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Merge branches 'release', 'misc' and 'misc-2.6.25' into release
[mirror_ubuntu-bionic-kernel.git] / drivers / media / video / saa7134 / saa7134-video.c
1 /*
2 *
3 * device driver for philips saa7134 based TV cards
4 * video4linux video interface
5 *
6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 /* Include V4L1 specific functions. Should be removed soon */
36 #include <linux/videodev.h>
37 #endif
38
39 /* ------------------------------------------------------------------ */
40
41 unsigned int video_debug;
42 static unsigned int gbuffers = 8;
43 static unsigned int noninterlaced = 0;
44 static unsigned int gbufsize = 720*576*4;
45 static unsigned int gbufsize_max = 720*576*4;
46 static char secam[] = "--";
47 module_param(video_debug, int, 0644);
48 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
49 module_param(gbuffers, int, 0444);
50 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
51 module_param(noninterlaced, int, 0644);
52 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
53 module_param_string(secam, secam, sizeof(secam), 0644);
54 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
55
56
57 #define dprintk(fmt, arg...) if (video_debug&0x04) \
58 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
59
60 /* ------------------------------------------------------------------ */
61 /* Defines for Video Output Port Register at address 0x191 */
62
63 /* Bit 0: VIP code T bit polarity */
64
65 #define VP_T_CODE_P_NON_INVERTED 0x00
66 #define VP_T_CODE_P_INVERTED 0x01
67
68 /* ------------------------------------------------------------------ */
69 /* Defines for Video Output Port Register at address 0x195 */
70
71 /* Bit 2: Video output clock delay control */
72
73 #define VP_CLK_CTRL2_NOT_DELAYED 0x00
74 #define VP_CLK_CTRL2_DELAYED 0x04
75
76 /* Bit 1: Video output clock invert control */
77
78 #define VP_CLK_CTRL1_NON_INVERTED 0x00
79 #define VP_CLK_CTRL1_INVERTED 0x02
80
81 /* ------------------------------------------------------------------ */
82 /* Defines for Video Output Port Register at address 0x196 */
83
84 /* Bits 2 to 0: VSYNC pin video vertical sync type */
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 /* data structs for video */
99
100 static int video_out[][9] = {
101 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
102 };
103
104 static 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
220 static struct saa7134_tvnorm tvnorms[] = {
221 {
222 .name = "PAL", /* autodetect */
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
382 static const struct v4l2_queryctrl no_ctrl = {
383 .name = "42",
384 .flags = V4L2_CTRL_FLAG_DISABLED,
385 };
386 static const struct v4l2_queryctrl video_ctrls[] = {
387 /* --- video --- */
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 /* --- audio --- */
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 /* --- private --- */
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 };
473 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
474
475 static 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
485 static 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 /* resource management */
497
498 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
499 {
500 if (fh->resources & bit)
501 /* have it already allocated */
502 return 1;
503
504 /* is it free? */
505 mutex_lock(&dev->lock);
506 if (dev->resources & bit) {
507 /* no, someone else uses it */
508 mutex_unlock(&dev->lock);
509 return 0;
510 }
511 /* it's free, grab it */
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
519 static int res_check(struct saa7134_fh *fh, unsigned int bit)
520 {
521 return (fh->resources & bit);
522 }
523
524 static int res_locked(struct saa7134_dev *dev, unsigned int bit)
525 {
526 return (dev->resources & bit);
527 }
528
529 static
530 void 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
543 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
544 {
545 dprintk("set tv norm = %s\n",norm->name);
546 dev->tvnorm = norm;
547
548 /* setup cropping */
549 dev->crop_bounds.left = norm->h_start;
550 dev->crop_defrect.left = norm->h_start;
551 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
552 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
553
554 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
555 dev->crop_defrect.top = norm->video_v_start*2;
556 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
557 - dev->crop_bounds.top;
558 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
559
560 dev->crop_current = dev->crop_defrect;
561
562 saa7134_set_tvnorm_hw(dev);
563 }
564
565 static void video_mux(struct saa7134_dev *dev, int input)
566 {
567 dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
568 dev->ctl_input = input;
569 set_tvnorm(dev, dev->tvnorm);
570 saa7134_tvaudio_setinput(dev, &card_in(dev, input));
571 }
572
573
574 static void saa7134_set_decoder(struct saa7134_dev *dev)
575 {
576 int luma_control, sync_control, mux;
577
578 struct saa7134_tvnorm *norm = dev->tvnorm;
579 mux = card_in(dev, dev->ctl_input).vmux;
580
581 luma_control = norm->luma_control;
582 sync_control = norm->sync_control;
583
584 if (mux > 5)
585 luma_control |= 0x80; /* svideo */
586 if (noninterlaced || dev->nosignal)
587 sync_control |= 0x20;
588
589 /* setup video decoder */
590 saa_writeb(SAA7134_INCR_DELAY, 0x08);
591 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
592 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
593
594 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
595 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
596 saa_writeb(SAA7134_HSYNC_START, 0xeb);
597 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
598 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
599
600 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
601 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
602 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
603
604 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
605 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
606
607 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
608 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
609
610 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
611 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
612 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
613
614 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
615 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
616
617 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
618 saa_writeb(SAA7134_VGATE_START, 0x11);
619 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
620 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
621 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
622 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
623 }
624
625 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
626 {
627 saa7134_set_decoder(dev);
628
629 if (card_in(dev, dev->ctl_input).tv) {
630 if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
631 && ((card(dev).tuner_config == 1)
632 || (card(dev).tuner_config == 2)))
633 saa7134_set_gpio(dev, 22, 5);
634 saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id);
635 }
636 }
637
638 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
639 {
640 static const struct {
641 int xpsc;
642 int xacl;
643 int xc2_1;
644 int xdcg;
645 int vpfy;
646 } vals[] = {
647 /* XPSC XACL XC2_1 XDCG VPFY */
648 { 1, 0, 0, 0, 0 },
649 { 2, 2, 1, 2, 2 },
650 { 3, 4, 1, 3, 2 },
651 { 4, 8, 1, 4, 2 },
652 { 5, 8, 1, 4, 2 },
653 { 6, 8, 1, 4, 3 },
654 { 7, 8, 1, 4, 3 },
655 { 8, 15, 0, 4, 3 },
656 { 9, 15, 0, 4, 3 },
657 { 10, 16, 1, 5, 3 },
658 };
659 static const int count = ARRAY_SIZE(vals);
660 int i;
661
662 for (i = 0; i < count; i++)
663 if (vals[i].xpsc == prescale)
664 break;
