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23#include <linux/init.h>
24#include <linux/list.h>
25#include <linux/module.h>
26#include <linux/kernel.h>
27#include <linux/slab.h>
28#include <linux/sort.h>
29
30#include "saa7134-reg.h"
31#include "saa7134.h"
32#include <media/v4l2-common.h>
33#include <media/saa6588.h>
34
35
36
37unsigned int video_debug;
38static unsigned int gbuffers = 8;
39static unsigned int noninterlaced;
40static unsigned int gbufsize = 720*576*4;
41static unsigned int gbufsize_max = 720*576*4;
42static char secam[] = "--";
43module_param(video_debug, int, 0644);
44MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
45module_param(gbuffers, int, 0444);
46MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
47module_param(noninterlaced, int, 0644);
48MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
49module_param_string(secam, secam, sizeof(secam), 0644);
50MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
51
52
53#define dprintk(fmt, arg...) if (video_debug&0x04) \
54 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
55
56
57
58
59
60
61#define VP_T_CODE_P_NON_INVERTED 0x00
62#define VP_T_CODE_P_INVERTED 0x01
63
64
65
66
67
68
69#define VP_CLK_CTRL2_NOT_DELAYED 0x00
70#define VP_CLK_CTRL2_DELAYED 0x04
71
72
73
74#define VP_CLK_CTRL1_NON_INVERTED 0x00
75#define VP_CLK_CTRL1_INVERTED 0x02
76
77
78
79
80
81
82#define VP_VS_TYPE_MASK 0x07
83
84#define VP_VS_TYPE_OFF 0x00
85#define VP_VS_TYPE_V123 0x01
86#define VP_VS_TYPE_V_ITU 0x02
87#define VP_VS_TYPE_VGATE_L 0x03
88#define VP_VS_TYPE_RESERVED1 0x04
89#define VP_VS_TYPE_RESERVED2 0x05
90#define VP_VS_TYPE_F_ITU 0x06
91#define VP_VS_TYPE_SC_FID 0x07
92
93
94
95
96static int video_out[][9] = {
97 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
98};
99
100static struct saa7134_format formats[] = {
101 {
102 .name = "8 bpp gray",
103 .fourcc = V4L2_PIX_FMT_GREY,
104 .depth = 8,
105 .pm = 0x06,
106 },{
107 .name = "15 bpp RGB, le",
108 .fourcc = V4L2_PIX_FMT_RGB555,
109 .depth = 16,
110 .pm = 0x13 | 0x80,
111 },{
112 .name = "15 bpp RGB, be",
113 .fourcc = V4L2_PIX_FMT_RGB555X,
114 .depth = 16,
115 .pm = 0x13 | 0x80,
116 .bswap = 1,
117 },{
118 .name = "16 bpp RGB, le",
119 .fourcc = V4L2_PIX_FMT_RGB565,
120 .depth = 16,
121 .pm = 0x10 | 0x80,
122 },{
123 .name = "16 bpp RGB, be",
124 .fourcc = V4L2_PIX_FMT_RGB565X,
125 .depth = 16,
126 .pm = 0x10 | 0x80,
127 .bswap = 1,
128 },{
129 .name = "24 bpp RGB, le",
130 .fourcc = V4L2_PIX_FMT_BGR24,
131 .depth = 24,
132 .pm = 0x11,
133 },{
134 .name = "24 bpp RGB, be",
135 .fourcc = V4L2_PIX_FMT_RGB24,
136 .depth = 24,
137 .pm = 0x11,
138 .bswap = 1,
139 },{
140 .name = "32 bpp RGB, le",
141 .fourcc = V4L2_PIX_FMT_BGR32,
142 .depth = 32,
143 .pm = 0x12,
144 },{
145 .name = "32 bpp RGB, be",
146 .fourcc = V4L2_PIX_FMT_RGB32,
147 .depth = 32,
148 .pm = 0x12,
149 .bswap = 1,
150 .wswap = 1,
151 },{
152 .name = "4:2:2 packed, YUYV",
153 .fourcc = V4L2_PIX_FMT_YUYV,
154 .depth = 16,
155 .pm = 0x00,
156 .bswap = 1,
157 .yuv = 1,
158 },{
159 .name = "4:2:2 packed, UYVY",
160 .fourcc = V4L2_PIX_FMT_UYVY,
161 .depth = 16,
162 .pm = 0x00,
163 .yuv = 1,
164 },{
165 .name = "4:2:2 planar, Y-Cb-Cr",
166 .fourcc = V4L2_PIX_FMT_YUV422P,
167 .depth = 16,
168 .pm = 0x09,
169 .yuv = 1,
170 .planar = 1,
171 .hshift = 1,
172 .vshift = 0,
173 },{
174 .name = "4:2:0 planar, Y-Cb-Cr",
175 .fourcc = V4L2_PIX_FMT_YUV420,
176 .depth = 12,
177 .pm = 0x0a,
178 .yuv = 1,
179 .planar = 1,
180 .hshift = 1,
181 .vshift = 1,
182 },{
183 .name = "4:2:0 planar, Y-Cb-Cr",
184 .fourcc = V4L2_PIX_FMT_YVU420,
185 .depth = 12,
186 .pm = 0x0a,
187 .yuv = 1,
188 .planar = 1,
189 .uvswap = 1,
190 .hshift = 1,
191 .vshift = 1,
192 }
193};
194#define FORMATS ARRAY_SIZE(formats)
195
196#define NORM_625_50 \
197 .h_start = 0, \
198 .h_stop = 719, \
199 .video_v_start = 24, \
200 .video_v_stop = 311, \
201 .vbi_v_start_0 = 7, \
202 .vbi_v_stop_0 = 22, \
203 .vbi_v_start_1 = 319, \
204 .src_timing = 4
205
206#define NORM_525_60 \
207 .h_start = 0, \
208 .h_stop = 719, \
209 .video_v_start = 23, \
210 .video_v_stop = 262, \
211 .vbi_v_start_0 = 10, \
212 .vbi_v_stop_0 = 21, \
213 .vbi_v_start_1 = 273, \
214 .src_timing = 7
215
216static struct saa7134_tvnorm tvnorms[] = {
217 {
218 .name = "PAL",
219 .id = V4L2_STD_PAL,
220 NORM_625_50,
221
222 .sync_control = 0x18,
223 .luma_control = 0x40,
224 .chroma_ctrl1 = 0x81,
225 .chroma_gain = 0x2a,
226 .chroma_ctrl2 = 0x06,
227 .vgate_misc = 0x1c,
228
229 },{
230 .name = "PAL-BG",
231 .id = V4L2_STD_PAL_BG,
232 NORM_625_50,
233
234 .sync_control = 0x18,
235 .luma_control = 0x40,
236 .chroma_ctrl1 = 0x81,
237 .chroma_gain = 0x2a,
238 .chroma_ctrl2 = 0x06,
239 .vgate_misc = 0x1c,
240
241 },{
242 .name = "PAL-I",
243 .id = V4L2_STD_PAL_I,
244 NORM_625_50,
245
246 .sync_control = 0x18,
247 .luma_control = 0x40,
248 .chroma_ctrl1 = 0x81,
249 .chroma_gain = 0x2a,
250 .chroma_ctrl2 = 0x06,
251 .vgate_misc = 0x1c,
252
253 },{
254 .name = "PAL-DK",
255 .id = V4L2_STD_PAL_DK,
256 NORM_625_50,
257
258 .sync_control = 0x18,
259 .luma_control = 0x40,
260 .chroma_ctrl1 = 0x81,
261 .chroma_gain = 0x2a,
262 .chroma_ctrl2 = 0x06,
263 .vgate_misc = 0x1c,
264
265 },{
266 .name = "NTSC",
267 .id = V4L2_STD_NTSC,
268 NORM_525_60,
269
270 .sync_control = 0x59,
271 .luma_control = 0x40,
272 .chroma_ctrl1 = 0x89,
273 .chroma_gain = 0x2a,
274 .chroma_ctrl2 = 0x0e,
275 .vgate_misc = 0x18,
276
277 },{
278 .name = "SECAM",
279 .id = V4L2_STD_SECAM,
280 NORM_625_50,
281
282 .sync_control = 0x18,
283 .luma_control = 0x1b,
284 .chroma_ctrl1 = 0xd1,
285 .chroma_gain = 0x80,
286 .chroma_ctrl2 = 0x00,
287 .vgate_misc = 0x1c,
288
289 },{
290 .name = "SECAM-DK",
291 .id = V4L2_STD_SECAM_DK,
292 NORM_625_50,
293
294 .sync_control = 0x18,
295 .luma_control = 0x1b,
296 .chroma_ctrl1 = 0xd1,
297 .chroma_gain = 0x80,
298 .chroma_ctrl2 = 0x00,
299 .vgate_misc = 0x1c,
300
301 },{
302 .name = "SECAM-L",
303 .id = V4L2_STD_SECAM_L,
304 NORM_625_50,
305
306 .sync_control = 0x18,
307 .luma_control = 0x1b,
308 .chroma_ctrl1 = 0xd1,
309 .chroma_gain = 0x80,
310 .chroma_ctrl2 = 0x00,
311 .vgate_misc = 0x1c,
312
313 },{
314 .name = "SECAM-Lc",
315 .id = V4L2_STD_SECAM_LC,
316 NORM_625_50,
317
318 .sync_control = 0x18,
319 .luma_control = 0x1b,
320 .chroma_ctrl1 = 0xd1,
321 .chroma_gain = 0x80,
322 .chroma_ctrl2 = 0x00,
323 .vgate_misc = 0x1c,
324
325 },{
326 .name = "PAL-M",
327 .id = V4L2_STD_PAL_M,
328 NORM_525_60,
329
330 .sync_control = 0x59,
331 .luma_control = 0x40,
332 .chroma_ctrl1 = 0xb9,
333 .chroma_gain = 0x2a,
334 .chroma_ctrl2 = 0x0e,
335 .vgate_misc = 0x18,
336
337 },{
338 .name = "PAL-Nc",
339 .id = V4L2_STD_PAL_Nc,
340 NORM_625_50,
341
342 .sync_control = 0x18,
343 .luma_control = 0x40,
344 .chroma_ctrl1 = 0xa1,
345 .chroma_gain = 0x2a,
346 .chroma_ctrl2 = 0x06,
347 .vgate_misc = 0x1c,
348
349 },{
350 .name = "PAL-60",
351 .id = V4L2_STD_PAL_60,
352
353 .h_start = 0,
354 .h_stop = 719,
355 .video_v_start = 23,
356 .video_v_stop = 262,
357 .vbi_v_start_0 = 10,
358 .vbi_v_stop_0 = 21,
359 .vbi_v_start_1 = 273,
360 .src_timing = 7,
361
362 .sync_control = 0x18,
363 .luma_control = 0x40,
364 .chroma_ctrl1 = 0x81,
365 .chroma_gain = 0x2a,
366 .chroma_ctrl2 = 0x06,
367 .vgate_misc = 0x1c,
368 }
369};
370#define TVNORMS ARRAY_SIZE(tvnorms)
371
372#define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
373#define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
374#define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
375#define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
376#define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
377
378static const struct v4l2_queryctrl no_ctrl = {
379 .name = "42",
380 .flags = V4L2_CTRL_FLAG_DISABLED,
381};
382static const struct v4l2_queryctrl video_ctrls[] = {
383
384 {
385 .id = V4L2_CID_BRIGHTNESS,
386 .name = "Brightness",
387 .minimum = 0,
388 .maximum = 255,
389 .step = 1,
390 .default_value = 128,
391 .type = V4L2_CTRL_TYPE_INTEGER,
392 },{
393 .id = V4L2_CID_CONTRAST,
394 .name = "Contrast",
395 .minimum = 0,
396 .maximum = 127,
397 .step = 1,
398 .default_value = 68,
399 .type = V4L2_CTRL_TYPE_INTEGER,
400 },{
401 .id = V4L2_CID_SATURATION,
402 .name = "Saturation",
403 .minimum = 0,
404 .maximum = 127,
405 .step = 1,
406 .default_value = 64,
407 .type = V4L2_CTRL_TYPE_INTEGER,
408 },{
409 .id = V4L2_CID_HUE,
410 .name = "Hue",
411 .minimum = -128,
412 .maximum = 127,
413 .step = 1,
414 .default_value = 0,
415 .type = V4L2_CTRL_TYPE_INTEGER,
416 },{
417 .id = V4L2_CID_HFLIP,
418 .name = "Mirror",
419 .minimum = 0,
420 .maximum = 1,
421 .type = V4L2_CTRL_TYPE_BOOLEAN,
422 },
423
424 {
425 .id = V4L2_CID_AUDIO_MUTE,
426 .name = "Mute",
427 .minimum = 0,
428 .maximum = 1,
