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Merge tag 'io_uring-5.11-2021-01-16' of git://git.kernel.dk/linux-block
[linux/fpc-iii.git] / drivers / media / pci / saa7134 / saa7134-video.c
blob0f9d6b9edb90a5804c3e090c7c0a667665387a3f
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
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
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
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
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
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
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
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
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 struct cliplist {
575 __u16 position;
576 __u8 enable;
577 __u8 disable;
578 };
579
580 static void set_cliplist(struct saa7134_dev *dev, int reg,
581 struct cliplist *cl, int entries, char *name)
582 {
583 __u8 winbits = 0;
584 int i;
585
586 for (i = 0; i < entries; i++) {
587 winbits |= cl[i].enable;
588 winbits &= ~cl[i].disable;
589 if (i < 15 && cl[i].position == cl[i+1].position)
590 continue;
591 saa_writeb(reg + 0, winbits);
592 saa_writeb(reg + 2, cl[i].position & 0xff);
593 saa_writeb(reg + 3, cl[i].position >> 8);
594 video_dbg("clip: %s winbits=%02x pos=%d\n",
595 name,winbits,cl[i].position);
596 reg += 8;
597 }
598 for (; reg < 0x400; reg += 8) {
599 saa_writeb(reg+ 0, 0);
600 saa_writeb(reg + 1, 0);
601 saa_writeb(reg + 2, 0);
602 saa_writeb(reg + 3, 0);
603 }
604 }
605
606 static int clip_range(int val)
607 {
608 if (val < 0)
609 val = 0;
610 return val;
611 }
612
613 /* Sort into smallest position first order */
614 static int cliplist_cmp(const void *a, const void *b)
615 {
616 const struct cliplist *cla = a;
617 const struct cliplist *clb = b;
618 if (cla->position < clb->position)
619 return -1;
620 if (cla->position > clb->position)
621 return 1;
622 return 0;
623 }
624
625 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
626 int nclips, int interlace)
627 {
628 struct cliplist col[16], row[16];
629 int cols = 0, rows = 0, i;
630 int div = interlace ? 2 : 1;
631
632 memset(col, 0, sizeof(col));
633 memset(row, 0, sizeof(row));
634 for (i = 0; i < nclips && i < 8; i++) {
635 col[cols].position = clip_range(clips[i].c.left);
636 col[cols].enable = (1 << i);
637 cols++;
638 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
639 col[cols].disable = (1 << i);
640 cols++;
641 row[rows].position = clip_range(clips[i].c.top / div);
642 row[rows].enable = (1 << i);
643 rows++;
644 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
645 / div);
646 row[rows].disable = (1 << i);
647 rows++;
648 }
649 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
650 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
651 set_cliplist(dev,0x380,col,cols,"cols");
652 set_cliplist(dev,0x384,row,rows,"rows");
653 return 0;
654 }
655
656 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
657 {
658 enum v4l2_field field;
659 int maxw, maxh;
660
661 if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
662 return -EINVAL;
663 if (win->w.width < 48)
664 win->w.width = 48;
665 if (win->w.height < 32)
666 win->w.height = 32;
667 if (win->clipcount > 8)
668 win->clipcount = 8;
669
670 win->chromakey = 0;
671 win->global_alpha = 0;
672 field = win->field;
673 maxw = dev->crop_current.width;
674 maxh = dev->crop_current.height;
675
676 if (V4L2_FIELD_ANY == field) {
677 field = (win->w.height > maxh/2)
678 ? V4L2_FIELD_INTERLACED
679 : V4L2_FIELD_TOP;
680 }
681 switch (field) {
682 case V4L2_FIELD_TOP:
683 case V4L2_FIELD_BOTTOM:
684 maxh = maxh / 2;
685 break;
686 default:
687 field = V4L2_FIELD_INTERLACED;
688 break;
689 }
690
691 win->field = field;
692 if (win->w.width > maxw)
693 win->w.width = maxw;
694 if (win->w.height > maxh)
695 win->w.height = maxh;
696 return 0;
697 }
698
699 static int start_preview(struct saa7134_dev *dev)
700 {
701 unsigned long base,control,bpl;
702 int err;
703
704 err = verify_preview(dev, &dev->win, false);
705 if (0 != err)
706 return err;
707
708 dev->ovfield = dev->win.field;
709 video_dbg("%s %dx%d+%d+%d 0x%08x field=%s\n", __func__,
710 dev->win.w.width, dev->win.w.height,
711 dev->win.w.left, dev->win.w.top,
712 dev->ovfmt->fourcc, v4l2_field_names[dev->ovfield]);
713
714 /* setup window + clipping */
715 set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
716 V4L2_FIELD_HAS_BOTH(dev->ovfield));
717 setup_clipping(dev, dev->clips, dev->nclips,
718 V4L2_FIELD_HAS_BOTH(dev->ovfield));
719 if (dev->ovfmt->yuv)
720 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
721 else
722 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
723 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
724
725 /* dma: setup channel 1 (= Video Task B) */
726 base = (unsigned long)dev->ovbuf.base;
727 base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
728 base += dev->ovfmt->depth/8 * dev->win.w.left;
729 bpl = dev->ovbuf.fmt.bytesperline;
730 control = SAA7134_RS_CONTROL_BURST_16;
731 if (dev->ovfmt->bswap)
732 control |= SAA7134_RS_CONTROL_BSWAP;
733 if (dev->ovfmt->wswap)
734 control |= SAA7134_RS_CONTROL_WSWAP;
735 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
736 saa_writel(SAA7134_RS_BA1(1),base);
737 saa_writel(SAA7134_RS_BA2(1),base+bpl);
738 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
739 saa_writel(SAA7134_RS_CONTROL(1),control);
740 } else {
741 saa_writel(SAA7134_RS_BA1(1),base);
742 saa_writel(SAA7134_RS_BA2(1),base);
743 saa_writel(SAA7134_RS_PITCH(1),bpl);
744 saa_writel(SAA7134_RS_CONTROL(1),control);
745 }
746
747 /* start dma */
748 dev->ovenable = 1;
749 saa7134_set_dmabits(dev);
750
751 return 0;
752 }
753
754 static int stop_preview(struct saa7134_dev *dev)
755 {
756 dev->ovenable = 0;
757 saa7134_set_dmabits(dev);
758 return 0;
759 }
760
761 /*
762 * Media Controller helper functions
763 */
764
765 static int saa7134_enable_analog_tuner(struct saa7134_dev *dev)
766 {
767 #ifdef CONFIG_MEDIA_CONTROLLER
768 struct media_device *mdev = dev->media_dev;
769 struct media_entity *source;
770 struct media_link *link, *found_link = NULL;
771 int ret, active_links = 0;
772
773 if (!mdev || !dev->decoder)
774 return 0;
775
776 /*
777 * This will find the tuner that is connected into the decoder.
778 * Technically, this is not 100% correct, as the device may be
779 * using an analog input instead of the tuner. However, as we can't
780 * do DVB streaming while the DMA engine is being used for V4L2,
781 * this should be enough for the actual needs.
