1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
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
34#ifdef CONFIG_VIDEO_V4L1_COMPAT
35
36#include <linux/videodev.h>
37#endif
38
39
40
41static unsigned int video_debug = 0;
42static unsigned int gbuffers = 8;
43static unsigned int noninterlaced = 0;
44static unsigned int gbufsize = 720*576*4;
45static unsigned int gbufsize_max = 720*576*4;
46static char secam[] = "--";
47module_param(video_debug, int, 0644);
48MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
49module_param(gbuffers, int, 0444);
50MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
51module_param(noninterlaced, int, 0644);
52MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
53module_param_string(secam, secam, sizeof(secam), 0644);
54MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
55
56
57#define dprintk(fmt, arg...) if (video_debug) \
58 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
59
60
61
62
63
64
65#define VP_T_CODE_P_NON_INVERTED 0x00
66#define VP_T_CODE_P_INVERTED 0x01
67
68
69
70
71
72
73#define VP_CLK_CTRL2_NOT_DELAYED 0x00
74#define VP_CLK_CTRL2_DELAYED 0x04
75
76
77
78#define VP_CLK_CTRL1_NON_INVERTED 0x00
79#define VP_CLK_CTRL1_INVERTED 0x02
80
81
82
83
84
85
86#define VP_VS_TYPE_MASK 0x07
87
88#define VP_VS_TYPE_OFF 0x00
89#define VP_VS_TYPE_V123 0x01
90#define VP_VS_TYPE_V_ITU 0x02
91#define VP_VS_TYPE_VGATE_L 0x03
92#define VP_VS_TYPE_RESERVED1 0x04
93#define VP_VS_TYPE_RESERVED2 0x05
94#define VP_VS_TYPE_F_ITU 0x06
95#define VP_VS_TYPE_SC_FID 0x07
96
97
98
99
100static int video_out[][9] = {
101 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
102};
103
104static struct saa7134_format formats[] = {
105 {
106 .name = "8 bpp gray",
107 .fourcc = V4L2_PIX_FMT_GREY,
108 .depth = 8,
109 .pm = 0x06,
110 },{
111 .name = "15 bpp RGB, le",
112 .fourcc = V4L2_PIX_FMT_RGB555,
113 .depth = 16,
114 .pm = 0x13 | 0x80,
115 },{
116 .name = "15 bpp RGB, be",
117 .fourcc = V4L2_PIX_FMT_RGB555X,
118 .depth = 16,
119 .pm = 0x13 | 0x80,
120 .bswap = 1,
121 },{
122 .name = "16 bpp RGB, le",
123 .fourcc = V4L2_PIX_FMT_RGB565,
124 .depth = 16,
125 .pm = 0x10 | 0x80,
126 },{
127 .name = "16 bpp RGB, be",
128 .fourcc = V4L2_PIX_FMT_RGB565X,
129 .depth = 16,
130 .pm = 0x10 | 0x80,
131 .bswap = 1,
132 },{
133 .name = "24 bpp RGB, le",
134 .fourcc = V4L2_PIX_FMT_BGR24,
135 .depth = 24,
136 .pm = 0x11,
137 },{
138 .name = "24 bpp RGB, be",
139 .fourcc = V4L2_PIX_FMT_RGB24,
140 .depth = 24,
141 .pm = 0x11,
142 .bswap = 1,
143 },{
144 .name = "32 bpp RGB, le",
145 .fourcc = V4L2_PIX_FMT_BGR32,
146 .depth = 32,
147 .pm = 0x12,
148 },{
149 .name = "32 bpp RGB, be",
150 .fourcc = V4L2_PIX_FMT_RGB32,
151 .depth = 32,
152 .pm = 0x12,
153 .bswap = 1,
154 .wswap = 1,
155 },{
156 .name = "4:2:2 packed, YUYV",
157 .fourcc = V4L2_PIX_FMT_YUYV,
158 .depth = 16,
159 .pm = 0x00,
160 .bswap = 1,
161 .yuv = 1,
162 },{
163 .name = "4:2:2 packed, UYVY",
164 .fourcc = V4L2_PIX_FMT_UYVY,
165 .depth = 16,
166 .pm = 0x00,
167 .yuv = 1,
168 },{
169 .name = "4:2:2 planar, Y-Cb-Cr",
170 .fourcc = V4L2_PIX_FMT_YUV422P,
171 .depth = 16,
172 .pm = 0x09,
173 .yuv = 1,
174 .planar = 1,
175 .hshift = 1,
176 .vshift = 0,
177 },{
178 .name = "4:2:0 planar, Y-Cb-Cr",
179 .fourcc = V4L2_PIX_FMT_YUV420,
180 .depth = 12,
181 .pm = 0x0a,
182 .yuv = 1,
183 .planar = 1,
184 .hshift = 1,
185 .vshift = 1,
186 },{
187 .name = "4:2:0 planar, Y-Cb-Cr",
188 .fourcc = V4L2_PIX_FMT_YVU420,
189 .depth = 12,
190 .pm = 0x0a,
191 .yuv = 1,
192 .planar = 1,
193 .uvswap = 1,
194 .hshift = 1,
195 .vshift = 1,
196 }
197};
198#define FORMATS ARRAY_SIZE(formats)
199
200#define NORM_625_50 \
201 .h_start = 0, \
202 .h_stop = 719, \
203 .video_v_start = 24, \
204 .video_v_stop = 311, \
205 .vbi_v_start_0 = 7, \
206 .vbi_v_stop_0 = 22, \
207 .vbi_v_start_1 = 319, \
208 .src_timing = 4
209
210#define NORM_525_60 \
211 .h_start = 0, \
212 .h_stop = 703, \
213 .video_v_start = 23, \
214 .video_v_stop = 262, \
215 .vbi_v_start_0 = 10, \
216 .vbi_v_stop_0 = 21, \
217 .vbi_v_start_1 = 273, \
218 .src_timing = 7
219
220static struct saa7134_tvnorm tvnorms[] = {
221 {
222 .name = "PAL",
223 .id = V4L2_STD_PAL,
224 NORM_625_50,
225
226 .sync_control = 0x18,
227 .luma_control = 0x40,
228 .chroma_ctrl1 = 0x81,
229 .chroma_gain = 0x2a,
230 .chroma_ctrl2 = 0x06,
231 .vgate_misc = 0x1c,
232
233 },{
234 .name = "PAL-BG",
235 .id = V4L2_STD_PAL_BG,
236 NORM_625_50,
237
238 .sync_control = 0x18,
239 .luma_control = 0x40,
240 .chroma_ctrl1 = 0x81,
241 .chroma_gain = 0x2a,
242 .chroma_ctrl2 = 0x06,
243 .vgate_misc = 0x1c,
244
245 },{
246 .name = "PAL-I",
247 .id = V4L2_STD_PAL_I,
248 NORM_625_50,
249
250 .sync_control = 0x18,
251 .luma_control = 0x40,
252 .chroma_ctrl1 = 0x81,
253 .chroma_gain = 0x2a,
254 .chroma_ctrl2 = 0x06,
255 .vgate_misc = 0x1c,
256
257 },{
258 .name = "PAL-DK",
259 .id = V4L2_STD_PAL_DK,
260 NORM_625_50,
261
262 .sync_control = 0x18,
263 .luma_control = 0x40,
264 .chroma_ctrl1 = 0x81,
265 .chroma_gain = 0x2a,
266 .chroma_ctrl2 = 0x06,
267 .vgate_misc = 0x1c,
268
269 },{
270 .name = "NTSC",
271 .id = V4L2_STD_NTSC,
272 NORM_525_60,
273
274 .sync_control = 0x59,
275 .luma_control = 0x40,
276 .chroma_ctrl1 = 0x89,
277 .chroma_gain = 0x2a,
278 .chroma_ctrl2 = 0x0e,
279 .vgate_misc = 0x18,
280
281 },{
282 .name = "SECAM",
283 .id = V4L2_STD_SECAM,
284 NORM_625_50,
285
286 .sync_control = 0x18,
287 .luma_control = 0x1b,
288 .chroma_ctrl1 = 0xd1,
289 .chroma_gain = 0x80,
290 .chroma_ctrl2 = 0x00,
291 .vgate_misc = 0x1c,
292
293 },{
294 .name = "SECAM-DK",
295 .id = V4L2_STD_SECAM_DK,
296 NORM_625_50,
297
298 .sync_control = 0x18,
299 .luma_control = 0x1b,
300 .chroma_ctrl1 = 0xd1,
301 .chroma_gain = 0x80,
302 .chroma_ctrl2 = 0x00,
303 .vgate_misc = 0x1c,
304
305 },{
306 .name = "SECAM-L",
307 .id = V4L2_STD_SECAM_L,
308 NORM_625_50,
309
310 .sync_control = 0x18,
311 .luma_control = 0x1b,
312 .chroma_ctrl1 = 0xd1,
313 .chroma_gain = 0x80,
314 .chroma_ctrl2 = 0x00,
315 .vgate_misc = 0x1c,
316
317 },{
318 .name = "SECAM-Lc",
319 .id = V4L2_STD_SECAM_LC,
320 NORM_625_50,
321
322 .sync_control = 0x18,
323 .luma_control = 0x1b,
324 .chroma_ctrl1 = 0xd1,
325 .chroma_gain = 0x80,
326 .chroma_ctrl2 = 0x00,
327 .vgate_misc = 0x1c,
328
329 },{
330 .name = "PAL-M",
331 .id = V4L2_STD_PAL_M,
332 NORM_525_60,
333
334 .sync_control = 0x59,
335 .luma_control = 0x40,
336 .chroma_ctrl1 = 0xb9,
337 .chroma_gain = 0x2a,
338 .chroma_ctrl2 = 0x0e,
339 .vgate_misc = 0x18,
340
341 },{
342 .name = "PAL-Nc",
343 .id = V4L2_STD_PAL_Nc,
344 NORM_625_50,
345
346 .sync_control = 0x18,
347 .luma_control = 0x40,
348 .chroma_ctrl1 = 0xa1,
349 .chroma_gain = 0x2a,
350 .chroma_ctrl2 = 0x06,
351 .vgate_misc = 0x1c,
352
353 },{
354 .name = "PAL-60",
355 .id = V4L2_STD_PAL_60,
356
357 .h_start = 0,
358 .h_stop = 719,
359 .video_v_start = 23,
360 .video_v_stop = 262,
361 .vbi_v_start_0 = 10,
362 .vbi_v_stop_0 = 21,
363 .vbi_v_start_1 = 273,
364 .src_timing = 7,
365
366 .sync_control = 0x18,
367 .luma_control = 0x40,
368 .chroma_ctrl1 = 0x81,
369 .chroma_gain = 0x2a,
370 .chroma_ctrl2 = 0x06,
371 .vgate_misc = 0x1c,
372 }
373};
374#define TVNORMS ARRAY_SIZE(tvnorms)
375
376#define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
377#define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
378#define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
379#define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
380#define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
381
382static const struct v4l2_queryctrl no_ctrl = {
383 .name = "42",
384 .flags = V4L2_CTRL_FLAG_DISABLED,
385};
386static const struct v4l2_queryctrl video_ctrls[] = {
387
388 {
389 .id = V4L2_CID_BRIGHTNESS,
390 .name = "Brightness",
391 .minimum = 0,
392 .maximum = 255,
393 .step = 1,
394 .default_value = 128,
395 .type = V4L2_CTRL_TYPE_INTEGER,
396 },{
397 .id = V4L2_CID_CONTRAST,
398 .name = "Contrast",
399 .minimum = 0,
400 .maximum = 127,
401 .step = 1,
402 .default_value = 68,
403 .type = V4L2_CTRL_TYPE_INTEGER,
404 },{
405 .id = V4L2_CID_SATURATION,
406 .name = "Saturation",
407 .minimum = 0,
408 .maximum = 127,
409 .step = 1,
410 .default_value = 64,
411 .type = V4L2_CTRL_TYPE_INTEGER,
