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Linux 2.6.34-rc3
[pohmelfs.git] / drivers / media / video / saa7134 / saa7134-video.c
blob31138d3e51bb5907d20398d20c27de8d93fda50c
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/rds.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 /* When called from the empress code fh == NULL.
1180 That needs to be fixed somehow, but for now this is
1181 good enough. */
1182 if (fh) {
1183 err = v4l2_prio_check(&dev->prio, &fh->prio);
1184 if (0 != err)
1185 return err;
1186 }
1187 err = -EINVAL;
1188
1189 mutex_lock(&dev->lock);
1190
1191 ctrl = ctrl_by_id(c->id);
1192 if (NULL == ctrl)
1193 goto error;
1194
1195 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1196 switch (ctrl->type) {
1197 case V4L2_CTRL_TYPE_BOOLEAN:
1198 case V4L2_CTRL_TYPE_MENU:
1199 case V4L2_CTRL_TYPE_INTEGER:
1200 if (c->value < ctrl->minimum)
1201 c->value = ctrl->minimum;
1202 if (c->value > ctrl->maximum)
1203 c->value = ctrl->maximum;
1204 break;
1205 default:
1206 /* nothing */;
1207 };
1208 switch (c->id) {
1209 case V4L2_CID_BRIGHTNESS:
1210 dev->ctl_bright = c->value;
1211 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1212 break;
1213 case V4L2_CID_HUE:
1214 dev->ctl_hue = c->value;
1215 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1216 break;
1217 case V4L2_CID_CONTRAST:
1218 dev->ctl_contrast = c->value;
1219 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1220 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1221 break;
1222 case V4L2_CID_SATURATION:
1223 dev->ctl_saturation = c->value;
1224 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1225 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1226 break;
1227 case V4L2_CID_AUDIO_MUTE:
1228 dev->ctl_mute = c->value;
1229 saa7134_tvaudio_setmute(dev);
1230 break;
1231 case V4L2_CID_AUDIO_VOLUME:
1232 dev->ctl_volume = c->value;
1233 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1234 break;
1235 case V4L2_CID_PRIVATE_INVERT:
1236 dev->ctl_invert = c->value;
1237 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1238 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1239 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1240 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1241 break;
1242 case V4L2_CID_HFLIP:
1243 dev->ctl_mirror = c->value;
1244 restart_overlay = 1;
1245 break;
1246 case V4L2_CID_PRIVATE_Y_EVEN:
1247 dev->ctl_y_even = c->value;
1248 restart_overlay = 1;
1249 break;
1250 case V4L2_CID_PRIVATE_Y_ODD:
1251 dev->ctl_y_odd = c->value;
1252 restart_overlay = 1;
1253 break;
1254 case V4L2_CID_PRIVATE_AUTOMUTE:
1255 {
1256 struct v4l2_priv_tun_config tda9887_cfg;
1257
1258 tda9887_cfg.tuner = TUNER_TDA9887;
1259 tda9887_cfg.priv = &dev->tda9887_conf;
1260
1261 dev->ctl_automute = c->value;
1262 if (dev->tda9887_conf) {
1263 if (dev->ctl_automute)
1264 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1265 else
1266 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1267
1268 saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1269 }
1270 break;
1271 }
1272 default:
1273 goto error;
1274 }
1275 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1276 spin_lock_irqsave(&dev->slock,flags);
1277 stop_preview(dev,fh);
1278 start_preview(dev,fh);
1279 spin_unlock_irqrestore(&dev->slock,flags);
1280 }
1281 err = 0;
1282
1283 error:
1284 mutex_unlock(&dev->lock);
1285 return err;
1286 }
1287 EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal);
1288
1289 static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c)
1290 {
1291 struct saa7134_fh *fh = f;
1292
1293 return saa7134_s_ctrl_internal(fh->dev, fh, c);
1294 }
1295
1296 /* ------------------------------------------------------------------ */
1297
1298 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1299 {
1300 struct videobuf_queue* q = NULL;
1301
1302 switch (fh->type) {
1303 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1304 q = &fh->cap;
1305 break;
1306 case V4L2_BUF_TYPE_VBI_CAPTURE:
1307 q = &fh->vbi;
1308 break;
1309 default:
1310 BUG();
1311 }
1312 return q;
1313 }
1314
1315 static int saa7134_resource(struct saa7134_fh *fh)
1316 {
1317 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1318 return RESOURCE_VIDEO;
1319
1320 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1321 return RESOURCE_VBI;
1322
1323 BUG();
1324 return 0;
1325 }
1326
1327 static int video_open(struct file *file)
1328 {
1329 struct video_device *vdev = video_devdata(file);
1330 struct saa7134_dev *dev = video_drvdata(file);
1331 struct saa7134_fh *fh;
1332 enum v4l2_buf_type type = 0;
1333 int radio = 0;
1334
1335 switch (vdev->vfl_type) {
1336 case VFL_TYPE_GRABBER:
1337 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1338 break;
1339 case VFL_TYPE_VBI:
1340 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1341 break;
1342 case VFL_TYPE_RADIO:
1343 radio = 1;
1344 break;
1345 }
1346
1347 dprintk("open dev=%s radio=%d type=%s\n", video_device_node_name(vdev),
1348 radio, v4l2_type_names[type]);
1349
1350 /* allocate + initialize per filehandle data */
1351 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1352 if (NULL == fh)
1353 return -ENOMEM;
1354
1355 file->private_data = fh;
1356 fh->dev = dev;
1357 fh->radio = radio;
1358 fh->type = type;
1359 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1360 fh->width = 720;
