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[linux-rt-nao.git] / drivers / media / video / saa7134 / saa7134-video.c
bloba1f7e351f57234480719c0b297c38ccbf7583cb1
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 saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id);
631 /* Set the correct norm for the saa6752hs. This function
632 does nothing if there is no saa6752hs. */
633 saa7134_i2c_call_saa6752(dev, VIDIOC_S_STD, &dev->tvnorm->id);
634 }
635
636 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
637 {
638 static const struct {
639 int xpsc;
640 int xacl;
641 int xc2_1;
642 int xdcg;
643 int vpfy;
644 } vals[] = {
645 /* XPSC XACL XC2_1 XDCG VPFY */
646 { 1, 0, 0, 0, 0 },
647 { 2, 2, 1, 2, 2 },
648 { 3, 4, 1, 3, 2 },
649 { 4, 8, 1, 4, 2 },
650 { 5, 8, 1, 4, 2 },
651 { 6, 8, 1, 4, 3 },
652 { 7, 8, 1, 4, 3 },
653 { 8, 15, 0, 4, 3 },
654 { 9, 15, 0, 4, 3 },
655 { 10, 16, 1, 5, 3 },
656 };
657 static const int count = ARRAY_SIZE(vals);
658 int i;
659
660 for (i = 0; i < count; i++)
661 if (vals[i].xpsc == prescale)
662 break;
663 if (i == count)
664 return;
665
666 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
667 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
668 saa_writeb(SAA7134_LEVEL_CTRL(task),
669 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
670 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
671 (vals[i].vpfy << 2) | vals[i].vpfy);
672 }
673
674 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
675 {
676 int val,mirror;
677
678 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
679 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
680
681 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
682 if (yscale < 2048) {
683 /* LPI */
684 dprintk("yscale LPI yscale=%d\n",yscale);
685 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
686 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
687 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
688 } else {
689 /* ACM */
690 val = 0x40 * 1024 / yscale;
691 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
692 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
693 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
694 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
695 }
696 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
697 }
698
699 static void set_size(struct saa7134_dev *dev, int task,
700 int width, int height, int interlace)
701 {
702 int prescale,xscale,yscale,y_even,y_odd;
703 int h_start, h_stop, v_start, v_stop;
704 int div = interlace ? 2 : 1;
705
706 /* setup video scaler */
707 h_start = dev->crop_current.left;
708 v_start = dev->crop_current.top/2;
709 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
710 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
711
712 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
713 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
714 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
715 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
716 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
717 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
718 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
719 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
720
721 prescale = dev->crop_current.width / width;
722 if (0 == prescale)
723 prescale = 1;
724 xscale = 1024 * dev->crop_current.width / prescale / width;
725 yscale = 512 * div * dev->crop_current.height / height;
726 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
727 set_h_prescale(dev,task,prescale);
728 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
729 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
730 set_v_scale(dev,task,yscale);
731
732 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
733 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
734 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
735 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
736
737 /* deinterlace y offsets */
738 y_odd = dev->ctl_y_odd;
739 y_even = dev->ctl_y_even;
740 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
741 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
742 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
743 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
744 }
745
746 /* ------------------------------------------------------------------ */
747
748 struct cliplist {
749 __u16 position;
750 __u8 enable;
751 __u8 disable;
752 };
753
754 static void set_cliplist(struct saa7134_dev *dev, int reg,
755 struct cliplist *cl, int entries, char *name)
756 {
757 __u8 winbits = 0;
758 int i;
759
760 for (i = 0; i < entries; i++) {
761 winbits |= cl[i].enable;
762 winbits &= ~cl[i].disable;
763 if (i < 15 && cl[i].position == cl[i+1].position)
764 continue;
765 saa_writeb(reg + 0, winbits);
766 saa_writeb(reg + 2, cl[i].position & 0xff);
767 saa_writeb(reg + 3, cl[i].position >> 8);
768 dprintk("clip: %s winbits=%02x pos=%d\n",
769 name,winbits,cl[i].position);
770 reg += 8;
771 }
772 for (; reg < 0x400; reg += 8) {
773 saa_writeb(reg+ 0, 0);
774 saa_writeb(reg + 1, 0);
775 saa_writeb(reg + 2, 0);
776 saa_writeb(reg + 3, 0);
777 }
778 }
779
780 static int clip_range(int val)
781 {
782 if (val < 0)
783 val = 0;
784 return val;
785 }
786
787 /* Sort into smallest position first order */
788 static int cliplist_cmp(const void *a, const void *b)
789 {
790 const struct cliplist *cla = a;
791 const struct cliplist *clb = b;
792 if (cla->position < clb->position)
793 return -1;
794 if (cla->position > clb->position)
795 return 1;
796 return 0;
797 }
798
799 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
800 int nclips, int interlace)
801 {
802 struct cliplist col[16], row[16];
803 int cols = 0, rows = 0, i;
804 int div = interlace ? 2 : 1;
805
806 memset(col, 0, sizeof(col));
807 memset(row, 0, sizeof(row));
808 for (i = 0; i < nclips && i < 8; i++) {
809 col[cols].position = clip_range(clips[i].c.left);
810 col[cols].enable = (1 << i);
811 cols++;
812 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
813 col[cols].disable = (1 << i);
814 cols++;
815 row[rows].position = clip_range(clips[i].c.top / div);
816 row[rows].enable = (1 << i);
817 rows++;
818 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
819 / div);
820 row[rows].disable = (1 << i);
821 rows++;
822 }
823 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
824 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
825 set_cliplist(dev,0x380,col,cols,"cols");
826 set_cliplist(dev,0x384,row,rows,"rows");
827 return 0;
828 }
829
830 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
831 {
832 enum v4l2_field field;
833 int maxw, maxh;
834
835 if (NULL == dev->ovbuf.base)
836 return -EINVAL;
837 if (NULL == dev->ovfmt)
838 return -EINVAL;
839 if (win->w.width < 48 || win->w.height < 32)
840 return -EINVAL;
841 if (win->clipcount > 2048)
842 return -EINVAL;
843
844 field = win->field;
845 maxw = dev->crop_current.width;
846 maxh = dev->crop_current.height;
847
848 if (V4L2_FIELD_ANY == field) {
849 field = (win->w.height > maxh/2)
850 ? V4L2_FIELD_INTERLACED
851 : V4L2_FIELD_TOP;
852 }
853 switch (field) {
854 case V4L2_FIELD_TOP:
855 case V4L2_FIELD_BOTTOM:
856 maxh = maxh / 2;
857 break;
858 case V4L2_FIELD_INTERLACED:
859 break;
860 default:
861 return -EINVAL;
862 }
863
864 win->field = field;
865 if (win->w.width > maxw)
866 win->w.width = maxw;
867 if (win->w.height > maxh)
868 win->w.height = maxh;
869 return 0;
870 }
871
872 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
873 {
874 unsigned long base,control,bpl;
875 int err;
876
877 err = verify_preview(dev,&fh->win);
878 if (0 != err)
879 return err;
880
881 dev->ovfield = fh->win.field;
882 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
883 fh->win.w.width,fh->win.w.height,
884 fh->win.w.left,fh->win.w.top,
885 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
886
887 /* setup window + clipping */
888 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
889 V4L2_FIELD_HAS_BOTH(dev->ovfield));
890 setup_clipping(dev,fh->clips,fh->nclips,
891 V4L2_FIELD_HAS_BOTH(dev->ovfield));
892 if (dev->ovfmt->yuv)
893 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
894 else
895 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
896 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
897
898 /* dma: setup channel 1 (= Video Task B) */
899 base = (unsigned long)dev->ovbuf.base;
