projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
[media] saa7134: v4l2-compliance: fix g_tuner/s_tuner
[deliverable/linux.git] / drivers / media / pci / 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 #include <media/saa6588.h>
34
35 /* ------------------------------------------------------------------ */
36
37 unsigned int video_debug;
38 static unsigned int gbuffers = 8;
39 static unsigned int noninterlaced; /* 0 */
40 static unsigned int gbufsize = 720*576*4;
41 static unsigned int gbufsize_max = 720*576*4;
42 static char secam[] = "--";
43 module_param(video_debug, int, 0644);
44 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
45 module_param(gbuffers, int, 0444);
46 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
47 module_param(noninterlaced, int, 0644);
48 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
49 module_param_string(secam, secam, sizeof(secam), 0644);
50 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
51
52
53 #define dprintk(fmt, arg...) if (video_debug&0x04) \
54 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
55
56 /* ------------------------------------------------------------------ */
57 /* Defines for Video Output Port Register at address 0x191 */
58
59 /* Bit 0: VIP code T bit polarity */
60
61 #define VP_T_CODE_P_NON_INVERTED 0x00
62 #define VP_T_CODE_P_INVERTED 0x01
63
64 /* ------------------------------------------------------------------ */
65 /* Defines for Video Output Port Register at address 0x195 */
66
67 /* Bit 2: Video output clock delay control */
68
69 #define VP_CLK_CTRL2_NOT_DELAYED 0x00
70 #define VP_CLK_CTRL2_DELAYED 0x04
71
72 /* Bit 1: Video output clock invert control */
73
74 #define VP_CLK_CTRL1_NON_INVERTED 0x00
75 #define VP_CLK_CTRL1_INVERTED 0x02
76
77 /* ------------------------------------------------------------------ */
78 /* Defines for Video Output Port Register at address 0x196 */
79
80 /* Bits 2 to 0: VSYNC pin video vertical sync type */
81
82 #define VP_VS_TYPE_MASK 0x07
83
84 #define VP_VS_TYPE_OFF 0x00
85 #define VP_VS_TYPE_V123 0x01
86 #define VP_VS_TYPE_V_ITU 0x02
87 #define VP_VS_TYPE_VGATE_L 0x03
88 #define VP_VS_TYPE_RESERVED1 0x04
89 #define VP_VS_TYPE_RESERVED2 0x05
90 #define VP_VS_TYPE_F_ITU 0x06
91 #define VP_VS_TYPE_SC_FID 0x07
92
93 /* ------------------------------------------------------------------ */
94 /* data structs for video */
95
96 static int video_out[][9] = {
97 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
98 };
99
100 static struct saa7134_format formats[] = {
101 {
102 .name = "8 bpp gray",
103 .fourcc = V4L2_PIX_FMT_GREY,
104 .depth = 8,
105 .pm = 0x06,
106 },{
107 .name = "15 bpp RGB, le",
108 .fourcc = V4L2_PIX_FMT_RGB555,
109 .depth = 16,
110 .pm = 0x13 | 0x80,
111 },{
112 .name = "15 bpp RGB, be",
113 .fourcc = V4L2_PIX_FMT_RGB555X,
114 .depth = 16,
115 .pm = 0x13 | 0x80,
116 .bswap = 1,
117 },{
118 .name = "16 bpp RGB, le",
119 .fourcc = V4L2_PIX_FMT_RGB565,
120 .depth = 16,
121 .pm = 0x10 | 0x80,
122 },{
123 .name = "16 bpp RGB, be",
124 .fourcc = V4L2_PIX_FMT_RGB565X,
125 .depth = 16,
126 .pm = 0x10 | 0x80,
127 .bswap = 1,
128 },{
129 .name = "24 bpp RGB, le",
130 .fourcc = V4L2_PIX_FMT_BGR24,
131 .depth = 24,
132 .pm = 0x11,
133 },{
134 .name = "24 bpp RGB, be",
135 .fourcc = V4L2_PIX_FMT_RGB24,
136 .depth = 24,
137 .pm = 0x11,
138 .bswap = 1,
139 },{
140 .name = "32 bpp RGB, le",
141 .fourcc = V4L2_PIX_FMT_BGR32,
142 .depth = 32,
143 .pm = 0x12,
144 },{
145 .name = "32 bpp RGB, be",
146 .fourcc = V4L2_PIX_FMT_RGB32,
147 .depth = 32,
148 .pm = 0x12,
149 .bswap = 1,
150 .wswap = 1,
151 },{
152 .name = "4:2:2 packed, YUYV",
153 .fourcc = V4L2_PIX_FMT_YUYV,
154 .depth = 16,
155 .pm = 0x00,
156 .bswap = 1,
157 .yuv = 1,
158 },{
159 .name = "4:2:2 packed, UYVY",
160 .fourcc = V4L2_PIX_FMT_UYVY,
161 .depth = 16,
162 .pm = 0x00,
163 .yuv = 1,
164 },{
165 .name = "4:2:2 planar, Y-Cb-Cr",
166 .fourcc = V4L2_PIX_FMT_YUV422P,
167 .depth = 16,
168 .pm = 0x09,
169 .yuv = 1,
170 .planar = 1,
171 .hshift = 1,
172 .vshift = 0,
173 },{
174 .name = "4:2:0 planar, Y-Cb-Cr",
175 .fourcc = V4L2_PIX_FMT_YUV420,
176 .depth = 12,
177 .pm = 0x0a,
178 .yuv = 1,
179 .planar = 1,
180 .hshift = 1,
181 .vshift = 1,
182 },{
183 .name = "4:2:0 planar, Y-Cb-Cr",
184 .fourcc = V4L2_PIX_FMT_YVU420,
185 .depth = 12,
186 .pm = 0x0a,
187 .yuv = 1,
188 .planar = 1,
189 .uvswap = 1,
190 .hshift = 1,
191 .vshift = 1,
192 }
193 };
194 #define FORMATS ARRAY_SIZE(formats)
195
196 #define NORM_625_50 \
197 .h_start = 0, \
198 .h_stop = 719, \
199 .video_v_start = 24, \
200 .video_v_stop = 311, \
201 .vbi_v_start_0 = 7, \
202 .vbi_v_stop_0 = 22, \
203 .vbi_v_start_1 = 319, \
204 .src_timing = 4
205
206 #define NORM_525_60 \
207 .h_start = 0, \
208 .h_stop = 719, \
209 .video_v_start = 23, \
210 .video_v_stop = 262, \
211 .vbi_v_start_0 = 10, \
212 .vbi_v_stop_0 = 21, \
213 .vbi_v_start_1 = 273, \
214 .src_timing = 7
215
216 static struct saa7134_tvnorm tvnorms[] = {
217 {
218 .name = "PAL", /* autodetect */
219 .id = V4L2_STD_PAL,
220 NORM_625_50,
221
222 .sync_control = 0x18,
223 .luma_control = 0x40,
224 .chroma_ctrl1 = 0x81,
225 .chroma_gain = 0x2a,
226 .chroma_ctrl2 = 0x06,
227 .vgate_misc = 0x1c,
228
229 },{
230 .name = "PAL-BG",
231 .id = V4L2_STD_PAL_BG,
232 NORM_625_50,
233
234 .sync_control = 0x18,
235 .luma_control = 0x40,
236 .chroma_ctrl1 = 0x81,
237 .chroma_gain = 0x2a,
238 .chroma_ctrl2 = 0x06,
239 .vgate_misc = 0x1c,
240
241 },{
242 .name = "PAL-I",
243 .id = V4L2_STD_PAL_I,
244 NORM_625_50,
245
246 .sync_control = 0x18,
247 .luma_control = 0x40,
248 .chroma_ctrl1 = 0x81,
249 .chroma_gain = 0x2a,
250 .chroma_ctrl2 = 0x06,
251 .vgate_misc = 0x1c,
252
253 },{
254 .name = "PAL-DK",
255 .id = V4L2_STD_PAL_DK,
256 NORM_625_50,
257
258 .sync_control = 0x18,
259 .luma_control = 0x40,
260 .chroma_ctrl1 = 0x81,
261 .chroma_gain = 0x2a,
262 .chroma_ctrl2 = 0x06,
263 .vgate_misc = 0x1c,
264
265 },{
266 .name = "NTSC",
267 .id = V4L2_STD_NTSC,
268 NORM_525_60,
269
270 .sync_control = 0x59,
271 .luma_control = 0x40,
272 .chroma_ctrl1 = 0x89,
273 .chroma_gain = 0x2a,
274 .chroma_ctrl2 = 0x0e,
275 .vgate_misc = 0x18,
276
277 },{
278 .name = "SECAM",
279 .id = V4L2_STD_SECAM,
280 NORM_625_50,
281
282 .sync_control = 0x18,
283 .luma_control = 0x1b,
284 .chroma_ctrl1 = 0xd1,
285 .chroma_gain = 0x80,
286 .chroma_ctrl2 = 0x00,
287 .vgate_misc = 0x1c,
288
289 },{
290 .name = "SECAM-DK",
291 .id = V4L2_STD_SECAM_DK,
292 NORM_625_50,
293
294 .sync_control = 0x18,
295 .luma_control = 0x1b,
296 .chroma_ctrl1 = 0xd1,
297 .chroma_gain = 0x80,
298 .chroma_ctrl2 = 0x00,
299 .vgate_misc = 0x1c,
300
301 },{
302 .name = "SECAM-L",
303 .id = V4L2_STD_SECAM_L,
304 NORM_625_50,
305
306 .sync_control = 0x18,
307 .luma_control = 0x1b,
308 .chroma_ctrl1 = 0xd1,
309 .chroma_gain = 0x80,
310 .chroma_ctrl2 = 0x00,
311 .vgate_misc = 0x1c,
312
313 },{
314 .name = "SECAM-Lc",
315 .id = V4L2_STD_SECAM_LC,
316 NORM_625_50,
317
318 .sync_control = 0x18,
319 .luma_control = 0x1b,
320 .chroma_ctrl1 = 0xd1,
321 .chroma_gain = 0x80,
322 .chroma_ctrl2 = 0x00,
323 .vgate_misc = 0x1c,
324
325 },{
326 .name = "PAL-M",
327 .id = V4L2_STD_PAL_M,
328 NORM_525_60,
329
330 .sync_control = 0x59,
331 .luma_control = 0x40,
332 .chroma_ctrl1 = 0xb9,
333 .chroma_gain = 0x2a,
334 .chroma_ctrl2 = 0x0e,
335 .vgate_misc = 0x18,
336
337 },{
338 .name = "PAL-Nc",
339 .id = V4L2_STD_PAL_Nc,
340 NORM_625_50,
341
342 .sync_control = 0x18,
343 .luma_control = 0x40,
344 .chroma_ctrl1 = 0xa1,
345 .chroma_gain = 0x2a,
346 .chroma_ctrl2 = 0x06,
347 .vgate_misc = 0x1c,
348
349 },{
350 .name = "PAL-60",
351 .id = V4L2_STD_PAL_60,
352
353 .h_start = 0,
354 .h_stop = 719,
355 .video_v_start = 23,
356 .video_v_stop = 262,
357 .vbi_v_start_0 = 10,
358 .vbi_v_stop_0 = 21,
359 .vbi_v_start_1 = 273,
360 .src_timing = 7,
361
362 .sync_control = 0x18,
363 .luma_control = 0x40,
364 .chroma_ctrl1 = 0x81,
365 .chroma_gain = 0x2a,
366 .chroma_ctrl2 = 0x06,
367 .vgate_misc = 0x1c,
368 }
369 };
370 #define TVNORMS ARRAY_SIZE(tvnorms)
371
372 #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
373 #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
374 #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
375 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
376 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
377
378 static const struct v4l2_queryctrl no_ctrl = {
379 .name = "42",
380 .flags = V4L2_CTRL_FLAG_DISABLED,
381 };
382 static const struct v4l2_queryctrl video_ctrls[] = {
383 /* --- video --- */
384 {
385 .id = V4L2_CID_BRIGHTNESS,
386 .name = "Brightness",
387 .minimum = 0,
388 .maximum = 255,
389 .step = 1,
390 .default_value = 128,
391 .type = V4L2_CTRL_TYPE_INTEGER,
392 },{
393 .id = V4L2_CID_CONTRAST,
