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[PATCH] W1: w1_netlink: New init/fini netlink callbacks.
[linux-2.6/verdex.git] / drivers / media / video / saa7134 / saa7134-video.c
bloba4c2f751d097976fe9448d0f6774ff94de06672b
1 /*
2 * $Id: saa7134-video.c,v 1.36 2005/06/28 23:41:47 mkrufky Exp $
3 *
4 * device driver for philips saa7134 based TV cards
5 * video4linux video interface
6 *
7 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23
24 #include <linux/init.h>
25 #include <linux/list.h>
26 #include <linux/module.h>
27 #include <linux/moduleparam.h>
28 #include <linux/kernel.h>
29 #include <linux/slab.h>
30
31 #include "saa7134-reg.h"
32 #include "saa7134.h"
33
34 /* ------------------------------------------------------------------ */
35
36 static unsigned int video_debug = 0;
37 static unsigned int gbuffers = 8;
38 static unsigned int noninterlaced = 0;
39 static unsigned int gbufsize = 720*576*4;
40 static unsigned int gbufsize_max = 720*576*4;
41 module_param(video_debug, int, 0644);
42 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
43 module_param(gbuffers, int, 0444);
44 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
45 module_param(noninterlaced, int, 0644);
46 MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced");
47
48 #define dprintk(fmt, arg...) if (video_debug) \
49 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
50
51 /* ------------------------------------------------------------------ */
52 /* data structs for video */
53
54 static int video_out[][9] = {
55 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
56 };
57
58 static struct saa7134_format formats[] = {
59 {
60 .name = "8 bpp gray",
61 .fourcc = V4L2_PIX_FMT_GREY,
62 .depth = 8,
63 .pm = 0x06,
64 },{
65 .name = "15 bpp RGB, le",
66 .fourcc = V4L2_PIX_FMT_RGB555,
67 .depth = 16,
68 .pm = 0x13 | 0x80,
69 },{
70 .name = "15 bpp RGB, be",
71 .fourcc = V4L2_PIX_FMT_RGB555X,
72 .depth = 16,
73 .pm = 0x13 | 0x80,
74 .bswap = 1,
75 },{
76 .name = "16 bpp RGB, le",
77 .fourcc = V4L2_PIX_FMT_RGB565,
78 .depth = 16,
79 .pm = 0x10 | 0x80,
80 },{
81 .name = "16 bpp RGB, be",
82 .fourcc = V4L2_PIX_FMT_RGB565X,
83 .depth = 16,
84 .pm = 0x10 | 0x80,
85 .bswap = 1,
86 },{
87 .name = "24 bpp RGB, le",
88 .fourcc = V4L2_PIX_FMT_BGR24,
89 .depth = 24,
90 .pm = 0x11,
91 },{
92 .name = "24 bpp RGB, be",
93 .fourcc = V4L2_PIX_FMT_RGB24,
94 .depth = 24,
95 .pm = 0x11,
96 .bswap = 1,
97 },{
98 .name = "32 bpp RGB, le",
99 .fourcc = V4L2_PIX_FMT_BGR32,
100 .depth = 32,
101 .pm = 0x12,
102 },{
103 .name = "32 bpp RGB, be",
104 .fourcc = V4L2_PIX_FMT_RGB32,
105 .depth = 32,
106 .pm = 0x12,
107 .bswap = 1,
108 .wswap = 1,
109 },{
110 .name = "4:2:2 packed, YUYV",
111 .fourcc = V4L2_PIX_FMT_YUYV,
112 .depth = 16,
113 .pm = 0x00,
114 .bswap = 1,
115 .yuv = 1,
116 },{
117 .name = "4:2:2 packed, UYVY",
118 .fourcc = V4L2_PIX_FMT_UYVY,
119 .depth = 16,
120 .pm = 0x00,
121 .yuv = 1,
122 },{
123 .name = "4:2:2 planar, Y-Cb-Cr",
124 .fourcc = V4L2_PIX_FMT_YUV422P,
125 .depth = 16,
126 .pm = 0x09,
127 .yuv = 1,
128 .planar = 1,
129 .hshift = 1,
130 .vshift = 0,
131 },{
132 .name = "4:2:0 planar, Y-Cb-Cr",
133 .fourcc = V4L2_PIX_FMT_YUV420,
134 .depth = 12,
135 .pm = 0x0a,
136 .yuv = 1,
137 .planar = 1,
138 .hshift = 1,
139 .vshift = 1,
140 },{
141 .name = "4:2:0 planar, Y-Cb-Cr",
142 .fourcc = V4L2_PIX_FMT_YVU420,
143 .depth = 12,
144 .pm = 0x0a,
145 .yuv = 1,
146 .planar = 1,
147 .uvswap = 1,
148 .hshift = 1,
149 .vshift = 1,
150 }
151 };
152 #define FORMATS ARRAY_SIZE(formats)
153
154 #define NORM_625_50 \
155 .h_start = 0, \
156 .h_stop = 719, \
157 .video_v_start = 24, \
158 .video_v_stop = 311, \
159 .vbi_v_start_0 = 7, \
160 .vbi_v_stop_0 = 22, \
161 .vbi_v_start_1 = 319, \
162 .src_timing = 4
163
164 #define NORM_525_60 \
165 .h_start = 0, \
166 .h_stop = 703, \
167 .video_v_start = 23, \
168 .video_v_stop = 262, \
169 .vbi_v_start_0 = 10, \
170 .vbi_v_stop_0 = 21, \
171 .vbi_v_start_1 = 273, \
172 .src_timing = 7
173
174 static struct saa7134_tvnorm tvnorms[] = {
175 {
176 .name = "PAL", /* autodetect */
177 .id = V4L2_STD_PAL,
178 NORM_625_50,
179
180 .sync_control = 0x18,
181 .luma_control = 0x40,
182 .chroma_ctrl1 = 0x81,
183 .chroma_gain = 0x2a,
184 .chroma_ctrl2 = 0x06,
185 .vgate_misc = 0x1c,
186
187 },{
188 .name = "PAL-BG",
189 .id = V4L2_STD_PAL_BG,
190 NORM_625_50,
191
192 .sync_control = 0x18,
193 .luma_control = 0x40,
194 .chroma_ctrl1 = 0x81,
195 .chroma_gain = 0x2a,
196 .chroma_ctrl2 = 0x06,
197 .vgate_misc = 0x1c,
198
199 },{
200 .name = "PAL-I",
201 .id = V4L2_STD_PAL_I,
202 NORM_625_50,
203
204 .sync_control = 0x18,
205 .luma_control = 0x40,
206 .chroma_ctrl1 = 0x81,
207 .chroma_gain = 0x2a,
208 .chroma_ctrl2 = 0x06,
209 .vgate_misc = 0x1c,
210
211 },{
212 .name = "PAL-DK",
213 .id = V4L2_STD_PAL_DK,
214 NORM_625_50,
215
216 .sync_control = 0x18,
217 .luma_control = 0x40,
218 .chroma_ctrl1 = 0x81,
219 .chroma_gain = 0x2a,
220 .chroma_ctrl2 = 0x06,
221 .vgate_misc = 0x1c,
222
223 },{
224 .name = "NTSC",
225 .id = V4L2_STD_NTSC,
226 NORM_525_60,
227
228 .sync_control = 0x59,
229 .luma_control = 0x40,
230 .chroma_ctrl1 = 0x89,
231 .chroma_gain = 0x2a,
232 .chroma_ctrl2 = 0x0e,
233 .vgate_misc = 0x18,
234
235 },{
236 .name = "SECAM",
237 .id = V4L2_STD_SECAM,
238 NORM_625_50,
239
240 .sync_control = 0x18, /* old: 0x58, */
241 .luma_control = 0x1b,
242 .chroma_ctrl1 = 0xd1,
243 .chroma_gain = 0x80,
244 .chroma_ctrl2 = 0x00,
245 .vgate_misc = 0x1c,
246
247 },{
248 .name = "PAL-M",
249 .id = V4L2_STD_PAL_M,
250 NORM_525_60,
251
252 .sync_control = 0x59,
253 .luma_control = 0x40,
254 .chroma_ctrl1 = 0xb9,
255 .chroma_gain = 0x2a,
256 .chroma_ctrl2 = 0x0e,
257 .vgate_misc = 0x18,
258
259 },{
260 .name = "PAL-Nc",
261 .id = V4L2_STD_PAL_Nc,
262 NORM_625_50,
263
264 .sync_control = 0x18,
265 .luma_control = 0x40,
266 .chroma_ctrl1 = 0xa1,
267 .chroma_gain = 0x2a,
268 .chroma_ctrl2 = 0x06,
269 .vgate_misc = 0x1c,
270
271 },{
272 .name = "PAL-60",
273 .id = V4L2_STD_PAL_60,
274
275 .h_start = 0,
276 .h_stop = 719,
277 .video_v_start = 23,
278 .video_v_stop = 262,
279 .vbi_v_start_0 = 10,
280 .vbi_v_stop_0 = 21,
281 .vbi_v_start_1 = 273,
282 .src_timing = 7,
283
284 .sync_control = 0x18,
285 .luma_control = 0x40,
286 .chroma_ctrl1 = 0x81,
287 .chroma_gain = 0x2a,
288 .chroma_ctrl2 = 0x06,
289 .vgate_misc = 0x1c,
290 }
291 };
292 #define TVNORMS ARRAY_SIZE(tvnorms)
293
294 #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
295 #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
296 #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
297 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
298 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
299
300 static const struct v4l2_queryctrl no_ctrl = {
301 .name = "42",
302 .flags = V4L2_CTRL_FLAG_DISABLED,
303 };
304 static const struct v4l2_queryctrl video_ctrls[] = {
305 /* --- video --- */
306 {
307 .id = V4L2_CID_BRIGHTNESS,
308 .name = "Brightness",
309 .minimum = 0,
310 .maximum = 255,
311 .step = 1,
312 .default_value = 128,
313 .type = V4L2_CTRL_TYPE_INTEGER,
314 },{
315 .id = V4L2_CID_CONTRAST,
316 .name = "Contrast",
317 .minimum = 0,
318 .maximum = 127,
319 .step = 1,
320 .default_value = 68,
321 .type = V4L2_CTRL_TYPE_INTEGER,
322 },{
323 .id = V4L2_CID_SATURATION,
324 .name = "Saturation",
325 .minimum = 0,
326 .maximum = 127,
327 .step = 1,
328 .default_value = 64,
329 .type = V4L2_CTRL_TYPE_INTEGER,
330 },{
331 .id = V4L2_CID_HUE,
332 .name = "Hue",
333 .minimum = -128,
334 .maximum = 127,
335 .step = 1,
336 .default_value = 0,
337 .type = V4L2_CTRL_TYPE_INTEGER,
338 },{
339 .id = V4L2_CID_HFLIP,
340 .name = "Mirror",
341 .minimum = 0,
342 .maximum = 1,
343 .type = V4L2_CTRL_TYPE_BOOLEAN,
344 },
345 /* --- audio --- */
346 {
347 .id = V4L2_CID_AUDIO_MUTE,
348 .name = "Mute",
349 .minimum = 0,
350 .maximum = 1,
351 .type = V4L2_CTRL_TYPE_BOOLEAN,
352 },{
353 .id = V4L2_CID_AUDIO_VOLUME,
354 .name = "Volume",
355 .minimum = -15,
356 .maximum = 15,
357 .step = 1,
358 .default_value = 0,
359 .type = V4L2_CTRL_TYPE_INTEGER,
360 },
361 /* --- private --- */
362 {
363 .id = V4L2_CID_PRIVATE_INVERT,
364 .name = "Invert",
365 .minimum = 0,
366 .maximum = 1,
367 .type = V4L2_CTRL_TYPE_BOOLEAN,