900 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
901 base += dev->ovfmt->depth/8 * fh->win.w.left;
902 bpl = dev->ovbuf.fmt.bytesperline;
903 control = SAA7134_RS_CONTROL_BURST_16;
904 if (dev->ovfmt->bswap)
905 control |= SAA7134_RS_CONTROL_BSWAP;
906 if (dev->ovfmt->wswap)
907 control |= SAA7134_RS_CONTROL_WSWAP;
908 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
909 saa_writel(SAA7134_RS_BA1(1),base);
910 saa_writel(SAA7134_RS_BA2(1),base+bpl);
911 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
912 saa_writel(SAA7134_RS_CONTROL(1),control);
913 } else {
914 saa_writel(SAA7134_RS_BA1(1),base);
915 saa_writel(SAA7134_RS_BA2(1),base);
916 saa_writel(SAA7134_RS_PITCH(1),bpl);
917 saa_writel(SAA7134_RS_CONTROL(1),control);
918 }
919
920 /* start dma */
921 dev->ovenable = 1;
922 saa7134_set_dmabits(dev);
923
924 return 0;
925 }
926
927 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
928 {
929 dev->ovenable = 0;
930 saa7134_set_dmabits(dev);
931 return 0;
932 }
933
934 /* ------------------------------------------------------------------ */
935
936 static int buffer_activate(struct saa7134_dev *dev,
937 struct saa7134_buf *buf,
938 struct saa7134_buf *next)
939 {
940 unsigned long base,control,bpl;
941 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
942
943 dprintk("buffer_activate buf=%p\n",buf);
944 buf->vb.state = VIDEOBUF_ACTIVE;
945 buf->top_seen = 0;
946
947 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
948 V4L2_FIELD_HAS_BOTH(buf->vb.field));
949 if (buf->fmt->yuv)
950 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
951 else
952 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
953 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
954
955 /* DMA: setup channel 0 (= Video Task A0) */
956 base = saa7134_buffer_base(buf);
957 if (buf->fmt->planar)
958 bpl = buf->vb.width;
959 else
960 bpl = (buf->vb.width * buf->fmt->depth) / 8;
961 control = SAA7134_RS_CONTROL_BURST_16 |
962 SAA7134_RS_CONTROL_ME |
963 (buf->pt->dma >> 12);
964 if (buf->fmt->bswap)
965 control |= SAA7134_RS_CONTROL_BSWAP;
966 if (buf->fmt->wswap)
967 control |= SAA7134_RS_CONTROL_WSWAP;
968 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
969 /* interlaced */
970 saa_writel(SAA7134_RS_BA1(0),base);
971 saa_writel(SAA7134_RS_BA2(0),base+bpl);
972 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
973 } else {
974 /* non-interlaced */
975 saa_writel(SAA7134_RS_BA1(0),base);
976 saa_writel(SAA7134_RS_BA2(0),base);
977 saa_writel(SAA7134_RS_PITCH(0),bpl);
978 }
979 saa_writel(SAA7134_RS_CONTROL(0),control);
980
981 if (buf->fmt->planar) {
982 /* DMA: setup channel 4+5 (= planar task A) */
983 bpl_uv = bpl >> buf->fmt->hshift;
984 lines_uv = buf->vb.height >> buf->fmt->vshift;
985 base2 = base + bpl * buf->vb.height;
986 base3 = base2 + bpl_uv * lines_uv;
987 if (buf->fmt->uvswap)
988 tmp = base2, base2 = base3, base3 = tmp;
989 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
990 bpl_uv,lines_uv,base2,base3);
991 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
992 /* interlaced */
993 saa_writel(SAA7134_RS_BA1(4),base2);
994 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
995 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
996 saa_writel(SAA7134_RS_BA1(5),base3);
997 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
998 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
999 } else {
1000 /* non-interlaced */
1001 saa_writel(SAA7134_RS_BA1(4),base2);
1002 saa_writel(SAA7134_RS_BA2(4),base2);
1003 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1004 saa_writel(SAA7134_RS_BA1(5),base3);
1005 saa_writel(SAA7134_RS_BA2(5),base3);
1006 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1007 }
1008 saa_writel(SAA7134_RS_CONTROL(4),control);
1009 saa_writel(SAA7134_RS_CONTROL(5),control);
1010 }
1011
1012 /* start DMA */
1013 saa7134_set_dmabits(dev);
1014 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1015 return 0;
1016 }
1017
1018 static int buffer_prepare(struct videobuf_queue *q,
1019 struct videobuf_buffer *vb,
1020 enum v4l2_field field)
1021 {
1022 struct saa7134_fh *fh = q->priv_data;
1023 struct saa7134_dev *dev = fh->dev;
1024 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1025 unsigned int size;
1026 int err;
1027
1028 /* sanity checks */
1029 if (NULL == fh->fmt)
1030 return -EINVAL;
1031 if (fh->width < 48 ||
1032 fh->height < 32 ||
1033 fh->width/4 > dev->crop_current.width ||
1034 fh->height/4 > dev->crop_current.height ||
1035 fh->width > dev->crop_bounds.width ||
1036 fh->height > dev->crop_bounds.height)
1037 return -EINVAL;
1038 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1039 if (0 != buf->vb.baddr && buf->vb.bsize < size)
1040 return -EINVAL;
1041
1042 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1043 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1044 fh->fmt->name);
1045 if (buf->vb.width != fh->width ||
1046 buf->vb.height != fh->height ||
1047 buf->vb.size != size ||
1048 buf->vb.field != field ||
1049 buf->fmt != fh->fmt) {
1050 saa7134_dma_free(q,buf);
1051 }
1052
1053 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1054 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1055
1056 buf->vb.width = fh->width;
1057 buf->vb.height = fh->height;
1058 buf->vb.size = size;
1059 buf->vb.field = field;
1060 buf->fmt = fh->fmt;
1061 buf->pt = &fh->pt_cap;
1062
1063 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1064 if (err)
1065 goto oops;
1066 err = saa7134_pgtable_build(dev->pci,buf->pt,
1067 dma->sglist,
1068 dma->sglen,
1069 saa7134_buffer_startpage(buf));
1070 if (err)
1071 goto oops;
1072 }
1073 buf->vb.state = VIDEOBUF_PREPARED;
1074 buf->activate = buffer_activate;
1075 return 0;
1076
1077 oops:
1078 saa7134_dma_free(q,buf);
1079 return err;
1080 }
1081
1082 static int
1083 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1084 {
1085 struct saa7134_fh *fh = q->priv_data;
1086
1087 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1088 if (0 == *count)
1089 *count = gbuffers;
1090 *count = saa7134_buffer_count(*size,*count);
1091 return 0;
1092 }
1093
1094 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1095 {
1096 struct saa7134_fh *fh = q->priv_data;
1097 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1098
1099 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1100 }
1101
1102 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1103 {
1104 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1105
1106 saa7134_dma_free(q,buf);
1107 }
1108
1109 static struct videobuf_queue_ops video_qops = {
1110 .buf_setup = buffer_setup,
1111 .buf_prepare = buffer_prepare,
1112 .buf_queue = buffer_queue,
1113 .buf_release = buffer_release,
1114 };
1115
1116 /* ------------------------------------------------------------------ */
1117
1118 int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1119 {
1120 const struct v4l2_queryctrl* ctrl;
1121
1122 ctrl = ctrl_by_id(c->id);
1123 if (NULL == ctrl)
1124 return -EINVAL;
1125 switch (c->id) {
1126 case V4L2_CID_BRIGHTNESS:
1127 c->value = dev->ctl_bright;
1128 break;
1129 case V4L2_CID_HUE:
1130 c->value = dev->ctl_hue;
1131 break;
1132 case V4L2_CID_CONTRAST:
1133 c->value = dev->ctl_contrast;
1134 break;
1135 case V4L2_CID_SATURATION:
1136 c->value = dev->ctl_saturation;
1137 break;
1138 case V4L2_CID_AUDIO_MUTE:
1139 c->value = dev->ctl_mute;
1140 break;
1141 case V4L2_CID_AUDIO_VOLUME:
1142 c->value = dev->ctl_volume;
1143 break;
1144 case V4L2_CID_PRIVATE_INVERT:
1145 c->value = dev->ctl_invert;
1146 break;
1147 case V4L2_CID_HFLIP:
1148 c->value = dev->ctl_mirror;
1149 break;
1150 case V4L2_CID_PRIVATE_Y_EVEN:
1151 c->value = dev->ctl_y_even;
1152 break;
1153 case V4L2_CID_PRIVATE_Y_ODD:
1154 c->value = dev->ctl_y_odd;
1155 break;
1156 case V4L2_CID_PRIVATE_AUTOMUTE:
1157 c->value = dev->ctl_automute;
1158 break;
1159 default:
1160 return -EINVAL;
1161 }
1162 return 0;
1163 }
1164 EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal);
1165
1166 static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c)
1167 {
1168 struct saa7134_fh *fh = priv;
1169
1170 return saa7134_g_ctrl_internal(fh->dev, fh, c);
1171 }
1172
1173 int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1174 {
1175 const struct v4l2_queryctrl* ctrl;
1176 unsigned long flags;
1177 int restart_overlay = 0;
1178 int err;
1179
1180 /* When called from the empress code fh == NULL.