394 .name = "Contrast",
395 .minimum = 0,
396 .maximum = 127,
397 .step = 1,
398 .default_value = 68,
399 .type = V4L2_CTRL_TYPE_INTEGER,
400 },{
401 .id = V4L2_CID_SATURATION,
402 .name = "Saturation",
403 .minimum = 0,
404 .maximum = 127,
405 .step = 1,
406 .default_value = 64,
407 .type = V4L2_CTRL_TYPE_INTEGER,
408 },{
409 .id = V4L2_CID_HUE,
410 .name = "Hue",
411 .minimum = -128,
412 .maximum = 127,
413 .step = 1,
414 .default_value = 0,
415 .type = V4L2_CTRL_TYPE_INTEGER,
416 },{
417 .id = V4L2_CID_HFLIP,
418 .name = "Mirror",
419 .minimum = 0,
420 .maximum = 1,
421 .type = V4L2_CTRL_TYPE_BOOLEAN,
422 },
423 /* --- audio --- */
424 {
425 .id = V4L2_CID_AUDIO_MUTE,
426 .name = "Mute",
427 .minimum = 0,
428 .maximum = 1,
429 .type = V4L2_CTRL_TYPE_BOOLEAN,
430 },{
431 .id = V4L2_CID_AUDIO_VOLUME,
432 .name = "Volume",
433 .minimum = -15,
434 .maximum = 15,
435 .step = 1,
436 .default_value = 0,
437 .type = V4L2_CTRL_TYPE_INTEGER,
438 },
439 /* --- private --- */
440 {
441 .id = V4L2_CID_PRIVATE_INVERT,
442 .name = "Invert",
443 .minimum = 0,
444 .maximum = 1,
445 .type = V4L2_CTRL_TYPE_BOOLEAN,
446 },{
447 .id = V4L2_CID_PRIVATE_Y_ODD,
448 .name = "y offset odd field",
449 .minimum = 0,
450 .maximum = 128,
451 .step = 1,
452 .default_value = 0,
453 .type = V4L2_CTRL_TYPE_INTEGER,
454 },{
455 .id = V4L2_CID_PRIVATE_Y_EVEN,
456 .name = "y offset even field",
457 .minimum = 0,
458 .maximum = 128,
459 .step = 1,
460 .default_value = 0,
461 .type = V4L2_CTRL_TYPE_INTEGER,
462 },{
463 .id = V4L2_CID_PRIVATE_AUTOMUTE,
464 .name = "automute",
465 .minimum = 0,
466 .maximum = 1,
467 .default_value = 1,
468 .type = V4L2_CTRL_TYPE_BOOLEAN,
469 }
470 };
471 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
472
473 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
474 {
475 unsigned int i;
476
477 for (i = 0; i < CTRLS; i++)
478 if (video_ctrls[i].id == id)
479 return video_ctrls+i;
480 return NULL;
481 }
482
483 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
484 {
485 unsigned int i;
486
487 for (i = 0; i < FORMATS; i++)
488 if (formats[i].fourcc == fourcc)
489 return formats+i;
490 return NULL;
491 }
492
493 /* ----------------------------------------------------------------------- */
494 /* resource management */
495
496 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
497 {
498 if (fh->resources & bit)
499 /* have it already allocated */
500 return 1;
501
502 /* is it free? */
503 mutex_lock(&dev->lock);
504 if (dev->resources & bit) {
505 /* no, someone else uses it */
506 mutex_unlock(&dev->lock);
507 return 0;
508 }
509 /* it's free, grab it */
510 fh->resources |= bit;
511 dev->resources |= bit;
512 dprintk("res: get %d\n",bit);
513 mutex_unlock(&dev->lock);
514 return 1;
515 }
516
517 static int res_check(struct saa7134_fh *fh, unsigned int bit)
518 {
519 return (fh->resources & bit);
520 }
521
522 static int res_locked(struct saa7134_dev *dev, unsigned int bit)
523 {
524 return (dev->resources & bit);
525 }
526
527 static
528 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
529 {
530 BUG_ON((fh->resources & bits) != bits);
531
532 mutex_lock(&dev->lock);
533 fh->resources &= ~bits;
534 dev->resources &= ~bits;
535 dprintk("res: put %d\n",bits);
536 mutex_unlock(&dev->lock);
537 }
538
539 /* ------------------------------------------------------------------ */
540
541 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
542 {
543 dprintk("set tv norm = %s\n",norm->name);
544 dev->tvnorm = norm;
545
546 /* setup cropping */
547 dev->crop_bounds.left = norm->h_start;
548 dev->crop_defrect.left = norm->h_start;
549 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
550 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
551
552 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
553 dev->crop_defrect.top = norm->video_v_start*2;
554 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
555 - dev->crop_bounds.top;
556 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
557
558 dev->crop_current = dev->crop_defrect;
559
560 saa7134_set_tvnorm_hw(dev);
561 }
562
563 static void video_mux(struct saa7134_dev *dev, int input)
564 {
565 dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
566 dev->ctl_input = input;
567 set_tvnorm(dev, dev->tvnorm);
568 saa7134_tvaudio_setinput(dev, &card_in(dev, input));
569 }
570
571
572 static void saa7134_set_decoder(struct saa7134_dev *dev)
573 {
574 int luma_control, sync_control, mux;
575
576 struct saa7134_tvnorm *norm = dev->tvnorm;
577 mux = card_in(dev, dev->ctl_input).vmux;
578
579 luma_control = norm->luma_control;
580 sync_control = norm->sync_control;
581
582 if (mux > 5)
583 luma_control |= 0x80; /* svideo */
584 if (noninterlaced || dev->nosignal)
585 sync_control |= 0x20;
586
587 /* setup video decoder */
588 saa_writeb(SAA7134_INCR_DELAY, 0x08);
589 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
590 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
591
592 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
593 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
594 saa_writeb(SAA7134_HSYNC_START, 0xeb);
595 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
596 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
597
598 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
599 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
600 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
601
602 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
603 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
604
605 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
606 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
607
608 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
609 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
610 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
611
612 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
613 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
614
615 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
616 saa_writeb(SAA7134_VGATE_START, 0x11);
617 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
618 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
619 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
620 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
621 }
622
623 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
624 {
625 saa7134_set_decoder(dev);
626
627 if (card_in(dev, dev->ctl_input).tv)
628 saa_call_all(dev, core, s_std, dev->tvnorm->id);
629 /* Set the correct norm for the saa6752hs. This function
630 does nothing if there is no saa6752hs. */
631 saa_call_empress(dev, core, s_std, dev->tvnorm->id);
632 }
633
634 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
635 {
636 static const struct {
637 int xpsc;
638 int xacl;
639 int xc2_1;
640 int xdcg;
641 int vpfy;
642 } vals[] = {
643 /* XPSC XACL XC2_1 XDCG VPFY */
644 { 1, 0, 0, 0, 0 },
645 { 2, 2, 1, 2, 2 },
646 { 3, 4, 1, 3, 2 },
647 { 4, 8, 1, 4, 2 },
648 { 5, 8, 1, 4, 2 },
649 { 6, 8, 1, 4, 3 },
650 { 7, 8, 1, 4, 3 },
651 { 8, 15, 0, 4, 3 },
652 { 9, 15, 0, 4, 3 },
653 { 10, 16, 1, 5, 3 },
654 };
655 static const int count = ARRAY_SIZE(vals);
656 int i;
657
658 for (i = 0; i < count; i++)
659 if (vals[i].xpsc == prescale)
660 break;
661 if (i == count)
662 return;
663
664 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
665 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
666 saa_writeb(SAA7134_LEVEL_CTRL(task),
667 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
668 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
669 (vals[i].vpfy << 2) | vals[i].vpfy);
670 }
671
672 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
673 {
674 int val,mirror;
675
676 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
677 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
678
679 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
680 if (yscale < 2048) {
681 /* LPI */
682 dprintk("yscale LPI yscale=%d\n",yscale);
683 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
684 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
685 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
686 } else {
687 /* ACM */
688 val = 0x40 * 1024 / yscale;
689 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
690 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
691 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
692 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
693 }
694 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
695 }
696
697 static void set_size(struct saa7134_dev *dev, int task,
698 int width, int height, int interlace)
699 {
700 int prescale,xscale,yscale,y_even,y_odd;
701 int h_start, h_stop, v_start, v_stop;
702 int div = interlace ? 2 : 1;
703
704 /* setup video scaler */
