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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)
829{
830 enum v4l2_field field;
831 int maxw, maxh;
832
833 if (NULL == dev->ovbuf.base)
834 return -EINVAL;
835 if (NULL == dev->ovfmt)
836 return -EINVAL;
837 if (win->w.width < 48 || win->w.height < 32)
838 return -EINVAL;
839 if (win->clipcount > 2048)
840 return -EINVAL;
841
842 field = win->field;
843 maxw = dev->crop_current.width;
844 maxh = dev->crop_current.height;
845
846 if (V4L2_FIELD_ANY == field) {
847 field = (win->w.height > maxh/2)
848 ? V4L2_FIELD_INTERLACED
849 : V4L2_FIELD_TOP;
850 }
851 switch (field) {
852 case V4L2_FIELD_TOP:
853 case V4L2_FIELD_BOTTOM:
854 maxh = maxh / 2;
855 break;
856 case V4L2_FIELD_INTERLACED:
857 break;
858 default:
859 return -EINVAL;
860 }
861
862 win->field = field;
863 if (win->w.width > maxw)
864 win->w.width = maxw;
865 if (win->w.height > maxh)
866 win->w.height = maxh;
867 return 0;
868}
869
870static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
871{
872 unsigned long base,control,bpl;
873 int err;
874
875 err = verify_preview(dev,&fh->win);
876 if (0 != err)
877 return err;
878
879 dev->ovfield = fh->win.field;
880 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
881 fh->win.w.width,fh->win.w.height,
882 fh->win.w.left,fh->win.w.top,
883 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
884
885
886 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
887 V4L2_FIELD_HAS_BOTH(dev->ovfield));
888 setup_clipping(dev,fh->clips,fh->nclips,
889 V4L2_FIELD_HAS_BOTH(dev->ovfield));
890 if (dev->ovfmt->yuv)
891 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
892 else
893 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
894 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
895
896
897 base = (unsigned long)dev->ovbuf.base;
898 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
899 base += dev->ovfmt->depth/8 * fh->win.w.left;
900 bpl = dev->ovbuf.fmt.bytesperline;
901 control = SAA7134_RS_CONTROL_BURST_16;
902 if (dev->ovfmt->bswap)
903 control |= SAA7134_RS_CONTROL_BSWAP;
904 if (dev->ovfmt->wswap)
905 control |= SAA7134_RS_CONTROL_WSWAP;
906 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
907 saa_writel(SAA7134_RS_BA1(1),base);
908 saa_writel(SAA7134_RS_BA2(1),base+bpl);
909 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
910 saa_writel(SAA7134_RS_CONTROL(1),control);
911 } else {
912 saa_writel(SAA7134_RS_BA1(1),base);
913 saa_writel(SAA7134_RS_BA2(1),base);
914 saa_writel(SAA7134_RS_PITCH(1),bpl);
915 saa_writel(SAA7134_RS_CONTROL(1),control);
916 }
917
918
919 dev->ovenable = 1;
920 saa7134_set_dmabits(dev);
921
922 return 0;
923}
924
925static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
926{
927 dev->ovenable = 0;
928 saa7134_set_dmabits(dev);
929 return 0;
930}
931
932
933
934static int buffer_activate(struct saa7134_dev *dev,
935 struct saa7134_buf *buf,
936 struct saa7134_buf *next)
937{
938 unsigned long base,control,bpl;
939 unsigned long bpl_uv,lines_uv,base2,base3,tmp;
940
941 dprintk("buffer_activate buf=%p\n",buf);
942 buf->vb.state = VIDEOBUF_ACTIVE;
943 buf->top_seen = 0;
944
945 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
946 V4L2_FIELD_HAS_BOTH(buf->vb.field));
947 if (buf->fmt->yuv)
948 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
949 else
950 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
951 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
952
953
954 base = saa7134_buffer_base(buf);
955 if (buf->fmt->planar)
956 bpl = buf->vb.width;
957 else
958 bpl = (buf->vb.width * buf->fmt->depth) / 8;
959 control = SAA7134_RS_CONTROL_BURST_16 |
960 SAA7134_RS_CONTROL_ME |
961 (buf->pt->dma >> 12);
962 if (buf->fmt->bswap)
963 control |= SAA7134_RS_CONTROL_BSWAP;
964 if (buf->fmt->wswap)
965 control |= SAA7134_RS_CONTROL_WSWAP;
966 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
967
968 saa_writel(SAA7134_RS_BA1(0),base);
969 saa_writel(SAA7134_RS_BA2(0),base+bpl);
970 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
971 } else {
972
973 saa_writel(SAA7134_RS_BA1(0),base);
974 saa_writel(SAA7134_RS_BA2(0),base);
975 saa_writel(SAA7134_RS_PITCH(0),bpl);
976 }
977 saa_writel(SAA7134_RS_CONTROL(0),control);
978
979 if (buf->fmt->planar) {
980
981 bpl_uv = bpl >> buf->fmt->hshift;
982 lines_uv = buf->vb.height >> buf->fmt->vshift;
983 base2 = base + bpl * buf->vb.height;
984 base3 = base2 + bpl_uv * lines_uv;
985 if (buf->fmt->uvswap)
986 tmp = base2, base2 = base3, base3 = tmp;
987 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
988 bpl_uv,lines_uv,base2,base3);
989 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
990
991 saa_writel(SAA7134_RS_BA1(4),base2);
992 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
993 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
994 saa_writel(SAA7134_RS_BA1(5),base3);
995 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
996 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
997 } else {
998
999 saa_writel(SAA7134_RS_BA1(4),base2);
1000 saa_writel(SAA7134_RS_BA2(4),base2);
1001 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1002 saa_writel(SAA7134_RS_BA1(5),base3);
1003 saa_writel(SAA7134_RS_BA2(5),base3);
1004 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1005 }
1006 saa_writel(SAA7134_RS_CONTROL(4),control);
1007 saa_writel(SAA7134_RS_CONTROL(5),control);
1008 }
1009
1010
1011 saa7134_set_dmabits(dev);
1012 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1013 return 0;
1014}
1015
1016static int buffer_prepare(struct videobuf_queue *q,
1017 struct videobuf_buffer *vb,
1018 enum v4l2_field field)
1019{
1020 struct saa7134_fh *fh = q->priv_data;
1021 struct saa7134_dev *dev = fh->dev;
1022 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1023 unsigned int size;
1024 int err;
1025
1026
1027 if (NULL == fh->fmt)
1028 return -EINVAL;
1029 if (fh->width < 48 ||
1030 fh->height < 32 ||
1031 fh->width/4 > dev->crop_current.width ||
1032 fh->height/4 > dev->crop_current.height ||
1033 fh->width > dev->crop_bounds.width ||
1034 fh->height > dev->crop_bounds.height)
1035 return -EINVAL;
1036 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1037 if (0 != buf->vb.baddr && buf->vb.bsize < size)
1038 return -EINVAL;
1039
