GNU Linux-libre 6.7.9-gnu
[releases.git] / drivers / media / pci / saa7134 / saa7134-video.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *
4  * device driver for philips saa7134 based TV cards
5  * video4linux video interface
6  *
7  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8  */
9
10 #include "saa7134.h"
11 #include "saa7134-reg.h"
12
13 #include <linux/init.h>
14 #include <linux/list.h>
15 #include <linux/module.h>
16 #include <linux/kernel.h>
17 #include <linux/slab.h>
18 #include <linux/sort.h>
19
20 #include <media/v4l2-common.h>
21 #include <media/v4l2-event.h>
22 #include <media/i2c/saa6588.h>
23
24 /* ------------------------------------------------------------------ */
25
26 unsigned int video_debug;
27 static unsigned int gbuffers      = 8;
28 static unsigned int noninterlaced; /* 0 */
29 static unsigned int gbufsize      = 720*576*4;
30 static unsigned int gbufsize_max  = 720*576*4;
31 static char secam[] = "--";
32 module_param(video_debug, int, 0644);
33 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
34 module_param(gbuffers, int, 0444);
35 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
36 module_param(noninterlaced, int, 0644);
37 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
38 module_param_string(secam, secam, sizeof(secam), 0644);
39 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
40
41
42 #define video_dbg(fmt, arg...) do { \
43         if (video_debug & 0x04) \
44                 printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \
45         } while (0)
46
47 /* ------------------------------------------------------------------ */
48 /* Defines for Video Output Port Register at address 0x191            */
49
50 /* Bit 0: VIP code T bit polarity */
51
52 #define VP_T_CODE_P_NON_INVERTED        0x00
53 #define VP_T_CODE_P_INVERTED            0x01
54
55 /* ------------------------------------------------------------------ */
56 /* Defines for Video Output Port Register at address 0x195            */
57
58 /* Bit 2: Video output clock delay control */
59
60 #define VP_CLK_CTRL2_NOT_DELAYED        0x00
61 #define VP_CLK_CTRL2_DELAYED            0x04
62
63 /* Bit 1: Video output clock invert control */
64
65 #define VP_CLK_CTRL1_NON_INVERTED       0x00
66 #define VP_CLK_CTRL1_INVERTED           0x02
67
68 /* ------------------------------------------------------------------ */
69 /* Defines for Video Output Port Register at address 0x196            */
70
71 /* Bits 2 to 0: VSYNC pin video vertical sync type */
72
73 #define VP_VS_TYPE_MASK                 0x07
74
75 #define VP_VS_TYPE_OFF                  0x00
76 #define VP_VS_TYPE_V123                 0x01
77 #define VP_VS_TYPE_V_ITU                0x02
78 #define VP_VS_TYPE_VGATE_L              0x03
79 #define VP_VS_TYPE_RESERVED1            0x04
80 #define VP_VS_TYPE_RESERVED2            0x05
81 #define VP_VS_TYPE_F_ITU                0x06
82 #define VP_VS_TYPE_SC_FID               0x07
83
84 /* ------------------------------------------------------------------ */
85 /* data structs for video                                             */
86
87 static int video_out[][9] = {
88         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
89 };
90
91 static struct saa7134_format formats[] = {
92         {
93                 .fourcc   = V4L2_PIX_FMT_GREY,
94                 .depth    = 8,
95                 .pm       = 0x06,
96         },{
97                 .fourcc   = V4L2_PIX_FMT_RGB555,
98                 .depth    = 16,
99                 .pm       = 0x13 | 0x80,
100         },{
101                 .fourcc   = V4L2_PIX_FMT_RGB555X,
102                 .depth    = 16,
103                 .pm       = 0x13 | 0x80,
104                 .bswap    = 1,
105         },{
106                 .fourcc   = V4L2_PIX_FMT_RGB565,
107                 .depth    = 16,
108                 .pm       = 0x10 | 0x80,
109         },{
110                 .fourcc   = V4L2_PIX_FMT_RGB565X,
111                 .depth    = 16,
112                 .pm       = 0x10 | 0x80,
113                 .bswap    = 1,
114         },{
115                 .fourcc   = V4L2_PIX_FMT_BGR24,
116                 .depth    = 24,
117                 .pm       = 0x11,
118         },{
119                 .fourcc   = V4L2_PIX_FMT_RGB24,
120                 .depth    = 24,
121                 .pm       = 0x11,
122                 .bswap    = 1,
123         },{
124                 .fourcc   = V4L2_PIX_FMT_BGR32,
125                 .depth    = 32,
126                 .pm       = 0x12,
127         },{
128                 .fourcc   = V4L2_PIX_FMT_RGB32,
129                 .depth    = 32,
130                 .pm       = 0x12,
131                 .bswap    = 1,
132                 .wswap    = 1,
133         },{
134                 .fourcc   = V4L2_PIX_FMT_YUYV,
135                 .depth    = 16,
136                 .pm       = 0x00,
137                 .bswap    = 1,
138                 .yuv      = 1,
139         },{
140                 .fourcc   = V4L2_PIX_FMT_UYVY,
141                 .depth    = 16,
142                 .pm       = 0x00,
143                 .yuv      = 1,
144         },{
145                 .fourcc   = V4L2_PIX_FMT_YUV422P,
146                 .depth    = 16,
147                 .pm       = 0x09,
148                 .yuv      = 1,
149                 .planar   = 1,
150                 .hshift   = 1,
151                 .vshift   = 0,
152         },{
153                 .fourcc   = V4L2_PIX_FMT_YUV420,
154                 .depth    = 12,
155                 .pm       = 0x0a,
156                 .yuv      = 1,
157                 .planar   = 1,
158                 .hshift   = 1,
159                 .vshift   = 1,
160         },{
161                 .fourcc   = V4L2_PIX_FMT_YVU420,
162                 .depth    = 12,
163                 .pm       = 0x0a,
164                 .yuv      = 1,
165                 .planar   = 1,
166                 .uvswap   = 1,
167                 .hshift   = 1,
168                 .vshift   = 1,
169         }
170 };
171 #define FORMATS ARRAY_SIZE(formats)
172
173 #define NORM_625_50                     \
174                 .h_start       = 0,     \
175                 .h_stop        = 719,   \
176                 .video_v_start = 24,    \
177                 .video_v_stop  = 311,   \
178                 .vbi_v_start_0 = 7,     \
179                 .vbi_v_stop_0  = 23,    \
180                 .vbi_v_start_1 = 319,   \
181                 .src_timing    = 4
182
183 #define NORM_525_60                     \
184                 .h_start       = 0,     \
185                 .h_stop        = 719,   \
186                 .video_v_start = 23,    \
187                 .video_v_stop  = 262,   \
188                 .vbi_v_start_0 = 10,    \
189                 .vbi_v_stop_0  = 21,    \
190                 .vbi_v_start_1 = 273,   \
191                 .src_timing    = 7
192
193 static struct saa7134_tvnorm tvnorms[] = {
194         {
195                 .name          = "PAL", /* autodetect */
196                 .id            = V4L2_STD_PAL,
197                 NORM_625_50,
198
199                 .sync_control  = 0x18,
200                 .luma_control  = 0x40,
201                 .chroma_ctrl1  = 0x81,
202                 .chroma_gain   = 0x2a,
203                 .chroma_ctrl2  = 0x06,
204                 .vgate_misc    = 0x1c,
205
206         },{
207                 .name          = "PAL-BG",
208                 .id            = V4L2_STD_PAL_BG,
209                 NORM_625_50,
210
211                 .sync_control  = 0x18,
212                 .luma_control  = 0x40,
213                 .chroma_ctrl1  = 0x81,
214                 .chroma_gain   = 0x2a,
215                 .chroma_ctrl2  = 0x06,
216                 .vgate_misc    = 0x1c,
217
218         },{
219                 .name          = "PAL-I",
220                 .id            = V4L2_STD_PAL_I,
221                 NORM_625_50,
222
223                 .sync_control  = 0x18,
224                 .luma_control  = 0x40,
225                 .chroma_ctrl1  = 0x81,
226                 .chroma_gain   = 0x2a,
227                 .chroma_ctrl2  = 0x06,
228                 .vgate_misc    = 0x1c,
229
230         },{
231                 .name          = "PAL-DK",
232                 .id            = V4L2_STD_PAL_DK,
233                 NORM_625_50,
234
235                 .sync_control  = 0x18,
236                 .luma_control  = 0x40,
237                 .chroma_ctrl1  = 0x81,
238                 .chroma_gain   = 0x2a,
239                 .chroma_ctrl2  = 0x06,
240                 .vgate_misc    = 0x1c,
241
242         },{
243                 .name          = "NTSC",
244                 .id            = V4L2_STD_NTSC,
245                 NORM_525_60,
246
247                 .sync_control  = 0x59,
248                 .luma_control  = 0x40,
249                 .chroma_ctrl1  = 0x89,
250                 .chroma_gain   = 0x2a,
251                 .chroma_ctrl2  = 0x0e,
252                 .vgate_misc    = 0x18,
253
254         },{
255                 .name          = "SECAM",
256                 .id            = V4L2_STD_SECAM,
257                 NORM_625_50,
258
259                 .sync_control  = 0x18,