368 },{
369 .id = V4L2_CID_PRIVATE_Y_ODD,
370 .name = "y offset odd field",
371 .minimum = 0,
372 .maximum = 128,
373 .default_value = 0,
374 .type = V4L2_CTRL_TYPE_INTEGER,
375 },{
376 .id = V4L2_CID_PRIVATE_Y_EVEN,
377 .name = "y offset even field",
378 .minimum = 0,
379 .maximum = 128,
380 .default_value = 0,
381 .type = V4L2_CTRL_TYPE_INTEGER,
382 },{
383 .id = V4L2_CID_PRIVATE_AUTOMUTE,
384 .name = "automute",
385 .minimum = 0,
386 .maximum = 1,
387 .default_value = 1,
388 .type = V4L2_CTRL_TYPE_BOOLEAN,
389 }
390 };
391 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
392
393 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
394 {
395 unsigned int i;
396
397 for (i = 0; i < CTRLS; i++)
398 if (video_ctrls[i].id == id)
399 return video_ctrls+i;
400 return NULL;
401 }
402
403 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
404 {
405 unsigned int i;
406
407 for (i = 0; i < FORMATS; i++)
408 if (formats[i].fourcc == fourcc)
409 return formats+i;
410 return NULL;
411 }
412
413 /* ----------------------------------------------------------------------- */
414 /* resource management */
415
416 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
417 {
418 if (fh->resources & bit)
419 /* have it already allocated */
420 return 1;
421
422 /* is it free? */
423 down(&dev->lock);
424 if (dev->resources & bit) {
425 /* no, someone else uses it */
426 up(&dev->lock);
427 return 0;
428 }
429 /* it's free, grab it */
430 fh->resources |= bit;
431 dev->resources |= bit;
432 dprintk("res: get %d\n",bit);
433 up(&dev->lock);
434 return 1;
435 }
436
437 static
438 int res_check(struct saa7134_fh *fh, unsigned int bit)
439 {
440 return (fh->resources & bit);
441 }
442
443 static
444 int res_locked(struct saa7134_dev *dev, unsigned int bit)
445 {
446 return (dev->resources & bit);
447 }
448
449 static
450 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
451 {
452 if ((fh->resources & bits) != bits)
453 BUG();
454
455 down(&dev->lock);
456 fh->resources &= ~bits;
457 dev->resources &= ~bits;
458 dprintk("res: put %d\n",bits);
459 up(&dev->lock);
460 }
461
462 /* ------------------------------------------------------------------ */
463
464 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
465 {
466 int luma_control,sync_control,mux;
467
468 dprintk("set tv norm = %s\n",norm->name);
469 dev->tvnorm = norm;
470
471 mux = card_in(dev,dev->ctl_input).vmux;
472 luma_control = norm->luma_control;
473 sync_control = norm->sync_control;
474
475 if (mux > 5)
476 luma_control |= 0x80; /* svideo */
477 if (noninterlaced || dev->nosignal)
478 sync_control |= 0x20;
479
480 /* setup cropping */
481 dev->crop_bounds.left = norm->h_start;
482 dev->crop_defrect.left = norm->h_start;
483 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
484 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
485
486 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
487 dev->crop_defrect.top = norm->video_v_start*2;
488 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
489 - dev->crop_bounds.top;
490 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
491
492 dev->crop_current = dev->crop_defrect;
493
494 /* setup video decoder */
495 saa_writeb(SAA7134_INCR_DELAY, 0x08);
496 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
497 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
498
499 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
500 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
501 saa_writeb(SAA7134_HSYNC_START, 0xeb);
502 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
503 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
504
505 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
506 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
507 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
508 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, dev->ctl_contrast);
509
510 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
511 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
512 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
513 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
514
515 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
516 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
517
518 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
519 saa_writeb(SAA7134_VGATE_START, 0x11);
520 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
521 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
522 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
523 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
524
525 saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
526 }
527
528 static void video_mux(struct saa7134_dev *dev, int input)
529 {
530 dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
531 dev->ctl_input = input;
532 set_tvnorm(dev,dev->tvnorm);
533 saa7134_tvaudio_setinput(dev,&card_in(dev,input));
534 }
535
536 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
537 {
538 static const struct {
539 int xpsc;
540 int xacl;
541 int xc2_1;
542 int xdcg;
543 int vpfy;
544 } vals[] = {
545 /* XPSC XACL XC2_1 XDCG VPFY */
546 { 1, 0, 0, 0, 0 },
547 { 2, 2, 1, 2, 2 },
548 { 3, 4, 1, 3, 2 },
549 { 4, 8, 1, 4, 2 },
550 { 5, 8, 1, 4, 2 },
551 { 6, 8, 1, 4, 3 },
552 { 7, 8, 1, 4, 3 },
553 { 8, 15, 0, 4, 3 },
554 { 9, 15, 0, 4, 3 },
555 { 10, 16, 1, 5, 3 },
556 };
557 static const int count = ARRAY_SIZE(vals);
558 int i;
559
560 for (i = 0; i < count; i++)
561 if (vals[i].xpsc == prescale)
562 break;
563 if (i == count)
564 return;
565
566 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
567 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
568 saa_writeb(SAA7134_LEVEL_CTRL(task),
569 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
570 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
571 (vals[i].vpfy << 2) | vals[i].vpfy);
572 }
573
574 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
575 {
576 int val,mirror;
577
578 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
579 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
580
581 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
582 if (yscale < 2048) {
583 /* LPI */
584 dprintk("yscale LPI yscale=%d\n",yscale);
585 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
586 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
587 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
588 } else {
589 /* ACM */
590 val = 0x40 * 1024 / yscale;
591 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
592 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
593 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
594 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
595 }
596 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
597 }
598
599 static void set_size(struct saa7134_dev *dev, int task,
600 int width, int height, int interlace)
601 {
602 int prescale,xscale,yscale,y_even,y_odd;
603 int h_start, h_stop, v_start, v_stop;
604 int div = interlace ? 2 : 1;
605
606 /* setup video scaler */
607 h_start = dev->crop_current.left;
608 v_start = dev->crop_current.top/2;
609 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
610 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
611
612 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
613 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
614 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
615 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
616 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
617 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
618 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
619 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
620
621 prescale = dev->crop_current.width / width;
622 if (0 == prescale)
623 prescale = 1;
624 xscale = 1024 * dev->crop_current.width / prescale / width;
625 yscale = 512 * div * dev->crop_current.height / height;
626 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
627 set_h_prescale(dev,task,prescale);
628 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
629 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
630 set_v_scale(dev,task,yscale);
631
632 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