782 */
783 list_for_each_entry(link, &dev->decoder->links, list) {
784 if (link->sink->entity == dev->decoder) {
785 found_link = link;
786 if (link->flags & MEDIA_LNK_FL_ENABLED)
787 active_links++;
788 break;
789 }
790 }
791
792 if (active_links == 1 || !found_link)
793 return 0;
794
795 source = found_link->source->entity;
796 list_for_each_entry(link, &source->links, list) {
797 struct media_entity *sink;
798 int flags = 0;
799
800 sink = link->sink->entity;
801
802 if (sink == dev->decoder)
803 flags = MEDIA_LNK_FL_ENABLED;
804
805 ret = media_entity_setup_link(link, flags);
806 if (ret) {
807 pr_err("Couldn't change link %s->%s to %s. Error %d\n",
808 source->name, sink->name,
809 flags ? "enabled" : "disabled",
810 ret);
811 return ret;
812 }
813 }
814 #endif
815 return 0;
816 }
817
818 /* ------------------------------------------------------------------ */
819
820 static int buffer_activate(struct saa7134_dev *dev,
821 struct saa7134_buf *buf,
822 struct saa7134_buf *next)
823 {
824 struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv;
825 unsigned long base,control,bpl;
826 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
827
828 video_dbg("buffer_activate buf=%p\n", buf);
829 buf->top_seen = 0;
830
831 set_size(dev, TASK_A, dev->width, dev->height,
832 V4L2_FIELD_HAS_BOTH(dev->field));
833 if (dev->fmt->yuv)
834 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
835 else
836 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
837 saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
838
839 /* DMA: setup channel 0 (= Video Task A0) */
840 base = saa7134_buffer_base(buf);
841 if (dev->fmt->planar)
842 bpl = dev->width;
843 else
844 bpl = (dev->width * dev->fmt->depth) / 8;
845 control = SAA7134_RS_CONTROL_BURST_16 |
846 SAA7134_RS_CONTROL_ME |
847 (dmaq->pt.dma >> 12);
848 if (dev->fmt->bswap)
849 control |= SAA7134_RS_CONTROL_BSWAP;
850 if (dev->fmt->wswap)
851 control |= SAA7134_RS_CONTROL_WSWAP;
852 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
853 /* interlaced */
854 saa_writel(SAA7134_RS_BA1(0),base);
855 saa_writel(SAA7134_RS_BA2(0),base+bpl);
856 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
857 } else {
858 /* non-interlaced */
859 saa_writel(SAA7134_RS_BA1(0),base);
860 saa_writel(SAA7134_RS_BA2(0),base);
861 saa_writel(SAA7134_RS_PITCH(0),bpl);
862 }
863 saa_writel(SAA7134_RS_CONTROL(0),control);
864
865 if (dev->fmt->planar) {
866 /* DMA: setup channel 4+5 (= planar task A) */
867 bpl_uv = bpl >> dev->fmt->hshift;
868 lines_uv = dev->height >> dev->fmt->vshift;
869 base2 = base + bpl * dev->height;
870 base3 = base2 + bpl_uv * lines_uv;
871 if (dev->fmt->uvswap) {
872 tmp = base2;
873 base2 = base3;
874 base3 = tmp;
875 }
876 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
877 bpl_uv,lines_uv,base2,base3);
878 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
879 /* interlaced */
880 saa_writel(SAA7134_RS_BA1(4),base2);
881 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
882 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
883 saa_writel(SAA7134_RS_BA1(5),base3);
884 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
885 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
886 } else {
887 /* non-interlaced */
888 saa_writel(SAA7134_RS_BA1(4),base2);
889 saa_writel(SAA7134_RS_BA2(4),base2);
890 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
891 saa_writel(SAA7134_RS_BA1(5),base3);
892 saa_writel(SAA7134_RS_BA2(5),base3);
893 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
894 }
895 saa_writel(SAA7134_RS_CONTROL(4),control);
896 saa_writel(SAA7134_RS_CONTROL(5),control);
897 }
898
899 /* start DMA */
900 saa7134_set_dmabits(dev);
901 mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
902 return 0;
903 }
904
905 static int buffer_init(struct vb2_buffer *vb2)
906 {
907 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
908 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
909 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
910
911 dmaq->curr = NULL;
912 buf->activate = buffer_activate;
913 return 0;
914 }
915
916 static int buffer_prepare(struct vb2_buffer *vb2)
917 {
918 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
919 struct saa7134_dev *dev = dmaq->dev;
920 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
921 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
922 struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0);
923 unsigned int size;
924
925 if (dma->sgl->offset) {
926 pr_err("The buffer is not page-aligned\n");
927 return -EINVAL;
928 }
929 size = (dev->width * dev->height * dev->fmt->depth) >> 3;
930 if (vb2_plane_size(vb2, 0) < size)
931 return -EINVAL;
932
933 vb2_set_plane_payload(vb2, 0, size);
934 vbuf->field = dev->field;
935
936 return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
937 saa7134_buffer_startpage(buf));
938 }
939
940 static int queue_setup(struct vb2_queue *q,
941 unsigned int *nbuffers, unsigned int *nplanes,
942 unsigned int sizes[], struct device *alloc_devs[])
943 {
944 struct saa7134_dmaqueue *dmaq = q->drv_priv;
945 struct saa7134_dev *dev = dmaq->dev;
946 int size = dev->fmt->depth * dev->width * dev->height >> 3;
947
948 if (dev->width < 48 ||
949 dev->height < 32 ||
950 dev->width/4 > dev->crop_current.width ||
951 dev->height/4 > dev->crop_current.height ||
952 dev->width > dev->crop_bounds.width ||
953 dev->height > dev->crop_bounds.height)
954 return -EINVAL;
955
956 *nbuffers = saa7134_buffer_count(size, *nbuffers);
957 *nplanes = 1;
958 sizes[0] = size;
959
960 saa7134_enable_analog_tuner(dev);
961
962 return 0;
963 }
964
965 /*
966 * move buffer to hardware queue
967 */
968 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
969 {
970 struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
971 struct saa7134_dev *dev = dmaq->dev;
972 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
973 struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
974
975 saa7134_buffer_queue(dev, dmaq, buf);
976 }
977 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
978
979 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
980 {
981 struct saa7134_dmaqueue *dmaq = vq->drv_priv;
982 struct saa7134_dev *dev = dmaq->dev;
983
984 /*
985 * Planar video capture and TS share the same DMA channel,
986 * so only one can be active at a time.
987 */
988 if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
989 dmaq == &dev->video_q && dev->fmt->planar) {
990 struct saa7134_buf *buf, *tmp;
991
992 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
993 list_del(&buf->entry);
994 vb2_buffer_done(&buf->vb2.vb2_buf,
995 VB2_BUF_STATE_QUEUED);
996 }
997 if (dmaq->curr) {
998 vb2_buffer_done(&dmaq->curr->vb2.vb2_buf,
999 VB2_BUF_STATE_QUEUED);
1000 dmaq->curr = NULL;
1001 }
1002 return -EBUSY;
1003 }
1004
1005 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
1006 * configured conservatively, there's 22 usec of buffering for video.
