1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 *
4 * device driver for philips saa7134 based TV cards
5 * video4linux video interface
6 *
7 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8 */
9
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
26 unsigned int video_debug;
27 static unsigned int gbuffers = 8;
28 static unsigned int noninterlaced; /* 0 */
29 static unsigned int gbufsize = 720*576*4;
30 static unsigned int gbufsize_max = 720*576*4;
31 static char secam[] = "--";
32 module_param(video_debug, int, 0644);
33 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
34 module_param(gbuffers, int, 0444);
35 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
36 module_param(noninterlaced, int, 0644);
37 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
38 module_param_string(secam, secam, sizeof(secam), 0644);
39 MODULE_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 /* Defines for Video Output Port Register at address 0x191 */
49
50 /* Bit 0: VIP code T bit polarity */
51
52 #define VP_T_CODE_P_NON_INVERTED 0x00
53 #define VP_T_CODE_P_INVERTED 0x01
54
55 /* ------------------------------------------------------------------ */
56 /* Defines for Video Output Port Register at address 0x195 */
57
58 /* Bit 2: Video output clock delay control */
59
60 #define VP_CLK_CTRL2_NOT_DELAYED 0x00
61 #define VP_CLK_CTRL2_DELAYED 0x04
62
63 /* Bit 1: Video output clock invert control */
64
65 #define VP_CLK_CTRL1_NON_INVERTED 0x00
66 #define VP_CLK_CTRL1_INVERTED 0x02
67
68 /* ------------------------------------------------------------------ */
69 /* Defines for Video Output Port Register at address 0x196 */
70
71 /* Bits 2 to 0: VSYNC pin video vertical sync type */
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 /* data structs for video */
86
87 static int video_out[][9] = {
88 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
89 };
90
91 static struct saa7134_format formats[] = {
92 {
93 .fourcc = V4L2_PIX_FMT_GREY,
94 .depth = 8,
95 .pm = 0x06,
96 },{
97 .fourcc = V4L2_PIX_FMT_RGB555,
98 .depth = 16,
99 .pm = 0x13 | 0x80,
100 },{
101 .fourcc = V4L2_PIX_FMT_RGB555X,
102 .depth = 16,
103 .pm = 0x13 | 0x80,
104 .bswap = 1,
105 },{
106 .fourcc = V4L2_PIX_FMT_RGB565,
107 .depth = 16,
108 .pm = 0x10 | 0x80,
109 },{
110 .fourcc = V4L2_PIX_FMT_RGB565X,
111 .depth = 16,
112 .pm = 0x10 | 0x80,
113 .bswap = 1,
114 },{
115 .fourcc = V4L2_PIX_FMT_BGR24,
116 .depth = 24,
117 .pm = 0x11,
118 },{
119 .fourcc = V4L2_PIX_FMT_RGB24,
120 .depth = 24,
121 .pm = 0x11,
122 .bswap = 1,
123 },{
124 .fourcc = V4L2_PIX_FMT_BGR32,
125 .depth = 32,
126 .pm = 0x12,
127 },{
128 .fourcc = V4L2_PIX_FMT_RGB32,
129 .depth = 32,
130 .pm = 0x12,
131 .bswap = 1,
132 .wswap = 1,
133 },{
134 .fourcc = V4L2_PIX_FMT_YUYV,
135 .depth = 16,
136 .pm = 0x00,
137 .bswap = 1,
138 .yuv = 1,
139 },{
140 .fourcc = V4L2_PIX_FMT_UYVY,
141 .depth = 16,
142 .pm = 0x00,
143 .yuv = 1,
144 },{
145 .fourcc = V4L2_PIX_FMT_YUV422P,
146 .depth = 16,
147 .pm = 0x09,
148 .yuv = 1,
149 .planar = 1,
150 .hshift = 1,
151 .vshift = 0,
152 },{
153 .fourcc = V4L2_PIX_FMT_YUV420,
154 .depth = 12,
155 .pm = 0x0a,
156 .yuv = 1,
157 .planar = 1,
158 .hshift = 1,
159 .vshift = 1,
160 },{
161 .fourcc = V4L2_PIX_FMT_YVU420,
162 .depth = 12,
163 .pm = 0x0a,
164 .yuv = 1,
165 .planar = 1,
166 .uvswap = 1,
167 .hshift = 1,
168 .vshift = 1,
169 }
170 };
171 #define FORMATS ARRAY_SIZE(formats)
172
173 #define NORM_625_50 \
174 .h_start = 0, \
175 .h_stop = 719, \
176 .video_v_start = 24, \
177 .video_v_stop = 311, \
178 .vbi_v_start_0 = 7, \
179 .vbi_v_stop_0 = 23, \
180 .vbi_v_start_1 = 319, \
181 .src_timing = 4
182
183 #define NORM_525_60 \
184 .h_start = 0, \
185 .h_stop = 719, \
186 .video_v_start = 23, \
187 .video_v_stop = 262, \
188 .vbi_v_start_0 = 10, \
189 .vbi_v_stop_0 = 21, \
190 .vbi_v_start_1 = 273, \
191 .src_timing = 7
192
193 static struct saa7134_tvnorm tvnorms[] = {
194 {
195 .name = "PAL", /* autodetect */
196 .id = V4L2_STD_PAL,
197 NORM_625_50,
198
199 .sync_control = 0x18,
200 .luma_control = 0x40,
201 .chroma_ctrl1 = 0x81,
202 .chroma_gain = 0x2a,
203 .chroma_ctrl2 = 0x06,
204 .vgate_misc = 0x1c,
205
206 },{
207 .name = "PAL-BG",
208 .id = V4L2_STD_PAL_BG,
209 NORM_625_50,
210
211 .sync_control = 0x18,
212 .luma_control = 0x40,
213 .chroma_ctrl1 = 0x81,
214 .chroma_gain = 0x2a,
215 .chroma_ctrl2 = 0x06,
216 .vgate_misc = 0x1c,
217
218 },{
219 .name = "PAL-I",
220 .id = V4L2_STD_PAL_I,
221 NORM_625_50,
222
223 .sync_control = 0x18,
224 .luma_control = 0x40,
225 .chroma_ctrl1 = 0x81,
226 .chroma_gain = 0x2a,
227 .chroma_ctrl2 = 0x06,
228 .vgate_misc = 0x1c,
229
230 },{
231 .name = "PAL-DK",
232 .id = V4L2_STD_PAL_DK,
233 NORM_625_50,
234
235 .sync_control = 0x18,
236 .luma_control = 0x40,
237 .chroma_ctrl1 = 0x81,
238 .chroma_gain = 0x2a,
239 .chroma_ctrl2 = 0x06,
240 .vgate_misc = 0x1c,
241
242 },{
243 .name = "NTSC",
244 .id = V4L2_STD_NTSC,
245 NORM_525_60,
246
247 .sync_control = 0x59,
248 .luma_control = 0x40,
249 .chroma_ctrl1 = 0x89,
250 .chroma_gain = 0x2a,
251 .chroma_ctrl2 = 0x0e,
252 .vgate_misc = 0x18,
253
254 },{
255 .name = "SECAM",
256 .id = V4L2_STD_SECAM,
257 NORM_625_50,
258
259 .sync_control = 0x18,
260 .luma_control = 0x1b,
261 .chroma_ctrl1 = 0xd1,
262 .chroma_gain = 0x80,
263 .chroma_ctrl2 = 0x00,
264 .vgate_misc = 0x1c,
265
266 },{
267 .name = "SECAM-DK",
268 .id = V4L2_STD_SECAM_DK,
269 NORM_625_50,
270
271 .sync_control = 0x18,
272 .luma_control = 0x1b,
273 .chroma_ctrl1 = 0xd1,
274 .chroma_gain = 0x80,
275 .chroma_ctrl2 = 0x00,
276 .vgate_misc = 0x1c,
277
278 },{
279 .name = "SECAM-L",
280 .id = V4L2_STD_SECAM_L,
281 NORM_625_50,
282
283 .sync_control = 0x18,
284 .luma_control = 0x1b,
285 .chroma_ctrl1 = 0xd1,
286 .chroma_gain = 0x80,
287 .chroma_ctrl2 = 0x00,
288 .vgate_misc = 0x1c,
289
290 },{
291 .name = "SECAM-Lc",
292 .id = V4L2_STD_SECAM_LC,
293 NORM_625_50,
294
295 .sync_control = 0x18,
296 .luma_control = 0x1b,
297 .chroma_ctrl1 = 0xd1,
298 .chroma_gain = 0x80,
299 .chroma_ctrl2 = 0x00,
300 .vgate_misc = 0x1c,
301
302 },{
303 .name = "PAL-M",
304 .id = V4L2_STD_PAL_M,
305 NORM_525_60,
306
307 .sync_control = 0x59,
308 .luma_control = 0x40,
309 .chroma_ctrl1 = 0xb9,
310 .chroma_gain = 0x2a,
311 .chroma_ctrl2 = 0x0e,
312 .vgate_misc = 0x18,
313
314 },{
315 .name = "PAL-Nc",
316 .id = V4L2_STD_PAL_Nc,
317 NORM_625_50,
318
319 .sync_control = 0x18,
320 .luma_control = 0x40,
321 .chroma_ctrl1 = 0xa1,
322 .chroma_gain = 0x2a,
323 .chroma_ctrl2 = 0x06,
324 .vgate_misc = 0x1c,
325
326 },{
327 .name = "PAL-60",
328 .id = V4L2_STD_PAL_60,
329
330 .h_start = 0,
331 .h_stop = 719,
332 .video_v_start = 23,
333 .video_v_stop = 262,
334 .vbi_v_start_0 = 10,
335 .vbi_v_stop_0 = 21,
336 .vbi_v_start_1 = 273,
337 .src_timing = 7,
338
339 .sync_control = 0x18,
340 .luma_control = 0x40,
341 .chroma_ctrl1 = 0x81,
342 .chroma_gain = 0x2a,
343 .chroma_ctrl2 = 0x06,
344 .vgate_misc = 0x1c,
345 }
346 };
347 #define TVNORMS ARRAY_SIZE(tvnorms)
348
format_by_fourcc(unsigned int fourcc)349 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
350 {
351 unsigned int i;
352
353 for (i = 0; i < FORMATS; i++)
354 if (formats[i].fourcc == fourcc)
355 return formats+i;
356 return NULL;
357 }
358
359 /* ------------------------------------------------------------------ */
360
set_tvnorm(struct saa7134_dev * dev,struct saa7134_tvnorm * norm)361 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
362 {
363 video_dbg("set tv norm = %s\n", norm->name);
364 dev->tvnorm = norm;
365
366 /* setup cropping */
367 dev->crop_bounds.left = norm->h_start;
368 dev->crop_defrect.left = norm->h_start;
369 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
370 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
371
372 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
373 dev->crop_defrect.top = norm->video_v_start*2;
