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10#include "saa7134.h"
11#include "saa7134-reg.h"
12
13#include <linux/init.h>
14#include <linux/list.h>
15#include <linux/module.h>
16#include <linux/kernel.h>
17#include <linux/slab.h>
18#include <linux/sort.h>
19
20#include <media/v4l2-common.h>
21#include <media/v4l2-event.h>
22#include <media/i2c/saa6588.h>
23
24
25
26unsigned int video_debug;
27static unsigned int gbuffers = 8;
28static unsigned int noninterlaced;
29static unsigned int gbufsize = 720*576*4;
30static unsigned int gbufsize_max = 720*576*4;
31static char secam[] = "--";
32module_param(video_debug, int, 0644);
33MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
34module_param(gbuffers, int, 0444);
35MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
36module_param(noninterlaced, int, 0644);
37MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
38module_param_string(secam, secam, sizeof(secam), 0644);
39MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
40
41
42#define video_dbg(fmt, arg...) do { \
43 if (video_debug & 0x04) \
44 printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \
45 } while (0)
46
47
48
49
50
51
52#define VP_T_CODE_P_NON_INVERTED 0x00
53#define VP_T_CODE_P_INVERTED 0x01
54
55
56
57
58
59
60#define VP_CLK_CTRL2_NOT_DELAYED 0x00
61#define VP_CLK_CTRL2_DELAYED 0x04
62
63
64
65#define VP_CLK_CTRL1_NON_INVERTED 0x00
66#define VP_CLK_CTRL1_INVERTED 0x02
67
68
69
70
71
72
73#define VP_VS_TYPE_MASK 0x07
74
75#define VP_VS_TYPE_OFF 0x00
76#define VP_VS_TYPE_V123 0x01
77#define VP_VS_TYPE_V_ITU 0x02
78#define VP_VS_TYPE_VGATE_L 0x03
79#define VP_VS_TYPE_RESERVED1 0x04
80#define VP_VS_TYPE_RESERVED2 0x05
81#define VP_VS_TYPE_F_ITU 0x06
82#define VP_VS_TYPE_SC_FID 0x07
83
84
85
86
87static int video_out[][9] = {
88 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
89};
90
91static struct saa7134_format formats[] = {
92 {
93 .name = "8 bpp gray",
94 .fourcc = V4L2_PIX_FMT_GREY,
95 .depth = 8,
96 .pm = 0x06,
97 },{
98 .name = "15 bpp RGB, le",
99 .fourcc = V4L2_PIX_FMT_RGB555,
100 .depth = 16,
101 .pm = 0x13 | 0x80,
102 },{
103 .name = "15 bpp RGB, be",
104 .fourcc = V4L2_PIX_FMT_RGB555X,
105 .depth = 16,
106 .pm = 0x13 | 0x80,
107 .bswap = 1,
108 },{
109 .name = "16 bpp RGB, le",
110 .fourcc = V4L2_PIX_FMT_RGB565,
111 .depth = 16,
112 .pm = 0x10 | 0x80,
113 },{
114 .name = "16 bpp RGB, be",
115 .fourcc = V4L2_PIX_FMT_RGB565X,
116 .depth = 16,
117 .pm = 0x10 | 0x80,
118 .bswap = 1,
119 },{
120 .name = "24 bpp RGB, le",
121 .fourcc = V4L2_PIX_FMT_BGR24,
122 .depth = 24,
123 .pm = 0x11,
124 },{
125 .name = "24 bpp RGB, be",
126 .fourcc = V4L2_PIX_FMT_RGB24,
127 .depth = 24,
128 .pm = 0x11,
129 .bswap = 1,
130 },{
131 .name = "32 bpp RGB, le",
132 .fourcc = V4L2_PIX_FMT_BGR32,
133 .depth = 32,
134 .pm = 0x12,
135 },{
136 .name = "32 bpp RGB, be",
137 .fourcc = V4L2_PIX_FMT_RGB32,
138 .depth = 32,
139 .pm = 0x12,
140 .bswap = 1,
141 .wswap = 1,
142 },{
143 .name = "4:2:2 packed, YUYV",
144 .fourcc = V4L2_PIX_FMT_YUYV,
145 .depth = 16,
146 .pm = 0x00,
147 .bswap = 1,
148 .yuv = 1,
149 },{
150 .name = "4:2:2 packed, UYVY",
151 .fourcc = V4L2_PIX_FMT_UYVY,
152 .depth = 16,
153 .pm = 0x00,
154 .yuv = 1,
155 },{
156 .name = "4:2:2 planar, Y-Cb-Cr",
157 .fourcc = V4L2_PIX_FMT_YUV422P,
158 .depth = 16,
159 .pm = 0x09,
160 .yuv = 1,
161 .planar = 1,
162 .hshift = 1,
163 .vshift = 0,
164 },{
165 .name = "4:2:0 planar, Y-Cb-Cr",
166 .fourcc = V4L2_PIX_FMT_YUV420,
167 .depth = 12,
168 .pm = 0x0a,
169 .yuv = 1,
170 .planar = 1,
171 .hshift = 1,
172 .vshift = 1,
173 },{
174 .name = "4:2:0 planar, Y-Cb-Cr",
175 .fourcc = V4L2_PIX_FMT_YVU420,
176 .depth = 12,
177 .pm = 0x0a,
178 .yuv = 1,
179 .planar = 1,
180 .uvswap = 1,
181 .hshift = 1,
182 .vshift = 1,
183 }
184};
185#define FORMATS ARRAY_SIZE(formats)
186
187#define NORM_625_50 \
188 .h_start = 0, \
189 .h_stop = 719, \
190 .video_v_start = 24, \
191 .video_v_stop = 311, \
192 .vbi_v_start_0 = 7, \
193 .vbi_v_stop_0 = 23, \
194 .vbi_v_start_1 = 319, \
195 .src_timing = 4
196
197#define NORM_525_60 \
198 .h_start = 0, \
199 .h_stop = 719, \
200 .video_v_start = 23, \
201 .video_v_stop = 262, \
202 .vbi_v_start_0 = 10, \
203 .vbi_v_stop_0 = 21, \
204 .vbi_v_start_1 = 273, \
205 .src_timing = 7
206
207static struct saa7134_tvnorm tvnorms[] = {
208 {
209 .name = "PAL",
210 .id = V4L2_STD_PAL,
211 NORM_625_50,
212
213 .sync_control = 0x18,
214 .luma_control = 0x40,
215 .chroma_ctrl1 = 0x81,
216 .chroma_gain = 0x2a,
217 .chroma_ctrl2 = 0x06,
218 .vgate_misc = 0x1c,
219
220 },{
221 .name = "PAL-BG",
222 .id = V4L2_STD_PAL_BG,
223 NORM_625_50,
224
225 .sync_control = 0x18,
226 .luma_control = 0x40,
227 .chroma_ctrl1 = 0x81,
228 .chroma_gain = 0x2a,
229 .chroma_ctrl2 = 0x06,
230 .vgate_misc = 0x1c,
231
232 },{
233 .name = "PAL-I",
234 .id = V4L2_STD_PAL_I,
235 NORM_625_50,
236
237 .sync_control = 0x18,
238 .luma_control = 0x40,
239 .chroma_ctrl1 = 0x81,
240 .chroma_gain = 0x2a,
241 .chroma_ctrl2 = 0x06,
242 .vgate_misc = 0x1c,
243
244 },{
245 .name = "PAL-DK",
246 .id = V4L2_STD_PAL_DK,
247 NORM_625_50,
248
249 .sync_control = 0x18,
250 .luma_control = 0x40,
251 .chroma_ctrl1 = 0x81,
252 .chroma_gain = 0x2a,
253 .chroma_ctrl2 = 0x06,
254 .vgate_misc = 0x1c,
255
256 },{
257 .name = "NTSC",
258 .id = V4L2_STD_NTSC,
259 NORM_525_60,
260
261 .sync_control = 0x59,
262 .luma_control = 0x40,
263 .chroma_ctrl1 = 0x89,
264 .chroma_gain = 0x2a,
265 .chroma_ctrl2 = 0x0e,
266 .vgate_misc = 0x18,
267
268 },{
269 .name = "SECAM",
270 .id = V4L2_STD_SECAM,
271 NORM_625_50,
272
273 .sync_control = 0x18,
274 .luma_control = 0x1b,
275 .chroma_ctrl1 = 0xd1,
276 .chroma_gain = 0x80,
277 .chroma_ctrl2 = 0x00,
278 .vgate_misc = 0x1c,
279
280 },{
281 .name = "SECAM-DK",
282 .id = V4L2_STD_SECAM_DK,
283 NORM_625_50,
284
285 .sync_control = 0x18,
286 .luma_control = 0x1b,
287 .chroma_ctrl1 = 0xd1,
288 .chroma_gain = 0x80,
289 .chroma_ctrl2 = 0x00,
290 .vgate_misc = 0x1c,
291
292 },{
293 .name = "SECAM-L",
294 .id = V4L2_STD_SECAM_L,
295 NORM_625_50,
296
297 .sync_control = 0x18,
298 .luma_control = 0x1b,
299 .chroma_ctrl1 = 0xd1,
300 .chroma_gain = 0x80,
301 .chroma_ctrl2 = 0x00,
302 .vgate_misc = 0x1c,
303
304 },{
305 .name = "SECAM-Lc",
306 .id = V4L2_STD_SECAM_LC,
307 NORM_625_50,
308
309 .sync_control = 0x18,
310 .luma_control = 0x1b,
311 .chroma_ctrl1 = 0xd1,
312 .chroma_gain = 0x80,
313 .chroma_ctrl2 = 0x00,
314 .vgate_misc = 0x1c,
315
316 },{
317 .name = "PAL-M",
318 .id = V4L2_STD_PAL_M,
319 NORM_525_60,
320
321 .sync_control = 0x59,
322 .luma_control = 0x40,
323 .chroma_ctrl1 = 0xb9,
324 .chroma_gain = 0x2a,
325 .chroma_ctrl2 = 0x0e,
326 .vgate_misc = 0x18,
327
328 },{
329 .name = "PAL-Nc",
330 .id = V4L2_STD_PAL_Nc,
331 NORM_625_50,
332
333 .sync_control = 0x18,
334 .luma_control = 0x40,
335 .chroma_ctrl1 = 0xa1,
336 .chroma_gain = 0x2a,
337 .chroma_ctrl2 = 0x06,
338 .vgate_misc = 0x1c,
339
340 },{
341 .name = "PAL-60",
342 .id = V4L2_STD_PAL_60,
343
344 .h_start = 0,
345 .h_stop = 719,
346 .video_v_start = 23,
347 .video_v_stop = 262,
348 .vbi_v_start_0 = 10,
349 .vbi_v_stop_0 = 21,
350 .vbi_v_start_1 = 273,
351 .src_timing = 7,
352
353 .sync_control = 0x18,
354 .luma_control = 0x40,
355 .chroma_ctrl1 = 0x81,
356 .chroma_gain = 0x2a,
357 .chroma_ctrl2 = 0x06,
358 .vgate_misc = 0x1c,
359 }
360};
361#define TVNORMS ARRAY_SIZE(tvnorms)
362
363static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
364{
365 unsigned int i;
366
367 for (i = 0; i < FORMATS; i++)
368 if (formats[i].fourcc == fourcc)
369 return formats+i;
370 return NULL;
371}
372
373
374
375static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
376{
377 video_dbg("set tv norm = %s\n", norm->name);
378 dev->tvnorm = norm;
379
380
381 dev->crop_bounds.left = norm->h_start;
382 dev->crop_defrect.left = norm->h_start;
383 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
384 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
385