665 if (i == count)
666 return;
667
668 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
669 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
670 saa_writeb(SAA7134_LEVEL_CTRL(task),
671 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
672 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
673 (vals[i].vpfy << 2) | vals[i].vpfy);
674 }
675
676 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
677 {
678 int val,mirror;
679
680 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
681 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
682
683 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
684 if (yscale < 2048) {
685 /* LPI */
686 dprintk("yscale LPI yscale=%d\n",yscale);
687 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
688 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
689 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
690 } else {
691 /* ACM */
692 val = 0x40 * 1024 / yscale;
693 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
694 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
695 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
696 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
697 }
698 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
699 }
700
701 static void set_size(struct saa7134_dev *dev, int task,
702 int width, int height, int interlace)
703 {
704 int prescale,xscale,yscale,y_even,y_odd;
705 int h_start, h_stop, v_start, v_stop;
706 int div = interlace ? 2 : 1;
707
708 /* setup video scaler */
709 h_start = dev->crop_current.left;
710 v_start = dev->crop_current.top/2;
711 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
712 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
713
714 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
715 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
716 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
717 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
718 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
719 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
720 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
721 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
722
723 prescale = dev->crop_current.width / width;
724 if (0 == prescale)
725 prescale = 1;
726 xscale = 1024 * dev->crop_current.width / prescale / width;
727 yscale = 512 * div * dev->crop_current.height / height;
728 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
729 set_h_prescale(dev,task,prescale);
730 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
731 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
732 set_v_scale(dev,task,yscale);
733
734 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
735 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
736 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
737 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
738
739 /* deinterlace y offsets */
740 y_odd = dev->ctl_y_odd;
741 y_even = dev->ctl_y_even;
742 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
743 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
744 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
745 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
746 }
747
748 /* ------------------------------------------------------------------ */
749
750 struct cliplist {
751 __u16 position;
752 __u8 enable;
753 __u8 disable;
754 };
755
756 static void set_cliplist(struct saa7134_dev *dev, int reg,
757 struct cliplist *cl, int entries, char *name)
758 {
759 __u8 winbits = 0;
760 int i;
761
762 for (i = 0; i < entries; i++) {
763 winbits |= cl[i].enable;
764 winbits &= ~cl[i].disable;
765 if (i < 15 && cl[i].position == cl[i+1].position)
766 continue;
767 saa_writeb(reg + 0, winbits);
768 saa_writeb(reg + 2, cl[i].position & 0xff);
769 saa_writeb(reg + 3, cl[i].position >> 8);
770 dprintk("clip: %s winbits=%02x pos=%d\n",
771 name,winbits,cl[i].position);
772 reg += 8;
773 }
774 for (; reg < 0x400; reg += 8) {
775 saa_writeb(reg+ 0, 0);
776 saa_writeb(reg + 1, 0);
777 saa_writeb(reg + 2, 0);
778 saa_writeb(reg + 3, 0);
779 }
780 }
781
782 static int clip_range(int val)
783 {
784 if (val < 0)
785 val = 0;
786 return val;
787 }
788
789 /* Sort into smallest position first order */
790 static int cliplist_cmp(const void *a, const void *b)
791 {
792 const struct cliplist *cla = a;
793 const struct cliplist *clb = b;
794 if (cla->position < clb->position)
795 return -1;
796 if (cla->position > clb->position)
797 return 1;
798 return 0;
799 }
800
801 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
802 int nclips, int interlace)
803 {
804 struct cliplist col[16], row[16];
805 int cols = 0, rows = 0, i;
806 int div = interlace ? 2 : 1;
807
808 memset(col, 0, sizeof(col));
809 memset(row, 0, sizeof(row));
810 for (i = 0; i < nclips && i < 8; i++) {
811 col[cols].position = clip_range(clips[i].c.left);
812 col[cols].enable = (1 << i);
813 cols++;
814 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
815 col[cols].disable = (1 << i);
816 cols++;
817 row[rows].position = clip_range(clips[i].c.top / div);
818 row[rows].enable = (1 << i);
819 rows++;
820 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
821 / div);
822 row[rows].disable = (1 << i);
823 rows++;
824 }
825 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
826 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
827 set_cliplist(dev,0x380,col,cols,"cols");
828 set_cliplist(dev,0x384,row,rows,"rows");
829 return 0;
830 }
831
832 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
833 {
834 enum v4l2_field field;
835 int maxw, maxh;
836
837 if (NULL == dev->ovbuf.base)
838 return -EINVAL;
839 if (NULL == dev->ovfmt)
840 return -EINVAL;
841 if (win->w.width < 48 || win->w.height < 32)
842 return -EINVAL;
843 if (win->clipcount > 2048)
844 return -EINVAL;
845
846 field = win->field;
847 maxw = dev->crop_current.width;
848 maxh = dev->crop_current.height;
849
850 if (V4L2_FIELD_ANY == field) {
851 field = (win->w.height > maxh/2)
852 ? V4L2_FIELD_INTERLACED
853 : V4L2_FIELD_TOP;
854 }
855 switch (field) {
856 case V4L2_FIELD_TOP:
857 case V4L2_FIELD_BOTTOM:
858 maxh = maxh / 2;
859 break;
860 case V4L2_FIELD_INTERLACED:
861 break;
862 default:
863 return -EINVAL;
864 }
865
866 win->field = field;
867 if (win->w.width > maxw)
868 win->w.width = maxw;
869 if (win->w.height > maxh)
870 win->w.height = maxh;
871 return 0;
872 }
873
874 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
875 {
876 unsigned long base,control,bpl;
877 int err;
878
879 err = verify_preview(dev,&fh->win);
880 if (0 != err)
881 return err;
882
883 dev->ovfield = fh->win.field;
884 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
885 fh->win.w.width,fh->win.w.height,
886 fh->win.w.left,fh->win.w.top,
887 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
888
889 /* setup window + clipping */
890 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
891 V4L2_FIELD_HAS_BOTH(dev->ovfield));
892 setup_clipping(dev,fh->clips,fh->nclips,
893 V4L2_FIELD_HAS_BOTH(dev->ovfield));
894 if (dev->ovfmt->yuv)
895 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
896 else
897 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
898 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
899
900 /* dma: setup channel 1 (= Video Task B) */
901 base = (unsigned long)dev->ovbuf.base;
902 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
903 base += dev->ovfmt->depth/8 * fh->win.w.left;
904 bpl = dev->ovbuf.fmt.bytesperline;
905 control = SAA7134_RS_CONTROL_BURST_16;
906 if (dev->ovfmt->bswap)
907 control |= SAA7134_RS_CONTROL_BSWAP;
908 if (dev->ovfmt->wswap)
909 control |= SAA7134_RS_CONTROL_WSWAP;
910 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
911 saa_writel(SAA7134_RS_BA1(1),base);
912 saa_writel(SAA7134_RS_BA2(1),base+bpl);
