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Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb
[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 #include <media/v4l2-common.h>
33
34 /* Include V4L1 specific functions. Should be removed soon */
35 #include <linux/videodev.h>
36
37 /* ------------------------------------------------------------------ */
38
39 static unsigned int video_debug = 0;
40 static unsigned int gbuffers = 8;
41 static unsigned int noninterlaced = 0;
42 static unsigned int gbufsize = 720*576*4;
43 static unsigned int gbufsize_max = 720*576*4;
44 module_param(video_debug, int, 0644);
45 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
46 module_param(gbuffers, int, 0444);
47 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
48 module_param(noninterlaced, int, 0644);
49 MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced");
50
51 #define dprintk(fmt, arg...) if (video_debug) \
52 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
53
54 /* ------------------------------------------------------------------ */
55 /* Defines for Video Output Port Register at address 0x191 */
56
57 /* Bit 0: VIP code T bit polarity */
58
59 #define VP_T_CODE_P_NON_INVERTED 0x00
60 #define VP_T_CODE_P_INVERTED 0x01
61
62 /* ------------------------------------------------------------------ */
63 /* Defines for Video Output Port Register at address 0x195 */
64
65 /* Bit 2: Video output clock delay control */
66
67 #define VP_CLK_CTRL2_NOT_DELAYED 0x00
68 #define VP_CLK_CTRL2_DELAYED 0x04
69
70 /* Bit 1: Video output clock invert control */
71
72 #define VP_CLK_CTRL1_NON_INVERTED 0x00
73 #define VP_CLK_CTRL1_INVERTED 0x02
74
75 /* ------------------------------------------------------------------ */
76 /* Defines for Video Output Port Register at address 0x196 */
77
78 /* Bits 2 to 0: VSYNC pin video vertical sync type */
79
80 #define VP_VS_TYPE_MASK 0x07
81
82 #define VP_VS_TYPE_OFF 0x00
83 #define VP_VS_TYPE_V123 0x01
84 #define VP_VS_TYPE_V_ITU 0x02
85 #define VP_VS_TYPE_VGATE_L 0x03
86 #define VP_VS_TYPE_RESERVED1 0x04
87 #define VP_VS_TYPE_RESERVED2 0x05
88 #define VP_VS_TYPE_F_ITU 0x06
89 #define VP_VS_TYPE_SC_FID 0x07
90
91 /* ------------------------------------------------------------------ */
92 /* data structs for video */
93
94 static int video_out[][9] = {
95 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
96 };
97
98 static struct saa7134_format formats[] = {
99 {
100 .name = "8 bpp gray",
101 .fourcc = V4L2_PIX_FMT_GREY,
102 .depth = 8,
103 .pm = 0x06,
104 },{
105 .name = "15 bpp RGB, le",
106 .fourcc = V4L2_PIX_FMT_RGB555,
107 .depth = 16,
108 .pm = 0x13 | 0x80,
109 },{
110 .name = "15 bpp RGB, be",
111 .fourcc = V4L2_PIX_FMT_RGB555X,
112 .depth = 16,
113 .pm = 0x13 | 0x80,
114 .bswap = 1,
115 },{
116 .name = "16 bpp RGB, le",
117 .fourcc = V4L2_PIX_FMT_RGB565,
118 .depth = 16,
119 .pm = 0x10 | 0x80,
120 },{
121 .name = "16 bpp RGB, be",
122 .fourcc = V4L2_PIX_FMT_RGB565X,
123 .depth = 16,
124 .pm = 0x10 | 0x80,
125 .bswap = 1,
126 },{
127 .name = "24 bpp RGB, le",
128 .fourcc = V4L2_PIX_FMT_BGR24,
129 .depth = 24,
130 .pm = 0x11,
131 },{
132 .name = "24 bpp RGB, be",
133 .fourcc = V4L2_PIX_FMT_RGB24,
134 .depth = 24,
135 .pm = 0x11,
136 .bswap = 1,
137 },{
138 .name = "32 bpp RGB, le",
139 .fourcc = V4L2_PIX_FMT_BGR32,
140 .depth = 32,
141 .pm = 0x12,
142 },{
143 .name = "32 bpp RGB, be",
144 .fourcc = V4L2_PIX_FMT_RGB32,
145 .depth = 32,
146 .pm = 0x12,
147 .bswap = 1,
148 .wswap = 1,
149 },{
150 .name = "4:2:2 packed, YUYV",
151 .fourcc = V4L2_PIX_FMT_YUYV,
152 .depth = 16,
153 .pm = 0x00,
154 .bswap = 1,
155 .yuv = 1,
156 },{
157 .name = "4:2:2 packed, UYVY",
158 .fourcc = V4L2_PIX_FMT_UYVY,
159 .depth = 16,
160 .pm = 0x00,
161 .yuv = 1,
162 },{
163 .name = "4:2:2 planar, Y-Cb-Cr",
164 .fourcc = V4L2_PIX_FMT_YUV422P,
165 .depth = 16,
166 .pm = 0x09,
167 .yuv = 1,
168 .planar = 1,
169 .hshift = 1,
170 .vshift = 0,
171 },{
172 .name = "4:2:0 planar, Y-Cb-Cr",
173 .fourcc = V4L2_PIX_FMT_YUV420,
174 .depth = 12,
175 .pm = 0x0a,
176 .yuv = 1,
177 .planar = 1,
178 .hshift = 1,
179 .vshift = 1,
180 },{
181 .name = "4:2:0 planar, Y-Cb-Cr",
182 .fourcc = V4L2_PIX_FMT_YVU420,
183 .depth = 12,
184 .pm = 0x0a,
185 .yuv = 1,
186 .planar = 1,
187 .uvswap = 1,
188 .hshift = 1,
189 .vshift = 1,
190 }
191 };
192 #define FORMATS ARRAY_SIZE(formats)
193
194 #define NORM_625_50 \
195 .h_start = 0, \
196 .h_stop = 719, \
197 .video_v_start = 24, \
198 .video_v_stop = 311, \
199 .vbi_v_start_0 = 7, \
200 .vbi_v_stop_0 = 22, \
201 .vbi_v_start_1 = 319, \
202 .src_timing = 4
203
204 #define NORM_525_60 \
205 .h_start = 0, \
206 .h_stop = 703, \
207 .video_v_start = 23, \
208 .video_v_stop = 262, \
209 .vbi_v_start_0 = 10, \
210 .vbi_v_stop_0 = 21, \
211 .vbi_v_start_1 = 273, \
212 .src_timing = 7
213
214 static struct saa7134_tvnorm tvnorms[] = {
215 {
216 .name = "PAL", /* autodetect */
217 .id = V4L2_STD_PAL,
218 NORM_625_50,
219
220 .sync_control = 0x18,
221 .luma_control = 0x40,
222 .chroma_ctrl1 = 0x81,
223 .chroma_gain = 0x2a,
224 .chroma_ctrl2 = 0x06,
225 .vgate_misc = 0x1c,
226
227 },{
228 .name = "PAL-BG",
229 .id = V4L2_STD_PAL_BG,
230 NORM_625_50,
231
232 .sync_control = 0x18,
233 .luma_control = 0x40,
234 .chroma_ctrl1 = 0x81,
235 .chroma_gain = 0x2a,
236 .chroma_ctrl2 = 0x06,
237 .vgate_misc = 0x1c,
238
239 },{
240 .name = "PAL-I",
241 .id = V4L2_STD_PAL_I,
242 NORM_625_50,
243
244 .sync_control = 0x18,
245 .luma_control = 0x40,
246 .chroma_ctrl1 = 0x81,
247 .chroma_gain = 0x2a,
248 .chroma_ctrl2 = 0x06,
249 .vgate_misc = 0x1c,
250
251 },{
252 .name = "PAL-DK",
253 .id = V4L2_STD_PAL_DK,
254 NORM_625_50,
255
256 .sync_control = 0x18,
257 .luma_control = 0x40,
258 .chroma_ctrl1 = 0x81,
259 .chroma_gain = 0x2a,
260 .chroma_ctrl2 = 0x06,
261 .vgate_misc = 0x1c,
262
263 },{
264 .name = "NTSC",
265 .id = V4L2_STD_NTSC,
266 NORM_525_60,
267
268 .sync_control = 0x59,
269 .luma_control = 0x40,
270 .chroma_ctrl1 = 0x89,
271 .chroma_gain = 0x2a,
272 .chroma_ctrl2 = 0x0e,
273 .vgate_misc = 0x18,
274
275 },{
276 .name = "SECAM",
277 .id = V4L2_STD_SECAM,
278 NORM_625_50,
279
280 .sync_control = 0x18, /* old: 0x58, */
281 .luma_control = 0x1b,
282 .chroma_ctrl1 = 0xd1,
283 .chroma_gain = 0x80,
284 .chroma_ctrl2 = 0x00,
285 .vgate_misc = 0x1c,
286
287 },{
288 .name = "PAL-M",
289 .id = V4L2_STD_PAL_M,
290 NORM_525_60,
291
292 .sync_control = 0x59,
293 .luma_control = 0x40,
294 .chroma_ctrl1 = 0xb9,
295 .chroma_gain = 0x2a,
296 .chroma_ctrl2 = 0x0e,
297 .vgate_misc = 0x18,
298
299 },{
300 .name = "PAL-Nc",
301 .id = V4L2_STD_PAL_Nc,
302 NORM_625_50,
303
304 .sync_control = 0x18,
305 .luma_control = 0x40,
306 .chroma_ctrl1 = 0xa1,
307 .chroma_gain = 0x2a,
308 .chroma_ctrl2 = 0x06,
309 .vgate_misc = 0x1c,
310
311 },{
312 .name = "PAL-60",
313 .id = V4L2_STD_PAL_60,
314
315 .h_start = 0,
316 .h_stop = 719,
317 .video_v_start = 23,
318 .video_v_stop = 262,
319 .vbi_v_start_0 = 10,
320 .vbi_v_stop_0 = 21,
321 .vbi_v_start_1 = 273,
322 .src_timing = 7,
323
324 .sync_control = 0x18,
325 .luma_control = 0x40,
326 .chroma_ctrl1 = 0x81,
327 .chroma_gain = 0x2a,
328 .chroma_ctrl2 = 0x06,
329 .vgate_misc = 0x1c,
330 }
331 };
332 #define TVNORMS ARRAY_SIZE(tvnorms)
333
334 #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
335 #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
336 #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
337 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
338 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
339
340 static const struct v4l2_queryctrl no_ctrl = {
341 .name = "42",
342 .flags = V4L2_CTRL_FLAG_DISABLED,
343 };
344 static const struct v4l2_queryctrl video_ctrls[] = {
345 /* --- video --- */
346 {
347 .id = V4L2_CID_BRIGHTNESS,
348 .name = "Brightness",
349 .minimum = 0,
350 .maximum = 255,
351 .step = 1,
352 .default_value = 128,
353 .type = V4L2_CTRL_TYPE_INTEGER,
354 },{
355 .id = V4L2_CID_CONTRAST,
356 .name = "Contrast",
357 .minimum = 0,
358 .maximum = 127,
359 .step = 1,
360 .default_value = 68,
361 .type = V4L2_CTRL_TYPE_INTEGER,
362 },{
363 .id = V4L2_CID_SATURATION,
364 .name = "Saturation",
365 .minimum = 0,
366 .maximum = 127,
367 .step = 1,
368 .default_value = 64,
369 .type = V4L2_CTRL_TYPE_INTEGER,
370 },{
371 .id = V4L2_CID_HUE,
372 .name = "Hue",
373 .minimum = -128,