705 h_start = dev->crop_current.left;
706 v_start = dev->crop_current.top/2;
707 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
708 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
709
710 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
711 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
712 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
713 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
714 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
715 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
716 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
717 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
718
719 prescale = dev->crop_current.width / width;
720 if (0 == prescale)
721 prescale = 1;
722 xscale = 1024 * dev->crop_current.width / prescale / width;
723 yscale = 512 * div * dev->crop_current.height / height;
724 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
725 set_h_prescale(dev,task,prescale);
726 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
727 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
728 set_v_scale(dev,task,yscale);
729
730 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
731 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
732 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
733 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
734
735 /* deinterlace y offsets */
736 y_odd = dev->ctl_y_odd;
737 y_even = dev->ctl_y_even;
738 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
739 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
740 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
741 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
742 }
743
744 /* ------------------------------------------------------------------ */
745
746 struct cliplist {
747 __u16 position;
748 __u8 enable;
749 __u8 disable;
750 };
751
752 static void set_cliplist(struct saa7134_dev *dev, int reg,
753 struct cliplist *cl, int entries, char *name)
754 {
755 __u8 winbits = 0;
756 int i;
757
758 for (i = 0; i < entries; i++) {
759 winbits |= cl[i].enable;
760 winbits &= ~cl[i].disable;
761 if (i < 15 && cl[i].position == cl[i+1].position)
762 continue;
763 saa_writeb(reg + 0, winbits);
764 saa_writeb(reg + 2, cl[i].position & 0xff);
765 saa_writeb(reg + 3, cl[i].position >> 8);
766 dprintk("clip: %s winbits=%02x pos=%d\n",
767 name,winbits,cl[i].position);
768 reg += 8;
769 }
770 for (; reg < 0x400; reg += 8) {
771 saa_writeb(reg+ 0, 0);
772 saa_writeb(reg + 1, 0);
773 saa_writeb(reg + 2, 0);
774 saa_writeb(reg + 3, 0);
775 }
776 }
777
778 static int clip_range(int val)
779 {
780 if (val < 0)
781 val = 0;
782 return val;
783 }
784
785 /* Sort into smallest position first order */
786 static int cliplist_cmp(const void *a, const void *b)
787 {
788 const struct cliplist *cla = a;
789 const struct cliplist *clb = b;
790 if (cla->position < clb->position)
791 return -1;
792 if (cla->position > clb->position)
793 return 1;
794 return 0;
795 }
796
797 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
798 int nclips, int interlace)
799 {
800 struct cliplist col[16], row[16];
801 int cols = 0, rows = 0, i;
802 int div = interlace ? 2 : 1;
803
804 memset(col, 0, sizeof(col));
805 memset(row, 0, sizeof(row));
806 for (i = 0; i < nclips && i < 8; i++) {
807 col[cols].position = clip_range(clips[i].c.left);
808 col[cols].enable = (1 << i);
809 cols++;
810 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
811 col[cols].disable = (1 << i);
812 cols++;
813 row[rows].position = clip_range(clips[i].c.top / div);
814 row[rows].enable = (1 << i);
815 rows++;
816 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
817 / div);
818 row[rows].disable = (1 << i);
819 rows++;
820 }
821 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
822 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
823 set_cliplist(dev,0x380,col,cols,"cols");
824 set_cliplist(dev,0x384,row,rows,"rows");
825 return 0;
826 }
827
828 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
829 {
830 enum v4l2_field field;
831 int maxw, maxh;
832
833 if (NULL == dev->ovbuf.base)
834 return -EINVAL;
835 if (NULL == dev->ovfmt)
836 return -EINVAL;
837 if (win->w.width < 48 || win->w.height < 32)
838 return -EINVAL;
839 if (win->clipcount > 2048)
840 return -EINVAL;
841
842 field = win->field;
843 maxw = dev->crop_current.width;
844 maxh = dev->crop_current.height;
845
846 if (V4L2_FIELD_ANY == field) {
847 field = (win->w.height > maxh/2)
848 ? V4L2_FIELD_INTERLACED
849 : V4L2_FIELD_TOP;
850 }
851 switch (field) {
852 case V4L2_FIELD_TOP:
853 case V4L2_FIELD_BOTTOM:
854 maxh = maxh / 2;
855 break;
856 case V4L2_FIELD_INTERLACED:
857 break;
858 default:
859 return -EINVAL;
860 }
861
862 win->field = field;
863 if (win->w.width > maxw)
864 win->w.width = maxw;
865 if (win->w.height > maxh)
866 win->w.height = maxh;
867 return 0;
868 }
869
870 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
871 {
872 unsigned long base,control,bpl;
873 int err;
874
875 err = verify_preview(dev,&fh->win);
876 if (0 != err)
877 return err;
878
879 dev->ovfield = fh->win.field;
880 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
881 fh->win.w.width,fh->win.w.height,
882 fh->win.w.left,fh->win.w.top,
883 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
884
885 /* setup window + clipping */
886 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
887 V4L2_FIELD_HAS_BOTH(dev->ovfield));
888 setup_clipping(dev,fh->clips,fh->nclips,
889 V4L2_FIELD_HAS_BOTH(dev->ovfield));
890 if (dev->ovfmt->yuv)
891 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
892 else
893 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
894 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
895
896 /* dma: setup channel 1 (= Video Task B) */
897 base = (unsigned long)dev->ovbuf.base;
898 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
899 base += dev->ovfmt->depth/8 * fh->win.w.left;
900 bpl = dev->ovbuf.fmt.bytesperline;
901 control = SAA7134_RS_CONTROL_BURST_16;
902 if (dev->ovfmt->bswap)
903 control |= SAA7134_RS_CONTROL_BSWAP;
904 if (dev->ovfmt->wswap)
905 control |= SAA7134_RS_CONTROL_WSWAP;
906 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
907 saa_writel(SAA7134_RS_BA1(1),base);
908 saa_writel(SAA7134_RS_BA2(1),base+bpl);
909 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
910 saa_writel(SAA7134_RS_CONTROL(1),control);
911 } else {
912 saa_writel(SAA7134_RS_BA1(1),base);
913 saa_writel(SAA7134_RS_BA2(1),base);
914 saa_writel(SAA7134_RS_PITCH(1),bpl);
915 saa_writel(SAA7134_RS_CONTROL(1),control);
916 }
917
918 /* start dma */
919 dev->ovenable = 1;
920 saa7134_set_dmabits(dev);
921
922 return 0;
923 }
924
925 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
926 {
927 dev->ovenable = 0;
928 saa7134_set_dmabits(dev);
929 return 0;
930 }
931
932 /* ------------------------------------------------------------------ */
933
934 static int buffer_activate(struct saa7134_dev *dev,
935 struct saa7134_buf *buf,
936 struct saa7134_buf *next)
937 {
938 unsigned long base,control,bpl;
939 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
940
941 dprintk("buffer_activate buf=%p\n",buf);
942 buf->vb.state = VIDEOBUF_ACTIVE;
943 buf->top_seen = 0;
944
945 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
946 V4L2_FIELD_HAS_BOTH(buf->vb.field));
947 if (buf->fmt->yuv)
948 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
949 else
950 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
951 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
952
953 /* DMA: setup channel 0 (= Video Task A0) */
954 base = saa7134_buffer_base(buf);
955 if (buf->fmt->planar)
956 bpl = buf->vb.width;
957 else
958 bpl = (buf->vb.width * buf->fmt->depth) / 8;
959 control = SAA7134_RS_CONTROL_BURST_16 |
960 SAA7134_RS_CONTROL_ME |
961 (buf->pt->dma >> 12);
962 if (buf->fmt->bswap)
963 control |= SAA7134_RS_CONTROL_BSWAP;
964 if (buf->fmt->wswap)
965 control |= SAA7134_RS_CONTROL_WSWAP;
966 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
967 /* interlaced */
968 saa_writel(SAA7134_RS_BA1(0),base);
969 saa_writel(SAA7134_RS_BA2(0),base+bpl);
970 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
971 } else {
972 /* non-interlaced */
973 saa_writel(SAA7134_RS_BA1(0),base);
974 saa_writel(SAA7134_RS_BA2(0),base);
975 saa_writel(SAA7134_RS_PITCH(0),bpl);
976 }
977 saa_writel(SAA7134_RS_CONTROL(0),control);
978
979 if (buf->fmt->planar) {
980 /* DMA: setup channel 4+5 (= planar task A) */
981 bpl_uv = bpl >> buf->fmt->hshift;
982 lines_uv = buf->vb.height >> buf->fmt->vshift;
983 base2 = base + bpl * buf->vb.height;
984 base3 = base2 + bpl_uv * lines_uv;
985 if (buf->fmt->uvswap)
986 tmp = base2, base2 = base3, base3 = tmp;
