Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
[linux-2.6] / drivers / media / video / 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 <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/kernel.h>
27 #include <linux/slab.h>
28 #include <linux/sort.h>
29
30 #include "saa7134-reg.h"
31 #include "saa7134.h"
32 #include <media/v4l2-common.h>
33
34 #ifdef CONFIG_VIDEO_V4L1_COMPAT
35 /* Include V4L1 specific functions. Should be removed soon */
36 #include <linux/videodev.h>
37 #endif
38
39 /* ------------------------------------------------------------------ */
40
41 static unsigned int video_debug   = 0;
42 static unsigned int gbuffers      = 8;
43 static unsigned int noninterlaced = 0;
44 static unsigned int gbufsize      = 720*576*4;
45 static unsigned int gbufsize_max  = 720*576*4;
46 static char secam[] = "--";
47 module_param(video_debug, int, 0644);
48 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
49 module_param(gbuffers, int, 0444);
50 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
51 module_param(noninterlaced, int, 0644);
52 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
53 module_param_string(secam, secam, sizeof(secam), 0644);
54 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
55
56
57 #define dprintk(fmt, arg...)    if (video_debug) \
58         printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
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  = 22,    \
207                 .vbi_v_start_1 = 319,   \
208                 .src_timing    = 4
209
210 #define NORM_525_60                     \
211                 .h_start       = 0,     \
212                 .h_stop        = 703,   \
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 #define V4L2_CID_PRIVATE_INVERT      (V4L2_CID_PRIVATE_BASE + 0)
377 #define V4L2_CID_PRIVATE_Y_ODD       (V4L2_CID_PRIVATE_BASE + 1)
378 #define V4L2_CID_PRIVATE_Y_EVEN      (V4L2_CID_PRIVATE_BASE + 2)
379 #define V4L2_CID_PRIVATE_AUTOMUTE    (V4L2_CID_PRIVATE_BASE + 3)
380 #define V4L2_CID_PRIVATE_LASTP1      (V4L2_CID_PRIVATE_BASE + 4)
381
382 static const struct v4l2_queryctrl no_ctrl = {
383         .name  = "42",
384         .flags = V4L2_CTRL_FLAG_DISABLED,
385 };
386 static const struct v4l2_queryctrl video_ctrls[] = {
387         /* --- video --- */
388         {
389                 .id            = V4L2_CID_BRIGHTNESS,
390                 .name          = "Brightness",
391                 .minimum       = 0,
392                 .maximum       = 255,
393                 .step          = 1,
394                 .default_value = 128,
395                 .type          = V4L2_CTRL_TYPE_INTEGER,
396         },{
397                 .id            = V4L2_CID_CONTRAST,
398                 .name          = "Contrast",
399                 .minimum       = 0,
400                 .maximum       = 127,
401                 .step          = 1,
402                 .default_value = 68,
403                 .type          = V4L2_CTRL_TYPE_INTEGER,
404         },{
405                 .id            = V4L2_CID_SATURATION,
406                 .name          = "Saturation",
407                 .minimum       = 0,
408                 .maximum       = 127,
409                 .step          = 1,
410                 .default_value = 64,
411                 .type          = V4L2_CTRL_TYPE_INTEGER,
412         },{
413                 .id            = V4L2_CID_HUE,
414                 .name          = "Hue",
415                 .minimum       = -128,
416                 .maximum       = 127,
417                 .step          = 1,
418                 .default_value = 0,
419                 .type          = V4L2_CTRL_TYPE_INTEGER,
420         },{
421                 .id            = V4L2_CID_HFLIP,
422                 .name          = "Mirror",
423                 .minimum       = 0,
424                 .maximum       = 1,
425                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
426         },
427         /* --- audio --- */
428         {
429                 .id            = V4L2_CID_AUDIO_MUTE,
430                 .name          = "Mute",
431                 .minimum       = 0,
432                 .maximum       = 1,
433                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
434         },{
435                 .id            = V4L2_CID_AUDIO_VOLUME,
436                 .name          = "Volume",
437                 .minimum       = -15,
438                 .maximum       = 15,
439                 .step          = 1,
440                 .default_value = 0,
441                 .type          = V4L2_CTRL_TYPE_INTEGER,
442         },
443         /* --- private --- */
444         {
445                 .id            = V4L2_CID_PRIVATE_INVERT,
446                 .name          = "Invert",
447                 .minimum       = 0,
448                 .maximum       = 1,
449                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
450         },{
451                 .id            = V4L2_CID_PRIVATE_Y_ODD,
452                 .name          = "y offset odd field",
453                 .minimum       = 0,
454                 .maximum       = 128,
455                 .default_value = 0,
456                 .type          = V4L2_CTRL_TYPE_INTEGER,
457         },{
458                 .id            = V4L2_CID_PRIVATE_Y_EVEN,
459                 .name          = "y offset even field",
460                 .minimum       = 0,
461                 .maximum       = 128,
462                 .default_value = 0,
463                 .type          = V4L2_CTRL_TYPE_INTEGER,
464         },{
465                 .id            = V4L2_CID_PRIVATE_AUTOMUTE,
466                 .name          = "automute",
467                 .minimum       = 0,
468                 .maximum       = 1,
469                 .default_value = 1,
470                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
471         }
472 };
473 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
474
475 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
476 {
477         unsigned int i;
478
479         for (i = 0; i < CTRLS; i++)
480                 if (video_ctrls[i].id == id)
481                         return video_ctrls+i;
482         return NULL;
483 }
484
485 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
486 {
487         unsigned int i;
488
489         for (i = 0; i < FORMATS; i++)
490                 if (formats[i].fourcc == fourcc)
491                         return formats+i;
492         return NULL;
493 }
494
495 /* ----------------------------------------------------------------------- */
496 /* resource management                                                     */
497
498 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
499 {
500         if (fh->resources & bit)
501                 /* have it already allocated */
502                 return 1;
503
504         /* is it free? */
505         mutex_lock(&dev->lock);
506         if (dev->resources & bit) {
507                 /* no, someone else uses it */
508                 mutex_unlock(&dev->lock);
509                 return 0;
510         }
511         /* it's free, grab it */
512         fh->resources  |= bit;
513         dev->resources |= bit;
514         dprintk("res: get %d\n",bit);
515         mutex_unlock(&dev->lock);
516         return 1;
517 }
518
519 static int res_check(struct saa7134_fh *fh, unsigned int bit)
520 {
521         return (fh->resources & bit);
522 }
523
524 static int res_locked(struct saa7134_dev *dev, unsigned int bit)
525 {
526         return (dev->resources & bit);
527 }
528
529 static
530 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
531 {
532         BUG_ON((fh->resources & bits) != bits);
533
534         mutex_lock(&dev->lock);
535         fh->resources  &= ~bits;
536         dev->resources &= ~bits;
537         dprintk("res: put %d\n",bits);
538         mutex_unlock(&dev->lock);
539 }
540
541 /* ------------------------------------------------------------------ */
542
543 void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
544 {
545
546         dprintk("set tv norm = %s\n",norm->name);
547         dev->tvnorm = norm;
548
549         /* setup cropping */
550         dev->crop_bounds.left    = norm->h_start;
551         dev->crop_defrect.left   = norm->h_start;
552         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
553         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
554
555         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
556         dev->crop_defrect.top    = norm->video_v_start*2;
557         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
558                 - dev->crop_bounds.top;
559         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
560
561         dev->crop_current = dev->crop_defrect;
562
563         saa7134_set_tvnorm_hw(dev);
564
565 }
566
567 static void video_mux(struct saa7134_dev *dev, int input)
568 {
569         dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
570         dev->ctl_input = input;
571         set_tvnorm(dev, dev->tvnorm);
572         saa7134_tvaudio_setinput(dev, &card_in(dev, input));
573 }
574
575
576 static void saa7134_set_decoder(struct saa7134_dev *dev)
577 {
578         int luma_control, sync_control, mux;
579
580         struct saa7134_tvnorm *norm = dev->tvnorm;
581         mux = card_in(dev, dev->ctl_input).vmux;
582
583         luma_control = norm->luma_control;
584         sync_control = norm->sync_control;
585
586         if (mux > 5)
587                 luma_control |= 0x80; /* svideo */
588         if (noninterlaced || dev->nosignal)
589                 sync_control |= 0x20;
590
591         /* setup video decoder */
592         saa_writeb(SAA7134_INCR_DELAY,            0x08);
593         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
594         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
595
596         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
597         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
598         saa_writeb(SAA7134_HSYNC_START,           0xeb);
599         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
600         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
601
602         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
603         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
604         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
605
606         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
607                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
608
609         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
610                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
611
612         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
613         saa_writeb(SAA7134_CHROMA_CTRL1,          norm->chroma_ctrl1);
614         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
615
616         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
617         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
618
619         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
620         saa_writeb(SAA7134_VGATE_START,           0x11);
621         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
622         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
623         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
