ivtv-cards.h"
35 #include <media/saa7127.h>
36 #include <media/tveeprom.h>
37 #include <media/v4l2-chip-ident.h>
38 #include <linux/dvb/audio.h>
39 #include <linux/i2c-id.h>
40
41 u16 ivtv_service2vbi(int type)
42 {
43 switch (type) {
44 case V4L2_SLICED_TELETEXT_B:
45 return IVTV_SLICED_TYPE_TELETEXT_B;
46 case V4L2_SLICED_CAPTION_525:
47 return IVTV_SLICED_TYPE_CAPTION_525;
48 case V4L2_SLICED_WSS_625:
49 return IVTV_SLICED_TYPE_WSS_625;
50 case V4L2_SLICED_VPS:
51 return IVTV_SLICED_TYPE_VPS;
52 default:
53 return 0;
54 }
55 }
56
57 static int valid_service_line(int field, int line, int is_pal)
58 {
59 return (is_pal && line >= 6 && (line != 23 || field == 0)) ||
60 (!is_pal && line >= 10 && line < 22);
61 }
62
63 static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
64 {
65 u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
66 int i;
67
68 set = set & valid_set;
69 if (set == 0 || !valid_service_line(field, line, is_pal)) {
70 return 0;
71 }
72 if (!is_pal) {
73 if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
74 return V4L2_SLICED_CAPTION_525;
75 }
76 else {
77 if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
78 return V4L2_SLICED_VPS;
79 if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
80 return V4L2_SLICED_WSS_625;
81 if (line == 23)
82 return 0;
83 }
84 for (i = 0; i < 32; i++) {
85 if ((1 << i) & set)
86 return 1 << i;
87 }
88 return 0;
89 }
90
91 void ivtv_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
92 {
93 u16 set = fmt->service_set;
94 int f, l;
95
96 fmt->service_set = 0;
97 for (f = 0; f < 2; f++) {
98 for (l = 0; l < 24; l++) {
99 fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
100 }
101 }
102 }
103
104 static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
105 {
106 int f, l;
107 u16 set = 0;
108
109 for (f = 0; f < 2; f++) {
110 for (l = 0; l < 24; l++) {
111 fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
112 set |= fmt->service_lines[f][l];
113 }
114 }
115 return set != 0;
116 }
117
118 u16 ivtv_get_service_set(struct v4l2_sliced_vbi_format *fmt)
119 {
120 int f, l;
121 u16 set = 0;
122
123 for (f = 0; f < 2; f++) {
124 for (l = 0; l < 24; l++) {
125 set |= fmt->service_lines[f][l];
126 }
127 }
128 return set;
129 }
130
131 void ivtv_set_osd_alpha(struct ivtv *itv)
132 {
133 ivtv_vapi(itv, CX2341X_OSD_SET_GLOBAL_ALPHA, 3,
134 itv->osd_global_alpha_state, itv->osd_global_alpha, !itv->osd_local_alpha_state);
135 ivtv_vapi(itv, CX2341X_OSD_SET_CHROMA_KEY, 2, itv->osd_chroma_key_state, itv->osd_chroma_key);
136 }
137
138 int ivtv_set_speed(struct ivtv *itv, int speed)
139 {
140 u32 data[CX2341X_MBOX_MAX_DATA];
141 struct ivtv_stream *s;
142 int single_step = (speed == 1 || speed == -1);
143 DEFINE_WAIT(wait);
144
145 if (speed == 0) speed = 1000;
146
147 /* No change? */
148 if (speed == itv->speed && !single_step)
149 return 0;
150
151 s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
152
153 if (single_step && (speed < 0) == (itv->speed < 0)) {
154 /* Single step video and no need to change direction */
155 ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
156 itv->speed = speed;
157 return 0;
158 }
159 if (single_step)
160 /* Need to change direction */
161 speed = speed < 0 ? -1000 : 1000;
162
163 data[0] = (speed > 1000 || speed < -1000) ? 0x80000000 : 0;
164 data[0] |= (speed > 1000 || speed < -1500) ? 0x40000000 : 0;
165 data[1] = (speed < 0);
166 data[2] = speed < 0 ? 3 : 7;
167 data[3] = itv->params.video_b_frames;
168 data[4] = (speed == 1500 || speed == 500) ? itv->speed_mute_audio : 0;
169 data[5] = 0;
170 data[6] = 0;
171
172 if (speed == 1500 || speed == -1500) data[0] |= 1;
173 else if (speed == 2000 || speed == -2000) data[0] |= 2;
174 else if (speed > -1000 && speed < 0) data[0] |= (-1000 / speed);
175 else if (speed < 1000 && speed > 0) data[0] |= (1000 / speed);
176
177 /* If not decoding, just change speed setting */
178 if (atomic_read(&itv->decoding) > 0) {
179 int got_sig = 0;
180
181 /* Stop all DMA and decoding activity */
182 ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1, 0);
183
184 /* Wait for any DMA to finish */
185 prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
186 while (itv->i_flags & IVTV_F_I_DMA) {
187 got_sig = signal_pending(current);
188 if (got_sig)
189 break;
190 got_sig = 0;
191 schedule();
192 }
193 finish_wait(&itv->dma_waitq, &wait);
194 if (got_sig)
195 return -EINTR;
196
197 /* Change Speed safely */
198 ivtv_api(itv, CX2341X_DEC_SET_PLAYBACK_SPEED, 7, data);
199 IVTV_DEBUG_INFO("Setting Speed to 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
200 data[0], data[1], data[2], data[3], data[4], data[5], data[6]);
201 }
202 if (single_step) {
203 speed = (speed < 0) ? -1 : 1;
204 ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
205 }
206 itv->speed = speed;
207 return 0;
208 }
209
210 static int ivtv_validate_speed(int cur_speed, int new_speed)
211 {
212 int fact = new_speed < 0 ? -1 : 1;
213 int s;
214
215 if (cur_speed == 0)
216 cur_speed = 1000;
217 if (new_speed < 0)
218 new_speed = -new_speed;
219 if (cur_speed < 0)
220 cur_speed = -cur_speed;
221
222 if (cur_speed <= new_speed) {
223 if (new_speed > 1500)
224 return fact * 2000;
225 if (new_speed > 1000)
226 return fact * 1500;
227 }
228 else {
229 if (new_speed >= 2000)
230 return fact * 2000;
231 if (new_speed >= 1500)
232 return fact * 1500;
233 if (new_speed >= 1000)
234 return fact * 1000;
235 }
236 if (new_speed == 0)
237 return 1000;
238 if (new_speed == 1 || new_speed == 1000)
239 return fact * new_speed;
240
241 s = new_speed;
242 new_speed = 1000 / new_speed;
243 if (1000 / cur_speed == new_speed)
244 new_speed += (cur_speed < s) ? -1 : 1;
245 if (new_speed > 60) return 1000 / (fact * 60);
246 return 1000 / (fact * new_speed);
247 }
248
249 static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id,
250 struct video_command *vc, int try)
251 {
252 struct ivtv_stream *s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
253
254 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
255 return -EINVAL;
256
257 switch (vc->cmd) {
258 case VIDEO_CMD_PLAY: {
259 vc->flags = 0;
260 vc->play.speed = ivtv_validate_speed(itv->speed, vc->play.speed);
261 if (vc->play.speed < 0)
262 vc->play.format = VIDEO_PLAY_FMT_GOP;
263 if (try) break;
264
265 if (ivtv_set_output_mode(itv, OUT_MPG) != OUT_MPG)
266 return -EBUSY;
267 if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
268 /* forces ivtv_set_speed to be called */
269 itv->speed = 0;
270 }
271 return ivtv_start_decoding(id, vc->play.speed);
272 }
273
274 case VIDEO_CMD_STOP:
275 vc->flags &= VIDEO_CMD_STOP_IMMEDIATELY|VIDEO_CMD_STOP_TO_BLACK;
276 if (vc->flags & VIDEO_CMD_STOP_IMMEDIATELY)
277 vc->stop.pts = 0;
278 if (try) break;
279 if (atomic_read(&itv->decoding) == 0)
280 return 0;
281 if (itv->output_mode != OUT_MPG)
282 return -EBUSY;
283
284 itv->output_mode = OUT_NONE;
285 return ivtv_stop_v4l2_decode_stream(s, vc->flags, vc->stop.pts);
286
287 case VIDEO_CMD_FREEZE:
288 vc->flags &= VIDEO_CMD_FREEZE_TO_BLACK;
289 if (try) break;
290 if (itv->output_mode != OUT_MPG)
291 return -EBUSY;
292 if (atomic_read(&itv->decoding) > 0) {
293 ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1,
