Merge branch 'linux-next' of git://git.infradead.org/ubi-2.6
[sfrench/cifs-2.6.git] / 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 #include <media/rds.h>
34
35 /* ------------------------------------------------------------------ */
36
37 unsigned int video_debug;
38 static unsigned int gbuffers      = 8;
39 static unsigned int noninterlaced; /* 0 */
40 static unsigned int gbufsize      = 720*576*4;
41 static unsigned int gbufsize_max  = 720*576*4;
42 static char secam[] = "--";
43 module_param(video_debug, int, 0644);
44 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
45 module_param(gbuffers, int, 0444);
46 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
47 module_param(noninterlaced, int, 0644);
48 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
49 module_param_string(secam, secam, sizeof(secam), 0644);
50 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
51
52
53 #define dprintk(fmt, arg...)    if (video_debug&0x04) \
54         printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
55
56 /* ------------------------------------------------------------------ */
57 /* Defines for Video Output Port Register at address 0x191            */
58
59 /* Bit 0: VIP code T bit polarity */
60
61 #define VP_T_CODE_P_NON_INVERTED        0x00
62 #define VP_T_CODE_P_INVERTED            0x01
63
64 /* ------------------------------------------------------------------ */
65 /* Defines for Video Output Port Register at address 0x195            */
66
67 /* Bit 2: Video output clock delay control */
68
69 #define VP_CLK_CTRL2_NOT_DELAYED        0x00
70 #define VP_CLK_CTRL2_DELAYED            0x04
71
72 /* Bit 1: Video output clock invert control */
73
74 #define VP_CLK_CTRL1_NON_INVERTED       0x00
75 #define VP_CLK_CTRL1_INVERTED           0x02
76
77 /* ------------------------------------------------------------------ */
78 /* Defines for Video Output Port Register at address 0x196            */
79
80 /* Bits 2 to 0: VSYNC pin video vertical sync type */
81
82 #define VP_VS_TYPE_MASK                 0x07
83
84 #define VP_VS_TYPE_OFF                  0x00
85 #define VP_VS_TYPE_V123                 0x01
86 #define VP_VS_TYPE_V_ITU                0x02
87 #define VP_VS_TYPE_VGATE_L              0x03
88 #define VP_VS_TYPE_RESERVED1            0x04
89 #define VP_VS_TYPE_RESERVED2            0x05
90 #define VP_VS_TYPE_F_ITU                0x06
91 #define VP_VS_TYPE_SC_FID               0x07
92
93 /* ------------------------------------------------------------------ */
94 /* data structs for video                                             */
95
96 static int video_out[][9] = {
97         [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
98 };
99
100 static struct saa7134_format formats[] = {
101         {
102                 .name     = "8 bpp gray",
103                 .fourcc   = V4L2_PIX_FMT_GREY,
104                 .depth    = 8,
105                 .pm       = 0x06,
106         },{
107                 .name     = "15 bpp RGB, le",
108                 .fourcc   = V4L2_PIX_FMT_RGB555,
109                 .depth    = 16,
110                 .pm       = 0x13 | 0x80,
111         },{
112                 .name     = "15 bpp RGB, be",
113                 .fourcc   = V4L2_PIX_FMT_RGB555X,
114                 .depth    = 16,
115                 .pm       = 0x13 | 0x80,
116                 .bswap    = 1,
117         },{
118                 .name     = "16 bpp RGB, le",
119                 .fourcc   = V4L2_PIX_FMT_RGB565,
120                 .depth    = 16,
121                 .pm       = 0x10 | 0x80,
122         },{
123                 .name     = "16 bpp RGB, be",
124                 .fourcc   = V4L2_PIX_FMT_RGB565X,
125                 .depth    = 16,
126                 .pm       = 0x10 | 0x80,
127                 .bswap    = 1,
128         },{
129                 .name     = "24 bpp RGB, le",
130                 .fourcc   = V4L2_PIX_FMT_BGR24,
131                 .depth    = 24,
132                 .pm       = 0x11,
133         },{
134                 .name     = "24 bpp RGB, be",
135                 .fourcc   = V4L2_PIX_FMT_RGB24,
136                 .depth    = 24,
137                 .pm       = 0x11,
138                 .bswap    = 1,
139         },{
140                 .name     = "32 bpp RGB, le",
141                 .fourcc   = V4L2_PIX_FMT_BGR32,
142                 .depth    = 32,
143                 .pm       = 0x12,
144         },{
145                 .name     = "32 bpp RGB, be",
146                 .fourcc   = V4L2_PIX_FMT_RGB32,
147                 .depth    = 32,
148                 .pm       = 0x12,
149                 .bswap    = 1,
150                 .wswap    = 1,
151         },{
152                 .name     = "4:2:2 packed, YUYV",
153                 .fourcc   = V4L2_PIX_FMT_YUYV,
154                 .depth    = 16,
155                 .pm       = 0x00,
156                 .bswap    = 1,
157                 .yuv      = 1,
158         },{
159                 .name     = "4:2:2 packed, UYVY",
160                 .fourcc   = V4L2_PIX_FMT_UYVY,
161                 .depth    = 16,
162                 .pm       = 0x00,
163                 .yuv      = 1,
164         },{
165                 .name     = "4:2:2 planar, Y-Cb-Cr",
166                 .fourcc   = V4L2_PIX_FMT_YUV422P,
167                 .depth    = 16,
168                 .pm       = 0x09,
169                 .yuv      = 1,
170                 .planar   = 1,
171                 .hshift   = 1,
172                 .vshift   = 0,
173         },{
174                 .name     = "4:2:0 planar, Y-Cb-Cr",
175                 .fourcc   = V4L2_PIX_FMT_YUV420,
176                 .depth    = 12,
177                 .pm       = 0x0a,
178                 .yuv      = 1,
179                 .planar   = 1,
180                 .hshift   = 1,
181                 .vshift   = 1,
182         },{
183                 .name     = "4:2:0 planar, Y-Cb-Cr",
184                 .fourcc   = V4L2_PIX_FMT_YVU420,
185                 .depth    = 12,
186                 .pm       = 0x0a,
187                 .yuv      = 1,
188                 .planar   = 1,
189                 .uvswap   = 1,
190                 .hshift   = 1,
191                 .vshift   = 1,
192         }
193 };
194 #define FORMATS ARRAY_SIZE(formats)
195
196 #define NORM_625_50                     \
197                 .h_start       = 0,     \
198                 .h_stop        = 719,   \
199                 .video_v_start = 24,    \
200                 .video_v_stop  = 311,   \
201                 .vbi_v_start_0 = 7,     \
202                 .vbi_v_stop_0  = 22,    \
203                 .vbi_v_start_1 = 319,   \
204                 .src_timing    = 4
205
206 #define NORM_525_60                     \
207                 .h_start       = 0,     \
208                 .h_stop        = 703,   \
209                 .video_v_start = 23,    \
210                 .video_v_stop  = 262,   \
211                 .vbi_v_start_0 = 10,    \
212                 .vbi_v_stop_0  = 21,    \
213                 .vbi_v_start_1 = 273,   \
214                 .src_timing    = 7
215
216 static struct saa7134_tvnorm tvnorms[] = {
217         {
218                 .name          = "PAL", /* autodetect */
219                 .id            = V4L2_STD_PAL,
220                 NORM_625_50,
221
222                 .sync_control  = 0x18,
223                 .luma_control  = 0x40,
224                 .chroma_ctrl1  = 0x81,
225                 .chroma_gain   = 0x2a,
226                 .chroma_ctrl2  = 0x06,
227                 .vgate_misc    = 0x1c,
228
229         },{
230                 .name          = "PAL-BG",
231                 .id            = V4L2_STD_PAL_BG,
232                 NORM_625_50,
233
234                 .sync_control  = 0x18,
235                 .luma_control  = 0x40,
236                 .chroma_ctrl1  = 0x81,
237                 .chroma_gain   = 0x2a,
238                 .chroma_ctrl2  = 0x06,
239                 .vgate_misc    = 0x1c,
240
241         },{
242                 .name          = "PAL-I",
243                 .id            = V4L2_STD_PAL_I,
244                 NORM_625_50,
245
246                 .sync_control  = 0x18,
247                 .luma_control  = 0x40,
248                 .chroma_ctrl1  = 0x81,
249                 .chroma_gain   = 0x2a,
250                 .chroma_ctrl2  = 0x06,
251                 .vgate_misc    = 0x1c,
252
253         },{
254                 .name          = "PAL-DK",
255                 .id            = V4L2_STD_PAL_DK,
256                 NORM_625_50,
257
258                 .sync_control  = 0x18,
259                 .luma_control  = 0x40,
260                 .chroma_ctrl1  = 0x81,
261                 .chroma_gain   = 0x2a,
262                 .chroma_ctrl2  = 0x06,
263                 .vgate_misc    = 0x1c,
264
265         },{
266                 .name          = "NTSC",
267                 .id            = V4L2_STD_NTSC,
268                 NORM_525_60,
269
270                 .sync_control  = 0x59,
271                 .luma_control  = 0x40,
272                 .chroma_ctrl1  = 0x89,
273                 .chroma_gain   = 0x2a,
274                 .chroma_ctrl2  = 0x0e,
275                 .vgate_misc    = 0x18,
276
277         },{
278                 .name          = "SECAM",
279                 .id            = V4L2_STD_SECAM,
280                 NORM_625_50,
281
282                 .sync_control  = 0x18,
283                 .luma_control  = 0x1b,
284                 .chroma_ctrl1  = 0xd1,
285                 .chroma_gain   = 0x80,
286                 .chroma_ctrl2  = 0x00,
287                 .vgate_misc    = 0x1c,
288
289         },{
290                 .name          = "SECAM-DK",
291                 .id            = V4L2_STD_SECAM_DK,
292                 NORM_625_50,
293
294                 .sync_control  = 0x18,
295                 .luma_control  = 0x1b,
296                 .chroma_ctrl1  = 0xd1,
297                 .chroma_gain   = 0x80,
298                 .chroma_ctrl2  = 0x00,
299                 .vgate_misc    = 0x1c,
300
301         },{
302                 .name          = "SECAM-L",
303                 .id            = V4L2_STD_SECAM_L,
304                 NORM_625_50,
305
306                 .sync_control  = 0x18,
307                 .luma_control  = 0x1b,
308                 .chroma_ctrl1  = 0xd1,
309                 .chroma_gain   = 0x80,
310                 .chroma_ctrl2  = 0x00,
311                 .vgate_misc    = 0x1c,
312
313         },{
314                 .name          = "SECAM-Lc",
315                 .id            = V4L2_STD_SECAM_LC,
316                 NORM_625_50,
317
318                 .sync_control  = 0x18,
319                 .luma_control  = 0x1b,
320                 .chroma_ctrl1  = 0xd1,
321                 .chroma_gain   = 0x80,
322                 .chroma_ctrl2  = 0x00,
323                 .vgate_misc    = 0x1c,
324
325         },{
326                 .name          = "PAL-M",
327                 .id            = V4L2_STD_PAL_M,
328                 NORM_525_60,
329
330                 .sync_control  = 0x59,
331                 .luma_control  = 0x40,
332                 .chroma_ctrl1  = 0xb9,
333                 .chroma_gain   = 0x2a,
334                 .chroma_ctrl2  = 0x0e,
335                 .vgate_misc    = 0x18,
336
337         },{
338                 .name          = "PAL-Nc",
339                 .id            = V4L2_STD_PAL_Nc,
340                 NORM_625_50,
341
342                 .sync_control  = 0x18,
343                 .luma_control  = 0x40,
344                 .chroma_ctrl1  = 0xa1,
345                 .chroma_gain   = 0x2a,
346                 .chroma_ctrl2  = 0x06,
347                 .vgate_misc    = 0x1c,
348
349         },{
350                 .name          = "PAL-60",
351                 .id            = V4L2_STD_PAL_60,
352
353                 .h_start       = 0,
354                 .h_stop        = 719,
355                 .video_v_start = 23,
356                 .video_v_stop  = 262,
357                 .vbi_v_start_0 = 10,
358                 .vbi_v_stop_0  = 21,
359                 .vbi_v_start_1 = 273,
360                 .src_timing    = 7,
361
362                 .sync_control  = 0x18,
363                 .luma_control  = 0x40,
364                 .chroma_ctrl1  = 0x81,
365                 .chroma_gain   = 0x2a,
366                 .chroma_ctrl2  = 0x06,
367                 .vgate_misc    = 0x1c,
368         }
369 };
370 #define TVNORMS ARRAY_SIZE(tvnorms)
371
372 #define V4L2_CID_PRIVATE_INVERT      (V4L2_CID_PRIVATE_BASE + 0)
373 #define V4L2_CID_PRIVATE_Y_ODD       (V4L2_CID_PRIVATE_BASE + 1)