260                 .luma_control  = 0x1b,
261                 .chroma_ctrl1  = 0xd1,
262                 .chroma_gain   = 0x80,
263                 .chroma_ctrl2  = 0x00,
264                 .vgate_misc    = 0x1c,
265
266         },{
267                 .name          = "SECAM-DK",
268                 .id            = V4L2_STD_SECAM_DK,
269                 NORM_625_50,
270
271                 .sync_control  = 0x18,
272                 .luma_control  = 0x1b,
273                 .chroma_ctrl1  = 0xd1,
274                 .chroma_gain   = 0x80,
275                 .chroma_ctrl2  = 0x00,
276                 .vgate_misc    = 0x1c,
277
278         },{
279                 .name          = "SECAM-L",
280                 .id            = V4L2_STD_SECAM_L,
281                 NORM_625_50,
282
283                 .sync_control  = 0x18,
284                 .luma_control  = 0x1b,
285                 .chroma_ctrl1  = 0xd1,
286                 .chroma_gain   = 0x80,
287                 .chroma_ctrl2  = 0x00,
288                 .vgate_misc    = 0x1c,
289
290         },{
291                 .name          = "SECAM-Lc",
292                 .id            = V4L2_STD_SECAM_LC,
293                 NORM_625_50,
294
295                 .sync_control  = 0x18,
296                 .luma_control  = 0x1b,
297                 .chroma_ctrl1  = 0xd1,
298                 .chroma_gain   = 0x80,
299                 .chroma_ctrl2  = 0x00,
300                 .vgate_misc    = 0x1c,
301
302         },{
303                 .name          = "PAL-M",
304                 .id            = V4L2_STD_PAL_M,
305                 NORM_525_60,
306
307                 .sync_control  = 0x59,
308                 .luma_control  = 0x40,
309                 .chroma_ctrl1  = 0xb9,
310                 .chroma_gain   = 0x2a,
311                 .chroma_ctrl2  = 0x0e,
312                 .vgate_misc    = 0x18,
313
314         },{
315                 .name          = "PAL-Nc",
316                 .id            = V4L2_STD_PAL_Nc,
317                 NORM_625_50,
318
319                 .sync_control  = 0x18,
320                 .luma_control  = 0x40,
321                 .chroma_ctrl1  = 0xa1,
322                 .chroma_gain   = 0x2a,
323                 .chroma_ctrl2  = 0x06,
324                 .vgate_misc    = 0x1c,
325
326         },{
327                 .name          = "PAL-60",
328                 .id            = V4L2_STD_PAL_60,
329
330                 .h_start       = 0,
331                 .h_stop        = 719,
332                 .video_v_start = 23,
333                 .video_v_stop  = 262,
334                 .vbi_v_start_0 = 10,
335                 .vbi_v_stop_0  = 21,
336                 .vbi_v_start_1 = 273,
337                 .src_timing    = 7,
338
339                 .sync_control  = 0x18,
340                 .luma_control  = 0x40,
341                 .chroma_ctrl1  = 0x81,
342                 .chroma_gain   = 0x2a,
343                 .chroma_ctrl2  = 0x06,
344                 .vgate_misc    = 0x1c,
345         }
346 };
347 #define TVNORMS ARRAY_SIZE(tvnorms)
348
349 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
350 {
351         unsigned int i;
352
353         for (i = 0; i < FORMATS; i++)
354                 if (formats[i].fourcc == fourcc)
355                         return formats+i;
356         return NULL;
357 }
358
359 /* ------------------------------------------------------------------ */
360
361 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
362 {
363         video_dbg("set tv norm = %s\n", norm->name);
364         dev->tvnorm = norm;
365
366         /* setup cropping */
367         dev->crop_bounds.left    = norm->h_start;
368         dev->crop_defrect.left   = norm->h_start;
369         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
370         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
371
372         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
373         dev->crop_defrect.top    = norm->video_v_start*2;
374         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
375                 - dev->crop_bounds.top;
376         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
377
378         dev->crop_current = dev->crop_defrect;
379
380         saa7134_set_tvnorm_hw(dev);
381 }
382
383 static void video_mux(struct saa7134_dev *dev, int input)
384 {
385         video_dbg("video input = %d [%s]\n",
386                   input, saa7134_input_name[card_in(dev, input).type]);
387         dev->ctl_input = input;
388         set_tvnorm(dev, dev->tvnorm);
389         saa7134_tvaudio_setinput(dev, &card_in(dev, input));
390 }
391
392
393 static void saa7134_set_decoder(struct saa7134_dev *dev)
394 {
395         int luma_control, sync_control, chroma_ctrl1, mux;
396
397         struct saa7134_tvnorm *norm = dev->tvnorm;
398         mux = card_in(dev, dev->ctl_input).vmux;
399
400         luma_control = norm->luma_control;
401         sync_control = norm->sync_control;
402         chroma_ctrl1 = norm->chroma_ctrl1;
403
404         if (mux > 5)
405                 luma_control |= 0x80; /* svideo */
406         if (noninterlaced || dev->nosignal)
407                 sync_control |= 0x20;
408
409         /* switch on auto standard detection */
410         sync_control |= SAA7134_SYNC_CTRL_AUFD;
411         chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
412         chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
413         luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
414
415         /* setup video decoder */
416         saa_writeb(SAA7134_INCR_DELAY,            0x08);
417         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
418         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
419
420         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
421         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
422         saa_writeb(SAA7134_HSYNC_START,           0xeb);
423         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
424         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
425
426         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
427         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
428         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
429
430         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
431                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
432
433         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
434                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
435
436         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
437         saa_writeb(SAA7134_CHROMA_CTRL1,          chroma_ctrl1);
438         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
439
440         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
441         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
442
443         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
444         saa_writeb(SAA7134_VGATE_START,           0x11);
445         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
446         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
447         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
448         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
449 }
450
451 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
452 {
453         saa7134_set_decoder(dev);
454
455         saa_call_all(dev, video, s_std, dev->tvnorm->id);
456         /* Set the correct norm for the saa6752hs. This function
457            does nothing if there is no saa6752hs. */
458         saa_call_empress(dev, video, s_std, dev->tvnorm->id);
459 }
460
461 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
462 {
463         static const struct {
464                 int xpsc;
465                 int xacl;
466                 int xc2_1;
467                 int xdcg;
468                 int vpfy;
469         } vals[] = {
470                 /* XPSC XACL XC2_1 XDCG VPFY */
471                 {    1,   0,    0,    0,   0 },
472                 {    2,   2,    1,    2,   2 },
473                 {    3,   4,    1,    3,   2 },
474                 {    4,   8,    1,    4,   2 },
475                 {    5,   8,    1,    4,   2 },
476                 {    6,   8,    1,    4,   3 },
477                 {    7,   8,    1,    4,   3 },
478                 {    8,  15,    0,    4,   3 },
479                 {    9,  15,    0,    4,   3 },
480                 {   10,  16,    1,    5,   3 },
481         };
482         static const int count = ARRAY_SIZE(vals);
483         int i;
484
485         for (i = 0; i < count; i++)
486                 if (vals[i].xpsc == prescale)
487                         break;
488         if (i == count)
489                 return;
490
491         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
492         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
493         saa_writeb(SAA7134_LEVEL_CTRL(task),
494                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
495         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
496                    (vals[i].vpfy << 2) | vals[i].vpfy);
497 }
498