1181 That needs to be fixed somehow, but for now this is
1182 good enough. */
1183 if (fh) {
1184 err = v4l2_prio_check(&dev->prio, &fh->prio);
1185 if (0 != err)
1186 return err;
1187 }
1188 err = -EINVAL;
1189
1190 mutex_lock(&dev->lock);
1191
1192 ctrl = ctrl_by_id(c->id);
1193 if (NULL == ctrl)
1194 goto error;
1195
1196 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1197 switch (ctrl->type) {
1198 case V4L2_CTRL_TYPE_BOOLEAN:
1199 case V4L2_CTRL_TYPE_MENU:
1200 case V4L2_CTRL_TYPE_INTEGER:
1201 if (c->value < ctrl->minimum)
1202 c->value = ctrl->minimum;
1203 if (c->value > ctrl->maximum)
1204 c->value = ctrl->maximum;
1205 break;
1206 default:
1207 /* nothing */;
1208 };
1209 switch (c->id) {
1210 case V4L2_CID_BRIGHTNESS:
1211 dev->ctl_bright = c->value;
1212 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1213 break;
1214 case V4L2_CID_HUE:
1215 dev->ctl_hue = c->value;
1216 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1217 break;
1218 case V4L2_CID_CONTRAST:
1219 dev->ctl_contrast = c->value;
1220 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1221 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1222 break;
1223 case V4L2_CID_SATURATION:
1224 dev->ctl_saturation = c->value;
1225 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1226 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1227 break;
1228 case V4L2_CID_AUDIO_MUTE:
1229 dev->ctl_mute = c->value;
1230 saa7134_tvaudio_setmute(dev);
1231 break;
1232 case V4L2_CID_AUDIO_VOLUME:
1233 dev->ctl_volume = c->value;
1234 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1235 break;
1236 case V4L2_CID_PRIVATE_INVERT:
1237 dev->ctl_invert = c->value;
1238 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1239 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1240 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1241 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1242 break;
1243 case V4L2_CID_HFLIP:
1244 dev->ctl_mirror = c->value;
1245 restart_overlay = 1;
1246 break;
1247 case V4L2_CID_PRIVATE_Y_EVEN:
1248 dev->ctl_y_even = c->value;
1249 restart_overlay = 1;
1250 break;
1251 case V4L2_CID_PRIVATE_Y_ODD:
1252 dev->ctl_y_odd = c->value;
1253 restart_overlay = 1;
1254 break;
1255 case V4L2_CID_PRIVATE_AUTOMUTE:
1256 {
1257 struct v4l2_priv_tun_config tda9887_cfg;
1258
1259 tda9887_cfg.tuner = TUNER_TDA9887;
1260 tda9887_cfg.priv = &dev->tda9887_conf;
1261
1262 dev->ctl_automute = c->value;
1263 if (dev->tda9887_conf) {
1264 if (dev->ctl_automute)
1265 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1266 else
1267 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1268
1269 saa7134_i2c_call_clients(dev, TUNER_SET_CONFIG,
1270 &tda9887_cfg);
1271 }
1272 break;
1273 }
1274 default:
1275 goto error;
1276 }
1277 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1278 spin_lock_irqsave(&dev->slock,flags);
1279 stop_preview(dev,fh);
1280 start_preview(dev,fh);
1281 spin_unlock_irqrestore(&dev->slock,flags);
1282 }
1283 err = 0;
1284
1285 error:
1286 mutex_unlock(&dev->lock);
1287 return err;
1288 }
1289 EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal);
1290
1291 static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c)
1292 {
1293 struct saa7134_fh *fh = f;
1294
1295 return saa7134_s_ctrl_internal(fh->dev, fh, c);
1296 }
1297
1298 /* ------------------------------------------------------------------ */
1299
1300 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1301 {
1302 struct videobuf_queue* q = NULL;
1303
1304 switch (fh->type) {
1305 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1306 q = &fh->cap;
1307 break;
1308 case V4L2_BUF_TYPE_VBI_CAPTURE:
1309 q = &fh->vbi;
1310 break;
1311 default:
1312 BUG();
1313 }
1314 return q;
1315 }
1316
1317 static int saa7134_resource(struct saa7134_fh *fh)
1318 {
1319 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1320 return RESOURCE_VIDEO;
1321
1322 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1323 return RESOURCE_VBI;
1324
1325 BUG();
1326 return 0;
1327 }
1328
1329 static int video_open(struct file *file)
1330 {
1331 int minor = video_devdata(file)->minor;
1332 struct saa7134_dev *dev;
1333 struct saa7134_fh *fh;
1334 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1335 int radio = 0;
1336
1337 lock_kernel();
1338 list_for_each_entry(dev, &saa7134_devlist, devlist) {
1339 if (dev->video_dev && (dev->video_dev->minor == minor))
1340 goto found;
1341 if (dev->radio_dev && (dev->radio_dev->minor == minor)) {
1342 radio = 1;
1343 goto found;
1344 }
1345 if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) {
1346 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1347 goto found;
1348 }
1349 }
1350 unlock_kernel();
1351 return -ENODEV;
1352 found:
1353
1354 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1355 v4l2_type_names[type]);
1356
1357 /* allocate + initialize per filehandle data */
1358 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1359 if (NULL == fh) {
1360 unlock_kernel();
1361 return -ENOMEM;
1362 }
1363 file->private_data = fh;
1364 fh->dev = dev;
1365 fh->radio = radio;
1366 fh->type = type;
1367 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1368 fh->width = 720;
1369 fh->height = 576;
1370 v4l2_prio_open(&dev->prio,&fh->prio);
1371
1372 videobuf_queue_sg_init(&fh->cap, &video_qops,
1373 &dev->pci->dev, &dev->slock,
1374 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1375 V4L2_FIELD_INTERLACED,
1376 sizeof(struct saa7134_buf),
1377 fh);
1378 videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops,
1379 &dev->pci->dev, &dev->slock,
1380 V4L2_BUF_TYPE_VBI_CAPTURE,
1381 V4L2_FIELD_SEQ_TB,
1382 sizeof(struct saa7134_buf),
1383 fh);
1384 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1385 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1386
1387 if (fh->radio) {
1388 /* switch to radio mode */
1389 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1390 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1391 } else {
1392 /* switch to video/vbi mode */
1393 video_mux(dev,dev->ctl_input);
1394 }
1395 unlock_kernel();
1396 return 0;
1397 }
1398
1399 static ssize_t
1400 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1401 {
1402 struct saa7134_fh *fh = file->private_data;
1403
1404 switch (fh->type) {
1405 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1406 if (res_locked(fh->dev,RESOURCE_VIDEO))
1407 return -EBUSY;
1408 return videobuf_read_one(saa7134_queue(fh),
1409 data, count, ppos,
1410 file->f_flags & O_NONBLOCK);
1411 case V4L2_BUF_TYPE_VBI_CAPTURE:
1412 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1413 return -EBUSY;
1414 return videobuf_read_stream(saa7134_queue(fh),
1415 data, count, ppos, 1,
1416 file->f_flags & O_NONBLOCK);
1417 break;
1418 default:
1419 BUG();
1420 return 0;
1421 }
1422 }
1423
1424 static unsigned int
1425 video_poll(struct file *file, struct poll_table_struct *wait)
1426 {
1427 struct saa7134_fh *fh = file->private_data;
