035039cfae6d61558ba400e7139156f8dbd74b42
[sfrench/cifs-2.6.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  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to the Free Software
20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22
23 #include "saa7134.h"
24 #include "saa7134-reg.h"
25
26 #include <linux/init.h>
27 #include <linux/list.h>
28 #include <linux/module.h>
29 #include <linux/kernel.h>
30 #include <linux/slab.h>
31 #include <linux/sort.h>
32
33 #include <media/v4l2-common.h>
34 #include <media/v4l2-event.h>
35 #include <media/saa6588.h>
36
37 /* ------------------------------------------------------------------ */
38
39 unsigned int video_debug;
40 static unsigned int gbuffers      = 8;
41 static unsigned int noninterlaced; /* 0 */
42 static unsigned int gbufsize      = 720*576*4;
43 static unsigned int gbufsize_max  = 720*576*4;
44 static char secam[] = "--";
45 module_param(video_debug, int, 0644);
46 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
47 module_param(gbuffers, int, 0444);
48 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
49 module_param(noninterlaced, int, 0644);
50 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
51 module_param_string(secam, secam, sizeof(secam), 0644);
52 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
53
54
55 #define video_dbg(fmt, arg...) do { \
56         if (video_debug & 0x04) \
57                 printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \
58         } while (0)
59
60 /* ------------------------------------------------------------------ */
61 /* Defines for Video Output Port Register at address 0x191            */
62
63 /* Bit 0: VIP code T bit polarity */
64
65 #define VP_T_CODE_P_NON_INVERTED        0x00
66 #define VP_T_CODE_P_INVERTED            0x01
67
68 /* ------------------------------------------------------------------ */
69 /* Defines for Video Output Port Register at address 0x195            */
70
71 /* Bit 2: Video output clock delay control */
72
73 #define VP_CLK_CTRL2_NOT_DELAYED        0x00
74 #define VP_CLK_CTRL2_DELAYED            0x04
75
76 /* Bit 1: Video output clock invert control */
77
78 #define VP_CLK_CTRL1_NON_INVERTED       0x00
79 #define VP_CLK_CTRL1_INVERTED           0x02
80
81 /* ------------------------------------------------------------------ */
82 /* Defines for Video Output Port Register at address 0x196            */
83
84 /* Bits 2 to 0: VSYNC pin video vertical sync type */
85
86 #define VP_VS_TYPE_MASK                 0x07
87
88 #define VP_VS_TYPE_OFF                  0x00
89 #define VP_VS_TYPE_V123                 0x01
90 #define VP_VS_TYPE_V_ITU                0x02
91 #define VP_VS_TYPE_VGATE_L              0x03
92 #define VP_VS_TYPE_RESERVED1            0x04
93 #define VP_VS_TYPE_RESERVED2            0x05
94 #define VP_VS_TYPE_F_ITU                0x06
95 #define VP_VS_TYPE_SC_FID               0x07
96
97 /* ------------------------------------------------------------------ */
98 /* data structs for video                                             */
99
100 static int video_out[][9] = {
101         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
102 };
103
104 static struct saa7134_format formats[] = {
105         {
106                 .name     = "8 bpp gray",
107                 .fourcc   = V4L2_PIX_FMT_GREY,
108                 .depth    = 8,
109                 .pm       = 0x06,
110         },{
111                 .name     = "15 bpp RGB, le",
112                 .fourcc   = V4L2_PIX_FMT_RGB555,
113                 .depth    = 16,
114                 .pm       = 0x13 | 0x80,
115         },{
116                 .name     = "15 bpp RGB, be",
117                 .fourcc   = V4L2_PIX_FMT_RGB555X,
118                 .depth    = 16,
119                 .pm       = 0x13 | 0x80,
120                 .bswap    = 1,
121         },{
122                 .name     = "16 bpp RGB, le",
123                 .fourcc   = V4L2_PIX_FMT_RGB565,
124                 .depth    = 16,
125                 .pm       = 0x10 | 0x80,
126         },{
127                 .name     = "16 bpp RGB, be",
128                 .fourcc   = V4L2_PIX_FMT_RGB565X,
129                 .depth    = 16,
130                 .pm       = 0x10 | 0x80,
131                 .bswap    = 1,
132         },{
133                 .name     = "24 bpp RGB, le",
134                 .fourcc   = V4L2_PIX_FMT_BGR24,
135                 .depth    = 24,
136                 .pm       = 0x11,
137         },{
138                 .name     = "24 bpp RGB, be",
139                 .fourcc   = V4L2_PIX_FMT_RGB24,
140                 .depth    = 24,
141                 .pm       = 0x11,
142                 .bswap    = 1,
143         },{
144                 .name     = "32 bpp RGB, le",
145                 .fourcc   = V4L2_PIX_FMT_BGR32,
146                 .depth    = 32,
147                 .pm       = 0x12,
148         },{
149                 .name     = "32 bpp RGB, be",
150                 .fourcc   = V4L2_PIX_FMT_RGB32,
151                 .depth    = 32,
152                 .pm       = 0x12,
153                 .bswap    = 1,
154                 .wswap    = 1,
155         },{
156                 .name     = "4:2:2 packed, YUYV",
157                 .fourcc   = V4L2_PIX_FMT_YUYV,
158                 .depth    = 16,
159                 .pm       = 0x00,
160                 .bswap    = 1,
161                 .yuv      = 1,
162         },{
163                 .name     = "4:2:2 packed, UYVY",
164                 .fourcc   = V4L2_PIX_FMT_UYVY,
165                 .depth    = 16,
166                 .pm       = 0x00,
167                 .yuv      = 1,
168         },{
169                 .name     = "4:2:2 planar, Y-Cb-Cr",
170                 .fourcc   = V4L2_PIX_FMT_YUV422P,
171                 .depth    = 16,
172                 .pm       = 0x09,
173                 .yuv      = 1,
174                 .planar   = 1,
175                 .hshift   = 1,
176                 .vshift   = 0,
177         },{
178                 .name     = "4:2:0 planar, Y-Cb-Cr",
179                 .fourcc   = V4L2_PIX_FMT_YUV420,
180                 .depth    = 12,
181                 .pm       = 0x0a,
182                 .yuv      = 1,
183                 .planar   = 1,
184                 .hshift   = 1,
185                 .vshift   = 1,
186         },{
187                 .name     = "4:2:0 planar, Y-Cb-Cr",
188                 .fourcc   = V4L2_PIX_FMT_YVU420,
189                 .depth    = 12,
190                 .pm       = 0x0a,
191                 .yuv      = 1,
192                 .planar   = 1,
193                 .uvswap   = 1,
194                 .hshift   = 1,
195                 .vshift   = 1,
196         }
197 };
198 #define FORMATS ARRAY_SIZE(formats)
199
200 #define NORM_625_50                     \
201                 .h_start       = 0,     \
202                 .h_stop        = 719,   \
203                 .video_v_start = 24,    \
204                 .video_v_stop  = 311,   \
205                 .vbi_v_start_0 = 7,     \
206                 .vbi_v_stop_0  = 23,    \
207                 .vbi_v_start_1 = 319,   \
208                 .src_timing    = 4
209
210 #define NORM_525_60                     \
211                 .h_start       = 0,     \
212                 .h_stop        = 719,   \
213                 .video_v_start = 23,    \
214                 .video_v_stop  = 262,   \
215                 .vbi_v_start_0 = 10,    \
216                 .vbi_v_stop_0  = 21,    \
217                 .vbi_v_start_1 = 273,   \
218                 .src_timing    = 7
219
220 static struct saa7134_tvnorm tvnorms[] = {
221         {
222                 .name          = "PAL", /* autodetect */
223                 .id            = V4L2_STD_PAL,
224                 NORM_625_50,
225
226                 .sync_control  = 0x18,
227                 .luma_control  = 0x40,
228                 .chroma_ctrl1  = 0x81,
229                 .chroma_gain   = 0x2a,
230                 .chroma_ctrl2  = 0x06,
231                 .vgate_misc    = 0x1c,
232
233         },{
234                 .name          = "PAL-BG",
235                 .id            = V4L2_STD_PAL_BG,
236                 NORM_625_50,
237
238                 .sync_control  = 0x18,
239                 .luma_control  = 0x40,
240                 .chroma_ctrl1  = 0x81,
241                 .chroma_gain   = 0x2a,
242                 .chroma_ctrl2  = 0x06,
243                 .vgate_misc    = 0x1c,
244
245         },{
246                 .name          = "PAL-I",
247                 .id            = V4L2_STD_PAL_I,
248                 NORM_625_50,
249
250                 .sync_control  = 0x18,
251                 .luma_control  = 0x40,
252                 .chroma_ctrl1  = 0x81,
253                 .chroma_gain   = 0x2a,
254                 .chroma_ctrl2  = 0x06,
255                 .vgate_misc    = 0x1c,
256
257         },{
258                 .name          = "PAL-DK",
259                 .id            = V4L2_STD_PAL_DK,
260                 NORM_625_50,
261
262                 .sync_control  = 0x18,
263                 .luma_control  = 0x40,
264                 .chroma_ctrl1  = 0x81,
265                 .chroma_gain   = 0x2a,
266                 .chroma_ctrl2  = 0x06,
267                 .vgate_misc    = 0x1c,
268
269         },{
270                 .name          = "NTSC",
271                 .id            = V4L2_STD_NTSC,
272                 NORM_525_60,
273
274                 .sync_control  = 0x59,
275                 .luma_control  = 0x40,
276                 .chroma_ctrl1  = 0x89,
277                 .chroma_gain   = 0x2a,
278                 .chroma_ctrl2  = 0x0e,
279                 .vgate_misc    = 0x18,
280
281         },{
282                 .name          = "SECAM",
283                 .id            = V4L2_STD_SECAM,
284                 NORM_625_50,
285
286                 .sync_control  = 0x18,
287                 .luma_control  = 0x1b,
288                 .chroma_ctrl1  = 0xd1,
289                 .chroma_gain   = 0x80,
290                 .chroma_ctrl2  = 0x00,
291                 .vgate_misc    = 0x1c,
292
293         },{
294                 .name          = "SECAM-DK",
295                 .id            = V4L2_STD_SECAM_DK,
296                 NORM_625_50,
297
298                 .sync_control  = 0x18,
299                 .luma_control  = 0x1b,
300                 .chroma_ctrl1  = 0xd1,
301                 .chroma_gain   = 0x80,
302                 .chroma_ctrl2  = 0x00,
303                 .vgate_misc    = 0x1c,
304
305         },{
306                 .name          = "SECAM-L",
307                 .id            = V4L2_STD_SECAM_L,
308                 NORM_625_50,
309
310                 .sync_control  = 0x18,
311                 .luma_control  = 0x1b,
312                 .chroma_ctrl1  = 0xd1,
313                 .chroma_gain   = 0x80,
314                 .chroma_ctrl2  = 0x00,
315                 .vgate_misc    = 0x1c,
316
317         },{
318                 .name          = "SECAM-Lc",
319                 .id            = V4L2_STD_SECAM_LC,
320                 NORM_625_50,
321
322                 .sync_control  = 0x18,
323                 .luma_control  = 0x1b,
324                 .chroma_ctrl1  = 0xd1,
325                 .chroma_gain   = 0x80,
326                 .chroma_ctrl2  = 0x00,
327                 .vgate_misc    = 0x1c,
328
329         },{
330                 .name          = "PAL-M",
331                 .id            = V4L2_STD_PAL_M,
332                 NORM_525_60,
333
334                 .sync_control  = 0x59,
335                 .luma_control  = 0x40,
336                 .chroma_ctrl1  = 0xb9,
337                 .chroma_gain   = 0x2a,
338                 .chroma_ctrl2  = 0x0e,
339                 .vgate_misc    = 0x18,
340
341         },{
342                 .name          = "PAL-Nc",
343                 .id            = V4L2_STD_PAL_Nc,
344                 NORM_625_50,
345
346                 .sync_control  = 0x18,
347                 .luma_control  = 0x40,
348                 .chroma_ctrl1  = 0xa1,
349                 .chroma_gain   = 0x2a,
350                 .chroma_ctrl2  = 0x06,