499 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
500 {
501         int val,mirror;
502
503         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
504         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
505
506         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
507         if (yscale < 2048) {
508                 /* LPI */
509                 video_dbg("yscale LPI yscale=%d\n", yscale);
510                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
511                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
512                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
513         } else {
514                 /* ACM */
515                 val = 0x40 * 1024 / yscale;
516                 video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val);
517                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
518                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
519                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
520         }
521         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
522 }
523
524 static void set_size(struct saa7134_dev *dev, int task,
525                      int width, int height, int interlace)
526 {
527         int prescale,xscale,yscale,y_even,y_odd;
528         int h_start, h_stop, v_start, v_stop;
529         int div = interlace ? 2 : 1;
530
531         /* setup video scaler */
532         h_start = dev->crop_current.left;
533         v_start = dev->crop_current.top/2;
534         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
535         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
536
537         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
538         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
539         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
540         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
541         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
542         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
543         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
544         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
545
546         prescale = dev->crop_current.width / width;
547         if (0 == prescale)
548                 prescale = 1;
549         xscale = 1024 * dev->crop_current.width / prescale / width;
550         yscale = 512 * div * dev->crop_current.height / height;
551         video_dbg("prescale=%d xscale=%d yscale=%d\n",
552                   prescale, xscale, yscale);
553         set_h_prescale(dev,task,prescale);
554         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
555         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
556         set_v_scale(dev,task,yscale);
557
558         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
559         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
560         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
561         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
562
563         /* deinterlace y offsets */
564         y_odd  = dev->ctl_y_odd;
565         y_even = dev->ctl_y_even;
566         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
567         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
568         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
569         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
570 }
571
572 /* ------------------------------------------------------------------ */
573
574 /*
575  * Media Controller helper functions
576  */
577
578 static int saa7134_enable_analog_tuner(struct saa7134_dev *dev)
579 {
580 #ifdef CONFIG_MEDIA_CONTROLLER
581         struct media_device *mdev = dev->media_dev;
582         struct media_entity *source;
583         struct media_link *link, *found_link = NULL;
584         int ret, active_links = 0;
585
586         if (!mdev || !dev->decoder)
587                 return 0;
588
589         /*
590          * This will find the tuner that is connected into the decoder.
591          * Technically, this is not 100% correct, as the device may be
592          * using an analog input instead of the tuner. However, as we can't
593          * do DVB streaming while the DMA engine is being used for V4L2,
594          * this should be enough for the actual needs.
595          */
596         list_for_each_entry(link, &dev->decoder->links, list) {
597                 if (link->sink->entity == dev->decoder) {
598                         found_link = link;
599                         if (link->flags & MEDIA_LNK_FL_ENABLED)
600                                 active_links++;
601                         break;
602                 }
603         }
604
605         if (active_links == 1 || !found_link)
606                 return 0;
607
608         source = found_link->source->entity;
609         list_for_each_entry(link, &source->links, list) {
610                 struct media_entity *sink;
611                 int flags = 0;
612
613                 sink = link->sink->entity;
614
615                 if (sink == dev->decoder)
616                         flags = MEDIA_LNK_FL_ENABLED;
617
618                 ret = media_entity_setup_link(link, flags);
619                 if (ret) {
620                         pr_err("Couldn't change link %s->%s to %s. Error %d\n",
621                                source->name, sink->name,
622                                flags ? "enabled" : "disabled",
623                                ret);
624                         return ret;
625                 }
626         }
627 #endif
628         return 0;
629 }
630
631 /* ------------------------------------------------------------------ */
632
633 static int buffer_activate(struct saa7134_dev *dev,
634                            struct saa7134_buf *buf,
635                            struct saa7134_buf *next)
636 {
637         struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_buf.vb2_queue->drv_priv;
638         unsigned long base,control,bpl;
639         unsigned long bpl_uv, lines_uv, base2, base3; /* planar */
640
641         video_dbg("buffer_activate buf=%p\n", buf);
642         buf->top_seen = 0;
643
644         set_size(dev, TASK_A, dev->width, dev->height,
645                  V4L2_FIELD_HAS_BOTH(dev->field));
646         if (dev->fmt->yuv)
647                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
648         else
649                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
650         saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
651
652         /* DMA: setup channel 0 (= Video Task A0) */
653         base  = saa7134_buffer_base(buf);
654         if (dev->fmt->planar)
655                 bpl = dev->width;
656         else
657                 bpl = (dev->width * dev->fmt->depth) / 8;
658         control = SAA7134_RS_CONTROL_BURST_16 |
659                 SAA7134_RS_CONTROL_ME |
660                 (dmaq->pt.dma >> 12);
661         if (dev->fmt->bswap)
662                 control |= SAA7134_RS_CONTROL_BSWAP;
663         if (dev->fmt->wswap)
664                 control |= SAA7134_RS_CONTROL_WSWAP;
665         if (V4L2_FIELD_HAS_BOTH(dev->field)) {
666                 /* interlaced */
667                 saa_writel(SAA7134_RS_BA1(0),base);
668                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
669                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
670         } else {
671                 /* non-interlaced */
672                 saa_writel(SAA7134_RS_BA1(0),base);
673                 saa_writel(SAA7134_RS_BA2(0),base);
674                 saa_writel(SAA7134_RS_PITCH(0),bpl);
675         }
676         saa_writel(SAA7134_RS_CONTROL(0),control);
677
678         if (dev->fmt->planar) {
679                 /* DMA: setup channel 4+5 (= planar task A) */
680                 bpl_uv   = bpl >> dev->fmt->hshift;
681                 lines_uv = dev->height >> dev->fmt->vshift;
682                 base2    = base + bpl * dev->height;
683                 base3    = base2 + bpl_uv * lines_uv;
684                 if (dev->fmt->uvswap)
685                         swap(base2, base3);
686                 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
687                         bpl_uv,lines_uv,base2,base3);
688                 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
689                         /* interlaced */
690                         saa_writel(SAA7134_RS_BA1(4),base2);
691                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
692                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
693                         saa_writel(SAA7134_RS_BA1(5),base3);
694                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
695                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
696                 } else {
697                         /* non-interlaced */
698                         saa_writel(SAA7134_RS_BA1(4),base2);
699                         saa_writel(SAA7134_RS_BA2(4),base2);
700                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
701                         saa_writel(SAA7134_RS_BA1(5),base3);
