1e23547531b92ce0ccba0366bd9843a1e5d00460
[sfrench/cifs-2.6.git] / drivers / media / pci / saa7134 / saa7134-video.c
1 /*
2  *
3  * device driver for philips saa7134 based TV cards
4  * video4linux video interface
5  *
6  * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 2 of the License, or
11  *  (at your option) any later version.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to the Free Software
20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22
23 #include <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/saa6588.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        = 719,   \
209                 .video_v_start = 23,    \
210                 .video_v_stop  = 262,   \
211                 .vbi_v_start_0 = 10,    \
212                 .vbi_v_stop_0  = 21,    \
213                 .vbi_v_start_1 = 273,   \
214                 .src_timing    = 7
215
216 static struct saa7134_tvnorm tvnorms[] = {
217         {
218                 .name          = "PAL", /* autodetect */
219                 .id            = V4L2_STD_PAL,
220                 NORM_625_50,
221
222                 .sync_control  = 0x18,
223                 .luma_control  = 0x40,
224                 .chroma_ctrl1  = 0x81,
225                 .chroma_gain   = 0x2a,
226                 .chroma_ctrl2  = 0x06,
227                 .vgate_misc    = 0x1c,
228
229         },{
230                 .name          = "PAL-BG",
231                 .id            = V4L2_STD_PAL_BG,
232                 NORM_625_50,
233
234                 .sync_control  = 0x18,
235                 .luma_control  = 0x40,
236                 .chroma_ctrl1  = 0x81,
237                 .chroma_gain   = 0x2a,
238                 .chroma_ctrl2  = 0x06,
239                 .vgate_misc    = 0x1c,
240
241         },{
242                 .name          = "PAL-I",
243                 .id            = V4L2_STD_PAL_I,
244                 NORM_625_50,
245
246                 .sync_control  = 0x18,
247                 .luma_control  = 0x40,
248                 .chroma_ctrl1  = 0x81,
249                 .chroma_gain   = 0x2a,
250                 .chroma_ctrl2  = 0x06,
251                 .vgate_misc    = 0x1c,
252
253         },{
254                 .name          = "PAL-DK",
255                 .id            = V4L2_STD_PAL_DK,
256                 NORM_625_50,
257
258                 .sync_control  = 0x18,
259                 .luma_control  = 0x40,
260                 .chroma_ctrl1  = 0x81,
261                 .chroma_gain   = 0x2a,
262                 .chroma_ctrl2  = 0x06,
263                 .vgate_misc    = 0x1c,
264
265         },{
266                 .name          = "NTSC",
267                 .id            = V4L2_STD_NTSC,
268                 NORM_525_60,
269
270                 .sync_control  = 0x59,
271                 .luma_control  = 0x40,
272                 .chroma_ctrl1  = 0x89,
273                 .chroma_gain   = 0x2a,
274                 .chroma_ctrl2  = 0x0e,
275                 .vgate_misc    = 0x18,
276
277         },{
278                 .name          = "SECAM",
279                 .id            = V4L2_STD_SECAM,
280                 NORM_625_50,
281
282                 .sync_control  = 0x18,
283                 .luma_control  = 0x1b,
284                 .chroma_ctrl1  = 0xd1,
285                 .chroma_gain   = 0x80,
286                 .chroma_ctrl2  = 0x00,
287                 .vgate_misc    = 0x1c,
288
289         },{
290                 .name          = "SECAM-DK",
291                 .id            = V4L2_STD_SECAM_DK,
292                 NORM_625_50,
293
294                 .sync_control  = 0x18,
295                 .luma_control  = 0x1b,
296                 .chroma_ctrl1  = 0xd1,
297                 .chroma_gain   = 0x80,
298                 .chroma_ctrl2  = 0x00,
299                 .vgate_misc    = 0x1c,
300
301         },{
302                 .name          = "SECAM-L",
303                 .id            = V4L2_STD_SECAM_L,
304                 NORM_625_50,
305
306                 .sync_control  = 0x18,
307                 .luma_control  = 0x1b,
308                 .chroma_ctrl1  = 0xd1,
309                 .chroma_gain   = 0x80,
310                 .chroma_ctrl2  = 0x00,
311                 .vgate_misc    = 0x1c,
312
313         },{
314                 .name          = "SECAM-Lc",
315                 .id            = V4L2_STD_SECAM_LC,
316                 NORM_625_50,
317
318                 .sync_control  = 0x18,
319                 .luma_control  = 0x1b,
320                 .chroma_ctrl1  = 0xd1,
321                 .chroma_gain   = 0x80,
322                 .chroma_ctrl2  = 0x00,
323                 .vgate_misc    = 0x1c,
324
325         },{
326                 .name          = "PAL-M",
327                 .id            = V4L2_STD_PAL_M,
328                 NORM_525_60,
329
330                 .sync_control  = 0x59,
331                 .luma_control  = 0x40,
332                 .chroma_ctrl1  = 0xb9,
333                 .chroma_gain   = 0x2a,
334                 .chroma_ctrl2  = 0x0e,
335                 .vgate_misc    = 0x18,
336
337         },{
338                 .name          = "PAL-Nc",
339                 .id            = V4L2_STD_PAL_Nc,
340                 NORM_625_50,
341
342                 .sync_control  = 0x18,
343                 .luma_control  = 0x40,
344                 .chroma_ctrl1  = 0xa1,
345                 .chroma_gain   = 0x2a,
346                 .chroma_ctrl2  = 0x06,
347                 .vgate_misc    = 0x1c,
348
349         },{
350                 .name          = "PAL-60",
351                 .id            = V4L2_STD_PAL_60,
352
353                 .h_start       = 0,
354                 .h_stop        = 719,
355                 .video_v_start = 23,
356                 .video_v_stop  = 262,
357                 .vbi_v_start_0 = 10,
358                 .vbi_v_stop_0  = 21,
359                 .vbi_v_start_1 = 273,
360                 .src_timing    = 7,
361
362                 .sync_control  = 0x18,
363                 .luma_control  = 0x40,
364                 .chroma_ctrl1  = 0x81,
365                 .chroma_gain   = 0x2a,
366                 .chroma_ctrl2  = 0x06,
367                 .vgate_misc    = 0x1c,
368         }
369 };
370 #define TVNORMS ARRAY_SIZE(tvnorms)
371
372 #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, core, 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, core, 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                 dev->video_q.curr = NULL;
1061
1062                 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1063                 if (err)
1064                         goto oops;
1065                 err = saa7134_pgtable_build(dev->pci,buf->pt,
1066                                             dma->sglist,
1067                                             dma->sglen,
1068                                             saa7134_buffer_startpage(buf));
1069                 if (err)
1070                         goto oops;
1071         }
1072         buf->vb.state = VIDEOBUF_PREPARED;
1073         buf->activate = buffer_activate;
1074         return 0;
1075
1076  oops:
1077         saa7134_dma_free(q,buf);
1078         return err;
1079 }
1080
1081 static int
1082 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1083 {
1084         struct saa7134_fh *fh = q->priv_data;
1085
1086         *size = fh->fmt->depth * fh->width * fh->height >> 3;
1087         if (0 == *count)
1088                 *count = gbuffers;
1089         *count = saa7134_buffer_count(*size,*count);
1090         return 0;
1091 }
1092
1093 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1094 {
1095         struct saa7134_fh *fh = q->priv_data;
1096         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1097
1098         saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1099 }
1100
1101 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1102 {
1103         struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1104
1105         saa7134_dma_free(q,buf);
1106 }
1107
1108 static struct videobuf_queue_ops video_qops = {
1109         .buf_setup    = buffer_setup,
1110         .buf_prepare  = buffer_prepare,
1111         .buf_queue    = buffer_queue,
1112         .buf_release  = buffer_release,
1113 };
1114
1115 /* ------------------------------------------------------------------ */
1116
1117 int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c)
1118 {
1119         const struct v4l2_queryctrl* ctrl;
1120
1121         ctrl = ctrl_by_id(c->id);
1122         if (NULL == ctrl)
1123                 return -EINVAL;
1124         switch (c->id) {
1125         case V4L2_CID_BRIGHTNESS:
1126                 c->value = dev->ctl_bright;
1127                 break;
1128         case V4L2_CID_HUE:
1129                 c->value = dev->ctl_hue;