386 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
387 dev->crop_defrect.top = norm->video_v_start*2;
388 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
389 - dev->crop_bounds.top;
390 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
391
392 dev->crop_current = dev->crop_defrect;
393
394 saa7134_set_tvnorm_hw(dev);
395}
396
397static void video_mux(struct saa7134_dev *dev, int input)
398{
399 video_dbg("video input = %d [%s]\n",
400 input, saa7134_input_name[card_in(dev, input).type]);
401 dev->ctl_input = input;
402 set_tvnorm(dev, dev->tvnorm);
403 saa7134_tvaudio_setinput(dev, &card_in(dev, input));
404}
405
406
407static void saa7134_set_decoder(struct saa7134_dev *dev)
408{
409 int luma_control, sync_control, chroma_ctrl1, mux;
410
411 struct saa7134_tvnorm *norm = dev->tvnorm;
412 mux = card_in(dev, dev->ctl_input).vmux;
413
414 luma_control = norm->luma_control;
415 sync_control = norm->sync_control;
416 chroma_ctrl1 = norm->chroma_ctrl1;
417
418 if (mux > 5)
419 luma_control |= 0x80;
420 if (noninterlaced || dev->nosignal)
421 sync_control |= 0x20;
422
423
424 sync_control |= SAA7134_SYNC_CTRL_AUFD;
425 chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
426 chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
427 luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
428
429
430 saa_writeb(SAA7134_INCR_DELAY, 0x08);
431 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
432 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
433
434 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
435 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
436 saa_writeb(SAA7134_HSYNC_START, 0xeb);
437 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
438 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
439
440 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
441 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
442 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
443
444 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
445 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
446
447 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
448 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
449
450 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
451 saa_writeb(SAA7134_CHROMA_CTRL1, chroma_ctrl1);
452 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
453
454 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
455 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
456
457 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
458 saa_writeb(SAA7134_VGATE_START, 0x11);
459 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
460 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
461 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
462 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
463}
464
465void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
466{
467 saa7134_set_decoder(dev);
468
469 saa_call_all(dev, video, s_std, dev->tvnorm->id);
470
471
472 saa_call_empress(dev, video, s_std, dev->tvnorm->id);
473}
474
475static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
476{
477 static const struct {
478 int xpsc;
479 int xacl;
480 int xc2_1;
481 int xdcg;
482 int vpfy;
483 } vals[] = {
484
485 { 1, 0, 0, 0, 0 },
486 { 2, 2, 1, 2, 2 },
487 { 3, 4, 1, 3, 2 },
488 { 4, 8, 1, 4, 2 },
489 { 5, 8, 1, 4, 2 },
490 { 6, 8, 1, 4, 3 },
491 { 7, 8, 1, 4, 3 },
492 { 8, 15, 0, 4, 3 },
493 { 9, 15, 0, 4, 3 },
494 { 10, 16, 1, 5, 3 },
495 };
496 static const int count = ARRAY_SIZE(vals);
497 int i;
498
499 for (i = 0; i < count; i++)
500 if (vals[i].xpsc == prescale)
501 break;
502 if (i == count)
503 return;
504
505 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
506 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
507 saa_writeb(SAA7134_LEVEL_CTRL(task),
508 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
509 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
510 (vals[i].vpfy << 2) | vals[i].vpfy);
511}
512
513static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
514{
515 int val,mirror;
516
517 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
518 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
519
520 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
521 if (yscale < 2048) {
522
523 video_dbg("yscale LPI yscale=%d\n", yscale);
524 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
525 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
526 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
527 } else {
528
529 val = 0x40 * 1024 / yscale;
530 video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val);
531 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
532 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
533 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
534 }
535 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
536}
537
538static void set_size(struct saa7134_dev *dev, int task,
539 int width, int height, int interlace)
540{
541 int prescale,xscale,yscale,y_even,y_odd;
542 int h_start, h_stop, v_start, v_stop;
543 int div = interlace ? 2 : 1;
544
545
546 h_start = dev->crop_current.left;
547 v_start = dev->crop_current.top/2;
548 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
549 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
550
551 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
552 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
553 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
554 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
555 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
556 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
557 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
558 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
559
560 prescale = dev->crop_current.width / width;
561 if (0 == prescale)
562 prescale = 1;
563 xscale = 1024 * dev->crop_current.width / prescale / width;
564 yscale = 512 * div * dev->crop_current.height / height;
565 video_dbg("prescale=%d xscale=%d yscale=%d\n",
566 prescale, xscale, yscale);
567 set_h_prescale(dev,task,prescale);
568 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
569 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
570 set_v_scale(dev,task,yscale);
571
572 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
573 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
574 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
575 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
576
577
578 y_odd = dev->ctl_y_odd;
579 y_even = dev->ctl_y_even;
580 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
581 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
582 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
583 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
584}
585
586
587
588struct cliplist {
589 __u16 position;
590 __u8 enable;
591 __u8 disable;
592};
593
594static void set_cliplist(struct saa7134_dev *dev, int reg,
595 struct cliplist *cl, int entries, char *name)
596{
597 __u8 winbits = 0;
598 int i;
599
600 for (i = 0; i < entries; i++) {
601 winbits |= cl[i].enable;
602 winbits &= ~cl[i].disable;
603 if (i < 15 && cl[i].position == cl[i+1].position)
604 continue;
605 saa_writeb(reg + 0, winbits);
606 saa_writeb(reg + 2, cl[i].position & 0xff);
607 saa_writeb(reg + 3, cl[i].position >> 8);
608 video_dbg("clip: %s winbits=%02x pos=%d\n",
609 name,winbits,cl[i].position);
610 reg += 8;
611 }
612 for (; reg < 0x400; reg += 8) {
613 saa_writeb(reg+ 0, 0);
614 saa_writeb(reg + 1, 0);
615 saa_writeb(reg + 2, 0);
616 saa_writeb(reg + 3, 0);
617 }
618}
619
620static int clip_range(int val)
621{
622 if (val < 0)
623 val = 0;
624 return val;
625}
626
627
628static int cliplist_cmp(const void *a, const void *b)
629{
630 const struct cliplist *cla = a;
631 const struct cliplist *clb = b;
632 if (cla->position < clb->position)
633 return -1;
634 if (cla->position > clb->position)
635 return 1;
636 return 0;
637}
638