1428 struct videobuf_buffer *buf = NULL;
1429
1430 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1431 return videobuf_poll_stream(file, &fh->vbi, wait);
1432
1433 if (res_check(fh,RESOURCE_VIDEO)) {
1434 if (!list_empty(&fh->cap.stream))
1435 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1436 } else {
1437 mutex_lock(&fh->cap.vb_lock);
1438 if (UNSET == fh->cap.read_off) {
1439 /* need to capture a new frame */
1440 if (res_locked(fh->dev,RESOURCE_VIDEO))
1441 goto err;
1442 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field))
1443 goto err;
1444 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1445 fh->cap.read_off = 0;
1446 }
1447 mutex_unlock(&fh->cap.vb_lock);
1448 buf = fh->cap.read_buf;
1449 }
1450
1451 if (!buf)
1452 return POLLERR;
1453
1454 poll_wait(file, &buf->done, wait);
1455 if (buf->state == VIDEOBUF_DONE ||
1456 buf->state == VIDEOBUF_ERROR)
1457 return POLLIN|POLLRDNORM;
1458 return 0;
1459
1460 err:
1461 mutex_unlock(&fh->cap.vb_lock);
1462 return POLLERR;
1463 }
1464
1465 static int video_release(struct file *file)
1466 {
1467 struct saa7134_fh *fh = file->private_data;
1468 struct saa7134_dev *dev = fh->dev;
1469 unsigned long flags;
1470
1471 /* turn off overlay */
1472 if (res_check(fh, RESOURCE_OVERLAY)) {
1473 spin_lock_irqsave(&dev->slock,flags);
1474 stop_preview(dev,fh);
1475 spin_unlock_irqrestore(&dev->slock,flags);
1476 res_free(dev,fh,RESOURCE_OVERLAY);
1477 }
1478
1479 /* stop video capture */
1480 if (res_check(fh, RESOURCE_VIDEO)) {
1481 videobuf_streamoff(&fh->cap);
1482 res_free(dev,fh,RESOURCE_VIDEO);
1483 }
1484 if (fh->cap.read_buf) {
1485 buffer_release(&fh->cap,fh->cap.read_buf);
1486 kfree(fh->cap.read_buf);
1487 }
1488
1489 /* stop vbi capture */
1490 if (res_check(fh, RESOURCE_VBI)) {
1491 videobuf_stop(&fh->vbi);
1492 res_free(dev,fh,RESOURCE_VBI);
1493 }
1494
1495 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1496 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1497 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1498 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1499 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1500
1501 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1502
1503 /* free stuff */
1504 videobuf_mmap_free(&fh->cap);
1505 videobuf_mmap_free(&fh->vbi);
1506 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1507 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1508
1509 v4l2_prio_close(&dev->prio,&fh->prio);
1510 file->private_data = NULL;
1511 kfree(fh);
1512 return 0;
1513 }
1514
1515 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1516 {
1517 struct saa7134_fh *fh = file->private_data;
1518
1519 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1520 }
1521
1522 /* ------------------------------------------------------------------ */
1523
1524 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1525 struct v4l2_format *f)
1526 {
1527 struct saa7134_fh *fh = priv;
1528 struct saa7134_dev *dev = fh->dev;
1529 struct saa7134_tvnorm *norm = dev->tvnorm;
1530
1531 f->fmt.vbi.sampling_rate = 6750000 * 4;
1532 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1533 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1534 f->fmt.vbi.offset = 64 * 4;
1535 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1536 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1537 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1538 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1539 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1540
1541 return 0;
1542 }
1543
1544 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1545 struct v4l2_format *f)
1546 {
1547 struct saa7134_fh *fh = priv;
1548
1549 f->fmt.pix.width = fh->width;
1550 f->fmt.pix.height = fh->height;
1551 f->fmt.pix.field = fh->cap.field;
1552 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1553 f->fmt.pix.bytesperline =
1554 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1555 f->fmt.pix.sizeimage =
1556 f->fmt.pix.height * f->fmt.pix.bytesperline;
1557 return 0;
1558 }
1559
1560 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1561 struct v4l2_format *f)
1562 {
1563 struct saa7134_fh *fh = priv;
1564
1565 if (saa7134_no_overlay > 0) {
1566 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1567 return -EINVAL;
1568 }
1569 f->fmt.win = fh->win;
1570
1571 return 0;
1572 }
1573
1574 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1575 struct v4l2_format *f)
1576 {
1577 struct saa7134_fh *fh = priv;
1578 struct saa7134_dev *dev = fh->dev;
1579 struct saa7134_format *fmt;
1580 enum v4l2_field field;
1581 unsigned int maxw, maxh;
1582
1583 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1584 if (NULL == fmt)
1585 return -EINVAL;
1586
1587 field = f->fmt.pix.field;
1588 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1589 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1590
1591 if (V4L2_FIELD_ANY == field) {
1592 field = (f->fmt.pix.height > maxh/2)
1593 ? V4L2_FIELD_INTERLACED
1594 : V4L2_FIELD_BOTTOM;
1595 }
1596 switch (field) {
1597 case V4L2_FIELD_TOP:
1598 case V4L2_FIELD_BOTTOM:
1599 maxh = maxh / 2;
1600 break;
1601 case V4L2_FIELD_INTERLACED:
1602 break;
1603 default:
1604 return -EINVAL;
1605 }
1606
1607 f->fmt.pix.field = field;
1608 if (f->fmt.pix.width < 48)
1609 f->fmt.pix.width = 48;
1610 if (f->fmt.pix.height < 32)
1611 f->fmt.pix.height = 32;
1612 if (f->fmt.pix.width > maxw)
1613 f->fmt.pix.width = maxw;
1614 if (f->fmt.pix.height > maxh)
1615 f->fmt.pix.height = maxh;
1616 f->fmt.pix.width &= ~0x03;
1617 f->fmt.pix.bytesperline =
1618 (f->fmt.pix.width * fmt->depth) >> 3;
1619 f->fmt.pix.sizeimage =
1620 f->fmt.pix.height * f->fmt.pix.bytesperline;
1621
1622 return 0;
1623 }
1624
1625 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1626 struct v4l2_format *f)
1627 {
1628 struct saa7134_fh *fh = priv;
1629 struct saa7134_dev *dev = fh->dev;
1630
1631 if (saa7134_no_overlay > 0) {
1632 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1633 return -EINVAL;
1634 }
1635
1636 return verify_preview(dev, &f->fmt.win);
1637 }
1638
1639 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1640 struct v4l2_format *f)
1641 {
1642 struct saa7134_fh *fh = priv;
1643 int err;
1644
1645 err = saa7134_try_fmt_vid_cap(file, priv, f);
1646 if (0 != err)
1647 return err;
1648
1649 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1650 fh->width = f->fmt.pix.width;
1651 fh->height = f->fmt.pix.height;
1652 fh->cap.field = f->fmt.pix.field;
1653 return 0;
1654 }
1655
1656 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1657 struct v4l2_format *f)
1658 {
1659 struct saa7134_fh *fh = priv;
1660 struct saa7134_dev *dev = fh->dev;
1661 int err;
1662 unsigned long flags;
1663
1664 if (saa7134_no_overlay > 0) {
1665 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1666 return -EINVAL;
1667 }
1668 err = verify_preview(dev, &f->fmt.win);
1669 if (0 != err)
1670 return err;
1671
1672 mutex_lock(&dev->lock);
