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Linux v2.6.15-rc7
[pohmelfs.git] / drivers / media / video / saa7134 / saa7134-video.c
blob45c852df13ed56c24c2f0332314144a1ef05d3ff
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/moduleparam.h>
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
29
30 #include "saa7134-reg.h"
31 #include "saa7134.h"
32
33 /* Include V4L1 specific functions. Should be removed soon */
34 #include <linux/videodev.h>
35
36 /* ------------------------------------------------------------------ */
37
38 static unsigned int video_debug = 0;
39 static unsigned int gbuffers = 8;
40 static unsigned int noninterlaced = 0;
41 static unsigned int gbufsize = 720*576*4;
42 static unsigned int gbufsize_max = 720*576*4;
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,"video input is noninterlaced");
49
50 #define dprintk(fmt, arg...) if (video_debug) \
51 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
52
53 /* ------------------------------------------------------------------ */
54 /* Defines for Video Output Port Register at address 0x191 */
55
56 /* Bit 0: VIP code T bit polarity */
57
58 #define VP_T_CODE_P_NON_INVERTED 0x00
59 #define VP_T_CODE_P_INVERTED 0x01
60
61 /* ------------------------------------------------------------------ */
62 /* Defines for Video Output Port Register at address 0x195 */
63
64 /* Bit 2: Video output clock delay control */
65
66 #define VP_CLK_CTRL2_NOT_DELAYED 0x00
67 #define VP_CLK_CTRL2_DELAYED 0x04
68
69 /* Bit 1: Video output clock invert control */
70
71 #define VP_CLK_CTRL1_NON_INVERTED 0x00
72 #define VP_CLK_CTRL1_INVERTED 0x02
73
74 /* ------------------------------------------------------------------ */
75 /* Defines for Video Output Port Register at address 0x196 */
76
77 /* Bits 2 to 0: VSYNC pin video vertical sync type */
78
79 #define VP_VS_TYPE_MASK 0x07
80
81 #define VP_VS_TYPE_OFF 0x00
82 #define VP_VS_TYPE_V123 0x01
83 #define VP_VS_TYPE_V_ITU 0x02
84 #define VP_VS_TYPE_VGATE_L 0x03
85 #define VP_VS_TYPE_RESERVED1 0x04
86 #define VP_VS_TYPE_RESERVED2 0x05
87 #define VP_VS_TYPE_F_ITU 0x06
88 #define VP_VS_TYPE_SC_FID 0x07
89
90 /* ------------------------------------------------------------------ */
91 /* data structs for video */
92
93 static int video_out[][9] = {
94 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
95 };
96
97 static struct saa7134_format formats[] = {
98 {
99 .name = "8 bpp gray",
100 .fourcc = V4L2_PIX_FMT_GREY,
101 .depth = 8,
102 .pm = 0x06,
103 },{
104 .name = "15 bpp RGB, le",
105 .fourcc = V4L2_PIX_FMT_RGB555,
106 .depth = 16,
107 .pm = 0x13 | 0x80,
108 },{
109 .name = "15 bpp RGB, be",
110 .fourcc = V4L2_PIX_FMT_RGB555X,
111 .depth = 16,
112 .pm = 0x13 | 0x80,
113 .bswap = 1,
114 },{
115 .name = "16 bpp RGB, le",
116 .fourcc = V4L2_PIX_FMT_RGB565,
117 .depth = 16,
118 .pm = 0x10 | 0x80,
119 },{
120 .name = "16 bpp RGB, be",
121 .fourcc = V4L2_PIX_FMT_RGB565X,
122 .depth = 16,
123 .pm = 0x10 | 0x80,
124 .bswap = 1,
125 },{
126 .name = "24 bpp RGB, le",
127 .fourcc = V4L2_PIX_FMT_BGR24,
128 .depth = 24,
129 .pm = 0x11,
130 },{
131 .name = "24 bpp RGB, be",
132 .fourcc = V4L2_PIX_FMT_RGB24,
133 .depth = 24,
134 .pm = 0x11,
135 .bswap = 1,
136 },{
137 .name = "32 bpp RGB, le",
138 .fourcc = V4L2_PIX_FMT_BGR32,
139 .depth = 32,
140 .pm = 0x12,
141 },{
142 .name = "32 bpp RGB, be",
143 .fourcc = V4L2_PIX_FMT_RGB32,
144 .depth = 32,
145 .pm = 0x12,
146 .bswap = 1,
147 .wswap = 1,
148 },{
149 .name = "4:2:2 packed, YUYV",
150 .fourcc = V4L2_PIX_FMT_YUYV,
151 .depth = 16,
152 .pm = 0x00,
153 .bswap = 1,
154 .yuv = 1,
155 },{
156 .name = "4:2:2 packed, UYVY",
157 .fourcc = V4L2_PIX_FMT_UYVY,
158 .depth = 16,
159 .pm = 0x00,
160 .yuv = 1,
161 },{
162 .name = "4:2:2 planar, Y-Cb-Cr",
163 .fourcc = V4L2_PIX_FMT_YUV422P,
164 .depth = 16,
165 .pm = 0x09,
166 .yuv = 1,
167 .planar = 1,
168 .hshift = 1,
169 .vshift = 0,
170 },{
171 .name = "4:2:0 planar, Y-Cb-Cr",
172 .fourcc = V4L2_PIX_FMT_YUV420,
173 .depth = 12,
174 .pm = 0x0a,
175 .yuv = 1,
176 .planar = 1,
177 .hshift = 1,
178 .vshift = 1,
179 },{
180 .name = "4:2:0 planar, Y-Cb-Cr",
181 .fourcc = V4L2_PIX_FMT_YVU420,
182 .depth = 12,
183 .pm = 0x0a,
184 .yuv = 1,
185 .planar = 1,
186 .uvswap = 1,
187 .hshift = 1,
188 .vshift = 1,
189 }
190 };
191 #define FORMATS ARRAY_SIZE(formats)
192
193 #define NORM_625_50 \
194 .h_start = 0, \
195 .h_stop = 719, \
196 .video_v_start = 24, \
197 .video_v_stop = 311, \
198 .vbi_v_start_0 = 7, \
199 .vbi_v_stop_0 = 22, \
200 .vbi_v_start_1 = 319, \
201 .src_timing = 4
202
203 #define NORM_525_60 \
204 .h_start = 0, \
205 .h_stop = 703, \
206 .video_v_start = 23, \
207 .video_v_stop = 262, \
208 .vbi_v_start_0 = 10, \
209 .vbi_v_stop_0 = 21, \
210 .vbi_v_start_1 = 273, \
211 .src_timing = 7
212
213 static struct saa7134_tvnorm tvnorms[] = {
214 {
215 .name = "PAL", /* autodetect */
216 .id = V4L2_STD_PAL,
217 NORM_625_50,
218
219 .sync_control = 0x18,
220 .luma_control = 0x40,
221 .chroma_ctrl1 = 0x81,
222 .chroma_gain = 0x2a,
223 .chroma_ctrl2 = 0x06,
224 .vgate_misc = 0x1c,
225
226 },{
227 .name = "PAL-BG",
228 .id = V4L2_STD_PAL_BG,
229 NORM_625_50,
230
231 .sync_control = 0x18,
232 .luma_control = 0x40,
233 .chroma_ctrl1 = 0x81,
234 .chroma_gain = 0x2a,
235 .chroma_ctrl2 = 0x06,
236 .vgate_misc = 0x1c,
237
238 },{
239 .name = "PAL-I",
240 .id = V4L2_STD_PAL_I,
241 NORM_625_50,
242
243 .sync_control = 0x18,
244 .luma_control = 0x40,
245 .chroma_ctrl1 = 0x81,
246 .chroma_gain = 0x2a,
247 .chroma_ctrl2 = 0x06,
248 .vgate_misc = 0x1c,
249
250 },{
251 .name = "PAL-DK",
252 .id = V4L2_STD_PAL_DK,
253 NORM_625_50,
254
255 .sync_control = 0x18,
256 .luma_control = 0x40,
257 .chroma_ctrl1 = 0x81,
258 .chroma_gain = 0x2a,
259 .chroma_ctrl2 = 0x06,
260 .vgate_misc = 0x1c,
261
262 },{
263 .name = "NTSC",
264 .id = V4L2_STD_NTSC,
265 NORM_525_60,
266
267 .sync_control = 0x59,
268 .luma_control = 0x40,
269 .chroma_ctrl1 = 0x89,
270 .chroma_gain = 0x2a,
271 .chroma_ctrl2 = 0x0e,
272 .vgate_misc = 0x18,
273
274 },{
275 .name = "SECAM",
276 .id = V4L2_STD_SECAM,
277 NORM_625_50,
278
279 .sync_control = 0x18, /* old: 0x58, */
280 .luma_control = 0x1b,
281 .chroma_ctrl1 = 0xd1,
282 .chroma_gain = 0x80,
283 .chroma_ctrl2 = 0x00,
284 .vgate_misc = 0x1c,
285
286 },{
287 .name = "PAL-M",
288 .id = V4L2_STD_PAL_M,
289 NORM_525_60,
290
291 .sync_control = 0x59,
292 .luma_control = 0x40,
293 .chroma_ctrl1 = 0xb9,
294 .chroma_gain = 0x2a,
295 .chroma_ctrl2 = 0x0e,
296 .vgate_misc = 0x18,
297
298 },{
299 .name = "PAL-Nc",
300 .id = V4L2_STD_PAL_Nc,
301 NORM_625_50,
302
303 .sync_control = 0x18,
304 .luma_control = 0x40,
305 .chroma_ctrl1 = 0xa1,
306 .chroma_gain = 0x2a,
307 .chroma_ctrl2 = 0x06,
308 .vgate_misc = 0x1c,
309
310 },{
311 .name = "PAL-60",
312 .id = V4L2_STD_PAL_60,
313
314 .h_start = 0,
315 .h_stop = 719,
316 .video_v_start = 23,
317 .video_v_stop = 262,
318 .vbi_v_start_0 = 10,
319 .vbi_v_stop_0 = 21,
320 .vbi_v_start_1 = 273,
321 .src_timing = 7,
322
323 .sync_control = 0x18,
324 .luma_control = 0x40,
325 .chroma_ctrl1 = 0x81,
326 .chroma_gain = 0x2a,
327 .chroma_ctrl2 = 0x06,
328 .vgate_misc = 0x1c,
329 }
330 };
331 #define TVNORMS ARRAY_SIZE(tvnorms)
332
333 #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
334 #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
335 #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
336 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
337 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
338
339 static const struct v4l2_queryctrl no_ctrl = {
340 .name = "42",
341 .flags = V4L2_CTRL_FLAG_DISABLED,
342 };
343 static const struct v4l2_queryctrl video_ctrls[] = {
344 /* --- video --- */
345 {
346 .id = V4L2_CID_BRIGHTNESS,
347 .name = "Brightness",
348 .minimum = 0,
349 .maximum = 255,
350 .step = 1,
351 .default_value = 128,
352 .type = V4L2_CTRL_TYPE_INTEGER,
353 },{
354 .id = V4L2_CID_CONTRAST,
355 .name = "Contrast",
356 .minimum = 0,
357 .maximum = 127,
358 .step = 1,
359 .default_value = 68,
360 .type = V4L2_CTRL_TYPE_INTEGER,
361 },{
362 .id = V4L2_CID_SATURATION,
363 .name = "Saturation",
364 .minimum = 0,
365 .maximum = 127,
366 .step = 1,
367 .default_value = 64,
368 .type = V4L2_CTRL_TYPE_INTEGER,
369 },{
370 .id = V4L2_CID_HUE,
371 .name = "Hue",
372 .minimum = -128,
373 .maximum = 127,
374 .step = 1,