1361 fh->height = 576;
1362 v4l2_prio_open(&dev->prio,&fh->prio);
1363
1364 videobuf_queue_sg_init(&fh->cap, &video_qops,
1365 &dev->pci->dev, &dev->slock,
1366 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1367 V4L2_FIELD_INTERLACED,
1368 sizeof(struct saa7134_buf),
1369 fh);
1370 videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops,
1371 &dev->pci->dev, &dev->slock,
1372 V4L2_BUF_TYPE_VBI_CAPTURE,
1373 V4L2_FIELD_SEQ_TB,
1374 sizeof(struct saa7134_buf),
1375 fh);
1376 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1377 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1378
1379 if (fh->radio) {
1380 /* switch to radio mode */
1381 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1382 saa_call_all(dev, tuner, s_radio);
1383 } else {
1384 /* switch to video/vbi mode */
1385 video_mux(dev,dev->ctl_input);
1386 }
1387 return 0;
1388 }
1389
1390 static ssize_t
1391 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1392 {
1393 struct saa7134_fh *fh = file->private_data;
1394
1395 switch (fh->type) {
1396 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1397 if (res_locked(fh->dev,RESOURCE_VIDEO))
1398 return -EBUSY;
1399 return videobuf_read_one(saa7134_queue(fh),
1400 data, count, ppos,
1401 file->f_flags & O_NONBLOCK);
1402 case V4L2_BUF_TYPE_VBI_CAPTURE:
1403 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1404 return -EBUSY;
1405 return videobuf_read_stream(saa7134_queue(fh),
1406 data, count, ppos, 1,
1407 file->f_flags & O_NONBLOCK);
1408 break;
1409 default:
1410 BUG();
1411 return 0;
1412 }
1413 }
1414
1415 static unsigned int
1416 video_poll(struct file *file, struct poll_table_struct *wait)
1417 {
1418 struct saa7134_fh *fh = file->private_data;
1419 struct videobuf_buffer *buf = NULL;
1420 unsigned int rc = 0;
1421
1422 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1423 return videobuf_poll_stream(file, &fh->vbi, wait);
1424
1425 if (res_check(fh,RESOURCE_VIDEO)) {
1426 mutex_lock(&fh->cap.vb_lock);
1427 if (!list_empty(&fh->cap.stream))
1428 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1429 } else {
1430 mutex_lock(&fh->cap.vb_lock);
1431 if (UNSET == fh->cap.read_off) {
1432 /* need to capture a new frame */
1433 if (res_locked(fh->dev,RESOURCE_VIDEO))
1434 goto err;
1435 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field))
1436 goto err;
1437 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1438 fh->cap.read_off = 0;
1439 }
1440 buf = fh->cap.read_buf;
1441 }
1442
1443 if (!buf)
1444 goto err;
1445
1446 poll_wait(file, &buf->done, wait);
1447 if (buf->state == VIDEOBUF_DONE ||
1448 buf->state == VIDEOBUF_ERROR)
1449 rc = POLLIN|POLLRDNORM;
1450 mutex_unlock(&fh->cap.vb_lock);
1451 return rc;
1452
1453 err:
1454 mutex_unlock(&fh->cap.vb_lock);
1455 return POLLERR;
1456 }
1457
1458 static int video_release(struct file *file)
1459 {
1460 struct saa7134_fh *fh = file->private_data;
1461 struct saa7134_dev *dev = fh->dev;
1462 struct rds_command cmd;
1463 unsigned long flags;
1464
1465 /* turn off overlay */
1466 if (res_check(fh, RESOURCE_OVERLAY)) {
1467 spin_lock_irqsave(&dev->slock,flags);
1468 stop_preview(dev,fh);
1469 spin_unlock_irqrestore(&dev->slock,flags);
1470 res_free(dev,fh,RESOURCE_OVERLAY);
1471 }
1472
1473 /* stop video capture */
1474 if (res_check(fh, RESOURCE_VIDEO)) {
1475 videobuf_streamoff(&fh->cap);
1476 res_free(dev,fh,RESOURCE_VIDEO);
1477 }
1478 if (fh->cap.read_buf) {
1479 buffer_release(&fh->cap,fh->cap.read_buf);
1480 kfree(fh->cap.read_buf);
1481 }
1482
1483 /* stop vbi capture */
1484 if (res_check(fh, RESOURCE_VBI)) {
1485 videobuf_stop(&fh->vbi);
1486 res_free(dev,fh,RESOURCE_VBI);
1487 }
1488
1489 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1490 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1491 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1492 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1493 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1494
1495 saa_call_all(dev, core, s_power, 0);
1496 if (fh->radio)
1497 saa_call_all(dev, core, ioctl, RDS_CMD_CLOSE, &cmd);
1498
1499 /* free stuff */
1500 videobuf_mmap_free(&fh->cap);
1501 videobuf_mmap_free(&fh->vbi);
1502 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1503 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1504
1505 v4l2_prio_close(&dev->prio,&fh->prio);
1506 file->private_data = NULL;
1507 kfree(fh);
1508 return 0;
1509 }
1510
1511 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1512 {
1513 struct saa7134_fh *fh = file->private_data;
1514
1515 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1516 }
1517
1518 static ssize_t radio_read(struct file *file, char __user *data,
1519 size_t count, loff_t *ppos)
1520 {
1521 struct saa7134_fh *fh = file->private_data;
1522 struct saa7134_dev *dev = fh->dev;
1523 struct rds_command cmd;
1524
1525 cmd.block_count = count/3;
1526 cmd.buffer = data;
1527 cmd.instance = file;
1528 cmd.result = -ENODEV;
1529
1530 saa_call_all(dev, core, ioctl, RDS_CMD_READ, &cmd);
1531
1532 return cmd.result;
1533 }
1534
1535 static unsigned int radio_poll(struct file *file, poll_table *wait)
1536 {
1537 struct saa7134_fh *fh = file->private_data;
1538 struct saa7134_dev *dev = fh->dev;
1539 struct rds_command cmd;
1540
1541 cmd.instance = file;
