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Linux 3.11-rc3
[cris-mirror.git] / drivers / media / pci / saa7134 / saa7134-video.c
blobe12bbd8c3f0b8da63f8418e6a00bc803f883963a
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, bool try)
829 {
830 enum v4l2_field field;
831 int maxw, maxh;
832
833 if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
834 return -EINVAL;
835 if (win->w.width < 48)
836 win->w.width = 48;
837 if (win->w.height < 32)
838 win->w.height = 32;
839 if (win->clipcount > 8)
840 win->clipcount = 8;
841
842 win->chromakey = 0;
843 win->global_alpha = 0;
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 default:
859 field = V4L2_FIELD_INTERLACED;
860 break;
861 }
862
863 win->field = field;
864 if (win->w.width > maxw)
865 win->w.width = maxw;
866 if (win->w.height > maxh)
867 win->w.height = maxh;
868 return 0;
869 }
870
871 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
872 {
873 unsigned long base,control,bpl;
874 int err;
875
876 err = verify_preview(dev, &dev->win, false);
877 if (0 != err)
878 return err;
879
880 dev->ovfield = dev->win.field;
881 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
882 dev->win.w.width, dev->win.w.height,
883 dev->win.w.left, dev->win.w.top,
884 dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
885
886 /* setup window + clipping */
887 set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
888 V4L2_FIELD_HAS_BOTH(dev->ovfield));
889 setup_clipping(dev, dev->clips, dev->nclips,
890 V4L2_FIELD_HAS_BOTH(dev->ovfield));
891 if (dev->ovfmt->yuv)
892 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
893 else
894 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
895 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
896
897 /* dma: setup channel 1 (= Video Task B) */
898 base = (unsigned long)dev->ovbuf.base;
899 base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
900 base += dev->ovfmt->depth/8 * dev->win.w.left;
901 bpl = dev->ovbuf.fmt.bytesperline;
902 control = SAA7134_RS_CONTROL_BURST_16;
903 if (dev->ovfmt->bswap)
904 control |= SAA7134_RS_CONTROL_BSWAP;
905 if (dev->ovfmt->wswap)
906 control |= SAA7134_RS_CONTROL_WSWAP;
907 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
908 saa_writel(SAA7134_RS_BA1(1),base);
909 saa_writel(SAA7134_RS_BA2(1),base+bpl);
910 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
911 saa_writel(SAA7134_RS_CONTROL(1),control);
912 } else {
913 saa_writel(SAA7134_RS_BA1(1),base);
914 saa_writel(SAA7134_RS_BA2(1),base);
915 saa_writel(SAA7134_RS_PITCH(1),bpl);
916 saa_writel(SAA7134_RS_CONTROL(1),control);
917 }
918
919 /* start dma */
920 dev->ovenable = 1;
921 saa7134_set_dmabits(dev);
922
923 return 0;
924 }
925
926 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
927 {
928 dev->ovenable = 0;
929 saa7134_set_dmabits(dev);
930 return 0;
931 }
932
933 /* ------------------------------------------------------------------ */
934
935 static int buffer_activate(struct saa7134_dev *dev,
936 struct saa7134_buf *buf,
937 struct saa7134_buf *next)
938 {
939 unsigned long base,control,bpl;
940 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
941
942 dprintk("buffer_activate buf=%p\n",buf);
943 buf->vb.state = VIDEOBUF_ACTIVE;
944 buf->top_seen = 0;
945
946 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
947 V4L2_FIELD_HAS_BOTH(buf->vb.field));
948 if (buf->fmt->yuv)
949 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
950 else
951 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
952 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
953
954 /* DMA: setup channel 0 (= Video Task A0) */
955 base = saa7134_buffer_base(buf);
956 if (buf->fmt->planar)
957 bpl = buf->vb.width;
958 else
959 bpl = (buf->vb.width * buf->fmt->depth) / 8;
960 control = SAA7134_RS_CONTROL_BURST_16 |
961 SAA7134_RS_CONTROL_ME |
962 (buf->pt->dma >> 12);
963 if (buf->fmt->bswap)
964 control |= SAA7134_RS_CONTROL_BSWAP;
965 if (buf->fmt->wswap)
966 control |= SAA7134_RS_CONTROL_WSWAP;
967 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
968 /* interlaced */
969 saa_writel(SAA7134_RS_BA1(0),base);
970 saa_writel(SAA7134_RS_BA2(0),base+bpl);
971 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
972 } else {
973 /* non-interlaced */
974 saa_writel(SAA7134_RS_BA1(0),base);
975 saa_writel(SAA7134_RS_BA2(0),base);
976 saa_writel(SAA7134_RS_PITCH(0),bpl);
977 }
978 saa_writel(SAA7134_RS_CONTROL(0),control);
979
980 if (buf->fmt->planar) {
981 /* DMA: setup channel 4+5 (= planar task A) */
982 bpl_uv = bpl >> buf->fmt->hshift;
983 lines_uv = buf->vb.height >> buf->fmt->vshift;
984 base2 = base + bpl * buf->vb.height;
985 base3 = base2 + bpl_uv * lines_uv;
986 if (buf->fmt->uvswap)
987 tmp = base2, base2 = base3, base3 = tmp;
988 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
989 bpl_uv,lines_uv,base2,base3);
990 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
991 /* interlaced */
992 saa_writel(SAA7134_RS_BA1(4),base2);
993 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
994 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
995 saa_writel(SAA7134_RS_BA1(5),base3);
996 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
997 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
998 } else {
999 /* non-interlaced */
1000 saa_writel(SAA7134_RS_BA1(4),base2);
1001 saa_writel(SAA7134_RS_BA2(4),base2);
1002 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1003 saa_writel(SAA7134_RS_BA1(5),base3);
1004 saa_writel(SAA7134_RS_BA2(5),base3);
1005 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1006 }
1007 saa_writel(SAA7134_RS_CONTROL(4),control);
1008 saa_writel(SAA7134_RS_CONTROL(5),control);
1009 }
1010
1011 /* start DMA */
1012 saa7134_set_dmabits(dev);
1013 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1014 return 0;
1015 }
1016
1017 static int buffer_prepare(struct videobuf_queue *q,
1018 struct videobuf_buffer *vb,
1019 enum v4l2_field field)
1020 {
1021 struct saa7134_fh *fh = q->priv_data;
1022 struct saa7134_dev *dev = fh->dev;
1023 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1024 unsigned int size;
1025 int err;
1026
1027 /* sanity checks */
1028 if (NULL == dev->fmt)
1029 return -EINVAL;
1030 if (dev->width < 48 ||
1031 dev->height < 32 ||
1032 dev->width/4 > dev->crop_current.width ||
1033 dev->height/4 > dev->crop_current.height ||
1034 dev->width > dev->crop_bounds.width ||
1035 dev->height > dev->crop_bounds.height)
1036 return -EINVAL;