913 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
914 saa_writel(SAA7134_RS_CONTROL(1),control);
915 } else {
916 saa_writel(SAA7134_RS_BA1(1),base);
917 saa_writel(SAA7134_RS_BA2(1),base);
918 saa_writel(SAA7134_RS_PITCH(1),bpl);
919 saa_writel(SAA7134_RS_CONTROL(1),control);
920 }
921
922 /* start dma */
923 dev->ovenable = 1;
924 saa7134_set_dmabits(dev);
925
926 return 0;
927 }
928
929 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
930 {
931 dev->ovenable = 0;
932 saa7134_set_dmabits(dev);
933 return 0;
934 }
935
936 /* ------------------------------------------------------------------ */
937
938 static int buffer_activate(struct saa7134_dev *dev,
939 struct saa7134_buf *buf,
940 struct saa7134_buf *next)
941 {
942 unsigned long base,control,bpl;
943 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
944
945 dprintk("buffer_activate buf=%p\n",buf);
946 buf->vb.state = VIDEOBUF_ACTIVE;
947 buf->top_seen = 0;
948
949 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
950 V4L2_FIELD_HAS_BOTH(buf->vb.field));
951 if (buf->fmt->yuv)
952 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
953 else
954 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
955 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
956
957 /* DMA: setup channel 0 (= Video Task A0) */
958 base = saa7134_buffer_base(buf);
959 if (buf->fmt->planar)
960 bpl = buf->vb.width;
961 else
962 bpl = (buf->vb.width * buf->fmt->depth) / 8;
963 control = SAA7134_RS_CONTROL_BURST_16 |
964 SAA7134_RS_CONTROL_ME |
965 (buf->pt->dma >> 12);
966 if (buf->fmt->bswap)
967 control |= SAA7134_RS_CONTROL_BSWAP;
968 if (buf->fmt->wswap)
969 control |= SAA7134_RS_CONTROL_WSWAP;
970 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
971 /* interlaced */
972 saa_writel(SAA7134_RS_BA1(0),base);
973 saa_writel(SAA7134_RS_BA2(0),base+bpl);
974 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
975 } else {
976 /* non-interlaced */
977 saa_writel(SAA7134_RS_BA1(0),base);
978 saa_writel(SAA7134_RS_BA2(0),base);
979 saa_writel(SAA7134_RS_PITCH(0),bpl);
980 }
981 saa_writel(SAA7134_RS_CONTROL(0),control);
982
983 if (buf->fmt->planar) {
984 /* DMA: setup channel 4+5 (= planar task A) */
985 bpl_uv = bpl >> buf->fmt->hshift;
986 lines_uv = buf->vb.height >> buf->fmt->vshift;
987 base2 = base + bpl * buf->vb.height;
988 base3 = base2 + bpl_uv * lines_uv;
989 if (buf->fmt->uvswap)
990 tmp = base2, base2 = base3, base3 = tmp;
991 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
992 bpl_uv,lines_uv,base2,base3);
993 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
994 /* interlaced */
995 saa_writel(SAA7134_RS_BA1(4),base2);
996 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
997 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
998 saa_writel(SAA7134_RS_BA1(5),base3);
999 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
1000 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
1001 } else {
1002 /* non-interlaced */
1003 saa_writel(SAA7134_RS_BA1(4),base2);
1004 saa_writel(SAA7134_RS_BA2(4),base2);
1005 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1006 saa_writel(SAA7134_RS_BA1(5),base3);
1007 saa_writel(SAA7134_RS_BA2(5),base3);
1008 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1009 }
1010 saa_writel(SAA7134_RS_CONTROL(4),control);
1011 saa_writel(SAA7134_RS_CONTROL(5),control);
1012 }
1013
1014 /* start DMA */
1015 saa7134_set_dmabits(dev);
1016 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1017 return 0;
1018 }
1019
1020 static int buffer_prepare(struct videobuf_queue *q,
1021 struct videobuf_buffer *vb,
1022 enum v4l2_field field)
1023 {
1024 struct saa7134_fh *fh = q->priv_data;
1025 struct saa7134_dev *dev = fh->dev;
1026 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1027 unsigned int size;
1028 int err;
1029
1030 /* sanity checks */
1031 if (NULL == fh->fmt)
1032 return -EINVAL;
1033 if (fh->width < 48 ||
1034 fh->height < 32 ||
1035 fh->width/4 > dev->crop_current.width ||
1036 fh->height/4 > dev->crop_current.height ||
1037 fh->width > dev->crop_bounds.width ||
1038 fh->height > dev->crop_bounds.height)
1039 return -EINVAL;
1040 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1041 if (0 != buf->vb.baddr && buf->vb.bsize < size)
1042 return -EINVAL;
1043
1044 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1045 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1046 fh->fmt->name);
1047 if (buf->vb.width != fh->width ||
1048 buf->vb.height != fh->height ||
1049 buf->vb.size != size ||
1050 buf->vb.field != field ||
1051 buf->fmt != fh->fmt) {
1052 saa7134_dma_free(q,buf);
1053 }
1054
1055 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1056 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1057
1058 buf->vb.width = fh->width;
1059 buf->vb.height = fh->height;
1060 buf->vb.size = size;
1061 buf->vb.field = field;
1062 buf->fmt = fh->fmt;
1063 buf->pt = &fh->pt_cap;
1064
1065 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1066 if (err)
1067 goto oops;
1068 err = saa7134_pgtable_build(dev->pci,buf->pt,
1069 dma->sglist,
1070 dma->sglen,
1071 saa7134_buffer_startpage(buf));
1072 if (err)
1073 goto oops;
1074 }
1075 buf->vb.state = VIDEOBUF_PREPARED;
1076 buf->activate = buffer_activate;
1077 return 0;
1078
1079 oops:
1080 saa7134_dma_free(q,buf);
1081 return err;
1082 }
1083
1084 static int
1085 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1086 {
1087 struct saa7134_fh *fh = q->priv_data;
1088
1089 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1090 if (0 == *count)
1091 *count = gbuffers;
1092 *count = saa7134_buffer_count(*size,*count);
1093 return 0;
1094 }
1095
1096 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1097 {
1098 struct saa7134_fh *fh = q->priv_data;
1099 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1100
1101 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1102 }
1103
1104 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1105 {
1106 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1107
1108 saa7134_dma_free(q,buf);
1109 }
1110
1111 static struct videobuf_queue_ops video_qops = {
1112 .buf_setup = buffer_setup,
1113 .buf_prepare = buffer_prepare,
1114 .buf_queue = buffer_queue,
1115 .buf_release = buffer_release,
1116 };
1117
1118 /* ------------------------------------------------------------------ */
1119
1120 int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c)
1121 {
1122 struct saa7134_fh *fh = priv;
1123 struct saa7134_dev *dev = fh->dev;
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 EXPORT_SYMBOL_GPL(saa7134_g_ctrl);
1169
1170 int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c)
1171 {
1172 const struct v4l2_queryctrl* ctrl;
1173 struct saa7134_fh *fh = f;
1174 struct saa7134_dev *dev = fh->dev;
1175 unsigned long flags;
1176 int restart_overlay = 0;
1177 int err = -EINVAL;
1178
1179 err = v4l2_prio_check(&dev->prio, &fh->prio);
1180 if (0 != err)
1181 return err;
1182
1183 mutex_lock(&dev->lock);
1184
1185 ctrl = ctrl_by_id(c->id);
1186 if (NULL == ctrl)
1187 goto error;
1188
1189 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1190 switch (ctrl->type) {
1191 case V4L2_CTRL_TYPE_BOOLEAN:
1192 case V4L2_CTRL_TYPE_MENU:
1193 case V4L2_CTRL_TYPE_INTEGER:
1194 if (c->value < ctrl->minimum)
1195 c->value = ctrl->minimum;
1196 if (c->value > ctrl->maximum)
1197 c->value = ctrl->maximum;
1198 break;
1199 default:
1200 /* nothing */;
1201 };
1202 switch (c->id) {
1203 case V4L2_CID_BRIGHTNESS:
1204 dev->ctl_bright = c->value;
1205 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1206 break;
1207 case V4L2_CID_HUE:
1208 dev->ctl_hue = c->value;
1209 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1210 break;
1211 case V4L2_CID_CONTRAST:
1212 dev->ctl_contrast = c->value;
1213 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1214 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1215 break;