375 .default_value = 0,
376 .type = V4L2_CTRL_TYPE_INTEGER,
377 },{
378 .id = V4L2_CID_HFLIP,
379 .name = "Mirror",
380 .minimum = 0,
381 .maximum = 1,
382 .type = V4L2_CTRL_TYPE_BOOLEAN,
383 },
384 /* --- audio --- */
385 {
386 .id = V4L2_CID_AUDIO_MUTE,
387 .name = "Mute",
388 .minimum = 0,
389 .maximum = 1,
390 .type = V4L2_CTRL_TYPE_BOOLEAN,
391 },{
392 .id = V4L2_CID_AUDIO_VOLUME,
393 .name = "Volume",
394 .minimum = -15,
395 .maximum = 15,
396 .step = 1,
397 .default_value = 0,
398 .type = V4L2_CTRL_TYPE_INTEGER,
399 },
400 /* --- private --- */
401 {
402 .id = V4L2_CID_PRIVATE_INVERT,
403 .name = "Invert",
404 .minimum = 0,
405 .maximum = 1,
406 .type = V4L2_CTRL_TYPE_BOOLEAN,
407 },{
408 .id = V4L2_CID_PRIVATE_Y_ODD,
409 .name = "y offset odd field",
410 .minimum = 0,
411 .maximum = 128,
412 .default_value = 0,
413 .type = V4L2_CTRL_TYPE_INTEGER,
414 },{
415 .id = V4L2_CID_PRIVATE_Y_EVEN,
416 .name = "y offset even field",
417 .minimum = 0,
418 .maximum = 128,
419 .default_value = 0,
420 .type = V4L2_CTRL_TYPE_INTEGER,
421 },{
422 .id = V4L2_CID_PRIVATE_AUTOMUTE,
423 .name = "automute",
424 .minimum = 0,
425 .maximum = 1,
426 .default_value = 1,
427 .type = V4L2_CTRL_TYPE_BOOLEAN,
428 }
429 };
430 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
431
432 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
433 {
434 unsigned int i;
435
436 for (i = 0; i < CTRLS; i++)
437 if (video_ctrls[i].id == id)
438 return video_ctrls+i;
439 return NULL;
440 }
441
442 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
443 {
444 unsigned int i;
445
446 for (i = 0; i < FORMATS; i++)
447 if (formats[i].fourcc == fourcc)
448 return formats+i;
449 return NULL;
450 }
451
452 /* ----------------------------------------------------------------------- */
453 /* resource management */
454
455 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
456 {
457 if (fh->resources & bit)
458 /* have it already allocated */
459 return 1;
460
461 /* is it free? */
462 down(&dev->lock);
463 if (dev->resources & bit) {
464 /* no, someone else uses it */
465 up(&dev->lock);
466 return 0;
467 }
468 /* it's free, grab it */
469 fh->resources |= bit;
470 dev->resources |= bit;
471 dprintk("res: get %d\n",bit);
472 up(&dev->lock);
473 return 1;
474 }
475
476 static
477 int res_check(struct saa7134_fh *fh, unsigned int bit)
478 {
479 return (fh->resources & bit);
480 }
481
482 static
483 int res_locked(struct saa7134_dev *dev, unsigned int bit)
484 {
485 return (dev->resources & bit);
486 }
487
488 static
489 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
490 {
491 if ((fh->resources & bits) != bits)
492 BUG();
493
494 down(&dev->lock);
495 fh->resources &= ~bits;
496 dev->resources &= ~bits;
497 dprintk("res: put %d\n",bits);
498 up(&dev->lock);
499 }
500
501 /* ------------------------------------------------------------------ */
502
503 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
504 {
505 int luma_control,sync_control,mux;
506
507 dprintk("set tv norm = %s\n",norm->name);
508 dev->tvnorm = norm;
509
510 mux = card_in(dev,dev->ctl_input).vmux;
511 luma_control = norm->luma_control;
512 sync_control = norm->sync_control;
513
514 if (mux > 5)
515 luma_control |= 0x80; /* svideo */
516 if (noninterlaced || dev->nosignal)
517 sync_control |= 0x20;
518
519 /* setup cropping */
520 dev->crop_bounds.left = norm->h_start;
521 dev->crop_defrect.left = norm->h_start;
522 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
523 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
524
525 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
526 dev->crop_defrect.top = norm->video_v_start*2;
527 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
528 - dev->crop_bounds.top;
529 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
530
531 dev->crop_current = dev->crop_defrect;
532
533 /* setup video decoder */
534 saa_writeb(SAA7134_INCR_DELAY, 0x08);
535 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
536 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
537
538 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
539 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
540 saa_writeb(SAA7134_HSYNC_START, 0xeb);
541 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
542 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
543
544 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
545 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
546 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
547 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, dev->ctl_contrast);
548
549 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
550 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
551 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
552 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
553
554 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
555 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
556
557 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
558 saa_writeb(SAA7134_VGATE_START, 0x11);
559 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
560 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
561 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
562 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
563
564 saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
565 }
566
567 static void video_mux(struct saa7134_dev *dev, int input)
568 {
569 dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
570 dev->ctl_input = input;
571 set_tvnorm(dev,dev->tvnorm);
572 saa7134_tvaudio_setinput(dev,&card_in(dev,input));
573 }
574
575 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
576 {
577 static const struct {
578 int xpsc;
579 int xacl;
580 int xc2_1;
581 int xdcg;
582 int vpfy;
583 } vals[] = {
584 /* XPSC XACL XC2_1 XDCG VPFY */
585 { 1, 0, 0, 0, 0 },
586 { 2, 2, 1, 2, 2 },
587 { 3, 4, 1, 3, 2 },
588 { 4, 8, 1, 4, 2 },
589 { 5, 8, 1, 4, 2 },
590 { 6, 8, 1, 4, 3 },
591 { 7, 8, 1, 4, 3 },
592 { 8, 15, 0, 4, 3 },
593 { 9, 15, 0, 4, 3 },
594 { 10, 16, 1, 5, 3 },
595 };
596 static const int count = ARRAY_SIZE(vals);
597 int i;
598
599 for (i = 0; i < count; i++)
600 if (vals[i].xpsc == prescale)
601 break;
602 if (i == count)
603 return;
604
605 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
606 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
607 saa_writeb(SAA7134_LEVEL_CTRL(task),
608 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
609 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
610 (vals[i].vpfy << 2) | vals[i].vpfy);
611 }
612
613 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
614 {
615 int val,mirror;
616
617 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
618 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
619
620 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
621 if (yscale < 2048) {
622 /* LPI */
623 dprintk("yscale LPI yscale=%d\n",yscale);
624 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
625 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
626 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
627 } else {
628 /* ACM */
629 val = 0x40 * 1024 / yscale;
630 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
631 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
632 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
633 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
634 }
635 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
636 }
637
638 static void set_size(struct saa7134_dev *dev, int task,
639 int width, int height, int interlace)
640 {
641 int prescale,xscale,yscale,y_even,y_odd;
642 int h_start, h_stop, v_start, v_stop;
643 int div = interlace ? 2 : 1;
644
645 /* setup video scaler */
646 h_start = dev->crop_current.left;
647 v_start = dev->crop_current.top/2;
648 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
649 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
650
651 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
652 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
653 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
654 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
655 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
656 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
657 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