1007 * We therefore request a DMA latency of 20 usec, giving us 2 usec of
1008 * margin in case the FIFO is configured differently to the datasheet.
1009 * Unfortunately, I lack register-level documentation to check the
1010 * Linux FIFO setup and confirm the perfect value.
1011 */
1012 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
1013 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1014 cpu_latency_qos_add_request(&dev->qos_request, 20);
1015 dmaq->seq_nr = 0;
1016
1017 return 0;
1018 }
1019
1020 void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
1021 {
1022 struct saa7134_dmaqueue *dmaq = vq->drv_priv;
1023 struct saa7134_dev *dev = dmaq->dev;
1024
1025 saa7134_stop_streaming(dev, dmaq);
1026
1027 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
1028 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1029 cpu_latency_qos_remove_request(&dev->qos_request);
1030 }
1031
1032 static const struct vb2_ops vb2_qops = {
1033 .queue_setup = queue_setup,
1034 .buf_init = buffer_init,
1035 .buf_prepare = buffer_prepare,
1036 .buf_queue = saa7134_vb2_buffer_queue,
1037 .wait_prepare = vb2_ops_wait_prepare,
1038 .wait_finish = vb2_ops_wait_finish,
1039 .start_streaming = saa7134_vb2_start_streaming,
1040 .stop_streaming = saa7134_vb2_stop_streaming,
1041 };
1042
1043 /* ------------------------------------------------------------------ */
1044
1045 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
1046 {
1047 struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
1048 unsigned long flags;
1049 int restart_overlay = 0;
1050
1051 switch (ctrl->id) {
1052 case V4L2_CID_BRIGHTNESS:
1053 dev->ctl_bright = ctrl->val;
1054 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
1055 break;
1056 case V4L2_CID_HUE:
1057 dev->ctl_hue = ctrl->val;
1058 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
1059 break;
1060 case V4L2_CID_CONTRAST:
1061 dev->ctl_contrast = ctrl->val;
1062 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1063 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1064 break;
1065 case V4L2_CID_SATURATION:
1066 dev->ctl_saturation = ctrl->val;
1067 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1068 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1069 break;
1070 case V4L2_CID_AUDIO_MUTE:
1071 dev->ctl_mute = ctrl->val;
1072 saa7134_tvaudio_setmute(dev);
1073 break;
1074 case V4L2_CID_AUDIO_VOLUME:
1075 dev->ctl_volume = ctrl->val;
1076 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1077 break;
1078 case V4L2_CID_PRIVATE_INVERT:
1079 dev->ctl_invert = ctrl->val;
1080 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1081 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1082 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1083 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1084 break;
1085 case V4L2_CID_HFLIP:
1086 dev->ctl_mirror = ctrl->val;
1087 restart_overlay = 1;
1088 break;
1089 case V4L2_CID_PRIVATE_Y_EVEN:
1090 dev->ctl_y_even = ctrl->val;
1091 restart_overlay = 1;
1092 break;
1093 case V4L2_CID_PRIVATE_Y_ODD:
1094 dev->ctl_y_odd = ctrl->val;
1095 restart_overlay = 1;
1096 break;
1097 case V4L2_CID_PRIVATE_AUTOMUTE:
1098 {
1099 struct v4l2_priv_tun_config tda9887_cfg;
1100
1101 tda9887_cfg.tuner = TUNER_TDA9887;
1102 tda9887_cfg.priv = &dev->tda9887_conf;
1103
1104 dev->ctl_automute = ctrl->val;
1105 if (dev->tda9887_conf) {
1106 if (dev->ctl_automute)
1107 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1108 else
1109 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1110
1111 saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1112 }
1113 break;
1114 }
1115 default:
1116 return -EINVAL;
1117 }
1118 if (restart_overlay && dev->overlay_owner) {
1119 spin_lock_irqsave(&dev->slock, flags);
1120 stop_preview(dev);
1121 start_preview(dev);
1122 spin_unlock_irqrestore(&dev->slock, flags);
1123 }
1124 return 0;
1125 }
1126
1127 /* ------------------------------------------------------------------ */
1128
1129 static int video_open(struct file *file)
1130 {
1131 struct video_device *vdev = video_devdata(file);
1132 struct saa7134_dev *dev = video_drvdata(file);
1133 int ret = v4l2_fh_open(file);
1134
1135 if (ret < 0)
1136 return ret;
1137
1138 mutex_lock(&dev->lock);
1139 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1140 /* switch to radio mode */
1141 saa7134_tvaudio_setinput(dev, &card(dev).radio);
1142 saa_call_all(dev, tuner, s_radio);
1143 } else {
1144 /* switch to video/vbi mode */
1145 video_mux(dev, dev->ctl_input);
1146 }
1147 mutex_unlock(&dev->lock);
1148
1149 return 0;
1150 }
1151
1152 static int video_release(struct file *file)
1153 {
1154 struct video_device *vdev = video_devdata(file);
1155 struct saa7134_dev *dev = video_drvdata(file);
1156 struct v4l2_fh *fh = file->private_data;
1157 struct saa6588_command cmd;
1158 unsigned long flags;
1159
1160 mutex_lock(&dev->lock);
1161 saa7134_tvaudio_close(dev);
1162
1163 /* turn off overlay */
1164 if (fh == dev->overlay_owner) {
1165 spin_lock_irqsave(&dev->slock,flags);
1166 stop_preview(dev);
1167 spin_unlock_irqrestore(&dev->slock,flags);
1168 dev->overlay_owner = NULL;
1169 }
1170
1171 if (vdev->vfl_type == VFL_TYPE_RADIO)
1172 v4l2_fh_release(file);
1173 else
1174 _vb2_fop_release(file, NULL);
1175
1176 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1177 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1178 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1179 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1180 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1181
1182 saa_call_all(dev, tuner, standby);
1183 if (vdev->vfl_type == VFL_TYPE_RADIO)
1184 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1185 mutex_unlock(&dev->lock);
1186
1187 return 0;
1188 }
1189
1190 static ssize_t radio_read(struct file *file, char __user *data,
1191 size_t count, loff_t *ppos)
1192 {
1193 struct saa7134_dev *dev = video_drvdata(file);
1194 struct saa6588_command cmd;
1195
1196 cmd.block_count = count/3;
1197 cmd.nonblocking = file->f_flags & O_NONBLOCK;
1198 cmd.buffer = data;
1199 cmd.instance = file;
1200 cmd.result = -ENODEV;
1201
1202 mutex_lock(&dev->lock);
1203 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1204 mutex_unlock(&dev->lock);
1205
1206 return cmd.result;
1207 }
1208
1209 static __poll_t radio_poll(struct file *file, poll_table *wait)
1210 {
1211 struct saa7134_dev *dev = video_drvdata(file);
1212 struct saa6588_command cmd;
1213 __poll_t rc = v4l2_ctrl_poll(file, wait);
1214
1215 cmd.instance = file;
1216 cmd.event_list = wait;
1217 cmd.poll_mask = 0;
1218 mutex_lock(&dev->lock);