374 .maximum = 127,
375 .step = 1,
376 .default_value = 0,
377 .type = V4L2_CTRL_TYPE_INTEGER,
378 },{
379 .id = V4L2_CID_HFLIP,
380 .name = "Mirror",
381 .minimum = 0,
382 .maximum = 1,
383 .type = V4L2_CTRL_TYPE_BOOLEAN,
384 },
385 /* --- audio --- */
386 {
387 .id = V4L2_CID_AUDIO_MUTE,
388 .name = "Mute",
389 .minimum = 0,
390 .maximum = 1,
391 .type = V4L2_CTRL_TYPE_BOOLEAN,
392 },{
393 .id = V4L2_CID_AUDIO_VOLUME,
394 .name = "Volume",
395 .minimum = -15,
396 .maximum = 15,
397 .step = 1,
398 .default_value = 0,
399 .type = V4L2_CTRL_TYPE_INTEGER,
400 },
401 /* --- private --- */
402 {
403 .id = V4L2_CID_PRIVATE_INVERT,
404 .name = "Invert",
405 .minimum = 0,
406 .maximum = 1,
407 .type = V4L2_CTRL_TYPE_BOOLEAN,
408 },{
409 .id = V4L2_CID_PRIVATE_Y_ODD,
410 .name = "y offset odd field",
411 .minimum = 0,
412 .maximum = 128,
413 .default_value = 0,
414 .type = V4L2_CTRL_TYPE_INTEGER,
415 },{
416 .id = V4L2_CID_PRIVATE_Y_EVEN,
417 .name = "y offset even field",
418 .minimum = 0,
419 .maximum = 128,
420 .default_value = 0,
421 .type = V4L2_CTRL_TYPE_INTEGER,
422 },{
423 .id = V4L2_CID_PRIVATE_AUTOMUTE,
424 .name = "automute",
425 .minimum = 0,
426 .maximum = 1,
427 .default_value = 1,
428 .type = V4L2_CTRL_TYPE_BOOLEAN,
429 }
430 };
431 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
432
433 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
434 {
435 unsigned int i;
436
437 for (i = 0; i < CTRLS; i++)
438 if (video_ctrls[i].id == id)
439 return video_ctrls+i;
440 return NULL;
441 }
442
443 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
444 {
445 unsigned int i;
446
447 for (i = 0; i < FORMATS; i++)
448 if (formats[i].fourcc == fourcc)
449 return formats+i;
450 return NULL;
451 }
452
453 /* ----------------------------------------------------------------------- */
454 /* resource management */
455
456 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
457 {
458 if (fh->resources & bit)
459 /* have it already allocated */
460 return 1;
461
462 /* is it free? */
463 down(&dev->lock);
464 if (dev->resources & bit) {
465 /* no, someone else uses it */
466 up(&dev->lock);
467 return 0;
468 }
469 /* it's free, grab it */
470 fh->resources |= bit;
471 dev->resources |= bit;
472 dprintk("res: get %d\n",bit);
473 up(&dev->lock);
474 return 1;
475 }
476
477 static
478 int res_check(struct saa7134_fh *fh, unsigned int bit)
479 {
480 return (fh->resources & bit);
481 }
482
483 static
484 int res_locked(struct saa7134_dev *dev, unsigned int bit)
485 {
486 return (dev->resources & bit);
487 }
488
489 static
490 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
491 {
492 if ((fh->resources & bits) != bits)
493 BUG();
494
495 down(&dev->lock);
496 fh->resources &= ~bits;
497 dev->resources &= ~bits;
498 dprintk("res: put %d\n",bits);
499 up(&dev->lock);
500 }
501
502 /* ------------------------------------------------------------------ */
503
504 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
505 {
506 int luma_control,sync_control,mux;
507
508 dprintk("set tv norm = %s\n",norm->name);
509 dev->tvnorm = norm;
510
511 mux = card_in(dev,dev->ctl_input).vmux;
512 luma_control = norm->luma_control;
513 sync_control = norm->sync_control;
514
515 if (mux > 5)
516 luma_control |= 0x80; /* svideo */
517 if (noninterlaced || dev->nosignal)
518 sync_control |= 0x20;
519
520 /* setup cropping */
521 dev->crop_bounds.left = norm->h_start;
522 dev->crop_defrect.left = norm->h_start;
523 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
524 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
525
526 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
527 dev->crop_defrect.top = norm->video_v_start*2;
528 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
529 - dev->crop_bounds.top;
530 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
531
532 dev->crop_current = dev->crop_defrect;
533
534 /* setup video decoder */
535 saa_writeb(SAA7134_INCR_DELAY, 0x08);
536 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
537 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
538
539 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
540 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
541 saa_writeb(SAA7134_HSYNC_START, 0xeb);
542 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
543 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
544
545 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
546 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
547 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
548 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, dev->ctl_contrast);
549
550 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
551 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
552 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
553 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
554
555 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
556 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
557
558 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
559 saa_writeb(SAA7134_VGATE_START, 0x11);
560 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
561 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
562 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
563 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
564
565 saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
566 }
567
568 static void video_mux(struct saa7134_dev *dev, int input)
569 {
570 dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
571 dev->ctl_input = input;
572 set_tvnorm(dev,dev->tvnorm);
573 saa7134_tvaudio_setinput(dev,&card_in(dev,input));
574 }
575
576 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
577 {
578 static const struct {
579 int xpsc;
580 int xacl;
581 int xc2_1;
582 int xdcg;
583 int vpfy;
584 } vals[] = {
585 /* XPSC XACL XC2_1 XDCG VPFY */
586 { 1, 0, 0, 0, 0 },
587 { 2, 2, 1, 2, 2 },
588 { 3, 4, 1, 3, 2 },
589 { 4, 8, 1, 4, 2 },
590 { 5, 8, 1, 4, 2 },
591 { 6, 8, 1, 4, 3 },
592 { 7, 8, 1, 4, 3 },
593 { 8, 15, 0, 4, 3 },
594 { 9, 15, 0, 4, 3 },
595 { 10, 16, 1, 5, 3 },
596 };
597 static const int count = ARRAY_SIZE(vals);
598 int i;
599
600 for (i = 0; i < count; i++)
601 if (vals[i].xpsc == prescale)
602 break;
603 if (i == count)
604 return;
605
606 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
607 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
608 saa_writeb(SAA7134_LEVEL_CTRL(task),
609 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
610 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
611 (vals[i].vpfy << 2) | vals[i].vpfy);
612 }
613
614 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
615 {
616 int val,mirror;
617
618 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
619 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
620
621 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
622 if (yscale < 2048) {
623 /* LPI */
624 dprintk("yscale LPI yscale=%d\n",yscale);
625 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
626 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
627 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
628 } else {
629 /* ACM */
630 val = 0x40 * 1024 / yscale;
631 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
632 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
633 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
634 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
635 }
636 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
637 }
638
639 static void set_size(struct saa7134_dev *dev, int task,
640 int width, int height, int interlace)
641 {
642 int prescale,xscale,yscale,y_even,y_odd;
643 int h_start, h_stop, v_start, v_stop;
644 int div = interlace ? 2 : 1;
645
646 /* setup video scaler */
647 h_start = dev->crop_current.left;
648 v_start = dev->crop_current.top/2;
649 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
650 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
651
652 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
653 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
654 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
655 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
656 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
657 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
658 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
