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Merge git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[mirror_ubuntu-jammy-kernel.git] / drivers / media / video / saa7134 / saa7134-video.c
1 /*
2 *
3 * device driver for philips saa7134 based TV cards
4 * video4linux video interface
5 *
6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/moduleparam.h>
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
29
30 #include "saa7134-reg.h"
31 #include "saa7134.h"
32 #include <media/v4l2-common.h>
33
34 /* Include V4L1 specific functions. Should be removed soon */
35 #include <linux/videodev.h>
36
37 /* ------------------------------------------------------------------ */
38
39 static unsigned int video_debug = 0;
40 static unsigned int gbuffers = 8;
41 static unsigned int noninterlaced = 0;
42 static unsigned int gbufsize = 720*576*4;
43 static unsigned int gbufsize_max = 720*576*4;
44 module_param(video_debug, int, 0644);
45 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
46 module_param(gbuffers, int, 0444);
47 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
48 module_param(noninterlaced, int, 0644);
49 MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced");
50
51 #define dprintk(fmt, arg...) if (video_debug) \
52 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
53
54 /* ------------------------------------------------------------------ */
55 /* Defines for Video Output Port Register at address 0x191 */
56
57 /* Bit 0: VIP code T bit polarity */
58
59 #define VP_T_CODE_P_NON_INVERTED 0x00
60 #define VP_T_CODE_P_INVERTED 0x01
61
62 /* ------------------------------------------------------------------ */
63 /* Defines for Video Output Port Register at address 0x195 */
64
65 /* Bit 2: Video output clock delay control */
66
67 #define VP_CLK_CTRL2_NOT_DELAYED 0x00
68 #define VP_CLK_CTRL2_DELAYED 0x04
69
70 /* Bit 1: Video output clock invert control */
71
72 #define VP_CLK_CTRL1_NON_INVERTED 0x00
73 #define VP_CLK_CTRL1_INVERTED 0x02
74
75 /* ------------------------------------------------------------------ */
76 /* Defines for Video Output Port Register at address 0x196 */
77
78 /* Bits 2 to 0: VSYNC pin video vertical sync type */
79
80 #define VP_VS_TYPE_MASK 0x07
81
82 #define VP_VS_TYPE_OFF 0x00
83 #define VP_VS_TYPE_V123 0x01
84 #define VP_VS_TYPE_V_ITU 0x02
85 #define VP_VS_TYPE_VGATE_L 0x03
86 #define VP_VS_TYPE_RESERVED1 0x04
87 #define VP_VS_TYPE_RESERVED2 0x05
88 #define VP_VS_TYPE_F_ITU 0x06
89 #define VP_VS_TYPE_SC_FID 0x07
90
91 /* ------------------------------------------------------------------ */
92 /* data structs for video */
93
94 static int video_out[][9] = {
95 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
96 };
97
98 static struct saa7134_format formats[] = {
99 {
100 .name = "8 bpp gray",
101 .fourcc = V4L2_PIX_FMT_GREY,
102 .depth = 8,
103 .pm = 0x06,
104 },{
105 .name = "15 bpp RGB, le",
106 .fourcc = V4L2_PIX_FMT_RGB555,
107 .depth = 16,
108 .pm = 0x13 | 0x80,
109 },{
110 .name = "15 bpp RGB, be",
111 .fourcc = V4L2_PIX_FMT_RGB555X,
112 .depth = 16,
113 .pm = 0x13 | 0x80,
114 .bswap = 1,
115 },{
116 .name = "16 bpp RGB, le",
117 .fourcc = V4L2_PIX_FMT_RGB565,
118 .depth = 16,
119 .pm = 0x10 | 0x80,
120 },{
121 .name = "16 bpp RGB, be",
122 .fourcc = V4L2_PIX_FMT_RGB565X,
123 .depth = 16,
124 .pm = 0x10 | 0x80,
125 .bswap = 1,
126 },{
127 .name = "24 bpp RGB, le",
128 .fourcc = V4L2_PIX_FMT_BGR24,
129 .depth = 24,
130 .pm = 0x11,
131 },{
132 .name = "24 bpp RGB, be",
133 .fourcc = V4L2_PIX_FMT_RGB24,
134 .depth = 24,
135 .pm = 0x11,
136 .bswap = 1,
137 },{
138 .name = "32 bpp RGB, le",
139 .fourcc = V4L2_PIX_FMT_BGR32,
140 .depth = 32,
141 .pm = 0x12,
142 },{
143 .name = "32 bpp RGB, be",
144 .fourcc = V4L2_PIX_FMT_RGB32,
145 .depth = 32,
146 .pm = 0x12,
147 .bswap = 1,
148 .wswap = 1,
149 },{
150 .name = "4:2:2 packed, YUYV",
151 .fourcc = V4L2_PIX_FMT_YUYV,
152 .depth = 16,
153 .pm = 0x00,
154 .bswap = 1,
155 .yuv = 1,
156 },{
157 .name = "4:2:2 packed, UYVY",
158 .fourcc = V4L2_PIX_FMT_UYVY,
159 .depth = 16,
160 .pm = 0x00,
161 .yuv = 1,
162 },{
163 .name = "4:2:2 planar, Y-Cb-Cr",
164 .fourcc = V4L2_PIX_FMT_YUV422P,
165 .depth = 16,
166 .pm = 0x09,
167 .yuv = 1,
168 .planar = 1,
169 .hshift = 1,
170 .vshift = 0,
171 },{
172 .name = "4:2:0 planar, Y-Cb-Cr",
173 .fourcc = V4L2_PIX_FMT_YUV420,
174 .depth = 12,
175 .pm = 0x0a,
176 .yuv = 1,
177 .planar = 1,
178 .hshift = 1,
179 .vshift = 1,
180 },{
181 .name = "4:2:0 planar, Y-Cb-Cr",
182 .fourcc = V4L2_PIX_FMT_YVU420,
183 .depth = 12,
184 .pm = 0x0a,
185 .yuv = 1,
186 .planar = 1,
187 .uvswap = 1,
188 .hshift = 1,
189 .vshift = 1,
190 }
191 };
192 #define FORMATS ARRAY_SIZE(formats)
193
194 #define NORM_625_50 \
195 .h_start = 0, \
196 .h_stop = 719, \
197 .video_v_start = 24, \
198 .video_v_stop = 311, \
199 .vbi_v_start_0 = 7, \
200 .vbi_v_stop_0 = 22, \
201 .vbi_v_start_1 = 319, \
202 .src_timing = 4
203
204 #define NORM_525_60 \
205 .h_start = 0, \
206 .h_stop = 703, \
207 .video_v_start = 23, \
208 .video_v_stop = 262, \
209 .vbi_v_start_0 = 10, \
210 .vbi_v_stop_0 = 21, \
211 .vbi_v_start_1 = 273, \
212 .src_timing = 7
213
214 static struct saa7134_tvnorm tvnorms[] = {
215 {
216 .name = "PAL", /* autodetect */
217 .id = V4L2_STD_PAL,
218 NORM_625_50,
219
220 .sync_control = 0x18,
221 .luma_control = 0x40,
222 .chroma_ctrl1 = 0x81,
223 .chroma_gain = 0x2a,
224 .chroma_ctrl2 = 0x06,
225 .vgate_misc = 0x1c,
226
227 },{
228 .name = "PAL-BG",
229 .id = V4L2_STD_PAL_BG,
230 NORM_625_50,