702                         saa_writel(SAA7134_RS_BA2(5),base3);
703                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
704                 }
705                 saa_writel(SAA7134_RS_CONTROL(4),control);
706                 saa_writel(SAA7134_RS_CONTROL(5),control);
707         }
708
709         /* start DMA */
710         saa7134_set_dmabits(dev);
711         mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
712         return 0;
713 }
714
715 static int buffer_init(struct vb2_buffer *vb2)
716 {
717         struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
718         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
719         struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
720
721         dmaq->curr = NULL;
722         buf->activate = buffer_activate;
723         return 0;
724 }
725
726 static int buffer_prepare(struct vb2_buffer *vb2)
727 {
728         struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
729         struct saa7134_dev *dev = dmaq->dev;
730         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
731         struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
732         struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0);
733         unsigned int size;
734
735         if (dma->sgl->offset) {
736                 pr_err("The buffer is not page-aligned\n");
737                 return -EINVAL;
738         }
739         size = (dev->width * dev->height * dev->fmt->depth) >> 3;
740         if (vb2_plane_size(vb2, 0) < size)
741                 return -EINVAL;
742
743         vb2_set_plane_payload(vb2, 0, size);
744         vbuf->field = dev->field;
745
746         return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
747                                     saa7134_buffer_startpage(buf));
748 }
749
750 static int queue_setup(struct vb2_queue *q,
751                            unsigned int *nbuffers, unsigned int *nplanes,
752                            unsigned int sizes[], struct device *alloc_devs[])
753 {
754         struct saa7134_dmaqueue *dmaq = q->drv_priv;
755         struct saa7134_dev *dev = dmaq->dev;
756         int size = dev->fmt->depth * dev->width * dev->height >> 3;
757
758         if (dev->width    < 48 ||
759             dev->height   < 32 ||
760             dev->width/4  > dev->crop_current.width  ||
761             dev->height/4 > dev->crop_current.height ||
762             dev->width    > dev->crop_bounds.width  ||
763             dev->height   > dev->crop_bounds.height)
764                 return -EINVAL;
765
766         *nbuffers = saa7134_buffer_count(size, *nbuffers);
767         *nplanes = 1;
768         sizes[0] = size;
769
770         saa7134_enable_analog_tuner(dev);
771
772         return 0;
773 }
774
775 /*
776  * move buffer to hardware queue
777  */
778 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
779 {
780         struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
781         struct saa7134_dev *dev = dmaq->dev;
782         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
783         struct saa7134_buf *buf = container_of(vbuf, struct saa7134_buf, vb2);
784
785         saa7134_buffer_queue(dev, dmaq, buf);
786 }
787 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
788
789 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
790 {
791         struct saa7134_dmaqueue *dmaq = vq->drv_priv;
792         struct saa7134_dev *dev = dmaq->dev;
793
794         /*
795          * Planar video capture and TS share the same DMA channel,
796          * so only one can be active at a time.
797          */
798         if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
799             dmaq == &dev->video_q && dev->fmt->planar) {
800                 struct saa7134_buf *buf, *tmp;
801
802                 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
803                         list_del(&buf->entry);
804                         vb2_buffer_done(&buf->vb2.vb2_buf,
805                                         VB2_BUF_STATE_QUEUED);
806                 }
807                 if (dmaq->curr) {
808                         vb2_buffer_done(&dmaq->curr->vb2.vb2_buf,
809                                         VB2_BUF_STATE_QUEUED);
810                         dmaq->curr = NULL;
811                 }
812                 return -EBUSY;
813         }
814
815         /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
816          * configured conservatively, there's 22 usec of buffering for video.
817          * We therefore request a DMA latency of 20 usec, giving us 2 usec of
818          * margin in case the FIFO is configured differently to the datasheet.
819          * Unfortunately, I lack register-level documentation to check the
820          * Linux FIFO setup and confirm the perfect value.
821          */
822         if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
823             (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
824                 cpu_latency_qos_add_request(&dev->qos_request, 20);
825         dmaq->seq_nr = 0;
826
827         return 0;
828 }
829
830 void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
831 {
832         struct saa7134_dmaqueue *dmaq = vq->drv_priv;
833         struct saa7134_dev *dev = dmaq->dev;
834
835         saa7134_stop_streaming(dev, dmaq);
836
837         if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
838             (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
839                 cpu_latency_qos_remove_request(&dev->qos_request);
840 }
841
842 static const struct vb2_ops vb2_qops = {
843         .queue_setup    = queue_setup,
844         .buf_init       = buffer_init,
845         .buf_prepare    = buffer_prepare,
846         .buf_queue      = saa7134_vb2_buffer_queue,
847         .wait_prepare   = vb2_ops_wait_prepare,
848         .wait_finish    = vb2_ops_wait_finish,
849         .start_streaming = saa7134_vb2_start_streaming,
850         .stop_streaming = saa7134_vb2_stop_streaming,
851 };
852
853 /* ------------------------------------------------------------------ */
854
855 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
856 {
857         struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
858
859         switch (ctrl->id) {
860         case V4L2_CID_BRIGHTNESS:
861                 dev->ctl_bright = ctrl->val;
862                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
863                 break;
864         case V4L2_CID_HUE:
865                 dev->ctl_hue = ctrl->val;
866                 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
867                 break;
868         case V4L2_CID_CONTRAST:
869                 dev->ctl_contrast = ctrl->val;
870                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
871                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
872                 break;
873         case V4L2_CID_SATURATION:
874                 dev->ctl_saturation = ctrl->val;
875                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
876                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
877                 break;
878         case V4L2_CID_AUDIO_MUTE:
879                 dev->ctl_mute = ctrl->val;
880                 saa7134_tvaudio_setmute(dev);
881                 break;
882         case V4L2_CID_AUDIO_VOLUME:
883                 dev->ctl_volume = ctrl->val;
884                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
885                 break;
886         case V4L2_CID_PRIVATE_INVERT:
887                 dev->ctl_invert = ctrl->val;
888                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
889                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
890                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
891                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
892                 break;
893         case V4L2_CID_HFLIP:
894                 dev->ctl_mirror = ctrl->val;
895                 break;
896         case V4L2_CID_PRIVATE_Y_EVEN:
897                 dev->ctl_y_even = ctrl->val;
898                 break;
899         case V4L2_CID_PRIVATE_Y_ODD:
900                 dev->ctl_y_odd = ctrl->val;
901                 break;
902         case V4L2_CID_PRIVATE_AUTOMUTE:
903         {
904                 struct v4l2_priv_tun_config tda9887_cfg;
905
906                 tda9887_cfg.tuner = TUNER_TDA9887;
907                 tda9887_cfg.priv = &dev->tda9887_conf;
908
909                 dev->ctl_automute = ctrl->val;
910                 if (dev->tda9887_conf) {
911                         if (dev->ctl_automute)
912                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
913                         else
914                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
915
916                         saa_call_all(dev, tuner, s_config, &tda9887_cfg);
917                 }
918                 break;
919         }
920         default:
921                 return -EINVAL;
922         }
923         return 0;
924 }
925
926 /* ------------------------------------------------------------------ */
927
928 static int video_open(struct file *file)