1037 size = (dev->width * dev->height * dev->fmt->depth) >> 3;
1038 if (0 != buf->vb.baddr && buf->vb.bsize < size)
1039 return -EINVAL;
1040
1041 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1042 vb->i, dev->width, dev->height, size, v4l2_field_names[field],
1043 dev->fmt->name);
1044 if (buf->vb.width != dev->width ||
1045 buf->vb.height != dev->height ||
1046 buf->vb.size != size ||
1047 buf->vb.field != field ||
1048 buf->fmt != dev->fmt) {
1049 saa7134_dma_free(q,buf);
1050 }
1051
1052 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1053 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1054
1055 buf->vb.width = dev->width;
1056 buf->vb.height = dev->height;
1057 buf->vb.size = size;
1058 buf->vb.field = field;
1059 buf->fmt = dev->fmt;
1060 buf->pt = &fh->pt_cap;
1061 dev->video_q.curr = NULL;
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 struct saa7134_dev *dev = fh->dev;
1087
1088 *size = dev->fmt->depth * dev->width * dev->height >> 3;
1089 if (0 == *count)
1090 *count = gbuffers;
1091 *count = saa7134_buffer_count(*size,*count);
1092 return 0;
1093 }
1094
1095 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1096 {
1097 struct saa7134_fh *fh = q->priv_data;
1098 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1099
1100 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1101 }
1102
1103 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1104 {
1105 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1106
1107 saa7134_dma_free(q,buf);
1108 }
1109
1110 static struct videobuf_queue_ops video_qops = {
1111 .buf_setup = buffer_setup,
1112 .buf_prepare = buffer_prepare,
1113 .buf_queue = buffer_queue,
1114 .buf_release = buffer_release,
1115 };
1116
1117 /* ------------------------------------------------------------------ */
1118
1119 int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1120 {
1121 const struct v4l2_queryctrl* ctrl;
1122
1123 ctrl = ctrl_by_id(c->id);
1124 if (NULL == ctrl)
1125 return -EINVAL;
1126 switch (c->id) {
1127 case V4L2_CID_BRIGHTNESS:
1128 c->value = dev->ctl_bright;
1129 break;
1130 case V4L2_CID_HUE:
1131 c->value = dev->ctl_hue;
1132 break;
1133 case V4L2_CID_CONTRAST:
1134 c->value = dev->ctl_contrast;
1135 break;
1136 case V4L2_CID_SATURATION:
1137 c->value = dev->ctl_saturation;
1138 break;
1139 case V4L2_CID_AUDIO_MUTE:
1140 c->value = dev->ctl_mute;
1141 break;
1142 case V4L2_CID_AUDIO_VOLUME:
1143 c->value = dev->ctl_volume;
1144 break;
1145 case V4L2_CID_PRIVATE_INVERT:
1146 c->value = dev->ctl_invert;
1147 break;
1148 case V4L2_CID_HFLIP:
1149 c->value = dev->ctl_mirror;
1150 break;
1151 case V4L2_CID_PRIVATE_Y_EVEN:
1152 c->value = dev->ctl_y_even;
1153 break;
1154 case V4L2_CID_PRIVATE_Y_ODD:
1155 c->value = dev->ctl_y_odd;
1156 break;
1157 case V4L2_CID_PRIVATE_AUTOMUTE:
1158 c->value = dev->ctl_automute;
1159 break;
1160 default:
1161 return -EINVAL;
1162 }
1163 return 0;
1164 }
1165 EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal);
1166
1167 static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c)
1168 {
1169 struct saa7134_fh *fh = priv;
1170
1171 return saa7134_g_ctrl_internal(fh->dev, fh, c);
1172 }
1173
1174 int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1175 {
1176 const struct v4l2_queryctrl* ctrl;
1177 unsigned long flags;
1178 int restart_overlay = 0;
1179 int err;
1180
1181 err = -EINVAL;
1182
1183 mutex_lock(&dev->lock);
1184
1185 ctrl = ctrl_by_id(c->id);
1186 if (NULL == ctrl)
1187 goto error;
1188
1189 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1190 switch (ctrl->type) {
1191 case V4L2_CTRL_TYPE_BOOLEAN:
1192 case V4L2_CTRL_TYPE_MENU:
1193 case V4L2_CTRL_TYPE_INTEGER:
1194 if (c->value < ctrl->minimum)
1195 c->value = ctrl->minimum;
1196 if (c->value > ctrl->maximum)
1197 c->value = ctrl->maximum;
1198 break;
1199 default:
1200 /* nothing */;
1201 }
1202 switch (c->id) {
1203 case V4L2_CID_BRIGHTNESS:
1204 dev->ctl_bright = c->value;
1205 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1206 break;
1207 case V4L2_CID_HUE:
1208 dev->ctl_hue = c->value;
1209 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1210 break;
1211 case V4L2_CID_CONTRAST:
1212 dev->ctl_contrast = c->value;
1213 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1214 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1215 break;
1216 case V4L2_CID_SATURATION:
1217 dev->ctl_saturation = c->value;
1218 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1219 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1220 break;
1221 case V4L2_CID_AUDIO_MUTE:
1222 dev->ctl_mute = c->value;
1223 saa7134_tvaudio_setmute(dev);
1224 break;
1225 case V4L2_CID_AUDIO_VOLUME:
1226 dev->ctl_volume = c->value;
1227 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1228 break;
1229 case V4L2_CID_PRIVATE_INVERT:
1230 dev->ctl_invert = c->value;
1231 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1232 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1233 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1234 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1235 break;
1236 case V4L2_CID_HFLIP:
1237 dev->ctl_mirror = c->value;
1238 restart_overlay = 1;
1239 break;
1240 case V4L2_CID_PRIVATE_Y_EVEN:
1241 dev->ctl_y_even = c->value;
1242 restart_overlay = 1;
1243 break;
1244 case V4L2_CID_PRIVATE_Y_ODD:
1245 dev->ctl_y_odd = c->value;
1246 restart_overlay = 1;
1247 break;
1248 case V4L2_CID_PRIVATE_AUTOMUTE:
1249 {
1250 struct v4l2_priv_tun_config tda9887_cfg;
1251
1252 tda9887_cfg.tuner = TUNER_TDA9887;
1253 tda9887_cfg.priv = &dev->tda9887_conf;
1254
1255 dev->ctl_automute = c->value;
1256 if (dev->tda9887_conf) {
1257 if (dev->ctl_automute)
1258 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1259 else
1260 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1261
1262 saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1263 }
1264 break;
1265 }
1266 default:
1267 goto error;
1268 }
1269 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1270 spin_lock_irqsave(&dev->slock,flags);
1271 stop_preview(dev,fh);
1272 start_preview(dev,fh);
1273 spin_unlock_irqrestore(&dev->slock,flags);
1274 }
1275 err = 0;
1276
1277 error:
1278 mutex_unlock(&dev->lock);
1279 return err;
1280 }
1281 EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal);
1282
1283 static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c)
1284 {
1285 struct saa7134_fh *fh = f;
1286
1287 return saa7134_s_ctrl_internal(fh->dev, fh, c);