624         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
625 }
626
627 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
628 {
629         saa7134_set_decoder(dev);
630
631         if (card_in(dev, dev->ctl_input).tv) {
632                 if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
633                                 && ((card(dev).tuner_config == 1)
634                                 ||  (card(dev).tuner_config == 2)))
635                         saa7134_set_gpio(dev, 22, 5);
636                 saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id);
637         }
638 }
639
640 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
641 {
642         static const struct {
643                 int xpsc;
644                 int xacl;
645                 int xc2_1;
646                 int xdcg;
647                 int vpfy;
648         } vals[] = {
649                 /* XPSC XACL XC2_1 XDCG VPFY */
650                 {    1,   0,    0,    0,   0 },
651                 {    2,   2,    1,    2,   2 },
652                 {    3,   4,    1,    3,   2 },
653                 {    4,   8,    1,    4,   2 },
654                 {    5,   8,    1,    4,   2 },
655                 {    6,   8,    1,    4,   3 },
656                 {    7,   8,    1,    4,   3 },
657                 {    8,  15,    0,    4,   3 },
658                 {    9,  15,    0,    4,   3 },
659                 {   10,  16,    1,    5,   3 },
660         };
661         static const int count = ARRAY_SIZE(vals);
662         int i;
663
664         for (i = 0; i < count; i++)
665                 if (vals[i].xpsc == prescale)
666                         break;
667         if (i == count)
668                 return;
669
670         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
671         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
672         saa_writeb(SAA7134_LEVEL_CTRL(task),
673                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
674         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
675                    (vals[i].vpfy << 2) | vals[i].vpfy);
676 }
677
678 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
679 {
680         int val,mirror;
681
682         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
683         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
684
685         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
686         if (yscale < 2048) {
687                 /* LPI */
688                 dprintk("yscale LPI yscale=%d\n",yscale);
689                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
690                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
691                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
692         } else {
693                 /* ACM */
694                 val = 0x40 * 1024 / yscale;
695                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
696                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
697                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
698                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
699         }
700         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
701 }
702
703 static void set_size(struct saa7134_dev *dev, int task,
704                      int width, int height, int interlace)
705 {
706         int prescale,xscale,yscale,y_even,y_odd;
707         int h_start, h_stop, v_start, v_stop;
708         int div = interlace ? 2 : 1;
709
710         /* setup video scaler */
711         h_start = dev->crop_current.left;
712         v_start = dev->crop_current.top/2;
713         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
714         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
715
716         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
717         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
718         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
719         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
720         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
721         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
722         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
723         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
724
725         prescale = dev->crop_current.width / width;
726         if (0 == prescale)
727                 prescale = 1;
728         xscale = 1024 * dev->crop_current.width / prescale / width;
729         yscale = 512 * div * dev->crop_current.height / height;
730         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
731         set_h_prescale(dev,task,prescale);
732         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
733         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
734         set_v_scale(dev,task,yscale);
735
736         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
737         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
738         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
739         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
740
741         /* deinterlace y offsets */
742         y_odd  = dev->ctl_y_odd;
743         y_even = dev->ctl_y_even;
744         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
745         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
746         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
747         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
748 }
749
750 /* ------------------------------------------------------------------ */
751
752 struct cliplist {
753         __u16 position;
754         __u8  enable;
755         __u8  disable;
756 };
757
758 static void set_cliplist(struct saa7134_dev *dev, int reg,
759                         struct cliplist *cl, int entries, char *name)
760 {
761         __u8 winbits = 0;
762         int i;
763
764         for (i = 0; i < entries; i++) {
765                 winbits |= cl[i].enable;
766                 winbits &= ~cl[i].disable;
767                 if (i < 15 && cl[i].position == cl[i+1].position)
768                         continue;
769                 saa_writeb(reg + 0, winbits);
770                 saa_writeb(reg + 2, cl[i].position & 0xff);
771                 saa_writeb(reg + 3, cl[i].position >> 8);
772                 dprintk("clip: %s winbits=%02x pos=%d\n",
773                         name,winbits,cl[i].position);
774                 reg += 8;
775         }
776         for (; reg < 0x400; reg += 8) {
777                 saa_writeb(reg+ 0, 0);
778                 saa_writeb(reg + 1, 0);
779                 saa_writeb(reg + 2, 0);
780                 saa_writeb(reg + 3, 0);
781         }
782 }
783
784 static int clip_range(int val)
785 {
786         if (val < 0)
787                 val = 0;
788         return val;
789 }
790
791 /* Sort into smallest position first order */
792 static int cliplist_cmp(const void *a, const void *b)
793 {
794         const struct cliplist *cla = a;
795         const struct cliplist *clb = b;
796         if (cla->position < clb->position)
797                 return -1;
798         if (cla->position > clb->position)
799                 return 1;
800         return 0;
801 }
802
803 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
804                           int nclips, int interlace)
805 {
806         struct cliplist col[16], row[16];
807         int cols = 0, rows = 0, i;
808         int div = interlace ? 2 : 1;
809
810         memset(col, 0, sizeof(col));
811         memset(row, 0, sizeof(row));
812         for (i = 0; i < nclips && i < 8; i++) {
813                 col[cols].position = clip_range(clips[i].c.left);
814                 col[cols].enable   = (1 << i);
815                 cols++;
816                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
817                 col[cols].disable  = (1 << i);
818                 cols++;
819                 row[rows].position = clip_range(clips[i].c.top / div);
820                 row[rows].enable   = (1 << i);
821                 rows++;
822                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
823                                                 / div);
824                 row[rows].disable  = (1 << i);
825                 rows++;
826         }
827         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
828         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
829         set_cliplist(dev,0x380,col,cols,"cols");
830         set_cliplist(dev,0x384,row,rows,"rows");
831         return 0;
832 }
833
834 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
835 {
836         enum v4l2_field field;
837         int maxw, maxh;
838
839         if (NULL == dev->ovbuf.base)
840                 return -EINVAL;
841         if (NULL == dev->ovfmt)
842                 return -EINVAL;
843         if (win->w.width < 48 || win->w.height <  32)
844                 return -EINVAL;
845         if (win->clipcount > 2048)
846                 return -EINVAL;
847
848         field = win->field;
849         maxw  = dev->crop_current.width;
850         maxh  = dev->crop_current.height;
851
852         if (V4L2_FIELD_ANY == field) {
853                 field = (win->w.height > maxh/2)
854                         ? V4L2_FIELD_INTERLACED
855                         : V4L2_FIELD_TOP;
856         }
857         switch (field) {
858         case V4L2_FIELD_TOP:
859         case V4L2_FIELD_BOTTOM:
860                 maxh = maxh / 2;
861                 break;
862         case V4L2_FIELD_INTERLACED:
863                 break;
864         default:
865                 return -EINVAL;
866         }
867
868         win->field = field;
869         if (win->w.width > maxw)
870                 win->w.width = maxw;
871         if (win->w.height > maxh)
872                 win->w.height = maxh;
873         return 0;
874 }
875
876 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
877 {
878         unsigned long base,control,bpl;
879         int err;
880
881         err = verify_preview(dev,&fh->win);
882         if (0 != err)
883                 return err;
884
885         dev->ovfield = fh->win.field;
886         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
887                 fh->win.w.width,fh->win.w.height,
888                 fh->win.w.left,fh->win.w.top,
889                 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
890
891         /* setup window + clipping */
892         set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
893                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
894         setup_clipping(dev,fh->clips,fh->nclips,
895                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
896         if (dev->ovfmt->yuv)
897                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
898         else
899                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
900         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
901
902         /* dma: setup channel 1 (= Video Task B) */
903         base  = (unsigned long)dev->ovbuf.base;
904         base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
905         base += dev->ovfmt->depth/8         * fh->win.w.left;
906         bpl   = dev->ovbuf.fmt.bytesperline;
907         control = SAA7134_RS_CONTROL_BURST_16;
908         if (dev->ovfmt->bswap)