659 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
660
661 prescale = dev->crop_current.width / width;
662 if (0 == prescale)
663 prescale = 1;
664 xscale = 1024 * dev->crop_current.width / prescale / width;
665 yscale = 512 * div * dev->crop_current.height / height;
666 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
667 set_h_prescale(dev,task,prescale);
668 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
669 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
670 set_v_scale(dev,task,yscale);
671
672 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
673 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
674 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
675 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
676
677 /* deinterlace y offsets */
678 y_odd = dev->ctl_y_odd;
679 y_even = dev->ctl_y_even;
680 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
681 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
682 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
683 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
684 }
685
686 /* ------------------------------------------------------------------ */
687
688 struct cliplist {
689 __u16 position;
690 __u8 enable;
691 __u8 disable;
692 };
693
694 static void sort_cliplist(struct cliplist *cl, int entries)
695 {
696 struct cliplist swap;
697 int i,j,n;
698
699 for (i = entries-2; i >= 0; i--) {
700 for (n = 0, j = 0; j <= i; j++) {
701 if (cl[j].position > cl[j+1].position) {
702 swap = cl[j];
703 cl[j] = cl[j+1];
704 cl[j+1] = swap;
705 n++;
706 }
707 }
708 if (0 == n)
709 break;
710 }
711 }
712
713 static void set_cliplist(struct saa7134_dev *dev, int reg,
714 struct cliplist *cl, int entries, char *name)
715 {
716 __u8 winbits = 0;
717 int i;
718
719 for (i = 0; i < entries; i++) {
720 winbits |= cl[i].enable;
721 winbits &= ~cl[i].disable;
722 if (i < 15 && cl[i].position == cl[i+1].position)
723 continue;
724 saa_writeb(reg + 0, winbits);
725 saa_writeb(reg + 2, cl[i].position & 0xff);
726 saa_writeb(reg + 3, cl[i].position >> 8);
727 dprintk("clip: %s winbits=%02x pos=%d\n",
728 name,winbits,cl[i].position);
729 reg += 8;
730 }
731 for (; reg < 0x400; reg += 8) {
732 saa_writeb(reg+ 0, 0);
733 saa_writeb(reg + 1, 0);
734 saa_writeb(reg + 2, 0);
735 saa_writeb(reg + 3, 0);
736 }
737 }
738
739 static int clip_range(int val)
740 {
741 if (val < 0)
742 val = 0;
743 return val;
744 }
745
746 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
747 int nclips, int interlace)
748 {
749 struct cliplist col[16], row[16];
750 int cols, rows, i;
751 int div = interlace ? 2 : 1;
752
753 memset(col,0,sizeof(col)); cols = 0;
754 memset(row,0,sizeof(row)); rows = 0;
755 for (i = 0; i < nclips && i < 8; i++) {
756 col[cols].position = clip_range(clips[i].c.left);
757 col[cols].enable = (1 << i);
758 cols++;
759 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
760 col[cols].disable = (1 << i);
761 cols++;
762 row[rows].position = clip_range(clips[i].c.top / div);
763 row[rows].enable = (1 << i);
764 rows++;
765 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
766 / div);
767 row[rows].disable = (1 << i);
768 rows++;
769 }
770 sort_cliplist(col,cols);
771 sort_cliplist(row,rows);
772 set_cliplist(dev,0x380,col,cols,"cols");
773 set_cliplist(dev,0x384,row,rows,"rows");
774 return 0;
775 }
776
777 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
778 {
779 enum v4l2_field field;
780 int maxw, maxh;
781
782 if (NULL == dev->ovbuf.base)
783 return -EINVAL;
784 if (NULL == dev->ovfmt)
785 return -EINVAL;
786 if (win->w.width < 48 || win->w.height < 32)
787 return -EINVAL;
788 if (win->clipcount > 2048)
789 return -EINVAL;
790
791 field = win->field;
792 maxw = dev->crop_current.width;
793 maxh = dev->crop_current.height;
794
795 if (V4L2_FIELD_ANY == field) {
796 field = (win->w.height > maxh/2)
797 ? V4L2_FIELD_INTERLACED
798 : V4L2_FIELD_TOP;
799 }
800 switch (field) {
801 case V4L2_FIELD_TOP:
802 case V4L2_FIELD_BOTTOM:
803 maxh = maxh / 2;
804 break;
805 case V4L2_FIELD_INTERLACED:
806 break;
807 default:
808 return -EINVAL;
809 }
810
811 win->field = field;
812 if (win->w.width > maxw)
813 win->w.width = maxw;
814 if (win->w.height > maxh)
815 win->w.height = maxh;
816 return 0;
817 }
818
819 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
820 {
821 unsigned long base,control,bpl;
822 int err;
823
824 err = verify_preview(dev,&fh->win);
825 if (0 != err)
826 return err;
827
828 dev->ovfield = fh->win.field;
829 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
830 fh->win.w.width,fh->win.w.height,
831 fh->win.w.left,fh->win.w.top,
832 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
833
834 /* setup window + clipping */
835 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
836 V4L2_FIELD_HAS_BOTH(dev->ovfield));
837 setup_clipping(dev,fh->clips,fh->nclips,
838 V4L2_FIELD_HAS_BOTH(dev->ovfield));
839 if (dev->ovfmt->yuv)
840 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
841 else
842 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
843 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
844
845 /* dma: setup channel 1 (= Video Task B) */
846 base = (unsigned long)dev->ovbuf.base;
847 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
848 base += dev->ovfmt->depth/8 * fh->win.w.left;
849 bpl = dev->ovbuf.fmt.bytesperline;
850 control = SAA7134_RS_CONTROL_BURST_16;
851 if (dev->ovfmt->bswap)
852 control |= SAA7134_RS_CONTROL_BSWAP;
853 if (dev->ovfmt->wswap)
854 control |= SAA7134_RS_CONTROL_WSWAP;
855 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
856 saa_writel(SAA7134_RS_BA1(1),base);
857 saa_writel(SAA7134_RS_BA2(1),base+bpl);
858 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
859 saa_writel(SAA7134_RS_CONTROL(1),control);
860 } else {
861 saa_writel(SAA7134_RS_BA1(1),base);
862 saa_writel(SAA7134_RS_BA2(1),base);
863 saa_writel(SAA7134_RS_PITCH(1),bpl);
864 saa_writel(SAA7134_RS_CONTROL(1),control);
865 }
866
867 /* start dma */
868 dev->ovenable = 1;
869 saa7134_set_dmabits(dev);
870
871 return 0;
872 }
873
874 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
875 {
876 dev->ovenable = 0;
877 saa7134_set_dmabits(dev);
878 return 0;
879 }
880
881 /* ------------------------------------------------------------------ */
882
883 static int buffer_activate(struct saa7134_dev *dev,
884 struct saa7134_buf *buf,
885 struct saa7134_buf *next)
886 {
887 unsigned long base,control,bpl;
888 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
889
890 dprintk("buffer_activate buf=%p\n",buf);
891 buf->vb.state = STATE_ACTIVE;
892 buf->top_seen = 0;
893
894 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
895 V4L2_FIELD_HAS_BOTH(buf->vb.field));
896 if (buf->fmt->yuv)
897 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
898 else
899 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
900 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
901
902 /* DMA: setup channel 0 (= Video Task A0) */
903 base = saa7134_buffer_base(buf);
904 if (buf->fmt->planar)
905 bpl = buf->vb.width;
906 else
907 bpl = (buf->vb.width * buf->fmt->depth) / 8;
908 control = SAA7134_RS_CONTROL_BURST_16 |
909 SAA7134_RS_CONTROL_ME |
910 (buf->pt->dma >> 12);
911 if (buf->fmt->bswap)
912 control |= SAA7134_RS_CONTROL_BSWAP;
913 if (buf->fmt->wswap)
914 control |= SAA7134_RS_CONTROL_WSWAP;
915 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
916 /* interlaced */
917 saa_writel(SAA7134_RS_BA1(0),base);
918 saa_writel(SAA7134_RS_BA2(0),base+bpl);
919 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
920 } else {
921 /* non-interlaced */
922 saa_writel(SAA7134_RS_BA1(0),base);
923 saa_writel(SAA7134_RS_BA2(0),base);
924 saa_writel(SAA7134_RS_PITCH(0),bpl);
925 }
926 saa_writel(SAA7134_RS_CONTROL(0),control);
927
928 if (buf->fmt->planar) {
929 /* DMA: setup channel 4+5 (= planar task A) */
930 bpl_uv = bpl >> buf->fmt->hshift;
931 lines_uv = buf->vb.height >> buf->fmt->vshift;
932 base2 = base + bpl * buf->vb.height;
933 base3 = base2 + bpl_uv * lines_uv;
934 if (buf->fmt->uvswap)
935 tmp = base2, base2 = base3, base3 = tmp;
936 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
937 bpl_uv,lines_uv,base2,base3);
938 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
939 /* interlaced */
940 saa_writel(SAA7134_RS_BA1(4),base2);