429 .type = V4L2_CTRL_TYPE_BOOLEAN,
430 },{
431 .id = V4L2_CID_AUDIO_VOLUME,
432 .name = "Volume",
433 .minimum = -15,
434 .maximum = 15,
435 .step = 1,
436 .default_value = 0,
437 .type = V4L2_CTRL_TYPE_INTEGER,
438 },
439
440 {
441 .id = V4L2_CID_PRIVATE_INVERT,
442 .name = "Invert",
443 .minimum = 0,
444 .maximum = 1,
445 .type = V4L2_CTRL_TYPE_BOOLEAN,
446 },{
447 .id = V4L2_CID_PRIVATE_Y_ODD,
448 .name = "y offset odd field",
449 .minimum = 0,
450 .maximum = 128,
451 .step = 1,
452 .default_value = 0,
453 .type = V4L2_CTRL_TYPE_INTEGER,
454 },{
455 .id = V4L2_CID_PRIVATE_Y_EVEN,
456 .name = "y offset even field",
457 .minimum = 0,
458 .maximum = 128,
459 .step = 1,
460 .default_value = 0,
461 .type = V4L2_CTRL_TYPE_INTEGER,
462 },{
463 .id = V4L2_CID_PRIVATE_AUTOMUTE,
464 .name = "automute",
465 .minimum = 0,
466 .maximum = 1,
467 .default_value = 1,
468 .type = V4L2_CTRL_TYPE_BOOLEAN,
469 }
470};
471static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
472
473static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
474{
475 unsigned int i;
476
477 for (i = 0; i < CTRLS; i++)
478 if (video_ctrls[i].id == id)
479 return video_ctrls+i;
480 return NULL;
481}
482
483static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
484{
485 unsigned int i;
486
487 for (i = 0; i < FORMATS; i++)
488 if (formats[i].fourcc == fourcc)
489 return formats+i;
490 return NULL;
491}
492
493
494
495
496static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
497{
498 if (fh->resources & bit)
499
500 return 1;
501
502
503 mutex_lock(&dev->lock);
504 if (dev->resources & bit) {
505
506 mutex_unlock(&dev->lock);
507 return 0;
508 }
509
510 fh->resources |= bit;
511 dev->resources |= bit;
512 dprintk("res: get %d\n",bit);
513 mutex_unlock(&dev->lock);
514 return 1;
515}
516
517static int res_check(struct saa7134_fh *fh, unsigned int bit)
518{
519 return (fh->resources & bit);
520}
521
522static int res_locked(struct saa7134_dev *dev, unsigned int bit)
523{
524 return (dev->resources & bit);
525}
526
527static
528void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
529{
530 BUG_ON((fh->resources & bits) != bits);
531
532 mutex_lock(&dev->lock);
533 fh->resources &= ~bits;
534 dev->resources &= ~bits;
535 dprintk("res: put %d\n",bits);
536 mutex_unlock(&dev->lock);
537}
538
539
540
541static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
542{
543 dprintk("set tv norm = %s\n",norm->name);
544 dev->tvnorm = norm;
545
546
547 dev->crop_bounds.left = norm->h_start;
548 dev->crop_defrect.left = norm->h_start;
549 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
550 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
551
552 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
553 dev->crop_defrect.top = norm->video_v_start*2;
554 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
555 - dev->crop_bounds.top;
556 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
557
558 dev->crop_current = dev->crop_defrect;
559
560 saa7134_set_tvnorm_hw(dev);
561}
562
563static void video_mux(struct saa7134_dev *dev, int input)
564{
565 dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
566 dev->ctl_input = input;
567 set_tvnorm(dev, dev->tvnorm);
568 saa7134_tvaudio_setinput(dev, &card_in(dev, input));
569}
570
571
572static void saa7134_set_decoder(struct saa7134_dev *dev)
573{
574 int luma_control, sync_control, mux;
575
576 struct saa7134_tvnorm *norm = dev->tvnorm;
577 mux = card_in(dev, dev->ctl_input).vmux;
578
579 luma_control = norm->luma_control;
580 sync_control = norm->sync_control;
581
582 if (mux > 5)
583 luma_control |= 0x80;
584 if (noninterlaced || dev->nosignal)
585 sync_control |= 0x20;
586
587
588 saa_writeb(SAA7134_INCR_DELAY, 0x08);
589 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
590 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
591
592 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
593 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
594 saa_writeb(SAA7134_HSYNC_START, 0xeb);
595 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
596 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
597
598 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
599 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
600 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
601
602 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
603 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
604
605 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
606 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
607
608 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
609 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
610 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
611
612 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
613 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
614
615 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
616 saa_writeb(SAA7134_VGATE_START, 0x11);
617 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
618 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
619 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
620 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
621}
622
623void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
624{
625 saa7134_set_decoder(dev);
626
627 if (card_in(dev, dev->ctl_input).tv)
628 saa_call_all(dev, core, s_std, dev->tvnorm->id);
629
630
631 saa_call_empress(dev, core, s_std, dev->tvnorm->id);
632}
633
634static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
635{
636 static const struct {
637 int xpsc;
638 int xacl;
639 int xc2_1;
640 int xdcg;
641 int vpfy;
642 } vals[] = {
643
644 { 1, 0, 0, 0, 0 },
645 { 2, 2, 1, 2, 2 },
646 { 3, 4, 1, 3, 2 },
647 { 4, 8, 1, 4, 2 },
648 { 5, 8, 1, 4, 2 },
649 { 6, 8, 1, 4, 3 },
650 { 7, 8, 1, 4, 3 },
651 { 8, 15, 0, 4, 3 },
652 { 9, 15, 0, 4, 3 },
653 { 10, 16, 1, 5, 3 },
654 };
655 static const int count = ARRAY_SIZE(vals);
656 int i;
657
658 for (i = 0; i < count; i++)
659 if (vals[i].xpsc == prescale)
660 break;
661 if (i == count)
662 return;
663
664 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
665 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
666 saa_writeb(SAA7134_LEVEL_CTRL(task),
667 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
668 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
669 (vals[i].vpfy << 2) | vals[i].vpfy);
670}
671
672static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
673{
674 int val,mirror;
675
676 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
677 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
678
679 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
680 if (yscale < 2048) {
681
682 dprintk("yscale LPI yscale=%d\n",yscale);
683 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
684 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
685 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
686 } else {
687
688 val = 0x40 * 1024 / yscale;
689 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
690 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
691 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
692 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
693 }
694 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
695}
696
697static void set_size(struct saa7134_dev *dev, int task,
698 int width, int height, int interlace)
699{
700 int prescale,xscale,yscale,y_even,y_odd;
701 int h_start, h_stop, v_start, v_stop;
702 int div = interlace ? 2 : 1;
703
704
705 h_start = dev->crop_current.left;
706 v_start = dev->crop_current.top/2;
707 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
708 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
709
710 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
711 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
712 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
713 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
714 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
715 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
716 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
717 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
718
719 prescale = dev->crop_current.width / width;
720 if (0 == prescale)
721 prescale = 1;
722 xscale = 1024 * dev->crop_current.width / prescale / width;
723 yscale = 512 * div * dev->crop_current.height / height;
724 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
725 set_h_prescale(dev,task,prescale);
726 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
727 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
728 set_v_scale(dev,task,yscale);
729
730 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
731 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