1216 case V4L2_CID_SATURATION:
1217 dev->ctl_saturation = c->value;
1218 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1219 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1220 break;
1221 case V4L2_CID_AUDIO_MUTE:
1222 dev->ctl_mute = c->value;
1223 saa7134_tvaudio_setmute(dev);
1224 break;
1225 case V4L2_CID_AUDIO_VOLUME:
1226 dev->ctl_volume = c->value;
1227 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1228 break;
1229 case V4L2_CID_PRIVATE_INVERT:
1230 dev->ctl_invert = c->value;
1231 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1232 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1233 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1234 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1235 break;
1236 case V4L2_CID_HFLIP:
1237 dev->ctl_mirror = c->value;
1238 restart_overlay = 1;
1239 break;
1240 case V4L2_CID_PRIVATE_Y_EVEN:
1241 dev->ctl_y_even = c->value;
1242 restart_overlay = 1;
1243 break;
1244 case V4L2_CID_PRIVATE_Y_ODD:
1245 dev->ctl_y_odd = c->value;
1246 restart_overlay = 1;
1247 break;
1248 case V4L2_CID_PRIVATE_AUTOMUTE:
1249 {
1250 struct v4l2_priv_tun_config tda9887_cfg;
1251
1252 tda9887_cfg.tuner = TUNER_TDA9887;
1253 tda9887_cfg.priv = &dev->tda9887_conf;
1254
1255 dev->ctl_automute = c->value;
1256 if (dev->tda9887_conf) {
1257 if (dev->ctl_automute)
1258 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1259 else
1260 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1261
1262 saa7134_i2c_call_clients(dev, TUNER_SET_CONFIG,
1263 &tda9887_cfg);
1264 }
1265 break;
1266 }
1267 default:
1268 goto error;
1269 }
1270 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1271 spin_lock_irqsave(&dev->slock,flags);
1272 stop_preview(dev,fh);
1273 start_preview(dev,fh);
1274 spin_unlock_irqrestore(&dev->slock,flags);
1275 }
1276 err = 0;
1277
1278 error:
1279 mutex_unlock(&dev->lock);
1280 return err;
1281 }
1282 EXPORT_SYMBOL_GPL(saa7134_s_ctrl);
1283
1284 /* ------------------------------------------------------------------ */
1285
1286 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1287 {
1288 struct videobuf_queue* q = NULL;
1289
1290 switch (fh->type) {
1291 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1292 q = &fh->cap;
1293 break;
1294 case V4L2_BUF_TYPE_VBI_CAPTURE:
1295 q = &fh->vbi;
1296 break;
1297 default:
1298 BUG();
1299 }
1300 return q;
1301 }
1302
1303 static int saa7134_resource(struct saa7134_fh *fh)
1304 {
1305 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1306 return RESOURCE_VIDEO;
1307
1308 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1309 return RESOURCE_VBI;
1310
1311 BUG();
1312 return 0;
1313 }
1314
1315 static int video_open(struct inode *inode, struct file *file)
1316 {
1317 int minor = iminor(inode);
1318 struct saa7134_dev *dev;
1319 struct saa7134_fh *fh;
1320 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1321 int radio = 0;
1322 list_for_each_entry(dev, &saa7134_devlist, devlist) {
1323 if (dev->video_dev && (dev->video_dev->minor == minor))
1324 goto found;
1325 if (dev->radio_dev && (dev->radio_dev->minor == minor)) {
1326 radio = 1;
1327 goto found;
1328 }
1329 if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) {
1330 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1331 goto found;
1332 }
1333 }
1334 return -ENODEV;
1335 found:
1336
1337 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1338 v4l2_type_names[type]);
1339
1340 /* allocate + initialize per filehandle data */
1341 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1342 if (NULL == fh)
1343 return -ENOMEM;
1344 file->private_data = fh;
1345 fh->dev = dev;
1346 fh->radio = radio;
1347 fh->type = type;
1348 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1349 fh->width = 720;
1350 fh->height = 576;
1351 v4l2_prio_open(&dev->prio,&fh->prio);
1352
1353 videobuf_queue_pci_init(&fh->cap, &video_qops,
1354 dev->pci, &dev->slock,
1355 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1356 V4L2_FIELD_INTERLACED,
1357 sizeof(struct saa7134_buf),
1358 fh);
1359 videobuf_queue_pci_init(&fh->vbi, &saa7134_vbi_qops,
1360 dev->pci, &dev->slock,
1361 V4L2_BUF_TYPE_VBI_CAPTURE,
1362 V4L2_FIELD_SEQ_TB,
1363 sizeof(struct saa7134_buf),
1364 fh);
1365 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1366 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1367
1368 if (fh->radio) {
1369 /* switch to radio mode */
1370 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1371 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1372 } else {
1373 /* switch to video/vbi mode */
1374 video_mux(dev,dev->ctl_input);
1375 }
1376 return 0;
1377 }
1378
1379 static ssize_t
1380 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1381 {
1382 struct saa7134_fh *fh = file->private_data;
1383
1384 switch (fh->type) {
1385 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1386 if (res_locked(fh->dev,RESOURCE_VIDEO))
1387 return -EBUSY;
1388 return videobuf_read_one(saa7134_queue(fh),
1389 data, count, ppos,
1390 file->f_flags & O_NONBLOCK);
1391 case V4L2_BUF_TYPE_VBI_CAPTURE:
1392 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1393 return -EBUSY;
1394 return videobuf_read_stream(saa7134_queue(fh),
1395 data, count, ppos, 1,
1396 file->f_flags & O_NONBLOCK);
1397 break;
1398 default:
1399 BUG();
1400 return 0;
1401 }
1402 }
1403
1404 static unsigned int
1405 video_poll(struct file *file, struct poll_table_struct *wait)
1406 {
1407 struct saa7134_fh *fh = file->private_data;
1408 struct videobuf_buffer *buf = NULL;
1409
1410 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1411 return videobuf_poll_stream(file, &fh->vbi, wait);
1412
1413 if (res_check(fh,RESOURCE_VIDEO)) {
1414 if (!list_empty(&fh->cap.stream))
1415 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1416 } else {
1417 mutex_lock(&fh->cap.lock);
1418 if (UNSET == fh->cap.read_off) {
1419 /* need to capture a new frame */
1420 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1421 mutex_unlock(&fh->cap.lock);
1422 return POLLERR;
1423 }
1424 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1425 mutex_unlock(&fh->cap.lock);
1426 return POLLERR;
1427 }
1428 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1429 fh->cap.read_off = 0;
1430 }
1431 mutex_unlock(&fh->cap.lock);
1432 buf = fh->cap.read_buf;
1433 }
1434
1435 if (!buf)
1436 return POLLERR;
1437
1438 poll_wait(file, &buf->done, wait);
1439 if (buf->state == VIDEOBUF_DONE ||
1440 buf->state == VIDEOBUF_ERROR)
1441 return POLLIN|POLLRDNORM;
1442 return 0;
1443 }
1444
1445 static int video_release(struct inode *inode, struct file *file)
1446 {
1447 struct saa7134_fh *fh = file->private_data;
1448 struct saa7134_dev *dev = fh->dev;
1449 unsigned long flags;
1450
1451 /* turn off overlay */
1452 if (res_check(fh, RESOURCE_OVERLAY)) {
1453 spin_lock_irqsave(&dev->slock,flags);
1454 stop_preview(dev,fh);
1455 spin_unlock_irqrestore(&dev->slock,flags);
1456 res_free(dev,fh,RESOURCE_OVERLAY);
1457 }
1458
1459 /* stop video capture */
1460 if (res_check(fh, RESOURCE_VIDEO)) {
1461 videobuf_streamoff(&fh->cap);
1462 res_free(dev,fh,RESOURCE_VIDEO);
1463 }
1464 if (fh->cap.read_buf) {
1465 buffer_release(&fh->cap,fh->cap.read_buf);
1466 kfree(fh->cap.read_buf);
1467 }
1468
1469 /* stop vbi capture */
1470 if (res_check(fh, RESOURCE_VBI)) {
1471 videobuf_stop(&fh->vbi);
1472 res_free(dev,fh,RESOURCE_VBI);
1473 }
1474
1475 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1476 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1477 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1478 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1479 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1480
1481 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1482
1483 /* free stuff */
1484 videobuf_mmap_free(&fh->cap);
