Merge tag 'media/v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[muen/linux.git] / drivers / media / pci / saa7134 / saa7134-video.c
1 /*
2  *
3  * device driver for philips saa7134 based TV cards
4  * video4linux video interface
5  *
6  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 2 of the License, or
11  *  (at your option) any later version.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  */
18
19 #include "saa7134.h"
20 #include "saa7134-reg.h"
21
22 #include <linux/init.h>
23 #include <linux/list.h>
24 #include <linux/module.h>
25 #include <linux/kernel.h>
26 #include <linux/slab.h>
27 #include <linux/sort.h>
28
29 #include <media/v4l2-common.h>
30 #include <media/v4l2-event.h>
31 #include <media/i2c/saa6588.h>
32
33 /* ------------------------------------------------------------------ */
34
35 unsigned int video_debug;
36 static unsigned int gbuffers      = 8;
37 static unsigned int noninterlaced; /* 0 */
38 static unsigned int gbufsize      = 720*576*4;
39 static unsigned int gbufsize_max  = 720*576*4;
40 static char secam[] = "--";
41 module_param(video_debug, int, 0644);
42 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
43 module_param(gbuffers, int, 0444);
44 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
45 module_param(noninterlaced, int, 0644);
46 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
47 module_param_string(secam, secam, sizeof(secam), 0644);
48 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
49
50
51 #define video_dbg(fmt, arg...) do { \
52         if (video_debug & 0x04) \
53                 printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \
54         } while (0)
55
56 /* ------------------------------------------------------------------ */
57 /* Defines for Video Output Port Register at address 0x191            */
58
59 /* Bit 0: VIP code T bit polarity */
60
61 #define VP_T_CODE_P_NON_INVERTED        0x00
62 #define VP_T_CODE_P_INVERTED            0x01
63
64 /* ------------------------------------------------------------------ */
65 /* Defines for Video Output Port Register at address 0x195            */
66
67 /* Bit 2: Video output clock delay control */
68
69 #define VP_CLK_CTRL2_NOT_DELAYED        0x00
70 #define VP_CLK_CTRL2_DELAYED            0x04
71
72 /* Bit 1: Video output clock invert control */
73
74 #define VP_CLK_CTRL1_NON_INVERTED       0x00
75 #define VP_CLK_CTRL1_INVERTED           0x02
76
77 /* ------------------------------------------------------------------ */
78 /* Defines for Video Output Port Register at address 0x196            */
79
80 /* Bits 2 to 0: VSYNC pin video vertical sync type */
81
82 #define VP_VS_TYPE_MASK                 0x07
83
84 #define VP_VS_TYPE_OFF                  0x00
85 #define VP_VS_TYPE_V123                 0x01
86 #define VP_VS_TYPE_V_ITU                0x02
87 #define VP_VS_TYPE_VGATE_L              0x03
88 #define VP_VS_TYPE_RESERVED1            0x04
89 #define VP_VS_TYPE_RESERVED2            0x05
90 #define VP_VS_TYPE_F_ITU                0x06
91 #define VP_VS_TYPE_SC_FID               0x07
92
93 /* ------------------------------------------------------------------ */
94 /* data structs for video                                             */
95
96 static int video_out[][9] = {
97         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
98 };
99
100 static struct saa7134_format formats[] = {
101         {
102                 .name     = "8 bpp gray",
103                 .fourcc   = V4L2_PIX_FMT_GREY,
104                 .depth    = 8,
105                 .pm       = 0x06,
106         },{
107                 .name     = "15 bpp RGB, le",
108                 .fourcc   = V4L2_PIX_FMT_RGB555,
109                 .depth    = 16,
110                 .pm       = 0x13 | 0x80,
111         },{
112                 .name     = "15 bpp RGB, be",
113                 .fourcc   = V4L2_PIX_FMT_RGB555X,
114                 .depth    = 16,
115                 .pm       = 0x13 | 0x80,
116                 .bswap    = 1,
117         },{
118                 .name     = "16 bpp RGB, le",
119                 .fourcc   = V4L2_PIX_FMT_RGB565,
120                 .depth    = 16,
121                 .pm       = 0x10 | 0x80,
122         },{
123                 .name     = "16 bpp RGB, be",
124                 .fourcc   = V4L2_PIX_FMT_RGB565X,
125                 .depth    = 16,
126                 .pm       = 0x10 | 0x80,
127                 .bswap    = 1,
128         },{
129                 .name     = "24 bpp RGB, le",
130                 .fourcc   = V4L2_PIX_FMT_BGR24,
131                 .depth    = 24,
132                 .pm       = 0x11,
133         },{
134                 .name     = "24 bpp RGB, be",
135                 .fourcc   = V4L2_PIX_FMT_RGB24,
136                 .depth    = 24,
137                 .pm       = 0x11,
138                 .bswap    = 1,
139         },{
140                 .name     = "32 bpp RGB, le",
141                 .fourcc   = V4L2_PIX_FMT_BGR32,
142                 .depth    = 32,
143                 .pm       = 0x12,
144         },{
145                 .name     = "32 bpp RGB, be",
146                 .fourcc   = V4L2_PIX_FMT_RGB32,
147                 .depth    = 32,
148                 .pm       = 0x12,
149                 .bswap    = 1,
150                 .wswap    = 1,
151         },{
152                 .name     = "4:2:2 packed, YUYV",
153                 .fourcc   = V4L2_PIX_FMT_YUYV,
154                 .depth    = 16,
155                 .pm       = 0x00,
156                 .bswap    = 1,
157                 .yuv      = 1,
158         },{
159                 .name     = "4:2:2 packed, UYVY",
160                 .fourcc   = V4L2_PIX_FMT_UYVY,
161                 .depth    = 16,
162                 .pm       = 0x00,
163                 .yuv      = 1,
164         },{
165                 .name     = "4:2:2 planar, Y-Cb-Cr",
166                 .fourcc   = V4L2_PIX_FMT_YUV422P,
167                 .depth    = 16,
168                 .pm       = 0x09,
169                 .yuv      = 1,
170                 .planar   = 1,
171                 .hshift   = 1,
172                 .vshift   = 0,
173         },{
174                 .name     = "4:2:0 planar, Y-Cb-Cr",
175                 .fourcc   = V4L2_PIX_FMT_YUV420,
176                 .depth    = 12,
177                 .pm       = 0x0a,
178                 .yuv      = 1,
179                 .planar   = 1,
180                 .hshift   = 1,
181                 .vshift   = 1,
182         },{
183                 .name     = "4:2:0 planar, Y-Cb-Cr",
184                 .fourcc   = V4L2_PIX_FMT_YVU420,
185                 .depth    = 12,
186                 .pm       = 0x0a,
187                 .yuv      = 1,
188                 .planar   = 1,
189                 .uvswap   = 1,
190                 .hshift   = 1,
191                 .vshift   = 1,
192         }
193 };
194 #define FORMATS ARRAY_SIZE(formats)
195
196 #define NORM_625_50                     \
197                 .h_start       = 0,     \
198                 .h_stop        = 719,   \
199                 .video_v_start = 24,    \
200                 .video_v_stop  = 311,   \
201                 .vbi_v_start_0 = 7,     \
202                 .vbi_v_stop_0  = 23,    \
203                 .vbi_v_start_1 = 319,   \
204                 .src_timing    = 4
205
206 #define NORM_525_60                     \
207                 .h_start       = 0,     \
208                 .h_stop        = 719,   \
209                 .video_v_start = 23,    \
210                 .video_v_stop  = 262,   \
211                 .vbi_v_start_0 = 10,    \
212                 .vbi_v_stop_0  = 21,    \
213                 .vbi_v_start_1 = 273,   \
214                 .src_timing    = 7
215
216 static struct saa7134_tvnorm tvnorms[] = {
217         {
218                 .name          = "PAL", /* autodetect */
219                 .id            = V4L2_STD_PAL,
220                 NORM_625_50,
221
222                 .sync_control  = 0x18,
223                 .luma_control  = 0x40,
224                 .chroma_ctrl1  = 0x81,
225                 .chroma_gain   = 0x2a,
226                 .chroma_ctrl2  = 0x06,
227                 .vgate_misc    = 0x1c,
228
229         },{
230                 .name          = "PAL-BG",
231                 .id            = V4L2_STD_PAL_BG,
232                 NORM_625_50,
233
234                 .sync_control  = 0x18,
235                 .luma_control  = 0x40,
236                 .chroma_ctrl1  = 0x81,
237                 .chroma_gain   = 0x2a,
238                 .chroma_ctrl2  = 0x06,
239                 .vgate_misc    = 0x1c,
240
241         },{
242                 .name          = "PAL-I",
243                 .id            = V4L2_STD_PAL_I,
244                 NORM_625_50,
245
246                 .sync_control  = 0x18,
247                 .luma_control  = 0x40,
248                 .chroma_ctrl1  = 0x81,
249                 .chroma_gain   = 0x2a,
250                 .chroma_ctrl2  = 0x06,
251                 .vgate_misc    = 0x1c,
252
253         },{
254                 .name          = "PAL-DK",
255                 .id            = V4L2_STD_PAL_DK,
256                 NORM_625_50,
257
258                 .sync_control  = 0x18,
259                 .luma_control  = 0x40,
260                 .chroma_ctrl1  = 0x81,
261                 .chroma_gain   = 0x2a,
262                 .chroma_ctrl2  = 0x06,
263                 .vgate_misc    = 0x1c,
264
265         },{
266                 .name          = "NTSC",
267                 .id            = V4L2_STD_NTSC,
268                 NORM_525_60,
269
270                 .sync_control  = 0x59,
271                 .luma_control  = 0x40,
272                 .chroma_ctrl1  = 0x89,
273                 .chroma_gain   = 0x2a,
274                 .chroma_ctrl2  = 0x0e,
275                 .vgate_misc    = 0x18,
276
277         },{
278                 .name          = "SECAM",
279                 .id            = V4L2_STD_SECAM,
280                 NORM_625_50,
281
282                 .sync_control  = 0x18,
283                 .luma_control  = 0x1b,
284                 .chroma_ctrl1  = 0xd1,
285                 .chroma_gain   = 0x80,
286                 .chroma_ctrl2  = 0x00,
287                 .vgate_misc    = 0x1c,
288
289         },{
290                 .name          = "SECAM-DK",
291                 .id            = V4L2_STD_SECAM_DK,
292                 NORM_625_50,
293
294                 .sync_control  = 0x18,
295                 .luma_control  = 0x1b,
296                 .chroma_ctrl1  = 0xd1,
297                 .chroma_gain   = 0x80,
298                 .chroma_ctrl2  = 0x00,
299                 .vgate_misc    = 0x1c,
300
301         },{
302                 .name          = "SECAM-L",
303                 .id            = V4L2_STD_SECAM_L,
304                 NORM_625_50,
305
306                 .sync_control  = 0x18,
307                 .luma_control  = 0x1b,
308                 .chroma_ctrl1  = 0xd1,
309                 .chroma_gain   = 0x80,
310                 .chroma_ctrl2  = 0x00,
311                 .vgate_misc    = 0x1c,
312
313         },{
314                 .name          = "SECAM-Lc",
315                 .id            = V4L2_STD_SECAM_LC,
316                 NORM_625_50,
317
318                 .sync_control  = 0x18,
319                 .luma_control  = 0x1b,
320                 .chroma_ctrl1  = 0xd1,
321                 .chroma_gain   = 0x80,
322                 .chroma_ctrl2  = 0x00,
323                 .vgate_misc    = 0x1c,
324
325         },{
326                 .name          = "PAL-M",
327                 .id            = V4L2_STD_PAL_M,
328                 NORM_525_60,
329
330                 .sync_control  = 0x59,
331                 .luma_control  = 0x40,
332                 .chroma_ctrl1  = 0xb9,
333                 .chroma_gain   = 0x2a,
334                 .chroma_ctrl2  = 0x0e,
335                 .vgate_misc    = 0x18,
336
337         },{
338                 .name          = "PAL-Nc",
339                 .id            = V4L2_STD_PAL_Nc,
340                 NORM_625_50,
341
342                 .sync_control  = 0x18,
343                 .luma_control  = 0x40,
344                 .chroma_ctrl1  = 0xa1,
345                 .chroma_gain   = 0x2a,
346                 .chroma_ctrl2  = 0x06,
347                 .vgate_misc    = 0x1c,
348
349         },{
350                 .name          = "PAL-60",
351                 .id            = V4L2_STD_PAL_60,
352
353                 .h_start       = 0,
354                 .h_stop        = 719,
355                 .video_v_start = 23,
356                 .video_v_stop  = 262,
357                 .vbi_v_start_0 = 10,
358                 .vbi_v_stop_0  = 21,
359                 .vbi_v_start_1 = 273,
360                 .src_timing    = 7,
361
362                 .sync_control  = 0x18,
363                 .luma_control  = 0x40,
364                 .chroma_ctrl1  = 0x81,