941 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
942 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
943 saa_writel(SAA7134_RS_BA1(5),base3);
944 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
945 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
946 } else {
947 /* non-interlaced */
948 saa_writel(SAA7134_RS_BA1(4),base2);
949 saa_writel(SAA7134_RS_BA2(4),base2);
950 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
951 saa_writel(SAA7134_RS_BA1(5),base3);
952 saa_writel(SAA7134_RS_BA2(5),base3);
953 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
954 }
955 saa_writel(SAA7134_RS_CONTROL(4),control);
956 saa_writel(SAA7134_RS_CONTROL(5),control);
957 }
958
959 /* start DMA */
960 saa7134_set_dmabits(dev);
961 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
962 return 0;
963 }
964
965 static int buffer_prepare(struct videobuf_queue *q,
966 struct videobuf_buffer *vb,
967 enum v4l2_field field)
968 {
969 struct saa7134_fh *fh = q->priv_data;
970 struct saa7134_dev *dev = fh->dev;
971 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
972 unsigned int size;
973 int err;
974
975 /* sanity checks */
976 if (NULL == fh->fmt)
977 return -EINVAL;
978 if (fh->width < 48 ||
979 fh->height < 32 ||
980 fh->width/4 > dev->crop_current.width ||
981 fh->height/4 > dev->crop_current.height ||
982 fh->width > dev->crop_bounds.width ||
983 fh->height > dev->crop_bounds.height)
984 return -EINVAL;
985 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
986 if (0 != buf->vb.baddr && buf->vb.bsize < size)
987 return -EINVAL;
988
989 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
990 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
991 fh->fmt->name);
992 if (buf->vb.width != fh->width ||
993 buf->vb.height != fh->height ||
994 buf->vb.size != size ||
995 buf->vb.field != field ||
996 buf->fmt != fh->fmt) {
997 saa7134_dma_free(dev,buf);
998 }
999
1000 if (STATE_NEEDS_INIT == buf->vb.state) {
1001 buf->vb.width = fh->width;
1002 buf->vb.height = fh->height;
1003 buf->vb.size = size;
1004 buf->vb.field = field;
1005 buf->fmt = fh->fmt;
1006 buf->pt = &fh->pt_cap;
1007
1008 err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf);
1009 if (err)
1010 goto oops;
1011 err = saa7134_pgtable_build(dev->pci,buf->pt,
1012 buf->vb.dma.sglist,
1013 buf->vb.dma.sglen,
1014 saa7134_buffer_startpage(buf));
1015 if (err)
1016 goto oops;
1017 }
1018 buf->vb.state = STATE_PREPARED;
1019 buf->activate = buffer_activate;
1020 return 0;
1021
1022 oops:
1023 saa7134_dma_free(dev,buf);
1024 return err;
1025 }
1026
1027 static int
1028 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1029 {
1030 struct saa7134_fh *fh = q->priv_data;
1031
1032 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1033 if (0 == *count)
1034 *count = gbuffers;
1035 *count = saa7134_buffer_count(*size,*count);
1036 return 0;
1037 }
1038
1039 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1040 {
1041 struct saa7134_fh *fh = q->priv_data;
1042 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1043
1044 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1045 }
1046
1047 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1048 {
1049 struct saa7134_fh *fh = q->priv_data;
1050 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1051
1052 saa7134_dma_free(fh->dev,buf);
1053 }
1054
1055 static struct videobuf_queue_ops video_qops = {
1056 .buf_setup = buffer_setup,
1057 .buf_prepare = buffer_prepare,
1058 .buf_queue = buffer_queue,
1059 .buf_release = buffer_release,
1060 };
1061
1062 /* ------------------------------------------------------------------ */
1063
1064 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1065 {
1066 const struct v4l2_queryctrl* ctrl;
1067
1068 ctrl = ctrl_by_id(c->id);
1069 if (NULL == ctrl)
1070 return -EINVAL;
1071 switch (c->id) {
1072 case V4L2_CID_BRIGHTNESS:
1073 c->value = dev->ctl_bright;
1074 break;
1075 case V4L2_CID_HUE:
1076 c->value = dev->ctl_hue;
1077 break;
1078 case V4L2_CID_CONTRAST:
1079 c->value = dev->ctl_contrast;
1080 break;
1081 case V4L2_CID_SATURATION:
1082 c->value = dev->ctl_saturation;
1083 break;
1084 case V4L2_CID_AUDIO_MUTE:
1085 c->value = dev->ctl_mute;
1086 break;
1087 case V4L2_CID_AUDIO_VOLUME:
1088 c->value = dev->ctl_volume;
1089 break;
1090 case V4L2_CID_PRIVATE_INVERT:
1091 c->value = dev->ctl_invert;
1092 break;
1093 case V4L2_CID_HFLIP:
1094 c->value = dev->ctl_mirror;
1095 break;
1096 case V4L2_CID_PRIVATE_Y_EVEN:
1097 c->value = dev->ctl_y_even;
1098 break;
1099 case V4L2_CID_PRIVATE_Y_ODD:
1100 c->value = dev->ctl_y_odd;
1101 break;
1102 case V4L2_CID_PRIVATE_AUTOMUTE:
1103 c->value = dev->ctl_automute;
1104 break;
1105 default:
1106 return -EINVAL;
1107 }
1108 return 0;
1109 }
1110
1111 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1112 struct v4l2_control *c)
1113 {
1114 const struct v4l2_queryctrl* ctrl;
1115 unsigned long flags;
1116 int restart_overlay = 0;
1117
1118 ctrl = ctrl_by_id(c->id);
1119 if (NULL == ctrl)
1120 return -EINVAL;
1121 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1122 switch (ctrl->type) {
1123 case V4L2_CTRL_TYPE_BOOLEAN:
1124 case V4L2_CTRL_TYPE_MENU:
1125 case V4L2_CTRL_TYPE_INTEGER:
1126 if (c->value < ctrl->minimum)
1127 c->value = ctrl->minimum;
1128 if (c->value > ctrl->maximum)
1129 c->value = ctrl->maximum;
1130 break;
1131 default:
1132 /* nothing */;
1133 };
1134 switch (c->id) {
1135 case V4L2_CID_BRIGHTNESS:
1136 dev->ctl_bright = c->value;
1137 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1138 break;
1139 case V4L2_CID_HUE:
1140 dev->ctl_hue = c->value;
1141 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1142 break;
1143 case V4L2_CID_CONTRAST:
1144 dev->ctl_contrast = c->value;
1145 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1146 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1147 break;
1148 case V4L2_CID_SATURATION:
1149 dev->ctl_saturation = c->value;
1150 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1151 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1152 break;
1153 case V4L2_CID_AUDIO_MUTE:
1154 dev->ctl_mute = c->value;
1155 saa7134_tvaudio_setmute(dev);
1156 break;
1157 case V4L2_CID_AUDIO_VOLUME:
1158 dev->ctl_volume = c->value;
1159 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1160 break;
1161 case V4L2_CID_PRIVATE_INVERT:
1162 dev->ctl_invert = c->value;
1163 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1164 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1165 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1166 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1167 break;
1168 case V4L2_CID_HFLIP:
1169 dev->ctl_mirror = c->value;
1170 restart_overlay = 1;
1171 break;
1172 case V4L2_CID_PRIVATE_Y_EVEN:
1173 dev->ctl_y_even = c->value;
1174 restart_overlay = 1;
1175 break;
1176 case V4L2_CID_PRIVATE_Y_ODD:
1177 dev->ctl_y_odd = c->value;
1178 restart_overlay = 1;
1179 break;
1180 case V4L2_CID_PRIVATE_AUTOMUTE:
1181 dev->ctl_automute = c->value;
1182 if (dev->tda9887_conf) {
1183 if (dev->ctl_automute)
1184 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1185 else
1186 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1187 saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1188 &dev->tda9887_conf);
1189 }
1190 break;
1191 default:
1192 return -EINVAL;
1193 }
1194 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1195 spin_lock_irqsave(&dev->slock,flags);
1196 stop_preview(dev,fh);
1197 start_preview(dev,fh);
1198 spin_unlock_irqrestore(&dev->slock,flags);
1199 }
1200 return 0;
1201 }
1202
1203 /* ------------------------------------------------------------------ */
1204
1205 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1206 {
1207 struct videobuf_queue* q = NULL;
1208
1209 switch (fh->type) {
1210 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1211 q = &fh->cap;
1212 break;
1213 case V4L2_BUF_TYPE_VBI_CAPTURE:
1214 q = &fh->vbi;
1215 break;
1216 default:
1217 BUG();
1218 }
1219 return q;
1220 }
1221
1222 static int saa7134_resource(struct saa7134_fh *fh)
1223 {
1224 int res = 0;
1225
1226 switch (fh->type) {
1227 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1228 res = RESOURCE_VIDEO;
1229 break;
1230 case V4L2_BUF_TYPE_VBI_CAPTURE:
1231 res = RESOURCE_VBI;
1232 break;
1233 default:
1234 BUG();
1235 }