231
232 .sync_control = 0x18,
233 .luma_control = 0x40,
234 .chroma_ctrl1 = 0x81,
235 .chroma_gain = 0x2a,
236 .chroma_ctrl2 = 0x06,
237 .vgate_misc = 0x1c,
238
239 },{
240 .name = "PAL-I",
241 .id = V4L2_STD_PAL_I,
242 NORM_625_50,
243
244 .sync_control = 0x18,
245 .luma_control = 0x40,
246 .chroma_ctrl1 = 0x81,
247 .chroma_gain = 0x2a,
248 .chroma_ctrl2 = 0x06,
249 .vgate_misc = 0x1c,
250
251 },{
252 .name = "PAL-DK",
253 .id = V4L2_STD_PAL_DK,
254 NORM_625_50,
255
256 .sync_control = 0x18,
257 .luma_control = 0x40,
258 .chroma_ctrl1 = 0x81,
259 .chroma_gain = 0x2a,
260 .chroma_ctrl2 = 0x06,
261 .vgate_misc = 0x1c,
262
263 },{
264 .name = "NTSC",
265 .id = V4L2_STD_NTSC,
266 NORM_525_60,
267
268 .sync_control = 0x59,
269 .luma_control = 0x40,
270 .chroma_ctrl1 = 0x89,
271 .chroma_gain = 0x2a,
272 .chroma_ctrl2 = 0x0e,
273 .vgate_misc = 0x18,
274
275 },{
276 .name = "SECAM",
277 .id = V4L2_STD_SECAM,
278 NORM_625_50,
279
280 .sync_control = 0x18, /* old: 0x58, */
281 .luma_control = 0x1b,
282 .chroma_ctrl1 = 0xd1,
283 .chroma_gain = 0x80,
284 .chroma_ctrl2 = 0x00,
285 .vgate_misc = 0x1c,
286
287 },{
288 .name = "PAL-M",
289 .id = V4L2_STD_PAL_M,
290 NORM_525_60,
291
292 .sync_control = 0x59,
293 .luma_control = 0x40,
294 .chroma_ctrl1 = 0xb9,
295 .chroma_gain = 0x2a,
296 .chroma_ctrl2 = 0x0e,
297 .vgate_misc = 0x18,
298
299 },{
300 .name = "PAL-Nc",
301 .id = V4L2_STD_PAL_Nc,
302 NORM_625_50,
303
304 .sync_control = 0x18,
305 .luma_control = 0x40,
306 .chroma_ctrl1 = 0xa1,
307 .chroma_gain = 0x2a,
308 .chroma_ctrl2 = 0x06,
309 .vgate_misc = 0x1c,
310
311 },{
312 .name = "PAL-60",
313 .id = V4L2_STD_PAL_60,
314
315 .h_start = 0,
316 .h_stop = 719,
317 .video_v_start = 23,
318 .video_v_stop = 262,
319 .vbi_v_start_0 = 10,
320 .vbi_v_stop_0 = 21,
321 .vbi_v_start_1 = 273,
322 .src_timing = 7,
323
324 .sync_control = 0x18,
325 .luma_control = 0x40,
326 .chroma_ctrl1 = 0x81,
327 .chroma_gain = 0x2a,
328 .chroma_ctrl2 = 0x06,
329 .vgate_misc = 0x1c,
330 }
331 };
332 #define TVNORMS ARRAY_SIZE(tvnorms)
333
334 #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
335 #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
336 #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
337 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
338 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
339
340 static const struct v4l2_queryctrl no_ctrl = {
341 .name = "42",
342 .flags = V4L2_CTRL_FLAG_DISABLED,
343 };
344 static const struct v4l2_queryctrl video_ctrls[] = {
345 /* --- video --- */
346 {
347 .id = V4L2_CID_BRIGHTNESS,
348 .name = "Brightness",
349 .minimum = 0,
350 .maximum = 255,
351 .step = 1,
352 .default_value = 128,
353 .type = V4L2_CTRL_TYPE_INTEGER,
354 },{
355 .id = V4L2_CID_CONTRAST,
356 .name = "Contrast",
357 .minimum = 0,
358 .maximum = 127,
359 .step = 1,
360 .default_value = 68,
361 .type = V4L2_CTRL_TYPE_INTEGER,
362 },{
363 .id = V4L2_CID_SATURATION,
364 .name = "Saturation",
365 .minimum = 0,
366 .maximum = 127,
367 .step = 1,
368 .default_value = 64,
369 .type = V4L2_CTRL_TYPE_INTEGER,
370 },{
371 .id = V4L2_CID_HUE,
372 .name = "Hue",
373 .minimum = -128,
374 .maximum = 127,
375 .step = 1,
376 .default_value = 0,
377 .type = V4L2_CTRL_TYPE_INTEGER,
378 },{
379 .id = V4L2_CID_HFLIP,
380 .name = "Mirror",
381 .minimum = 0,
382 .maximum = 1,
383 .type = V4L2_CTRL_TYPE_BOOLEAN,
384 },
385 /* --- audio --- */
386 {
387 .id = V4L2_CID_AUDIO_MUTE,
388 .name = "Mute",
389 .minimum = 0,
390 .maximum = 1,
391 .type = V4L2_CTRL_TYPE_BOOLEAN,
392 },{
393 .id = V4L2_CID_AUDIO_VOLUME,
394 .name = "Volume",
395 .minimum = -15,
396 .maximum = 15,
397 .step = 1,
398 .default_value = 0,
399 .type = V4L2_CTRL_TYPE_INTEGER,
400 },
401 /* --- private --- */
402 {
403 .id = V4L2_CID_PRIVATE_INVERT,
404 .name = "Invert",
405 .minimum = 0,
406 .maximum = 1,
407 .type = V4L2_CTRL_TYPE_BOOLEAN,
408 },{
409 .id = V4L2_CID_PRIVATE_Y_ODD,
410 .name = "y offset odd field",
411 .minimum = 0,
412 .maximum = 128,
413 .default_value = 0,
414 .type = V4L2_CTRL_TYPE_INTEGER,
415 },{
416 .id = V4L2_CID_PRIVATE_Y_EVEN,
417 .name = "y offset even field",
418 .minimum = 0,
419 .maximum = 128,
420 .default_value = 0,
421 .type = V4L2_CTRL_TYPE_INTEGER,
422 },{
423 .id = V4L2_CID_PRIVATE_AUTOMUTE,
424 .name = "automute",
425 .minimum = 0,
426 .maximum = 1,
427 .default_value = 1,
428 .type = V4L2_CTRL_TYPE_BOOLEAN,
429 }
430 };
431 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
432
433 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
434 {
435 unsigned int i;
436
437 for (i = 0; i < CTRLS; i++)
438 if (video_ctrls[i].id == id)
439 return video_ctrls+i;
440 return NULL;
441 }
442
443 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
444 {
445 unsigned int i;
446
447 for (i = 0; i < FORMATS; i++)
448 if (formats[i].fourcc == fourcc)
449 return formats+i;
450 return NULL;
451 }
452
453 /* ----------------------------------------------------------------------- */
454 /* resource management */
455
456 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
457 {
458 if (fh->resources & bit)
459 /* have it already allocated */
460 return 1;
461
462 /* is it free? */
463 down(&dev->lock);
464 if (dev->resources & bit) {
465 /* no, someone else uses it */
466 up(&dev->lock);
467 return 0;
468 }
469 /* it's free, grab it */
470 fh->resources |= bit;
471 dev->resources |= bit;
472 dprintk("res: get %d\n",bit);
473 up(&dev->lock);
474 return 1;
475 }
476
477 static
478 int res_check(struct saa7134_fh *fh, unsigned int bit)