1130                 break;
1131         case V4L2_CID_CONTRAST:
1132                 c->value = dev->ctl_contrast;
1133                 break;
1134         case V4L2_CID_SATURATION:
1135                 c->value = dev->ctl_saturation;
1136                 break;
1137         case V4L2_CID_AUDIO_MUTE:
1138                 c->value = dev->ctl_mute;
1139                 break;
1140         case V4L2_CID_AUDIO_VOLUME:
1141                 c->value = dev->ctl_volume;
1142                 break;
1143         case V4L2_CID_PRIVATE_INVERT:
1144                 c->value = dev->ctl_invert;
1145                 break;
1146         case V4L2_CID_HFLIP:
1147                 c->value = dev->ctl_mirror;
1148                 break;
1149         case V4L2_CID_PRIVATE_Y_EVEN:
1150                 c->value = dev->ctl_y_even;
1151                 break;
1152         case V4L2_CID_PRIVATE_Y_ODD:
1153                 c->value = dev->ctl_y_odd;
1154                 break;
1155         case V4L2_CID_PRIVATE_AUTOMUTE:
1156                 c->value = dev->ctl_automute;
1157                 break;
1158         default:
1159                 return -EINVAL;
1160         }
1161         return 0;
1162 }
1163 EXPORT_SYMBOL_GPL(saa7134_g_ctrl_internal);
1164
1165 static int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c)
1166 {
1167         struct saa7134_fh *fh = priv;
1168
1169         return saa7134_g_ctrl_internal(fh->dev, fh, c);
1170 }
1171
1172 int saa7134_s_ctrl_internal(struct saa7134_dev *dev,  struct saa7134_fh *fh, struct v4l2_control *c)
1173 {
1174         const struct v4l2_queryctrl* ctrl;
1175         unsigned long flags;
1176         int restart_overlay = 0;
1177         int err;
1178
1179         /* When called from the empress code fh == NULL.
1180            That needs to be fixed somehow, but for now this is
1181            good enough. */
1182         if (fh) {
1183                 err = v4l2_prio_check(&dev->prio, fh->prio);
1184                 if (0 != err)
1185                         return err;
1186         }
1187         err = -EINVAL;
1188
1189         mutex_lock(&dev->lock);
1190
1191         ctrl = ctrl_by_id(c->id);
1192         if (NULL == ctrl)
1193                 goto error;
1194
1195         dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1196         switch (ctrl->type) {
1197         case V4L2_CTRL_TYPE_BOOLEAN:
1198         case V4L2_CTRL_TYPE_MENU:
1199         case V4L2_CTRL_TYPE_INTEGER:
1200                 if (c->value < ctrl->minimum)
1201                         c->value = ctrl->minimum;
1202                 if (c->value > ctrl->maximum)
1203                         c->value = ctrl->maximum;
1204                 break;
1205         default:
1206                 /* nothing */;
1207         }
1208         switch (c->id) {
1209         case V4L2_CID_BRIGHTNESS:
1210                 dev->ctl_bright = c->value;
1211                 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1212                 break;
1213         case V4L2_CID_HUE:
1214                 dev->ctl_hue = c->value;
1215                 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1216                 break;
1217         case V4L2_CID_CONTRAST:
1218                 dev->ctl_contrast = c->value;
1219                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1220                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1221                 break;
1222         case V4L2_CID_SATURATION:
1223                 dev->ctl_saturation = c->value;
1224                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1225                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1226                 break;
1227         case V4L2_CID_AUDIO_MUTE:
1228                 dev->ctl_mute = c->value;
1229                 saa7134_tvaudio_setmute(dev);
1230                 break;
1231         case V4L2_CID_AUDIO_VOLUME:
1232                 dev->ctl_volume = c->value;
1233                 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1234                 break;
1235         case V4L2_CID_PRIVATE_INVERT:
1236                 dev->ctl_invert = c->value;
1237                 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1238                            dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1239                 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1240                            dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1241                 break;
1242         case V4L2_CID_HFLIP:
1243                 dev->ctl_mirror = c->value;
1244                 restart_overlay = 1;
1245                 break;
1246         case V4L2_CID_PRIVATE_Y_EVEN:
1247                 dev->ctl_y_even = c->value;
1248                 restart_overlay = 1;
1249                 break;
1250         case V4L2_CID_PRIVATE_Y_ODD:
1251                 dev->ctl_y_odd = c->value;
1252                 restart_overlay = 1;
1253                 break;
1254         case V4L2_CID_PRIVATE_AUTOMUTE:
1255         {
1256                 struct v4l2_priv_tun_config tda9887_cfg;
1257
1258                 tda9887_cfg.tuner = TUNER_TDA9887;
1259                 tda9887_cfg.priv = &dev->tda9887_conf;
1260
1261                 dev->ctl_automute = c->value;
1262                 if (dev->tda9887_conf) {
1263                         if (dev->ctl_automute)
1264                                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1265                         else
1266                                 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1267
1268                         saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1269                 }
1270                 break;
1271         }
1272         default:
1273                 goto error;
1274         }
1275         if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1276                 spin_lock_irqsave(&dev->slock,flags);
1277                 stop_preview(dev,fh);
1278                 start_preview(dev,fh);
1279                 spin_unlock_irqrestore(&dev->slock,flags);
1280         }
1281         err = 0;
1282
1283 error:
1284         mutex_unlock(&dev->lock);
1285         return err;
1286 }
1287 EXPORT_SYMBOL_GPL(saa7134_s_ctrl_internal);
1288
1289 static int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c)
1290 {
1291         struct saa7134_fh *fh = f;
1292
1293         return saa7134_s_ctrl_internal(fh->dev, fh, c);
1294 }
1295
1296 /* ------------------------------------------------------------------ */
1297
1298 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1299 {
1300         struct videobuf_queue* q = NULL;
1301
1302         switch (fh->type) {
1303         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1304                 q = &fh->cap;
1305                 break;
1306         case V4L2_BUF_TYPE_VBI_CAPTURE:
1307                 q = &fh->vbi;
1308                 break;
1309         default:
1310                 BUG();
1311         }
1312         return q;
1313 }
1314
1315 static int saa7134_resource(struct saa7134_fh *fh)
1316 {
1317         if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1318                 return RESOURCE_VIDEO;
1319
1320         if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1321                 return RESOURCE_VBI;
1322
1323         BUG();
1324         return 0;
1325 }
1326
1327 static int video_open(struct file *file)
1328 {
1329         struct video_device *vdev = video_devdata(file);
1330         struct saa7134_dev *dev = video_drvdata(file);
1331         struct saa7134_fh *fh;
1332         enum v4l2_buf_type type = 0;
1333         int radio = 0;
1334
1335         switch (vdev->vfl_type) {
1336         case VFL_TYPE_GRABBER:
1337                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1338                 break;
1339         case VFL_TYPE_VBI:
1340                 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1341                 break;
1342         case VFL_TYPE_RADIO:
1343                 radio = 1;
1344                 break;
1345         }
1346
1347         dprintk("open dev=%s radio=%d type=%s\n", video_device_node_name(vdev),
1348                 radio, v4l2_type_names[type]);
1349
1350         /* allocate + initialize per filehandle data */
1351         fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1352         if (NULL == fh)
1353                 return -ENOMEM;
1354
1355         file->private_data = fh;
1356         fh->dev      = dev;
1357         fh->radio    = radio;
1358         fh->type     = type;
1359         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1360         fh->width    = 720;
1361         fh->height   = 576;
1362         v4l2_prio_open(&dev->prio, &fh->prio);
1363
1364         videobuf_queue_sg_init(&fh->cap, &video_qops,
1365                             &dev->pci->dev, &dev->slock,