658 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
659
660 prescale = dev->crop_current.width / width;
661 if (0 == prescale)
662 prescale = 1;
663 xscale = 1024 * dev->crop_current.width / prescale / width;
664 yscale = 512 * div * dev->crop_current.height / height;
665 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
666 set_h_prescale(dev,task,prescale);
667 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
668 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
669 set_v_scale(dev,task,yscale);
670
671 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
672 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
673 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
674 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
675
676 /* deinterlace y offsets */
677 y_odd = dev->ctl_y_odd;
678 y_even = dev->ctl_y_even;
679 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
680 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
681 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
682 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
683 }
684
685 /* ------------------------------------------------------------------ */
686
687 struct cliplist {
688 __u16 position;
689 __u8 enable;
690 __u8 disable;
691 };
692
693 static void sort_cliplist(struct cliplist *cl, int entries)
694 {
695 struct cliplist swap;
696 int i,j,n;
697
698 for (i = entries-2; i >= 0; i--) {
699 for (n = 0, j = 0; j <= i; j++) {
700 if (cl[j].position > cl[j+1].position) {
701 swap = cl[j];
702 cl[j] = cl[j+1];
703 cl[j+1] = swap;
704 n++;
705 }
706 }
707 if (0 == n)
708 break;
709 }
710 }
711
712 static void set_cliplist(struct saa7134_dev *dev, int reg,
713 struct cliplist *cl, int entries, char *name)
714 {
715 __u8 winbits = 0;
716 int i;
717
718 for (i = 0; i < entries; i++) {
719 winbits |= cl[i].enable;
720 winbits &= ~cl[i].disable;
721 if (i < 15 && cl[i].position == cl[i+1].position)
722 continue;
723 saa_writeb(reg + 0, winbits);
724 saa_writeb(reg + 2, cl[i].position & 0xff);
725 saa_writeb(reg + 3, cl[i].position >> 8);
726 dprintk("clip: %s winbits=%02x pos=%d\n",
727 name,winbits,cl[i].position);
728 reg += 8;
729 }
730 for (; reg < 0x400; reg += 8) {
731 saa_writeb(reg+ 0, 0);
732 saa_writeb(reg + 1, 0);
733 saa_writeb(reg + 2, 0);
734 saa_writeb(reg + 3, 0);
735 }
736 }
737
738 static int clip_range(int val)
739 {
740 if (val < 0)
741 val = 0;
742 return val;
743 }
744
745 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
746 int nclips, int interlace)
747 {
748 struct cliplist col[16], row[16];
749 int cols, rows, i;
750 int div = interlace ? 2 : 1;
751
752 memset(col,0,sizeof(col)); cols = 0;
753 memset(row,0,sizeof(row)); rows = 0;
754 for (i = 0; i < nclips && i < 8; i++) {
755 col[cols].position = clip_range(clips[i].c.left);
756 col[cols].enable = (1 << i);
757 cols++;
758 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
759 col[cols].disable = (1 << i);
760 cols++;
761 row[rows].position = clip_range(clips[i].c.top / div);
762 row[rows].enable = (1 << i);
763 rows++;
764 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
765 / div);
766 row[rows].disable = (1 << i);
767 rows++;
768 }
769 sort_cliplist(col,cols);
770 sort_cliplist(row,rows);
771 set_cliplist(dev,0x380,col,cols,"cols");
772 set_cliplist(dev,0x384,row,rows,"rows");
773 return 0;
774 }
775
776 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
777 {
778 enum v4l2_field field;
779 int maxw, maxh;
780
781 if (NULL == dev->ovbuf.base)
782 return -EINVAL;
783 if (NULL == dev->ovfmt)
784 return -EINVAL;
785 if (win->w.width < 48 || win->w.height < 32)
786 return -EINVAL;
787 if (win->clipcount > 2048)
788 return -EINVAL;
789
790 field = win->field;
791 maxw = dev->crop_current.width;
792 maxh = dev->crop_current.height;
793
794 if (V4L2_FIELD_ANY == field) {
795 field = (win->w.height > maxh/2)
796 ? V4L2_FIELD_INTERLACED
797 : V4L2_FIELD_TOP;
798 }
799 switch (field) {
800 case V4L2_FIELD_TOP:
801 case V4L2_FIELD_BOTTOM:
802 maxh = maxh / 2;
803 break;
804 case V4L2_FIELD_INTERLACED:
805 break;
806 default:
807 return -EINVAL;
808 }
809
810 win->field = field;
811 if (win->w.width > maxw)
812 win->w.width = maxw;
813 if (win->w.height > maxh)
814 win->w.height = maxh;
815 return 0;
816 }
817
818 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
819 {
820 unsigned long base,control,bpl;
821 int err;
822
823 err = verify_preview(dev,&fh->win);
824 if (0 != err)
825 return err;
826
827 dev->ovfield = fh->win.field;
828 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
829 fh->win.w.width,fh->win.w.height,
830 fh->win.w.left,fh->win.w.top,
831 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
832
833 /* setup window + clipping */
834 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
835 V4L2_FIELD_HAS_BOTH(dev->ovfield));
836 setup_clipping(dev,fh->clips,fh->nclips,
837 V4L2_FIELD_HAS_BOTH(dev->ovfield));
838 if (dev->ovfmt->yuv)
839 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
840 else
841 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
842 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
843
844 /* dma: setup channel 1 (= Video Task B) */
845 base = (unsigned long)dev->ovbuf.base;
846 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
847 base += dev->ovfmt->depth/8 * fh->win.w.left;
848 bpl = dev->ovbuf.fmt.bytesperline;
849 control = SAA7134_RS_CONTROL_BURST_16;
850 if (dev->ovfmt->bswap)
851 control |= SAA7134_RS_CONTROL_BSWAP;
852 if (dev->ovfmt->wswap)
853 control |= SAA7134_RS_CONTROL_WSWAP;
854 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
855 saa_writel(SAA7134_RS_BA1(1),base);
856 saa_writel(SAA7134_RS_BA2(1),base+bpl);
857 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
858 saa_writel(SAA7134_RS_CONTROL(1),control);
859 } else {
860 saa_writel(SAA7134_RS_BA1(1),base);
861 saa_writel(SAA7134_RS_BA2(1),base);
862 saa_writel(SAA7134_RS_PITCH(1),bpl);
863 saa_writel(SAA7134_RS_CONTROL(1),control);
864 }
865
866 /* start dma */
867 dev->ovenable = 1;
868 saa7134_set_dmabits(dev);
869
870 return 0;
871 }
872
873 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
874 {
875 dev->ovenable = 0;
876 saa7134_set_dmabits(dev);
877 return 0;
878 }
879
880 /* ------------------------------------------------------------------ */
881
882 static int buffer_activate(struct saa7134_dev *dev,
883 struct saa7134_buf *buf,
884 struct saa7134_buf *next)
885 {
886 unsigned long base,control,bpl;
887 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
888
889 dprintk("buffer_activate buf=%p\n",buf);
890 buf->vb.state = STATE_ACTIVE;
891 buf->top_seen = 0;
892
893 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
894 V4L2_FIELD_HAS_BOTH(buf->vb.field));
895 if (buf->fmt->yuv)
896 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
897 else
898 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
899 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
900
901 /* DMA: setup channel 0 (= Video Task A0) */
902 base = saa7134_buffer_base(buf);
903 if (buf->fmt->planar)
904 bpl = buf->vb.width;
905 else
906 bpl = (buf->vb.width * buf->fmt->depth) / 8;
907 control = SAA7134_RS_CONTROL_BURST_16 |
908 SAA7134_RS_CONTROL_ME |
909 (buf->pt->dma >> 12);
910 if (buf->fmt->bswap)
911 control |= SAA7134_RS_CONTROL_BSWAP;
912 if (buf->fmt->wswap)
913 control |= SAA7134_RS_CONTROL_WSWAP;
914 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
915 /* interlaced */
916 saa_writel(SAA7134_RS_BA1(0),base);
917 saa_writel(SAA7134_RS_BA2(0),base+bpl);
918 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
919 } else {
920 /* non-interlaced */
921 saa_writel(SAA7134_RS_BA1(0),base);
922 saa_writel(SAA7134_RS_BA2(0),base);
923 saa_writel(SAA7134_RS_PITCH(0),bpl);
924 }
925 saa_writel(SAA7134_RS_CONTROL(0),control);
926
927 if (buf->fmt->planar) {
928 /* DMA: setup channel 4+5 (= planar task A) */
929 bpl_uv = bpl >> buf->fmt->hshift;
930 lines_uv = buf->vb.height >> buf->fmt->vshift;
931 base2 = base + bpl * buf->vb.height;
932 base3 = base2 + bpl_uv * lines_uv;
933 if (buf->fmt->uvswap)
934 tmp = base2, base2 = base3, base3 = tmp;
935 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
936 bpl_uv,lines_uv,base2,base3);
937 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
938 /* interlaced */
939 saa_writel(SAA7134_RS_BA1(4),base2);