1485 videobuf_mmap_free(&fh->vbi);
1486 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1487 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1488
1489 v4l2_prio_close(&dev->prio,&fh->prio);
1490 file->private_data = NULL;
1491 kfree(fh);
1492 return 0;
1493 }
1494
1495 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1496 {
1497 struct saa7134_fh *fh = file->private_data;
1498
1499 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1500 }
1501
1502 /* ------------------------------------------------------------------ */
1503
1504 static int saa7134_try_get_set_fmt_vbi(struct file *file, void *priv,
1505 struct v4l2_format *f)
1506 {
1507 struct saa7134_fh *fh = priv;
1508 struct saa7134_dev *dev = fh->dev;
1509 struct saa7134_tvnorm *norm = dev->tvnorm;
1510
1511 f->fmt.vbi.sampling_rate = 6750000 * 4;
1512 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1513 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1514 f->fmt.vbi.offset = 64 * 4;
1515 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1516 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1517 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1518 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1519 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1520
1521 return 0;
1522 }
1523
1524 static int saa7134_g_fmt_cap(struct file *file, void *priv,
1525 struct v4l2_format *f)
1526 {
1527 struct saa7134_fh *fh = priv;
1528
1529 f->fmt.pix.width = fh->width;
1530 f->fmt.pix.height = fh->height;
1531 f->fmt.pix.field = fh->cap.field;
1532 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1533 f->fmt.pix.bytesperline =
1534 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1535 f->fmt.pix.sizeimage =
1536 f->fmt.pix.height * f->fmt.pix.bytesperline;
1537 return 0;
1538 }
1539
1540 static int saa7134_g_fmt_overlay(struct file *file, void *priv,
1541 struct v4l2_format *f)
1542 {
1543 struct saa7134_fh *fh = priv;
1544
1545 if (saa7134_no_overlay > 0) {
1546 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1547 return -EINVAL;
1548 }
1549 f->fmt.win = fh->win;
1550
1551 return 0;
1552 }
1553
1554 static int saa7134_try_fmt_cap(struct file *file, void *priv,
1555 struct v4l2_format *f)
1556 {
1557 struct saa7134_fh *fh = priv;
1558 struct saa7134_dev *dev = fh->dev;
1559 struct saa7134_format *fmt;
1560 enum v4l2_field field;
1561 unsigned int maxw, maxh;
1562
1563 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1564 if (NULL == fmt)
1565 return -EINVAL;
1566
1567 field = f->fmt.pix.field;
1568 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1569 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1570
1571 if (V4L2_FIELD_ANY == field) {
1572 field = (f->fmt.pix.height > maxh/2)
1573 ? V4L2_FIELD_INTERLACED
1574 : V4L2_FIELD_BOTTOM;
1575 }
1576 switch (field) {
1577 case V4L2_FIELD_TOP:
1578 case V4L2_FIELD_BOTTOM:
1579 maxh = maxh / 2;
1580 break;
1581 case V4L2_FIELD_INTERLACED:
1582 break;
1583 default:
1584 return -EINVAL;
1585 }
1586
1587 f->fmt.pix.field = field;
1588 if (f->fmt.pix.width < 48)
1589 f->fmt.pix.width = 48;
1590 if (f->fmt.pix.height < 32)
1591 f->fmt.pix.height = 32;
1592 if (f->fmt.pix.width > maxw)
1593 f->fmt.pix.width = maxw;
1594 if (f->fmt.pix.height > maxh)
1595 f->fmt.pix.height = maxh;
1596 f->fmt.pix.width &= ~0x03;
1597 f->fmt.pix.bytesperline =
1598 (f->fmt.pix.width * fmt->depth) >> 3;
1599 f->fmt.pix.sizeimage =
1600 f->fmt.pix.height * f->fmt.pix.bytesperline;
1601
1602 return 0;
1603 }
1604
1605 static int saa7134_try_fmt_overlay(struct file *file, void *priv,
1606 struct v4l2_format *f)
1607 {
1608 struct saa7134_fh *fh = priv;
1609 struct saa7134_dev *dev = fh->dev;
1610
1611 if (saa7134_no_overlay > 0) {
1612 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1613 return -EINVAL;
1614 }
1615
1616 return verify_preview(dev, &f->fmt.win);
1617 }
1618
1619 static int saa7134_s_fmt_cap(struct file *file, void *priv,
1620 struct v4l2_format *f)
1621 {
1622 struct saa7134_fh *fh = priv;
1623 int err;
1624
1625 err = saa7134_try_fmt_cap(file, priv, f);
1626 if (0 != err)
1627 return err;
1628
1629 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1630 fh->width = f->fmt.pix.width;
1631 fh->height = f->fmt.pix.height;
1632 fh->cap.field = f->fmt.pix.field;
1633 return 0;
1634 }
1635
1636 static int saa7134_s_fmt_overlay(struct file *file, void *priv,
1637 struct v4l2_format *f)
1638 {
1639 struct saa7134_fh *fh = priv;
1640 struct saa7134_dev *dev = fh->dev;
1641 int err;
1642 unsigned int flags;
1643
1644 if (saa7134_no_overlay > 0) {
1645 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1646 return -EINVAL;
1647 }
1648 err = verify_preview(dev, &f->fmt.win);
1649 if (0 != err)
1650 return err;
1651
1652 mutex_lock(&dev->lock);
1653
1654 fh->win = f->fmt.win;
1655 fh->nclips = f->fmt.win.clipcount;
1656
1657 if (fh->nclips > 8)
1658 fh->nclips = 8;
1659
1660 if (copy_from_user(fh->clips, f->fmt.win.clips,
1661 sizeof(struct v4l2_clip)*fh->nclips)) {
1662 mutex_unlock(&dev->lock);
1663 return -EFAULT;
1664 }
1665
1666 if (res_check(fh, RESOURCE_OVERLAY)) {
1667 spin_lock_irqsave(&dev->slock, flags);
1668 stop_preview(dev, fh);
1669 start_preview(dev, fh);
1670 spin_unlock_irqrestore(&dev->slock, flags);
1671 }
1672
1673 mutex_unlock(&dev->lock);
1674 return 0;
1675 }
1676
1677 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c)
1678 {
1679 const struct v4l2_queryctrl *ctrl;
1680
1681 if ((c->id < V4L2_CID_BASE ||
1682 c->id >= V4L2_CID_LASTP1) &&
1683 (c->id < V4L2_CID_PRIVATE_BASE ||
1684 c->id >= V4L2_CID_PRIVATE_LASTP1))
1685 return -EINVAL;
1686 ctrl = ctrl_by_id(c->id);
1687 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1688 return 0;
1689 }
1690 EXPORT_SYMBOL_GPL(saa7134_queryctrl);
1691
1692 static int saa7134_enum_input(struct file *file, void *priv,
1693 struct v4l2_input *i)
1694 {
1695 struct saa7134_fh *fh = priv;
1696 struct saa7134_dev *dev = fh->dev;
1697 unsigned int n;
1698
1699 n = i->index;
1700 if (n >= SAA7134_INPUT_MAX)
1701 return -EINVAL;
1702 if (NULL == card_in(dev, i->index).name)
1703 return -EINVAL;
1704 memset(i, 0, sizeof(*i));
1705 i->index = n;
1706 i->type = V4L2_INPUT_TYPE_CAMERA;
1707 strcpy(i->name, card_in(dev, n).name);
1708 if (card_in(dev, n).tv)
1709 i->type = V4L2_INPUT_TYPE_TUNER;
1710 i->audioset = 1;
1711 if (n == dev->ctl_input) {
1712 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1713 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1714
1715 if (0 != (v1 & 0x40))
1716 i->status |= V4L2_IN_ST_NO_H_LOCK;
1717 if (0 != (v2 & 0x40))
1718 i->status |= V4L2_IN_ST_NO_SYNC;
1719 if (0 != (v2 & 0x0e))
1720 i->status |= V4L2_IN_ST_MACROVISION;
1721 }
1722 i->std = SAA7134_NORMS;
1723 return 0;
1724 }
1725
1726 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1727 {
1728 struct saa7134_fh *fh = priv;
1729 struct saa7134_dev *dev = fh->dev;
1730
1731 *i = dev->ctl_input;
1732 return 0;
1733 }
1734
1735 static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1736 {
1737 struct saa7134_fh *fh = priv;
1738 struct saa7134_dev *dev = fh->dev;
1739 int err;
1740
1741 err = v4l2_prio_check(&dev->prio, &fh->prio);
1742 if (0 != err)
1743 return err;
1744
1745 if (i < 0 || i >= SAA7134_INPUT_MAX)
1746 return -EINVAL;
1747 if (NULL == card_in(dev, i).name)
1748 return -EINVAL;
1749 mutex_lock(&dev->lock);
1750 video_mux(dev, i);
1751 mutex_unlock(&dev->lock);
1752 return 0;
1753 }
1754
1755 static int saa7134_querycap(struct file *file, void *priv,
1756 struct v4l2_capability *cap)
1757 {
1758 struct saa7134_fh *fh = priv;
1759 struct saa7134_dev *dev = fh->dev;
1760
1761 unsigned int tuner_type = dev->tuner_type;
1762
1763 strcpy(cap->driver, "saa7134");
1764 strlcpy(cap->card, saa7134_boards[dev->board].name,
1765 sizeof(cap->card));