374 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
375 - dev->crop_bounds.top;
376 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
377
378 dev->crop_current = dev->crop_defrect;
379
380 saa7134_set_tvnorm_hw(dev);
381 }
382
video_mux(struct saa7134_dev * dev,int input)383 static void video_mux(struct saa7134_dev *dev, int input)
384 {
385 video_dbg("video input = %d [%s]\n",
386 input, saa7134_input_name[card_in(dev, input).type]);
387 dev->ctl_input = input;
388 set_tvnorm(dev, dev->tvnorm);
389 saa7134_tvaudio_setinput(dev, &card_in(dev, input));
390 }
391
392
saa7134_set_decoder(struct saa7134_dev * dev)393 static void saa7134_set_decoder(struct saa7134_dev *dev)
394 {
395 int luma_control, sync_control, chroma_ctrl1, mux;
396
397 struct saa7134_tvnorm *norm = dev->tvnorm;
398 mux = card_in(dev, dev->ctl_input).vmux;
399
400 luma_control = norm->luma_control;
401 sync_control = norm->sync_control;
402 chroma_ctrl1 = norm->chroma_ctrl1;
403
404 if (mux > 5)
405 luma_control |= 0x80; /* svideo */
406 if (noninterlaced || dev->nosignal)
407 sync_control |= 0x20;
408
409 /* switch on auto standard detection */
410 sync_control |= SAA7134_SYNC_CTRL_AUFD;
411 chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
412 chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
413 luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
414
415 /* setup video decoder */
416 saa_writeb(SAA7134_INCR_DELAY, 0x08);
417 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
418 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
419
420 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
421 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
422 saa_writeb(SAA7134_HSYNC_START, 0xeb);
423 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
424 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
425
426 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
427 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
428 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
429
430 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
431 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
432
433 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
434 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
435
436 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
437 saa_writeb(SAA7134_CHROMA_CTRL1, chroma_ctrl1);
438 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
439
440 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
441 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
442
443 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
444 saa_writeb(SAA7134_VGATE_START, 0x11);
445 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
446 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
447 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
448 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
449 }
450
saa7134_set_tvnorm_hw(struct saa7134_dev * dev)451 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
452 {
453 saa7134_set_decoder(dev);
454
455 saa_call_all(dev, video, s_std, dev->tvnorm->id);
456 /* Set the correct norm for the saa6752hs. This function
457 does nothing if there is no saa6752hs. */
458 saa_call_empress(dev, video, s_std, dev->tvnorm->id);
459 }
460
set_h_prescale(struct saa7134_dev * dev,int task,int prescale)461 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
462 {
463 static const struct {
464 int xpsc;
465 int xacl;
466 int xc2_1;
467 int xdcg;
468 int vpfy;
469 } vals[] = {
470 /* XPSC XACL XC2_1 XDCG VPFY */
471 { 1, 0, 0, 0, 0 },
472 { 2, 2, 1, 2, 2 },
473 { 3, 4, 1, 3, 2 },
474 { 4, 8, 1, 4, 2 },
475 { 5, 8, 1, 4, 2 },
476 { 6, 8, 1, 4, 3 },
477 { 7, 8, 1, 4, 3 },
478 { 8, 15, 0, 4, 3 },
479 { 9, 15, 0, 4, 3 },
480 { 10, 16, 1, 5, 3 },
481 };
482 static const int count = ARRAY_SIZE(vals);
483 int i;
484
485 for (i = 0; i < count; i++)
486 if (vals[i].xpsc == prescale)
487 break;
488 if (i == count)
489 return;
490
491 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
492 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
493 saa_writeb(SAA7134_LEVEL_CTRL(task),
494 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
495 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
496 (vals[i].vpfy << 2) | vals[i].vpfy);
497 }
498
set_v_scale(struct saa7134_dev * dev,int task,int yscale)499 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
500 {
501 int val,mirror;
502
503 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
504 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
505
506 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
507 if (yscale < 2048) {
508 /* LPI */
509 video_dbg("yscale LPI yscale=%d\n", yscale);
510 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
511 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
512 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
513 } else {
514 /* ACM */
515 val = 0x40 * 1024 / yscale;
516 video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val);
517 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
518 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
519 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
520 }
521 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
522 }
523
set_size(struct saa7134_dev * dev,int task,int width,int height,int interlace)524 static void set_size(struct saa7134_dev *dev, int task,
525 int width, int height, int interlace)
526 {
527 int prescale,xscale,yscale,y_even,y_odd;
528 int h_start, h_stop, v_start, v_stop;
529 int div = interlace ? 2 : 1;
530
531 /* setup video scaler */
532 h_start = dev->crop_current.left;
533 v_start = dev->crop_current.top/2;
534 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
535 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
536
537 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
538 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
539 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
540 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
541 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
542 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
543 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
544 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
545
546 prescale = dev->crop_current.width / width;
547 if (0 == prescale)
548 prescale = 1;
549 xscale = 1024 * dev->crop_current.width / prescale / width;
550 yscale = 512 * div * dev->crop_current.height / height;
551 video_dbg("prescale=%d xscale=%d yscale=%d\n",
552 prescale, xscale, yscale);
553 set_h_prescale(dev,task,prescale);
554 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
555 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
556 set_v_scale(dev,task,yscale);
557
558 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
559 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
560 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
561 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
562
563 /* deinterlace y offsets */
564 y_odd = dev->ctl_y_odd;
565 y_even = dev->ctl_y_even;
566 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
567 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
568 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
569 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
570 }
571
572 /* ------------------------------------------------------------------ */
573
574 /*
575 * Media Controller helper functions
576 */
577
saa7134_enable_analog_tuner(struct saa7134_dev * dev)578 static int saa7134_enable_analog_tuner(struct saa7134_dev *dev)
579 {
580 #ifdef CONFIG_MEDIA_CONTROLLER
581 struct media_device *mdev = dev->media_dev;
582 struct media_entity *source;
583 struct media_link *link, *found_link = NULL;
584 int ret, active_links = 0;
585
586 if (!mdev || !dev->decoder)
587 return 0;
588
589 /*
590 * This will find the tuner that is connected into the decoder.