294 (vc->flags & VIDEO_CMD_FREEZE_TO_BLACK) ? 1 : 0);
295 set_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags);
296 }
297 break;
298
299 case VIDEO_CMD_CONTINUE:
300 vc->flags = 0;
301 if (try) break;
302 if (itv->output_mode != OUT_MPG)
303 return -EBUSY;
304 if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
305 int speed = itv->speed;
306 itv->speed = 0;
307 return ivtv_start_decoding(id, speed);
308 }
309 break;
310
311 default:
312 return -EINVAL;
313 }
314 return 0;
315 }
316
317 static int ivtv_g_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
318 {
319 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
320 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
321
322 vbifmt->reserved[0] = 0;
323 vbifmt->reserved[1] = 0;
324 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
325 return -EINVAL;
326 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
327 if (itv->is_60hz) {
328 vbifmt->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
329 vbifmt->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
330 } else {
331 vbifmt->service_lines[0][23] = V4L2_SLICED_WSS_625;
332 vbifmt->service_lines[0][16] = V4L2_SLICED_VPS;
333 }
334 vbifmt->service_set = ivtv_get_service_set(vbifmt);
335 return 0;
336 }
337
338 static int ivtv_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
339 {
340 struct ivtv_open_id *id = fh;
341 struct ivtv *itv = id->itv;
342 struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
343
344 pixfmt->width = itv->params.width;
345 pixfmt->height = itv->params.height;
346 pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
347 pixfmt->field = V4L2_FIELD_INTERLACED;
348 pixfmt->priv = 0;
349 if (id->type == IVTV_ENC_STREAM_TYPE_YUV) {
350 pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
351 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
352 pixfmt->sizeimage =
353 pixfmt->height * pixfmt->width +
354 pixfmt->height * (pixfmt->width / 2);
355 pixfmt->bytesperline = 720;
356 } else {
357 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
358 pixfmt->sizeimage = 128 * 1024;
359 pixfmt->bytesperline = 0;
360 }
361 return 0;
362 }
363
364 static int ivtv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
365 {
366 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
367 struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
368
369 vbifmt->sampling_rate = 27000000;
370 vbifmt->offset = 248;
371 vbifmt->samples_per_line = itv->vbi.raw_decoder_line_size - 4;
372 vbifmt->sample_format = V4L2_PIX_FMT_GREY;
373 vbifmt->start[0] = itv->vbi.start[0];
374 vbifmt->start[1] = itv->vbi.start[1];
375 vbifmt->count[0] = vbifmt->count[1] = itv->vbi.count;
376 vbifmt->flags = 0;
377 vbifmt->reserved[0] = 0;
378 vbifmt->reserved[1] = 0;
379 return 0;
380 }
381
382 static int ivtv_g_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
383 {
384 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
385 struct ivtv_open_id *id = fh;
386 struct ivtv *itv = id->itv;
387
388 vbifmt->reserved[0] = 0;
389 vbifmt->reserved[1] = 0;
390 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
391
392 if (id->type == IVTV_DEC_STREAM_TYPE_VBI) {
393 vbifmt->service_set = itv->is_50hz ? V4L2_SLICED_VBI_625 :
394 V4L2_SLICED_VBI_525;
395 ivtv_expand_service_set(vbifmt, itv->is_50hz);
396 return 0;
397 }
398
399 itv->video_dec_func(itv, VIDIOC_G_FMT, fmt);
400 vbifmt->service_set = ivtv_get_service_set(vbifmt);
401 return 0;
402 }
403
404 static int ivtv_g_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
405 {
406 struct ivtv_open_id *id = fh;
407 struct ivtv *itv = id->itv;
408 struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
409
410 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
411 return -EINVAL;
412 pixfmt->width = itv->main_rect.width;
413 pixfmt->height = itv->main_rect.height;
414 pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
415 pixfmt->field = V4L2_FIELD_INTERLACED;
416 pixfmt->priv = 0;
417 if (id->type == IVTV_DEC_STREAM_TYPE_YUV) {
418 switch (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) {
419 case IVTV_YUV_MODE_INTERLACED:
420 pixfmt->field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) ?
421 V4L2_FIELD_INTERLACED_BT : V4L2_FIELD_INTERLACED_TB;
422 break;
423 case IVTV_YUV_MODE_PROGRESSIVE:
424 pixfmt->field = V4L2_FIELD_NONE;
425 break;
426 default:
427 pixfmt->field = V4L2_FIELD_ANY;
428 break;
429 }
430 pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
431 pixfmt->bytesperline = 720;
432 pixfmt->width = itv->yuv_info.v4l2_src_w;
433 pixfmt->height = itv->yuv_info.v4l2_src_h;
434 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
435 pixfmt->sizeimage =
436 1080 * ((pixfmt->height + 31) & ~31);
437 } else {
438 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
439 pixfmt->sizeimage = 128 * 1024;
440 pixfmt->bytesperline = 0;
441 }
442 return 0;
443 }
444
445 static int ivtv_g_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
446 {
447 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
448 struct v4l2_window *winfmt = &fmt->fmt.win;
449
450 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
451 return -EINVAL;
452 winfmt->chromakey = itv->osd_chroma_key;
453 winfmt->global_alpha = itv->osd_global_alpha;
454 winfmt->field = V4L2_FIELD_INTERLACED;
455 winfmt->clips = NULL;
456 winfmt->clipcount = 0;
457 winfmt->bitmap = NULL;
458 winfmt->w.top = winfmt->w.left = 0;
459 winfmt->w.width = itv->osd_rect.width;
460 winfmt->w.height = itv->osd_rect.height;
461 return 0;
462 }
463
464 static int ivtv_try_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
465 {
466 return ivtv_g_fmt_sliced_vbi_out(file, fh, fmt);
467 }
468
469 static int ivtv_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
470 {
471 struct ivtv_open_id *id = fh;
472 struct ivtv *itv = id->itv;
473 int w = fmt->fmt.pix.width;
474 int h = fmt->fmt.pix.height;
475
476 w = min(w, 720);
477 w = max(w, 1);
478 h = min(h, itv->is_50hz ? 576 : 480);
479 h = max(h, 2);
480 ivtv_g_fmt_vid_cap(file, fh, fmt);
481 fmt->fmt.pix.width = w;
482 fmt->fmt.pix.height = h;
483 return 0;
484 }
485
486 static int ivtv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
487 {
488 return ivtv_g_fmt_vbi_cap(file, fh, fmt);
489 }
490
491 static int ivtv_try_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
492 {
493 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
494 struct ivtv_open_id *id = fh;
495 struct ivtv *itv = id->itv;
496
497 if (id->type == IVTV_DEC_STREAM_TYPE_VBI)
498 return ivtv_g_fmt_sliced_vbi_cap(file, fh, fmt);
499
500 /* set sliced VBI capture format */
501 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
502 vbifmt->reserved[0] = 0;
503 vbifmt->reserved[1] = 0;
504
505 if (vbifmt->service_set)
506 ivtv_expand_service_set(vbifmt, itv->is_50hz);
507 check_service_set(vbifmt, itv->is_50hz);
508 vbifmt->service_set = ivtv_get_service_set(vbifmt);
509 return 0;
510 }
511
512 static int ivtv_try_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
513 {
514 struct ivtv_open_id *id = fh;
515 s32 w, h;
516 int field;
517 int ret;
518
519 w = fmt->fmt.pix.width;
520 h = fmt->fmt.pix.height;
521 field = fmt->fmt.pix.field;
522 ret = ivtv_g_fmt_vid_out(file, fh, fmt);