732 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
733 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
734
735
736 y_odd = dev->ctl_y_odd;
737 y_even = dev->ctl_y_even;
738 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
739 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
740 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
741 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
742}
743
744
745
746struct cliplist {
747 __u16 position;
748 __u8 enable;
749 __u8 disable;
750};
751
752static void set_cliplist(struct saa7134_dev *dev, int reg,
753 struct cliplist *cl, int entries, char *name)
754{
755 __u8 winbits = 0;
756 int i;
757
758 for (i = 0; i < entries; i++) {
759 winbits |= cl[i].enable;
760 winbits &= ~cl[i].disable;
761 if (i < 15 && cl[i].position == cl[i+1].position)
762 continue;
763 saa_writeb(reg + 0, winbits);
764 saa_writeb(reg + 2, cl[i].position & 0xff);
765 saa_writeb(reg + 3, cl[i].position >> 8);
766 dprintk("clip: %s winbits=%02x pos=%d\n",
767 name,winbits,cl[i].position);
768 reg += 8;
769 }
770 for (; reg < 0x400; reg += 8) {
771 saa_writeb(reg+ 0, 0);
772 saa_writeb(reg + 1, 0);
773 saa_writeb(reg + 2, 0);
774 saa_writeb(reg + 3, 0);
775 }
776}
777
778static int clip_range(int val)
779{
780 if (val < 0)
781 val = 0;
782 return val;
783}
784
785
786static int cliplist_cmp(const void *a, const void *b)
787{
788 const struct cliplist *cla = a;
789 const struct cliplist *clb = b;
790 if (cla->position < clb->position)
791 return -1;
792 if (cla->position > clb->position)
793 return 1;
794 return 0;
795}
796
797static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
798 int nclips, int interlace)
799{
800 struct cliplist col[16], row[16];
801 int cols = 0, rows = 0, i;
802 int div = interlace ? 2 : 1;
803
804 memset(col, 0, sizeof(col));
805 memset(row, 0, sizeof(row));
806 for (i = 0; i < nclips && i < 8; i++) {
807 col[cols].position = clip_range(clips[i].c.left);
808 col[cols].enable = (1 << i);
809 cols++;
810 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
811 col[cols].disable = (1 << i);
812 cols++;
813 row[rows].position = clip_range(clips[i].c.top / div);
814 row[rows].enable = (1 << i);
815 rows++;
816 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
817 / div);
818 row[rows].disable = (1 << i);
819 rows++;
820 }
821 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
822 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
823 set_cliplist(dev,0x380,col,cols,"cols");
824 set_cliplist(dev,0x384,row,rows,"rows");
825 return 0;
826}
827
828static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
829{
830 enum v4l2_field field;
831 int maxw, maxh;
832
833 if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
834 return -EINVAL;
835 if (win->w.width < 48)
836 win->w.width = 48;
837 if (win->w.height < 32)
838 win->w.height = 32;
839 if (win->clipcount > 8)
840 win->clipcount = 8;
841
842 win->chromakey = 0;
843 win->global_alpha = 0;
844 field = win->field;
845 maxw = dev->crop_current.width;
846 maxh = dev->crop_current.height;
847
848 if (V4L2_FIELD_ANY == field) {
849 field = (win->w.height > maxh/2)
850 ? V4L2_FIELD_INTERLACED
851 : V4L2_FIELD_TOP;
852 }
853 switch (field) {
854 case V4L2_FIELD_TOP:
855 case V4L2_FIELD_BOTTOM:
856 maxh = maxh / 2;
857 break;
858 default:
859 field = V4L2_FIELD_INTERLACED;
860 break;
861 }
862
863 win->field = field;
864 if (win->w.width > maxw)
865 win->w.width = maxw;
866 if (win->w.height > maxh)
867 win->w.height = maxh;
868 return 0;
869}
870
871static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
872{
873 unsigned long base,control,bpl;
874 int err;
875
876 err = verify_preview(dev, &dev->win, false);
877 if (0 != err)
878 return err;
879
880 dev->ovfield = dev->win.field;
881 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
882 dev->win.w.width, dev->win.w.height,
883 dev->win.w.left, dev->win.w.top,
884 dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
885
886
887 set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
888 V4L2_FIELD_HAS_BOTH(dev->ovfield));
889 setup_clipping(dev, dev->clips, dev->nclips,
890 V4L2_FIELD_HAS_BOTH(dev->ovfield));
891 if (dev->ovfmt->yuv)
892 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
893 else
894 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
895 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
896
897
898 base = (unsigned long)dev->ovbuf.base;
899 base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
900 base += dev->ovfmt->depth/8 * dev->win.w.left;
901 bpl = dev->ovbuf.fmt.bytesperline;
902 control = SAA7134_RS_CONTROL_BURST_16;
903 if (dev->ovfmt->bswap)
904 control |= SAA7134_RS_CONTROL_BSWAP;
905 if (dev->ovfmt->wswap)
906 control |= SAA7134_RS_CONTROL_WSWAP;
907 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
908 saa_writel(SAA7134_RS_BA1(1),base);
909 saa_writel(SAA7134_RS_BA2(1),base+bpl);
910 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
911 saa_writel(SAA7134_RS_CONTROL(1),control);
912 } else {
913 saa_writel(SAA7134_RS_BA1(1),base);
914 saa_writel(SAA7134_RS_BA2(1),base);
915 saa_writel(SAA7134_RS_PITCH(1),bpl);
916 saa_writel(SAA7134_RS_CONTROL(1),control);
917 }
918
919
920 dev->ovenable = 1;
921 saa7134_set_dmabits(dev);
922
923 return 0;
924}
925
926static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
927{
928 dev->ovenable = 0;
929 saa7134_set_dmabits(dev);
930 return 0;
931}
932
933
934
935static int buffer_activate(struct saa7134_dev *dev,
936 struct saa7134_buf *buf,
937 struct saa7134_buf *next)
938{
939 unsigned long base,control,bpl;
940 unsigned long bpl_uv,lines_uv,base2,base3,tmp;
941
942 dprintk("buffer_activate buf=%p\n",buf);
943 buf->vb.state = VIDEOBUF_ACTIVE;
944 buf->top_seen = 0;
945
946 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
947 V4L2_FIELD_HAS_BOTH(buf->vb.field));
948 if (buf->fmt->yuv)
949 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
950 else
951 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
952 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
953
954
955 base = saa7134_buffer_base(buf);
956 if (buf->fmt->planar)
957 bpl = buf->vb.width;
958 else
959 bpl = (buf->vb.width * buf->fmt->depth) / 8;
960 control = SAA7134_RS_CONTROL_BURST_16 |
961 SAA7134_RS_CONTROL_ME |
962 (buf->pt->dma >> 12);
963 if (buf->fmt->bswap)
964 control |= SAA7134_RS_CONTROL_BSWAP;
965 if (buf->fmt->wswap)
966 control |= SAA7134_RS_CONTROL_WSWAP;
967 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
968
969 saa_writel(SAA7134_RS_BA1(0),base);
970 saa_writel(SAA7134_RS_BA2(0),base+bpl);
971 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
972 } else {
973
974 saa_writel(SAA7134_RS_BA1(0),base);
975 saa_writel(SAA7134_RS_BA2(0),base);
976 saa_writel(SAA7134_RS_PITCH(0),bpl);
977 }
978 saa_writel(SAA7134_RS_CONTROL(0),control);
979
980 if (buf->fmt->planar) {
981
982 bpl_uv = bpl >> buf->fmt->hshift;
983 lines_uv = buf->vb.height >> buf->fmt->vshift;
984 base2 = base + bpl * buf->vb.height;
985 base3 = base2 + bpl_uv * lines_uv;
986 if (buf->fmt->uvswap)
987 tmp = base2, base2 = base3, base3 = tmp;
988 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
989 bpl_uv,lines_uv,base2,base3);
990 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
991
992 saa_writel(SAA7134_RS_BA1(4),base2);
993 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
994 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
995 saa_writel(SAA7134_RS_BA1(5),base3);
996 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
997 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
998 } else {
999
1000 saa_writel(SAA7134_RS_BA1(4),base2);
1001 saa_writel(SAA7134_RS_BA2(4),base2);
1002 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1003 saa_writel(SAA7134_RS_BA1(5),base3);
1004 saa_writel(SAA7134_RS_BA2(5),base3);
1005 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1006 }
1007 saa_writel(SAA7134_RS_CONTROL(4),control);
1008 saa_writel(SAA7134_RS_CONTROL(5),control);
1009 }
1010
1011
1012 saa7134_set_dmabits(dev);
1013 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1014 return 0;
1015}
1016
1017static int buffer_prepare(struct videobuf_queue *q,
1018 struct videobuf_buffer *vb,
1019 enum v4l2_field field)
1020{
1021 struct saa7134_fh *fh = q->priv_data;
1022 struct saa7134_dev *dev = fh->dev;
1023 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1024 unsigned int size;
1025 int err;
1026
1027
1028 if (NULL == dev->fmt)
1029 return -EINVAL;
1030 if (dev->width < 48 ||
1031 dev->height < 32 ||
1032 dev->width/4 > dev->crop_current.width ||
1033 dev->height/4 > dev->crop_current.height ||
1034 dev->width > dev->crop_bounds.width ||
1035 dev->height > dev->crop_bounds.height)
1036 return -EINVAL;