1288 }
1289
1290 /* ------------------------------------------------------------------ */
1291
1292 static struct videobuf_queue *saa7134_queue(struct file *file)
1293 {
1294 struct video_device *vdev = video_devdata(file);
1295 struct saa7134_fh *fh = file->private_data;
1296 struct videobuf_queue *q = NULL;
1297
1298 switch (vdev->vfl_type) {
1299 case VFL_TYPE_GRABBER:
1300 q = &fh->cap;
1301 break;
1302 case VFL_TYPE_VBI:
1303 q = &fh->vbi;
1304 break;
1305 default:
1306 BUG();
1307 }
1308 return q;
1309 }
1310
1311 static int saa7134_resource(struct file *file)
1312 {
1313 struct video_device *vdev = video_devdata(file);
1314
1315 if (vdev->vfl_type == VFL_TYPE_GRABBER)
1316 return RESOURCE_VIDEO;
1317
1318 if (vdev->vfl_type == VFL_TYPE_VBI)
1319 return RESOURCE_VBI;
1320
1321 BUG();
1322 return 0;
1323 }
1324
1325 static int video_open(struct file *file)
1326 {
1327 struct video_device *vdev = video_devdata(file);
1328 struct saa7134_dev *dev = video_drvdata(file);
1329 struct saa7134_fh *fh;
1330
1331 /* allocate + initialize per filehandle data */
1332 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1333 if (NULL == fh)
1334 return -ENOMEM;
1335
1336 v4l2_fh_init(&fh->fh, vdev);
1337 file->private_data = fh;
1338 fh->dev = dev;
1339
1340 videobuf_queue_sg_init(&fh->cap, &video_qops,
1341 &dev->pci->dev, &dev->slock,
1342 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1343 V4L2_FIELD_INTERLACED,
1344 sizeof(struct saa7134_buf),
1345 fh, NULL);
1346 videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops,
1347 &dev->pci->dev, &dev->slock,
1348 V4L2_BUF_TYPE_VBI_CAPTURE,
1349 V4L2_FIELD_SEQ_TB,
1350 sizeof(struct saa7134_buf),
1351 fh, NULL);
1352 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1353 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1354
1355 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1356 /* switch to radio mode */
1357 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1358 saa_call_all(dev, tuner, s_radio);
1359 } else {
1360 /* switch to video/vbi mode */
1361 video_mux(dev,dev->ctl_input);
1362 }
1363 v4l2_fh_add(&fh->fh);
1364
1365 return 0;
1366 }
1367
1368 static ssize_t
1369 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1370 {
1371 struct video_device *vdev = video_devdata(file);
1372 struct saa7134_fh *fh = file->private_data;
1373
1374 switch (vdev->vfl_type) {
1375 case VFL_TYPE_GRABBER:
1376 if (res_locked(fh->dev,RESOURCE_VIDEO))
1377 return -EBUSY;
1378 return videobuf_read_one(saa7134_queue(file),
1379 data, count, ppos,
1380 file->f_flags & O_NONBLOCK);
1381 case VFL_TYPE_VBI:
1382 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1383 return -EBUSY;
1384 return videobuf_read_stream(saa7134_queue(file),
1385 data, count, ppos, 1,
1386 file->f_flags & O_NONBLOCK);
1387 break;
1388 default:
1389 BUG();
1390 return 0;
1391 }
1392 }
1393
1394 static unsigned int
1395 video_poll(struct file *file, struct poll_table_struct *wait)
1396 {
1397 struct video_device *vdev = video_devdata(file);
1398 struct saa7134_fh *fh = file->private_data;
1399 struct videobuf_buffer *buf = NULL;
1400 unsigned int rc = 0;
1401
1402 if (vdev->vfl_type == VFL_TYPE_VBI)
1403 return videobuf_poll_stream(file, &fh->vbi, wait);
1404
1405 if (res_check(fh,RESOURCE_VIDEO)) {
1406 mutex_lock(&fh->cap.vb_lock);
1407 if (!list_empty(&fh->cap.stream))
1408 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1409 } else {
1410 mutex_lock(&fh->cap.vb_lock);
1411 if (UNSET == fh->cap.read_off) {
1412 /* need to capture a new frame */
1413 if (res_locked(fh->dev,RESOURCE_VIDEO))
1414 goto err;
1415 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field))
1416 goto err;
1417 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1418 fh->cap.read_off = 0;
1419 }
1420 buf = fh->cap.read_buf;
1421 }
1422
1423 if (!buf)
1424 goto err;
1425
1426 poll_wait(file, &buf->done, wait);
1427 if (buf->state == VIDEOBUF_DONE ||
1428 buf->state == VIDEOBUF_ERROR)
1429 rc = POLLIN|POLLRDNORM;
1430 mutex_unlock(&fh->cap.vb_lock);
1431 return rc;
1432
1433 err:
1434 mutex_unlock(&fh->cap.vb_lock);
1435 return POLLERR;
1436 }
1437
1438 static int video_release(struct file *file)
1439 {
1440 struct video_device *vdev = video_devdata(file);
1441 struct saa7134_fh *fh = file->private_data;
1442 struct saa7134_dev *dev = fh->dev;
1443 struct saa6588_command cmd;
1444 unsigned long flags;
1445
1446 saa7134_tvaudio_close(dev);
1447
1448 /* turn off overlay */
1449 if (res_check(fh, RESOURCE_OVERLAY)) {
1450 spin_lock_irqsave(&dev->slock,flags);
1451 stop_preview(dev,fh);
1452 spin_unlock_irqrestore(&dev->slock,flags);
1453 res_free(dev,fh,RESOURCE_OVERLAY);
1454 }
1455
1456 /* stop video capture */
1457 if (res_check(fh, RESOURCE_VIDEO)) {
1458 videobuf_streamoff(&fh->cap);
1459 res_free(dev,fh,RESOURCE_VIDEO);
1460 }
1461 if (fh->cap.read_buf) {
1462 buffer_release(&fh->cap,fh->cap.read_buf);
1463 kfree(fh->cap.read_buf);
1464 }
1465
1466 /* stop vbi capture */
1467 if (res_check(fh, RESOURCE_VBI)) {
1468 videobuf_stop(&fh->vbi);
1469 res_free(dev,fh,RESOURCE_VBI);
1470 }
1471
1472 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1473 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1474 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1475 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1476 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1477
1478 saa_call_all(dev, core, s_power, 0);
1479 if (vdev->vfl_type == VFL_TYPE_RADIO)
1480 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1481
1482 /* free stuff */
1483 videobuf_mmap_free(&fh->cap);
1484 videobuf_mmap_free(&fh->vbi);
1485 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1486 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1487
1488 v4l2_fh_del(&fh->fh);
1489 v4l2_fh_exit(&fh->fh);
1490 file->private_data = NULL;
1491 kfree(fh);
1492 return 0;
1493 }
1494
1495 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1496 {
1497 return videobuf_mmap_mapper(saa7134_queue(file), vma);
1498 }
1499
1500 static ssize_t radio_read(struct file *file, char __user *data,
1501 size_t count, loff_t *ppos)
1502 {
1503 struct saa7134_fh *fh = file->private_data;
1504 struct saa7134_dev *dev = fh->dev;
1505 struct saa6588_command cmd;
1506
1507 cmd.block_count = count/3;
1508 cmd.buffer = data;
1509 cmd.instance = file;
1510 cmd.result = -ENODEV;
1511
1512 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1513