909                 control |= SAA7134_RS_CONTROL_BSWAP;
910         if (dev->ovfmt->wswap)
911                 control |= SAA7134_RS_CONTROL_WSWAP;
912         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
913                 saa_writel(SAA7134_RS_BA1(1),base);
914                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
915                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
916                 saa_writel(SAA7134_RS_CONTROL(1),control);
917         } else {
918                 saa_writel(SAA7134_RS_BA1(1),base);
919                 saa_writel(SAA7134_RS_BA2(1),base);
920                 saa_writel(SAA7134_RS_PITCH(1),bpl);
921                 saa_writel(SAA7134_RS_CONTROL(1),control);
922         }
923
924         /* start dma */
925         dev->ovenable = 1;
926         saa7134_set_dmabits(dev);
927
928         return 0;
929 }
930
931 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
932 {
933         dev->ovenable = 0;
934         saa7134_set_dmabits(dev);
935         return 0;
936 }
937
938 /* ------------------------------------------------------------------ */
939
940 static int buffer_activate(struct saa7134_dev *dev,
941                            struct saa7134_buf *buf,
942                            struct saa7134_buf *next)
943 {
944         unsigned long base,control,bpl;
945         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
946
947         dprintk("buffer_activate buf=%p\n",buf);
948         buf->vb.state = STATE_ACTIVE;
949         buf->top_seen = 0;
950
951         set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
952                  V4L2_FIELD_HAS_BOTH(buf->vb.field));
953         if (buf->fmt->yuv)
954                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
955         else
956                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
957         saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
958
959         /* DMA: setup channel 0 (= Video Task A0) */
960         base  = saa7134_buffer_base(buf);
961         if (buf->fmt->planar)
962                 bpl = buf->vb.width;
963         else
964                 bpl = (buf->vb.width * buf->fmt->depth) / 8;
965         control = SAA7134_RS_CONTROL_BURST_16 |
966                 SAA7134_RS_CONTROL_ME |
967                 (buf->pt->dma >> 12);
968         if (buf->fmt->bswap)
969                 control |= SAA7134_RS_CONTROL_BSWAP;
970         if (buf->fmt->wswap)
971                 control |= SAA7134_RS_CONTROL_WSWAP;
972         if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
973                 /* interlaced */
974                 saa_writel(SAA7134_RS_BA1(0),base);
975                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
976                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
977         } else {
978                 /* non-interlaced */
979                 saa_writel(SAA7134_RS_BA1(0),base);
980                 saa_writel(SAA7134_RS_BA2(0),base);
981                 saa_writel(SAA7134_RS_PITCH(0),bpl);
982         }
983         saa_writel(SAA7134_RS_CONTROL(0),control);
984
985         if (buf->fmt->planar) {
986                 /* DMA: setup channel 4+5 (= planar task A) */
987                 bpl_uv   = bpl >> buf->fmt->hshift;
988                 lines_uv = buf->vb.height >> buf->fmt->vshift;
989                 base2    = base + bpl * buf->vb.height;
990                 base3    = base2 + bpl_uv * lines_uv;
991                 if (buf->fmt->uvswap)
992                         tmp = base2, base2 = base3, base3 = tmp;
993                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
994                         bpl_uv,lines_uv,base2,base3);
995                 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
996                         /* interlaced */
997                         saa_writel(SAA7134_RS_BA1(4),base2);
998                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
999                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
1000                         saa_writel(SAA7134_RS_BA1(5),base3);
1001                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
1002                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
1003                 } else {
1004                         /* non-interlaced */
1005                         saa_writel(SAA7134_RS_BA1(4),base2);
1006                         saa_writel(SAA7134_RS_BA2(4),base2);
1007                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1008                         saa_writel(SAA7134_RS_BA1(5),base3);
1009                         saa_writel(SAA7134_RS_BA2(5),base3);
1010                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1011                 }
1012                 saa_writel(SAA7134_RS_CONTROL(4),control);
1013                 saa_writel(SAA7134_RS_CONTROL(5),control);
1014         }
1015
1016         /* start DMA */
1017         saa7134_set_dmabits(dev);
1018         mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1019         return 0;
1020 }
1021
1022 static int buffer_prepare(struct videobuf_queue *q,
1023                           struct videobuf_buffer *vb,
1024                           enum v4l2_field field)
1025 {
1026         struct saa7134_fh *fh = q->priv_data;
1027         struct saa7134_dev *dev = fh->dev;
1028         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1029         unsigned int size;
1030         int err;
1031
1032         /* sanity checks */
1033         if (NULL == fh->fmt)
1034                 return -EINVAL;
1035         if (fh->width    < 48 ||
1036             fh->height   < 32 ||
1037             fh->width/4  > dev->crop_current.width  ||
1038             fh->height/4 > dev->crop_current.height ||
1039             fh->width    > dev->crop_bounds.width  ||
1040             fh->height   > dev->crop_bounds.height)
1041                 return -EINVAL;
1042         size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1043         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
1044                 return -EINVAL;
1045
1046         dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1047                 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1048                 fh->fmt->name);
1049         if (buf->vb.width  != fh->width  ||
1050             buf->vb.height != fh->height ||
1051             buf->vb.size   != size       ||
1052             buf->vb.field  != field      ||
1053             buf->fmt       != fh->fmt) {
1054                 saa7134_dma_free(q,buf);
1055         }
1056
1057         if (STATE_NEEDS_INIT == buf->vb.state) {
1058                 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1059
1060                 buf->vb.width  = fh->width;
1061                 buf->vb.height = fh->height;
1062                 buf->vb.size   = size;
1063                 buf->vb.field  = field;
1064                 buf->fmt       = fh->fmt;
1065                 buf->pt        = &fh->pt_cap;
1066
1067                 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1068                 if (err)
1069                         goto oops;
1070                 err = saa7134_pgtable_build(dev->pci,buf->pt,
1071                                             dma->sglist,
1072                                             dma->sglen,
1073                                             saa7134_buffer_startpage(buf));
1074                 if (err)
1075                         goto oops;
1076         }
1077         buf->vb.state = STATE_PREPARED;
1078         buf->activate = buffer_activate;
1079         return 0;
1080
1081  oops:
1082         saa7134_dma_free(q,buf);
1083         return err;
1084 }
1085
1086 static int
1087 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1088 {
1089         struct saa7134_fh *fh = q->priv_data;
1090
1091         *size = fh->fmt->depth * fh->width * fh->height >> 3;
1092         if (0 == *count)
1093                 *count = gbuffers;
1094         *count = saa7134_buffer_count(*size,*count);
1095         return 0;
1096 }
1097
1098 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1099 {
1100         struct saa7134_fh *fh = q->priv_data;
1101         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1102
1103         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1104 }
1105
1106 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1107 {
1108         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1109
1110         saa7134_dma_free(q,buf);
1111 }
1112
1113 static struct videobuf_queue_ops video_qops = {
1114         .buf_setup    = buffer_setup,
1115         .buf_prepare  = buffer_prepare,
1116         .buf_queue    = buffer_queue,
1117         .buf_release  = buffer_release,
1118 };
1119
1120 /* ------------------------------------------------------------------ */
1121
1122 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1123 {
1124         const struct v4l2_queryctrl* ctrl;
1125
1126         ctrl = ctrl_by_id(c->id);
1127         if (NULL == ctrl)
1128                 return -EINVAL;
1129         switch (c->id) {
1130         case V4L2_CID_BRIGHTNESS:
1131                 c->value = dev->ctl_bright;
1132                 break;
1133         case V4L2_CID_HUE:
1134                 c->value = dev->ctl_hue;
1135                 break;
1136         case V4L2_CID_CONTRAST:
1137                 c->value = dev->ctl_contrast;
1138                 break;
1139         case V4L2_CID_SATURATION:
1140                 c->value = dev->ctl_saturation;
1141                 break;
1142         case V4L2_CID_AUDIO_MUTE:
1143                 c->value = dev->ctl_mute;
1144                 break;
1145         case V4L2_CID_AUDIO_VOLUME:
1146                 c->value = dev->ctl_volume;
1147                 break;
1148         case V4L2_CID_PRIVATE_INVERT:
1149                 c->value = dev->ctl_invert;
1150                 break;
1151         case V4L2_CID_HFLIP:
1152                 c->value = dev->ctl_mirror;
1153                 break;
1154         case V4L2_CID_PRIVATE_Y_EVEN:
1155                 c->value = dev->ctl_y_even;
1156                 break;
1157         case V4L2_CID_PRIVATE_Y_ODD:
1158                 c->value = dev->ctl_y_odd;
1159                 break;
1160         case V4L2_CID_PRIVATE_AUTOMUTE:
1161                 c->value = dev->ctl_automute;
1162                 break;
1163         default:
1164                 return -EINVAL;
1165         }
1166         return 0;
1167 }
1168
1169 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1170                        struct v4l2_control *c)
1171 {
1172         const struct v4l2_queryctrl* ctrl;
1173         unsigned long flags;
1174         int restart_overlay = 0;
1175
1176         ctrl = ctrl_by_id(c->id);
1177         if (NULL == ctrl)
1178                 return -EINVAL;
1179         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1180         switch (ctrl->type) {
1181         case V4L2_CTRL_TYPE_BOOLEAN:
1182         case V4L2_CTRL_TYPE_MENU:
1183         case V4L2_CTRL_TYPE_INTEGER:
1184                 if (c->value < ctrl->minimum)
1185                         c->value = ctrl->minimum;
1186                 if (c->value > ctrl->maximum)
1187                         c->value = ctrl->maximum;
1188                 break;
1189         default:
1190                 /* nothing */;