639static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
640 int nclips, int interlace)
641{
642 struct cliplist col[16], row[16];
643 int cols = 0, rows = 0, i;
644 int div = interlace ? 2 : 1;
645
646 memset(col, 0, sizeof(col));
647 memset(row, 0, sizeof(row));
648 for (i = 0; i < nclips && i < 8; i++) {
649 col[cols].position = clip_range(clips[i].c.left);
650 col[cols].enable = (1 << i);
651 cols++;
652 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
653 col[cols].disable = (1 << i);
654 cols++;
655 row[rows].position = clip_range(clips[i].c.top / div);
656 row[rows].enable = (1 << i);
657 rows++;
658 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
659 / div);
660 row[rows].disable = (1 << i);
661 rows++;
662 }
663 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
664 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
665 set_cliplist(dev,0x380,col,cols,"cols");
666 set_cliplist(dev,0x384,row,rows,"rows");
667 return 0;
668}
669
670static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
671{
672 enum v4l2_field field;
673 int maxw, maxh;
674
675 if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
676 return -EINVAL;
677 if (win->w.width < 48)
678 win->w.width = 48;
679 if (win->w.height < 32)
680 win->w.height = 32;
681 if (win->clipcount > 8)
682 win->clipcount = 8;
683
684 win->chromakey = 0;
685 win->global_alpha = 0;
686 field = win->field;
687 maxw = dev->crop_current.width;
688 maxh = dev->crop_current.height;
689
690 if (V4L2_FIELD_ANY == field) {
691 field = (win->w.height > maxh/2)
692 ? V4L2_FIELD_INTERLACED
693 : V4L2_FIELD_TOP;
694 }
695 switch (field) {
696 case V4L2_FIELD_TOP:
697 case V4L2_FIELD_BOTTOM:
698 maxh = maxh / 2;
699 break;
700 default:
701 field = V4L2_FIELD_INTERLACED;
702 break;
703 }
704
705 win->field = field;
706 if (win->w.width > maxw)
707 win->w.width = maxw;
708 if (win->w.height > maxh)
709 win->w.height = maxh;
710 return 0;
711}
712
713static int start_preview(struct saa7134_dev *dev)
714{
715 unsigned long base,control,bpl;
716 int err;
717
718 err = verify_preview(dev, &dev->win, false);
719 if (0 != err)
720 return err;
721
722 dev->ovfield = dev->win.field;
723 video_dbg("start_preview %dx%d+%d+%d %s field=%s\n",
724 dev->win.w.width, dev->win.w.height,
725 dev->win.w.left, dev->win.w.top,
726 dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
727
728
729 set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
730 V4L2_FIELD_HAS_BOTH(dev->ovfield));
731 setup_clipping(dev, dev->clips, dev->nclips,
732 V4L2_FIELD_HAS_BOTH(dev->ovfield));
733 if (dev->ovfmt->yuv)
734 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
735 else
736 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
737 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
738
739
740 base = (unsigned long)dev->ovbuf.base;
741 base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
742 base += dev->ovfmt->depth/8 * dev->win.w.left;
743 bpl = dev->ovbuf.fmt.bytesperline;
744 control = SAA7134_RS_CONTROL_BURST_16;
745 if (dev->ovfmt->bswap)
746 control |= SAA7134_RS_CONTROL_BSWAP;
747 if (dev->ovfmt->wswap)
748 control |= SAA7134_RS_CONTROL_WSWAP;
749 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
750 saa_writel(SAA7134_RS_BA1(1),base);
751 saa_writel(SAA7134_RS_BA2(1),base+bpl);
752 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
753 saa_writel(SAA7134_RS_CONTROL(1),control);
754 } else {
755 saa_writel(SAA7134_RS_BA1(1),base);
756 saa_writel(SAA7134_RS_BA2(1),base);
757 saa_writel(SAA7134_RS_PITCH(1),bpl);
758 saa_writel(SAA7134_RS_CONTROL(1),control);
759 }
760
761
762 dev->ovenable = 1;
763 saa7134_set_dmabits(dev);
764
765 return 0;
766}
767
768static int stop_preview(struct saa7134_dev *dev)
769{
770 dev->ovenable = 0;
771 saa7134_set_dmabits(dev);
772 return 0;
773}
774
775
776
777
778
779static int saa7134_enable_analog_tuner(struct saa7134_dev *dev)
780{
781#ifdef CONFIG_MEDIA_CONTROLLER
782 struct media_device *mdev = dev->media_dev;
783 struct media_entity *source;
784 struct media_link *link, *found_link = NULL;
785 int ret, active_links = 0;
786
787 if (!mdev || !dev->decoder)
788 return 0;
789
790
791
792
793
794
795
796
797 list_for_each_entry(link, &dev->decoder->links, list) {
798 if (link->sink->entity == dev->decoder) {
799 found_link = link;
800 if (link->flags & MEDIA_LNK_FL_ENABLED)
801 active_links++;
802 break;
803 }
804 }
805
806 if (active_links == 1 || !found_link)
807 return 0;
808
809 source = found_link->source->entity;
810 list_for_each_entry(link, &source->links, list) {
811 struct media_entity *sink;
812 int flags = 0;
813
814 sink = link->sink->entity;
815
816 if (sink == dev->decoder)
817 flags = MEDIA_LNK_FL_ENABLED;
818
819 ret = media_entity_setup_link(link, flags);
820 if (ret) {
821 pr_err("Couldn't change link %s->%s to %s. Error %d\n",
822 source->name, sink->name,
823 flags ? "enabled" : "disabled",
824 ret);
825 return ret;
826 }
827 }
828#endif
829 return 0;
830}
831
832
833
834static int buffer_activate(struct saa7134_dev *dev,
835 struct saa7134_buf *buf,
836 struct saa7134_buf *next)
837{
838 struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv;
839 unsigned long base,control,bpl;
840 unsigned long bpl_uv,lines_uv,base2,base3,tmp;
841
842 video_dbg("buffer_activate buf=%p\n", buf);
843 buf->top_seen = 0;
844
845 set_size(dev, TASK_A, dev->width, dev->height,
846 V4L2_FIELD_HAS_BOTH(dev->field));
847 if (dev->fmt->yuv)
848 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
849 else
850 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
851 saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
852
853
854 base = saa7134_buffer_base(buf);
855 if (dev->fmt->planar)
856 bpl = dev->width;
857 else
858 bpl = (dev->width * dev->fmt->depth) / 8;
859 control = SAA7134_RS_CONTROL_BURST_16 |
860 SAA7134_RS_CONTROL_ME |
861 (dmaq->pt.dma >> 12);
862 if (dev->fmt->bswap)
863 control |= SAA7134_RS_CONTROL_BSWAP;
864 if (dev->fmt->wswap)
865 control |= SAA7134_RS_CONTROL_WSWAP;
866 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
867
868 saa_writel(SAA7134_RS_BA1(0),base);
869 saa_writel(SAA7134_RS_BA2(0),base+bpl);
870 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
871 } else {
872
873 saa_writel(SAA7134_RS_BA1(0),base);
874 saa_writel(SAA7134_RS_BA2(0),base);
875 saa_writel(SAA7134_RS_PITCH(0),bpl);
876 }
877 saa_writel(SAA7134_RS_CONTROL(0),control);
878
879 if (dev->fmt->planar) {
880
881 bpl_uv = bpl >> dev->fmt->hshift;
882 lines_uv = dev->height >> dev->fmt->vshift;
883 base2 = base + bpl * dev->height;
884 base3 = base2 + bpl_uv * lines_uv;
885 if (dev->fmt->uvswap)
886 tmp = base2, base2 = base3, base3 = tmp;
887 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
888 bpl_uv,lines_uv,base2,base3);
889 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
890
891 saa_writel(SAA7134_RS_BA1(4),base2);
892 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
893 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
894 saa_writel(SAA7134_RS_BA1(5),base3);
895 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
896 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
897 } else {
898
899 saa_writel(SAA7134_RS_BA1(4),base2);
900 saa_writel(SAA7134_RS_BA2(4),base2);
901 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
902 saa_writel(SAA7134_RS_BA1(5),base3);
903 saa_writel(SAA7134_RS_BA2(5),base3);
904 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
905 }
906 saa_writel(SAA7134_RS_CONTROL(4),control);
907 saa_writel(SAA7134_RS_CONTROL(5),control);
908 }
909
910
911 saa7134_set_dmabits(dev);
912 mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
913 return 0;
914}
915
916static int buffer_init(struct vb2_buffer *vb2)
917{
918 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
919 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
920 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
921
922 dmaq->curr = NULL;
923 buf->activate = buffer_activate;