1514 return cmd.result;
1515 }
1516
1517 static unsigned int radio_poll(struct file *file, poll_table *wait)
1518 {
1519 struct saa7134_fh *fh = file->private_data;
1520 struct saa7134_dev *dev = fh->dev;
1521 struct saa6588_command cmd;
1522
1523 cmd.instance = file;
1524 cmd.event_list = wait;
1525 cmd.result = -ENODEV;
1526 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1527
1528 return cmd.result;
1529 }
1530
1531 /* ------------------------------------------------------------------ */
1532
1533 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1534 struct v4l2_format *f)
1535 {
1536 struct saa7134_fh *fh = priv;
1537 struct saa7134_dev *dev = fh->dev;
1538 struct saa7134_tvnorm *norm = dev->tvnorm;
1539
1540 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1541 f->fmt.vbi.sampling_rate = 6750000 * 4;
1542 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1543 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1544 f->fmt.vbi.offset = 64 * 4;
1545 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1546 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1547 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1548 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1549 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1550
1551 return 0;
1552 }
1553
1554 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1555 struct v4l2_format *f)
1556 {
1557 struct saa7134_fh *fh = priv;
1558 struct saa7134_dev *dev = fh->dev;
1559
1560 f->fmt.pix.width = dev->width;
1561 f->fmt.pix.height = dev->height;
1562 f->fmt.pix.field = fh->cap.field;
1563 f->fmt.pix.pixelformat = dev->fmt->fourcc;
1564 f->fmt.pix.bytesperline =
1565 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1566 f->fmt.pix.sizeimage =
1567 f->fmt.pix.height * f->fmt.pix.bytesperline;
1568 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1569 f->fmt.pix.priv = 0;
1570 return 0;
1571 }
1572
1573 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1574 struct v4l2_format *f)
1575 {
1576 struct saa7134_fh *fh = priv;
1577 struct saa7134_dev *dev = fh->dev;
1578 struct v4l2_clip __user *clips = f->fmt.win.clips;
1579 u32 clipcount = f->fmt.win.clipcount;
1580 int err = 0;
1581 int i;
1582
1583 if (saa7134_no_overlay > 0) {
1584 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1585 return -EINVAL;
1586 }
1587 mutex_lock(&dev->lock);
1588 f->fmt.win = dev->win;
1589 f->fmt.win.clips = clips;
1590 if (clips == NULL)
1591 clipcount = 0;
1592 if (dev->nclips < clipcount)
1593 clipcount = dev->nclips;
1594 f->fmt.win.clipcount = clipcount;
1595
1596 for (i = 0; !err && i < clipcount; i++) {
1597 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1598 sizeof(struct v4l2_rect)))
1599 err = -EFAULT;
1600 }
1601 mutex_unlock(&dev->lock);
1602
1603 return err;
1604 }
1605
1606 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1607 struct v4l2_format *f)
1608 {
1609 struct saa7134_fh *fh = priv;
1610 struct saa7134_dev *dev = fh->dev;
1611 struct saa7134_format *fmt;
1612 enum v4l2_field field;
1613 unsigned int maxw, maxh;
1614
1615 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1616 if (NULL == fmt)
1617 return -EINVAL;
1618
1619 field = f->fmt.pix.field;
1620 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1621 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1622
1623 if (V4L2_FIELD_ANY == field) {
1624 field = (f->fmt.pix.height > maxh/2)
1625 ? V4L2_FIELD_INTERLACED
1626 : V4L2_FIELD_BOTTOM;
1627 }
1628 switch (field) {
1629 case V4L2_FIELD_TOP:
1630 case V4L2_FIELD_BOTTOM:
1631 maxh = maxh / 2;
1632 break;
1633 default:
1634 field = V4L2_FIELD_INTERLACED;
1635 break;
1636 }
1637
1638 f->fmt.pix.field = field;
1639 if (f->fmt.pix.width < 48)
1640 f->fmt.pix.width = 48;
1641 if (f->fmt.pix.height < 32)
1642 f->fmt.pix.height = 32;
1643 if (f->fmt.pix.width > maxw)
1644 f->fmt.pix.width = maxw;
1645 if (f->fmt.pix.height > maxh)
1646 f->fmt.pix.height = maxh;
1647 f->fmt.pix.width &= ~0x03;
1648 f->fmt.pix.bytesperline =
1649 (f->fmt.pix.width * fmt->depth) >> 3;
1650 f->fmt.pix.sizeimage =
1651 f->fmt.pix.height * f->fmt.pix.bytesperline;
1652 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1653 f->fmt.pix.priv = 0;
1654
1655 return 0;
1656 }
1657
1658 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1659 struct v4l2_format *f)
1660 {
1661 struct saa7134_fh *fh = priv;
1662 struct saa7134_dev *dev = fh->dev;
1663
1664 if (saa7134_no_overlay > 0) {
1665 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1666 return -EINVAL;
1667 }
1668
1669 if (f->fmt.win.clips == NULL)
1670 f->fmt.win.clipcount = 0;
1671 return verify_preview(dev, &f->fmt.win, true);
1672 }
1673
1674 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1675 struct v4l2_format *f)
1676 {
1677 struct saa7134_fh *fh = priv;
1678 struct saa7134_dev *dev = fh->dev;
1679 int err;
1680
1681 err = saa7134_try_fmt_vid_cap(file, priv, f);
1682 if (0 != err)
1683 return err;
1684
1685 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1686 dev->width = f->fmt.pix.width;
1687 dev->height = f->fmt.pix.height;
1688 fh->cap.field = f->fmt.pix.field;
1689 return 0;
1690 }
1691
1692 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1693 struct v4l2_format *f)
1694 {
1695 struct saa7134_fh *fh = priv;
1696 struct saa7134_dev *dev = fh->dev;
1697 int err;
1698 unsigned long flags;
1699
1700 if (saa7134_no_overlay > 0) {
1701 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1702 return -EINVAL;
1703 }
1704 if (f->fmt.win.clips == NULL)
1705 f->fmt.win.clipcount = 0;
1706 err = verify_preview(dev, &f->fmt.win, true);
1707 if (0 != err)
1708 return err;
1709
1710 mutex_lock(&dev->lock);
1711
1712 dev->win = f->fmt.win;
1713 dev->nclips = f->fmt.win.clipcount;
1714
1715 if (copy_from_user(dev->clips, f->fmt.win.clips,
1716 sizeof(struct v4l2_clip) * dev->nclips)) {
1717 mutex_unlock(&dev->lock);
1718 return -EFAULT;
1719 }
1720
1721 if (res_check(fh, RESOURCE_OVERLAY)) {
1722 spin_lock_irqsave(&dev->slock, flags);
1723 stop_preview(dev, fh);
1724 start_preview(dev, fh);
1725 spin_unlock_irqrestore(&dev->slock, flags);
1726 }
1727
1728 mutex_unlock(&dev->lock);
1729 return 0;
1730 }
1731
1732 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c)
1733 {
1734 const struct v4l2_queryctrl *ctrl;
1735
1736 if ((c->id < V4L2_CID_BASE ||
1737 c->id >= V4L2_CID_LASTP1) &&
1738 (c->id < V4L2_CID_PRIVATE_BASE ||
1739 c->id >= V4L2_CID_PRIVATE_LASTP1))