374 #define V4L2_CID_PRIVATE_Y_EVEN      (V4L2_CID_PRIVATE_BASE + 2)
375 #define V4L2_CID_PRIVATE_AUTOMUTE    (V4L2_CID_PRIVATE_BASE + 3)
376 #define V4L2_CID_PRIVATE_LASTP1      (V4L2_CID_PRIVATE_BASE + 4)
377
378 static const struct v4l2_queryctrl no_ctrl = {
379         .name  = "42",
380         .flags = V4L2_CTRL_FLAG_DISABLED,
381 };
382 static const struct v4l2_queryctrl video_ctrls[] = {
383         /* --- video --- */
384         {
385                 .id            = V4L2_CID_BRIGHTNESS,
386                 .name          = "Brightness",
387                 .minimum       = 0,
388                 .maximum       = 255,
389                 .step          = 1,
390                 .default_value = 128,
391                 .type          = V4L2_CTRL_TYPE_INTEGER,
392         },{
393                 .id            = V4L2_CID_CONTRAST,
394                 .name          = "Contrast",
395                 .minimum       = 0,
396                 .maximum       = 127,
397                 .step          = 1,
398                 .default_value = 68,
399                 .type          = V4L2_CTRL_TYPE_INTEGER,
400         },{
401                 .id            = V4L2_CID_SATURATION,
402                 .name          = "Saturation",
403                 .minimum       = 0,
404                 .maximum       = 127,
405                 .step          = 1,
406                 .default_value = 64,
407                 .type          = V4L2_CTRL_TYPE_INTEGER,
408         },{
409                 .id            = V4L2_CID_HUE,
410                 .name          = "Hue",
411                 .minimum       = -128,
412                 .maximum       = 127,
413                 .step          = 1,
414                 .default_value = 0,
415                 .type          = V4L2_CTRL_TYPE_INTEGER,
416         },{
417                 .id            = V4L2_CID_HFLIP,
418                 .name          = "Mirror",
419                 .minimum       = 0,
420                 .maximum       = 1,
421                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
422         },
423         /* --- audio --- */
424         {
425                 .id            = V4L2_CID_AUDIO_MUTE,
426                 .name          = "Mute",
427                 .minimum       = 0,
428                 .maximum       = 1,
429                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
430         },{
431                 .id            = V4L2_CID_AUDIO_VOLUME,
432                 .name          = "Volume",
433                 .minimum       = -15,
434                 .maximum       = 15,
435                 .step          = 1,
436                 .default_value = 0,
437                 .type          = V4L2_CTRL_TYPE_INTEGER,
438         },
439         /* --- private --- */
440         {
441                 .id            = V4L2_CID_PRIVATE_INVERT,
442                 .name          = "Invert",
443                 .minimum       = 0,
444                 .maximum       = 1,
445                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
446         },{
447                 .id            = V4L2_CID_PRIVATE_Y_ODD,
448                 .name          = "y offset odd field",
449                 .minimum       = 0,
450                 .maximum       = 128,
451                 .step          = 1,
452                 .default_value = 0,
453                 .type          = V4L2_CTRL_TYPE_INTEGER,
454         },{
455                 .id            = V4L2_CID_PRIVATE_Y_EVEN,
456                 .name          = "y offset even field",
457                 .minimum       = 0,
458                 .maximum       = 128,
459                 .step          = 1,
460                 .default_value = 0,
461                 .type          = V4L2_CTRL_TYPE_INTEGER,
462         },{
463                 .id            = V4L2_CID_PRIVATE_AUTOMUTE,
464                 .name          = "automute",
465                 .minimum       = 0,
466                 .maximum       = 1,
467                 .default_value = 1,
468                 .type          = V4L2_CTRL_TYPE_BOOLEAN,
469         }
470 };
471 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
472
473 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
474 {
475         unsigned int i;
476
477         for (i = 0; i < CTRLS; i++)
478                 if (video_ctrls[i].id == id)
479                         return video_ctrls+i;
480         return NULL;
481 }
482
483 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
484 {
485         unsigned int i;
486
487         for (i = 0; i < FORMATS; i++)
488                 if (formats[i].fourcc == fourcc)
489                         return formats+i;
490         return NULL;
491 }
492
493 /* ----------------------------------------------------------------------- */
494 /* resource management                                                     */
495
496 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
497 {
498         if (fh->resources & bit)
499                 /* have it already allocated */
500                 return 1;
501
502         /* is it free? */
503         mutex_lock(&dev->lock);
504         if (dev->resources & bit) {
505                 /* no, someone else uses it */
506                 mutex_unlock(&dev->lock);
507                 return 0;
508         }
509         /* it's free, grab it */
510         fh->resources  |= bit;
511         dev->resources |= bit;
512         dprintk("res: get %d\n",bit);
513         mutex_unlock(&dev->lock);
514         return 1;
515 }
516
517 static int res_check(struct saa7134_fh *fh, unsigned int bit)
518 {
519         return (fh->resources & bit);
520 }
521
522 static int res_locked(struct saa7134_dev *dev, unsigned int bit)
523 {
524         return (dev->resources & bit);
525 }
526
527 static
528 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
529 {
530         BUG_ON((fh->resources & bits) != bits);
531
532         mutex_lock(&dev->lock);
533         fh->resources  &= ~bits;
534         dev->resources &= ~bits;
535         dprintk("res: put %d\n",bits);
536         mutex_unlock(&dev->lock);
537 }
538
539 /* ------------------------------------------------------------------ */
540
541 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
542 {
543         dprintk("set tv norm = %s\n",norm->name);
544         dev->tvnorm = norm;
545
546         /* setup cropping */
547         dev->crop_bounds.left    = norm->h_start;
548         dev->crop_defrect.left   = norm->h_start;
549         dev->crop_bounds.width   = norm->h_stop - norm->h_start +1;
550         dev->crop_defrect.width  = norm->h_stop - norm->h_start +1;
551
552         dev->crop_bounds.top     = (norm->vbi_v_stop_0+1)*2;
553         dev->crop_defrect.top    = norm->video_v_start*2;
554         dev->crop_bounds.height  = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
555                 - dev->crop_bounds.top;
556         dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
557
558         dev->crop_current = dev->crop_defrect;
559
560         saa7134_set_tvnorm_hw(dev);
561 }
562
563 static void video_mux(struct saa7134_dev *dev, int input)
564 {
565         dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
566         dev->ctl_input = input;
567         set_tvnorm(dev, dev->tvnorm);
568         saa7134_tvaudio_setinput(dev, &card_in(dev, input));
569 }
570
571
572 static void saa7134_set_decoder(struct saa7134_dev *dev)
573 {
574         int luma_control, sync_control, mux;
575
576         struct saa7134_tvnorm *norm = dev->tvnorm;
577         mux = card_in(dev, dev->ctl_input).vmux;
578
579         luma_control = norm->luma_control;
580         sync_control = norm->sync_control;
581
582         if (mux > 5)
583                 luma_control |= 0x80; /* svideo */
584         if (noninterlaced || dev->nosignal)
585                 sync_control |= 0x20;
586
587         /* setup video decoder */
588         saa_writeb(SAA7134_INCR_DELAY,            0x08);
589         saa_writeb(SAA7134_ANALOG_IN_CTRL1,       0xc0 | mux);
590         saa_writeb(SAA7134_ANALOG_IN_CTRL2,       0x00);
591
592         saa_writeb(SAA7134_ANALOG_IN_CTRL3,       0x90);
593         saa_writeb(SAA7134_ANALOG_IN_CTRL4,       0x90);
594         saa_writeb(SAA7134_HSYNC_START,           0xeb);
595         saa_writeb(SAA7134_HSYNC_STOP,            0xe0);
596         saa_writeb(SAA7134_SOURCE_TIMING1,        norm->src_timing);
597
598         saa_writeb(SAA7134_SYNC_CTRL,             sync_control);
599         saa_writeb(SAA7134_LUMA_CTRL,             luma_control);
600         saa_writeb(SAA7134_DEC_LUMA_BRIGHT,       dev->ctl_bright);
601
602         saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
603                 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
604
605         saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
606                 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
607
608         saa_writeb(SAA7134_DEC_CHROMA_HUE,        dev->ctl_hue);
609         saa_writeb(SAA7134_CHROMA_CTRL1,          norm->chroma_ctrl1);
610         saa_writeb(SAA7134_CHROMA_GAIN,           norm->chroma_gain);
611
612         saa_writeb(SAA7134_CHROMA_CTRL2,          norm->chroma_ctrl2);
613         saa_writeb(SAA7134_MODE_DELAY_CTRL,       0x00);
614
615         saa_writeb(SAA7134_ANALOG_ADC,            0x01);
616         saa_writeb(SAA7134_VGATE_START,           0x11);
617         saa_writeb(SAA7134_VGATE_STOP,            0xfe);
618         saa_writeb(SAA7134_MISC_VGATE_MSB,        norm->vgate_misc);
619         saa_writeb(SAA7134_RAW_DATA_GAIN,         0x40);
620         saa_writeb(SAA7134_RAW_DATA_OFFSET,       0x80);
621 }
622
623 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
624 {
625         saa7134_set_decoder(dev);
626
627         if (card_in(dev, dev->ctl_input).tv)
628                 saa_call_all(dev, tuner, s_std, dev->tvnorm->id);
629         /* Set the correct norm for the saa6752hs. This function
630            does nothing if there is no saa6752hs. */
631         saa_call_empress(dev, tuner, s_std, dev->tvnorm->id);
632 }
633
634 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
635 {
636         static const struct {
637                 int xpsc;
638                 int xacl;
639                 int xc2_1;
640                 int xdcg;
641                 int vpfy;
642         } vals[] = {
643                 /* XPSC XACL XC2_1 XDCG VPFY */
644                 {    1,   0,    0,    0,   0 },
645                 {    2,   2,    1,    2,   2 },
646                 {    3,   4,    1,    3,   2 },
647                 {    4,   8,    1,    4,   2 },
648                 {    5,   8,    1,    4,   2 },
649                 {    6,   8,    1,    4,   3 },
650                 {    7,   8,    1,    4,   3 },
651                 {    8,  15,    0,    4,   3 },
652                 {    9,  15,    0,    4,   3 },
653                 {   10,  16,    1,    5,   3 },
654         };
655         static const int count = ARRAY_SIZE(vals);
656         int i;
657
658         for (i = 0; i < count; i++)
659                 if (vals[i].xpsc == prescale)
660                         break;
661         if (i == count)
662                 return;
663
664         saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
665         saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
666         saa_writeb(SAA7134_LEVEL_CTRL(task),
667                    (vals[i].xc2_1 << 3) | (vals[i].xdcg));
668         saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
669                    (vals[i].vpfy << 2) | vals[i].vpfy);
670 }
671
672 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
673 {
674         int val,mirror;
675
676         saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale &  0xff);
677         saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
678
679         mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
680         if (yscale < 2048) {
681                 /* LPI */
682                 dprintk("yscale LPI yscale=%d\n",yscale);
683                 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
684                 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
685                 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
686         } else {
687                 /* ACM */
688                 val = 0x40 * 1024 / yscale;
689                 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
690                 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
691                 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
692                 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
693         }