633 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
634 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
635 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
636
637 /* deinterlace y offsets */
638 y_odd = dev->ctl_y_odd;
639 y_even = dev->ctl_y_even;
640 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
641 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
642 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
643 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
644 }
645
646 /* ------------------------------------------------------------------ */
647
648 struct cliplist {
649 __u16 position;
650 __u8 enable;
651 __u8 disable;
652 };
653
654 static void sort_cliplist(struct cliplist *cl, int entries)
655 {
656 struct cliplist swap;
657 int i,j,n;
658
659 for (i = entries-2; i >= 0; i--) {
660 for (n = 0, j = 0; j <= i; j++) {
661 if (cl[j].position > cl[j+1].position) {
662 swap = cl[j];
663 cl[j] = cl[j+1];
664 cl[j+1] = swap;
665 n++;
666 }
667 }
668 if (0 == n)
669 break;
670 }
671 }
672
673 static void set_cliplist(struct saa7134_dev *dev, int reg,
674 struct cliplist *cl, int entries, char *name)
675 {
676 __u8 winbits = 0;
677 int i;
678
679 for (i = 0; i < entries; i++) {
680 winbits |= cl[i].enable;
681 winbits &= ~cl[i].disable;
682 if (i < 15 && cl[i].position == cl[i+1].position)
683 continue;
684 saa_writeb(reg + 0, winbits);
685 saa_writeb(reg + 2, cl[i].position & 0xff);
686 saa_writeb(reg + 3, cl[i].position >> 8);
687 dprintk("clip: %s winbits=%02x pos=%d\n",
688 name,winbits,cl[i].position);
689 reg += 8;
690 }
691 for (; reg < 0x400; reg += 8) {
692 saa_writeb(reg+ 0, 0);
693 saa_writeb(reg + 1, 0);
694 saa_writeb(reg + 2, 0);
695 saa_writeb(reg + 3, 0);
696 }
697 }
698
699 static int clip_range(int val)
700 {
701 if (val < 0)
702 val = 0;
703 return val;
704 }
705
706 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
707 int nclips, int interlace)
708 {
709 struct cliplist col[16], row[16];
710 int cols, rows, i;
711 int div = interlace ? 2 : 1;
712
713 memset(col,0,sizeof(col)); cols = 0;
714 memset(row,0,sizeof(row)); rows = 0;
715 for (i = 0; i < nclips && i < 8; i++) {
716 col[cols].position = clip_range(clips[i].c.left);
717 col[cols].enable = (1 << i);
718 cols++;
719 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
720 col[cols].disable = (1 << i);
721 cols++;
722 row[rows].position = clip_range(clips[i].c.top / div);
723 row[rows].enable = (1 << i);
724 rows++;
725 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
726 / div);
727 row[rows].disable = (1 << i);
728 rows++;
729 }
730 sort_cliplist(col,cols);
731 sort_cliplist(row,rows);
732 set_cliplist(dev,0x380,col,cols,"cols");
733 set_cliplist(dev,0x384,row,rows,"rows");
734 return 0;
735 }
736
737 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
738 {
739 enum v4l2_field field;
740 int maxw, maxh;
741
742 if (NULL == dev->ovbuf.base)
743 return -EINVAL;
744 if (NULL == dev->ovfmt)
745 return -EINVAL;
746 if (win->w.width < 48 || win->w.height < 32)
747 return -EINVAL;
748 if (win->clipcount > 2048)
749 return -EINVAL;
750
751 field = win->field;
752 maxw = dev->crop_current.width;
753 maxh = dev->crop_current.height;
754
755 if (V4L2_FIELD_ANY == field) {
756 field = (win->w.height > maxh/2)
757 ? V4L2_FIELD_INTERLACED
758 : V4L2_FIELD_TOP;
759 }
760 switch (field) {
761 case V4L2_FIELD_TOP:
762 case V4L2_FIELD_BOTTOM:
763 maxh = maxh / 2;
764 break;
765 case V4L2_FIELD_INTERLACED:
766 break;
767 default:
768 return -EINVAL;
769 }
770
771 win->field = field;
772 if (win->w.width > maxw)
773 win->w.width = maxw;
774 if (win->w.height > maxh)
775 win->w.height = maxh;
776 return 0;
777 }
778
779 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
780 {
781 unsigned long base,control,bpl;
782 int err;
783
784 err = verify_preview(dev,&fh->win);
785 if (0 != err)
786 return err;
787
788 dev->ovfield = fh->win.field;
789 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
790 fh->win.w.width,fh->win.w.height,
791 fh->win.w.left,fh->win.w.top,
792 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
793
794 /* setup window + clipping */
795 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
796 V4L2_FIELD_HAS_BOTH(dev->ovfield));
797 setup_clipping(dev,fh->clips,fh->nclips,
798 V4L2_FIELD_HAS_BOTH(dev->ovfield));
799 if (dev->ovfmt->yuv)
800 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
801 else
802 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
803 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
804
805 /* dma: setup channel 1 (= Video Task B) */
806 base = (unsigned long)dev->ovbuf.base;
807 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
808 base += dev->ovfmt->depth/8 * fh->win.w.left;
809 bpl = dev->ovbuf.fmt.bytesperline;
810 control = SAA7134_RS_CONTROL_BURST_16;
811 if (dev->ovfmt->bswap)
812 control |= SAA7134_RS_CONTROL_BSWAP;
813 if (dev->ovfmt->wswap)
814 control |= SAA7134_RS_CONTROL_WSWAP;
815 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
816 saa_writel(SAA7134_RS_BA1(1),base);
817 saa_writel(SAA7134_RS_BA2(1),base+bpl);
818 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
819 saa_writel(SAA7134_RS_CONTROL(1),control);
820 } else {
821 saa_writel(SAA7134_RS_BA1(1),base);
822 saa_writel(SAA7134_RS_BA2(1),base);
823 saa_writel(SAA7134_RS_PITCH(1),bpl);
824 saa_writel(SAA7134_RS_CONTROL(1),control);
825 }
826
827 /* start dma */
828 dev->ovenable = 1;
829 saa7134_set_dmabits(dev);
830
831 return 0;
832 }
833
834 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
835 {
836 dev->ovenable = 0;
837 saa7134_set_dmabits(dev);
838 return 0;
839 }
840
841 /* ------------------------------------------------------------------ */
842
843 static int buffer_activate(struct saa7134_dev *dev,
844 struct saa7134_buf *buf,
845 struct saa7134_buf *next)
846 {
847 unsigned long base,control,bpl;
848 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
849
850 dprintk("buffer_activate buf=%p\n",buf);
851 buf->vb.state = STATE_ACTIVE;
852 buf->top_seen = 0;
853
854 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
855 V4L2_FIELD_HAS_BOTH(buf->vb.field));
856 if (buf->fmt->yuv)
857 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
858 else
859 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
860 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
861
862 /* DMA: setup channel 0 (= Video Task A0) */
863 base = saa7134_buffer_base(buf);
864 if (buf->fmt->planar)
865 bpl = buf->vb.width;
866 else
867 bpl = (buf->vb.width * buf->fmt->depth) / 8;
868 control = SAA7134_RS_CONTROL_BURST_16 |
869 SAA7134_RS_CONTROL_ME |
870 (buf->pt->dma >> 12);
871 if (buf->fmt->bswap)
872 control |= SAA7134_RS_CONTROL_BSWAP;
873 if (buf->fmt->wswap)
874 control |= SAA7134_RS_CONTROL_WSWAP;
875 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
876 /* interlaced */
877 saa_writel(SAA7134_RS_BA1(0),base);
878 saa_writel(SAA7134_RS_BA2(0),base+bpl);
879 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
880 } else {
881 /* non-interlaced */
882 saa_writel(SAA7134_RS_BA1(0),base);
883 saa_writel(SAA7134_RS_BA2(0),base);
884 saa_writel(SAA7134_RS_PITCH(0),bpl);
885 }
886 saa_writel(SAA7134_RS_CONTROL(0),control);
887
888 if (buf->fmt->planar) {
889 /* DMA: setup channel 4+5 (= planar task A) */
890 bpl_uv = bpl >> buf->fmt->hshift;
891 lines_uv = buf->vb.height >> buf->fmt->vshift;
892 base2 = base + bpl * buf->vb.height;
893 base3 = base2 + bpl_uv * lines_uv;
894 if (buf->fmt->uvswap)
895 tmp = base2, base2 = base3, base3 = tmp;
896 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
897 bpl_uv,lines_uv,base2,base3);
898 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
899 /* interlaced */
900 saa_writel(SAA7134_RS_BA1(4),base2);
901 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
902 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
903 saa_writel(SAA7134_RS_BA1(5),base3);
904 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
905 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
906 } else {
907 /* non-interlaced */
908 saa_writel(SAA7134_RS_BA1(4),base2);
909 saa_writel(SAA7134_RS_BA2(4),base2);
910 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