1366                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
1367                             V4L2_FIELD_INTERLACED,
1368                             sizeof(struct saa7134_buf),
1369                             fh, NULL);
1370         videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops,
1371                             &dev->pci->dev, &dev->slock,
1372                             V4L2_BUF_TYPE_VBI_CAPTURE,
1373                             V4L2_FIELD_SEQ_TB,
1374                             sizeof(struct saa7134_buf),
1375                             fh, NULL);
1376         saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1377         saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1378
1379         if (fh->radio) {
1380                 /* switch to radio mode */
1381                 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1382                 saa_call_all(dev, tuner, s_radio);
1383         } else {
1384                 /* switch to video/vbi mode */
1385                 video_mux(dev,dev->ctl_input);
1386         }
1387         return 0;
1388 }
1389
1390 static ssize_t
1391 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1392 {
1393         struct saa7134_fh *fh = file->private_data;
1394
1395         switch (fh->type) {
1396         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1397                 if (res_locked(fh->dev,RESOURCE_VIDEO))
1398                         return -EBUSY;
1399                 return videobuf_read_one(saa7134_queue(fh),
1400                                          data, count, ppos,
1401                                          file->f_flags & O_NONBLOCK);
1402         case V4L2_BUF_TYPE_VBI_CAPTURE:
1403                 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1404                         return -EBUSY;
1405                 return videobuf_read_stream(saa7134_queue(fh),
1406                                             data, count, ppos, 1,
1407                                             file->f_flags & O_NONBLOCK);
1408                 break;
1409         default:
1410                 BUG();
1411                 return 0;
1412         }
1413 }
1414
1415 static unsigned int
1416 video_poll(struct file *file, struct poll_table_struct *wait)
1417 {
1418         struct saa7134_fh *fh = file->private_data;
1419         struct videobuf_buffer *buf = NULL;
1420         unsigned int rc = 0;
1421
1422         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1423                 return videobuf_poll_stream(file, &fh->vbi, wait);
1424
1425         if (res_check(fh,RESOURCE_VIDEO)) {
1426                 mutex_lock(&fh->cap.vb_lock);
1427                 if (!list_empty(&fh->cap.stream))
1428                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1429         } else {
1430                 mutex_lock(&fh->cap.vb_lock);
1431                 if (UNSET == fh->cap.read_off) {
1432                         /* need to capture a new frame */
1433                         if (res_locked(fh->dev,RESOURCE_VIDEO))
1434                                 goto err;
1435                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field))
1436                                 goto err;
1437                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1438                         fh->cap.read_off = 0;
1439                 }
1440                 buf = fh->cap.read_buf;
1441         }
1442
1443         if (!buf)
1444                 goto err;
1445
1446         poll_wait(file, &buf->done, wait);
1447         if (buf->state == VIDEOBUF_DONE ||
1448             buf->state == VIDEOBUF_ERROR)
1449                 rc = POLLIN|POLLRDNORM;
1450         mutex_unlock(&fh->cap.vb_lock);
1451         return rc;
1452
1453 err:
1454         mutex_unlock(&fh->cap.vb_lock);
1455         return POLLERR;
1456 }
1457
1458 static int video_release(struct file *file)
1459 {
1460         struct saa7134_fh  *fh  = file->private_data;
1461         struct saa7134_dev *dev = fh->dev;
1462         struct saa6588_command cmd;
1463         unsigned long flags;
1464
1465         saa7134_tvaudio_close(dev);
1466
1467         /* turn off overlay */
1468         if (res_check(fh, RESOURCE_OVERLAY)) {
1469                 spin_lock_irqsave(&dev->slock,flags);
1470                 stop_preview(dev,fh);
1471                 spin_unlock_irqrestore(&dev->slock,flags);
1472                 res_free(dev,fh,RESOURCE_OVERLAY);
1473         }
1474
1475         /* stop video capture */
1476         if (res_check(fh, RESOURCE_VIDEO)) {
1477                 videobuf_streamoff(&fh->cap);
1478                 res_free(dev,fh,RESOURCE_VIDEO);
1479         }
1480         if (fh->cap.read_buf) {
1481                 buffer_release(&fh->cap,fh->cap.read_buf);
1482                 kfree(fh->cap.read_buf);
1483         }
1484
1485         /* stop vbi capture */
1486         if (res_check(fh, RESOURCE_VBI)) {
1487                 videobuf_stop(&fh->vbi);
1488                 res_free(dev,fh,RESOURCE_VBI);
1489         }
1490
1491         /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1492         saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1493         saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1494         saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1495         saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1496
1497         saa_call_all(dev, core, s_power, 0);
1498         if (fh->radio)
1499                 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1500
1501         /* free stuff */
1502         videobuf_mmap_free(&fh->cap);
1503         videobuf_mmap_free(&fh->vbi);
1504         saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1505         saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1506
1507         v4l2_prio_close(&dev->prio, fh->prio);
1508         file->private_data = NULL;
1509         kfree(fh);
1510         return 0;
1511 }
1512
1513 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1514 {
1515         struct saa7134_fh *fh = file->private_data;
1516
1517         return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1518 }
1519
1520 static ssize_t radio_read(struct file *file, char __user *data,
1521                          size_t count, loff_t *ppos)
1522 {
1523         struct saa7134_fh *fh = file->private_data;
1524         struct saa7134_dev *dev = fh->dev;
1525         struct saa6588_command cmd;
1526
1527         cmd.block_count = count/3;
1528         cmd.buffer = data;
1529         cmd.instance = file;
1530         cmd.result = -ENODEV;
1531
1532         saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1533
1534         return cmd.result;
1535 }
1536
1537 static unsigned int radio_poll(struct file *file, poll_table *wait)
1538 {
1539         struct saa7134_fh *fh = file->private_data;
1540         struct saa7134_dev *dev = fh->dev;
1541         struct saa6588_command cmd;
1542
1543         cmd.instance = file;
1544         cmd.event_list = wait;
1545         cmd.result = -ENODEV;
1546         saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1547
1548         return cmd.result;
1549 }
1550
1551 /* ------------------------------------------------------------------ */
1552
1553 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1554                                                 struct v4l2_format *f)
1555 {
1556         struct saa7134_fh *fh = priv;
1557         struct saa7134_dev *dev = fh->dev;
1558         struct saa7134_tvnorm *norm = dev->tvnorm;
1559
1560         f->fmt.vbi.sampling_rate = 6750000 * 4;
1561         f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1562         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1563         f->fmt.vbi.offset = 64 * 4;
1564         f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1565         f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1566         f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1567         f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1568         f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1569
1570         return 0;
1571 }
1572
1573 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1574                                 struct v4l2_format *f)
1575 {
1576         struct saa7134_fh *fh = priv;
1577
1578         f->fmt.pix.width        = fh->width;
1579         f->fmt.pix.height       = fh->height;
1580         f->fmt.pix.field        = fh->cap.field;
1581         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
1582         f->fmt.pix.bytesperline =
1583                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1584         f->fmt.pix.sizeimage =
1585                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1586         return 0;
1587 }
1588