694         saa_writeb(SAA7134_LUMA_BRIGHT(task),       0x80);
695 }
696
697 static void set_size(struct saa7134_dev *dev, int task,
698                      int width, int height, int interlace)
699 {
700         int prescale,xscale,yscale,y_even,y_odd;
701         int h_start, h_stop, v_start, v_stop;
702         int div = interlace ? 2 : 1;
703
704         /* setup video scaler */
705         h_start = dev->crop_current.left;
706         v_start = dev->crop_current.top/2;
707         h_stop  = (dev->crop_current.left + dev->crop_current.width -1);
708         v_stop  = (dev->crop_current.top + dev->crop_current.height -1)/2;
709
710         saa_writeb(SAA7134_VIDEO_H_START1(task), h_start &  0xff);
711         saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
712         saa_writeb(SAA7134_VIDEO_H_STOP1(task),  h_stop  &  0xff);
713         saa_writeb(SAA7134_VIDEO_H_STOP2(task),  h_stop  >> 8);
714         saa_writeb(SAA7134_VIDEO_V_START1(task), v_start &  0xff);
715         saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
716         saa_writeb(SAA7134_VIDEO_V_STOP1(task),  v_stop  &  0xff);
717         saa_writeb(SAA7134_VIDEO_V_STOP2(task),  v_stop  >> 8);
718
719         prescale = dev->crop_current.width / width;
720         if (0 == prescale)
721                 prescale = 1;
722         xscale = 1024 * dev->crop_current.width / prescale / width;
723         yscale = 512 * div * dev->crop_current.height / height;
724         dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
725         set_h_prescale(dev,task,prescale);
726         saa_writeb(SAA7134_H_SCALE_INC1(task),      xscale &  0xff);
727         saa_writeb(SAA7134_H_SCALE_INC2(task),      xscale >> 8);
728         set_v_scale(dev,task,yscale);
729
730         saa_writeb(SAA7134_VIDEO_PIXELS1(task),     width  & 0xff);
731         saa_writeb(SAA7134_VIDEO_PIXELS2(task),     width  >> 8);
732         saa_writeb(SAA7134_VIDEO_LINES1(task),      height/div & 0xff);
733         saa_writeb(SAA7134_VIDEO_LINES2(task),      height/div >> 8);
734
735         /* deinterlace y offsets */
736         y_odd  = dev->ctl_y_odd;
737         y_even = dev->ctl_y_even;
738         saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
739         saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
740         saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
741         saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
742 }
743
744 /* ------------------------------------------------------------------ */
745
746 struct cliplist {
747         __u16 position;
748         __u8  enable;
749         __u8  disable;
750 };
751
752 static void set_cliplist(struct saa7134_dev *dev, int reg,
753                         struct cliplist *cl, int entries, char *name)
754 {
755         __u8 winbits = 0;
756         int i;
757
758         for (i = 0; i < entries; i++) {
759                 winbits |= cl[i].enable;
760                 winbits &= ~cl[i].disable;
761                 if (i < 15 && cl[i].position == cl[i+1].position)
762                         continue;
763                 saa_writeb(reg + 0, winbits);
764                 saa_writeb(reg + 2, cl[i].position & 0xff);
765                 saa_writeb(reg + 3, cl[i].position >> 8);
766                 dprintk("clip: %s winbits=%02x pos=%d\n",
767                         name,winbits,cl[i].position);
768                 reg += 8;
769         }
770         for (; reg < 0x400; reg += 8) {
771                 saa_writeb(reg+ 0, 0);
772                 saa_writeb(reg + 1, 0);
773                 saa_writeb(reg + 2, 0);
774                 saa_writeb(reg + 3, 0);
775         }
776 }
777
778 static int clip_range(int val)
779 {
780         if (val < 0)
781                 val = 0;
782         return val;
783 }
784
785 /* Sort into smallest position first order */
786 static int cliplist_cmp(const void *a, const void *b)
787 {
788         const struct cliplist *cla = a;
789         const struct cliplist *clb = b;
790         if (cla->position < clb->position)
791                 return -1;
792         if (cla->position > clb->position)
793                 return 1;
794         return 0;
795 }
796
797 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
798                           int nclips, int interlace)
799 {
800         struct cliplist col[16], row[16];
801         int cols = 0, rows = 0, i;
802         int div = interlace ? 2 : 1;
803
804         memset(col, 0, sizeof(col));
805         memset(row, 0, sizeof(row));
806         for (i = 0; i < nclips && i < 8; i++) {
807                 col[cols].position = clip_range(clips[i].c.left);
808                 col[cols].enable   = (1 << i);
809                 cols++;
810                 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
811                 col[cols].disable  = (1 << i);
812                 cols++;
813                 row[rows].position = clip_range(clips[i].c.top / div);
814                 row[rows].enable   = (1 << i);
815                 rows++;
816                 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
817                                                 / div);
818                 row[rows].disable  = (1 << i);
819                 rows++;
820         }
821         sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
822         sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
823         set_cliplist(dev,0x380,col,cols,"cols");
824         set_cliplist(dev,0x384,row,rows,"rows");
825         return 0;
826 }
827
828 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
829 {
830         enum v4l2_field field;
831         int maxw, maxh;
832
833         if (NULL == dev->ovbuf.base)
834                 return -EINVAL;
835         if (NULL == dev->ovfmt)
836                 return -EINVAL;
837         if (win->w.width < 48 || win->w.height <  32)
838                 return -EINVAL;
839         if (win->clipcount > 2048)
840                 return -EINVAL;
841
842         field = win->field;
843         maxw  = dev->crop_current.width;
844         maxh  = dev->crop_current.height;
845
846         if (V4L2_FIELD_ANY == field) {
847                 field = (win->w.height > maxh/2)
848                         ? V4L2_FIELD_INTERLACED
849                         : V4L2_FIELD_TOP;
850         }
851         switch (field) {
852         case V4L2_FIELD_TOP:
853         case V4L2_FIELD_BOTTOM:
854                 maxh = maxh / 2;
855                 break;
856         case V4L2_FIELD_INTERLACED:
857                 break;
858         default:
859                 return -EINVAL;
860         }
861
862         win->field = field;
863         if (win->w.width > maxw)
864                 win->w.width = maxw;
865         if (win->w.height > maxh)
866                 win->w.height = maxh;
867         return 0;
868 }
869
870 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
871 {
872         unsigned long base,control,bpl;
873         int err;
874
875         err = verify_preview(dev,&fh->win);
876         if (0 != err)
877                 return err;
878
879         dev->ovfield = fh->win.field;
880         dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
881                 fh->win.w.width,fh->win.w.height,
882                 fh->win.w.left,fh->win.w.top,
883                 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
884
885         /* setup window + clipping */
886         set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
887                  V4L2_FIELD_HAS_BOTH(dev->ovfield));
888         setup_clipping(dev,fh->clips,fh->nclips,
889                        V4L2_FIELD_HAS_BOTH(dev->ovfield));
890         if (dev->ovfmt->yuv)
891                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
892         else
893                 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
894         saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
895
896         /* dma: setup channel 1 (= Video Task B) */
897         base  = (unsigned long)dev->ovbuf.base;
898         base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
899         base += dev->ovfmt->depth/8         * fh->win.w.left;
900         bpl   = dev->ovbuf.fmt.bytesperline;
901         control = SAA7134_RS_CONTROL_BURST_16;
902         if (dev->ovfmt->bswap)
903                 control |= SAA7134_RS_CONTROL_BSWAP;
904         if (dev->ovfmt->wswap)
905                 control |= SAA7134_RS_CONTROL_WSWAP;
906         if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
907                 saa_writel(SAA7134_RS_BA1(1),base);
908                 saa_writel(SAA7134_RS_BA2(1),base+bpl);
909                 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
910                 saa_writel(SAA7134_RS_CONTROL(1),control);
911         } else {
912                 saa_writel(SAA7134_RS_BA1(1),base);
913                 saa_writel(SAA7134_RS_BA2(1),base);
914                 saa_writel(SAA7134_RS_PITCH(1),bpl);
915                 saa_writel(SAA7134_RS_CONTROL(1),control);
916         }
917
918         /* start dma */
919         dev->ovenable = 1;
920         saa7134_set_dmabits(dev);
921
922         return 0;
923 }
924
925 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
926 {
927         dev->ovenable = 0;
928         saa7134_set_dmabits(dev);
929         return 0;
930 }
931
932 /* ------------------------------------------------------------------ */
933
934 static int buffer_activate(struct saa7134_dev *dev,
935                            struct saa7134_buf *buf,
936                            struct saa7134_buf *next)
937 {
938         unsigned long base,control,bpl;
939         unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
940
941         dprintk("buffer_activate buf=%p\n",buf);
942         buf->vb.state = VIDEOBUF_ACTIVE;
943         buf->top_seen = 0;
944
945         set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
946                  V4L2_FIELD_HAS_BOTH(buf->vb.field));
947         if (buf->fmt->yuv)
948                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
949         else
950                 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
951         saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
952
953         /* DMA: setup channel 0 (= Video Task A0) */
954         base  = saa7134_buffer_base(buf);
955         if (buf->fmt->planar)
956                 bpl = buf->vb.width;
957         else
958                 bpl = (buf->vb.width * buf->fmt->depth) / 8;
959         control = SAA7134_RS_CONTROL_BURST_16 |
960                 SAA7134_RS_CONTROL_ME |
961                 (buf->pt->dma >> 12);
962         if (buf->fmt->bswap)
963                 control |= SAA7134_RS_CONTROL_BSWAP;
964         if (buf->fmt->wswap)
965                 control |= SAA7134_RS_CONTROL_WSWAP;
966         if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
967                 /* interlaced */
968                 saa_writel(SAA7134_RS_BA1(0),base);
969                 saa_writel(SAA7134_RS_BA2(0),base+bpl);
970                 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
971         } else {
972                 /* non-interlaced */
973                 saa_writel(SAA7134_RS_BA1(0),base);
974                 saa_writel(SAA7134_RS_BA2(0),base);
975                 saa_writel(SAA7134_RS_PITCH(0),bpl);
976         }
977         saa_writel(SAA7134_RS_CONTROL(0),control);
978
979         if (buf->fmt->planar) {
980                 /* DMA: setup channel 4+5 (= planar task A) */
981                 bpl_uv   = bpl >> buf->fmt->hshift;
982                 lines_uv = buf->vb.height >> buf->fmt->vshift;
983                 base2    = base + bpl * buf->vb.height;
984                 base3    = base2 + bpl_uv * lines_uv;
985                 if (buf->fmt->uvswap)
986                         tmp = base2, base2 = base3, base3 = tmp;
987                 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
988                         bpl_uv,lines_uv,base2,base3);
989                 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
990                         /* interlaced */
991                         saa_writel(SAA7134_RS_BA1(4),base2);
992                         saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
993                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
994                         saa_writel(SAA7134_RS_BA1(5),base3);
995                         saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
996                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
997                 } else {
998                         /* non-interlaced */
999                         saa_writel(SAA7134_RS_BA1(4),base2);