1037 size = (dev->width * dev->height * dev->fmt->depth) >> 3;
1038 if (0 != buf->vb.baddr && buf->vb.bsize < size)
1039 return -EINVAL;
1040
1041 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1042 vb->i, dev->width, dev->height, size, v4l2_field_names[field],
1043 dev->fmt->name);
1044 if (buf->vb.width != dev->width ||
1045 buf->vb.height != dev->height ||
1046 buf->vb.size != size ||
1047 buf->vb.field != field ||
1048 buf->fmt != dev->fmt) {
1049 saa7134_dma_free(q,buf);
1050 }
1051
1052 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1053 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1054
1055 buf->vb.width = dev->width;
1056 buf->vb.height = dev->height;
1057 buf->vb.size = size;
1058 buf->vb.field = field;
1059 buf->fmt = dev->fmt;
1060 buf->pt = &fh->pt_cap;
1061 dev->video_q.curr = NULL;
1062
1063 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1064 if (err)
1065 goto oops;
1066 err = saa7134_pgtable_build(dev->pci,buf->pt,
1067 dma->sglist,
1068 dma->sglen,
1069 saa7134_buffer_startpage(buf));
1070 if (err)
1071 goto oops;
1072 }
1073 buf->vb.state = VIDEOBUF_PREPARED;
1074 buf->activate = buffer_activate;
1075 return 0;
1076
1077 oops:
1078 saa7134_dma_free(q,buf);
1079 return err;
1080}
1081
1082static int
1083buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1084{
1085 struct saa7134_fh *fh = q->priv_data;
1086 struct saa7134_dev *dev = fh->dev;
1087
1088 *size = dev->fmt->depth * dev->width * dev->height >> 3;
1089 if (0 == *count)
1090 *count = gbuffers;
1091 *count = saa7134_buffer_count(*size,*count);
1092 return 0;
1093}
1094
1095static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1096{
1097 struct saa7134_fh *fh = q->priv_data;
1098 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1099
1100 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1101}
1102
1103static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1104{
1105 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1106
1107 saa7134_dma_free(q,buf);
1108}
1109
1110static struct videobuf_queue_ops video_qops = {
1111 .buf_setup = buffer_setup,
1112 .buf_prepare = buffer_prepare,
1113 .buf_queue = buffer_queue,
1114 .buf_release = buffer_release,
1115};
1116
1117
1118
1119int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1120{
1121 const struct v4l2_queryctrl* ctrl;
1122
1123 ctrl = ctrl_by_id(c->id);
1124 if (NULL == ctrl)
1125 return -EINVAL;
1126 switch (c->id) {
1127 case V4L2_CID_BRIGHTNESS:
1128 c->value = dev->ctl_bright;
1129 break;
1130 case V4L2_CID_HUE:
1131 c->value = dev->ctl_hue;
1132 break;
1133 case V4L2_CID_CONTRAST:
1134 c->value = dev->ctl_contrast;
1135 break;
1136 case V4L2_CID_SATURATION:
1137 c->value = dev->ctl_saturation;
1138 break;
1139 case V4L2_CID_AUDIO_MUTE:
1140 c->value = dev->ctl_mute;
1141 break;
1142 case V4L2_CID_AUDIO_VOLUME:
1143 c->value = dev->ctl_volume;
1144 break;
1145 case V4L2_CID_PRIVATE_INVERT:
1146 c->value = dev->ctl_invert;
1147 break;
1148 case V4L2_CID_HFLIP:
1149 c->value = dev->ctl_mirror;
1150 break;
1151 case V4L2_CID_PRIVATE_Y_EVEN:
1152 c->value = dev->ctl_y_even;
1153 break;
1154 case V4L2_CID_PRIVATE_Y_ODD:
1155 c->value = dev->ctl_y_odd;
1156 break;
1157 case V4L2_CID_PRIVATE_AUTOMUTE:
1158 c->value = dev->ctl_automute;
1159 break;
1160 default:
1161 return -EINVAL;
1162 }
1163 return 0;
1164}
1165EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal);
1166
1167static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c)
1168{
1169 struct saa7134_fh *fh = priv;
1170
1171 return saa7134_g_ctrl_internal(fh->dev, fh, c);
1172}
1173
1174int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1175{
1176 const struct v4l2_queryctrl* ctrl;
1177 unsigned long flags;
1178 int restart_overlay = 0;
1179 int err;
1180
1181 err = -EINVAL;
1182
1183 mutex_lock(&dev->lock);
1184
1185 ctrl = ctrl_by_id(c->id);
1186 if (NULL == ctrl)
1187 goto error;
1188
1189 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1190 switch (ctrl->type) {
1191 case V4L2_CTRL_TYPE_BOOLEAN:
1192 case V4L2_CTRL_TYPE_MENU:
1193 case V4L2_CTRL_TYPE_INTEGER:
1194 if (c->value < ctrl->minimum)
1195 c->value = ctrl->minimum;
1196 if (c->value > ctrl->maximum)
1197 c->value = ctrl->maximum;
1198 break;
1199 default:
1200 ;
1201 }
1202 switch (c->id) {
1203 case V4L2_CID_BRIGHTNESS:
1204 dev->ctl_bright = c->value;
1205 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1206 break;
1207 case V4L2_CID_HUE:
1208 dev->ctl_hue = c->value;
1209 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1210 break;
1211 case V4L2_CID_CONTRAST:
1212 dev->ctl_contrast = c->value;
1213 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1214 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1215 break;
1216 case V4L2_CID_SATURATION:
1217 dev->ctl_saturation = c->value;
1218 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1219 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1220 break;
1221 case V4L2_CID_AUDIO_MUTE:
1222 dev->ctl_mute = c->value;
1223 saa7134_tvaudio_setmute(dev);
1224 break;
1225 case V4L2_CID_AUDIO_VOLUME:
1226 dev->ctl_volume = c->value;
1227 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1228 break;
1229 case V4L2_CID_PRIVATE_INVERT:
1230 dev->ctl_invert = c->value;
1231 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1232 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1233 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1234 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1235 break;
1236 case V4L2_CID_HFLIP:
1237 dev->ctl_mirror = c->value;
1238 restart_overlay = 1;
1239 break;
1240 case V4L2_CID_PRIVATE_Y_EVEN:
1241 dev->ctl_y_even = c->value;
1242 restart_overlay = 1;
1243 break;
1244 case V4L2_CID_PRIVATE_Y_ODD:
1245 dev->ctl_y_odd = c->value;
1246 restart_overlay = 1;
1247 break;
1248 case V4L2_CID_PRIVATE_AUTOMUTE:
1249 {
1250 struct v4l2_priv_tun_config tda9887_cfg;
1251
1252 tda9887_cfg.tuner = TUNER_TDA9887;
1253 tda9887_cfg.priv = &dev->tda9887_conf;
1254
1255 dev->ctl_automute = c->value;
1256 if (dev->tda9887_conf) {
1257 if (dev->ctl_automute)
1258 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1259 else
1260 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1261
1262 saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1263 }
1264 break;
1265 }
1266 default:
1267 goto error;
1268 }
1269 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1270 spin_lock_irqsave(&dev->slock,flags);
1271 stop_preview(dev,fh);
1272 start_preview(dev,fh);
1273 spin_unlock_irqrestore(&dev->slock,flags);
1274 }
1275 err = 0;
1276
1277error:
1278 mutex_unlock(&dev->lock);
1279 return err;
1280}
1281EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal);
1282
1283static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c)
1284{
1285 struct saa7134_fh *fh = f;
1286
1287 return saa7134_s_ctrl_internal(fh->dev, fh, c);
1288}
1289
1290
1291
1292static struct videobuf_queue *saa7134_queue(struct file *file)
1293{
1294 struct video_device *vdev = video_devdata(file);
1295 struct saa7134_fh *fh = file->private_data;
1296 struct videobuf_queue *q = NULL;
1297
1298 switch (vdev->vfl_type) {
1299 case VFL_TYPE_GRABBER:
1300 q = &fh->cap;
1301 break;
1302 case VFL_TYPE_VBI:
1303 q = &fh->vbi;
1304 break;
1305 default:
1306 BUG();
1307 }
1308 return q;
1309}
1310
1311static int saa7134_resource(struct file *file)
1312{
1313 struct video_device *vdev = video_devdata(file);
1314
1315 if (vdev->vfl_type == VFL_TYPE_GRABBER)
1316 return RESOURCE_VIDEO;
1317
1318 if (vdev->vfl_type == VFL_TYPE_VBI)
1319 return RESOURCE_VBI;
1320
1321 BUG();
1322 return 0;
1323}
1324
1325static int video_open(struct file *file)
1326{
1327 struct video_device *vdev = video_devdata(file);
1328 struct saa7134_dev *dev = video_drvdata(file);
1329 struct saa7134_fh *fh;
1330
1331
1332 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1333 if (NULL == fh)
1334 return -ENOMEM;
1335
1336 v4l2_fh_init(&fh->fh, vdev);
1337 file->private_data = fh;
1338 fh->dev = dev;
1339
1340 videobuf_queue_sg_init(&fh->cap, &video_qops,
1341 &dev->pci->dev, &dev->slock,
1342 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1343 V4L2_FIELD_INTERLACED,
1344 sizeof(struct saa7134_buf),
1345 fh, NULL);
1346 videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops,
1347 &dev->pci->dev, &dev->slock,
1348 V4L2_BUF_TYPE_VBI_CAPTURE,
1349 V4L2_FIELD_SEQ_TB,
1350 sizeof(struct saa7134_buf),
1351 fh, NULL);
1352 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1353 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1354
1355 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1356
1357 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1358 saa_call_all(dev, tuner, s_radio);
1359 } else {