1589 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1590                                 struct v4l2_format *f)
1591 {
1592         struct saa7134_fh *fh = priv;
1593
1594         if (saa7134_no_overlay > 0) {
1595                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1596                 return -EINVAL;
1597         }
1598         f->fmt.win = fh->win;
1599
1600         return 0;
1601 }
1602
1603 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1604                                                 struct v4l2_format *f)
1605 {
1606         struct saa7134_fh *fh = priv;
1607         struct saa7134_dev *dev = fh->dev;
1608         struct saa7134_format *fmt;
1609         enum v4l2_field field;
1610         unsigned int maxw, maxh;
1611
1612         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1613         if (NULL == fmt)
1614                 return -EINVAL;
1615
1616         field = f->fmt.pix.field;
1617         maxw  = min(dev->crop_current.width*4,  dev->crop_bounds.width);
1618         maxh  = min(dev->crop_current.height*4, dev->crop_bounds.height);
1619
1620         if (V4L2_FIELD_ANY == field) {
1621                 field = (f->fmt.pix.height > maxh/2)
1622                         ? V4L2_FIELD_INTERLACED
1623                         : V4L2_FIELD_BOTTOM;
1624         }
1625         switch (field) {
1626         case V4L2_FIELD_TOP:
1627         case V4L2_FIELD_BOTTOM:
1628                 maxh = maxh / 2;
1629                 break;
1630         case V4L2_FIELD_INTERLACED:
1631                 break;
1632         default:
1633                 return -EINVAL;
1634         }
1635
1636         f->fmt.pix.field = field;
1637         if (f->fmt.pix.width  < 48)
1638                 f->fmt.pix.width  = 48;
1639         if (f->fmt.pix.height < 32)
1640                 f->fmt.pix.height = 32;
1641         if (f->fmt.pix.width > maxw)
1642                 f->fmt.pix.width = maxw;
1643         if (f->fmt.pix.height > maxh)
1644                 f->fmt.pix.height = maxh;
1645         f->fmt.pix.width &= ~0x03;
1646         f->fmt.pix.bytesperline =
1647                 (f->fmt.pix.width * fmt->depth) >> 3;
1648         f->fmt.pix.sizeimage =
1649                 f->fmt.pix.height * f->fmt.pix.bytesperline;
1650
1651         return 0;
1652 }
1653
1654 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1655                                                 struct v4l2_format *f)
1656 {
1657         struct saa7134_fh *fh = priv;
1658         struct saa7134_dev *dev = fh->dev;
1659
1660         if (saa7134_no_overlay > 0) {
1661                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1662                 return -EINVAL;
1663         }
1664
1665         return verify_preview(dev, &f->fmt.win);
1666 }
1667
1668 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1669                                         struct v4l2_format *f)
1670 {
1671         struct saa7134_fh *fh = priv;
1672         int err;
1673
1674         err = saa7134_try_fmt_vid_cap(file, priv, f);
1675         if (0 != err)
1676                 return err;
1677
1678         fh->fmt       = format_by_fourcc(f->fmt.pix.pixelformat);
1679         fh->width     = f->fmt.pix.width;
1680         fh->height    = f->fmt.pix.height;
1681         fh->cap.field = f->fmt.pix.field;
1682         return 0;
1683 }
1684
1685 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1686                                         struct v4l2_format *f)
1687 {
1688         struct saa7134_fh *fh = priv;
1689         struct saa7134_dev *dev = fh->dev;
1690         int err;
1691         unsigned long flags;
1692
1693         if (saa7134_no_overlay > 0) {
1694                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1695                 return -EINVAL;
1696         }
1697         err = verify_preview(dev, &f->fmt.win);
1698         if (0 != err)
1699                 return err;
1700
1701         mutex_lock(&dev->lock);
1702
1703         fh->win    = f->fmt.win;
1704         fh->nclips = f->fmt.win.clipcount;
1705
1706         if (fh->nclips > 8)
1707                 fh->nclips = 8;
1708
1709         if (copy_from_user(fh->clips, f->fmt.win.clips,
1710                            sizeof(struct v4l2_clip)*fh->nclips)) {
1711                 mutex_unlock(&dev->lock);
1712                 return -EFAULT;
1713         }
1714
1715         if (res_check(fh, RESOURCE_OVERLAY)) {
1716                 spin_lock_irqsave(&dev->slock, flags);
1717                 stop_preview(dev, fh);
1718                 start_preview(dev, fh);
1719                 spin_unlock_irqrestore(&dev->slock, flags);
1720         }
1721
1722         mutex_unlock(&dev->lock);
1723         return 0;
1724 }
1725
1726 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c)
1727 {
1728         const struct v4l2_queryctrl *ctrl;
1729
1730         if ((c->id <  V4L2_CID_BASE ||
1731              c->id >= V4L2_CID_LASTP1) &&
1732             (c->id <  V4L2_CID_PRIVATE_BASE ||
1733              c->id >= V4L2_CID_PRIVATE_LASTP1))
1734                 return -EINVAL;
1735         ctrl = ctrl_by_id(c->id);
1736         *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1737         return 0;
1738 }
1739 EXPORT_SYMBOL_GPL(saa7134_queryctrl);
1740
1741 static int saa7134_enum_input(struct file *file, void *priv,
1742                                         struct v4l2_input *i)
1743 {
1744         struct saa7134_fh *fh = priv;
1745         struct saa7134_dev *dev = fh->dev;
1746         unsigned int n;
1747
1748         n = i->index;
1749         if (n >= SAA7134_INPUT_MAX)
1750                 return -EINVAL;
1751         if (NULL == card_in(dev, i->index).name)
1752                 return -EINVAL;
1753         i->index = n;
1754         i->type  = V4L2_INPUT_TYPE_CAMERA;
1755         strcpy(i->name, card_in(dev, n).name);
1756         if (card_in(dev, n).tv)
1757                 i->type = V4L2_INPUT_TYPE_TUNER;
1758         i->audioset = 1;
1759         if (n == dev->ctl_input) {
1760                 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1761                 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1762
1763                 if (0 != (v1 & 0x40))
1764                         i->status |= V4L2_IN_ST_NO_H_LOCK;
1765                 if (0 != (v2 & 0x40))
1766                         i->status |= V4L2_IN_ST_NO_SYNC;
1767                 if (0 != (v2 & 0x0e))
1768                         i->status |= V4L2_IN_ST_MACROVISION;
1769         }
1770         i->std = SAA7134_NORMS;
1771         return 0;
1772 }
1773
1774 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1775 {
1776         struct saa7134_fh *fh = priv;
1777         struct saa7134_dev *dev = fh->dev;
1778
1779         *i = dev->ctl_input;
1780         return 0;
1781 }
1782
1783 static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1784 {
1785         struct saa7134_fh *fh = priv;
1786         struct saa7134_dev *dev = fh->dev;
1787         int err;
1788
1789         err = v4l2_prio_check(&dev->prio, fh->prio);
1790         if (0 != err)
1791                 return err;
1792
1793         if (i >= SAA7134_INPUT_MAX)
1794                 return -EINVAL;
1795         if (NULL == card_in(dev, i).name)
1796                 return -EINVAL;
1797         mutex_lock(&dev->lock);
1798         video_mux(dev, i);
1799         mutex_unlock(&dev->lock);
1800         return 0;
1801 }
1802
1803 static int saa7134_querycap(struct file *file, void  *priv,
1804                                         struct v4l2_capability *cap)
1805 {
1806         struct saa7134_fh *fh = priv;
1807         struct saa7134_dev *dev = fh->dev;
1808
1809         unsigned int tuner_type = dev->tuner_type;
1810
1811         strcpy(cap->driver, "saa7134");
1812         strlcpy(cap->card, saa7134_boards[dev->board].name,
1813                 sizeof(cap->card));
1814         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1815         cap->capabilities =
1816                 V4L2_CAP_VIDEO_CAPTURE |
1817                 V4L2_CAP_VBI_CAPTURE |
1818                 V4L2_CAP_READWRITE |
1819                 V4L2_CAP_STREAMING |
1820                 V4L2_CAP_TUNER;
1821         if (dev->has_rds)
1822                 cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
1823         if (saa7134_no_overlay <= 0)
1824                 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1825
1826         if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1827                 cap->capabilities &= ~V4L2_CAP_TUNER;
1828         return 0;
1829 }
1830
1831 int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id *id)
1832 {
1833         unsigned long flags;
1834         unsigned int i;
1835         v4l2_std_id fixup;
1836         int err;
1837
1838         /* When called from the empress code fh == NULL.