1673
1674 fh->win = f->fmt.win;
1675 fh->nclips = f->fmt.win.clipcount;
1676
1677 if (fh->nclips > 8)
1678 fh->nclips = 8;
1679
1680 if (copy_from_user(fh->clips, f->fmt.win.clips,
1681 sizeof(struct v4l2_clip)*fh->nclips)) {
1682 mutex_unlock(&dev->lock);
1683 return -EFAULT;
1684 }
1685
1686 if (res_check(fh, RESOURCE_OVERLAY)) {
1687 spin_lock_irqsave(&dev->slock, flags);
1688 stop_preview(dev, fh);
1689 start_preview(dev, fh);
1690 spin_unlock_irqrestore(&dev->slock, flags);
1691 }
1692
1693 mutex_unlock(&dev->lock);
1694 return 0;
1695 }
1696
1697 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c)
1698 {
1699 const struct v4l2_queryctrl *ctrl;
1700
1701 if ((c->id < V4L2_CID_BASE ||
1702 c->id >= V4L2_CID_LASTP1) &&
1703 (c->id < V4L2_CID_PRIVATE_BASE ||
1704 c->id >= V4L2_CID_PRIVATE_LASTP1))
1705 return -EINVAL;
1706 ctrl = ctrl_by_id(c->id);
1707 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1708 return 0;
1709 }
1710 EXPORT_SYMBOL_GPL(saa7134_queryctrl);
1711
1712 static int saa7134_enum_input(struct file *file, void *priv,
1713 struct v4l2_input *i)
1714 {
1715 struct saa7134_fh *fh = priv;
1716 struct saa7134_dev *dev = fh->dev;
1717 unsigned int n;
1718
1719 n = i->index;
1720 if (n >= SAA7134_INPUT_MAX)
1721 return -EINVAL;
1722 if (NULL == card_in(dev, i->index).name)
1723 return -EINVAL;
1724 memset(i, 0, sizeof(*i));
1725 i->index = n;
1726 i->type = V4L2_INPUT_TYPE_CAMERA;
1727 strcpy(i->name, card_in(dev, n).name);
1728 if (card_in(dev, n).tv)
1729 i->type = V4L2_INPUT_TYPE_TUNER;
1730 i->audioset = 1;
1731 if (n == dev->ctl_input) {
1732 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1733 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1734
1735 if (0 != (v1 & 0x40))
1736 i->status |= V4L2_IN_ST_NO_H_LOCK;
1737 if (0 != (v2 & 0x40))
1738 i->status |= V4L2_IN_ST_NO_SYNC;
1739 if (0 != (v2 & 0x0e))
1740 i->status |= V4L2_IN_ST_MACROVISION;
1741 }
1742 i->std = SAA7134_NORMS;
1743 return 0;
1744 }
1745
1746 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1747 {
1748 struct saa7134_fh *fh = priv;
1749 struct saa7134_dev *dev = fh->dev;
1750
1751 *i = dev->ctl_input;
1752 return 0;
1753 }
1754
1755 static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1756 {
1757 struct saa7134_fh *fh = priv;
1758 struct saa7134_dev *dev = fh->dev;
1759 int err;
1760
1761 err = v4l2_prio_check(&dev->prio, &fh->prio);
1762 if (0 != err)
1763 return err;
1764
1765 if (i < 0 || i >= SAA7134_INPUT_MAX)
1766 return -EINVAL;
1767 if (NULL == card_in(dev, i).name)
1768 return -EINVAL;
1769 mutex_lock(&dev->lock);
1770 video_mux(dev, i);
1771 mutex_unlock(&dev->lock);
1772 return 0;
1773 }
1774
1775 static int saa7134_querycap(struct file *file, void *priv,
1776 struct v4l2_capability *cap)
1777 {
1778 struct saa7134_fh *fh = priv;
1779 struct saa7134_dev *dev = fh->dev;
1780
1781 unsigned int tuner_type = dev->tuner_type;
1782
1783 strcpy(cap->driver, "saa7134");
1784 strlcpy(cap->card, saa7134_boards[dev->board].name,
1785 sizeof(cap->card));
1786 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1787 cap->version = SAA7134_VERSION_CODE;
1788 cap->capabilities =
1789 V4L2_CAP_VIDEO_CAPTURE |
1790 V4L2_CAP_VBI_CAPTURE |
1791 V4L2_CAP_READWRITE |
1792 V4L2_CAP_STREAMING |
1793 V4L2_CAP_TUNER;
1794 if (saa7134_no_overlay <= 0)
1795 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1796
1797 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1798 cap->capabilities &= ~V4L2_CAP_TUNER;
1799 return 0;
1800 }
1801
1802 int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id *id)
1803 {
1804 unsigned long flags;
1805 unsigned int i;
1806 v4l2_std_id fixup;
1807 int err;
1808
1809 /* When called from the empress code fh == NULL.
1810 That needs to be fixed somehow, but for now this is
1811 good enough. */
1812 if (fh) {
1813 err = v4l2_prio_check(&dev->prio, &fh->prio);
1814 if (0 != err)
1815 return err;
1816 } else if (res_locked(dev, RESOURCE_OVERLAY)) {
1817 /* Don't change the std from the mpeg device
1818 if overlay is active. */
1819 return -EBUSY;
1820 }
1821
1822 for (i = 0; i < TVNORMS; i++)
1823 if (*id == tvnorms[i].id)
1824 break;
1825
1826 if (i == TVNORMS)
1827 for (i = 0; i < TVNORMS; i++)
1828 if (*id & tvnorms[i].id)
1829 break;
1830 if (i == TVNORMS)
1831 return -EINVAL;
1832
1833 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1834 if (secam[0] == 'L' || secam[0] == 'l') {
1835 if (secam[1] == 'C' || secam[1] == 'c')
1836 fixup = V4L2_STD_SECAM_LC;
1837 else
1838 fixup = V4L2_STD_SECAM_L;
1839 } else {
1840 if (secam[0] == 'D' || secam[0] == 'd')
1841 fixup = V4L2_STD_SECAM_DK;
1842 else
1843 fixup = V4L2_STD_SECAM;
1844 }
1845 for (i = 0; i < TVNORMS; i++)
1846 if (fixup == tvnorms[i].id)
1847 break;
1848 }
1849
1850 *id = tvnorms[i].id;
1851
1852 mutex_lock(&dev->lock);
1853 if (fh && res_check(fh, RESOURCE_OVERLAY)) {
1854 spin_lock_irqsave(&dev->slock, flags);
1855 stop_preview(dev, fh);
1856 spin_unlock_irqrestore(&dev->slock, flags);
1857
1858 set_tvnorm(dev, &tvnorms[i]);
1859
1860 spin_lock_irqsave(&dev->slock, flags);
1861 start_preview(dev, fh);
1862 spin_unlock_irqrestore(&dev->slock, flags);
1863 } else
1864 set_tvnorm(dev, &tvnorms[i]);
1865
1866 saa7134_tvaudio_do_scan(dev);
1867 mutex_unlock(&dev->lock);
1868 return 0;
1869 }
1870 EXPORT_SYMBOL_GPL(saa7134_s_std_internal);
1871
1872 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id)
1873 {
1874 struct saa7134_fh *fh = priv;
1875
1876 return saa7134_s_std_internal(fh->dev, fh, id);
1877 }
1878
1879 static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1880 {
1881 struct saa7134_fh *fh = priv;
1882 struct saa7134_dev *dev = fh->dev;
1883
1884 *id = dev->tvnorm->id;
1885 return 0;
1886 }
1887
1888 static int saa7134_cropcap(struct file *file, void *priv,
1889 struct v4l2_cropcap *cap)
1890 {
1891 struct saa7134_fh *fh = priv;
1892 struct saa7134_dev *dev = fh->dev;
1893
1894 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1895 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1896 return -EINVAL;
1897 cap->bounds = dev->crop_bounds;
1898 cap->defrect = dev->crop_defrect;
1899 cap->pixelaspect.numerator = 1;
1900 cap->pixelaspect.denominator = 1;
1901 if (dev->tvnorm->id & V4L2_STD_525_60) {
1902 cap->pixelaspect.numerator = 11;
1903 cap->pixelaspect.denominator = 10;
1904 }
1905 if (dev->tvnorm->id & V4L2_STD_625_50) {
1906 cap->pixelaspect.numerator = 54;
1907 cap->pixelaspect.denominator = 59;
1908 }
1909 return 0;
1910 }
1911
1912 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1913 {
1914 struct saa7134_fh *fh = f;
1915 struct saa7134_dev *dev = fh->dev;
1916
1917 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1918 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1919 return -EINVAL;
1920 crop->c = dev->crop_current;
1921 return 0;
1922 }
1923
1924 static int saa7134_s_crop(struct file *file, void *f, struct v4l2_crop *crop)
1925 {
1926 struct saa7134_fh *fh = f;