591 * Technically, this is not 100% correct, as the device may be
592 * using an analog input instead of the tuner. However, as we can't
593 * do DVB streaming while the DMA engine is being used for V4L2,
594 * this should be enough for the actual needs.
595 */
596 list_for_each_entry(link, &dev->decoder->links, list) {
597 if (link->sink->entity == dev->decoder) {
598 found_link = link;
599 if (link->flags & MEDIA_LNK_FL_ENABLED)
600 active_links++;
601 break;
602 }
603 }
604
605 if (active_links == 1 || !found_link)
606 return 0;
607
608 source = found_link->source->entity;
609 list_for_each_entry(link, &source->links, list) {
610 struct media_entity *sink;
611 int flags = 0;
612
613 sink = link->sink->entity;
614
615 if (sink == dev->decoder)
616 flags = MEDIA_LNK_FL_ENABLED;
617
618 ret = media_entity_setup_link(link, flags);
619 if (ret) {
620 pr_err("Couldn't change link %s->%s to %s. Error %d\n",
621 source->name, sink->name,
622 flags ? "enabled" : "disabled",
623 ret);
624 return ret;
625 }
626 }
627 #endif
628 return 0;
629 }
630
631 /* ------------------------------------------------------------------ */
632
buffer_activate(struct saa7134_dev * dev,struct saa7134_buf * buf,struct saa7134_buf * next)633 static int buffer_activate(struct saa7134_dev *dev,
634 struct saa7134_buf *buf,
635 struct saa7134_buf *next)
636 {
637 struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv;
638 unsigned long base,control,bpl;
639 unsigned long bpl_uv, lines_uv, base2, base3; /* planar */
640
641 video_dbg("buffer_activate buf=%p\n", buf);
642 buf->top_seen = 0;
643
644 set_size(dev, TASK_A, dev->width, dev->height,
645 V4L2_FIELD_HAS_BOTH(dev->field));
646 if (dev->fmt->yuv)
647 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
648 else
649 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
650 saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
651
652 /* DMA: setup channel 0 (= Video Task A0) */
653 base = saa7134_buffer_base(buf);
654 if (dev->fmt->planar)
655 bpl = dev->width;
656 else
657 bpl = (dev->width * dev->fmt->depth) / 8;
658 control = SAA7134_RS_CONTROL_BURST_16 |
659 SAA7134_RS_CONTROL_ME |
660 (dmaq->pt.dma >> 12);
661 if (dev->fmt->bswap)
662 control |= SAA7134_RS_CONTROL_BSWAP;
663 if (dev->fmt->wswap)
664 control |= SAA7134_RS_CONTROL_WSWAP;
665 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
666 /* interlaced */
667 saa_writel(SAA7134_RS_BA1(0),base);
668 saa_writel(SAA7134_RS_BA2(0),base+bpl);
669 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
670 } else {
671 /* non-interlaced */
672 saa_writel(SAA7134_RS_BA1(0),base);
673 saa_writel(SAA7134_RS_BA2(0),base);
674 saa_writel(SAA7134_RS_PITCH(0),bpl);
675 }
676 saa_writel(SAA7134_RS_CONTROL(0),control);
677
678 if (dev->fmt->planar) {
679 /* DMA: setup channel 4+5 (= planar task A) */
680 bpl_uv = bpl >> dev->fmt->hshift;
681 lines_uv = dev->height >> dev->fmt->vshift;
682 base2 = base + bpl * dev->height;
683 base3 = base2 + bpl_uv * lines_uv;
684 if (dev->fmt->uvswap)
685 swap(base2, base3);
686 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
687 bpl_uv,lines_uv,base2,base3);
688 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
689 /* interlaced */
690 saa_writel(SAA7134_RS_BA1(4),base2);
691 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
692 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
693 saa_writel(SAA7134_RS_BA1(5),base3);
694 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
695 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
696 } else {
697 /* non-interlaced */
698 saa_writel(SAA7134_RS_BA1(4),base2);
699 saa_writel(SAA7134_RS_BA2(4),base2);
700 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
701 saa_writel(SAA7134_RS_BA1(5),base3);
702 saa_writel(SAA7134_RS_BA2(5),base3);
703 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
704 }
705 saa_writel(SAA7134_RS_CONTROL(4),control);
706 saa_writel(SAA7134_RS_CONTROL(5),control);
707 }
708
709 /* start DMA */
710 saa7134_set_dmabits(dev);
711 mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
712 return 0;
713 }
714
buffer_init(struct vb2_buffer * vb2)715 static int buffer_init(struct vb2_buffer *vb2)
716 {
717 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
718 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
719 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
720
721 dmaq->curr = NULL;
722 buf->activate = buffer_activate;
723 return 0;
724 }
725
buffer_prepare(struct vb2_buffer * vb2)726 static int buffer_prepare(struct vb2_buffer *vb2)
727 {
728 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
729 struct saa7134_dev *dev = dmaq->dev;
730 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
731 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
732 struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0);
733 unsigned int size;
734
735 if (dma->sgl->offset) {
736 pr_err("The buffer is not page-aligned\n");
737 return -EINVAL;
738 }
739 size = (dev->width * dev->height * dev->fmt->depth) >> 3;
740 if (vb2_plane_size(vb2, 0) < size)
741 return -EINVAL;
742
743 vb2_set_plane_payload(vb2, 0, size);
744 vbuf->field = dev->field;
745
746 return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
747 saa7134_buffer_startpage(buf));
748 }
749
queue_setup(struct vb2_queue * q,unsigned int * nbuffers,unsigned int * nplanes,unsigned int sizes[],struct device * alloc_devs[])750 static int queue_setup(struct vb2_queue *q,
751 unsigned int *nbuffers, unsigned int *nplanes,
752 unsigned int sizes[], struct device *alloc_devs[])
753 {
754 struct saa7134_dmaqueue *dmaq = q->drv_priv;
755 struct saa7134_dev *dev = dmaq->dev;
756 int size = dev->fmt->depth * dev->width * dev->height >> 3;
757
758 if (dev->width < 48 ||
759 dev->height < 32 ||
760 dev->width/4 > dev->crop_current.width ||
761 dev->height/4 > dev->crop_current.height ||
762 dev->width > dev->crop_bounds.width ||
763 dev->height > dev->crop_bounds.height)
764 return -EINVAL;
765
766 *nbuffers = saa7134_buffer_count(size, *nbuffers);
767 *nplanes = 1;
768 sizes[0] = size;
769
770 saa7134_enable_analog_tuner(dev);
771
772 return 0;
773 }
774
775 /*
776 * move buffer to hardware queue
777 */
saa7134_vb2_buffer_queue(struct vb2_buffer * vb)778 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
779 {
780 struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
781 struct saa7134_dev *dev = dmaq->dev;
782 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
783 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
784
785 saa7134_buffer_queue(dev, dmaq, buf);
786 }
787 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
788
saa7134_vb2_start_streaming(struct vb2_queue * vq,unsigned int count)789 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
790 {
791 struct saa7134_dmaqueue *dmaq = vq->drv_priv;
792 struct saa7134_dev *dev = dmaq->dev;
793
794 /*
795 * Planar video capture and TS share the same DMA channel,
796 * so only one can be active at a time.