1236 return res;
1237 }
1238
1239 static int video_open(struct inode *inode, struct file *file)
1240 {
1241 int minor = iminor(inode);
1242 struct saa7134_dev *h,*dev = NULL;
1243 struct saa7134_fh *fh;
1244 struct list_head *list;
1245 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1246 int radio = 0;
1247 list_for_each(list,&saa7134_devlist) {
1248 h = list_entry(list, struct saa7134_dev, devlist);
1249 if (h->video_dev && (h->video_dev->minor == minor))
1250 dev = h;
1251 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1252 radio = 1;
1253 dev = h;
1254 }
1255 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1256 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1257 dev = h;
1258 }
1259 }
1260 if (NULL == dev)
1261 return -ENODEV;
1262
1263 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1264 v4l2_type_names[type]);
1265
1266 /* allocate + initialize per filehandle data */
1267 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1268 if (NULL == fh)
1269 return -ENOMEM;
1270 file->private_data = fh;
1271 fh->dev = dev;
1272 fh->radio = radio;
1273 fh->type = type;
1274 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1275 fh->width = 720;
1276 fh->height = 576;
1277 v4l2_prio_open(&dev->prio,&fh->prio);
1278
1279 videobuf_queue_init(&fh->cap, &video_qops,
1280 dev->pci, &dev->slock,
1281 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1282 V4L2_FIELD_INTERLACED,
1283 sizeof(struct saa7134_buf),
1284 fh);
1285 videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1286 dev->pci, &dev->slock,
1287 V4L2_BUF_TYPE_VBI_CAPTURE,
1288 V4L2_FIELD_SEQ_TB,
1289 sizeof(struct saa7134_buf),
1290 fh);
1291 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1292 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1293
1294 if (fh->radio) {
1295 /* switch to radio mode */
1296 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1297 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1298 } else {
1299 /* switch to video/vbi mode */
1300 video_mux(dev,dev->ctl_input);
1301 }
1302 return 0;
1303 }
1304
1305 static ssize_t
1306 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1307 {
1308 struct saa7134_fh *fh = file->private_data;
1309
1310 switch (fh->type) {
1311 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1312 if (res_locked(fh->dev,RESOURCE_VIDEO))
1313 return -EBUSY;
1314 return videobuf_read_one(saa7134_queue(fh),
1315 data, count, ppos,
1316 file->f_flags & O_NONBLOCK);
1317 case V4L2_BUF_TYPE_VBI_CAPTURE:
1318 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1319 return -EBUSY;
1320 return videobuf_read_stream(saa7134_queue(fh),
1321 data, count, ppos, 1,
1322 file->f_flags & O_NONBLOCK);
1323 break;
1324 default:
1325 BUG();
1326 return 0;
1327 }
1328 }
1329
1330 static unsigned int
1331 video_poll(struct file *file, struct poll_table_struct *wait)
1332 {
1333 struct saa7134_fh *fh = file->private_data;
1334 struct videobuf_buffer *buf = NULL;
1335
1336 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1337 return videobuf_poll_stream(file, &fh->vbi, wait);
1338
1339 if (res_check(fh,RESOURCE_VIDEO)) {
1340 if (!list_empty(&fh->cap.stream))
1341 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1342 } else {
1343 down(&fh->cap.lock);
1344 if (UNSET == fh->cap.read_off) {
1345 /* need to capture a new frame */
1346 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1347 up(&fh->cap.lock);
1348 return POLLERR;
1349 }
1350 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1351 up(&fh->cap.lock);
1352 return POLLERR;
1353 }
1354 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1355 fh->cap.read_off = 0;
1356 }
1357 up(&fh->cap.lock);
1358 buf = fh->cap.read_buf;
1359 }
1360
1361 if (!buf)
1362 return POLLERR;
1363
1364 poll_wait(file, &buf->done, wait);
1365 if (buf->state == STATE_DONE ||
1366 buf->state == STATE_ERROR)
1367 return POLLIN|POLLRDNORM;
1368 return 0;
1369 }
1370
1371 static int video_release(struct inode *inode, struct file *file)
1372 {
1373 struct saa7134_fh *fh = file->private_data;
1374 struct saa7134_dev *dev = fh->dev;
1375 unsigned long flags;
1376
1377 /* turn off overlay */
1378 if (res_check(fh, RESOURCE_OVERLAY)) {
1379 spin_lock_irqsave(&dev->slock,flags);
1380 stop_preview(dev,fh);
1381 spin_unlock_irqrestore(&dev->slock,flags);
1382 res_free(dev,fh,RESOURCE_OVERLAY);
1383 }
1384
1385 /* stop video capture */
1386 if (res_check(fh, RESOURCE_VIDEO)) {
1387 videobuf_streamoff(&fh->cap);
1388 res_free(dev,fh,RESOURCE_VIDEO);
1389 }
1390 if (fh->cap.read_buf) {
1391 buffer_release(&fh->cap,fh->cap.read_buf);
1392 kfree(fh->cap.read_buf);
1393 }
1394
1395 /* stop vbi capture */
1396 if (res_check(fh, RESOURCE_VBI)) {
1397 if (fh->vbi.streaming)
1398 videobuf_streamoff(&fh->vbi);
1399 if (fh->vbi.reading)
1400 videobuf_read_stop(&fh->vbi);
1401 res_free(dev,fh,RESOURCE_VBI);
1402 }
1403
1404 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1405 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1406 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1407 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1408 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1409
1410 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1411
1412 /* free stuff */
1413 videobuf_mmap_free(&fh->cap);
1414 videobuf_mmap_free(&fh->vbi);
1415 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1416 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1417
1418 v4l2_prio_close(&dev->prio,&fh->prio);
1419 file->private_data = NULL;
1420 kfree(fh);
1421 return 0;
1422 }
1423
1424 static int
1425 video_mmap(struct file *file, struct vm_area_struct * vma)
1426 {
1427 struct saa7134_fh *fh = file->private_data;
1428
1429 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1430 }
1431
1432 /* ------------------------------------------------------------------ */
1433
1434 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1435 {
1436 struct saa7134_tvnorm *norm = dev->tvnorm;
1437
1438 f->fmt.vbi.sampling_rate = 6750000 * 4;
1439 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1440 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1441 f->fmt.vbi.offset = 64 * 4;
1442 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1443 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1444 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1445 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1446 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1447
1448 }
1449
1450 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1451 struct v4l2_format *f)
1452 {
1453 switch (f->type) {
1454 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1455 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1456 f->fmt.pix.width = fh->width;
1457 f->fmt.pix.height = fh->height;
1458 f->fmt.pix.field = fh->cap.field;
1459 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1460 f->fmt.pix.bytesperline =
1461 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1462 f->fmt.pix.sizeimage =
1463 f->fmt.pix.height * f->fmt.pix.bytesperline;
1464 return 0;
1465 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1466 f->fmt.win = fh->win;
1467 return 0;
1468 case V4L2_BUF_TYPE_VBI_CAPTURE:
1469 saa7134_vbi_fmt(dev,f);
1470 return 0;
1471 default:
1472 return -EINVAL;
1473 }
1474 }
1475
1476 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1477 struct v4l2_format *f)
1478 {
1479 int err;
1480
1481 switch (f->type) {
1482 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1483 {
1484 struct saa7134_format *fmt;
1485 enum v4l2_field field;
1486 unsigned int maxw, maxh;
1487
1488 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1489 if (NULL == fmt)
1490 return -EINVAL;
1491
1492 field = f->fmt.pix.field;
1493 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1494 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1495
1496 if (V4L2_FIELD_ANY == field) {
1497 field = (f->fmt.pix.height > maxh/2)
1498 ? V4L2_FIELD_INTERLACED
1499 : V4L2_FIELD_BOTTOM;
1500 }
1501 switch (field) {
1502 case V4L2_FIELD_TOP:
1503 case V4L2_FIELD_BOTTOM:
1504 maxh = maxh / 2;
1505 break;
1506 case V4L2_FIELD_INTERLACED:
1507 break;
1508 default:
1509 return -EINVAL;
1510 }
1511
1512 f->fmt.pix.field = field;
1513 if (f->fmt.pix.width < 48)
1514 f->fmt.pix.width = 48;
1515 if (f->fmt.pix.height < 32)
1516 f->fmt.pix.height = 32;