929 {
930         struct video_device *vdev = video_devdata(file);
931         struct saa7134_dev *dev = video_drvdata(file);
932         int ret = v4l2_fh_open(file);
933
934         if (ret < 0)
935                 return ret;
936
937         mutex_lock(&dev->lock);
938         if (vdev->vfl_type == VFL_TYPE_RADIO) {
939                 /* switch to radio mode */
940                 saa7134_tvaudio_setinput(dev, &card(dev).radio);
941                 saa_call_all(dev, tuner, s_radio);
942         } else {
943                 /* switch to video/vbi mode */
944                 video_mux(dev, dev->ctl_input);
945         }
946         mutex_unlock(&dev->lock);
947
948         return 0;
949 }
950
951 static int video_release(struct file *file)
952 {
953         struct video_device *vdev = video_devdata(file);
954         struct saa7134_dev *dev = video_drvdata(file);
955         struct saa6588_command cmd;
956
957         mutex_lock(&dev->lock);
958         saa7134_tvaudio_close(dev);
959
960         if (vdev->vfl_type == VFL_TYPE_RADIO)
961                 v4l2_fh_release(file);
962         else
963                 _vb2_fop_release(file, NULL);
964
965         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
966         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
967         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
968         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
969         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
970
971         saa_call_all(dev, tuner, standby);
972         if (vdev->vfl_type == VFL_TYPE_RADIO)
973                 saa_call_all(dev, core, command, SAA6588_CMD_CLOSE, &cmd);
974         mutex_unlock(&dev->lock);
975
976         return 0;
977 }
978
979 static ssize_t radio_read(struct file *file, char __user *data,
980                          size_t count, loff_t *ppos)
981 {
982         struct saa7134_dev *dev = video_drvdata(file);
983         struct saa6588_command cmd;
984
985         cmd.block_count = count/3;
986         cmd.nonblocking = file->f_flags & O_NONBLOCK;
987         cmd.buffer = data;
988         cmd.instance = file;
989         cmd.result = -ENODEV;
990
991         mutex_lock(&dev->lock);
992         saa_call_all(dev, core, command, SAA6588_CMD_READ, &cmd);
993         mutex_unlock(&dev->lock);
994
995         return cmd.result;
996 }
997
998 static __poll_t radio_poll(struct file *file, poll_table *wait)
999 {
1000         struct saa7134_dev *dev = video_drvdata(file);
1001         struct saa6588_command cmd;
1002         __poll_t rc = v4l2_ctrl_poll(file, wait);
1003
1004         cmd.instance = file;
1005         cmd.event_list = wait;
1006         cmd.poll_mask = 0;
1007         mutex_lock(&dev->lock);
1008         saa_call_all(dev, core, command, SAA6588_CMD_POLL, &cmd);
1009         mutex_unlock(&dev->lock);
1010
1011         return rc | cmd.poll_mask;
1012 }
1013
1014 /* ------------------------------------------------------------------ */
1015
1016 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1017                                                 struct v4l2_format *f)
1018 {
1019         struct saa7134_dev *dev = video_drvdata(file);
1020         struct saa7134_tvnorm *norm = dev->tvnorm;
1021
1022         memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1023         f->fmt.vbi.sampling_rate = 6750000 * 4;
1024         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1025         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1026         f->fmt.vbi.offset = 64 * 4;
1027         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1028         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1029         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1030         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1031         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1032
1033         return 0;
1034 }
1035
1036 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1037                                 struct v4l2_format *f)
1038 {
1039         struct saa7134_dev *dev = video_drvdata(file);
1040
1041         f->fmt.pix.width        = dev->width;
1042         f->fmt.pix.height       = dev->height;
1043         f->fmt.pix.field        = dev->field;
1044         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1045         if (dev->fmt->planar)
1046                 f->fmt.pix.bytesperline = f->fmt.pix.width;
1047         else
1048                 f->fmt.pix.bytesperline =
1049                         (f->fmt.pix.width * dev->fmt->depth) / 8;
1050         f->fmt.pix.sizeimage =
1051                 (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8;
1052         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1053         return 0;
1054 }
1055
1056 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1057                                                 struct v4l2_format *f)
1058 {
1059         struct saa7134_dev *dev = video_drvdata(file);
1060         struct saa7134_format *fmt;
1061         enum v4l2_field field;
1062         unsigned int maxw, maxh;
1063
1064         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1065         if (NULL == fmt)
1066                 return -EINVAL;
1067
1068         field = f->fmt.pix.field;
1069         maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1070         maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1071
1072         if (V4L2_FIELD_ANY == field) {
1073                 field = (f->fmt.pix.height > maxh/2)
1074                         ? V4L2_FIELD_INTERLACED
1075                         : V4L2_FIELD_BOTTOM;
1076         }
1077         switch (field) {
1078         case V4L2_FIELD_TOP:
1079         case V4L2_FIELD_BOTTOM:
1080                 maxh = maxh / 2;
1081                 break;
1082         default:
1083                 field = V4L2_FIELD_INTERLACED;
1084                 break;
1085         }
1086
1087         f->fmt.pix.field = field;
1088         if (f->fmt.pix.width  < 48)
1089                 f->fmt.pix.width  = 48;
1090         if (f->fmt.pix.height < 32)
1091                 f->fmt.pix.height = 32;
1092         if (f->fmt.pix.width > maxw)
1093                 f->fmt.pix.width = maxw;
1094         if (f->fmt.pix.height > maxh)
1095                 f->fmt.pix.height = maxh;
1096         f->fmt.pix.width &= ~0x03;
1097         if (fmt->planar)
1098                 f->fmt.pix.bytesperline = f->fmt.pix.width;
1099         else
1100                 f->fmt.pix.bytesperline =
1101                         (f->fmt.pix.width * fmt->depth) / 8;
1102         f->fmt.pix.sizeimage =
1103                 (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8;
1104         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1105
1106         return 0;
1107 }
1108
1109 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1110                                         struct v4l2_format *f)
1111 {
1112         struct saa7134_dev *dev = video_drvdata(file);
1113         int err;
1114
1115         err = saa7134_try_fmt_vid_cap(file, priv, f);
1116         if (0 != err)
1117                 return err;
1118
1119         dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1120         dev->width = f->fmt.pix.width;
1121         dev->height = f->fmt.pix.height;
1122         dev->field = f->fmt.pix.field;
1123         return 0;
1124 }
1125
1126 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1127 {
1128         struct saa7134_dev *dev = video_drvdata(file);
1129         unsigned int n;
1130
1131         n = i->index;
1132         if (n >= SAA7134_INPUT_MAX)
1133                 return -EINVAL;
1134         if (card_in(dev, i->index).type == SAA7134_NO_INPUT)
1135                 return -EINVAL;
1136         i->index = n;
1137         strscpy(i->name, saa7134_input_name[card_in(dev, n).type],
1138                 sizeof(i->name));
1139         switch (card_in(dev, n).type) {
1140         case SAA7134_INPUT_TV:
1141         case SAA7134_INPUT_TV_MONO:
1142                 i->type = V4L2_INPUT_TYPE_TUNER;
1143                 break;
1144         default:
1145                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1146                 break;
1147         }
1148         if (n == dev->ctl_input) {
1149                 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1150                 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1151
1152                 if (0 != (v1 & 0x40))
1153                         i->status |= V4L2_IN_ST_NO_H_LOCK;
1154                 if (0 != (v2 & 0x40))
1155                         i->status |= V4L2_IN_ST_NO_SIGNAL;
1156                 if (0 != (v2 & 0x0e))
1157                         i->status |= V4L2_IN_ST_MACROVISION;
1158         }
1159         i->std = SAA7134_NORMS;
1160         return 0;
1161 }
1162 EXPORT_SYMBOL_GPL(saa7134_enum_input);
1163
1164 int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1165 {
1166         struct saa7134_dev *dev = video_drvdata(file);
1167
1168         *i = dev->ctl_input;
1169         return 0;
1170 }
1171 EXPORT_SYMBOL_GPL(saa7134_g_input);
1172
1173 int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1174 {