911 saa_writel(SAA7134_RS_BA1(5),base3);
912 saa_writel(SAA7134_RS_BA2(5),base3);
913 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
914 }
915 saa_writel(SAA7134_RS_CONTROL(4),control);
916 saa_writel(SAA7134_RS_CONTROL(5),control);
917 }
918
919 /* start DMA */
920 saa7134_set_dmabits(dev);
921 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
922 return 0;
923 }
924
925 static int buffer_prepare(struct videobuf_queue *q,
926 struct videobuf_buffer *vb,
927 enum v4l2_field field)
928 {
929 struct saa7134_fh *fh = q->priv_data;
930 struct saa7134_dev *dev = fh->dev;
931 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
932 unsigned int size;
933 int err;
934
935 /* sanity checks */
936 if (NULL == fh->fmt)
937 return -EINVAL;
938 if (fh->width < 48 ||
939 fh->height < 32 ||
940 fh->width/4 > dev->crop_current.width ||
941 fh->height/4 > dev->crop_current.height ||
942 fh->width > dev->crop_bounds.width ||
943 fh->height > dev->crop_bounds.height)
944 return -EINVAL;
945 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
946 if (0 != buf->vb.baddr && buf->vb.bsize < size)
947 return -EINVAL;
948
949 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
950 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
951 fh->fmt->name);
952 if (buf->vb.width != fh->width ||
953 buf->vb.height != fh->height ||
954 buf->vb.size != size ||
955 buf->vb.field != field ||
956 buf->fmt != fh->fmt) {
957 saa7134_dma_free(dev,buf);
958 }
959
960 if (STATE_NEEDS_INIT == buf->vb.state) {
961 buf->vb.width = fh->width;
962 buf->vb.height = fh->height;
963 buf->vb.size = size;
964 buf->vb.field = field;
965 buf->fmt = fh->fmt;
966 buf->pt = &fh->pt_cap;
967
968 err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf);
969 if (err)
970 goto oops;
971 err = saa7134_pgtable_build(dev->pci,buf->pt,
972 buf->vb.dma.sglist,
973 buf->vb.dma.sglen,
974 saa7134_buffer_startpage(buf));
975 if (err)
976 goto oops;
977 }
978 buf->vb.state = STATE_PREPARED;
979 buf->activate = buffer_activate;
980 return 0;
981
982 oops:
983 saa7134_dma_free(dev,buf);
984 return err;
985 }
986
987 static int
988 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
989 {
990 struct saa7134_fh *fh = q->priv_data;
991
992 *size = fh->fmt->depth * fh->width * fh->height >> 3;
993 if (0 == *count)
994 *count = gbuffers;
995 *count = saa7134_buffer_count(*size,*count);
996 return 0;
997 }
998
999 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1000 {
1001 struct saa7134_fh *fh = q->priv_data;
1002 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1003
1004 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1005 }
1006
1007 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1008 {
1009 struct saa7134_fh *fh = q->priv_data;
1010 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1011
1012 saa7134_dma_free(fh->dev,buf);
1013 }
1014
1015 static struct videobuf_queue_ops video_qops = {
1016 .buf_setup = buffer_setup,
1017 .buf_prepare = buffer_prepare,
1018 .buf_queue = buffer_queue,
1019 .buf_release = buffer_release,
1020 };
1021
1022 /* ------------------------------------------------------------------ */
1023
1024 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1025 {
1026 const struct v4l2_queryctrl* ctrl;
1027
1028 ctrl = ctrl_by_id(c->id);
1029 if (NULL == ctrl)
1030 return -EINVAL;
1031 switch (c->id) {
1032 case V4L2_CID_BRIGHTNESS:
1033 c->value = dev->ctl_bright;
1034 break;
1035 case V4L2_CID_HUE:
1036 c->value = dev->ctl_hue;
1037 break;
1038 case V4L2_CID_CONTRAST:
1039 c->value = dev->ctl_contrast;
1040 break;
1041 case V4L2_CID_SATURATION:
1042 c->value = dev->ctl_saturation;
1043 break;
1044 case V4L2_CID_AUDIO_MUTE:
1045 c->value = dev->ctl_mute;
1046 break;
1047 case V4L2_CID_AUDIO_VOLUME:
1048 c->value = dev->ctl_volume;
1049 break;
1050 case V4L2_CID_PRIVATE_INVERT:
1051 c->value = dev->ctl_invert;
1052 break;
1053 case V4L2_CID_HFLIP:
1054 c->value = dev->ctl_mirror;
1055 break;
1056 case V4L2_CID_PRIVATE_Y_EVEN:
1057 c->value = dev->ctl_y_even;
1058 break;
1059 case V4L2_CID_PRIVATE_Y_ODD:
1060 c->value = dev->ctl_y_odd;
1061 break;
1062 case V4L2_CID_PRIVATE_AUTOMUTE:
1063 c->value = dev->ctl_automute;
1064 break;
1065 default:
1066 return -EINVAL;
1067 }
1068 return 0;
1069 }
1070
1071 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1072 struct v4l2_control *c)
1073 {
1074 const struct v4l2_queryctrl* ctrl;
1075 unsigned long flags;
1076 int restart_overlay = 0;
1077
1078 ctrl = ctrl_by_id(c->id);
1079 if (NULL == ctrl)
1080 return -EINVAL;
1081 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1082 switch (ctrl->type) {
1083 case V4L2_CTRL_TYPE_BOOLEAN:
1084 case V4L2_CTRL_TYPE_MENU:
1085 case V4L2_CTRL_TYPE_INTEGER:
1086 if (c->value < ctrl->minimum)
1087 c->value = ctrl->minimum;
1088 if (c->value > ctrl->maximum)
1089 c->value = ctrl->maximum;
1090 break;
1091 default:
1092 /* nothing */;
1093 };
1094 switch (c->id) {
1095 case V4L2_CID_BRIGHTNESS:
1096 dev->ctl_bright = c->value;
1097 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1098 break;
1099 case V4L2_CID_HUE:
1100 dev->ctl_hue = c->value;
1101 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1102 break;
1103 case V4L2_CID_CONTRAST:
1104 dev->ctl_contrast = c->value;
1105 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1106 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1107 break;
1108 case V4L2_CID_SATURATION:
1109 dev->ctl_saturation = c->value;
1110 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1111 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1112 break;
1113 case V4L2_CID_AUDIO_MUTE:
1114 dev->ctl_mute = c->value;
1115 saa7134_tvaudio_setmute(dev);
1116 break;
1117 case V4L2_CID_AUDIO_VOLUME:
1118 dev->ctl_volume = c->value;
1119 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1120 break;
1121 case V4L2_CID_PRIVATE_INVERT:
1122 dev->ctl_invert = c->value;
1123 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1124 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1125 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1126 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1127 break;
1128 case V4L2_CID_HFLIP:
1129 dev->ctl_mirror = c->value;
1130 restart_overlay = 1;
1131 break;
1132 case V4L2_CID_PRIVATE_Y_EVEN:
1133 dev->ctl_y_even = c->value;
1134 restart_overlay = 1;
1135 break;
1136 case V4L2_CID_PRIVATE_Y_ODD:
1137 dev->ctl_y_odd = c->value;
1138 restart_overlay = 1;
1139 break;
1140 case V4L2_CID_PRIVATE_AUTOMUTE:
1141 dev->ctl_automute = c->value;
1142 if (dev->tda9887_conf) {
1143 if (dev->ctl_automute)
1144 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1145 else
1146 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1147 saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1148 &dev->tda9887_conf);
1149 }
1150 break;
1151 default:
1152 return -EINVAL;
1153 }
1154 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1155 spin_lock_irqsave(&dev->slock,flags);
1156 stop_preview(dev,fh);
1157 start_preview(dev,fh);
1158 spin_unlock_irqrestore(&dev->slock,flags);
1159 }
1160 return 0;
1161 }
1162
1163 /* ------------------------------------------------------------------ */
1164
1165 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1166 {
1167 struct videobuf_queue* q = NULL;
1168
1169 switch (fh->type) {
1170 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1171 q = &fh->cap;
1172 break;
1173 case V4L2_BUF_TYPE_VBI_CAPTURE:
1174 q = &fh->vbi;
1175 break;
1176 default:
1177 BUG();
1178 }
1179 return q;
1180 }
1181
1182 static int saa7134_resource(struct saa7134_fh *fh)
1183 {
1184 int res = 0;
1185
1186 switch (fh->type) {
1187 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1188 res = RESOURCE_VIDEO;
1189 break;
1190 case V4L2_BUF_TYPE_VBI_CAPTURE:
1191 res = RESOURCE_VBI;
1192 break;
1193 default:
1194 BUG();
1195 }
1196 return res;
1197 }
1198
1199 static int video_open(struct inode *inode, struct file *file)
1200 {
1201 int minor = iminor(inode);
1202 struct saa7134_dev *h,*dev = NULL;
1203 struct saa7134_fh *fh;
1204 struct list_head *list;
1205 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1206 int radio = 0;
1207 list_for_each(list,&saa7134_devlist) {