797 */
798 if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
799 dmaq == &dev->video_q && dev->fmt->planar) {
800 struct saa7134_buf *buf, *tmp;
801
802 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
803 list_del(&buf->entry);
804 vb2_buffer_done(&buf->vb2.vb2_buf,
805 VB2_BUF_STATE_QUEUED);
806 }
807 if (dmaq->curr) {
808 vb2_buffer_done(&dmaq->curr->vb2.vb2_buf,
809 VB2_BUF_STATE_QUEUED);
810 dmaq->curr = NULL;
811 }
812 return -EBUSY;
813 }
814
815 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
816 * configured conservatively, there's 22 usec of buffering for video.
817 * We therefore request a DMA latency of 20 usec, giving us 2 usec of
818 * margin in case the FIFO is configured differently to the datasheet.
819 * Unfortunately, I lack register-level documentation to check the
820 * Linux FIFO setup and confirm the perfect value.
821 */
822 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
823 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
824 cpu_latency_qos_add_request(&dev->qos_request, 20);
825 dmaq->seq_nr = 0;
826
827 return 0;
828 }
829
saa7134_vb2_stop_streaming(struct vb2_queue * vq)830 void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
831 {
832 struct saa7134_dmaqueue *dmaq = vq->drv_priv;
833 struct saa7134_dev *dev = dmaq->dev;
834
835 saa7134_stop_streaming(dev, dmaq);
836
837 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
838 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
839 cpu_latency_qos_remove_request(&dev->qos_request);
840 }
841
842 static const struct vb2_ops vb2_qops = {
843 .queue_setup = queue_setup,
844 .buf_init = buffer_init,
845 .buf_prepare = buffer_prepare,
846 .buf_queue = saa7134_vb2_buffer_queue,
847 .start_streaming = saa7134_vb2_start_streaming,
848 .stop_streaming = saa7134_vb2_stop_streaming,
849 };
850
851 /* ------------------------------------------------------------------ */
852
saa7134_s_ctrl(struct v4l2_ctrl * ctrl)853 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
854 {
855 struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
856
857 switch (ctrl->id) {
858 case V4L2_CID_BRIGHTNESS:
859 dev->ctl_bright = ctrl->val;
860 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
861 break;
862 case V4L2_CID_HUE:
863 dev->ctl_hue = ctrl->val;
864 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
865 break;
866 case V4L2_CID_CONTRAST:
867 dev->ctl_contrast = ctrl->val;
868 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
869 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
870 break;
871 case V4L2_CID_SATURATION:
872 dev->ctl_saturation = ctrl->val;
873 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
874 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
875 break;
876 case V4L2_CID_AUDIO_MUTE:
877 dev->ctl_mute = ctrl->val;
878 saa7134_tvaudio_setmute(dev);
879 break;
880 case V4L2_CID_AUDIO_VOLUME:
881 dev->ctl_volume = ctrl->val;
882 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
883 break;
884 case V4L2_CID_PRIVATE_INVERT:
885 dev->ctl_invert = ctrl->val;
886 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
887 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
888 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
889 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
890 break;
891 case V4L2_CID_HFLIP:
892 dev->ctl_mirror = ctrl->val;
893 break;
894 case V4L2_CID_PRIVATE_Y_EVEN:
895 dev->ctl_y_even = ctrl->val;
896 break;
897 case V4L2_CID_PRIVATE_Y_ODD:
898 dev->ctl_y_odd = ctrl->val;
899 break;
900 case V4L2_CID_PRIVATE_AUTOMUTE:
901 {
902 struct v4l2_priv_tun_config tda9887_cfg;
903
904 tda9887_cfg.tuner = TUNER_TDA9887;
905 tda9887_cfg.priv = &dev->tda9887_conf;
906
907 dev->ctl_automute = ctrl->val;
908 if (dev->tda9887_conf) {
909 if (dev->ctl_automute)
910 dev->tda9887_conf |= TDA9887_AUTOMUTE;
911 else
912 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
913
914 saa_call_all(dev, tuner, s_config, &tda9887_cfg);
915 }
916 break;
917 }
918 default:
919 return -EINVAL;
920 }
921 return 0;
922 }
923
924 /* ------------------------------------------------------------------ */
925
video_open(struct file * file)926 static int video_open(struct file *file)
927 {
928 struct video_device *vdev = video_devdata(file);
929 struct saa7134_dev *dev = video_drvdata(file);
930 int ret = v4l2_fh_open(file);
931
932 if (ret < 0)
933 return ret;
934
935 mutex_lock(&dev->lock);
936 if (vdev->vfl_type == VFL_TYPE_RADIO) {
937 /* switch to radio mode */
938 saa7134_tvaudio_setinput(dev, &card(dev).radio);
939 saa_call_all(dev, tuner, s_radio);
940 } else {
941 /* switch to video/vbi mode */
942 video_mux(dev, dev->ctl_input);
943 }
944 mutex_unlock(&dev->lock);
945
946 return 0;
947 }
948
video_release(struct file * file)949 static int video_release(struct file *file)
950 {
951 struct video_device *vdev = video_devdata(file);
952 struct saa7134_dev *dev = video_drvdata(file);
953 struct saa6588_command cmd;
954
955 mutex_lock(&dev->lock);
956 saa7134_tvaudio_close(dev);
957
958 if (vdev->vfl_type == VFL_TYPE_RADIO)
959 v4l2_fh_release(file);
960 else
961 _vb2_fop_release(file, NULL);
962
963 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
964 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
965 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
966 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
967 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
968
969 saa_call_all(dev, tuner, standby);
970 if (vdev->vfl_type == VFL_TYPE_RADIO)
971 saa_call_all(dev, core, command, SAA6588_CMD_CLOSE, &cmd);
972 mutex_unlock(&dev->lock);
973
974 return 0;
975 }
976
radio_read(struct file * file,char __user * data,size_t count,loff_t * ppos)977 static ssize_t radio_read(struct file *file, char __user *data,
978 size_t count, loff_t *ppos)
979 {
980 struct saa7134_dev *dev = video_drvdata(file);
981 struct saa6588_command cmd;
982
983 cmd.block_count = count/3;
984 cmd.nonblocking = file->f_flags & O_NONBLOCK;
985 cmd.buffer = data;
986 cmd.instance = file;
987 cmd.result = -ENODEV;
988
989 mutex_lock(&dev->lock);
990 saa_call_all(dev, core, command, SAA6588_CMD_READ, &cmd);
991 mutex_unlock(&dev->lock);
992
993 return cmd.result;
994 }
995
radio_poll(struct file * file,poll_table * wait)996 static __poll_t radio_poll(struct file *file, poll_table *wait)
997 {
998 struct saa7134_dev *dev = video_drvdata(file);
999 struct saa6588_command cmd;
1000 __poll_t rc = v4l2_ctrl_poll(file, wait);
1001
1002 cmd.instance = file;
1003 cmd.event_list = wait;
1004 cmd.poll_mask = 0;
1005 mutex_lock(&dev->lock);
1006 saa_call_all(dev, core, command, SAA6588_CMD_POLL, &cmd);
1007 mutex_unlock(&dev->lock);
1008
1009 return rc | cmd.poll_mask;
1010 }
1011
1012 /* ------------------------------------------------------------------ */
1013
saa7134_try_get_set_fmt_vbi_cap(struct file * file,void * priv,struct v4l2_format * f)1014 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1015 struct v4l2_format *f)
1016 {
1017 struct saa7134_dev *dev = video_drvdata(file);
1018 struct saa7134_tvnorm *norm = dev->tvnorm;
1019
1020 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1021 f->fmt.vbi.sampling_rate = 6750000 * 4;
1022 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1023 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1024 f->fmt.vbi.offset = 64 * 4;