1175         struct saa7134_dev *dev = video_drvdata(file);
1176
1177         if (i >= SAA7134_INPUT_MAX)
1178                 return -EINVAL;
1179         if (card_in(dev, i).type == SAA7134_NO_INPUT)
1180                 return -EINVAL;
1181         video_mux(dev, i);
1182         return 0;
1183 }
1184 EXPORT_SYMBOL_GPL(saa7134_s_input);
1185
1186 int saa7134_querycap(struct file *file, void *priv,
1187                                         struct v4l2_capability *cap)
1188 {
1189         struct saa7134_dev *dev = video_drvdata(file);
1190
1191         strscpy(cap->driver, "saa7134", sizeof(cap->driver));
1192         strscpy(cap->card, saa7134_boards[dev->board].name,
1193                 sizeof(cap->card));
1194         cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1195                             V4L2_CAP_RADIO | V4L2_CAP_VIDEO_CAPTURE |
1196                             V4L2_CAP_VBI_CAPTURE | V4L2_CAP_DEVICE_CAPS;
1197         if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET)
1198                 cap->capabilities |= V4L2_CAP_TUNER;
1199         if (dev->has_rds)
1200                 cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
1201
1202         return 0;
1203 }
1204 EXPORT_SYMBOL_GPL(saa7134_querycap);
1205
1206 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1207 {
1208         struct saa7134_dev *dev = video_drvdata(file);
1209         unsigned int i;
1210         v4l2_std_id fixup;
1211
1212         for (i = 0; i < TVNORMS; i++)
1213                 if (id == tvnorms[i].id)
1214                         break;
1215
1216         if (i == TVNORMS)
1217                 for (i = 0; i < TVNORMS; i++)
1218                         if (id & tvnorms[i].id)
1219                                 break;
1220         if (i == TVNORMS)
1221                 return -EINVAL;
1222
1223         if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1224                 if (secam[0] == 'L' || secam[0] == 'l') {
1225                         if (secam[1] == 'C' || secam[1] == 'c')
1226                                 fixup = V4L2_STD_SECAM_LC;
1227                         else
1228                                 fixup = V4L2_STD_SECAM_L;
1229                 } else {
1230                         if (secam[0] == 'D' || secam[0] == 'd')
1231                                 fixup = V4L2_STD_SECAM_DK;
1232                         else
1233                                 fixup = V4L2_STD_SECAM;
1234                 }
1235                 for (i = 0; i < TVNORMS; i++) {
1236                         if (fixup == tvnorms[i].id)
1237                                 break;
1238                 }
1239                 if (i == TVNORMS)
1240                         return -EINVAL;
1241         }
1242
1243         set_tvnorm(dev, &tvnorms[i]);
1244
1245         saa7134_tvaudio_do_scan(dev);
1246         return 0;
1247 }
1248 EXPORT_SYMBOL_GPL(saa7134_s_std);
1249
1250 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1251 {
1252         struct saa7134_dev *dev = video_drvdata(file);
1253
1254         *id = dev->tvnorm->id;
1255         return 0;
1256 }
1257 EXPORT_SYMBOL_GPL(saa7134_g_std);
1258
1259 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1260 {
1261         static v4l2_std_id stds[] = {
1262                 V4L2_STD_UNKNOWN,
1263                 V4L2_STD_NTSC,
1264                 V4L2_STD_PAL,
1265                 V4L2_STD_SECAM };
1266
1267         v4l2_std_id result = 0;
1268
1269         u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1270         u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1271
1272         if (!(st2 & 0x1)) /* RDCAP == 0 */
1273                 result = V4L2_STD_UNKNOWN;
1274         else
1275                 result = stds[st1 & 0x03];
1276
1277         return result;
1278 }
1279
1280 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1281 {
1282         struct saa7134_dev *dev = video_drvdata(file);
1283         *std &= saa7134_read_std(dev);
1284         return 0;
1285 }
1286 EXPORT_SYMBOL_GPL(saa7134_querystd);
1287
1288 static int saa7134_g_pixelaspect(struct file *file, void *priv,
1289                                  int type, struct v4l2_fract *f)
1290 {
1291         struct saa7134_dev *dev = video_drvdata(file);
1292
1293         if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1294                 return -EINVAL;
1295
1296         if (dev->tvnorm->id & V4L2_STD_525_60) {
1297                 f->numerator   = 11;
1298                 f->denominator = 10;
1299         }
1300         if (dev->tvnorm->id & V4L2_STD_625_50) {
1301                 f->numerator   = 54;
1302                 f->denominator = 59;
1303         }
1304         return 0;
1305 }
1306
1307 static int saa7134_g_selection(struct file *file, void *f, struct v4l2_selection *sel)
1308 {
1309         struct saa7134_dev *dev = video_drvdata(file);
1310
1311         if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1312                 return -EINVAL;
1313
1314         switch (sel->target) {
1315         case V4L2_SEL_TGT_CROP:
1316                 sel->r = dev->crop_current;
1317                 break;
1318         case V4L2_SEL_TGT_CROP_DEFAULT:
1319                 sel->r = dev->crop_defrect;
1320                 break;
1321         case V4L2_SEL_TGT_CROP_BOUNDS:
1322                 sel->r  = dev->crop_bounds;
1323                 break;
1324         default:
1325                 return -EINVAL;
1326         }
1327         return 0;
1328 }
1329
1330 static int saa7134_s_selection(struct file *file, void *f, struct v4l2_selection *sel)
1331 {
1332         struct saa7134_dev *dev = video_drvdata(file);
1333         struct v4l2_rect *b = &dev->crop_bounds;
1334         struct v4l2_rect *c = &dev->crop_current;
1335
1336         if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1337                 return -EINVAL;
1338
1339         if (sel->target != V4L2_SEL_TGT_CROP)
1340                 return -EINVAL;
1341
1342         if (vb2_is_streaming(&dev->video_vbq))
1343                 return -EBUSY;
1344
1345         *c = sel->r;
1346         if (c->top < b->top)
1347                 c->top = b->top;
1348         if (c->top > b->top + b->height)
1349                 c->top = b->top + b->height;
1350         if (c->height > b->top - c->top + b->height)
1351                 c->height = b->top - c->top + b->height;
1352
1353         if (c->left < b->left)
1354                 c->left = b->left;
1355         if (c->left > b->left + b->width)
1356                 c->left = b->left + b->width;
1357         if (c->width > b->left - c->left + b->width)
1358                 c->width = b->left - c->left + b->width;
1359         sel->r = *c;
1360         return 0;
1361 }
1362
1363 int saa7134_g_tuner(struct file *file, void *priv,
1364                                         struct v4l2_tuner *t)
1365 {
1366         struct saa7134_dev *dev = video_drvdata(file);
1367         int n;
1368
1369         if (0 != t->index)
1370                 return -EINVAL;
1371         memset(t, 0, sizeof(*t));
1372         for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1373                 if (card_in(dev, n).type == SAA7134_INPUT_TV ||
1374                     card_in(dev, n).type == SAA7134_INPUT_TV_MONO)
1375                         break;
1376         }
1377         if (n == SAA7134_INPUT_MAX)
1378                 return -EINVAL;
1379         if (card_in(dev, n).type != SAA7134_NO_INPUT) {
1380                 strscpy(t->name, "Television", sizeof(t->name));
1381                 t->type = V4L2_TUNER_ANALOG_TV;
1382                 saa_call_all(dev, tuner, g_tuner, t);
1383                 t->capability = V4L2_TUNER_CAP_NORM |
1384                         V4L2_TUNER_CAP_STEREO |
1385                         V4L2_TUNER_CAP_LANG1 |
1386                         V4L2_TUNER_CAP_LANG2;
1387                 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1388                 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1389         }
1390         if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1391                 t->signal = 0xffff;
1392         return 0;
1393 }
1394 EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1395
1396 int saa7134_s_tuner(struct file *file, void *priv,
1397                                         const struct v4l2_tuner *t)
1398 {
1399         struct saa7134_dev *dev = video_drvdata(file);
1400         int rx, mode;
1401
1402         if (0 != t->index)
1403                 return -EINVAL;
1404
1405         mode = dev->thread.mode;
1406         if (UNSET == mode) {
1407                 rx   = saa7134_tvaudio_getstereo(dev);
1408                 mode = saa7134_tvaudio_rx2mode(rx);
1409         }
1410         if (mode != t->audmode)
1411                 dev->thread.mode = t->audmode;
1412
1413         return 0;
1414 }
1415 EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1416
1417 int saa7134_g_frequency(struct file *file, void *priv,
1418                                         struct v4l2_frequency *f)
1419 {
1420         struct saa7134_dev *dev = video_drvdata(file);
1421
1422         if (0 != f->tuner)
1423                 return -EINVAL;
1424