365                 .chroma_gain   = 0x2a,
366                 .chroma_ctrl2  = 0x06,
367                 .vgate_misc    = 0x1c,
368         }
369 };
370 #define TVNORMS ARRAY_SIZE(tvnorms)
371
372 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
373 {
374         unsigned int i;
375
376         for (i = 0; i < FORMATS; i++)
377                 if (formats[i].fourcc == fourcc)
378                         return formats+i;
379         return NULL;
380 }
381
382 /* ------------------------------------------------------------------ */
383
384 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
385 {
386         video_dbg("set tv norm = %s\n", norm->name);
387         dev->tvnorm = norm;
388
389         /* setup cropping */
390         dev->crop_bounds.left    = norm->h_start;
391         dev->crop_defrect.left   = norm->h_start;
392         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
393         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
394
395         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
396         dev->crop_defrect.top    = norm->video_v_start*2;
397         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
398                 - dev->crop_bounds.top;
399         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
400
401         dev->crop_current = dev->crop_defrect;
402
403         saa7134_set_tvnorm_hw(dev);
404 }
405
406 static void video_mux(struct saa7134_dev *dev, int input)
407 {
408         video_dbg("video input = %d [%s]\n",
409                   input, saa7134_input_name[card_in(dev, input).type]);
410         dev->ctl_input = input;
411         set_tvnorm(dev, dev->tvnorm);
412         saa7134_tvaudio_setinput(dev, &card_in(dev, input));
413 }
414
415
416 static void saa7134_set_decoder(struct saa7134_dev *dev)
417 {
418         int luma_control, sync_control, chroma_ctrl1, mux;
419
420         struct saa7134_tvnorm *norm = dev->tvnorm;
421         mux = card_in(dev, dev->ctl_input).vmux;
422
423         luma_control = norm->luma_control;
424         sync_control = norm->sync_control;
425         chroma_ctrl1 = norm->chroma_ctrl1;
426
427         if (mux > 5)
428                 luma_control |= 0x80; /* svideo */
429         if (noninterlaced || dev->nosignal)
430                 sync_control |= 0x20;
431
432         /* switch on auto standard detection */
433         sync_control |= SAA7134_SYNC_CTRL_AUFD;
434         chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
435         chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
436         luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
437
438         /* setup video decoder */
439         saa_writeb(SAA7134_INCR_DELAY,            0x08);
440         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
441         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
442
443         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
444         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
445         saa_writeb(SAA7134_HSYNC_START,           0xeb);
446         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
447         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
448
449         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
450         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
451         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
452
453         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
454                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
455
456         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
457                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
458
459         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
460         saa_writeb(SAA7134_CHROMA_CTRL1,          chroma_ctrl1);
461         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
462
463         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
464         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
465
466         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
467         saa_writeb(SAA7134_VGATE_START,           0x11);
468         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
469         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
470         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
471         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
472 }
473
474 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
475 {
476         saa7134_set_decoder(dev);
477
478         saa_call_all(dev, video, s_std, dev->tvnorm->id);
479         /* Set the correct norm for the saa6752hs. This function
480            does nothing if there is no saa6752hs. */
481         saa_call_empress(dev, video, s_std, dev->tvnorm->id);
482 }
483
484 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
485 {
486         static const struct {
487                 int xpsc;
488                 int xacl;
489                 int xc2_1;
490                 int xdcg;
491                 int vpfy;
492         } vals[] = {
493                 /* XPSC XACL XC2_1 XDCG VPFY */
494                 {    1,   0,    0,    0,   0 },
495                 {    2,   2,    1,    2,   2 },
496                 {    3,   4,    1,    3,   2 },
497                 {    4,   8,    1,    4,   2 },
498                 {    5,   8,    1,    4,   2 },
499                 {    6,   8,    1,    4,   3 },
500                 {    7,   8,    1,    4,   3 },
501                 {    8,  15,    0,    4,   3 },
502                 {    9,  15,    0,    4,   3 },
503                 {   10,  16,    1,    5,   3 },
504         };
505         static const int count = ARRAY_SIZE(vals);
506         int i;
507
508         for (i = 0; i < count; i++)
509                 if (vals[i].xpsc == prescale)
510                         break;
511         if (i == count)
512                 return;
513
514         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
515         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
516         saa_writeb(SAA7134_LEVEL_CTRL(task),
517                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
518         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
519                    (vals[i].vpfy << 2) | vals[i].vpfy);
520 }
521
522 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
523 {
524         int val,mirror;
525
526         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
527         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
528
529         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
530         if (yscale < 2048) {
531                 /* LPI */
532                 video_dbg("yscale LPI yscale=%d\n", yscale);
533                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
534                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
535                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
536         } else {
537                 /* ACM */
538                 val = 0x40 * 1024 / yscale;
539                 video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val);
540                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
541                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
542                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
543         }
544         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
545 }
546
547 static void set_size(struct saa7134_dev *dev, int task,
548                      int width, int height, int interlace)
549 {
550         int prescale,xscale,yscale,y_even,y_odd;
551         int h_start, h_stop, v_start, v_stop;
552         int div = interlace ? 2 : 1;
553
554         /* setup video scaler */
555         h_start = dev->crop_current.left;
556         v_start = dev->crop_current.top/2;
557         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
558         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
559
560         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
561         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
562         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
563         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
564         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
565         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
566         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
567         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
568
569         prescale = dev->crop_current.width / width;
570         if (0 == prescale)
571                 prescale = 1;
572         xscale = 1024 * dev->crop_current.width / prescale / width;
573         yscale = 512 * div * dev->crop_current.height / height;
574         video_dbg("prescale=%d xscale=%d yscale=%d\n",
575                   prescale, xscale, yscale);
576         set_h_prescale(dev,task,prescale);
577         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
578         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
579         set_v_scale(dev,task,yscale);
580
581         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
582         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
583         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
584         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
585
586         /* deinterlace y offsets */
587         y_odd  = dev->ctl_y_odd;
588         y_even = dev->ctl_y_even;
589         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
590         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
591         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
592         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
593 }
594
595 /* ------------------------------------------------------------------ */
596
597 struct cliplist {
598         __u16 position;
599         __u8  enable;
600         __u8  disable;
601 };
602
603 static void set_cliplist(struct saa7134_dev *dev, int reg,
604                         struct cliplist *cl, int entries, char *name)
605 {
606         __u8 winbits = 0;
607         int i;
608
609         for (i = 0; i < entries; i++) {
610                 winbits |= cl[i].enable;
611                 winbits &= ~cl[i].disable;
612                 if (i < 15 && cl[i].position == cl[i+1].position)
613                         continue;
614                 saa_writeb(reg + 0, winbits);
615                 saa_writeb(reg + 2, cl[i].position & 0xff);
616                 saa_writeb(reg + 3, cl[i].position >> 8);
617                 video_dbg("clip: %s winbits=%02x pos=%d\n",
618                         name,winbits,cl[i].position);
619                 reg += 8;
620         }
621         for (; reg < 0x400; reg += 8) {
622                 saa_writeb(reg+ 0, 0);
623                 saa_writeb(reg + 1, 0);
624                 saa_writeb(reg + 2, 0);
625                 saa_writeb(reg + 3, 0);
626         }
627 }
628
629 static int clip_range(int val)
630 {
631         if (val < 0)
632                 val = 0;
633         return val;
634 }
635
636 /* Sort into smallest position first order */
637 static int cliplist_cmp(const void *a, const void *b)
638 {
639         const struct cliplist *cla = a;
640         const struct cliplist *clb = b;
641         if (cla->position < clb->position)
642                 return -1;
643         if (cla->position > clb->position)
644                 return 1;
645         return 0;
646 }
647
648 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
649                           int nclips, int interlace)
650 {
651         struct cliplist col[16], row[16];
652         int cols = 0, rows = 0, i;
653         int div = interlace ? 2 : 1;
654
655         memset(col, 0, sizeof(col));
656         memset(row, 0, sizeof(row));
657         for (i = 0; i < nclips && i < 8; i++) {
658                 col[cols].position = clip_range(clips[i].c.left);
659                 col[cols].enable   = (1 << i);
660                 cols++;
661                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
662                 col[cols].disable  = (1 << i);
663                 cols++;
664                 row[rows].position = clip_range(clips[i].c.top / div);
665                 row[rows].enable   = (1 << i);
666                 rows++;
667                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
668                                                 / div);
669                 row[rows].disable  = (1 << i);
670                 rows++;
671         }
672         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
673         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
674         set_cliplist(dev,0x380,col,cols,"cols");
675         set_cliplist(dev,0x384,row,rows,"rows");
676         return 0;
677 }
678
679 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
680 {
681         enum v4l2_field field;
682         int maxw, maxh;
683
684         if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