1740 return -EINVAL;
1741 ctrl = ctrl_by_id(c->id);
1742 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1743 return 0;
1744 }
1745 EXPORT_SYMBOL_GPL(saa7134_queryctrl);
1746
1747 static int saa7134_enum_input(struct file *file, void *priv,
1748 struct v4l2_input *i)
1749 {
1750 struct saa7134_fh *fh = priv;
1751 struct saa7134_dev *dev = fh->dev;
1752 unsigned int n;
1753
1754 n = i->index;
1755 if (n >= SAA7134_INPUT_MAX)
1756 return -EINVAL;
1757 if (NULL == card_in(dev, i->index).name)
1758 return -EINVAL;
1759 i->index = n;
1760 i->type = V4L2_INPUT_TYPE_CAMERA;
1761 strcpy(i->name, card_in(dev, n).name);
1762 if (card_in(dev, n).tv)
1763 i->type = V4L2_INPUT_TYPE_TUNER;
1764 if (n == dev->ctl_input) {
1765 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1766 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1767
1768 if (0 != (v1 & 0x40))
1769 i->status |= V4L2_IN_ST_NO_H_LOCK;
1770 if (0 != (v2 & 0x40))
1771 i->status |= V4L2_IN_ST_NO_SYNC;
1772 if (0 != (v2 & 0x0e))
1773 i->status |= V4L2_IN_ST_MACROVISION;
1774 }
1775 i->std = SAA7134_NORMS;
1776 return 0;
1777 }
1778
1779 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1780 {
1781 struct saa7134_fh *fh = priv;
1782 struct saa7134_dev *dev = fh->dev;
1783
1784 *i = dev->ctl_input;
1785 return 0;
1786 }
1787
1788 static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1789 {
1790 struct saa7134_fh *fh = priv;
1791 struct saa7134_dev *dev = fh->dev;
1792
1793 if (i >= SAA7134_INPUT_MAX)
1794 return -EINVAL;
1795 if (NULL == card_in(dev, i).name)
1796 return -EINVAL;
1797 mutex_lock(&dev->lock);
1798 video_mux(dev, i);
1799 mutex_unlock(&dev->lock);
1800 return 0;
1801 }
1802
1803 static int saa7134_querycap(struct file *file, void *priv,
1804 struct v4l2_capability *cap)
1805 {
1806 struct saa7134_fh *fh = priv;
1807 struct saa7134_dev *dev = fh->dev;
1808 struct video_device *vdev = video_devdata(file);
1809 u32 radio_caps, video_caps, vbi_caps;
1810
1811 unsigned int tuner_type = dev->tuner_type;
1812
1813 strcpy(cap->driver, "saa7134");
1814 strlcpy(cap->card, saa7134_boards[dev->board].name,
1815 sizeof(cap->card));
1816 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1817
1818 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1819 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1820 cap->device_caps |= V4L2_CAP_TUNER;
1821
1822 radio_caps = V4L2_CAP_RADIO;
1823 if (dev->has_rds)
1824 radio_caps |= V4L2_CAP_RDS_CAPTURE;
1825
1826 video_caps = V4L2_CAP_VIDEO_CAPTURE;
1827 if (saa7134_no_overlay <= 0)
1828 video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1829
1830 vbi_caps = V4L2_CAP_VBI_CAPTURE;
1831
1832 switch (vdev->vfl_type) {
1833 case VFL_TYPE_RADIO:
1834 cap->device_caps |= radio_caps;
1835 break;
1836 case VFL_TYPE_GRABBER:
1837 cap->device_caps |= video_caps;
1838 break;
1839 case VFL_TYPE_VBI:
1840 cap->device_caps |= vbi_caps;
1841 break;
1842 }
1843 cap->capabilities = radio_caps | video_caps | vbi_caps |
1844 cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1845 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1846 cap->device_caps &= ~V4L2_CAP_STREAMING;
1847 if (!dev->has_rds)
1848 cap->device_caps &= ~V4L2_CAP_READWRITE;
1849 }
1850
1851 return 0;
1852 }
1853
1854 int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id id)
1855 {
1856 unsigned long flags;
1857 unsigned int i;
1858 v4l2_std_id fixup;
1859
1860 if (!fh && res_locked(dev, RESOURCE_OVERLAY)) {
1861 /* Don't change the std from the mpeg device
1862 if overlay is active. */
1863 return -EBUSY;
1864 }
1865
1866 for (i = 0; i < TVNORMS; i++)
1867 if (id == tvnorms[i].id)
1868 break;
1869
1870 if (i == TVNORMS)
1871 for (i = 0; i < TVNORMS; i++)
1872 if (id & tvnorms[i].id)
1873 break;
1874 if (i == TVNORMS)
1875 return -EINVAL;
1876
1877 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1878 if (secam[0] == 'L' || secam[0] == 'l') {
1879 if (secam[1] == 'C' || secam[1] == 'c')
1880 fixup = V4L2_STD_SECAM_LC;
1881 else
1882 fixup = V4L2_STD_SECAM_L;
1883 } else {
1884 if (secam[0] == 'D' || secam[0] == 'd')
1885 fixup = V4L2_STD_SECAM_DK;
1886 else
1887 fixup = V4L2_STD_SECAM;
1888 }
1889 for (i = 0; i < TVNORMS; i++) {
1890 if (fixup == tvnorms[i].id)
1891 break;
1892 }
1893 if (i == TVNORMS)
1894 return -EINVAL;
1895 }
1896
1897 id = tvnorms[i].id;
1898
1899 mutex_lock(&dev->lock);
1900 if (fh && res_check(fh, RESOURCE_OVERLAY)) {
1901 spin_lock_irqsave(&dev->slock, flags);
1902 stop_preview(dev, fh);
1903 spin_unlock_irqrestore(&dev->slock, flags);
1904
1905 set_tvnorm(dev, &tvnorms[i]);
1906
1907 spin_lock_irqsave(&dev->slock, flags);
1908 start_preview(dev, fh);
1909 spin_unlock_irqrestore(&dev->slock, flags);
1910 } else
1911 set_tvnorm(dev, &tvnorms[i]);
1912
1913 saa7134_tvaudio_do_scan(dev);
1914 mutex_unlock(&dev->lock);
1915 return 0;
1916 }
1917 EXPORT_SYMBOL_GPL(saa7134_s_std_internal);
1918
1919 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1920 {
1921 struct saa7134_fh *fh = priv;
1922
1923 return saa7134_s_std_internal(fh->dev, fh, id);
1924 }
1925
1926 static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1927 {
1928 struct saa7134_fh *fh = priv;
1929 struct saa7134_dev *dev = fh->dev;
1930
1931 *id = dev->tvnorm->id;
1932 return 0;
1933 }
1934
1935 static int saa7134_cropcap(struct file *file, void *priv,
1936 struct v4l2_cropcap *cap)
1937 {
1938 struct saa7134_fh *fh = priv;
1939 struct saa7134_dev *dev = fh->dev;
1940
1941 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1942 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1943 return -EINVAL;
1944 cap->bounds = dev->crop_bounds;
1945 cap->defrect = dev->crop_defrect;
1946 cap->pixelaspect.numerator = 1;
1947 cap->pixelaspect.denominator = 1;
1948 if (dev->tvnorm->id & V4L2_STD_525_60) {
1949 cap->pixelaspect.numerator = 11;
1950 cap->pixelaspect.denominator = 10;
1951 }
1952 if (dev->tvnorm->id & V4L2_STD_625_50) {
1953 cap->pixelaspect.numerator = 54;
1954 cap->pixelaspect.denominator = 59;
1955 }
1956 return 0;
1957 }
1958
1959 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1960 {
1961 struct saa7134_fh *fh = f;
1962 struct saa7134_dev *dev = fh->dev;
1963
1964 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1965 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1966 return -EINVAL;
1967 crop->c = dev->crop_current;
1968 return 0;
1969 }
1970
1971 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
1972 {