924 return 0;
925}
926
927static int buffer_prepare(struct vb2_buffer *vb2)
928{
929 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
930 struct saa7134_dev *dev = dmaq->dev;
931 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
932 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
933 struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0);
934 unsigned int size;
935
936 if (dma->sgl->offset) {
937 pr_err("The buffer is not page-aligned\n");
938 return -EINVAL;
939 }
940 size = (dev->width * dev->height * dev->fmt->depth) >> 3;
941 if (vb2_plane_size(vb2, 0) < size)
942 return -EINVAL;
943
944 vb2_set_plane_payload(vb2, 0, size);
945 vbuf->field = dev->field;
946
947 return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
948 saa7134_buffer_startpage(buf));
949}
950
951static int queue_setup(struct vb2_queue *q,
952 unsigned int *nbuffers, unsigned int *nplanes,
953 unsigned int sizes[], struct device *alloc_devs[])
954{
955 struct saa7134_dmaqueue *dmaq = q->drv_priv;
956 struct saa7134_dev *dev = dmaq->dev;
957 int size = dev->fmt->depth * dev->width * dev->height >> 3;
958
959 if (dev->width < 48 ||
960 dev->height < 32 ||
961 dev->width/4 > dev->crop_current.width ||
962 dev->height/4 > dev->crop_current.height ||
963 dev->width > dev->crop_bounds.width ||
964 dev->height > dev->crop_bounds.height)
965 return -EINVAL;
966
967 *nbuffers = saa7134_buffer_count(size, *nbuffers);
968 *nplanes = 1;
969 sizes[0] = size;
970
971 saa7134_enable_analog_tuner(dev);
972
973 return 0;
974}
975
976
977
978
979void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
980{
981 struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
982 struct saa7134_dev *dev = dmaq->dev;
983 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
984 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
985
986 saa7134_buffer_queue(dev, dmaq, buf);
987}
988EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
989
990int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
991{
992 struct saa7134_dmaqueue *dmaq = vq->drv_priv;
993 struct saa7134_dev *dev = dmaq->dev;
994
995
996
997
998
999 if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
1000 dmaq == &dev->video_q && dev->fmt->planar) {
1001 struct saa7134_buf *buf, *tmp;
1002
1003 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
1004 list_del(&buf->entry);
1005 vb2_buffer_done(&buf->vb2.vb2_buf,
1006 VB2_BUF_STATE_QUEUED);
1007 }
1008 if (dmaq->curr) {
1009 vb2_buffer_done(&dmaq->curr->vb2.vb2_buf,
1010 VB2_BUF_STATE_QUEUED);
1011 dmaq->curr = NULL;
1012 }
1013 return -EBUSY;
1014 }
1015
1016
1017
1018
1019
1020
1021
1022
1023 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
1024 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1025 pm_qos_add_request(&dev->qos_request,
1026 PM_QOS_CPU_DMA_LATENCY, 20);
1027 dmaq->seq_nr = 0;
1028
1029 return 0;
1030}
1031
1032void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
1033{
1034 struct saa7134_dmaqueue *dmaq = vq->drv_priv;
1035 struct saa7134_dev *dev = dmaq->dev;
1036
1037 saa7134_stop_streaming(dev, dmaq);
1038
1039 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
1040 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1041 pm_qos_remove_request(&dev->qos_request);
1042}
1043
1044static const struct vb2_ops vb2_qops = {
1045 .queue_setup = queue_setup,
1046 .buf_init = buffer_init,
1047 .buf_prepare = buffer_prepare,
1048 .buf_queue = saa7134_vb2_buffer_queue,
1049 .wait_prepare = vb2_ops_wait_prepare,
1050 .wait_finish = vb2_ops_wait_finish,
1051 .start_streaming = saa7134_vb2_start_streaming,
1052 .stop_streaming = saa7134_vb2_stop_streaming,
1053};
1054
1055
1056
1057static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
1058{
1059 struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
1060 unsigned long flags;
1061 int restart_overlay = 0;
1062
1063 switch (ctrl->id) {
1064 case V4L2_CID_BRIGHTNESS:
1065 dev->ctl_bright = ctrl->val;
1066 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
1067 break;
1068 case V4L2_CID_HUE:
1069 dev->ctl_hue = ctrl->val;
1070 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
1071 break;
1072 case V4L2_CID_CONTRAST:
1073 dev->ctl_contrast = ctrl->val;
1074 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1075 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1076 break;
1077 case V4L2_CID_SATURATION:
1078 dev->ctl_saturation = ctrl->val;
1079 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1080 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1081 break;
1082 case V4L2_CID_AUDIO_MUTE:
1083 dev->ctl_mute = ctrl->val;
1084 saa7134_tvaudio_setmute(dev);
1085 break;
1086 case V4L2_CID_AUDIO_VOLUME:
1087 dev->ctl_volume = ctrl->val;
1088 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1089 break;
1090 case V4L2_CID_PRIVATE_INVERT:
1091 dev->ctl_invert = ctrl->val;
1092 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1093 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1094 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1095 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1096 break;
1097 case V4L2_CID_HFLIP:
1098 dev->ctl_mirror = ctrl->val;
1099 restart_overlay = 1;
1100 break;
1101 case V4L2_CID_PRIVATE_Y_EVEN:
1102 dev->ctl_y_even = ctrl->val;
1103 restart_overlay = 1;
1104 break;
1105 case V4L2_CID_PRIVATE_Y_ODD:
1106 dev->ctl_y_odd = ctrl->val;
1107 restart_overlay = 1;
1108 break;
1109 case V4L2_CID_PRIVATE_AUTOMUTE:
1110 {
1111 struct v4l2_priv_tun_config tda9887_cfg;
1112
1113 tda9887_cfg.tuner = TUNER_TDA9887;
1114 tda9887_cfg.priv = &dev->tda9887_conf;
1115
1116 dev->ctl_automute = ctrl->val;
1117 if (dev->tda9887_conf) {
1118 if (dev->ctl_automute)
1119 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1120 else
1121 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1122
1123 saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1124 }
1125 break;
1126 }
1127 default:
1128 return -EINVAL;
1129 }
1130 if (restart_overlay && dev->overlay_owner) {
1131 spin_lock_irqsave(&dev->slock, flags);
1132 stop_preview(dev);
1133 start_preview(dev);
1134 spin_unlock_irqrestore(&dev->slock, flags);
1135 }
1136 return 0;
1137}
1138
1139
1140
1141static int video_open(struct file *file)
1142{
1143 struct video_device *vdev = video_devdata(file);
1144 struct saa7134_dev *dev = video_drvdata(file);
1145 int ret = v4l2_fh_open(file);
1146
1147 if (ret < 0)
1148 return ret;
1149
1150 mutex_lock(&dev->lock);
1151 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1152
1153 saa7134_tvaudio_setinput(dev, &card(dev).radio);
1154 saa_call_all(dev, tuner, s_radio);
1155 } else {
1156
1157 video_mux(dev, dev->ctl_input);
1158 }
1159 mutex_unlock(&dev->lock);
1160
1161 return 0;
1162}
1163
1164static int video_release(struct file *file)
1165{
1166 struct video_device *vdev = video_devdata(file);
1167 struct saa7134_dev *dev = video_drvdata(file);
1168 struct v4l2_fh *fh = file->private_data;
1169 struct saa6588_command cmd;
1170 unsigned long flags;
1171
1172 mutex_lock(&dev->lock);
1173 saa7134_tvaudio_close(dev);
1174
1175
1176 if (fh == dev->overlay_owner) {
1177 spin_lock_irqsave(&dev->slock,flags);
1178 stop_preview(dev);
1179 spin_unlock_irqrestore(&dev->slock,flags);
1180 dev->overlay_owner = NULL;
1181 }
1182
1183 if (vdev->vfl_type == VFL_TYPE_RADIO)
1184 v4l2_fh_release(file);
1185 else
1186 _vb2_fop_release(file, NULL);
1187
1188
1189 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1190 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1191 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1192 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1193
1194 saa_call_all(dev, tuner, standby);
1195 if (vdev->vfl_type == VFL_TYPE_RADIO)
1196 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1197 mutex_unlock(&dev->lock);
1198
1199 return 0;
1200}
1201
1202static ssize_t radio_read(struct file *file, char __user *data,
1203 size_t count, loff_t *ppos)
1204{