1542 cmd.event_list = wait;
1543 cmd.result = -ENODEV;
1544 saa_call_all(dev, core, ioctl, RDS_CMD_POLL, &cmd);
1545
1546 return cmd.result;
1547 }
1548
1549 /* ------------------------------------------------------------------ */
1550
1551 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1552 struct v4l2_format *f)
1553 {
1554 struct saa7134_fh *fh = priv;
1555 struct saa7134_dev *dev = fh->dev;
1556 struct saa7134_tvnorm *norm = dev->tvnorm;
1557
1558 f->fmt.vbi.sampling_rate = 6750000 * 4;
1559 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1560 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1561 f->fmt.vbi.offset = 64 * 4;
1562 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1563 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1564 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1565 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1566 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1567
1568 return 0;
1569 }
1570
1571 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1572 struct v4l2_format *f)
1573 {
1574 struct saa7134_fh *fh = priv;
1575
1576 f->fmt.pix.width = fh->width;
1577 f->fmt.pix.height = fh->height;
1578 f->fmt.pix.field = fh->cap.field;
1579 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1580 f->fmt.pix.bytesperline =
1581 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1582 f->fmt.pix.sizeimage =
1583 f->fmt.pix.height * f->fmt.pix.bytesperline;
1584 return 0;
1585 }
1586
1587 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1588 struct v4l2_format *f)
1589 {
1590 struct saa7134_fh *fh = priv;
1591
1592 if (saa7134_no_overlay > 0) {
1593 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1594 return -EINVAL;
1595 }
1596 f->fmt.win = fh->win;
1597
1598 return 0;
1599 }
1600
1601 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1602 struct v4l2_format *f)
1603 {
1604 struct saa7134_fh *fh = priv;
1605 struct saa7134_dev *dev = fh->dev;
1606 struct saa7134_format *fmt;
1607 enum v4l2_field field;
1608 unsigned int maxw, maxh;
1609
1610 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1611 if (NULL == fmt)
1612 return -EINVAL;
1613
1614 field = f->fmt.pix.field;
1615 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1616 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1617
1618 if (V4L2_FIELD_ANY == field) {
1619 field = (f->fmt.pix.height > maxh/2)
1620 ? V4L2_FIELD_INTERLACED
1621 : V4L2_FIELD_BOTTOM;
1622 }
1623 switch (field) {
1624 case V4L2_FIELD_TOP:
1625 case V4L2_FIELD_BOTTOM:
1626 maxh = maxh / 2;
1627 break;
1628 case V4L2_FIELD_INTERLACED:
1629 break;
1630 default:
1631 return -EINVAL;
1632 }
1633
1634 f->fmt.pix.field = field;
1635 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
1636 &f->fmt.pix.height, 32, maxh, 0, 0);
1637 f->fmt.pix.bytesperline =
1638 (f->fmt.pix.width * fmt->depth) >> 3;
1639 f->fmt.pix.sizeimage =
1640 f->fmt.pix.height * f->fmt.pix.bytesperline;
1641
1642 return 0;
1643 }
1644
1645 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1646 struct v4l2_format *f)
1647 {
1648 struct saa7134_fh *fh = priv;
1649 struct saa7134_dev *dev = fh->dev;
1650
1651 if (saa7134_no_overlay > 0) {
1652 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1653 return -EINVAL;
1654 }
1655
1656 return verify_preview(dev, &f->fmt.win);
1657 }
1658
1659 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1660 struct v4l2_format *f)
1661 {
1662 struct saa7134_fh *fh = priv;
1663 int err;
1664
1665 err = saa7134_try_fmt_vid_cap(file, priv, f);
1666 if (0 != err)
1667 return err;
1668
1669 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1670 fh->width = f->fmt.pix.width;
1671 fh->height = f->fmt.pix.height;
1672 fh->cap.field = f->fmt.pix.field;
1673 return 0;
1674 }
1675
1676 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1677 struct v4l2_format *f)
1678 {
1679 struct saa7134_fh *fh = priv;
1680 struct saa7134_dev *dev = fh->dev;
1681 int err;
1682 unsigned long flags;
1683
1684 if (saa7134_no_overlay > 0) {
1685 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1686 return -EINVAL;
1687 }
1688 err = verify_preview(dev, &f->fmt.win);
1689 if (0 != err)
1690 return err;
1691
1692 mutex_lock(&dev->lock);
1693
1694 fh->win = f->fmt.win;
1695 fh->nclips = f->fmt.win.clipcount;
1696
1697 if (fh->nclips > 8)
1698 fh->nclips = 8;
1699
1700 if (copy_from_user(fh->clips, f->fmt.win.clips,
1701 sizeof(struct v4l2_clip)*fh->nclips)) {
1702 mutex_unlock(&dev->lock);
1703 return -EFAULT;
1704 }
1705
1706 if (res_check(fh, RESOURCE_OVERLAY)) {
1707 spin_lock_irqsave(&dev->slock, flags);
1708 stop_preview(dev, fh);
1709 start_preview(dev, fh);
1710 spin_unlock_irqrestore(&dev->slock, flags);
1711 }
1712
1713 mutex_unlock(&dev->lock);
1714 return 0;
1715 }
1716
1717 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c)
1718 {
1719 const struct v4l2_queryctrl *ctrl;
1720
1721 if ((c->id < V4L2_CID_BASE ||
1722 c->id >= V4L2_CID_LASTP1) &&
1723 (c->id < V4L2_CID_PRIVATE_BASE ||
1724 c->id >= V4L2_CID_PRIVATE_LASTP1))
1725 return -EINVAL;
1726 ctrl = ctrl_by_id(c->id);
1727 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1728 return 0;
1729 }
1730 EXPORT_SYMBOL_GPL(saa7134_queryctrl);
1731
1732 static int saa7134_enum_input(struct file *file, void *priv,
1733 struct v4l2_input *i)
1734 {