412 },{
413 .id = V4L2_CID_HUE,
414 .name = "Hue",
415 .minimum = -128,
416 .maximum = 127,
417 .step = 1,
418 .default_value = 0,
419 .type = V4L2_CTRL_TYPE_INTEGER,
420 },{
421 .id = V4L2_CID_HFLIP,
422 .name = "Mirror",
423 .minimum = 0,
424 .maximum = 1,
425 .type = V4L2_CTRL_TYPE_BOOLEAN,
426 },
427
428 {
429 .id = V4L2_CID_AUDIO_MUTE,
430 .name = "Mute",
431 .minimum = 0,
432 .maximum = 1,
433 .type = V4L2_CTRL_TYPE_BOOLEAN,
434 },{
435 .id = V4L2_CID_AUDIO_VOLUME,
436 .name = "Volume",
437 .minimum = -15,
438 .maximum = 15,
439 .step = 1,
440 .default_value = 0,
441 .type = V4L2_CTRL_TYPE_INTEGER,
442 },
443
444 {
445 .id = V4L2_CID_PRIVATE_INVERT,
446 .name = "Invert",
447 .minimum = 0,
448 .maximum = 1,
449 .type = V4L2_CTRL_TYPE_BOOLEAN,
450 },{
451 .id = V4L2_CID_PRIVATE_Y_ODD,
452 .name = "y offset odd field",
453 .minimum = 0,
454 .maximum = 128,
455 .default_value = 0,
456 .type = V4L2_CTRL_TYPE_INTEGER,
457 },{
458 .id = V4L2_CID_PRIVATE_Y_EVEN,
459 .name = "y offset even field",
460 .minimum = 0,
461 .maximum = 128,
462 .default_value = 0,
463 .type = V4L2_CTRL_TYPE_INTEGER,
464 },{
465 .id = V4L2_CID_PRIVATE_AUTOMUTE,
466 .name = "automute",
467 .minimum = 0,
468 .maximum = 1,
469 .default_value = 1,
470 .type = V4L2_CTRL_TYPE_BOOLEAN,
471 }
472};
473static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
474
475static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
476{
477 unsigned int i;
478
479 for (i = 0; i < CTRLS; i++)
480 if (video_ctrls[i].id == id)
481 return video_ctrls+i;
482 return NULL;
483}
484
485static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
486{
487 unsigned int i;
488
489 for (i = 0; i < FORMATS; i++)
490 if (formats[i].fourcc == fourcc)
491 return formats+i;
492 return NULL;
493}
494
495
496
497
498static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
499{
500 if (fh->resources & bit)
501
502 return 1;
503
504
505 mutex_lock(&dev->lock);
506 if (dev->resources & bit) {
507
508 mutex_unlock(&dev->lock);
509 return 0;
510 }
511
512 fh->resources |= bit;
513 dev->resources |= bit;
514 dprintk("res: get %d\n",bit);
515 mutex_unlock(&dev->lock);
516 return 1;
517}
518
519static int res_check(struct saa7134_fh *fh, unsigned int bit)
520{
521 return (fh->resources & bit);
522}
523
524static int res_locked(struct saa7134_dev *dev, unsigned int bit)
525{
526 return (dev->resources & bit);
527}
528
529static
530void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
531{
532 BUG_ON((fh->resources & bits) != bits);
533
534 mutex_lock(&dev->lock);
535 fh->resources &= ~bits;
536 dev->resources &= ~bits;
537 dprintk("res: put %d\n",bits);
538 mutex_unlock(&dev->lock);
539}
540
541
542
543void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
544{
545
546 dprintk("set tv norm = %s\n",norm->name);
547 dev->tvnorm = norm;
548
549
550 dev->crop_bounds.left = norm->h_start;
551 dev->crop_defrect.left = norm->h_start;
552 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
553 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
554
555 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
556 dev->crop_defrect.top = norm->video_v_start*2;
557 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
558 - dev->crop_bounds.top;
559 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
560
561 dev->crop_current = dev->crop_defrect;
562
563 saa7134_set_tvnorm_hw(dev);
564
565}
566
567static void video_mux(struct saa7134_dev *dev, int input)
568{
569 dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
570 dev->ctl_input = input;
571 set_tvnorm(dev, dev->tvnorm);
572 saa7134_tvaudio_setinput(dev, &card_in(dev, input));
573}
574
575
576static void saa7134_set_decoder(struct saa7134_dev *dev)
577{
578 int luma_control, sync_control, mux;
579
580 struct saa7134_tvnorm *norm = dev->tvnorm;
581 mux = card_in(dev, dev->ctl_input).vmux;
582
583 luma_control = norm->luma_control;
584 sync_control = norm->sync_control;
585
586 if (mux > 5)
587 luma_control |= 0x80;
588 if (noninterlaced || dev->nosignal)
589 sync_control |= 0x20;
590
591
592 saa_writeb(SAA7134_INCR_DELAY, 0x08);
593 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
594 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
595
596 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
597 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
598 saa_writeb(SAA7134_HSYNC_START, 0xeb);
599 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
600 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
601
602 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
603 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
604 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
605
606 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
607 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
608
609 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
610 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
611
612 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
613 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
614 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
615
616 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
617 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
618
619 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
620 saa_writeb(SAA7134_VGATE_START, 0x11);
621 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
622 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
623 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
624 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
625}
626
627void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
628{
629 saa7134_set_decoder(dev);
630
631 if (card_in(dev, dev->ctl_input).tv) {
632 if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
633 && ((card(dev).tuner_config == 1)
634 || (card(dev).tuner_config == 2)))
635 saa7134_set_gpio(dev, 22, 5);
636 saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id);
637 }
638}
639
640static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
641{
642 static const struct {
643 int xpsc;
644 int xacl;
645 int xc2_1;
646 int xdcg;
647 int vpfy;
648 } vals[] = {
649
650 { 1, 0, 0, 0, 0 },
651 { 2, 2, 1, 2, 2 },
652 { 3, 4, 1, 3, 2 },
653 { 4, 8, 1, 4, 2 },
654 { 5, 8, 1, 4, 2 },
655 { 6, 8, 1, 4, 3 },
656 { 7, 8, 1, 4, 3 },
657 { 8, 15, 0, 4, 3 },
658 { 9, 15, 0, 4, 3 },
659 { 10, 16, 1, 5, 3 },
660 };
661 static const int count = ARRAY_SIZE(vals);
662 int i;
663
664 for (i = 0; i < count; i++)
665 if (vals[i].xpsc == prescale)
666 break;
667 if (i == count)
668 return;
669
670 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
671 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
672 saa_writeb(SAA7134_LEVEL_CTRL(task),
673 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
674 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
675 (vals[i].vpfy << 2) | vals[i].vpfy);
676}
677
678static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
679{
680 int val,mirror;
681
682 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
683 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
684
685 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
686 if (yscale < 2048) {
687
688 dprintk("yscale LPI yscale=%d\n",yscale);
689 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
690 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
691 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
692 } else {
693
694 val = 0x40 * 1024 / yscale;
695 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
696 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
697 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
698 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
699 }
700 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
701}
702
703static void set_size(struct saa7134_dev *dev, int task,
704 int width, int height, int interlace)
705{
706 int prescale,xscale,yscale,y_even,y_odd;
707 int h_start, h_stop, v_start, v_stop;
708 int div = interlace ? 2 : 1;
709
710
711 h_start = dev->crop_current.left;
712 v_start = dev->crop_current.top/2;
713 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
714 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