987 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
988 bpl_uv,lines_uv,base2,base3);
989 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
990 /* interlaced */
991 saa_writel(SAA7134_RS_BA1(4),base2);
992 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
993 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
994 saa_writel(SAA7134_RS_BA1(5),base3);
995 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
996 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
997 } else {
998 /* non-interlaced */
999 saa_writel(SAA7134_RS_BA1(4),base2);
1000 saa_writel(SAA7134_RS_BA2(4),base2);
1001 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1002 saa_writel(SAA7134_RS_BA1(5),base3);
1003 saa_writel(SAA7134_RS_BA2(5),base3);
1004 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1005 }
1006 saa_writel(SAA7134_RS_CONTROL(4),control);
1007 saa_writel(SAA7134_RS_CONTROL(5),control);
1008 }
1009
1010 /* start DMA */
1011 saa7134_set_dmabits(dev);
1012 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1013 return 0;
1014 }
1015
1016 static int buffer_prepare(struct videobuf_queue *q,
1017 struct videobuf_buffer *vb,
1018 enum v4l2_field field)
1019 {
1020 struct saa7134_fh *fh = q->priv_data;
1021 struct saa7134_dev *dev = fh->dev;
1022 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1023 unsigned int size;
1024 int err;
1025
1026 /* sanity checks */
1027 if (NULL == fh->fmt)
1028 return -EINVAL;
1029 if (fh->width < 48 ||
1030 fh->height < 32 ||
1031 fh->width/4 > dev->crop_current.width ||
1032 fh->height/4 > dev->crop_current.height ||
1033 fh->width > dev->crop_bounds.width ||
1034 fh->height > dev->crop_bounds.height)
1035 return -EINVAL;
1036 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1037 if (0 != buf->vb.baddr && buf->vb.bsize < size)
1038 return -EINVAL;
1039
1040 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1041 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1042 fh->fmt->name);
1043 if (buf->vb.width != fh->width ||
1044 buf->vb.height != fh->height ||
1045 buf->vb.size != size ||
1046 buf->vb.field != field ||
1047 buf->fmt != fh->fmt) {
1048 saa7134_dma_free(q,buf);
1049 }
1050
1051 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1052 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1053
1054 buf->vb.width = fh->width;
1055 buf->vb.height = fh->height;
1056 buf->vb.size = size;
1057 buf->vb.field = field;
1058 buf->fmt = fh->fmt;
1059 buf->pt = &fh->pt_cap;
1060 dev->video_q.curr = NULL;
1061
1062 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1063 if (err)
1064 goto oops;
1065 err = saa7134_pgtable_build(dev->pci,buf->pt,
1066 dma->sglist,
1067 dma->sglen,
1068 saa7134_buffer_startpage(buf));
1069 if (err)
1070 goto oops;
1071 }
1072 buf->vb.state = VIDEOBUF_PREPARED;
1073 buf->activate = buffer_activate;
1074 return 0;
1075
1076 oops:
1077 saa7134_dma_free(q,buf);
1078 return err;
1079 }
1080
1081 static int
1082 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1083 {
1084 struct saa7134_fh *fh = q->priv_data;
1085
1086 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1087 if (0 == *count)
1088 *count = gbuffers;
1089 *count = saa7134_buffer_count(*size,*count);
1090 return 0;
1091 }
1092
1093 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1094 {
1095 struct saa7134_fh *fh = q->priv_data;
1096 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1097
1098 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1099 }
1100
1101 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1102 {
1103 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1104
1105 saa7134_dma_free(q,buf);
1106 }
1107
1108 static struct videobuf_queue_ops video_qops = {
1109 .buf_setup = buffer_setup,
1110 .buf_prepare = buffer_prepare,
1111 .buf_queue = buffer_queue,
1112 .buf_release = buffer_release,
1113 };
1114
1115 /* ------------------------------------------------------------------ */
1116
1117 int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1118 {
1119 const struct v4l2_queryctrl* ctrl;
1120
1121 ctrl = ctrl_by_id(c->id);
1122 if (NULL == ctrl)
1123 return -EINVAL;
1124 switch (c->id) {
1125 case V4L2_CID_BRIGHTNESS:
1126 c->value = dev->ctl_bright;
1127 break;
1128 case V4L2_CID_HUE:
1129 c->value = dev->ctl_hue;
1130 break;
1131 case V4L2_CID_CONTRAST:
1132 c->value = dev->ctl_contrast;
1133 break;
1134 case V4L2_CID_SATURATION:
1135 c->value = dev->ctl_saturation;
1136 break;
1137 case V4L2_CID_AUDIO_MUTE:
1138 c->value = dev->ctl_mute;
1139 break;
1140 case V4L2_CID_AUDIO_VOLUME:
1141 c->value = dev->ctl_volume;
1142 break;
1143 case V4L2_CID_PRIVATE_INVERT:
1144 c->value = dev->ctl_invert;
1145 break;
1146 case V4L2_CID_HFLIP:
1147 c->value = dev->ctl_mirror;
1148 break;
1149 case V4L2_CID_PRIVATE_Y_EVEN:
1150 c->value = dev->ctl_y_even;
1151 break;
1152 case V4L2_CID_PRIVATE_Y_ODD:
1153 c->value = dev->ctl_y_odd;
1154 break;
1155 case V4L2_CID_PRIVATE_AUTOMUTE:
1156 c->value = dev->ctl_automute;
1157 break;
1158 default:
1159 return -EINVAL;
1160 }
1161 return 0;
1162 }
1163 EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal);
1164
1165 static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c)
1166 {
1167 struct saa7134_fh *fh = priv;
1168
1169 return saa7134_g_ctrl_internal(fh->dev, fh, c);
1170 }
1171
1172 int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1173 {
1174 const struct v4l2_queryctrl* ctrl;
1175 unsigned long flags;
1176 int restart_overlay = 0;
1177 int err;
1178
1179 err = -EINVAL;
1180
1181 mutex_lock(&dev->lock);
1182
1183 ctrl = ctrl_by_id(c->id);
1184 if (NULL == ctrl)
1185 goto error;
1186
1187 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1188 switch (ctrl->type) {
1189 case V4L2_CTRL_TYPE_BOOLEAN:
1190 case V4L2_CTRL_TYPE_MENU:
1191 case V4L2_CTRL_TYPE_INTEGER:
1192 if (c->value < ctrl->minimum)
1193 c->value = ctrl->minimum;
1194 if (c->value > ctrl->maximum)
1195 c->value = ctrl->maximum;
1196 break;
1197 default:
1198 /* nothing */;
1199 }
1200 switch (c->id) {
1201 case V4L2_CID_BRIGHTNESS:
1202 dev->ctl_bright = c->value;
1203 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1204 break;
1205 case V4L2_CID_HUE:
1206 dev->ctl_hue = c->value;
1207 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1208 break;
1209 case V4L2_CID_CONTRAST:
1210 dev->ctl_contrast = c->value;
1211 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1212 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1213 break;
1214 case V4L2_CID_SATURATION:
1215 dev->ctl_saturation = c->value;
1216 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1217 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1218 break;
1219 case V4L2_CID_AUDIO_MUTE:
1220 dev->ctl_mute = c->value;
1221 saa7134_tvaudio_setmute(dev);
1222 break;
1223 case V4L2_CID_AUDIO_VOLUME:
1224 dev->ctl_volume = c->value;
1225 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1226 break;
1227 case V4L2_CID_PRIVATE_INVERT:
1228 dev->ctl_invert = c->value;
1229 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1230 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1231 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1232 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1233 break;
1234 case V4L2_CID_HFLIP:
1235 dev->ctl_mirror = c->value;
1236 restart_overlay = 1;
1237 break;
1238 case V4L2_CID_PRIVATE_Y_EVEN:
1239 dev->ctl_y_even = c->value;
1240 restart_overlay = 1;
1241 break;
1242 case V4L2_CID_PRIVATE_Y_ODD:
1243 dev->ctl_y_odd = c->value;
1244 restart_overlay = 1;
1245 break;
1246 case V4L2_CID_PRIVATE_AUTOMUTE:
1247 {
1248 struct v4l2_priv_tun_config tda9887_cfg;
1249
1250 tda9887_cfg.tuner = TUNER_TDA9887;
1251 tda9887_cfg.priv = &dev->tda9887_conf;
1252
1253 dev->ctl_automute = c->value;
1254 if (dev->tda9887_conf) {
1255 if (dev->ctl_automute)
1256 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1257 else
1258 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1259
1260 saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1261 }
1262 break;
1263 }
1264 default:
1265 goto error;
1266 }
1267 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1268 spin_lock_irqsave(&dev->slock,flags);
1269 stop_preview(dev,fh);
1270 start_preview(dev,fh);
1271 spin_unlock_irqrestore(&dev->slock,flags);
1272 }
1273 err = 0;
1274
1275 error:
1276 mutex_unlock(&dev->lock);
1277 return err;
1278 }
1279 EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal);
1280
1281 static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c)
1282 {
1283 struct saa7134_fh *fh = f;
1284
1285 return saa7134_s_ctrl_internal(fh->dev, fh, c);
1286 }
1287
1288 /* ------------------------------------------------------------------ */
1289
1290 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1291 {