1766 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1767 cap->version = SAA7134_VERSION_CODE;
1768 cap->capabilities =
1769 V4L2_CAP_VIDEO_CAPTURE |
1770 V4L2_CAP_VBI_CAPTURE |
1771 V4L2_CAP_READWRITE |
1772 V4L2_CAP_STREAMING |
1773 V4L2_CAP_TUNER;
1774 if (saa7134_no_overlay <= 0)
1775 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1776
1777 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1778 cap->capabilities &= ~V4L2_CAP_TUNER;
1779 return 0;
1780 }
1781
1782 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id)
1783 {
1784 struct saa7134_fh *fh = priv;
1785 struct saa7134_dev *dev = fh->dev;
1786 unsigned long flags;
1787 unsigned int i;
1788 v4l2_std_id fixup;
1789 int err;
1790
1791 err = v4l2_prio_check(&dev->prio, &fh->prio);
1792 if (0 != err)
1793 return err;
1794
1795 for (i = 0; i < TVNORMS; i++)
1796 if (*id == tvnorms[i].id)
1797 break;
1798
1799 if (i == TVNORMS)
1800 for (i = 0; i < TVNORMS; i++)
1801 if (*id & tvnorms[i].id)
1802 break;
1803 if (i == TVNORMS)
1804 return -EINVAL;
1805
1806 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1807 if (secam[0] == 'L' || secam[0] == 'l') {
1808 if (secam[1] == 'C' || secam[1] == 'c')
1809 fixup = V4L2_STD_SECAM_LC;
1810 else
1811 fixup = V4L2_STD_SECAM_L;
1812 } else {
1813 if (secam[0] == 'D' || secam[0] == 'd')
1814 fixup = V4L2_STD_SECAM_DK;
1815 else
1816 fixup = V4L2_STD_SECAM;
1817 }
1818 for (i = 0; i < TVNORMS; i++)
1819 if (fixup == tvnorms[i].id)
1820 break;
1821 }
1822
1823 *id = tvnorms[i].id;
1824
1825 mutex_lock(&dev->lock);
1826 if (res_check(fh, RESOURCE_OVERLAY)) {
1827 spin_lock_irqsave(&dev->slock, flags);
1828 stop_preview(dev, fh);
1829 spin_unlock_irqrestore(&dev->slock, flags);
1830
1831 set_tvnorm(dev, &tvnorms[i]);
1832
1833 spin_lock_irqsave(&dev->slock, flags);
1834 start_preview(dev, fh);
1835 spin_unlock_irqrestore(&dev->slock, flags);
1836 } else
1837 set_tvnorm(dev, &tvnorms[i]);
1838
1839 saa7134_tvaudio_do_scan(dev);
1840 mutex_unlock(&dev->lock);
1841 return 0;
1842 }
1843
1844 static int saa7134_cropcap(struct file *file, void *priv,
1845 struct v4l2_cropcap *cap)
1846 {
1847 struct saa7134_fh *fh = priv;
1848 struct saa7134_dev *dev = fh->dev;
1849
1850 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1851 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1852 return -EINVAL;
1853 cap->bounds = dev->crop_bounds;
1854 cap->defrect = dev->crop_defrect;
1855 cap->pixelaspect.numerator = 1;
1856 cap->pixelaspect.denominator = 1;
1857 if (dev->tvnorm->id & V4L2_STD_525_60) {
1858 cap->pixelaspect.numerator = 11;
1859 cap->pixelaspect.denominator = 10;
1860 }
1861 if (dev->tvnorm->id & V4L2_STD_625_50) {
1862 cap->pixelaspect.numerator = 54;
1863 cap->pixelaspect.denominator = 59;
1864 }
1865 return 0;
1866 }
1867
1868 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1869 {
1870 struct saa7134_fh *fh = f;
1871 struct saa7134_dev *dev = fh->dev;
1872
1873 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1874 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1875 return -EINVAL;
1876 crop->c = dev->crop_current;
1877 return 0;
1878 }
1879
1880 static int saa7134_s_crop(struct file *file, void *f, struct v4l2_crop *crop)
1881 {
1882 struct saa7134_fh *fh = f;
1883 struct saa7134_dev *dev = fh->dev;
1884 struct v4l2_rect *b = &dev->crop_bounds;
1885
1886 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1887 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1888 return -EINVAL;
1889 if (crop->c.height < 0)
1890 return -EINVAL;
1891 if (crop->c.width < 0)
1892 return -EINVAL;
1893
1894 if (res_locked(fh->dev, RESOURCE_OVERLAY))
1895 return -EBUSY;
1896 if (res_locked(fh->dev, RESOURCE_VIDEO))
1897 return -EBUSY;
1898
1899 if (crop->c.top < b->top)
1900 crop->c.top = b->top;
1901 if (crop->c.top > b->top + b->height)
1902 crop->c.top = b->top + b->height;
1903 if (crop->c.height > b->top - crop->c.top + b->height)
1904 crop->c.height = b->top - crop->c.top + b->height;
1905
1906 if (crop->c.left < b->left)
1907 crop->c.left = b->left;
1908 if (crop->c.left > b->left + b->width)
1909 crop->c.left = b->left + b->width;
1910 if (crop->c.width > b->left - crop->c.left + b->width)
1911 crop->c.width = b->left - crop->c.left + b->width;
1912
1913 dev->crop_current = crop->c;
1914 return 0;
1915 }
1916
1917 static int saa7134_g_tuner(struct file *file, void *priv,
1918 struct v4l2_tuner *t)
1919 {
1920 struct saa7134_fh *fh = priv;
1921 struct saa7134_dev *dev = fh->dev;
1922 int n;
1923
1924 if (0 != t->index)
1925 return -EINVAL;
1926 memset(t, 0, sizeof(*t));
1927 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1928 if (card_in(dev, n).tv)
1929 break;
1930 if (NULL != card_in(dev, n).name) {
1931 strcpy(t->name, "Television");
1932 t->type = V4L2_TUNER_ANALOG_TV;
1933 t->capability = V4L2_TUNER_CAP_NORM |
1934 V4L2_TUNER_CAP_STEREO |
1935 V4L2_TUNER_CAP_LANG1 |
1936 V4L2_TUNER_CAP_LANG2;
1937 t->rangehigh = 0xffffffffUL;
1938 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1939 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1940 }
1941 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1942 t->signal = 0xffff;
1943 return 0;
1944 }
1945
1946 static int saa7134_s_tuner(struct file *file, void *priv,
1947 struct v4l2_tuner *t)
1948 {
1949 struct saa7134_fh *fh = priv;
1950 struct saa7134_dev *dev = fh->dev;
1951 int rx, mode, err;
1952
1953 err = v4l2_prio_check(&dev->prio, &fh->prio);
1954 if (0 != err)
1955 return err;
1956
1957 mode = dev->thread.mode;
1958 if (UNSET == mode) {
1959 rx = saa7134_tvaudio_getstereo(dev);
1960 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1961 }
1962 if (mode != t->audmode)
1963 dev->thread.mode = t->audmode;
1964
1965 return 0;
1966 }
1967
1968 static int saa7134_g_frequency(struct file *file, void *priv,
1969 struct v4l2_frequency *f)
1970 {
1971 struct saa7134_fh *fh = priv;
1972 struct saa7134_dev *dev = fh->dev;
1973
1974 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1975 f->frequency = dev->ctl_freq;
1976
1977 return 0;
1978 }
1979
1980 static int saa7134_s_frequency(struct file *file, void *priv,
1981 struct v4l2_frequency *f)
1982 {
1983 struct saa7134_fh *fh = priv;
1984 struct saa7134_dev *dev = fh->dev;
1985 int err;
1986
1987 err = v4l2_prio_check(&dev->prio, &fh->prio);
1988 if (0 != err)
1989 return err;
1990
1991 if (0 != f->tuner)
1992 return -EINVAL;
1993 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1994 return -EINVAL;
1995 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1996 return -EINVAL;
1997 mutex_lock(&dev->lock);
1998 dev->ctl_freq = f->frequency;
1999
2000 saa7134_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
2001
2002 saa7134_tvaudio_do_scan(dev);
2003 mutex_unlock(&dev->lock);
2004 return 0;
2005 }
2006
2007 static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2008 {
2009 strcpy(a->name, "audio");
2010 return 0;
2011 }
2012
2013 static int saa7134_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
2014 {
2015 return 0;
2016 }
2017
2018 static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p)
2019 {
2020 struct saa7134_fh *fh = f;
2021 struct saa7134_dev *dev = fh->dev;
2022
2023 *p = v4l2_prio_max(&dev->prio);
2024 return 0;
2025 }
2026
2027 static int saa7134_s_priority(struct file *file, void *f,
2028 enum v4l2_priority prio)
2029 {
2030 struct saa7134_fh *fh = f;
2031 struct saa7134_dev *dev = fh->dev;
2032
2033 return v4l2_prio_change(&dev->prio, &fh->prio, prio);
2034 }
2035
2036 static int saa7134_enum_fmt_cap(struct file *file, void *priv,
2037 struct v4l2_fmtdesc *f)
2038 {
2039 if (f->index >= FORMATS)
2040 return -EINVAL;
2041
2042 strlcpy(f->description, formats[f->index].name,
2043 sizeof(f->description));
2044
2045 f->pixelformat = formats[f->index].fourcc;
2046
2047 return 0;
2048 }
2049
2050 static int saa7134_enum_fmt_overlay(struct file *file, void *priv,