1205 struct saa7134_dev *dev = video_drvdata(file);
1206 struct saa6588_command cmd;
1207
1208 cmd.block_count = count/3;
1209 cmd.nonblocking = file->f_flags & O_NONBLOCK;
1210 cmd.buffer = data;
1211 cmd.instance = file;
1212 cmd.result = -ENODEV;
1213
1214 mutex_lock(&dev->lock);
1215 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1216 mutex_unlock(&dev->lock);
1217
1218 return cmd.result;
1219}
1220
1221static __poll_t radio_poll(struct file *file, poll_table *wait)
1222{
1223 struct saa7134_dev *dev = video_drvdata(file);
1224 struct saa6588_command cmd;
1225 __poll_t rc = v4l2_ctrl_poll(file, wait);
1226
1227 cmd.instance = file;
1228 cmd.event_list = wait;
1229 cmd.poll_mask = 0;
1230 mutex_lock(&dev->lock);
1231 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1232 mutex_unlock(&dev->lock);
1233
1234 return rc | cmd.poll_mask;
1235}
1236
1237
1238
1239static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1240 struct v4l2_format *f)
1241{
1242 struct saa7134_dev *dev = video_drvdata(file);
1243 struct saa7134_tvnorm *norm = dev->tvnorm;
1244
1245 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1246 f->fmt.vbi.sampling_rate = 6750000 * 4;
1247 f->fmt.vbi.samples_per_line = 2048 ;
1248 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1249 f->fmt.vbi.offset = 64 * 4;
1250 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1251 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1252 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1253 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1254 f->fmt.vbi.flags = 0;
1255
1256 return 0;
1257}
1258
1259static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1260 struct v4l2_format *f)
1261{
1262 struct saa7134_dev *dev = video_drvdata(file);
1263
1264 f->fmt.pix.width = dev->width;
1265 f->fmt.pix.height = dev->height;
1266 f->fmt.pix.field = dev->field;
1267 f->fmt.pix.pixelformat = dev->fmt->fourcc;
1268 if (dev->fmt->planar)
1269 f->fmt.pix.bytesperline = f->fmt.pix.width;
1270 else
1271 f->fmt.pix.bytesperline =
1272 (f->fmt.pix.width * dev->fmt->depth) / 8;
1273 f->fmt.pix.sizeimage =
1274 (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8;
1275 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1276 return 0;
1277}
1278
1279static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1280 struct v4l2_format *f)
1281{
1282 struct saa7134_dev *dev = video_drvdata(file);
1283 struct v4l2_clip __user *clips = f->fmt.win.clips;
1284 u32 clipcount = f->fmt.win.clipcount;
1285 int err = 0;
1286 int i;
1287
1288 if (saa7134_no_overlay > 0) {
1289 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1290 return -EINVAL;
1291 }
1292 f->fmt.win = dev->win;
1293 f->fmt.win.clips = clips;
1294 if (clips == NULL)
1295 clipcount = 0;
1296 if (dev->nclips < clipcount)
1297 clipcount = dev->nclips;
1298 f->fmt.win.clipcount = clipcount;
1299
1300 for (i = 0; !err && i < clipcount; i++) {
1301 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1302 sizeof(struct v4l2_rect)))
1303 err = -EFAULT;
1304 }
1305
1306 return err;
1307}
1308
1309static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1310 struct v4l2_format *f)
1311{
1312 struct saa7134_dev *dev = video_drvdata(file);
1313 struct saa7134_format *fmt;
1314 enum v4l2_field field;
1315 unsigned int maxw, maxh;
1316
1317 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1318 if (NULL == fmt)
1319 return -EINVAL;
1320
1321 field = f->fmt.pix.field;
1322 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1323 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1324
1325 if (V4L2_FIELD_ANY == field) {
1326 field = (f->fmt.pix.height > maxh/2)
1327 ? V4L2_FIELD_INTERLACED
1328 : V4L2_FIELD_BOTTOM;
1329 }
1330 switch (field) {
1331 case V4L2_FIELD_TOP:
1332 case V4L2_FIELD_BOTTOM:
1333 maxh = maxh / 2;
1334 break;
1335 default:
1336 field = V4L2_FIELD_INTERLACED;
1337 break;
1338 }
1339
1340 f->fmt.pix.field = field;
1341 if (f->fmt.pix.width < 48)
1342 f->fmt.pix.width = 48;
1343 if (f->fmt.pix.height < 32)
1344 f->fmt.pix.height = 32;
1345 if (f->fmt.pix.width > maxw)
1346 f->fmt.pix.width = maxw;
1347 if (f->fmt.pix.height > maxh)
1348 f->fmt.pix.height = maxh;
1349 f->fmt.pix.width &= ~0x03;
1350 if (fmt->planar)
1351 f->fmt.pix.bytesperline = f->fmt.pix.width;
1352 else
1353 f->fmt.pix.bytesperline =
1354 (f->fmt.pix.width * fmt->depth) / 8;
1355 f->fmt.pix.sizeimage =
1356 (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8;
1357 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1358
1359 return 0;
1360}
1361
1362static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1363 struct v4l2_format *f)
1364{
1365 struct saa7134_dev *dev = video_drvdata(file);
1366
1367 if (saa7134_no_overlay > 0) {
1368 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1369 return -EINVAL;
1370 }
1371
1372 if (f->fmt.win.clips == NULL)
1373 f->fmt.win.clipcount = 0;
1374 return verify_preview(dev, &f->fmt.win, true);
1375}
1376
1377static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1378 struct v4l2_format *f)
1379{
1380 struct saa7134_dev *dev = video_drvdata(file);
1381 int err;
1382
1383 err = saa7134_try_fmt_vid_cap(file, priv, f);
1384 if (0 != err)
1385 return err;
1386
1387 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1388 dev->width = f->fmt.pix.width;
1389 dev->height = f->fmt.pix.height;
1390 dev->field = f->fmt.pix.field;
1391 return 0;
1392}
1393
1394static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1395 struct v4l2_format *f)
1396{
1397 struct saa7134_dev *dev = video_drvdata(file);
1398 int err;
1399 unsigned long flags;
1400
1401 if (saa7134_no_overlay > 0) {
1402 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1403 return -EINVAL;
1404 }
1405 if (f->fmt.win.clips == NULL)
1406 f->fmt.win.clipcount = 0;
1407 err = verify_preview(dev, &f->fmt.win, true);
1408 if (0 != err)
1409 return err;
1410
1411 dev->win = f->fmt.win;
1412 dev->nclips = f->fmt.win.clipcount;
1413
1414 if (copy_from_user(dev->clips, f->fmt.win.clips,
1415 sizeof(struct v4l2_clip) * dev->nclips))
1416 return -EFAULT;
1417
1418 if (priv == dev->overlay_owner) {
1419 spin_lock_irqsave(&dev->slock, flags);
1420 stop_preview(dev);
1421 start_preview(dev);
1422 spin_unlock_irqrestore(&dev->slock, flags);
1423 }
1424
1425 return 0;
1426}
1427
1428int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1429{
1430 struct saa7134_dev *dev = video_drvdata(file);
1431 unsigned int n;
1432
1433 n = i->index;
1434 if (n >= SAA7134_INPUT_MAX)
1435 return -EINVAL;
1436 if (card_in(dev, i->index).type == SAA7134_NO_INPUT)
1437 return -EINVAL;
1438 i->index = n;
1439 strscpy(i->name, saa7134_input_name[card_in(dev, n).type],
1440 sizeof(i->name));
1441 switch (card_in(dev, n).type) {
1442 case SAA7134_INPUT_TV:
1443 case SAA7134_INPUT_TV_MONO:
1444 i->type = V4L2_INPUT_TYPE_TUNER;
1445 break;
1446 default:
1447 i->type = V4L2_INPUT_TYPE_CAMERA;
1448 break;
1449 }
1450 if (n == dev->ctl_input) {
1451 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1452 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1453
1454 if (0 != (v1 & 0x40))
1455 i->status |= V4L2_IN_ST_NO_H_LOCK;
1456 if (0 != (v2 & 0x40))
1457 i->status |= V4L2_IN_ST_NO_SIGNAL;
1458 if (0 != (v2 & 0x0e))
1459 i->status |= V4L2_IN_ST_MACROVISION;
1460 }
1461 i->std = SAA7134_NORMS;
1462 return 0;
1463}
1464EXPORT_SYMBOL_GPL(saa7134_enum_input);
1465
1466int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1467{
1468 struct saa7134_dev *dev = video_drvdata(file);
1469
1470 *i = dev->ctl_input;
1471 return 0;
1472}
1473EXPORT_SYMBOL_GPL(saa7134_g_input);
1474
1475int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1476{
1477 struct saa7134_dev *dev = video_drvdata(file);
1478
1479 if (i >= SAA7134_INPUT_MAX)
1480 return -EINVAL;
1481 if (card_in(dev, i).type == SAA7134_NO_INPUT)
1482 return -EINVAL;
1483 video_mux(dev, i);
1484 return 0;
1485}
1486EXPORT_SYMBOL_GPL(saa7134_s_input);
1487