1040 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1041 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1042 fh->fmt->name);
1043 if (buf->vb.width != fh->width ||
1044 buf->vb.height != fh->height ||
1045 buf->vb.size != size ||
1046 buf->vb.field != field ||
1047 buf->fmt != fh->fmt) {
1048 saa7134_dma_free(q,buf);
1049 }
1050
1051 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1052 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1053
1054 buf->vb.width = fh->width;
1055 buf->vb.height = fh->height;
1056 buf->vb.size = size;
1057 buf->vb.field = field;
1058 buf->fmt = fh->fmt;
1059 buf->pt = &fh->pt_cap;
1060 dev->video_q.curr = NULL;
1061
1062 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1063 if (err)
1064 goto oops;
1065 err = saa7134_pgtable_build(dev->pci,buf->pt,
1066 dma->sglist,
1067 dma->sglen,
1068 saa7134_buffer_startpage(buf));
1069 if (err)
1070 goto oops;
1071 }
1072 buf->vb.state = VIDEOBUF_PREPARED;
1073 buf->activate = buffer_activate;
1074 return 0;
1075
1076 oops:
1077 saa7134_dma_free(q,buf);
1078 return err;
1079}
1080
1081static int
1082buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1083{
1084 struct saa7134_fh *fh = q->priv_data;
1085
1086 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1087 if (0 == *count)
1088 *count = gbuffers;
1089 *count = saa7134_buffer_count(*size,*count);
1090 return 0;
1091}
1092
1093static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1094{
1095 struct saa7134_fh *fh = q->priv_data;
1096 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1097
1098 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1099}
1100
1101static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1102{
1103 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1104
1105 saa7134_dma_free(q,buf);
1106}
1107
1108static struct videobuf_queue_ops video_qops = {
1109 .buf_setup = buffer_setup,
1110 .buf_prepare = buffer_prepare,
1111 .buf_queue = buffer_queue,
1112 .buf_release = buffer_release,
1113};
1114
1115
1116
1117int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1118{
1119 const struct v4l2_queryctrl* ctrl;
1120
1121 ctrl = ctrl_by_id(c->id);
1122 if (NULL == ctrl)
1123 return -EINVAL;
1124 switch (c->id) {
1125 case V4L2_CID_BRIGHTNESS:
1126 c->value = dev->ctl_bright;
1127 break;
1128 case V4L2_CID_HUE:
1129 c->value = dev->ctl_hue;
1130 break;
1131 case V4L2_CID_CONTRAST:
1132 c->value = dev->ctl_contrast;
1133 break;
1134 case V4L2_CID_SATURATION:
1135 c->value = dev->ctl_saturation;
1136 break;
1137 case V4L2_CID_AUDIO_MUTE:
1138 c->value = dev->ctl_mute;
1139 break;
1140 case V4L2_CID_AUDIO_VOLUME:
1141 c->value = dev->ctl_volume;
1142 break;
1143 case V4L2_CID_PRIVATE_INVERT:
1144 c->value = dev->ctl_invert;
1145 break;
1146 case V4L2_CID_HFLIP:
1147 c->value = dev->ctl_mirror;
1148 break;
1149 case V4L2_CID_PRIVATE_Y_EVEN:
1150 c->value = dev->ctl_y_even;
1151 break;
1152 case V4L2_CID_PRIVATE_Y_ODD:
1153 c->value = dev->ctl_y_odd;
1154 break;
1155 case V4L2_CID_PRIVATE_AUTOMUTE:
1156 c->value = dev->ctl_automute;
1157 break;
1158 default:
1159 return -EINVAL;
1160 }
1161 return 0;
1162}
1163EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal);
1164
1165static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c)
1166{
1167 struct saa7134_fh *fh = priv;
1168
1169 return saa7134_g_ctrl_internal(fh->dev, fh, c);
1170}
1171
1172int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1173{
1174 const struct v4l2_queryctrl* ctrl;
1175 unsigned long flags;
1176 int restart_overlay = 0;
1177 int err;
1178
1179
1180
1181
1182 if (fh) {
1183 err = v4l2_prio_check(&dev->prio, fh->prio);
1184 if (0 != err)
1185 return err;
1186 }
1187 err = -EINVAL;
1188
1189 mutex_lock(&dev->lock);
1190
1191 ctrl = ctrl_by_id(c->id);
1192 if (NULL == ctrl)
1193 goto error;
1194
1195 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1196 switch (ctrl->type) {
1197 case V4L2_CTRL_TYPE_BOOLEAN:
1198 case V4L2_CTRL_TYPE_MENU:
1199 case V4L2_CTRL_TYPE_INTEGER:
1200 if (c->value < ctrl->minimum)
1201 c->value = ctrl->minimum;
1202 if (c->value > ctrl->maximum)
1203 c->value = ctrl->maximum;
1204 break;
1205 default:
1206 ;
1207 };
1208 switch (c->id) {
1209 case V4L2_CID_BRIGHTNESS:
1210 dev->ctl_bright = c->value;
1211 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1212 break;
1213 case V4L2_CID_HUE:
1214 dev->ctl_hue = c->value;
1215 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1216 break;
1217 case V4L2_CID_CONTRAST:
1218 dev->ctl_contrast = c->value;
1219 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1220 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1221 break;
1222 case V4L2_CID_SATURATION:
1223 dev->ctl_saturation = c->value;
1224 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1225 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1226 break;
1227 case V4L2_CID_AUDIO_MUTE:
1228 dev->ctl_mute = c->value;
1229 saa7134_tvaudio_setmute(dev);
1230 break;
1231 case V4L2_CID_AUDIO_VOLUME:
1232 dev->ctl_volume = c->value;
1233 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1234 break;
1235 case V4L2_CID_PRIVATE_INVERT:
1236 dev->ctl_invert = c->value;
1237 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1238 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1239 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1240 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1241 break;
1242 case V4L2_CID_HFLIP:
1243 dev->ctl_mirror = c->value;
1244 restart_overlay = 1;
1245 break;
1246 case V4L2_CID_PRIVATE_Y_EVEN:
1247 dev->ctl_y_even = c->value;
1248 restart_overlay = 1;
1249 break;
1250 case V4L2_CID_PRIVATE_Y_ODD:
1251 dev->ctl_y_odd = c->value;
1252 restart_overlay = 1;
1253 break;
1254 case V4L2_CID_PRIVATE_AUTOMUTE:
1255 {
1256 struct v4l2_priv_tun_config tda9887_cfg;
1257
1258 tda9887_cfg.tuner = TUNER_TDA9887;
1259 tda9887_cfg.priv = &dev->tda9887_conf;
1260
1261 dev->ctl_automute = c->value;
1262 if (dev->tda9887_conf) {
1263 if (dev->ctl_automute)
1264 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1265 else
1266 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1267
1268 saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1269 }
1270 break;
1271 }
1272 default:
1273 goto error;
1274 }
1275 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1276 spin_lock_irqsave(&dev->slock,flags);
1277 stop_preview(dev,fh);
1278 start_preview(dev,fh);