1360
1361 video_mux(dev,dev->ctl_input);
1362 }
1363 v4l2_fh_add(&fh->fh);
1364
1365 return 0;
1366}
1367
1368static ssize_t
1369video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1370{
1371 struct video_device *vdev = video_devdata(file);
1372 struct saa7134_fh *fh = file->private_data;
1373
1374 switch (vdev->vfl_type) {
1375 case VFL_TYPE_GRABBER:
1376 if (res_locked(fh->dev,RESOURCE_VIDEO))
1377 return -EBUSY;
1378 return videobuf_read_one(saa7134_queue(file),
1379 data, count, ppos,
1380 file->f_flags & O_NONBLOCK);
1381 case VFL_TYPE_VBI:
1382 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1383 return -EBUSY;
1384 return videobuf_read_stream(saa7134_queue(file),
1385 data, count, ppos, 1,
1386 file->f_flags & O_NONBLOCK);
1387 break;
1388 default:
1389 BUG();
1390 return 0;
1391 }
1392}
1393
1394static unsigned int
1395video_poll(struct file *file, struct poll_table_struct *wait)
1396{
1397 struct video_device *vdev = video_devdata(file);
1398 struct saa7134_fh *fh = file->private_data;
1399 struct videobuf_buffer *buf = NULL;
1400 unsigned int rc = 0;
1401
1402 if (vdev->vfl_type == VFL_TYPE_VBI)
1403 return videobuf_poll_stream(file, &fh->vbi, wait);
1404
1405 if (res_check(fh,RESOURCE_VIDEO)) {
1406 mutex_lock(&fh->cap.vb_lock);
1407 if (!list_empty(&fh->cap.stream))
1408 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1409 } else {
1410 mutex_lock(&fh->cap.vb_lock);
1411 if (UNSET == fh->cap.read_off) {
1412
1413 if (res_locked(fh->dev,RESOURCE_VIDEO))
1414 goto err;
1415 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field))
1416 goto err;
1417 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1418 fh->cap.read_off = 0;
1419 }
1420 buf = fh->cap.read_buf;
1421 }
1422
1423 if (!buf)
1424 goto err;
1425
1426 poll_wait(file, &buf->done, wait);
1427 if (buf->state == VIDEOBUF_DONE ||
1428 buf->state == VIDEOBUF_ERROR)
1429 rc = POLLIN|POLLRDNORM;
1430 mutex_unlock(&fh->cap.vb_lock);
1431 return rc;
1432
1433err:
1434 mutex_unlock(&fh->cap.vb_lock);
1435 return POLLERR;
1436}
1437
1438static int video_release(struct file *file)
1439{
1440 struct video_device *vdev = video_devdata(file);
1441 struct saa7134_fh *fh = file->private_data;
1442 struct saa7134_dev *dev = fh->dev;
1443 struct saa6588_command cmd;
1444 unsigned long flags;
1445
1446 saa7134_tvaudio_close(dev);
1447
1448
1449 if (res_check(fh, RESOURCE_OVERLAY)) {
1450 spin_lock_irqsave(&dev->slock,flags);
1451 stop_preview(dev,fh);
1452 spin_unlock_irqrestore(&dev->slock,flags);
1453 res_free(dev,fh,RESOURCE_OVERLAY);
1454 }
1455
1456
1457 if (res_check(fh, RESOURCE_VIDEO)) {
1458 pm_qos_remove_request(&dev->qos_request);
1459 videobuf_streamoff(&fh->cap);
1460 res_free(dev,fh,RESOURCE_VIDEO);
1461 }
1462 if (fh->cap.read_buf) {
1463 buffer_release(&fh->cap,fh->cap.read_buf);
1464 kfree(fh->cap.read_buf);
1465 }
1466
1467
1468 if (res_check(fh, RESOURCE_VBI)) {
1469 videobuf_stop(&fh->vbi);
1470 res_free(dev,fh,RESOURCE_VBI);
1471 }
1472
1473
1474 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1475 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1476 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1477 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1478
1479 saa_call_all(dev, core, s_power, 0);
1480 if (vdev->vfl_type == VFL_TYPE_RADIO)
1481 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1482
1483
1484 videobuf_mmap_free(&fh->cap);
1485 videobuf_mmap_free(&fh->vbi);
1486 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1487 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1488
1489 v4l2_fh_del(&fh->fh);
1490 v4l2_fh_exit(&fh->fh);
1491 file->private_data = NULL;
1492 kfree(fh);
1493 return 0;
1494}
1495
1496static int video_mmap(struct file *file, struct vm_area_struct * vma)
1497{
1498 return videobuf_mmap_mapper(saa7134_queue(file), vma);
1499}
1500
1501static ssize_t radio_read(struct file *file, char __user *data,
1502 size_t count, loff_t *ppos)
1503{
1504 struct saa7134_fh *fh = file->private_data;
1505 struct saa7134_dev *dev = fh->dev;
1506 struct saa6588_command cmd;
1507
1508 cmd.block_count = count/3;
1509 cmd.buffer = data;
1510 cmd.instance = file;
1511 cmd.result = -ENODEV;
1512
1513 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1514
1515 return cmd.result;
1516}
1517
1518static unsigned int radio_poll(struct file *file, poll_table *wait)
1519{
1520 struct saa7134_fh *fh = file->private_data;
1521 struct saa7134_dev *dev = fh->dev;
1522 struct saa6588_command cmd;
1523
1524 cmd.instance = file;
1525 cmd.event_list = wait;
1526 cmd.result = -ENODEV;
1527 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1528
1529 return cmd.result;
1530}
1531
1532
1533
1534static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1535 struct v4l2_format *f)
1536{
1537 struct saa7134_fh *fh = priv;
1538 struct saa7134_dev *dev = fh->dev;
1539 struct saa7134_tvnorm *norm = dev->tvnorm;
1540
1541 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1542 f->fmt.vbi.sampling_rate = 6750000 * 4;
1543 f->fmt.vbi.samples_per_line = 2048 ;
1544 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1545 f->fmt.vbi.offset = 64 * 4;
1546 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1547 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1548 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1549 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1550 f->fmt.vbi.flags = 0;
1551
1552 return 0;
1553}
1554
1555static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1556 struct v4l2_format *f)
1557{
1558 struct saa7134_fh *fh = priv;
1559 struct saa7134_dev *dev = fh->dev;
1560
1561 f->fmt.pix.width = dev->width;
1562 f->fmt.pix.height = dev->height;
1563 f->fmt.pix.field = fh->cap.field;
1564 f->fmt.pix.pixelformat = dev->fmt->fourcc;
1565 f->fmt.pix.bytesperline =
1566 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1567 f->fmt.pix.sizeimage =
1568 f->fmt.pix.height * f->fmt.pix.bytesperline;
1569 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1570 f->fmt.pix.priv = 0;
1571 return 0;
1572}
1573
1574static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1575 struct v4l2_format *f)
1576{
1577 struct saa7134_fh *fh = priv;
1578 struct saa7134_dev *dev = fh->dev;
1579 struct v4l2_clip __user *clips = f->fmt.win.clips;
1580 u32 clipcount = f->fmt.win.clipcount;
1581 int err = 0;
1582 int i;
1583
1584 if (saa7134_no_overlay > 0) {
1585 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1586 return -EINVAL;
1587 }
1588 mutex_lock(&dev->lock);
1589 f->fmt.win = dev->win;
1590 f->fmt.win.clips = clips;
1591 if (clips == NULL)
1592 clipcount = 0;
1593 if (dev->nclips < clipcount)
1594 clipcount = dev->nclips;
1595 f->fmt.win.clipcount = clipcount;
1596
1597 for (i = 0; !err && i < clipcount; i++) {
1598 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1599 sizeof(struct v4l2_rect)))
1600 err = -EFAULT;
1601 }
1602 mutex_unlock(&dev->lock);
1603
1604 return err;
1605}
1606
1607static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1608 struct v4l2_format *f)
1609{
1610 struct saa7134_fh *fh = priv;
1611 struct saa7134_dev *dev = fh->dev;
1612 struct saa7134_format *fmt;
1613 enum v4l2_field field;
1614 unsigned int maxw, maxh;
1615
1616 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1617 if (NULL == fmt)
1618 return -EINVAL;
1619
1620 field = f->fmt.pix.field;
1621 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1622 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1623
1624 if (V4L2_FIELD_ANY == field) {
1625 field = (f->fmt.pix.height > maxh/2)
1626 ? V4L2_FIELD_INTERLACED
1627 : V4L2_FIELD_BOTTOM;
1628 }
1629 switch (field) {
1630 case V4L2_FIELD_TOP:
1631 case V4L2_FIELD_BOTTOM:
1632 maxh = maxh / 2;
1633 break;
1634 default:
1635 field = V4L2_FIELD_INTERLACED;
1636 break;
1637 }
1638
1639 f->fmt.pix.field = field;
1640 if (f->fmt.pix.width < 48)
1641 f->fmt.pix.width = 48;
1642 if (f->fmt.pix.height < 32)
1643 f->fmt.pix.height = 32;
1644 if (f->fmt.pix.width > maxw)
1645 f->fmt.pix.width = maxw;
1646 if (f->fmt.pix.height > maxh)
1647 f->fmt.pix.height = maxh;
1648 f->fmt.pix.width &= ~0x03;
1649 f->fmt.pix.bytesperline =
1650 (f->fmt.pix.width * fmt->depth) >> 3;
1651 f->fmt.pix.sizeimage =
1652 f->fmt.pix.height * f->fmt.pix.bytesperline;
1653 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1654 f->fmt.pix.priv = 0;
1655
1656 return 0;
1657}
1658
1659static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1660 struct v4l2_format *f)
1661{
1662 struct saa7134_fh *fh = priv;
1663 struct saa7134_dev *dev = fh->dev;
1664
1665 if (saa7134_no_overlay > 0) {
1666 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1667 return -EINVAL;
1668 }
1669
1670 if (f->fmt.win.clips == NULL)