1292 struct videobuf_queue* q = NULL;
1293
1294 switch (fh->type) {
1295 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1296 q = &fh->cap;
1297 break;
1298 case V4L2_BUF_TYPE_VBI_CAPTURE:
1299 q = &fh->vbi;
1300 break;
1301 default:
1302 BUG();
1303 }
1304 return q;
1305 }
1306
1307 static int saa7134_resource(struct saa7134_fh *fh)
1308 {
1309 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1310 return RESOURCE_VIDEO;
1311
1312 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1313 return RESOURCE_VBI;
1314
1315 BUG();
1316 return 0;
1317 }
1318
1319 static int video_open(struct file *file)
1320 {
1321 struct video_device *vdev = video_devdata(file);
1322 struct saa7134_dev *dev = video_drvdata(file);
1323 struct saa7134_fh *fh;
1324 enum v4l2_buf_type type = 0;
1325 int radio = 0;
1326
1327 switch (vdev->vfl_type) {
1328 case VFL_TYPE_GRABBER:
1329 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1330 break;
1331 case VFL_TYPE_VBI:
1332 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1333 break;
1334 case VFL_TYPE_RADIO:
1335 radio = 1;
1336 break;
1337 }
1338
1339 dprintk("open dev=%s radio=%d type=%s\n", video_device_node_name(vdev),
1340 radio, v4l2_type_names[type]);
1341
1342 /* allocate + initialize per filehandle data */
1343 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1344 if (NULL == fh)
1345 return -ENOMEM;
1346
1347 v4l2_fh_init(&fh->fh, vdev);
1348 file->private_data = fh;
1349 fh->dev = dev;
1350 fh->radio = radio;
1351 fh->type = type;
1352 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1353 fh->width = 720;
1354 fh->height = 576;
1355
1356 videobuf_queue_sg_init(&fh->cap, &video_qops,
1357 &dev->pci->dev, &dev->slock,
1358 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1359 V4L2_FIELD_INTERLACED,
1360 sizeof(struct saa7134_buf),
1361 fh, NULL);
1362 videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops,
1363 &dev->pci->dev, &dev->slock,
1364 V4L2_BUF_TYPE_VBI_CAPTURE,
1365 V4L2_FIELD_SEQ_TB,
1366 sizeof(struct saa7134_buf),
1367 fh, NULL);
1368 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1369 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1370
1371 if (fh->radio) {
1372 /* switch to radio mode */
1373 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1374 saa_call_all(dev, tuner, s_radio);
1375 } else {
1376 /* switch to video/vbi mode */
1377 video_mux(dev,dev->ctl_input);
1378 }
1379 v4l2_fh_add(&fh->fh);
1380
1381 return 0;
1382 }
1383
1384 static ssize_t
1385 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1386 {
1387 struct saa7134_fh *fh = file->private_data;
1388
1389 switch (fh->type) {
1390 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1391 if (res_locked(fh->dev,RESOURCE_VIDEO))
1392 return -EBUSY;
1393 return videobuf_read_one(saa7134_queue(fh),
1394 data, count, ppos,
1395 file->f_flags & O_NONBLOCK);
1396 case V4L2_BUF_TYPE_VBI_CAPTURE:
1397 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1398 return -EBUSY;
1399 return videobuf_read_stream(saa7134_queue(fh),
1400 data, count, ppos, 1,
1401 file->f_flags & O_NONBLOCK);
1402 break;
1403 default:
1404 BUG();
1405 return 0;
1406 }
1407 }
1408
1409 static unsigned int
1410 video_poll(struct file *file, struct poll_table_struct *wait)
1411 {
1412 struct saa7134_fh *fh = file->private_data;
1413 struct videobuf_buffer *buf = NULL;
1414 unsigned int rc = 0;
1415
1416 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1417 return videobuf_poll_stream(file, &fh->vbi, wait);
1418
1419 if (res_check(fh,RESOURCE_VIDEO)) {
1420 mutex_lock(&fh->cap.vb_lock);
1421 if (!list_empty(&fh->cap.stream))
1422 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1423 } else {
1424 mutex_lock(&fh->cap.vb_lock);
1425 if (UNSET == fh->cap.read_off) {
1426 /* need to capture a new frame */
1427 if (res_locked(fh->dev,RESOURCE_VIDEO))
1428 goto err;
1429 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field))
1430 goto err;
1431 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1432 fh->cap.read_off = 0;
1433 }
1434 buf = fh->cap.read_buf;
1435 }
1436
1437 if (!buf)
1438 goto err;
1439
1440 poll_wait(file, &buf->done, wait);
1441 if (buf->state == VIDEOBUF_DONE ||
1442 buf->state == VIDEOBUF_ERROR)
1443 rc = POLLIN|POLLRDNORM;
1444 mutex_unlock(&fh->cap.vb_lock);
1445 return rc;
1446
1447 err:
1448 mutex_unlock(&fh->cap.vb_lock);
1449 return POLLERR;
1450 }
1451
1452 static int video_release(struct file *file)
1453 {
1454 struct saa7134_fh *fh = file->private_data;
1455 struct saa7134_dev *dev = fh->dev;
1456 struct saa6588_command cmd;
1457 unsigned long flags;
1458
1459 saa7134_tvaudio_close(dev);
1460
1461 /* turn off overlay */
1462 if (res_check(fh, RESOURCE_OVERLAY)) {
1463 spin_lock_irqsave(&dev->slock,flags);
1464 stop_preview(dev,fh);
1465 spin_unlock_irqrestore(&dev->slock,flags);
1466 res_free(dev,fh,RESOURCE_OVERLAY);
1467 }
1468
1469 /* stop video capture */
1470 if (res_check(fh, RESOURCE_VIDEO)) {
1471 videobuf_streamoff(&fh->cap);
1472 res_free(dev,fh,RESOURCE_VIDEO);
1473 }
1474 if (fh->cap.read_buf) {
1475 buffer_release(&fh->cap,fh->cap.read_buf);
1476 kfree(fh->cap.read_buf);
1477 }
1478
1479 /* stop vbi capture */
1480 if (res_check(fh, RESOURCE_VBI)) {
1481 videobuf_stop(&fh->vbi);
1482 res_free(dev,fh,RESOURCE_VBI);
1483 }
1484
1485 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1486 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1487 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1488 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1489 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1490
1491 saa_call_all(dev, core, s_power, 0);
1492 if (fh->radio)
1493 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1494
1495 /* free stuff */
1496 videobuf_mmap_free(&fh->cap);
1497 videobuf_mmap_free(&fh->vbi);
1498 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1499 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1500
1501 v4l2_fh_del(&fh->fh);
1502 v4l2_fh_exit(&fh->fh);
1503 file->private_data = NULL;
1504 kfree(fh);
1505 return 0;
1506 }
1507
1508 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1509 {
1510 struct saa7134_fh *fh = file->private_data;
1511
1512 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1513 }
1514
1515 static ssize_t radio_read(struct file *file, char __user *data,
1516 size_t count, loff_t *ppos)
1517 {
1518 struct saa7134_fh *fh = file->private_data;
1519 struct saa7134_dev *dev = fh->dev;
1520 struct saa6588_command cmd;
1521
1522 cmd.block_count = count/3;
1523 cmd.buffer = data;
1524 cmd.instance = file;
1525 cmd.result = -ENODEV;
1526
1527 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1528
1529 return cmd.result;
1530 }
1531
1532 static unsigned int radio_poll(struct file *file, poll_table *wait)
1533 {
1534 struct saa7134_fh *fh = file->private_data;
1535 struct saa7134_dev *dev = fh->dev;
1536 struct saa6588_command cmd;
1537
1538 cmd.instance = file;
1539 cmd.event_list = wait;
1540 cmd.result = -ENODEV;
1541 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1542
1543 return cmd.result;
1544 }
1545
1546 /* ------------------------------------------------------------------ */
1547
1548 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1549 struct v4l2_format *f)
1550 {
1551 struct saa7134_fh *fh = priv;
1552 struct saa7134_dev *dev = fh->dev;
1553 struct saa7134_tvnorm *norm = dev->tvnorm;
1554
1555 f->fmt.vbi.sampling_rate = 6750000 * 4;
1556 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1557 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1558 f->fmt.vbi.offset = 64 * 4;
1559 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1560 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1561 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1562 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1563 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1564
1565 return 0;
1566 }
1567
1568 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1569 struct v4l2_format *f)
1570 {
1571 struct saa7134_fh *fh = priv;
1572
1573 f->fmt.pix.width = fh->width;
1574 f->fmt.pix.height = fh->height;
1575 f->fmt.pix.field = fh->cap.field;
1576 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1577 f->fmt.pix.bytesperline =
1578 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1579 f->fmt.pix.sizeimage =
1580 f->fmt.pix.height * f->fmt.pix.bytesperline;
1581 return 0;
1582 }
1583
1584 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1585 struct v4l2_format *f)
1586 {
1587 struct saa7134_fh *fh = priv;
1588
1589 if (saa7134_no_overlay > 0) {
1590 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1591 return -EINVAL;
1592 }
1593 f->fmt.win = fh->win;
1594
1595 return 0;
1596 }
1597