1191         };
1192         switch (c->id) {
1193         case V4L2_CID_BRIGHTNESS:
1194                 dev->ctl_bright = c->value;
1195                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1196                 break;
1197         case V4L2_CID_HUE:
1198                 dev->ctl_hue = c->value;
1199                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1200                 break;
1201         case V4L2_CID_CONTRAST:
1202                 dev->ctl_contrast = c->value;
1203                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1204                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1205                 break;
1206         case V4L2_CID_SATURATION:
1207                 dev->ctl_saturation = c->value;
1208                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1209                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1210                 break;
1211         case V4L2_CID_AUDIO_MUTE:
1212                 dev->ctl_mute = c->value;
1213                 saa7134_tvaudio_setmute(dev);
1214                 break;
1215         case V4L2_CID_AUDIO_VOLUME:
1216                 dev->ctl_volume = c->value;
1217                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1218                 break;
1219         case V4L2_CID_PRIVATE_INVERT:
1220                 dev->ctl_invert = c->value;
1221                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1222                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1223                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1224                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1225                 break;
1226         case V4L2_CID_HFLIP:
1227                 dev->ctl_mirror = c->value;
1228                 restart_overlay = 1;
1229                 break;
1230         case V4L2_CID_PRIVATE_Y_EVEN:
1231                 dev->ctl_y_even = c->value;
1232                 restart_overlay = 1;
1233                 break;
1234         case V4L2_CID_PRIVATE_Y_ODD:
1235                 dev->ctl_y_odd = c->value;
1236                 restart_overlay = 1;
1237                 break;
1238         case V4L2_CID_PRIVATE_AUTOMUTE:
1239                 dev->ctl_automute = c->value;
1240                 if (dev->tda9887_conf) {
1241                         if (dev->ctl_automute)
1242                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1243                         else
1244                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1245                         saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1246                                                  &dev->tda9887_conf);
1247                 }
1248                 break;
1249         default:
1250                 return -EINVAL;
1251         }
1252         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1253                 spin_lock_irqsave(&dev->slock,flags);
1254                 stop_preview(dev,fh);
1255                 start_preview(dev,fh);
1256                 spin_unlock_irqrestore(&dev->slock,flags);
1257         }
1258         return 0;
1259 }
1260
1261 /* ------------------------------------------------------------------ */
1262
1263 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1264 {
1265         struct videobuf_queue* q = NULL;
1266
1267         switch (fh->type) {
1268         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1269                 q = &fh->cap;
1270                 break;
1271         case V4L2_BUF_TYPE_VBI_CAPTURE:
1272                 q = &fh->vbi;
1273                 break;
1274         default:
1275                 BUG();
1276         }
1277         return q;
1278 }
1279
1280 static int saa7134_resource(struct saa7134_fh *fh)
1281 {
1282         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1283                 return RESOURCE_VIDEO;
1284
1285         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1286                 return RESOURCE_VBI;
1287
1288         BUG();
1289         return 0;
1290 }
1291
1292 static int video_open(struct inode *inode, struct file *file)
1293 {
1294         int minor = iminor(inode);
1295         struct saa7134_dev *dev;
1296         struct saa7134_fh *fh;
1297         enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1298         int radio = 0;
1299         list_for_each_entry(dev, &saa7134_devlist, devlist) {
1300                 if (dev->video_dev && (dev->video_dev->minor == minor))
1301                         goto found;
1302                 if (dev->radio_dev && (dev->radio_dev->minor == minor)) {
1303                         radio = 1;
1304                         goto found;
1305                 }
1306                 if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) {
1307                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
1308                         goto found;
1309                 }
1310         }
1311         return -ENODEV;
1312  found:
1313
1314         dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1315                 v4l2_type_names[type]);
1316
1317         /* allocate + initialize per filehandle data */
1318         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1319         if (NULL == fh)
1320                 return -ENOMEM;
1321         file->private_data = fh;
1322         fh->dev      = dev;
1323         fh->radio    = radio;
1324         fh->type     = type;
1325         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1326         fh->width    = 720;
1327         fh->height   = 576;
1328         v4l2_prio_open(&dev->prio,&fh->prio);
1329
1330         videobuf_queue_pci_init(&fh->cap, &video_qops,
1331                             dev->pci, &dev->slock,
1332                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1333                             V4L2_FIELD_INTERLACED,
1334                             sizeof(struct saa7134_buf),
1335                             fh);
1336         videobuf_queue_pci_init(&fh->vbi, &saa7134_vbi_qops,
1337                             dev->pci, &dev->slock,
1338                             V4L2_BUF_TYPE_VBI_CAPTURE,
1339                             V4L2_FIELD_SEQ_TB,
1340                             sizeof(struct saa7134_buf),
1341                             fh);
1342         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1343         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1344
1345         if (fh->radio) {
1346                 /* switch to radio mode */
1347                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1348                 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1349         } else {
1350                 /* switch to video/vbi mode */
1351                 video_mux(dev,dev->ctl_input);
1352         }
1353         return 0;
1354 }
1355
1356 static ssize_t
1357 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1358 {
1359         struct saa7134_fh *fh = file->private_data;
1360
1361         switch (fh->type) {
1362         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1363                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1364                         return -EBUSY;
1365                 return videobuf_read_one(saa7134_queue(fh),
1366                                          data, count, ppos,
1367                                          file->f_flags & O_NONBLOCK);
1368         case V4L2_BUF_TYPE_VBI_CAPTURE:
1369                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1370                         return -EBUSY;
1371                 return videobuf_read_stream(saa7134_queue(fh),
1372                                             data, count, ppos, 1,
1373                                             file->f_flags & O_NONBLOCK);
1374                 break;
1375         default:
1376                 BUG();
1377                 return 0;
1378         }
1379 }
1380
1381 static unsigned int
1382 video_poll(struct file *file, struct poll_table_struct *wait)
1383 {
1384         struct saa7134_fh *fh = file->private_data;
1385         struct videobuf_buffer *buf = NULL;
1386
1387         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1388                 return videobuf_poll_stream(file, &fh->vbi, wait);
1389
1390         if (res_check(fh,RESOURCE_VIDEO)) {
1391                 if (!list_empty(&fh->cap.stream))
1392                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1393         } else {
1394                 mutex_lock(&fh->cap.lock);
1395                 if (UNSET == fh->cap.read_off) {
1396                         /* need to capture a new frame */
1397                         if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1398                                 mutex_unlock(&fh->cap.lock);
1399                                 return POLLERR;
1400                         }
1401                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1402                                 mutex_unlock(&fh->cap.lock);
1403                                 return POLLERR;
1404                         }
1405                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1406                         fh->cap.read_off = 0;
1407                 }
1408                 mutex_unlock(&fh->cap.lock);
1409                 buf = fh->cap.read_buf;
1410         }
1411
1412         if (!buf)
1413                 return POLLERR;
1414
1415         poll_wait(file, &buf->done, wait);
1416         if (buf->state == STATE_DONE ||
1417             buf->state == STATE_ERROR)
1418                 return POLLIN|POLLRDNORM;
1419         return 0;
1420 }
1421
1422 static int video_release(struct inode *inode, struct file *file)
1423 {
1424         struct saa7134_fh  *fh  = file->private_data;
1425         struct saa7134_dev *dev = fh->dev;
1426         unsigned long flags;
1427
1428         /* turn off overlay */
1429         if (res_check(fh, RESOURCE_OVERLAY)) {
1430                 spin_lock_irqsave(&dev->slock,flags);
1431                 stop_preview(dev,fh);
1432                 spin_unlock_irqrestore(&dev->slock,flags);
1433                 res_free(dev,fh,RESOURCE_OVERLAY);
1434         }
1435
1436         /* stop video capture */
1437         if (res_check(fh, RESOURCE_VIDEO)) {
1438                 videobuf_streamoff(&fh->cap);
1439                 res_free(dev,fh,RESOURCE_VIDEO);
1440         }
1441         if (fh->cap.read_buf) {
1442                 buffer_release(&fh->cap,fh->cap.read_buf);
1443                 kfree(fh->cap.read_buf);
1444         }
1445
1446         /* stop vbi capture */
1447         if (res_check(fh, RESOURCE_VBI)) {
1448                 if (fh->vbi.streaming)
1449                         videobuf_streamoff(&fh->vbi);
1450                 if (fh->vbi.reading)
1451                         videobuf_read_stop(&fh->vbi);
1452                 res_free(dev,fh,RESOURCE_VBI);
1453         }
1454
1455         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1456         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1457         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1458         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1459         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1460
1461         saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1462