351                 .vgate_misc    = 0x1c,
352
353         },{
354                 .name          = "PAL-60",
355                 .id            = V4L2_STD_PAL_60,
356
357                 .h_start       = 0,
358                 .h_stop        = 719,
359                 .video_v_start = 23,
360                 .video_v_stop  = 262,
361                 .vbi_v_start_0 = 10,
362                 .vbi_v_stop_0  = 21,
363                 .vbi_v_start_1 = 273,
364                 .src_timing    = 7,
365
366                 .sync_control  = 0x18,
367                 .luma_control  = 0x40,
368                 .chroma_ctrl1  = 0x81,
369                 .chroma_gain   = 0x2a,
370                 .chroma_ctrl2  = 0x06,
371                 .vgate_misc    = 0x1c,
372         }
373 };
374 #define TVNORMS ARRAY_SIZE(tvnorms)
375
376 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
377 {
378         unsigned int i;
379
380         for (i = 0; i < FORMATS; i++)
381                 if (formats[i].fourcc == fourcc)
382                         return formats+i;
383         return NULL;
384 }
385
386 /* ------------------------------------------------------------------ */
387
388 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
389 {
390         video_dbg("set tv norm = %s\n", norm->name);
391         dev->tvnorm = norm;
392
393         /* setup cropping */
394         dev->crop_bounds.left    = norm->h_start;
395         dev->crop_defrect.left   = norm->h_start;
396         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
397         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
398
399         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
400         dev->crop_defrect.top    = norm->video_v_start*2;
401         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
402                 - dev->crop_bounds.top;
403         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
404
405         dev->crop_current = dev->crop_defrect;
406
407         saa7134_set_tvnorm_hw(dev);
408 }
409
410 static void video_mux(struct saa7134_dev *dev, int input)
411 {
412         video_dbg("video input = %d [%s]\n", input, card_in(dev, input).name);
413         dev->ctl_input = input;
414         set_tvnorm(dev, dev->tvnorm);
415         saa7134_tvaudio_setinput(dev, &card_in(dev, input));
416 }
417
418
419 static void saa7134_set_decoder(struct saa7134_dev *dev)
420 {
421         int luma_control, sync_control, chroma_ctrl1, mux;
422
423         struct saa7134_tvnorm *norm = dev->tvnorm;
424         mux = card_in(dev, dev->ctl_input).vmux;
425
426         luma_control = norm->luma_control;
427         sync_control = norm->sync_control;
428         chroma_ctrl1 = norm->chroma_ctrl1;
429
430         if (mux > 5)
431                 luma_control |= 0x80; /* svideo */
432         if (noninterlaced || dev->nosignal)
433                 sync_control |= 0x20;
434
435         /* switch on auto standard detection */
436         sync_control |= SAA7134_SYNC_CTRL_AUFD;
437         chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
438         chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
439         luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
440
441         /* setup video decoder */
442         saa_writeb(SAA7134_INCR_DELAY,            0x08);
443         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
444         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
445
446         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
447         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
448         saa_writeb(SAA7134_HSYNC_START,           0xeb);
449         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
450         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
451
452         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
453         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
454         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
455
456         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
457                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
458
459         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
460                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
461
462         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
463         saa_writeb(SAA7134_CHROMA_CTRL1,          chroma_ctrl1);
464         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
465
466         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
467         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
468
469         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
470         saa_writeb(SAA7134_VGATE_START,           0x11);
471         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
472         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
473         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
474         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
475 }
476
477 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
478 {
479         saa7134_set_decoder(dev);
480
481         if (card_in(dev, dev->ctl_input).tv)
482                 saa_call_all(dev, video, s_std, dev->tvnorm->id);
483         /* Set the correct norm for the saa6752hs. This function
484            does nothing if there is no saa6752hs. */
485         saa_call_empress(dev, video, s_std, dev->tvnorm->id);
486 }
487
488 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
489 {
490         static const struct {
491                 int xpsc;
492                 int xacl;
493                 int xc2_1;
494                 int xdcg;
495                 int vpfy;
496         } vals[] = {
497                 /* XPSC XACL XC2_1 XDCG VPFY */
498                 {    1,   0,    0,    0,   0 },
499                 {    2,   2,    1,    2,   2 },
500                 {    3,   4,    1,    3,   2 },
501                 {    4,   8,    1,    4,   2 },
502                 {    5,   8,    1,    4,   2 },
503                 {    6,   8,    1,    4,   3 },
504                 {    7,   8,    1,    4,   3 },
505                 {    8,  15,    0,    4,   3 },
506                 {    9,  15,    0,    4,   3 },
507                 {   10,  16,    1,    5,   3 },
508         };
509         static const int count = ARRAY_SIZE(vals);
510         int i;
511
512         for (i = 0; i < count; i++)
513                 if (vals[i].xpsc == prescale)
514                         break;
515         if (i == count)
516                 return;
517
518         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
519         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
520         saa_writeb(SAA7134_LEVEL_CTRL(task),
521                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
522         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
523                    (vals[i].vpfy << 2) | vals[i].vpfy);
524 }
525
526 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
527 {
528         int val,mirror;
529
530         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
531         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
532
533         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
534         if (yscale < 2048) {
535                 /* LPI */
536                 video_dbg("yscale LPI yscale=%d\n", yscale);
537                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
538                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
539                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
540         } else {
541                 /* ACM */
542                 val = 0x40 * 1024 / yscale;
543                 video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val);
544                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
545                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
546                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
547         }
548         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
549 }
550
551 static void set_size(struct saa7134_dev *dev, int task,
552                      int width, int height, int interlace)
553 {
554         int prescale,xscale,yscale,y_even,y_odd;
555         int h_start, h_stop, v_start, v_stop;
556         int div = interlace ? 2 : 1;
557
558         /* setup video scaler */
559         h_start = dev->crop_current.left;
560         v_start = dev->crop_current.top/2;
561         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
562         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
563
564         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
565         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
566         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
567         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
568         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
569         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
570         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
571         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
572
573         prescale = dev->crop_current.width / width;
574         if (0 == prescale)
575                 prescale = 1;
576         xscale = 1024 * dev->crop_current.width / prescale / width;
577         yscale = 512 * div * dev->crop_current.height / height;
578         video_dbg("prescale=%d xscale=%d yscale=%d\n",
579                   prescale, xscale, yscale);
580         set_h_prescale(dev,task,prescale);
581         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
582         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
583         set_v_scale(dev,task,yscale);
584
585         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
586         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
587         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
588         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
589
590         /* deinterlace y offsets */
591         y_odd  = dev->ctl_y_odd;
592         y_even = dev->ctl_y_even;
593         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
594         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
595         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
596         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
597 }
598
599 /* ------------------------------------------------------------------ */
600
601 struct cliplist {
602         __u16 position;
603         __u8  enable;
604         __u8  disable;
605 };
606
607 static void set_cliplist(struct saa7134_dev *dev, int reg,
608                         struct cliplist *cl, int entries, char *name)
609 {
610         __u8 winbits = 0;
611         int i;
612
613         for (i = 0; i < entries; i++) {
614                 winbits |= cl[i].enable;
615                 winbits &= ~cl[i].disable;
616                 if (i < 15 && cl[i].position == cl[i+1].position)
617                         continue;
618                 saa_writeb(reg + 0, winbits);
619                 saa_writeb(reg + 2, cl[i].position & 0xff);
620                 saa_writeb(reg + 3, cl[i].position >> 8);
621                 video_dbg("clip: %s winbits=%02x pos=%d\n",
622                         name,winbits,cl[i].position);
623                 reg += 8;
624         }
625         for (; reg < 0x400; reg += 8) {
626                 saa_writeb(reg+ 0, 0);
627                 saa_writeb(reg + 1, 0);
628                 saa_writeb(reg + 2, 0);
629                 saa_writeb(reg + 3, 0);
630         }
631 }
632
633 static int clip_range(int val)
634 {
635         if (val < 0)
636                 val = 0;
637         return val;
638 }
639
640 /* Sort into smallest position first order */
641 static int cliplist_cmp(const void *a, const void *b)
642 {
643         const struct cliplist *cla = a;
644         const struct cliplist *clb = b;
645         if (cla->position < clb->position)
646                 return -1;
647         if (cla->position > clb->position)
648                 return 1;
649         return 0;
650 }
651
652 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