1735 struct saa7134_fh *fh = priv;
1736 struct saa7134_dev *dev = fh->dev;
1737 unsigned int n;
1738
1739 n = i->index;
1740 if (n >= SAA7134_INPUT_MAX)
1741 return -EINVAL;
1742 if (NULL == card_in(dev, i->index).name)
1743 return -EINVAL;
1744 memset(i, 0, sizeof(*i));
1745 i->index = n;
1746 i->type = V4L2_INPUT_TYPE_CAMERA;
1747 strcpy(i->name, card_in(dev, n).name);
1748 if (card_in(dev, n).tv)
1749 i->type = V4L2_INPUT_TYPE_TUNER;
1750 i->audioset = 1;
1751 if (n == dev->ctl_input) {
1752 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1753 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1754
1755 if (0 != (v1 & 0x40))
1756 i->status |= V4L2_IN_ST_NO_H_LOCK;
1757 if (0 != (v2 & 0x40))
1758 i->status |= V4L2_IN_ST_NO_SYNC;
1759 if (0 != (v2 & 0x0e))
1760 i->status |= V4L2_IN_ST_MACROVISION;
1761 }
1762 i->std = SAA7134_NORMS;
1763 return 0;
1764 }
1765
1766 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1767 {
1768 struct saa7134_fh *fh = priv;
1769 struct saa7134_dev *dev = fh->dev;
1770
1771 *i = dev->ctl_input;
1772 return 0;
1773 }
1774
1775 static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1776 {
1777 struct saa7134_fh *fh = priv;
1778 struct saa7134_dev *dev = fh->dev;
1779 int err;
1780
1781 err = v4l2_prio_check(&dev->prio, &fh->prio);
1782 if (0 != err)
1783 return err;
1784
1785 if (i >= SAA7134_INPUT_MAX)
1786 return -EINVAL;
1787 if (NULL == card_in(dev, i).name)
1788 return -EINVAL;
1789 mutex_lock(&dev->lock);
1790 video_mux(dev, i);
1791 mutex_unlock(&dev->lock);
1792 return 0;
1793 }
1794
1795 static int saa7134_querycap(struct file *file, void *priv,
1796 struct v4l2_capability *cap)
1797 {
1798 struct saa7134_fh *fh = priv;
1799 struct saa7134_dev *dev = fh->dev;
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 cap->version = SAA7134_VERSION_CODE;
1808 cap->capabilities =
1809 V4L2_CAP_VIDEO_CAPTURE |
1810 V4L2_CAP_VBI_CAPTURE |
1811 V4L2_CAP_READWRITE |
1812 V4L2_CAP_STREAMING |
1813 V4L2_CAP_TUNER;
1814 if (dev->has_rds)
1815 cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
1816 if (saa7134_no_overlay <= 0)
1817 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1818
1819 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1820 cap->capabilities &= ~V4L2_CAP_TUNER;
1821 return 0;
1822 }
1823
1824 int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id *id)
1825 {
1826 unsigned long flags;
1827 unsigned int i;
1828 v4l2_std_id fixup;
1829 int err;
1830
1831 /* When called from the empress code fh == NULL.
1832 That needs to be fixed somehow, but for now this is
1833 good enough. */
1834 if (fh) {
1835 err = v4l2_prio_check(&dev->prio, &fh->prio);
1836 if (0 != err)
1837 return err;
1838 } else if (res_locked(dev, RESOURCE_OVERLAY)) {
1839 /* Don't change the std from the mpeg device
1840 if overlay is active. */
1841 return -EBUSY;
1842 }
1843
1844 for (i = 0; i < TVNORMS; i++)
1845 if (*id == tvnorms[i].id)
1846 break;
1847
1848 if (i == TVNORMS)
1849 for (i = 0; i < TVNORMS; i++)
1850 if (*id & tvnorms[i].id)
1851 break;
1852 if (i == TVNORMS)
1853 return -EINVAL;
1854
1855 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1856 if (secam[0] == 'L' || secam[0] == 'l') {
1857 if (secam[1] == 'C' || secam[1] == 'c')
1858 fixup = V4L2_STD_SECAM_LC;
1859 else
1860 fixup = V4L2_STD_SECAM_L;
1861 } else {
1862 if (secam[0] == 'D' || secam[0] == 'd')
1863 fixup = V4L2_STD_SECAM_DK;
1864 else
1865 fixup = V4L2_STD_SECAM;
1866 }
1867 for (i = 0; i < TVNORMS; i++)
1868 if (fixup == tvnorms[i].id)
1869 break;
1870 }
1871
1872 *id = tvnorms[i].id;
1873
1874 mutex_lock(&dev->lock);
1875 if (fh && res_check(fh, RESOURCE_OVERLAY)) {
1876 spin_lock_irqsave(&dev->slock, flags);
1877 stop_preview(dev, fh);
1878 spin_unlock_irqrestore(&dev->slock, flags);
1879
1880 set_tvnorm(dev, &tvnorms[i]);
1881
1882 spin_lock_irqsave(&dev->slock, flags);
1883 start_preview(dev, fh);
1884 spin_unlock_irqrestore(&dev->slock, flags);
1885 } else
1886 set_tvnorm(dev, &tvnorms[i]);
1887
1888 saa7134_tvaudio_do_scan(dev);
1889 mutex_unlock(&dev->lock);
1890 return 0;
1891 }
1892 EXPORT_SYMBOL_GPL(saa7134_s_std_internal);
1893
1894 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id)
1895 {
1896 struct saa7134_fh *fh = priv;
1897
1898 return saa7134_s_std_internal(fh->dev, fh, id);
1899 }
1900
1901 static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1902 {
1903 struct saa7134_fh *fh = priv;
1904 struct saa7134_dev *dev = fh->dev;
1905
1906 *id = dev->tvnorm->id;
1907 return 0;
1908 }
1909
1910 static int saa7134_cropcap(struct file *file, void *priv,
1911 struct v4l2_cropcap *cap)
1912 {
1913 struct saa7134_fh *fh = priv;
1914 struct saa7134_dev *dev = fh->dev;
1915
1916 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1917 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1918 return -EINVAL;
1919 cap->bounds = dev->crop_bounds;
1920 cap->defrect = dev->crop_defrect;
1921 cap->pixelaspect.numerator = 1;
1922 cap->pixelaspect.denominator = 1;
1923 if (dev->tvnorm->id & V4L2_STD_525_60) {
1924 cap->pixelaspect.numerator = 11;
1925 cap->pixelaspect.denominator = 10;
1926 }
1927 if (dev->tvnorm->id & V4L2_STD_625_50) {
1928 cap->pixelaspect.numerator = 54;
1929 cap->pixelaspect.denominator = 59;
1930 }
1931 return 0;
1932 }
1933
1934 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1935 {