1973 struct saa7134_fh *fh = f;
1974 struct saa7134_dev *dev = fh->dev;
1975 struct v4l2_rect *b = &dev->crop_bounds;
1976 struct v4l2_rect *c = &dev->crop_current;
1977
1978 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1979 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1980 return -EINVAL;
1981 if (crop->c.height < 0)
1982 return -EINVAL;
1983 if (crop->c.width < 0)
1984 return -EINVAL;
1985
1986 if (res_locked(fh->dev, RESOURCE_OVERLAY))
1987 return -EBUSY;
1988 if (res_locked(fh->dev, RESOURCE_VIDEO))
1989 return -EBUSY;
1990
1991 *c = crop->c;
1992 if (c->top < b->top)
1993 c->top = b->top;
1994 if (c->top > b->top + b->height)
1995 c->top = b->top + b->height;
1996 if (c->height > b->top - c->top + b->height)
1997 c->height = b->top - c->top + b->height;
1998
1999 if (c->left < b->left)
2000 c->left = b->left;
2001 if (c->left > b->left + b->width)
2002 c->left = b->left + b->width;
2003 if (c->width > b->left - c->left + b->width)
2004 c->width = b->left - c->left + b->width;
2005 return 0;
2006 }
2007
2008 static int saa7134_g_tuner(struct file *file, void *priv,
2009 struct v4l2_tuner *t)
2010 {
2011 struct saa7134_fh *fh = priv;
2012 struct saa7134_dev *dev = fh->dev;
2013 int n;
2014
2015 if (0 != t->index)
2016 return -EINVAL;
2017 memset(t, 0, sizeof(*t));
2018 for (n = 0; n < SAA7134_INPUT_MAX; n++) {
2019 if (card_in(dev, n).tv)
2020 break;
2021 }
2022 if (n == SAA7134_INPUT_MAX)
2023 return -EINVAL;
2024 if (NULL != card_in(dev, n).name) {
2025 strcpy(t->name, "Television");
2026 t->type = V4L2_TUNER_ANALOG_TV;
2027 saa_call_all(dev, tuner, g_tuner, t);
2028 t->capability = V4L2_TUNER_CAP_NORM |
2029 V4L2_TUNER_CAP_STEREO |
2030 V4L2_TUNER_CAP_LANG1 |
2031 V4L2_TUNER_CAP_LANG2;
2032 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
2033 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
2034 }
2035 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
2036 t->signal = 0xffff;
2037 return 0;
2038 }
2039
2040 static int saa7134_s_tuner(struct file *file, void *priv,
2041 const struct v4l2_tuner *t)
2042 {
2043 struct saa7134_fh *fh = priv;
2044 struct saa7134_dev *dev = fh->dev;
2045 int rx, mode;
2046
2047 if (0 != t->index)
2048 return -EINVAL;
2049
2050 mode = dev->thread.mode;
2051 if (UNSET == mode) {
2052 rx = saa7134_tvaudio_getstereo(dev);
2053 mode = saa7134_tvaudio_rx2mode(rx);
2054 }
2055 if (mode != t->audmode)
2056 dev->thread.mode = t->audmode;
2057
2058 return 0;
2059 }
2060
2061 static int saa7134_g_frequency(struct file *file, void *priv,
2062 struct v4l2_frequency *f)
2063 {
2064 struct saa7134_fh *fh = priv;
2065 struct saa7134_dev *dev = fh->dev;
2066
2067 if (0 != f->tuner)
2068 return -EINVAL;
2069
2070 saa_call_all(dev, tuner, g_frequency, f);
2071
2072 return 0;
2073 }
2074
2075 static int saa7134_s_frequency(struct file *file, void *priv,
2076 const struct v4l2_frequency *f)
2077 {
2078 struct saa7134_fh *fh = priv;
2079 struct saa7134_dev *dev = fh->dev;
2080
2081 if (0 != f->tuner)
2082 return -EINVAL;
2083 mutex_lock(&dev->lock);
2084
2085 saa_call_all(dev, tuner, s_frequency, f);
2086
2087 saa7134_tvaudio_do_scan(dev);
2088 mutex_unlock(&dev->lock);
2089 return 0;
2090 }
2091
2092 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
2093 struct v4l2_fmtdesc *f)
2094 {
2095 if (f->index >= FORMATS)
2096 return -EINVAL;
2097
2098 strlcpy(f->description, formats[f->index].name,
2099 sizeof(f->description));
2100
2101 f->pixelformat = formats[f->index].fourcc;
2102
2103 return 0;
2104 }
2105
2106 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
2107 struct v4l2_fmtdesc *f)
2108 {
2109 if (saa7134_no_overlay > 0) {
2110 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2111 return -EINVAL;
2112 }
2113
2114 if ((f->index >= FORMATS) || formats[f->index].planar)
2115 return -EINVAL;
2116
2117 strlcpy(f->description, formats[f->index].name,
2118 sizeof(f->description));
2119
2120 f->pixelformat = formats[f->index].fourcc;
2121
2122 return 0;
2123 }
2124
2125 static int saa7134_g_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
2131 *fb = dev->ovbuf;
2132 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2133
2134 return 0;
2135 }
2136
2137 static int saa7134_s_fbuf(struct file *file, void *f,
2138 const struct v4l2_framebuffer *fb)
2139 {
2140 struct saa7134_fh *fh = f;
2141 struct saa7134_dev *dev = fh->dev;
2142 struct saa7134_format *fmt;
2143
2144 if (!capable(CAP_SYS_ADMIN) &&
2145 !capable(CAP_SYS_RAWIO))
2146 return -EPERM;
2147
2148 /* check args */
2149 fmt = format_by_fourcc(fb->fmt.pixelformat);
2150 if (NULL == fmt)
2151 return -EINVAL;
2152
2153 /* ok, accept it */
2154 dev->ovbuf = *fb;
2155 dev->ovfmt = fmt;
2156 if (0 == dev->ovbuf.fmt.bytesperline)
2157 dev->ovbuf.fmt.bytesperline =
2158 dev->ovbuf.fmt.width*fmt->depth/8;
2159 return 0;
2160 }
2161
2162 static int saa7134_overlay(struct file *file, void *f, unsigned int on)
2163 {
2164 struct saa7134_fh *fh = f;
2165 struct saa7134_dev *dev = fh->dev;
2166 unsigned long flags;
2167
2168 if (on) {
2169 if (saa7134_no_overlay > 0) {
2170 dprintk("no_overlay\n");
2171 return -EINVAL;
2172 }
2173
2174 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2175 return -EBUSY;
2176 spin_lock_irqsave(&dev->slock, flags);
2177 start_preview(dev, fh);
2178 spin_unlock_irqrestore(&dev->slock, flags);
2179 }
2180 if (!on) {
2181 if (!res_check(fh, RESOURCE_OVERLAY))
2182 return -EINVAL;
2183 spin_lock_irqsave(&dev->slock, flags);
2184 stop_preview(dev, fh);
2185 spin_unlock_irqrestore(&dev->slock, flags);
2186 res_free(dev, fh, RESOURCE_OVERLAY);
2187 }
2188 return 0;
2189 }
2190
2191 static int saa7134_reqbufs(struct file *file, void *priv,
2192 struct v4l2_requestbuffers *p)
2193 {
2194 return videobuf_reqbufs(saa7134_queue(file), p);
2195 }
2196
2197 static int saa7134_querybuf(struct file *file, void *priv,
2198 struct v4l2_buffer *b)
2199 {
2200 return videobuf_querybuf(saa7134_queue(file), b);
2201 }
2202
2203 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2204 {
2205 return videobuf_qbuf(saa7134_queue(file), b);
2206 }
2207
2208 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2209 {
2210 return videobuf_dqbuf(saa7134_queue(file), 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(file);
2220
2221 if (!res_get(dev, fh, res))
2222 return -EBUSY;
2223
2224 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
2225 * configured conservatively, there's 22 usec of buffering for video.