653                           int nclips, int interlace)
654 {
655         struct cliplist col[16], row[16];
656         int cols = 0, rows = 0, i;
657         int div = interlace ? 2 : 1;
658
659         memset(col, 0, sizeof(col));
660         memset(row, 0, sizeof(row));
661         for (i = 0; i < nclips && i < 8; i++) {
662                 col[cols].position = clip_range(clips[i].c.left);
663                 col[cols].enable   = (1 << i);
664                 cols++;
665                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
666                 col[cols].disable  = (1 << i);
667                 cols++;
668                 row[rows].position = clip_range(clips[i].c.top / div);
669                 row[rows].enable   = (1 << i);
670                 rows++;
671                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
672                                                 / div);
673                 row[rows].disable  = (1 << i);
674                 rows++;
675         }
676         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
677         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
678         set_cliplist(dev,0x380,col,cols,"cols");
679         set_cliplist(dev,0x384,row,rows,"rows");
680         return 0;
681 }
682
683 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
684 {
685         enum v4l2_field field;
686         int maxw, maxh;
687
688         if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
689                 return -EINVAL;
690         if (win->w.width < 48)
691                 win->w.width = 48;
692         if (win->w.height < 32)
693                 win->w.height = 32;
694         if (win->clipcount > 8)
695                 win->clipcount = 8;
696
697         win->chromakey = 0;
698         win->global_alpha = 0;
699         field = win->field;
700         maxw  = dev->crop_current.width;
701         maxh  = dev->crop_current.height;
702
703         if (V4L2_FIELD_ANY == field) {
704                 field = (win->w.height > maxh/2)
705                         ? V4L2_FIELD_INTERLACED
706                         : V4L2_FIELD_TOP;
707         }
708         switch (field) {
709         case V4L2_FIELD_TOP:
710         case V4L2_FIELD_BOTTOM:
711                 maxh = maxh / 2;
712                 break;
713         default:
714                 field = V4L2_FIELD_INTERLACED;
715                 break;
716         }
717
718         win->field = field;
719         if (win->w.width > maxw)
720                 win->w.width = maxw;
721         if (win->w.height > maxh)
722                 win->w.height = maxh;
723         return 0;
724 }
725
726 static int start_preview(struct saa7134_dev *dev)
727 {
728         unsigned long base,control,bpl;
729         int err;
730
731         err = verify_preview(dev, &dev->win, false);
732         if (0 != err)
733                 return err;
734
735         dev->ovfield = dev->win.field;
736         video_dbg("start_preview %dx%d+%d+%d %s field=%s\n",
737                 dev->win.w.width, dev->win.w.height,
738                 dev->win.w.left, dev->win.w.top,
739                 dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
740
741         /* setup window + clipping */
742         set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
743                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
744         setup_clipping(dev, dev->clips, dev->nclips,
745                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
746         if (dev->ovfmt->yuv)
747                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
748         else
749                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
750         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
751
752         /* dma: setup channel 1 (= Video Task B) */
753         base  = (unsigned long)dev->ovbuf.base;
754         base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
755         base += dev->ovfmt->depth/8         * dev->win.w.left;
756         bpl   = dev->ovbuf.fmt.bytesperline;
757         control = SAA7134_RS_CONTROL_BURST_16;
758         if (dev->ovfmt->bswap)
759                 control |= SAA7134_RS_CONTROL_BSWAP;
760         if (dev->ovfmt->wswap)
761                 control |= SAA7134_RS_CONTROL_WSWAP;
762         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
763                 saa_writel(SAA7134_RS_BA1(1),base);
764                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
765                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
766                 saa_writel(SAA7134_RS_CONTROL(1),control);
767         } else {
768                 saa_writel(SAA7134_RS_BA1(1),base);
769                 saa_writel(SAA7134_RS_BA2(1),base);
770                 saa_writel(SAA7134_RS_PITCH(1),bpl);
771                 saa_writel(SAA7134_RS_CONTROL(1),control);
772         }
773
774         /* start dma */
775         dev->ovenable = 1;
776         saa7134_set_dmabits(dev);
777
778         return 0;
779 }
780
781 static int stop_preview(struct saa7134_dev *dev)
782 {
783         dev->ovenable = 0;
784         saa7134_set_dmabits(dev);
785         return 0;
786 }
787
788 /* ------------------------------------------------------------------ */
789
790 static int buffer_activate(struct saa7134_dev *dev,
791                            struct saa7134_buf *buf,
792                            struct saa7134_buf *next)
793 {
794         struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_queue->drv_priv;
795         unsigned long base,control,bpl;
796         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
797
798         video_dbg("buffer_activate buf=%p\n", buf);
799         buf->top_seen = 0;
800
801         set_size(dev, TASK_A, dev->width, dev->height,
802                  V4L2_FIELD_HAS_BOTH(dev->field));
803         if (dev->fmt->yuv)
804                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
805         else
806                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
807         saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
808
809         /* DMA: setup channel 0 (= Video Task A0) */
810         base  = saa7134_buffer_base(buf);
811         if (dev->fmt->planar)
812                 bpl = dev->width;
813         else
814                 bpl = (dev->width * dev->fmt->depth) / 8;
815         control = SAA7134_RS_CONTROL_BURST_16 |
816                 SAA7134_RS_CONTROL_ME |
817                 (dmaq->pt.dma >> 12);
818         if (dev->fmt->bswap)
819                 control |= SAA7134_RS_CONTROL_BSWAP;
820         if (dev->fmt->wswap)
821                 control |= SAA7134_RS_CONTROL_WSWAP;
822         if (V4L2_FIELD_HAS_BOTH(dev->field)) {
823                 /* interlaced */
824                 saa_writel(SAA7134_RS_BA1(0),base);
825                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
826                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
827         } else {
828                 /* non-interlaced */
829                 saa_writel(SAA7134_RS_BA1(0),base);
830                 saa_writel(SAA7134_RS_BA2(0),base);
831                 saa_writel(SAA7134_RS_PITCH(0),bpl);
832         }
833         saa_writel(SAA7134_RS_CONTROL(0),control);
834
835         if (dev->fmt->planar) {
836                 /* DMA: setup channel 4+5 (= planar task A) */
837                 bpl_uv   = bpl >> dev->fmt->hshift;
838                 lines_uv = dev->height >> dev->fmt->vshift;
839                 base2    = base + bpl * dev->height;
840                 base3    = base2 + bpl_uv * lines_uv;
841                 if (dev->fmt->uvswap)
842                         tmp = base2, base2 = base3, base3 = tmp;
843                 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
844                         bpl_uv,lines_uv,base2,base3);
845                 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
846                         /* interlaced */
847                         saa_writel(SAA7134_RS_BA1(4),base2);
848                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
849                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
850                         saa_writel(SAA7134_RS_BA1(5),base3);
851                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
852                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
853                 } else {
854                         /* non-interlaced */
855                         saa_writel(SAA7134_RS_BA1(4),base2);
856                         saa_writel(SAA7134_RS_BA2(4),base2);
857                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
858                         saa_writel(SAA7134_RS_BA1(5),base3);
859                         saa_writel(SAA7134_RS_BA2(5),base3);
860                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
861                 }
862                 saa_writel(SAA7134_RS_CONTROL(4),control);
863                 saa_writel(SAA7134_RS_CONTROL(5),control);
864         }
865
866         /* start DMA */
867         saa7134_set_dmabits(dev);
868         mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
869         return 0;
870 }
871
872 static int buffer_init(struct vb2_buffer *vb2)
873 {
874         struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
875         struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
876
877         dmaq->curr = NULL;
878         buf->activate = buffer_activate;
879         return 0;
880 }
881
882 static int buffer_prepare(struct vb2_buffer *vb2)
883 {
884         struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
885         struct saa7134_dev *dev = dmaq->dev;
886         struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
887         struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
888         unsigned int size;
889
890         if (dma->sgl->offset) {
891                 pr_err("The buffer is not page-aligned\n");
892                 return -EINVAL;
893         }
894         size = (dev->width * dev->height * dev->fmt->depth) >> 3;
895         if (vb2_plane_size(vb2, 0) < size)
896                 return -EINVAL;
897
898         vb2_set_plane_payload(vb2, 0, size);
899         vb2->v4l2_buf.field = dev->field;
900
901         return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
902                                     saa7134_buffer_startpage(buf));
903 }
904
905 static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
906                            unsigned int *nbuffers, unsigned int *nplanes,
907                            unsigned int sizes[], void *alloc_ctxs[])
908 {
909         struct saa7134_dmaqueue *dmaq = q->drv_priv;
910         struct saa7134_dev *dev = dmaq->dev;
911         int size = dev->fmt->depth * dev->width * dev->height >> 3;
912
913         if (dev->width    < 48 ||
914             dev->height   < 32 ||
915             dev->width/4  > dev->crop_current.width  ||
916             dev->height/4 > dev->crop_current.height ||
917             dev->width    > dev->crop_bounds.width  ||
918             dev->height   > dev->crop_bounds.height)
919                 return -EINVAL;
920
921         *nbuffers = saa7134_buffer_count(size, *nbuffers);
922         *nplanes = 1;
923         sizes[0] = size;
924         alloc_ctxs[0] = dev->alloc_ctx;
925         return 0;
926 }
927
928 /*
929  * move buffer to hardware queue
930  */
931 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
932 {
933         struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
934         struct saa7134_dev *dev = dmaq->dev;
935         struct saa7134_buf *buf = container_of(vb, struct saa7134_buf, vb2);
936
937         saa7134_buffer_queue(dev, dmaq, buf);
938 }
939 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
940
941 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
942 {
943         struct saa7134_dmaqueue *dmaq = vq->drv_priv;
944         struct saa7134_dev *dev = dmaq->dev;
945
946         /*
947          * Planar video capture and TS share the same DMA channel,
948          * so only one can be active at a time.