1463         /* free stuff */
1464         videobuf_mmap_free(&fh->cap);
1465         videobuf_mmap_free(&fh->vbi);
1466         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1467         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1468
1469         v4l2_prio_close(&dev->prio,&fh->prio);
1470         file->private_data = NULL;
1471         kfree(fh);
1472         return 0;
1473 }
1474
1475 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1476 {
1477         struct saa7134_fh *fh = file->private_data;
1478
1479         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1480 }
1481
1482 /* ------------------------------------------------------------------ */
1483
1484 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1485 {
1486         struct saa7134_tvnorm *norm = dev->tvnorm;
1487
1488         f->fmt.vbi.sampling_rate = 6750000 * 4;
1489         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1490         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1491         f->fmt.vbi.offset = 64 * 4;
1492         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1493         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1494         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1495         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1496         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1497
1498 }
1499
1500 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1501                          struct v4l2_format *f)
1502 {
1503         switch (f->type) {
1504         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1505                 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1506                 f->fmt.pix.width        = fh->width;
1507                 f->fmt.pix.height       = fh->height;
1508                 f->fmt.pix.field        = fh->cap.field;
1509                 f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1510                 f->fmt.pix.bytesperline =
1511                         (f->fmt.pix.width * fh->fmt->depth) >> 3;
1512                 f->fmt.pix.sizeimage =
1513                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1514                 return 0;
1515         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1516                 if (saa7134_no_overlay > 0) {
1517                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1518                         return -EINVAL;
1519                 }
1520                 f->fmt.win = fh->win;
1521                 return 0;
1522         case V4L2_BUF_TYPE_VBI_CAPTURE:
1523                 saa7134_vbi_fmt(dev,f);
1524                 return 0;
1525         default:
1526                 return -EINVAL;
1527         }
1528 }
1529
1530 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1531                            struct v4l2_format *f)
1532 {
1533         int err;
1534
1535         switch (f->type) {
1536         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1537         {
1538                 struct saa7134_format *fmt;
1539                 enum v4l2_field field;
1540                 unsigned int maxw, maxh;
1541
1542                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1543                 if (NULL == fmt)
1544                         return -EINVAL;
1545
1546                 field = f->fmt.pix.field;
1547                 maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1548                 maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1549
1550                 if (V4L2_FIELD_ANY == field) {
1551                         field = (f->fmt.pix.height > maxh/2)
1552                                 ? V4L2_FIELD_INTERLACED
1553                                 : V4L2_FIELD_BOTTOM;
1554                 }
1555                 switch (field) {
1556                 case V4L2_FIELD_TOP:
1557                 case V4L2_FIELD_BOTTOM:
1558                         maxh = maxh / 2;
1559                         break;
1560                 case V4L2_FIELD_INTERLACED:
1561                         break;
1562                 default:
1563                         return -EINVAL;
1564                 }
1565
1566                 f->fmt.pix.field = field;
1567                 if (f->fmt.pix.width  < 48)
1568                         f->fmt.pix.width  = 48;
1569                 if (f->fmt.pix.height < 32)
1570                         f->fmt.pix.height = 32;
1571                 if (f->fmt.pix.width > maxw)
1572                         f->fmt.pix.width = maxw;
1573                 if (f->fmt.pix.height > maxh)
1574                         f->fmt.pix.height = maxh;
1575                 f->fmt.pix.width &= ~0x03;
1576                 f->fmt.pix.bytesperline =
1577                         (f->fmt.pix.width * fmt->depth) >> 3;
1578                 f->fmt.pix.sizeimage =
1579                         f->fmt.pix.height * f->fmt.pix.bytesperline;
1580
1581                 return 0;
1582         }
1583         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1584                 if (saa7134_no_overlay > 0) {
1585                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1586                         return -EINVAL;
1587                 }
1588                 err = verify_preview(dev,&f->fmt.win);
1589                 if (0 != err)
1590                         return err;
1591                 return 0;
1592         case V4L2_BUF_TYPE_VBI_CAPTURE:
1593                 saa7134_vbi_fmt(dev,f);
1594                 return 0;
1595         default:
1596                 return -EINVAL;
1597         }
1598 }
1599
1600 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1601                          struct v4l2_format *f)
1602 {
1603         unsigned long flags;
1604         int err;
1605
1606         switch (f->type) {
1607         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1608                 err = saa7134_try_fmt(dev,fh,f);
1609                 if (0 != err)
1610                         return err;
1611
1612                 fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1613                 fh->width     = f->fmt.pix.width;
1614                 fh->height    = f->fmt.pix.height;
1615                 fh->cap.field = f->fmt.pix.field;
1616                 return 0;
1617         case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1618                 if (saa7134_no_overlay > 0) {
1619                         printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1620                         return -EINVAL;
1621                 }
1622                 err = verify_preview(dev,&f->fmt.win);
1623                 if (0 != err)
1624                         return err;
1625
1626                 mutex_lock(&dev->lock);
1627                 fh->win    = f->fmt.win;
1628                 fh->nclips = f->fmt.win.clipcount;
1629                 if (fh->nclips > 8)
1630                         fh->nclips = 8;
1631                 if (copy_from_user(fh->clips,f->fmt.win.clips,
1632                                    sizeof(struct v4l2_clip)*fh->nclips)) {
1633                         mutex_unlock(&dev->lock);
1634                         return -EFAULT;
1635                 }
1636
1637                 if (res_check(fh, RESOURCE_OVERLAY)) {
1638                         spin_lock_irqsave(&dev->slock,flags);
1639                         stop_preview(dev,fh);
1640                         start_preview(dev,fh);
1641                         spin_unlock_irqrestore(&dev->slock,flags);
1642                 }
1643                 mutex_unlock(&dev->lock);
1644                 return 0;
1645         case V4L2_BUF_TYPE_VBI_CAPTURE:
1646                 saa7134_vbi_fmt(dev,f);
1647                 return 0;
1648         default:
1649                 return -EINVAL;
1650         }
1651 }
1652
1653 int saa7134_common_ioctl(struct saa7134_dev *dev,
1654                          unsigned int cmd, void *arg)
1655 {
1656         int err;
1657
1658         switch (cmd) {
1659         case VIDIOC_QUERYCTRL:
1660         {
1661                 const struct v4l2_queryctrl *ctrl;
1662                 struct v4l2_queryctrl *c = arg;
1663
1664                 if ((c->id <  V4L2_CID_BASE ||
1665                      c->id >= V4L2_CID_LASTP1) &&
1666                     (c->id <  V4L2_CID_PRIVATE_BASE ||
1667                      c->id >= V4L2_CID_PRIVATE_LASTP1))
1668                         return -EINVAL;
1669                 ctrl = ctrl_by_id(c->id);
1670                 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1671                 return 0;
1672         }
1673         case VIDIOC_G_CTRL:
1674                 return get_control(dev,arg);
1675         case VIDIOC_S_CTRL:
1676         {
1677                 mutex_lock(&dev->lock);
1678                 err = set_control(dev,NULL,arg);
1679                 mutex_unlock(&dev->lock);
1680                 return err;
1681         }
1682         /* --- input switching --------------------------------------- */
1683         case VIDIOC_ENUMINPUT:
1684         {
1685                 struct v4l2_input *i = arg;
1686                 unsigned int n;
1687
1688                 n = i->index;
1689                 if (n >= SAA7134_INPUT_MAX)
1690                         return -EINVAL;
1691                 if (NULL == card_in(dev,i->index).name)
1692                         return -EINVAL;
1693                 memset(i,0,sizeof(*i));
1694                 i->index = n;
1695                 i->type  = V4L2_INPUT_TYPE_CAMERA;
1696                 strcpy(i->name,card_in(dev,n).name);
1697                 if (card_in(dev,n).tv)
1698                         i->type = V4L2_INPUT_TYPE_TUNER;
1699                 i->audioset = 1;
1700                 if (n == dev->ctl_input) {
1701                         int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1702                         int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1703
1704                         if (0 != (v1 & 0x40))
1705                                 i->status |= V4L2_IN_ST_NO_H_LOCK;
1706                         if (0 != (v2 & 0x40))
1707                                 i->status |= V4L2_IN_ST_NO_SYNC;
1708                         if (0 != (v2 & 0x0e))
1709                                 i->status |= V4L2_IN_ST_MACROVISION;
1710                 }
1711                 for (n = 0; n < TVNORMS; n++)
1712                         i->std |= tvnorms[n].id;
1713                 return 0;
1714         }
1715         case VIDIOC_G_INPUT:
1716         {
1717                 int *i = arg;
1718                 *i = dev->ctl_input;
1719                 return 0;
1720         }
1721         case VIDIOC_S_INPUT:
1722         {
1723                 int *i = arg;
1724
1725                 if (*i < 0  ||  *i >= SAA7134_INPUT_MAX)
1726                         return -EINVAL;
1727                 if (NULL == card_in(dev,*i).name)
1728                         return -EINVAL;
1729                 mutex_lock(&dev->lock);
1730                 video_mux(dev,*i);
1731                 mutex_unlock(&dev->lock);
1732                 return 0;
1733         }
1734
1735         }
1736         return 0;
1737 }
1738 EXPORT_SYMBOL(saa7134_common_ioctl);
1739
1740 /*
1741  * This function is _not_ called directly, but from
1742  * video_generic_ioctl (and maybe others).  userspace
1743  * copying is done already, arg is a kernel pointer.