1000                         saa_writel(SAA7134_RS_BA2(4),base2);
1001                         saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1002                         saa_writel(SAA7134_RS_BA1(5),base3);
1003                         saa_writel(SAA7134_RS_BA2(5),base3);
1004                         saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1005                 }
1006                 saa_writel(SAA7134_RS_CONTROL(4),control);
1007                 saa_writel(SAA7134_RS_CONTROL(5),control);
1008         }
1009
1010         /* start DMA */
1011         saa7134_set_dmabits(dev);
1012         mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1013         return 0;
1014 }
1015
1016 static int buffer_prepare(struct videobuf_queue *q,
1017                           struct videobuf_buffer *vb,
1018                           enum v4l2_field field)
1019 {
1020         struct saa7134_fh *fh = q->priv_data;
1021         struct saa7134_dev *dev = fh->dev;
1022         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1023         unsigned int size;
1024         int err;
1025
1026         /* sanity checks */
1027         if (NULL == fh->fmt)
1028                 return -EINVAL;
1029         if (fh->width    < 48 ||
1030             fh->height   < 32 ||
1031             fh->width/4  > dev->crop_current.width  ||
1032             fh->height/4 > dev->crop_current.height ||
1033             fh->width    > dev->crop_bounds.width  ||
1034             fh->height   > dev->crop_bounds.height)
1035                 return -EINVAL;
1036         size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1037         if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
1038                 return -EINVAL;
1039
1040         dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1041                 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1042                 fh->fmt->name);
1043         if (buf->vb.width  != fh->width  ||
1044             buf->vb.height != fh->height ||
1045             buf->vb.size   != size       ||
1046             buf->vb.field  != field      ||
1047             buf->fmt       != fh->fmt) {
1048                 saa7134_dma_free(q,buf);
1049         }
1050
1051         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1052                 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1053
1054                 buf->vb.width  = fh->width;
1055                 buf->vb.height = fh->height;
1056                 buf->vb.size   = size;
1057                 buf->vb.field  = field;
1058                 buf->fmt       = fh->fmt;
1059                 buf->pt        = &fh->pt_cap;
1060
1061                 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1062                 if (err)
1063                         goto oops;
1064                 err = saa7134_pgtable_build(dev->pci,buf->pt,
1065                                             dma->sglist,
1066                                             dma->sglen,
1067                                             saa7134_buffer_startpage(buf));
1068                 if (err)
1069                         goto oops;
1070         }
1071         buf->vb.state = VIDEOBUF_PREPARED;
1072         buf->activate = buffer_activate;
1073         return 0;
1074
1075  oops:
1076         saa7134_dma_free(q,buf);
1077         return err;
1078 }
1079
1080 static int
1081 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1082 {
1083         struct saa7134_fh *fh = q->priv_data;
1084
1085         *size = fh->fmt->depth * fh->width * fh->height >> 3;
1086         if (0 == *count)
1087                 *count = gbuffers;
1088         *count = saa7134_buffer_count(*size,*count);
1089         return 0;
1090 }
1091
1092 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1093 {
1094         struct saa7134_fh *fh = q->priv_data;
1095         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1096
1097         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1098 }
1099
1100 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1101 {
1102         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1103
1104         saa7134_dma_free(q,buf);
1105 }
1106
1107 static struct videobuf_queue_ops video_qops = {
1108         .buf_setup    = buffer_setup,
1109         .buf_prepare  = buffer_prepare,
1110         .buf_queue    = buffer_queue,
1111         .buf_release  = buffer_release,
1112 };
1113
1114 /* ------------------------------------------------------------------ */
1115
1116 int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1117 {
1118         const struct v4l2_queryctrl* ctrl;
1119
1120         ctrl = ctrl_by_id(c->id);
1121         if (NULL == ctrl)
1122                 return -EINVAL;
1123         switch (c->id) {
1124         case V4L2_CID_BRIGHTNESS:
1125                 c->value = dev->ctl_bright;
1126                 break;
1127         case V4L2_CID_HUE:
1128                 c->value = dev->ctl_hue;
1129                 break;
1130         case V4L2_CID_CONTRAST:
1131                 c->value = dev->ctl_contrast;
1132                 break;
1133         case V4L2_CID_SATURATION:
1134                 c->value = dev->ctl_saturation;
1135                 break;
1136         case V4L2_CID_AUDIO_MUTE:
1137                 c->value = dev->ctl_mute;
1138                 break;
1139         case V4L2_CID_AUDIO_VOLUME:
1140                 c->value = dev->ctl_volume;
1141                 break;
1142         case V4L2_CID_PRIVATE_INVERT:
1143                 c->value = dev->ctl_invert;
1144                 break;
1145         case V4L2_CID_HFLIP:
1146                 c->value = dev->ctl_mirror;
1147                 break;
1148         case V4L2_CID_PRIVATE_Y_EVEN:
1149                 c->value = dev->ctl_y_even;
1150                 break;
1151         case V4L2_CID_PRIVATE_Y_ODD:
1152                 c->value = dev->ctl_y_odd;
1153                 break;
1154         case V4L2_CID_PRIVATE_AUTOMUTE:
1155                 c->value = dev->ctl_automute;
1156                 break;
1157         default:
1158                 return -EINVAL;
1159         }
1160         return 0;
1161 }
1162 EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal);
1163
1164 static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c)
1165 {
1166         struct saa7134_fh *fh = priv;
1167
1168         return saa7134_g_ctrl_internal(fh->dev, fh, c);
1169 }
1170
1171 int saa7134_s_ctrl_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, struct v4l2_control *c)
1172 {
1173         const struct v4l2_queryctrl* ctrl;
1174         unsigned long flags;
1175         int restart_overlay = 0;
1176         int err;
1177
1178         /* When called from the empress code fh == NULL.
1179            That needs to be fixed somehow, but for now this is
1180            good enough. */
1181         if (fh) {
1182                 err = v4l2_prio_check(&dev->prio, &fh->prio);
1183                 if (0 != err)
1184                         return err;
1185         }
1186         err = -EINVAL;
1187
1188         mutex_lock(&dev->lock);
1189
1190         ctrl = ctrl_by_id(c->id);
1191         if (NULL == ctrl)
1192                 goto error;
1193
1194         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1195         switch (ctrl->type) {
1196         case V4L2_CTRL_TYPE_BOOLEAN:
1197         case V4L2_CTRL_TYPE_MENU:
1198         case V4L2_CTRL_TYPE_INTEGER:
1199                 if (c->value < ctrl->minimum)
1200                         c->value = ctrl->minimum;
1201                 if (c->value > ctrl->maximum)
1202                         c->value = ctrl->maximum;
1203                 break;
1204         default:
1205                 /* nothing */;
1206         };
1207         switch (c->id) {
1208         case V4L2_CID_BRIGHTNESS:
1209                 dev->ctl_bright = c->value;
1210                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1211                 break;
1212         case V4L2_CID_HUE:
1213                 dev->ctl_hue = c->value;
1214                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1215                 break;
1216         case V4L2_CID_CONTRAST:
1217                 dev->ctl_contrast = c->value;
1218                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1219                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1220                 break;
1221         case V4L2_CID_SATURATION:
1222                 dev->ctl_saturation = c->value;
1223                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1224                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1225                 break;
1226         case V4L2_CID_AUDIO_MUTE:
1227                 dev->ctl_mute = c->value;
1228                 saa7134_tvaudio_setmute(dev);
1229                 break;
1230         case V4L2_CID_AUDIO_VOLUME:
1231                 dev->ctl_volume = c->value;
1232                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1233                 break;
1234         case V4L2_CID_PRIVATE_INVERT:
1235                 dev->ctl_invert = c->value;
1236                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1237                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1238                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1239                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1240                 break;
1241         case V4L2_CID_HFLIP:
1242                 dev->ctl_mirror = c->value;
1243                 restart_overlay = 1;
1244                 break;
1245         case V4L2_CID_PRIVATE_Y_EVEN:
1246                 dev->ctl_y_even = c->value;
1247                 restart_overlay = 1;
1248                 break;
1249         case V4L2_CID_PRIVATE_Y_ODD:
1250                 dev->ctl_y_odd = c->value;
1251                 restart_overlay = 1;
1252                 break;
1253         case V4L2_CID_PRIVATE_AUTOMUTE:
1254         {
1255                 struct v4l2_priv_tun_config tda9887_cfg;
1256
1257                 tda9887_cfg.tuner = TUNER_TDA9887;
1258                 tda9887_cfg.priv = &dev->tda9887_conf;
1259
1260                 dev->ctl_automute = c->value;
1261                 if (dev->tda9887_conf) {
1262                         if (dev->ctl_automute)
1263                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1264                         else
1265                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1266
1267                         saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1268                 }
1269                 break;
1270         }
1271         default:
1272                 goto error;
1273         }
1274         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1275                 spin_lock_irqsave(&dev->slock,flags);
1276                 stop_preview(dev,fh);
1277                 start_preview(dev,fh);
1278                 spin_unlock_irqrestore(&dev->slock,flags);
1279         }
1280         err = 0;
1281
1282 error:
1283         mutex_unlock(&dev->lock);
1284         return err;
1285 }
1286 EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal);
1287
1288 static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c)
1289 {
1290         struct saa7134_fh *fh = f;
1291
1292         return saa7134_s_ctrl_internal(fh->dev, fh, c);
1293 }
1294
1295 /* ------------------------------------------------------------------ */
1296
1297 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1298 {
1299         struct videobuf_queue* q = NULL;
1300
1301         switch (fh->type) {
1302         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1303                 q = &fh->cap;
1304                 break;
1305         case V4L2_BUF_TYPE_VBI_CAPTURE:
1306                 q = &fh->vbi;
1307                 break;
1308         default:
1309                 BUG();
1310         }
1311         return q;
1312 }
1313
1314 static int saa7134_resource(struct saa7134_fh *fh)
1315 {
1316         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1317                 return RESOURCE_VIDEO;
1318
1319         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1320                 return RESOURCE_VBI;
1321
1322         BUG();
1323         return 0;
1324 }
1325
1326 static int video_open(struct file *file)
1327 {
1328         int minor = video_devdata(file)->minor;
1329         struct saa7134_dev *dev;
1330         struct saa7134_fh *fh;
1331         enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1332         int radio = 0;
1333
1334         mutex_lock(&saa7134_devlist_lock);
1335         list_for_each_entry(dev, &saa7134_devlist, devlist) {