479 {
480 return (fh->resources & bit);
481 }
482
483 static
484 int res_locked(struct saa7134_dev *dev, unsigned int bit)
485 {
486 return (dev->resources & bit);
487 }
488
489 static
490 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
491 {
492 if ((fh->resources & bits) != bits)
493 BUG();
494
495 down(&dev->lock);
496 fh->resources &= ~bits;
497 dev->resources &= ~bits;
498 dprintk("res: put %d\n",bits);
499 up(&dev->lock);
500 }
501
502 /* ------------------------------------------------------------------ */
503
504 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
505 {
506 int luma_control,sync_control,mux;
507
508 dprintk("set tv norm = %s\n",norm->name);
509 dev->tvnorm = norm;
510
511 mux = card_in(dev,dev->ctl_input).vmux;
512 luma_control = norm->luma_control;
513 sync_control = norm->sync_control;
514
515 if (mux > 5)
516 luma_control |= 0x80; /* svideo */
517 if (noninterlaced || dev->nosignal)
518 sync_control |= 0x20;
519
520 /* setup cropping */
521 dev->crop_bounds.left = norm->h_start;
522 dev->crop_defrect.left = norm->h_start;
523 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
524 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
525
526 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
527 dev->crop_defrect.top = norm->video_v_start*2;
528 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
529 - dev->crop_bounds.top;
530 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
531
532 dev->crop_current = dev->crop_defrect;
533
534 /* setup video decoder */
535 saa_writeb(SAA7134_INCR_DELAY, 0x08);
536 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
537 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
538
539 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
540 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
541 saa_writeb(SAA7134_HSYNC_START, 0xeb);
542 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
543 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
544
545 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
546 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
547 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
548 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, dev->ctl_contrast);
549
550 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
551 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
552 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
553 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
554
555 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
556 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
557
558 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
559 saa_writeb(SAA7134_VGATE_START, 0x11);
560 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
561 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
562 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
563 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
564
565 saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
566 }
567
568 static void video_mux(struct saa7134_dev *dev, int input)
569 {
570 dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
571 dev->ctl_input = input;
572 set_tvnorm(dev,dev->tvnorm);
573 saa7134_tvaudio_setinput(dev,&card_in(dev,input));
574 }
575
576 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
577 {
578 static const struct {
579 int xpsc;
580 int xacl;
581 int xc2_1;
582 int xdcg;
583 int vpfy;
584 } vals[] = {
585 /* XPSC XACL XC2_1 XDCG VPFY */
586 { 1, 0, 0, 0, 0 },
587 { 2, 2, 1, 2, 2 },
588 { 3, 4, 1, 3, 2 },
589 { 4, 8, 1, 4, 2 },
590 { 5, 8, 1, 4, 2 },
591 { 6, 8, 1, 4, 3 },
592 { 7, 8, 1, 4, 3 },
593 { 8, 15, 0, 4, 3 },
594 { 9, 15, 0, 4, 3 },
595 { 10, 16, 1, 5, 3 },
596 };
597 static const int count = ARRAY_SIZE(vals);
598 int i;
599
600 for (i = 0; i < count; i++)
601 if (vals[i].xpsc == prescale)
602 break;
603 if (i == count)
604 return;
605
606 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
607 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
608 saa_writeb(SAA7134_LEVEL_CTRL(task),
609 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
610 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
611 (vals[i].vpfy << 2) | vals[i].vpfy);
612 }
613
614 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
615 {
616 int val,mirror;
617
618 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
619 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
620
621 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
622 if (yscale < 2048) {
623 /* LPI */
624 dprintk("yscale LPI yscale=%d\n",yscale);
625 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
626 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
627 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
628 } else {
629 /* ACM */
630 val = 0x40 * 1024 / yscale;
631 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
632 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
633 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
634 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
635 }
636 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
637 }
638
639 static void set_size(struct saa7134_dev *dev, int task,
640 int width, int height, int interlace)
641 {
642 int prescale,xscale,yscale,y_even,y_odd;
643 int h_start, h_stop, v_start, v_stop;
644 int div = interlace ? 2 : 1;
645
646 /* setup video scaler */
647 h_start = dev->crop_current.left;
648 v_start = dev->crop_current.top/2;
649 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