1488int saa7134_querycap(struct file *file, void *priv,
1489 struct v4l2_capability *cap)
1490{
1491 struct saa7134_dev *dev = video_drvdata(file);
1492
1493 strscpy(cap->driver, "saa7134", sizeof(cap->driver));
1494 strscpy(cap->card, saa7134_boards[dev->board].name,
1495 sizeof(cap->card));
1496 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1497 cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1498 V4L2_CAP_RADIO | V4L2_CAP_VIDEO_CAPTURE |
1499 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1500 if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1501 cap->capabilities |= V4L2_CAP_TUNER;
1502 if (dev->has_rds)
1503 cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
1504 if (saa7134_no_overlay <= 0)
1505 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1506
1507 return 0;
1508}
1509EXPORT_SYMBOL_GPL(saa7134_querycap);
1510
1511int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1512{
1513 struct saa7134_dev *dev = video_drvdata(file);
1514 struct v4l2_fh *fh = priv;
1515 unsigned long flags;
1516 unsigned int i;
1517 v4l2_std_id fixup;
1518
1519 if (is_empress(file) && dev->overlay_owner) {
1520
1521
1522 return -EBUSY;
1523 }
1524
1525 for (i = 0; i < TVNORMS; i++)
1526 if (id == tvnorms[i].id)
1527 break;
1528
1529 if (i == TVNORMS)
1530 for (i = 0; i < TVNORMS; i++)
1531 if (id & tvnorms[i].id)
1532 break;
1533 if (i == TVNORMS)
1534 return -EINVAL;
1535
1536 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1537 if (secam[0] == 'L' || secam[0] == 'l') {
1538 if (secam[1] == 'C' || secam[1] == 'c')
1539 fixup = V4L2_STD_SECAM_LC;
1540 else
1541 fixup = V4L2_STD_SECAM_L;
1542 } else {
1543 if (secam[0] == 'D' || secam[0] == 'd')
1544 fixup = V4L2_STD_SECAM_DK;
1545 else
1546 fixup = V4L2_STD_SECAM;
1547 }
1548 for (i = 0; i < TVNORMS; i++) {
1549 if (fixup == tvnorms[i].id)
1550 break;
1551 }
1552 if (i == TVNORMS)
1553 return -EINVAL;
1554 }
1555
1556 id = tvnorms[i].id;
1557
1558 if (!is_empress(file) && fh == dev->overlay_owner) {
1559 spin_lock_irqsave(&dev->slock, flags);
1560 stop_preview(dev);
1561 spin_unlock_irqrestore(&dev->slock, flags);
1562
1563 set_tvnorm(dev, &tvnorms[i]);
1564
1565 spin_lock_irqsave(&dev->slock, flags);
1566 start_preview(dev);
1567 spin_unlock_irqrestore(&dev->slock, flags);
1568 } else
1569 set_tvnorm(dev, &tvnorms[i]);
1570
1571 saa7134_tvaudio_do_scan(dev);
1572 return 0;
1573}
1574EXPORT_SYMBOL_GPL(saa7134_s_std);
1575
1576int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1577{
1578 struct saa7134_dev *dev = video_drvdata(file);
1579
1580 *id = dev->tvnorm->id;
1581 return 0;
1582}
1583EXPORT_SYMBOL_GPL(saa7134_g_std);
1584
1585static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1586{
1587 static v4l2_std_id stds[] = {
1588 V4L2_STD_UNKNOWN,
1589 V4L2_STD_NTSC,
1590 V4L2_STD_PAL,
1591 V4L2_STD_SECAM };
1592
1593 v4l2_std_id result = 0;
1594
1595 u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1596 u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1597
1598 if (!(st2 & 0x1))
1599 result = V4L2_STD_UNKNOWN;
1600 else
1601 result = stds[st1 & 0x03];
1602
1603 return result;
1604}
1605
1606int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1607{
1608 struct saa7134_dev *dev = video_drvdata(file);
1609 *std &= saa7134_read_std(dev);
1610 return 0;
1611}
1612EXPORT_SYMBOL_GPL(saa7134_querystd);
1613
1614static int saa7134_g_pixelaspect(struct file *file, void *priv,
1615 int type, struct v4l2_fract *f)
1616{
1617 struct saa7134_dev *dev = video_drvdata(file);
1618
1619 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1620 type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1621 return -EINVAL;
1622
1623 if (dev->tvnorm->id & V4L2_STD_525_60) {
1624 f->numerator = 11;
1625 f->denominator = 10;
1626 }
1627 if (dev->tvnorm->id & V4L2_STD_625_50) {
1628 f->numerator = 54;
1629 f->denominator = 59;
1630 }
1631 return 0;
1632}
1633
1634static int saa7134_g_selection(struct file *file, void *f, struct v4l2_selection *sel)
1635{
1636 struct saa7134_dev *dev = video_drvdata(file);
1637
1638 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1639 sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1640 return -EINVAL;
1641
1642 switch (sel->target) {
1643 case V4L2_SEL_TGT_CROP:
1644 sel->r = dev->crop_current;
1645 break;
1646 case V4L2_SEL_TGT_CROP_DEFAULT:
1647 sel->r = dev->crop_defrect;
1648 break;
1649 case V4L2_SEL_TGT_CROP_BOUNDS:
1650 sel->r = dev->crop_bounds;
1651 break;
1652 default:
1653 return -EINVAL;
1654 }
1655 return 0;
1656}
1657
1658static int saa7134_s_selection(struct file *file, void *f, struct v4l2_selection *sel)
1659{
1660 struct saa7134_dev *dev = video_drvdata(file);
1661 struct v4l2_rect *b = &dev->crop_bounds;
1662 struct v4l2_rect *c = &dev->crop_current;
1663
1664 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1665 sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1666 return -EINVAL;
1667
1668 if (sel->target != V4L2_SEL_TGT_CROP)
1669 return -EINVAL;
1670
1671 if (dev->overlay_owner)
1672 return -EBUSY;
1673 if (vb2_is_streaming(&dev->video_vbq))
1674 return -EBUSY;
1675
1676 *c = sel->r;
1677 if (c->top < b->top)
1678 c->top = b->top;
1679 if (c->top > b->top + b->height)
1680 c->top = b->top + b->height;
1681 if (c->height > b->top - c->top + b->height)
1682 c->height = b->top - c->top + b->height;
1683
1684 if (c->left < b->left)
1685 c->left = b->left;
1686 if (c->left > b->left + b->width)
1687 c->left = b->left + b->width;
1688 if (c->width > b->left - c->left + b->width)
1689 c->width = b->left - c->left + b->width;
1690 sel->r = *c;
1691 return 0;
1692}
1693
1694int saa7134_g_tuner(struct file *file, void *priv,
1695 struct v4l2_tuner *t)
1696{
1697 struct saa7134_dev *dev = video_drvdata(file);
1698 int n;
1699
1700 if (0 != t->index)
1701 return -EINVAL;
1702 memset(t, 0, sizeof(*t));
1703 for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1704 if (card_in(dev, n).type == SAA7134_INPUT_TV ||
1705 card_in(dev, n).type == SAA7134_INPUT_TV_MONO)
1706 break;
1707 }
1708 if (n == SAA7134_INPUT_MAX)
1709 return -EINVAL;
1710 if (card_in(dev, n).type != SAA7134_NO_INPUT) {
1711 strscpy(t->name, "Television", sizeof(t->name));
1712 t->type = V4L2_TUNER_ANALOG_TV;
1713 saa_call_all(dev, tuner, g_tuner, t);
1714 t->capability = V4L2_TUNER_CAP_NORM |
1715 V4L2_TUNER_CAP_STEREO |
1716 V4L2_TUNER_CAP_LANG1 |
1717 V4L2_TUNER_CAP_LANG2;
1718 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1719 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1720 }
1721 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1722 t->signal = 0xffff;
1723 return 0;
1724}
1725EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1726
1727int saa7134_s_tuner(struct file *file, void *priv,
1728 const struct v4l2_tuner *t)
1729{
1730 struct saa7134_dev *dev = video_drvdata(file);
1731 int rx, mode;
1732
1733 if (0 != t->index)
1734 return -EINVAL;
1735
1736 mode = dev->thread.mode;
1737 if (UNSET == mode) {
1738 rx = saa7134_tvaudio_getstereo(dev);
1739 mode = saa7134_tvaudio_rx2mode(rx);
1740 }
1741 if (mode != t->audmode)
1742 dev->thread.mode = t->audmode;
1743
1744 return 0;
1745}
1746EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1747
1748int saa7134_g_frequency(struct file *file, void *priv,
1749 struct v4l2_frequency *f)
1750{
1751 struct saa7134_dev *dev = video_drvdata(file);
1752
1753 if (0 != f->tuner)
1754 return -EINVAL;
1755
1756 saa_call_all(dev, tuner, g_frequency, f);
1757
1758 return 0;
1759}
1760EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1761
1762int saa7134_s_frequency(struct file *file, void *priv,
1763 const struct v4l2_frequency *f)
1764{
1765 struct saa7134_dev *dev = video_drvdata(file);
1766
1767 if (0 != f->tuner)
1768 return -EINVAL;
1769
1770 saa_call_all(dev, tuner, s_frequency, f);
1771
1772 saa7134_tvaudio_do_scan(dev);
1773 return 0;
1774}
1775EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1776
1777static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