1279 spin_unlock_irqrestore(&dev->slock,flags);
1280 }
1281 err = 0;
1282
1283error:
1284 mutex_unlock(&dev->lock);
1285 return err;
1286}
1287EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal);
1288
1289static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c)
1290{
1291 struct saa7134_fh *fh = f;
1292
1293 return saa7134_s_ctrl_internal(fh->dev, fh, c);
1294}
1295
1296
1297
1298static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1299{
1300 struct videobuf_queue* q = NULL;
1301
1302 switch (fh->type) {
1303 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1304 q = &fh->cap;
1305 break;
1306 case V4L2_BUF_TYPE_VBI_CAPTURE:
1307 q = &fh->vbi;
1308 break;
1309 default:
1310 BUG();
1311 }
1312 return q;
1313}
1314
1315static int saa7134_resource(struct saa7134_fh *fh)
1316{
1317 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1318 return RESOURCE_VIDEO;
1319
1320 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1321 return RESOURCE_VBI;
1322
1323 BUG();
1324 return 0;
1325}
1326
1327static int video_open(struct file *file)
1328{
1329 struct video_device *vdev = video_devdata(file);
1330 struct saa7134_dev *dev = video_drvdata(file);
1331 struct saa7134_fh *fh;
1332 enum v4l2_buf_type type = 0;
1333 int radio = 0;
1334
1335 switch (vdev->vfl_type) {
1336 case VFL_TYPE_GRABBER:
1337 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1338 break;
1339 case VFL_TYPE_VBI:
1340 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1341 break;
1342 case VFL_TYPE_RADIO:
1343 radio = 1;
1344 break;
1345 }
1346
1347 dprintk("open dev=%s radio=%d type=%s\n", video_device_node_name(vdev),
1348 radio, v4l2_type_names[type]);
1349
1350
1351 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1352 if (NULL == fh)
1353 return -ENOMEM;
1354
1355 file->private_data = fh;
1356 fh->dev = dev;
1357 fh->radio = radio;
1358 fh->type = type;
1359 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1360 fh->width = 720;
1361 fh->height = 576;
1362 v4l2_prio_open(&dev->prio, &fh->prio);
1363
1364 videobuf_queue_sg_init(&fh->cap, &video_qops,
1365 &dev->pci->dev, &dev->slock,
1366 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1367 V4L2_FIELD_INTERLACED,
1368 sizeof(struct saa7134_buf),
1369 fh, NULL);
1370 videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops,
1371 &dev->pci->dev, &dev->slock,
1372 V4L2_BUF_TYPE_VBI_CAPTURE,
1373 V4L2_FIELD_SEQ_TB,
1374 sizeof(struct saa7134_buf),
1375 fh, NULL);
1376 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1377 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1378
1379 if (fh->radio) {
1380
1381 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1382 saa_call_all(dev, tuner, s_radio);
1383 } else {
1384
1385 video_mux(dev,dev->ctl_input);
1386 }
1387 return 0;
1388}
1389
1390static ssize_t
1391video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1392{
1393 struct saa7134_fh *fh = file->private_data;
1394
1395 switch (fh->type) {
1396 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1397 if (res_locked(fh->dev,RESOURCE_VIDEO))
1398 return -EBUSY;
1399 return videobuf_read_one(saa7134_queue(fh),
1400 data, count, ppos,
1401 file->f_flags & O_NONBLOCK);
1402 case V4L2_BUF_TYPE_VBI_CAPTURE:
1403 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1404 return -EBUSY;
1405 return videobuf_read_stream(saa7134_queue(fh),
1406 data, count, ppos, 1,
1407 file->f_flags & O_NONBLOCK);
1408 break;
1409 default:
1410 BUG();
1411 return 0;
1412 }
1413}
1414
1415static unsigned int
1416video_poll(struct file *file, struct poll_table_struct *wait)
1417{
1418 struct saa7134_fh *fh = file->private_data;
1419 struct videobuf_buffer *buf = NULL;
1420 unsigned int rc = 0;
1421
1422 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1423 return videobuf_poll_stream(file, &fh->vbi, wait);
1424
1425 if (res_check(fh,RESOURCE_VIDEO)) {
1426 mutex_lock(&fh->cap.vb_lock);
1427 if (!list_empty(&fh->cap.stream))
1428 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1429 } else {
1430 mutex_lock(&fh->cap.vb_lock);
1431 if (UNSET == fh->cap.read_off) {
1432
1433 if (res_locked(fh->dev,RESOURCE_VIDEO))
1434 goto err;
1435 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field))
1436 goto err;
1437 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1438 fh->cap.read_off = 0;
1439 }
1440 buf = fh->cap.read_buf;
1441 }
1442
1443 if (!buf)
1444 goto err;
1445
1446 poll_wait(file, &buf->done, wait);
1447 if (buf->state == VIDEOBUF_DONE ||
1448 buf->state == VIDEOBUF_ERROR)
1449 rc = POLLIN|POLLRDNORM;
1450 mutex_unlock(&fh->cap.vb_lock);
1451 return rc;
1452
1453err:
1454 mutex_unlock(&fh->cap.vb_lock);
1455 return POLLERR;
1456}
1457
1458static int video_release(struct file *file)
1459{
1460 struct saa7134_fh *fh = file->private_data;
1461 struct saa7134_dev *dev = fh->dev;
1462 struct saa6588_command cmd;
1463 unsigned long flags;
1464
1465 saa7134_tvaudio_close(dev);
1466
1467
1468 if (res_check(fh, RESOURCE_OVERLAY)) {
1469 spin_lock_irqsave(&dev->slock,flags);
1470 stop_preview(dev,fh);
1471 spin_unlock_irqrestore(&dev->slock,flags);
1472 res_free(dev,fh,RESOURCE_OVERLAY);
1473 }
1474
1475
1476 if (res_check(fh, RESOURCE_VIDEO)) {
1477 videobuf_streamoff(&fh->cap);
1478 res_free(dev,fh,RESOURCE_VIDEO);
1479 }
1480 if (fh->cap.read_buf) {
1481 buffer_release(&fh->cap,fh->cap.read_buf);
1482 kfree(fh->cap.read_buf);
1483 }
1484
1485
1486 if (res_check(fh, RESOURCE_VBI)) {
1487 videobuf_stop(&fh->vbi);
1488 res_free(dev,fh,RESOURCE_VBI);
1489 }
1490
1491
1492 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1493 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1494 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1495 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1496
1497 saa_call_all(dev, core, s_power, 0);
1498 if (fh->radio)
1499 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1500
1501
1502 videobuf_mmap_free(&fh->cap);
1503 videobuf_mmap_free(&fh->vbi);
1504 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1505 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1506
1507 v4l2_prio_close(&dev->prio, fh->prio);
1508 file->private_data = NULL;
1509 kfree(fh);
1510 return 0;
1511}
1512
1513static int video_mmap(struct file *file, struct vm_area_struct * vma)
1514{
1515 struct saa7134_fh *fh = file->private_data;