1839            That needs to be fixed somehow, but for now this is
1840            good enough. */
1841         if (fh) {
1842                 err = v4l2_prio_check(&dev->prio, fh->prio);
1843                 if (0 != err)
1844                         return err;
1845         } else if (res_locked(dev, RESOURCE_OVERLAY)) {
1846                 /* Don't change the std from the mpeg device
1847                    if overlay is active. */
1848                 return -EBUSY;
1849         }
1850
1851         for (i = 0; i < TVNORMS; i++)
1852                 if (*id == tvnorms[i].id)
1853                         break;
1854
1855         if (i == TVNORMS)
1856                 for (i = 0; i < TVNORMS; i++)
1857                         if (*id & tvnorms[i].id)
1858                                 break;
1859         if (i == TVNORMS)
1860                 return -EINVAL;
1861
1862         if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1863                 if (secam[0] == 'L' || secam[0] == 'l') {
1864                         if (secam[1] == 'C' || secam[1] == 'c')
1865                                 fixup = V4L2_STD_SECAM_LC;
1866                         else
1867                                 fixup = V4L2_STD_SECAM_L;
1868                 } else {
1869                         if (secam[0] == 'D' || secam[0] == 'd')
1870                                 fixup = V4L2_STD_SECAM_DK;
1871                         else
1872                                 fixup = V4L2_STD_SECAM;
1873                 }
1874                 for (i = 0; i < TVNORMS; i++) {
1875                         if (fixup == tvnorms[i].id)
1876                                 break;
1877                 }
1878                 if (i == TVNORMS)
1879                         return -EINVAL;
1880         }
1881
1882         *id = tvnorms[i].id;
1883
1884         mutex_lock(&dev->lock);
1885         if (fh && res_check(fh, RESOURCE_OVERLAY)) {
1886                 spin_lock_irqsave(&dev->slock, flags);
1887                 stop_preview(dev, fh);
1888                 spin_unlock_irqrestore(&dev->slock, flags);
1889
1890                 set_tvnorm(dev, &tvnorms[i]);
1891
1892                 spin_lock_irqsave(&dev->slock, flags);
1893                 start_preview(dev, fh);
1894                 spin_unlock_irqrestore(&dev->slock, flags);
1895         } else
1896                 set_tvnorm(dev, &tvnorms[i]);
1897
1898         saa7134_tvaudio_do_scan(dev);
1899         mutex_unlock(&dev->lock);
1900         return 0;
1901 }
1902 EXPORT_SYMBOL_GPL(saa7134_s_std_internal);
1903
1904 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id)
1905 {
1906         struct saa7134_fh *fh = priv;
1907
1908         return saa7134_s_std_internal(fh->dev, fh, id);
1909 }
1910
1911 static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1912 {
1913         struct saa7134_fh *fh = priv;
1914         struct saa7134_dev *dev = fh->dev;
1915
1916         *id = dev->tvnorm->id;
1917         return 0;
1918 }
1919
1920 static int saa7134_cropcap(struct file *file, void *priv,
1921                                         struct v4l2_cropcap *cap)
1922 {
1923         struct saa7134_fh *fh = priv;
1924         struct saa7134_dev *dev = fh->dev;
1925
1926         if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1927             cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1928                 return -EINVAL;
1929         cap->bounds  = dev->crop_bounds;
1930         cap->defrect = dev->crop_defrect;
1931         cap->pixelaspect.numerator   = 1;
1932         cap->pixelaspect.denominator = 1;
1933         if (dev->tvnorm->id & V4L2_STD_525_60) {
1934                 cap->pixelaspect.numerator   = 11;
1935                 cap->pixelaspect.denominator = 10;
1936         }
1937         if (dev->tvnorm->id & V4L2_STD_625_50) {
1938                 cap->pixelaspect.numerator   = 54;
1939                 cap->pixelaspect.denominator = 59;
1940         }
1941         return 0;
1942 }
1943
1944 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1945 {
1946         struct saa7134_fh *fh = f;
1947         struct saa7134_dev *dev = fh->dev;
1948
1949         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1950             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1951                 return -EINVAL;
1952         crop->c = dev->crop_current;
1953         return 0;
1954 }
1955
1956 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
1957 {
1958         struct saa7134_fh *fh = f;
1959         struct saa7134_dev *dev = fh->dev;
1960         struct v4l2_rect *b = &dev->crop_bounds;
1961         struct v4l2_rect *c = &dev->crop_current;
1962
1963         if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1964             crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1965                 return -EINVAL;
1966         if (crop->c.height < 0)
1967                 return -EINVAL;
1968         if (crop->c.width < 0)
1969                 return -EINVAL;
1970
1971         if (res_locked(fh->dev, RESOURCE_OVERLAY))
1972                 return -EBUSY;
1973         if (res_locked(fh->dev, RESOURCE_VIDEO))
1974                 return -EBUSY;
1975
1976         *c = crop->c;
1977         if (c->top < b->top)
1978                 c->top = b->top;
1979         if (c->top > b->top + b->height)
1980                 c->top = b->top + b->height;
1981         if (c->height > b->top - c->top + b->height)
1982                 c->height = b->top - c->top + b->height;
1983
1984         if (c->left < b->left)
1985                 c->left = b->left;
1986         if (c->left > b->left + b->width)
1987                 c->left = b->left + b->width;
1988         if (c->width > b->left - c->left + b->width)
1989                 c->width = b->left - c->left + b->width;
1990         return 0;
1991 }
1992
1993 static int saa7134_g_tuner(struct file *file, void *priv,
1994                                         struct v4l2_tuner *t)
1995 {
1996         struct saa7134_fh *fh = priv;
1997         struct saa7134_dev *dev = fh->dev;
1998         int n;
1999
2000         if (0 != t->index)
2001                 return -EINVAL;
2002         memset(t, 0, sizeof(*t));
2003         for (n = 0; n < SAA7134_INPUT_MAX; n++) {
2004                 if (card_in(dev, n).tv)
2005                         break;
2006         }
2007         if (n == SAA7134_INPUT_MAX)
2008                 return -EINVAL;
2009         if (NULL != card_in(dev, n).name) {
2010                 strcpy(t->name, "Television");
2011                 t->type = V4L2_TUNER_ANALOG_TV;
2012                 t->capability = V4L2_TUNER_CAP_NORM |
2013                         V4L2_TUNER_CAP_STEREO |
2014                         V4L2_TUNER_CAP_LANG1 |
2015                         V4L2_TUNER_CAP_LANG2;
2016                 t->rangehigh = 0xffffffffUL;
2017                 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
2018                 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
2019         }
2020         if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
2021                 t->signal = 0xffff;
2022         return 0;
2023 }
2024
2025 static int saa7134_s_tuner(struct file *file, void *priv,
2026                                         const struct v4l2_tuner *t)
2027 {
2028         struct saa7134_fh *fh = priv;
2029         struct saa7134_dev *dev = fh->dev;
2030         int rx, mode, err;
2031
2032         err = v4l2_prio_check(&dev->prio, fh->prio);
2033         if (0 != err)
2034                 return err;
2035
2036         mode = dev->thread.mode;
2037         if (UNSET == mode) {