2051 struct v4l2_fmtdesc *f)
2052 {
2053 if (saa7134_no_overlay > 0) {
2054 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2055 return -EINVAL;
2056 }
2057
2058 if ((f->index >= FORMATS) || formats[f->index].planar)
2059 return -EINVAL;
2060
2061 strlcpy(f->description, formats[f->index].name,
2062 sizeof(f->description));
2063
2064 f->pixelformat = formats[f->index].fourcc;
2065
2066 return 0;
2067 }
2068
2069 static int saa7134_enum_fmt_vbi(struct file *file, void *priv,
2070 struct v4l2_fmtdesc *f)
2071 {
2072 if (0 != f->index)
2073 return -EINVAL;
2074
2075 f->pixelformat = V4L2_PIX_FMT_GREY;
2076 strcpy(f->description, "vbi data");
2077
2078 return 0;
2079 }
2080
2081 static int saa7134_g_fbuf(struct file *file, void *f,
2082 struct v4l2_framebuffer *fb)
2083 {
2084 struct saa7134_fh *fh = f;
2085 struct saa7134_dev *dev = fh->dev;
2086
2087 *fb = dev->ovbuf;
2088 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2089
2090 return 0;
2091 }
2092
2093 static int saa7134_s_fbuf(struct file *file, void *f,
2094 struct v4l2_framebuffer *fb)
2095 {
2096 struct saa7134_fh *fh = f;
2097 struct saa7134_dev *dev = fh->dev;
2098 struct saa7134_format *fmt;
2099
2100 if (!capable(CAP_SYS_ADMIN) &&
2101 !capable(CAP_SYS_RAWIO))
2102 return -EPERM;
2103
2104 /* check args */
2105 fmt = format_by_fourcc(fb->fmt.pixelformat);
2106 if (NULL == fmt)
2107 return -EINVAL;
2108
2109 /* ok, accept it */
2110 dev->ovbuf = *fb;
2111 dev->ovfmt = fmt;
2112 if (0 == dev->ovbuf.fmt.bytesperline)
2113 dev->ovbuf.fmt.bytesperline =
2114 dev->ovbuf.fmt.width*fmt->depth/8;
2115 return 0;
2116 }
2117
2118 static int saa7134_overlay(struct file *file, void *f, unsigned int on)
2119 {
2120 struct saa7134_fh *fh = f;
2121 struct saa7134_dev *dev = fh->dev;
2122 unsigned long flags;
2123
2124 if (on) {
2125 if (saa7134_no_overlay > 0) {
2126 dprintk("no_overlay\n");
2127 return -EINVAL;
2128 }
2129
2130 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2131 return -EBUSY;
2132 spin_lock_irqsave(&dev->slock, flags);
2133 start_preview(dev, fh);
2134 spin_unlock_irqrestore(&dev->slock, flags);
2135 }
2136 if (!on) {
2137 if (!res_check(fh, RESOURCE_OVERLAY))
2138 return -EINVAL;
2139 spin_lock_irqsave(&dev->slock, flags);
2140 stop_preview(dev, fh);
2141 spin_unlock_irqrestore(&dev->slock, flags);
2142 res_free(dev, fh, RESOURCE_OVERLAY);
2143 }
2144 return 0;
2145 }
2146
2147 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2148 static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
2149 {
2150 struct saa7134_fh *fh = file->private_data;
2151 return videobuf_cgmbuf(saa7134_queue(fh), mbuf, 8);
2152 }
2153 #endif
2154
2155 static int saa7134_reqbufs(struct file *file, void *priv,
2156 struct v4l2_requestbuffers *p)
2157 {
2158 struct saa7134_fh *fh = priv;
2159 return videobuf_reqbufs(saa7134_queue(fh), p);
2160 }
2161
2162 static int saa7134_querybuf(struct file *file, void *priv,
2163 struct v4l2_buffer *b)
2164 {
2165 struct saa7134_fh *fh = priv;
2166 return videobuf_querybuf(saa7134_queue(fh), b);
2167 }
2168
2169 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2170 {
2171 struct saa7134_fh *fh = priv;
2172 return videobuf_qbuf(saa7134_queue(fh), b);
2173 }
2174
2175 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2176 {
2177 struct saa7134_fh *fh = priv;
2178 return videobuf_dqbuf(saa7134_queue(fh), b,
2179 file->f_flags & O_NONBLOCK);
2180 }
2181
2182 static int saa7134_streamon(struct file *file, void *priv,
2183 enum v4l2_buf_type type)
2184 {
2185 struct saa7134_fh *fh = priv;
2186 struct saa7134_dev *dev = fh->dev;
2187 int res = saa7134_resource(fh);
2188
2189 if (!res_get(dev, fh, res))
2190 return -EBUSY;
2191
2192 return videobuf_streamon(saa7134_queue(fh));
2193 }
2194
2195 static int saa7134_streamoff(struct file *file, void *priv,
2196 enum v4l2_buf_type type)
2197 {
2198 int err;
2199 struct saa7134_fh *fh = priv;
2200 struct saa7134_dev *dev = fh->dev;
2201 int res = saa7134_resource(fh);
2202
2203 err = videobuf_streamoff(saa7134_queue(fh));
2204 if (err < 0)
2205 return err;
2206 res_free(dev, fh, res);
2207 return 0;
2208 }
2209
2210 static int saa7134_g_parm(struct file *file, void *fh,
2211 struct v4l2_streamparm *parm)
2212 {
2213 return 0;
2214 }
2215
2216 static int radio_querycap(struct file *file, void *priv,
2217 struct v4l2_capability *cap)
2218 {
2219 struct saa7134_fh *fh = file->private_data;
2220 struct saa7134_dev *dev = fh->dev;
2221
2222 strcpy(cap->driver, "saa7134");
2223 strlcpy(cap->card, saa7134_boards[dev->board].name, sizeof(cap->card));
2224 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
2225 cap->version = SAA7134_VERSION_CODE;
2226 cap->capabilities = V4L2_CAP_TUNER;
2227 return 0;
2228 }
2229
2230 static int radio_g_tuner(struct file *file, void *priv,
2231 struct v4l2_tuner *t)
2232 {
2233 struct saa7134_fh *fh = file->private_data;
2234 struct saa7134_dev *dev = fh->dev;
2235
2236 if (0 != t->index)
2237 return -EINVAL;
2238
2239 memset(t, 0, sizeof(*t));
2240 strcpy(t->name, "Radio");
2241 t->type = V4L2_TUNER_RADIO;
2242
2243 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2244 if (dev->input->amux == TV) {
2245 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2246 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2247 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2248 }
2249 return 0;
2250 }
2251 static int radio_s_tuner(struct file *file, void *priv,
2252 struct v4l2_tuner *t)
2253 {
2254 struct saa7134_fh *fh = file->private_data;
2255 struct saa7134_dev *dev = fh->dev;
2256
2257 if (0 != t->index)
2258 return -EINVAL;
2259
2260 saa7134_i2c_call_clients(dev, VIDIOC_S_TUNER, t);
2261 return 0;
2262 }
2263
2264 static int radio_enum_input(struct file *file, void *priv,
2265 struct v4l2_input *i)
2266 {
2267 if (i->index != 0)
2268 return -EINVAL;
2269
2270 strcpy(i->name, "Radio");
2271 i->type = V4L2_INPUT_TYPE_TUNER;
2272
2273 return 0;
2274 }
2275
2276 static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2277 {
2278 *i = 0;
2279 return 0;
2280 }
2281
2282 static int radio_g_audio(struct file *file, void *priv,
2283 struct v4l2_audio *a)
2284 {
2285 memset(a, 0, sizeof(*a));
2286 strcpy(a->name, "Radio");
2287 return 0;
2288 }
2289
2290 static int radio_s_audio(struct file *file, void *priv,
2291 struct v4l2_audio *a)
2292 {
2293 return 0;
2294 }
2295
2296 static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2297 {
2298 return 0;
2299 }
2300
2301 static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm)
2302 {
2303 return 0;
2304 }
2305
2306 static int radio_queryctrl(struct file *file, void *priv,
2307 struct v4l2_queryctrl *c)
2308 {
2309 const struct v4l2_queryctrl *ctrl;
2310
2311 if (c->id < V4L2_CID_BASE ||
2312 c->id >= V4L2_CID_LASTP1)
2313 return -EINVAL;
2314 if (c->id == V4L2_CID_AUDIO_MUTE) {
2315 ctrl = ctrl_by_id(c->id);
2316 *c = *ctrl;
2317 } else
2318 *c = no_ctrl;
2319 return 0;
2320 }
2321
2322 static const struct file_operations video_fops =
2323 {
2324 .owner = THIS_MODULE,
2325 .open = video_open,
2326 .release = video_release,
2327 .read = video_read,
2328 .poll = video_poll,
2329 .mmap = video_mmap,
2330 .ioctl = video_ioctl2,
2331 .compat_ioctl = v4l_compat_ioctl32,
2332 .llseek = no_llseek,
2333 };
2334
2335 static const struct file_operations radio_fops =
2336 {
2337 .owner = THIS_MODULE,
2338 .open = video_open,
2339 .release = video_release,
2340 .ioctl = video_ioctl2,
2341 .compat_ioctl = v4l_compat_ioctl32,
2342 .llseek = no_llseek,
2343 };
2344
2345 /* ----------------------------------------------------------- */
2346 /* exported stuff */
2347
2348 struct video_device saa7134_video_template =
2349 {
2350 .name = "saa7134-video",
2351 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER |
2352 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2353 .fops = &video_fops,