715
716 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
717 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
718 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
719 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
720 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
721 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
722 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
723 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
724
725 prescale = dev->crop_current.width / width;
726 if (0 == prescale)
727 prescale = 1;
728 xscale = 1024 * dev->crop_current.width / prescale / width;
729 yscale = 512 * div * dev->crop_current.height / height;
730 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
731 set_h_prescale(dev,task,prescale);
732 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
733 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
734 set_v_scale(dev,task,yscale);
735
736 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
737 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
738 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
739 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
740
741
742 y_odd = dev->ctl_y_odd;
743 y_even = dev->ctl_y_even;
744 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
745 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
746 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
747 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
748}
749
750
751
752struct cliplist {
753 __u16 position;
754 __u8 enable;
755 __u8 disable;
756};
757
758static void set_cliplist(struct saa7134_dev *dev, int reg,
759 struct cliplist *cl, int entries, char *name)
760{
761 __u8 winbits = 0;
762 int i;
763
764 for (i = 0; i < entries; i++) {
765 winbits |= cl[i].enable;
766 winbits &= ~cl[i].disable;
767 if (i < 15 && cl[i].position == cl[i+1].position)
768 continue;
769 saa_writeb(reg + 0, winbits);
770 saa_writeb(reg + 2, cl[i].position & 0xff);
771 saa_writeb(reg + 3, cl[i].position >> 8);
772 dprintk("clip: %s winbits=%02x pos=%d\n",
773 name,winbits,cl[i].position);
774 reg += 8;
775 }
776 for (; reg < 0x400; reg += 8) {
777 saa_writeb(reg+ 0, 0);
778 saa_writeb(reg + 1, 0);
779 saa_writeb(reg + 2, 0);
780 saa_writeb(reg + 3, 0);
781 }
782}
783
784static int clip_range(int val)
785{
786 if (val < 0)
787 val = 0;
788 return val;
789}
790
791
792static int cliplist_cmp(const void *a, const void *b)
793{
794 const struct cliplist *cla = a;
795 const struct cliplist *clb = b;
796 if (cla->position < clb->position)
797 return -1;
798 if (cla->position > clb->position)
799 return 1;
800 return 0;
801}
802
803static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
804 int nclips, int interlace)
805{
806 struct cliplist col[16], row[16];
807 int cols = 0, rows = 0, i;
808 int div = interlace ? 2 : 1;
809
810 memset(col, 0, sizeof(col));
811 memset(row, 0, sizeof(row));
812 for (i = 0; i < nclips && i < 8; i++) {
813 col[cols].position = clip_range(clips[i].c.left);
814 col[cols].enable = (1 << i);
815 cols++;
816 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
817 col[cols].disable = (1 << i);
818 cols++;
819 row[rows].position = clip_range(clips[i].c.top / div);
820 row[rows].enable = (1 << i);
821 rows++;
822 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
823 / div);
824 row[rows].disable = (1 << i);
825 rows++;
826 }
827 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
828 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
829 set_cliplist(dev,0x380,col,cols,"cols");
830 set_cliplist(dev,0x384,row,rows,"rows");
831 return 0;
832}
833
834static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
835{
836 enum v4l2_field field;
837 int maxw, maxh;
838
839 if (NULL == dev->ovbuf.base)
840 return -EINVAL;
841 if (NULL == dev->ovfmt)
842 return -EINVAL;
843 if (win->w.width < 48 || win->w.height < 32)
844 return -EINVAL;
845 if (win->clipcount > 2048)
846 return -EINVAL;
847
848 field = win->field;
849 maxw = dev->crop_current.width;
850 maxh = dev->crop_current.height;
851
852 if (V4L2_FIELD_ANY == field) {
853 field = (win->w.height > maxh/2)
854 ? V4L2_FIELD_INTERLACED
855 : V4L2_FIELD_TOP;
856 }
857 switch (field) {
858 case V4L2_FIELD_TOP:
859 case V4L2_FIELD_BOTTOM:
860 maxh = maxh / 2;
861 break;
862 case V4L2_FIELD_INTERLACED:
863 break;
864 default:
865 return -EINVAL;
866 }
867
868 win->field = field;
869 if (win->w.width > maxw)
870 win->w.width = maxw;
871 if (win->w.height > maxh)
872 win->w.height = maxh;
873 return 0;
874}
875
876static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
877{
878 unsigned long base,control,bpl;
879 int err;
880
881 err = verify_preview(dev,&fh->win);
882 if (0 != err)
883 return err;
884
885 dev->ovfield = fh->win.field;
886 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
887 fh->win.w.width,fh->win.w.height,
888 fh->win.w.left,fh->win.w.top,
889 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
890
891
892 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
893 V4L2_FIELD_HAS_BOTH(dev->ovfield));
894 setup_clipping(dev,fh->clips,fh->nclips,
895 V4L2_FIELD_HAS_BOTH(dev->ovfield));
896 if (dev->ovfmt->yuv)
897 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
898 else
899 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
900 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
901
902
903 base = (unsigned long)dev->ovbuf.base;
904 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
905 base += dev->ovfmt->depth/8 * fh->win.w.left;
906 bpl = dev->ovbuf.fmt.bytesperline;
907 control = SAA7134_RS_CONTROL_BURST_16;
908 if (dev->ovfmt->bswap)
909 control |= SAA7134_RS_CONTROL_BSWAP;
910 if (dev->ovfmt->wswap)
911 control |= SAA7134_RS_CONTROL_WSWAP;
912 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
913 saa_writel(SAA7134_RS_BA1(1),base);
914 saa_writel(SAA7134_RS_BA2(1),base+bpl);
915 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
916 saa_writel(SAA7134_RS_CONTROL(1),control);
917 } else {
918 saa_writel(SAA7134_RS_BA1(1),base);
919 saa_writel(SAA7134_RS_BA2(1),base);
920 saa_writel(SAA7134_RS_PITCH(1),bpl);
921 saa_writel(SAA7134_RS_CONTROL(1),control);
922 }
923
924
925 dev->ovenable = 1;
926 saa7134_set_dmabits(dev);
927
928 return 0;
929}
930
931static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
932{
933 dev->ovenable = 0;
934 saa7134_set_dmabits(dev);
935 return 0;
936}
937
938
939
940static int buffer_activate(struct saa7134_dev *dev,
941 struct saa7134_buf *buf,
942 struct saa7134_buf *next)
943{
944 unsigned long base,control,bpl;
945 unsigned long bpl_uv,lines_uv,base2,base3,tmp;
946
947 dprintk("buffer_activate buf=%p\n",buf);
948 buf->vb.state = STATE_ACTIVE;
949 buf->top_seen = 0;
950
951 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
952 V4L2_FIELD_HAS_BOTH(buf->vb.field));
953 if (buf->fmt->yuv)
954 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
955 else
956 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
957 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
958
959
960 base = saa7134_buffer_base(buf);
961 if (buf->fmt->planar)
962 bpl = buf->vb.width;
963 else
964 bpl = (buf->vb.width * buf->fmt->depth) / 8;
965 control = SAA7134_RS_CONTROL_BURST_16 |
966 SAA7134_RS_CONTROL_ME |
967 (buf->pt->dma >> 12);
968 if (buf->fmt->bswap)
969 control |= SAA7134_RS_CONTROL_BSWAP;
970 if (buf->fmt->wswap)
971 control |= SAA7134_RS_CONTROL_WSWAP;
972 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
973
974 saa_writel(SAA7134_RS_BA1(0),base);
975 saa_writel(SAA7134_RS_BA2(0),base+bpl);
976 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
977 } else {
978
979 saa_writel(SAA7134_RS_BA1(0),base);
980 saa_writel(SAA7134_RS_BA2(0),base);
981 saa_writel(SAA7134_RS_PITCH(0),bpl);
982 }
983 saa_writel(SAA7134_RS_CONTROL(0),control);
984
985 if (buf->fmt->planar) {
986
987 bpl_uv = bpl >> buf->fmt->hshift;
988 lines_uv = buf->vb.height >> buf->fmt->vshift;
989 base2 = base + bpl * buf->vb.height;
990 base3 = base2 + bpl_uv * lines_uv;
991 if (buf->fmt->uvswap)
992 tmp = base2, base2 = base3, base3 = tmp;
993 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