1425         saa_call_all(dev, tuner, g_frequency, f);
1426
1427         return 0;
1428 }
1429 EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1430
1431 int saa7134_s_frequency(struct file *file, void *priv,
1432                                         const struct v4l2_frequency *f)
1433 {
1434         struct saa7134_dev *dev = video_drvdata(file);
1435
1436         if (0 != f->tuner)
1437                 return -EINVAL;
1438
1439         saa_call_all(dev, tuner, s_frequency, f);
1440
1441         saa7134_tvaudio_do_scan(dev);
1442         return 0;
1443 }
1444 EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1445
1446 static int saa7134_enum_fmt_vid_cap(struct file *file, void  *priv,
1447                                         struct v4l2_fmtdesc *f)
1448 {
1449         if (f->index >= FORMATS)
1450                 return -EINVAL;
1451
1452         f->pixelformat = formats[f->index].fourcc;
1453
1454         return 0;
1455 }
1456
1457 #ifdef CONFIG_VIDEO_ADV_DEBUG
1458 static int vidioc_g_register (struct file *file, void *priv,
1459                               struct v4l2_dbg_register *reg)
1460 {
1461         struct saa7134_dev *dev = video_drvdata(file);
1462
1463         reg->val = saa_readb(reg->reg & 0xffffff);
1464         reg->size = 1;
1465         return 0;
1466 }
1467
1468 static int vidioc_s_register (struct file *file, void *priv,
1469                                 const struct v4l2_dbg_register *reg)
1470 {
1471         struct saa7134_dev *dev = video_drvdata(file);
1472
1473         saa_writeb(reg->reg & 0xffffff, reg->val);
1474         return 0;
1475 }
1476 #endif
1477
1478 static int radio_g_tuner(struct file *file, void *priv,
1479                                         struct v4l2_tuner *t)
1480 {
1481         struct saa7134_dev *dev = video_drvdata(file);
1482
1483         if (0 != t->index)
1484                 return -EINVAL;
1485
1486         strscpy(t->name, "Radio", sizeof(t->name));
1487
1488         saa_call_all(dev, tuner, g_tuner, t);
1489         t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1490         if (dev->input->amux == TV) {
1491                 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1492                 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1493                                 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1494         }
1495         return 0;
1496 }
1497 static int radio_s_tuner(struct file *file, void *priv,
1498                                         const struct v4l2_tuner *t)
1499 {
1500         struct saa7134_dev *dev = video_drvdata(file);
1501
1502         if (0 != t->index)
1503                 return -EINVAL;
1504
1505         saa_call_all(dev, tuner, s_tuner, t);
1506         return 0;
1507 }
1508
1509 static const struct v4l2_file_operations video_fops =
1510 {
1511         .owner    = THIS_MODULE,
1512         .open     = video_open,
1513         .release  = video_release,
1514         .read     = vb2_fop_read,
1515         .poll     = vb2_fop_poll,
1516         .mmap     = vb2_fop_mmap,
1517         .unlocked_ioctl   = video_ioctl2,
1518 };
1519
1520 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1521         .vidioc_querycap                = saa7134_querycap,
1522         .vidioc_enum_fmt_vid_cap        = saa7134_enum_fmt_vid_cap,
1523         .vidioc_g_fmt_vid_cap           = saa7134_g_fmt_vid_cap,
1524         .vidioc_try_fmt_vid_cap         = saa7134_try_fmt_vid_cap,
1525         .vidioc_s_fmt_vid_cap           = saa7134_s_fmt_vid_cap,
1526         .vidioc_g_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1527         .vidioc_try_fmt_vbi_cap         = saa7134_try_get_set_fmt_vbi_cap,
1528         .vidioc_s_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1529         .vidioc_g_pixelaspect           = saa7134_g_pixelaspect,
1530         .vidioc_reqbufs                 = vb2_ioctl_reqbufs,
1531         .vidioc_querybuf                = vb2_ioctl_querybuf,
1532         .vidioc_qbuf                    = vb2_ioctl_qbuf,
1533         .vidioc_dqbuf                   = vb2_ioctl_dqbuf,
1534         .vidioc_expbuf                  = vb2_ioctl_expbuf,
1535         .vidioc_s_std                   = saa7134_s_std,
1536         .vidioc_g_std                   = saa7134_g_std,
1537         .vidioc_querystd                = saa7134_querystd,
1538         .vidioc_enum_input              = saa7134_enum_input,
1539         .vidioc_g_input                 = saa7134_g_input,
1540         .vidioc_s_input                 = saa7134_s_input,
1541         .vidioc_streamon                = vb2_ioctl_streamon,
1542         .vidioc_streamoff               = vb2_ioctl_streamoff,
1543         .vidioc_g_tuner                 = saa7134_g_tuner,
1544         .vidioc_s_tuner                 = saa7134_s_tuner,
1545         .vidioc_g_selection             = saa7134_g_selection,
1546         .vidioc_s_selection             = saa7134_s_selection,
1547         .vidioc_g_frequency             = saa7134_g_frequency,
1548         .vidioc_s_frequency             = saa7134_s_frequency,
1549 #ifdef CONFIG_VIDEO_ADV_DEBUG
1550         .vidioc_g_register              = vidioc_g_register,
1551         .vidioc_s_register              = vidioc_s_register,
1552 #endif
1553         .vidioc_log_status              = v4l2_ctrl_log_status,
1554         .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
1555         .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
1556 };
1557
1558 static const struct v4l2_file_operations radio_fops = {
1559         .owner    = THIS_MODULE,
1560         .open     = video_open,
1561         .read     = radio_read,
1562         .release  = video_release,
1563         .unlocked_ioctl = video_ioctl2,
1564         .poll     = radio_poll,
1565 };
1566
1567 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1568         .vidioc_querycap        = saa7134_querycap,
1569         .vidioc_g_tuner         = radio_g_tuner,
1570         .vidioc_s_tuner         = radio_s_tuner,
1571         .vidioc_g_frequency     = saa7134_g_frequency,
1572         .vidioc_s_frequency     = saa7134_s_frequency,
1573         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1574         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1575 };
1576
1577 /* ----------------------------------------------------------- */
1578 /* exported stuff                                              */
1579
1580 struct video_device saa7134_video_template = {
1581         .name                           = "saa7134-video",
1582         .fops                           = &video_fops,
1583         .ioctl_ops                      = &video_ioctl_ops,
1584         .tvnorms                        = SAA7134_NORMS,
1585 };
1586
1587 struct video_device saa7134_radio_template = {
1588         .name                   = "saa7134-radio",
1589         .fops                   = &radio_fops,
1590         .ioctl_ops              = &radio_ioctl_ops,
1591 };
1592
1593 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
1594         .s_ctrl = saa7134_s_ctrl,
1595 };
1596
1597 static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
1598         .ops = &saa7134_ctrl_ops,
1599         .id = V4L2_CID_PRIVATE_INVERT,
1600         .name = "Invert",
1601         .type = V4L2_CTRL_TYPE_BOOLEAN,
1602         .min = 0,
1603         .max = 1,
1604         .step = 1,
1605 };
1606
1607 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
1608         .ops = &saa7134_ctrl_ops,
1609         .id = V4L2_CID_PRIVATE_Y_ODD,
1610         .name = "Y Offset Odd Field",
1611         .type = V4L2_CTRL_TYPE_INTEGER,
1612         .min = 0,
1613         .max = 128,
1614         .step = 1,
1615 };
1616
1617 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
1618         .ops = &saa7134_ctrl_ops,
1619         .id = V4L2_CID_PRIVATE_Y_EVEN,
1620         .name = "Y Offset Even Field",
1621         .type = V4L2_CTRL_TYPE_INTEGER,
1622         .min = 0,
1623         .max = 128,
1624         .step = 1,
1625 };
1626
1627 static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
1628         .ops = &saa7134_ctrl_ops,
1629         .id = V4L2_CID_PRIVATE_AUTOMUTE,
1630         .name = "Automute",
1631         .type = V4L2_CTRL_TYPE_BOOLEAN,
1632         .min = 0,
1633         .max = 1,
1634         .step = 1,
1635         .def = 1,
1636 };
1637
1638 int saa7134_video_init1(struct saa7134_dev *dev)
1639 {
1640         struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
1641         struct vb2_queue *q;
1642         int ret;
1643
1644         /* sanitycheck insmod options */
1645         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
1646                 gbuffers = 2;
1647         if (gbufsize > gbufsize_max)
1648                 gbufsize = gbufsize_max;
1649         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
1650
1651         v4l2_ctrl_handler_init(hdl, 11);
1652         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1653                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1654         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1655                         V4L2_CID_CONTRAST, 0, 127, 1, 68);