2038                 rx   = saa7134_tvaudio_getstereo(dev);
2039                 mode = saa7134_tvaudio_rx2mode(rx);
2040         }
2041         if (mode != t->audmode)
2042                 dev->thread.mode = t->audmode;
2043
2044         return 0;
2045 }
2046
2047 static int saa7134_g_frequency(struct file *file, void *priv,
2048                                         struct v4l2_frequency *f)
2049 {
2050         struct saa7134_fh *fh = priv;
2051         struct saa7134_dev *dev = fh->dev;
2052
2053         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
2054         f->frequency = dev->ctl_freq;
2055
2056         return 0;
2057 }
2058
2059 static int saa7134_s_frequency(struct file *file, void *priv,
2060                                         const struct v4l2_frequency *f)
2061 {
2062         struct saa7134_fh *fh = priv;
2063         struct saa7134_dev *dev = fh->dev;
2064         int err;
2065
2066         err = v4l2_prio_check(&dev->prio, fh->prio);
2067         if (0 != err)
2068                 return err;
2069
2070         if (0 != f->tuner)
2071                 return -EINVAL;
2072         if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
2073                 return -EINVAL;
2074         if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
2075                 return -EINVAL;
2076         mutex_lock(&dev->lock);
2077         dev->ctl_freq = f->frequency;
2078
2079         saa_call_all(dev, tuner, s_frequency, f);
2080
2081         saa7134_tvaudio_do_scan(dev);
2082         mutex_unlock(&dev->lock);
2083         return 0;
2084 }
2085
2086 static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2087 {
2088         strcpy(a->name, "audio");
2089         return 0;
2090 }
2091
2092 static int saa7134_s_audio(struct file *file, void *priv, const struct v4l2_audio *a)
2093 {
2094         return 0;
2095 }
2096
2097 static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p)
2098 {
2099         struct saa7134_fh *fh = f;
2100         struct saa7134_dev *dev = fh->dev;
2101
2102         *p = v4l2_prio_max(&dev->prio);
2103         return 0;
2104 }
2105
2106 static int saa7134_s_priority(struct file *file, void *f,
2107                                         enum v4l2_priority prio)
2108 {
2109         struct saa7134_fh *fh = f;
2110         struct saa7134_dev *dev = fh->dev;
2111
2112         return v4l2_prio_change(&dev->prio, &fh->prio, prio);
2113 }
2114
2115 static int saa7134_enum_fmt_vid_cap(struct file *file, void  *priv,
2116                                         struct v4l2_fmtdesc *f)
2117 {
2118         if (f->index >= FORMATS)
2119                 return -EINVAL;
2120
2121         strlcpy(f->description, formats[f->index].name,
2122                 sizeof(f->description));
2123
2124         f->pixelformat = formats[f->index].fourcc;
2125
2126         return 0;
2127 }
2128
2129 static int saa7134_enum_fmt_vid_overlay(struct file *file, void  *priv,
2130                                         struct v4l2_fmtdesc *f)
2131 {
2132         if (saa7134_no_overlay > 0) {
2133                 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2134                 return -EINVAL;
2135         }
2136
2137         if ((f->index >= FORMATS) || formats[f->index].planar)
2138                 return -EINVAL;
2139
2140         strlcpy(f->description, formats[f->index].name,
2141                 sizeof(f->description));
2142
2143         f->pixelformat = formats[f->index].fourcc;
2144
2145         return 0;
2146 }
2147
2148 static int saa7134_g_fbuf(struct file *file, void *f,
2149                                 struct v4l2_framebuffer *fb)
2150 {
2151         struct saa7134_fh *fh = f;
2152         struct saa7134_dev *dev = fh->dev;
2153
2154         *fb = dev->ovbuf;
2155         fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2156
2157         return 0;
2158 }
2159
2160 static int saa7134_s_fbuf(struct file *file, void *f,
2161                                         const struct v4l2_framebuffer *fb)
2162 {
2163         struct saa7134_fh *fh = f;
2164         struct saa7134_dev *dev = fh->dev;
2165         struct saa7134_format *fmt;
2166
2167         if (!capable(CAP_SYS_ADMIN) &&
2168            !capable(CAP_SYS_RAWIO))
2169                 return -EPERM;
2170
2171         /* check args */
2172         fmt = format_by_fourcc(fb->fmt.pixelformat);
2173         if (NULL == fmt)
2174                 return -EINVAL;
2175
2176         /* ok, accept it */
2177         dev->ovbuf = *fb;
2178         dev->ovfmt = fmt;
2179         if (0 == dev->ovbuf.fmt.bytesperline)
2180                 dev->ovbuf.fmt.bytesperline =
2181                         dev->ovbuf.fmt.width*fmt->depth/8;
2182         return 0;
2183 }
2184
2185 static int saa7134_overlay(struct file *file, void *f, unsigned int on)
2186 {
2187         struct saa7134_fh *fh = f;
2188         struct saa7134_dev *dev = fh->dev;
2189         unsigned long flags;
2190
2191         if (on) {
2192                 if (saa7134_no_overlay > 0) {
2193                         dprintk("no_overlay\n");
2194                         return -EINVAL;
2195                 }
2196
2197                 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2198                         return -EBUSY;
2199                 spin_lock_irqsave(&dev->slock, flags);
2200                 start_preview(dev, fh);
2201                 spin_unlock_irqrestore(&dev->slock, flags);
2202         }
2203         if (!on) {
2204                 if (!res_check(fh, RESOURCE_OVERLAY))
2205                         return -EINVAL;
2206                 spin_lock_irqsave(&dev->slock, flags);
2207                 stop_preview(dev, fh);
2208                 spin_unlock_irqrestore(&dev->slock, flags);
2209                 res_free(dev, fh, RESOURCE_OVERLAY);
2210         }
2211         return 0;
2212 }
2213
2214 static int saa7134_reqbufs(struct file *file, void *priv,
2215                                         struct v4l2_requestbuffers *p)
2216 {
2217         struct saa7134_fh *fh = priv;
2218         return videobuf_reqbufs(saa7134_queue(fh), p);
2219 }
2220
2221 static int saa7134_querybuf(struct file *file, void *priv,
2222                                         struct v4l2_buffer *b)
2223 {
2224         struct saa7134_fh *fh = priv;
2225         return videobuf_querybuf(saa7134_queue(fh), b);
2226 }
2227
2228 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2229 {
2230         struct saa7134_fh *fh = priv;
2231         return videobuf_qbuf(saa7134_queue(fh), b);
2232 }
2233
2234 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2235 {
2236         struct saa7134_fh *fh = priv;
2237         return videobuf_dqbuf(saa7134_queue(fh), b,
2238                                 file->f_flags & O_NONBLOCK);
2239 }
2240
2241 static int saa7134_streamon(struct file *file, void *priv,
2242                                         enum v4l2_buf_type type)
2243 {
2244         struct saa7134_fh *fh = priv;
2245         struct saa7134_dev *dev = fh->dev;
2246         int res = saa7134_resource(fh);
2247
2248         if (!res_get(dev, fh, res))
2249                 return -EBUSY;
2250
2251         /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
2252          * configured conservatively, there's 22 usec of buffering for video.
2253          * We therefore request a DMA latency of 20 usec, giving us 2 usec of
2254          * margin in case the FIFO is configured differently to the datasheet.
2255          * Unfortunately, I lack register-level documentation to check the
2256          * Linux FIFO setup and confirm the perfect value.