1598 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1599 struct v4l2_format *f)
1600 {
1601 struct saa7134_fh *fh = priv;
1602 struct saa7134_dev *dev = fh->dev;
1603 struct saa7134_format *fmt;
1604 enum v4l2_field field;
1605 unsigned int maxw, maxh;
1606
1607 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1608 if (NULL == fmt)
1609 return -EINVAL;
1610
1611 field = f->fmt.pix.field;
1612 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1613 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1614
1615 if (V4L2_FIELD_ANY == field) {
1616 field = (f->fmt.pix.height > maxh/2)
1617 ? V4L2_FIELD_INTERLACED
1618 : V4L2_FIELD_BOTTOM;
1619 }
1620 switch (field) {
1621 case V4L2_FIELD_TOP:
1622 case V4L2_FIELD_BOTTOM:
1623 maxh = maxh / 2;
1624 break;
1625 case V4L2_FIELD_INTERLACED:
1626 break;
1627 default:
1628 return -EINVAL;
1629 }
1630
1631 f->fmt.pix.field = field;
1632 if (f->fmt.pix.width < 48)
1633 f->fmt.pix.width = 48;
1634 if (f->fmt.pix.height < 32)
1635 f->fmt.pix.height = 32;
1636 if (f->fmt.pix.width > maxw)
1637 f->fmt.pix.width = maxw;
1638 if (f->fmt.pix.height > maxh)
1639 f->fmt.pix.height = maxh;
1640 f->fmt.pix.width &= ~0x03;
1641 f->fmt.pix.bytesperline =
1642 (f->fmt.pix.width * fmt->depth) >> 3;
1643 f->fmt.pix.sizeimage =
1644 f->fmt.pix.height * f->fmt.pix.bytesperline;
1645
1646 return 0;
1647 }
1648
1649 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1650 struct v4l2_format *f)
1651 {
1652 struct saa7134_fh *fh = priv;
1653 struct saa7134_dev *dev = fh->dev;
1654
1655 if (saa7134_no_overlay > 0) {
1656 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1657 return -EINVAL;
1658 }
1659
1660 return verify_preview(dev, &f->fmt.win);
1661 }
1662
1663 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1664 struct v4l2_format *f)
1665 {
1666 struct saa7134_fh *fh = priv;
1667 int err;
1668
1669 err = saa7134_try_fmt_vid_cap(file, priv, f);
1670 if (0 != err)
1671 return err;
1672
1673 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1674 fh->width = f->fmt.pix.width;
1675 fh->height = f->fmt.pix.height;
1676 fh->cap.field = f->fmt.pix.field;
1677 return 0;
1678 }
1679
1680 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1681 struct v4l2_format *f)
1682 {
1683 struct saa7134_fh *fh = priv;
1684 struct saa7134_dev *dev = fh->dev;
1685 int err;
1686 unsigned long flags;
1687
1688 if (saa7134_no_overlay > 0) {
1689 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1690 return -EINVAL;
1691 }
1692 err = verify_preview(dev, &f->fmt.win);
1693 if (0 != err)
1694 return err;
1695
1696 mutex_lock(&dev->lock);
1697
1698 fh->win = f->fmt.win;
1699 fh->nclips = f->fmt.win.clipcount;
1700
1701 if (fh->nclips > 8)
1702 fh->nclips = 8;
1703
1704 if (copy_from_user(fh->clips, f->fmt.win.clips,
1705 sizeof(struct v4l2_clip)*fh->nclips)) {
1706 mutex_unlock(&dev->lock);
1707 return -EFAULT;
1708 }
1709
1710 if (res_check(fh, RESOURCE_OVERLAY)) {
1711 spin_lock_irqsave(&dev->slock, flags);
1712 stop_preview(dev, fh);
1713 start_preview(dev, fh);
1714 spin_unlock_irqrestore(&dev->slock, flags);
1715 }
1716
1717 mutex_unlock(&dev->lock);
1718 return 0;
1719 }
1720
1721 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c)
1722 {
1723 const struct v4l2_queryctrl *ctrl;
1724
1725 if ((c->id < V4L2_CID_BASE ||
1726 c->id >= V4L2_CID_LASTP1) &&
1727 (c->id < V4L2_CID_PRIVATE_BASE ||
1728 c->id >= V4L2_CID_PRIVATE_LASTP1))
1729 return -EINVAL;
1730 ctrl = ctrl_by_id(c->id);
1731 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1732 return 0;
1733 }
1734 EXPORT_SYMBOL_GPL(saa7134_queryctrl);
1735
1736 static int saa7134_enum_input(struct file *file, void *priv,
1737 struct v4l2_input *i)
1738 {
1739 struct saa7134_fh *fh = priv;
1740 struct saa7134_dev *dev = fh->dev;
1741 unsigned int n;
1742
1743 n = i->index;
1744 if (n >= SAA7134_INPUT_MAX)
1745 return -EINVAL;
1746 if (NULL == card_in(dev, i->index).name)
1747 return -EINVAL;
1748 i->index = n;
1749 i->type = V4L2_INPUT_TYPE_CAMERA;
1750 strcpy(i->name, card_in(dev, n).name);
1751 if (card_in(dev, n).tv)
1752 i->type = V4L2_INPUT_TYPE_TUNER;
1753 i->audioset = 1;
1754 if (n == dev->ctl_input) {
1755 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1756 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1757
1758 if (0 != (v1 & 0x40))
1759 i->status |= V4L2_IN_ST_NO_H_LOCK;
1760 if (0 != (v2 & 0x40))
1761 i->status |= V4L2_IN_ST_NO_SYNC;
1762 if (0 != (v2 & 0x0e))
1763 i->status |= V4L2_IN_ST_MACROVISION;
1764 }
1765 i->std = SAA7134_NORMS;
1766 return 0;
1767 }
1768
1769 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1770 {
1771 struct saa7134_fh *fh = priv;
1772 struct saa7134_dev *dev = fh->dev;
1773
1774 *i = dev->ctl_input;
1775 return 0;
1776 }
1777
1778 static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1779 {
1780 struct saa7134_fh *fh = priv;
1781 struct saa7134_dev *dev = fh->dev;
1782
1783 if (i >= SAA7134_INPUT_MAX)
1784 return -EINVAL;
1785 if (NULL == card_in(dev, i).name)
1786 return -EINVAL;
1787 mutex_lock(&dev->lock);
1788 video_mux(dev, i);
1789 mutex_unlock(&dev->lock);
1790 return 0;
1791 }
1792
1793 static int saa7134_querycap(struct file *file, void *priv,
1794 struct v4l2_capability *cap)
1795 {
1796 struct saa7134_fh *fh = priv;
1797 struct saa7134_dev *dev = fh->dev;
1798 struct video_device *vdev = video_devdata(file);
1799 u32 radio_caps, video_caps, vbi_caps;
1800
1801 unsigned int tuner_type = dev->tuner_type;
1802
1803 strcpy(cap->driver, "saa7134");
1804 strlcpy(cap->card, saa7134_boards[dev->board].name,
1805 sizeof(cap->card));
1806 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1807
1808 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1809 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1810 cap->device_caps |= V4L2_CAP_TUNER;
1811
1812 radio_caps = V4L2_CAP_RADIO;
1813 if (dev->has_rds)
1814 radio_caps |= V4L2_CAP_RDS_CAPTURE;
1815
1816 video_caps = V4L2_CAP_VIDEO_CAPTURE;
1817 if (saa7134_no_overlay <= 0)
1818 video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1819
1820 vbi_caps = V4L2_CAP_VBI_CAPTURE;
1821
1822 switch (vdev->vfl_type) {
1823 case VFL_TYPE_RADIO:
1824 cap->device_caps |= radio_caps;
1825 break;
1826 case VFL_TYPE_GRABBER:
1827 cap->device_caps |= video_caps;
1828 break;
1829 case VFL_TYPE_VBI:
1830 cap->device_caps |= vbi_caps;
1831 break;
1832 }
1833 cap->capabilities = radio_caps | video_caps | vbi_caps |
1834 cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1835 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1836 cap->device_caps &= ~V4L2_CAP_STREAMING;
1837 if (!dev->has_rds)
1838 cap->device_caps &= ~V4L2_CAP_READWRITE;
1839 }
1840
1841 return 0;
1842 }
1843
1844 int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id id)
1845 {
1846 unsigned long flags;
1847 unsigned int i;
1848 v4l2_std_id fixup;
1849
1850 if (!fh && res_locked(dev, RESOURCE_OVERLAY)) {
1851 /* Don't change the std from the mpeg device
1852 if overlay is active. */
1853 return -EBUSY;
1854 }
1855
1856 for (i = 0; i < TVNORMS; i++)
1857 if (id == tvnorms[i].id)
1858 break;
1859
1860 if (i == TVNORMS)
1861 for (i = 0; i < TVNORMS; i++)
1862 if (id & tvnorms[i].id)
1863 break;
1864 if (i == TVNORMS)
1865 return -EINVAL;
1866
1867 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1868 if (secam[0] == 'L' || secam[0] == 'l') {
1869 if (secam[1] == 'C' || secam[1] == 'c')
1870 fixup = V4L2_STD_SECAM_LC;
1871 else
1872 fixup = V4L2_STD_SECAM_L;
1873 } else {
1874 if (secam[0] == 'D' || secam[0] == 'd')
1875 fixup = V4L2_STD_SECAM_DK;
1876 else
1877 fixup = V4L2_STD_SECAM;
1878 }
1879 for (i = 0; i < TVNORMS; i++) {
1880 if (fixup == tvnorms[i].id)
1881 break;
1882 }
1883 if (i == TVNORMS)
1884 return -EINVAL;
1885 }
1886
1887 id = tvnorms[i].id;
1888
1889 mutex_lock(&dev->lock);
1890 if (fh && res_check(fh, RESOURCE_OVERLAY)) {
1891 spin_lock_irqsave(&dev->slock, flags);
1892 stop_preview(dev, fh);
1893 spin_unlock_irqrestore(&dev->slock, flags);
1894
1895 set_tvnorm(dev, &tvnorms[i]);
1896
1897 spin_lock_irqsave(&dev->slock, flags);
1898 start_preview(dev, fh);
1899 spin_unlock_irqrestore(&dev->slock, flags);
1900 } else
1901 set_tvnorm(dev, &tvnorms[i]);
1902
1903 saa7134_tvaudio_do_scan(dev);
1904 mutex_unlock(&dev->lock);
1905 return 0;
1906 }
1907 EXPORT_SYMBOL_GPL(saa7134_s_std_internal);
1908
1909 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1910 {
1911 struct saa7134_fh *fh = priv;
1912
1913 return saa7134_s_std_internal(fh->dev, fh, id);
1914 }
1915
1916 static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1917 {
1918 struct saa7134_fh *fh = priv;
1919 struct saa7134_dev *dev = fh->dev;
1920
1921 *id = dev->tvnorm->id;
1922 return 0;
1923 }
1924
1925 static int saa7134_cropcap(struct file *file, void *priv,
