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