1778 struct v4l2_fmtdesc *f)
1779{
1780 if (f->index >= FORMATS)
1781 return -EINVAL;
1782
1783 strscpy(f->description, formats[f->index].name,
1784 sizeof(f->description));
1785
1786 f->pixelformat = formats[f->index].fourcc;
1787
1788 return 0;
1789}
1790
1791static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
1792 struct v4l2_fmtdesc *f)
1793{
1794 if (saa7134_no_overlay > 0) {
1795 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1796 return -EINVAL;
1797 }
1798
1799 if ((f->index >= FORMATS) || formats[f->index].planar)
1800 return -EINVAL;
1801
1802 strscpy(f->description, formats[f->index].name,
1803 sizeof(f->description));
1804
1805 f->pixelformat = formats[f->index].fourcc;
1806
1807 return 0;
1808}
1809
1810static int saa7134_g_fbuf(struct file *file, void *f,
1811 struct v4l2_framebuffer *fb)
1812{
1813 struct saa7134_dev *dev = video_drvdata(file);
1814
1815 *fb = dev->ovbuf;
1816 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1817
1818 return 0;
1819}
1820
1821static int saa7134_s_fbuf(struct file *file, void *f,
1822 const struct v4l2_framebuffer *fb)
1823{
1824 struct saa7134_dev *dev = video_drvdata(file);
1825 struct saa7134_format *fmt;
1826
1827 if (!capable(CAP_SYS_ADMIN) &&
1828 !capable(CAP_SYS_RAWIO))
1829 return -EPERM;
1830
1831
1832 fmt = format_by_fourcc(fb->fmt.pixelformat);
1833 if (NULL == fmt)
1834 return -EINVAL;
1835
1836
1837 dev->ovbuf = *fb;
1838 dev->ovfmt = fmt;
1839 if (0 == dev->ovbuf.fmt.bytesperline)
1840 dev->ovbuf.fmt.bytesperline =
1841 dev->ovbuf.fmt.width*fmt->depth/8;
1842 return 0;
1843}
1844
1845static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
1846{
1847 struct saa7134_dev *dev = video_drvdata(file);
1848 unsigned long flags;
1849
1850 if (on) {
1851 if (saa7134_no_overlay > 0) {
1852 video_dbg("no_overlay\n");
1853 return -EINVAL;
1854 }
1855
1856 if (dev->overlay_owner && priv != dev->overlay_owner)
1857 return -EBUSY;
1858 dev->overlay_owner = priv;
1859 spin_lock_irqsave(&dev->slock, flags);
1860 start_preview(dev);
1861 spin_unlock_irqrestore(&dev->slock, flags);
1862 }
1863 if (!on) {
1864 if (priv != dev->overlay_owner)
1865 return -EINVAL;
1866 spin_lock_irqsave(&dev->slock, flags);
1867 stop_preview(dev);
1868 spin_unlock_irqrestore(&dev->slock, flags);
1869 dev->overlay_owner = NULL;
1870 }
1871 return 0;
1872}
1873
1874#ifdef CONFIG_VIDEO_ADV_DEBUG
1875static int vidioc_g_register (struct file *file, void *priv,
1876 struct v4l2_dbg_register *reg)
1877{
1878 struct saa7134_dev *dev = video_drvdata(file);
1879
1880 reg->val = saa_readb(reg->reg & 0xffffff);
1881 reg->size = 1;
1882 return 0;
1883}
1884
1885static int vidioc_s_register (struct file *file, void *priv,
1886 const struct v4l2_dbg_register *reg)
1887{
1888 struct saa7134_dev *dev = video_drvdata(file);
1889
1890 saa_writeb(reg->reg & 0xffffff, reg->val);
1891 return 0;
1892}
1893#endif
1894
1895static int radio_g_tuner(struct file *file, void *priv,
1896 struct v4l2_tuner *t)
1897{
1898 struct saa7134_dev *dev = video_drvdata(file);
1899
1900 if (0 != t->index)
1901 return -EINVAL;
1902
1903 strscpy(t->name, "Radio", sizeof(t->name));
1904
1905 saa_call_all(dev, tuner, g_tuner, t);
1906 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1907 if (dev->input->amux == TV) {
1908 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1909 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1910 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1911 }
1912 return 0;
1913}
1914static int radio_s_tuner(struct file *file, void *priv,
1915 const struct v4l2_tuner *t)
1916{
1917 struct saa7134_dev *dev = video_drvdata(file);
1918
1919 if (0 != t->index)
1920 return -EINVAL;
1921
1922 saa_call_all(dev, tuner, s_tuner, t);
1923 return 0;
1924}
1925
1926static const struct v4l2_file_operations video_fops =
1927{
1928 .owner = THIS_MODULE,
1929 .open = video_open,
1930 .release = video_release,
1931 .read = vb2_fop_read,
1932 .poll = vb2_fop_poll,
1933 .mmap = vb2_fop_mmap,
1934 .unlocked_ioctl = video_ioctl2,
1935};
1936
1937static const struct v4l2_ioctl_ops video_ioctl_ops = {
1938 .vidioc_querycap = saa7134_querycap,
1939 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap,
1940 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
1941 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
1942 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
1943 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay,
1944 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay,
1945 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay,
1946 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay,
1947 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1948 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1949 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1950 .vidioc_g_pixelaspect = saa7134_g_pixelaspect,
1951 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1952 .vidioc_querybuf = vb2_ioctl_querybuf,
1953 .vidioc_qbuf = vb2_ioctl_qbuf,
1954 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1955 .vidioc_expbuf = vb2_ioctl_expbuf,
1956 .vidioc_s_std = saa7134_s_std,
1957 .vidioc_g_std = saa7134_g_std,
1958 .vidioc_querystd = saa7134_querystd,
1959 .vidioc_enum_input = saa7134_enum_input,
1960 .vidioc_g_input = saa7134_g_input,
1961 .vidioc_s_input = saa7134_s_input,
1962 .vidioc_streamon = vb2_ioctl_streamon,
1963 .vidioc_streamoff = vb2_ioctl_streamoff,
1964 .vidioc_g_tuner = saa7134_g_tuner,
1965 .vidioc_s_tuner = saa7134_s_tuner,
1966 .vidioc_g_selection = saa7134_g_selection,
1967 .vidioc_s_selection = saa7134_s_selection,
1968 .vidioc_g_fbuf = saa7134_g_fbuf,
1969 .vidioc_s_fbuf = saa7134_s_fbuf,
1970 .vidioc_overlay = saa7134_overlay,
1971 .vidioc_g_frequency = saa7134_g_frequency,
1972 .vidioc_s_frequency = saa7134_s_frequency,
1973#ifdef CONFIG_VIDEO_ADV_DEBUG
1974 .vidioc_g_register = vidioc_g_register,
1975 .vidioc_s_register = vidioc_s_register,
1976#endif
1977 .vidioc_log_status = v4l2_ctrl_log_status,
1978 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1979 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1980};
1981
1982static const struct v4l2_file_operations radio_fops = {
1983 .owner = THIS_MODULE,
1984 .open = video_open,
1985 .read = radio_read,
1986 .release = video_release,
1987 .unlocked_ioctl = video_ioctl2,
1988 .poll = radio_poll,
1989};
1990
1991static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1992 .vidioc_querycap = saa7134_querycap,
1993 .vidioc_g_tuner = radio_g_tuner,
1994 .vidioc_s_tuner = radio_s_tuner,
1995 .vidioc_g_frequency = saa7134_g_frequency,
1996 .vidioc_s_frequency = saa7134_s_frequency,
1997 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1998 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1999};
2000
2001
2002
2003
2004struct video_device saa7134_video_template = {
2005 .name = "saa7134-video",
2006 .fops = &video_fops,
2007 .ioctl_ops = &video_ioctl_ops,
2008 .tvnorms = SAA7134_NORMS,
2009};
2010
2011struct video_device saa7134_radio_template = {
2012 .name = "saa7134-radio",
2013 .fops = &radio_fops,
2014 .ioctl_ops = &radio_ioctl_ops,
2015};
2016
2017static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
2018 .s_ctrl = saa7134_s_ctrl,
2019};
2020
2021static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
2022 .ops = &saa7134_ctrl_ops,
2023 .id = V4L2_CID_PRIVATE_INVERT,
2024 .name = "Invert",
2025 .type = V4L2_CTRL_TYPE_BOOLEAN,
2026 .min = 0,
2027 .max = 1,
2028 .step = 1,
2029};
2030
2031static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
2032 .ops = &saa7134_ctrl_ops,
2033 .id = V4L2_CID_PRIVATE_Y_ODD,
2034 .name = "Y Offset Odd Field",
2035 .type = V4L2_CTRL_TYPE_INTEGER,
2036 .min = 0,
2037 .max = 128,
2038 .step = 1,
2039};
2040
2041static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
2042 .ops = &saa7134_ctrl_ops,
2043 .id = V4L2_CID_PRIVATE_Y_EVEN,
2044 .name = "Y Offset Even Field",