685                 return -EINVAL;
686         if (win->w.width < 48)
687                 win->w.width = 48;
688         if (win->w.height < 32)
689                 win->w.height = 32;
690         if (win->clipcount > 8)
691                 win->clipcount = 8;
692
693         win->chromakey = 0;
694         win->global_alpha = 0;
695         field = win->field;
696         maxw  = dev->crop_current.width;
697         maxh  = dev->crop_current.height;
698
699         if (V4L2_FIELD_ANY == field) {
700                 field = (win->w.height > maxh/2)
701                         ? V4L2_FIELD_INTERLACED
702                         : V4L2_FIELD_TOP;
703         }
704         switch (field) {
705         case V4L2_FIELD_TOP:
706         case V4L2_FIELD_BOTTOM:
707                 maxh = maxh / 2;
708                 break;
709         default:
710                 field = V4L2_FIELD_INTERLACED;
711                 break;
712         }
713
714         win->field = field;
715         if (win->w.width > maxw)
716                 win->w.width = maxw;
717         if (win->w.height > maxh)
718                 win->w.height = maxh;
719         return 0;
720 }
721
722 static int start_preview(struct saa7134_dev *dev)
723 {
724         unsigned long base,control,bpl;
725         int err;
726
727         err = verify_preview(dev, &dev->win, false);
728         if (0 != err)
729                 return err;
730
731         dev->ovfield = dev->win.field;
732         video_dbg("start_preview %dx%d+%d+%d %s field=%s\n",
733                 dev->win.w.width, dev->win.w.height,
734                 dev->win.w.left, dev->win.w.top,
735                 dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
736
737         /* setup window + clipping */
738         set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
739                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
740         setup_clipping(dev, dev->clips, dev->nclips,
741                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
742         if (dev->ovfmt->yuv)
743                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
744         else
745                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
746         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
747
748         /* dma: setup channel 1 (= Video Task B) */
749         base  = (unsigned long)dev->ovbuf.base;
750         base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
751         base += dev->ovfmt->depth/8         * dev->win.w.left;
752         bpl   = dev->ovbuf.fmt.bytesperline;
753         control = SAA7134_RS_CONTROL_BURST_16;
754         if (dev->ovfmt->bswap)
755                 control |= SAA7134_RS_CONTROL_BSWAP;
756         if (dev->ovfmt->wswap)
757                 control |= SAA7134_RS_CONTROL_WSWAP;
758         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
759                 saa_writel(SAA7134_RS_BA1(1),base);
760                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
761                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
762                 saa_writel(SAA7134_RS_CONTROL(1),control);
763         } else {
764                 saa_writel(SAA7134_RS_BA1(1),base);
765                 saa_writel(SAA7134_RS_BA2(1),base);
766                 saa_writel(SAA7134_RS_PITCH(1),bpl);
767                 saa_writel(SAA7134_RS_CONTROL(1),control);
768         }
769
770         /* start dma */
771         dev->ovenable = 1;
772         saa7134_set_dmabits(dev);
773
774         return 0;
775 }
776
777 static int stop_preview(struct saa7134_dev *dev)
778 {
779         dev->ovenable = 0;
780         saa7134_set_dmabits(dev);
781         return 0;
782 }
783
784 /*
785  * Media Controller helper functions
786  */
787
788 static int saa7134_enable_analog_tuner(struct saa7134_dev *dev)
789 {
790 #ifdef CONFIG_MEDIA_CONTROLLER
791         struct media_device *mdev = dev->media_dev;
792         struct media_entity *source;
793         struct media_link *link, *found_link = NULL;
794         int ret, active_links = 0;
795
796         if (!mdev || !dev->decoder)
797                 return 0;
798
799         /*
800          * This will find the tuner that is connected into the decoder.
801          * Technically, this is not 100% correct, as the device may be
802          * using an analog input instead of the tuner. However, as we can't
803          * do DVB streaming while the DMA engine is being used for V4L2,
804          * this should be enough for the actual needs.
805          */
806         list_for_each_entry(link, &dev->decoder->links, list) {
807                 if (link->sink->entity == dev->decoder) {
808                         found_link = link;
809                         if (link->flags & MEDIA_LNK_FL_ENABLED)
810                                 active_links++;
811                         break;
812                 }
813         }
814
815         if (active_links == 1 || !found_link)
816                 return 0;
817
818         source = found_link->source->entity;
819         list_for_each_entry(link, &source->links, list) {
820                 struct media_entity *sink;
821                 int flags = 0;
822
823                 sink = link->sink->entity;
824
825                 if (sink == dev->decoder)
826                         flags = MEDIA_LNK_FL_ENABLED;
827
828                 ret = media_entity_setup_link(link, flags);
829                 if (ret) {
830                         pr_err("Couldn't change link %s->%s to %s. Error %d\n",
831                                source->name, sink->name,
832                                flags ? "enabled" : "disabled",
833                                ret);
834                         return ret;
835                 }
836         }
837 #endif
838         return 0;
839 }
840
841 /* ------------------------------------------------------------------ */
842
843 static int buffer_activate(struct saa7134_dev *dev,
844                            struct saa7134_buf *buf,
845                            struct saa7134_buf *next)
846 {
847         struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv;
848         unsigned long base,control,bpl;
849         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
850
851         video_dbg("buffer_activate buf=%p\n", buf);
852         buf->top_seen = 0;
853
854         set_size(dev, TASK_A, dev->width, dev->height,
855                  V4L2_FIELD_HAS_BOTH(dev->field));
856         if (dev->fmt->yuv)
857                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
858         else
859                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
860         saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
861
862         /* DMA: setup channel 0 (= Video Task A0) */
863         base  = saa7134_buffer_base(buf);
864         if (dev->fmt->planar)
865                 bpl = dev->width;
866         else
867                 bpl = (dev->width * dev->fmt->depth) / 8;
868         control = SAA7134_RS_CONTROL_BURST_16 |
869                 SAA7134_RS_CONTROL_ME |
870                 (dmaq->pt.dma >> 12);
871         if (dev->fmt->bswap)
872                 control |= SAA7134_RS_CONTROL_BSWAP;
873         if (dev->fmt->wswap)
874                 control |= SAA7134_RS_CONTROL_WSWAP;
875         if (V4L2_FIELD_HAS_BOTH(dev->field)) {
876                 /* interlaced */
877                 saa_writel(SAA7134_RS_BA1(0),base);
878                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
879                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
880         } else {
881                 /* non-interlaced */
882                 saa_writel(SAA7134_RS_BA1(0),base);
883                 saa_writel(SAA7134_RS_BA2(0),base);
884                 saa_writel(SAA7134_RS_PITCH(0),bpl);
885         }
886         saa_writel(SAA7134_RS_CONTROL(0),control);
887
888         if (dev->fmt->planar) {
889                 /* DMA: setup channel 4+5 (= planar task A) */
890                 bpl_uv   = bpl >> dev->fmt->hshift;
891                 lines_uv = dev->height >> dev->fmt->vshift;
892                 base2    = base + bpl * dev->height;
893                 base3    = base2 + bpl_uv * lines_uv;
894                 if (dev->fmt->uvswap)
895                         tmp = base2, base2 = base3, base3 = tmp;
896                 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
897                         bpl_uv,lines_uv,base2,base3);
898                 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
899                         /* interlaced */
900                         saa_writel(SAA7134_RS_BA1(4),base2);
901                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
902                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
903                         saa_writel(SAA7134_RS_BA1(5),base3);
904                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
905                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
906                 } else {
907                         /* non-interlaced */
908                         saa_writel(SAA7134_RS_BA1(4),base2);
909                         saa_writel(SAA7134_RS_BA2(4),base2);
910                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
911                         saa_writel(SAA7134_RS_BA1(5),base3);
912                         saa_writel(SAA7134_RS_BA2(5),base3);
913                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
914                 }
915                 saa_writel(SAA7134_RS_CONTROL(4),control);
916                 saa_writel(SAA7134_RS_CONTROL(5),control);
917         }
918
919         /* start DMA */
920         saa7134_set_dmabits(dev);
921         mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
922         return 0;
923 }
924
925 static int buffer_init(struct vb2_buffer *vb2)
926 {
927         struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
928         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
929         struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
930
931         dmaq->curr = NULL;
932         buf->activate = buffer_activate;
933         return 0;
934 }
935
936 static int buffer_prepare(struct vb2_buffer *vb2)
937 {
938         struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
939         struct saa7134_dev *dev = dmaq->dev;
940         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
941         struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
942         struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0);
943         unsigned int size;
944
945         if (dma->sgl->offset) {
946                 pr_err("The buffer is not page-aligned\n");
947                 return -EINVAL;
948         }
949         size = (dev->width * dev->height * dev->fmt->depth) >> 3;
950         if (vb2_plane_size(vb2, 0) < size)
951                 return -EINVAL;
952
953         vb2_set_plane_payload(vb2, 0, size);
954         vbuf->field = dev->field;
955
956         return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
957                                     saa7134_buffer_startpage(buf));
958 }
959
960 static int queue_setup(struct vb2_queue *q,
961                            unsigned int *nbuffers, unsigned int *nplanes,
962                            unsigned int sizes[], struct device *alloc_devs[])
963 {
964         struct saa7134_dmaqueue *dmaq = q->drv_priv;
965         struct saa7134_dev *dev = dmaq->dev;
966         int size = dev->fmt->depth * dev->width * dev->height >> 3;
967
968         if (dev->width    < 48 ||
969             dev->height   < 32 ||
970             dev->width/4  > dev->crop_current.width  ||
971             dev->height/4 > dev->crop_current.height ||
972             dev->width    > dev->crop_bounds.width  ||
973             dev->height   > dev->crop_bounds.height)
974                 return -EINVAL;
975
976         *nbuffers = saa7134_buffer_count(size, *nbuffers);
977         *nplanes = 1;
978         sizes[0] = size;
979
980         saa7134_enable_analog_tuner(dev);
981
982         return 0;
983 }
984
985 /*
986  * move buffer to hardware queue
987  */
988 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
989 {
990         struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
991         struct saa7134_dev *dev = dmaq->dev;
992         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
993         struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
994
995         saa7134_buffer_queue(dev, dmaq, buf);
996 }
997 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
998
999 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
1000 {
1001         struct saa7134_dmaqueue *dmaq = vq->drv_priv;
1002         struct saa7134_dev *dev = dmaq->dev;
1003
1004         /*
1005          * Planar video capture and TS share the same DMA channel,
1006          * so only one can be active at a time.