523 fmt->fmt.pix.width = w;
524 fmt->fmt.pix.height = h;
525 if (!ret && id->type == IVTV_DEC_STREAM_TYPE_YUV) {
526 fmt->fmt.pix.field = field;
527 if (fmt->fmt.pix.width < 2)
528 fmt->fmt.pix.width = 2;
529 if (fmt->fmt.pix.width > 720)
530 fmt->fmt.pix.width = 720;
531 if (fmt->fmt.pix.height < 2)
532 fmt->fmt.pix.height = 2;
533 if (fmt->fmt.pix.height > 576)
534 fmt->fmt.pix.height = 576;
535 }
536 return ret;
537 }
538
539 static int ivtv_try_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
540 {
541 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
542 u32 chromakey = fmt->fmt.win.chromakey;
543 u8 global_alpha = fmt->fmt.win.global_alpha;
544
545 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
546 return -EINVAL;
547 ivtv_g_fmt_vid_out_overlay(file, fh, fmt);
548 fmt->fmt.win.chromakey = chromakey;
549 fmt->fmt.win.global_alpha = global_alpha;
550 return 0;
551 }
552
553 static int ivtv_s_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
554 {
555 return ivtv_g_fmt_sliced_vbi_out(file, fh, fmt);
556 }
557
558 static int ivtv_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
559 {
560 struct ivtv_open_id *id = fh;
561 struct ivtv *itv = id->itv;
562 struct cx2341x_mpeg_params *p = &itv->params;
563 int w = fmt->fmt.pix.width;
564 int h = fmt->fmt.pix.height;
565 int ret = ivtv_try_fmt_vid_cap(file, fh, fmt);
566
567 if (ret)
568 return ret;
569
570 if (p->width == w && p->height == h)
571 return 0;
572
573 if (atomic_read(&itv->capturing) > 0)
574 return -EBUSY;
575
576 p->width = w;
577 p->height = h;
578 if (p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
579 fmt->fmt.pix.width /= 2;
580 itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
581 return ivtv_g_fmt_vid_cap(file, fh, fmt);
582 }
583
584 static int ivtv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
585 {
586 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
587
588 itv->vbi.sliced_in->service_set = 0;
589 itv->video_dec_func(itv, VIDIOC_S_FMT, &itv->vbi.in);
590 return ivtv_g_fmt_vbi_cap(file, fh, fmt);
591 }
592
593 static int ivtv_s_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
594 {
595 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
596 struct ivtv_open_id *id = fh;
597 struct ivtv *itv = id->itv;
598 int ret = ivtv_try_fmt_sliced_vbi_cap(file, fh, fmt);
599
600 if (ret || id->type == IVTV_DEC_STREAM_TYPE_VBI)
601 return ret;
602
603 if (check_service_set(vbifmt, itv->is_50hz) == 0)
604 return -EINVAL;
605 if (atomic_read(&itv->capturing) > 0)
606 return -EBUSY;
607 itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
608 memcpy(itv->vbi.sliced_in, vbifmt, sizeof(*itv->vbi.sliced_in));
609 return 0;
610 }
611
612 static int ivtv_s_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
613 {
614 struct ivtv_open_id *id = fh;
615 struct ivtv *itv = id->itv;
616 struct yuv_playback_info *yi = &itv->yuv_info;
617 int ret = ivtv_try_fmt_vid_out(file, fh, fmt);
618
619 if (ret)
620 return ret;
621
622 if (id->type != IVTV_DEC_STREAM_TYPE_YUV)
623 return 0;
624
625 /* Return now if we already have some frame data */
626 if (yi->stream_size)
627 return -EBUSY;
628
629 yi->v4l2_src_w = fmt->fmt.pix.width;
630 yi->v4l2_src_h = fmt->fmt.pix.height;
631
632 switch (fmt->fmt.pix.field) {
633 case V4L2_FIELD_NONE:
634 yi->lace_mode = IVTV_YUV_MODE_PROGRESSIVE;
635 break;
636 case V4L2_FIELD_ANY:
637 yi->lace_mode = IVTV_YUV_MODE_AUTO;
638 break;
639 case V4L2_FIELD_INTERLACED_BT:
640 yi->lace_mode =
641 IVTV_YUV_MODE_INTERLACED|IVTV_YUV_SYNC_ODD;
642 break;
643 case V4L2_FIELD_INTERLACED_TB:
644 default:
645 yi->lace_mode = IVTV_YUV_MODE_INTERLACED;
646 break;
647 }
648 yi->lace_sync_field = (yi->lace_mode & IVTV_YUV_SYNC_MASK) == IVTV_YUV_SYNC_EVEN ? 0 : 1;
649
650 if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
651 itv->dma_data_req_size =
652 1080 * ((yi->v4l2_src_h + 31) & ~31);
653
654 /* Force update of yuv registers */
655 yi->yuv_forced_update = 1;
656 return 0;
657 }
658
659 static int ivtv_s_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
660 {
661 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
662 int ret = ivtv_try_fmt_vid_out_overlay(file, fh, fmt);
663
664 if (ret == 0) {
665 itv->osd_chroma_key = fmt->fmt.win.chromakey;
666 itv->osd_global_alpha = fmt->fmt.win.global_alpha;
667 ivtv_set_osd_alpha(itv);
668 }
669 return ret;
670 }
671
672 static int ivtv_g_chip_ident(struct file *file, void *fh, struct v4l2_chip_ident *chip)
673 {
674 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
675
676 chip->ident = V4L2_IDENT_NONE;
677 chip->revision = 0;
678 if (chip->match_type == V4L2_CHIP_MATCH_HOST) {
679 if (v4l2_chip_match_host(chip->match_type, chip->match_chip))
680 chip->ident = itv->has_cx23415 ? V4L2_IDENT_CX23415 : V4L2_IDENT_CX23416;
681 return 0;
682 }
683 if (chip->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
684 return ivtv_i2c_id(itv, chip->match_chip, VIDIOC_G_CHIP_IDENT, chip);
685 if (chip->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
686 return ivtv_call_i2c_client(itv, chip->match_chip, VIDIOC_G_CHIP_IDENT, chip);
687 return -EINVAL;
688 }
689
690 #ifdef CONFIG_VIDEO_ADV_DEBUG
691 static int ivtv_itvc(struct ivtv *itv, unsigned int cmd, void *arg)
692 {
693 struct v4l2_register *regs = arg;
694 unsigned long flags;
695 volatile u8 __iomem *reg_start;
696
697 if (!capable(CAP_SYS_ADMIN))
698 return -EPERM;
699 if (regs->reg >= IVTV_REG_OFFSET && regs->reg < IVTV_REG_OFFSET + IVTV_REG_SIZE)
700 reg_start = itv->reg_mem - IVTV_REG_OFFSET;
701 else if (itv->has_cx23415 && regs->reg >= IVTV_DECODER_OFFSET &&
702 regs->reg < IVTV_DECODER_OFFSET + IVTV_DECODER_SIZE)
703 reg_start = itv->dec_mem - IVTV_DECODER_OFFSET;
704 else if (regs->reg >= 0 && regs->reg < IVTV_ENCODER_SIZE)
705 reg_start = itv->enc_mem;
706 else
707 return -EINVAL;
708
709 spin_lock_irqsave(&ivtv_cards_lock, flags);
710 if (cmd == VIDIOC_DBG_G_REGISTER)
711 regs->val = readl(regs->reg + reg_start);
712 else
713 writel(regs->val, regs->reg + reg_start);
714 spin_unlock_irqrestore(&ivtv_cards_lock, flags);
715 return 0;
716 }
717
718 static int ivtv_g_register(struct file *file, void *fh, struct v4l2_register *reg)
719 {
720 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
721
722 if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
723 return ivtv_itvc(itv, VIDIOC_DBG_G_REGISTER, reg);
724 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
725 return ivtv_i2c_id(itv, reg->match_chip, VIDIOC_DBG_G_REGISTER, reg);
726 return ivtv_call_i2c_client(itv, reg->match_chip, VIDIOC_DBG_G_REGISTER, reg);
727 }
728
729 static int ivtv_s_register(struct file *file, void *fh, struct v4l2_register *reg)
730 {
731 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
732
733 if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
734 return ivtv_itvc(itv, VIDIOC_DBG_S_REGISTER, reg);
735 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
736 return ivtv_i2c_id(itv, reg->match_chip, VIDIOC_DBG_S_REGISTER, reg);
737 return ivtv_call_i2c_client(itv, reg->match_chip, VIDIOC_DBG_S_REGISTER, reg);
738 }
739 #endif
740
741 static int ivtv_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
742 {