1516
1517 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1518}
1519
1520static ssize_t radio_read(struct file *file, char __user *data,
1521 size_t count, loff_t *ppos)
1522{
1523 struct saa7134_fh *fh = file->private_data;
1524 struct saa7134_dev *dev = fh->dev;
1525 struct saa6588_command cmd;
1526
1527 cmd.block_count = count/3;
1528 cmd.buffer = data;
1529 cmd.instance = file;
1530 cmd.result = -ENODEV;
1531
1532 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1533
1534 return cmd.result;
1535}
1536
1537static unsigned int radio_poll(struct file *file, poll_table *wait)
1538{
1539 struct saa7134_fh *fh = file->private_data;
1540 struct saa7134_dev *dev = fh->dev;
1541 struct saa6588_command cmd;
1542
1543 cmd.instance = file;
1544 cmd.event_list = wait;
1545 cmd.result = -ENODEV;
1546 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1547
1548 return cmd.result;
1549}
1550
1551
1552
1553static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1554 struct v4l2_format *f)
1555{
1556 struct saa7134_fh *fh = priv;
1557 struct saa7134_dev *dev = fh->dev;
1558 struct saa7134_tvnorm *norm = dev->tvnorm;
1559
1560 f->fmt.vbi.sampling_rate = 6750000 * 4;
1561 f->fmt.vbi.samples_per_line = 2048 ;
1562 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1563 f->fmt.vbi.offset = 64 * 4;
1564 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1565 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1566 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1567 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1568 f->fmt.vbi.flags = 0;
1569
1570 return 0;
1571}
1572
1573static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1574 struct v4l2_format *f)
1575{
1576 struct saa7134_fh *fh = priv;
1577
1578 f->fmt.pix.width = fh->width;
1579 f->fmt.pix.height = fh->height;
1580 f->fmt.pix.field = fh->cap.field;
1581 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1582 f->fmt.pix.bytesperline =
1583 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1584 f->fmt.pix.sizeimage =
1585 f->fmt.pix.height * f->fmt.pix.bytesperline;
1586 return 0;
1587}
1588
1589static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1590 struct v4l2_format *f)
1591{
1592 struct saa7134_fh *fh = priv;
1593
1594 if (saa7134_no_overlay > 0) {
1595 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1596 return -EINVAL;
1597 }
1598 f->fmt.win = fh->win;
1599
1600 return 0;
1601}
1602
1603static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1604 struct v4l2_format *f)
1605{
1606 struct saa7134_fh *fh = priv;
1607 struct saa7134_dev *dev = fh->dev;
1608 struct saa7134_format *fmt;
1609 enum v4l2_field field;
1610 unsigned int maxw, maxh;
1611
1612 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1613 if (NULL == fmt)
1614 return -EINVAL;
1615
1616 field = f->fmt.pix.field;
1617 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1618 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1619
1620 if (V4L2_FIELD_ANY == field) {
1621 field = (f->fmt.pix.height > maxh/2)
1622 ? V4L2_FIELD_INTERLACED
1623 : V4L2_FIELD_BOTTOM;
1624 }
1625 switch (field) {
1626 case V4L2_FIELD_TOP:
1627 case V4L2_FIELD_BOTTOM:
1628 maxh = maxh / 2;
1629 break;
1630 case V4L2_FIELD_INTERLACED:
1631 break;
1632 default:
1633 return -EINVAL;
1634 }
1635
1636 f->fmt.pix.field = field;
1637 if (f->fmt.pix.width < 48)
1638 f->fmt.pix.width = 48;
1639 if (f->fmt.pix.height < 32)
1640 f->fmt.pix.height = 32;
1641 if (f->fmt.pix.width > maxw)
1642 f->fmt.pix.width = maxw;
1643 if (f->fmt.pix.height > maxh)
1644 f->fmt.pix.height = maxh;
1645 f->fmt.pix.width &= ~0x03;
1646 f->fmt.pix.bytesperline =
1647 (f->fmt.pix.width * fmt->depth) >> 3;
1648 f->fmt.pix.sizeimage =
1649 f->fmt.pix.height * f->fmt.pix.bytesperline;
1650
1651 return 0;
1652}
1653
1654static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1655 struct v4l2_format *f)
1656{
1657 struct saa7134_fh *fh = priv;
1658 struct saa7134_dev *dev = fh->dev;
1659
1660 if (saa7134_no_overlay > 0) {
1661 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1662 return -EINVAL;
1663 }
1664
1665 return verify_preview(dev, &f->fmt.win);
1666}
1667
1668static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1669 struct v4l2_format *f)
1670{
1671 struct saa7134_fh *fh = priv;
1672 int err;
1673
1674 err = saa7134_try_fmt_vid_cap(file, priv, f);
1675 if (0 != err)
1676 return err;
1677
1678 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1679 fh->width = f->fmt.pix.width;
1680 fh->height = f->fmt.pix.height;
1681 fh->cap.field = f->fmt.pix.field;
1682 return 0;
1683}
1684
1685static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1686 struct v4l2_format *f)
1687{
1688 struct saa7134_fh *fh = priv;
1689 struct saa7134_dev *dev = fh->dev;
1690 int err;
1691 unsigned long flags;
1692
1693 if (saa7134_no_overlay > 0) {
1694 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1695 return -EINVAL;
1696 }
1697 err = verify_preview(dev, &f->fmt.win);
1698 if (0 != err)
1699 return err;
1700
1701 mutex_lock(&dev->lock);
1702
1703 fh->win = f->fmt.win;
1704 fh->nclips = f->fmt.win.clipcount;
1705
1706 if (fh->nclips > 8)
1707 fh->nclips = 8;
1708
1709 if (copy_from_user(fh->clips, f->fmt.win.clips,
1710 sizeof(struct v4l2_clip)*fh->nclips)) {
1711 mutex_unlock(&dev->lock);
1712 return -EFAULT;
1713 }
1714
1715 if (res_check(fh, RESOURCE_OVERLAY)) {
1716 spin_lock_irqsave(&dev->slock, flags);
1717 stop_preview(dev, fh);
1718 start_preview(dev, fh);
1719 spin_unlock_irqrestore(&dev->slock, flags);
1720 }
1721
1722 mutex_unlock(&dev->lock);
1723 return 0;
1724}
1725
1726int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c)
1727{
1728 const struct v4l2_queryctrl *ctrl;
1729
1730 if ((c->id < V4L2_CID_BASE ||
1731 c->id >= V4L2_CID_LASTP1) &&
1732 (c->id < V4L2_CID_PRIVATE_BASE ||
1733 c->id >= V4L2_CID_PRIVATE_LASTP1))
1734 return -EINVAL;
1735 ctrl = ctrl_by_id(c->id);
1736 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1737 return 0;
1738}
1739EXPORT_SYMBOL_GPL(saa7134_queryctrl);
1740
1741static int saa7134_enum_input(struct file *file, void *priv,
1742 struct v4l2_input *i)
1743{
1744 struct saa7134_fh *fh = priv;
1745 struct saa7134_dev *dev = fh->dev;
1746 unsigned int n;
1747
1748 n = i->index;
1749 if (n >= SAA7134_INPUT_MAX)
1750 return -EINVAL;