650 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
651
652 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
653 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
654 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
655 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
656 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
657 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
658 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
659 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
660
661 prescale = dev->crop_current.width / width;
662 if (0 == prescale)
663 prescale = 1;
664 xscale = 1024 * dev->crop_current.width / prescale / width;
665 yscale = 512 * div * dev->crop_current.height / height;
666 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
667 set_h_prescale(dev,task,prescale);
668 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
669 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
670 set_v_scale(dev,task,yscale);
671
672 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
673 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
674 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
675 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
676
677 /* deinterlace y offsets */
678 y_odd = dev->ctl_y_odd;
679 y_even = dev->ctl_y_even;
680 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
681 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
682 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
683 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
684 }
685
686 /* ------------------------------------------------------------------ */
687
688 struct cliplist {
689 __u16 position;
690 __u8 enable;
691 __u8 disable;
692 };
693
694 static void sort_cliplist(struct cliplist *cl, int entries)
695 {
696 struct cliplist swap;
697 int i,j,n;
698
699 for (i = entries-2; i >= 0; i--) {
700 for (n = 0, j = 0; j <= i; j++) {
701 if (cl[j].position > cl[j+1].position) {
702 swap = cl[j];
703 cl[j] = cl[j+1];
704 cl[j+1] = swap;
705 n++;
706 }
707 }
708 if (0 == n)
709 break;
710 }
711 }
712
713 static void set_cliplist(struct saa7134_dev *dev, int reg,
714 struct cliplist *cl, int entries, char *name)
715 {
716 __u8 winbits = 0;
717 int i;
718
719 for (i = 0; i < entries; i++) {
720 winbits |= cl[i].enable;
721 winbits &= ~cl[i].disable;
722 if (i < 15 && cl[i].position == cl[i+1].position)
723 continue;
724 saa_writeb(reg + 0, winbits);
725 saa_writeb(reg + 2, cl[i].position & 0xff);
726 saa_writeb(reg + 3, cl[i].position >> 8);
727 dprintk("clip: %s winbits=%02x pos=%d\n",
728 name,winbits,cl[i].position);
729 reg += 8;
730 }
731 for (; reg < 0x400; reg += 8) {
732 saa_writeb(reg+ 0, 0);
733 saa_writeb(reg + 1, 0);
734 saa_writeb(reg + 2, 0);
735 saa_writeb(reg + 3, 0);
736 }
737 }
738
739 static int clip_range(int val)
740 {
741 if (val < 0)
742 val = 0;
743 return val;
744 }
745
746 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
747 int nclips, int interlace)
748 {
749 struct cliplist col[16], row[16];
750 int cols, rows, i;
751 int div = interlace ? 2 : 1;
752
753 memset(col,0,sizeof(col)); cols = 0;
754 memset(row,0,sizeof(row)); rows = 0;
755 for (i = 0; i < nclips && i < 8; i++) {
756 col[cols].position = clip_range(clips[i].c.left);
757 col[cols].enable = (1 << i);
758 cols++;
759 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
760 col[cols].disable = (1 << i);
761 cols++;
762 row[rows].position = clip_range(clips[i].c.top / div);
763 row[rows].enable = (1 << i);
764 rows++;
765 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
766 / div);
767 row[rows].disable = (1 << i);
768 rows++;
769 }
770 sort_cliplist(col,cols);
771 sort_cliplist(row,rows);
772 set_cliplist(dev,0x380,col,cols,"cols");
773 set_cliplist(dev,0x384,row,rows,"rows");
774 return 0;
775 }
776
777 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
778 {
779 enum v4l2_field field;
780 int maxw, maxh;
781
782 if (NULL == dev->ovbuf.base)
783 return -EINVAL;
784 if (NULL == dev->ovfmt)
785 return -EINVAL;
786 if (win->w.width < 48 || win->w.height < 32)
787 return -EINVAL;
788 if (win->clipcount > 2048)
789 return -EINVAL;
790
791 field = win->field;
792 maxw = dev->crop_current.width;
793 maxh = dev->crop_current.height;
794
795 if (V4L2_FIELD_ANY == field) {
796 field = (win->w.height > maxh/2)
797 ? V4L2_FIELD_INTERLACED
798 : V4L2_FIELD_TOP;
799 }
800 switch (field) {
801 case V4L2_FIELD_TOP:
802 case V4L2_FIELD_BOTTOM:
803 maxh = maxh / 2;
804 break;
805 case V4L2_FIELD_INTERLACED:
806 break;
807 default:
808 return -EINVAL;
809 }
810
811 win->field = field;
812 if (win->w.width > maxw)
813 win->w.width = maxw;
814 if (win->w.height > maxh)
815 win->w.height = maxh;
816 return 0;
817 }
818
819 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
820 {
821 unsigned long base,control,bpl;
822 int err;
823
824 err = verify_preview(dev,&fh->win);
825 if (0 != err)
826 return err;
827
828 dev->ovfield = fh->win.field;
829 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
830 fh->win.w.width,fh->win.w.height,
831 fh->win.w.left,fh->win.w.top,
832 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
833
834 /* setup window + clipping */
835 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
836 V4L2_FIELD_HAS_BOTH(dev->ovfield));
837 setup_clipping(dev,fh->clips,fh->nclips,
838 V4L2_FIELD_HAS_BOTH(dev->ovfield));
839 if (dev->ovfmt->yuv)
840 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
841 else
842 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