743 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
744
745 *p = v4l2_prio_max(&itv->prio);
746
747 return 0;
748 }
749
750 static int ivtv_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
751 {
752 struct ivtv_open_id *id = fh;
753 struct ivtv *itv = id->itv;
754
755 return v4l2_prio_change(&itv->prio, &id->prio, prio);
756 }
757
758 static int ivtv_querycap(struct file *file, void *fh, struct v4l2_capability *vcap)
759 {
760 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
761
762 strlcpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver));
763 strlcpy(vcap->card, itv->card_name, sizeof(vcap->card));
764 strlcpy(vcap->bus_info, pci_name(itv->dev), sizeof(vcap->bus_info));
765 vcap->version = IVTV_DRIVER_VERSION; /* version */
766 vcap->capabilities = itv->v4l2_cap; /* capabilities */
767 return 0;
768 }
769
770 static int ivtv_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
771 {
772 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
773
774 return ivtv_get_audio_input(itv, vin->index, vin);
775 }
776
777 static int ivtv_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
778 {
779 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
780
781 vin->index = itv->audio_input;
782 return ivtv_get_audio_input(itv, vin->index, vin);
783 }
784
785 static int ivtv_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
786 {
787 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
788
789 if (vout->index >= itv->nof_audio_inputs)
790 return -EINVAL;
791
792 itv->audio_input = vout->index;
793 ivtv_audio_set_io(itv);
794
795 return 0;
796 }
797
798 static int ivtv_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vin)
799 {
800 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
801
802 /* set it to defaults from our table */
803 return ivtv_get_audio_output(itv, vin->index, vin);
804 }
805
806 static int ivtv_g_audout(struct file *file, void *fh, struct v4l2_audioout *vin)
807 {
808 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
809
810 vin->index = 0;
811 return ivtv_get_audio_output(itv, vin->index, vin);
812 }
813
814 static int ivtv_s_audout(struct file *file, void *fh, struct v4l2_audioout *vout)
815 {
816 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
817
818 return ivtv_get_audio_output(itv, vout->index, vout);
819 }
820
821 static int ivtv_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
822 {
823 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
824
825 /* set it to defaults from our table */
826 return ivtv_get_input(itv, vin->index, vin);
827 }
828
829 static int ivtv_enum_output(struct file *file, void *fh, struct v4l2_output *vout)
830 {
831 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
832
833 return ivtv_get_output(itv, vout->index, vout);
834 }
835
836 static int ivtv_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap)
837 {
838 struct ivtv_open_id *id = fh;
839 struct ivtv *itv = id->itv;
840 struct yuv_playback_info *yi = &itv->yuv_info;
841 int streamtype;
842
843 streamtype = id->type;
844
845 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
846 return -EINVAL;
847 cropcap->bounds.top = cropcap->bounds.left = 0;
848 cropcap->bounds.width = 720;
849 if (cropcap->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
850 cropcap->bounds.height = itv->is_50hz ? 576 : 480;
851 cropcap->pixelaspect.numerator = itv->is_50hz ? 59 : 10;
852 cropcap->pixelaspect.denominator = itv->is_50hz ? 54 : 11;
853 } else if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
854 if (yi->track_osd) {
855 cropcap->bounds.width = yi->osd_full_w;
856 cropcap->bounds.height = yi->osd_full_h;
857 } else {
858 cropcap->bounds.width = 720;
859 cropcap->bounds.height =
860 itv->is_out_50hz ? 576 : 480;
861 }
862 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
863 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
864 } else {
865 cropcap->bounds.height = itv->is_out_50hz ? 576 : 480;
866 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
867 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
868 }
869 cropcap->defrect = cropcap->bounds;
870 return 0;
871 }
872
873 static int ivtv_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
874 {
875 struct ivtv_open_id *id = fh;
876 struct ivtv *itv = id->itv;
877 struct yuv_playback_info *yi = &itv->yuv_info;
878 int streamtype;
879
880 streamtype = id->type;
881
882 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
883 printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
884 /* Should be replaced */
885 /* v4l_printk_ioctl(VIDIOC_S_CROP); */
886 }
887
888 if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
889 (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
890 if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
891 yi->main_rect = crop->c;
892 return 0;
893 } else {
894 if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
895 crop->c.width, crop->c.height, crop->c.left, crop->c.top)) {
896 itv->main_rect = crop->c;
897 return 0;
898 }
899 }
900 return -EINVAL;
901 }
902 return -EINVAL;
903 }
904
905 static int ivtv_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
906 {
907 struct ivtv_open_id *id = fh;
908 struct ivtv *itv = id->itv;
909 struct yuv_playback_info *yi = &itv->yuv_info;
910 int streamtype;
911
912 streamtype = id->type;
913
914 if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
915 (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
916 if (streamtype == IVTV_DEC_STREAM_TYPE_YUV)
917 crop->c = yi->main_rect;
918 else
919 crop->c = itv->main_rect;
920 return 0;
921 }
922 return -EINVAL;
923 }
924
925 static int ivtv_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
926 {
927 static struct v4l2_fmtdesc formats[] = {
928 { 0, 0, 0,
929 "HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12,
930 { 0, 0, 0, 0 }
931 },
932 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
933 "MPEG", V4L2_PIX_FMT_MPEG,
934 { 0, 0, 0, 0 }
935 }
936 };
937 enum v4l2_buf_type type = fmt->type;
938
939 if (fmt->index > 1)
940 return -EINVAL;
941
942 *fmt = formats[fmt->index];
943 fmt->type = type;
944 return 0;
945 }
946
947 static int ivtv_enum_fmt_vid_out(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
948 {
949 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
950
951 static struct v4l2_fmtdesc formats[] = {
952 { 0, 0, 0,
953 "HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12,
954 { 0, 0, 0, 0 }
955 },
956 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
957 "MPEG", V4L2_PIX_FMT_MPEG,
958 { 0, 0, 0, 0 }
959 }
960 };
961 enum v4l2_buf_type type = fmt->type;
962
963 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
964 return -EINVAL;
965
966 if (fmt->index > 1)
967 return -EINVAL;
968
969 *fmt = formats[fmt->index];
970 fmt->type = type;
971
972 return 0;
973 }
974
975 static int ivtv_g_input(struct file *file, void *fh, unsigned int *i)
976 {
977 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
978
979 *i = itv->active_input;
980
981 return 0;
982 }
983
984 int ivtv_s_input(struct file *file, void *fh, unsigned int inp)
985 {
986 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
987
988 if (inp < 0 || inp >= itv->nof_inputs)
989 return -EINVAL;
990