2226 * We therefore request a DMA latency of 20 usec, giving us 2 usec of
2227 * margin in case the FIFO is configured differently to the datasheet.
2228 * Unfortunately, I lack register-level documentation to check the
2229 * Linux FIFO setup and confirm the perfect value.
2230 */
2231 pm_qos_add_request(&dev->qos_request,
2232 PM_QOS_CPU_DMA_LATENCY,
2233 20);
2234
2235 return videobuf_streamon(saa7134_queue(file));
2236 }
2237
2238 static int saa7134_streamoff(struct file *file, void *priv,
2239 enum v4l2_buf_type type)
2240 {
2241 int err;
2242 struct saa7134_fh *fh = priv;
2243 struct saa7134_dev *dev = fh->dev;
2244 int res = saa7134_resource(file);
2245
2246 pm_qos_remove_request(&dev->qos_request);
2247
2248 err = videobuf_streamoff(saa7134_queue(file));
2249 if (err < 0)
2250 return err;
2251 res_free(dev, fh, res);
2252 return 0;
2253 }
2254
2255 #ifdef CONFIG_VIDEO_ADV_DEBUG
2256 static int vidioc_g_register (struct file *file, void *priv,
2257 struct v4l2_dbg_register *reg)
2258 {
2259 struct saa7134_fh *fh = priv;
2260 struct saa7134_dev *dev = fh->dev;
2261
2262 reg->val = saa_readb(reg->reg & 0xffffff);
2263 reg->size = 1;
2264 return 0;
2265 }
2266
2267 static int vidioc_s_register (struct file *file, void *priv,
2268 const struct v4l2_dbg_register *reg)
2269 {
2270 struct saa7134_fh *fh = priv;
2271 struct saa7134_dev *dev = fh->dev;
2272
2273 saa_writeb(reg->reg & 0xffffff, reg->val);
2274 return 0;
2275 }
2276 #endif
2277
2278 static int radio_g_tuner(struct file *file, void *priv,
2279 struct v4l2_tuner *t)
2280 {
2281 struct saa7134_fh *fh = file->private_data;
2282 struct saa7134_dev *dev = fh->dev;
2283
2284 if (0 != t->index)
2285 return -EINVAL;
2286
2287 strcpy(t->name, "Radio");
2288
2289 saa_call_all(dev, tuner, g_tuner, t);
2290 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
2291 if (dev->input->amux == TV) {
2292 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2293 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2294 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2295 }
2296 return 0;
2297 }
2298 static int radio_s_tuner(struct file *file, void *priv,
2299 const 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 saa_call_all(dev, tuner, s_tuner, t);
2308 return 0;
2309 }
2310
2311 static int radio_enum_input(struct file *file, void *priv,
2312 struct v4l2_input *i)
2313 {
2314 if (i->index != 0)
2315 return -EINVAL;
2316
2317 strcpy(i->name, "Radio");
2318 i->type = V4L2_INPUT_TYPE_TUNER;
2319
2320 return 0;
2321 }
2322
2323 static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2324 {
2325 *i = 0;
2326 return 0;
2327 }
2328
2329 static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2330 {
2331 return 0;
2332 }
2333
2334 static int radio_s_std(struct file *file, void *fh, v4l2_std_id norm)
2335 {
2336 return 0;
2337 }
2338
2339 static int radio_queryctrl(struct file *file, void *priv,
2340 struct v4l2_queryctrl *c)
2341 {
2342 const struct v4l2_queryctrl *ctrl;
2343
2344 if (c->id < V4L2_CID_BASE ||
2345 c->id >= V4L2_CID_LASTP1)
2346 return -EINVAL;
2347 if (c->id == V4L2_CID_AUDIO_MUTE) {
2348 ctrl = ctrl_by_id(c->id);
2349 *c = *ctrl;
2350 } else
2351 *c = no_ctrl;
2352 return 0;
2353 }
2354
2355 static const struct v4l2_file_operations video_fops =
2356 {
2357 .owner = THIS_MODULE,
2358 .open = video_open,
2359 .release = video_release,
2360 .read = video_read,
2361 .poll = video_poll,
2362 .mmap = video_mmap,
2363 .ioctl = video_ioctl2,
2364 };
2365
2366 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2367 .vidioc_querycap = saa7134_querycap,
2368 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap,
2369 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
2370 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
2371 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
2372 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay,
2373 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay,
2374 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay,
2375 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay,
2376 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2377 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2378 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2379 .vidioc_cropcap = saa7134_cropcap,
2380 .vidioc_reqbufs = saa7134_reqbufs,
2381 .vidioc_querybuf = saa7134_querybuf,
2382 .vidioc_qbuf = saa7134_qbuf,
2383 .vidioc_dqbuf = saa7134_dqbuf,
2384 .vidioc_s_std = saa7134_s_std,
2385 .vidioc_g_std = saa7134_g_std,
2386 .vidioc_enum_input = saa7134_enum_input,
2387 .vidioc_g_input = saa7134_g_input,
2388 .vidioc_s_input = saa7134_s_input,
2389 .vidioc_queryctrl = saa7134_queryctrl,
2390 .vidioc_g_ctrl = saa7134_g_ctrl,
2391 .vidioc_s_ctrl = saa7134_s_ctrl,
2392 .vidioc_streamon = saa7134_streamon,
2393 .vidioc_streamoff = saa7134_streamoff,
2394 .vidioc_g_tuner = saa7134_g_tuner,
2395 .vidioc_s_tuner = saa7134_s_tuner,
2396 .vidioc_g_crop = saa7134_g_crop,
2397 .vidioc_s_crop = saa7134_s_crop,
2398 .vidioc_g_fbuf = saa7134_g_fbuf,
2399 .vidioc_s_fbuf = saa7134_s_fbuf,
2400 .vidioc_overlay = saa7134_overlay,
2401 .vidioc_g_frequency = saa7134_g_frequency,
2402 .vidioc_s_frequency = saa7134_s_frequency,
2403 #ifdef CONFIG_VIDEO_ADV_DEBUG
2404 .vidioc_g_register = vidioc_g_register,
2405 .vidioc_s_register = vidioc_s_register,
2406 #endif
2407 };
2408
2409 static const struct v4l2_file_operations radio_fops = {
2410 .owner = THIS_MODULE,
2411 .open = video_open,
2412 .read = radio_read,
2413 .release = video_release,
2414 .ioctl = video_ioctl2,
2415 .poll = radio_poll,
2416 };
2417
2418 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2419 .vidioc_querycap = saa7134_querycap,
2420 .vidioc_g_tuner = radio_g_tuner,
2421 .vidioc_enum_input = radio_enum_input,
2422 .vidioc_s_tuner = radio_s_tuner,
2423 .vidioc_s_input = radio_s_input,
2424 .vidioc_s_std = radio_s_std,
2425 .vidioc_queryctrl = radio_queryctrl,
2426 .vidioc_g_input = radio_g_input,
2427 .vidioc_g_ctrl = saa7134_g_ctrl,
2428 .vidioc_s_ctrl = saa7134_s_ctrl,