843 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
844
845 /* dma: setup channel 1 (= Video Task B) */
846 base = (unsigned long)dev->ovbuf.base;
847 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
848 base += dev->ovfmt->depth/8 * fh->win.w.left;
849 bpl = dev->ovbuf.fmt.bytesperline;
850 control = SAA7134_RS_CONTROL_BURST_16;
851 if (dev->ovfmt->bswap)
852 control |= SAA7134_RS_CONTROL_BSWAP;
853 if (dev->ovfmt->wswap)
854 control |= SAA7134_RS_CONTROL_WSWAP;
855 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
856 saa_writel(SAA7134_RS_BA1(1),base);
857 saa_writel(SAA7134_RS_BA2(1),base+bpl);
858 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
859 saa_writel(SAA7134_RS_CONTROL(1),control);
860 } else {
861 saa_writel(SAA7134_RS_BA1(1),base);
862 saa_writel(SAA7134_RS_BA2(1),base);
863 saa_writel(SAA7134_RS_PITCH(1),bpl);
864 saa_writel(SAA7134_RS_CONTROL(1),control);
865 }
866
867 /* start dma */
868 dev->ovenable = 1;
869 saa7134_set_dmabits(dev);
870
871 return 0;
872 }
873
874 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
875 {
876 dev->ovenable = 0;
877 saa7134_set_dmabits(dev);
878 return 0;
879 }
880
881 /* ------------------------------------------------------------------ */
882
883 static int buffer_activate(struct saa7134_dev *dev,
884 struct saa7134_buf *buf,
885 struct saa7134_buf *next)
886 {
887 unsigned long base,control,bpl;
888 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
889
890 dprintk("buffer_activate buf=%p\n",buf);
891 buf->vb.state = STATE_ACTIVE;
892 buf->top_seen = 0;
893
894 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
895 V4L2_FIELD_HAS_BOTH(buf->vb.field));
896 if (buf->fmt->yuv)
897 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
898 else
899 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
900 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
901
902 /* DMA: setup channel 0 (= Video Task A0) */
903 base = saa7134_buffer_base(buf);
904 if (buf->fmt->planar)
905 bpl = buf->vb.width;
906 else
907 bpl = (buf->vb.width * buf->fmt->depth) / 8;
908 control = SAA7134_RS_CONTROL_BURST_16 |
909 SAA7134_RS_CONTROL_ME |
910 (buf->pt->dma >> 12);
911 if (buf->fmt->bswap)
912 control |= SAA7134_RS_CONTROL_BSWAP;
913 if (buf->fmt->wswap)
914 control |= SAA7134_RS_CONTROL_WSWAP;
915 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
916 /* interlaced */
917 saa_writel(SAA7134_RS_BA1(0),base);
918 saa_writel(SAA7134_RS_BA2(0),base+bpl);
919 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
920 } else {
921 /* non-interlaced */
922 saa_writel(SAA7134_RS_BA1(0),base);
923 saa_writel(SAA7134_RS_BA2(0),base);
924 saa_writel(SAA7134_RS_PITCH(0),bpl);
925 }
926 saa_writel(SAA7134_RS_CONTROL(0),control);
927
928 if (buf->fmt->planar) {
929 /* DMA: setup channel 4+5 (= planar task A) */
930 bpl_uv = bpl >> buf->fmt->hshift;
931 lines_uv = buf->vb.height >> buf->fmt->vshift;
932 base2 = base + bpl * buf->vb.height;
933 base3 = base2 + bpl_uv * lines_uv;
934 if (buf->fmt->uvswap)
935 tmp = base2, base2 = base3, base3 = tmp;
936 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
937 bpl_uv,lines_uv,base2,base3);
938 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
939 /* interlaced */
940 saa_writel(SAA7134_RS_BA1(4),base2);
941 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
942 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
943 saa_writel(SAA7134_RS_BA1(5),base3);
944 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
945 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
946 } else {
947 /* non-interlaced */
948 saa_writel(SAA7134_RS_BA1(4),base2);
949 saa_writel(SAA7134_RS_BA2(4),base2);
950 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
951 saa_writel(SAA7134_RS_BA1(5),base3);
952 saa_writel(SAA7134_RS_BA2(5),base3);
953 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
954 }
955 saa_writel(SAA7134_RS_CONTROL(4),control);
956 saa_writel(SAA7134_RS_CONTROL(5),control);
957 }
958
959 /* start DMA */
960 saa7134_set_dmabits(dev);
961 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
962 return 0;
963 }
964
965 static int buffer_prepare(struct videobuf_queue *q,
966 struct videobuf_buffer *vb,
967 enum v4l2_field field)
968 {
969 struct saa7134_fh *fh = q->priv_data;
970 struct saa7134_dev *dev = fh->dev;
971 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
972 unsigned int size;
973 int err;
974
975 /* sanity checks */
976 if (NULL == fh->fmt)
977 return -EINVAL;
978 if (fh->width < 48 ||
979 fh->height < 32 ||
980 fh->width/4 > dev->crop_current.width ||
981 fh->height/4 > dev->crop_current.height ||
982 fh->width > dev->crop_bounds.width ||
983 fh->height > dev->crop_bounds.height)
984 return -EINVAL;
985 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
986 if (0 != buf->vb.baddr && buf->vb.bsize < size)
987 return -EINVAL;
988
989 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
990 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
991 fh->fmt->name);
992 if (buf->vb.width != fh->width ||
993 buf->vb.height != fh->height ||
994 buf->vb.size != size ||
995 buf->vb.field != field ||
996 buf->fmt != fh->fmt) {
997 saa7134_dma_free(dev,buf);
998 }
999
1000 if (STATE_NEEDS_INIT == buf->vb.state) {
1001 buf->vb.width = fh->width;
1002 buf->vb.height = fh->height;
1003 buf->vb.size = size;
1004 buf->vb.field = field;
1005 buf->fmt = fh->fmt;
1006 buf->pt = &fh->pt_cap;
1007
1008 err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf);
1009 if (err)