1007          */
1008         if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
1009             dmaq == &dev->video_q && dev->fmt->planar) {
1010                 struct saa7134_buf *buf, *tmp;
1011
1012                 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
1013                         list_del(&buf->entry);
1014                         vb2_buffer_done(&buf->vb2.vb2_buf,
1015                                         VB2_BUF_STATE_QUEUED);
1016                 }
1017                 if (dmaq->curr) {
1018                         vb2_buffer_done(&dmaq->curr->vb2.vb2_buf,
1019                                         VB2_BUF_STATE_QUEUED);
1020                         dmaq->curr = NULL;
1021                 }
1022                 return -EBUSY;
1023         }
1024
1025         /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
1026          * configured conservatively, there's 22 usec of buffering for video.
1027          * We therefore request a DMA latency of 20 usec, giving us 2 usec of
1028          * margin in case the FIFO is configured differently to the datasheet.
1029          * Unfortunately, I lack register-level documentation to check the
1030          * Linux FIFO setup and confirm the perfect value.
1031          */
1032         if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
1033             (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1034                 pm_qos_add_request(&dev->qos_request,
1035                         PM_QOS_CPU_DMA_LATENCY, 20);
1036         dmaq->seq_nr = 0;
1037
1038         return 0;
1039 }
1040
1041 void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
1042 {
1043         struct saa7134_dmaqueue *dmaq = vq->drv_priv;
1044         struct saa7134_dev *dev = dmaq->dev;
1045
1046         saa7134_stop_streaming(dev, dmaq);
1047
1048         if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
1049             (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
1050                 pm_qos_remove_request(&dev->qos_request);
1051 }
1052
1053 static const struct vb2_ops vb2_qops = {
1054         .queue_setup    = queue_setup,
1055         .buf_init       = buffer_init,
1056         .buf_prepare    = buffer_prepare,
1057         .buf_queue      = saa7134_vb2_buffer_queue,
1058         .wait_prepare   = vb2_ops_wait_prepare,
1059         .wait_finish    = vb2_ops_wait_finish,
1060         .start_streaming = saa7134_vb2_start_streaming,
1061         .stop_streaming = saa7134_vb2_stop_streaming,
1062 };
1063
1064 /* ------------------------------------------------------------------ */
1065
1066 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
1067 {
1068         struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
1069         unsigned long flags;
1070         int restart_overlay = 0;
1071
1072         switch (ctrl->id) {
1073         case V4L2_CID_BRIGHTNESS:
1074                 dev->ctl_bright = ctrl->val;
1075                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
1076                 break;
1077         case V4L2_CID_HUE:
1078                 dev->ctl_hue = ctrl->val;
1079                 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
1080                 break;
1081         case V4L2_CID_CONTRAST:
1082                 dev->ctl_contrast = ctrl->val;
1083                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1084                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1085                 break;
1086         case V4L2_CID_SATURATION:
1087                 dev->ctl_saturation = ctrl->val;
1088                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1089                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1090                 break;
1091         case V4L2_CID_AUDIO_MUTE:
1092                 dev->ctl_mute = ctrl->val;
1093                 saa7134_tvaudio_setmute(dev);
1094                 break;
1095         case V4L2_CID_AUDIO_VOLUME:
1096                 dev->ctl_volume = ctrl->val;
1097                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1098                 break;
1099         case V4L2_CID_PRIVATE_INVERT:
1100                 dev->ctl_invert = ctrl->val;
1101                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1102                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1103                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1104                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1105                 break;
1106         case V4L2_CID_HFLIP:
1107                 dev->ctl_mirror = ctrl->val;
1108                 restart_overlay = 1;
1109                 break;
1110         case V4L2_CID_PRIVATE_Y_EVEN:
1111                 dev->ctl_y_even = ctrl->val;
1112                 restart_overlay = 1;
1113                 break;
1114         case V4L2_CID_PRIVATE_Y_ODD:
1115                 dev->ctl_y_odd = ctrl->val;
1116                 restart_overlay = 1;
1117                 break;
1118         case V4L2_CID_PRIVATE_AUTOMUTE:
1119         {
1120                 struct v4l2_priv_tun_config tda9887_cfg;
1121
1122                 tda9887_cfg.tuner = TUNER_TDA9887;
1123                 tda9887_cfg.priv = &dev->tda9887_conf;
1124
1125                 dev->ctl_automute = ctrl->val;
1126                 if (dev->tda9887_conf) {
1127                         if (dev->ctl_automute)
1128                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1129                         else
1130                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1131
1132                         saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1133                 }
1134                 break;
1135         }
1136         default:
1137                 return -EINVAL;
1138         }
1139         if (restart_overlay && dev->overlay_owner) {
1140                 spin_lock_irqsave(&dev->slock, flags);
1141                 stop_preview(dev);
1142                 start_preview(dev);
1143                 spin_unlock_irqrestore(&dev->slock, flags);
1144         }
1145         return 0;
1146 }
1147
1148 /* ------------------------------------------------------------------ */
1149
1150 static int video_open(struct file *file)
1151 {
1152         struct video_device *vdev = video_devdata(file);
1153         struct saa7134_dev *dev = video_drvdata(file);
1154         int ret = v4l2_fh_open(file);
1155
1156         if (ret < 0)
1157                 return ret;
1158
1159         mutex_lock(&dev->lock);
1160         if (vdev->vfl_type == VFL_TYPE_RADIO) {
1161                 /* switch to radio mode */
1162                 saa7134_tvaudio_setinput(dev, &card(dev).radio);
1163                 saa_call_all(dev, tuner, s_radio);
1164         } else {
1165                 /* switch to video/vbi mode */
1166                 video_mux(dev, dev->ctl_input);
1167         }
1168         mutex_unlock(&dev->lock);
1169
1170         return 0;
1171 }
1172
1173 static int video_release(struct file *file)
1174 {
1175         struct video_device *vdev = video_devdata(file);
1176         struct saa7134_dev *dev = video_drvdata(file);
1177         struct v4l2_fh *fh = file->private_data;
1178         struct saa6588_command cmd;
1179         unsigned long flags;
1180
1181         mutex_lock(&dev->lock);
1182         saa7134_tvaudio_close(dev);
1183
1184         /* turn off overlay */
1185         if (fh == dev->overlay_owner) {
1186                 spin_lock_irqsave(&dev->slock,flags);
1187                 stop_preview(dev);
1188                 spin_unlock_irqrestore(&dev->slock,flags);
1189                 dev->overlay_owner = NULL;
1190         }
1191
1192         if (vdev->vfl_type == VFL_TYPE_RADIO)
1193                 v4l2_fh_release(file);
1194         else
1195                 _vb2_fop_release(file, NULL);
1196
1197         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1198         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1199         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1200         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1201         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1202
1203         saa_call_all(dev, tuner, standby);
1204         if (vdev->vfl_type == VFL_TYPE_RADIO)
1205                 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1206         mutex_unlock(&dev->lock);
1207
1208         return 0;
1209 }
1210
1211 static ssize_t radio_read(struct file *file, char __user *data,
1212                          size_t count, loff_t *ppos)
1213 {
1214         struct saa7134_dev *dev = video_drvdata(file);
1215         struct saa6588_command cmd;
1216
1217         cmd.block_count = count/3;
1218         cmd.nonblocking = file->f_flags & O_NONBLOCK;
1219         cmd.buffer = data;
1220         cmd.instance = file;
1221         cmd.result = -ENODEV;
1222
1223         mutex_lock(&dev->lock);
1224         saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1225         mutex_unlock(&dev->lock);
1226
1227         return cmd.result;
1228 }
1229
1230 static __poll_t radio_poll(struct file *file, poll_table *wait)
1231 {
1232         struct saa7134_dev *dev = video_drvdata(file);
1233         struct saa6588_command cmd;
1234         __poll_t rc = v4l2_ctrl_poll(file, wait);
1235
1236         cmd.instance = file;
1237         cmd.event_list = wait;
1238         cmd.poll_mask = 0;
1239         mutex_lock(&dev->lock);
1240         saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1241         mutex_unlock(&dev->lock);
1242
1243         return rc | cmd.poll_mask;
1244 }
1245
1246 /* ------------------------------------------------------------------ */
1247
1248 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1249                                                 struct v4l2_format *f)
1250 {
1251         struct saa7134_dev *dev = video_drvdata(file);
1252         struct saa7134_tvnorm *norm = dev->tvnorm;
1253
1254         memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1255         f->fmt.vbi.sampling_rate = 6750000 * 4;
1256         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1257         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1258         f->fmt.vbi.offset = 64 * 4;
1259         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1260         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1261         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1262         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1263         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1264