1927 struct saa7134_dev *dev = fh->dev;
1928 struct v4l2_rect *b = &dev->crop_bounds;
1929
1930 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1931 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1932 return -EINVAL;
1933 if (crop->c.height < 0)
1934 return -EINVAL;
1935 if (crop->c.width < 0)
1936 return -EINVAL;
1937
1938 if (res_locked(fh->dev, RESOURCE_OVERLAY))
1939 return -EBUSY;
1940 if (res_locked(fh->dev, RESOURCE_VIDEO))
1941 return -EBUSY;
1942
1943 if (crop->c.top < b->top)
1944 crop->c.top = b->top;
1945 if (crop->c.top > b->top + b->height)
1946 crop->c.top = b->top + b->height;
1947 if (crop->c.height > b->top - crop->c.top + b->height)
1948 crop->c.height = b->top - crop->c.top + b->height;
1949
1950 if (crop->c.left < b->left)
1951 crop->c.left = b->left;
1952 if (crop->c.left > b->left + b->width)
1953 crop->c.left = b->left + b->width;
1954 if (crop->c.width > b->left - crop->c.left + b->width)
1955 crop->c.width = b->left - crop->c.left + b->width;
1956
1957 dev->crop_current = crop->c;
1958 return 0;
1959 }
1960
1961 static int saa7134_g_tuner(struct file *file, void *priv,
1962 struct v4l2_tuner *t)
1963 {
1964 struct saa7134_fh *fh = priv;
1965 struct saa7134_dev *dev = fh->dev;
1966 int n;
1967
1968 if (0 != t->index)
1969 return -EINVAL;
1970 memset(t, 0, sizeof(*t));
1971 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1972 if (card_in(dev, n).tv)
1973 break;
1974 if (NULL != card_in(dev, n).name) {
1975 strcpy(t->name, "Television");
1976 t->type = V4L2_TUNER_ANALOG_TV;
1977 t->capability = V4L2_TUNER_CAP_NORM |
1978 V4L2_TUNER_CAP_STEREO |
1979 V4L2_TUNER_CAP_LANG1 |
1980 V4L2_TUNER_CAP_LANG2;
1981 t->rangehigh = 0xffffffffUL;
1982 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1983 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1984 }
1985 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1986 t->signal = 0xffff;
1987 return 0;
1988 }
1989
1990 static int saa7134_s_tuner(struct file *file, void *priv,
1991 struct v4l2_tuner *t)
1992 {
1993 struct saa7134_fh *fh = priv;
1994 struct saa7134_dev *dev = fh->dev;
1995 int rx, mode, err;
1996
1997 err = v4l2_prio_check(&dev->prio, &fh->prio);
1998 if (0 != err)
1999 return err;
2000
2001 mode = dev->thread.mode;
2002 if (UNSET == mode) {
2003 rx = saa7134_tvaudio_getstereo(dev);
2004 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
2005 }
2006 if (mode != t->audmode)
2007 dev->thread.mode = t->audmode;
2008
2009 return 0;
2010 }
2011
2012 static int saa7134_g_frequency(struct file *file, void *priv,
2013 struct v4l2_frequency *f)
2014 {
2015 struct saa7134_fh *fh = priv;
2016 struct saa7134_dev *dev = fh->dev;
2017
2018 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
2019 f->frequency = dev->ctl_freq;
2020
2021 return 0;
2022 }
2023
2024 static int saa7134_s_frequency(struct file *file, void *priv,
2025 struct v4l2_frequency *f)
2026 {
2027 struct saa7134_fh *fh = priv;
2028 struct saa7134_dev *dev = fh->dev;
2029 int err;
2030
2031 err = v4l2_prio_check(&dev->prio, &fh->prio);
2032 if (0 != err)
2033 return err;
2034
2035 if (0 != f->tuner)
2036 return -EINVAL;
2037 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
2038 return -EINVAL;
2039 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
2040 return -EINVAL;
2041 mutex_lock(&dev->lock);
2042 dev->ctl_freq = f->frequency;
2043
2044 saa7134_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
2045
2046 saa7134_tvaudio_do_scan(dev);
2047 mutex_unlock(&dev->lock);
2048 return 0;
2049 }
2050
2051 static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2052 {
2053 strcpy(a->name, "audio");
2054 return 0;
2055 }
2056
2057 static int saa7134_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
2058 {
2059 return 0;
2060 }
2061
2062 static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p)
2063 {
2064 struct saa7134_fh *fh = f;
2065 struct saa7134_dev *dev = fh->dev;
2066
2067 *p = v4l2_prio_max(&dev->prio);
2068 return 0;
2069 }
2070
2071 static int saa7134_s_priority(struct file *file, void *f,
2072 enum v4l2_priority prio)
2073 {
2074 struct saa7134_fh *fh = f;
2075 struct saa7134_dev *dev = fh->dev;
2076
2077 return v4l2_prio_change(&dev->prio, &fh->prio, prio);
2078 }
2079
2080 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
2081 struct v4l2_fmtdesc *f)
2082 {
2083 if (f->index >= FORMATS)
2084 return -EINVAL;
2085
2086 strlcpy(f->description, formats[f->index].name,
2087 sizeof(f->description));
2088
2089 f->pixelformat = formats[f->index].fourcc;
2090
2091 return 0;
2092 }
2093
2094 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
2095 struct v4l2_fmtdesc *f)
2096 {
2097 if (saa7134_no_overlay > 0) {
2098 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2099 return -EINVAL;
2100 }
2101
2102 if ((f->index >= FORMATS) || formats[f->index].planar)
2103 return -EINVAL;
2104
2105 strlcpy(f->description, formats[f->index].name,
2106 sizeof(f->description));
2107
2108 f->pixelformat = formats[f->index].fourcc;
2109
2110 return 0;
2111 }
2112
2113 static int saa7134_g_fbuf(struct file *file, void *f,
2114 struct v4l2_framebuffer *fb)
2115 {
2116 struct saa7134_fh *fh = f;
2117 struct saa7134_dev *dev = fh->dev;
2118
2119 *fb = dev->ovbuf;
2120 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2121
2122 return 0;
2123 }
2124
2125 static int saa7134_s_fbuf(struct file *file, void *f,
2126 struct v4l2_framebuffer *fb)
2127 {
2128 struct saa7134_fh *fh = f;
2129 struct saa7134_dev *dev = fh->dev;
2130 struct saa7134_format *fmt;
2131
2132 if (!capable(CAP_SYS_ADMIN) &&
2133 !capable(CAP_SYS_RAWIO))
2134 return -EPERM;
2135
2136 /* check args */
2137 fmt = format_by_fourcc(fb->fmt.pixelformat);
2138 if (NULL == fmt)
2139 return -EINVAL;
2140
2141 /* ok, accept it */
2142 dev->ovbuf = *fb;
2143 dev->ovfmt = fmt;
2144 if (0 == dev->ovbuf.fmt.bytesperline)
2145 dev->ovbuf.fmt.bytesperline =
2146 dev->ovbuf.fmt.width*fmt->depth/8;
2147 return 0;
2148 }
2149
2150 static int saa7134_overlay(struct file *file, void *f, unsigned int on)
2151 {
2152 struct saa7134_fh *fh = f;
2153 struct saa7134_dev *dev = fh->dev;
2154 unsigned long flags;
2155
2156 if (on) {
2157 if (saa7134_no_overlay > 0) {
2158 dprintk("no_overlay\n");
2159 return -EINVAL;
2160 }
2161
2162 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2163 return -EBUSY;
2164 spin_lock_irqsave(&dev->slock, flags);
2165 start_preview(dev, fh);
2166 spin_unlock_irqrestore(&dev->slock, flags);
2167 }
2168 if (!on) {
2169 if (!res_check(fh, RESOURCE_OVERLAY))
2170 return -EINVAL;
2171 spin_lock_irqsave(&dev->slock, flags);
2172 stop_preview(dev, fh);
2173 spin_unlock_irqrestore(&dev->slock, flags);
2174 res_free(dev, fh, RESOURCE_OVERLAY);
2175 }
2176 return 0;
2177 }
2178
2179 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2180 static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
2181 {
2182 struct saa7134_fh *fh = file->private_data;
2183 return videobuf_cgmbuf(saa7134_queue(fh), mbuf, 8);
2184 }