1219 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1220 mutex_unlock(&dev->lock);
1221
1222 return rc | cmd.poll_mask;
1223 }
1224
1225 /* ------------------------------------------------------------------ */
1226
1227 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1228 struct v4l2_format *f)
1229 {
1230 struct saa7134_dev *dev = video_drvdata(file);
1231 struct saa7134_tvnorm *norm = dev->tvnorm;
1232
1233 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1234 f->fmt.vbi.sampling_rate = 6750000 * 4;
1235 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1236 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1237 f->fmt.vbi.offset = 64 * 4;
1238 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1239 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1240 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1241 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1242 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1243
1244 return 0;
1245 }
1246
1247 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1248 struct v4l2_format *f)
1249 {
1250 struct saa7134_dev *dev = video_drvdata(file);
1251
1252 f->fmt.pix.width = dev->width;
1253 f->fmt.pix.height = dev->height;
1254 f->fmt.pix.field = dev->field;
1255 f->fmt.pix.pixelformat = dev->fmt->fourcc;
1256 if (dev->fmt->planar)
1257 f->fmt.pix.bytesperline = f->fmt.pix.width;
1258 else
1259 f->fmt.pix.bytesperline =
1260 (f->fmt.pix.width * dev->fmt->depth) / 8;
1261 f->fmt.pix.sizeimage =
1262 (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8;
1263 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1264 return 0;
1265 }
1266
1267 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1268 struct v4l2_format *f)
1269 {
1270 struct saa7134_dev *dev = video_drvdata(file);
1271 u32 clipcount = f->fmt.win.clipcount;
1272 int i;
1273
1274 if (saa7134_no_overlay > 0) {
1275 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1276 return -EINVAL;
1277 }
1278 f->fmt.win = dev->win;
1279 if (!f->fmt.win.clips) {
1280 f->fmt.win.clipcount = 0;
1281 return 0;
1282 }
1283 if (dev->nclips < clipcount)
1284 clipcount = dev->nclips;
1285 f->fmt.win.clipcount = clipcount;
1286
1287 for (i = 0; i < clipcount; i++) {
1288 memcpy(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1289 sizeof(struct v4l2_rect));
1290 }
1291
1292 return 0;
1293 }
1294
1295 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1296 struct v4l2_format *f)
1297 {
1298 struct saa7134_dev *dev = video_drvdata(file);
1299 struct saa7134_format *fmt;
1300 enum v4l2_field field;
1301 unsigned int maxw, maxh;
1302
1303 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1304 if (NULL == fmt)
1305 return -EINVAL;
1306
1307 field = f->fmt.pix.field;
1308 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1309 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1310
1311 if (V4L2_FIELD_ANY == field) {
1312 field = (f->fmt.pix.height > maxh/2)
1313 ? V4L2_FIELD_INTERLACED
1314 : V4L2_FIELD_BOTTOM;
1315 }
1316 switch (field) {
1317 case V4L2_FIELD_TOP:
1318 case V4L2_FIELD_BOTTOM:
1319 maxh = maxh / 2;
1320 break;
1321 default:
1322 field = V4L2_FIELD_INTERLACED;
1323 break;
1324 }
1325
1326 f->fmt.pix.field = field;
1327 if (f->fmt.pix.width < 48)
1328 f->fmt.pix.width = 48;
1329 if (f->fmt.pix.height < 32)
1330 f->fmt.pix.height = 32;
1331 if (f->fmt.pix.width > maxw)
1332 f->fmt.pix.width = maxw;
1333 if (f->fmt.pix.height > maxh)
1334 f->fmt.pix.height = maxh;
1335 f->fmt.pix.width &= ~0x03;
1336 if (fmt->planar)
1337 f->fmt.pix.bytesperline = f->fmt.pix.width;
1338 else
1339 f->fmt.pix.bytesperline =
1340 (f->fmt.pix.width * fmt->depth) / 8;
1341 f->fmt.pix.sizeimage =
1342 (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8;
1343 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1344
1345 return 0;
1346 }
1347
1348 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1349 struct v4l2_format *f)
1350 {
1351 struct saa7134_dev *dev = video_drvdata(file);
1352
1353 if (saa7134_no_overlay > 0) {
1354 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1355 return -EINVAL;
1356 }
1357
1358 if (f->fmt.win.clips == NULL)
1359 f->fmt.win.clipcount = 0;
1360 return verify_preview(dev, &f->fmt.win, true);
1361 }
1362
1363 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1364 struct v4l2_format *f)
1365 {
1366 struct saa7134_dev *dev = video_drvdata(file);
1367 int err;
1368
1369 err = saa7134_try_fmt_vid_cap(file, priv, f);
1370 if (0 != err)
1371 return err;
1372
1373 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1374 dev->width = f->fmt.pix.width;
1375 dev->height = f->fmt.pix.height;
1376 dev->field = f->fmt.pix.field;
1377 return 0;
1378 }
1379
1380 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1381 struct v4l2_format *f)
1382 {
1383 struct saa7134_dev *dev = video_drvdata(file);
1384 int err;
1385 unsigned long flags;
1386
1387 if (saa7134_no_overlay > 0) {
1388 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1389 return -EINVAL;
1390 }
1391 if (f->fmt.win.clips == NULL)
1392 f->fmt.win.clipcount = 0;
1393 err = verify_preview(dev, &f->fmt.win, true);
1394 if (0 != err)
1395 return err;
1396
1397 dev->win = f->fmt.win;
1398 dev->nclips = f->fmt.win.clipcount;
1399
1400 memcpy(dev->clips, f->fmt.win.clips,
1401 sizeof(struct v4l2_clip) * dev->nclips);
1402
1403 if (priv == dev->overlay_owner) {
1404 spin_lock_irqsave(&dev->slock, flags);
1405 stop_preview(dev);
1406 start_preview(dev);
1407 spin_unlock_irqrestore(&dev->slock, flags);
1408 }
1409
1410 return 0;
1411 }
1412
1413 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1414 {
1415 struct saa7134_dev *dev = video_drvdata(file);
1416 unsigned int n;
1417
1418 n = i->index;
1419 if (n >= SAA7134_INPUT_MAX)
1420 return -EINVAL;
1421 if (card_in(dev, i->index).type == SAA7134_NO_INPUT)
1422 return -EINVAL;
1423 i->index = n;
1424 strscpy(i->name, saa7134_input_name[card_in(dev, n).type],
1425 sizeof(i->name));
1426 switch (card_in(dev, n).type) {
1427 case SAA7134_INPUT_TV:
1428 case SAA7134_INPUT_TV_MONO:
1429 i->type = V4L2_INPUT_TYPE_TUNER;
1430 break;
1431 default:
1432 i->type = V4L2_INPUT_TYPE_CAMERA;
1433 break;
1434 }
1435 if (n == dev->ctl_input) {
1436 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1437 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1438
1439 if (0 != (v1 & 0x40))
1440 i->status |= V4L2_IN_ST_NO_H_LOCK;
1441 if (0 != (v2 & 0x40))
1442 i->status |= V4L2_IN_ST_NO_SIGNAL;
1443 if (0 != (v2 & 0x0e))
1444 i->status |= V4L2_IN_ST_MACROVISION;
1445 }
1446 i->std = SAA7134_NORMS;
1447 return 0;
1448 }
1449 EXPORT_SYMBOL_GPL(saa7134_enum_input);
1450