1208 h = list_entry(list, struct saa7134_dev, devlist);
1209 if (h->video_dev && (h->video_dev->minor == minor))
1210 dev = h;
1211 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1212 radio = 1;
1213 dev = h;
1214 }
1215 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1216 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1217 dev = h;
1218 }
1219 }
1220 if (NULL == dev)
1221 return -ENODEV;
1222
1223 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1224 v4l2_type_names[type]);
1225
1226 /* allocate + initialize per filehandle data */
1227 fh = kmalloc(sizeof(*fh),GFP_KERNEL);
1228 if (NULL == fh)
1229 return -ENOMEM;
1230 memset(fh,0,sizeof(*fh));
1231 file->private_data = fh;
1232 fh->dev = dev;
1233 fh->radio = radio;
1234 fh->type = type;
1235 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1236 fh->width = 720;
1237 fh->height = 576;
1238 v4l2_prio_open(&dev->prio,&fh->prio);
1239
1240 videobuf_queue_init(&fh->cap, &video_qops,
1241 dev->pci, &dev->slock,
1242 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1243 V4L2_FIELD_INTERLACED,
1244 sizeof(struct saa7134_buf),
1245 fh);
1246 videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1247 dev->pci, &dev->slock,
1248 V4L2_BUF_TYPE_VBI_CAPTURE,
1249 V4L2_FIELD_SEQ_TB,
1250 sizeof(struct saa7134_buf),
1251 fh);
1252 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1253 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1254
1255 if (fh->radio) {
1256 /* switch to radio mode */
1257 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1258 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1259 } else {
1260 /* switch to video/vbi mode */
1261 video_mux(dev,dev->ctl_input);
1262 }
1263 return 0;
1264 }
1265
1266 static ssize_t
1267 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1268 {
1269 struct saa7134_fh *fh = file->private_data;
1270
1271 switch (fh->type) {
1272 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1273 if (res_locked(fh->dev,RESOURCE_VIDEO))
1274 return -EBUSY;
1275 return videobuf_read_one(saa7134_queue(fh),
1276 data, count, ppos,
1277 file->f_flags & O_NONBLOCK);
1278 case V4L2_BUF_TYPE_VBI_CAPTURE:
1279 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1280 return -EBUSY;
1281 return videobuf_read_stream(saa7134_queue(fh),
1282 data, count, ppos, 1,
1283 file->f_flags & O_NONBLOCK);
1284 break;
1285 default:
1286 BUG();
1287 return 0;
1288 }
1289 }
1290
1291 static unsigned int
1292 video_poll(struct file *file, struct poll_table_struct *wait)
1293 {
1294 struct saa7134_fh *fh = file->private_data;
1295 struct videobuf_buffer *buf = NULL;
1296
1297 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1298 return videobuf_poll_stream(file, &fh->vbi, wait);
1299
1300 if (res_check(fh,RESOURCE_VIDEO)) {
1301 if (!list_empty(&fh->cap.stream))
1302 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1303 } else {
1304 down(&fh->cap.lock);
1305 if (UNSET == fh->cap.read_off) {
1306 /* need to capture a new frame */
1307 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1308 up(&fh->cap.lock);
1309 return POLLERR;
1310 }
1311 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1312 up(&fh->cap.lock);
1313 return POLLERR;
1314 }
1315 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1316 fh->cap.read_off = 0;
1317 }
1318 up(&fh->cap.lock);
1319 buf = fh->cap.read_buf;
1320 }
1321
1322 if (!buf)
1323 return POLLERR;
1324
1325 poll_wait(file, &buf->done, wait);
1326 if (buf->state == STATE_DONE ||
1327 buf->state == STATE_ERROR)
1328 return POLLIN|POLLRDNORM;
1329 return 0;
1330 }
1331
1332 static int video_release(struct inode *inode, struct file *file)
1333 {
1334 struct saa7134_fh *fh = file->private_data;
1335 struct saa7134_dev *dev = fh->dev;
1336 unsigned long flags;
1337
1338 /* turn off overlay */
1339 if (res_check(fh, RESOURCE_OVERLAY)) {
1340 spin_lock_irqsave(&dev->slock,flags);
1341 stop_preview(dev,fh);
1342 spin_unlock_irqrestore(&dev->slock,flags);
1343 res_free(dev,fh,RESOURCE_OVERLAY);
1344 }
1345
1346 /* stop video capture */
1347 if (res_check(fh, RESOURCE_VIDEO)) {
1348 videobuf_streamoff(&fh->cap);
1349 res_free(dev,fh,RESOURCE_VIDEO);
1350 }
1351 if (fh->cap.read_buf) {
1352 buffer_release(&fh->cap,fh->cap.read_buf);
1353 kfree(fh->cap.read_buf);
1354 }
1355
1356 /* stop vbi capture */
1357 if (res_check(fh, RESOURCE_VBI)) {
1358 if (fh->vbi.streaming)
1359 videobuf_streamoff(&fh->vbi);
1360 if (fh->vbi.reading)
1361 videobuf_read_stop(&fh->vbi);
1362 res_free(dev,fh,RESOURCE_VBI);
1363 }
1364
1365 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1366 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1367 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1368 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1369 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1370
1371 if (dev->tuner_type == TUNER_PHILIPS_TDA8290) {
1372 u8 data[2];
1373 int ret;
1374 struct i2c_msg msg = {.addr=I2C_ADDR_TDA8290, .flags=0, .buf=data, .len = 2};
1375 data[0] = 0x21;
1376 data[1] = 0xc0;
1377 ret = i2c_transfer(&dev->i2c_adap, &msg, 1);
1378 if (ret != 1)
1379 printk(KERN_ERR "TDA8290 access failure\n");
1380 msg.addr = I2C_ADDR_TDA8275;
1381 data[0] = 0x30;
1382 data[1] = 0xd0;
1383 ret = i2c_transfer(&dev->i2c_adap, &msg, 1);
1384 if (ret != 1)
1385 printk(KERN_ERR "TDA8275 access failure\n");
1386 msg.addr = I2C_ADDR_TDA8290;
1387 data[0] = 0x21;
1388 data[1] = 0x80;
1389 i2c_transfer(&dev->i2c_adap, &msg, 1);
1390 data[0] = 0x00;
1391 data[1] = 0x02;
1392 i2c_transfer(&dev->i2c_adap, &msg, 1);
1393 }
1394
1395 /* free stuff */
1396 videobuf_mmap_free(&fh->cap);
1397 videobuf_mmap_free(&fh->vbi);
1398 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1399 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1400
1401 v4l2_prio_close(&dev->prio,&fh->prio);
1402 file->private_data = NULL;
1403 kfree(fh);
1404 return 0;
1405 }
1406
1407 static int
1408 video_mmap(struct file *file, struct vm_area_struct * vma)
1409 {
1410 struct saa7134_fh *fh = file->private_data;
1411
1412 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1413 }
1414
1415 /* ------------------------------------------------------------------ */
1416
1417 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1418 {
1419 struct saa7134_tvnorm *norm = dev->tvnorm;
1420
1421 f->fmt.vbi.sampling_rate = 6750000 * 4;
1422 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1423 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1424 f->fmt.vbi.offset = 64 * 4;
1425 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1426 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1427 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1428 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1429 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1430
1431 }
1432
1433 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1434 struct v4l2_format *f)
1435 {
1436 switch (f->type) {
1437 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1438 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1439 f->fmt.pix.width = fh->width;
1440 f->fmt.pix.height = fh->height;
1441 f->fmt.pix.field = fh->cap.field;
1442 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1443 f->fmt.pix.bytesperline =
1444 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1445 f->fmt.pix.sizeimage =
1446 f->fmt.pix.height * f->fmt.pix.bytesperline;
1447 return 0;
1448 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1449 f->fmt.win = fh->win;
1450 return 0;
1451 case V4L2_BUF_TYPE_VBI_CAPTURE:
1452 saa7134_vbi_fmt(dev,f);
1453 return 0;
1454 default:
1455 return -EINVAL;
1456 }
1457 }
1458
1459 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1460 struct v4l2_format *f)
1461 {
1462 int err;
1463
1464 switch (f->type) {
1465 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1466 {
1467 struct saa7134_format *fmt;
1468 enum v4l2_field field;
1469 unsigned int maxw, maxh;
1470
1471 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1472 if (NULL == fmt)
1473 return -EINVAL;
1474
1475 field = f->fmt.pix.field;
1476 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1477 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1478