949          */
950         if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
951             dmaq == &dev->video_q && dev->fmt->planar) {
952                 struct saa7134_buf *buf, *tmp;
953
954                 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
955                         list_del(&buf->entry);
956                         vb2_buffer_done(&buf->vb2, VB2_BUF_STATE_QUEUED);
957                 }
958                 if (dmaq->curr) {
959                         vb2_buffer_done(&dmaq->curr->vb2, VB2_BUF_STATE_QUEUED);
960                         dmaq->curr = NULL;
961                 }
962                 return -EBUSY;
963         }
964
965         /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
966          * configured conservatively, there's 22 usec of buffering for video.
967          * We therefore request a DMA latency of 20 usec, giving us 2 usec of
968          * margin in case the FIFO is configured differently to the datasheet.
969          * Unfortunately, I lack register-level documentation to check the
970          * Linux FIFO setup and confirm the perfect value.
971          */
972         if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
973             (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
974                 pm_qos_add_request(&dev->qos_request,
975                         PM_QOS_CPU_DMA_LATENCY, 20);
976         dmaq->seq_nr = 0;
977
978         return 0;
979 }
980
981 void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
982 {
983         struct saa7134_dmaqueue *dmaq = vq->drv_priv;
984         struct saa7134_dev *dev = dmaq->dev;
985
986         saa7134_stop_streaming(dev, dmaq);
987
988         if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
989             (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
990                 pm_qos_remove_request(&dev->qos_request);
991 }
992
993 static struct vb2_ops vb2_qops = {
994         .queue_setup    = queue_setup,
995         .buf_init       = buffer_init,
996         .buf_prepare    = buffer_prepare,
997         .buf_queue      = saa7134_vb2_buffer_queue,
998         .wait_prepare   = vb2_ops_wait_prepare,
999         .wait_finish    = vb2_ops_wait_finish,
1000         .start_streaming = saa7134_vb2_start_streaming,
1001         .stop_streaming = saa7134_vb2_stop_streaming,
1002 };
1003
1004 /* ------------------------------------------------------------------ */
1005
1006 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
1007 {
1008         struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
1009         unsigned long flags;
1010         int restart_overlay = 0;
1011
1012         switch (ctrl->id) {
1013         case V4L2_CID_BRIGHTNESS:
1014                 dev->ctl_bright = ctrl->val;
1015                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
1016                 break;
1017         case V4L2_CID_HUE:
1018                 dev->ctl_hue = ctrl->val;
1019                 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
1020                 break;
1021         case V4L2_CID_CONTRAST:
1022                 dev->ctl_contrast = ctrl->val;
1023                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1024                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1025                 break;
1026         case V4L2_CID_SATURATION:
1027                 dev->ctl_saturation = ctrl->val;
1028                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1029                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1030                 break;
1031         case V4L2_CID_AUDIO_MUTE:
1032                 dev->ctl_mute = ctrl->val;
1033                 saa7134_tvaudio_setmute(dev);
1034                 break;
1035         case V4L2_CID_AUDIO_VOLUME:
1036                 dev->ctl_volume = ctrl->val;
1037                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1038                 break;
1039         case V4L2_CID_PRIVATE_INVERT:
1040                 dev->ctl_invert = ctrl->val;
1041                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1042                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1043                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1044                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1045                 break;
1046         case V4L2_CID_HFLIP:
1047                 dev->ctl_mirror = ctrl->val;
1048                 restart_overlay = 1;
1049                 break;
1050         case V4L2_CID_PRIVATE_Y_EVEN:
1051                 dev->ctl_y_even = ctrl->val;
1052                 restart_overlay = 1;
1053                 break;
1054         case V4L2_CID_PRIVATE_Y_ODD:
1055                 dev->ctl_y_odd = ctrl->val;
1056                 restart_overlay = 1;
1057                 break;
1058         case V4L2_CID_PRIVATE_AUTOMUTE:
1059         {
1060                 struct v4l2_priv_tun_config tda9887_cfg;
1061
1062                 tda9887_cfg.tuner = TUNER_TDA9887;
1063                 tda9887_cfg.priv = &dev->tda9887_conf;
1064
1065                 dev->ctl_automute = ctrl->val;
1066                 if (dev->tda9887_conf) {
1067                         if (dev->ctl_automute)
1068                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1069                         else
1070                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1071
1072                         saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1073                 }
1074                 break;
1075         }
1076         default:
1077                 return -EINVAL;
1078         }
1079         if (restart_overlay && dev->overlay_owner) {
1080                 spin_lock_irqsave(&dev->slock, flags);
1081                 stop_preview(dev);
1082                 start_preview(dev);
1083                 spin_unlock_irqrestore(&dev->slock, flags);
1084         }
1085         return 0;
1086 }
1087
1088 /* ------------------------------------------------------------------ */
1089
1090 static int video_open(struct file *file)
1091 {
1092         struct video_device *vdev = video_devdata(file);
1093         struct saa7134_dev *dev = video_drvdata(file);
1094         int ret = v4l2_fh_open(file);
1095
1096         if (ret < 0)
1097                 return ret;
1098
1099         mutex_lock(&dev->lock);
1100         if (vdev->vfl_type == VFL_TYPE_RADIO) {
1101                 /* switch to radio mode */
1102                 saa7134_tvaudio_setinput(dev, &card(dev).radio);
1103                 saa_call_all(dev, tuner, s_radio);
1104         } else {
1105                 /* switch to video/vbi mode */
1106                 video_mux(dev, dev->ctl_input);
1107         }
1108         mutex_unlock(&dev->lock);
1109
1110         return 0;
1111 }
1112
1113 static int video_release(struct file *file)
1114 {
1115         struct video_device *vdev = video_devdata(file);
1116         struct saa7134_dev *dev = video_drvdata(file);
1117         struct v4l2_fh *fh = file->private_data;
1118         struct saa6588_command cmd;
1119         unsigned long flags;
1120
1121         mutex_lock(&dev->lock);
1122         saa7134_tvaudio_close(dev);
1123
1124         /* turn off overlay */
1125         if (fh == dev->overlay_owner) {
1126                 spin_lock_irqsave(&dev->slock,flags);
1127                 stop_preview(dev);
1128                 spin_unlock_irqrestore(&dev->slock,flags);
1129                 dev->overlay_owner = NULL;
1130         }
1131
1132         if (vdev->vfl_type == VFL_TYPE_RADIO)
1133                 v4l2_fh_release(file);
1134         else
1135                 _vb2_fop_release(file, NULL);
1136
1137         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1138         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1139         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1140         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1141         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1142
1143         saa_call_all(dev, core, s_power, 0);
1144         if (vdev->vfl_type == VFL_TYPE_RADIO)
1145                 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1146         mutex_unlock(&dev->lock);
1147
1148         return 0;
1149 }
1150
1151 static ssize_t radio_read(struct file *file, char __user *data,
1152                          size_t count, loff_t *ppos)
1153 {
1154         struct saa7134_dev *dev = video_drvdata(file);
1155         struct saa6588_command cmd;
1156
1157         cmd.block_count = count/3;
1158         cmd.nonblocking = file->f_flags & O_NONBLOCK;
1159         cmd.buffer = data;
1160         cmd.instance = file;
1161         cmd.result = -ENODEV;
1162
1163         mutex_lock(&dev->lock);
1164         saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1165         mutex_unlock(&dev->lock);
1166
1167         return cmd.result;
1168 }
1169
1170 static unsigned int radio_poll(struct file *file, poll_table *wait)
1171 {
1172         struct saa7134_dev *dev = video_drvdata(file);
1173         struct saa6588_command cmd;
1174         unsigned int rc = v4l2_ctrl_poll(file, wait);
1175
1176         cmd.instance = file;
1177         cmd.event_list = wait;
1178         cmd.result = 0;
1179         mutex_lock(&dev->lock);
1180         saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1181         mutex_unlock(&dev->lock);
1182
1183         return rc | cmd.result;
1184 }
1185
1186 /* ------------------------------------------------------------------ */
1187
1188 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1189                                                 struct v4l2_format *f)
1190 {
1191         struct saa7134_dev *dev = video_drvdata(file);
1192         struct saa7134_tvnorm *norm = dev->tvnorm;
1193
1194         memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1195         f->fmt.vbi.sampling_rate = 6750000 * 4;
1196         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1197         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1198         f->fmt.vbi.offset = 64 * 4;