994 bpl_uv,lines_uv,base2,base3);
995 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
996
997 saa_writel(SAA7134_RS_BA1(4),base2);
998 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
999 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
1000 saa_writel(SAA7134_RS_BA1(5),base3);
1001 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
1002 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
1003 } else {
1004
1005 saa_writel(SAA7134_RS_BA1(4),base2);
1006 saa_writel(SAA7134_RS_BA2(4),base2);
1007 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1008 saa_writel(SAA7134_RS_BA1(5),base3);
1009 saa_writel(SAA7134_RS_BA2(5),base3);
1010 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1011 }
1012 saa_writel(SAA7134_RS_CONTROL(4),control);
1013 saa_writel(SAA7134_RS_CONTROL(5),control);
1014 }
1015
1016
1017 saa7134_set_dmabits(dev);
1018 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1019 return 0;
1020}
1021
1022static int buffer_prepare(struct videobuf_queue *q,
1023 struct videobuf_buffer *vb,
1024 enum v4l2_field field)
1025{
1026 struct saa7134_fh *fh = q->priv_data;
1027 struct saa7134_dev *dev = fh->dev;
1028 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1029 unsigned int size;
1030 int err;
1031
1032
1033 if (NULL == fh->fmt)
1034 return -EINVAL;
1035 if (fh->width < 48 ||
1036 fh->height < 32 ||
1037 fh->width/4 > dev->crop_current.width ||
1038 fh->height/4 > dev->crop_current.height ||
1039 fh->width > dev->crop_bounds.width ||
1040 fh->height > dev->crop_bounds.height)
1041 return -EINVAL;
1042 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1043 if (0 != buf->vb.baddr && buf->vb.bsize < size)
1044 return -EINVAL;
1045
1046 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1047 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1048 fh->fmt->name);
1049 if (buf->vb.width != fh->width ||
1050 buf->vb.height != fh->height ||
1051 buf->vb.size != size ||
1052 buf->vb.field != field ||
1053 buf->fmt != fh->fmt) {
1054 saa7134_dma_free(q,buf);
1055 }
1056
1057 if (STATE_NEEDS_INIT == buf->vb.state) {
1058 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1059
1060 buf->vb.width = fh->width;
1061 buf->vb.height = fh->height;
1062 buf->vb.size = size;
1063 buf->vb.field = field;
1064 buf->fmt = fh->fmt;
1065 buf->pt = &fh->pt_cap;
1066
1067 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1068 if (err)
1069 goto oops;
1070 err = saa7134_pgtable_build(dev->pci,buf->pt,
1071 dma->sglist,
1072 dma->sglen,
1073 saa7134_buffer_startpage(buf));
1074 if (err)
1075 goto oops;
1076 }
1077 buf->vb.state = STATE_PREPARED;
1078 buf->activate = buffer_activate;
1079 return 0;
1080
1081 oops:
1082 saa7134_dma_free(q,buf);
1083 return err;
1084}
1085
1086static int
1087buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1088{
1089 struct saa7134_fh *fh = q->priv_data;
1090
1091 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1092 if (0 == *count)
1093 *count = gbuffers;
1094 *count = saa7134_buffer_count(*size,*count);
1095 return 0;
1096}
1097
1098static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1099{
1100 struct saa7134_fh *fh = q->priv_data;
1101 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1102
1103 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1104}
1105
1106static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1107{
1108 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1109
1110 saa7134_dma_free(q,buf);
1111}
1112
1113static struct videobuf_queue_ops video_qops = {
1114 .buf_setup = buffer_setup,
1115 .buf_prepare = buffer_prepare,
1116 .buf_queue = buffer_queue,
1117 .buf_release = buffer_release,
1118};
1119
1120
1121
1122static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1123{
1124 const struct v4l2_queryctrl* ctrl;
1125
1126 ctrl = ctrl_by_id(c->id);
1127 if (NULL == ctrl)
1128 return -EINVAL;
1129 switch (c->id) {
1130 case V4L2_CID_BRIGHTNESS:
1131 c->value = dev->ctl_bright;
1132 break;
1133 case V4L2_CID_HUE:
1134 c->value = dev->ctl_hue;
1135 break;
1136 case V4L2_CID_CONTRAST:
1137 c->value = dev->ctl_contrast;
1138 break;
1139 case V4L2_CID_SATURATION:
1140 c->value = dev->ctl_saturation;
1141 break;
1142 case V4L2_CID_AUDIO_MUTE:
1143 c->value = dev->ctl_mute;
1144 break;
1145 case V4L2_CID_AUDIO_VOLUME:
1146 c->value = dev->ctl_volume;
1147 break;
1148 case V4L2_CID_PRIVATE_INVERT:
1149 c->value = dev->ctl_invert;
1150 break;
1151 case V4L2_CID_HFLIP:
1152 c->value = dev->ctl_mirror;
1153 break;
1154 case V4L2_CID_PRIVATE_Y_EVEN:
1155 c->value = dev->ctl_y_even;
1156 break;
1157 case V4L2_CID_PRIVATE_Y_ODD:
1158 c->value = dev->ctl_y_odd;
1159 break;
1160 case V4L2_CID_PRIVATE_AUTOMUTE:
1161 c->value = dev->ctl_automute;
1162 break;
1163 default:
1164 return -EINVAL;
1165 }
1166 return 0;
1167}
1168
1169static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1170 struct v4l2_control *c)
1171{
1172 const struct v4l2_queryctrl* ctrl;
1173 unsigned long flags;
1174 int restart_overlay = 0;
1175
1176 ctrl = ctrl_by_id(c->id);
1177 if (NULL == ctrl)
1178 return -EINVAL;
1179 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1180 switch (ctrl->type) {
1181 case V4L2_CTRL_TYPE_BOOLEAN:
1182 case V4L2_CTRL_TYPE_MENU:
1183 case V4L2_CTRL_TYPE_INTEGER:
1184 if (c->value < ctrl->minimum)
1185 c->value = ctrl->minimum;
1186 if (c->value > ctrl->maximum)
1187 c->value = ctrl->maximum;
1188 break;
1189 default:
1190 ;
1191 };
1192 switch (c->id) {
1193 case V4L2_CID_BRIGHTNESS:
1194 dev->ctl_bright = c->value;
1195 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1196 break;
1197 case V4L2_CID_HUE:
1198 dev->ctl_hue = c->value;
1199 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1200 break;
1201 case V4L2_CID_CONTRAST:
1202 dev->ctl_contrast = c->value;
1203 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1204 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1205 break;
1206 case V4L2_CID_SATURATION:
1207 dev->ctl_saturation = c->value;
1208 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1209 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1210 break;
1211 case V4L2_CID_AUDIO_MUTE:
1212 dev->ctl_mute = c->value;
1213 saa7134_tvaudio_setmute(dev);
1214 break;
1215 case V4L2_CID_AUDIO_VOLUME:
1216 dev->ctl_volume = c->value;
1217 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1218 break;
1219 case V4L2_CID_PRIVATE_INVERT:
1220 dev->ctl_invert = c->value;
1221 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1222 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1223 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1224 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1225 break;
1226 case V4L2_CID_HFLIP:
1227 dev->ctl_mirror = c->value;
1228 restart_overlay = 1;
1229 break;
1230 case V4L2_CID_PRIVATE_Y_EVEN:
1231 dev->ctl_y_even = c->value;
1232 restart_overlay = 1;
1233 break;
1234 case V4L2_CID_PRIVATE_Y_ODD:
1235 dev->ctl_y_odd = c->value;
1236 restart_overlay = 1;
1237 break;
1238 case V4L2_CID_PRIVATE_AUTOMUTE:
1239 dev->ctl_automute = c->value;
1240 if (dev->tda9887_conf) {
1241 if (dev->ctl_automute)
1242 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1243 else
1244 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1245 saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1246 &dev->tda9887_conf);
1247 }
1248 break;
1249 default:
1250 return -EINVAL;
1251 }
1252 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1253 spin_lock_irqsave(&dev->slock,flags);
1254 stop_preview(dev,fh);
1255 start_preview(dev,fh);
1256 spin_unlock_irqrestore(&dev->slock,flags);
1257 }
1258 return 0;
1259}
1260
1261
1262
1263static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1264{
1265 struct videobuf_queue* q = NULL;
1266
1267 switch (fh->type) {
1268 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1269 q = &fh->cap;
1270 break;
1271 case V4L2_BUF_TYPE_VBI_CAPTURE:
1272 q = &fh->vbi;
1273 break;
1274 default:
1275 BUG();
1276 }
1277 return q;
1278}
1279
1280static int saa7134_resource(struct saa7134_fh *fh)
1281{
1282 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1283 return RESOURCE_VIDEO;
1284
1285 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1286 return RESOURCE_VBI;