1479 if (V4L2_FIELD_ANY == field) {
1480 field = (f->fmt.pix.height > maxh/2)
1481 ? V4L2_FIELD_INTERLACED
1482 : V4L2_FIELD_BOTTOM;
1483 }
1484 switch (field) {
1485 case V4L2_FIELD_TOP:
1486 case V4L2_FIELD_BOTTOM:
1487 maxh = maxh / 2;
1488 break;
1489 case V4L2_FIELD_INTERLACED:
1490 break;
1491 default:
1492 return -EINVAL;
1493 }
1494
1495 f->fmt.pix.field = field;
1496 if (f->fmt.pix.width < 48)
1497 f->fmt.pix.width = 48;
1498 if (f->fmt.pix.height < 32)
1499 f->fmt.pix.height = 32;
1500 if (f->fmt.pix.width > maxw)
1501 f->fmt.pix.width = maxw;
1502 if (f->fmt.pix.height > maxh)
1503 f->fmt.pix.height = maxh;
1504 f->fmt.pix.width &= ~0x03;
1505 f->fmt.pix.bytesperline =
1506 (f->fmt.pix.width * fmt->depth) >> 3;
1507 f->fmt.pix.sizeimage =
1508 f->fmt.pix.height * f->fmt.pix.bytesperline;
1509
1510 return 0;
1511 }
1512 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1513 err = verify_preview(dev,&f->fmt.win);
1514 if (0 != err)
1515 return err;
1516 return 0;
1517 case V4L2_BUF_TYPE_VBI_CAPTURE:
1518 saa7134_vbi_fmt(dev,f);
1519 return 0;
1520 default:
1521 return -EINVAL;
1522 }
1523 }
1524
1525 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1526 struct v4l2_format *f)
1527 {
1528 unsigned long flags;
1529 int err;
1530
1531 switch (f->type) {
1532 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1533 err = saa7134_try_fmt(dev,fh,f);
1534 if (0 != err)
1535 return err;
1536
1537 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1538 fh->width = f->fmt.pix.width;
1539 fh->height = f->fmt.pix.height;
1540 fh->cap.field = f->fmt.pix.field;
1541 return 0;
1542 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1543 err = verify_preview(dev,&f->fmt.win);
1544 if (0 != err)
1545 return err;
1546
1547 down(&dev->lock);
1548 fh->win = f->fmt.win;
1549 fh->nclips = f->fmt.win.clipcount;
1550 if (fh->nclips > 8)
1551 fh->nclips = 8;
1552 if (copy_from_user(fh->clips,f->fmt.win.clips,
1553 sizeof(struct v4l2_clip)*fh->nclips)) {
1554 up(&dev->lock);
1555 return -EFAULT;
1556 }
1557
1558 if (res_check(fh, RESOURCE_OVERLAY)) {
1559 spin_lock_irqsave(&dev->slock,flags);
1560 stop_preview(dev,fh);
1561 start_preview(dev,fh);
1562 spin_unlock_irqrestore(&dev->slock,flags);
1563 }
1564 up(&dev->lock);
1565 return 0;
1566 case V4L2_BUF_TYPE_VBI_CAPTURE:
1567 saa7134_vbi_fmt(dev,f);
1568 return 0;
1569 default:
1570 return -EINVAL;
1571 }
1572 }
1573
1574 int saa7134_common_ioctl(struct saa7134_dev *dev,
1575 unsigned int cmd, void *arg)
1576 {
1577 int err;
1578
1579 switch (cmd) {
1580 case VIDIOC_QUERYCTRL:
1581 {
1582 const struct v4l2_queryctrl *ctrl;
1583 struct v4l2_queryctrl *c = arg;
1584
1585 if ((c->id < V4L2_CID_BASE ||
1586 c->id >= V4L2_CID_LASTP1) &&
1587 (c->id < V4L2_CID_PRIVATE_BASE ||
1588 c->id >= V4L2_CID_PRIVATE_LASTP1))
1589 return -EINVAL;
1590 ctrl = ctrl_by_id(c->id);
1591 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1592 return 0;
1593 }
1594 case VIDIOC_G_CTRL:
1595 return get_control(dev,arg);
1596 case VIDIOC_S_CTRL:
1597 {
1598 down(&dev->lock);
1599 err = set_control(dev,NULL,arg);
1600 up(&dev->lock);
1601 return err;
1602 }
1603 /* --- input switching --------------------------------------- */
1604 case VIDIOC_ENUMINPUT:
1605 {
1606 struct v4l2_input *i = arg;
1607 unsigned int n;
1608
1609 n = i->index;
1610 if (n >= SAA7134_INPUT_MAX)
1611 return -EINVAL;
1612 if (NULL == card_in(dev,i->index).name)
1613 return -EINVAL;
1614 memset(i,0,sizeof(*i));
1615 i->index = n;
1616 i->type = V4L2_INPUT_TYPE_CAMERA;
1617 strcpy(i->name,card_in(dev,n).name);
1618 if (card_in(dev,n).tv)
1619 i->type = V4L2_INPUT_TYPE_TUNER;
1620 i->audioset = 1;
1621 if (n == dev->ctl_input) {
1622 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1623 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1624
1625 if (0 != (v1 & 0x40))
1626 i->status |= V4L2_IN_ST_NO_H_LOCK;
1627 if (0 != (v2 & 0x40))
1628 i->status |= V4L2_IN_ST_NO_SYNC;
1629 if (0 != (v2 & 0x0e))
1630 i->status |= V4L2_IN_ST_MACROVISION;
1631 }
1632 for (n = 0; n < TVNORMS; n++)
1633 i->std |= tvnorms[n].id;
1634 return 0;
1635 }
1636 case VIDIOC_G_INPUT:
1637 {
1638 int *i = arg;
1639 *i = dev->ctl_input;
1640 return 0;
1641 }
1642 case VIDIOC_S_INPUT:
1643 {
1644 int *i = arg;
1645
1646 if (*i < 0 || *i >= SAA7134_INPUT_MAX)
1647 return -EINVAL;
1648 if (NULL == card_in(dev,*i).name)
1649 return -EINVAL;
1650 down(&dev->lock);
1651 video_mux(dev,*i);
1652 up(&dev->lock);
1653 return 0;
1654 }
1655
1656 }
1657 return 0;
1658 }
1659 EXPORT_SYMBOL(saa7134_common_ioctl);
1660
1661 /*
1662 * This function is _not_ called directly, but from
1663 * video_generic_ioctl (and maybe others). userspace
1664 * copying is done already, arg is a kernel pointer.
1665 */
1666 static int video_do_ioctl(struct inode *inode, struct file *file,
1667 unsigned int cmd, void *arg)
1668 {
1669 struct saa7134_fh *fh = file->private_data;
1670 struct saa7134_dev *dev = fh->dev;
1671 unsigned long flags;
1672 int err;
1673
1674 if (video_debug > 1)
1675 saa7134_print_ioctl(dev->name,cmd);
1676
1677 switch (cmd) {
1678 case VIDIOC_S_CTRL:
1679 case VIDIOC_S_STD:
1680 case VIDIOC_S_INPUT:
1681 case VIDIOC_S_TUNER:
1682 case VIDIOC_S_FREQUENCY:
1683 err = v4l2_prio_check(&dev->prio,&fh->prio);
1684 if (0 != err)
1685 return err;
1686 }
1687
1688 switch (cmd) {
1689 case VIDIOC_QUERYCAP:
1690 {
1691 struct v4l2_capability *cap = arg;
1692
1693 memset(cap,0,sizeof(*cap));
1694 strcpy(cap->driver, "saa7134");
1695 strlcpy(cap->card, saa7134_boards[dev->board].name,
1696 sizeof(cap->card));
1697 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1698 cap->version = SAA7134_VERSION_CODE;
1699 cap->capabilities =
1700 V4L2_CAP_VIDEO_CAPTURE |
1701 V4L2_CAP_VIDEO_OVERLAY |
1702 V4L2_CAP_VBI_CAPTURE |
1703 V4L2_CAP_TUNER |
1704 V4L2_CAP_READWRITE |
1705 V4L2_CAP_STREAMING;
1706 return 0;
1707 }
1708
1709 /* --- tv standards ------------------------------------------ */
1710 case VIDIOC_ENUMSTD:
1711 {
1712 struct v4l2_standard *e = arg;
1713 unsigned int i;
1714
1715 i = e->index;
1716 if (i >= TVNORMS)
1717 return -EINVAL;
1718 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1719 tvnorms[e->index].name);
1720 e->index = i;
1721 if (err < 0)
1722 return err;
1723 return 0;
1724 }
1725 case VIDIOC_G_STD:
1726 {
1727 v4l2_std_id *id = arg;
1728
1729 *id = dev->tvnorm->id;
1730 return 0;
1731 }
1732 case VIDIOC_S_STD:
1733 {
1734 v4l2_std_id *id = arg;
1735 unsigned int i;
1736
1737 for (i = 0; i < TVNORMS; i++)
1738 if (*id == tvnorms[i].id)
1739 break;
1740 if (i == TVNORMS)
1741 for (i = 0; i < TVNORMS; i++)
1742 if (*id & tvnorms[i].id)
1743 break;
1744 if (i == TVNORMS)
1745 return -EINVAL;
1746
1747 down(&dev->lock);
1748 if (res_check(fh, RESOURCE_OVERLAY)) {
1749 spin_lock_irqsave(&dev->slock,flags);
1750 stop_preview(dev,fh);
1751 set_tvnorm(dev,&tvnorms[i]);
1752 start_preview(dev,fh);
1753 spin_unlock_irqrestore(&dev->slock,flags);
1754 } else
1755 set_tvnorm(dev,&tvnorms[i]);
1756 saa7134_tvaudio_do_scan(dev);
1757 up(&dev->lock);
1758 return 0;
1759 }
1760
1761 case VIDIOC_CROPCAP:
1762 {
1763 struct v4l2_cropcap *cap = arg;
1764
1765 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1766 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1767 return -EINVAL;
1768 cap->bounds = dev->crop_bounds;
1769 cap->defrect = dev->crop_defrect;
1770 cap->pixelaspect.numerator = 1;
1771 cap->pixelaspect.denominator = 1;
1772 if (dev->tvnorm->id & V4L2_STD_525_60) {
1773 cap->pixelaspect.numerator = 11;
1774 cap->pixelaspect.denominator = 10;
1775 }
1776 if (dev->tvnorm->id & V4L2_STD_625_50) {
1777 cap->pixelaspect.numerator = 54;
1778 cap->pixelaspect.denominator = 59;
1779 }
1780 return 0;
1781 }
1782
1783 case VIDIOC_G_CROP:
1784 {
1785 struct v4l2_crop * crop = arg;
1786
1787 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1788 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1789 return -EINVAL;
1790 crop->c = dev->crop_current;
1791 return 0;
1792 }
1793 case VIDIOC_S_CROP:
1794 {
1795 struct v4l2_crop *crop = arg;
1796 struct v4l2_rect *b = &dev->crop_bounds;
1797
1798 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1799 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1800 return -EINVAL;