1199         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1200         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1201         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1202         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1203         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1204
1205         return 0;
1206 }
1207
1208 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1209                                 struct v4l2_format *f)
1210 {
1211         struct saa7134_dev *dev = video_drvdata(file);
1212
1213         f->fmt.pix.width        = dev->width;
1214         f->fmt.pix.height       = dev->height;
1215         f->fmt.pix.field        = dev->field;
1216         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
1217         f->fmt.pix.bytesperline =
1218                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1219         f->fmt.pix.sizeimage =
1220                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1221         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1222         return 0;
1223 }
1224
1225 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1226                                 struct v4l2_format *f)
1227 {
1228         struct saa7134_dev *dev = video_drvdata(file);
1229         struct v4l2_clip __user *clips = f->fmt.win.clips;
1230         u32 clipcount = f->fmt.win.clipcount;
1231         int err = 0;
1232         int i;
1233
1234         if (saa7134_no_overlay > 0) {
1235                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1236                 return -EINVAL;
1237         }
1238         f->fmt.win = dev->win;
1239         f->fmt.win.clips = clips;
1240         if (clips == NULL)
1241                 clipcount = 0;
1242         if (dev->nclips < clipcount)
1243                 clipcount = dev->nclips;
1244         f->fmt.win.clipcount = clipcount;
1245
1246         for (i = 0; !err && i < clipcount; i++) {
1247                 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1248                                         sizeof(struct v4l2_rect)))
1249                         err = -EFAULT;
1250         }
1251
1252         return err;
1253 }
1254
1255 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1256                                                 struct v4l2_format *f)
1257 {
1258         struct saa7134_dev *dev = video_drvdata(file);
1259         struct saa7134_format *fmt;
1260         enum v4l2_field field;
1261         unsigned int maxw, maxh;
1262
1263         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1264         if (NULL == fmt)
1265                 return -EINVAL;
1266
1267         field = f->fmt.pix.field;
1268         maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1269         maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1270
1271         if (V4L2_FIELD_ANY == field) {
1272                 field = (f->fmt.pix.height > maxh/2)
1273                         ? V4L2_FIELD_INTERLACED
1274                         : V4L2_FIELD_BOTTOM;
1275         }
1276         switch (field) {
1277         case V4L2_FIELD_TOP:
1278         case V4L2_FIELD_BOTTOM:
1279                 maxh = maxh / 2;
1280                 break;
1281         default:
1282                 field = V4L2_FIELD_INTERLACED;
1283                 break;
1284         }
1285
1286         f->fmt.pix.field = field;
1287         if (f->fmt.pix.width  < 48)
1288                 f->fmt.pix.width  = 48;
1289         if (f->fmt.pix.height < 32)
1290                 f->fmt.pix.height = 32;
1291         if (f->fmt.pix.width > maxw)
1292                 f->fmt.pix.width = maxw;
1293         if (f->fmt.pix.height > maxh)
1294                 f->fmt.pix.height = maxh;
1295         f->fmt.pix.width &= ~0x03;
1296         f->fmt.pix.bytesperline =
1297                 (f->fmt.pix.width * fmt->depth) >> 3;
1298         f->fmt.pix.sizeimage =
1299                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1300         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
1301
1302         return 0;
1303 }
1304
1305 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1306                                                 struct v4l2_format *f)
1307 {
1308         struct saa7134_dev *dev = video_drvdata(file);
1309
1310         if (saa7134_no_overlay > 0) {
1311                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1312                 return -EINVAL;
1313         }
1314
1315         if (f->fmt.win.clips == NULL)
1316                 f->fmt.win.clipcount = 0;
1317         return verify_preview(dev, &f->fmt.win, true);
1318 }
1319
1320 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1321                                         struct v4l2_format *f)
1322 {
1323         struct saa7134_dev *dev = video_drvdata(file);
1324         int err;
1325
1326         err = saa7134_try_fmt_vid_cap(file, priv, f);
1327         if (0 != err)
1328                 return err;
1329
1330         dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1331         dev->width = f->fmt.pix.width;
1332         dev->height = f->fmt.pix.height;
1333         dev->field = f->fmt.pix.field;
1334         return 0;
1335 }
1336
1337 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1338                                         struct v4l2_format *f)
1339 {
1340         struct saa7134_dev *dev = video_drvdata(file);
1341         int err;
1342         unsigned long flags;
1343
1344         if (saa7134_no_overlay > 0) {
1345                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1346                 return -EINVAL;
1347         }
1348         if (f->fmt.win.clips == NULL)
1349                 f->fmt.win.clipcount = 0;
1350         err = verify_preview(dev, &f->fmt.win, true);
1351         if (0 != err)
1352                 return err;
1353
1354         dev->win    = f->fmt.win;
1355         dev->nclips = f->fmt.win.clipcount;
1356
1357         if (copy_from_user(dev->clips, f->fmt.win.clips,
1358                            sizeof(struct v4l2_clip) * dev->nclips))
1359                 return -EFAULT;
1360
1361         if (priv == dev->overlay_owner) {
1362                 spin_lock_irqsave(&dev->slock, flags);
1363                 stop_preview(dev);
1364                 start_preview(dev);
1365                 spin_unlock_irqrestore(&dev->slock, flags);
1366         }
1367
1368         return 0;
1369 }
1370
1371 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1372 {
1373         struct saa7134_dev *dev = video_drvdata(file);
1374         unsigned int n;
1375
1376         n = i->index;
1377         if (n >= SAA7134_INPUT_MAX)
1378                 return -EINVAL;
1379         if (NULL == card_in(dev, i->index).name)
1380                 return -EINVAL;
1381         i->index = n;
1382         i->type  = V4L2_INPUT_TYPE_CAMERA;
1383         strcpy(i->name, card_in(dev, n).name);
1384         if (card_in(dev, n).tv)
1385                 i->type = V4L2_INPUT_TYPE_TUNER;
1386         if (n == dev->ctl_input) {
1387                 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1388                 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1389
1390                 if (0 != (v1 & 0x40))
1391                         i->status |= V4L2_IN_ST_NO_H_LOCK;
1392                 if (0 != (v2 & 0x40))
1393                         i->status |= V4L2_IN_ST_NO_SIGNAL;
1394                 if (0 != (v2 & 0x0e))
1395                         i->status |= V4L2_IN_ST_MACROVISION;
1396         }
1397         i->std = SAA7134_NORMS;
1398         return 0;
1399 }
1400 EXPORT_SYMBOL_GPL(saa7134_enum_input);
1401
1402 int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1403 {
1404         struct saa7134_dev *dev = video_drvdata(file);
1405
1406         *i = dev->ctl_input;
1407         return 0;
1408 }
1409 EXPORT_SYMBOL_GPL(saa7134_g_input);
1410
1411 int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1412 {
1413         struct saa7134_dev *dev = video_drvdata(file);
1414
1415         if (i >= SAA7134_INPUT_MAX)
1416                 return -EINVAL;
1417         if (NULL == card_in(dev, i).name)
1418                 return -EINVAL;
1419         video_mux(dev, i);
1420         return 0;
1421 }
1422 EXPORT_SYMBOL_GPL(saa7134_s_input);
1423
1424 int saa7134_querycap(struct file *file, void *priv,
1425                                         struct v4l2_capability *cap)
1426 {
1427         struct saa7134_dev *dev = video_drvdata(file);
1428         struct video_device *vdev = video_devdata(file);
1429         u32 radio_caps, video_caps, vbi_caps;
1430
1431         unsigned int tuner_type = dev->tuner_type;
1432
1433         strcpy(cap->driver, "saa7134");
1434         strlcpy(cap->card, saa7134_boards[dev->board].name,
1435                 sizeof(cap->card));
1436         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1437
1438         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1439         if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1440                 cap->device_caps |= V4L2_CAP_TUNER;
1441
1442         radio_caps = V4L2_CAP_RADIO;
1443         if (dev->has_rds)
1444                 radio_caps |= V4L2_CAP_RDS_CAPTURE;
1445
1446         video_caps = V4L2_CAP_VIDEO_CAPTURE;
1447         if (saa7134_no_overlay <= 0 && !is_empress(file))
1448                 video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1449
1450         vbi_caps = V4L2_CAP_VBI_CAPTURE;
1451
1452         switch (vdev->vfl_type) {
1453         case VFL_TYPE_RADIO:
1454                 cap->device_caps |= radio_caps;
1455                 break;
1456         case VFL_TYPE_GRABBER:
1457                 cap->device_caps |= video_caps;
1458                 break;
1459         case VFL_TYPE_VBI:
1460                 cap->device_caps |= vbi_caps;
1461                 break;
1462         }
1463         cap->capabilities = radio_caps | video_caps | vbi_caps |
1464                 cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1465         if (vdev->vfl_type == VFL_TYPE_RADIO) {
1466                 cap->device_caps &= ~V4L2_CAP_STREAMING;
1467                 if (!dev->has_rds)
1468                         cap->device_caps &= ~V4L2_CAP_READWRITE;
1469         }
1470
1471         return 0;
1472 }
1473 EXPORT_SYMBOL_GPL(saa7134_querycap);
1474
1475 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1476 {