2257          */
2258         pm_qos_add_request(&fh->qos_request,
2259                            PM_QOS_CPU_DMA_LATENCY,
2260                            20);
2261
2262         return videobuf_streamon(saa7134_queue(fh));
2263 }
2264
2265 static int saa7134_streamoff(struct file *file, void *priv,
2266                                         enum v4l2_buf_type type)
2267 {
2268         int err;
2269         struct saa7134_fh *fh = priv;
2270         struct saa7134_dev *dev = fh->dev;
2271         int res = saa7134_resource(fh);
2272
2273         pm_qos_remove_request(&fh->qos_request);
2274
2275         err = videobuf_streamoff(saa7134_queue(fh));
2276         if (err < 0)
2277                 return err;
2278         res_free(dev, fh, res);
2279         return 0;
2280 }
2281
2282 static int saa7134_g_parm(struct file *file, void *fh,
2283                                 struct v4l2_streamparm *parm)
2284 {
2285         return 0;
2286 }
2287
2288 #ifdef CONFIG_VIDEO_ADV_DEBUG
2289 static int vidioc_g_register (struct file *file, void *priv,
2290                               struct v4l2_dbg_register *reg)
2291 {
2292         struct saa7134_fh *fh = priv;
2293         struct saa7134_dev *dev = fh->dev;
2294
2295         if (!v4l2_chip_match_host(&reg->match))
2296                 return -EINVAL;
2297         reg->val = saa_readb(reg->reg);
2298         reg->size = 1;
2299         return 0;
2300 }
2301
2302 static int vidioc_s_register (struct file *file, void *priv,
2303                                 struct v4l2_dbg_register *reg)
2304 {
2305         struct saa7134_fh *fh = priv;
2306         struct saa7134_dev *dev = fh->dev;
2307
2308         if (!v4l2_chip_match_host(&reg->match))
2309                 return -EINVAL;
2310         saa_writeb(reg->reg&0xffffff, reg->val);
2311         return 0;
2312 }
2313 #endif
2314
2315 static int radio_querycap(struct file *file, void *priv,
2316                                         struct v4l2_capability *cap)
2317 {
2318         struct saa7134_fh *fh = file->private_data;
2319         struct saa7134_dev *dev = fh->dev;
2320
2321         strcpy(cap->driver, "saa7134");
2322         strlcpy(cap->card, saa7134_boards[dev->board].name, sizeof(cap->card));
2323         sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
2324         cap->capabilities = V4L2_CAP_TUNER;
2325         return 0;
2326 }
2327
2328 static int radio_g_tuner(struct file *file, void *priv,
2329                                         struct v4l2_tuner *t)
2330 {
2331         struct saa7134_fh *fh = file->private_data;
2332         struct saa7134_dev *dev = fh->dev;
2333
2334         if (0 != t->index)
2335                 return -EINVAL;
2336
2337         memset(t, 0, sizeof(*t));
2338         strcpy(t->name, "Radio");
2339         t->type = V4L2_TUNER_RADIO;
2340
2341         saa_call_all(dev, tuner, g_tuner, t);
2342         if (dev->input->amux == TV) {
2343                 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2344                 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2345                                 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2346         }
2347         return 0;
2348 }
2349 static int radio_s_tuner(struct file *file, void *priv,
2350                                         const struct v4l2_tuner *t)
2351 {
2352         struct saa7134_fh *fh = file->private_data;
2353         struct saa7134_dev *dev = fh->dev;
2354
2355         if (0 != t->index)
2356                 return -EINVAL;
2357
2358         saa_call_all(dev, tuner, s_tuner, t);
2359         return 0;
2360 }
2361
2362 static int radio_enum_input(struct file *file, void *priv,
2363                                         struct v4l2_input *i)
2364 {
2365         if (i->index != 0)
2366                 return -EINVAL;
2367
2368         strcpy(i->name, "Radio");
2369         i->type = V4L2_INPUT_TYPE_TUNER;
2370
2371         return 0;
2372 }
2373
2374 static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2375 {
2376         *i = 0;
2377         return 0;
2378 }
2379
2380 static int radio_g_audio(struct file *file, void *priv,
2381                                         struct v4l2_audio *a)
2382 {
2383         memset(a, 0, sizeof(*a));
2384         strcpy(a->name, "Radio");
2385         return 0;
2386 }
2387
2388 static int radio_s_audio(struct file *file, void *priv,
2389                                         const struct v4l2_audio *a)
2390 {
2391         return 0;
2392 }
2393
2394 static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2395 {
2396         return 0;
2397 }
2398
2399 static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm)
2400 {
2401         return 0;
2402 }
2403
2404 static int radio_queryctrl(struct file *file, void *priv,
2405                                         struct v4l2_queryctrl *c)
2406 {
2407         const struct v4l2_queryctrl *ctrl;
2408
2409         if (c->id <  V4L2_CID_BASE ||
2410             c->id >= V4L2_CID_LASTP1)
2411                 return -EINVAL;
2412         if (c->id == V4L2_CID_AUDIO_MUTE) {
2413                 ctrl = ctrl_by_id(c->id);
2414                 *c = *ctrl;
2415         } else
2416                 *c = no_ctrl;
2417         return 0;
2418 }
2419
2420 static const struct v4l2_file_operations video_fops =
2421 {
2422         .owner    = THIS_MODULE,
2423         .open     = video_open,
2424         .release  = video_release,
2425         .read     = video_read,
2426         .poll     = video_poll,
2427         .mmap     = video_mmap,
2428         .ioctl    = video_ioctl2,
2429 };
2430
2431 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2432         .vidioc_querycap                = saa7134_querycap,
2433         .vidioc_enum_fmt_vid_cap        = saa7134_enum_fmt_vid_cap,
2434         .vidioc_g_fmt_vid_cap           = saa7134_g_fmt_vid_cap,
2435         .vidioc_try_fmt_vid_cap         = saa7134_try_fmt_vid_cap,
2436         .vidioc_s_fmt_vid_cap           = saa7134_s_fmt_vid_cap,
2437         .vidioc_enum_fmt_vid_overlay    = saa7134_enum_fmt_vid_overlay,
2438         .vidioc_g_fmt_vid_overlay       = saa7134_g_fmt_vid_overlay,
2439         .vidioc_try_fmt_vid_overlay     = saa7134_try_fmt_vid_overlay,
2440         .vidioc_s_fmt_vid_overlay       = saa7134_s_fmt_vid_overlay,
2441         .vidioc_g_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
2442         .vidioc_try_fmt_vbi_cap         = saa7134_try_get_set_fmt_vbi_cap,
2443         .vidioc_s_fmt_vbi_cap           = saa7134_try_get_set_fmt_vbi_cap,
2444         .vidioc_g_audio                 = saa7134_g_audio,
2445         .vidioc_s_audio                 = saa7134_s_audio,
2446         .vidioc_cropcap                 = saa7134_cropcap,
2447         .vidioc_reqbufs                 = saa7134_reqbufs,
2448         .vidioc_querybuf                = saa7134_querybuf,
2449         .vidioc_qbuf                    = saa7134_qbuf,
2450         .vidioc_dqbuf                   = saa7134_dqbuf,
2451         .vidioc_s_std                   = saa7134_s_std,
2452         .vidioc_g_std                   = saa7134_g_std,
2453         .vidioc_enum_input              = saa7134_enum_input,
2454         .vidioc_g_input                 = saa7134_g_input,
2455         .vidioc_s_input                 = saa7134_s_input,
2456         .vidioc_queryctrl               = saa7134_queryctrl,
2457         .vidioc_g_ctrl                  = saa7134_g_ctrl,
2458         .vidioc_s_ctrl                  = saa7134_s_ctrl,
2459         .vidioc_streamon                = saa7134_streamon,
2460         .vidioc_streamoff               = saa7134_streamoff,
2461         .vidioc_g_tuner                 = saa7134_g_tuner,
2462         .vidioc_s_tuner                 = saa7134_s_tuner,
2463         .vidioc_g_crop                  = saa7134_g_crop,
2464         .vidioc_s_crop                  = saa7134_s_crop,
2465         .vidioc_g_fbuf                  = saa7134_g_fbuf,
2466         .vidioc_s_fbuf                  = saa7134_s_fbuf,
2467         .vidioc_overlay                 = saa7134_overlay,
2468         .vidioc_g_priority              = saa7134_g_priority,
2469         .vidioc_s_priority              = saa7134_s_priority,
2470         .vidioc_g_parm                  = saa7134_g_parm,
2471         .vidioc_g_frequency             = saa7134_g_frequency,
2472         .vidioc_s_frequency             = saa7134_s_frequency,
2473 #ifdef CONFIG_VIDEO_ADV_DEBUG
2474         .vidioc_g_register              = vidioc_g_register,
2475         .vidioc_s_register              = vidioc_s_register,