1936 struct saa7134_fh *fh = f;
1937 struct saa7134_dev *dev = fh->dev;
1938
1939 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1940 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1941 return -EINVAL;
1942 crop->c = dev->crop_current;
1943 return 0;
1944 }
1945
1946 static int saa7134_s_crop(struct file *file, void *f, struct v4l2_crop *crop)
1947 {
1948 struct saa7134_fh *fh = f;
1949 struct saa7134_dev *dev = fh->dev;
1950 struct v4l2_rect *b = &dev->crop_bounds;
1951
1952 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1953 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1954 return -EINVAL;
1955 if (crop->c.height < 0)
1956 return -EINVAL;
1957 if (crop->c.width < 0)
1958 return -EINVAL;
1959
1960 if (res_locked(fh->dev, RESOURCE_OVERLAY))
1961 return -EBUSY;
1962 if (res_locked(fh->dev, RESOURCE_VIDEO))
1963 return -EBUSY;
1964
1965 if (crop->c.top < b->top)
1966 crop->c.top = b->top;
1967 if (crop->c.top > b->top + b->height)
1968 crop->c.top = b->top + b->height;
1969 if (crop->c.height > b->top - crop->c.top + b->height)
1970 crop->c.height = b->top - crop->c.top + b->height;
1971
1972 if (crop->c.left < b->left)
1973 crop->c.left = b->left;
1974 if (crop->c.left > b->left + b->width)
1975 crop->c.left = b->left + b->width;
1976 if (crop->c.width > b->left - crop->c.left + b->width)
1977 crop->c.width = b->left - crop->c.left + b->width;
1978
1979 dev->crop_current = crop->c;
1980 return 0;
1981 }
1982
1983 static int saa7134_g_tuner(struct file *file, void *priv,
1984 struct v4l2_tuner *t)
1985 {
1986 struct saa7134_fh *fh = priv;
1987 struct saa7134_dev *dev = fh->dev;
1988 int n;
1989
1990 if (0 != t->index)
1991 return -EINVAL;
1992 memset(t, 0, sizeof(*t));
1993 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1994 if (card_in(dev, n).tv)
1995 break;
1996 if (NULL != card_in(dev, n).name) {
1997 strcpy(t->name, "Television");
1998 t->type = V4L2_TUNER_ANALOG_TV;
1999 t->capability = V4L2_TUNER_CAP_NORM |
2000 V4L2_TUNER_CAP_STEREO |
2001 V4L2_TUNER_CAP_LANG1 |
2002 V4L2_TUNER_CAP_LANG2;
2003 t->rangehigh = 0xffffffffUL;
2004 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
2005 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
2006 }
2007 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
2008 t->signal = 0xffff;
2009 return 0;
2010 }
2011
2012 static int saa7134_s_tuner(struct file *file, void *priv,
2013 struct v4l2_tuner *t)
2014 {
2015 struct saa7134_fh *fh = priv;
2016 struct saa7134_dev *dev = fh->dev;
2017 int rx, mode, err;
2018
2019 err = v4l2_prio_check(&dev->prio, &fh->prio);
2020 if (0 != err)
2021 return err;
2022
2023 mode = dev->thread.mode;
2024 if (UNSET == mode) {
2025 rx = saa7134_tvaudio_getstereo(dev);
2026 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
2027 }
2028 if (mode != t->audmode)
2029 dev->thread.mode = t->audmode;
2030
2031 return 0;
2032 }
2033
2034 static int saa7134_g_frequency(struct file *file, void *priv,
2035 struct v4l2_frequency *f)
2036 {
2037 struct saa7134_fh *fh = priv;
2038 struct saa7134_dev *dev = fh->dev;
2039
2040 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
2041 f->frequency = dev->ctl_freq;
2042
2043 return 0;
2044 }
2045
2046 static int saa7134_s_frequency(struct file *file, void *priv,
2047 struct v4l2_frequency *f)
2048 {
2049 struct saa7134_fh *fh = priv;
2050 struct saa7134_dev *dev = fh->dev;
2051 int err;
2052
2053 err = v4l2_prio_check(&dev->prio, &fh->prio);
2054 if (0 != err)
2055 return err;
2056
2057 if (0 != f->tuner)
2058 return -EINVAL;
2059 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
2060 return -EINVAL;
2061 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
2062 return -EINVAL;
2063 mutex_lock(&dev->lock);
2064 dev->ctl_freq = f->frequency;
2065
2066 saa_call_all(dev, tuner, s_frequency, f);
2067
2068 saa7134_tvaudio_do_scan(dev);
2069 mutex_unlock(&dev->lock);
2070 return 0;
2071 }
2072
2073 static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2074 {
2075 strcpy(a->name, "audio");
2076 return 0;
2077 }
2078
2079 static int saa7134_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
2080 {
2081 return 0;
2082 }
2083
2084 static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p)
2085 {
2086 struct saa7134_fh *fh = f;
2087 struct saa7134_dev *dev = fh->dev;
2088
2089 *p = v4l2_prio_max(&dev->prio);
2090 return 0;
2091 }
2092
2093 static int saa7134_s_priority(struct file *file, void *f,
2094 enum v4l2_priority prio)
2095 {
2096 struct saa7134_fh *fh = f;
2097 struct saa7134_dev *dev = fh->dev;
2098
2099 return v4l2_prio_change(&dev->prio, &fh->prio, prio);
2100 }
2101
2102 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
2103 struct v4l2_fmtdesc *f)
2104 {
2105 if (f->index >= FORMATS)
2106 return -EINVAL;
2107
2108 strlcpy(f->description, formats[f->index].name,
2109 sizeof(f->description));
2110
2111 f->pixelformat = formats[f->index].fourcc;
2112
2113 return 0;
2114 }
2115
2116 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
2117 struct v4l2_fmtdesc *f)
2118 {
2119 if (saa7134_no_overlay > 0) {
2120 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2121 return -EINVAL;
2122 }
2123
2124 if ((f->index >= FORMATS) || formats[f->index].planar)
2125 return -EINVAL;
2126
2127 strlcpy(f->description, formats[f->index].name,