1477         struct saa7134_dev *dev = video_drvdata(file);
1478         struct v4l2_fh *fh = priv;
1479         unsigned long flags;
1480         unsigned int i;
1481         v4l2_std_id fixup;
1482
1483         if (is_empress(file) && dev->overlay_owner) {
1484                 /* Don't change the std from the mpeg device
1485                    if overlay is active. */
1486                 return -EBUSY;
1487         }
1488
1489         for (i = 0; i < TVNORMS; i++)
1490                 if (id == tvnorms[i].id)
1491                         break;
1492
1493         if (i == TVNORMS)
1494                 for (i = 0; i < TVNORMS; i++)
1495                         if (id & tvnorms[i].id)
1496                                 break;
1497         if (i == TVNORMS)
1498                 return -EINVAL;
1499
1500         if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1501                 if (secam[0] == 'L' || secam[0] == 'l') {
1502                         if (secam[1] == 'C' || secam[1] == 'c')
1503                                 fixup = V4L2_STD_SECAM_LC;
1504                         else
1505                                 fixup = V4L2_STD_SECAM_L;
1506                 } else {
1507                         if (secam[0] == 'D' || secam[0] == 'd')
1508                                 fixup = V4L2_STD_SECAM_DK;
1509                         else
1510                                 fixup = V4L2_STD_SECAM;
1511                 }
1512                 for (i = 0; i < TVNORMS; i++) {
1513                         if (fixup == tvnorms[i].id)
1514                                 break;
1515                 }
1516                 if (i == TVNORMS)
1517                         return -EINVAL;
1518         }
1519
1520         id = tvnorms[i].id;
1521
1522         if (!is_empress(file) && fh == dev->overlay_owner) {
1523                 spin_lock_irqsave(&dev->slock, flags);
1524                 stop_preview(dev);
1525                 spin_unlock_irqrestore(&dev->slock, flags);
1526
1527                 set_tvnorm(dev, &tvnorms[i]);
1528
1529                 spin_lock_irqsave(&dev->slock, flags);
1530                 start_preview(dev);
1531                 spin_unlock_irqrestore(&dev->slock, flags);
1532         } else
1533                 set_tvnorm(dev, &tvnorms[i]);
1534
1535         saa7134_tvaudio_do_scan(dev);
1536         return 0;
1537 }
1538 EXPORT_SYMBOL_GPL(saa7134_s_std);
1539
1540 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1541 {
1542         struct saa7134_dev *dev = video_drvdata(file);
1543
1544         *id = dev->tvnorm->id;
1545         return 0;
1546 }
1547 EXPORT_SYMBOL_GPL(saa7134_g_std);
1548
1549 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1550 {
1551         static v4l2_std_id stds[] = {
1552                 V4L2_STD_UNKNOWN,
1553                 V4L2_STD_NTSC,
1554                 V4L2_STD_PAL,
1555                 V4L2_STD_SECAM };
1556
1557         v4l2_std_id result = 0;
1558
1559         u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1560         u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1561
1562         if (!(st2 & 0x1)) /* RDCAP == 0 */
1563                 result = V4L2_STD_UNKNOWN;
1564         else
1565                 result = stds[st1 & 0x03];
1566
1567         return result;
1568 }
1569
1570 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1571 {
1572         struct saa7134_dev *dev = video_drvdata(file);
1573         *std &= saa7134_read_std(dev);
1574         return 0;
1575 }
1576 EXPORT_SYMBOL_GPL(saa7134_querystd);
1577
1578 static int saa7134_cropcap(struct file *file, void *priv,
1579                                         struct v4l2_cropcap *cap)
1580 {
1581         struct saa7134_dev *dev = video_drvdata(file);
1582
1583         if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1584             cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1585                 return -EINVAL;
1586         cap->bounds  = dev->crop_bounds;
1587         cap->defrect = dev->crop_defrect;
1588         cap->pixelaspect.numerator   = 1;
1589         cap->pixelaspect.denominator = 1;
1590         if (dev->tvnorm->id & V4L2_STD_525_60) {
1591                 cap->pixelaspect.numerator   = 11;
1592                 cap->pixelaspect.denominator = 10;
1593         }
1594         if (dev->tvnorm->id & V4L2_STD_625_50) {
1595                 cap->pixelaspect.numerator   = 54;
1596                 cap->pixelaspect.denominator = 59;
1597         }
1598         return 0;
1599 }
1600
1601 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1602 {
1603         struct saa7134_dev *dev = video_drvdata(file);
1604
1605         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1606             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1607                 return -EINVAL;
1608         crop->c = dev->crop_current;
1609         return 0;
1610 }
1611
1612 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
1613 {
1614         struct saa7134_dev *dev = video_drvdata(file);
1615         struct v4l2_rect *b = &dev->crop_bounds;
1616         struct v4l2_rect *c = &dev->crop_current;
1617
1618         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1619             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1620                 return -EINVAL;
1621
1622         if (dev->overlay_owner)
1623                 return -EBUSY;
1624         if (vb2_is_streaming(&dev->video_vbq))
1625                 return -EBUSY;
1626
1627         *c = crop->c;
1628         if (c->top < b->top)
1629                 c->top = b->top;
1630         if (c->top > b->top + b->height)
1631                 c->top = b->top + b->height;
1632         if (c->height > b->top - c->top + b->height)
1633                 c->height = b->top - c->top + b->height;
1634
1635         if (c->left < b->left)
1636                 c->left = b->left;
1637         if (c->left > b->left + b->width)
1638                 c->left = b->left + b->width;
1639         if (c->width > b->left - c->left + b->width)
1640                 c->width = b->left - c->left + b->width;
1641         return 0;
1642 }
1643
1644 int saa7134_g_tuner(struct file *file, void *priv,
1645                                         struct v4l2_tuner *t)
1646 {
1647         struct saa7134_dev *dev = video_drvdata(file);
1648         int n;
1649
1650         if (0 != t->index)
1651                 return -EINVAL;
1652         memset(t, 0, sizeof(*t));
1653         for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1654                 if (card_in(dev, n).tv)
1655                         break;
1656         }
1657         if (n == SAA7134_INPUT_MAX)
1658                 return -EINVAL;
1659         if (NULL != card_in(dev, n).name) {
1660                 strcpy(t->name, "Television");
1661                 t->type = V4L2_TUNER_ANALOG_TV;
1662                 saa_call_all(dev, tuner, g_tuner, t);
1663                 t->capability = V4L2_TUNER_CAP_NORM |
1664                         V4L2_TUNER_CAP_STEREO |
1665                         V4L2_TUNER_CAP_LANG1 |
1666                         V4L2_TUNER_CAP_LANG2;
1667                 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1668                 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1669         }
1670         if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1671                 t->signal = 0xffff;
1672         return 0;
1673 }
1674 EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1675
1676 int saa7134_s_tuner(struct file *file, void *priv,
1677                                         const struct v4l2_tuner *t)
1678 {
1679         struct saa7134_dev *dev = video_drvdata(file);
1680         int rx, mode;
1681
1682         if (0 != t->index)
1683                 return -EINVAL;
1684
1685         mode = dev->thread.mode;
1686         if (UNSET == mode) {
1687                 rx   = saa7134_tvaudio_getstereo(dev);
1688                 mode = saa7134_tvaudio_rx2mode(rx);
1689         }
1690         if (mode != t->audmode)
1691                 dev->thread.mode = t->audmode;
1692
1693         return 0;
1694 }
1695 EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1696
1697 int saa7134_g_frequency(struct file *file, void *priv,
1698                                         struct v4l2_frequency *f)
1699 {
1700         struct saa7134_dev *dev = video_drvdata(file);
1701
1702         if (0 != f->tuner)
1703                 return -EINVAL;
1704
1705         saa_call_all(dev, tuner, g_frequency, f);
1706
1707         return 0;
1708 }
1709 EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1710
1711 int saa7134_s_frequency(struct file *file, void *priv,
1712                                         const struct v4l2_frequency *f)
1713 {
1714         struct saa7134_dev *dev = video_drvdata(file);
1715
1716         if (0 != f->tuner)
1717                 return -EINVAL;
1718
1719         saa_call_all(dev, tuner, s_frequency, f);
1720
1721         saa7134_tvaudio_do_scan(dev);
1722         return 0;
1723 }
1724 EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1725
1726 static int saa7134_enum_fmt_vid_cap(struct file *file, void  *priv,
1727                                         struct v4l2_fmtdesc *f)
1728 {
1729         if (f->index >= FORMATS)
1730                 return -EINVAL;
1731
1732         strlcpy(f->description, formats[f->index].name,
1733                 sizeof(f->description));
1734
1735         f->pixelformat = formats[f->index].fourcc;
1736
1737         return 0;
1738 }
1739
1740 static int saa7134_enum_fmt_vid_overlay(struct file *file, void  *priv,
1741                                         struct v4l2_fmtdesc *f)
1742 {
1743         if (saa7134_no_overlay > 0) {
1744                 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1745                 return -EINVAL;
1746         }
1747
1748         if ((f->index >= FORMATS) || formats[f->index].planar)
1749                 return -EINVAL;
1750
1751         strlcpy(f->description, formats[f->index].name,
1752                 sizeof(f->description));
1753
1754         f->pixelformat = formats[f->index].fourcc;
1755
1756         return 0;
1757 }
1758
1759 static int saa7134_g_fbuf(struct file *file, void *f,