991 if (inp == itv->active_input) {
992 IVTV_DEBUG_INFO("Input unchanged\n");
993 return 0;
994 }
995
996 if (atomic_read(&itv->capturing) > 0) {
997 return -EBUSY;
998 }
999
1000 IVTV_DEBUG_INFO("Changing input from %d to %d\n",
1001 itv->active_input, inp);
1002
1003 itv->active_input = inp;
1004 /* Set the audio input to whatever is appropriate for the
1005 input type. */
1006 itv->audio_input = itv->card->video_inputs[inp].audio_index;
1007
1008 /* prevent others from messing with the streams until
1009 we're finished changing inputs. */
1010 ivtv_mute(itv);
1011 ivtv_video_set_io(itv);
1012 ivtv_audio_set_io(itv);
1013 ivtv_unmute(itv);
1014
1015 return 0;
1016 }
1017
1018 static int ivtv_g_output(struct file *file, void *fh, unsigned int *i)
1019 {
1020 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1021
1022 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1023 return -EINVAL;
1024
1025 *i = itv->active_output;
1026
1027 return 0;
1028 }
1029
1030 static int ivtv_s_output(struct file *file, void *fh, unsigned int outp)
1031 {
1032 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1033 struct v4l2_routing route;
1034
1035 if (outp >= itv->card->nof_outputs)
1036 return -EINVAL;
1037
1038 if (outp == itv->active_output) {
1039 IVTV_DEBUG_INFO("Output unchanged\n");
1040 return 0;
1041 }
1042 IVTV_DEBUG_INFO("Changing output from %d to %d\n",
1043 itv->active_output, outp);
1044
1045 itv->active_output = outp;
1046 route.input = SAA7127_INPUT_TYPE_NORMAL;
1047 route.output = itv->card->video_outputs[outp].video_output;
1048 ivtv_saa7127(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
1049
1050 return 0;
1051 }
1052
1053 static int ivtv_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1054 {
1055 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1056
1057 if (vf->tuner != 0)
1058 return -EINVAL;
1059
1060 ivtv_call_i2c_clients(itv, VIDIOC_G_FREQUENCY, vf);
1061 return 0;
1062 }
1063
1064 int ivtv_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
1065 {
1066 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1067
1068 if (vf->tuner != 0)
1069 return -EINVAL;
1070
1071 ivtv_mute(itv);
1072 IVTV_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
1073 ivtv_call_i2c_clients(itv, VIDIOC_S_FREQUENCY, vf);
1074 ivtv_unmute(itv);
1075 return 0;
1076 }
1077
1078 static int ivtv_g_std(struct file *file, void *fh, v4l2_std_id *std)
1079 {
1080 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1081
1082 *std = itv->std;
1083 return 0;
1084 }
1085
1086 int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std)
1087 {
1088 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1089 struct yuv_playback_info *yi = &itv->yuv_info;
1090
1091 if ((*std & V4L2_STD_ALL) == 0)
1092 return -EINVAL;
1093
1094 if (*std == itv->std)
1095 return 0;
1096
1097 if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ||
1098 atomic_read(&itv->capturing) > 0 ||
1099 atomic_read(&itv->decoding) > 0) {
1100 /* Switching standard would turn off the radio or mess
1101 with already running streams, prevent that by
1102 returning EBUSY. */
1103 return -EBUSY;
1104 }
1105
1106 itv->std = *std;
1107 itv->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
1108 itv->params.is_50hz = itv->is_50hz = !itv->is_60hz;
1109 itv->params.width = 720;
1110 itv->params.height = itv->is_50hz ? 576 : 480;
1111 itv->vbi.count = itv->is_50hz ? 18 : 12;
1112 itv->vbi.start[0] = itv->is_50hz ? 6 : 10;
1113 itv->vbi.start[1] = itv->is_50hz ? 318 : 273;
1114
1115 if (itv->hw_flags & IVTV_HW_CX25840)
1116 itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284;
1117
1118 IVTV_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)itv->std);
1119
1120 /* Tuner */
1121 ivtv_call_i2c_clients(itv, VIDIOC_S_STD, &itv->std);
1122
1123 if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1124 /* set display standard */
1125 itv->std_out = *std;
1126 itv->is_out_60hz = itv->is_60hz;
1127 itv->is_out_50hz = itv->is_50hz;
1128 ivtv_call_i2c_clients(itv, VIDIOC_INT_S_STD_OUTPUT, &itv->std_out);
1129 ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1, itv->is_out_50hz);
1130 itv->main_rect.left = itv->main_rect.top = 0;
1131 itv->main_rect.width = 720;
1132 itv->main_rect.height = itv->params.height;
1133 ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
1134 720, itv->main_rect.height, 0, 0);
1135 yi->main_rect = itv->main_rect;
1136 if (!itv->osd_info) {
1137 yi->osd_full_w = 720;
1138 yi->osd_full_h = itv->is_out_50hz ? 576 : 480;
1139 }
1140 }
1141 return 0;
1142 }
1143
1144 static int ivtv_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1145 {
1146 struct ivtv_open_id *id = fh;
1147 struct ivtv *itv = id->itv;
1148
1149 if (vt->index != 0)
1150 return -EINVAL;
1151
1152 ivtv_call_i2c_clients(itv, VIDIOC_S_TUNER, vt);
1153
1154 return 0;
1155 }
1156
1157 static int ivtv_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
1158 {
1159 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1160
1161 if (vt->index != 0)
1162 return -EINVAL;
1163
1164 ivtv_call_i2c_clients(itv, VIDIOC_G_TUNER, vt);
1165
1166 if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) {
1167 strlcpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name));
1168 vt->type = V4L2_TUNER_RADIO;
1169 } else {
1170 strlcpy(vt->name, "ivtv TV Tuner", sizeof(vt->name));
1171 vt->type = V4L2_TUNER_ANALOG_TV;
1172 }
1173
1174 return 0;
1175 }
1176
1177 static int ivtv_g_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_sliced_vbi_cap *cap)
1178 {
1179 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1180 int set = itv->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
1181 int f, l;
1182
1183 if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
1184 for (f = 0; f < 2; f++) {
1185 for (l = 0; l < 24; l++) {
1186 if (valid_service_line(f, l, itv->is_50hz))
1187 cap->service_lines[f][l] = set;
1188 }
1189 }
1190 return 0;
1191 }
1192 if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
1193 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
1194 return -EINVAL;
1195 if (itv->is_60hz) {
1196 cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
1197 cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
1198 } else {
1199 cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
1200 cap->service_lines[0][16] = V4L2_SLICED_VPS;
1201 }
1202 return 0;
1203 }
1204 return -EINVAL;
1205 }
1206
1207 static int ivtv_g_enc_index(struct file *file, void *fh, struct v4l2_enc_idx *idx)
1208 {
1209 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1210 struct v4l2_enc_idx_entry *e = idx->entry;
1211 int entries;
1212 int i;
1213
1214 entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) %
1215 IVTV_MAX_PGM_INDEX;
1216 if (entries > V4L2_ENC_IDX_ENTRIES)
1217 entries = V4L2_ENC_IDX_ENTRIES;
1218 idx->entries = 0;
1219 for (i = 0; i < entries; i++) {
1220 *e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX];
1221 if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) {
1222 idx->entries++;
1223 e++;
1224 }
1225 }
1226 itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX;
1227 return 0;
1228 }
1229
1230 static int ivtv_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
1231 {