2128 sizeof(f->description));
2129
2130 f->pixelformat = formats[f->index].fourcc;
2131
2132 return 0;
2133 }
2134
2135 static int saa7134_g_fbuf(struct file *file, void *f,
2136 struct v4l2_framebuffer *fb)
2137 {
2138 struct saa7134_fh *fh = f;
2139 struct saa7134_dev *dev = fh->dev;
2140
2141 *fb = dev->ovbuf;
2142 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2143
2144 return 0;
2145 }
2146
2147 static int saa7134_s_fbuf(struct file *file, void *f,
2148 struct v4l2_framebuffer *fb)
2149 {
2150 struct saa7134_fh *fh = f;
2151 struct saa7134_dev *dev = fh->dev;
2152 struct saa7134_format *fmt;
2153
2154 if (!capable(CAP_SYS_ADMIN) &&
2155 !capable(CAP_SYS_RAWIO))
2156 return -EPERM;
2157
2158 /* check args */
2159 fmt = format_by_fourcc(fb->fmt.pixelformat);
2160 if (NULL == fmt)
2161 return -EINVAL;
2162
2163 /* ok, accept it */
2164 dev->ovbuf = *fb;
2165 dev->ovfmt = fmt;
2166 if (0 == dev->ovbuf.fmt.bytesperline)
2167 dev->ovbuf.fmt.bytesperline =
2168 dev->ovbuf.fmt.width*fmt->depth/8;
2169 return 0;
2170 }
2171
2172 static int saa7134_overlay(struct file *file, void *f, unsigned int on)
2173 {
2174 struct saa7134_fh *fh = f;
2175 struct saa7134_dev *dev = fh->dev;
2176 unsigned long flags;
2177
2178 if (on) {
2179 if (saa7134_no_overlay > 0) {
2180 dprintk("no_overlay\n");
2181 return -EINVAL;
2182 }
2183
2184 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2185 return -EBUSY;
2186 spin_lock_irqsave(&dev->slock, flags);
2187 start_preview(dev, fh);
2188 spin_unlock_irqrestore(&dev->slock, flags);
2189 }
2190 if (!on) {
2191 if (!res_check(fh, RESOURCE_OVERLAY))
2192 return -EINVAL;
2193 spin_lock_irqsave(&dev->slock, flags);
2194 stop_preview(dev, fh);
2195 spin_unlock_irqrestore(&dev->slock, flags);
2196 res_free(dev, fh, RESOURCE_OVERLAY);
2197 }
2198 return 0;
2199 }
2200
2201 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2202 static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
2203 {
2204 struct saa7134_fh *fh = file->private_data;
2205 return videobuf_cgmbuf(saa7134_queue(fh), mbuf, 8);
2206 }
2207 #endif
2208
2209 static int saa7134_reqbufs(struct file *file, void *priv,
2210 struct v4l2_requestbuffers *p)
2211 {
2212 struct saa7134_fh *fh = priv;
2213 return videobuf_reqbufs(saa7134_queue(fh), p);
2214 }
2215
2216 static int saa7134_querybuf(struct file *file, void *priv,
2217 struct v4l2_buffer *b)
2218 {
2219 struct saa7134_fh *fh = priv;
2220 return videobuf_querybuf(saa7134_queue(fh), b);
2221 }
2222
2223 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2224 {
2225 struct saa7134_fh *fh = priv;
2226 return videobuf_qbuf(saa7134_queue(fh), b);
2227 }
2228
2229 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2230 {
2231 struct saa7134_fh *fh = priv;
2232 return videobuf_dqbuf(saa7134_queue(fh), b,
2233 file->f_flags & O_NONBLOCK);
2234 }
2235
2236 static int saa7134_streamon(struct file *file, void *priv,
2237 enum v4l2_buf_type type)
2238 {
2239 struct saa7134_fh *fh = priv;
2240 struct saa7134_dev *dev = fh->dev;
2241 int res = saa7134_resource(fh);
2242
2243 if (!res_get(dev, fh, res))
2244 return -EBUSY;
2245
2246 return videobuf_streamon(saa7134_queue(fh));
2247 }
2248
2249 static int saa7134_streamoff(struct file *file, void *priv,
2250 enum v4l2_buf_type type)
2251 {
2252 int err;
2253 struct saa7134_fh *fh = priv;
2254 struct saa7134_dev *dev = fh->dev;
2255 int res = saa7134_resource(fh);
2256
2257 err = videobuf_streamoff(saa7134_queue(fh));
2258 if (err < 0)
2259 return err;
2260 res_free(dev, fh, res);
2261 return 0;
2262 }
2263
2264 static int saa7134_g_parm(struct file *file, void *fh,
2265 struct v4l2_streamparm *parm)
2266 {
2267 return 0;
2268 }
2269
2270 #ifdef CONFIG_VIDEO_ADV_DEBUG
2271 static int vidioc_g_register (struct file *file, void *priv,
2272 struct v4l2_dbg_register *reg)
2273 {
2274 struct saa7134_fh *fh = priv;
2275 struct saa7134_dev *dev = fh->dev;
2276
2277 if (!v4l2_chip_match_host(&reg->match))
2278 return -EINVAL;
2279 reg->val = saa_readb(reg->reg);
2280 reg->size = 1;
2281 return 0;
2282 }
2283
2284 static int vidioc_s_register (struct file *file, void *priv,
2285 struct v4l2_dbg_register *reg)
2286 {
2287 struct saa7134_fh *fh = priv;
2288 struct saa7134_dev *dev = fh->dev;
2289
2290 if (!v4l2_chip_match_host(&reg->match))
2291 return -EINVAL;
2292 saa_writeb(reg->reg&0xffffff, reg->val);
2293 return 0;
2294 }
2295 #endif
2296
2297 static int radio_querycap(struct file *file, void *priv,
2298 struct v4l2_capability *cap)
2299 {
2300 struct saa7134_fh *fh = file->private_data;
2301 struct saa7134_dev *dev = fh->dev;
2302
2303 strcpy(cap->driver, "saa7134");
2304 strlcpy(cap->card, saa7134_boards[dev->board].name, sizeof(cap->card));
2305 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
2306 cap->version = SAA7134_VERSION_CODE;
2307 cap->capabilities = V4L2_CAP_TUNER;
2308 return 0;
2309 }
2310
2311 static int radio_g_tuner(struct file *file, void *priv,
2312 struct v4l2_tuner *t)
2313 {
2314 struct saa7134_fh *fh = file->private_data;
2315 struct saa7134_dev *dev = fh->dev;
2316
2317 if (0 != t->index)
2318 return -EINVAL;
2319
2320 memset(t, 0, sizeof(*t));
2321 strcpy(t->name, "Radio");
2322 t->type = V4L2_TUNER_RADIO;
2323
2324 saa_call_all(dev, tuner, g_tuner, t);
2325 if (dev->input->amux == TV) {