1760                                 struct v4l2_framebuffer *fb)
1761 {
1762         struct saa7134_dev *dev = video_drvdata(file);
1763
1764         *fb = dev->ovbuf;
1765         fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1766
1767         return 0;
1768 }
1769
1770 static int saa7134_s_fbuf(struct file *file, void *f,
1771                                         const struct v4l2_framebuffer *fb)
1772 {
1773         struct saa7134_dev *dev = video_drvdata(file);
1774         struct saa7134_format *fmt;
1775
1776         if (!capable(CAP_SYS_ADMIN) &&
1777            !capable(CAP_SYS_RAWIO))
1778                 return -EPERM;
1779
1780         /* check args */
1781         fmt = format_by_fourcc(fb->fmt.pixelformat);
1782         if (NULL == fmt)
1783                 return -EINVAL;
1784
1785         /* ok, accept it */
1786         dev->ovbuf = *fb;
1787         dev->ovfmt = fmt;
1788         if (0 == dev->ovbuf.fmt.bytesperline)
1789                 dev->ovbuf.fmt.bytesperline =
1790                         dev->ovbuf.fmt.width*fmt->depth/8;
1791         return 0;
1792 }
1793
1794 static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
1795 {
1796         struct saa7134_dev *dev = video_drvdata(file);
1797         unsigned long flags;
1798
1799         if (on) {
1800                 if (saa7134_no_overlay > 0) {
1801                         video_dbg("no_overlay\n");
1802                         return -EINVAL;
1803                 }
1804
1805                 if (dev->overlay_owner && priv != dev->overlay_owner)
1806                         return -EBUSY;
1807                 dev->overlay_owner = priv;
1808                 spin_lock_irqsave(&dev->slock, flags);
1809                 start_preview(dev);
1810                 spin_unlock_irqrestore(&dev->slock, flags);
1811         }
1812         if (!on) {
1813                 if (priv != dev->overlay_owner)
1814                         return -EINVAL;
1815                 spin_lock_irqsave(&dev->slock, flags);
1816                 stop_preview(dev);
1817                 spin_unlock_irqrestore(&dev->slock, flags);
1818                 dev->overlay_owner = NULL;
1819         }
1820         return 0;
1821 }
1822
1823 #ifdef CONFIG_VIDEO_ADV_DEBUG
1824 static int vidioc_g_register (struct file *file, void *priv,
1825                               struct v4l2_dbg_register *reg)
1826 {
1827         struct saa7134_dev *dev = video_drvdata(file);
1828
1829         reg->val = saa_readb(reg->reg & 0xffffff);
1830         reg->size = 1;
1831         return 0;
1832 }
1833
1834 static int vidioc_s_register (struct file *file, void *priv,
1835                                 const struct v4l2_dbg_register *reg)
1836 {
1837         struct saa7134_dev *dev = video_drvdata(file);
1838
1839         saa_writeb(reg->reg & 0xffffff, reg->val);
1840         return 0;
1841 }
1842 #endif
1843
1844 static int radio_g_tuner(struct file *file, void *priv,
1845                                         struct v4l2_tuner *t)
1846 {
1847         struct saa7134_dev *dev = video_drvdata(file);
1848
1849         if (0 != t->index)
1850                 return -EINVAL;
1851
1852         strcpy(t->name, "Radio");
1853
1854         saa_call_all(dev, tuner, g_tuner, t);
1855         t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1856         if (dev->input->amux == TV) {
1857                 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1858                 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1859                                 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1860         }
1861         return 0;
1862 }
1863 static int radio_s_tuner(struct file *file, void *priv,
1864                                         const struct v4l2_tuner *t)
1865 {
1866         struct saa7134_dev *dev = video_drvdata(file);
1867
1868         if (0 != t->index)
1869                 return -EINVAL;
1870
1871         saa_call_all(dev, tuner, s_tuner, t);
1872         return 0;
1873 }
1874
1875 static const struct v4l2_file_operations video_fops =
1876 {
1877         .owner    = THIS_MODULE,
1878         .open     = video_open,
1879         .release  = video_release,
1880         .read     = vb2_fop_read,
1881         .poll     = vb2_fop_poll,
1882         .mmap     = vb2_fop_mmap,
1883         .unlocked_ioctl   = video_ioctl2,
1884 };
1885
1886 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1887         .vidioc_querycap                = saa7134_querycap,
1888         .vidioc_enum_fmt_vid_cap        = saa7134_enum_fmt_vid_cap,
1889         .vidioc_g_fmt_vid_cap           = saa7134_g_fmt_vid_cap,
1890         .vidioc_try_fmt_vid_cap         = saa7134_try_fmt_vid_cap,
1891         .vidioc_s_fmt_vid_cap           = saa7134_s_fmt_vid_cap,
1892         .vidioc_enum_fmt_vid_overlay    = saa7134_enum_fmt_vid_overlay,
1893         .vidioc_g_fmt_vid_overlay       = saa7134_g_fmt_vid_overlay,
1894         .vidioc_try_fmt_vid_overlay     = saa7134_try_fmt_vid_overlay,
1895         .vidioc_s_fmt_vid_overlay       = saa7134_s_fmt_vid_overlay,
1896         .vidioc_g_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1897         .vidioc_try_fmt_vbi_cap         = saa7134_try_get_set_fmt_vbi_cap,
1898         .vidioc_s_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
1899         .vidioc_cropcap                 = saa7134_cropcap,
1900         .vidioc_reqbufs                 = vb2_ioctl_reqbufs,
1901         .vidioc_querybuf                = vb2_ioctl_querybuf,
1902         .vidioc_qbuf                    = vb2_ioctl_qbuf,
1903         .vidioc_dqbuf                   = vb2_ioctl_dqbuf,
1904         .vidioc_s_std                   = saa7134_s_std,
1905         .vidioc_g_std                   = saa7134_g_std,
1906         .vidioc_querystd                = saa7134_querystd,
1907         .vidioc_enum_input              = saa7134_enum_input,
1908         .vidioc_g_input                 = saa7134_g_input,
1909         .vidioc_s_input                 = saa7134_s_input,
1910         .vidioc_streamon                = vb2_ioctl_streamon,
1911         .vidioc_streamoff               = vb2_ioctl_streamoff,
1912         .vidioc_g_tuner                 = saa7134_g_tuner,
1913         .vidioc_s_tuner                 = saa7134_s_tuner,
1914         .vidioc_g_crop                  = saa7134_g_crop,
1915         .vidioc_s_crop                  = saa7134_s_crop,
1916         .vidioc_g_fbuf                  = saa7134_g_fbuf,
1917         .vidioc_s_fbuf                  = saa7134_s_fbuf,
1918         .vidioc_overlay                 = saa7134_overlay,
1919         .vidioc_g_frequency             = saa7134_g_frequency,
1920         .vidioc_s_frequency             = saa7134_s_frequency,
1921 #ifdef CONFIG_VIDEO_ADV_DEBUG
1922         .vidioc_g_register              = vidioc_g_register,
1923         .vidioc_s_register              = vidioc_s_register,
1924 #endif
1925         .vidioc_log_status              = v4l2_ctrl_log_status,
1926         .vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
1927         .vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
1928 };
1929
1930 static const struct v4l2_file_operations radio_fops = {
1931         .owner    = THIS_MODULE,
1932         .open     = video_open,
1933         .read     = radio_read,
1934         .release  = video_release,
1935         .unlocked_ioctl = video_ioctl2,
1936         .poll     = radio_poll,
1937 };
1938
1939 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1940         .vidioc_querycap        = saa7134_querycap,
1941         .vidioc_g_tuner         = radio_g_tuner,
1942         .vidioc_s_tuner         = radio_s_tuner,
1943         .vidioc_g_frequency     = saa7134_g_frequency,
1944         .vidioc_s_frequency     = saa7134_s_frequency,
1945         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1946         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1947 };
1948
1949 /* ----------------------------------------------------------- */
1950 /* exported stuff                                              */
1951
1952 struct video_device saa7134_video_template = {
1953         .name                           = "saa7134-video",
1954         .fops                           = &video_fops,
1955         .ioctl_ops                      = &video_ioctl_ops,
1956         .tvnorms                        = SAA7134_NORMS,
1957 };
1958
1959 struct video_device saa7134_radio_template = {
1960         .name                   = "saa7134-radio",
1961         .fops                   = &radio_fops,
1962         .ioctl_ops              = &radio_ioctl_ops,
1963 };
1964
1965 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
1966         .s_ctrl = saa7134_s_ctrl,
1967 };
1968
1969 static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
1970         .ops = &saa7134_ctrl_ops,
1971         .id = V4L2_CID_PRIVATE_INVERT,
1972         .name = "Invert",
1973         .type = V4L2_CTRL_TYPE_BOOLEAN,
1974         .min = 0,
1975         .max = 1,
1976         .step = 1,
1977 };
1978
1979 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
1980         .ops = &saa7134_ctrl_ops,
1981         .id = V4L2_CID_PRIVATE_Y_ODD,
1982         .name = "Y Offset Odd Field",
1983         .type = V4L2_CTRL_TYPE_INTEGER,
1984         .min = 0,
1985         .max = 128,
1986         .step = 1,
1987 };
1988
1989 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
1990         .ops = &saa7134_ctrl_ops,
1991         .id = V4L2_CID_PRIVATE_Y_EVEN,
1992         .name = "Y Offset Even Field",
1993         .type = V4L2_CTRL_TYPE_INTEGER,
1994         .min = 0,
1995         .max = 128,
1996         .step = 1,
1997 };
1998
1999 static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
2000         .ops = &saa7134_ctrl_ops,
2001         .id = V4L2_CID_PRIVATE_AUTOMUTE,
2002         .name = "Automute",
2003         .type = V4L2_CTRL_TYPE_BOOLEAN,
2004         .min = 0,
2005         .max = 1,
2006         .step = 1,
2007         .def = 1,
2008 };
2009
2010 int saa7134_video_init1(struct saa7134_dev *dev)
2011 {
2012         struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
2013         struct vb2_queue *q;
2014         int ret;
2015
2016         /* sanitycheck insmod options */