1232 struct ivtv_open_id *id = fh;
1233 struct ivtv *itv = id->itv;
1234
1235
1236 switch (enc->cmd) {
1237 case V4L2_ENC_CMD_START:
1238 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
1239 enc->flags = 0;
1240 return ivtv_start_capture(id);
1241
1242 case V4L2_ENC_CMD_STOP:
1243 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
1244 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1245 ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1246 return 0;
1247
1248 case V4L2_ENC_CMD_PAUSE:
1249 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1250 enc->flags = 0;
1251
1252 if (!atomic_read(&itv->capturing))
1253 return -EPERM;
1254 if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1255 return 0;
1256
1257 ivtv_mute(itv);
1258 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 0);
1259 break;
1260
1261 case V4L2_ENC_CMD_RESUME:
1262 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1263 enc->flags = 0;
1264
1265 if (!atomic_read(&itv->capturing))
1266 return -EPERM;
1267
1268 if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1269 return 0;
1270
1271 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1);
1272 ivtv_unmute(itv);
1273 break;
1274 default:
1275 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1276 return -EINVAL;
1277 }
1278
1279 return 0;
1280 }
1281
1282 static int ivtv_try_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
1283 {
1284 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1285
1286 switch (enc->cmd) {
1287 case V4L2_ENC_CMD_START:
1288 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
1289 enc->flags = 0;
1290 return 0;
1291
1292 case V4L2_ENC_CMD_STOP:
1293 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
1294 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
1295 return 0;
1296
1297 case V4L2_ENC_CMD_PAUSE:
1298 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1299 enc->flags = 0;
1300 return 0;
1301
1302 case V4L2_ENC_CMD_RESUME:
1303 IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1304 enc->flags = 0;
1305 return 0;
1306 default:
1307 IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
1308 return -EINVAL;
1309 }
1310 }
1311
1312 static int ivtv_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
1313 {
1314 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1315 u32 data[CX2341X_MBOX_MAX_DATA];
1316 struct yuv_playback_info *yi = &itv->yuv_info;
1317
1318 int pixfmt;
1319 static u32 pixel_format[16] = {
1320 V4L2_PIX_FMT_PAL8, /* Uses a 256-entry RGB colormap */
1321 V4L2_PIX_FMT_RGB565,
1322 V4L2_PIX_FMT_RGB555,
1323 V4L2_PIX_FMT_RGB444,
1324 V4L2_PIX_FMT_RGB32,
1325 0,
1326 0,
1327 0,
1328 V4L2_PIX_FMT_PAL8, /* Uses a 256-entry YUV colormap */
1329 V4L2_PIX_FMT_YUV565,
1330 V4L2_PIX_FMT_YUV555,
1331 V4L2_PIX_FMT_YUV444,
1332 V4L2_PIX_FMT_YUV32,
1333 0,
1334 0,
1335 0,
1336 };
1337
1338 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1339 return -EINVAL;
1340 if (!itv->osd_video_pbase)
1341 return -EINVAL;
1342
1343 fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY |
1344 V4L2_FBUF_CAP_GLOBAL_ALPHA;
1345
1346 ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
1347 data[0] |= (read_reg(0x2a00) >> 7) & 0x40;
1348 pixfmt = (data[0] >> 3) & 0xf;
1349
1350 fb->fmt.pixelformat = pixel_format[pixfmt];
1351 fb->fmt.width = itv->osd_rect.width;
1352 fb->fmt.height = itv->osd_rect.height;
1353 fb->fmt.field = V4L2_FIELD_INTERLACED;
1354 fb->fmt.bytesperline = fb->fmt.width;
1355 fb->fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
1356 fb->fmt.field = V4L2_FIELD_INTERLACED;
1357 fb->fmt.priv = 0;
1358 if (fb->fmt.pixelformat != V4L2_PIX_FMT_PAL8)
1359 fb->fmt.bytesperline *= 2;
1360 if (fb->fmt.pixelformat == V4L2_PIX_FMT_RGB32 ||
1361 fb->fmt.pixelformat == V4L2_PIX_FMT_YUV32)
1362 fb->fmt.bytesperline *= 2;
1363 fb->fmt.sizeimage = fb->fmt.bytesperline * fb->fmt.height;
1364 fb->base = (void *)itv->osd_video_pbase;
1365 fb->flags = 0;
1366
1367 if (itv->osd_chroma_key_state)
1368 fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
1369
1370 if (itv->osd_global_alpha_state)
1371 fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA;
1372
1373 pixfmt &= 7;
1374
1375 /* no local alpha for RGB565 or unknown formats */
1376 if (pixfmt == 1 || pixfmt > 4)
1377 return 0;
1378
1379 /* 16-bit formats have inverted local alpha */
1380 if (pixfmt == 2 || pixfmt == 3)
1381 fb->capability |= V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
1382 else
1383 fb->capability |= V4L2_FBUF_CAP_LOCAL_ALPHA;
1384
1385 if (itv->osd_local_alpha_state) {
1386 /* 16-bit formats have inverted local alpha */
1387 if (pixfmt == 2 || pixfmt == 3)
1388 fb->flags |= V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
1389 else
1390 fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
1391 }
1392 if (yi->track_osd)
1393 fb->flags |= V4L2_FBUF_FLAG_OVERLAY;
1394
1395 return 0;
1396 }
1397
1398 static int ivtv_s_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
1399 {
1400 struct ivtv_open_id *id = fh;
1401 struct ivtv *itv = id->itv;
1402 struct yuv_playback_info *yi = &itv->yuv_info;
1403
1404 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1405 return -EINVAL;
1406 if (!itv->osd_video_pbase)
1407 return -EINVAL;
1408
1409 itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0;
1410 itv->osd_local_alpha_state =
1411 (fb->flags & (V4L2_FBUF_FLAG_LOCAL_ALPHA|V4L2_FBUF_FLAG_LOCAL_INV_ALPHA)) != 0;
1412 itv->osd_chroma_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0;
1413 ivtv_set_osd_alpha(itv);
1414 yi->track_osd = (fb->flags & V4L2_FBUF_FLAG_OVERLAY) != 0;
1415 return ivtv_g_fbuf(file, fh, fb);
1416 }
1417
1418 static int ivtv_overlay(struct file *file, void *fh, unsigned int on)
1419 {
1420 struct ivtv_open_id *id = fh;
1421 struct ivtv *itv = id->itv;
1422
1423 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
1424 return -EINVAL;
1425
1426 ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, on != 0);
1427
1428 return 0;
1429 }
1430
1431 static int ivtv_log_status(struct file *file, void *fh)
1432 {
1433 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1434 u32 data[CX2341X_MBOX_MAX_DATA];
1435
1436 int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
1437 struct v4l2_input vidin;
1438 struct v4l2_audio audin;
1439 int i;
1440
1441 IVTV_INFO("================= START STATUS CARD #%d =================\n", itv->num);
1442 IVTV_INFO("Version: %s Card: %s\n", IVTV_VERSION, itv->card_name);
1443 if (itv->hw_flags & IVTV_HW_TVEEPROM) {
1444 struct tveeprom tv;
1445
1446 ivtv_read_eeprom(itv, &tv);
1447 }
1448 ivtv_call_i2c_clients(itv, VIDIOC_LOG_STATUS, NULL);
1449 ivtv_get_input(itv, itv->active_input, &vidin);
1450 ivtv_get_audio_input(itv, itv->audio_input, &audin);
1451 IVTV_INFO("Video Input: %s\n", vidin.name);
1452 IVTV_INFO("Audio Input: %s%s\n", audin.name,
1453 (itv->dualwatch_stereo_mode & ~0x300) == 0x200 ? " (Bilingual)" : "");
1454 if (has_output) {
1455 struct v4l2_output vidout;
1456 struct v4l2_audioout audout;
1457 int mode = itv->output_mode;
1458 static const char * const output_modes[5] = {
1459 "None",
1460 "MPEG Streaming",
1461 "YUV Streaming",
1462 "YUV Frames",
1463 "Passthrough",
1464 };
1465 static const char * const audio_modes[5] = {