1025 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1026 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1027 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1028 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1029 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1030
1031 return 0;
1032 }
1033
saa7134_g_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1034 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1035 struct v4l2_format *f)
1036 {
1037 struct saa7134_dev *dev = video_drvdata(file);
1038
1039 f->fmt.pix.width = dev->width;
1040 f->fmt.pix.height = dev->height;
1041 f->fmt.pix.field = dev->field;
1042 f->fmt.pix.pixelformat = dev->fmt->fourcc;
1043 if (dev->fmt->planar)
1044 f->fmt.pix.bytesperline = f->fmt.pix.width;
1045 else
1046 f->fmt.pix.bytesperline =
1047 (f->fmt.pix.width * dev->fmt->depth) / 8;
1048 f->fmt.pix.sizeimage =
1049 (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8;
1050 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1051 return 0;
1052 }
1053
saa7134_try_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1054 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1055 struct v4l2_format *f)
1056 {
1057 struct saa7134_dev *dev = video_drvdata(file);
1058 struct saa7134_format *fmt;
1059 enum v4l2_field field;
1060 unsigned int maxw, maxh;
1061
1062 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1063 if (NULL == fmt)
1064 return -EINVAL;
1065
1066 field = f->fmt.pix.field;
1067 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1068 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1069
1070 if (V4L2_FIELD_ANY == field) {
1071 field = (f->fmt.pix.height > maxh/2)
1072 ? V4L2_FIELD_INTERLACED
1073 : V4L2_FIELD_BOTTOM;
1074 }
1075 switch (field) {
1076 case V4L2_FIELD_TOP:
1077 case V4L2_FIELD_BOTTOM:
1078 maxh = maxh / 2;
1079 break;
1080 default:
1081 field = V4L2_FIELD_INTERLACED;
1082 break;
1083 }
1084
1085 f->fmt.pix.field = field;
1086 if (f->fmt.pix.width < 48)
1087 f->fmt.pix.width = 48;
1088 if (f->fmt.pix.height < 32)
1089 f->fmt.pix.height = 32;
1090 if (f->fmt.pix.width > maxw)
1091 f->fmt.pix.width = maxw;
1092 if (f->fmt.pix.height > maxh)
1093 f->fmt.pix.height = maxh;
1094 f->fmt.pix.width &= ~0x03;
1095 if (fmt->planar)
1096 f->fmt.pix.bytesperline = f->fmt.pix.width;
1097 else
1098 f->fmt.pix.bytesperline =
1099 (f->fmt.pix.width * fmt->depth) / 8;
1100 f->fmt.pix.sizeimage =
1101 (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8;
1102 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1103
1104 return 0;
1105 }
1106
saa7134_s_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1107 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1108 struct v4l2_format *f)
1109 {
1110 struct saa7134_dev *dev = video_drvdata(file);
1111 int err;
1112
1113 err = saa7134_try_fmt_vid_cap(file, priv, f);
1114 if (0 != err)
1115 return err;
1116
1117 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1118 dev->width = f->fmt.pix.width;
1119 dev->height = f->fmt.pix.height;
1120 dev->field = f->fmt.pix.field;
1121 return 0;
1122 }
1123
saa7134_enum_input(struct file * file,void * priv,struct v4l2_input * i)1124 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1125 {
1126 struct saa7134_dev *dev = video_drvdata(file);
1127 unsigned int n;
1128
1129 n = i->index;
1130 if (n >= SAA7134_INPUT_MAX)
1131 return -EINVAL;
1132 if (card_in(dev, i->index).type == SAA7134_NO_INPUT)
1133 return -EINVAL;
1134 i->index = n;
1135 strscpy(i->name, saa7134_input_name[card_in(dev, n).type],
1136 sizeof(i->name));
1137 switch (card_in(dev, n).type) {
1138 case SAA7134_INPUT_TV:
1139 case SAA7134_INPUT_TV_MONO:
1140 i->type = V4L2_INPUT_TYPE_TUNER;
1141 break;
1142 default:
1143 i->type = V4L2_INPUT_TYPE_CAMERA;
1144 break;
1145 }
1146 if (n == dev->ctl_input) {
1147 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1148 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1149
1150 if (0 != (v1 & 0x40))
1151 i->status |= V4L2_IN_ST_NO_H_LOCK;
1152 if (0 != (v2 & 0x40))
1153 i->status |= V4L2_IN_ST_NO_SIGNAL;
1154 if (0 != (v2 & 0x0e))
1155 i->status |= V4L2_IN_ST_MACROVISION;
1156 }
1157 i->std = SAA7134_NORMS;
1158 return 0;
1159 }
1160 EXPORT_SYMBOL_GPL(saa7134_enum_input);
1161
saa7134_g_input(struct file * file,void * priv,unsigned int * i)1162 int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1163 {
1164 struct saa7134_dev *dev = video_drvdata(file);
1165
1166 *i = dev->ctl_input;
1167 return 0;
1168 }
1169 EXPORT_SYMBOL_GPL(saa7134_g_input);
1170
saa7134_s_input(struct file * file,void * priv,unsigned int i)1171 int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1172 {
1173 struct saa7134_dev *dev = video_drvdata(file);
1174
1175 if (i >= SAA7134_INPUT_MAX)
1176 return -EINVAL;
1177 if (card_in(dev, i).type == SAA7134_NO_INPUT)
1178 return -EINVAL;
1179 video_mux(dev, i);
1180 return 0;
1181 }
1182 EXPORT_SYMBOL_GPL(saa7134_s_input);
1183
saa7134_querycap(struct file * file,void * priv,struct v4l2_capability * cap)1184 int saa7134_querycap(struct file *file, void *priv,
1185 struct v4l2_capability *cap)
1186 {
1187 struct saa7134_dev *dev = video_drvdata(file);
1188
1189 strscpy(cap->driver, "saa7134", sizeof(cap->driver));
1190 strscpy(cap->card, saa7134_boards[dev->board].name,
1191 sizeof(cap->card));
1192 cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1193 V4L2_CAP_RADIO | V4L2_CAP_VIDEO_CAPTURE |
1194 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1195 if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1196 cap->capabilities |= V4L2_CAP_TUNER;
1197 if (dev->has_rds)
1198 cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
1199
1200 return 0;
1201 }
1202 EXPORT_SYMBOL_GPL(saa7134_querycap);
1203
saa7134_s_std(struct file * file,void * priv,v4l2_std_id id)1204 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1205 {
1206 struct saa7134_dev *dev = video_drvdata(file);
1207 unsigned int i;
1208 v4l2_std_id fixup;
1209
1210 for (i = 0; i < TVNORMS; i++)
1211 if (id == tvnorms[i].id)
1212 break;
1213
1214 if (i == TVNORMS)
1215 for (i = 0; i < TVNORMS; i++)
1216 if (id & tvnorms[i].id)
1217 break;
1218 if (i == TVNORMS)
1219 return -EINVAL;
1220
1221 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1222 if (secam[0] == 'L' || secam[0] == 'l') {
1223 if (secam[1] == 'C' || secam[1] == 'c')
1224 fixup = V4L2_STD_SECAM_LC;
1225 else
1226 fixup = V4L2_STD_SECAM_L;
1227 } else {
1228 if (secam[0] == 'D' || secam[0] == 'd')
1229 fixup = V4L2_STD_SECAM_DK;
1230 else
1231 fixup = V4L2_STD_SECAM;
1232 }
1233 for (i = 0; i < TVNORMS; i++) {
1234 if (fixup == tvnorms[i].id)
1235 break;
1236 }
1237 if (i == TVNORMS)
1238 return -EINVAL;
1239 }
1240
1241 set_tvnorm(dev, &tvnorms[i]);
1242
1243 saa7134_tvaudio_do_scan(dev);
1244 return 0;
1245 }
1246 EXPORT_SYMBOL_GPL(saa7134_s_std);
1247
saa7134_g_std(struct file * file,void * priv,v4l2_std_id * id)1248 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1249 {
1250 struct saa7134_dev *dev = video_drvdata(file);
1251
1252 *id = dev->tvnorm->id;
1253 return 0;
1254 }
1255 EXPORT_SYMBOL_GPL(saa7134_g_std);
1256
saa7134_read_std(struct saa7134_dev * dev)1257 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1258 {
1259 static v4l2_std_id stds[] = {