2326 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2327 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2328 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2329 }
2330 return 0;
2331 }
2332 static int radio_s_tuner(struct file *file, void *priv,
2333 struct v4l2_tuner *t)
2334 {
2335 struct saa7134_fh *fh = file->private_data;
2336 struct saa7134_dev *dev = fh->dev;
2337
2338 if (0 != t->index)
2339 return -EINVAL;
2340
2341 saa_call_all(dev, tuner, s_tuner, t);
2342 return 0;
2343 }
2344
2345 static int radio_enum_input(struct file *file, void *priv,
2346 struct v4l2_input *i)
2347 {
2348 if (i->index != 0)
2349 return -EINVAL;
2350
2351 strcpy(i->name, "Radio");
2352 i->type = V4L2_INPUT_TYPE_TUNER;
2353
2354 return 0;
2355 }
2356
2357 static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2358 {
2359 *i = 0;
2360 return 0;
2361 }
2362
2363 static int radio_g_audio(struct file *file, void *priv,
2364 struct v4l2_audio *a)
2365 {
2366 memset(a, 0, sizeof(*a));
2367 strcpy(a->name, "Radio");
2368 return 0;
2369 }
2370
2371 static int radio_s_audio(struct file *file, void *priv,
2372 struct v4l2_audio *a)
2373 {
2374 return 0;
2375 }
2376
2377 static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2378 {
2379 return 0;
2380 }
2381
2382 static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm)
2383 {
2384 return 0;
2385 }
2386
2387 static int radio_queryctrl(struct file *file, void *priv,
2388 struct v4l2_queryctrl *c)
2389 {
2390 const struct v4l2_queryctrl *ctrl;
2391
2392 if (c->id < V4L2_CID_BASE ||
2393 c->id >= V4L2_CID_LASTP1)
2394 return -EINVAL;
2395 if (c->id == V4L2_CID_AUDIO_MUTE) {
2396 ctrl = ctrl_by_id(c->id);
2397 *c = *ctrl;
2398 } else
2399 *c = no_ctrl;
2400 return 0;
2401 }
2402
2403 static const struct v4l2_file_operations video_fops =
2404 {
2405 .owner = THIS_MODULE,
2406 .open = video_open,
2407 .release = video_release,
2408 .read = video_read,
2409 .poll = video_poll,
2410 .mmap = video_mmap,
2411 .ioctl = video_ioctl2,
2412 };
2413
2414 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2415 .vidioc_querycap = saa7134_querycap,
2416 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap,
2417 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
2418 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
2419 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
2420 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay,
2421 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay,
2422 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay,
2423 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay,
2424 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2425 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2426 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2427 .vidioc_g_audio = saa7134_g_audio,
2428 .vidioc_s_audio = saa7134_s_audio,
2429 .vidioc_cropcap = saa7134_cropcap,
2430 .vidioc_reqbufs = saa7134_reqbufs,
2431 .vidioc_querybuf = saa7134_querybuf,
2432 .vidioc_qbuf = saa7134_qbuf,
2433 .vidioc_dqbuf = saa7134_dqbuf,
2434 .vidioc_s_std = saa7134_s_std,
2435 .vidioc_g_std = saa7134_g_std,
2436 .vidioc_enum_input = saa7134_enum_input,
2437 .vidioc_g_input = saa7134_g_input,
2438 .vidioc_s_input = saa7134_s_input,
2439 .vidioc_queryctrl = saa7134_queryctrl,
2440 .vidioc_g_ctrl = saa7134_g_ctrl,
2441 .vidioc_s_ctrl = saa7134_s_ctrl,
2442 .vidioc_streamon = saa7134_streamon,
2443 .vidioc_streamoff = saa7134_streamoff,
2444 .vidioc_g_tuner = saa7134_g_tuner,
2445 .vidioc_s_tuner = saa7134_s_tuner,
2446 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2447 .vidiocgmbuf = vidiocgmbuf,
2448 #endif
2449 .vidioc_g_crop = saa7134_g_crop,
2450 .vidioc_s_crop = saa7134_s_crop,
2451 .vidioc_g_fbuf = saa7134_g_fbuf,
2452 .vidioc_s_fbuf = saa7134_s_fbuf,
2453 .vidioc_overlay = saa7134_overlay,
2454 .vidioc_g_priority = saa7134_g_priority,
2455 .vidioc_s_priority = saa7134_s_priority,
2456 .vidioc_g_parm = saa7134_g_parm,
2457 .vidioc_g_frequency = saa7134_g_frequency,
2458 .vidioc_s_frequency = saa7134_s_frequency,
2459 #ifdef CONFIG_VIDEO_ADV_DEBUG
2460 .vidioc_g_register = vidioc_g_register,
2461 .vidioc_s_register = vidioc_s_register,
2462 #endif
2463 };
2464
2465 static const struct v4l2_file_operations radio_fops = {
2466 .owner = THIS_MODULE,
2467 .open = video_open,
2468 .read = radio_read,
2469 .release = video_release,
2470 .ioctl = video_ioctl2,
2471 .poll = radio_poll,
2472 };
2473
2474 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2475 .vidioc_querycap = radio_querycap,
2476 .vidioc_g_tuner = radio_g_tuner,
2477 .vidioc_enum_input = radio_enum_input,
2478 .vidioc_g_audio = radio_g_audio,
2479 .vidioc_s_tuner = radio_s_tuner,
2480 .vidioc_s_audio = radio_s_audio,
2481 .vidioc_s_input = radio_s_input,
2482 .vidioc_s_std = radio_s_std,
2483 .vidioc_queryctrl = radio_queryctrl,
2484 .vidioc_g_input = radio_g_input,
2485 .vidioc_g_ctrl = saa7134_g_ctrl,
2486 .vidioc_s_ctrl = saa7134_s_ctrl,
2487 .vidioc_g_frequency = saa7134_g_frequency,
2488 .vidioc_s_frequency = saa7134_s_frequency,
2489 };
2490
2491 /* ----------------------------------------------------------- */
2492 /* exported stuff */
2493
2494 struct video_device saa7134_video_template = {
2495 .name = "saa7134-video",
2496 .fops = &video_fops,
2497 .ioctl_ops = &video_ioctl_ops,