1466 "Stereo",
1467 "Left",
1468 "Right",
1469 "Mono",
1470 "Swapped"
1471 };
1472 static const char * const alpha_mode[4] = {
1473 "None",
1474 "Global",
1475 "Local",
1476 "Global and Local"
1477 };
1478 static const char * const pixel_format[16] = {
1479 "ARGB Indexed",
1480 "RGB 5:6:5",
1481 "ARGB 1:5:5:5",
1482 "ARGB 1:4:4:4",
1483 "ARGB 8:8:8:8",
1484 "5",
1485 "6",
1486 "7",
1487 "AYUV Indexed",
1488 "YUV 5:6:5",
1489 "AYUV 1:5:5:5",
1490 "AYUV 1:4:4:4",
1491 "AYUV 8:8:8:8",
1492 "13",
1493 "14",
1494 "15",
1495 };
1496
1497 ivtv_get_output(itv, itv->active_output, &vidout);
1498 ivtv_get_audio_output(itv, 0, &audout);
1499 IVTV_INFO("Video Output: %s\n", vidout.name);
1500 IVTV_INFO("Audio Output: %s (Stereo/Bilingual: %s/%s)\n", audout.name,
1501 audio_modes[itv->audio_stereo_mode],
1502 audio_modes[itv->audio_bilingual_mode]);
1503 if (mode < 0 || mode > OUT_PASSTHROUGH)
1504 mode = OUT_NONE;
1505 IVTV_INFO("Output Mode: %s\n", output_modes[mode]);
1506 ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0);
1507 data[0] |= (read_reg(0x2a00) >> 7) & 0x40;
1508 IVTV_INFO("Overlay: %s, Alpha: %s, Pixel Format: %s\n",
1509 data[0] & 1 ? "On" : "Off",
1510 alpha_mode[(data[0] >> 1) & 0x3],
1511 pixel_format[(data[0] >> 3) & 0xf]);
1512 }
1513 IVTV_INFO("Tuner: %s\n",
1514 test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV");
1515 cx2341x_log_status(&itv->params, itv->name);
1516 IVTV_INFO("Status flags: 0x%08lx\n", itv->i_flags);
1517 for (i = 0; i < IVTV_MAX_STREAMS; i++) {
1518 struct ivtv_stream *s = &itv->streams[i];
1519
1520 if (s->v4l2dev == NULL || s->buffers == 0)
1521 continue;
1522 IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags,
1523 (s->buffers - s->q_free.buffers) * 100 / s->buffers,
1524 (s->buffers * s->buf_size) / 1024, s->buffers);
1525 }
1526
1527 IVTV_INFO("Read MPG/VBI: %lld/%lld bytes\n", (long long)itv->mpg_data_received, (long long)itv->vbi_data_inserted);
1528 IVTV_INFO("================== END STATUS CARD #%d ==================\n", itv->num);
1529
1530 return 0;
1531 }
1532
1533 static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
1534 {
1535 struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1536 struct ivtv *itv = id->itv;
1537 int nonblocking = filp->f_flags & O_NONBLOCK;
1538 struct ivtv_stream *s = &itv->streams[id->type];
1539
1540 switch (cmd) {
1541 case IVTV_IOC_DMA_FRAME: {
1542 struct ivtv_dma_frame *args = arg;
1543
1544 IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n");
1545 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1546 return -EINVAL;
1547 if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1548 return -EINVAL;
1549 if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL)
1550 return 0;
1551 if (ivtv_start_decoding(id, id->type)) {
1552 return -EBUSY;
1553 }
1554 if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) {
1555 ivtv_release_stream(s);
1556 return -EBUSY;
1557 }
1558 /* Mark that this file handle started the UDMA_YUV mode */
1559 id->yuv_frames = 1;
1560 if (args->y_source == NULL)
1561 return 0;
1562 return ivtv_yuv_prep_frame(itv, args);
1563 }
1564
1565 case VIDEO_GET_PTS: {
1566 u32 data[CX2341X_MBOX_MAX_DATA];
1567 u64 *pts = arg;
1568
1569 IVTV_DEBUG_IOCTL("VIDEO_GET_PTS\n");
1570 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1571 *pts = s->dma_pts;
1572 break;
1573 }
1574 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1575 return -EINVAL;
1576
1577 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1578 *pts = (u64) ((u64)itv->last_dec_timing[2] << 32) |
1579 (u64)itv->last_dec_timing[1];
1580 break;
1581 }
1582 *pts = 0;
1583 if (atomic_read(&itv->decoding)) {
1584 if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1585 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1586 return -EIO;
1587 }
1588 memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1589 set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1590 *pts = (u64) ((u64) data[2] << 32) | (u64) data[1];
1591 /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
1592 }
1593 break;
1594 }
1595
1596 case VIDEO_GET_FRAME_COUNT: {
1597 u32 data[CX2341X_MBOX_MAX_DATA];
1598 u64 *frame = arg;
1599
1600 IVTV_DEBUG_IOCTL("VIDEO_GET_FRAME_COUNT\n");
1601 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1602 *frame = 0;
1603 break;
1604 }
1605 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1606 return -EINVAL;
1607
1608 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1609 *frame = itv->last_dec_timing[0];
1610 break;
1611 }
1612 *frame = 0;
1613 if (atomic_read(&itv->decoding)) {
1614 if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1615 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1616 return -EIO;
1617 }
1618 memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1619 set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1620 *frame = data[0];
1621 }
1622 break;
1623 }
1624
1625 case VIDEO_PLAY: {
1626 struct video_command vc;
1627
1628 IVTV_DEBUG_IOCTL("VIDEO_PLAY\n");
1629 memset(&vc, 0, sizeof(vc));
1630 vc.cmd = VIDEO_CMD_PLAY;
1631 return ivtv_video_command(itv, id, &vc, 0);
1632 }
1633
1634 case VIDEO_STOP: {
1635 struct video_command vc;
1636
1637 IVTV_DEBUG_IOCTL("VIDEO_STOP\n");
1638 memset(&vc, 0, sizeof(vc));
1639 vc.cmd = VIDEO_CMD_STOP;
1640 vc.flags = VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY;
1641 return ivtv_video_command(itv, id, &vc, 0);
1642 }
1643
1644 case VIDEO_FREEZE: {
1645 struct video_command vc;
1646
1647 IVTV_DEBUG_IOCTL("VIDEO_FREEZE\n");
1648 memset(&vc, 0, sizeof(vc));
1649 vc.cmd = VIDEO_CMD_FREEZE;
1650 return ivtv_video_command(itv, id, &vc, 0);
1651 }
1652
1653 case VIDEO_CONTINUE: {
1654 struct video_command vc;
1655
1656 IVTV_DEBUG_IOCTL("VIDEO_CONTINUE\n");
1657 memset(&vc, 0, sizeof(vc));
1658 vc.cmd = VIDEO_CMD_CONTINUE;
1659 return ivtv_video_command(itv, id, &vc, 0);
1660 }
1661
1662 case VIDEO_COMMAND:
1663 case VIDEO_TRY_COMMAND: {
1664 struct video_command *vc = arg;
1665 int try = (cmd == VIDEO_TRY_COMMAND);
1666
1667 if (try)
1668 IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND %d\n", vc->cmd);
1669 else
1670 IVTV_DEBUG_IOCTL("VIDEO_COMMAND %d\n", vc->cmd);
1671 return ivtv_video_command(itv, id, vc, try);
1672 }
1673
1674 case VIDEO_GET_EVENT: {
1675 struct video_event *ev = arg;
1676 DEFINE_WAIT(wait);
1677
1678 IVTV_DEBUG_IOCTL("VIDEO_GET_EVENT\n");
1679 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1680 return -EINVAL;
1681 memset(ev, 0, sizeof(*ev));
1682 set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
1683
1684 while (1) {
1685 if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
1686 ev->type = VIDEO_EVENT_DECODER_STOPPED;
1687 else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
1688 ev->type = VIDEO_EVENT_VSYNC;
1689 ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
1690 VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN;
1691 if (itv->output_mode == OUT_UDMA_YUV &&
1692 (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) ==
1693 IVTV_YUV_MODE_PROGRESSIVE) {
1694 ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
1695 }
1696 }
1697 if (ev->type)
1698 return 0;
1699 if (nonblocking)