1336                 if (dev->video_dev && (dev->video_dev->minor == minor))
1337                         goto found;
1338                 if (dev->radio_dev && (dev->radio_dev->minor == minor)) {
1339                         radio = 1;
1340                         goto found;
1341                 }
1342                 if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) {
1343                         type = V4L2_BUF_TYPE_VBI_CAPTURE;
1344                         goto found;
1345                 }
1346         }
1347         mutex_unlock(&saa7134_devlist_lock);
1348         return -ENODEV;
1349
1350 found:
1351         mutex_unlock(&saa7134_devlist_lock);
1352
1353         dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1354                 v4l2_type_names[type]);
1355
1356         /* allocate + initialize per filehandle data */
1357         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1358         if (NULL == fh)
1359                 return -ENOMEM;
1360
1361         file->private_data = fh;
1362         fh->dev      = dev;
1363         fh->radio    = radio;
1364         fh->type     = type;
1365         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1366         fh->width    = 720;
1367         fh->height   = 576;
1368         v4l2_prio_open(&dev->prio,&fh->prio);
1369
1370         videobuf_queue_sg_init(&fh->cap, &video_qops,
1371                             &dev->pci->dev, &dev->slock,
1372                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1373                             V4L2_FIELD_INTERLACED,
1374                             sizeof(struct saa7134_buf),
1375                             fh);
1376         videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops,
1377                             &dev->pci->dev, &dev->slock,
1378                             V4L2_BUF_TYPE_VBI_CAPTURE,
1379                             V4L2_FIELD_SEQ_TB,
1380                             sizeof(struct saa7134_buf),
1381                             fh);
1382         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1383         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1384
1385         if (fh->radio) {
1386                 /* switch to radio mode */
1387                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1388                 saa_call_all(dev, tuner, s_radio);
1389         } else {
1390                 /* switch to video/vbi mode */
1391                 video_mux(dev,dev->ctl_input);
1392         }
1393         return 0;
1394 }
1395
1396 static ssize_t
1397 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1398 {
1399         struct saa7134_fh *fh = file->private_data;
1400
1401         switch (fh->type) {
1402         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1403                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1404                         return -EBUSY;
1405                 return videobuf_read_one(saa7134_queue(fh),
1406                                          data, count, ppos,
1407                                          file->f_flags & O_NONBLOCK);
1408         case V4L2_BUF_TYPE_VBI_CAPTURE:
1409                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1410                         return -EBUSY;
1411                 return videobuf_read_stream(saa7134_queue(fh),
1412                                             data, count, ppos, 1,
1413                                             file->f_flags & O_NONBLOCK);
1414                 break;
1415         default:
1416                 BUG();
1417                 return 0;
1418         }
1419 }
1420
1421 static unsigned int
1422 video_poll(struct file *file, struct poll_table_struct *wait)
1423 {
1424         struct saa7134_fh *fh = file->private_data;
1425         struct videobuf_buffer *buf = NULL;
1426
1427         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1428                 return videobuf_poll_stream(file, &fh->vbi, wait);
1429
1430         if (res_check(fh,RESOURCE_VIDEO)) {
1431                 if (!list_empty(&fh->cap.stream))
1432                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1433         } else {
1434                 mutex_lock(&fh->cap.vb_lock);
1435                 if (UNSET == fh->cap.read_off) {
1436                         /* need to capture a new frame */
1437                         if (res_locked(fh->dev,RESOURCE_VIDEO))
1438                                 goto err;
1439                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field))
1440                                 goto err;
1441                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1442                         fh->cap.read_off = 0;
1443                 }
1444                 mutex_unlock(&fh->cap.vb_lock);
1445                 buf = fh->cap.read_buf;
1446         }
1447
1448         if (!buf)
1449                 return POLLERR;
1450
1451         poll_wait(file, &buf->done, wait);
1452         if (buf->state == VIDEOBUF_DONE ||
1453             buf->state == VIDEOBUF_ERROR)
1454                 return POLLIN|POLLRDNORM;
1455         return 0;
1456
1457 err:
1458         mutex_unlock(&fh->cap.vb_lock);
1459         return POLLERR;
1460 }
1461
1462 static int video_release(struct file *file)
1463 {
1464         struct saa7134_fh  *fh  = file->private_data;
1465         struct saa7134_dev *dev = fh->dev;
1466         struct rds_command cmd;
1467         unsigned long flags;
1468
1469         /* turn off overlay */
1470         if (res_check(fh, RESOURCE_OVERLAY)) {
1471                 spin_lock_irqsave(&dev->slock,flags);
1472                 stop_preview(dev,fh);
1473                 spin_unlock_irqrestore(&dev->slock,flags);
1474                 res_free(dev,fh,RESOURCE_OVERLAY);
1475         }
1476
1477         /* stop video capture */
1478         if (res_check(fh, RESOURCE_VIDEO)) {
1479                 videobuf_streamoff(&fh->cap);
1480                 res_free(dev,fh,RESOURCE_VIDEO);
1481         }
1482         if (fh->cap.read_buf) {
1483                 buffer_release(&fh->cap,fh->cap.read_buf);
1484                 kfree(fh->cap.read_buf);
1485         }
1486
1487         /* stop vbi capture */
1488         if (res_check(fh, RESOURCE_VBI)) {
1489                 videobuf_stop(&fh->vbi);
1490                 res_free(dev,fh,RESOURCE_VBI);
1491         }
1492
1493         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1494         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1495         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1496         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1497         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1498
1499         saa_call_all(dev, core, s_standby, 0);
1500         if (fh->radio)
1501                 saa_call_all(dev, core, ioctl, RDS_CMD_CLOSE, &cmd);
1502
1503         /* free stuff */
1504         videobuf_mmap_free(&fh->cap);
1505         videobuf_mmap_free(&fh->vbi);
1506         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1507         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1508
1509         v4l2_prio_close(&dev->prio,&fh->prio);
1510         file->private_data = NULL;
1511         kfree(fh);
1512         return 0;
1513 }
1514
1515 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1516 {
1517         struct saa7134_fh *fh = file->private_data;
1518
1519         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1520 }
1521
1522 static ssize_t radio_read(struct file *file, char __user *data,
1523                          size_t count, loff_t *ppos)
1524 {
1525         struct saa7134_fh *fh = file->private_data;
1526         struct saa7134_dev *dev = fh->dev;
1527         struct rds_command cmd;
1528
1529         cmd.block_count = count/3;
1530         cmd.buffer = data;
1531         cmd.instance = file;
1532         cmd.result = -ENODEV;
1533
1534         saa_call_all(dev, core, ioctl, RDS_CMD_READ, &cmd);
1535
1536         return cmd.result;
1537 }
1538
1539 static unsigned int radio_poll(struct file *file, poll_table *wait)
1540 {
1541         struct saa7134_fh *fh = file->private_data;
1542         struct saa7134_dev *dev = fh->dev;
1543         struct rds_command cmd;
1544
1545         cmd.instance = file;
1546         cmd.event_list = wait;
1547         cmd.result = -ENODEV;
1548         saa_call_all(dev, core, ioctl, RDS_CMD_POLL, &cmd);
1549
1550         return cmd.result;
1551 }
1552
1553 /* ------------------------------------------------------------------ */
1554
1555 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1556                                                 struct v4l2_format *f)
1557 {
1558         struct saa7134_fh *fh = priv;
1559         struct saa7134_dev *dev = fh->dev;
1560         struct saa7134_tvnorm *norm = dev->tvnorm;
1561
1562         f->fmt.vbi.sampling_rate = 6750000 * 4;
1563         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1564         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1565         f->fmt.vbi.offset = 64 * 4;
1566         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1567         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1568         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1569         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1570         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1571
1572         return 0;
1573 }
1574
1575 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1576                                 struct v4l2_format *f)
1577 {
1578         struct saa7134_fh *fh = priv;
1579
1580         f->fmt.pix.width        = fh->width;
1581         f->fmt.pix.height       = fh->height;
1582         f->fmt.pix.field        = fh->cap.field;
1583         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1584         f->fmt.pix.bytesperline =
1585                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1586         f->fmt.pix.sizeimage =
1587                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1588         return 0;
1589 }
1590
1591 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1592                                 struct v4l2_format *f)
1593 {
1594         struct saa7134_fh *fh = priv;
1595
1596         if (saa7134_no_overlay > 0) {
1597                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1598                 return -EINVAL;
1599         }
1600         f->fmt.win = fh->win;
1601
1602         return 0;
1603 }
1604
1605 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1606                                                 struct v4l2_format *f)
1607 {
1608         struct saa7134_fh *fh = priv;
1609         struct saa7134_dev *dev = fh->dev;
1610         struct saa7134_format *fmt;
1611         enum v4l2_field field;
1612         unsigned int maxw, maxh;
1613
1614         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1615         if (NULL == fmt)
1616                 return -EINVAL;
1617
1618         field = f->fmt.pix.field;
1619         maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1620         maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1621
1622         if (V4L2_FIELD_ANY == field) {
1623                 field = (f->fmt.pix.height > maxh/2)
1624                         ? V4L2_FIELD_INTERLACED
1625                         : V4L2_FIELD_BOTTOM;
1626         }
1627         switch (field) {
1628         case V4L2_FIELD_TOP:
1629         case V4L2_FIELD_BOTTOM:
1630                 maxh = maxh / 2;
1631                 break;
1632         case V4L2_FIELD_INTERLACED:
1633                 break;
1634         default:
1635                 return -EINVAL;
1636         }
1637
1638         f->fmt.pix.field = field;
1639         if (f->fmt.pix.width  < 48)
1640                 f->fmt.pix.width  = 48;
1641         if (f->fmt.pix.height < 32)
1642                 f->fmt.pix.height = 32;
1643         if (f->fmt.pix.width > maxw)
1644                 f->fmt.pix.width = maxw;
1645         if (f->fmt.pix.height > maxh)
1646                 f->fmt.pix.height = maxh;
1647         f->fmt.pix.width &= ~0x03;
1648         f->fmt.pix.bytesperline =
1649                 (f->fmt.pix.width * fmt->depth) >> 3;
1650         f->fmt.pix.sizeimage =
1651                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1652
1653         return 0;
1654 }
1655
1656 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1657                                                 struct v4l2_format *f)
1658 {
1659         struct saa7134_fh *fh = priv;
1660         struct saa7134_dev *dev = fh->dev;
1661
1662         if (saa7134_no_overlay > 0) {
1663                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1664                 return -EINVAL;