1744  */
1745 static int video_do_ioctl(struct inode *inode, struct file *file,
1746                           unsigned int cmd, void *arg)
1747 {
1748         struct saa7134_fh *fh = file->private_data;
1749         struct saa7134_dev *dev = fh->dev;
1750         unsigned long flags;
1751         int err;
1752
1753         if (video_debug > 1)
1754                 v4l_print_ioctl(dev->name,cmd);
1755
1756         switch (cmd) {
1757         case VIDIOC_S_CTRL:
1758         case VIDIOC_S_STD:
1759         case VIDIOC_S_INPUT:
1760         case VIDIOC_S_TUNER:
1761         case VIDIOC_S_FREQUENCY:
1762                 err = v4l2_prio_check(&dev->prio,&fh->prio);
1763                 if (0 != err)
1764                         return err;
1765         }
1766
1767         switch (cmd) {
1768         case VIDIOC_QUERYCAP:
1769         {
1770                 struct v4l2_capability *cap = arg;
1771                 unsigned int tuner_type = dev->tuner_type;
1772
1773                 memset(cap,0,sizeof(*cap));
1774                 strcpy(cap->driver, "saa7134");
1775                 strlcpy(cap->card, saa7134_boards[dev->board].name,
1776                         sizeof(cap->card));
1777                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1778                 cap->version = SAA7134_VERSION_CODE;
1779                 cap->capabilities =
1780                         V4L2_CAP_VIDEO_CAPTURE |
1781                         V4L2_CAP_VBI_CAPTURE |
1782                         V4L2_CAP_READWRITE |
1783                         V4L2_CAP_STREAMING |
1784                         V4L2_CAP_TUNER;
1785                 if (saa7134_no_overlay <= 0) {
1786                         cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1787                 }
1788
1789                 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1790                         cap->capabilities &= ~V4L2_CAP_TUNER;
1791
1792                 return 0;
1793         }
1794
1795         /* --- tv standards ------------------------------------------ */
1796         case VIDIOC_ENUMSTD:
1797         {
1798                 struct v4l2_standard *e = arg;
1799                 unsigned int i;
1800
1801                 i = e->index;
1802                 if (i >= TVNORMS)
1803                         return -EINVAL;
1804                 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1805                                                tvnorms[e->index].name);
1806                 e->index = i;
1807                 if (err < 0)
1808                         return err;
1809                 return 0;
1810         }
1811         case VIDIOC_G_STD:
1812         {
1813                 v4l2_std_id *id = arg;
1814
1815                 *id = dev->tvnorm->id;
1816                 return 0;
1817         }
1818         case VIDIOC_S_STD:
1819         {
1820                 v4l2_std_id *id = arg;
1821                 unsigned int i;
1822                 v4l2_std_id fixup;
1823
1824                 for (i = 0; i < TVNORMS; i++)
1825                         if (*id == tvnorms[i].id)
1826                                 break;
1827                 if (i == TVNORMS)
1828                         for (i = 0; i < TVNORMS; i++)
1829                                 if (*id & tvnorms[i].id)
1830                                         break;
1831                 if (i == TVNORMS)
1832                         return -EINVAL;
1833                 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1834                         if (secam[0] == 'L' || secam[0] == 'l') {
1835                                 if (secam[1] == 'C' || secam[1] == 'c')
1836                                         fixup = V4L2_STD_SECAM_LC;
1837                                 else
1838                                         fixup = V4L2_STD_SECAM_L;
1839                         } else {
1840                                 if (secam[0] == 'D' || secam[0] == 'd')
1841                                         fixup = V4L2_STD_SECAM_DK;
1842                                 else
1843                                         fixup = V4L2_STD_SECAM;
1844                         }
1845                         for (i = 0; i < TVNORMS; i++)
1846                                 if (fixup == tvnorms[i].id)
1847                                         break;
1848                 }
1849                 mutex_lock(&dev->lock);
1850                 if (res_check(fh, RESOURCE_OVERLAY)) {
1851                         spin_lock_irqsave(&dev->slock,flags);
1852                         stop_preview(dev,fh);
1853                         spin_unlock_irqrestore(&dev->slock, flags);
1854
1855                         set_tvnorm(dev,&tvnorms[i]);
1856
1857                         spin_lock_irqsave(&dev->slock, flags);
1858                         start_preview(dev,fh);
1859                         spin_unlock_irqrestore(&dev->slock,flags);
1860                 } else
1861                         set_tvnorm(dev,&tvnorms[i]);
1862                 saa7134_tvaudio_do_scan(dev);
1863                 mutex_unlock(&dev->lock);
1864                 return 0;
1865         }
1866
1867         case VIDIOC_CROPCAP:
1868         {
1869                 struct v4l2_cropcap *cap = arg;
1870
1871                 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1872                     cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1873                         return -EINVAL;
1874                 cap->bounds  = dev->crop_bounds;
1875                 cap->defrect = dev->crop_defrect;
1876                 cap->pixelaspect.numerator   = 1;
1877                 cap->pixelaspect.denominator = 1;
1878                 if (dev->tvnorm->id & V4L2_STD_525_60) {
1879                         cap->pixelaspect.numerator   = 11;
1880                         cap->pixelaspect.denominator = 10;
1881                 }
1882                 if (dev->tvnorm->id & V4L2_STD_625_50) {
1883                         cap->pixelaspect.numerator   = 54;
1884                         cap->pixelaspect.denominator = 59;
1885                 }
1886                 return 0;
1887         }
1888
1889         case VIDIOC_G_CROP:
1890         {
1891                 struct v4l2_crop * crop = arg;
1892
1893                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1894                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1895                         return -EINVAL;
1896                 crop->c = dev->crop_current;
1897                 return 0;
1898         }
1899         case VIDIOC_S_CROP:
1900         {
1901                 struct v4l2_crop *crop = arg;
1902                 struct v4l2_rect *b = &dev->crop_bounds;
1903
1904                 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1905                     crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1906                         return -EINVAL;
1907                 if (crop->c.height < 0)
1908                         return -EINVAL;
1909                 if (crop->c.width < 0)
1910                         return -EINVAL;
1911
1912                 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1913                         return -EBUSY;
1914                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1915                         return -EBUSY;
1916
1917                 if (crop->c.top < b->top)
1918                         crop->c.top = b->top;
1919                 if (crop->c.top > b->top + b->height)
1920                         crop->c.top = b->top + b->height;
1921                 if (crop->c.height > b->top - crop->c.top + b->height)
1922                         crop->c.height = b->top - crop->c.top + b->height;
1923
1924                 if (crop->c.left < b->left)
1925                         crop->c.left = b->left;
1926                 if (crop->c.left > b->left + b->width)
1927                         crop->c.left = b->left + b->width;
1928                 if (crop->c.width > b->left - crop->c.left + b->width)
1929                         crop->c.width = b->left - crop->c.left + b->width;
1930
1931                 dev->crop_current = crop->c;
1932                 return 0;
1933         }
1934
1935         /* --- tuner ioctls ------------------------------------------ */
1936         case VIDIOC_G_TUNER:
1937         {
1938                 struct v4l2_tuner *t = arg;
1939                 int n;
1940
1941                 if (0 != t->index)
1942                         return -EINVAL;
1943                 memset(t,0,sizeof(*t));
1944                 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1945                         if (card_in(dev,n).tv)
1946                                 break;
1947                 if (NULL != card_in(dev,n).name) {
1948                         strcpy(t->name, "Television");
1949                         t->type = V4L2_TUNER_ANALOG_TV;
1950                         t->capability = V4L2_TUNER_CAP_NORM |
1951                                 V4L2_TUNER_CAP_STEREO |
1952                                 V4L2_TUNER_CAP_LANG1 |
1953                                 V4L2_TUNER_CAP_LANG2;
1954                         t->rangehigh = 0xffffffffUL;
1955                         t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1956                         t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1957                 }
1958                 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1959                         t->signal = 0xffff;
1960                 return 0;
1961         }
1962         case VIDIOC_S_TUNER:
1963         {
1964                 struct v4l2_tuner *t = arg;
1965                 int rx,mode;
1966
1967                 mode = dev->thread.mode;
1968                 if (UNSET == mode) {
1969                         rx   = saa7134_tvaudio_getstereo(dev);
1970                         mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1971                 }
1972                 if (mode != t->audmode) {
1973                         dev->thread.mode = t->audmode;
1974                 }
1975                 return 0;
1976         }
1977         case VIDIOC_G_FREQUENCY:
1978         {
1979                 struct v4l2_frequency *f = arg;
1980
1981                 memset(f,0,sizeof(*f));
1982                 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1983                 f->frequency = dev->ctl_freq;
1984                 return 0;
1985         }
1986         case VIDIOC_S_FREQUENCY:
1987         {