940 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
941 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
942 saa_writel(SAA7134_RS_BA1(5),base3);
943 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
944 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
945 } else {
946 /* non-interlaced */
947 saa_writel(SAA7134_RS_BA1(4),base2);
948 saa_writel(SAA7134_RS_BA2(4),base2);
949 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
950 saa_writel(SAA7134_RS_BA1(5),base3);
951 saa_writel(SAA7134_RS_BA2(5),base3);
952 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
953 }
954 saa_writel(SAA7134_RS_CONTROL(4),control);
955 saa_writel(SAA7134_RS_CONTROL(5),control);
956 }
957
958 /* start DMA */
959 saa7134_set_dmabits(dev);
960 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
961 return 0;
962 }
963
964 static int buffer_prepare(struct videobuf_queue *q,
965 struct videobuf_buffer *vb,
966 enum v4l2_field field)
967 {
968 struct saa7134_fh *fh = q->priv_data;
969 struct saa7134_dev *dev = fh->dev;
970 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
971 unsigned int size;
972 int err;
973
974 /* sanity checks */
975 if (NULL == fh->fmt)
976 return -EINVAL;
977 if (fh->width < 48 ||
978 fh->height < 32 ||
979 fh->width/4 > dev->crop_current.width ||
980 fh->height/4 > dev->crop_current.height ||
981 fh->width > dev->crop_bounds.width ||
982 fh->height > dev->crop_bounds.height)
983 return -EINVAL;
984 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
985 if (0 != buf->vb.baddr && buf->vb.bsize < size)
986 return -EINVAL;
987
988 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
989 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
990 fh->fmt->name);
991 if (buf->vb.width != fh->width ||
992 buf->vb.height != fh->height ||
993 buf->vb.size != size ||
994 buf->vb.field != field ||
995 buf->fmt != fh->fmt) {
996 saa7134_dma_free(dev,buf);
997 }
998
999 if (STATE_NEEDS_INIT == buf->vb.state) {
1000 buf->vb.width = fh->width;
1001 buf->vb.height = fh->height;
1002 buf->vb.size = size;
1003 buf->vb.field = field;
1004 buf->fmt = fh->fmt;
1005 buf->pt = &fh->pt_cap;
1006
1007 err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf);
1008 if (err)
1009 goto oops;
1010 err = saa7134_pgtable_build(dev->pci,buf->pt,
1011 buf->vb.dma.sglist,
1012 buf->vb.dma.sglen,
1013 saa7134_buffer_startpage(buf));
1014 if (err)
1015 goto oops;
1016 }
1017 buf->vb.state = STATE_PREPARED;
1018 buf->activate = buffer_activate;
1019 return 0;
1020
1021 oops:
1022 saa7134_dma_free(dev,buf);
1023 return err;
1024 }
1025
1026 static int
1027 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1028 {
1029 struct saa7134_fh *fh = q->priv_data;
1030
1031 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1032 if (0 == *count)
1033 *count = gbuffers;
1034 *count = saa7134_buffer_count(*size,*count);
1035 return 0;
1036 }
1037
1038 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1039 {
1040 struct saa7134_fh *fh = q->priv_data;
1041 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1042
1043 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1044 }
1045
1046 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1047 {
1048 struct saa7134_fh *fh = q->priv_data;
1049 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1050
1051 saa7134_dma_free(fh->dev,buf);
1052 }
1053
1054 static struct videobuf_queue_ops video_qops = {
1055 .buf_setup = buffer_setup,
1056 .buf_prepare = buffer_prepare,
1057 .buf_queue = buffer_queue,
1058 .buf_release = buffer_release,
1059 };
1060
1061 /* ------------------------------------------------------------------ */
1062
1063 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1064 {
1065 const struct v4l2_queryctrl* ctrl;
1066
1067 ctrl = ctrl_by_id(c->id);
1068 if (NULL == ctrl)
1069 return -EINVAL;
1070 switch (c->id) {
1071 case V4L2_CID_BRIGHTNESS:
1072 c->value = dev->ctl_bright;
1073 break;
1074 case V4L2_CID_HUE:
1075 c->value = dev->ctl_hue;
1076 break;
1077 case V4L2_CID_CONTRAST:
1078 c->value = dev->ctl_contrast;
1079 break;
1080 case V4L2_CID_SATURATION:
1081 c->value = dev->ctl_saturation;
1082 break;
1083 case V4L2_CID_AUDIO_MUTE:
1084 c->value = dev->ctl_mute;
1085 break;
1086 case V4L2_CID_AUDIO_VOLUME:
1087 c->value = dev->ctl_volume;
1088 break;
1089 case V4L2_CID_PRIVATE_INVERT:
1090 c->value = dev->ctl_invert;
1091 break;
1092 case V4L2_CID_HFLIP:
1093 c->value = dev->ctl_mirror;
1094 break;
1095 case V4L2_CID_PRIVATE_Y_EVEN:
1096 c->value = dev->ctl_y_even;
1097 break;
1098 case V4L2_CID_PRIVATE_Y_ODD:
1099 c->value = dev->ctl_y_odd;
1100 break;
1101 case V4L2_CID_PRIVATE_AUTOMUTE:
1102 c->value = dev->ctl_automute;
1103 break;
1104 default:
1105 return -EINVAL;
1106 }
1107 return 0;
1108 }
1109
1110 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1111 struct v4l2_control *c)
1112 {
1113 const struct v4l2_queryctrl* ctrl;
1114 unsigned long flags;
1115 int restart_overlay = 0;
1116
1117 ctrl = ctrl_by_id(c->id);
1118 if (NULL == ctrl)
1119 return -EINVAL;
1120 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1121 switch (ctrl->type) {
1122 case V4L2_CTRL_TYPE_BOOLEAN:
1123 case V4L2_CTRL_TYPE_MENU:
1124 case V4L2_CTRL_TYPE_INTEGER:
1125 if (c->value < ctrl->minimum)
1126 c->value = ctrl->minimum;
1127 if (c->value > ctrl->maximum)
1128 c->value = ctrl->maximum;
1129 break;
1130 default:
1131 /* nothing */;
1132 };
1133 switch (c->id) {
1134 case V4L2_CID_BRIGHTNESS:
1135 dev->ctl_bright = c->value;
1136 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1137 break;
1138 case V4L2_CID_HUE:
1139 dev->ctl_hue = c->value;
1140 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1141 break;
1142 case V4L2_CID_CONTRAST:
1143 dev->ctl_contrast = c->value;
1144 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1145 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1146 break;
1147 case V4L2_CID_SATURATION:
1148 dev->ctl_saturation = c->value;
1149 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1150 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1151 break;
1152 case V4L2_CID_AUDIO_MUTE:
1153 dev->ctl_mute = c->value;
1154 saa7134_tvaudio_setmute(dev);
1155 break;
1156 case V4L2_CID_AUDIO_VOLUME:
1157 dev->ctl_volume = c->value;
1158 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1159 break;
1160 case V4L2_CID_PRIVATE_INVERT:
1161 dev->ctl_invert = c->value;
1162 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1163 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1164 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1165 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1166 break;
1167 case V4L2_CID_HFLIP:
1168 dev->ctl_mirror = c->value;
1169 restart_overlay = 1;
1170 break;
1171 case V4L2_CID_PRIVATE_Y_EVEN:
1172 dev->ctl_y_even = c->value;
1173 restart_overlay = 1;
1174 break;
1175 case V4L2_CID_PRIVATE_Y_ODD:
1176 dev->ctl_y_odd = c->value;
1177 restart_overlay = 1;
1178 break;
1179 case V4L2_CID_PRIVATE_AUTOMUTE:
1180 dev->ctl_automute = c->value;
1181 if (dev->tda9887_conf) {
1182 if (dev->ctl_automute)
1183 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1184 else
1185 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1186 saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1187 &dev->tda9887_conf);
1188 }
1189 break;
1190 default:
1191 return -EINVAL;
1192 }
1193 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1194 spin_lock_irqsave(&dev->slock,flags);
1195 stop_preview(dev,fh);
1196 start_preview(dev,fh);
1197 spin_unlock_irqrestore(&dev->slock,flags);
1198 }
1199 return 0;
1200 }
1201
1202 /* ------------------------------------------------------------------ */
1203
1204 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1205 {
1206 struct videobuf_queue* q = NULL;
1207
1208 switch (fh->type) {
1209 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1210 q = &fh->cap;
1211 break;
1212 case V4L2_BUF_TYPE_VBI_CAPTURE:
1213 q = &fh->vbi;
1214 break;
1215 default:
1216 BUG();
1217 }
1218 return q;
1219 }
1220
1221 static int saa7134_resource(struct saa7134_fh *fh)
1222 {
1223 int res = 0;
1224
1225 switch (fh->type) {
1226 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1227 res = RESOURCE_VIDEO;
1228 break;
1229 case V4L2_BUF_TYPE_VBI_CAPTURE:
1230 res = RESOURCE_VBI;
1231 break;
1232 default:
1233 BUG();
1234 }
1235 return res;
1236 }
1237
1238 static int video_open(struct inode *inode, struct file *file)
1239 {
1240 int minor = iminor(inode);
1241 struct saa7134_dev *h,*dev = NULL;
1242 struct saa7134_fh *fh;
1243 struct list_head *list;
1244 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1245 int radio = 0;
1246 list_for_each(list,&saa7134_devlist) {
1247 h = list_entry(list, struct saa7134_dev, devlist);
1248 if (h->video_dev && (h->video_dev->minor == minor))
1249 dev = h;
1250 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1251 radio = 1;
1252 dev = h;
1253 }
1254 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1255 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1256 dev = h;
1257 }
1258 }
1259 if (NULL == dev)
1260 return -ENODEV;
1261
1262 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1263 v4l2_type_names[type]);
1264
1265 /* allocate + initialize per filehandle data */
1266 fh = kmalloc(sizeof(*fh),GFP_KERNEL);
1267 if (NULL == fh)
1268 return -ENOMEM;
1269 memset(fh,0,sizeof(*fh));
1270 file->private_data = fh;
1271 fh->dev = dev;
1272 fh->radio = radio;
1273 fh->type = type;
1274 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1275 fh->width = 720;
1276 fh->height = 576;
1277 v4l2_prio_open(&dev->prio,&fh->prio);
1278
1279 videobuf_queue_init(&fh->cap, &video_qops,
1280 dev->pci, &dev->slock,
1281 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1282 V4L2_FIELD_INTERLACED,
1283 sizeof(struct saa7134_buf),
1284 fh);
1285 videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1286 dev->pci, &dev->slock,
1287 V4L2_BUF_TYPE_VBI_CAPTURE,
1288 V4L2_FIELD_SEQ_TB,
1289 sizeof(struct saa7134_buf),
1290 fh);
1291 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1292 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1293
1294 if (fh->radio) {
1295 /* switch to radio mode */
1296 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1297 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1298 } else {
1299 /* switch to video/vbi mode */
1300 video_mux(dev,dev->ctl_input);
1301 }
1302 return 0;
1303 }
1304
1305 static ssize_t
1306 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1307 {
1308 struct saa7134_fh *fh = file->private_data;
1309
1310 switch (fh->type) {
1311 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1312 if (res_locked(fh->dev,RESOURCE_VIDEO))
1313 return -EBUSY;
1314 return videobuf_read_one(saa7134_queue(fh),
1315 data, count, ppos,
1316 file->f_flags & O_NONBLOCK);
1317 case V4L2_BUF_TYPE_VBI_CAPTURE:
1318 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1319 return -EBUSY;
1320 return videobuf_read_stream(saa7134_queue(fh),
1321 data, count, ppos, 1,
1322 file->f_flags & O_NONBLOCK);
1323 break;
1324 default:
1325 BUG();
1326 return 0;
1327 }
1328 }
1329
1330 static unsigned int
1331 video_poll(struct file *file, struct poll_table_struct *wait)
1332 {
1333 struct saa7134_fh *fh = file->private_data;
1334 struct videobuf_buffer *buf = NULL;
1335
1336 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1337 return videobuf_poll_stream(file, &fh->vbi, wait);
1338
1339 if (res_check(fh,RESOURCE_VIDEO)) {
1340 if (!list_empty(&fh->cap.stream))
1341 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1342 } else {
1343 down(&fh->cap.lock);
1344 if (UNSET == fh->cap.read_off) {
1345 /* need to capture a new frame */
1346 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1347 up(&fh->cap.lock);
1348 return POLLERR;
1349 }
1350 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1351 up(&fh->cap.lock);
1352 return POLLERR;
1353 }
1354 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1355 fh->cap.read_off = 0;
1356 }
1357 up(&fh->cap.lock);
1358 buf = fh->cap.read_buf;
1359 }
1360
1361 if (!buf)
1362 return POLLERR;
1363
1364 poll_wait(file, &buf->done, wait);
1365 if (buf->state == STATE_DONE ||
1366 buf->state == STATE_ERROR)
1367 return POLLIN|POLLRDNORM;
1368 return 0;
1369 }
1370
1371 static int video_release(struct inode *inode, struct file *file)
1372 {
1373 struct saa7134_fh *fh = file->private_data;
1374 struct saa7134_dev *dev = fh->dev;
1375 unsigned long flags;
1376
1377 /* turn off overlay */
1378 if (res_check(fh, RESOURCE_OVERLAY)) {
1379 spin_lock_irqsave(&dev->slock,flags);
1380 stop_preview(dev,fh);
1381 spin_unlock_irqrestore(&dev->slock,flags);
1382 res_free(dev,fh,RESOURCE_OVERLAY);
1383 }
1384
1385 /* stop video capture */
1386 if (res_check(fh, RESOURCE_VIDEO)) {
1387 videobuf_streamoff(&fh->cap);
1388 res_free(dev,fh,RESOURCE_VIDEO);
1389 }
1390 if (fh->cap.read_buf) {
1391 buffer_release(&fh->cap,fh->cap.read_buf);
1392 kfree(fh->cap.read_buf);
1393 }
1394
1395 /* stop vbi capture */
1396 if (res_check(fh, RESOURCE_VBI)) {
1397 if (fh->vbi.streaming)
1398 videobuf_streamoff(&fh->vbi);
1399 if (fh->vbi.reading)
1400 videobuf_read_stop(&fh->vbi);
1401 res_free(dev,fh,RESOURCE_VBI);
1402 }
1403
1404 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1405 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1406 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1407 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1408 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1409
1410 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1411
1412 /* free stuff */
1413 videobuf_mmap_free(&fh->cap);
1414 videobuf_mmap_free(&fh->vbi);
1415 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1416 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1417
1418 v4l2_prio_close(&dev->prio,&fh->prio);
1419 file->private_data = NULL;
1420 kfree(fh);
1421 return 0;
1422 }
1423
1424 static int
1425 video_mmap(struct file *file, struct vm_area_struct * vma)
1426 {
1427 struct saa7134_fh *fh = file->private_data;
1428
1429 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1430 }
1431
1432 /* ------------------------------------------------------------------ */
1433
1434 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1435 {
1436 struct saa7134_tvnorm *norm = dev->tvnorm;
1437
1438 f->fmt.vbi.sampling_rate = 6750000 * 4;
1439 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1440 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1441 f->fmt.vbi.offset = 64 * 4;
1442 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1443 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1444 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1445 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1446 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1447
1448 }
1449
1450 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1451 struct v4l2_format *f)
1452 {
1453 switch (f->type) {
1454 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1455 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1456 f->fmt.pix.width = fh->width;
1457 f->fmt.pix.height = fh->height;
1458 f->fmt.pix.field = fh->cap.field;
1459 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1460 f->fmt.pix.bytesperline =
1461 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1462 f->fmt.pix.sizeimage =
1463 f->fmt.pix.height * f->fmt.pix.bytesperline;
1464 return 0;
1465 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1466 f->fmt.win = fh->win;
1467 return 0;
1468 case V4L2_BUF_TYPE_VBI_CAPTURE:
1469 saa7134_vbi_fmt(dev,f);
1470 return 0;
1471 default:
1472 return -EINVAL;
1473 }
1474 }
1475
1476 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1477 struct v4l2_format *f)
1478 {
1479 int err;
1480
1481 switch (f->type) {
1482 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1483 {
1484 struct saa7134_format *fmt;
1485 enum v4l2_field field;
1486 unsigned int maxw, maxh;
1487
1488 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1489 if (NULL == fmt)
1490 return -EINVAL;
1491
1492 field = f->fmt.pix.field;
1493 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1494 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1495
1496 if (V4L2_FIELD_ANY == field) {
1497 field = (f->fmt.pix.height > maxh/2)
1498 ? V4L2_FIELD_INTERLACED
1499 : V4L2_FIELD_BOTTOM;
1500 }
1501 switch (field) {
1502 case V4L2_FIELD_TOP:
1503 case V4L2_FIELD_BOTTOM:
1504 maxh = maxh / 2;
1505 break;
1506 case V4L2_FIELD_INTERLACED:
1507 break;
1508 default:
1509 return -EINVAL;
1510 }
1511
1512 f->fmt.pix.field = field;
1513 if (f->fmt.pix.width < 48)
1514 f->fmt.pix.width = 48;