1265         return 0;
1266 }
1267
1268 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1269                                 struct v4l2_format *f)
1270 {
1271         struct saa7134_dev *dev = video_drvdata(file);
1272
1273         f->fmt.pix.width        = dev->width;
1274         f->fmt.pix.height       = dev->height;
1275         f->fmt.pix.field        = dev->field;
1276         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1277         if (dev->fmt->planar)
1278                 f->fmt.pix.bytesperline = f->fmt.pix.width;
1279         else
1280                 f->fmt.pix.bytesperline =
1281                         (f->fmt.pix.width * dev->fmt->depth) / 8;
1282         f->fmt.pix.sizeimage =
1283                 (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8;
1284         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1285         return 0;
1286 }
1287
1288 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1289                                 struct v4l2_format *f)
1290 {
1291         struct saa7134_dev *dev = video_drvdata(file);
1292         struct v4l2_clip __user *clips = f->fmt.win.clips;
1293         u32 clipcount = f->fmt.win.clipcount;
1294         int err = 0;
1295         int i;
1296
1297         if (saa7134_no_overlay > 0) {
1298                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1299                 return -EINVAL;
1300         }
1301         f->fmt.win = dev->win;
1302         f->fmt.win.clips = clips;
1303         if (clips == NULL)
1304                 clipcount = 0;
1305         if (dev->nclips < clipcount)
1306                 clipcount = dev->nclips;
1307         f->fmt.win.clipcount = clipcount;
1308
1309         for (i = 0; !err && i < clipcount; i++) {
1310                 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1311                                         sizeof(struct v4l2_rect)))
1312                         err = -EFAULT;
1313         }
1314
1315         return err;
1316 }
1317
1318 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1319                                                 struct v4l2_format *f)
1320 {
1321         struct saa7134_dev *dev = video_drvdata(file);
1322         struct saa7134_format *fmt;
1323         enum v4l2_field field;
1324         unsigned int maxw, maxh;
1325
1326         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1327         if (NULL == fmt)
1328                 return -EINVAL;
1329
1330         field = f->fmt.pix.field;
1331         maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1332         maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1333
1334         if (V4L2_FIELD_ANY == field) {
1335                 field = (f->fmt.pix.height > maxh/2)
1336                         ? V4L2_FIELD_INTERLACED
1337                         : V4L2_FIELD_BOTTOM;
1338         }
1339         switch (field) {
1340         case V4L2_FIELD_TOP:
1341         case V4L2_FIELD_BOTTOM:
1342                 maxh = maxh / 2;
1343                 break;
1344         default:
1345                 field = V4L2_FIELD_INTERLACED;
1346                 break;
1347         }
1348
1349         f->fmt.pix.field = field;
1350         if (f->fmt.pix.width  < 48)
1351                 f->fmt.pix.width  = 48;
1352         if (f->fmt.pix.height < 32)
1353                 f->fmt.pix.height = 32;
1354         if (f->fmt.pix.width > maxw)
1355                 f->fmt.pix.width = maxw;
1356         if (f->fmt.pix.height > maxh)
1357                 f->fmt.pix.height = maxh;
1358         f->fmt.pix.width &= ~0x03;
1359         if (fmt->planar)
1360                 f->fmt.pix.bytesperline = f->fmt.pix.width;
1361         else
1362                 f->fmt.pix.bytesperline =
1363                         (f->fmt.pix.width * fmt->depth) / 8;
1364         f->fmt.pix.sizeimage =
1365                 (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8;
1366         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1367
1368         return 0;
1369 }
1370
1371 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1372                                                 struct v4l2_format *f)
1373 {
1374         struct saa7134_dev *dev = video_drvdata(file);
1375
1376         if (saa7134_no_overlay > 0) {
1377                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1378                 return -EINVAL;
1379         }
1380
1381         if (f->fmt.win.clips == NULL)
1382                 f->fmt.win.clipcount = 0;
1383         return verify_preview(dev, &f->fmt.win, true);
1384 }
1385
1386 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1387                                         struct v4l2_format *f)
1388 {
1389         struct saa7134_dev *dev = video_drvdata(file);
1390         int err;
1391
1392         err = saa7134_try_fmt_vid_cap(file, priv, f);
1393         if (0 != err)
1394                 return err;
1395
1396         dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1397         dev->width = f->fmt.pix.width;
1398         dev->height = f->fmt.pix.height;
1399         dev->field = f->fmt.pix.field;
1400         return 0;
1401 }
1402
1403 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1404                                         struct v4l2_format *f)
1405 {
1406         struct saa7134_dev *dev = video_drvdata(file);
1407         int err;
1408         unsigned long flags;
1409
1410         if (saa7134_no_overlay > 0) {
1411                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1412                 return -EINVAL;
1413         }
1414         if (f->fmt.win.clips == NULL)
1415                 f->fmt.win.clipcount = 0;
1416         err = verify_preview(dev, &f->fmt.win, true);
1417         if (0 != err)
1418                 return err;
1419
1420         dev->win    = f->fmt.win;
1421         dev->nclips = f->fmt.win.clipcount;
1422
1423         if (copy_from_user(dev->clips, f->fmt.win.clips,
1424                            sizeof(struct v4l2_clip) * dev->nclips))
1425                 return -EFAULT;
1426
1427         if (priv == dev->overlay_owner) {
1428                 spin_lock_irqsave(&dev->slock, flags);
1429                 stop_preview(dev);
1430                 start_preview(dev);
1431                 spin_unlock_irqrestore(&dev->slock, flags);
1432         }
1433
1434         return 0;
1435 }
1436
1437 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1438 {
1439         struct saa7134_dev *dev = video_drvdata(file);
1440         unsigned int n;
1441
1442         n = i->index;
1443         if (n >= SAA7134_INPUT_MAX)
1444                 return -EINVAL;
1445         if (card_in(dev, i->index).type == SAA7134_NO_INPUT)
1446                 return -EINVAL;
1447         i->index = n;
1448         strscpy(i->name, saa7134_input_name[card_in(dev, n).type],
1449                 sizeof(i->name));
1450         switch (card_in(dev, n).type) {
1451         case SAA7134_INPUT_TV:
1452         case SAA7134_INPUT_TV_MONO:
1453                 i->type = V4L2_INPUT_TYPE_TUNER;
1454                 break;
1455         default:
1456                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1457                 break;
1458         }
1459         if (n == dev->ctl_input) {
1460                 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1461                 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1462
1463                 if (0 != (v1 & 0x40))
1464                         i->status |= V4L2_IN_ST_NO_H_LOCK;
1465                 if (0 != (v2 & 0x40))
1466                         i->status |= V4L2_IN_ST_NO_SIGNAL;
1467                 if (0 != (v2 & 0x0e))
1468                         i->status |= V4L2_IN_ST_MACROVISION;
1469         }
1470         i->std = SAA7134_NORMS;
1471         return 0;
1472 }
1473 EXPORT_SYMBOL_GPL(saa7134_enum_input);
1474
1475 int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1476 {
1477         struct saa7134_dev *dev = video_drvdata(file);
1478
1479         *i = dev->ctl_input;
1480         return 0;
1481 }
1482 EXPORT_SYMBOL_GPL(saa7134_g_input);
1483
1484 int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1485 {
1486         struct saa7134_dev *dev = video_drvdata(file);
1487
1488         if (i >= SAA7134_INPUT_MAX)
1489                 return -EINVAL;
1490         if (card_in(dev, i).type == SAA7134_NO_INPUT)
1491                 return -EINVAL;
1492         video_mux(dev, i);
1493         return 0;
1494 }
1495 EXPORT_SYMBOL_GPL(saa7134_s_input);
1496
1497 int saa7134_querycap(struct file *file, void *priv,
1498                                         struct v4l2_capability *cap)
1499 {
1500         struct saa7134_dev *dev = video_drvdata(file);
1501         struct video_device *vdev = video_devdata(file);
1502         u32 radio_caps, video_caps, vbi_caps;
1503
1504         unsigned int tuner_type = dev->tuner_type;
1505
1506         strscpy(cap->driver, "saa7134", sizeof(cap->driver));
1507         strscpy(cap->card, saa7134_boards[dev->board].name,
1508                 sizeof(cap->card));
1509         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1510
1511         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1512         if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1513                 cap->device_caps |= V4L2_CAP_TUNER;
1514
1515         radio_caps = V4L2_CAP_RADIO;
1516         if (dev->has_rds)
1517                 radio_caps |= V4L2_CAP_RDS_CAPTURE;
1518
1519         video_caps = V4L2_CAP_VIDEO_CAPTURE;
1520         if (saa7134_no_overlay <= 0 && !is_empress(file))
1521                 video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1522
1523         vbi_caps = V4L2_CAP_VBI_CAPTURE;
1524
1525         switch (vdev->vfl_type) {
1526         case VFL_TYPE_RADIO:
1527                 cap->device_caps |= radio_caps;
1528                 break;
1529         case VFL_TYPE_GRABBER:
1530                 cap->device_caps |= video_caps;
1531                 break;
1532         case VFL_TYPE_VBI:
1533                 cap->device_caps |= vbi_caps;
1534                 break;
1535         default:
1536                 return -EINVAL;
1537         }
1538         cap->capabilities = radio_caps | video_caps | vbi_caps |
1539                 cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1540         if (vdev->vfl_type == VFL_TYPE_RADIO) {
1541                 cap->device_caps &= ~V4L2_CAP_STREAMING;
1542                 if (!dev->has_rds)
1543                         cap->device_caps &= ~V4L2_CAP_READWRITE;