1751 if (NULL == card_in(dev, i->index).name)
1752 return -EINVAL;
1753 i->index = n;
1754 i->type = V4L2_INPUT_TYPE_CAMERA;
1755 strcpy(i->name, card_in(dev, n).name);
1756 if (card_in(dev, n).tv)
1757 i->type = V4L2_INPUT_TYPE_TUNER;
1758 i->audioset = 1;
1759 if (n == dev->ctl_input) {
1760 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1761 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1762
1763 if (0 != (v1 & 0x40))
1764 i->status |= V4L2_IN_ST_NO_H_LOCK;
1765 if (0 != (v2 & 0x40))
1766 i->status |= V4L2_IN_ST_NO_SYNC;
1767 if (0 != (v2 & 0x0e))
1768 i->status |= V4L2_IN_ST_MACROVISION;
1769 }
1770 i->std = SAA7134_NORMS;
1771 return 0;
1772}
1773
1774static int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1775{
1776 struct saa7134_fh *fh = priv;
1777 struct saa7134_dev *dev = fh->dev;
1778
1779 *i = dev->ctl_input;
1780 return 0;
1781}
1782
1783static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1784{
1785 struct saa7134_fh *fh = priv;
1786 struct saa7134_dev *dev = fh->dev;
1787 int err;
1788
1789 err = v4l2_prio_check(&dev->prio, fh->prio);
1790 if (0 != err)
1791 return err;
1792
1793 if (i >= SAA7134_INPUT_MAX)
1794 return -EINVAL;
1795 if (NULL == card_in(dev, i).name)
1796 return -EINVAL;
1797 mutex_lock(&dev->lock);
1798 video_mux(dev, i);
1799 mutex_unlock(&dev->lock);
1800 return 0;
1801}
1802
1803static int saa7134_querycap(struct file *file, void *priv,
1804 struct v4l2_capability *cap)
1805{
1806 struct saa7134_fh *fh = priv;
1807 struct saa7134_dev *dev = fh->dev;
1808
1809 unsigned int tuner_type = dev->tuner_type;
1810
1811 strcpy(cap->driver, "saa7134");
1812 strlcpy(cap->card, saa7134_boards[dev->board].name,
1813 sizeof(cap->card));
1814 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1815 cap->capabilities =
1816 V4L2_CAP_VIDEO_CAPTURE |
1817 V4L2_CAP_VBI_CAPTURE |
1818 V4L2_CAP_READWRITE |
1819 V4L2_CAP_STREAMING |
1820 V4L2_CAP_TUNER;
1821 if (dev->has_rds)
1822 cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
1823 if (saa7134_no_overlay <= 0)
1824 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1825
1826 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1827 cap->capabilities &= ~V4L2_CAP_TUNER;
1828 return 0;
1829}
1830
1831int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id *id)
1832{
1833 unsigned long flags;
1834 unsigned int i;
1835 v4l2_std_id fixup;
1836 int err;
1837
1838
1839
1840
1841 if (fh) {
1842 err = v4l2_prio_check(&dev->prio, fh->prio);
1843 if (0 != err)
1844 return err;
1845 } else if (res_locked(dev, RESOURCE_OVERLAY)) {
1846
1847
1848 return -EBUSY;
1849 }
1850
1851 for (i = 0; i < TVNORMS; i++)
1852 if (*id == tvnorms[i].id)
1853 break;
1854
1855 if (i == TVNORMS)
1856 for (i = 0; i < TVNORMS; i++)
1857 if (*id & tvnorms[i].id)
1858 break;
1859 if (i == TVNORMS)
1860 return -EINVAL;
1861
1862 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1863 if (secam[0] == 'L' || secam[0] == 'l') {
1864 if (secam[1] == 'C' || secam[1] == 'c')
1865 fixup = V4L2_STD_SECAM_LC;
1866 else
1867 fixup = V4L2_STD_SECAM_L;
1868 } else {
1869 if (secam[0] == 'D' || secam[0] == 'd')
1870 fixup = V4L2_STD_SECAM_DK;
1871 else
1872 fixup = V4L2_STD_SECAM;
1873 }
1874 for (i = 0; i < TVNORMS; i++) {
1875 if (fixup == tvnorms[i].id)
1876 break;
1877 }
1878 if (i == TVNORMS)
1879 return -EINVAL;
1880 }
1881
1882 *id = tvnorms[i].id;
1883
1884 mutex_lock(&dev->lock);
1885 if (fh && res_check(fh, RESOURCE_OVERLAY)) {
1886 spin_lock_irqsave(&dev->slock, flags);
1887 stop_preview(dev, fh);
1888 spin_unlock_irqrestore(&dev->slock, flags);
1889
1890 set_tvnorm(dev, &tvnorms[i]);
1891
1892 spin_lock_irqsave(&dev->slock, flags);
1893 start_preview(dev, fh);
1894 spin_unlock_irqrestore(&dev->slock, flags);
1895 } else
1896 set_tvnorm(dev, &tvnorms[i]);
1897
1898 saa7134_tvaudio_do_scan(dev);
1899 mutex_unlock(&dev->lock);
1900 return 0;
1901}
1902EXPORT_SYMBOL_GPL(saa7134_s_std_internal);
1903
1904static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id)
1905{
1906 struct saa7134_fh *fh = priv;
1907
1908 return saa7134_s_std_internal(fh->dev, fh, id);
1909}
1910
1911static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1912{
1913 struct saa7134_fh *fh = priv;
1914 struct saa7134_dev *dev = fh->dev;
1915
1916 *id = dev->tvnorm->id;
1917 return 0;
1918}
1919
1920static int saa7134_cropcap(struct file *file, void *priv,
1921 struct v4l2_cropcap *cap)
1922{
1923 struct saa7134_fh *fh = priv;
1924 struct saa7134_dev *dev = fh->dev;
1925
1926 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1927 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1928 return -EINVAL;
1929 cap->bounds = dev->crop_bounds;
1930 cap->defrect = dev->crop_defrect;
1931 cap->pixelaspect.numerator = 1;
1932 cap->pixelaspect.denominator = 1;
1933 if (dev->tvnorm->id & V4L2_STD_525_60) {
1934 cap->pixelaspect.numerator = 11;
1935 cap->pixelaspect.denominator = 10;
1936 }
1937 if (dev->tvnorm->id & V4L2_STD_625_50) {
1938 cap->pixelaspect.numerator = 54;
1939 cap->pixelaspect.denominator = 59;
1940 }
1941 return 0;
1942}
1943
1944static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1945{
1946 struct saa7134_fh *fh = f;
1947 struct saa7134_dev *dev = fh->dev;
1948
1949 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1950 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1951 return -EINVAL;
1952 crop->c = dev->crop_current;
1953 return 0;
1954}
1955
1956static int saa7134_s_crop(struct file *file, void *f, struct v4l2_crop *crop)
1957{
1958 struct saa7134_fh *fh = f;
1959 struct saa7134_dev *dev = fh->dev;
1960 struct v4l2_rect *b = &dev->crop_bounds;
1961
1962 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1963 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1964 return -EINVAL;
1965 if (crop->c.height < 0)
1966 return -EINVAL;
1967 if (crop->c.width < 0)
1968 return -EINVAL;
1969
1970 if (res_locked(fh->dev, RESOURCE_OVERLAY))
1971 return -EBUSY;
1972 if (res_locked(fh->dev, RESOURCE_VIDEO))
1973 return -EBUSY;
1974
1975 if (crop->c.top < b->top)
1976 crop->c.top = b->top;
1977 if (crop->c.top > b->top + b->height)
1978 crop->c.top = b->top + b->height;
1979 if (crop->c.height > b->top - crop->c.top + b->height)
1980 crop->c.height = b->top - crop->c.top + b->height;
1981
1982 if (crop->c.left < b->left)
1983 crop->c.left = b->left;