1451 int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1452 {
1453 struct saa7134_dev *dev = video_drvdata(file);
1454
1455 *i = dev->ctl_input;
1456 return 0;
1457 }
1458 EXPORT_SYMBOL_GPL(saa7134_g_input);
1459
1460 int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1461 {
1462 struct saa7134_dev *dev = video_drvdata(file);
1463
1464 if (i >= SAA7134_INPUT_MAX)
1465 return -EINVAL;
1466 if (card_in(dev, i).type == SAA7134_NO_INPUT)
1467 return -EINVAL;
1468 video_mux(dev, i);
1469 return 0;
1470 }
1471 EXPORT_SYMBOL_GPL(saa7134_s_input);
1472
1473 int saa7134_querycap(struct file *file, void *priv,
1474 struct v4l2_capability *cap)
1475 {
1476 struct saa7134_dev *dev = video_drvdata(file);
1477
1478 strscpy(cap->driver, "saa7134", sizeof(cap->driver));
1479 strscpy(cap->card, saa7134_boards[dev->board].name,
1480 sizeof(cap->card));
1481 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1482 cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1483 V4L2_CAP_RADIO | V4L2_CAP_VIDEO_CAPTURE |
1484 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1485 if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1486 cap->capabilities |= V4L2_CAP_TUNER;
1487 if (dev->has_rds)
1488 cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
1489 if (saa7134_no_overlay <= 0)
1490 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1491
1492 return 0;
1493 }
1494 EXPORT_SYMBOL_GPL(saa7134_querycap);
1495
1496 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1497 {
1498 struct saa7134_dev *dev = video_drvdata(file);
1499 struct v4l2_fh *fh = priv;
1500 unsigned long flags;
1501 unsigned int i;
1502 v4l2_std_id fixup;
1503
1504 if (is_empress(file) && dev->overlay_owner) {
1505 /* Don't change the std from the mpeg device
1506 if overlay is active. */
1507 return -EBUSY;
1508 }
1509
1510 for (i = 0; i < TVNORMS; i++)
1511 if (id == tvnorms[i].id)
1512 break;
1513
1514 if (i == TVNORMS)
1515 for (i = 0; i < TVNORMS; i++)
1516 if (id & tvnorms[i].id)
1517 break;
1518 if (i == TVNORMS)
1519 return -EINVAL;
1520
1521 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1522 if (secam[0] == 'L' || secam[0] == 'l') {
1523 if (secam[1] == 'C' || secam[1] == 'c')
1524 fixup = V4L2_STD_SECAM_LC;
1525 else
1526 fixup = V4L2_STD_SECAM_L;
1527 } else {
1528 if (secam[0] == 'D' || secam[0] == 'd')
1529 fixup = V4L2_STD_SECAM_DK;
1530 else
1531 fixup = V4L2_STD_SECAM;
1532 }
1533 for (i = 0; i < TVNORMS; i++) {
1534 if (fixup == tvnorms[i].id)
1535 break;
1536 }
1537 if (i == TVNORMS)
1538 return -EINVAL;
1539 }
1540
1541 id = tvnorms[i].id;
1542
1543 if (!is_empress(file) && fh == dev->overlay_owner) {
1544 spin_lock_irqsave(&dev->slock, flags);
1545 stop_preview(dev);
1546 spin_unlock_irqrestore(&dev->slock, flags);
1547
1548 set_tvnorm(dev, &tvnorms[i]);
1549
1550 spin_lock_irqsave(&dev->slock, flags);
1551 start_preview(dev);
1552 spin_unlock_irqrestore(&dev->slock, flags);
1553 } else
1554 set_tvnorm(dev, &tvnorms[i]);
1555
1556 saa7134_tvaudio_do_scan(dev);
1557 return 0;
1558 }
1559 EXPORT_SYMBOL_GPL(saa7134_s_std);
1560
1561 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1562 {
1563 struct saa7134_dev *dev = video_drvdata(file);
1564
1565 *id = dev->tvnorm->id;
1566 return 0;
1567 }
1568 EXPORT_SYMBOL_GPL(saa7134_g_std);
1569
1570 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1571 {
1572 static v4l2_std_id stds[] = {
1573 V4L2_STD_UNKNOWN,
1574 V4L2_STD_NTSC,
1575 V4L2_STD_PAL,
1576 V4L2_STD_SECAM };
1577
1578 v4l2_std_id result = 0;
1579
1580 u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1581 u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1582
1583 if (!(st2 & 0x1)) /* RDCAP == 0 */
1584 result = V4L2_STD_UNKNOWN;
1585 else
1586 result = stds[st1 & 0x03];
1587
1588 return result;
1589 }
1590
1591 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1592 {
1593 struct saa7134_dev *dev = video_drvdata(file);
1594 *std &= saa7134_read_std(dev);
1595 return 0;
1596 }
1597 EXPORT_SYMBOL_GPL(saa7134_querystd);
1598
1599 static int saa7134_g_pixelaspect(struct file *file, void *priv,
1600 int type, struct v4l2_fract *f)
1601 {
1602 struct saa7134_dev *dev = video_drvdata(file);
1603
1604 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1605 type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1606 return -EINVAL;
1607
1608 if (dev->tvnorm->id & V4L2_STD_525_60) {
1609 f->numerator = 11;
1610 f->denominator = 10;
1611 }
1612 if (dev->tvnorm->id & V4L2_STD_625_50) {
1613 f->numerator = 54;
1614 f->denominator = 59;
1615 }
1616 return 0;
1617 }
1618
1619 static int saa7134_g_selection(struct file *file, void *f, struct v4l2_selection *sel)
1620 {
1621 struct saa7134_dev *dev = video_drvdata(file);
1622
1623 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1624 sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1625 return -EINVAL;
1626
1627 switch (sel->target) {
1628 case V4L2_SEL_TGT_CROP:
1629 sel->r = dev->crop_current;
1630 break;
1631 case V4L2_SEL_TGT_CROP_DEFAULT:
1632 sel->r = dev->crop_defrect;
1633 break;
1634 case V4L2_SEL_TGT_CROP_BOUNDS:
1635 sel->r = dev->crop_bounds;
1636 break;
1637 default:
1638 return -EINVAL;
1639 }
1640 return 0;
1641 }
1642
1643 static int saa7134_s_selection(struct file *file, void *f, struct v4l2_selection *sel)
1644 {
1645 struct saa7134_dev *dev = video_drvdata(file);
1646 struct v4l2_rect *b = &dev->crop_bounds;
1647 struct v4l2_rect *c = &dev->crop_current;
1648
1649 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1650 sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1651 return -EINVAL;
1652
1653 if (sel->target != V4L2_SEL_TGT_CROP)
1654 return -EINVAL;
1655
1656 if (dev->overlay_owner)
1657 return -EBUSY;
1658 if (vb2_is_streaming(&dev->video_vbq))
1659 return -EBUSY;
1660
1661 *c = sel->r;
1662 if (c->top < b->top)
1663 c->top = b->top;
1664 if (c->top > b->top + b->height)
1665 c->top = b->top + b->height;
1666 if (c->height > b->top - c->top + b->height)
1667 c->height = b->top - c->top + b->height;
1668
1669 if (c->left < b->left)
1670 c->left = b->left;
1671 if (c->left > b->left + b->width)
1672 c->left = b->left + b->width;
1673 if (c->width > b->left - c->left + b->width)
1674 c->width = b->left - c->left + b->width;
1675 sel->r = *c;
1676 return 0;
1677 }
1678
1679 int saa7134_g_tuner(struct file *file, void *priv,
1680 struct v4l2_tuner *t)
1681 {
1682 struct saa7134_dev *dev = video_drvdata(file);
1683 int n;
1684
1685 if (0 != t->index)
1686 return -EINVAL;
1687 memset(t, 0, sizeof(*t));
1688 for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1689 if (card_in(dev, n).type == SAA7134_INPUT_TV ||
1690 card_in(dev, n).type == SAA7134_INPUT_TV_MONO)