1515 if (f->fmt.pix.height < 32)
1516 f->fmt.pix.height = 32;
1517 if (f->fmt.pix.width > maxw)
1518 f->fmt.pix.width = maxw;
1519 if (f->fmt.pix.height > maxh)
1520 f->fmt.pix.height = maxh;
1521 f->fmt.pix.width &= ~0x03;
1522 f->fmt.pix.bytesperline =
1523 (f->fmt.pix.width * fmt->depth) >> 3;
1524 f->fmt.pix.sizeimage =
1525 f->fmt.pix.height * f->fmt.pix.bytesperline;
1526
1527 return 0;
1528 }
1529 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1530 err = verify_preview(dev,&f->fmt.win);
1531 if (0 != err)
1532 return err;
1533 return 0;
1534 case V4L2_BUF_TYPE_VBI_CAPTURE:
1535 saa7134_vbi_fmt(dev,f);
1536 return 0;
1537 default:
1538 return -EINVAL;
1539 }
1540 }
1541
1542 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1543 struct v4l2_format *f)
1544 {
1545 unsigned long flags;
1546 int err;
1547
1548 switch (f->type) {
1549 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1550 err = saa7134_try_fmt(dev,fh,f);
1551 if (0 != err)
1552 return err;
1553
1554 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1555 fh->width = f->fmt.pix.width;
1556 fh->height = f->fmt.pix.height;
1557 fh->cap.field = f->fmt.pix.field;
1558 return 0;
1559 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1560 err = verify_preview(dev,&f->fmt.win);
1561 if (0 != err)
1562 return err;
1563
1564 down(&dev->lock);
1565 fh->win = f->fmt.win;
1566 fh->nclips = f->fmt.win.clipcount;
1567 if (fh->nclips > 8)
1568 fh->nclips = 8;
1569 if (copy_from_user(fh->clips,f->fmt.win.clips,
1570 sizeof(struct v4l2_clip)*fh->nclips)) {
1571 up(&dev->lock);
1572 return -EFAULT;
1573 }
1574
1575 if (res_check(fh, RESOURCE_OVERLAY)) {
1576 spin_lock_irqsave(&dev->slock,flags);
1577 stop_preview(dev,fh);
1578 start_preview(dev,fh);
1579 spin_unlock_irqrestore(&dev->slock,flags);
1580 }
1581 up(&dev->lock);
1582 return 0;
1583 case V4L2_BUF_TYPE_VBI_CAPTURE:
1584 saa7134_vbi_fmt(dev,f);
1585 return 0;
1586 default:
1587 return -EINVAL;
1588 }
1589 }
1590
1591 int saa7134_common_ioctl(struct saa7134_dev *dev,
1592 unsigned int cmd, void *arg)
1593 {
1594 int err;
1595
1596 switch (cmd) {
1597 case VIDIOC_QUERYCTRL:
1598 {
1599 const struct v4l2_queryctrl *ctrl;
1600 struct v4l2_queryctrl *c = arg;
1601
1602 if ((c->id < V4L2_CID_BASE ||
1603 c->id >= V4L2_CID_LASTP1) &&
1604 (c->id < V4L2_CID_PRIVATE_BASE ||
1605 c->id >= V4L2_CID_PRIVATE_LASTP1))
1606 return -EINVAL;
1607 ctrl = ctrl_by_id(c->id);
1608 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1609 return 0;
1610 }
1611 case VIDIOC_G_CTRL:
1612 return get_control(dev,arg);
1613 case VIDIOC_S_CTRL:
1614 {
1615 down(&dev->lock);
1616 err = set_control(dev,NULL,arg);
1617 up(&dev->lock);
1618 return err;
1619 }
1620 /* --- input switching --------------------------------------- */
1621 case VIDIOC_ENUMINPUT:
1622 {
1623 struct v4l2_input *i = arg;
1624 unsigned int n;
1625
1626 n = i->index;
1627 if (n >= SAA7134_INPUT_MAX)
1628 return -EINVAL;
1629 if (NULL == card_in(dev,i->index).name)
1630 return -EINVAL;
1631 memset(i,0,sizeof(*i));
1632 i->index = n;
1633 i->type = V4L2_INPUT_TYPE_CAMERA;
1634 strcpy(i->name,card_in(dev,n).name);
1635 if (card_in(dev,n).tv)
1636 i->type = V4L2_INPUT_TYPE_TUNER;
1637 i->audioset = 1;
1638 if (n == dev->ctl_input) {
1639 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1640 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1641
1642 if (0 != (v1 & 0x40))
1643 i->status |= V4L2_IN_ST_NO_H_LOCK;
1644 if (0 != (v2 & 0x40))
1645 i->status |= V4L2_IN_ST_NO_SYNC;
1646 if (0 != (v2 & 0x0e))
1647 i->status |= V4L2_IN_ST_MACROVISION;
1648 }
1649 for (n = 0; n < TVNORMS; n++)
1650 i->std |= tvnorms[n].id;
1651 return 0;
1652 }
1653 case VIDIOC_G_INPUT:
1654 {
1655 int *i = arg;
1656 *i = dev->ctl_input;
1657 return 0;
1658 }
1659 case VIDIOC_S_INPUT:
1660 {
1661 int *i = arg;
1662
1663 if (*i < 0 || *i >= SAA7134_INPUT_MAX)
1664 return -EINVAL;
1665 if (NULL == card_in(dev,*i).name)
1666 return -EINVAL;
1667 down(&dev->lock);
1668 video_mux(dev,*i);
1669 up(&dev->lock);
1670 return 0;
1671 }
1672
1673 }
1674 return 0;
1675 }
1676 EXPORT_SYMBOL(saa7134_common_ioctl);
1677
1678 /*
1679 * This function is _not_ called directly, but from
1680 * video_generic_ioctl (and maybe others). userspace
1681 * copying is done already, arg is a kernel pointer.
1682 */
1683 static int video_do_ioctl(struct inode *inode, struct file *file,
1684 unsigned int cmd, void *arg)
1685 {
1686 struct saa7134_fh *fh = file->private_data;
1687 struct saa7134_dev *dev = fh->dev;
1688 unsigned long flags;
1689 int err;
1690
1691 if (video_debug > 1)
1692 saa7134_print_ioctl(dev->name,cmd);
1693
1694 switch (cmd) {
1695 case VIDIOC_S_CTRL:
1696 case VIDIOC_S_STD:
1697 case VIDIOC_S_INPUT:
1698 case VIDIOC_S_TUNER:
1699 case VIDIOC_S_FREQUENCY:
1700 err = v4l2_prio_check(&dev->prio,&fh->prio);
1701 if (0 != err)
1702 return err;
1703 }
1704
1705 switch (cmd) {
1706 case VIDIOC_QUERYCAP:
1707 {
1708 struct v4l2_capability *cap = arg;
1709 unsigned int tuner_type = dev->tuner_type;
1710
1711 memset(cap,0,sizeof(*cap));
1712 strcpy(cap->driver, "saa7134");
1713 strlcpy(cap->card, saa7134_boards[dev->board].name,
1714 sizeof(cap->card));
1715 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1716 cap->version = SAA7134_VERSION_CODE;
1717 cap->capabilities =
1718 V4L2_CAP_VIDEO_CAPTURE |
1719 V4L2_CAP_VIDEO_OVERLAY |
1720 V4L2_CAP_VBI_CAPTURE |
1721 V4L2_CAP_READWRITE |
1722 V4L2_CAP_STREAMING |
1723 V4L2_CAP_TUNER;
1724
1725 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1726 cap->capabilities &= ~V4L2_CAP_TUNER;
1727
1728 return 0;
1729 }
1730
1731 /* --- tv standards ------------------------------------------ */
1732 case VIDIOC_ENUMSTD:
1733 {
1734 struct v4l2_standard *e = arg;
1735 unsigned int i;
1736
1737 i = e->index;
1738 if (i >= TVNORMS)
1739 return -EINVAL;
1740 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1741 tvnorms[e->index].name);
1742 e->index = i;
1743 if (err < 0)
1744 return err;
1745 return 0;
1746 }
1747 case VIDIOC_G_STD:
1748 {
1749 v4l2_std_id *id = arg;
1750
1751 *id = dev->tvnorm->id;
1752 return 0;
1753 }
1754 case VIDIOC_S_STD:
1755 {
1756 v4l2_std_id *id = arg;
1757 unsigned int i;
1758
1759 for (i = 0; i < TVNORMS; i++)
1760 if (*id == tvnorms[i].id)
1761 break;
1762 if (i == TVNORMS)
1763 for (i = 0; i < TVNORMS; i++)
1764 if (*id & tvnorms[i].id)
1765 break;
1766 if (i == TVNORMS)
1767 return -EINVAL;
1768
1769 down(&dev->lock);
1770 if (res_check(fh, RESOURCE_OVERLAY)) {
1771 spin_lock_irqsave(&dev->slock,flags);
1772 stop_preview(dev,fh);
1773 set_tvnorm(dev,&tvnorms[i]);
1774 start_preview(dev,fh);
1775 spin_unlock_irqrestore(&dev->slock,flags);
1776 } else
1777 set_tvnorm(dev,&tvnorms[i]);
1778 saa7134_tvaudio_do_scan(dev);
1779 up(&dev->lock);
1780 return 0;
1781 }
1782
1783 case VIDIOC_CROPCAP:
1784 {
1785 struct v4l2_cropcap *cap = arg;
1786
1787 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1788 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1789 return -EINVAL;
1790 cap->bounds = dev->crop_bounds;
1791 cap->defrect = dev->crop_defrect;
1792 cap->pixelaspect.numerator = 1;
1793 cap->pixelaspect.denominator = 1;
1794 if (dev->tvnorm->id & V4L2_STD_525_60) {
1795 cap->pixelaspect.numerator = 11;
1796 cap->pixelaspect.denominator = 10;
1797 }
1798 if (dev->tvnorm->id & V4L2_STD_625_50) {
1799 cap->pixelaspect.numerator = 54;
1800 cap->pixelaspect.denominator = 59;
1801 }
1802 return 0;
1803 }
1804
1805 case VIDIOC_G_CROP:
1806 {
1807 struct v4l2_crop * crop = arg;
1808
1809 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1810 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1811 return -EINVAL;
1812 crop->c = dev->crop_current;
1813 return 0;
1814 }
1815 case VIDIOC_S_CROP:
1816 {
1817 struct v4l2_crop *crop = arg;
1818 struct v4l2_rect *b = &dev->crop_bounds;
1819
1820 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1821 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1822 return -EINVAL;
1823 if (crop->c.height < 0)
1824 return -EINVAL;
1825 if (crop->c.width < 0)
1826 return -EINVAL;
1827
1828 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1829 return -EBUSY;
1830 if (res_locked(fh->dev,RESOURCE_VIDEO))
1831 return -EBUSY;
1832
1833 if (crop->c.top < b->top)
1834 crop->c.top = b->top;