1984 if (crop->c.left > b->left + b->width)
1985 crop->c.left = b->left + b->width;
1986 if (crop->c.width > b->left - crop->c.left + b->width)
1987 crop->c.width = b->left - crop->c.left + b->width;
1988
1989 dev->crop_current = crop->c;
1990 return 0;
1991}
1992
1993static int saa7134_g_tuner(struct file *file, void *priv,
1994 struct v4l2_tuner *t)
1995{
1996 struct saa7134_fh *fh = priv;
1997 struct saa7134_dev *dev = fh->dev;
1998 int n;
1999
2000 if (0 != t->index)
2001 return -EINVAL;
2002 memset(t, 0, sizeof(*t));
2003 for (n = 0; n < SAA7134_INPUT_MAX; n++) {
2004 if (card_in(dev, n).tv)
2005 break;
2006 }
2007 if (n == SAA7134_INPUT_MAX)
2008 return -EINVAL;
2009 if (NULL != card_in(dev, n).name) {
2010 strcpy(t->name, "Television");
2011 t->type = V4L2_TUNER_ANALOG_TV;
2012 t->capability = V4L2_TUNER_CAP_NORM |
2013 V4L2_TUNER_CAP_STEREO |
2014 V4L2_TUNER_CAP_LANG1 |
2015 V4L2_TUNER_CAP_LANG2;
2016 t->rangehigh = 0xffffffffUL;
2017 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
2018 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
2019 }
2020 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
2021 t->signal = 0xffff;
2022 return 0;
2023}
2024
2025static int saa7134_s_tuner(struct file *file, void *priv,
2026 struct v4l2_tuner *t)
2027{
2028 struct saa7134_fh *fh = priv;
2029 struct saa7134_dev *dev = fh->dev;
2030 int rx, mode, err;
2031
2032 err = v4l2_prio_check(&dev->prio, fh->prio);
2033 if (0 != err)
2034 return err;
2035
2036 mode = dev->thread.mode;
2037 if (UNSET == mode) {
2038 rx = saa7134_tvaudio_getstereo(dev);
2039 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
2040 }
2041 if (mode != t->audmode)
2042 dev->thread.mode = t->audmode;
2043
2044 return 0;
2045}
2046
2047static int saa7134_g_frequency(struct file *file, void *priv,
2048 struct v4l2_frequency *f)
2049{
2050 struct saa7134_fh *fh = priv;
2051 struct saa7134_dev *dev = fh->dev;
2052
2053 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
2054 f->frequency = dev->ctl_freq;
2055
2056 return 0;
2057}
2058
2059static int saa7134_s_frequency(struct file *file, void *priv,
2060 struct v4l2_frequency *f)
2061{
2062 struct saa7134_fh *fh = priv;
2063 struct saa7134_dev *dev = fh->dev;
2064 int err;
2065
2066 err = v4l2_prio_check(&dev->prio, fh->prio);
2067 if (0 != err)
2068 return err;
2069
2070 if (0 != f->tuner)
2071 return -EINVAL;
2072 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
2073 return -EINVAL;
2074 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
2075 return -EINVAL;
2076 mutex_lock(&dev->lock);
2077 dev->ctl_freq = f->frequency;
2078
2079 saa_call_all(dev, tuner, s_frequency, f);
2080
2081 saa7134_tvaudio_do_scan(dev);
2082 mutex_unlock(&dev->lock);
2083 return 0;
2084}
2085
2086static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2087{
2088 strcpy(a->name, "audio");
2089 return 0;
2090}
2091
2092static int saa7134_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
2093{
2094 return 0;
2095}
2096
2097static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p)
2098{
2099 struct saa7134_fh *fh = f;
2100 struct saa7134_dev *dev = fh->dev;
2101
2102 *p = v4l2_prio_max(&dev->prio);
2103 return 0;
2104}
2105
2106static int saa7134_s_priority(struct file *file, void *f,
2107 enum v4l2_priority prio)
2108{
2109 struct saa7134_fh *fh = f;
2110 struct saa7134_dev *dev = fh->dev;
2111
2112 return v4l2_prio_change(&dev->prio, &fh->prio, prio);
2113}
2114
2115static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
2116 struct v4l2_fmtdesc *f)
2117{
2118 if (f->index >= FORMATS)
2119 return -EINVAL;
2120
2121 strlcpy(f->description, formats[f->index].name,
2122 sizeof(f->description));
2123
2124 f->pixelformat = formats[f->index].fourcc;
2125
2126 return 0;
2127}
2128
2129static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
2130 struct v4l2_fmtdesc *f)
2131{
2132 if (saa7134_no_overlay > 0) {
2133 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2134 return -EINVAL;
2135 }
2136
2137 if ((f->index >= FORMATS) || formats[f->index].planar)
2138 return -EINVAL;
2139
2140 strlcpy(f->description, formats[f->index].name,
2141 sizeof(f->description));
2142
2143 f->pixelformat = formats[f->index].fourcc;
2144
2145 return 0;
2146}
2147
2148static int saa7134_g_fbuf(struct file *file, void *f,
2149 struct v4l2_framebuffer *fb)
2150{
2151 struct saa7134_fh *fh = f;
2152 struct saa7134_dev *dev = fh->dev;
2153
2154 *fb = dev->ovbuf;
2155 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2156
2157 return 0;
2158}
2159
2160static int saa7134_s_fbuf(struct file *file, void *f,
2161 struct v4l2_framebuffer *fb)
2162{
2163 struct saa7134_fh *fh = f;
2164 struct saa7134_dev *dev = fh->dev;
2165 struct saa7134_format *fmt;
2166
2167 if (!capable(CAP_SYS_ADMIN) &&
2168 !capable(CAP_SYS_RAWIO))
2169 return -EPERM;
2170
2171
2172 fmt = format_by_fourcc(fb->fmt.pixelformat);
2173 if (NULL == fmt)
2174 return -EINVAL;
2175
2176
2177 dev->ovbuf = *fb;
2178 dev->ovfmt = fmt;
2179 if (0 == dev->ovbuf.fmt.bytesperline)
2180 dev->ovbuf.fmt.bytesperline =
2181 dev->ovbuf.fmt.width*fmt->depth/8;
2182 return 0;
2183}
2184
2185static int saa7134_overlay(struct file *file, void *f, unsigned int on)
2186{
2187 struct saa7134_fh *fh = f;
2188 struct saa7134_dev *dev = fh->dev;
2189 unsigned long flags;
2190
2191 if (on) {
2192 if (saa7134_no_overlay > 0) {
2193 dprintk("no_overlay\n");
2194 return -EINVAL;
2195 }
2196
2197 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2198 return -EBUSY;
2199 spin_lock_irqsave(&dev->slock, flags);
2200 start_preview(dev, fh);
2201 spin_unlock_irqrestore(&dev->slock, flags);
2202 }
2203 if (!on) {
2204 if (!res_check(fh, RESOURCE_OVERLAY))
2205 return -EINVAL;
2206 spin_lock_irqsave(&dev->slock, flags);
2207 stop_preview(dev, fh);
2208 spin_unlock_irqrestore(&dev->slock, flags);
2209 res_free(dev, fh, RESOURCE_OVERLAY);
2210 }
2211 return 0;
2212}
2213
2214static int saa7134_reqbufs(struct file *file, void *priv,
2215 struct v4l2_requestbuffers *p)
2216{
2217 struct saa7134_fh *fh = priv;
2218 return videobuf_reqbufs(saa7134_queue(fh), p);
2219}
2220
2221static int saa7134_querybuf(struct file *file, void *priv,
2222 struct v4l2_buffer *b)
2223{
2224 struct saa7134_fh *fh = priv;
2225 return videobuf_querybuf(saa7134_queue(fh), b);
2226}
2227