1517 if (f->fmt.pix.width > maxw)
1518 f->fmt.pix.width = maxw;
1519 if (f->fmt.pix.height > maxh)
1520 f->fmt.pix.height = maxh;
1521 f->fmt.pix.width &= ~0x03;
1522 f->fmt.pix.bytesperline =
1523 (f->fmt.pix.width * fmt->depth) >> 3;
1524 f->fmt.pix.sizeimage =
1525 f->fmt.pix.height * f->fmt.pix.bytesperline;
1526
1527 return 0;
1528 }
1529 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1530 err = verify_preview(dev,&f->fmt.win);
1531 if (0 != err)
1532 return err;
1533 return 0;
1534 case V4L2_BUF_TYPE_VBI_CAPTURE:
1535 saa7134_vbi_fmt(dev,f);
1536 return 0;
1537 default:
1538 return -EINVAL;
1539 }
1540 }
1541
1542 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1543 struct v4l2_format *f)
1544 {
1545 unsigned long flags;
1546 int err;
1547
1548 switch (f->type) {
1549 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1550 err = saa7134_try_fmt(dev,fh,f);
1551 if (0 != err)
1552 return err;
1553
1554 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1555 fh->width = f->fmt.pix.width;
1556 fh->height = f->fmt.pix.height;
1557 fh->cap.field = f->fmt.pix.field;
1558 return 0;
1559 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1560 err = verify_preview(dev,&f->fmt.win);
1561 if (0 != err)
1562 return err;
1563
1564 down(&dev->lock);
1565 fh->win = f->fmt.win;
1566 fh->nclips = f->fmt.win.clipcount;
1567 if (fh->nclips > 8)
1568 fh->nclips = 8;
1569 if (copy_from_user(fh->clips,f->fmt.win.clips,
1570 sizeof(struct v4l2_clip)*fh->nclips)) {
1571 up(&dev->lock);
1572 return -EFAULT;
1573 }
1574
1575 if (res_check(fh, RESOURCE_OVERLAY)) {
1576 spin_lock_irqsave(&dev->slock,flags);
1577 stop_preview(dev,fh);
1578 start_preview(dev,fh);
1579 spin_unlock_irqrestore(&dev->slock,flags);
1580 }
1581 up(&dev->lock);
1582 return 0;
1583 case V4L2_BUF_TYPE_VBI_CAPTURE:
1584 saa7134_vbi_fmt(dev,f);
1585 return 0;
1586 default:
1587 return -EINVAL;
1588 }
1589 }
1590
1591 int saa7134_common_ioctl(struct saa7134_dev *dev,
1592 unsigned int cmd, void *arg)
1593 {
1594 int err;
1595
1596 switch (cmd) {
1597 case VIDIOC_QUERYCTRL:
1598 {
1599 const struct v4l2_queryctrl *ctrl;
1600 struct v4l2_queryctrl *c = arg;
1601
1602 if ((c->id < V4L2_CID_BASE ||
1603 c->id >= V4L2_CID_LASTP1) &&
1604 (c->id < V4L2_CID_PRIVATE_BASE ||
1605 c->id >= V4L2_CID_PRIVATE_LASTP1))
1606 return -EINVAL;
1607 ctrl = ctrl_by_id(c->id);
1608 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1609 return 0;
1610 }
1611 case VIDIOC_G_CTRL:
1612 return get_control(dev,arg);
1613 case VIDIOC_S_CTRL:
1614 {
1615 down(&dev->lock);
1616 err = set_control(dev,NULL,arg);
1617 up(&dev->lock);
1618 return err;
1619 }
1620 /* --- input switching --------------------------------------- */
1621 case VIDIOC_ENUMINPUT:
1622 {
1623 struct v4l2_input *i = arg;
1624 unsigned int n;
1625
1626 n = i->index;
1627 if (n >= SAA7134_INPUT_MAX)
1628 return -EINVAL;
1629 if (NULL == card_in(dev,i->index).name)
1630 return -EINVAL;
1631 memset(i,0,sizeof(*i));
1632 i->index = n;
1633 i->type = V4L2_INPUT_TYPE_CAMERA;
1634 strcpy(i->name,card_in(dev,n).name);
1635 if (card_in(dev,n).tv)
1636 i->type = V4L2_INPUT_TYPE_TUNER;
1637 i->audioset = 1;
1638 if (n == dev->ctl_input) {
1639 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1640 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1641
1642 if (0 != (v1 & 0x40))
1643 i->status |= V4L2_IN_ST_NO_H_LOCK;
1644 if (0 != (v2 & 0x40))
1645 i->status |= V4L2_IN_ST_NO_SYNC;
1646 if (0 != (v2 & 0x0e))
1647 i->status |= V4L2_IN_ST_MACROVISION;
1648 }
1649 for (n = 0; n < TVNORMS; n++)
1650 i->std |= tvnorms[n].id;
1651 return 0;
1652 }
1653 case VIDIOC_G_INPUT:
1654 {
1655 int *i = arg;
1656 *i = dev->ctl_input;
1657 return 0;
1658 }
1659 case VIDIOC_S_INPUT:
1660 {
1661 int *i = arg;
1662
1663 if (*i < 0 || *i >= SAA7134_INPUT_MAX)
1664 return -EINVAL;
1665 if (NULL == card_in(dev,*i).name)
1666 return -EINVAL;
1667 down(&dev->lock);
1668 video_mux(dev,*i);
1669 up(&dev->lock);
1670 return 0;
1671 }
1672
1673 }
1674 return 0;
1675 }
1676 EXPORT_SYMBOL(saa7134_common_ioctl);
1677
1678 /*
1679 * This function is _not_ called directly, but from
1680 * video_generic_ioctl (and maybe others). userspace
1681 * copying is done already, arg is a kernel pointer.
1682 */
1683 static int video_do_ioctl(struct inode *inode, struct file *file,
1684 unsigned int cmd, void *arg)
1685 {
1686 struct saa7134_fh *fh = file->private_data;
1687 struct saa7134_dev *dev = fh->dev;
1688 unsigned long flags;
1689 int err;
1690
1691 if (video_debug > 1)
1692 v4l_print_ioctl(dev->name,cmd);
1693
1694 switch (cmd) {
1695 case VIDIOC_S_CTRL:
1696 case VIDIOC_S_STD:
1697 case VIDIOC_S_INPUT:
1698 case VIDIOC_S_TUNER:
1699 case VIDIOC_S_FREQUENCY:
1700 err = v4l2_prio_check(&dev->prio,&fh->prio);
1701 if (0 != err)
1702 return err;
1703 }
1704
1705 switch (cmd) {
1706 case VIDIOC_QUERYCAP:
1707 {
1708 struct v4l2_capability *cap = arg;
1709 unsigned int tuner_type = dev->tuner_type;
1710
1711 memset(cap,0,sizeof(*cap));
1712 strcpy(cap->driver, "saa7134");
1713 strlcpy(cap->card, saa7134_boards[dev->board].name,
1714 sizeof(cap->card));
1715 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1716 cap->version = SAA7134_VERSION_CODE;
1717 cap->capabilities =
1718 V4L2_CAP_VIDEO_CAPTURE |
1719 V4L2_CAP_VIDEO_OVERLAY |
1720 V4L2_CAP_VBI_CAPTURE |
1721 V4L2_CAP_READWRITE |
1722 V4L2_CAP_STREAMING |
1723 V4L2_CAP_TUNER;
1724
1725 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1726 cap->capabilities &= ~V4L2_CAP_TUNER;
1727
1728 return 0;
1729 }
1730
1731 /* --- tv standards ------------------------------------------ */
1732 case VIDIOC_ENUMSTD:
1733 {
1734 struct v4l2_standard *e = arg;
1735 unsigned int i;
1736
1737 i = e->index;
1738 if (i >= TVNORMS)
1739 return -EINVAL;
1740 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1741 tvnorms[e->index].name);
1742 e->index = i;
1743 if (err < 0)
1744 return err;
1745 return 0;
1746 }
1747 case VIDIOC_G_STD:
1748 {
1749 v4l2_std_id *id = arg;
1750
1751 *id = dev->tvnorm->id;
1752 return 0;
1753 }
1754 case VIDIOC_S_STD:
1755 {
1756 v4l2_std_id *id = arg;
1757 unsigned int i;
1758
1759 for (i = 0; i < TVNORMS; i++)
1760 if (*id == tvnorms[i].id)
1761 break;
1762 if (i == TVNORMS)
1763 for (i = 0; i < TVNORMS; i++)
1764 if (*id & tvnorms[i].id)
1765 break;
1766 if (i == TVNORMS)
1767 return -EINVAL;
1768
1769 down(&dev->lock);
1770 if (res_check(fh, RESOURCE_OVERLAY)) {
1771 spin_lock_irqsave(&dev->slock,flags);
1772 stop_preview(dev,fh);
1773 set_tvnorm(dev,&tvnorms[i]);
1774 start_preview(dev,fh);
1775 spin_unlock_irqrestore(&dev->slock,flags);
1776 } else
1777 set_tvnorm(dev,&tvnorms[i]);
1778 saa7134_tvaudio_do_scan(dev);
1779 up(&dev->lock);
1780 return 0;
1781 }
1782
1783 case VIDIOC_CROPCAP:
1784 {
1785 struct v4l2_cropcap *cap = arg;
1786
1787 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1788 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1789 return -EINVAL;
1790 cap->bounds = dev->crop_bounds;
1791 cap->defrect = dev->crop_defrect;
1792 cap->pixelaspect.numerator = 1;
1793 cap->pixelaspect.denominator = 1;
1794 if (dev->tvnorm->id & V4L2_STD_525_60) {
1795 cap->pixelaspect.numerator = 11;
1796 cap->pixelaspect.denominator = 10;
1797 }
1798 if (dev->tvnorm->id & V4L2_STD_625_50) {
1799 cap->pixelaspect.numerator = 54;
1800 cap->pixelaspect.denominator = 59;
1801 }
1802 return 0;
1803 }
1804
1805 case VIDIOC_G_CROP:
1806 {
1807 struct v4l2_crop * crop = arg;
1808
1809 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1810 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1811 return -EINVAL;
1812 crop->c = dev->crop_current;
1813 return 0;
1814 }
1815 case VIDIOC_S_CROP:
1816 {
1817 struct v4l2_crop *crop = arg;
1818 struct v4l2_rect *b = &dev->crop_bounds;
1819
1820 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1821 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1822 return -EINVAL;
1823 if (crop->c.height < 0)
1824 return -EINVAL;
1825 if (crop->c.width < 0)
1826 return -EINVAL;
1827
1828 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1829 return -EBUSY;
1830 if (res_locked(fh->dev,RESOURCE_VIDEO))
1831 return -EBUSY;
1832
1833 if (crop->c.top < b->top)
1834 crop->c.top = b->top;
1835 if (crop->c.top > b->top + b->height)
1836 crop->c.top = b->top + b->height;