1665         }
1666
1667         return verify_preview(dev, &f->fmt.win);
1668 }
1669
1670 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1671                                         struct v4l2_format *f)
1672 {
1673         struct saa7134_fh *fh = priv;
1674         int err;
1675
1676         err = saa7134_try_fmt_vid_cap(file, priv, f);
1677         if (0 != err)
1678                 return err;
1679
1680         fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1681         fh->width     = f->fmt.pix.width;
1682         fh->height    = f->fmt.pix.height;
1683         fh->cap.field = f->fmt.pix.field;
1684         return 0;
1685 }
1686
1687 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1688                                         struct v4l2_format *f)
1689 {
1690         struct saa7134_fh *fh = priv;
1691         struct saa7134_dev *dev = fh->dev;
1692         int err;
1693         unsigned long flags;
1694
1695         if (saa7134_no_overlay > 0) {
1696                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1697                 return -EINVAL;
1698         }
1699         err = verify_preview(dev, &f->fmt.win);
1700         if (0 != err)
1701                 return err;
1702
1703         mutex_lock(&dev->lock);
1704
1705         fh->win    = f->fmt.win;
1706         fh->nclips = f->fmt.win.clipcount;
1707
1708         if (fh->nclips > 8)
1709                 fh->nclips = 8;
1710
1711         if (copy_from_user(fh->clips, f->fmt.win.clips,
1712                            sizeof(struct v4l2_clip)*fh->nclips)) {
1713                 mutex_unlock(&dev->lock);
1714                 return -EFAULT;
1715         }
1716
1717         if (res_check(fh, RESOURCE_OVERLAY)) {
1718                 spin_lock_irqsave(&dev->slock, flags);
1719                 stop_preview(dev, fh);
1720                 start_preview(dev, fh);
1721                 spin_unlock_irqrestore(&dev->slock, flags);
1722         }
1723
1724         mutex_unlock(&dev->lock);
1725         return 0;
1726 }
1727
1728 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c)
1729 {
1730         const struct v4l2_queryctrl *ctrl;
1731
1732         if ((c->id <  V4L2_CID_BASE ||
1733              c->id >= V4L2_CID_LASTP1) &&
1734             (c->id <  V4L2_CID_PRIVATE_BASE ||
1735              c->id >= V4L2_CID_PRIVATE_LASTP1))
1736                 return -EINVAL;
1737         ctrl = ctrl_by_id(c->id);
1738         *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1739         return 0;
1740 }
1741 EXPORT_SYMBOL_GPL(saa7134_queryctrl);
1742
1743 static int saa7134_enum_input(struct file *file, void *priv,
1744                                         struct v4l2_input *i)
1745 {
1746         struct saa7134_fh *fh = priv;
1747         struct saa7134_dev *dev = fh->dev;
1748         unsigned int n;
1749
1750         n = i->index;
1751         if (n >= SAA7134_INPUT_MAX)
1752                 return -EINVAL;
1753         if (NULL == card_in(dev, i->index).name)
1754                 return -EINVAL;
1755         memset(i, 0, sizeof(*i));
1756         i->index = n;
1757         i->type  = V4L2_INPUT_TYPE_CAMERA;
1758         strcpy(i->name, card_in(dev, n).name);
1759         if (card_in(dev, n).tv)
1760                 i->type = V4L2_INPUT_TYPE_TUNER;
1761         i->audioset = 1;
1762         if (n == dev->ctl_input) {
1763                 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1764                 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1765
1766                 if (0 != (v1 & 0x40))
1767                         i->status |= V4L2_IN_ST_NO_H_LOCK;
1768                 if (0 != (v2 & 0x40))
1769                         i->status |= V4L2_IN_ST_NO_SYNC;
1770                 if (0 != (v2 & 0x0e))
1771                         i->status |= V4L2_IN_ST_MACROVISION;
1772         }
1773         i->std = SAA7134_NORMS;
1774         return 0;
1775 }
1776
1777 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1778 {
1779         struct saa7134_fh *fh = priv;
1780         struct saa7134_dev *dev = fh->dev;
1781
1782         *i = dev->ctl_input;
1783         return 0;
1784 }
1785
1786 static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1787 {
1788         struct saa7134_fh *fh = priv;
1789         struct saa7134_dev *dev = fh->dev;
1790         int err;
1791
1792         err = v4l2_prio_check(&dev->prio, &fh->prio);
1793         if (0 != err)
1794                 return err;
1795
1796         if (i < 0  ||  i >= SAA7134_INPUT_MAX)
1797                 return -EINVAL;
1798         if (NULL == card_in(dev, i).name)
1799                 return -EINVAL;
1800         mutex_lock(&dev->lock);
1801         video_mux(dev, i);
1802         mutex_unlock(&dev->lock);
1803         return 0;
1804 }
1805
1806 static int saa7134_querycap(struct file *file, void  *priv,
1807                                         struct v4l2_capability *cap)
1808 {
1809         struct saa7134_fh *fh = priv;
1810         struct saa7134_dev *dev = fh->dev;
1811
1812         unsigned int tuner_type = dev->tuner_type;
1813
1814         strcpy(cap->driver, "saa7134");
1815         strlcpy(cap->card, saa7134_boards[dev->board].name,
1816                 sizeof(cap->card));
1817         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1818         cap->version = SAA7134_VERSION_CODE;
1819         cap->capabilities =
1820                 V4L2_CAP_VIDEO_CAPTURE |
1821                 V4L2_CAP_VBI_CAPTURE |
1822                 V4L2_CAP_READWRITE |
1823                 V4L2_CAP_STREAMING |
1824                 V4L2_CAP_TUNER;
1825         if (saa7134_no_overlay <= 0)
1826                 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1827
1828         if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1829                 cap->capabilities &= ~V4L2_CAP_TUNER;
1830                 return 0;
1831 }
1832
1833 int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id *id)
1834 {
1835         unsigned long flags;
1836         unsigned int i;
1837         v4l2_std_id fixup;
1838         int err;
1839
1840         /* When called from the empress code fh == NULL.
1841            That needs to be fixed somehow, but for now this is
1842            good enough. */
1843         if (fh) {
1844                 err = v4l2_prio_check(&dev->prio, &fh->prio);
1845                 if (0 != err)
1846                         return err;
1847         } else if (res_locked(dev, RESOURCE_OVERLAY)) {
1848                 /* Don't change the std from the mpeg device
1849                    if overlay is active. */
1850                 return -EBUSY;
1851         }
1852
1853         for (i = 0; i < TVNORMS; i++)
1854                 if (*id == tvnorms[i].id)
1855                         break;
1856
1857         if (i == TVNORMS)
1858                 for (i = 0; i < TVNORMS; i++)
1859                         if (*id & tvnorms[i].id)
1860                                 break;
1861         if (i == TVNORMS)
1862                 return -EINVAL;
1863
1864         if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1865                 if (secam[0] == 'L' || secam[0] == 'l') {
1866                         if (secam[1] == 'C' || secam[1] == 'c')
1867                                 fixup = V4L2_STD_SECAM_LC;
1868                         else
1869                                 fixup = V4L2_STD_SECAM_L;
1870                 } else {
1871                         if (secam[0] == 'D' || secam[0] == 'd')
1872                                 fixup = V4L2_STD_SECAM_DK;
1873                         else
1874                                 fixup = V4L2_STD_SECAM;
1875                 }
1876                 for (i = 0; i < TVNORMS; i++)
1877                         if (fixup == tvnorms[i].id)
1878                                 break;
1879         }
1880
1881         *id = tvnorms[i].id;
1882
1883         mutex_lock(&dev->lock);
1884         if (fh && res_check(fh, RESOURCE_OVERLAY)) {
1885                 spin_lock_irqsave(&dev->slock, flags);
1886                 stop_preview(dev, fh);
1887                 spin_unlock_irqrestore(&dev->slock, flags);
1888
1889                 set_tvnorm(dev, &tvnorms[i]);
1890
1891                 spin_lock_irqsave(&dev->slock, flags);
1892                 start_preview(dev, fh);
1893                 spin_unlock_irqrestore(&dev->slock, flags);
1894         } else
1895                 set_tvnorm(dev, &tvnorms[i]);
1896
1897         saa7134_tvaudio_do_scan(dev);
1898         mutex_unlock(&dev->lock);
1899         return 0;
1900 }
1901 EXPORT_SYMBOL_GPL(saa7134_s_std_internal);
1902
1903 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id)
1904 {
1905         struct saa7134_fh *fh = priv;
1906
1907         return saa7134_s_std_internal(fh->dev, fh, id);
1908 }
1909
1910 static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1911 {
1912         struct saa7134_fh *fh = priv;
1913         struct saa7134_dev *dev = fh->dev;
1914
1915         *id = dev->tvnorm->id;
1916         return 0;
1917 }
1918
1919 static int saa7134_cropcap(struct file *file, void *priv,
1920                                         struct v4l2_cropcap *cap)
1921 {
1922         struct saa7134_fh *fh = priv;
1923         struct saa7134_dev *dev = fh->dev;
1924
1925         if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1926             cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1927                 return -EINVAL;
1928         cap->bounds  = dev->crop_bounds;
1929         cap->defrect = dev->crop_defrect;
1930         cap->pixelaspect.numerator   = 1;
1931         cap->pixelaspect.denominator = 1;
1932         if (dev->tvnorm->id & V4L2_STD_525_60) {
1933                 cap->pixelaspect.numerator   = 11;
1934                 cap->pixelaspect.denominator = 10;
1935         }
1936         if (dev->tvnorm->id & V4L2_STD_625_50) {
1937                 cap->pixelaspect.numerator   = 54;
1938                 cap->pixelaspect.denominator = 59;
1939         }
1940         return 0;
1941 }
1942
1943 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1944 {
1945         struct saa7134_fh *fh = f;
1946         struct saa7134_dev *dev = fh->dev;
1947
1948         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1949             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1950                 return -EINVAL;
1951         crop->c = dev->crop_current;
1952         return 0;
1953 }
1954
1955 static int saa7134_s_crop(struct file *file, void *f, struct v4l2_crop *crop)
1956 {
1957         struct saa7134_fh *fh = f;
1958         struct saa7134_dev *dev = fh->dev;
1959         struct v4l2_rect *b = &dev->crop_bounds;
1960
1961         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1962             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1963                 return -EINVAL;
1964         if (crop->c.height < 0)
1965                 return -EINVAL;
1966         if (crop->c.width < 0)
1967                 return -EINVAL;
1968
1969         if (res_locked(fh->dev, RESOURCE_OVERLAY))
1970                 return -EBUSY;
1971         if (res_locked(fh->dev, RESOURCE_VIDEO))
1972                 return -EBUSY;
1973
1974         if (crop->c.top < b->top)
1975                 crop->c.top = b->top;
1976         if (crop->c.top > b->top + b->height)
1977                 crop->c.top = b->top + b->height;
1978         if (crop->c.height > b->top - crop->c.top + b->height)
1979                 crop->c.height = b->top - crop->c.top + b->height;
1980
1981         if (crop->c.left < b->left)
1982                 crop->c.left = b->left;
1983         if (crop->c.left > b->left + b->width)
1984                 crop->c.left = b->left + b->width;
1985         if (crop->c.width > b->left - crop->c.left + b->width)
1986                 crop->c.width = b->left - crop->c.left + b->width;
1987
1988         dev->crop_current = crop->c;
1989         return 0;
1990 }
1991
1992 static int saa7134_g_tuner(struct file *file, void *priv,
1993                                         struct v4l2_tuner *t)
1994 {
1995         struct saa7134_fh *fh = priv;
1996         struct saa7134_dev *dev = fh->dev;
1997         int n;
1998
1999         if (0 != t->index)
2000                 return -EINVAL;
2001         memset(t, 0, sizeof(*t));
2002         for (n = 0; n < SAA7134_INPUT_MAX; n++)
2003                 if (card_in(dev, n).tv)
2004                         break;
2005         if (NULL != card_in(dev, n).name) {
2006                 strcpy(t->name, "Television");
2007                 t->type = V4L2_TUNER_ANALOG_TV;
2008                 t->capability = V4L2_TUNER_CAP_NORM |