2228static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2229{
2230 struct saa7134_fh *fh = priv;
2231 return videobuf_qbuf(saa7134_queue(fh), b);
2232}
2233
2234static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2235{
2236 struct saa7134_fh *fh = priv;
2237 return videobuf_dqbuf(saa7134_queue(fh), b,
2238 file->f_flags & O_NONBLOCK);
2239}
2240
2241static int saa7134_streamon(struct file *file, void *priv,
2242 enum v4l2_buf_type type)
2243{
2244 struct saa7134_fh *fh = priv;
2245 struct saa7134_dev *dev = fh->dev;
2246 int res = saa7134_resource(fh);
2247
2248 if (!res_get(dev, fh, res))
2249 return -EBUSY;
2250
2251 return videobuf_streamon(saa7134_queue(fh));
2252}
2253
2254static int saa7134_streamoff(struct file *file, void *priv,
2255 enum v4l2_buf_type type)
2256{
2257 int err;
2258 struct saa7134_fh *fh = priv;
2259 struct saa7134_dev *dev = fh->dev;
2260 int res = saa7134_resource(fh);
2261
2262 err = videobuf_streamoff(saa7134_queue(fh));
2263 if (err < 0)
2264 return err;
2265 res_free(dev, fh, res);
2266 return 0;
2267}
2268
2269static int saa7134_g_parm(struct file *file, void *fh,
2270 struct v4l2_streamparm *parm)
2271{
2272 return 0;
2273}
2274
2275#ifdef CONFIG_VIDEO_ADV_DEBUG
2276static int vidioc_g_register (struct file *file, void *priv,
2277 struct v4l2_dbg_register *reg)
2278{
2279 struct saa7134_fh *fh = priv;
2280 struct saa7134_dev *dev = fh->dev;
2281
2282 if (!v4l2_chip_match_host(®->match))
2283 return -EINVAL;
2284 reg->val = saa_readb(reg->reg);
2285 reg->size = 1;
2286 return 0;
2287}
2288
2289static int vidioc_s_register (struct file *file, void *priv,
2290 struct v4l2_dbg_register *reg)
2291{
2292 struct saa7134_fh *fh = priv;
2293 struct saa7134_dev *dev = fh->dev;
2294
2295 if (!v4l2_chip_match_host(®->match))
2296 return -EINVAL;
2297 saa_writeb(reg->reg&0xffffff, reg->val);
2298 return 0;
2299}
2300#endif
2301
2302static int radio_querycap(struct file *file, void *priv,
2303 struct v4l2_capability *cap)
2304{
2305 struct saa7134_fh *fh = file->private_data;
2306 struct saa7134_dev *dev = fh->dev;
2307
2308 strcpy(cap->driver, "saa7134");
2309 strlcpy(cap->card, saa7134_boards[dev->board].name, sizeof(cap->card));
2310 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
2311 cap->capabilities = V4L2_CAP_TUNER;
2312 return 0;
2313}
2314
2315static int radio_g_tuner(struct file *file, void *priv,
2316 struct v4l2_tuner *t)
2317{
2318 struct saa7134_fh *fh = file->private_data;
2319 struct saa7134_dev *dev = fh->dev;
2320
2321 if (0 != t->index)
2322 return -EINVAL;
2323
2324 memset(t, 0, sizeof(*t));
2325 strcpy(t->name, "Radio");
2326 t->type = V4L2_TUNER_RADIO;
2327
2328 saa_call_all(dev, tuner, g_tuner, t);
2329 if (dev->input->amux == TV) {
2330 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2331 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2332 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2333 }
2334 return 0;
2335}
2336static int radio_s_tuner(struct file *file, void *priv,
2337 struct v4l2_tuner *t)
2338{
2339 struct saa7134_fh *fh = file->private_data;
2340 struct saa7134_dev *dev = fh->dev;
2341
2342 if (0 != t->index)
2343 return -EINVAL;
2344
2345 saa_call_all(dev, tuner, s_tuner, t);
2346 return 0;
2347}
2348
2349static int radio_enum_input(struct file *file, void *priv,
2350 struct v4l2_input *i)
2351{
2352 if (i->index != 0)
2353 return -EINVAL;
2354
2355 strcpy(i->name, "Radio");
2356 i->type = V4L2_INPUT_TYPE_TUNER;
2357
2358 return 0;
2359}
2360
2361static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2362{
2363 *i = 0;
2364 return 0;
2365}
2366
2367static int radio_g_audio(struct file *file, void *priv,
2368 struct v4l2_audio *a)
2369{
2370 memset(a, 0, sizeof(*a));
2371 strcpy(a->name, "Radio");
2372 return 0;
2373}
2374
2375static int radio_s_audio(struct file *file, void *priv,
2376 struct v4l2_audio *a)
2377{
2378 return 0;
2379}
2380
2381static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2382{
2383 return 0;
2384}
2385
2386static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm)
2387{
2388 return 0;
2389}
2390
2391static int radio_queryctrl(struct file *file, void *priv,
2392 struct v4l2_queryctrl *c)
2393{
2394 const struct v4l2_queryctrl *ctrl;
2395
2396 if (c->id < V4L2_CID_BASE ||
2397 c->id >= V4L2_CID_LASTP1)
2398 return -EINVAL;
2399 if (c->id == V4L2_CID_AUDIO_MUTE) {
2400 ctrl = ctrl_by_id(c->id);
2401 *c = *ctrl;
2402 } else
2403 *c = no_ctrl;
2404 return 0;
2405}
2406
2407static const struct v4l2_file_operations video_fops =
2408{
2409 .owner = THIS_MODULE,
2410 .open = video_open,
2411 .release = video_release,
2412 .read = video_read,
2413 .poll = video_poll,
2414 .mmap = video_mmap,
2415 .ioctl = video_ioctl2,
2416};
2417
2418static const struct v4l2_ioctl_ops video_ioctl_ops = {
2419 .vidioc_querycap = saa7134_querycap,
2420 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap,
2421 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
2422 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
2423 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
2424 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay,
2425 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay,
2426 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay,
2427 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay,
2428 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2429 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2430 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2431 .vidioc_g_audio = saa7134_g_audio,
2432 .vidioc_s_audio = saa7134_s_audio,
2433 .vidioc_cropcap = saa7134_cropcap,
2434 .vidioc_reqbufs = saa7134_reqbufs,
2435 .vidioc_querybuf = saa7134_querybuf,
2436 .vidioc_qbuf = saa7134_qbuf,
2437 .vidioc_dqbuf = saa7134_dqbuf,
2438 .vidioc_s_std = saa7134_s_std,
2439 .vidioc_g_std = saa7134_g_std,
2440 .vidioc_enum_input = saa7134_enum_input,
2441 .vidioc_g_input = saa7134_g_input,
2442 .vidioc_s_input = saa7134_s_input,
2443 .vidioc_queryctrl = saa7134_queryctrl,
2444 .vidioc_g_ctrl = saa7134_g_ctrl,
2445 .vidioc_s_ctrl = saa7134_s_ctrl,
2446 .vidioc_streamon = saa7134_streamon,
2447 .vidioc_streamoff = saa7134_streamoff,
2448 .vidioc_g_tuner = saa7134_g_tuner,
2449 .vidioc_s_tuner = saa7134_s_tuner,
2450 .vidioc_g_crop = saa7134_g_crop,
2451 .vidioc_s_crop = saa7134_s_crop,
2452 .vidioc_g_fbuf = saa7134_g_fbuf,