1287
1288 BUG();
1289 return 0;
1290}
1291
1292static int video_open(struct inode *inode, struct file *file)
1293{
1294 int minor = iminor(inode);
1295 struct saa7134_dev *dev;
1296 struct saa7134_fh *fh;
1297 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1298 int radio = 0;
1299 list_for_each_entry(dev, &saa7134_devlist, devlist) {
1300 if (dev->video_dev && (dev->video_dev->minor == minor))
1301 goto found;
1302 if (dev->radio_dev && (dev->radio_dev->minor == minor)) {
1303 radio = 1;
1304 goto found;
1305 }
1306 if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) {
1307 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1308 goto found;
1309 }
1310 }
1311 return -ENODEV;
1312 found:
1313
1314 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1315 v4l2_type_names[type]);
1316
1317
1318 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1319 if (NULL == fh)
1320 return -ENOMEM;
1321 file->private_data = fh;
1322 fh->dev = dev;
1323 fh->radio = radio;
1324 fh->type = type;
1325 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1326 fh->width = 720;
1327 fh->height = 576;
1328 v4l2_prio_open(&dev->prio,&fh->prio);
1329
1330 videobuf_queue_pci_init(&fh->cap, &video_qops,
1331 dev->pci, &dev->slock,
1332 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1333 V4L2_FIELD_INTERLACED,
1334 sizeof(struct saa7134_buf),
1335 fh);
1336 videobuf_queue_pci_init(&fh->vbi, &saa7134_vbi_qops,
1337 dev->pci, &dev->slock,
1338 V4L2_BUF_TYPE_VBI_CAPTURE,
1339 V4L2_FIELD_SEQ_TB,
1340 sizeof(struct saa7134_buf),
1341 fh);
1342 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1343 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1344
1345 if (fh->radio) {
1346
1347 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1348 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1349 } else {
1350
1351 video_mux(dev,dev->ctl_input);
1352 }
1353 return 0;
1354}
1355
1356static ssize_t
1357video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1358{
1359 struct saa7134_fh *fh = file->private_data;
1360
1361 switch (fh->type) {
1362 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1363 if (res_locked(fh->dev,RESOURCE_VIDEO))
1364 return -EBUSY;
1365 return videobuf_read_one(saa7134_queue(fh),
1366 data, count, ppos,
1367 file->f_flags & O_NONBLOCK);
1368 case V4L2_BUF_TYPE_VBI_CAPTURE:
1369 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1370 return -EBUSY;
1371 return videobuf_read_stream(saa7134_queue(fh),
1372 data, count, ppos, 1,
1373 file->f_flags & O_NONBLOCK);
1374 break;
1375 default:
1376 BUG();
1377 return 0;
1378 }
1379}
1380
1381static unsigned int
1382video_poll(struct file *file, struct poll_table_struct *wait)
1383{
1384 struct saa7134_fh *fh = file->private_data;
1385 struct videobuf_buffer *buf = NULL;
1386
1387 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1388 return videobuf_poll_stream(file, &fh->vbi, wait);
1389
1390 if (res_check(fh,RESOURCE_VIDEO)) {
1391 if (!list_empty(&fh->cap.stream))
1392 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1393 } else {
1394 mutex_lock(&fh->cap.lock);
1395 if (UNSET == fh->cap.read_off) {
1396
1397 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1398 mutex_unlock(&fh->cap.lock);
1399 return POLLERR;
1400 }
1401 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1402 mutex_unlock(&fh->cap.lock);
1403 return POLLERR;
1404 }
1405 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1406 fh->cap.read_off = 0;
1407 }
1408 mutex_unlock(&fh->cap.lock);
1409 buf = fh->cap.read_buf;
1410 }
1411
1412 if (!buf)
1413 return POLLERR;
1414
1415 poll_wait(file, &buf->done, wait);
1416 if (buf->state == STATE_DONE ||
1417 buf->state == STATE_ERROR)
1418 return POLLIN|POLLRDNORM;
1419 return 0;
1420}
1421
1422static int video_release(struct inode *inode, struct file *file)
1423{
1424 struct saa7134_fh *fh = file->private_data;
1425 struct saa7134_dev *dev = fh->dev;
1426 unsigned long flags;
1427
1428
1429 if (res_check(fh, RESOURCE_OVERLAY)) {
1430 spin_lock_irqsave(&dev->slock,flags);
1431 stop_preview(dev,fh);
1432 spin_unlock_irqrestore(&dev->slock,flags);
1433 res_free(dev,fh,RESOURCE_OVERLAY);
1434 }
1435
1436
1437 if (res_check(fh, RESOURCE_VIDEO)) {
1438 videobuf_streamoff(&fh->cap);
1439 res_free(dev,fh,RESOURCE_VIDEO);
1440 }
1441 if (fh->cap.read_buf) {
1442 buffer_release(&fh->cap,fh->cap.read_buf);
1443 kfree(fh->cap.read_buf);
1444 }
1445
1446
1447 if (res_check(fh, RESOURCE_VBI)) {
1448 videobuf_stop(&fh->vbi);
1449 res_free(dev,fh,RESOURCE_VBI);
1450 }
1451
1452
1453 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1454 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1455 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1456 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1457
1458 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1459
1460
1461 videobuf_mmap_free(&fh->cap);
1462 videobuf_mmap_free(&fh->vbi);
1463 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1464 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1465
1466 v4l2_prio_close(&dev->prio,&fh->prio);
1467 file->private_data = NULL;
1468 kfree(fh);
1469 return 0;
1470}
1471
1472static int video_mmap(struct file *file, struct vm_area_struct * vma)
1473{
1474 struct saa7134_fh *fh = file->private_data;
1475
1476 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1477}
1478
1479
1480
1481static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1482{
1483 struct saa7134_tvnorm *norm = dev->tvnorm;
1484
1485 f->fmt.vbi.sampling_rate = 6750000 * 4;
1486 f->fmt.vbi.samples_per_line = 2048 ;
1487 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1488 f->fmt.vbi.offset = 64 * 4;
1489 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1490 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1491 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1492 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1493 f->fmt.vbi.flags = 0;
1494
1495}
1496
1497static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1498 struct v4l2_format *f)
1499{
1500 switch (f->type) {
1501 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1502 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1503 f->fmt.pix.width = fh->width;
1504 f->fmt.pix.height = fh->height;
1505 f->fmt.pix.field = fh->cap.field;
1506 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1507 f->fmt.pix.bytesperline =
1508 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1509 f->fmt.pix.sizeimage =
1510 f->fmt.pix.height * f->fmt.pix.bytesperline;
1511 return 0;
1512 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1513 if (saa7134_no_overlay > 0) {
1514 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1515 return -EINVAL;
1516 }
1517 f->fmt.win = fh->win;
1518 return 0;
1519 case V4L2_BUF_TYPE_VBI_CAPTURE:
1520 saa7134_vbi_fmt(dev,f);
1521 return 0;
1522 default:
1523 return -EINVAL;
1524 }
1525}
1526
1527static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1528 struct v4l2_format *f)
1529{
1530 int err;
1531
1532 switch (f->type) {
1533 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1534 {
1535 struct saa7134_format *fmt;
1536 enum v4l2_field field;
1537 unsigned int maxw, maxh;
1538
1539 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1540 if (NULL == fmt)
1541 return -EINVAL;
1542
1543 field = f->fmt.pix.field;
1544 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1545 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1546
1547 if (V4L2_FIELD_ANY == field) {
1548 field = (f->fmt.pix.height > maxh/2)
1549 ? V4L2_FIELD_INTERLACED
1550 : V4L2_FIELD_BOTTOM;
1551 }
1552 switch (field) {
1553 case V4L2_FIELD_TOP:
1554 case V4L2_FIELD_BOTTOM:
1555 maxh = maxh / 2;
1556 break;
1557 case V4L2_FIELD_INTERLACED:
1558 break;
1559 default:
1560 return -EINVAL;
1561 }
1562
1563 f->fmt.pix.field = field;
1564 if (f->fmt.pix.width < 48)
1565 f->fmt.pix.width = 48;
1566 if (f->fmt.pix.height < 32)
1567 f->fmt.pix.height = 32;
1568 if (f->fmt.pix.width > maxw)
1569 f->fmt.pix.width = maxw;
1570 if (f->fmt.pix.height > maxh)
1571 f->fmt.pix.height = maxh;
1572 f->fmt.pix.width &= ~0x03;
1573 f->fmt.pix.bytesperline =