2009                         V4L2_TUNER_CAP_STEREO |
2010                         V4L2_TUNER_CAP_LANG1 |
2011                         V4L2_TUNER_CAP_LANG2;
2012                 t->rangehigh = 0xffffffffUL;
2013                 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
2014                 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
2015         }
2016         if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
2017                 t->signal = 0xffff;
2018         return 0;
2019 }
2020
2021 static int saa7134_s_tuner(struct file *file, void *priv,
2022                                         struct v4l2_tuner *t)
2023 {
2024         struct saa7134_fh *fh = priv;
2025         struct saa7134_dev *dev = fh->dev;
2026         int rx, mode, err;
2027
2028         err = v4l2_prio_check(&dev->prio, &fh->prio);
2029         if (0 != err)
2030                 return err;
2031
2032         mode = dev->thread.mode;
2033         if (UNSET == mode) {
2034                 rx   = saa7134_tvaudio_getstereo(dev);
2035                 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
2036         }
2037         if (mode != t->audmode)
2038                 dev->thread.mode = t->audmode;
2039
2040         return 0;
2041 }
2042
2043 static int saa7134_g_frequency(struct file *file, void *priv,
2044                                         struct v4l2_frequency *f)
2045 {
2046         struct saa7134_fh *fh = priv;
2047         struct saa7134_dev *dev = fh->dev;
2048
2049         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
2050         f->frequency = dev->ctl_freq;
2051
2052         return 0;
2053 }
2054
2055 static int saa7134_s_frequency(struct file *file, void *priv,
2056                                         struct v4l2_frequency *f)
2057 {
2058         struct saa7134_fh *fh = priv;
2059         struct saa7134_dev *dev = fh->dev;
2060         int err;
2061
2062         err = v4l2_prio_check(&dev->prio, &fh->prio);
2063         if (0 != err)
2064                 return err;
2065
2066         if (0 != f->tuner)
2067                 return -EINVAL;
2068         if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
2069                 return -EINVAL;
2070         if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
2071                 return -EINVAL;
2072         mutex_lock(&dev->lock);
2073         dev->ctl_freq = f->frequency;
2074
2075         saa_call_all(dev, tuner, s_frequency, f);
2076
2077         saa7134_tvaudio_do_scan(dev);
2078         mutex_unlock(&dev->lock);
2079         return 0;
2080 }
2081
2082 static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2083 {
2084         strcpy(a->name, "audio");
2085         return 0;
2086 }
2087
2088 static int saa7134_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
2089 {
2090         return 0;
2091 }
2092
2093 static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p)
2094 {
2095         struct saa7134_fh *fh = f;
2096         struct saa7134_dev *dev = fh->dev;
2097
2098         *p = v4l2_prio_max(&dev->prio);
2099         return 0;
2100 }
2101
2102 static int saa7134_s_priority(struct file *file, void *f,
2103                                         enum v4l2_priority prio)
2104 {
2105         struct saa7134_fh *fh = f;
2106         struct saa7134_dev *dev = fh->dev;
2107
2108         return v4l2_prio_change(&dev->prio, &fh->prio, prio);
2109 }
2110
2111 static int saa7134_enum_fmt_vid_cap(struct file *file, void  *priv,
2112                                         struct v4l2_fmtdesc *f)
2113 {
2114         if (f->index >= FORMATS)
2115                 return -EINVAL;
2116
2117         strlcpy(f->description, formats[f->index].name,
2118                 sizeof(f->description));
2119
2120         f->pixelformat = formats[f->index].fourcc;
2121
2122         return 0;
2123 }
2124
2125 static int saa7134_enum_fmt_vid_overlay(struct file *file, void  *priv,
2126                                         struct v4l2_fmtdesc *f)
2127 {
2128         if (saa7134_no_overlay > 0) {
2129                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2130                 return -EINVAL;
2131         }
2132
2133         if ((f->index >= FORMATS) || formats[f->index].planar)
2134                 return -EINVAL;
2135
2136         strlcpy(f->description, formats[f->index].name,
2137                 sizeof(f->description));
2138
2139         f->pixelformat = formats[f->index].fourcc;
2140
2141         return 0;
2142 }
2143
2144 static int saa7134_g_fbuf(struct file *file, void *f,
2145                                 struct v4l2_framebuffer *fb)
2146 {
2147         struct saa7134_fh *fh = f;
2148         struct saa7134_dev *dev = fh->dev;
2149
2150         *fb = dev->ovbuf;
2151         fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2152
2153         return 0;
2154 }
2155
2156 static int saa7134_s_fbuf(struct file *file, void *f,
2157                                         struct v4l2_framebuffer *fb)
2158 {
2159         struct saa7134_fh *fh = f;
2160         struct saa7134_dev *dev = fh->dev;
2161         struct saa7134_format *fmt;
2162
2163         if (!capable(CAP_SYS_ADMIN) &&
2164            !capable(CAP_SYS_RAWIO))
2165                 return -EPERM;
2166
2167         /* check args */
2168         fmt = format_by_fourcc(fb->fmt.pixelformat);
2169         if (NULL == fmt)
2170                 return -EINVAL;
2171
2172         /* ok, accept it */
2173         dev->ovbuf = *fb;
2174         dev->ovfmt = fmt;
2175         if (0 == dev->ovbuf.fmt.bytesperline)
2176                 dev->ovbuf.fmt.bytesperline =
2177                         dev->ovbuf.fmt.width*fmt->depth/8;
2178         return 0;
2179 }
2180
2181 static int saa7134_overlay(struct file *file, void *f, unsigned int on)
2182 {
2183         struct saa7134_fh *fh = f;
2184         struct saa7134_dev *dev = fh->dev;
2185         unsigned long flags;
2186
2187         if (on) {
2188                 if (saa7134_no_overlay > 0) {
2189                         dprintk("no_overlay\n");
2190                         return -EINVAL;
2191                 }
2192
2193                 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2194                         return -EBUSY;
2195                 spin_lock_irqsave(&dev->slock, flags);
2196                 start_preview(dev, fh);
2197                 spin_unlock_irqrestore(&dev->slock, flags);
2198         }
2199         if (!on) {
2200                 if (!res_check(fh, RESOURCE_OVERLAY))
2201                         return -EINVAL;
2202                 spin_lock_irqsave(&dev->slock, flags);
2203                 stop_preview(dev, fh);
2204                 spin_unlock_irqrestore(&dev->slock, flags);
2205                 res_free(dev, fh, RESOURCE_OVERLAY);
2206         }
2207         return 0;
2208 }
2209
2210 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2211 static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
2212 {
2213         struct saa7134_fh *fh = file->private_data;
2214         return videobuf_cgmbuf(saa7134_queue(fh), mbuf, 8);
2215 }
2216 #endif
2217
2218 static int saa7134_reqbufs(struct file *file, void *priv,
2219                                         struct v4l2_requestbuffers *p)
2220 {
2221         struct saa7134_fh *fh = priv;
2222         return videobuf_reqbufs(saa7134_queue(fh), p);
2223 }
2224
2225 static int saa7134_querybuf(struct file *file, void *priv,
2226                                         struct v4l2_buffer *b)
2227 {
2228         struct saa7134_fh *fh = priv;
2229         return videobuf_querybuf(saa7134_queue(fh), b);
2230 }
2231
2232 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2233 {
2234         struct saa7134_fh *fh = priv;
2235         return videobuf_qbuf(saa7134_queue(fh), b);
2236 }
2237
2238 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2239 {
2240         struct saa7134_fh *fh = priv;
2241         return videobuf_dqbuf(saa7134_queue(fh), b,
2242                                 file->f_flags & O_NONBLOCK);
2243 }
2244
2245 static int saa7134_streamon(struct file *file, void *priv,
2246                                         enum v4l2_buf_type type)
2247 {
2248         struct saa7134_fh *fh = priv;
2249         struct saa7134_dev *dev = fh->dev;
2250         int res = saa7134_resource(fh);
2251
2252         if (!res_get(dev, fh, res))
2253                 return -EBUSY;
2254
2255         return videobuf_streamon(saa7134_queue(fh));
2256 }
2257
2258 static int saa7134_streamoff(struct file *file, void *priv,
2259                                         enum v4l2_buf_type type)
2260 {
2261         int err;
2262         struct saa7134_fh *fh = priv;
2263         struct saa7134_dev *dev = fh->dev;
2264         int res = saa7134_resource(fh);
2265
2266         err = videobuf_streamoff(saa7134_queue(fh));
2267         if (err < 0)
2268                 return err;
2269         res_free(dev, fh, res);
2270         return 0;
2271 }
2272
2273 static int saa7134_g_parm(struct file *file, void *fh,
2274                                 struct v4l2_streamparm *parm)
2275 {
2276         return 0;
2277 }
2278
2279 #ifdef CONFIG_VIDEO_ADV_DEBUG
2280 static int vidioc_g_register (struct file *file, void *priv,
2281                               struct v4l2_dbg_register *reg)
2282 {
2283         struct saa7134_fh *fh = priv;
2284         struct saa7134_dev *dev = fh->dev;
2285
2286         if (!v4l2_chip_match_host(&reg->match))
2287                 return -EINVAL;
2288         reg->val = saa_readb(reg->reg);
2289         reg->size = 1;
2290         return 0;
2291 }
2292
2293 static int vidioc_s_register (struct file *file, void *priv,
2294                                 struct v4l2_dbg_register *reg)
2295 {
2296         struct saa7134_fh *fh = priv;
2297         struct saa7134_dev *dev = fh->dev;
2298
2299         if (!v4l2_chip_match_host(&reg->match))
2300                 return -EINVAL;
2301         saa_writeb(reg->reg&0xffffff, reg->val);
2302         return 0;
2303 }
2304 #endif
2305
2306 static int radio_querycap(struct file *file, void *priv,
2307                                         struct v4l2_capability *cap)
2308 {
2309         struct saa7134_fh *fh = file->private_data;
2310         struct saa7134_dev *dev = fh->dev;
2311
2312         strcpy(cap->driver, "saa7134");
2313         strlcpy(cap->card, saa7134_boards[dev->board].name, sizeof(cap->card));
2314         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
2315         cap->version = SAA7134_VERSION_CODE;
2316         cap->capabilities = V4L2_CAP_TUNER;
2317         return 0;
2318 }
2319
2320 static int radio_g_tuner(struct file *file, void *priv,
2321                                         struct v4l2_tuner *t)
2322 {
2323         struct saa7134_fh *fh = file->private_data;
2324         struct saa7134_dev *dev = fh->dev;
2325
2326         if (0 != t->index)
2327                 return -EINVAL;
2328
2329         memset(t, 0, sizeof(*t));
2330         strcpy(t->name, "Radio");
2331         t->type = V4L2_TUNER_RADIO;
2332
2333         saa_call_all(dev, tuner, g_tuner, t);
2334         if (dev->input->amux == TV) {
2335                 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2336                 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2337                                 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2338         }
2339         return 0;
2340 }
2341 static int radio_s_tuner(struct file *file, void *priv,
2342                                         struct v4l2_tuner *t)
2343 {
2344         struct saa7134_fh *fh = file->private_data;
2345         struct saa7134_dev *dev = fh->dev;
2346
2347         if (0 != t->index)
2348                 return -EINVAL;
2349
2350         saa_call_all(dev, tuner, s_tuner, t);
2351         return 0;
2352 }
2353
2354 static int radio_enum_input(struct file *file, void *priv,
2355                                         struct v4l2_input *i)
2356 {
2357         if (i->index != 0)
2358                 return -EINVAL;
2359
2360         strcpy(i->name, "Radio");
2361         i->type = V4L2_INPUT_TYPE_TUNER;
2362
2363         return 0;
2364 }
2365
2366 static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2367 {
2368         *i = 0;
2369         return 0;
2370 }
2371
2372 static int radio_g_audio(struct file *file, void *priv,
2373                                         struct v4l2_audio *a)
2374 {
2375         memset(a, 0, sizeof(*a));
2376         strcpy(a->name, "Radio");
2377         return 0;
2378 }
2379
2380 static int radio_s_audio(struct file *file, void *priv,
2381                                         struct v4l2_audio *a)
2382 {
2383         return 0;