1671 f->fmt.win.clipcount = 0;
1672 return verify_preview(dev, &f->fmt.win, true);
1673}
1674
1675static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1676 struct v4l2_format *f)
1677{
1678 struct saa7134_fh *fh = priv;
1679 struct saa7134_dev *dev = fh->dev;
1680 int err;
1681
1682 err = saa7134_try_fmt_vid_cap(file, priv, f);
1683 if (0 != err)
1684 return err;
1685
1686 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1687 dev->width = f->fmt.pix.width;
1688 dev->height = f->fmt.pix.height;
1689 fh->cap.field = f->fmt.pix.field;
1690 return 0;
1691}
1692
1693static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1694 struct v4l2_format *f)
1695{
1696 struct saa7134_fh *fh = priv;
1697 struct saa7134_dev *dev = fh->dev;
1698 int err;
1699 unsigned long flags;
1700
1701 if (saa7134_no_overlay > 0) {
1702 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1703 return -EINVAL;
1704 }
1705 if (f->fmt.win.clips == NULL)
1706 f->fmt.win.clipcount = 0;
1707 err = verify_preview(dev, &f->fmt.win, true);
1708 if (0 != err)
1709 return err;
1710
1711 mutex_lock(&dev->lock);
1712
1713 dev->win = f->fmt.win;
1714 dev->nclips = f->fmt.win.clipcount;
1715
1716 if (copy_from_user(dev->clips, f->fmt.win.clips,
1717 sizeof(struct v4l2_clip) * dev->nclips)) {
1718 mutex_unlock(&dev->lock);
1719 return -EFAULT;
1720 }
1721
1722 if (res_check(fh, RESOURCE_OVERLAY)) {
1723 spin_lock_irqsave(&dev->slock, flags);
1724 stop_preview(dev, fh);
1725 start_preview(dev, fh);
1726 spin_unlock_irqrestore(&dev->slock, flags);
1727 }
1728
1729 mutex_unlock(&dev->lock);
1730 return 0;
1731}
1732
1733int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c)
1734{
1735 const struct v4l2_queryctrl *ctrl;
1736
1737 if ((c->id < V4L2_CID_BASE ||
1738 c->id >= V4L2_CID_LASTP1) &&
1739 (c->id < V4L2_CID_PRIVATE_BASE ||
1740 c->id >= V4L2_CID_PRIVATE_LASTP1))
1741 return -EINVAL;
1742 ctrl = ctrl_by_id(c->id);
1743 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1744 return 0;
1745}
1746EXPORT_SYMBOL_GPL(saa7134_queryctrl);
1747
1748static int saa7134_enum_input(struct file *file, void *priv,
1749 struct v4l2_input *i)
1750{
1751 struct saa7134_fh *fh = priv;
1752 struct saa7134_dev *dev = fh->dev;
1753 unsigned int n;
1754
1755 n = i->index;
1756 if (n >= SAA7134_INPUT_MAX)
1757 return -EINVAL;
1758 if (NULL == card_in(dev, i->index).name)
1759 return -EINVAL;
1760 i->index = n;
1761 i->type = V4L2_INPUT_TYPE_CAMERA;
1762 strcpy(i->name, card_in(dev, n).name);
1763 if (card_in(dev, n).tv)
1764 i->type = V4L2_INPUT_TYPE_TUNER;
1765 if (n == dev->ctl_input) {
1766 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1767 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1768
1769 if (0 != (v1 & 0x40))
1770 i->status |= V4L2_IN_ST_NO_H_LOCK;
1771 if (0 != (v2 & 0x40))
1772 i->status |= V4L2_IN_ST_NO_SYNC;
1773 if (0 != (v2 & 0x0e))
1774 i->status |= V4L2_IN_ST_MACROVISION;
1775 }
1776 i->std = SAA7134_NORMS;
1777 return 0;
1778}
1779
1780static int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1781{
1782 struct saa7134_fh *fh = priv;
1783 struct saa7134_dev *dev = fh->dev;
1784
1785 *i = dev->ctl_input;
1786 return 0;
1787}
1788
1789static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1790{
1791 struct saa7134_fh *fh = priv;
1792 struct saa7134_dev *dev = fh->dev;
1793
1794 if (i >= SAA7134_INPUT_MAX)
1795 return -EINVAL;
1796 if (NULL == card_in(dev, i).name)
1797 return -EINVAL;
1798 mutex_lock(&dev->lock);
1799 video_mux(dev, i);
1800 mutex_unlock(&dev->lock);
1801 return 0;
1802}
1803
1804static int saa7134_querycap(struct file *file, void *priv,
1805 struct v4l2_capability *cap)
1806{
1807 struct saa7134_fh *fh = priv;
1808 struct saa7134_dev *dev = fh->dev;
1809 struct video_device *vdev = video_devdata(file);
1810 u32 radio_caps, video_caps, vbi_caps;
1811
1812 unsigned int tuner_type = dev->tuner_type;
1813
1814 strcpy(cap->driver, "saa7134");
1815 strlcpy(cap->card, saa7134_boards[dev->board].name,
1816 sizeof(cap->card));
1817 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1818
1819 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1820 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1821 cap->device_caps |= V4L2_CAP_TUNER;
1822
1823 radio_caps = V4L2_CAP_RADIO;
1824 if (dev->has_rds)
1825 radio_caps |= V4L2_CAP_RDS_CAPTURE;
1826
1827 video_caps = V4L2_CAP_VIDEO_CAPTURE;
1828 if (saa7134_no_overlay <= 0)
1829 video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1830
1831 vbi_caps = V4L2_CAP_VBI_CAPTURE;
1832
1833 switch (vdev->vfl_type) {
1834 case VFL_TYPE_RADIO:
1835 cap->device_caps |= radio_caps;
1836 break;
1837 case VFL_TYPE_GRABBER:
1838 cap->device_caps |= video_caps;
1839 break;
1840 case VFL_TYPE_VBI:
1841 cap->device_caps |= vbi_caps;
1842 break;
1843 }
1844 cap->capabilities = radio_caps | video_caps | vbi_caps |
1845 cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1846 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1847 cap->device_caps &= ~V4L2_CAP_STREAMING;
1848 if (!dev->has_rds)
1849 cap->device_caps &= ~V4L2_CAP_READWRITE;
1850 }
1851
1852 return 0;
1853}
1854
1855int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id id)
1856{
1857 unsigned long flags;
1858 unsigned int i;
1859 v4l2_std_id fixup;
1860
1861 if (!fh && res_locked(dev, RESOURCE_OVERLAY)) {
1862
1863
1864 return -EBUSY;
1865 }
1866
1867 for (i = 0; i < TVNORMS; i++)
1868 if (id == tvnorms[i].id)
1869 break;
1870
1871 if (i == TVNORMS)
1872 for (i = 0; i < TVNORMS; i++)
1873 if (id & tvnorms[i].id)
1874 break;
1875 if (i == TVNORMS)
1876 return -EINVAL;
1877
1878 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1879 if (secam[0] == 'L' || secam[0] == 'l') {
1880 if (secam[1] == 'C' || secam[1] == 'c')
1881 fixup = V4L2_STD_SECAM_LC;
1882 else
1883 fixup = V4L2_STD_SECAM_L;
1884 } else {
1885 if (secam[0] == 'D' || secam[0] == 'd')
1886 fixup = V4L2_STD_SECAM_DK;
1887 else
1888 fixup = V4L2_STD_SECAM;
1889 }
1890 for (i = 0; i < TVNORMS; i++) {
1891 if (fixup == tvnorms[i].id)
1892 break;
1893 }
1894 if (i == TVNORMS)
1895 return -EINVAL;
1896 }
1897
1898 id = tvnorms[i].id;
1899
1900 mutex_lock(&dev->lock);
1901 if (fh && res_check(fh, RESOURCE_OVERLAY)) {
1902 spin_lock_irqsave(&dev->slock, flags);
1903 stop_preview(dev, fh);
1904 spin_unlock_irqrestore(&dev->slock, flags);
1905
1906 set_tvnorm(dev, &tvnorms[i]);
1907
1908 spin_lock_irqsave(&dev->slock, flags);
1909 start_preview(dev, fh);
1910 spin_unlock_irqrestore(&dev->slock, flags);
1911 } else
1912 set_tvnorm(dev, &tvnorms[i]);
1913
1914 saa7134_tvaudio_do_scan(dev);
1915 mutex_unlock(&dev->lock);
1916 return 0;
1917}
1918EXPORT_SYMBOL_GPL(saa7134_s_std_internal);
1919
1920static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1921{
1922 struct saa7134_fh *fh = priv;
1923
1924 return saa7134_s_std_internal(fh->dev, fh, id);
1925}
1926
1927static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1928{
1929 struct saa7134_fh *fh = priv;
1930 struct saa7134_dev *dev = fh->dev;
1931
1932 *id = dev->tvnorm->id;
1933 return 0;
1934}
1935
1936static int saa7134_cropcap(struct file *file, void *priv,
1937 struct v4l2_cropcap *cap)
1938{
1939 struct saa7134_fh *fh = priv;
1940 struct saa7134_dev *dev = fh->dev;
1941
1942 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1943 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1944 return -EINVAL;
1945 cap->bounds = dev->crop_bounds;
1946 cap->defrect = dev->crop_defrect;
1947 cap->pixelaspect.numerator = 1;
1948 cap->pixelaspect.denominator = 1;
1949 if (dev->tvnorm->id & V4L2_STD_525_60) {
1950 cap->pixelaspect.numerator = 11;
1951 cap->pixelaspect.denominator = 10;
1952 }
1953 if (dev->tvnorm->id & V4L2_STD_625_50) {
1954 cap->pixelaspect.numerator = 54;
1955 cap->pixelaspect.denominator = 59;
1956 }
1957 return 0;
1958}
1959
1960static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1961{
1962 struct saa7134_fh *fh = f;
1963 struct saa7134_dev *dev = fh->dev;
1964
1965 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1966 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1967 return -EINVAL;
1968 crop->c = dev->crop_current;
1969 return 0;
1970}
1971
1972static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
1973{
1974 struct saa7134_fh *fh = f;
1975 struct saa7134_dev *dev = fh->dev;
1976 struct v4l2_rect *b = &dev->crop_bounds;
1977 struct v4l2_rect *c = &dev->crop_current;
1978
1979 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1980 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1981 return -EINVAL;
1982 if (crop->c.height < 0)
1983 return -EINVAL;
1984 if (crop->c.width < 0)
1985 return -EINVAL;
1986
1987 if (res_locked(fh->dev, RESOURCE_OVERLAY))
1988 return -EBUSY;