1801 if (crop->c.height < 0)
1802 return -EINVAL;
1803 if (crop->c.width < 0)
1804 return -EINVAL;
1805
1806 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1807 return -EBUSY;
1808 if (res_locked(fh->dev,RESOURCE_VIDEO))
1809 return -EBUSY;
1810
1811 if (crop->c.top < b->top)
1812 crop->c.top = b->top;
1813 if (crop->c.top > b->top + b->height)
1814 crop->c.top = b->top + b->height;
1815 if (crop->c.height > b->top - crop->c.top + b->height)
1816 crop->c.height = b->top - crop->c.top + b->height;
1817
1818 if (crop->c.left < b->left)
1819 crop->c.top = b->left;
1820 if (crop->c.left > b->left + b->width)
1821 crop->c.top = b->left + b->width;
1822 if (crop->c.width > b->left - crop->c.left + b->width)
1823 crop->c.width = b->left - crop->c.left + b->width;
1824
1825 dev->crop_current = crop->c;
1826 return 0;
1827 }
1828
1829 /* --- tuner ioctls ------------------------------------------ */
1830 case VIDIOC_G_TUNER:
1831 {
1832 struct v4l2_tuner *t = arg;
1833 int n;
1834
1835 if (0 != t->index)
1836 return -EINVAL;
1837 memset(t,0,sizeof(*t));
1838 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1839 if (card_in(dev,n).tv)
1840 break;
1841 if (NULL != card_in(dev,n).name) {
1842 strcpy(t->name, "Television");
1843 t->capability = V4L2_TUNER_CAP_NORM |
1844 V4L2_TUNER_CAP_STEREO |
1845 V4L2_TUNER_CAP_LANG1 |
1846 V4L2_TUNER_CAP_LANG2;
1847 t->rangehigh = 0xffffffffUL;
1848 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1849 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1850 }
1851 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1852 t->signal = 0xffff;
1853 return 0;
1854 }
1855 case VIDIOC_S_TUNER:
1856 {
1857 struct v4l2_tuner *t = arg;
1858 int rx,mode;
1859
1860 mode = dev->thread.mode;
1861 if (UNSET == mode) {
1862 rx = saa7134_tvaudio_getstereo(dev);
1863 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1864 }
1865 if (mode != t->audmode) {
1866 dev->thread.mode = t->audmode;
1867 }
1868 return 0;
1869 }
1870 case VIDIOC_G_FREQUENCY:
1871 {
1872 struct v4l2_frequency *f = arg;
1873
1874 memset(f,0,sizeof(*f));
1875 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1876 f->frequency = dev->ctl_freq;
1877 return 0;
1878 }
1879 case VIDIOC_S_FREQUENCY:
1880 {
1881 struct v4l2_frequency *f = arg;
1882
1883 if (0 != f->tuner)
1884 return -EINVAL;
1885 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1886 return -EINVAL;
1887 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1888 return -EINVAL;
1889 down(&dev->lock);
1890 dev->ctl_freq = f->frequency;
1891
1892 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1893
1894 saa7134_tvaudio_do_scan(dev);
1895 up(&dev->lock);
1896 return 0;
1897 }
1898
1899 /* --- control ioctls ---------------------------------------- */
1900 case VIDIOC_ENUMINPUT:
1901 case VIDIOC_G_INPUT:
1902 case VIDIOC_S_INPUT:
1903 case VIDIOC_QUERYCTRL:
1904 case VIDIOC_G_CTRL:
1905 case VIDIOC_S_CTRL:
1906 return saa7134_common_ioctl(dev, cmd, arg);
1907
1908 case VIDIOC_G_AUDIO:
1909 {
1910 struct v4l2_audio *a = arg;
1911
1912 memset(a,0,sizeof(*a));
1913 strcpy(a->name,"audio");
1914 return 0;
1915 }
1916 case VIDIOC_S_AUDIO:
1917 return 0;
1918 case VIDIOC_G_PARM:
1919 {
1920 struct v4l2_captureparm *parm = arg;
1921 memset(parm,0,sizeof(*parm));
1922 return 0;
1923 }
1924
1925 case VIDIOC_G_PRIORITY:
1926 {
1927 enum v4l2_priority *p = arg;
1928
1929 *p = v4l2_prio_max(&dev->prio);
1930 return 0;
1931 }
1932 case VIDIOC_S_PRIORITY:
1933 {
1934 enum v4l2_priority *prio = arg;
1935
1936 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
1937 }
1938
1939 /* --- preview ioctls ---------------------------------------- */
1940 case VIDIOC_ENUM_FMT:
1941 {
1942 struct v4l2_fmtdesc *f = arg;
1943 enum v4l2_buf_type type;
1944 unsigned int index;
1945
1946 index = f->index;
1947 type = f->type;
1948 switch (type) {
1949 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1950 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1951 if (index >= FORMATS)
1952 return -EINVAL;
1953 if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
1954 formats[index].planar)
1955 return -EINVAL;
1956 memset(f,0,sizeof(*f));
1957 f->index = index;
1958 f->type = type;
1959 strlcpy(f->description,formats[index].name,sizeof(f->description));
1960 f->pixelformat = formats[index].fourcc;
1961 break;
1962 case V4L2_BUF_TYPE_VBI_CAPTURE:
1963 if (0 != index)
1964 return -EINVAL;
1965 memset(f,0,sizeof(*f));
1966 f->index = index;
1967 f->type = type;
1968 f->pixelformat = V4L2_PIX_FMT_GREY;
1969 strcpy(f->description,"vbi data");
1970 break;
1971 default:
1972 return -EINVAL;
1973 }
1974 return 0;
1975 }
1976 case VIDIOC_G_FBUF:
1977 {
1978 struct v4l2_framebuffer *fb = arg;
1979
1980 *fb = dev->ovbuf;
1981 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1982 return 0;
1983 }
1984 case VIDIOC_S_FBUF:
1985 {
1986 struct v4l2_framebuffer *fb = arg;
1987 struct saa7134_format *fmt;
1988
1989 if(!capable(CAP_SYS_ADMIN) &&
1990 !capable(CAP_SYS_RAWIO))
1991 return -EPERM;
1992
1993 /* check args */
1994 fmt = format_by_fourcc(fb->fmt.pixelformat);
1995 if (NULL == fmt)
1996 return -EINVAL;
1997
1998 /* ok, accept it */
1999 dev->ovbuf = *fb;
2000 dev->ovfmt = fmt;
2001 if (0 == dev->ovbuf.fmt.bytesperline)
2002 dev->ovbuf.fmt.bytesperline =
2003 dev->ovbuf.fmt.width*fmt->depth/8;
2004 return 0;
2005 }
2006 case VIDIOC_OVERLAY:
2007 {
2008 int *on = arg;
2009
2010 if (*on) {
2011 if (!res_get(dev,fh,RESOURCE_OVERLAY))
2012 return -EBUSY;
2013 spin_lock_irqsave(&dev->slock,flags);
2014 start_preview(dev,fh);
2015 spin_unlock_irqrestore(&dev->slock,flags);
2016 }
2017 if (!*on) {
2018 if (!res_check(fh, RESOURCE_OVERLAY))
2019 return -EINVAL;
2020 spin_lock_irqsave(&dev->slock,flags);
2021 stop_preview(dev,fh);
2022 spin_unlock_irqrestore(&dev->slock,flags);
2023 res_free(dev,fh,RESOURCE_OVERLAY);
2024 }
2025 return 0;
2026 }
2027
2028 /* --- capture ioctls ---------------------------------------- */
2029 case VIDIOC_G_FMT:
2030 {
2031 struct v4l2_format *f = arg;
2032 return saa7134_g_fmt(dev,fh,f);
2033 }
2034 case VIDIOC_S_FMT:
2035 {
2036 struct v4l2_format *f = arg;
2037 return saa7134_s_fmt(dev,fh,f);
2038 }
2039 case VIDIOC_TRY_FMT:
2040 {
2041 struct v4l2_format *f = arg;
2042 return saa7134_try_fmt(dev,fh,f);
2043 }
2044
2045 case VIDIOCGMBUF:
2046 {
2047 struct video_mbuf *mbuf = arg;
2048 struct videobuf_queue *q;
2049 struct v4l2_requestbuffers req;
2050 unsigned int i;
2051
2052 q = saa7134_queue(fh);
2053 memset(&req,0,sizeof(req));
2054 req.type = q->type;
2055 req.count = gbuffers;
2056 req.memory = V4L2_MEMORY_MMAP;
2057 err = videobuf_reqbufs(q,&req);
2058 if (err < 0)
2059 return err;
2060 memset(mbuf,0,sizeof(*mbuf));
2061 mbuf->frames = req.count;
2062 mbuf->size = 0;
2063 for (i = 0; i < mbuf->frames; i++) {
2064 mbuf->offsets[i] = q->bufs[i]->boff;
2065 mbuf->size += q->bufs[i]->bsize;
2066 }
2067 return 0;
2068 }
2069 case VIDIOC_REQBUFS:
2070 return videobuf_reqbufs(saa7134_queue(fh),arg);
2071
2072 case VIDIOC_QUERYBUF:
2073 return videobuf_querybuf(saa7134_queue(fh),arg);
2074
2075 case VIDIOC_QBUF:
2076 return videobuf_qbuf(saa7134_queue(fh),arg);
2077
2078 case VIDIOC_DQBUF:
2079 return videobuf_dqbuf(saa7134_queue(fh),arg,
2080 file->f_flags & O_NONBLOCK);
2081
2082 case VIDIOC_STREAMON:
2083 {
2084 int res = saa7134_resource(fh);
2085
2086 if (!res_get(dev,fh,res))
2087 return -EBUSY;
2088 return videobuf_streamon(saa7134_queue(fh));
2089 }
2090 case VIDIOC_STREAMOFF:
2091 {
2092 int res = saa7134_resource(fh);
2093
2094 err = videobuf_streamoff(saa7134_queue(fh));
2095 if (err < 0)
2096 return err;
2097 res_free(dev,fh,res);
2098 return 0;
2099 }
2100
2101 default:
2102 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2103 video_do_ioctl);
2104 }
2105 return 0;
2106 }
2107
2108 static int video_ioctl(struct inode *inode, struct file *file,
2109 unsigned int cmd, unsigned long arg)
2110 {
2111 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2112 }
2113
2114 static int radio_do_ioctl(struct inode *inode, struct file *file,
2115 unsigned int cmd, void *arg)
2116 {
2117 struct saa7134_fh *fh = file->private_data;