1574 (f->fmt.pix.width * fmt->depth) >> 3;
1575 f->fmt.pix.sizeimage =
1576 f->fmt.pix.height * f->fmt.pix.bytesperline;
1577
1578 return 0;
1579 }
1580 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1581 if (saa7134_no_overlay > 0) {
1582 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1583 return -EINVAL;
1584 }
1585 err = verify_preview(dev,&f->fmt.win);
1586 if (0 != err)
1587 return err;
1588 return 0;
1589 case V4L2_BUF_TYPE_VBI_CAPTURE:
1590 saa7134_vbi_fmt(dev,f);
1591 return 0;
1592 default:
1593 return -EINVAL;
1594 }
1595}
1596
1597static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1598 struct v4l2_format *f)
1599{
1600 unsigned long flags;
1601 int err;
1602
1603 switch (f->type) {
1604 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1605 err = saa7134_try_fmt(dev,fh,f);
1606 if (0 != err)
1607 return err;
1608
1609 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1610 fh->width = f->fmt.pix.width;
1611 fh->height = f->fmt.pix.height;
1612 fh->cap.field = f->fmt.pix.field;
1613 return 0;
1614 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1615 if (saa7134_no_overlay > 0) {
1616 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1617 return -EINVAL;
1618 }
1619 err = verify_preview(dev,&f->fmt.win);
1620 if (0 != err)
1621 return err;
1622
1623 mutex_lock(&dev->lock);
1624 fh->win = f->fmt.win;
1625 fh->nclips = f->fmt.win.clipcount;
1626 if (fh->nclips > 8)
1627 fh->nclips = 8;
1628 if (copy_from_user(fh->clips,f->fmt.win.clips,
1629 sizeof(struct v4l2_clip)*fh->nclips)) {
1630 mutex_unlock(&dev->lock);
1631 return -EFAULT;
1632 }
1633
1634 if (res_check(fh, RESOURCE_OVERLAY)) {
1635 spin_lock_irqsave(&dev->slock,flags);
1636 stop_preview(dev,fh);
1637 start_preview(dev,fh);
1638 spin_unlock_irqrestore(&dev->slock,flags);
1639 }
1640 mutex_unlock(&dev->lock);
1641 return 0;
1642 case V4L2_BUF_TYPE_VBI_CAPTURE:
1643 saa7134_vbi_fmt(dev,f);
1644 return 0;
1645 default:
1646 return -EINVAL;
1647 }
1648}
1649
1650int saa7134_common_ioctl(struct saa7134_dev *dev,
1651 unsigned int cmd, void *arg)
1652{
1653 int err;
1654
1655 switch (cmd) {
1656 case VIDIOC_QUERYCTRL:
1657 {
1658 const struct v4l2_queryctrl *ctrl;
1659 struct v4l2_queryctrl *c = arg;
1660
1661 if ((c->id < V4L2_CID_BASE ||
1662 c->id >= V4L2_CID_LASTP1) &&
1663 (c->id < V4L2_CID_PRIVATE_BASE ||
1664 c->id >= V4L2_CID_PRIVATE_LASTP1))
1665 return -EINVAL;
1666 ctrl = ctrl_by_id(c->id);
1667 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1668 return 0;
1669 }
1670 case VIDIOC_G_CTRL:
1671 return get_control(dev,arg);
1672 case VIDIOC_S_CTRL:
1673 {
1674 mutex_lock(&dev->lock);
1675 err = set_control(dev,NULL,arg);
1676 mutex_unlock(&dev->lock);
1677 return err;
1678 }
1679
1680 case VIDIOC_ENUMINPUT:
1681 {
1682 struct v4l2_input *i = arg;
1683 unsigned int n;
1684
1685 n = i->index;
1686 if (n >= SAA7134_INPUT_MAX)
1687 return -EINVAL;
1688 if (NULL == card_in(dev,i->index).name)
1689 return -EINVAL;
1690 memset(i,0,sizeof(*i));
1691 i->index = n;
1692 i->type = V4L2_INPUT_TYPE_CAMERA;
1693 strcpy(i->name,card_in(dev,n).name);
1694 if (card_in(dev,n).tv)
1695 i->type = V4L2_INPUT_TYPE_TUNER;
1696 i->audioset = 1;
1697 if (n == dev->ctl_input) {
1698 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1699 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1700
1701 if (0 != (v1 & 0x40))
1702 i->status |= V4L2_IN_ST_NO_H_LOCK;
1703 if (0 != (v2 & 0x40))
1704 i->status |= V4L2_IN_ST_NO_SYNC;
1705 if (0 != (v2 & 0x0e))
1706 i->status |= V4L2_IN_ST_MACROVISION;
1707 }
1708 for (n = 0; n < TVNORMS; n++)
1709 i->std |= tvnorms[n].id;
1710 return 0;
1711 }
1712 case VIDIOC_G_INPUT:
1713 {
1714 int *i = arg;
1715 *i = dev->ctl_input;
1716 return 0;
1717 }
1718 case VIDIOC_S_INPUT:
1719 {
1720 int *i = arg;
1721
1722 if (*i < 0 || *i >= SAA7134_INPUT_MAX)
1723 return -EINVAL;
1724 if (NULL == card_in(dev,*i).name)
1725 return -EINVAL;
1726 mutex_lock(&dev->lock);
1727 video_mux(dev,*i);
1728 mutex_unlock(&dev->lock);
1729 return 0;
1730 }
1731
1732 }
1733 return 0;
1734}
1735EXPORT_SYMBOL(saa7134_common_ioctl);
1736
1737
1738
1739
1740
1741
1742static int video_do_ioctl(struct inode *inode, struct file *file,
1743 unsigned int cmd, void *arg)
1744{
1745 struct saa7134_fh *fh = file->private_data;
1746 struct saa7134_dev *dev = fh->dev;
1747 unsigned long flags;
1748 int err;
1749
1750 if (video_debug > 1)
1751 v4l_print_ioctl(dev->name,cmd);
1752
1753 switch (cmd) {
1754 case VIDIOC_S_CTRL:
1755 case VIDIOC_S_STD:
1756 case VIDIOC_S_INPUT:
1757 case VIDIOC_S_TUNER:
1758 case VIDIOC_S_FREQUENCY:
1759 err = v4l2_prio_check(&dev->prio,&fh->prio);
1760 if (0 != err)
1761 return err;
1762 }
1763
1764 switch (cmd) {
1765 case VIDIOC_QUERYCAP:
1766 {
1767 struct v4l2_capability *cap = arg;
1768 unsigned int tuner_type = dev->tuner_type;
1769
1770 memset(cap,0,sizeof(*cap));
1771 strcpy(cap->driver, "saa7134");
1772 strlcpy(cap->card, saa7134_boards[dev->board].name,
1773 sizeof(cap->card));
1774 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1775 cap->version = SAA7134_VERSION_CODE;
1776 cap->capabilities =
1777 V4L2_CAP_VIDEO_CAPTURE |
1778 V4L2_CAP_VBI_CAPTURE |
1779 V4L2_CAP_READWRITE |
1780 V4L2_CAP_STREAMING |
1781 V4L2_CAP_TUNER;
1782 if (saa7134_no_overlay <= 0) {
1783 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1784 }
1785
1786 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1787 cap->capabilities &= ~V4L2_CAP_TUNER;
1788
1789 return 0;
1790 }
1791
1792
1793 case VIDIOC_ENUMSTD:
1794 {
1795 struct v4l2_standard *e = arg;
1796 unsigned int i;
1797
1798 i = e->index;
1799 if (i >= TVNORMS)
1800 return -EINVAL;
1801 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1802 tvnorms[e->index].name);
1803 e->index = i;
1804 if (err < 0)
1805 return err;
1806 return 0;
1807 }
1808 case VIDIOC_G_STD:
1809 {
1810 v4l2_std_id *id = arg;
1811
1812 *id = dev->tvnorm->id;
1813 return 0;
1814 }
1815 case VIDIOC_S_STD:
1816 {
1817 v4l2_std_id *id = arg;
1818 unsigned int i;
1819 v4l2_std_id fixup;
1820
1821 for (i = 0; i < TVNORMS; i++)
1822 if (*id == tvnorms[i].id)
1823 break;
1824 if (i == TVNORMS)
1825 for (i = 0; i < TVNORMS; i++)
1826 if (*id & tvnorms[i].id)
1827 break;
1828 if (i == TVNORMS)
1829 return -EINVAL;
1830 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1831 if (secam[0] == 'L' || secam[0] == 'l') {
1832 if (secam[1] == 'C' || secam[1] == 'c')
1833 fixup = V4L2_STD_SECAM_LC;
1834 else
1835 fixup = V4L2_STD_SECAM_L;
1836 } else {
1837 if (secam[0] == 'D' || secam[0] == 'd')
1838 fixup = V4L2_STD_SECAM_DK;
1839 else
1840 fixup = V4L2_STD_SECAM;
1841 }
1842 for (i = 0; i < TVNORMS; i++)
1843 if (fixup == tvnorms[i].id)
1844 break;
1845 }
1846 mutex_lock(&dev->lock);
1847 if (res_check(fh, RESOURCE_OVERLAY)) {
1848 spin_lock_irqsave(&dev->slock,flags);
1849 stop_preview(dev,fh);
1850 spin_unlock_irqrestore(&dev->slock, flags);
1851
1852 set_tvnorm(dev,&tvnorms[i]);
1853
1854 spin_lock_irqsave(&dev->slock, flags);
1855 start_preview(dev,fh);
1856 spin_unlock_irqrestore(&dev->slock,flags);
1857 } else
1858 set_tvnorm(dev,&tvnorms[i]);
1859 saa7134_tvaudio_do_scan(dev);
1860 mutex_unlock(&dev->lock);
1861 return 0;
1862 }
1863
1864 case VIDIOC_CROPCAP:
1865 {
1866 struct v4l2_cropcap *cap = arg;
1867
1868 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1869 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1870 return -EINVAL;
1871 cap->bounds = dev->crop_bounds;
1872 cap->defrect = dev->crop_defrect;
1873 cap->pixelaspect.numerator = 1;
1874 cap->pixelaspect.denominator = 1;
1875 if (dev->tvnorm->id & V4L2_STD_525_60) {
1876 cap->pixelaspect.numerator = 11;
1877 cap->pixelaspect.denominator = 10;
1878 }
1879 if (dev->tvnorm->id & V4L2_STD_625_50) {
1880 cap->pixelaspect.numerator = 54;
1881 cap->pixelaspect.denominator = 59;
1882 }
1883 return 0;
1884 }
1885
1886 case VIDIOC_G_CROP:
1887 {
1888 struct v4l2_crop * crop = arg;
1889
1890 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1891 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1892 return -EINVAL;
1893 crop->c = dev->crop_current;
1894 return 0;
1895 }
1896 case VIDIOC_S_CROP:
1897 {
1898 struct v4l2_crop *crop = arg;