1989 if (res_locked(fh->dev, RESOURCE_VIDEO))
1990 return -EBUSY;
1991
1992 *c = crop->c;
1993 if (c->top < b->top)
1994 c->top = b->top;
1995 if (c->top > b->top + b->height)
1996 c->top = b->top + b->height;
1997 if (c->height > b->top - c->top + b->height)
1998 c->height = b->top - c->top + b->height;
1999
2000 if (c->left < b->left)
2001 c->left = b->left;
2002 if (c->left > b->left + b->width)
2003 c->left = b->left + b->width;
2004 if (c->width > b->left - c->left + b->width)
2005 c->width = b->left - c->left + b->width;
2006 return 0;
2007}
2008
2009static int saa7134_g_tuner(struct file *file, void *priv,
2010 struct v4l2_tuner *t)
2011{
2012 struct saa7134_fh *fh = priv;
2013 struct saa7134_dev *dev = fh->dev;
2014 int n;
2015
2016 if (0 != t->index)
2017 return -EINVAL;
2018 memset(t, 0, sizeof(*t));
2019 for (n = 0; n < SAA7134_INPUT_MAX; n++) {
2020 if (card_in(dev, n).tv)
2021 break;
2022 }
2023 if (n == SAA7134_INPUT_MAX)
2024 return -EINVAL;
2025 if (NULL != card_in(dev, n).name) {
2026 strcpy(t->name, "Television");
2027 t->type = V4L2_TUNER_ANALOG_TV;
2028 saa_call_all(dev, tuner, g_tuner, t);
2029 t->capability = V4L2_TUNER_CAP_NORM |
2030 V4L2_TUNER_CAP_STEREO |
2031 V4L2_TUNER_CAP_LANG1 |
2032 V4L2_TUNER_CAP_LANG2;
2033 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
2034 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
2035 }
2036 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
2037 t->signal = 0xffff;
2038 return 0;
2039}
2040
2041static int saa7134_s_tuner(struct file *file, void *priv,
2042 const struct v4l2_tuner *t)
2043{
2044 struct saa7134_fh *fh = priv;
2045 struct saa7134_dev *dev = fh->dev;
2046 int rx, mode;
2047
2048 if (0 != t->index)
2049 return -EINVAL;
2050
2051 mode = dev->thread.mode;
2052 if (UNSET == mode) {
2053 rx = saa7134_tvaudio_getstereo(dev);
2054 mode = saa7134_tvaudio_rx2mode(rx);
2055 }
2056 if (mode != t->audmode)
2057 dev->thread.mode = t->audmode;
2058
2059 return 0;
2060}
2061
2062static int saa7134_g_frequency(struct file *file, void *priv,
2063 struct v4l2_frequency *f)
2064{
2065 struct saa7134_fh *fh = priv;
2066 struct saa7134_dev *dev = fh->dev;
2067
2068 if (0 != f->tuner)
2069 return -EINVAL;
2070
2071 saa_call_all(dev, tuner, g_frequency, f);
2072
2073 return 0;
2074}
2075
2076static int saa7134_s_frequency(struct file *file, void *priv,
2077 const struct v4l2_frequency *f)
2078{
2079 struct saa7134_fh *fh = priv;
2080 struct saa7134_dev *dev = fh->dev;
2081
2082 if (0 != f->tuner)
2083 return -EINVAL;
2084 mutex_lock(&dev->lock);
2085
2086 saa_call_all(dev, tuner, s_frequency, f);
2087
2088 saa7134_tvaudio_do_scan(dev);
2089 mutex_unlock(&dev->lock);
2090 return 0;
2091}
2092
2093static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
2094 struct v4l2_fmtdesc *f)
2095{
2096 if (f->index >= FORMATS)
2097 return -EINVAL;
2098
2099 strlcpy(f->description, formats[f->index].name,
2100 sizeof(f->description));
2101
2102 f->pixelformat = formats[f->index].fourcc;
2103
2104 return 0;
2105}
2106
2107static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
2108 struct v4l2_fmtdesc *f)
2109{
2110 if (saa7134_no_overlay > 0) {
2111 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2112 return -EINVAL;
2113 }
2114
2115 if ((f->index >= FORMATS) || formats[f->index].planar)
2116 return -EINVAL;
2117
2118 strlcpy(f->description, formats[f->index].name,
2119 sizeof(f->description));
2120
2121 f->pixelformat = formats[f->index].fourcc;
2122
2123 return 0;
2124}
2125
2126static int saa7134_g_fbuf(struct file *file, void *f,
2127 struct v4l2_framebuffer *fb)
2128{
2129 struct saa7134_fh *fh = f;
2130 struct saa7134_dev *dev = fh->dev;
2131
2132 *fb = dev->ovbuf;
2133 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2134
2135 return 0;
2136}
2137
2138static int saa7134_s_fbuf(struct file *file, void *f,
2139 const struct v4l2_framebuffer *fb)
2140{
2141 struct saa7134_fh *fh = f;
2142 struct saa7134_dev *dev = fh->dev;
2143 struct saa7134_format *fmt;
2144
2145 if (!capable(CAP_SYS_ADMIN) &&
2146 !capable(CAP_SYS_RAWIO))
2147 return -EPERM;
2148
2149
2150 fmt = format_by_fourcc(fb->fmt.pixelformat);
2151 if (NULL == fmt)
2152 return -EINVAL;
2153
2154
2155 dev->ovbuf = *fb;
2156 dev->ovfmt = fmt;
2157 if (0 == dev->ovbuf.fmt.bytesperline)
2158 dev->ovbuf.fmt.bytesperline =
2159 dev->ovbuf.fmt.width*fmt->depth/8;
2160 return 0;
2161}
2162
2163static int saa7134_overlay(struct file *file, void *f, unsigned int on)
2164{
2165 struct saa7134_fh *fh = f;
2166 struct saa7134_dev *dev = fh->dev;
2167 unsigned long flags;
2168
2169 if (on) {
2170 if (saa7134_no_overlay > 0) {
2171 dprintk("no_overlay\n");
2172 return -EINVAL;
2173 }
2174
2175 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2176 return -EBUSY;
2177 spin_lock_irqsave(&dev->slock, flags);
2178 start_preview(dev, fh);
2179 spin_unlock_irqrestore(&dev->slock, flags);
2180 }
2181 if (!on) {
2182 if (!res_check(fh, RESOURCE_OVERLAY))
2183 return -EINVAL;
2184 spin_lock_irqsave(&dev->slock, flags);
2185 stop_preview(dev, fh);
2186 spin_unlock_irqrestore(&dev->slock, flags);
2187 res_free(dev, fh, RESOURCE_OVERLAY);
2188 }
2189 return 0;
2190}
2191
2192static int saa7134_reqbufs(struct file *file, void *priv,
2193 struct v4l2_requestbuffers *p)
2194{
2195 return videobuf_reqbufs(saa7134_queue(file), p);
2196}
2197
2198static int saa7134_querybuf(struct file *file, void *priv,
2199 struct v4l2_buffer *b)
2200{
2201 return videobuf_querybuf(saa7134_queue(file), b);
2202}
2203
2204static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2205{
2206 return videobuf_qbuf(saa7134_queue(file), b);
2207}
2208
2209static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2210{
2211 return videobuf_dqbuf(saa7134_queue(file), b,
2212 file->f_flags & O_NONBLOCK);
2213}
2214
2215static int saa7134_streamon(struct file *file, void *priv,
2216 enum v4l2_buf_type type)
2217{
2218 struct saa7134_fh *fh = priv;
2219 struct saa7134_dev *dev = fh->dev;
2220 int res = saa7134_resource(file);
2221
2222 if (!res_get(dev, fh, res))
2223 return -EBUSY;
2224
2225
2226
2227
2228
2229
2230
2231
2232 pm_qos_add_request(&dev->qos_request,
2233 PM_QOS_CPU_DMA_LATENCY,
2234 20);
2235
2236 return videobuf_streamon(saa7134_queue(file));
2237}
2238
2239static int saa7134_streamoff(struct file *file, void *priv,
2240 enum v4l2_buf_type type)
2241{
2242 int err;
2243 struct saa7134_fh *fh = priv;
2244 struct saa7134_dev *dev = fh->dev;
2245 int res = saa7134_resource(file);
2246
2247 pm_qos_remove_request(&dev->qos_request);
2248
2249 err = videobuf_streamoff(saa7134_queue(file));
2250 if (err < 0)
2251 return err;
2252 res_free(dev, fh, res);
2253 return 0;
2254}
2255
2256#ifdef CONFIG_VIDEO_ADV_DEBUG
2257static int vidioc_g_register (struct file *file, void *priv,
2258 struct v4l2_dbg_register *reg)
2259{
2260 struct saa7134_fh *fh = priv;
2261 struct saa7134_dev *dev = fh->dev;
2262
2263 reg->val = saa_readb(reg->reg & 0xffffff);
2264 reg->size = 1;
2265 return 0;
2266}
2267
2268static int vidioc_s_register (struct file *file, void *priv,
2269 const struct v4l2_dbg_register *reg)
2270{
2271 struct saa7134_fh *fh = priv;
2272 struct saa7134_dev *dev = fh->dev;
2273
2274 saa_writeb(reg->reg & 0xffffff, reg->val);
2275 return 0;
2276}
2277#endif
2278
2279static int radio_g_tuner(struct file *file, void *priv,
2280 struct v4l2_tuner *t)
2281{
2282 struct saa7134_fh *fh = file->private_data;
2283 struct saa7134_dev *dev = fh->dev;
2284
2285 if (0 != t->index)
2286 return -EINVAL;
2287
2288 strcpy(t->name, "Radio");
2289
2290 saa_call_all(dev, tuner, g_tuner, t);
2291 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
2292 if (dev->input->amux == TV) {
2293 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2294 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2295 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2296 }
2297 return 0;
2298}
2299static int radio_s_tuner(struct file *file, void *priv,
2300 const struct v4l2_tuner *t)
2301{
2302 struct saa7134_fh *fh = file->private_data;
2303 struct saa7134_dev *dev = fh->dev;
2304
2305 if (0 != t->index)
2306 return -EINVAL;
2307
2308 saa_call_all(dev, tuner, s_tuner, t);
2309 return 0;
2310}
2311
2312static int radio_enum_input(struct file *file, void *priv,
2313 struct v4l2_input *i)
2314{
2315 if (i->index != 0)
2316 return -EINVAL;
2317
2318 strcpy(i->name, "Radio");
2319 i->type = V4L2_INPUT_TYPE_TUNER;
2320
2321 return 0;
2322}
2323
2324static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2325{
2326 *i = 0;
2327 return 0;
2328}
2329
2330static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2331{
2332 return 0;
2333}
2334
2335static int radio_s_std(struct file *file, void *fh, v4l2_std_id norm)