2045 .type = V4L2_CTRL_TYPE_INTEGER,
2046 .min = 0,
2047 .max = 128,
2048 .step = 1,
2049};
2050
2051static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
2052 .ops = &saa7134_ctrl_ops,
2053 .id = V4L2_CID_PRIVATE_AUTOMUTE,
2054 .name = "Automute",
2055 .type = V4L2_CTRL_TYPE_BOOLEAN,
2056 .min = 0,
2057 .max = 1,
2058 .step = 1,
2059 .def = 1,
2060};
2061
2062int saa7134_video_init1(struct saa7134_dev *dev)
2063{
2064 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
2065 struct vb2_queue *q;
2066 int ret;
2067
2068
2069 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2070 gbuffers = 2;
2071 if (gbufsize > gbufsize_max)
2072 gbufsize = gbufsize_max;
2073 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2074
2075 v4l2_ctrl_handler_init(hdl, 11);
2076 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2077 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2078 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2079 V4L2_CID_CONTRAST, 0, 127, 1, 68);
2080 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2081 V4L2_CID_SATURATION, 0, 127, 1, 64);
2082 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2083 V4L2_CID_HUE, -128, 127, 1, 0);
2084 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2085 V4L2_CID_HFLIP, 0, 1, 1, 0);
2086 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2087 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
2088 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2089 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
2090 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
2091 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
2092 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
2093 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
2094 if (hdl->error)
2095 return hdl->error;
2096 if (card_has_radio(dev)) {
2097 hdl = &dev->radio_ctrl_handler;
2098 v4l2_ctrl_handler_init(hdl, 2);
2099 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2100 v4l2_ctrl_radio_filter, false);
2101 if (hdl->error)
2102 return hdl->error;
2103 }
2104 dev->ctl_mute = 1;
2105
2106 if (dev->tda9887_conf && saa7134_ctrl_automute.def)
2107 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2108 dev->automute = 0;
2109
2110 INIT_LIST_HEAD(&dev->video_q.queue);
2111 timer_setup(&dev->video_q.timeout, saa7134_buffer_timeout, 0);
2112 dev->video_q.dev = dev;
2113 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2114 dev->width = 720;
2115 dev->height = 576;
2116 dev->field = V4L2_FIELD_INTERLACED;
2117 dev->win.w.width = dev->width;
2118 dev->win.w.height = dev->height;
2119 dev->win.field = V4L2_FIELD_INTERLACED;
2120 dev->ovbuf.fmt.width = dev->width;
2121 dev->ovbuf.fmt.height = dev->height;
2122 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2123 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2124
2125 if (saa7134_boards[dev->board].video_out)
2126 saa7134_videoport_init(dev);
2127
2128 q = &dev->video_vbq;
2129 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2130
2131
2132
2133
2134
2135
2136
2137 q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
2138 if (saa7134_userptr)
2139 q->io_modes |= VB2_USERPTR;
2140 q->drv_priv = &dev->video_q;
2141 q->ops = &vb2_qops;
2142 q->gfp_flags = GFP_DMA32;
2143 q->mem_ops = &vb2_dma_sg_memops;
2144 q->buf_struct_size = sizeof(struct saa7134_buf);
2145 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2146 q->lock = &dev->lock;
2147 q->dev = &dev->pci->dev;
2148 ret = vb2_queue_init(q);
2149 if (ret)
2150 return ret;
2151 saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
2152
2153 q = &dev->vbi_vbq;
2154 q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
2155
2156 q->io_modes = VB2_MMAP | VB2_READ;
2157 if (saa7134_userptr)
2158 q->io_modes |= VB2_USERPTR;
2159 q->drv_priv = &dev->vbi_q;
2160 q->ops = &saa7134_vbi_qops;
2161 q->gfp_flags = GFP_DMA32;
2162 q->mem_ops = &vb2_dma_sg_memops;
2163 q->buf_struct_size = sizeof(struct saa7134_buf);
2164 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2165 q->lock = &dev->lock;
2166 q->dev = &dev->pci->dev;
2167 ret = vb2_queue_init(q);
2168 if (ret)
2169 return ret;
2170 saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
2171
2172 return 0;
2173}
2174
2175void saa7134_video_fini(struct saa7134_dev *dev)
2176{
2177
2178 vb2_queue_release(&dev->video_vbq);
2179 saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
2180 vb2_queue_release(&dev->vbi_vbq);
2181 saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
2182 v4l2_ctrl_handler_free(&dev->ctrl_handler);
2183 if (card_has_radio(dev))
2184 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
2185}
2186
2187int saa7134_videoport_init(struct saa7134_dev *dev)
2188{
2189
2190 int vo = saa7134_boards[dev->board].video_out;
2191 int video_reg;
2192 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2193
2194
2195 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2196 video_reg = video_out[vo][1];
2197 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2198 video_reg &= ~VP_T_CODE_P_INVERTED;
2199 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2200 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2201 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2202 video_reg = video_out[vo][5];
2203 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2204 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2205 if (vid_port_opts & SET_CLOCK_INVERTED)
2206 video_reg |= VP_CLK_CTRL1_INVERTED;
2207 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2208 video_reg = video_out[vo][6];
2209 if (vid_port_opts & SET_VSYNC_OFF) {
2210 video_reg &= ~VP_VS_TYPE_MASK;
2211 video_reg |= VP_VS_TYPE_OFF;
2212 }
2213 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2214 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2215 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2216
2217
2218 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2219
2220 return 0;
2221}
2222
2223int saa7134_video_init2(struct saa7134_dev *dev)
2224{
2225
2226 set_tvnorm(dev,&tvnorms[0]);
2227 video_mux(dev,0);
2228 v4l2_ctrl_handler_setup(&dev->ctrl_handler);
2229 saa7134_tvaudio_setmute(dev);
2230 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2231 return 0;
2232}
2233
2234void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2235{
2236 static const char *st[] = {
2237 "(no signal)", "NTSC", "PAL", "SECAM" };
2238 u32 st1,st2;
2239
2240 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2241 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2242 video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n",
2243 (st1 & 0x40) ? "not locked" : "locked",
2244 (st2 & 0x40) ? "no" : "yes",
2245 st[st1 & 0x03]);
2246 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2247
2248 if (dev->nosignal) {
2249
2250 if (dev->ctl_automute)
2251 dev->automute = 1;
2252 saa7134_tvaudio_setmute(dev);
2253 } else {
2254
2255 saa7134_tvaudio_do_scan(dev);
2256 }
2257
2258 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2259 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2260 else
2261 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2262
2263 if (dev->mops && dev->mops->signal_change)
2264 dev->mops->signal_change(dev);
2265}
2266
2267
2268void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2269{
2270 enum v4l2_field field;
2271
2272 spin_lock(&dev->slock);
2273 if (dev->video_q.curr) {
2274 field = dev->field;
2275 if (V4L2_FIELD_HAS_BOTH(field)) {
2276
2277 if ((status & 0x10) == 0x00) {
2278 dev->video_q.curr->top_seen = 1;
2279 goto done;
2280 }
2281 if (!dev->video_q.curr->top_seen)
2282 goto done;
2283 } else if (field == V4L2_FIELD_TOP) {
2284 if ((status & 0x10) != 0x10)
2285 goto done;
2286 } else if (field == V4L2_FIELD_BOTTOM) {
2287 if ((status & 0x10) != 0x00)
2288 goto done;
2289 }
2290 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
2291 }
2292 saa7134_buffer_next(dev, &dev->video_q);
2293
2294 done:
2295 spin_unlock(&dev->slock);
2296}
2297