1988                 struct v4l2_frequency *f = arg;
1989
1990                 if (0 != f->tuner)
1991                         return -EINVAL;
1992                 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1993                         return -EINVAL;
1994                 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1995                         return -EINVAL;
1996                 mutex_lock(&dev->lock);
1997                 dev->ctl_freq = f->frequency;
1998
1999                 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
2000
2001                 saa7134_tvaudio_do_scan(dev);
2002                 mutex_unlock(&dev->lock);
2003                 return 0;
2004         }
2005
2006         /* --- control ioctls ---------------------------------------- */
2007         case VIDIOC_ENUMINPUT:
2008         case VIDIOC_G_INPUT:
2009         case VIDIOC_S_INPUT:
2010         case VIDIOC_QUERYCTRL:
2011         case VIDIOC_G_CTRL:
2012         case VIDIOC_S_CTRL:
2013                 return saa7134_common_ioctl(dev, cmd, arg);
2014
2015         case VIDIOC_G_AUDIO:
2016         {
2017                 struct v4l2_audio *a = arg;
2018
2019                 memset(a,0,sizeof(*a));
2020                 strcpy(a->name,"audio");
2021                 return 0;
2022         }
2023         case VIDIOC_S_AUDIO:
2024                 return 0;
2025         case VIDIOC_G_PARM:
2026         {
2027                 struct v4l2_captureparm *parm = arg;
2028                 memset(parm,0,sizeof(*parm));
2029                 return 0;
2030         }
2031
2032         case VIDIOC_G_PRIORITY:
2033         {
2034                 enum v4l2_priority *p = arg;
2035
2036                 *p = v4l2_prio_max(&dev->prio);
2037                 return 0;
2038         }
2039         case VIDIOC_S_PRIORITY:
2040         {
2041                 enum v4l2_priority *prio = arg;
2042
2043                 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
2044         }
2045
2046         /* --- preview ioctls ---------------------------------------- */
2047         case VIDIOC_ENUM_FMT:
2048         {
2049                 struct v4l2_fmtdesc *f = arg;
2050                 enum v4l2_buf_type type;
2051                 unsigned int index;
2052
2053                 index = f->index;
2054                 type  = f->type;
2055                 switch (type) {
2056                 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2057                 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
2058                         if (saa7134_no_overlay > 0) {
2059                                 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2060                                 return -EINVAL;
2061                         }
2062                         if (index >= FORMATS)
2063                                 return -EINVAL;
2064                         if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
2065                             formats[index].planar)
2066                                 return -EINVAL;
2067                         memset(f,0,sizeof(*f));
2068                         f->index = index;
2069                         f->type  = type;
2070                         strlcpy(f->description,formats[index].name,sizeof(f->description));
2071                         f->pixelformat = formats[index].fourcc;
2072                         break;
2073                 case V4L2_BUF_TYPE_VBI_CAPTURE:
2074                         if (0 != index)
2075                                 return -EINVAL;
2076                         memset(f,0,sizeof(*f));
2077                         f->index = index;
2078                         f->type  = type;
2079                         f->pixelformat = V4L2_PIX_FMT_GREY;
2080                         strcpy(f->description,"vbi data");
2081                         break;
2082                 default:
2083                         return -EINVAL;
2084                 }
2085                 return 0;
2086         }
2087         case VIDIOC_G_FBUF:
2088         {
2089                 struct v4l2_framebuffer *fb = arg;
2090
2091                 *fb = dev->ovbuf;
2092                 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2093                 return 0;
2094         }
2095         case VIDIOC_S_FBUF:
2096         {
2097                 struct v4l2_framebuffer *fb = arg;
2098                 struct saa7134_format *fmt;
2099
2100                 if(!capable(CAP_SYS_ADMIN) &&
2101                    !capable(CAP_SYS_RAWIO))
2102                         return -EPERM;
2103
2104                 /* check args */
2105                 fmt = format_by_fourcc(fb->fmt.pixelformat);
2106                 if (NULL == fmt)
2107                         return -EINVAL;
2108
2109                 /* ok, accept it */
2110                 dev->ovbuf = *fb;
2111                 dev->ovfmt = fmt;
2112                 if (0 == dev->ovbuf.fmt.bytesperline)
2113                         dev->ovbuf.fmt.bytesperline =
2114                                 dev->ovbuf.fmt.width*fmt->depth/8;
2115                 return 0;
2116         }
2117         case VIDIOC_OVERLAY:
2118         {
2119                 int *on = arg;
2120
2121                 if (*on) {
2122                         if (saa7134_no_overlay > 0) {
2123                                 printk ("no_overlay\n");
2124                                 return -EINVAL;
2125                         }
2126
2127                         if (!res_get(dev,fh,RESOURCE_OVERLAY))
2128                                 return -EBUSY;
2129                         spin_lock_irqsave(&dev->slock,flags);
2130                         start_preview(dev,fh);
2131                         spin_unlock_irqrestore(&dev->slock,flags);
2132                 }
2133                 if (!*on) {
2134                         if (!res_check(fh, RESOURCE_OVERLAY))
2135                                 return -EINVAL;
2136                         spin_lock_irqsave(&dev->slock,flags);
2137                         stop_preview(dev,fh);
2138                         spin_unlock_irqrestore(&dev->slock,flags);
2139                         res_free(dev,fh,RESOURCE_OVERLAY);
2140                 }
2141                 return 0;
2142         }
2143
2144         /* --- capture ioctls ---------------------------------------- */
2145         case VIDIOC_G_FMT:
2146         {
2147                 struct v4l2_format *f = arg;
2148                 return saa7134_g_fmt(dev,fh,f);
2149         }
2150         case VIDIOC_S_FMT:
2151         {
2152                 struct v4l2_format *f = arg;
2153                 return saa7134_s_fmt(dev,fh,f);
2154         }
2155         case VIDIOC_TRY_FMT:
2156         {
2157                 struct v4l2_format *f = arg;
2158                 return saa7134_try_fmt(dev,fh,f);
2159         }
2160 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2161         case VIDIOCGMBUF:
2162                 return videobuf_cgmbuf(saa7134_queue(fh), arg, gbuffers);
2163 #endif
2164         case VIDIOC_REQBUFS:
2165                 return videobuf_reqbufs(saa7134_queue(fh),arg);
2166
2167         case VIDIOC_QUERYBUF:
2168                 return videobuf_querybuf(saa7134_queue(fh),arg);
2169
2170         case VIDIOC_QBUF:
2171                 return videobuf_qbuf(saa7134_queue(fh),arg);
2172
2173         case VIDIOC_DQBUF:
2174                 return videobuf_dqbuf(saa7134_queue(fh),arg,
2175                                       file->f_flags & O_NONBLOCK);
2176
2177         case VIDIOC_STREAMON:
2178         {
2179                 int res = saa7134_resource(fh);
2180
2181                 if (!res_get(dev,fh,res))
2182                         return -EBUSY;
2183                 return videobuf_streamon(saa7134_queue(fh));
2184         }
2185         case VIDIOC_STREAMOFF:
2186         {
2187                 int res = saa7134_resource(fh);
2188
2189                 err = videobuf_streamoff(saa7134_queue(fh));
2190                 if (err < 0)
2191                         return err;
2192                 res_free(dev,fh,res);
2193                 return 0;
2194         }
2195
2196         default:
2197                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2198                                                   video_do_ioctl);
2199         }
2200         return 0;
2201 }
2202
2203 static int video_ioctl(struct inode *inode, struct file *file,
2204                        unsigned int cmd, unsigned long arg)
2205 {
2206         return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2207 }
2208
2209 static int radio_do_ioctl(struct inode *inode, struct file *file,
2210                           unsigned int cmd, void *arg)
2211 {
2212         struct saa7134_fh *fh = file->private_data;
2213         struct saa7134_dev *dev = fh->dev;
2214
2215         if (video_debug > 1)
2216                 v4l_print_ioctl(dev->name,cmd);
2217         switch (cmd) {
2218         case VIDIOC_QUERYCAP:
2219         {
2220                 struct v4l2_capability *cap = arg;
2221
2222                 memset(cap,0,sizeof(*cap));
2223                 strcpy(cap->driver, "saa7134");
2224                 strlcpy(cap->card, saa7134_boards[dev->board].name,
2225                         sizeof(cap->card));
2226                 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2227                 cap->version = SAA7134_VERSION_CODE;
2228                 cap->capabilities = V4L2_CAP_TUNER;
2229                 return 0;
2230         }
2231         case VIDIOC_G_TUNER:
2232         {
2233                 struct v4l2_tuner *t = arg;
2234
2235                 if (0 != t->index)
2236                         return -EINVAL;
2237
2238                 memset(t,0,sizeof(*t));
2239                 strcpy(t->name, "Radio");
2240                 t->type = V4L2_TUNER_RADIO;
2241
2242                 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2243                 if (dev->input->amux == TV) {
2244                         t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2245                         t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2246                                         V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2247                 }
2248                 return 0;
2249         }
2250         case VIDIOC_S_TUNER:
2251         {
2252                 struct v4l2_tuner *t = arg;
2253
2254                 if (0 != t->index)
2255                         return -EINVAL;
2256