2185 #endif
2186
2187 static int saa7134_reqbufs(struct file *file, void *priv,
2188 struct v4l2_requestbuffers *p)
2189 {
2190 struct saa7134_fh *fh = priv;
2191 return videobuf_reqbufs(saa7134_queue(fh), p);
2192 }
2193
2194 static int saa7134_querybuf(struct file *file, void *priv,
2195 struct v4l2_buffer *b)
2196 {
2197 struct saa7134_fh *fh = priv;
2198 return videobuf_querybuf(saa7134_queue(fh), b);
2199 }
2200
2201 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2202 {
2203 struct saa7134_fh *fh = priv;
2204 return videobuf_qbuf(saa7134_queue(fh), b);
2205 }
2206
2207 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2208 {
2209 struct saa7134_fh *fh = priv;
2210 return videobuf_dqbuf(saa7134_queue(fh), b,
2211 file->f_flags & O_NONBLOCK);
2212 }
2213
2214 static int saa7134_streamon(struct file *file, void *priv,
2215 enum v4l2_buf_type type)
2216 {
2217 struct saa7134_fh *fh = priv;
2218 struct saa7134_dev *dev = fh->dev;
2219 int res = saa7134_resource(fh);
2220
2221 if (!res_get(dev, fh, res))
2222 return -EBUSY;
2223
2224 return videobuf_streamon(saa7134_queue(fh));
2225 }
2226
2227 static int saa7134_streamoff(struct file *file, void *priv,
2228 enum v4l2_buf_type type)
2229 {
2230 int err;
2231 struct saa7134_fh *fh = priv;
2232 struct saa7134_dev *dev = fh->dev;
2233 int res = saa7134_resource(fh);
2234
2235 err = videobuf_streamoff(saa7134_queue(fh));
2236 if (err < 0)
2237 return err;
2238 res_free(dev, fh, res);
2239 return 0;
2240 }
2241
2242 static int saa7134_g_parm(struct file *file, void *fh,
2243 struct v4l2_streamparm *parm)
2244 {
2245 return 0;
2246 }
2247
2248 #ifdef CONFIG_VIDEO_ADV_DEBUG
2249 static int vidioc_g_register (struct file *file, void *priv,
2250 struct v4l2_dbg_register *reg)
2251 {
2252 struct saa7134_fh *fh = priv;
2253 struct saa7134_dev *dev = fh->dev;
2254
2255 if (!v4l2_chip_match_host(&reg->match))
2256 return -EINVAL;
2257 reg->val = saa_readb(reg->reg);
2258 reg->size = 1;
2259 return 0;
2260 }
2261
2262 static int vidioc_s_register (struct file *file, void *priv,
2263 struct v4l2_dbg_register *reg)
2264 {
2265 struct saa7134_fh *fh = priv;
2266 struct saa7134_dev *dev = fh->dev;
2267
2268 if (!v4l2_chip_match_host(&reg->match))
2269 return -EINVAL;
2270 saa_writeb(reg->reg&0xffffff, reg->val);
2271 return 0;
2272 }
2273 #endif
2274
2275 static int radio_querycap(struct file *file, void *priv,
2276 struct v4l2_capability *cap)
2277 {
2278 struct saa7134_fh *fh = file->private_data;
2279 struct saa7134_dev *dev = fh->dev;
2280
2281 strcpy(cap->driver, "saa7134");
2282 strlcpy(cap->card, saa7134_boards[dev->board].name, sizeof(cap->card));
2283 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
2284 cap->version = SAA7134_VERSION_CODE;
2285 cap->capabilities = V4L2_CAP_TUNER;
2286 return 0;
2287 }
2288
2289 static int radio_g_tuner(struct file *file, void *priv,
2290 struct v4l2_tuner *t)
2291 {
2292 struct saa7134_fh *fh = file->private_data;
2293 struct saa7134_dev *dev = fh->dev;
2294
2295 if (0 != t->index)
2296 return -EINVAL;
2297
2298 memset(t, 0, sizeof(*t));
2299 strcpy(t->name, "Radio");
2300 t->type = V4L2_TUNER_RADIO;
2301
2302 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2303 if (dev->input->amux == TV) {
2304 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2305 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2306 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2307 }
2308 return 0;
2309 }
2310 static int radio_s_tuner(struct file *file, void *priv,
2311 struct v4l2_tuner *t)
2312 {
2313 struct saa7134_fh *fh = file->private_data;
2314 struct saa7134_dev *dev = fh->dev;
2315
2316 if (0 != t->index)
2317 return -EINVAL;
2318
2319 saa7134_i2c_call_clients(dev, VIDIOC_S_TUNER, t);
2320 return 0;
2321 }
2322
2323 static int radio_enum_input(struct file *file, void *priv,
2324 struct v4l2_input *i)
2325 {
2326 if (i->index != 0)
2327 return -EINVAL;
2328
2329 strcpy(i->name, "Radio");
2330 i->type = V4L2_INPUT_TYPE_TUNER;
2331
2332 return 0;
2333 }
2334
2335 static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2336 {
2337 *i = 0;
2338 return 0;
2339 }
2340
2341 static int radio_g_audio(struct file *file, void *priv,
2342 struct v4l2_audio *a)
2343 {
2344 memset(a, 0, sizeof(*a));
2345 strcpy(a->name, "Radio");
2346 return 0;
2347 }
2348
2349 static int radio_s_audio(struct file *file, void *priv,
2350 struct v4l2_audio *a)
2351 {
2352 return 0;
2353 }
2354
2355 static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2356 {
2357 return 0;
2358 }
2359
2360 static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm)
2361 {
2362 return 0;
2363 }
2364
2365 static int radio_queryctrl(struct file *file, void *priv,
2366 struct v4l2_queryctrl *c)
2367 {
2368 const struct v4l2_queryctrl *ctrl;
2369
2370 if (c->id < V4L2_CID_BASE ||
2371 c->id >= V4L2_CID_LASTP1)
2372 return -EINVAL;
2373 if (c->id == V4L2_CID_AUDIO_MUTE) {
2374 ctrl = ctrl_by_id(c->id);
2375 *c = *ctrl;
2376 } else
2377 *c = no_ctrl;
2378 return 0;
2379 }
2380
2381 static const struct v4l2_file_operations video_fops =
2382 {
2383 .owner = THIS_MODULE,
2384 .open = video_open,
2385 .release = video_release,
2386 .read = video_read,
2387 .poll = video_poll,
2388 .mmap = video_mmap,
2389 .ioctl = video_ioctl2,
2390 };
2391
2392 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2393 .vidioc_querycap = saa7134_querycap,
2394 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap,
2395 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
2396 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
2397 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
2398 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay,
2399 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay,
2400 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay,
2401 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay,
2402 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2403 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2404 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2405 .vidioc_g_audio = saa7134_g_audio,
2406 .vidioc_s_audio = saa7134_s_audio,
2407 .vidioc_cropcap = saa7134_cropcap,
2408 .vidioc_reqbufs = saa7134_reqbufs,
2409 .vidioc_querybuf = saa7134_querybuf,
2410 .vidioc_qbuf = saa7134_qbuf,
2411 .vidioc_dqbuf = saa7134_dqbuf,
2412 .vidioc_s_std = saa7134_s_std,
2413 .vidioc_g_std = saa7134_g_std,
2414 .vidioc_enum_input = saa7134_enum_input,
2415 .vidioc_g_input = saa7134_g_input,
2416 .vidioc_s_input = saa7134_s_input,
2417 .vidioc_queryctrl = saa7134_queryctrl,
2418 .vidioc_g_ctrl = saa7134_g_ctrl,
2419 .vidioc_s_ctrl = saa7134_s_ctrl,
2420 .vidioc_streamon = saa7134_streamon,
2421 .vidioc_streamoff = saa7134_streamoff,
2422 .vidioc_g_tuner = saa7134_g_tuner,
2423 .vidioc_s_tuner = saa7134_s_tuner,
2424 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2425 .vidiocgmbuf = vidiocgmbuf,
2426 #endif
2427 .vidioc_g_crop = saa7134_g_crop,
2428 .vidioc_s_crop = saa7134_s_crop,