1544         }
1545
1546         return 0;
1547 }
1548 EXPORT_SYMBOL_GPL(saa7134_querycap);
1549
1550 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1551 {
1552         struct saa7134_dev *dev = video_drvdata(file);
1553         struct v4l2_fh *fh = priv;
1554         unsigned long flags;
1555         unsigned int i;
1556         v4l2_std_id fixup;
1557
1558         if (is_empress(file) && dev->overlay_owner) {
1559                 /* Don't change the std from the mpeg device
1560                    if overlay is active. */
1561                 return -EBUSY;
1562         }
1563
1564         for (i = 0; i < TVNORMS; i++)
1565                 if (id == tvnorms[i].id)
1566                         break;
1567
1568         if (i == TVNORMS)
1569                 for (i = 0; i < TVNORMS; i++)
1570                         if (id & tvnorms[i].id)
1571                                 break;
1572         if (i == TVNORMS)
1573                 return -EINVAL;
1574
1575         if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1576                 if (secam[0] == 'L' || secam[0] == 'l') {
1577                         if (secam[1] == 'C' || secam[1] == 'c')
1578                                 fixup = V4L2_STD_SECAM_LC;
1579                         else
1580                                 fixup = V4L2_STD_SECAM_L;
1581                 } else {
1582                         if (secam[0] == 'D' || secam[0] == 'd')
1583                                 fixup = V4L2_STD_SECAM_DK;
1584                         else
1585                                 fixup = V4L2_STD_SECAM;
1586                 }
1587                 for (i = 0; i < TVNORMS; i++) {
1588                         if (fixup == tvnorms[i].id)
1589                                 break;
1590                 }
1591                 if (i == TVNORMS)
1592                         return -EINVAL;
1593         }
1594
1595         id = tvnorms[i].id;
1596
1597         if (!is_empress(file) && fh == dev->overlay_owner) {
1598                 spin_lock_irqsave(&dev->slock, flags);
1599                 stop_preview(dev);
1600                 spin_unlock_irqrestore(&dev->slock, flags);
1601
1602                 set_tvnorm(dev, &tvnorms[i]);
1603
1604                 spin_lock_irqsave(&dev->slock, flags);
1605                 start_preview(dev);
1606                 spin_unlock_irqrestore(&dev->slock, flags);
1607         } else
1608                 set_tvnorm(dev, &tvnorms[i]);
1609
1610         saa7134_tvaudio_do_scan(dev);
1611         return 0;
1612 }
1613 EXPORT_SYMBOL_GPL(saa7134_s_std);
1614
1615 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1616 {
1617         struct saa7134_dev *dev = video_drvdata(file);
1618
1619         *id = dev->tvnorm->id;
1620         return 0;
1621 }
1622 EXPORT_SYMBOL_GPL(saa7134_g_std);
1623
1624 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1625 {
1626         static v4l2_std_id stds[] = {
1627                 V4L2_STD_UNKNOWN,
1628                 V4L2_STD_NTSC,
1629                 V4L2_STD_PAL,
1630                 V4L2_STD_SECAM };
1631
1632         v4l2_std_id result = 0;
1633
1634         u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1635         u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1636
1637         if (!(st2 & 0x1)) /* RDCAP == 0 */
1638                 result = V4L2_STD_UNKNOWN;
1639         else
1640                 result = stds[st1 & 0x03];
1641
1642         return result;
1643 }
1644
1645 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1646 {
1647         struct saa7134_dev *dev = video_drvdata(file);
1648         *std &= saa7134_read_std(dev);
1649         return 0;
1650 }
1651 EXPORT_SYMBOL_GPL(saa7134_querystd);
1652
1653 static int saa7134_cropcap(struct file *file, void *priv,
1654                                         struct v4l2_cropcap *cap)
1655 {
1656         struct saa7134_dev *dev = video_drvdata(file);
1657
1658         if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1659             cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1660                 return -EINVAL;
1661         cap->pixelaspect.numerator   = 1;
1662         cap->pixelaspect.denominator = 1;
1663         if (dev->tvnorm->id & V4L2_STD_525_60) {
1664                 cap->pixelaspect.numerator   = 11;
1665                 cap->pixelaspect.denominator = 10;
1666         }
1667         if (dev->tvnorm->id & V4L2_STD_625_50) {
1668                 cap->pixelaspect.numerator   = 54;
1669                 cap->pixelaspect.denominator = 59;
1670         }
1671         return 0;
1672 }
1673
1674 static int saa7134_g_selection(struct file *file, void *f, struct v4l2_selection *sel)
1675 {
1676         struct saa7134_dev *dev = video_drvdata(file);
1677
1678         if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1679             sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1680                 return -EINVAL;
1681
1682         switch (sel->target) {
1683         case V4L2_SEL_TGT_CROP:
1684                 sel->r = dev->crop_current;
1685                 break;
1686         case V4L2_SEL_TGT_CROP_DEFAULT:
1687                 sel->r = dev->crop_defrect;
1688                 break;
1689         case V4L2_SEL_TGT_CROP_BOUNDS:
1690                 sel->r  = dev->crop_bounds;
1691                 break;
1692         default:
1693                 return -EINVAL;
1694         }
1695         return 0;
1696 }
1697
1698 static int saa7134_s_selection(struct file *file, void *f, struct v4l2_selection *sel)
1699 {
1700         struct saa7134_dev *dev = video_drvdata(file);
1701         struct v4l2_rect *b = &dev->crop_bounds;
1702         struct v4l2_rect *c = &dev->crop_current;
1703
1704         if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1705             sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1706                 return -EINVAL;
1707
1708         if (sel->target != V4L2_SEL_TGT_CROP)
1709                 return -EINVAL;
1710
1711         if (dev->overlay_owner)
1712                 return -EBUSY;
1713         if (vb2_is_streaming(&dev->video_vbq))
1714                 return -EBUSY;
1715
1716         *c = sel->r;
1717         if (c->top < b->top)
1718                 c->top = b->top;
1719         if (c->top > b->top + b->height)
1720                 c->top = b->top + b->height;
1721         if (c->height > b->top - c->top + b->height)
1722                 c->height = b->top - c->top + b->height;
1723
1724         if (c->left < b->left)
1725                 c->left = b->left;
1726         if (c->left > b->left + b->width)
1727                 c->left = b->left + b->width;
1728         if (c->width > b->left - c->left + b->width)
1729                 c->width = b->left - c->left + b->width;
1730         sel->r = *c;
1731         return 0;
1732 }
1733
1734 int saa7134_g_tuner(struct file *file, void *priv,
1735                                         struct v4l2_tuner *t)
1736 {
1737         struct saa7134_dev *dev = video_drvdata(file);
1738         int n;
1739
1740         if (0 != t->index)
1741                 return -EINVAL;
1742         memset(t, 0, sizeof(*t));
1743         for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1744                 if (card_in(dev, n).type == SAA7134_INPUT_TV ||
1745                     card_in(dev, n).type == SAA7134_INPUT_TV_MONO)
1746                         break;
1747         }
1748         if (n == SAA7134_INPUT_MAX)
1749                 return -EINVAL;
1750         if (card_in(dev, n).type != SAA7134_NO_INPUT) {
1751                 strscpy(t->name, "Television", sizeof(t->name));
1752                 t->type = V4L2_TUNER_ANALOG_TV;
1753                 saa_call_all(dev, tuner, g_tuner, t);
1754                 t->capability = V4L2_TUNER_CAP_NORM |
1755                         V4L2_TUNER_CAP_STEREO |
1756                         V4L2_TUNER_CAP_LANG1 |
1757                         V4L2_TUNER_CAP_LANG2;
1758                 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1759                 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1760         }
1761         if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1762                 t->signal = 0xffff;
1763         return 0;
1764 }
1765 EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1766
1767 int saa7134_s_tuner(struct file *file, void *priv,
1768                                         const struct v4l2_tuner *t)
1769 {
1770         struct saa7134_dev *dev = video_drvdata(file);
1771         int rx, mode;
1772
1773         if (0 != t->index)
1774                 return -EINVAL;
1775
1776         mode = dev->thread.mode;
1777         if (UNSET == mode) {
1778                 rx   = saa7134_tvaudio_getstereo(dev);
1779                 mode = saa7134_tvaudio_rx2mode(rx);
1780         }
1781         if (mode != t->audmode)
1782                 dev->thread.mode = t->audmode;
1783
1784         return 0;
1785 }
1786 EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1787
1788 int saa7134_g_frequency(struct file *file, void *priv,
1789                                         struct v4l2_frequency *f)
1790 {
1791         struct saa7134_dev *dev = video_drvdata(file);
1792
1793         if (0 != f->tuner)
1794                 return -EINVAL;
1795
1796         saa_call_all(dev, tuner, g_frequency, f);
1797
1798         return 0;
1799 }
1800 EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1801
1802 int saa7134_s_frequency(struct file *file, void *priv,
1803                                         const struct v4l2_frequency *f)
1804 {
1805         struct saa7134_dev *dev = video_drvdata(file);
1806
1807         if (0 != f->tuner)
1808                 return -EINVAL;
1809
1810         saa_call_all(dev, tuner, s_frequency, f);
1811
1812         saa7134_tvaudio_do_scan(dev);
1813         return 0;
1814 }
1815 EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1816
1817 static int saa7134_enum_fmt_vid_cap(struct file *file, void  *priv,
1818                                         struct v4l2_fmtdesc *f)
1819 {
1820         if (f->index >= FORMATS)
1821                 return -EINVAL;
1822
1823         strscpy(f->description, formats[f->index].name,
1824                 sizeof(f->description));
1825
1826         f->pixelformat = formats[f->index].fourcc;
1827
1828         return 0;
1829 }
1830
1831 static int saa7134_enum_fmt_vid_overlay(struct file *file, void  *priv,
1832                                         struct v4l2_fmtdesc *f)
1833 {
1834         if (saa7134_no_overlay > 0) {