1835 if (crop->c.top > b->top + b->height)
1836 crop->c.top = b->top + b->height;
1837 if (crop->c.height > b->top - crop->c.top + b->height)
1838 crop->c.height = b->top - crop->c.top + b->height;
1839
1840 if (crop->c.left < b->left)
1841 crop->c.left = b->left;
1842 if (crop->c.left > b->left + b->width)
1843 crop->c.left = b->left + b->width;
1844 if (crop->c.width > b->left - crop->c.left + b->width)
1845 crop->c.width = b->left - crop->c.left + b->width;
1846
1847 dev->crop_current = crop->c;
1848 return 0;
1849 }
1850
1851 /* --- tuner ioctls ------------------------------------------ */
1852 case VIDIOC_G_TUNER:
1853 {
1854 struct v4l2_tuner *t = arg;
1855 int n;
1856
1857 if (0 != t->index)
1858 return -EINVAL;
1859 memset(t,0,sizeof(*t));
1860 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1861 if (card_in(dev,n).tv)
1862 break;
1863 if (NULL != card_in(dev,n).name) {
1864 strcpy(t->name, "Television");
1865 t->type = V4L2_TUNER_ANALOG_TV;
1866 t->capability = V4L2_TUNER_CAP_NORM |
1867 V4L2_TUNER_CAP_STEREO |
1868 V4L2_TUNER_CAP_LANG1 |
1869 V4L2_TUNER_CAP_LANG2;
1870 t->rangehigh = 0xffffffffUL;
1871 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1872 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1873 }
1874 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1875 t->signal = 0xffff;
1876 return 0;
1877 }
1878 case VIDIOC_S_TUNER:
1879 {
1880 struct v4l2_tuner *t = arg;
1881 int rx,mode;
1882
1883 mode = dev->thread.mode;
1884 if (UNSET == mode) {
1885 rx = saa7134_tvaudio_getstereo(dev);
1886 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1887 }
1888 if (mode != t->audmode) {
1889 dev->thread.mode = t->audmode;
1890 }
1891 return 0;
1892 }
1893 case VIDIOC_G_FREQUENCY:
1894 {
1895 struct v4l2_frequency *f = arg;
1896
1897 memset(f,0,sizeof(*f));
1898 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1899 f->frequency = dev->ctl_freq;
1900 return 0;
1901 }
1902 case VIDIOC_S_FREQUENCY:
1903 {
1904 struct v4l2_frequency *f = arg;
1905
1906 if (0 != f->tuner)
1907 return -EINVAL;
1908 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1909 return -EINVAL;
1910 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1911 return -EINVAL;
1912 down(&dev->lock);
1913 dev->ctl_freq = f->frequency;
1914
1915 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1916
1917 saa7134_tvaudio_do_scan(dev);
1918 up(&dev->lock);
1919 return 0;
1920 }
1921
1922 /* --- control ioctls ---------------------------------------- */
1923 case VIDIOC_ENUMINPUT:
1924 case VIDIOC_G_INPUT:
1925 case VIDIOC_S_INPUT:
1926 case VIDIOC_QUERYCTRL:
1927 case VIDIOC_G_CTRL:
1928 case VIDIOC_S_CTRL:
1929 return saa7134_common_ioctl(dev, cmd, arg);
1930
1931 case VIDIOC_G_AUDIO:
1932 {
1933 struct v4l2_audio *a = arg;
1934
1935 memset(a,0,sizeof(*a));
1936 strcpy(a->name,"audio");
1937 return 0;
1938 }
1939 case VIDIOC_S_AUDIO:
1940 return 0;
1941 case VIDIOC_G_PARM:
1942 {
1943 struct v4l2_captureparm *parm = arg;
1944 memset(parm,0,sizeof(*parm));
1945 return 0;
1946 }
1947
1948 case VIDIOC_G_PRIORITY:
1949 {
1950 enum v4l2_priority *p = arg;
1951
1952 *p = v4l2_prio_max(&dev->prio);
1953 return 0;
1954 }
1955 case VIDIOC_S_PRIORITY:
1956 {
1957 enum v4l2_priority *prio = arg;
1958
1959 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
1960 }
1961
1962 /* --- preview ioctls ---------------------------------------- */
1963 case VIDIOC_ENUM_FMT:
1964 {
1965 struct v4l2_fmtdesc *f = arg;
1966 enum v4l2_buf_type type;
1967 unsigned int index;
1968
1969 index = f->index;
1970 type = f->type;
1971 switch (type) {
1972 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1973 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1974 if (index >= FORMATS)
1975 return -EINVAL;
1976 if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
1977 formats[index].planar)
1978 return -EINVAL;
1979 memset(f,0,sizeof(*f));
1980 f->index = index;
1981 f->type = type;
1982 strlcpy(f->description,formats[index].name,sizeof(f->description));
1983 f->pixelformat = formats[index].fourcc;
1984 break;
1985 case V4L2_BUF_TYPE_VBI_CAPTURE:
1986 if (0 != index)
1987 return -EINVAL;
1988 memset(f,0,sizeof(*f));
1989 f->index = index;
1990 f->type = type;
1991 f->pixelformat = V4L2_PIX_FMT_GREY;
1992 strcpy(f->description,"vbi data");
1993 break;
1994 default:
1995 return -EINVAL;
1996 }
1997 return 0;
1998 }
1999 case VIDIOC_G_FBUF:
2000 {
2001 struct v4l2_framebuffer *fb = arg;
2002
2003 *fb = dev->ovbuf;
2004 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2005 return 0;
2006 }
2007 case VIDIOC_S_FBUF:
2008 {
2009 struct v4l2_framebuffer *fb = arg;
2010 struct saa7134_format *fmt;
2011
2012 if(!capable(CAP_SYS_ADMIN) &&
2013 !capable(CAP_SYS_RAWIO))
2014 return -EPERM;
2015
2016 /* check args */
2017 fmt = format_by_fourcc(fb->fmt.pixelformat);
2018 if (NULL == fmt)
2019 return -EINVAL;
2020
2021 /* ok, accept it */
2022 dev->ovbuf = *fb;
2023 dev->ovfmt = fmt;
2024 if (0 == dev->ovbuf.fmt.bytesperline)
2025 dev->ovbuf.fmt.bytesperline =
2026 dev->ovbuf.fmt.width*fmt->depth/8;
2027 return 0;
2028 }
2029 case VIDIOC_OVERLAY:
2030 {
2031 int *on = arg;
2032
2033 if (*on) {
2034 if (!res_get(dev,fh,RESOURCE_OVERLAY))
2035 return -EBUSY;
2036 spin_lock_irqsave(&dev->slock,flags);
2037 start_preview(dev,fh);
2038 spin_unlock_irqrestore(&dev->slock,flags);
2039 }
2040 if (!*on) {
2041 if (!res_check(fh, RESOURCE_OVERLAY))
2042 return -EINVAL;
2043 spin_lock_irqsave(&dev->slock,flags);
2044 stop_preview(dev,fh);
2045 spin_unlock_irqrestore(&dev->slock,flags);
2046 res_free(dev,fh,RESOURCE_OVERLAY);
2047 }
2048 return 0;
2049 }
2050
2051 /* --- capture ioctls ---------------------------------------- */
2052 case VIDIOC_G_FMT:
2053 {
2054 struct v4l2_format *f = arg;
2055 return saa7134_g_fmt(dev,fh,f);
2056 }
2057 case VIDIOC_S_FMT:
2058 {
2059 struct v4l2_format *f = arg;
2060 return saa7134_s_fmt(dev,fh,f);
2061 }
2062 case VIDIOC_TRY_FMT:
2063 {
2064 struct v4l2_format *f = arg;
2065 return saa7134_try_fmt(dev,fh,f);
2066 }
2067 #ifdef HAVE_V4L1
2068 case VIDIOCGMBUF:
2069 {
2070 struct video_mbuf *mbuf = arg;
2071 struct videobuf_queue *q;
2072 struct v4l2_requestbuffers req;
2073 unsigned int i;
2074
2075 q = saa7134_queue(fh);
2076 memset(&req,0,sizeof(req));
2077 req.type = q->type;
2078 req.count = gbuffers;
2079 req.memory = V4L2_MEMORY_MMAP;
2080 err = videobuf_reqbufs(q,&req);
2081 if (err < 0)
2082 return err;
2083 memset(mbuf,0,sizeof(*mbuf));
2084 mbuf->frames = req.count;
2085 mbuf->size = 0;
2086 for (i = 0; i < mbuf->frames; i++) {
2087 mbuf->offsets[i] = q->bufs[i]->boff;
2088 mbuf->size += q->bufs[i]->bsize;
2089 }
2090 return 0;
2091 }
2092 #endif
2093 case VIDIOC_REQBUFS:
2094 return videobuf_reqbufs(saa7134_queue(fh),arg);
2095
2096 case VIDIOC_QUERYBUF:
2097 return videobuf_querybuf(saa7134_queue(fh),arg);
2098
2099 case VIDIOC_QBUF:
2100 return videobuf_qbuf(saa7134_queue(fh),arg);
2101
2102 case VIDIOC_DQBUF:
2103 return videobuf_dqbuf(saa7134_queue(fh),arg,
2104 file->f_flags & O_NONBLOCK);
2105
2106 case VIDIOC_STREAMON:
2107 {
2108 int res = saa7134_resource(fh);
2109
2110 if (!res_get(dev,fh,res))
2111 return -EBUSY;
2112 return videobuf_streamon(saa7134_queue(fh));
2113 }
2114 case VIDIOC_STREAMOFF:
2115 {
2116 int res = saa7134_resource(fh);
2117
2118 err = videobuf_streamoff(saa7134_queue(fh));
2119 if (err < 0)
2120 return err;
2121 res_free(dev,fh,res);
2122 return 0;
2123 }
2124
2125 default:
2126 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2127 video_do_ioctl);
2128 }
2129 return 0;
2130 }
2131
2132 static int video_ioctl(struct inode *inode, struct file *file,
2133 unsigned int cmd, unsigned long arg)
2134 {
2135 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2136 }
2137
2138 static int radio_do_ioctl(struct inode *inode, struct file *file,
2139 unsigned int cmd, void *arg)
2140 {
2141 struct saa7134_fh *fh = file->private_data;
2142 struct saa7134_dev *dev = fh->dev;
2143
2144 if (video_debug > 1)
2145 saa7134_print_ioctl(dev->name,cmd);
2146 switch (cmd) {
2147 case VIDIOC_QUERYCAP:
2148 {
2149 struct v4l2_capability *cap = arg;
2150
2151 memset(cap,0,sizeof(*cap));
2152 strcpy(cap->driver, "saa7134");
2153 strlcpy(cap->card, saa7134_boards[dev->board].name,
2154 sizeof(cap->card));