1926 struct v4l2_cropcap *cap)
1927 {
1928 struct saa7134_fh *fh = priv;
1929 struct saa7134_dev *dev = fh->dev;
1930
1931 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1932 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1933 return -EINVAL;
1934 cap->bounds = dev->crop_bounds;
1935 cap->defrect = dev->crop_defrect;
1936 cap->pixelaspect.numerator = 1;
1937 cap->pixelaspect.denominator = 1;
1938 if (dev->tvnorm->id & V4L2_STD_525_60) {
1939 cap->pixelaspect.numerator = 11;
1940 cap->pixelaspect.denominator = 10;
1941 }
1942 if (dev->tvnorm->id & V4L2_STD_625_50) {
1943 cap->pixelaspect.numerator = 54;
1944 cap->pixelaspect.denominator = 59;
1945 }
1946 return 0;
1947 }
1948
1949 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1950 {
1951 struct saa7134_fh *fh = f;
1952 struct saa7134_dev *dev = fh->dev;
1953
1954 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1955 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1956 return -EINVAL;
1957 crop->c = dev->crop_current;
1958 return 0;
1959 }
1960
1961 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
1962 {
1963 struct saa7134_fh *fh = f;
1964 struct saa7134_dev *dev = fh->dev;
1965 struct v4l2_rect *b = &dev->crop_bounds;
1966 struct v4l2_rect *c = &dev->crop_current;
1967
1968 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1969 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1970 return -EINVAL;
1971 if (crop->c.height < 0)
1972 return -EINVAL;
1973 if (crop->c.width < 0)
1974 return -EINVAL;
1975
1976 if (res_locked(fh->dev, RESOURCE_OVERLAY))
1977 return -EBUSY;
1978 if (res_locked(fh->dev, RESOURCE_VIDEO))
1979 return -EBUSY;
1980
1981 *c = crop->c;
1982 if (c->top < b->top)
1983 c->top = b->top;
1984 if (c->top > b->top + b->height)
1985 c->top = b->top + b->height;
1986 if (c->height > b->top - c->top + b->height)
1987 c->height = b->top - c->top + b->height;
1988
1989 if (c->left < b->left)
1990 c->left = b->left;
1991 if (c->left > b->left + b->width)
1992 c->left = b->left + b->width;
1993 if (c->width > b->left - c->left + b->width)
1994 c->width = b->left - c->left + b->width;
1995 return 0;
1996 }
1997
1998 static int saa7134_g_tuner(struct file *file, void *priv,
1999 struct v4l2_tuner *t)
2000 {
2001 struct saa7134_fh *fh = priv;
2002 struct saa7134_dev *dev = fh->dev;
2003 int n;
2004
2005 if (0 != t->index)
2006 return -EINVAL;
2007 memset(t, 0, sizeof(*t));
2008 for (n = 0; n < SAA7134_INPUT_MAX; n++) {
2009 if (card_in(dev, n).tv)
2010 break;
2011 }
2012 if (n == SAA7134_INPUT_MAX)
2013 return -EINVAL;
2014 if (NULL != card_in(dev, n).name) {
2015 strcpy(t->name, "Television");
2016 t->type = V4L2_TUNER_ANALOG_TV;
2017 saa_call_all(dev, tuner, g_tuner, t);
2018 t->capability = V4L2_TUNER_CAP_NORM |
2019 V4L2_TUNER_CAP_STEREO |
2020 V4L2_TUNER_CAP_LANG1 |
2021 V4L2_TUNER_CAP_LANG2;
2022 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
2023 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
2024 }
2025 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
2026 t->signal = 0xffff;
2027 return 0;
2028 }
2029
2030 static int saa7134_s_tuner(struct file *file, void *priv,
2031 const struct v4l2_tuner *t)
2032 {
2033 struct saa7134_fh *fh = priv;
2034 struct saa7134_dev *dev = fh->dev;
2035 int rx, mode;
2036
2037 if (0 != t->index)
2038 return -EINVAL;
2039
2040 mode = dev->thread.mode;
2041 if (UNSET == mode) {
2042 rx = saa7134_tvaudio_getstereo(dev);
2043 mode = saa7134_tvaudio_rx2mode(rx);
2044 }
2045 if (mode != t->audmode)
2046 dev->thread.mode = t->audmode;
2047
2048 return 0;
2049 }
2050
2051 static int saa7134_g_frequency(struct file *file, void *priv,
2052 struct v4l2_frequency *f)
2053 {
2054 struct saa7134_fh *fh = priv;
2055 struct saa7134_dev *dev = fh->dev;
2056
2057 if (0 != f->tuner)
2058 return -EINVAL;
2059
2060 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
2061 saa_call_all(dev, tuner, g_frequency, f);
2062
2063 return 0;
2064 }
2065
2066 static int saa7134_s_frequency(struct file *file, void *priv,
2067 const struct v4l2_frequency *f)
2068 {
2069 struct saa7134_fh *fh = priv;
2070 struct saa7134_dev *dev = fh->dev;
2071
2072 if (0 != f->tuner)
2073 return -EINVAL;
2074 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
2075 return -EINVAL;
2076 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
2077 return -EINVAL;
2078 mutex_lock(&dev->lock);
2079
2080 saa_call_all(dev, tuner, s_frequency, f);
2081
2082 saa7134_tvaudio_do_scan(dev);
2083 mutex_unlock(&dev->lock);
2084 return 0;
2085 }
2086
2087 static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2088 {
2089 strcpy(a->name, "audio");
2090 return 0;
2091 }
2092
2093 static int saa7134_s_audio(struct file *file, void *priv, const struct v4l2_audio *a)
2094 {
2095 return 0;
2096 }
2097
2098 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
2099 struct v4l2_fmtdesc *f)
2100 {
2101 if (f->index >= FORMATS)
2102 return -EINVAL;
2103
2104 strlcpy(f->description, formats[f->index].name,
2105 sizeof(f->description));
2106
2107 f->pixelformat = formats[f->index].fourcc;
2108
2109 return 0;
2110 }
2111
2112 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
2113 struct v4l2_fmtdesc *f)
2114 {
2115 if (saa7134_no_overlay > 0) {
2116 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2117 return -EINVAL;
2118 }
2119
2120 if ((f->index >= FORMATS) || formats[f->index].planar)
2121 return -EINVAL;
2122
2123 strlcpy(f->description, formats[f->index].name,
2124 sizeof(f->description));
2125
2126 f->pixelformat = formats[f->index].fourcc;
2127
2128 return 0;
2129 }
2130
2131 static int saa7134_g_fbuf(struct file *file, void *f,
2132 struct v4l2_framebuffer *fb)
2133 {
2134 struct saa7134_fh *fh = f;
2135 struct saa7134_dev *dev = fh->dev;
2136
2137 *fb = dev->ovbuf;
2138 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2139
2140 return 0;
2141 }
2142
2143 static int saa7134_s_fbuf(struct file *file, void *f,
2144 const struct v4l2_framebuffer *fb)
2145 {
2146 struct saa7134_fh *fh = f;
2147 struct saa7134_dev *dev = fh->dev;
2148 struct saa7134_format *fmt;
2149
2150 if (!capable(CAP_SYS_ADMIN) &&
2151 !capable(CAP_SYS_RAWIO))
2152 return -EPERM;
2153
2154 /* check args */
2155 fmt = format_by_fourcc(fb->fmt.pixelformat);
2156 if (NULL == fmt)
2157 return -EINVAL;
2158
2159 /* ok, accept it */
2160 dev->ovbuf = *fb;
2161 dev->ovfmt = fmt;
2162 if (0 == dev->ovbuf.fmt.bytesperline)
2163 dev->ovbuf.fmt.bytesperline =
2164 dev->ovbuf.fmt.width*fmt->depth/8;
2165 return 0;
2166 }
2167
2168 static int saa7134_overlay(struct file *file, void *f, unsigned int on)
2169 {
2170 struct saa7134_fh *fh = f;
2171 struct saa7134_dev *dev = fh->dev;
2172 unsigned long flags;
2173
2174 if (on) {
2175 if (saa7134_no_overlay > 0) {
2176 dprintk("no_overlay\n");
2177 return -EINVAL;
2178 }
2179
2180 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2181 return -EBUSY;
2182 spin_lock_irqsave(&dev->slock, flags);
2183 start_preview(dev, fh);
2184 spin_unlock_irqrestore(&dev->slock, flags);
2185 }
2186 if (!on) {
2187 if (!res_check(fh, RESOURCE_OVERLAY))
2188 return -EINVAL;
2189 spin_lock_irqsave(&dev->slock, flags);
2190 stop_preview(dev, fh);
2191 spin_unlock_irqrestore(&dev->slock, flags);
2192 res_free(dev, fh, RESOURCE_OVERLAY);
2193 }
2194 return 0;
2195 }
2196
2197 static int saa7134_reqbufs(struct file *file, void *priv,
2198 struct v4l2_requestbuffers *p)
2199 {
2200 struct saa7134_fh *fh = priv;
2201 return videobuf_reqbufs(saa7134_queue(fh), p);
2202 }
2203
2204 static int saa7134_querybuf(struct file *file, void *priv,
2205 struct v4l2_buffer *b)
2206 {
2207 struct saa7134_fh *fh = priv;
2208 return videobuf_querybuf(saa7134_queue(fh), b);
2209 }
2210
2211 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2212 {
2213 struct saa7134_fh *fh = priv;
2214 return videobuf_qbuf(saa7134_queue(fh), b);
2215 }
2216
2217 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2218 {
2219 struct saa7134_fh *fh = priv;
2220 return videobuf_dqbuf(saa7134_queue(fh), b,
2221 file->f_flags & O_NONBLOCK);
2222 }
2223
2224 static int saa7134_streamon(struct file *file, void *priv,
2225 enum v4l2_buf_type type)
2226 {
2227 struct saa7134_fh *fh = priv;
2228 struct saa7134_dev *dev = fh->dev;
2229 int res = saa7134_resource(fh);
2230
2231 if (!res_get(dev, fh, res))
2232 return -EBUSY;
2233
2234 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
2235 * configured conservatively, there's 22 usec of buffering for video.
2236 * We therefore request a DMA latency of 20 usec, giving us 2 usec of
2237 * margin in case the FIFO is configured differently to the datasheet.
2238 * Unfortunately, I lack register-level documentation to check the
2239 * Linux FIFO setup and confirm the perfect value.