1899 struct v4l2_rect *b = &dev->crop_bounds;
1900
1901 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1902 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1903 return -EINVAL;
1904 if (crop->c.height < 0)
1905 return -EINVAL;
1906 if (crop->c.width < 0)
1907 return -EINVAL;
1908
1909 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1910 return -EBUSY;
1911 if (res_locked(fh->dev,RESOURCE_VIDEO))
1912 return -EBUSY;
1913
1914 if (crop->c.top < b->top)
1915 crop->c.top = b->top;
1916 if (crop->c.top > b->top + b->height)
1917 crop->c.top = b->top + b->height;
1918 if (crop->c.height > b->top - crop->c.top + b->height)
1919 crop->c.height = b->top - crop->c.top + b->height;
1920
1921 if (crop->c.left < b->left)
1922 crop->c.left = b->left;
1923 if (crop->c.left > b->left + b->width)
1924 crop->c.left = b->left + b->width;
1925 if (crop->c.width > b->left - crop->c.left + b->width)
1926 crop->c.width = b->left - crop->c.left + b->width;
1927
1928 dev->crop_current = crop->c;
1929 return 0;
1930 }
1931
1932
1933 case VIDIOC_G_TUNER:
1934 {
1935 struct v4l2_tuner *t = arg;
1936 int n;
1937
1938 if (0 != t->index)
1939 return -EINVAL;
1940 memset(t,0,sizeof(*t));
1941 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1942 if (card_in(dev,n).tv)
1943 break;
1944 if (NULL != card_in(dev,n).name) {
1945 strcpy(t->name, "Television");
1946 t->type = V4L2_TUNER_ANALOG_TV;
1947 t->capability = V4L2_TUNER_CAP_NORM |
1948 V4L2_TUNER_CAP_STEREO |
1949 V4L2_TUNER_CAP_LANG1 |
1950 V4L2_TUNER_CAP_LANG2;
1951 t->rangehigh = 0xffffffffUL;
1952 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1953 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1954 }
1955 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1956 t->signal = 0xffff;
1957 return 0;
1958 }
1959 case VIDIOC_S_TUNER:
1960 {
1961 struct v4l2_tuner *t = arg;
1962 int rx,mode;
1963
1964 mode = dev->thread.mode;
1965 if (UNSET == mode) {
1966 rx = saa7134_tvaudio_getstereo(dev);
1967 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1968 }
1969 if (mode != t->audmode) {
1970 dev->thread.mode = t->audmode;
1971 }
1972 return 0;
1973 }
1974 case VIDIOC_G_FREQUENCY:
1975 {
1976 struct v4l2_frequency *f = arg;
1977
1978 memset(f,0,sizeof(*f));
1979 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1980 f->frequency = dev->ctl_freq;
1981 return 0;
1982 }
1983 case VIDIOC_S_FREQUENCY:
1984 {
1985 struct v4l2_frequency *f = arg;
1986
1987 if (0 != f->tuner)
1988 return -EINVAL;
1989 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1990 return -EINVAL;
1991 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1992 return -EINVAL;
1993 mutex_lock(&dev->lock);
1994 dev->ctl_freq = f->frequency;
1995
1996 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1997
1998 saa7134_tvaudio_do_scan(dev);
1999 mutex_unlock(&dev->lock);
2000 return 0;
2001 }
2002
2003
2004 case VIDIOC_ENUMINPUT:
2005 case VIDIOC_G_INPUT:
2006 case VIDIOC_S_INPUT:
2007 case VIDIOC_QUERYCTRL:
2008 case VIDIOC_G_CTRL:
2009 case VIDIOC_S_CTRL:
2010 return saa7134_common_ioctl(dev, cmd, arg);
2011
2012 case VIDIOC_G_AUDIO:
2013 {
2014 struct v4l2_audio *a = arg;
2015
2016 memset(a,0,sizeof(*a));
2017 strcpy(a->name,"audio");
2018 return 0;
2019 }
2020 case VIDIOC_S_AUDIO:
2021 return 0;
2022 case VIDIOC_G_PARM:
2023 {
2024 struct v4l2_captureparm *parm = arg;
2025 memset(parm,0,sizeof(*parm));
2026 return 0;
2027 }
2028
2029 case VIDIOC_G_PRIORITY:
2030 {
2031 enum v4l2_priority *p = arg;
2032
2033 *p = v4l2_prio_max(&dev->prio);
2034 return 0;
2035 }
2036 case VIDIOC_S_PRIORITY:
2037 {
2038 enum v4l2_priority *prio = arg;
2039
2040 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
2041 }
2042
2043
2044 case VIDIOC_ENUM_FMT:
2045 {
2046 struct v4l2_fmtdesc *f = arg;
2047 enum v4l2_buf_type type;
2048 unsigned int index;
2049
2050 index = f->index;
2051 type = f->type;
2052 switch (type) {
2053 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2054 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
2055 if (saa7134_no_overlay > 0) {
2056 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2057 return -EINVAL;
2058 }
2059 if (index >= FORMATS)
2060 return -EINVAL;
2061 if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
2062 formats[index].planar)
2063 return -EINVAL;
2064 memset(f,0,sizeof(*f));
2065 f->index = index;
2066 f->type = type;
2067 strlcpy(f->description,formats[index].name,sizeof(f->description));
2068 f->pixelformat = formats[index].fourcc;
2069 break;
2070 case V4L2_BUF_TYPE_VBI_CAPTURE:
2071 if (0 != index)
2072 return -EINVAL;
2073 memset(f,0,sizeof(*f));
2074 f->index = index;
2075 f->type = type;
2076 f->pixelformat = V4L2_PIX_FMT_GREY;
2077 strcpy(f->description,"vbi data");
2078 break;
2079 default:
2080 return -EINVAL;
2081 }
2082 return 0;
2083 }
2084 case VIDIOC_G_FBUF:
2085 {
2086 struct v4l2_framebuffer *fb = arg;
2087
2088 *fb = dev->ovbuf;
2089 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2090 return 0;
2091 }
2092 case VIDIOC_S_FBUF:
2093 {
2094 struct v4l2_framebuffer *fb = arg;
2095 struct saa7134_format *fmt;
2096
2097 if(!capable(CAP_SYS_ADMIN) &&
2098 !capable(CAP_SYS_RAWIO))
2099 return -EPERM;
2100
2101
2102 fmt = format_by_fourcc(fb->fmt.pixelformat);
2103 if (NULL == fmt)
2104 return -EINVAL;
2105
2106
2107 dev->ovbuf = *fb;
2108 dev->ovfmt = fmt;
2109 if (0 == dev->ovbuf.fmt.bytesperline)
2110 dev->ovbuf.fmt.bytesperline =
2111 dev->ovbuf.fmt.width*fmt->depth/8;
2112 return 0;
2113 }
2114 case VIDIOC_OVERLAY:
2115 {
2116 int *on = arg;
2117
2118 if (*on) {
2119 if (saa7134_no_overlay > 0) {
2120 printk ("no_overlay\n");
2121 return -EINVAL;
2122 }
2123
2124 if (!res_get(dev,fh,RESOURCE_OVERLAY))
2125 return -EBUSY;
2126 spin_lock_irqsave(&dev->slock,flags);
2127 start_preview(dev,fh);
2128 spin_unlock_irqrestore(&dev->slock,flags);
2129 }
2130 if (!*on) {
2131 if (!res_check(fh, RESOURCE_OVERLAY))
2132 return -EINVAL;
2133 spin_lock_irqsave(&dev->slock,flags);
2134 stop_preview(dev,fh);
2135 spin_unlock_irqrestore(&dev->slock,flags);
2136 res_free(dev,fh,RESOURCE_OVERLAY);
2137 }
2138 return 0;
2139 }
2140
2141
2142 case VIDIOC_G_FMT:
2143 {
2144 struct v4l2_format *f = arg;
2145 return saa7134_g_fmt(dev,fh,f);
2146 }
2147 case VIDIOC_S_FMT:
2148 {
2149 struct v4l2_format *f = arg;
2150 return saa7134_s_fmt(dev,fh,f);
2151 }
2152 case VIDIOC_TRY_FMT:
2153 {
2154 struct v4l2_format *f = arg;
2155 return saa7134_try_fmt(dev,fh,f);
2156 }
2157#ifdef CONFIG_VIDEO_V4L1_COMPAT
2158 case VIDIOCGMBUF:
2159 return videobuf_cgmbuf(saa7134_queue(fh), arg, gbuffers);
2160#endif
2161 case VIDIOC_REQBUFS:
2162 return videobuf_reqbufs(saa7134_queue(fh),arg);
2163
2164 case VIDIOC_QUERYBUF:
2165 return videobuf_querybuf(saa7134_queue(fh),arg);
2166
2167 case VIDIOC_QBUF:
2168 return videobuf_qbuf(saa7134_queue(fh),arg);
2169
2170 case VIDIOC_DQBUF:
2171 return videobuf_dqbuf(saa7134_queue(fh),arg,
2172 file->f_flags & O_NONBLOCK);
2173
2174 case VIDIOC_STREAMON:
2175 {
2176 int res = saa7134_resource(fh);
2177
2178 if (!res_get(dev,fh,res))
2179 return -EBUSY;
2180 return videobuf_streamon(saa7134_queue(fh));
2181 }
2182 case VIDIOC_STREAMOFF:
2183 {
2184 int res = saa7134_resource(fh);
2185
2186 err = videobuf_streamoff(saa7134_queue(fh));
2187 if (err < 0)
2188 return err;
2189 res_free(dev,fh,res);
2190 return 0;
2191 }
2192
2193 default:
2194 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2195 video_do_ioctl);
2196 }
2197 return 0;
2198}
2199
2200static int video_ioctl(struct inode *inode, struct file *file,
2201 unsigned int cmd, unsigned long arg)
2202{
2203 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2204}
2205
2206static int radio_do_ioctl(struct inode *inode, struct file *file,
2207 unsigned int cmd, void *arg)
2208{
2209 struct saa7134_fh *fh = file->private_data;
2210 struct saa7134_dev *dev = fh->dev;
2211
2212 if (video_debug > 1)
2213 v4l_print_ioctl(dev->name,cmd);
2214 switch (cmd) {
2215 case VIDIOC_QUERYCAP:
2216 {
2217 struct v4l2_capability *cap = arg;
2218
2219 memset(cap,0,sizeof(*cap));
2220 strcpy(cap->driver, "saa7134");
2221 strlcpy(cap->card, saa7134_boards[dev->board].name,