2257                 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2258
2259                 return 0;
2260         }
2261         case VIDIOC_ENUMINPUT:
2262         {
2263                 struct v4l2_input *i = arg;
2264
2265                 if (i->index != 0)
2266                         return -EINVAL;
2267                 strcpy(i->name,"Radio");
2268                 i->type = V4L2_INPUT_TYPE_TUNER;
2269                 return 0;
2270         }
2271         case VIDIOC_G_INPUT:
2272         {
2273                 int *i = arg;
2274                 *i = 0;
2275                 return 0;
2276         }
2277         case VIDIOC_G_AUDIO:
2278         {
2279                 struct v4l2_audio *a = arg;
2280
2281                 memset(a,0,sizeof(*a));
2282                 strcpy(a->name,"Radio");
2283                 return 0;
2284         }
2285         case VIDIOC_G_STD:
2286         {
2287                 v4l2_std_id *id = arg;
2288                 *id = 0;
2289                 return 0;
2290         }
2291         case VIDIOC_S_AUDIO:
2292         case VIDIOC_S_INPUT:
2293         case VIDIOC_S_STD:
2294                 return 0;
2295
2296         case VIDIOC_QUERYCTRL:
2297         {
2298                 const struct v4l2_queryctrl *ctrl;
2299                 struct v4l2_queryctrl *c = arg;
2300
2301                 if (c->id <  V4L2_CID_BASE ||
2302                     c->id >= V4L2_CID_LASTP1)
2303                         return -EINVAL;
2304                 if (c->id == V4L2_CID_AUDIO_MUTE) {
2305                         ctrl = ctrl_by_id(c->id);
2306                         *c = *ctrl;
2307                 } else
2308                         *c = no_ctrl;
2309                 return 0;
2310         }
2311
2312         case VIDIOC_G_CTRL:
2313         case VIDIOC_S_CTRL:
2314         case VIDIOC_G_FREQUENCY:
2315         case VIDIOC_S_FREQUENCY:
2316                 return video_do_ioctl(inode,file,cmd,arg);
2317
2318         default:
2319                 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2320                                                   radio_do_ioctl);
2321         }
2322         return 0;
2323 }
2324
2325 static int radio_ioctl(struct inode *inode, struct file *file,
2326                        unsigned int cmd, unsigned long arg)
2327 {
2328         return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2329 }
2330
2331 static const struct file_operations video_fops =
2332 {
2333         .owner    = THIS_MODULE,
2334         .open     = video_open,
2335         .release  = video_release,
2336         .read     = video_read,
2337         .poll     = video_poll,
2338         .mmap     = video_mmap,
2339         .ioctl    = video_ioctl,
2340         .compat_ioctl   = v4l_compat_ioctl32,
2341         .llseek   = no_llseek,
2342 };
2343
2344 static const struct file_operations radio_fops =
2345 {
2346         .owner    = THIS_MODULE,
2347         .open     = video_open,
2348         .release  = video_release,
2349         .ioctl    = radio_ioctl,
2350         .compat_ioctl   = v4l_compat_ioctl32,
2351         .llseek   = no_llseek,
2352 };
2353
2354 /* ----------------------------------------------------------- */
2355 /* exported stuff                                              */
2356
2357 struct video_device saa7134_video_template =
2358 {
2359         .name          = "saa7134-video",
2360         .type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
2361                          VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2362         .fops          = &video_fops,
2363         .minor         = -1,
2364 };
2365
2366 struct video_device saa7134_vbi_template =
2367 {
2368         .name          = "saa7134-vbi",
2369         .type          = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2370         .fops          = &video_fops,
2371         .minor         = -1,
2372 };
2373
2374 struct video_device saa7134_radio_template =
2375 {
2376         .name          = "saa7134-radio",
2377         .type          = VID_TYPE_TUNER,
2378         .fops          = &radio_fops,
2379         .minor         = -1,
2380 };
2381
2382 int saa7134_video_init1(struct saa7134_dev *dev)
2383 {
2384         /* sanitycheck insmod options */
2385         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2386                 gbuffers = 2;
2387         if (gbufsize < 0 || gbufsize > gbufsize_max)
2388                 gbufsize = gbufsize_max;
2389         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2390
2391         /* put some sensible defaults into the data structures ... */
2392         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2393         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2394         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2395         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2396         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2397         dev->ctl_mute       = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2398         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2399         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2400
2401         if (dev->tda9887_conf && dev->ctl_automute)
2402                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2403         dev->automute       = 0;
2404
2405         INIT_LIST_HEAD(&dev->video_q.queue);
2406         init_timer(&dev->video_q.timeout);
2407         dev->video_q.timeout.function = saa7134_buffer_timeout;
2408         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2409         dev->video_q.dev              = dev;
2410
2411         if (saa7134_boards[dev->board].video_out)
2412                 saa7134_videoport_init(dev);
2413
2414         return 0;
2415 }
2416
2417 int saa7134_videoport_init(struct saa7134_dev *dev)
2418 {
2419         /* enable video output */
2420         int vo = saa7134_boards[dev->board].video_out;
2421         int video_reg;
2422         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2423         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2424         video_reg = video_out[vo][1];
2425         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2426                 video_reg &= ~VP_T_CODE_P_INVERTED;
2427         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2428         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2429         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2430         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2431         video_reg = video_out[vo][5];
2432         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2433                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2434         if (vid_port_opts & SET_CLOCK_INVERTED)
2435                 video_reg |= VP_CLK_CTRL1_INVERTED;
2436         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2437         video_reg = video_out[vo][6];
2438         if (vid_port_opts & SET_VSYNC_OFF) {
2439                 video_reg &= ~VP_VS_TYPE_MASK;
2440                 video_reg |= VP_VS_TYPE_OFF;
2441         }
2442         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2443         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2444         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2445
2446         return 0;
2447 }
2448
2449 int saa7134_video_init2(struct saa7134_dev *dev)
2450 {
2451         /* init video hw */
2452         set_tvnorm(dev,&tvnorms[0]);
2453         video_mux(dev,0);
2454         saa7134_tvaudio_setmute(dev);
2455         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2456         return 0;
2457 }
2458
2459 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2460 {
2461         static const char *st[] = {
2462                 "(no signal)", "NTSC", "PAL", "SECAM" };
2463         u32 st1,st2;
2464
2465         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2466         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2467         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2468                 (st1 & 0x40) ? "not locked" : "locked",
2469                 (st2 & 0x40) ? "no"         : "yes",
2470                 st[st1 & 0x03]);
2471         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2472
2473         if (dev->nosignal) {
2474                 /* no video signal -> mute audio */
2475                 if (dev->ctl_automute)
2476                         dev->automute = 1;
2477                 saa7134_tvaudio_setmute(dev);
2478         } else {
2479                 /* wake up tvaudio audio carrier scan thread */
2480                 saa7134_tvaudio_do_scan(dev);
2481         }
2482
2483         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2484                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2485         else
2486                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2487
2488         if (dev->mops && dev->mops->signal_change)
2489                 dev->mops->signal_change(dev);
2490 }
2491
2492
2493 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2494 {
2495         enum v4l2_field field;
2496
2497         spin_lock(&dev->slock);
2498         if (dev->video_q.curr) {
2499                 dev->video_fieldcount++;
2500                 field = dev->video_q.curr->vb.field;
2501                 if (V4L2_FIELD_HAS_BOTH(field)) {
2502                         /* make sure we have seen both fields */
2503                         if ((status & 0x10) == 0x00) {
2504                                 dev->video_q.curr->top_seen = 1;
2505                                 goto done;
2506                         }
2507                         if (!dev->video_q.curr->top_seen)
2508                                 goto done;
2509                 } else if (field == V4L2_FIELD_TOP) {
2510                         if ((status & 0x10) != 0x10)
2511                                 goto done;
2512                 } else if (field == V4L2_FIELD_BOTTOM) {
2513                         if ((status & 0x10) != 0x00)
2514                                 goto done;
2515                 }
2516                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2517                 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2518         }
2519         saa7134_buffer_next(dev,&dev->video_q);
2520
2521  done:
2522         spin_unlock(&dev->slock);
2523 }
2524
2525 /* ----------------------------------------------------------- */
2526 /*
2527  * Local variables:
2528  * c-basic-offset: 8
2529  * End:
2530  */