1260 V4L2_STD_UNKNOWN,
1261 V4L2_STD_NTSC,
1262 V4L2_STD_PAL,
1263 V4L2_STD_SECAM };
1264
1265 v4l2_std_id result = 0;
1266
1267 u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1268 u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1269
1270 if (!(st2 & 0x1)) /* RDCAP == 0 */
1271 result = V4L2_STD_UNKNOWN;
1272 else
1273 result = stds[st1 & 0x03];
1274
1275 return result;
1276 }
1277
saa7134_querystd(struct file * file,void * priv,v4l2_std_id * std)1278 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1279 {
1280 struct saa7134_dev *dev = video_drvdata(file);
1281 *std &= saa7134_read_std(dev);
1282 return 0;
1283 }
1284 EXPORT_SYMBOL_GPL(saa7134_querystd);
1285
saa7134_g_pixelaspect(struct file * file,void * priv,int type,struct v4l2_fract * f)1286 static int saa7134_g_pixelaspect(struct file *file, void *priv,
1287 int type, struct v4l2_fract *f)
1288 {
1289 struct saa7134_dev *dev = video_drvdata(file);
1290
1291 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1292 return -EINVAL;
1293
1294 if (dev->tvnorm->id & V4L2_STD_525_60) {
1295 f->numerator = 11;
1296 f->denominator = 10;
1297 }
1298 if (dev->tvnorm->id & V4L2_STD_625_50) {
1299 f->numerator = 54;
1300 f->denominator = 59;
1301 }
1302 return 0;
1303 }
1304
saa7134_g_selection(struct file * file,void * f,struct v4l2_selection * sel)1305 static int saa7134_g_selection(struct file *file, void *f, struct v4l2_selection *sel)
1306 {
1307 struct saa7134_dev *dev = video_drvdata(file);
1308
1309 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1310 return -EINVAL;
1311
1312 switch (sel->target) {
1313 case V4L2_SEL_TGT_CROP:
1314 sel->r = dev->crop_current;
1315 break;
1316 case V4L2_SEL_TGT_CROP_DEFAULT:
1317 sel->r = dev->crop_defrect;
1318 break;
1319 case V4L2_SEL_TGT_CROP_BOUNDS:
1320 sel->r = dev->crop_bounds;
1321 break;
1322 default:
1323 return -EINVAL;
1324 }
1325 return 0;
1326 }
1327
saa7134_s_selection(struct file * file,void * f,struct v4l2_selection * sel)1328 static int saa7134_s_selection(struct file *file, void *f, struct v4l2_selection *sel)
1329 {
1330 struct saa7134_dev *dev = video_drvdata(file);
1331 struct v4l2_rect *b = &dev->crop_bounds;
1332 struct v4l2_rect *c = &dev->crop_current;
1333
1334 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1335 return -EINVAL;
1336
1337 if (sel->target != V4L2_SEL_TGT_CROP)
1338 return -EINVAL;
1339
1340 if (vb2_is_streaming(&dev->video_vbq))
1341 return -EBUSY;
1342
1343 *c = sel->r;
1344 if (c->top < b->top)
1345 c->top = b->top;
1346 if (c->top > b->top + b->height)
1347 c->top = b->top + b->height;
1348 if (c->height > b->top - c->top + b->height)
1349 c->height = b->top - c->top + b->height;
1350
1351 if (c->left < b->left)
1352 c->left = b->left;
1353 if (c->left > b->left + b->width)
1354 c->left = b->left + b->width;
1355 if (c->width > b->left - c->left + b->width)
1356 c->width = b->left - c->left + b->width;
1357 sel->r = *c;
1358 return 0;
1359 }
1360
saa7134_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1361 int saa7134_g_tuner(struct file *file, void *priv,
1362 struct v4l2_tuner *t)
1363 {
1364 struct saa7134_dev *dev = video_drvdata(file);
1365 int n;
1366
1367 if (0 != t->index)
1368 return -EINVAL;
1369 memset(t, 0, sizeof(*t));
1370 for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1371 if (card_in(dev, n).type == SAA7134_INPUT_TV ||
1372 card_in(dev, n).type == SAA7134_INPUT_TV_MONO)
1373 break;
1374 }
1375 if (n == SAA7134_INPUT_MAX)
1376 return -EINVAL;
1377 if (card_in(dev, n).type != SAA7134_NO_INPUT) {
1378 strscpy(t->name, "Television", sizeof(t->name));
1379 t->type = V4L2_TUNER_ANALOG_TV;
1380 saa_call_all(dev, tuner, g_tuner, t);
1381 t->capability = V4L2_TUNER_CAP_NORM |
1382 V4L2_TUNER_CAP_STEREO |
1383 V4L2_TUNER_CAP_LANG1 |
1384 V4L2_TUNER_CAP_LANG2;
1385 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1386 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1387 }
1388 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1389 t->signal = 0xffff;
1390 return 0;
1391 }
1392 EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1393
saa7134_s_tuner(struct file * file,void * priv,const struct v4l2_tuner * t)1394 int saa7134_s_tuner(struct file *file, void *priv,
1395 const struct v4l2_tuner *t)
1396 {
1397 struct saa7134_dev *dev = video_drvdata(file);
1398 int rx, mode;
1399
1400 if (0 != t->index)
1401 return -EINVAL;
1402
1403 mode = dev->thread.mode;
1404 if (UNSET == mode) {
1405 rx = saa7134_tvaudio_getstereo(dev);
1406 mode = saa7134_tvaudio_rx2mode(rx);
1407 }
1408 if (mode != t->audmode)
1409 dev->thread.mode = t->audmode;
1410
1411 return 0;
1412 }
1413 EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1414
saa7134_g_frequency(struct file * file,void * priv,struct v4l2_frequency * f)1415 int saa7134_g_frequency(struct file *file, void *priv,
1416 struct v4l2_frequency *f)
1417 {
1418 struct saa7134_dev *dev = video_drvdata(file);
1419
1420 if (0 != f->tuner)
1421 return -EINVAL;
1422
1423 saa_call_all(dev, tuner, g_frequency, f);
1424
1425 return 0;
1426 }
1427 EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1428
saa7134_s_frequency(struct file * file,void * priv,const struct v4l2_frequency * f)1429 int saa7134_s_frequency(struct file *file, void *priv,
1430 const struct v4l2_frequency *f)
1431 {
1432 struct saa7134_dev *dev = video_drvdata(file);
1433
1434 if (0 != f->tuner)
1435 return -EINVAL;
1436
1437 saa_call_all(dev, tuner, s_frequency, f);
1438
1439 saa7134_tvaudio_do_scan(dev);
1440 return 0;
1441 }
1442 EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1443
saa7134_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)1444 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
1445 struct v4l2_fmtdesc *f)
1446 {
1447 if (f->index >= FORMATS)
1448 return -EINVAL;
1449
1450 f->pixelformat = formats[f->index].fourcc;
1451
1452 return 0;
1453 }
1454
1455 #ifdef CONFIG_VIDEO_ADV_DEBUG
vidioc_g_register(struct file * file,void * priv,struct v4l2_dbg_register * reg)1456 static int vidioc_g_register (struct file *file, void *priv,
1457 struct v4l2_dbg_register *reg)
1458 {
1459 struct saa7134_dev *dev = video_drvdata(file);
1460
1461 reg->val = saa_readb(reg->reg & 0xffffff);
1462 reg->size = 1;
1463 return 0;
1464 }
1465
vidioc_s_register(struct file * file,void * priv,const struct v4l2_dbg_register * reg)1466 static int vidioc_s_register (struct file *file, void *priv,
1467 const struct v4l2_dbg_register *reg)
1468 {
1469 struct saa7134_dev *dev = video_drvdata(file);
1470
1471 saa_writeb(reg->reg & 0xffffff, reg->val);
1472 return 0;
1473 }
1474 #endif
1475
radio_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1476 static int radio_g_tuner(struct file *file, void *priv,
1477 struct v4l2_tuner *t)
1478 {
1479 struct saa7134_dev *dev = video_drvdata(file);
1480
1481 if (0 != t->index)
1482 return -EINVAL;
1483
1484 strscpy(t->name, "Radio", sizeof(t->name));
1485
1486 saa_call_all(dev, tuner, g_tuner, t);
1487 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1488 if (dev->input->amux == TV) {
1489 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1490 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1491 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1492 }
1493 return 0;
1494 }