2453 .vidioc_s_fbuf = saa7134_s_fbuf,
2454 .vidioc_overlay = saa7134_overlay,
2455 .vidioc_g_priority = saa7134_g_priority,
2456 .vidioc_s_priority = saa7134_s_priority,
2457 .vidioc_g_parm = saa7134_g_parm,
2458 .vidioc_g_frequency = saa7134_g_frequency,
2459 .vidioc_s_frequency = saa7134_s_frequency,
2460#ifdef CONFIG_VIDEO_ADV_DEBUG
2461 .vidioc_g_register = vidioc_g_register,
2462 .vidioc_s_register = vidioc_s_register,
2463#endif
2464};
2465
2466static const struct v4l2_file_operations radio_fops = {
2467 .owner = THIS_MODULE,
2468 .open = video_open,
2469 .read = radio_read,
2470 .release = video_release,
2471 .ioctl = video_ioctl2,
2472 .poll = radio_poll,
2473};
2474
2475static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2476 .vidioc_querycap = radio_querycap,
2477 .vidioc_g_tuner = radio_g_tuner,
2478 .vidioc_enum_input = radio_enum_input,
2479 .vidioc_g_audio = radio_g_audio,
2480 .vidioc_s_tuner = radio_s_tuner,
2481 .vidioc_s_audio = radio_s_audio,
2482 .vidioc_s_input = radio_s_input,
2483 .vidioc_s_std = radio_s_std,
2484 .vidioc_queryctrl = radio_queryctrl,
2485 .vidioc_g_input = radio_g_input,
2486 .vidioc_g_ctrl = saa7134_g_ctrl,
2487 .vidioc_s_ctrl = saa7134_s_ctrl,
2488 .vidioc_g_frequency = saa7134_g_frequency,
2489 .vidioc_s_frequency = saa7134_s_frequency,
2490};
2491
2492
2493
2494
2495struct video_device saa7134_video_template = {
2496 .name = "saa7134-video",
2497 .fops = &video_fops,
2498 .ioctl_ops = &video_ioctl_ops,
2499 .tvnorms = SAA7134_NORMS,
2500 .current_norm = V4L2_STD_PAL,
2501};
2502
2503struct video_device saa7134_radio_template = {
2504 .name = "saa7134-radio",
2505 .fops = &radio_fops,
2506 .ioctl_ops = &radio_ioctl_ops,
2507};
2508
2509int saa7134_video_init1(struct saa7134_dev *dev)
2510{
2511
2512 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2513 gbuffers = 2;
2514 if (gbufsize < 0 || gbufsize > gbufsize_max)
2515 gbufsize = gbufsize_max;
2516 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2517
2518
2519 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2520 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2521 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2522 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2523 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2524 dev->ctl_mute = 1;
2525 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2526 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2527
2528 if (dev->tda9887_conf && dev->ctl_automute)
2529 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2530 dev->automute = 0;
2531
2532 INIT_LIST_HEAD(&dev->video_q.queue);
2533 init_timer(&dev->video_q.timeout);
2534 dev->video_q.timeout.function = saa7134_buffer_timeout;
2535 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2536 dev->video_q.dev = dev;
2537
2538 if (saa7134_boards[dev->board].video_out)
2539 saa7134_videoport_init(dev);
2540
2541 return 0;
2542}
2543
2544int saa7134_videoport_init(struct saa7134_dev *dev)
2545{
2546
2547 int vo = saa7134_boards[dev->board].video_out;
2548 int video_reg;
2549 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2550
2551
2552 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2553 video_reg = video_out[vo][1];
2554 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2555 video_reg &= ~VP_T_CODE_P_INVERTED;
2556 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2557 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2558 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2559 video_reg = video_out[vo][5];
2560 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2561 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2562 if (vid_port_opts & SET_CLOCK_INVERTED)
2563 video_reg |= VP_CLK_CTRL1_INVERTED;
2564 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2565 video_reg = video_out[vo][6];
2566 if (vid_port_opts & SET_VSYNC_OFF) {
2567 video_reg &= ~VP_VS_TYPE_MASK;
2568 video_reg |= VP_VS_TYPE_OFF;
2569 }
2570 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2571 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2572 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2573
2574
2575 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2576
2577 return 0;
2578}
2579
2580int saa7134_video_init2(struct saa7134_dev *dev)
2581{
2582
2583 set_tvnorm(dev,&tvnorms[0]);
2584 video_mux(dev,0);
2585 saa7134_tvaudio_setmute(dev);
2586 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2587 return 0;
2588}
2589
2590void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2591{
2592 static const char *st[] = {
2593 "(no signal)", "NTSC", "PAL", "SECAM" };
2594 u32 st1,st2;
2595
2596 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2597 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2598 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2599 (st1 & 0x40) ? "not locked" : "locked",
2600 (st2 & 0x40) ? "no" : "yes",
2601 st[st1 & 0x03]);
2602 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2603
2604 if (dev->nosignal) {
2605
2606 if (dev->ctl_automute)
2607 dev->automute = 1;
2608 saa7134_tvaudio_setmute(dev);
2609 } else {
2610
2611 saa7134_tvaudio_do_scan(dev);
2612 }
2613
2614 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2615 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2616 else
2617 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2618
2619 if (dev->mops && dev->mops->signal_change)
2620 dev->mops->signal_change(dev);
2621}
2622
2623
2624void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2625{
2626 enum v4l2_field field;
2627
2628 spin_lock(&dev->slock);
2629 if (dev->video_q.curr) {
2630 dev->video_fieldcount++;
2631 field = dev->video_q.curr->vb.field;
2632 if (V4L2_FIELD_HAS_BOTH(field)) {
2633
2634 if ((status & 0x10) == 0x00) {
2635 dev->video_q.curr->top_seen = 1;
2636 goto done;
2637 }
2638 if (!dev->video_q.curr->top_seen)
2639 goto done;
2640 } else if (field == V4L2_FIELD_TOP) {
2641 if ((status & 0x10) != 0x10)
2642 goto done;
2643 } else if (field == V4L2_FIELD_BOTTOM) {
2644 if ((status & 0x10) != 0x00)
2645 goto done;
2646 }
2647 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2648 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2649 }
2650 saa7134_buffer_next(dev,&dev->video_q);
2651
2652 done:
2653 spin_unlock(&dev->slock);
2654}
2655
2656
2657
2658
2659
2660
2661
2662