2429 .vidioc_g_fbuf = saa7134_g_fbuf,
2430 .vidioc_s_fbuf = saa7134_s_fbuf,
2431 .vidioc_overlay = saa7134_overlay,
2432 .vidioc_g_priority = saa7134_g_priority,
2433 .vidioc_s_priority = saa7134_s_priority,
2434 .vidioc_g_parm = saa7134_g_parm,
2435 .vidioc_g_frequency = saa7134_g_frequency,
2436 .vidioc_s_frequency = saa7134_s_frequency,
2437 #ifdef CONFIG_VIDEO_ADV_DEBUG
2438 .vidioc_g_register = vidioc_g_register,
2439 .vidioc_s_register = vidioc_s_register,
2440 #endif
2441 };
2442
2443 static const struct v4l2_file_operations radio_fops = {
2444 .owner = THIS_MODULE,
2445 .open = video_open,
2446 .release = video_release,
2447 .ioctl = video_ioctl2,
2448 };
2449
2450 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2451 .vidioc_querycap = radio_querycap,
2452 .vidioc_g_tuner = radio_g_tuner,
2453 .vidioc_enum_input = radio_enum_input,
2454 .vidioc_g_audio = radio_g_audio,
2455 .vidioc_s_tuner = radio_s_tuner,
2456 .vidioc_s_audio = radio_s_audio,
2457 .vidioc_s_input = radio_s_input,
2458 .vidioc_s_std = radio_s_std,
2459 .vidioc_queryctrl = radio_queryctrl,
2460 .vidioc_g_input = radio_g_input,
2461 .vidioc_g_ctrl = saa7134_g_ctrl,
2462 .vidioc_s_ctrl = saa7134_s_ctrl,
2463 .vidioc_g_frequency = saa7134_g_frequency,
2464 .vidioc_s_frequency = saa7134_s_frequency,
2465 };
2466
2467 /* ----------------------------------------------------------- */
2468 /* exported stuff */
2469
2470 struct video_device saa7134_video_template = {
2471 .name = "saa7134-video",
2472 .fops = &video_fops,
2473 .ioctl_ops = &video_ioctl_ops,
2474 .minor = -1,
2475 .tvnorms = SAA7134_NORMS,
2476 .current_norm = V4L2_STD_PAL,
2477 };
2478
2479 struct video_device saa7134_radio_template = {
2480 .name = "saa7134-radio",
2481 .fops = &radio_fops,
2482 .ioctl_ops = &radio_ioctl_ops,
2483 .minor = -1,
2484 };
2485
2486 int saa7134_video_init1(struct saa7134_dev *dev)
2487 {
2488 /* sanitycheck insmod options */
2489 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2490 gbuffers = 2;
2491 if (gbufsize < 0 || gbufsize > gbufsize_max)
2492 gbufsize = gbufsize_max;
2493 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2494
2495 /* put some sensible defaults into the data structures ... */
2496 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2497 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2498 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2499 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2500 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2501 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2502 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2503 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2504
2505 if (dev->tda9887_conf && dev->ctl_automute)
2506 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2507 dev->automute = 0;
2508
2509 INIT_LIST_HEAD(&dev->video_q.queue);
2510 init_timer(&dev->video_q.timeout);
2511 dev->video_q.timeout.function = saa7134_buffer_timeout;
2512 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2513 dev->video_q.dev = dev;
2514
2515 if (saa7134_boards[dev->board].video_out)
2516 saa7134_videoport_init(dev);
2517
2518 return 0;
2519 }
2520
2521 int saa7134_videoport_init(struct saa7134_dev *dev)
2522 {
2523 /* enable video output */
2524 int vo = saa7134_boards[dev->board].video_out;
2525 int video_reg;
2526 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2527
2528 /* Configure videoport */
2529 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2530 video_reg = video_out[vo][1];
2531 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2532 video_reg &= ~VP_T_CODE_P_INVERTED;
2533 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2534 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2535 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2536 video_reg = video_out[vo][5];
2537 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2538 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2539 if (vid_port_opts & SET_CLOCK_INVERTED)
2540 video_reg |= VP_CLK_CTRL1_INVERTED;
2541 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2542 video_reg = video_out[vo][6];
2543 if (vid_port_opts & SET_VSYNC_OFF) {
2544 video_reg &= ~VP_VS_TYPE_MASK;
2545 video_reg |= VP_VS_TYPE_OFF;
2546 }
2547 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2548 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2549 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2550
2551 /* Start videoport */
2552 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2553
2554 return 0;
2555 }
2556
2557 int saa7134_video_init2(struct saa7134_dev *dev)
2558 {
2559 /* init video hw */
2560 set_tvnorm(dev,&tvnorms[0]);
2561 video_mux(dev,0);
2562 saa7134_tvaudio_setmute(dev);
2563 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2564 return 0;
2565 }
2566
2567 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2568 {
2569 static const char *st[] = {
2570 "(no signal)", "NTSC", "PAL", "SECAM" };
2571 u32 st1,st2;
2572
2573 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2574 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2575 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2576 (st1 & 0x40) ? "not locked" : "locked",
2577 (st2 & 0x40) ? "no" : "yes",
2578 st[st1 & 0x03]);
2579 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2580
2581 if (dev->nosignal) {
2582 /* no video signal -> mute audio */
2583 if (dev->ctl_automute)
2584 dev->automute = 1;
2585 saa7134_tvaudio_setmute(dev);
2586 } else {
2587 /* wake up tvaudio audio carrier scan thread */
2588 saa7134_tvaudio_do_scan(dev);
2589 }
2590
2591 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2592 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2593 else
2594 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2595
2596 if (dev->mops && dev->mops->signal_change)
2597 dev->mops->signal_change(dev);
2598 }
2599
2600
2601 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2602 {
2603 enum v4l2_field field;
2604
2605 spin_lock(&dev->slock);
2606 if (dev->video_q.curr) {
2607 dev->video_fieldcount++;
2608 field = dev->video_q.curr->vb.field;
2609 if (V4L2_FIELD_HAS_BOTH(field)) {
2610 /* make sure we have seen both fields */
2611 if ((status & 0x10) == 0x00) {
2612 dev->video_q.curr->top_seen = 1;
2613 goto done;
2614 }
2615 if (!dev->video_q.curr->top_seen)
2616 goto done;
2617 } else if (field == V4L2_FIELD_TOP) {
2618 if ((status & 0x10) != 0x10)
2619 goto done;
2620 } else if (field == V4L2_FIELD_BOTTOM) {
2621 if ((status & 0x10) != 0x00)
2622 goto done;
2623 }
2624 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2625 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2626 }
2627 saa7134_buffer_next(dev,&dev->video_q);
2628
2629 done:
2630 spin_unlock(&dev->slock);
2631 }
2632
2633 /* ----------------------------------------------------------- */
2634 /*
2635 * Local variables:
2636 * c-basic-offset: 8
2637 * End:
2638 */
(Inofficial) Linux kernel tree running on the Nao robot