radio_s_tuner(struct file * file,void * priv,const struct v4l2_tuner * t)1495 static int radio_s_tuner(struct file *file, void *priv,
1496 const struct v4l2_tuner *t)
1497 {
1498 struct saa7134_dev *dev = video_drvdata(file);
1499
1500 if (0 != t->index)
1501 return -EINVAL;
1502
1503 saa_call_all(dev, tuner, s_tuner, t);
1504 return 0;
1505 }
1506
1507 static const struct v4l2_file_operations video_fops =
1508 {
1509 .owner = THIS_MODULE,
1510 .open = video_open,
1511 .release = video_release,
1512 .read = vb2_fop_read,
1513 .poll = vb2_fop_poll,
1514 .mmap = vb2_fop_mmap,
1515 .unlocked_ioctl = video_ioctl2,
1516 };
1517
1518 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1519 .vidioc_querycap = saa7134_querycap,
1520 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap,
1521 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
1522 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
1523 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
1524 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1525 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1526 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1527 .vidioc_g_pixelaspect = saa7134_g_pixelaspect,
1528 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1529 .vidioc_querybuf = vb2_ioctl_querybuf,
1530 .vidioc_qbuf = vb2_ioctl_qbuf,
1531 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1532 .vidioc_expbuf = vb2_ioctl_expbuf,
1533 .vidioc_s_std = saa7134_s_std,
1534 .vidioc_g_std = saa7134_g_std,
1535 .vidioc_querystd = saa7134_querystd,
1536 .vidioc_enum_input = saa7134_enum_input,
1537 .vidioc_g_input = saa7134_g_input,
1538 .vidioc_s_input = saa7134_s_input,
1539 .vidioc_streamon = vb2_ioctl_streamon,
1540 .vidioc_streamoff = vb2_ioctl_streamoff,
1541 .vidioc_g_tuner = saa7134_g_tuner,
1542 .vidioc_s_tuner = saa7134_s_tuner,
1543 .vidioc_g_selection = saa7134_g_selection,
1544 .vidioc_s_selection = saa7134_s_selection,
1545 .vidioc_g_frequency = saa7134_g_frequency,
1546 .vidioc_s_frequency = saa7134_s_frequency,
1547 #ifdef CONFIG_VIDEO_ADV_DEBUG
1548 .vidioc_g_register = vidioc_g_register,
1549 .vidioc_s_register = vidioc_s_register,
1550 #endif
1551 .vidioc_log_status = v4l2_ctrl_log_status,
1552 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1553 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1554 };
1555
1556 static const struct v4l2_file_operations radio_fops = {
1557 .owner = THIS_MODULE,
1558 .open = video_open,
1559 .read = radio_read,
1560 .release = video_release,
1561 .unlocked_ioctl = video_ioctl2,
1562 .poll = radio_poll,
1563 };
1564
1565 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1566 .vidioc_querycap = saa7134_querycap,
1567 .vidioc_g_tuner = radio_g_tuner,
1568 .vidioc_s_tuner = radio_s_tuner,
1569 .vidioc_g_frequency = saa7134_g_frequency,
1570 .vidioc_s_frequency = saa7134_s_frequency,
1571 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1572 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1573 };
1574
1575 /* ----------------------------------------------------------- */
1576 /* exported stuff */
1577
1578 struct video_device saa7134_video_template = {
1579 .name = "saa7134-video",
1580 .fops = &video_fops,
1581 .ioctl_ops = &video_ioctl_ops,
1582 .tvnorms = SAA7134_NORMS,
1583 };
1584
1585 struct video_device saa7134_radio_template = {
1586 .name = "saa7134-radio",
1587 .fops = &radio_fops,
1588 .ioctl_ops = &radio_ioctl_ops,
1589 };
1590
1591 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
1592 .s_ctrl = saa7134_s_ctrl,
1593 };
1594
1595 static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
1596 .ops = &saa7134_ctrl_ops,
1597 .id = V4L2_CID_PRIVATE_INVERT,
1598 .name = "Invert",
1599 .type = V4L2_CTRL_TYPE_BOOLEAN,
1600 .min = 0,
1601 .max = 1,
1602 .step = 1,
1603 };
1604
1605 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
1606 .ops = &saa7134_ctrl_ops,
1607 .id = V4L2_CID_PRIVATE_Y_ODD,
1608 .name = "Y Offset Odd Field",
1609 .type = V4L2_CTRL_TYPE_INTEGER,
1610 .min = 0,
1611 .max = 128,
1612 .step = 1,
1613 };
1614
1615 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
1616 .ops = &saa7134_ctrl_ops,
1617 .id = V4L2_CID_PRIVATE_Y_EVEN,
1618 .name = "Y Offset Even Field",
1619 .type = V4L2_CTRL_TYPE_INTEGER,
1620 .min = 0,
1621 .max = 128,
1622 .step = 1,
1623 };
1624
1625 static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
1626 .ops = &saa7134_ctrl_ops,
1627 .id = V4L2_CID_PRIVATE_AUTOMUTE,
1628 .name = "Automute",
1629 .type = V4L2_CTRL_TYPE_BOOLEAN,
1630 .min = 0,
1631 .max = 1,
1632 .step = 1,
1633 .def = 1,
1634 };
1635
saa7134_video_init1(struct saa7134_dev * dev)1636 int saa7134_video_init1(struct saa7134_dev *dev)
1637 {
1638 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
1639 struct vb2_queue *q;
1640 int ret;
1641
1642 /* sanitycheck insmod options */
1643 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
1644 gbuffers = 2;
1645 if (gbufsize > gbufsize_max)
1646 gbufsize = gbufsize_max;
1647 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
1648
1649 v4l2_ctrl_handler_init(hdl, 11);
1650 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1651 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1652 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1653 V4L2_CID_CONTRAST, 0, 127, 1, 68);
1654 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1655 V4L2_CID_SATURATION, 0, 127, 1, 64);
1656 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1657 V4L2_CID_HUE, -128, 127, 1, 0);
1658 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1659 V4L2_CID_HFLIP, 0, 1, 1, 0);
1660 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1661 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
1662 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1663 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
1664 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
1665 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
1666 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
1667 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
1668 if (hdl->error)
1669 return hdl->error;
1670 if (card_has_radio(dev)) {
1671 hdl = &dev->radio_ctrl_handler;
1672 v4l2_ctrl_handler_init(hdl, 2);
1673 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
1674 v4l2_ctrl_radio_filter, false);
1675 if (hdl->error)
1676 return hdl->error;
1677 }
1678 dev->ctl_mute = 1;
1679
1680 if (dev->tda9887_conf && saa7134_ctrl_automute.def)
1681 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1682 dev->automute = 0;
1683
1684 INIT_LIST_HEAD(&dev->video_q.queue);
1685 timer_setup(&dev->video_q.timeout, saa7134_buffer_timeout, 0);
1686 dev->video_q.dev = dev;
1687 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1688 dev->width = 720;
1689 dev->height = 576;
1690 dev->field = V4L2_FIELD_INTERLACED;
1691
1692 if (saa7134_boards[dev->board].video_out)
1693 saa7134_videoport_init(dev);
1694
1695 q = &dev->video_vbq;
1696 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1697 /*
1698 * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
1699 * engine cannot handle transfers that do not start at the beginning
1700 * of a page. A user-provided pointer can start anywhere in a page, so
1701 * USERPTR support is a no-go unless the application knows about these
1702 * limitations and has special support for this.