2476 #endif
2477 };
2478
2479 static const struct v4l2_file_operations radio_fops = {
2480         .owner    = THIS_MODULE,
2481         .open     = video_open,
2482         .read     = radio_read,
2483         .release  = video_release,
2484         .ioctl    = video_ioctl2,
2485         .poll     = radio_poll,
2486 };
2487
2488 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2489         .vidioc_querycap        = radio_querycap,
2490         .vidioc_g_tuner         = radio_g_tuner,
2491         .vidioc_enum_input      = radio_enum_input,
2492         .vidioc_g_audio         = radio_g_audio,
2493         .vidioc_s_tuner         = radio_s_tuner,
2494         .vidioc_s_audio         = radio_s_audio,
2495         .vidioc_s_input         = radio_s_input,
2496         .vidioc_s_std           = radio_s_std,
2497         .vidioc_queryctrl       = radio_queryctrl,
2498         .vidioc_g_input         = radio_g_input,
2499         .vidioc_g_ctrl          = saa7134_g_ctrl,
2500         .vidioc_s_ctrl          = saa7134_s_ctrl,
2501         .vidioc_g_frequency     = saa7134_g_frequency,
2502         .vidioc_s_frequency     = saa7134_s_frequency,
2503 };
2504
2505 /* ----------------------------------------------------------- */
2506 /* exported stuff                                              */
2507
2508 struct video_device saa7134_video_template = {
2509         .name                           = "saa7134-video",
2510         .fops                           = &video_fops,
2511         .ioctl_ops                      = &video_ioctl_ops,
2512         .tvnorms                        = SAA7134_NORMS,
2513         .current_norm                   = V4L2_STD_PAL,
2514 };
2515
2516 struct video_device saa7134_radio_template = {
2517         .name                   = "saa7134-radio",
2518         .fops                   = &radio_fops,
2519         .ioctl_ops              = &radio_ioctl_ops,
2520 };
2521
2522 int saa7134_video_init1(struct saa7134_dev *dev)
2523 {
2524         /* sanitycheck insmod options */
2525         if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2526                 gbuffers = 2;
2527         if (gbufsize > gbufsize_max)
2528                 gbufsize = gbufsize_max;
2529         gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2530
2531         /* put some sensible defaults into the data structures ... */
2532         dev->ctl_bright     = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2533         dev->ctl_contrast   = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2534         dev->ctl_hue        = ctrl_by_id(V4L2_CID_HUE)->default_value;
2535         dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2536         dev->ctl_volume     = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2537         dev->ctl_mute       = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2538         dev->ctl_invert     = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2539         dev->ctl_automute   = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2540
2541         if (dev->tda9887_conf && dev->ctl_automute)
2542                 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2543         dev->automute       = 0;
2544
2545         INIT_LIST_HEAD(&dev->video_q.queue);
2546         init_timer(&dev->video_q.timeout);
2547         dev->video_q.timeout.function = saa7134_buffer_timeout;
2548         dev->video_q.timeout.data     = (unsigned long)(&dev->video_q);
2549         dev->video_q.dev              = dev;
2550
2551         if (saa7134_boards[dev->board].video_out)
2552                 saa7134_videoport_init(dev);
2553
2554         return 0;
2555 }
2556
2557 int saa7134_videoport_init(struct saa7134_dev *dev)
2558 {
2559         /* enable video output */
2560         int vo = saa7134_boards[dev->board].video_out;
2561         int video_reg;
2562         unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2563
2564         /* Configure videoport */
2565         saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2566         video_reg = video_out[vo][1];
2567         if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2568                 video_reg &= ~VP_T_CODE_P_INVERTED;
2569         saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2570         saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2571         saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2572         video_reg = video_out[vo][5];
2573         if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2574                 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2575         if (vid_port_opts & SET_CLOCK_INVERTED)
2576                 video_reg |= VP_CLK_CTRL1_INVERTED;
2577         saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2578         video_reg = video_out[vo][6];
2579         if (vid_port_opts & SET_VSYNC_OFF) {
2580                 video_reg &= ~VP_VS_TYPE_MASK;
2581                 video_reg |= VP_VS_TYPE_OFF;
2582         }
2583         saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2584         saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2585         saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2586
2587         /* Start videoport */
2588         saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2589
2590         return 0;
2591 }
2592
2593 int saa7134_video_init2(struct saa7134_dev *dev)
2594 {
2595         /* init video hw */
2596         set_tvnorm(dev,&tvnorms[0]);
2597         video_mux(dev,0);
2598         saa7134_tvaudio_setmute(dev);
2599         saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2600         return 0;
2601 }
2602
2603 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2604 {
2605         static const char *st[] = {
2606                 "(no signal)", "NTSC", "PAL", "SECAM" };
2607         u32 st1,st2;
2608
2609         st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2610         st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2611         dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2612                 (st1 & 0x40) ? "not locked" : "locked",
2613                 (st2 & 0x40) ? "no"         : "yes",
2614                 st[st1 & 0x03]);
2615         dev->nosignal = (st1 & 0x40) || (st2 & 0x40)  || !(st2 & 0x1);
2616
2617         if (dev->nosignal) {
2618                 /* no video signal -> mute audio */
2619                 if (dev->ctl_automute)
2620                         dev->automute = 1;
2621                 saa7134_tvaudio_setmute(dev);
2622         } else {
2623                 /* wake up tvaudio audio carrier scan thread */
2624                 saa7134_tvaudio_do_scan(dev);
2625         }
2626
2627         if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2628                 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2629         else
2630                 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2631
2632         if (dev->mops && dev->mops->signal_change)
2633                 dev->mops->signal_change(dev);
2634 }
2635
2636
2637 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2638 {
2639         enum v4l2_field field;
2640
2641         spin_lock(&dev->slock);
2642         if (dev->video_q.curr) {
2643                 dev->video_fieldcount++;
2644                 field = dev->video_q.curr->vb.field;
2645                 if (V4L2_FIELD_HAS_BOTH(field)) {
2646                         /* make sure we have seen both fields */
2647                         if ((status & 0x10) == 0x00) {
2648                                 dev->video_q.curr->top_seen = 1;
2649                                 goto done;
2650                         }
2651                         if (!dev->video_q.curr->top_seen)
2652                                 goto done;
2653                 } else if (field == V4L2_FIELD_TOP) {
2654                         if ((status & 0x10) != 0x10)
2655                                 goto done;
2656                 } else if (field == V4L2_FIELD_BOTTOM) {
2657                         if ((status & 0x10) != 0x00)
2658                                 goto done;
2659                 }
2660                 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2661                 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2662         }
2663         saa7134_buffer_next(dev,&dev->video_q);
2664
2665  done:
2666         spin_unlock(&dev->slock);
2667 }
2668
2669 /* ----------------------------------------------------------- */
2670 /*
2671  * Local variables:
2672  * c-basic-offset: 8
2673  * End:
2674  */