1835                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1836                 return -EINVAL;
1837         }
1838
1839         if ((f->index >= FORMATS) || formats[f->index].planar)
1840                 return -EINVAL;
1841
1842         strscpy(f->description, formats[f->index].name,
1843                 sizeof(f->description));
1844
1845         f->pixelformat = formats[f->index].fourcc;
1846
1847         return 0;
1848 }
1849
1850 static int saa7134_g_fbuf(struct file *file, void *f,
1851                                 struct v4l2_framebuffer *fb)
1852 {
1853         struct saa7134_dev *dev = video_drvdata(file);
1854
1855         *fb = dev->ovbuf;
1856         fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1857
1858         return 0;
1859 }
1860
1861 static int saa7134_s_fbuf(struct file *file, void *f,
1862                                         const struct v4l2_framebuffer *fb)
1863 {
1864         struct saa7134_dev *dev = video_drvdata(file);
1865         struct saa7134_format *fmt;
1866
1867         if (!capable(CAP_SYS_ADMIN) &&
1868            !capable(CAP_SYS_RAWIO))
1869                 return -EPERM;
1870
1871         /* check args */
1872         fmt = format_by_fourcc(fb->fmt.pixelformat);
1873         if (NULL == fmt)
1874                 return -EINVAL;
1875
1876         /* ok, accept it */
1877         dev->ovbuf = *fb;
1878         dev->ovfmt = fmt;
1879         if (0 == dev->ovbuf.fmt.bytesperline)
1880                 dev->ovbuf.fmt.bytesperline =
1881                         dev->ovbuf.fmt.width*fmt->depth/8;
1882         return 0;
1883 }
1884
1885 static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
1886 {
1887         struct saa7134_dev *dev = video_drvdata(file);
1888         unsigned long flags;
1889
1890         if (on) {
1891                 if (saa7134_no_overlay > 0) {
1892                         video_dbg("no_overlay\n");
1893                         return -EINVAL;
1894                 }
1895
1896                 if (dev->overlay_owner && priv != dev->overlay_owner)
1897                         return -EBUSY;
1898                 dev->overlay_owner = priv;
1899                 spin_lock_irqsave(&dev->slock, flags);
1900                 start_preview(dev);
1901                 spin_unlock_irqrestore(&dev->slock, flags);
1902         }
1903         if (!on) {
1904                 if (priv != dev->overlay_owner)
1905                         return -EINVAL;
1906                 spin_lock_irqsave(&dev->slock, flags);
1907                 stop_preview(dev);
1908                 spin_unlock_irqrestore(&dev->slock, flags);
1909                 dev->overlay_owner = NULL;
1910         }
1911         return 0;
1912 }
1913
1914 #ifdef CONFIG_VIDEO_ADV_DEBUG
1915 static int vidioc_g_register (struct file *file, void *priv,
1916                               struct v4l2_dbg_register *reg)
1917 {
1918         struct saa7134_dev *dev = video_drvdata(file);
1919
1920         reg->val = saa_readb(reg->reg & 0xffffff);
1921         reg->size = 1;
1922         return 0;
1923 }
1924
1925 static int vidioc_s_register (struct file *file, void *priv,
1926                                 const struct v4l2_dbg_register *reg)
1927 {
1928         struct saa7134_dev *dev = video_drvdata(file);
1929
1930         saa_writeb(reg->reg & 0xffffff, reg->val);
1931         return 0;
1932 }
1933 #endif
1934
1935 static int radio_g_tuner(struct file *file, void *priv,
1936                                         struct v4l2_tuner *t)
1937 {
1938         struct saa7134_dev *dev = video_drvdata(file);
1939
1940         if (0 != t->index)
1941                 return -EINVAL;
1942
1943         strscpy(t->name, "Radio", sizeof(t->name));
1944
1945         saa_call_all(dev, tuner, g_tuner, t);
1946         t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1947         if (dev->input->amux == TV) {
1948                 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1949                 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1950                                 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1951         }
1952         return 0;
1953 }
1954 static int radio_s_tuner(struct file *file, void *priv,
1955                                         const struct v4l2_tuner *t)
1956 {
1957         struct saa7134_dev *dev = video_drvdata(file);
1958
1959         if (0 != t->index)
1960                 return -EINVAL;
1961
1962         saa_call_all(dev, tuner, s_tuner, t);
1963         return 0;
1964 }
1965
1966 static const struct v4l2_file_operations video_fops =
1967 {
1968         .owner    = THIS_MODULE,
1969         .open     = video_open,
1970         .release  = video_release,
1971         .read     = vb2_fop_read,
1972         .poll     = vb2_fop_poll,
1973         .mmap     = vb2_fop_mmap,
1974         .unlocked_ioctl   = video_ioctl2,
1975 };
1976
1977 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1978         .vidioc_querycap                = saa7134_querycap,
1979         .vidioc_enum_fmt_vid_cap        = saa7134_enum_fmt_vid_cap,
1980         .vidioc_g_fmt_vid_cap           = saa7134_g_fmt_vid_cap,
1981         .vidioc_try_fmt_vid_cap         = saa7134_try_fmt_vid_cap,
1982         .vidioc_s_fmt_vid_cap           = saa7134_s_fmt_vid_cap,
1983         .vidioc_enum_fmt_vid_overlay    = saa7134_enum_fmt_vid_overlay,
1984         .vidioc_g_fmt_vid_overlay       = saa7134_g_fmt_vid_overlay,
1985         .vidioc_try_fmt_vid_overlay     = saa7134_try_fmt_vid_overlay,
1986         .vidioc_s_fmt_vid_overlay       = saa7134_s_fmt_vid_overlay,
1987         .vidioc_g_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1988         .vidioc_try_fmt_vbi_cap         = saa7134_try_get_set_fmt_vbi_cap,
1989         .vidioc_s_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1990         .vidioc_cropcap                 = saa7134_cropcap,
1991         .vidioc_reqbufs                 = vb2_ioctl_reqbufs,
1992         .vidioc_querybuf                = vb2_ioctl_querybuf,
1993         .vidioc_qbuf                    = vb2_ioctl_qbuf,
1994         .vidioc_dqbuf                   = vb2_ioctl_dqbuf,
1995         .vidioc_expbuf                  = vb2_ioctl_expbuf,
1996         .vidioc_s_std                   = saa7134_s_std,
1997         .vidioc_g_std                   = saa7134_g_std,
1998         .vidioc_querystd                = saa7134_querystd,
1999         .vidioc_enum_input              = saa7134_enum_input,
2000         .vidioc_g_input                 = saa7134_g_input,
2001         .vidioc_s_input                 = saa7134_s_input,
2002         .vidioc_streamon                = vb2_ioctl_streamon,
2003         .vidioc_streamoff               = vb2_ioctl_streamoff,
2004         .vidioc_g_tuner                 = saa7134_g_tuner,
2005         .vidioc_s_tuner                 = saa7134_s_tuner,
2006         .vidioc_g_selection             = saa7134_g_selection,
2007         .vidioc_s_selection             = saa7134_s_selection,
2008         .vidioc_g_fbuf                  = saa7134_g_fbuf,
2009         .vidioc_s_fbuf                  = saa7134_s_fbuf,
2010         .vidioc_overlay                 = saa7134_overlay,
2011         .vidioc_g_frequency             = saa7134_g_frequency,
2012         .vidioc_s_frequency             = saa7134_s_frequency,
2013 #ifdef CONFIG_VIDEO_ADV_DEBUG
2014         .vidioc_g_register              = vidioc_g_register,
2015         .vidioc_s_register              = vidioc_s_register,
2016 #endif
2017         .vidioc_log_status              = v4l2_ctrl_log_status,
2018         .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
2019         .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
2020 };
2021
2022 static const struct v4l2_file_operations radio_fops = {
2023         .owner    = THIS_MODULE,
2024         .open     = video_open,
2025         .read     = radio_read,
2026         .release  = video_release,
2027         .unlocked_ioctl = video_ioctl2,
2028         .poll     = radio_poll,
2029 };
2030
2031 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2032         .vidioc_querycap        = saa7134_querycap,
2033         .vidioc_g_tuner         = radio_g_tuner,
2034         .vidioc_s_tuner         = radio_s_tuner,
2035         .vidioc_g_frequency     = saa7134_g_frequency,
2036         .vidioc_s_frequency     = saa7134_s_frequency,
2037         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
2038         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
2039 };
2040
2041 /* ----------------------------------------------------------- */
2042 /* exported stuff                                              */
2043
2044 struct video_device saa7134_video_template = {
2045         .name                           = "saa7134-video",
2046         .fops                           = &video_fops,
2047         .ioctl_ops                      = &video_ioctl_ops,
2048         .tvnorms                        = SAA7134_NORMS,
2049 };
2050
2051 struct video_device saa7134_radio_template = {
2052         .name                   = "saa7134-radio",
2053         .fops                   = &radio_fops,
2054         .ioctl_ops              = &radio_ioctl_ops,
2055 };
2056
2057 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
2058         .s_ctrl = saa7134_s_ctrl,
2059 };
2060
2061 static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
2062         .ops = &saa7134_ctrl_ops,
2063         .id = V4L2_CID_PRIVATE_INVERT,
2064         .name = "Invert",
2065         .type = V4L2_CTRL_TYPE_BOOLEAN,
2066         .min = 0,
2067         .max = 1,
2068         .step = 1,
2069 };
2070
2071 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
2072         .ops = &saa7134_ctrl_ops,
2073         .id = V4L2_CID_PRIVATE_Y_ODD,
2074         .name = "Y Offset Odd Field",
2075         .type = V4L2_CTRL_TYPE_INTEGER,
2076         .min = 0,
2077         .max = 128,
2078         .step = 1,
2079 };
2080
2081 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
2082         .ops = &saa7134_ctrl_ops,
2083         .id = V4L2_CID_PRIVATE_Y_EVEN,
2084         .name = "Y Offset Even Field",
2085         .type = V4L2_CTRL_TYPE_INTEGER,
2086         .min = 0,
2087         .max = 128,
2088         .step = 1,
2089 };
2090
2091 static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
2092         .ops = &saa7134_ctrl_ops,
2093         .id = V4L2_CID_PRIVATE_AUTOMUTE,
2094         .name = "Automute",
2095         .type = V4L2_CTRL_TYPE_BOOLEAN,
2096         .min = 0,
2097         .max = 1,