1700 return -EAGAIN;
1701 /* Wait for event. Note that serialize_lock is locked,
1702 so to allow other processes to access the driver while
1703 we are waiting unlock first and later lock again. */
1704 mutex_unlock(&itv->serialize_lock);
1705 prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
1706 if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0)
1707 schedule();
1708 finish_wait(&itv->event_waitq, &wait);
1709 mutex_lock(&itv->serialize_lock);
1710 if (signal_pending(current)) {
1711 /* return if a signal was received */
1712 IVTV_DEBUG_INFO("User stopped wait for event\n");
1713 return -EINTR;
1714 }
1715 }
1716 break;
1717 }
1718
1719 default:
1720 return -EINVAL;
1721 }
1722 return 0;
1723 }
1724
1725 static int ivtv_default(struct file *file, void *fh, int cmd, void *arg)
1726 {
1727 struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
1728
1729 switch (cmd) {
1730 case VIDIOC_INT_S_AUDIO_ROUTING: {
1731 struct v4l2_routing *route = arg;
1732
1733 ivtv_i2c_hw(itv, itv->card->hw_audio, VIDIOC_INT_S_AUDIO_ROUTING, route);
1734 break;
1735 }
1736
1737 case VIDIOC_INT_RESET: {
1738 u32 val = *(u32 *)arg;
1739
1740 if ((val == 0 && itv->options.newi2c) || (val & 0x01))
1741 ivtv_reset_ir_gpio(itv);
1742 if (val & 0x02)
1743 itv->video_dec_func(itv, cmd, NULL);
1744 break;
1745 }
1746
1747 default:
1748 return -EINVAL;
1749 }
1750 return 0;
1751 }
1752
1753 static int ivtv_serialized_ioctl(struct ivtv *itv, struct inode *inode, struct file *filp,
1754 unsigned int cmd, unsigned long arg)
1755 {
1756 struct video_device *vfd = video_devdata(filp);
1757 struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1758 int ret;
1759
1760 /* Filter dvb ioctls that cannot be handled by the v4l ioctl framework */
1761 switch (cmd) {
1762 case VIDEO_SELECT_SOURCE:
1763 IVTV_DEBUG_IOCTL("VIDEO_SELECT_SOURCE\n");
1764 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1765 return -EINVAL;
1766 return ivtv_passthrough_mode(itv, arg == VIDEO_SOURCE_DEMUX);
1767
1768 case AUDIO_SET_MUTE:
1769 IVTV_DEBUG_IOCTL("AUDIO_SET_MUTE\n");
1770 itv->speed_mute_audio = arg;
1771 return 0;
1772
1773 case AUDIO_CHANNEL_SELECT:
1774 IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n");
1775 if (arg > AUDIO_STEREO_SWAPPED)
1776 return -EINVAL;
1777 itv->audio_stereo_mode = arg;
1778 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1779 return 0;
1780
1781 case AUDIO_BILINGUAL_CHANNEL_SELECT:
1782 IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n");
1783 if (arg > AUDIO_STEREO_SWAPPED)
1784 return -EINVAL;
1785 itv->audio_bilingual_mode = arg;
1786 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1787 return 0;
1788
1789 case IVTV_IOC_DMA_FRAME:
1790 case VIDEO_GET_PTS:
1791 case VIDEO_GET_FRAME_COUNT:
1792 case VIDEO_GET_EVENT:
1793 case VIDEO_PLAY:
1794 case VIDEO_STOP:
1795 case VIDEO_FREEZE:
1796 case VIDEO_CONTINUE:
1797 case VIDEO_COMMAND:
1798 case VIDEO_TRY_COMMAND:
1799 return ivtv_decoder_ioctls(filp, cmd, (void *)arg);
1800
1801 default:
1802 break;
1803 }
1804
1805 /* check priority */
1806 switch (cmd) {
1807 case VIDIOC_S_CTRL:
1808 case VIDIOC_S_STD:
1809 case VIDIOC_S_INPUT:
1810 case VIDIOC_S_OUTPUT:
1811 case VIDIOC_S_TUNER:
1812 case VIDIOC_S_FREQUENCY:
1813 case VIDIOC_S_FMT:
1814 case VIDIOC_S_CROP:
1815 case VIDIOC_S_AUDIO:
1816 case VIDIOC_S_AUDOUT:
1817 case VIDIOC_S_EXT_CTRLS:
1818 case VIDIOC_S_FBUF:
1819 case VIDIOC_OVERLAY:
1820 ret = v4l2_prio_check(&itv->prio, &id->prio);
1821 if (ret)
1822 return ret;
1823 }
1824
1825 if (ivtv_debug & IVTV_DBGFLG_IOCTL)
1826 vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
1827 ret = video_ioctl2(inode, filp, cmd, arg);
1828 vfd->debug = 0;
1829 return ret;
1830 }
1831
1832 int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
1833 unsigned long arg)
1834 {
1835 struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1836 struct ivtv *itv = id->itv;
1837 int res;
1838
1839 mutex_lock(&itv->serialize_lock);
1840 res = ivtv_serialized_ioctl(itv, inode, filp, cmd, arg);
1841 mutex_unlock(&itv->serialize_lock);
1842 return res;
1843 }
1844
1845 static const struct v4l2_ioctl_ops ivtv_ioctl_ops = {
1846 .vidioc_querycap = ivtv_querycap,
1847 .vidioc_g_priority = ivtv_g_priority,
1848 .vidioc_s_priority = ivtv_s_priority,
1849 .vidioc_s_audio = ivtv_s_audio,
1850 .vidioc_g_audio = ivtv_g_audio,
1851 .vidioc_enumaudio = ivtv_enumaudio,
1852 .vidioc_s_audout = ivtv_s_audout,
1853 .vidioc_g_audout = ivtv_g_audout,
1854 .vidioc_enum_input = ivtv_enum_input,
1855 .vidioc_enum_output = ivtv_enum_output,
1856 .vidioc_enumaudout = ivtv_enumaudout,
1857 .vidioc_cropcap = ivtv_cropcap,
1858 .vidioc_s_crop = ivtv_s_crop,
1859 .vidioc_g_crop = ivtv_g_crop,
1860 .vidioc_g_input = ivtv_g_input,
1861 .vidioc_s_input = ivtv_s_input,
1862 .vidioc_g_output = ivtv_g_output,
1863 .vidioc_s_output = ivtv_s_output,
1864 .vidioc_g_frequency = ivtv_g_frequency,
1865 .vidioc_s_frequency = ivtv_s_frequency,
1866 .vidioc_s_tuner = ivtv_s_tuner,
1867 .vidioc_g_tuner = ivtv_g_tuner,
1868 .vidioc_g_enc_index = ivtv_g_enc_index,
1869 .vidioc_g_fbuf = ivtv_g_fbuf,
1870 .vidioc_s_fbuf = ivtv_s_fbuf,
1871 .vidioc_g_std = ivtv_g_std,
1872 .vidioc_s_std = ivtv_s_std,
1873 .vidioc_overlay = ivtv_overlay,
1874 .vidioc_log_status = ivtv_log_status,
1875 .vidioc_enum_fmt_vid_cap = ivtv_enum_fmt_vid_cap,
1876 .vidioc_encoder_cmd = ivtv_encoder_cmd,
1877 .vidioc_try_encoder_cmd = ivtv_try_encoder_cmd,
1878 .vidioc_enum_fmt_vid_out = ivtv_enum_fmt_vid_out,
1879 .vidioc_g_fmt_vid_cap = ivtv_g_fmt_vid_cap,
1880 .vidioc_g_fmt_vbi_cap = ivtv_g_fmt_vbi_cap,
1881 .vidioc_g_fmt_sliced_vbi_cap = ivtv_g_fmt_sliced_vbi_cap,
1882 .vidioc_g_fmt_vid_out = ivtv_g_fmt_vid_out,
1883 .vidioc_g_fmt_vid_out_overlay = ivtv_g_fmt_vid_out_overlay,
1884 .vidioc_g_fmt_sliced_vbi_out = ivtv_g_fmt_sliced_vbi_out,
1885 .vidioc_s_fmt_vid_cap = ivtv_s_fmt_vid_cap,
1886 .vidioc_s_fmt_vbi_cap = ivtv_s_fmt_vbi_cap,
1887 .vidioc_s_fmt_sliced_vbi_cap = ivtv_s_fmt_sliced_vbi_cap,
1888 .vidioc_s_fmt_vid_out = ivtv_s_fmt_vid_out,
1889 .vidioc_s_fmt_vid_out_overlay = ivtv_s_fmt_vid_out_overlay,
1890 .vidioc_s_fmt_sliced_vbi_out = ivtv_s_fmt_sliced_vbi_out,
1891 .vidioc_try_fmt_vid_cap = ivtv_try_fmt_vid_cap,
1892 .vidioc_try_fmt_vbi_cap = ivtv_try_fmt_vbi_cap,
1893 .vidioc_try_fmt_sliced_vbi_cap = ivtv_try_fmt_sliced_vbi_cap,
1894 .vidioc_try_fmt_vid_out = ivtv_try_fmt_vid_out,
1895 .vidioc_try_fmt_vid_out_overlay = ivtv_try_fmt_vid_out_overlay,
1896 .vidioc_try_fmt_sliced_vbi_out = ivtv_try_fmt_sliced_vbi_out,
1897 .vidioc_g_sliced_vbi_cap = ivtv_g_sliced_vbi_cap,
1898 .vidioc_g_chip_ident = ivtv_g_chip_ident,
1899 #ifdef CONFIG_VIDEO_ADV_DEBUG
1900 .vidioc_g_register = ivtv_g_register,
1901 .vidioc_s_register = ivtv_s_register,
1902 #endif
1903 .vidioc_default = ivtv_default,
1904 .vidioc_queryctrl = ivtv_queryctrl,
1905 .vidioc_querymenu = ivtv_querymenu,
1906 .vidioc_g_ext_ctrls = ivtv_g_ext_ctrls,
1907 .vidioc_s_ext_ctrls = ivtv_s_ext_ctrls,
1908 .vidioc_try_ext_ctrls = ivtv_try_ext_ctrls,
1909 };
1910
1911 void ivtv_set_funcs(struct video_device *vdev)
1912 {
1913 vdev->ioctl_ops = &ivtv_ioctl_ops;
1914 }
kernel source for telekom puls (alcatel/mediatek)