1010 goto oops;
1011 err = saa7134_pgtable_build(dev->pci,buf->pt,
1012 buf->vb.dma.sglist,
1013 buf->vb.dma.sglen,
1014 saa7134_buffer_startpage(buf));
1015 if (err)
1016 goto oops;
1017 }
1018 buf->vb.state = STATE_PREPARED;
1019 buf->activate = buffer_activate;
1020 return 0;
1021
1022 oops:
1023 saa7134_dma_free(dev,buf);
1024 return err;
1025 }
1026
1027 static int
1028 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1029 {
1030 struct saa7134_fh *fh = q->priv_data;
1031
1032 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1033 if (0 == *count)
1034 *count = gbuffers;
1035 *count = saa7134_buffer_count(*size,*count);
1036 return 0;
1037 }
1038
1039 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1040 {
1041 struct saa7134_fh *fh = q->priv_data;
1042 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1043
1044 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1045 }
1046
1047 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1048 {
1049 struct saa7134_fh *fh = q->priv_data;
1050 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1051
1052 saa7134_dma_free(fh->dev,buf);
1053 }
1054
1055 static struct videobuf_queue_ops video_qops = {
1056 .buf_setup = buffer_setup,
1057 .buf_prepare = buffer_prepare,
1058 .buf_queue = buffer_queue,
1059 .buf_release = buffer_release,
1060 };
1061
1062 /* ------------------------------------------------------------------ */
1063
1064 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1065 {
1066 const struct v4l2_queryctrl* ctrl;
1067
1068 ctrl = ctrl_by_id(c->id);
1069 if (NULL == ctrl)
1070 return -EINVAL;
1071 switch (c->id) {
1072 case V4L2_CID_BRIGHTNESS:
1073 c->value = dev->ctl_bright;
1074 break;
1075 case V4L2_CID_HUE:
1076 c->value = dev->ctl_hue;
1077 break;
1078 case V4L2_CID_CONTRAST:
1079 c->value = dev->ctl_contrast;
1080 break;
1081 case V4L2_CID_SATURATION:
1082 c->value = dev->ctl_saturation;
1083 break;
1084 case V4L2_CID_AUDIO_MUTE:
1085 c->value = dev->ctl_mute;
1086 break;
1087 case V4L2_CID_AUDIO_VOLUME:
1088 c->value = dev->ctl_volume;
1089 break;
1090 case V4L2_CID_PRIVATE_INVERT:
1091 c->value = dev->ctl_invert;
1092 break;
1093 case V4L2_CID_HFLIP:
1094 c->value = dev->ctl_mirror;
1095 break;
1096 case V4L2_CID_PRIVATE_Y_EVEN:
1097 c->value = dev->ctl_y_even;
1098 break;
1099 case V4L2_CID_PRIVATE_Y_ODD:
1100 c->value = dev->ctl_y_odd;
1101 break;
1102 case V4L2_CID_PRIVATE_AUTOMUTE:
1103 c->value = dev->ctl_automute;
1104 break;
1105 default:
1106 return -EINVAL;
1107 }
1108 return 0;
1109 }
1110
1111 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1112 struct v4l2_control *c)
1113 {
1114 const struct v4l2_queryctrl* ctrl;
1115 unsigned long flags;
1116 int restart_overlay = 0;
1117
1118 ctrl = ctrl_by_id(c->id);
1119 if (NULL == ctrl)
1120 return -EINVAL;
1121 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1122 switch (ctrl->type) {
1123 case V4L2_CTRL_TYPE_BOOLEAN:
1124 case V4L2_CTRL_TYPE_MENU:
1125 case V4L2_CTRL_TYPE_INTEGER:
1126 if (c->value < ctrl->minimum)
1127 c->value = ctrl->minimum;
1128 if (c->value > ctrl->maximum)
1129 c->value = ctrl->maximum;
1130 break;
1131 default:
1132 /* nothing */;
1133 };
1134 switch (c->id) {
1135 case V4L2_CID_BRIGHTNESS:
1136 dev->ctl_bright = c->value;
1137 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1138 break;
1139 case V4L2_CID_HUE:
1140 dev->ctl_hue = c->value;
1141 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1142 break;
1143 case V4L2_CID_CONTRAST:
1144 dev->ctl_contrast = c->value;
1145 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1146 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1147 break;
1148 case V4L2_CID_SATURATION:
1149 dev->ctl_saturation = c->value;
1150 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1151 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1152 break;
1153 case V4L2_CID_AUDIO_MUTE:
1154 dev->ctl_mute = c->value;
1155 saa7134_tvaudio_setmute(dev);
1156 break;
1157 case V4L2_CID_AUDIO_VOLUME:
1158 dev->ctl_volume = c->value;
1159 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1160 break;
1161 case V4L2_CID_PRIVATE_INVERT:
1162 dev->ctl_invert = c->value;
1163 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1164 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1165 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1166 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1167 break;
1168 case V4L2_CID_HFLIP:
1169 dev->ctl_mirror = c->value;
1170 restart_overlay = 1;
1171 break;
1172 case V4L2_CID_PRIVATE_Y_EVEN:
1173 dev->ctl_y_even = c->value;
1174 restart_overlay = 1;
1175 break;
1176 case V4L2_CID_PRIVATE_Y_ODD:
1177 dev->ctl_y_odd = c->value;
1178 restart_overlay = 1;
1179 break;
1180 case V4L2_CID_PRIVATE_AUTOMUTE:
1181 dev->ctl_automute = c->value;
1182 if (dev->tda9887_conf) {
1183 if (dev->ctl_automute)
1184 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1185 else
1186 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1187 saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1188 &dev->tda9887_conf);
1189 }
1190 break;
1191 default:
1192 return -EINVAL;
1193 }
1194 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1195 spin_lock_irqsave(&dev->slock,flags);
1196 stop_preview(dev,fh);
1197 start_preview(dev,fh);
1198 spin_unlock_irqrestore(&dev->slock,flags);
1199 }
1200 return 0;
1201 }
1202
1203 /* ------------------------------------------------------------------ */
1204
1205 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1206 {