2017         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2018                 gbuffers = 2;
2019         if (gbufsize > gbufsize_max)
2020                 gbufsize = gbufsize_max;
2021         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2022
2023         v4l2_ctrl_handler_init(hdl, 11);
2024         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2025                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2026         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2027                         V4L2_CID_CONTRAST, 0, 127, 1, 68);
2028         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2029                         V4L2_CID_SATURATION, 0, 127, 1, 64);
2030         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2031                         V4L2_CID_HUE, -128, 127, 1, 0);
2032         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2033                         V4L2_CID_HFLIP, 0, 1, 1, 0);
2034         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2035                         V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
2036         v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2037                         V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
2038         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
2039         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
2040         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
2041         v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
2042         if (hdl->error)
2043                 return hdl->error;
2044         if (card_has_radio(dev)) {
2045                 hdl = &dev->radio_ctrl_handler;
2046                 v4l2_ctrl_handler_init(hdl, 2);
2047                 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2048                                 v4l2_ctrl_radio_filter);
2049                 if (hdl->error)
2050                         return hdl->error;
2051         }
2052         dev->ctl_mute       = 1;
2053
2054         if (dev->tda9887_conf && saa7134_ctrl_automute.def)
2055                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2056         dev->automute       = 0;
2057
2058         INIT_LIST_HEAD(&dev->video_q.queue);
2059         init_timer(&dev->video_q.timeout);
2060         dev->video_q.timeout.function = saa7134_buffer_timeout;
2061         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2062         dev->video_q.dev              = dev;
2063         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2064         dev->width    = 720;
2065         dev->height   = 576;
2066         dev->field = V4L2_FIELD_INTERLACED;
2067         dev->win.w.width = dev->width;
2068         dev->win.w.height = dev->height;
2069         dev->win.field = V4L2_FIELD_INTERLACED;
2070         dev->ovbuf.fmt.width = dev->width;
2071         dev->ovbuf.fmt.height = dev->height;
2072         dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2073         dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2074
2075         if (saa7134_boards[dev->board].video_out)
2076                 saa7134_videoport_init(dev);
2077
2078         q = &dev->video_vbq;
2079         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2080         /*
2081          * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
2082          * engine cannot handle transfers that do not start at the beginning
2083          * of a page. A user-provided pointer can start anywhere in a page, so
2084          * USERPTR support is a no-go unless the application knows about these
2085          * limitations and has special support for this.
2086          */
2087         q->io_modes = VB2_MMAP | VB2_READ;
2088         if (saa7134_userptr)
2089                 q->io_modes |= VB2_USERPTR;
2090         q->drv_priv = &dev->video_q;
2091         q->ops = &vb2_qops;
2092         q->gfp_flags = GFP_DMA32;
2093         q->mem_ops = &vb2_dma_sg_memops;
2094         q->buf_struct_size = sizeof(struct saa7134_buf);
2095         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2096         q->lock = &dev->lock;
2097         ret = vb2_queue_init(q);
2098         if (ret)
2099                 return ret;
2100         saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
2101
2102         q = &dev->vbi_vbq;
2103         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
2104         /* Don't add VB2_USERPTR, see comment above */
2105         q->io_modes = VB2_MMAP | VB2_READ;
2106         if (saa7134_userptr)
2107                 q->io_modes |= VB2_USERPTR;
2108         q->drv_priv = &dev->vbi_q;
2109         q->ops = &saa7134_vbi_qops;
2110         q->gfp_flags = GFP_DMA32;
2111         q->mem_ops = &vb2_dma_sg_memops;
2112         q->buf_struct_size = sizeof(struct saa7134_buf);
2113         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2114         q->lock = &dev->lock;
2115         ret = vb2_queue_init(q);
2116         if (ret)
2117                 return ret;
2118         saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
2119
2120         return 0;
2121 }
2122
2123 void saa7134_video_fini(struct saa7134_dev *dev)
2124 {
2125         /* free stuff */
2126         vb2_queue_release(&dev->video_vbq);
2127         saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
2128         vb2_queue_release(&dev->vbi_vbq);
2129         saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
2130         v4l2_ctrl_handler_free(&dev->ctrl_handler);
2131         if (card_has_radio(dev))
2132                 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
2133 }
2134
2135 int saa7134_videoport_init(struct saa7134_dev *dev)
2136 {
2137         /* enable video output */
2138         int vo = saa7134_boards[dev->board].video_out;
2139         int video_reg;
2140         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2141
2142         /* Configure videoport */
2143         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2144         video_reg = video_out[vo][1];
2145         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2146                 video_reg &= ~VP_T_CODE_P_INVERTED;
2147         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2148         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2149         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2150         video_reg = video_out[vo][5];
2151         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2152                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2153         if (vid_port_opts & SET_CLOCK_INVERTED)
2154                 video_reg |= VP_CLK_CTRL1_INVERTED;
2155         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2156         video_reg = video_out[vo][6];
2157         if (vid_port_opts & SET_VSYNC_OFF) {
2158                 video_reg &= ~VP_VS_TYPE_MASK;
2159                 video_reg |= VP_VS_TYPE_OFF;
2160         }
2161         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2162         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2163         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2164
2165         /* Start videoport */
2166         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2167
2168         return 0;
2169 }
2170
2171 int saa7134_video_init2(struct saa7134_dev *dev)
2172 {
2173         /* init video hw */
2174         set_tvnorm(dev,&tvnorms[0]);
2175         video_mux(dev,0);
2176         v4l2_ctrl_handler_setup(&dev->ctrl_handler);
2177         saa7134_tvaudio_setmute(dev);
2178         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2179         return 0;
2180 }
2181
2182 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2183 {
2184         static const char *st[] = {
2185                 "(no signal)", "NTSC", "PAL", "SECAM" };
2186         u32 st1,st2;
2187
2188         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2189         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2190         video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n",
2191                 (st1 & 0x40) ? "not locked" : "locked",
2192                 (st2 & 0x40) ? "no"         : "yes",
2193                 st[st1 & 0x03]);
2194         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2195
2196         if (dev->nosignal) {
2197                 /* no video signal -> mute audio */
2198                 if (dev->ctl_automute)
2199                         dev->automute = 1;
2200                 saa7134_tvaudio_setmute(dev);
2201         } else {
2202                 /* wake up tvaudio audio carrier scan thread */
2203                 saa7134_tvaudio_do_scan(dev);
2204         }
2205
2206         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2207                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2208         else
2209                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2210
2211         if (dev->mops && dev->mops->signal_change)
2212                 dev->mops->signal_change(dev);
2213 }
2214
2215
2216 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2217 {
2218         enum v4l2_field field;
2219
2220         spin_lock(&dev->slock);
2221         if (dev->video_q.curr) {
2222                 field = dev->field;
2223                 if (V4L2_FIELD_HAS_BOTH(field)) {
2224                         /* make sure we have seen both fields */
2225                         if ((status & 0x10) == 0x00) {
2226                                 dev->video_q.curr->top_seen = 1;
2227                                 goto done;
2228                         }
2229                         if (!dev->video_q.curr->top_seen)
2230                                 goto done;
2231                 } else if (field == V4L2_FIELD_TOP) {
2232                         if ((status & 0x10) != 0x10)
2233                                 goto done;
2234                 } else if (field == V4L2_FIELD_BOTTOM) {
2235                         if ((status & 0x10) != 0x00)
2236                                 goto done;
2237                 }
2238                 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
2239         }
2240         saa7134_buffer_next(dev, &dev->video_q);
2241
2242  done:
2243         spin_unlock(&dev->slock);
2244 }