2240 */
2241 pm_qos_add_request(&fh->qos_request,
2242 PM_QOS_CPU_DMA_LATENCY,
2243 20);
2244
2245 return videobuf_streamon(saa7134_queue(fh));
2246 }
2247
2248 static int saa7134_streamoff(struct file *file, void *priv,
2249 enum v4l2_buf_type type)
2250 {
2251 int err;
2252 struct saa7134_fh *fh = priv;
2253 struct saa7134_dev *dev = fh->dev;
2254 int res = saa7134_resource(fh);
2255
2256 pm_qos_remove_request(&fh->qos_request);
2257
2258 err = videobuf_streamoff(saa7134_queue(fh));
2259 if (err < 0)
2260 return err;
2261 res_free(dev, fh, res);
2262 return 0;
2263 }
2264
2265 static int saa7134_g_parm(struct file *file, void *fh,
2266 struct v4l2_streamparm *parm)
2267 {
2268 return 0;
2269 }
2270
2271 #ifdef CONFIG_VIDEO_ADV_DEBUG
2272 static int vidioc_g_register (struct file *file, void *priv,
2273 struct v4l2_dbg_register *reg)
2274 {
2275 struct saa7134_fh *fh = priv;
2276 struct saa7134_dev *dev = fh->dev;
2277
2278 if (!v4l2_chip_match_host(&reg->match))
2279 return -EINVAL;
2280 reg->val = saa_readb(reg->reg);
2281 reg->size = 1;
2282 return 0;
2283 }
2284
2285 static int vidioc_s_register (struct file *file, void *priv,
2286 const struct v4l2_dbg_register *reg)
2287 {
2288 struct saa7134_fh *fh = priv;
2289 struct saa7134_dev *dev = fh->dev;
2290
2291 if (!v4l2_chip_match_host(&reg->match))
2292 return -EINVAL;
2293 saa_writeb(reg->reg&0xffffff, reg->val);
2294 return 0;
2295 }
2296 #endif
2297
2298 static int radio_g_tuner(struct file *file, void *priv,
2299 struct v4l2_tuner *t)
2300 {
2301 struct saa7134_fh *fh = file->private_data;
2302 struct saa7134_dev *dev = fh->dev;
2303
2304 if (0 != t->index)
2305 return -EINVAL;
2306
2307 memset(t, 0, sizeof(*t));
2308 strcpy(t->name, "Radio");
2309 t->type = V4L2_TUNER_RADIO;
2310
2311 saa_call_all(dev, tuner, g_tuner, t);
2312 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
2313 if (dev->input->amux == TV) {
2314 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2315 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2316 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2317 }
2318 return 0;
2319 }
2320 static int radio_s_tuner(struct file *file, void *priv,
2321 const struct v4l2_tuner *t)
2322 {
2323 struct saa7134_fh *fh = file->private_data;
2324 struct saa7134_dev *dev = fh->dev;
2325
2326 if (0 != t->index)
2327 return -EINVAL;
2328
2329 saa_call_all(dev, tuner, s_tuner, t);
2330 return 0;
2331 }
2332
2333 static int radio_enum_input(struct file *file, void *priv,
2334 struct v4l2_input *i)
2335 {
2336 if (i->index != 0)
2337 return -EINVAL;
2338
2339 strcpy(i->name, "Radio");
2340 i->type = V4L2_INPUT_TYPE_TUNER;
2341
2342 return 0;
2343 }
2344
2345 static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2346 {
2347 *i = 0;
2348 return 0;
2349 }
2350
2351 static int radio_g_audio(struct file *file, void *priv,
2352 struct v4l2_audio *a)
2353 {
2354 memset(a, 0, sizeof(*a));
2355 strcpy(a->name, "Radio");
2356 return 0;
2357 }
2358
2359 static int radio_s_audio(struct file *file, void *priv,
2360 const struct v4l2_audio *a)
2361 {
2362 return 0;
2363 }
2364
2365 static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2366 {
2367 return 0;
2368 }
2369
2370 static int radio_s_std(struct file *file, void *fh, v4l2_std_id norm)
2371 {
2372 return 0;
2373 }
2374
2375 static int radio_queryctrl(struct file *file, void *priv,
2376 struct v4l2_queryctrl *c)
2377 {
2378 const struct v4l2_queryctrl *ctrl;
2379
2380 if (c->id < V4L2_CID_BASE ||
2381 c->id >= V4L2_CID_LASTP1)
2382 return -EINVAL;
2383 if (c->id == V4L2_CID_AUDIO_MUTE) {
2384 ctrl = ctrl_by_id(c->id);
2385 *c = *ctrl;
2386 } else
2387 *c = no_ctrl;
2388 return 0;
2389 }
2390
2391 static const struct v4l2_file_operations video_fops =
2392 {
2393 .owner = THIS_MODULE,
2394 .open = video_open,
2395 .release = video_release,
2396 .read = video_read,
2397 .poll = video_poll,
2398 .mmap = video_mmap,
2399 .ioctl = video_ioctl2,
2400 };
2401
2402 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2403 .vidioc_querycap = saa7134_querycap,
2404 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap,
2405 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
2406 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
2407 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
2408 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay,
2409 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay,
2410 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay,
2411 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay,
2412 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2413 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2414 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2415 .vidioc_g_audio = saa7134_g_audio,
2416 .vidioc_s_audio = saa7134_s_audio,
2417 .vidioc_cropcap = saa7134_cropcap,
2418 .vidioc_reqbufs = saa7134_reqbufs,
2419 .vidioc_querybuf = saa7134_querybuf,
2420 .vidioc_qbuf = saa7134_qbuf,
2421 .vidioc_dqbuf = saa7134_dqbuf,
2422 .vidioc_s_std = saa7134_s_std,
2423 .vidioc_g_std = saa7134_g_std,
2424 .vidioc_enum_input = saa7134_enum_input,
2425 .vidioc_g_input = saa7134_g_input,
2426 .vidioc_s_input = saa7134_s_input,
2427 .vidioc_queryctrl = saa7134_queryctrl,
2428 .vidioc_g_ctrl = saa7134_g_ctrl,
2429 .vidioc_s_ctrl = saa7134_s_ctrl,
2430 .vidioc_streamon = saa7134_streamon,
2431 .vidioc_streamoff = saa7134_streamoff,
2432 .vidioc_g_tuner = saa7134_g_tuner,
2433 .vidioc_s_tuner = saa7134_s_tuner,
2434 .vidioc_g_crop = saa7134_g_crop,
2435 .vidioc_s_crop = saa7134_s_crop,
2436 .vidioc_g_fbuf = saa7134_g_fbuf,
2437 .vidioc_s_fbuf = saa7134_s_fbuf,
2438 .vidioc_overlay = saa7134_overlay,
2439 .vidioc_g_parm = saa7134_g_parm,
2440 .vidioc_g_frequency = saa7134_g_frequency,
2441 .vidioc_s_frequency = saa7134_s_frequency,
2442 #ifdef CONFIG_VIDEO_ADV_DEBUG
2443 .vidioc_g_register = vidioc_g_register,
2444 .vidioc_s_register = vidioc_s_register,
2445 #endif
2446 };
2447
2448 static const struct v4l2_file_operations radio_fops = {
2449 .owner = THIS_MODULE,
2450 .open = video_open,
2451 .read = radio_read,
2452 .release = video_release,
2453 .ioctl = video_ioctl2,
2454 .poll = radio_poll,
2455 };
2456
2457 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2458 .vidioc_querycap = saa7134_querycap,
2459 .vidioc_g_tuner = radio_g_tuner,
2460 .vidioc_enum_input = radio_enum_input,
2461 .vidioc_g_audio = radio_g_audio,
2462 .vidioc_s_tuner = radio_s_tuner,
2463 .vidioc_s_audio = radio_s_audio,
2464 .vidioc_s_input = radio_s_input,
2465 .vidioc_s_std = radio_s_std,
2466 .vidioc_queryctrl = radio_queryctrl,
2467 .vidioc_g_input = radio_g_input,
2468 .vidioc_g_ctrl = saa7134_g_ctrl,
2469 .vidioc_s_ctrl = saa7134_s_ctrl,
2470 .vidioc_g_frequency = saa7134_g_frequency,
2471 .vidioc_s_frequency = saa7134_s_frequency,
2472 };
2473
2474 /* ----------------------------------------------------------- */
2475 /* exported stuff */
2476
2477 struct video_device saa7134_video_template = {
2478 .name = "saa7134-video",
2479 .fops = &video_fops,
2480 .ioctl_ops = &video_ioctl_ops,
2481 .tvnorms = SAA7134_NORMS,
2482 .current_norm = V4L2_STD_PAL,
2483 };
2484
2485 struct video_device saa7134_radio_template = {
2486 .name = "saa7134-radio",
2487 .fops = &radio_fops,
2488 .ioctl_ops = &radio_ioctl_ops,
2489 };
2490
2491 int saa7134_video_init1(struct saa7134_dev *dev)
2492 {
2493 /* sanitycheck insmod options */
2494 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2495 gbuffers = 2;
2496 if (gbufsize > gbufsize_max)
2497 gbufsize = gbufsize_max;
2498 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2499
2500 /* put some sensible defaults into the data structures ... */
2501 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2502 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2503 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2504 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2505 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2506 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2507 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2508 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2509
2510 if (dev->tda9887_conf && dev->ctl_automute)
2511 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2512 dev->automute = 0;
2513
2514 INIT_LIST_HEAD(&dev->video_q.queue);
2515 init_timer(&dev->video_q.timeout);
2516 dev->video_q.timeout.function = saa7134_buffer_timeout;
2517 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2518 dev->video_q.dev = dev;
2519
2520 if (saa7134_boards[dev->board].video_out)
2521 saa7134_videoport_init(dev);
2522
2523 return 0;
2524 }
2525
2526 int saa7134_videoport_init(struct saa7134_dev *dev)
2527 {
2528 /* enable video output */
2529 int vo = saa7134_boards[dev->board].video_out;
2530 int video_reg;
2531 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2532
2533 /* Configure videoport */
2534 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2535 video_reg = video_out[vo][1];
2536 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2537 video_reg &= ~VP_T_CODE_P_INVERTED;
2538 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2539 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2540 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2541 video_reg = video_out[vo][5];
2542 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2543 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2544 if (vid_port_opts & SET_CLOCK_INVERTED)
2545 video_reg |= VP_CLK_CTRL1_INVERTED;
2546 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2547 video_reg = video_out[vo][6];
2548 if (vid_port_opts & SET_VSYNC_OFF) {
2549 video_reg &= ~VP_VS_TYPE_MASK;
2550 video_reg |= VP_VS_TYPE_OFF;
2551 }
2552 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2553 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2554 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2555
2556 /* Start videoport */
2557 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2558
2559 return 0;
2560 }
2561
2562 int saa7134_video_init2(struct saa7134_dev *dev)
2563 {
2564 /* init video hw */
2565 set_tvnorm(dev,&tvnorms[0]);
2566 video_mux(dev,0);
2567 saa7134_tvaudio_setmute(dev);
2568 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2569 return 0;
2570 }
2571
2572 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2573 {
2574 static const char *st[] = {
2575 "(no signal)", "NTSC", "PAL", "SECAM" };
2576 u32 st1,st2;
2577
2578 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2579 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2580 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2581 (st1 & 0x40) ? "not locked" : "locked",
2582 (st2 & 0x40) ? "no" : "yes",
2583 st[st1 & 0x03]);
2584 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2585
2586 if (dev->nosignal) {
2587 /* no video signal -> mute audio */
2588 if (dev->ctl_automute)
2589 dev->automute = 1;
2590 saa7134_tvaudio_setmute(dev);
2591 } else {
2592 /* wake up tvaudio audio carrier scan thread */
2593 saa7134_tvaudio_do_scan(dev);
2594 }
2595
2596 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2597 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2598 else
2599 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2600
2601 if (dev->mops && dev->mops->signal_change)
2602 dev->mops->signal_change(dev);
2603 }
2604
2605
2606 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2607 {
2608 enum v4l2_field field;
2609
2610 spin_lock(&dev->slock);
2611 if (dev->video_q.curr) {
2612 dev->video_fieldcount++;
2613 field = dev->video_q.curr->vb.field;
2614 if (V4L2_FIELD_HAS_BOTH(field)) {
2615 /* make sure we have seen both fields */
2616 if ((status & 0x10) == 0x00) {
2617 dev->video_q.curr->top_seen = 1;
2618 goto done;
2619 }
2620 if (!dev->video_q.curr->top_seen)
2621 goto done;
2622 } else if (field == V4L2_FIELD_TOP) {
2623 if ((status & 0x10) != 0x10)
2624 goto done;
2625 } else if (field == V4L2_FIELD_BOTTOM) {
2626 if ((status & 0x10) != 0x00)
2627 goto done;
2628 }
2629 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2630 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2631 }
2632 saa7134_buffer_next(dev,&dev->video_q);
2633
2634 done:
2635 spin_unlock(&dev->slock);
2636 }
2637
2638 /* ----------------------------------------------------------- */
2639 /*
2640 * Local variables:
2641 * c-basic-offset: 8
2642 * End:
2643 */
Linux kernel - Deliverables
This page took 0.086911 seconds and 5 git commands to generate.