1691 break;
1692 }
1693 if (n == SAA7134_INPUT_MAX)
1694 return -EINVAL;
1695 if (card_in(dev, n).type != SAA7134_NO_INPUT) {
1696 strscpy(t->name, "Television", sizeof(t->name));
1697 t->type = V4L2_TUNER_ANALOG_TV;
1698 saa_call_all(dev, tuner, g_tuner, t);
1699 t->capability = V4L2_TUNER_CAP_NORM |
1700 V4L2_TUNER_CAP_STEREO |
1701 V4L2_TUNER_CAP_LANG1 |
1702 V4L2_TUNER_CAP_LANG2;
1703 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1704 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1705 }
1706 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1707 t->signal = 0xffff;
1708 return 0;
1709 }
1710 EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1711
1712 int saa7134_s_tuner(struct file *file, void *priv,
1713 const struct v4l2_tuner *t)
1714 {
1715 struct saa7134_dev *dev = video_drvdata(file);
1716 int rx, mode;
1717
1718 if (0 != t->index)
1719 return -EINVAL;
1720
1721 mode = dev->thread.mode;
1722 if (UNSET == mode) {
1723 rx = saa7134_tvaudio_getstereo(dev);
1724 mode = saa7134_tvaudio_rx2mode(rx);
1725 }
1726 if (mode != t->audmode)
1727 dev->thread.mode = t->audmode;
1728
1729 return 0;
1730 }
1731 EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1732
1733 int saa7134_g_frequency(struct file *file, void *priv,
1734 struct v4l2_frequency *f)
1735 {
1736 struct saa7134_dev *dev = video_drvdata(file);
1737
1738 if (0 != f->tuner)
1739 return -EINVAL;
1740
1741 saa_call_all(dev, tuner, g_frequency, f);
1742
1743 return 0;
1744 }
1745 EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1746
1747 int saa7134_s_frequency(struct file *file, void *priv,
1748 const struct v4l2_frequency *f)
1749 {
1750 struct saa7134_dev *dev = video_drvdata(file);
1751
1752 if (0 != f->tuner)
1753 return -EINVAL;
1754
1755 saa_call_all(dev, tuner, s_frequency, f);
1756
1757 saa7134_tvaudio_do_scan(dev);
1758 return 0;
1759 }
1760 EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1761
1762 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
1763 struct v4l2_fmtdesc *f)
1764 {
1765 if (f->index >= FORMATS)
1766 return -EINVAL;
1767
1768 f->pixelformat = formats[f->index].fourcc;
1769
1770 return 0;
1771 }
1772
1773 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
1774 struct v4l2_fmtdesc *f)
1775 {
1776 if (saa7134_no_overlay > 0) {
1777 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1778 return -EINVAL;
1779 }
1780
1781 if ((f->index >= FORMATS) || formats[f->index].planar)
1782 return -EINVAL;
1783
1784 f->pixelformat = formats[f->index].fourcc;
1785
1786 return 0;
1787 }
1788
1789 static int saa7134_g_fbuf(struct file *file, void *f,
1790 struct v4l2_framebuffer *fb)
1791 {
1792 struct saa7134_dev *dev = video_drvdata(file);
1793
1794 *fb = dev->ovbuf;
1795 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1796
1797 return 0;
1798 }
1799
1800 static int saa7134_s_fbuf(struct file *file, void *f,
1801 const struct v4l2_framebuffer *fb)
1802 {
1803 struct saa7134_dev *dev = video_drvdata(file);
1804 struct saa7134_format *fmt;
1805
1806 if (!capable(CAP_SYS_ADMIN) &&
1807 !capable(CAP_SYS_RAWIO))
1808 return -EPERM;
1809
1810 /* check args */
1811 fmt = format_by_fourcc(fb->fmt.pixelformat);
1812 if (NULL == fmt)
1813 return -EINVAL;
1814
1815 /* ok, accept it */
1816 dev->ovbuf = *fb;
1817 dev->ovfmt = fmt;
1818 if (0 == dev->ovbuf.fmt.bytesperline)
1819 dev->ovbuf.fmt.bytesperline =
1820 dev->ovbuf.fmt.width*fmt->depth/8;
1821 return 0;
1822 }
1823
1824 static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
1825 {
1826 struct saa7134_dev *dev = video_drvdata(file);
1827 unsigned long flags;
1828
1829 if (on) {
1830 if (saa7134_no_overlay > 0) {
1831 video_dbg("no_overlay\n");
1832 return -EINVAL;
1833 }
1834
1835 if (dev->overlay_owner && priv != dev->overlay_owner)
1836 return -EBUSY;
1837 dev->overlay_owner = priv;
1838 spin_lock_irqsave(&dev->slock, flags);
1839 start_preview(dev);
1840 spin_unlock_irqrestore(&dev->slock, flags);
1841 }
1842 if (!on) {
1843 if (priv != dev->overlay_owner)
1844 return -EINVAL;
1845 spin_lock_irqsave(&dev->slock, flags);
1846 stop_preview(dev);
1847 spin_unlock_irqrestore(&dev->slock, flags);
1848 dev->overlay_owner = NULL;
1849 }
1850 return 0;
1851 }
1852
1853 #ifdef CONFIG_VIDEO_ADV_DEBUG
1854 static int vidioc_g_register (struct file *file, void *priv,
1855 struct v4l2_dbg_register *reg)
1856 {
1857 struct saa7134_dev *dev = video_drvdata(file);
1858
1859 reg->val = saa_readb(reg->reg & 0xffffff);
1860 reg->size = 1;
1861 return 0;
1862 }
1863
1864 static int vidioc_s_register (struct file *file, void *priv,
1865 const struct v4l2_dbg_register *reg)
1866 {
1867 struct saa7134_dev *dev = video_drvdata(file);
1868
1869 saa_writeb(reg->reg & 0xffffff, reg->val);
1870 return 0;
1871 }
1872 #endif
1873
1874 static int radio_g_tuner(struct file *file, void *priv,
1875 struct v4l2_tuner *t)
1876 {
1877 struct saa7134_dev *dev = video_drvdata(file);
1878
1879 if (0 != t->index)
1880 return -EINVAL;
1881
1882 strscpy(t->name, "Radio", sizeof(t->name));
1883
1884 saa_call_all(dev, tuner, g_tuner, t);
1885 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1886 if (dev->input->amux == TV) {
1887 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1888 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1889 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1890 }
1891 return 0;
1892 }
1893 static int radio_s_tuner(struct file *file, void *priv,
1894 const struct v4l2_tuner *t)
1895 {
1896 struct saa7134_dev *dev = video_drvdata(file);
1897
1898 if (0 != t->index)
1899 return -EINVAL;
1900
1901 saa_call_all(dev, tuner, s_tuner, t);
1902 return 0;
1903 }
1904
1905 static const struct v4l2_file_operations video_fops =
1906 {
1907 .owner = THIS_MODULE,
1908 .open = video_open,
1909 .release = video_release,
1910 .read = vb2_fop_read,
1911 .poll = vb2_fop_poll,
1912 .mmap = vb2_fop_mmap,
1913 .unlocked_ioctl = video_ioctl2,
1914 };
1915
1916 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1917 .vidioc_querycap = saa7134_querycap,
1918 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap,
1919 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
1920 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
1921 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
1922 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay,
1923 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay,
1924 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay,
1925 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay,