2336{
2337 return 0;
2338}
2339
2340static int radio_queryctrl(struct file *file, void *priv,
2341 struct v4l2_queryctrl *c)
2342{
2343 const struct v4l2_queryctrl *ctrl;
2344
2345 if (c->id < V4L2_CID_BASE ||
2346 c->id >= V4L2_CID_LASTP1)
2347 return -EINVAL;
2348 if (c->id == V4L2_CID_AUDIO_MUTE) {
2349 ctrl = ctrl_by_id(c->id);
2350 *c = *ctrl;
2351 } else
2352 *c = no_ctrl;
2353 return 0;
2354}
2355
2356static const struct v4l2_file_operations video_fops =
2357{
2358 .owner = THIS_MODULE,
2359 .open = video_open,
2360 .release = video_release,
2361 .read = video_read,
2362 .poll = video_poll,
2363 .mmap = video_mmap,
2364 .ioctl = video_ioctl2,
2365};
2366
2367static const struct v4l2_ioctl_ops video_ioctl_ops = {
2368 .vidioc_querycap = saa7134_querycap,
2369 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap,
2370 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
2371 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
2372 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
2373 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay,
2374 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay,
2375 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay,
2376 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay,
2377 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2378 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2379 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2380 .vidioc_cropcap = saa7134_cropcap,
2381 .vidioc_reqbufs = saa7134_reqbufs,
2382 .vidioc_querybuf = saa7134_querybuf,
2383 .vidioc_qbuf = saa7134_qbuf,
2384 .vidioc_dqbuf = saa7134_dqbuf,
2385 .vidioc_s_std = saa7134_s_std,
2386 .vidioc_g_std = saa7134_g_std,
2387 .vidioc_enum_input = saa7134_enum_input,
2388 .vidioc_g_input = saa7134_g_input,
2389 .vidioc_s_input = saa7134_s_input,
2390 .vidioc_queryctrl = saa7134_queryctrl,
2391 .vidioc_g_ctrl = saa7134_g_ctrl,
2392 .vidioc_s_ctrl = saa7134_s_ctrl,
2393 .vidioc_streamon = saa7134_streamon,
2394 .vidioc_streamoff = saa7134_streamoff,
2395 .vidioc_g_tuner = saa7134_g_tuner,
2396 .vidioc_s_tuner = saa7134_s_tuner,
2397 .vidioc_g_crop = saa7134_g_crop,
2398 .vidioc_s_crop = saa7134_s_crop,
2399 .vidioc_g_fbuf = saa7134_g_fbuf,
2400 .vidioc_s_fbuf = saa7134_s_fbuf,
2401 .vidioc_overlay = saa7134_overlay,
2402 .vidioc_g_frequency = saa7134_g_frequency,
2403 .vidioc_s_frequency = saa7134_s_frequency,
2404#ifdef CONFIG_VIDEO_ADV_DEBUG
2405 .vidioc_g_register = vidioc_g_register,
2406 .vidioc_s_register = vidioc_s_register,
2407#endif
2408};
2409
2410static const struct v4l2_file_operations radio_fops = {
2411 .owner = THIS_MODULE,
2412 .open = video_open,
2413 .read = radio_read,
2414 .release = video_release,
2415 .ioctl = video_ioctl2,
2416 .poll = radio_poll,
2417};
2418
2419static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2420 .vidioc_querycap = saa7134_querycap,
2421 .vidioc_g_tuner = radio_g_tuner,
2422 .vidioc_enum_input = radio_enum_input,
2423 .vidioc_s_tuner = radio_s_tuner,
2424 .vidioc_s_input = radio_s_input,
2425 .vidioc_s_std = radio_s_std,
2426 .vidioc_queryctrl = radio_queryctrl,
2427 .vidioc_g_input = radio_g_input,
2428 .vidioc_g_ctrl = saa7134_g_ctrl,
2429 .vidioc_s_ctrl = saa7134_s_ctrl,
2430 .vidioc_g_frequency = saa7134_g_frequency,
2431 .vidioc_s_frequency = saa7134_s_frequency,
2432};
2433
2434
2435
2436
2437struct video_device saa7134_video_template = {
2438 .name = "saa7134-video",
2439 .fops = &video_fops,
2440 .ioctl_ops = &video_ioctl_ops,
2441 .tvnorms = SAA7134_NORMS,
2442};
2443
2444struct video_device saa7134_radio_template = {
2445 .name = "saa7134-radio",
2446 .fops = &radio_fops,
2447 .ioctl_ops = &radio_ioctl_ops,
2448};
2449
2450int saa7134_video_init1(struct saa7134_dev *dev)
2451{
2452
2453 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2454 gbuffers = 2;
2455 if (gbufsize > gbufsize_max)
2456 gbufsize = gbufsize_max;
2457 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2458
2459
2460 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2461 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2462 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2463 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2464 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2465 dev->ctl_mute = 1;
2466 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2467 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2468
2469 if (dev->tda9887_conf && dev->ctl_automute)
2470 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2471 dev->automute = 0;
2472
2473 INIT_LIST_HEAD(&dev->video_q.queue);
2474 init_timer(&dev->video_q.timeout);
2475 dev->video_q.timeout.function = saa7134_buffer_timeout;
2476 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2477 dev->video_q.dev = dev;
2478 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2479 dev->width = 720;
2480 dev->height = 576;
2481 dev->win.w.width = dev->width;
2482 dev->win.w.height = dev->height;
2483 dev->win.field = V4L2_FIELD_INTERLACED;
2484 dev->ovbuf.fmt.width = dev->width;
2485 dev->ovbuf.fmt.height = dev->height;
2486 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2487 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2488
2489 if (saa7134_boards[dev->board].video_out)
2490 saa7134_videoport_init(dev);
2491
2492 return 0;
2493}
2494
2495int saa7134_videoport_init(struct saa7134_dev *dev)
2496{
2497
2498 int vo = saa7134_boards[dev->board].video_out;
2499 int video_reg;
2500 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2501
2502
2503 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2504 video_reg = video_out[vo][1];
2505 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2506 video_reg &= ~VP_T_CODE_P_INVERTED;
2507 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2508 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2509 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2510 video_reg = video_out[vo][5];
2511 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2512 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2513 if (vid_port_opts & SET_CLOCK_INVERTED)
2514 video_reg |= VP_CLK_CTRL1_INVERTED;
2515 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2516 video_reg = video_out[vo][6];
2517 if (vid_port_opts & SET_VSYNC_OFF) {
2518 video_reg &= ~VP_VS_TYPE_MASK;
2519 video_reg |= VP_VS_TYPE_OFF;
2520 }
2521 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2522 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2523 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2524
2525
2526 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2527
2528 return 0;
2529}
2530
2531int saa7134_video_init2(struct saa7134_dev *dev)
2532{
2533
2534 set_tvnorm(dev,&tvnorms[0]);
2535 video_mux(dev,0);
2536 saa7134_tvaudio_setmute(dev);
2537 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2538 return 0;
2539}
2540
2541void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2542{
2543 static const char *st[] = {
2544 "(no signal)", "NTSC", "PAL", "SECAM" };
2545 u32 st1,st2;
2546
2547 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2548 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2549 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2550 (st1 & 0x40) ? "not locked" : "locked",
2551 (st2 & 0x40) ? "no" : "yes",
2552 st[st1 & 0x03]);
2553 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2554
2555 if (dev->nosignal) {
2556
2557 if (dev->ctl_automute)
2558 dev->automute = 1;
2559 saa7134_tvaudio_setmute(dev);
2560 } else {
2561
2562 saa7134_tvaudio_do_scan(dev);
2563 }
2564
2565 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2566 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2567 else
2568 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2569
2570 if (dev->mops && dev->mops->signal_change)
2571 dev->mops->signal_change(dev);
2572}
2573
2574
2575void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2576{
2577 enum v4l2_field field;
2578
2579 spin_lock(&dev->slock);
2580 if (dev->video_q.curr) {
2581 dev->video_fieldcount++;
2582 field = dev->video_q.curr->vb.field;
2583 if (V4L2_FIELD_HAS_BOTH(field)) {
2584
2585 if ((status & 0x10) == 0x00) {
2586 dev->video_q.curr->top_seen = 1;
2587 goto done;
2588 }
2589 if (!dev->video_q.curr->top_seen)
2590 goto done;
2591 } else if (field == V4L2_FIELD_TOP) {
2592 if ((status & 0x10) != 0x10)
2593 goto done;
2594 } else if (field == V4L2_FIELD_BOTTOM) {
2595 if ((status & 0x10) != 0x00)
2596 goto done;
2597 }
2598 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2599 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2600 }
2601 saa7134_buffer_next(dev,&dev->video_q);
2602
2603 done:
2604 spin_unlock(&dev->slock);
2605}
2606
2607
2608
2609
2610
2611
2612
2613