1207 struct videobuf_queue* q = NULL;
1208
1209 switch (fh->type) {
1210 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1211 q = &fh->cap;
1212 break;
1213 case V4L2_BUF_TYPE_VBI_CAPTURE:
1214 q = &fh->vbi;
1215 break;
1216 default:
1217 BUG();
1218 }
1219 return q;
1220 }
1221
1222 static int saa7134_resource(struct saa7134_fh *fh)
1223 {
1224 int res = 0;
1225
1226 switch (fh->type) {
1227 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1228 res = RESOURCE_VIDEO;
1229 break;
1230 case V4L2_BUF_TYPE_VBI_CAPTURE:
1231 res = RESOURCE_VBI;
1232 break;
1233 default:
1234 BUG();
1235 }
1236 return res;
1237 }
1238
1239 static int video_open(struct inode *inode, struct file *file)
1240 {
1241 int minor = iminor(inode);
1242 struct saa7134_dev *h,*dev = NULL;
1243 struct saa7134_fh *fh;
1244 struct list_head *list;
1245 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1246 int radio = 0;
1247 list_for_each(list,&saa7134_devlist) {
1248 h = list_entry(list, struct saa7134_dev, devlist);
1249 if (h->video_dev && (h->video_dev->minor == minor))
1250 dev = h;
1251 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1252 radio = 1;
1253 dev = h;
1254 }
1255 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1256 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1257 dev = h;
1258 }
1259 }
1260 if (NULL == dev)
1261 return -ENODEV;
1262
1263 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1264 v4l2_type_names[type]);
1265
1266 /* allocate + initialize per filehandle data */
1267 fh = kmalloc(sizeof(*fh),GFP_KERNEL);
1268 if (NULL == fh)
1269 return -ENOMEM;
1270 memset(fh,0,sizeof(*fh));
1271 file->private_data = fh;
1272 fh->dev = dev;
1273 fh->radio = radio;
1274 fh->type = type;
1275 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1276 fh->width = 720;
1277 fh->height = 576;
1278 v4l2_prio_open(&dev->prio,&fh->prio);
1279
1280 videobuf_queue_init(&fh->cap, &video_qops,
1281 dev->pci, &dev->slock,
1282 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1283 V4L2_FIELD_INTERLACED,
1284 sizeof(struct saa7134_buf),
1285 fh);
1286 videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1287 dev->pci, &dev->slock,
1288 V4L2_BUF_TYPE_VBI_CAPTURE,
1289 V4L2_FIELD_SEQ_TB,
1290 sizeof(struct saa7134_buf),
1291 fh);
1292 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1293 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1294
1295 if (fh->radio) {
1296 /* switch to radio mode */
1297 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1298 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1299 } else {
1300 /* switch to video/vbi mode */
1301 video_mux(dev,dev->ctl_input);
1302 }
1303 return 0;
1304 }
1305
1306 static ssize_t
1307 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1308 {
1309 struct saa7134_fh *fh = file->private_data;
1310
1311 switch (fh->type) {
1312 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1313 if (res_locked(fh->dev,RESOURCE_VIDEO))
1314 return -EBUSY;
1315 return videobuf_read_one(saa7134_queue(fh),
1316 data, count, ppos,
1317 file->f_flags & O_NONBLOCK);
1318 case V4L2_BUF_TYPE_VBI_CAPTURE:
1319 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1320 return -EBUSY;
1321 return videobuf_read_stream(saa7134_queue(fh),
1322 data, count, ppos, 1,
1323 file->f_flags & O_NONBLOCK);
1324 break;
1325 default:
1326 BUG();
1327 return 0;
1328 }
1329 }
1330
1331 static unsigned int
1332 video_poll(struct file *file, struct poll_table_struct *wait)
1333 {
1334 struct saa7134_fh *fh = file->private_data;
1335 struct videobuf_buffer *buf = NULL;
1336
1337 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1338 return videobuf_poll_stream(file, &fh->vbi, wait);
1339
1340 if (res_check(fh,RESOURCE_VIDEO)) {
1341 if (!list_empty(&fh->cap.stream))
1342 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1343 } else {
1344 down(&fh->cap.lock);
1345 if (UNSET == fh->cap.read_off) {
1346 /* need to capture a new frame */
1347 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1348 up(&fh->cap.lock);
1349 return POLLERR;
1350 }
1351 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1352 up(&fh->cap.lock);
1353 return POLLERR;
1354 }
1355 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1356 fh->cap.read_off = 0;
1357 }
1358 up(&fh->cap.lock);
1359 buf = fh->cap.read_buf;
1360 }
1361
1362 if (!buf)
1363 return POLLERR;
1364
1365 poll_wait(file, &buf->done, wait);
1366 if (buf->state == STATE_DONE ||
1367 buf->state == STATE_ERROR)
1368 return POLLIN|POLLRDNORM;
1369 return 0;
1370 }
1371
1372 static int video_release(struct inode *inode, struct file *file)
1373 {
1374 struct saa7134_fh *fh = file->private_data;
1375 struct saa7134_dev *dev = fh->dev;
1376 unsigned long flags;
1377
1378 /* turn off overlay */
1379 if (res_check(fh, RESOURCE_OVERLAY)) {
1380 spin_lock_irqsave(&dev->slock,flags);
1381 stop_preview(dev,fh);
1382 spin_unlock_irqrestore(&dev->slock,flags);
1383 res_free(dev,fh,RESOURCE_OVERLAY);
1384 }
1385
1386 /* stop video capture */
1387 if (res_check(fh, RESOURCE_VIDEO)) {
1388 videobuf_streamoff(&fh->cap);
1389 res_free(dev,fh,RESOURCE_VIDEO);
1390 }
1391 if (fh->cap.read_buf) {
1392 buffer_release(&fh->cap,fh->cap.read_buf);
1393 kfree(fh->cap.read_buf);
1394 }
1395
1396 /* stop vbi capture */
1397 if (res_check(fh, RESOURCE_VBI)) {
1398 if (fh->vbi.streaming)
1399 videobuf_streamoff(&fh->vbi);
1400 if (fh->vbi.reading)
1401 videobuf_read_stop(&fh->vbi);
1402 res_free(dev,fh,RESOURCE_VBI);
1403 }
1404