2354 .minor = -1,
2355 .vidioc_querycap = saa7134_querycap,
2356 .vidioc_enum_fmt_cap = saa7134_enum_fmt_cap,
2357 .vidioc_g_fmt_cap = saa7134_g_fmt_cap,
2358 .vidioc_try_fmt_cap = saa7134_try_fmt_cap,
2359 .vidioc_s_fmt_cap = saa7134_s_fmt_cap,
2360 .vidioc_enum_fmt_overlay = saa7134_enum_fmt_overlay,
2361 .vidioc_g_fmt_overlay = saa7134_g_fmt_overlay,
2362 .vidioc_try_fmt_overlay = saa7134_try_fmt_overlay,
2363 .vidioc_s_fmt_overlay = saa7134_s_fmt_overlay,
2364 .vidioc_enum_fmt_vbi = saa7134_enum_fmt_vbi,
2365 .vidioc_g_fmt_vbi = saa7134_try_get_set_fmt_vbi,
2366 .vidioc_try_fmt_vbi = saa7134_try_get_set_fmt_vbi,
2367 .vidioc_s_fmt_vbi = saa7134_try_get_set_fmt_vbi,
2368 .vidioc_g_audio = saa7134_g_audio,
2369 .vidioc_s_audio = saa7134_s_audio,
2370 .vidioc_cropcap = saa7134_cropcap,
2371 .vidioc_reqbufs = saa7134_reqbufs,
2372 .vidioc_querybuf = saa7134_querybuf,
2373 .vidioc_qbuf = saa7134_qbuf,
2374 .vidioc_dqbuf = saa7134_dqbuf,
2375 .vidioc_s_std = saa7134_s_std,
2376 .vidioc_enum_input = saa7134_enum_input,
2377 .vidioc_g_input = saa7134_g_input,
2378 .vidioc_s_input = saa7134_s_input,
2379 .vidioc_queryctrl = saa7134_queryctrl,
2380 .vidioc_g_ctrl = saa7134_g_ctrl,
2381 .vidioc_s_ctrl = saa7134_s_ctrl,
2382 .vidioc_streamon = saa7134_streamon,
2383 .vidioc_streamoff = saa7134_streamoff,
2384 .vidioc_g_tuner = saa7134_g_tuner,
2385 .vidioc_s_tuner = saa7134_s_tuner,
2386 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2387 .vidiocgmbuf = vidiocgmbuf,
2388 #endif
2389 .vidioc_g_crop = saa7134_g_crop,
2390 .vidioc_s_crop = saa7134_s_crop,
2391 .vidioc_g_fbuf = saa7134_g_fbuf,
2392 .vidioc_s_fbuf = saa7134_s_fbuf,
2393 .vidioc_overlay = saa7134_overlay,
2394 .vidioc_g_priority = saa7134_g_priority,
2395 .vidioc_s_priority = saa7134_s_priority,
2396 .vidioc_g_parm = saa7134_g_parm,
2397 .vidioc_g_frequency = saa7134_g_frequency,
2398 .vidioc_s_frequency = saa7134_s_frequency,
2399 .tvnorms = SAA7134_NORMS,
2400 .current_norm = V4L2_STD_PAL,
2401 };
2402
2403 struct video_device saa7134_radio_template =
2404 {
2405 .name = "saa7134-radio",
2406 .type = VID_TYPE_TUNER,
2407 .fops = &radio_fops,
2408 .minor = -1,
2409 .vidioc_querycap = radio_querycap,
2410 .vidioc_g_tuner = radio_g_tuner,
2411 .vidioc_enum_input = radio_enum_input,
2412 .vidioc_g_audio = radio_g_audio,
2413 .vidioc_s_tuner = radio_s_tuner,
2414 .vidioc_s_audio = radio_s_audio,
2415 .vidioc_s_input = radio_s_input,
2416 .vidioc_s_std = radio_s_std,
2417 .vidioc_queryctrl = radio_queryctrl,
2418 .vidioc_g_input = radio_g_input,
2419 .vidioc_g_ctrl = saa7134_g_ctrl,
2420 .vidioc_s_ctrl = saa7134_s_ctrl,
2421 .vidioc_g_frequency = saa7134_g_frequency,
2422 .vidioc_s_frequency = saa7134_s_frequency,
2423 };
2424
2425 int saa7134_video_init1(struct saa7134_dev *dev)
2426 {
2427 /* sanitycheck insmod options */
2428 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2429 gbuffers = 2;
2430 if (gbufsize < 0 || gbufsize > gbufsize_max)
2431 gbufsize = gbufsize_max;
2432 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2433
2434 /* put some sensible defaults into the data structures ... */
2435 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2436 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2437 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2438 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2439 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2440 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2441 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2442 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2443
2444 if (dev->tda9887_conf && dev->ctl_automute)
2445 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2446 dev->automute = 0;
2447
2448 INIT_LIST_HEAD(&dev->video_q.queue);
2449 init_timer(&dev->video_q.timeout);
2450 dev->video_q.timeout.function = saa7134_buffer_timeout;
2451 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2452 dev->video_q.dev = dev;
2453
2454 if (saa7134_boards[dev->board].video_out)
2455 saa7134_videoport_init(dev);
2456
2457 return 0;
2458 }
2459
2460 int saa7134_videoport_init(struct saa7134_dev *dev)
2461 {
2462 /* enable video output */
2463 int vo = saa7134_boards[dev->board].video_out;
2464 int video_reg;
2465 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2466 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2467 video_reg = video_out[vo][1];
2468 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2469 video_reg &= ~VP_T_CODE_P_INVERTED;
2470 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2471 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2472 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2473 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2474 video_reg = video_out[vo][5];
2475 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2476 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2477 if (vid_port_opts & SET_CLOCK_INVERTED)
2478 video_reg |= VP_CLK_CTRL1_INVERTED;
2479 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2480 video_reg = video_out[vo][6];
2481 if (vid_port_opts & SET_VSYNC_OFF) {
2482 video_reg &= ~VP_VS_TYPE_MASK;
2483 video_reg |= VP_VS_TYPE_OFF;
2484 }
2485 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2486 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2487 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2488
2489 return 0;
2490 }
2491
2492 int saa7134_video_init2(struct saa7134_dev *dev)
2493 {
2494 /* init video hw */
2495 set_tvnorm(dev,&tvnorms[0]);
2496 video_mux(dev,0);
2497 saa7134_tvaudio_setmute(dev);
2498 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2499 return 0;
2500 }
2501
2502 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2503 {
2504 static const char *st[] = {
2505 "(no signal)", "NTSC", "PAL", "SECAM" };
2506 u32 st1,st2;
2507
2508 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2509 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2510 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2511 (st1 & 0x40) ? "not locked" : "locked",
2512 (st2 & 0x40) ? "no" : "yes",
2513 st[st1 & 0x03]);
2514 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2515
2516 if (dev->nosignal) {
2517 /* no video signal -> mute audio */
2518 if (dev->ctl_automute)
2519 dev->automute = 1;
2520 saa7134_tvaudio_setmute(dev);
2521 } else {
2522 /* wake up tvaudio audio carrier scan thread */
2523 saa7134_tvaudio_do_scan(dev);
2524 }
2525
2526 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2527 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2528 else
2529 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2530
2531 if (dev->mops && dev->mops->signal_change)
2532 dev->mops->signal_change(dev);
2533 }
2534
2535
2536 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2537 {
2538 enum v4l2_field field;
2539
2540 spin_lock(&dev->slock);
2541 if (dev->video_q.curr) {
2542 dev->video_fieldcount++;
2543 field = dev->video_q.curr->vb.field;
2544 if (V4L2_FIELD_HAS_BOTH(field)) {
2545 /* make sure we have seen both fields */
2546 if ((status & 0x10) == 0x00) {
2547 dev->video_q.curr->top_seen = 1;
2548 goto done;
2549 }
2550 if (!dev->video_q.curr->top_seen)
2551 goto done;
2552 } else if (field == V4L2_FIELD_TOP) {
2553 if ((status & 0x10) != 0x10)
2554 goto done;
2555 } else if (field == V4L2_FIELD_BOTTOM) {
2556 if ((status & 0x10) != 0x00)
2557 goto done;
2558 }
2559 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2560 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2561 }
2562 saa7134_buffer_next(dev,&dev->video_q);
2563
2564 done:
2565 spin_unlock(&dev->slock);
2566 }
2567
2568 /* ----------------------------------------------------------- */
2569 /*
2570 * Local variables:
2571 * c-basic-offset: 8
2572 * End:
2573 */
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