2155 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2156 cap->version = SAA7134_VERSION_CODE;
2157 cap->capabilities = V4L2_CAP_TUNER;
2158 return 0;
2159 }
2160 case VIDIOC_G_TUNER:
2161 {
2162 struct v4l2_tuner *t = arg;
2163
2164 if (0 != t->index)
2165 return -EINVAL;
2166
2167 memset(t,0,sizeof(*t));
2168 strcpy(t->name, "Radio");
2169 t->type = V4L2_TUNER_RADIO;
2170
2171 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2172
2173 return 0;
2174 }
2175 case VIDIOC_S_TUNER:
2176 {
2177 struct v4l2_tuner *t = arg;
2178
2179 if (0 != t->index)
2180 return -EINVAL;
2181
2182 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2183
2184 return 0;
2185 }
2186 case VIDIOC_ENUMINPUT:
2187 {
2188 struct v4l2_input *i = arg;
2189
2190 if (i->index != 0)
2191 return -EINVAL;
2192 strcpy(i->name,"Radio");
2193 i->type = V4L2_INPUT_TYPE_TUNER;
2194 return 0;
2195 }
2196 case VIDIOC_G_INPUT:
2197 {
2198 int *i = arg;
2199 *i = 0;
2200 return 0;
2201 }
2202 case VIDIOC_G_AUDIO:
2203 {
2204 struct v4l2_audio *a = arg;
2205
2206 memset(a,0,sizeof(*a));
2207 strcpy(a->name,"Radio");
2208 return 0;
2209 }
2210 case VIDIOC_G_STD:
2211 {
2212 v4l2_std_id *id = arg;
2213 *id = 0;
2214 return 0;
2215 }
2216 case VIDIOC_S_AUDIO:
2217 case VIDIOC_S_INPUT:
2218 case VIDIOC_S_STD:
2219 return 0;
2220
2221 case VIDIOC_QUERYCTRL:
2222 {
2223 const struct v4l2_queryctrl *ctrl;
2224 struct v4l2_queryctrl *c = arg;
2225
2226 if (c->id < V4L2_CID_BASE ||
2227 c->id >= V4L2_CID_LASTP1)
2228 return -EINVAL;
2229 if (c->id == V4L2_CID_AUDIO_MUTE) {
2230 ctrl = ctrl_by_id(c->id);
2231 *c = *ctrl;
2232 } else
2233 *c = no_ctrl;
2234 return 0;
2235 }
2236
2237 case VIDIOC_G_CTRL:
2238 case VIDIOC_S_CTRL:
2239 case VIDIOC_G_FREQUENCY:
2240 case VIDIOC_S_FREQUENCY:
2241 return video_do_ioctl(inode,file,cmd,arg);
2242
2243 default:
2244 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2245 radio_do_ioctl);
2246 }
2247 return 0;
2248 }
2249
2250 static int radio_ioctl(struct inode *inode, struct file *file,
2251 unsigned int cmd, unsigned long arg)
2252 {
2253 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2254 }
2255
2256 static struct file_operations video_fops =
2257 {
2258 .owner = THIS_MODULE,
2259 .open = video_open,
2260 .release = video_release,
2261 .read = video_read,
2262 .poll = video_poll,
2263 .mmap = video_mmap,
2264 .ioctl = video_ioctl,
2265 .llseek = no_llseek,
2266 };
2267
2268 static struct file_operations radio_fops =
2269 {
2270 .owner = THIS_MODULE,
2271 .open = video_open,
2272 .release = video_release,
2273 .ioctl = radio_ioctl,
2274 .llseek = no_llseek,
2275 };
2276
2277 /* ----------------------------------------------------------- */
2278 /* exported stuff */
2279
2280 struct video_device saa7134_video_template =
2281 {
2282 .name = "saa7134-video",
2283 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
2284 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2285 .hardware = 0,
2286 .fops = &video_fops,
2287 .minor = -1,
2288 };
2289
2290 struct video_device saa7134_vbi_template =
2291 {
2292 .name = "saa7134-vbi",
2293 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2294 .hardware = 0,
2295 .fops = &video_fops,
2296 .minor = -1,
2297 };
2298
2299 struct video_device saa7134_radio_template =
2300 {
2301 .name = "saa7134-radio",
2302 .type = VID_TYPE_TUNER,
2303 .hardware = 0,
2304 .fops = &radio_fops,
2305 .minor = -1,
2306 };
2307
2308 int saa7134_video_init1(struct saa7134_dev *dev)
2309 {
2310 /* sanitycheck insmod options */
2311 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2312 gbuffers = 2;
2313 if (gbufsize < 0 || gbufsize > gbufsize_max)
2314 gbufsize = gbufsize_max;
2315 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2316
2317 /* put some sensible defaults into the data structures ... */
2318 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2319 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2320 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2321 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2322 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2323 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2324 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2325 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2326
2327 if (dev->tda9887_conf && dev->ctl_automute)
2328 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2329 dev->automute = 0;
2330
2331 INIT_LIST_HEAD(&dev->video_q.queue);
2332 init_timer(&dev->video_q.timeout);
2333 dev->video_q.timeout.function = saa7134_buffer_timeout;
2334 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2335 dev->video_q.dev = dev;
2336
2337 if (saa7134_boards[dev->board].video_out) {
2338 /* enable video output */
2339 int vo = saa7134_boards[dev->board].video_out;
2340 int video_reg;
2341 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2342 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2343 video_reg = video_out[vo][1];
2344 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2345 video_reg &= ~VP_T_CODE_P_INVERTED;
2346 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2347 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2348 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2349 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2350 video_reg = video_out[vo][5];
2351 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2352 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2353 if (vid_port_opts & SET_CLOCK_INVERTED)
2354 video_reg |= VP_CLK_CTRL1_INVERTED;
2355 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2356 video_reg = video_out[vo][6];
2357 if (vid_port_opts & SET_VSYNC_OFF) {
2358 video_reg &= ~VP_VS_TYPE_MASK;
2359 video_reg |= VP_VS_TYPE_OFF;
2360 }
2361 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2362 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2363 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2364 }
2365
2366 return 0;
2367 }
2368
2369 int saa7134_video_init2(struct saa7134_dev *dev)
2370 {
2371 /* init video hw */
2372 set_tvnorm(dev,&tvnorms[0]);
2373 video_mux(dev,0);
2374 saa7134_tvaudio_setmute(dev);
2375 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2376 return 0;
2377 }
2378
2379 int saa7134_video_fini(struct saa7134_dev *dev)
2380 {
2381 /* nothing */
2382 return 0;
2383 }
2384
2385 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2386 {
2387 static const char *st[] = {
2388 "(no signal)", "NTSC", "PAL", "SECAM" };
2389 u32 st1,st2;
2390
2391 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2392 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2393 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2394 (st1 & 0x40) ? "not locked" : "locked",
2395 (st2 & 0x40) ? "no" : "yes",
2396 st[st1 & 0x03]);
2397 dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2398
2399 if (dev->nosignal) {
2400 /* no video signal -> mute audio */
2401 if (dev->ctl_automute)
2402 dev->automute = 1;
2403 saa7134_tvaudio_setmute(dev);
2404 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2405 } else {
2406 /* wake up tvaudio audio carrier scan thread */
2407 saa7134_tvaudio_do_scan(dev);
2408 if (!noninterlaced)
2409 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2410 }
2411 if (dev->mops && dev->mops->signal_change)
2412 dev->mops->signal_change(dev);
2413 }
2414
2415 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2416 {
2417 enum v4l2_field field;
2418
2419 spin_lock(&dev->slock);
2420 if (dev->video_q.curr) {
2421 dev->video_fieldcount++;
2422 field = dev->video_q.curr->vb.field;
2423 if (V4L2_FIELD_HAS_BOTH(field)) {
2424 /* make sure we have seen both fields */
2425 if ((status & 0x10) == 0x00) {
2426 dev->video_q.curr->top_seen = 1;
2427 goto done;
2428 }
2429 if (!dev->video_q.curr->top_seen)
2430 goto done;
2431 } else if (field == V4L2_FIELD_TOP) {
2432 if ((status & 0x10) != 0x10)
2433 goto done;
2434 } else if (field == V4L2_FIELD_BOTTOM) {
2435 if ((status & 0x10) != 0x00)
2436 goto done;
2437 }
2438 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2439 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2440 }
2441 saa7134_buffer_next(dev,&dev->video_q);
2442
2443 done:
2444 spin_unlock(&dev->slock);
2445 }
2446
2447 /* ----------------------------------------------------------- */
2448 /*
2449 * Local variables:
2450 * c-basic-offset: 8
2451 * End:
2452 */