2384 }
2385
2386 static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2387 {
2388         return 0;
2389 }
2390
2391 static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm)
2392 {
2393         return 0;
2394 }
2395
2396 static int radio_queryctrl(struct file *file, void *priv,
2397                                         struct v4l2_queryctrl *c)
2398 {
2399         const struct v4l2_queryctrl *ctrl;
2400
2401         if (c->id <  V4L2_CID_BASE ||
2402             c->id >= V4L2_CID_LASTP1)
2403                 return -EINVAL;
2404         if (c->id == V4L2_CID_AUDIO_MUTE) {
2405                 ctrl = ctrl_by_id(c->id);
2406                 *c = *ctrl;
2407         } else
2408                 *c = no_ctrl;
2409         return 0;
2410 }
2411
2412 static const struct v4l2_file_operations video_fops =
2413 {
2414         .owner    = THIS_MODULE,
2415         .open     = video_open,
2416         .release  = video_release,
2417         .read     = video_read,
2418         .poll     = video_poll,
2419         .mmap     = video_mmap,
2420         .ioctl    = video_ioctl2,
2421 };
2422
2423 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2424         .vidioc_querycap                = saa7134_querycap,
2425         .vidioc_enum_fmt_vid_cap        = saa7134_enum_fmt_vid_cap,
2426         .vidioc_g_fmt_vid_cap           = saa7134_g_fmt_vid_cap,
2427         .vidioc_try_fmt_vid_cap         = saa7134_try_fmt_vid_cap,
2428         .vidioc_s_fmt_vid_cap           = saa7134_s_fmt_vid_cap,
2429         .vidioc_enum_fmt_vid_overlay    = saa7134_enum_fmt_vid_overlay,
2430         .vidioc_g_fmt_vid_overlay       = saa7134_g_fmt_vid_overlay,
2431         .vidioc_try_fmt_vid_overlay     = saa7134_try_fmt_vid_overlay,
2432         .vidioc_s_fmt_vid_overlay       = saa7134_s_fmt_vid_overlay,
2433         .vidioc_g_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
2434         .vidioc_try_fmt_vbi_cap         = saa7134_try_get_set_fmt_vbi_cap,
2435         .vidioc_s_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
2436         .vidioc_g_audio                 = saa7134_g_audio,
2437         .vidioc_s_audio                 = saa7134_s_audio,
2438         .vidioc_cropcap                 = saa7134_cropcap,
2439         .vidioc_reqbufs                 = saa7134_reqbufs,
2440         .vidioc_querybuf                = saa7134_querybuf,
2441         .vidioc_qbuf                    = saa7134_qbuf,
2442         .vidioc_dqbuf                   = saa7134_dqbuf,
2443         .vidioc_s_std                   = saa7134_s_std,
2444         .vidioc_g_std                   = saa7134_g_std,
2445         .vidioc_enum_input              = saa7134_enum_input,
2446         .vidioc_g_input                 = saa7134_g_input,
2447         .vidioc_s_input                 = saa7134_s_input,
2448         .vidioc_queryctrl               = saa7134_queryctrl,
2449         .vidioc_g_ctrl                  = saa7134_g_ctrl,
2450         .vidioc_s_ctrl                  = saa7134_s_ctrl,
2451         .vidioc_streamon                = saa7134_streamon,
2452         .vidioc_streamoff               = saa7134_streamoff,
2453         .vidioc_g_tuner                 = saa7134_g_tuner,
2454         .vidioc_s_tuner                 = saa7134_s_tuner,
2455 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2456         .vidiocgmbuf                    = vidiocgmbuf,
2457 #endif
2458         .vidioc_g_crop                  = saa7134_g_crop,
2459         .vidioc_s_crop                  = saa7134_s_crop,
2460         .vidioc_g_fbuf                  = saa7134_g_fbuf,
2461         .vidioc_s_fbuf                  = saa7134_s_fbuf,
2462         .vidioc_overlay                 = saa7134_overlay,
2463         .vidioc_g_priority              = saa7134_g_priority,
2464         .vidioc_s_priority              = saa7134_s_priority,
2465         .vidioc_g_parm                  = saa7134_g_parm,
2466         .vidioc_g_frequency             = saa7134_g_frequency,
2467         .vidioc_s_frequency             = saa7134_s_frequency,
2468 #ifdef CONFIG_VIDEO_ADV_DEBUG
2469         .vidioc_g_register              = vidioc_g_register,
2470         .vidioc_s_register              = vidioc_s_register,
2471 #endif
2472 };
2473
2474 static const struct v4l2_file_operations radio_fops = {
2475         .owner    = THIS_MODULE,
2476         .open     = video_open,
2477         .read     = radio_read,
2478         .release  = video_release,
2479         .ioctl    = video_ioctl2,
2480         .poll     = radio_poll,
2481 };
2482
2483 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2484         .vidioc_querycap        = radio_querycap,
2485         .vidioc_g_tuner         = radio_g_tuner,
2486         .vidioc_enum_input      = radio_enum_input,
2487         .vidioc_g_audio         = radio_g_audio,
2488         .vidioc_s_tuner         = radio_s_tuner,
2489         .vidioc_s_audio         = radio_s_audio,
2490         .vidioc_s_input         = radio_s_input,
2491         .vidioc_s_std           = radio_s_std,
2492         .vidioc_queryctrl       = radio_queryctrl,
2493         .vidioc_g_input         = radio_g_input,
2494         .vidioc_g_ctrl          = saa7134_g_ctrl,
2495         .vidioc_s_ctrl          = saa7134_s_ctrl,
2496         .vidioc_g_frequency     = saa7134_g_frequency,
2497         .vidioc_s_frequency     = saa7134_s_frequency,
2498 };
2499
2500 /* ----------------------------------------------------------- */
2501 /* exported stuff                                              */
2502
2503 struct video_device saa7134_video_template = {
2504         .name                           = "saa7134-video",
2505         .fops                           = &video_fops,
2506         .ioctl_ops                      = &video_ioctl_ops,
2507         .minor                          = -1,
2508         .tvnorms                        = SAA7134_NORMS,
2509         .current_norm                   = V4L2_STD_PAL,
2510 };
2511
2512 struct video_device saa7134_radio_template = {
2513         .name                   = "saa7134-radio",
2514         .fops                   = &radio_fops,
2515         .ioctl_ops              = &radio_ioctl_ops,
2516         .minor                  = -1,
2517 };
2518
2519 int saa7134_video_init1(struct saa7134_dev *dev)
2520 {
2521         /* sanitycheck insmod options */
2522         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2523                 gbuffers = 2;
2524         if (gbufsize < 0 || gbufsize > gbufsize_max)
2525                 gbufsize = gbufsize_max;
2526         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2527
2528         /* put some sensible defaults into the data structures ... */
2529         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2530         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2531         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2532         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2533         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2534         dev->ctl_mute       = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2535         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2536         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2537
2538         if (dev->tda9887_conf && dev->ctl_automute)
2539                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2540         dev->automute       = 0;
2541
2542         INIT_LIST_HEAD(&dev->video_q.queue);
2543         init_timer(&dev->video_q.timeout);
2544         dev->video_q.timeout.function = saa7134_buffer_timeout;
2545         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2546         dev->video_q.dev              = dev;
2547
2548         if (saa7134_boards[dev->board].video_out)
2549                 saa7134_videoport_init(dev);
2550
2551         return 0;
2552 }
2553
2554 int saa7134_videoport_init(struct saa7134_dev *dev)
2555 {
2556         /* enable video output */
2557         int vo = saa7134_boards[dev->board].video_out;
2558         int video_reg;
2559         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2560
2561         /* Configure videoport */
2562         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2563         video_reg = video_out[vo][1];
2564         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2565                 video_reg &= ~VP_T_CODE_P_INVERTED;
2566         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2567         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2568         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2569         video_reg = video_out[vo][5];
2570         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2571                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2572         if (vid_port_opts & SET_CLOCK_INVERTED)
2573                 video_reg |= VP_CLK_CTRL1_INVERTED;
2574         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2575         video_reg = video_out[vo][6];
2576         if (vid_port_opts & SET_VSYNC_OFF) {
2577                 video_reg &= ~VP_VS_TYPE_MASK;
2578                 video_reg |= VP_VS_TYPE_OFF;
2579         }
2580         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2581         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2582         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2583
2584         /* Start videoport */
2585         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2586
2587         return 0;
2588 }
2589
2590 int saa7134_video_init2(struct saa7134_dev *dev)
2591 {
2592         /* init video hw */
2593         set_tvnorm(dev,&tvnorms[0]);
2594         video_mux(dev,0);
2595         saa7134_tvaudio_setmute(dev);
2596         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2597         return 0;
2598 }
2599
2600 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2601 {
2602         static const char *st[] = {
2603                 "(no signal)", "NTSC", "PAL", "SECAM" };
2604         u32 st1,st2;
2605
2606         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2607         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2608         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2609                 (st1 & 0x40) ? "not locked" : "locked",
2610                 (st2 & 0x40) ? "no"         : "yes",
2611                 st[st1 & 0x03]);
2612         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2613
2614         if (dev->nosignal) {
2615                 /* no video signal -> mute audio */
2616                 if (dev->ctl_automute)
2617                         dev->automute = 1;
2618                 saa7134_tvaudio_setmute(dev);
2619         } else {
2620                 /* wake up tvaudio audio carrier scan thread */
2621                 saa7134_tvaudio_do_scan(dev);
2622         }
2623
2624         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2625                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2626         else
2627                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2628
2629         if (dev->mops && dev->mops->signal_change)
2630                 dev->mops->signal_change(dev);
2631 }
2632
2633
2634 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2635 {
2636         enum v4l2_field field;
2637
2638         spin_lock(&dev->slock);
2639         if (dev->video_q.curr) {
2640                 dev->video_fieldcount++;
2641                 field = dev->video_q.curr->vb.field;
2642                 if (V4L2_FIELD_HAS_BOTH(field)) {
2643                         /* make sure we have seen both fields */
2644                         if ((status & 0x10) == 0x00) {
2645                                 dev->video_q.curr->top_seen = 1;
2646                                 goto done;
2647                         }
2648                         if (!dev->video_q.curr->top_seen)
2649                                 goto done;
2650                 } else if (field == V4L2_FIELD_TOP) {
2651                         if ((status & 0x10) != 0x10)
2652                                 goto done;
2653                 } else if (field == V4L2_FIELD_BOTTOM) {
2654                         if ((status & 0x10) != 0x00)
2655                                 goto done;
2656                 }
2657                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2658                 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2659         }
2660         saa7134_buffer_next(dev,&dev->video_q);
2661
2662  done:
2663         spin_unlock(&dev->slock);
2664 }
2665
2666 /* ----------------------------------------------------------- */
2667 /*
2668  * Local variables:
2669  * c-basic-offset: 8
2670  * End:
2671  */