2098         .step = 1,
2099         .def = 1,
2100 };
2101
2102 int saa7134_video_init1(struct saa7134_dev *dev)
2103 {
2104         struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
2105         struct vb2_queue *q;
2106         int ret;
2107
2108         /* sanitycheck insmod options */
2109         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2110                 gbuffers = 2;
2111         if (gbufsize > gbufsize_max)
2112                 gbufsize = gbufsize_max;
2113         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2114
2115         v4l2_ctrl_handler_init(hdl, 11);
2116         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2117                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2118         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2119                         V4L2_CID_CONTRAST, 0, 127, 1, 68);
2120         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2121                         V4L2_CID_SATURATION, 0, 127, 1, 64);
2122         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2123                         V4L2_CID_HUE, -128, 127, 1, 0);
2124         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2125                         V4L2_CID_HFLIP, 0, 1, 1, 0);
2126         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2127                         V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
2128         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2129                         V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
2130         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
2131         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
2132         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
2133         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
2134         if (hdl->error)
2135                 return hdl->error;
2136         if (card_has_radio(dev)) {
2137                 hdl = &dev->radio_ctrl_handler;
2138                 v4l2_ctrl_handler_init(hdl, 2);
2139                 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2140                                 v4l2_ctrl_radio_filter, false);
2141                 if (hdl->error)
2142                         return hdl->error;
2143         }
2144         dev->ctl_mute       = 1;
2145
2146         if (dev->tda9887_conf && saa7134_ctrl_automute.def)
2147                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2148         dev->automute       = 0;
2149
2150         INIT_LIST_HEAD(&dev->video_q.queue);
2151         timer_setup(&dev->video_q.timeout, saa7134_buffer_timeout, 0);
2152         dev->video_q.dev              = dev;
2153         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2154         dev->width    = 720;
2155         dev->height   = 576;
2156         dev->field = V4L2_FIELD_INTERLACED;
2157         dev->win.w.width = dev->width;
2158         dev->win.w.height = dev->height;
2159         dev->win.field = V4L2_FIELD_INTERLACED;
2160         dev->ovbuf.fmt.width = dev->width;
2161         dev->ovbuf.fmt.height = dev->height;
2162         dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2163         dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2164
2165         if (saa7134_boards[dev->board].video_out)
2166                 saa7134_videoport_init(dev);
2167
2168         q = &dev->video_vbq;
2169         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2170         /*
2171          * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
2172          * engine cannot handle transfers that do not start at the beginning
2173          * of a page. A user-provided pointer can start anywhere in a page, so
2174          * USERPTR support is a no-go unless the application knows about these
2175          * limitations and has special support for this.
2176          */
2177         q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
2178         if (saa7134_userptr)
2179                 q->io_modes |= VB2_USERPTR;
2180         q->drv_priv = &dev->video_q;
2181         q->ops = &vb2_qops;
2182         q->gfp_flags = GFP_DMA32;
2183         q->mem_ops = &vb2_dma_sg_memops;
2184         q->buf_struct_size = sizeof(struct saa7134_buf);
2185         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2186         q->lock = &dev->lock;
2187         q->dev = &dev->pci->dev;
2188         ret = vb2_queue_init(q);
2189         if (ret)
2190                 return ret;
2191         saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
2192
2193         q = &dev->vbi_vbq;
2194         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
2195         /* Don't add VB2_USERPTR, see comment above */
2196         q->io_modes = VB2_MMAP | VB2_READ;
2197         if (saa7134_userptr)
2198                 q->io_modes |= VB2_USERPTR;
2199         q->drv_priv = &dev->vbi_q;
2200         q->ops = &saa7134_vbi_qops;
2201         q->gfp_flags = GFP_DMA32;
2202         q->mem_ops = &vb2_dma_sg_memops;
2203         q->buf_struct_size = sizeof(struct saa7134_buf);
2204         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2205         q->lock = &dev->lock;
2206         q->dev = &dev->pci->dev;
2207         ret = vb2_queue_init(q);
2208         if (ret)
2209                 return ret;
2210         saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
2211
2212         return 0;
2213 }
2214
2215 void saa7134_video_fini(struct saa7134_dev *dev)
2216 {
2217         /* free stuff */
2218         vb2_queue_release(&dev->video_vbq);
2219         saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
2220         vb2_queue_release(&dev->vbi_vbq);
2221         saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
2222         v4l2_ctrl_handler_free(&dev->ctrl_handler);
2223         if (card_has_radio(dev))
2224                 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
2225 }
2226
2227 int saa7134_videoport_init(struct saa7134_dev *dev)
2228 {
2229         /* enable video output */
2230         int vo = saa7134_boards[dev->board].video_out;
2231         int video_reg;
2232         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2233
2234         /* Configure videoport */
2235         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2236         video_reg = video_out[vo][1];
2237         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2238                 video_reg &= ~VP_T_CODE_P_INVERTED;
2239         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2240         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2241         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2242         video_reg = video_out[vo][5];
2243         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2244                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2245         if (vid_port_opts & SET_CLOCK_INVERTED)
2246                 video_reg |= VP_CLK_CTRL1_INVERTED;
2247         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2248         video_reg = video_out[vo][6];
2249         if (vid_port_opts & SET_VSYNC_OFF) {
2250                 video_reg &= ~VP_VS_TYPE_MASK;
2251                 video_reg |= VP_VS_TYPE_OFF;
2252         }
2253         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2254         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2255         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2256
2257         /* Start videoport */
2258         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2259
2260         return 0;
2261 }
2262
2263 int saa7134_video_init2(struct saa7134_dev *dev)
2264 {
2265         /* init video hw */
2266         set_tvnorm(dev,&tvnorms[0]);
2267         video_mux(dev,0);
2268         v4l2_ctrl_handler_setup(&dev->ctrl_handler);
2269         saa7134_tvaudio_setmute(dev);
2270         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2271         return 0;
2272 }
2273
2274 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2275 {
2276         static const char *st[] = {
2277                 "(no signal)", "NTSC", "PAL", "SECAM" };
2278         u32 st1,st2;
2279
2280         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2281         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2282         video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n",
2283                 (st1 & 0x40) ? "not locked" : "locked",
2284                 (st2 & 0x40) ? "no"         : "yes",
2285                 st[st1 & 0x03]);
2286         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2287
2288         if (dev->nosignal) {
2289                 /* no video signal -> mute audio */
2290                 if (dev->ctl_automute)
2291                         dev->automute = 1;
2292                 saa7134_tvaudio_setmute(dev);
2293         } else {
2294                 /* wake up tvaudio audio carrier scan thread */
2295                 saa7134_tvaudio_do_scan(dev);
2296         }
2297
2298         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2299                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2300         else
2301                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2302
2303         if (dev->mops && dev->mops->signal_change)
2304                 dev->mops->signal_change(dev);
2305 }
2306
2307
2308 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2309 {
2310         enum v4l2_field field;
2311
2312         spin_lock(&dev->slock);
2313         if (dev->video_q.curr) {
2314                 field = dev->field;
2315                 if (V4L2_FIELD_HAS_BOTH(field)) {
2316                         /* make sure we have seen both fields */
2317                         if ((status & 0x10) == 0x00) {
2318                                 dev->video_q.curr->top_seen = 1;
2319                                 goto done;
2320                         }
2321                         if (!dev->video_q.curr->top_seen)
2322                                 goto done;
2323                 } else if (field == V4L2_FIELD_TOP) {
2324                         if ((status & 0x10) != 0x10)
2325                                 goto done;
2326                 } else if (field == V4L2_FIELD_BOTTOM) {
2327                         if ((status & 0x10) != 0x00)
2328                                 goto done;
2329                 }
2330                 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
2331         }
2332         saa7134_buffer_next(dev, &dev->video_q);
2333
2334  done:
2335         spin_unlock(&dev->slock);
2336 }