2222 sizeof(cap->card));
2223 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2224 cap->version = SAA7134_VERSION_CODE;
2225 cap->capabilities = V4L2_CAP_TUNER;
2226 return 0;
2227 }
2228 case VIDIOC_G_TUNER:
2229 {
2230 struct v4l2_tuner *t = arg;
2231
2232 if (0 != t->index)
2233 return -EINVAL;
2234
2235 memset(t,0,sizeof(*t));
2236 strcpy(t->name, "Radio");
2237 t->type = V4L2_TUNER_RADIO;
2238
2239 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2240 if (dev->input->amux == TV) {
2241 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2242 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2243 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2244 }
2245 return 0;
2246 }
2247 case VIDIOC_S_TUNER:
2248 {
2249 struct v4l2_tuner *t = arg;
2250
2251 if (0 != t->index)
2252 return -EINVAL;
2253
2254 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2255
2256 return 0;
2257 }
2258 case VIDIOC_ENUMINPUT:
2259 {
2260 struct v4l2_input *i = arg;
2261
2262 if (i->index != 0)
2263 return -EINVAL;
2264 strcpy(i->name,"Radio");
2265 i->type = V4L2_INPUT_TYPE_TUNER;
2266 return 0;
2267 }
2268 case VIDIOC_G_INPUT:
2269 {
2270 int *i = arg;
2271 *i = 0;
2272 return 0;
2273 }
2274 case VIDIOC_G_AUDIO:
2275 {
2276 struct v4l2_audio *a = arg;
2277
2278 memset(a,0,sizeof(*a));
2279 strcpy(a->name,"Radio");
2280 return 0;
2281 }
2282 case VIDIOC_G_STD:
2283 {
2284 v4l2_std_id *id = arg;
2285 *id = 0;
2286 return 0;
2287 }
2288 case VIDIOC_S_AUDIO:
2289 case VIDIOC_S_INPUT:
2290 case VIDIOC_S_STD:
2291 return 0;
2292
2293 case VIDIOC_QUERYCTRL:
2294 {
2295 const struct v4l2_queryctrl *ctrl;
2296 struct v4l2_queryctrl *c = arg;
2297
2298 if (c->id < V4L2_CID_BASE ||
2299 c->id >= V4L2_CID_LASTP1)
2300 return -EINVAL;
2301 if (c->id == V4L2_CID_AUDIO_MUTE) {
2302 ctrl = ctrl_by_id(c->id);
2303 *c = *ctrl;
2304 } else
2305 *c = no_ctrl;
2306 return 0;
2307 }
2308
2309 case VIDIOC_G_CTRL:
2310 case VIDIOC_S_CTRL:
2311 case VIDIOC_G_FREQUENCY:
2312 case VIDIOC_S_FREQUENCY:
2313 return video_do_ioctl(inode,file,cmd,arg);
2314
2315 default:
2316 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2317 radio_do_ioctl);
2318 }
2319 return 0;
2320}
2321
2322static int radio_ioctl(struct inode *inode, struct file *file,
2323 unsigned int cmd, unsigned long arg)
2324{
2325 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2326}
2327
2328static const struct file_operations video_fops =
2329{
2330 .owner = THIS_MODULE,
2331 .open = video_open,
2332 .release = video_release,
2333 .read = video_read,
2334 .poll = video_poll,
2335 .mmap = video_mmap,
2336 .ioctl = video_ioctl,
2337 .compat_ioctl = v4l_compat_ioctl32,
2338 .llseek = no_llseek,
2339};
2340
2341static const struct file_operations radio_fops =
2342{
2343 .owner = THIS_MODULE,
2344 .open = video_open,
2345 .release = video_release,
2346 .ioctl = radio_ioctl,
2347 .compat_ioctl = v4l_compat_ioctl32,
2348 .llseek = no_llseek,
2349};
2350
2351
2352
2353
2354struct video_device saa7134_video_template =
2355{
2356 .name = "saa7134-video",
2357 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
2358 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2359 .fops = &video_fops,
2360 .minor = -1,
2361};
2362
2363struct video_device saa7134_vbi_template =
2364{
2365 .name = "saa7134-vbi",
2366 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2367 .fops = &video_fops,
2368 .minor = -1,
2369};
2370
2371struct video_device saa7134_radio_template =
2372{
2373 .name = "saa7134-radio",
2374 .type = VID_TYPE_TUNER,
2375 .fops = &radio_fops,
2376 .minor = -1,
2377};
2378
2379int saa7134_video_init1(struct saa7134_dev *dev)
2380{
2381
2382 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2383 gbuffers = 2;
2384 if (gbufsize < 0 || gbufsize > gbufsize_max)
2385 gbufsize = gbufsize_max;
2386 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2387
2388
2389 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2390 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2391 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2392 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2393 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2394 dev->ctl_mute = 1;
2395 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2396 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2397
2398 if (dev->tda9887_conf && dev->ctl_automute)
2399 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2400 dev->automute = 0;
2401
2402 INIT_LIST_HEAD(&dev->video_q.queue);
2403 init_timer(&dev->video_q.timeout);
2404 dev->video_q.timeout.function = saa7134_buffer_timeout;
2405 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2406 dev->video_q.dev = dev;
2407
2408 if (saa7134_boards[dev->board].video_out)
2409 saa7134_videoport_init(dev);
2410
2411 return 0;
2412}
2413
2414int saa7134_videoport_init(struct saa7134_dev *dev)
2415{
2416
2417 int vo = saa7134_boards[dev->board].video_out;
2418 int video_reg;
2419 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2420 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2421 video_reg = video_out[vo][1];
2422 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2423 video_reg &= ~VP_T_CODE_P_INVERTED;
2424 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2425 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2426 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2427 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2428 video_reg = video_out[vo][5];
2429 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2430 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2431 if (vid_port_opts & SET_CLOCK_INVERTED)
2432 video_reg |= VP_CLK_CTRL1_INVERTED;
2433 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2434 video_reg = video_out[vo][6];
2435 if (vid_port_opts & SET_VSYNC_OFF) {
2436 video_reg &= ~VP_VS_TYPE_MASK;
2437 video_reg |= VP_VS_TYPE_OFF;
2438 }
2439 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2440 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2441 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2442
2443 return 0;
2444}
2445
2446int saa7134_video_init2(struct saa7134_dev *dev)
2447{
2448
2449 set_tvnorm(dev,&tvnorms[0]);
2450 video_mux(dev,0);
2451 saa7134_tvaudio_setmute(dev);
2452 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2453 return 0;
2454}
2455
2456void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2457{
2458 static const char *st[] = {
2459 "(no signal)", "NTSC", "PAL", "SECAM" };
2460 u32 st1,st2;
2461
2462 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2463 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2464 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2465 (st1 & 0x40) ? "not locked" : "locked",
2466 (st2 & 0x40) ? "no" : "yes",
2467 st[st1 & 0x03]);
2468 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2469
2470 if (dev->nosignal) {
2471
2472 if (dev->ctl_automute)
2473 dev->automute = 1;
2474 saa7134_tvaudio_setmute(dev);
2475 } else {
2476
2477 saa7134_tvaudio_do_scan(dev);
2478 }
2479
2480 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2481 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2482 else
2483 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2484
2485 if (dev->mops && dev->mops->signal_change)
2486 dev->mops->signal_change(dev);
2487}
2488
2489
2490void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2491{
2492 enum v4l2_field field;
2493
2494 spin_lock(&dev->slock);
2495 if (dev->video_q.curr) {
2496 dev->video_fieldcount++;
2497 field = dev->video_q.curr->vb.field;
2498 if (V4L2_FIELD_HAS_BOTH(field)) {
2499
2500 if ((status & 0x10) == 0x00) {
2501 dev->video_q.curr->top_seen = 1;
2502 goto done;
2503 }
2504 if (!dev->video_q.curr->top_seen)
2505 goto done;
2506 } else if (field == V4L2_FIELD_TOP) {
2507 if ((status & 0x10) != 0x10)
2508 goto done;
2509 } else if (field == V4L2_FIELD_BOTTOM) {
2510 if ((status & 0x10) != 0x00)
2511 goto done;
2512 }
2513 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2514 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2515 }
2516 saa7134_buffer_next(dev,&dev->video_q);
2517
2518 done:
2519 spin_unlock(&dev->slock);
2520}
2521
2522
2523
2524
2525
2526
2527
2528