1926 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1927 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1928 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1929 .vidioc_g_pixelaspect = saa7134_g_pixelaspect,
1930 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1931 .vidioc_querybuf = vb2_ioctl_querybuf,
1932 .vidioc_qbuf = vb2_ioctl_qbuf,
1933 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1934 .vidioc_expbuf = vb2_ioctl_expbuf,
1935 .vidioc_s_std = saa7134_s_std,
1936 .vidioc_g_std = saa7134_g_std,
1937 .vidioc_querystd = saa7134_querystd,
1938 .vidioc_enum_input = saa7134_enum_input,
1939 .vidioc_g_input = saa7134_g_input,
1940 .vidioc_s_input = saa7134_s_input,
1941 .vidioc_streamon = vb2_ioctl_streamon,
1942 .vidioc_streamoff = vb2_ioctl_streamoff,
1943 .vidioc_g_tuner = saa7134_g_tuner,
1944 .vidioc_s_tuner = saa7134_s_tuner,
1945 .vidioc_g_selection = saa7134_g_selection,
1946 .vidioc_s_selection = saa7134_s_selection,
1947 .vidioc_g_fbuf = saa7134_g_fbuf,
1948 .vidioc_s_fbuf = saa7134_s_fbuf,
1949 .vidioc_overlay = saa7134_overlay,
1950 .vidioc_g_frequency = saa7134_g_frequency,
1951 .vidioc_s_frequency = saa7134_s_frequency,
1952 #ifdef CONFIG_VIDEO_ADV_DEBUG
1953 .vidioc_g_register = vidioc_g_register,
1954 .vidioc_s_register = vidioc_s_register,
1955 #endif
1956 .vidioc_log_status = v4l2_ctrl_log_status,
1957 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1958 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1959 };
1960
1961 static const struct v4l2_file_operations radio_fops = {
1962 .owner = THIS_MODULE,
1963 .open = video_open,
1964 .read = radio_read,
1965 .release = video_release,
1966 .unlocked_ioctl = video_ioctl2,
1967 .poll = radio_poll,
1968 };
1969
1970 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1971 .vidioc_querycap = saa7134_querycap,
1972 .vidioc_g_tuner = radio_g_tuner,
1973 .vidioc_s_tuner = radio_s_tuner,
1974 .vidioc_g_frequency = saa7134_g_frequency,
1975 .vidioc_s_frequency = saa7134_s_frequency,
1976 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1977 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1978 };
1979
1980 /* ----------------------------------------------------------- */
1981 /* exported stuff */
1982
1983 struct video_device saa7134_video_template = {
1984 .name = "saa7134-video",
1985 .fops = &video_fops,
1986 .ioctl_ops = &video_ioctl_ops,
1987 .tvnorms = SAA7134_NORMS,
1988 };
1989
1990 struct video_device saa7134_radio_template = {
1991 .name = "saa7134-radio",
1992 .fops = &radio_fops,
1993 .ioctl_ops = &radio_ioctl_ops,
1994 };
1995
1996 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
1997 .s_ctrl = saa7134_s_ctrl,
1998 };
1999
2000 static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
2001 .ops = &saa7134_ctrl_ops,
2002 .id = V4L2_CID_PRIVATE_INVERT,
2003 .name = "Invert",
2004 .type = V4L2_CTRL_TYPE_BOOLEAN,
2005 .min = 0,
2006 .max = 1,
2007 .step = 1,
2008 };
2009
2010 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
2011 .ops = &saa7134_ctrl_ops,
2012 .id = V4L2_CID_PRIVATE_Y_ODD,
2013 .name = "Y Offset Odd Field",
2014 .type = V4L2_CTRL_TYPE_INTEGER,
2015 .min = 0,
2016 .max = 128,
2017 .step = 1,
2018 };
2019
2020 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
2021 .ops = &saa7134_ctrl_ops,
2022 .id = V4L2_CID_PRIVATE_Y_EVEN,
2023 .name = "Y Offset Even Field",
2024 .type = V4L2_CTRL_TYPE_INTEGER,
2025 .min = 0,
2026 .max = 128,
2027 .step = 1,
2028 };
2029
2030 static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
2031 .ops = &saa7134_ctrl_ops,
2032 .id = V4L2_CID_PRIVATE_AUTOMUTE,
2033 .name = "Automute",
2034 .type = V4L2_CTRL_TYPE_BOOLEAN,
2035 .min = 0,
2036 .max = 1,
2037 .step = 1,
2038 .def = 1,
2039 };
2040
2041 int saa7134_video_init1(struct saa7134_dev *dev)
2042 {
2043 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
2044 struct vb2_queue *q;
2045 int ret;
2046
2047 /* sanitycheck insmod options */
2048 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2049 gbuffers = 2;
2050 if (gbufsize > gbufsize_max)
2051 gbufsize = gbufsize_max;
2052 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2053
2054 v4l2_ctrl_handler_init(hdl, 11);
2055 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2056 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2057 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2058 V4L2_CID_CONTRAST, 0, 127, 1, 68);
2059 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2060 V4L2_CID_SATURATION, 0, 127, 1, 64);
2061 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2062 V4L2_CID_HUE, -128, 127, 1, 0);
2063 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2064 V4L2_CID_HFLIP, 0, 1, 1, 0);
2065 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2066 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
2067 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2068 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
2069 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
2070 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
2071 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
2072 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
2073 if (hdl->error)
2074 return hdl->error;
2075 if (card_has_radio(dev)) {
2076 hdl = &dev->radio_ctrl_handler;
2077 v4l2_ctrl_handler_init(hdl, 2);
2078 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2079 v4l2_ctrl_radio_filter, false);
2080 if (hdl->error)
2081 return hdl->error;
2082 }
2083 dev->ctl_mute = 1;
2084
2085 if (dev->tda9887_conf && saa7134_ctrl_automute.def)
2086 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2087 dev->automute = 0;
2088
2089 INIT_LIST_HEAD(&dev->video_q.queue);
2090 timer_setup(&dev->video_q.timeout, saa7134_buffer_timeout, 0);
2091 dev->video_q.dev = dev;
2092 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2093 dev->width = 720;
2094 dev->height = 576;
2095 dev->field = V4L2_FIELD_INTERLACED;
2096 dev->win.w.width = dev->width;
2097 dev->win.w.height = dev->height;
2098 dev->win.field = V4L2_FIELD_INTERLACED;
2099 dev->ovbuf.fmt.width = dev->width;
2100 dev->ovbuf.fmt.height = dev->height;
2101 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2102 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2103
2104 if (saa7134_boards[dev->board].video_out)
2105 saa7134_videoport_init(dev);
2106
2107 q = &dev->video_vbq;
2108 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2109 /*
2110 * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
2111 * engine cannot handle transfers that do not start at the beginning
2112 * of a page. A user-provided pointer can start anywhere in a page, so
2113 * USERPTR support is a no-go unless the application knows about these
2114 * limitations and has special support for this.