2429 .vidioc_g_frequency = saa7134_g_frequency,
2430 .vidioc_s_frequency = saa7134_s_frequency,
2431 };
2432
2433 /* ----------------------------------------------------------- */
2434 /* exported stuff */
2435
2436 struct video_device saa7134_video_template = {
2437 .name = "saa7134-video",
2438 .fops = &video_fops,
2439 .ioctl_ops = &video_ioctl_ops,
2440 .tvnorms = SAA7134_NORMS,
2441 };
2442
2443 struct video_device saa7134_radio_template = {
2444 .name = "saa7134-radio",
2445 .fops = &radio_fops,
2446 .ioctl_ops = &radio_ioctl_ops,
2447 };
2448
2449 int saa7134_video_init1(struct saa7134_dev *dev)
2450 {
2451 /* sanitycheck insmod options */
2452 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2453 gbuffers = 2;
2454 if (gbufsize > gbufsize_max)
2455 gbufsize = gbufsize_max;
2456 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2457
2458 /* put some sensible defaults into the data structures ... */
2459 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2460 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2461 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2462 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2463 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2464 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2465 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2466 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2467
2468 if (dev->tda9887_conf && dev->ctl_automute)
2469 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2470 dev->automute = 0;
2471
2472 INIT_LIST_HEAD(&dev->video_q.queue);
2473 init_timer(&dev->video_q.timeout);
2474 dev->video_q.timeout.function = saa7134_buffer_timeout;
2475 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2476 dev->video_q.dev = dev;
2477 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2478 dev->width = 720;
2479 dev->height = 576;
2480 dev->win.w.width = dev->width;
2481 dev->win.w.height = dev->height;
2482 dev->win.field = V4L2_FIELD_INTERLACED;
2483 dev->ovbuf.fmt.width = dev->width;
2484 dev->ovbuf.fmt.height = dev->height;
2485 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2486 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2487
2488 if (saa7134_boards[dev->board].video_out)
2489 saa7134_videoport_init(dev);
2490
2491 return 0;
2492 }
2493
2494 int saa7134_videoport_init(struct saa7134_dev *dev)
2495 {
2496 /* enable video output */
2497 int vo = saa7134_boards[dev->board].video_out;
2498 int video_reg;
2499 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2500
2501 /* Configure videoport */
2502 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2503 video_reg = video_out[vo][1];
2504 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2505 video_reg &= ~VP_T_CODE_P_INVERTED;
2506 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2507 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2508 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2509 video_reg = video_out[vo][5];
2510 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2511 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2512 if (vid_port_opts & SET_CLOCK_INVERTED)
2513 video_reg |= VP_CLK_CTRL1_INVERTED;
2514 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2515 video_reg = video_out[vo][6];
2516 if (vid_port_opts & SET_VSYNC_OFF) {
2517 video_reg &= ~VP_VS_TYPE_MASK;
2518 video_reg |= VP_VS_TYPE_OFF;
2519 }
2520 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2521 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2522 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2523
2524 /* Start videoport */
2525 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2526
2527 return 0;
2528 }
2529
2530 int saa7134_video_init2(struct saa7134_dev *dev)
2531 {
2532 /* init video hw */
2533 set_tvnorm(dev,&tvnorms[0]);
2534 video_mux(dev,0);
2535 saa7134_tvaudio_setmute(dev);
2536 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2537 return 0;
2538 }
2539
2540 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2541 {
2542 static const char *st[] = {
2543 "(no signal)", "NTSC", "PAL", "SECAM" };
2544 u32 st1,st2;
2545
2546 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2547 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2548 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2549 (st1 & 0x40) ? "not locked" : "locked",
2550 (st2 & 0x40) ? "no" : "yes",
2551 st[st1 & 0x03]);
2552 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2553
2554 if (dev->nosignal) {
2555 /* no video signal -> mute audio */
2556 if (dev->ctl_automute)
2557 dev->automute = 1;
2558 saa7134_tvaudio_setmute(dev);
2559 } else {
2560 /* wake up tvaudio audio carrier scan thread */
2561 saa7134_tvaudio_do_scan(dev);
2562 }
2563
2564 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2565 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2566 else
2567 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2568
2569 if (dev->mops && dev->mops->signal_change)
2570 dev->mops->signal_change(dev);
2571 }
2572
2573
2574 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2575 {
2576 enum v4l2_field field;
2577
2578 spin_lock(&dev->slock);
2579 if (dev->video_q.curr) {
2580 dev->video_fieldcount++;
2581 field = dev->video_q.curr->vb.field;
2582 if (V4L2_FIELD_HAS_BOTH(field)) {
2583 /* make sure we have seen both fields */
2584 if ((status & 0x10) == 0x00) {
2585 dev->video_q.curr->top_seen = 1;
2586 goto done;
2587 }
2588 if (!dev->video_q.curr->top_seen)
2589 goto done;
2590 } else if (field == V4L2_FIELD_TOP) {
2591 if ((status & 0x10) != 0x10)
2592 goto done;
2593 } else if (field == V4L2_FIELD_BOTTOM) {
2594 if ((status & 0x10) != 0x00)
2595 goto done;
2596 }
2597 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2598 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2599 }
2600 saa7134_buffer_next(dev,&dev->video_q);
2601
2602 done:
2603 spin_unlock(&dev->slock);
2604 }
2605
2606 /* ----------------------------------------------------------- */
2607 /*
2608 * Local variables:
2609 * c-basic-offset: 8
2610 * End:
2611 */
CRIS linux kernel tree