1837 if (crop->c.height > b->top - crop->c.top + b->height)
1838 crop->c.height = b->top - crop->c.top + b->height;
1839
1840 if (crop->c.left < b->left)
1841 crop->c.left = b->left;
1842 if (crop->c.left > b->left + b->width)
1843 crop->c.left = b->left + b->width;
1844 if (crop->c.width > b->left - crop->c.left + b->width)
1845 crop->c.width = b->left - crop->c.left + b->width;
1846
1847 dev->crop_current = crop->c;
1848 return 0;
1849 }
1850
1851 /* --- tuner ioctls ------------------------------------------ */
1852 case VIDIOC_G_TUNER:
1853 {
1854 struct v4l2_tuner *t = arg;
1855 int n;
1856
1857 if (0 != t->index)
1858 return -EINVAL;
1859 memset(t,0,sizeof(*t));
1860 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1861 if (card_in(dev,n).tv)
1862 break;
1863 if (NULL != card_in(dev,n).name) {
1864 strcpy(t->name, "Television");
1865 t->type = V4L2_TUNER_ANALOG_TV;
1866 t->capability = V4L2_TUNER_CAP_NORM |
1867 V4L2_TUNER_CAP_STEREO |
1868 V4L2_TUNER_CAP_LANG1 |
1869 V4L2_TUNER_CAP_LANG2;
1870 t->rangehigh = 0xffffffffUL;
1871 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1872 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1873 }
1874 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1875 t->signal = 0xffff;
1876 return 0;
1877 }
1878 case VIDIOC_S_TUNER:
1879 {
1880 struct v4l2_tuner *t = arg;
1881 int rx,mode;
1882
1883 mode = dev->thread.mode;
1884 if (UNSET == mode) {
1885 rx = saa7134_tvaudio_getstereo(dev);
1886 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1887 }
1888 if (mode != t->audmode) {
1889 dev->thread.mode = t->audmode;
1890 }
1891 return 0;
1892 }
1893 case VIDIOC_G_FREQUENCY:
1894 {
1895 struct v4l2_frequency *f = arg;
1896
1897 memset(f,0,sizeof(*f));
1898 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1899 f->frequency = dev->ctl_freq;
1900 return 0;
1901 }
1902 case VIDIOC_S_FREQUENCY:
1903 {
1904 struct v4l2_frequency *f = arg;
1905
1906 if (0 != f->tuner)
1907 return -EINVAL;
1908 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1909 return -EINVAL;
1910 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1911 return -EINVAL;
1912 down(&dev->lock);
1913 dev->ctl_freq = f->frequency;
1914
1915 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1916
1917 saa7134_tvaudio_do_scan(dev);
1918 up(&dev->lock);
1919 return 0;
1920 }
1921
1922 /* --- control ioctls ---------------------------------------- */
1923 case VIDIOC_ENUMINPUT:
1924 case VIDIOC_G_INPUT:
1925 case VIDIOC_S_INPUT:
1926 case VIDIOC_QUERYCTRL:
1927 case VIDIOC_G_CTRL:
1928 case VIDIOC_S_CTRL:
1929 return saa7134_common_ioctl(dev, cmd, arg);
1930
1931 case VIDIOC_G_AUDIO:
1932 {
1933 struct v4l2_audio *a = arg;
1934
1935 memset(a,0,sizeof(*a));
1936 strcpy(a->name,"audio");
1937 return 0;
1938 }
1939 case VIDIOC_S_AUDIO:
1940 return 0;
1941 case VIDIOC_G_PARM:
1942 {
1943 struct v4l2_captureparm *parm = arg;
1944 memset(parm,0,sizeof(*parm));
1945 return 0;
1946 }
1947
1948 case VIDIOC_G_PRIORITY:
1949 {
1950 enum v4l2_priority *p = arg;
1951
1952 *p = v4l2_prio_max(&dev->prio);
1953 return 0;
1954 }
1955 case VIDIOC_S_PRIORITY:
1956 {
1957 enum v4l2_priority *prio = arg;
1958
1959 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
1960 }
1961
1962 /* --- preview ioctls ---------------------------------------- */
1963 case VIDIOC_ENUM_FMT:
1964 {
1965 struct v4l2_fmtdesc *f = arg;
1966 enum v4l2_buf_type type;
1967 unsigned int index;
1968
1969 index = f->index;
1970 type = f->type;
1971 switch (type) {
1972 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1973 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1974 if (index >= FORMATS)
1975 return -EINVAL;
1976 if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
1977 formats[index].planar)
1978 return -EINVAL;
1979 memset(f,0,sizeof(*f));
1980 f->index = index;
1981 f->type = type;
1982 strlcpy(f->description,formats[index].name,sizeof(f->description));
1983 f->pixelformat = formats[index].fourcc;
1984 break;
1985 case V4L2_BUF_TYPE_VBI_CAPTURE:
1986 if (0 != index)
1987 return -EINVAL;
1988 memset(f,0,sizeof(*f));
1989 f->index = index;
1990 f->type = type;
1991 f->pixelformat = V4L2_PIX_FMT_GREY;
1992 strcpy(f->description,"vbi data");
1993 break;
1994 default:
1995 return -EINVAL;
1996 }
1997 return 0;
1998 }
1999 case VIDIOC_G_FBUF:
2000 {
2001 struct v4l2_framebuffer *fb = arg;
2002
2003 *fb = dev->ovbuf;
2004 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2005 return 0;
2006 }
2007 case VIDIOC_S_FBUF:
2008 {
2009 struct v4l2_framebuffer *fb = arg;
2010 struct saa7134_format *fmt;
2011
2012 if(!capable(CAP_SYS_ADMIN) &&
2013 !capable(CAP_SYS_RAWIO))
2014 return -EPERM;
2015
2016 /* check args */
2017 fmt = format_by_fourcc(fb->fmt.pixelformat);
2018 if (NULL == fmt)
2019 return -EINVAL;
2020
2021 /* ok, accept it */
2022 dev->ovbuf = *fb;
2023 dev->ovfmt = fmt;
2024 if (0 == dev->ovbuf.fmt.bytesperline)
2025 dev->ovbuf.fmt.bytesperline =
2026 dev->ovbuf.fmt.width*fmt->depth/8;
2027 return 0;
2028 }
2029 case VIDIOC_OVERLAY:
2030 {
2031 int *on = arg;
2032
2033 if (*on) {
2034 if (!res_get(dev,fh,RESOURCE_OVERLAY))
2035 return -EBUSY;
2036 spin_lock_irqsave(&dev->slock,flags);
2037 start_preview(dev,fh);
2038 spin_unlock_irqrestore(&dev->slock,flags);
2039 }
2040 if (!*on) {
2041 if (!res_check(fh, RESOURCE_OVERLAY))
2042 return -EINVAL;
2043 spin_lock_irqsave(&dev->slock,flags);
2044 stop_preview(dev,fh);
2045 spin_unlock_irqrestore(&dev->slock,flags);
2046 res_free(dev,fh,RESOURCE_OVERLAY);
2047 }
2048 return 0;
2049 }
2050
2051 /* --- capture ioctls ---------------------------------------- */
2052 case VIDIOC_G_FMT:
2053 {
2054 struct v4l2_format *f = arg;
2055 return saa7134_g_fmt(dev,fh,f);
2056 }
2057 case VIDIOC_S_FMT:
2058 {
2059 struct v4l2_format *f = arg;
2060 return saa7134_s_fmt(dev,fh,f);
2061 }
2062 case VIDIOC_TRY_FMT:
2063 {
2064 struct v4l2_format *f = arg;
2065 return saa7134_try_fmt(dev,fh,f);
2066 }
2067 #ifdef HAVE_V4L1
2068 case VIDIOCGMBUF:
2069 {
2070 struct video_mbuf *mbuf = arg;
2071 struct videobuf_queue *q;
2072 struct v4l2_requestbuffers req;
2073 unsigned int i;
2074
2075 q = saa7134_queue(fh);
2076 memset(&req,0,sizeof(req));
2077 req.type = q->type;
2078 req.count = gbuffers;
2079 req.memory = V4L2_MEMORY_MMAP;
2080 err = videobuf_reqbufs(q,&req);
2081 if (err < 0)
2082 return err;
2083 memset(mbuf,0,sizeof(*mbuf));
2084 mbuf->frames = req.count;
2085 mbuf->size = 0;
2086 for (i = 0; i < mbuf->frames; i++) {
2087 mbuf->offsets[i] = q->bufs[i]->boff;
2088 mbuf->size += q->bufs[i]->bsize;
2089 }
2090 return 0;
2091 }
2092 #endif
2093 case VIDIOC_REQBUFS:
2094 return videobuf_reqbufs(saa7134_queue(fh),arg);
2095
2096 case VIDIOC_QUERYBUF:
2097 return videobuf_querybuf(saa7134_queue(fh),arg);
2098
2099 case VIDIOC_QBUF:
2100 return videobuf_qbuf(saa7134_queue(fh),arg);
2101
2102 case VIDIOC_DQBUF:
2103 return videobuf_dqbuf(saa7134_queue(fh),arg,
2104 file->f_flags & O_NONBLOCK);
2105
2106 case VIDIOC_STREAMON:
2107 {
2108 int res = saa7134_resource(fh);
2109
2110 if (!res_get(dev,fh,res))
2111 return -EBUSY;
2112 return videobuf_streamon(saa7134_queue(fh));
2113 }
2114 case VIDIOC_STREAMOFF:
2115 {
2116 int res = saa7134_resource(fh);
2117
2118 err = videobuf_streamoff(saa7134_queue(fh));
2119 if (err < 0)
2120 return err;
2121 res_free(dev,fh,res);
2122 return 0;
2123 }
2124
2125 default:
2126 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2127 video_do_ioctl);
2128 }
2129 return 0;
2130 }
2131
2132 static int video_ioctl(struct inode *inode, struct file *file,
2133 unsigned int cmd, unsigned long arg)
2134 {
2135 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2136 }
2137
2138 static int radio_do_ioctl(struct inode *inode, struct file *file,
2139 unsigned int cmd, void *arg)
2140 {
2141 struct saa7134_fh *fh = file->private_data;
2142 struct saa7134_dev *dev = fh->dev;
2143
2144 if (video_debug > 1)
2145 v4l_print_ioctl(dev->name,cmd);
2146 switch (cmd) {
2147 case VIDIOC_QUERYCAP:
2148 {
2149 struct v4l2_capability *cap = arg;
2150
2151 memset(cap,0,sizeof(*cap));
2152 strcpy(cap->driver, "saa7134");
2153 strlcpy(cap->card, saa7134_boards[dev->board].name,
2154 sizeof(cap->card));
2155 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2156 cap->version = SAA7134_VERSION_CODE;
2157 cap->capabilities = V4L2_CAP_TUNER;
2158 return 0;
2159 }