2115 */
2116 q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
2117 if (saa7134_userptr)
2118 q->io_modes |= VB2_USERPTR;
2119 q->drv_priv = &dev->video_q;
2120 q->ops = &vb2_qops;
2121 q->gfp_flags = GFP_DMA32;
2122 q->mem_ops = &vb2_dma_sg_memops;
2123 q->buf_struct_size = sizeof(struct saa7134_buf);
2124 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2125 q->lock = &dev->lock;
2126 q->dev = &dev->pci->dev;
2127 ret = vb2_queue_init(q);
2128 if (ret)
2129 return ret;
2130 saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
2131
2132 q = &dev->vbi_vbq;
2133 q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
2134 /* Don't add VB2_USERPTR, see comment above */
2135 q->io_modes = VB2_MMAP | VB2_READ;
2136 if (saa7134_userptr)
2137 q->io_modes |= VB2_USERPTR;
2138 q->drv_priv = &dev->vbi_q;
2139 q->ops = &saa7134_vbi_qops;
2140 q->gfp_flags = GFP_DMA32;
2141 q->mem_ops = &vb2_dma_sg_memops;
2142 q->buf_struct_size = sizeof(struct saa7134_buf);
2143 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2144 q->lock = &dev->lock;
2145 q->dev = &dev->pci->dev;
2146 ret = vb2_queue_init(q);
2147 if (ret)
2148 return ret;
2149 saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
2150
2151 return 0;
2152 }
2153
2154 void saa7134_video_fini(struct saa7134_dev *dev)
2155 {
2156 /* free stuff */
2157 saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
2158 saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
2159 v4l2_ctrl_handler_free(&dev->ctrl_handler);
2160 if (card_has_radio(dev))
2161 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
2162 }
2163
2164 int saa7134_videoport_init(struct saa7134_dev *dev)
2165 {
2166 /* enable video output */
2167 int vo = saa7134_boards[dev->board].video_out;
2168 int video_reg;
2169 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2170
2171 /* Configure videoport */
2172 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2173 video_reg = video_out[vo][1];
2174 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2175 video_reg &= ~VP_T_CODE_P_INVERTED;
2176 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2177 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2178 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2179 video_reg = video_out[vo][5];
2180 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2181 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2182 if (vid_port_opts & SET_CLOCK_INVERTED)
2183 video_reg |= VP_CLK_CTRL1_INVERTED;
2184 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2185 video_reg = video_out[vo][6];
2186 if (vid_port_opts & SET_VSYNC_OFF) {
2187 video_reg &= ~VP_VS_TYPE_MASK;
2188 video_reg |= VP_VS_TYPE_OFF;
2189 }
2190 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2191 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2192 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2193
2194 /* Start videoport */
2195 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2196
2197 return 0;
2198 }
2199
2200 int saa7134_video_init2(struct saa7134_dev *dev)
2201 {
2202 /* init video hw */
2203 set_tvnorm(dev,&tvnorms[0]);
2204 video_mux(dev,0);
2205 v4l2_ctrl_handler_setup(&dev->ctrl_handler);
2206 saa7134_tvaudio_setmute(dev);
2207 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2208 return 0;
2209 }
2210
2211 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2212 {
2213 static const char *st[] = {
2214 "(no signal)", "NTSC", "PAL", "SECAM" };
2215 u32 st1,st2;
2216
2217 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2218 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2219 video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n",
2220 (st1 & 0x40) ? "not locked" : "locked",
2221 (st2 & 0x40) ? "no" : "yes",
2222 st[st1 & 0x03]);
2223 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2224
2225 if (dev->nosignal) {
2226 /* no video signal -> mute audio */
2227 if (dev->ctl_automute)
2228 dev->automute = 1;
2229 saa7134_tvaudio_setmute(dev);
2230 } else {
2231 /* wake up tvaudio audio carrier scan thread */
2232 saa7134_tvaudio_do_scan(dev);
2233 }
2234
2235 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2236 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2237 else
2238 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2239
2240 if (dev->mops && dev->mops->signal_change)
2241 dev->mops->signal_change(dev);
2242 }
2243
2244
2245 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2246 {
2247 enum v4l2_field field;
2248
2249 spin_lock(&dev->slock);
2250 if (dev->video_q.curr) {
2251 field = dev->field;
2252 if (V4L2_FIELD_HAS_BOTH(field)) {
2253 /* make sure we have seen both fields */
2254 if ((status & 0x10) == 0x00) {
2255 dev->video_q.curr->top_seen = 1;
2256 goto done;
2257 }
2258 if (!dev->video_q.curr->top_seen)
2259 goto done;
2260 } else if (field == V4L2_FIELD_TOP) {
2261 if ((status & 0x10) != 0x10)
2262 goto done;
2263 } else if (field == V4L2_FIELD_BOTTOM) {
2264 if ((status & 0x10) != 0x00)
2265 goto done;
2266 }
2267 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
2268 }
2269 saa7134_buffer_next(dev, &dev->video_q);
2270
2271 done:
2272 spin_unlock(&dev->slock);
2273 }
Linux with added FPC-III support