2118 struct saa7134_dev *dev = fh->dev;
2119
2120 if (video_debug > 1)
2121 saa7134_print_ioctl(dev->name,cmd);
2122 switch (cmd) {
2123 case VIDIOC_QUERYCAP:
2124 {
2125 struct v4l2_capability *cap = arg;
2126
2127 memset(cap,0,sizeof(*cap));
2128 strcpy(cap->driver, "saa7134");
2129 strlcpy(cap->card, saa7134_boards[dev->board].name,
2130 sizeof(cap->card));
2131 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2132 cap->version = SAA7134_VERSION_CODE;
2133 cap->capabilities = V4L2_CAP_TUNER;
2134 return 0;
2135 }
2136 case VIDIOC_G_TUNER:
2137 {
2138 struct v4l2_tuner *t = arg;
2139
2140 if (0 != t->index)
2141 return -EINVAL;
2142
2143 memset(t,0,sizeof(*t));
2144 strcpy(t->name, "Radio");
2145
2146 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2147
2148 return 0;
2149 }
2150 case VIDIOC_S_TUNER:
2151 {
2152 struct v4l2_tuner *t = arg;
2153
2154 if (0 != t->index)
2155 return -EINVAL;
2156
2157 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2158
2159 return 0;
2160 }
2161 case VIDIOC_ENUMINPUT:
2162 {
2163 struct v4l2_input *i = arg;
2164
2165 if (i->index != 0)
2166 return -EINVAL;
2167 strcpy(i->name,"Radio");
2168 i->type = V4L2_INPUT_TYPE_TUNER;
2169 return 0;
2170 }
2171 case VIDIOC_G_INPUT:
2172 {
2173 int *i = arg;
2174 *i = 0;
2175 return 0;
2176 }
2177 case VIDIOC_G_AUDIO:
2178 {
2179 struct v4l2_audio *a = arg;
2180
2181 memset(a,0,sizeof(*a));
2182 strcpy(a->name,"Radio");
2183 return 0;
2184 }
2185 case VIDIOC_G_STD:
2186 {
2187 v4l2_std_id *id = arg;
2188 *id = 0;
2189 return 0;
2190 }
2191 case VIDIOC_S_AUDIO:
2192 case VIDIOC_S_INPUT:
2193 case VIDIOC_S_STD:
2194 return 0;
2195
2196 case VIDIOC_QUERYCTRL:
2197 {
2198 const struct v4l2_queryctrl *ctrl;
2199 struct v4l2_queryctrl *c = arg;
2200
2201 if (c->id < V4L2_CID_BASE ||
2202 c->id >= V4L2_CID_LASTP1)
2203 return -EINVAL;
2204 if (c->id == V4L2_CID_AUDIO_MUTE) {
2205 ctrl = ctrl_by_id(c->id);
2206 *c = *ctrl;
2207 } else
2208 *c = no_ctrl;
2209 return 0;
2210 }
2211
2212 case VIDIOC_G_CTRL:
2213 case VIDIOC_S_CTRL:
2214 case VIDIOC_G_FREQUENCY:
2215 case VIDIOC_S_FREQUENCY:
2216 return video_do_ioctl(inode,file,cmd,arg);
2217
2218 default:
2219 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2220 radio_do_ioctl);
2221 }
2222 return 0;
2223 }
2224
2225 static int radio_ioctl(struct inode *inode, struct file *file,
2226 unsigned int cmd, unsigned long arg)
2227 {
2228 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2229 }
2230
2231 static struct file_operations video_fops =
2232 {
2233 .owner = THIS_MODULE,
2234 .open = video_open,
2235 .release = video_release,
2236 .read = video_read,
2237 .poll = video_poll,
2238 .mmap = video_mmap,
2239 .ioctl = video_ioctl,
2240 .llseek = no_llseek,
2241 };
2242
2243 static struct file_operations radio_fops =
2244 {
2245 .owner = THIS_MODULE,
2246 .open = video_open,
2247 .release = video_release,
2248 .ioctl = radio_ioctl,
2249 .llseek = no_llseek,
2250 };
2251
2252 /* ----------------------------------------------------------- */
2253 /* exported stuff */
2254
2255 struct video_device saa7134_video_template =
2256 {
2257 .name = "saa7134-video",
2258 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
2259 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2260 .hardware = 0,
2261 .fops = &video_fops,
2262 .minor = -1,
2263 };
2264
2265 struct video_device saa7134_vbi_template =
2266 {
2267 .name = "saa7134-vbi",
2268 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2269 .hardware = 0,
2270 .fops = &video_fops,
2271 .minor = -1,
2272 };
2273
2274 struct video_device saa7134_radio_template =
2275 {
2276 .name = "saa7134-radio",
2277 .type = VID_TYPE_TUNER,
2278 .hardware = 0,
2279 .fops = &radio_fops,
2280 .minor = -1,
2281 };
2282
2283 int saa7134_video_init1(struct saa7134_dev *dev)
2284 {
2285 /* sanitycheck insmod options */
2286 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2287 gbuffers = 2;
2288 if (gbufsize < 0 || gbufsize > gbufsize_max)
2289 gbufsize = gbufsize_max;
2290 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2291
2292 /* put some sensible defaults into the data structures ... */
2293 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2294 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2295 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2296 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2297 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2298 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2299 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2300 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2301
2302 if (dev->tda9887_conf && dev->ctl_automute)
2303 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2304 dev->automute = 0;
2305
2306 INIT_LIST_HEAD(&dev->video_q.queue);
2307 init_timer(&dev->video_q.timeout);
2308 dev->video_q.timeout.function = saa7134_buffer_timeout;
2309 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2310 dev->video_q.dev = dev;
2311
2312 if (saa7134_boards[dev->board].video_out) {
2313 /* enable video output */
2314 int vo = saa7134_boards[dev->board].video_out;
2315 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2316 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_out[vo][1]);
2317 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2318 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2319 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2320 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_out[vo][5]);
2321 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_out[vo][6]);
2322 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2323 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2324 }
2325
2326 return 0;
2327 }
2328
2329 int saa7134_video_init2(struct saa7134_dev *dev)
2330 {
2331 /* init video hw */
2332 set_tvnorm(dev,&tvnorms[0]);
2333 video_mux(dev,0);
2334 saa7134_tvaudio_setmute(dev);
2335 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2336 return 0;
2337 }
2338
2339 int saa7134_video_fini(struct saa7134_dev *dev)
2340 {
2341 /* nothing */
2342 return 0;
2343 }
2344
2345 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2346 {
2347 static const char *st[] = {
2348 "(no signal)", "NTSC", "PAL", "SECAM" };
2349 u32 st1,st2;
2350
2351 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2352 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2353 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2354 (st1 & 0x40) ? "not locked" : "locked",
2355 (st2 & 0x40) ? "no" : "yes",
2356 st[st1 & 0x03]);
2357 dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2358
2359 if (dev->nosignal) {
2360 /* no video signal -> mute audio */
2361 if (dev->ctl_automute)
2362 dev->automute = 1;
2363 saa7134_tvaudio_setmute(dev);
2364 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2365 } else {
2366 /* wake up tvaudio audio carrier scan thread */
2367 saa7134_tvaudio_do_scan(dev);
2368 if (!noninterlaced)
2369 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2370 }
2371 if (dev->mops && dev->mops->signal_change)
2372 dev->mops->signal_change(dev);
2373 }
2374
2375 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2376 {
2377 enum v4l2_field field;
2378
2379 spin_lock(&dev->slock);
2380 if (dev->video_q.curr) {
2381 dev->video_fieldcount++;
2382 field = dev->video_q.curr->vb.field;
2383 if (V4L2_FIELD_HAS_BOTH(field)) {
2384 /* make sure we have seen both fields */
2385 if ((status & 0x10) == 0x00) {
2386 dev->video_q.curr->top_seen = 1;
2387 goto done;
2388 }
2389 if (!dev->video_q.curr->top_seen)
2390 goto done;
2391 } else if (field == V4L2_FIELD_TOP) {
2392 if ((status & 0x10) != 0x10)
2393 goto done;
2394 } else if (field == V4L2_FIELD_BOTTOM) {
2395 if ((status & 0x10) != 0x00)
2396 goto done;
2397 }
2398 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2399 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2400 }
2401 saa7134_buffer_next(dev,&dev->video_q);
2402
2403 done:
2404 spin_unlock(&dev->slock);
2405 }
2406
2407 /* ----------------------------------------------------------- */
2408 /*
2409 * Local variables:
2410 * c-basic-offset: 8
2411 * End:
2412 */
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