1703 */
1704 q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
1705 if (saa7134_userptr)
1706 q->io_modes |= VB2_USERPTR;
1707 q->drv_priv = &dev->video_q;
1708 q->ops = &vb2_qops;
1709 q->gfp_flags = GFP_DMA32;
1710 q->mem_ops = &vb2_dma_sg_memops;
1711 q->buf_struct_size = sizeof(struct saa7134_buf);
1712 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1713 q->lock = &dev->lock;
1714 q->dev = &dev->pci->dev;
1715 ret = vb2_queue_init(q);
1716 if (ret)
1717 return ret;
1718 saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
1719
1720 q = &dev->vbi_vbq;
1721 q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1722 /* Don't add VB2_USERPTR, see comment above */
1723 q->io_modes = VB2_MMAP | VB2_READ;
1724 if (saa7134_userptr)
1725 q->io_modes |= VB2_USERPTR;
1726 q->drv_priv = &dev->vbi_q;
1727 q->ops = &saa7134_vbi_qops;
1728 q->gfp_flags = GFP_DMA32;
1729 q->mem_ops = &vb2_dma_sg_memops;
1730 q->buf_struct_size = sizeof(struct saa7134_buf);
1731 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1732 q->lock = &dev->lock;
1733 q->dev = &dev->pci->dev;
1734 ret = vb2_queue_init(q);
1735 if (ret)
1736 return ret;
1737 saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
1738
1739 return 0;
1740 }
1741
saa7134_video_fini(struct saa7134_dev * dev)1742 void saa7134_video_fini(struct saa7134_dev *dev)
1743 {
1744 timer_delete_sync(&dev->video_q.timeout);
1745 /* free stuff */
1746 saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
1747 saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
1748 v4l2_ctrl_handler_free(&dev->ctrl_handler);
1749 if (card_has_radio(dev))
1750 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
1751 }
1752
saa7134_videoport_init(struct saa7134_dev * dev)1753 int saa7134_videoport_init(struct saa7134_dev *dev)
1754 {
1755 /* enable video output */
1756 int vo = saa7134_boards[dev->board].video_out;
1757 int video_reg;
1758 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
1759
1760 /* Configure videoport */
1761 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
1762 video_reg = video_out[vo][1];
1763 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
1764 video_reg &= ~VP_T_CODE_P_INVERTED;
1765 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
1766 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
1767 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
1768 video_reg = video_out[vo][5];
1769 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
1770 video_reg &= ~VP_CLK_CTRL2_DELAYED;
1771 if (vid_port_opts & SET_CLOCK_INVERTED)
1772 video_reg |= VP_CLK_CTRL1_INVERTED;
1773 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
1774 video_reg = video_out[vo][6];
1775 if (vid_port_opts & SET_VSYNC_OFF) {
1776 video_reg &= ~VP_VS_TYPE_MASK;
1777 video_reg |= VP_VS_TYPE_OFF;
1778 }
1779 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
1780 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
1781 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
1782
1783 /* Start videoport */
1784 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
1785
1786 return 0;
1787 }
1788
saa7134_video_init2(struct saa7134_dev * dev)1789 int saa7134_video_init2(struct saa7134_dev *dev)
1790 {
1791 /* init video hw */
1792 set_tvnorm(dev,&tvnorms[0]);
1793 video_mux(dev,0);
1794 v4l2_ctrl_handler_setup(&dev->ctrl_handler);
1795 saa7134_tvaudio_setmute(dev);
1796 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1797 return 0;
1798 }
1799
saa7134_irq_video_signalchange(struct saa7134_dev * dev)1800 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
1801 {
1802 static const char *st[] = {
1803 "(no signal)", "NTSC", "PAL", "SECAM" };
1804 u32 st1,st2;
1805
1806 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1807 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1808 video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n",
1809 (st1 & 0x40) ? "not locked" : "locked",
1810 (st2 & 0x40) ? "no" : "yes",
1811 st[st1 & 0x03]);
1812 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
1813
1814 if (dev->nosignal) {
1815 /* no video signal -> mute audio */
1816 if (dev->ctl_automute)
1817 dev->automute = 1;
1818 saa7134_tvaudio_setmute(dev);
1819 } else {
1820 /* wake up tvaudio audio carrier scan thread */
1821 saa7134_tvaudio_do_scan(dev);
1822 }
1823
1824 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
1825 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
1826 else
1827 saa_setb(SAA7134_SYNC_CTRL, 0x20);
1828
1829 if (dev->mops && dev->mops->signal_change)
1830 dev->mops->signal_change(dev);
1831 }
1832
1833
saa7134_irq_video_done(struct saa7134_dev * dev,unsigned long status)1834 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
1835 {
1836 enum v4l2_field field;
1837
1838 spin_lock(&dev->slock);
1839 if (dev->video_q.curr) {
1840 field = dev->field;
1841 if (V4L2_FIELD_HAS_BOTH(field)) {
1842 /* make sure we have seen both fields */
1843 if ((status & 0x10) == 0x00) {
1844 dev->video_q.curr->top_seen = 1;
1845 goto done;
1846 }
1847 if (!dev->video_q.curr->top_seen)
1848 goto done;
1849 } else if (field == V4L2_FIELD_TOP) {
1850 if ((status & 0x10) != 0x10)
1851 goto done;
1852 } else if (field == V4L2_FIELD_BOTTOM) {
1853 if ((status & 0x10) != 0x00)
1854 goto done;
1855 }
1856 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
1857 }
1858 saa7134_buffer_next(dev, &dev->video_q);
1859
1860 done:
1861 spin_unlock(&dev->slock);
1862 }
1863