1656         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1657                         V4L2_CID_SATURATION, 0, 127, 1, 64);
1658         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1659                         V4L2_CID_HUE, -128, 127, 1, 0);
1660         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1661                         V4L2_CID_HFLIP, 0, 1, 1, 0);
1662         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1663                         V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
1664         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
1665                         V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
1666         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
1667         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
1668         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
1669         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
1670         if (hdl->error)
1671                 return hdl->error;
1672         if (card_has_radio(dev)) {
1673                 hdl = &dev->radio_ctrl_handler;
1674                 v4l2_ctrl_handler_init(hdl, 2);
1675                 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
1676                                 v4l2_ctrl_radio_filter, false);
1677                 if (hdl->error)
1678                         return hdl->error;
1679         }
1680         dev->ctl_mute       = 1;
1681
1682         if (dev->tda9887_conf && saa7134_ctrl_automute.def)
1683                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1684         dev->automute       = 0;
1685
1686         INIT_LIST_HEAD(&dev->video_q.queue);
1687         timer_setup(&dev->video_q.timeout, saa7134_buffer_timeout, 0);
1688         dev->video_q.dev              = dev;
1689         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1690         dev->width    = 720;
1691         dev->height   = 576;
1692         dev->field = V4L2_FIELD_INTERLACED;
1693
1694         if (saa7134_boards[dev->board].video_out)
1695                 saa7134_videoport_init(dev);
1696
1697         q = &dev->video_vbq;
1698         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1699         /*
1700          * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
1701          * engine cannot handle transfers that do not start at the beginning
1702          * of a page. A user-provided pointer can start anywhere in a page, so
1703          * USERPTR support is a no-go unless the application knows about these
1704          * limitations and has special support for this.
1705          */
1706         q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ;
1707         if (saa7134_userptr)
1708                 q->io_modes |= VB2_USERPTR;
1709         q->drv_priv = &dev->video_q;
1710         q->ops = &vb2_qops;
1711         q->gfp_flags = GFP_DMA32;
1712         q->mem_ops = &vb2_dma_sg_memops;
1713         q->buf_struct_size = sizeof(struct saa7134_buf);
1714         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1715         q->lock = &dev->lock;
1716         q->dev = &dev->pci->dev;
1717         ret = vb2_queue_init(q);
1718         if (ret)
1719                 return ret;
1720         saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
1721
1722         q = &dev->vbi_vbq;
1723         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1724         /* Don't add VB2_USERPTR, see comment above */
1725         q->io_modes = VB2_MMAP | VB2_READ;
1726         if (saa7134_userptr)
1727                 q->io_modes |= VB2_USERPTR;
1728         q->drv_priv = &dev->vbi_q;
1729         q->ops = &saa7134_vbi_qops;
1730         q->gfp_flags = GFP_DMA32;
1731         q->mem_ops = &vb2_dma_sg_memops;
1732         q->buf_struct_size = sizeof(struct saa7134_buf);
1733         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1734         q->lock = &dev->lock;
1735         q->dev = &dev->pci->dev;
1736         ret = vb2_queue_init(q);
1737         if (ret)
1738                 return ret;
1739         saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
1740
1741         return 0;
1742 }
1743
1744 void saa7134_video_fini(struct saa7134_dev *dev)
1745 {
1746         del_timer_sync(&dev->video_q.timeout);
1747         /* free stuff */
1748         saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
1749         saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
1750         v4l2_ctrl_handler_free(&dev->ctrl_handler);
1751         if (card_has_radio(dev))
1752                 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
1753 }
1754
1755 int saa7134_videoport_init(struct saa7134_dev *dev)
1756 {
1757         /* enable video output */
1758         int vo = saa7134_boards[dev->board].video_out;
1759         int video_reg;
1760         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
1761
1762         /* Configure videoport */
1763         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
1764         video_reg = video_out[vo][1];
1765         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
1766                 video_reg &= ~VP_T_CODE_P_INVERTED;
1767         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
1768         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
1769         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
1770         video_reg = video_out[vo][5];
1771         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
1772                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
1773         if (vid_port_opts & SET_CLOCK_INVERTED)
1774                 video_reg |= VP_CLK_CTRL1_INVERTED;
1775         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
1776         video_reg = video_out[vo][6];
1777         if (vid_port_opts & SET_VSYNC_OFF) {
1778                 video_reg &= ~VP_VS_TYPE_MASK;
1779                 video_reg |= VP_VS_TYPE_OFF;
1780         }
1781         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
1782         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
1783         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
1784
1785         /* Start videoport */
1786         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
1787
1788         return 0;
1789 }
1790
1791 int saa7134_video_init2(struct saa7134_dev *dev)
1792 {
1793         /* init video hw */
1794         set_tvnorm(dev,&tvnorms[0]);
1795         video_mux(dev,0);
1796         v4l2_ctrl_handler_setup(&dev->ctrl_handler);
1797         saa7134_tvaudio_setmute(dev);
1798         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1799         return 0;
1800 }
1801
1802 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
1803 {
1804         static const char *st[] = {
1805                 "(no signal)", "NTSC", "PAL", "SECAM" };
1806         u32 st1,st2;
1807
1808         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1809         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1810         video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n",
1811                 (st1 & 0x40) ? "not locked" : "locked",
1812                 (st2 & 0x40) ? "no"         : "yes",
1813                 st[st1 & 0x03]);
1814         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
1815
1816         if (dev->nosignal) {
1817                 /* no video signal -> mute audio */
1818                 if (dev->ctl_automute)
1819                         dev->automute = 1;
1820                 saa7134_tvaudio_setmute(dev);
1821         } else {
1822                 /* wake up tvaudio audio carrier scan thread */
1823                 saa7134_tvaudio_do_scan(dev);
1824         }
1825
1826         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
1827                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
1828         else
1829                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
1830
1831         if (dev->mops && dev->mops->signal_change)
1832                 dev->mops->signal_change(dev);
1833 }
1834
1835
1836 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
1837 {
1838         enum v4l2_field field;
1839
1840         spin_lock(&dev->slock);
1841         if (dev->video_q.curr) {
1842                 field = dev->field;
1843                 if (V4L2_FIELD_HAS_BOTH(field)) {
1844                         /* make sure we have seen both fields */
1845                         if ((status & 0x10) == 0x00) {
1846                                 dev->video_q.curr->top_seen = 1;
1847                                 goto done;
1848                         }
1849                         if (!dev->video_q.curr->top_seen)
1850                                 goto done;
1851                 } else if (field == V4L2_FIELD_TOP) {
1852                         if ((status & 0x10) != 0x10)
1853                                 goto done;
1854                 } else if (field == V4L2_FIELD_BOTTOM) {
1855                         if ((status & 0x10) != 0x00)
1856                                 goto done;
1857                 }
1858                 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
1859         }
1860         saa7134_buffer_next(dev, &dev->video_q);
1861
1862  done:
1863         spin_unlock(&dev->slock);
1864 }