2498 .tvnorms = SAA7134_NORMS,
2499 .current_norm = V4L2_STD_PAL,
2500 };
2501
2502 struct video_device saa7134_radio_template = {
2503 .name = "saa7134-radio",
2504 .fops = &radio_fops,
2505 .ioctl_ops = &radio_ioctl_ops,
2506 };
2507
2508 int saa7134_video_init1(struct saa7134_dev *dev)
2509 {
2510 /* sanitycheck insmod options */
2511 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2512 gbuffers = 2;
2513 if (gbufsize < 0 || gbufsize > gbufsize_max)
2514 gbufsize = gbufsize_max;
2515 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2516
2517 /* put some sensible defaults into the data structures ... */
2518 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2519 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2520 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2521 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2522 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2523 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2524 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2525 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2526
2527 if (dev->tda9887_conf && dev->ctl_automute)
2528 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2529 dev->automute = 0;
2530
2531 INIT_LIST_HEAD(&dev->video_q.queue);
2532 init_timer(&dev->video_q.timeout);
2533 dev->video_q.timeout.function = saa7134_buffer_timeout;
2534 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2535 dev->video_q.dev = dev;
2536
2537 if (saa7134_boards[dev->board].video_out)
2538 saa7134_videoport_init(dev);
2539
2540 return 0;
2541 }
2542
2543 int saa7134_videoport_init(struct saa7134_dev *dev)
2544 {
2545 /* enable video output */
2546 int vo = saa7134_boards[dev->board].video_out;
2547 int video_reg;
2548 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2549
2550 /* Configure videoport */
2551 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2552 video_reg = video_out[vo][1];
2553 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2554 video_reg &= ~VP_T_CODE_P_INVERTED;
2555 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2556 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2557 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2558 video_reg = video_out[vo][5];
2559 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2560 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2561 if (vid_port_opts & SET_CLOCK_INVERTED)
2562 video_reg |= VP_CLK_CTRL1_INVERTED;
2563 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2564 video_reg = video_out[vo][6];
2565 if (vid_port_opts & SET_VSYNC_OFF) {
2566 video_reg &= ~VP_VS_TYPE_MASK;
2567 video_reg |= VP_VS_TYPE_OFF;
2568 }
2569 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2570 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2571 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2572
2573 /* Start videoport */
2574 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2575
2576 return 0;
2577 }
2578
2579 int saa7134_video_init2(struct saa7134_dev *dev)
2580 {
2581 /* init video hw */
2582 set_tvnorm(dev,&tvnorms[0]);
2583 video_mux(dev,0);
2584 saa7134_tvaudio_setmute(dev);
2585 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2586 return 0;
2587 }
2588
2589 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2590 {
2591 static const char *st[] = {
2592 "(no signal)", "NTSC", "PAL", "SECAM" };
2593 u32 st1,st2;
2594
2595 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2596 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2597 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2598 (st1 & 0x40) ? "not locked" : "locked",
2599 (st2 & 0x40) ? "no" : "yes",
2600 st[st1 & 0x03]);
2601 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2602
2603 if (dev->nosignal) {
2604 /* no video signal -> mute audio */
2605 if (dev->ctl_automute)
2606 dev->automute = 1;
2607 saa7134_tvaudio_setmute(dev);
2608 } else {
2609 /* wake up tvaudio audio carrier scan thread */
2610 saa7134_tvaudio_do_scan(dev);
2611 }
2612
2613 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2614 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2615 else
2616 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2617
2618 if (dev->mops && dev->mops->signal_change)
2619 dev->mops->signal_change(dev);
2620 }
2621
2622
2623 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2624 {
2625 enum v4l2_field field;
2626
2627 spin_lock(&dev->slock);
2628 if (dev->video_q.curr) {
2629 dev->video_fieldcount++;
2630 field = dev->video_q.curr->vb.field;
2631 if (V4L2_FIELD_HAS_BOTH(field)) {
2632 /* make sure we have seen both fields */
2633 if ((status & 0x10) == 0x00) {
2634 dev->video_q.curr->top_seen = 1;
2635 goto done;
2636 }
2637 if (!dev->video_q.curr->top_seen)
2638 goto done;
2639 } else if (field == V4L2_FIELD_TOP) {
2640 if ((status & 0x10) != 0x10)
2641 goto done;
2642 } else if (field == V4L2_FIELD_BOTTOM) {
2643 if ((status & 0x10) != 0x00)
2644 goto done;
2645 }
2646 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2647 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2648 }
2649 saa7134_buffer_next(dev,&dev->video_q);
2650
2651 done:
2652 spin_unlock(&dev->slock);
2653 }
2654
2655 /* ----------------------------------------------------------- */
2656 /*
2657 * Local variables:
2658 * c-basic-offset: 8
2659 * End:
2660 */