2160 case VIDIOC_G_TUNER:
2161 {
2162 struct v4l2_tuner *t = arg;
2163
2164 if (0 != t->index)
2165 return -EINVAL;
2166
2167 memset(t,0,sizeof(*t));
2168 strcpy(t->name, "Radio");
2169 t->type = V4L2_TUNER_RADIO;
2170
2171 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2172
2173 return 0;
2174 }
2175 case VIDIOC_S_TUNER:
2176 {
2177 struct v4l2_tuner *t = arg;
2178
2179 if (0 != t->index)
2180 return -EINVAL;
2181
2182 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2183
2184 return 0;
2185 }
2186 case VIDIOC_ENUMINPUT:
2187 {
2188 struct v4l2_input *i = arg;
2189
2190 if (i->index != 0)
2191 return -EINVAL;
2192 strcpy(i->name,"Radio");
2193 i->type = V4L2_INPUT_TYPE_TUNER;
2194 return 0;
2195 }
2196 case VIDIOC_G_INPUT:
2197 {
2198 int *i = arg;
2199 *i = 0;
2200 return 0;
2201 }
2202 case VIDIOC_G_AUDIO:
2203 {
2204 struct v4l2_audio *a = arg;
2205
2206 memset(a,0,sizeof(*a));
2207 strcpy(a->name,"Radio");
2208 return 0;
2209 }
2210 case VIDIOC_G_STD:
2211 {
2212 v4l2_std_id *id = arg;
2213 *id = 0;
2214 return 0;
2215 }
2216 case VIDIOC_S_AUDIO:
2217 case VIDIOC_S_INPUT:
2218 case VIDIOC_S_STD:
2219 return 0;
2220
2221 case VIDIOC_QUERYCTRL:
2222 {
2223 const struct v4l2_queryctrl *ctrl;
2224 struct v4l2_queryctrl *c = arg;
2225
2226 if (c->id < V4L2_CID_BASE ||
2227 c->id >= V4L2_CID_LASTP1)
2228 return -EINVAL;
2229 if (c->id == V4L2_CID_AUDIO_MUTE) {
2230 ctrl = ctrl_by_id(c->id);
2231 *c = *ctrl;
2232 } else
2233 *c = no_ctrl;
2234 return 0;
2235 }
2236
2237 case VIDIOC_G_CTRL:
2238 case VIDIOC_S_CTRL:
2239 case VIDIOC_G_FREQUENCY:
2240 case VIDIOC_S_FREQUENCY:
2241 return video_do_ioctl(inode,file,cmd,arg);
2242
2243 default:
2244 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2245 radio_do_ioctl);
2246 }
2247 return 0;
2248 }
2249
2250 static int radio_ioctl(struct inode *inode, struct file *file,
2251 unsigned int cmd, unsigned long arg)
2252 {
2253 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2254 }
2255
2256 static struct file_operations video_fops =
2257 {
2258 .owner = THIS_MODULE,
2259 .open = video_open,
2260 .release = video_release,
2261 .read = video_read,
2262 .poll = video_poll,
2263 .mmap = video_mmap,
2264 .ioctl = video_ioctl,
2265 .compat_ioctl = v4l_compat_ioctl32,
2266 .llseek = no_llseek,
2267 };
2268
2269 static struct file_operations radio_fops =
2270 {
2271 .owner = THIS_MODULE,
2272 .open = video_open,
2273 .release = video_release,
2274 .ioctl = radio_ioctl,
2275 .compat_ioctl = v4l_compat_ioctl32,
2276 .llseek = no_llseek,
2277 };
2278
2279 /* ----------------------------------------------------------- */
2280 /* exported stuff */
2281
2282 struct video_device saa7134_video_template =
2283 {
2284 .name = "saa7134-video",
2285 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
2286 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2287 .hardware = 0,
2288 .fops = &video_fops,
2289 .minor = -1,
2290 };
2291
2292 struct video_device saa7134_vbi_template =
2293 {
2294 .name = "saa7134-vbi",
2295 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2296 .hardware = 0,
2297 .fops = &video_fops,
2298 .minor = -1,
2299 };
2300
2301 struct video_device saa7134_radio_template =
2302 {
2303 .name = "saa7134-radio",
2304 .type = VID_TYPE_TUNER,
2305 .hardware = 0,
2306 .fops = &radio_fops,
2307 .minor = -1,
2308 };
2309
2310 int saa7134_video_init1(struct saa7134_dev *dev)
2311 {
2312 /* sanitycheck insmod options */
2313 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2314 gbuffers = 2;
2315 if (gbufsize < 0 || gbufsize > gbufsize_max)
2316 gbufsize = gbufsize_max;
2317 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2318
2319 /* put some sensible defaults into the data structures ... */
2320 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2321 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2322 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2323 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2324 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2325 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2326 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2327 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2328
2329 if (dev->tda9887_conf && dev->ctl_automute)
2330 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2331 dev->automute = 0;
2332
2333 INIT_LIST_HEAD(&dev->video_q.queue);
2334 init_timer(&dev->video_q.timeout);
2335 dev->video_q.timeout.function = saa7134_buffer_timeout;
2336 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2337 dev->video_q.dev = dev;
2338
2339 if (saa7134_boards[dev->board].video_out) {
2340 /* enable video output */
2341 int vo = saa7134_boards[dev->board].video_out;
2342 int video_reg;
2343 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2344 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2345 video_reg = video_out[vo][1];
2346 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2347 video_reg &= ~VP_T_CODE_P_INVERTED;
2348 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2349 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2350 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2351 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2352 video_reg = video_out[vo][5];
2353 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2354 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2355 if (vid_port_opts & SET_CLOCK_INVERTED)
2356 video_reg |= VP_CLK_CTRL1_INVERTED;
2357 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2358 video_reg = video_out[vo][6];
2359 if (vid_port_opts & SET_VSYNC_OFF) {
2360 video_reg &= ~VP_VS_TYPE_MASK;
2361 video_reg |= VP_VS_TYPE_OFF;
2362 }
2363 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2364 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2365 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2366 }
2367
2368 return 0;
2369 }
2370
2371 int saa7134_video_init2(struct saa7134_dev *dev)
2372 {
2373 /* init video hw */
2374 set_tvnorm(dev,&tvnorms[0]);
2375 video_mux(dev,0);
2376 saa7134_tvaudio_setmute(dev);
2377 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2378 return 0;
2379 }
2380
2381 int saa7134_video_fini(struct saa7134_dev *dev)
2382 {
2383 /* nothing */
2384 return 0;
2385 }
2386
2387 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2388 {
2389 static const char *st[] = {
2390 "(no signal)", "NTSC", "PAL", "SECAM" };
2391 u32 st1,st2;
2392
2393 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2394 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2395 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2396 (st1 & 0x40) ? "not locked" : "locked",
2397 (st2 & 0x40) ? "no" : "yes",
2398 st[st1 & 0x03]);
2399 dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2400
2401 if (dev->nosignal) {
2402 /* no video signal -> mute audio */
2403 if (dev->ctl_automute)
2404 dev->automute = 1;
2405 saa7134_tvaudio_setmute(dev);
2406 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2407 } else {
2408 /* wake up tvaudio audio carrier scan thread */
2409 saa7134_tvaudio_do_scan(dev);
2410 if (!noninterlaced)
2411 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2412 }
2413 if (dev->mops && dev->mops->signal_change)
2414 dev->mops->signal_change(dev);
2415 }
2416
2417 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2418 {
2419 enum v4l2_field field;
2420
2421 spin_lock(&dev->slock);
2422 if (dev->video_q.curr) {
2423 dev->video_fieldcount++;
2424 field = dev->video_q.curr->vb.field;
2425 if (V4L2_FIELD_HAS_BOTH(field)) {
2426 /* make sure we have seen both fields */
2427 if ((status & 0x10) == 0x00) {
2428 dev->video_q.curr->top_seen = 1;
2429 goto done;
2430 }
2431 if (!dev->video_q.curr->top_seen)
2432 goto done;
2433 } else if (field == V4L2_FIELD_TOP) {
2434 if ((status & 0x10) != 0x10)
2435 goto done;
2436 } else if (field == V4L2_FIELD_BOTTOM) {
2437 if ((status & 0x10) != 0x00)
2438 goto done;
2439 }
2440 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2441 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2442 }
2443 saa7134_buffer_next(dev,&dev->video_q);
2444
2445 done:
2446 spin_unlock(&dev->slock);
2447 }
2448
2449 /* ----------------------------------------------------------- */
2450 /*
2451 * Local variables:
2452 * c-basic-offset: 8
2453 * End:
2454 */
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