1405 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1406 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1407 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1408 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1409 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1410
1411 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1412
1413 /* free stuff */
1414 videobuf_mmap_free(&fh->cap);
1415 videobuf_mmap_free(&fh->vbi);
1416 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1417 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1418
1419 v4l2_prio_close(&dev->prio,&fh->prio);
1420 file->private_data = NULL;
1421 kfree(fh);
1422 return 0;
1423 }
1424
1425 static int
1426 video_mmap(struct file *file, struct vm_area_struct * vma)
1427 {
1428 struct saa7134_fh *fh = file->private_data;
1429
1430 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1431 }
1432
1433 /* ------------------------------------------------------------------ */
1434
1435 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1436 {
1437 struct saa7134_tvnorm *norm = dev->tvnorm;
1438
1439 f->fmt.vbi.sampling_rate = 6750000 * 4;
1440 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1441 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1442 f->fmt.vbi.offset = 64 * 4;
1443 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1444 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1445 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1446 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1447 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1448
1449 }
1450
1451 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1452 struct v4l2_format *f)
1453 {
1454 switch (f->type) {
1455 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1456 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1457 f->fmt.pix.width = fh->width;
1458 f->fmt.pix.height = fh->height;
1459 f->fmt.pix.field = fh->cap.field;
1460 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1461 f->fmt.pix.bytesperline =
1462 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1463 f->fmt.pix.sizeimage =
1464 f->fmt.pix.height * f->fmt.pix.bytesperline;
1465 return 0;
1466 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1467 f->fmt.win = fh->win;
1468 return 0;
1469 case V4L2_BUF_TYPE_VBI_CAPTURE:
1470 saa7134_vbi_fmt(dev,f);
1471 return 0;
1472 default:
1473 return -EINVAL;
1474 }
1475 }
1476
1477 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1478 struct v4l2_format *f)
1479 {
1480 int err;
1481
1482 switch (f->type) {
1483 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1484 {
1485 struct saa7134_format *fmt;
1486 enum v4l2_field field;
1487 unsigned int maxw, maxh;
1488
1489 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1490 if (NULL == fmt)
1491 return -EINVAL;
1492
1493 field = f->fmt.pix.field;
1494 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1495 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1496
1497 if (V4L2_FIELD_ANY == field) {
1498 field = (f->fmt.pix.height > maxh/2)
1499 ? V4L2_FIELD_INTERLACED
1500 : V4L2_FIELD_BOTTOM;
1501 }
1502 switch (field) {
1503 case V4L2_FIELD_TOP:
1504 case V4L2_FIELD_BOTTOM:
1505 maxh = maxh / 2;
1506 break;
1507 case V4L2_FIELD_INTERLACED:
1508 break;
1509 default:
1510 return -EINVAL;
1511 }
1512
1513 f->fmt.pix.field = field;
1514 if (f->fmt.pix.width < 48)
1515 f->fmt.pix.width = 48;
1516 if (f->fmt.pix.height < 32)
1517 f->fmt.pix.height = 32;
1518 if (f->fmt.pix.width > maxw)
1519 f->fmt.pix.width = maxw;
1520 if (f->fmt.pix.height > maxh)
1521 f->fmt.pix.height = maxh;
1522 f->fmt.pix.width &= ~0x03;
1523 f->fmt.pix.bytesperline =
1524 (f->fmt.pix.width * fmt->depth) >> 3;
1525 f->fmt.pix.sizeimage =
1526 f->fmt.pix.height * f->fmt.pix.bytesperline;
1527
1528 return 0;
1529 }
1530 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1531 err = verify_preview(dev,&f->fmt.win);
1532 if (0 != err)
1533 return err;
1534 return 0;
1535 case V4L2_BUF_TYPE_VBI_CAPTURE:
1536 saa7134_vbi_fmt(dev,f);
1537 return 0;
1538 default:
1539 return -EINVAL;
1540 }
1541 }
1542
1543 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1544 struct v4l2_format *f)
1545 {
1546 unsigned long flags;
1547 int err;
1548
1549 switch (f->type) {
1550 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1551 err = saa7134_try_fmt(dev,fh,f);
1552 if (0 != err)
1553 return err;
1554
1555 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1556 fh->width = f->fmt.pix.width;
1557 fh->height = f->fmt.pix.height;
1558 fh->cap.field = f->fmt.pix.field;
1559 return 0;
1560 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1561 err = verify_preview(dev,&f->fmt.win);
1562 if (0 != err)
1563 return err;
1564
1565 down(&dev->lock);
1566 fh->win = f->fmt.win;
1567 fh->nclips = f->fmt.win.clipcount;
1568 if (fh->nclips > 8)
1569 fh->nclips = 8;
1570 if (copy_from_user(fh->clips,f->fmt.win.clips,
1571 sizeof(struct v4l2_clip)*fh->nclips)) {
1572 up(&dev->lock);
1573 return -EFAULT;
1574 }
1575
1576 if (res_check(fh, RESOURCE_OVERLAY)) {
1577 spin_lock_irqsave(&dev->slock,flags);
1578 stop_preview(dev,fh);
1579 start_preview(dev,fh);
1580 spin_unlock_irqrestore(&dev->slock,flags);
1581 }
1582 up(&dev->lock);
1583 return 0;
1584 case V4L2_BUF_TYPE_VBI_CAPTURE:
1585 saa7134_vbi_fmt(dev,f);
1586 return 0;
1587 default:
1588 return -EINVAL;
1589 }
1590 }
1591
1592 int saa7134_common_ioctl(struct saa7134_dev *dev,
1593 unsigned int cmd, void *arg)
1594 {
1595 int err;
1596
1597 switch (cmd) {
1598 case VIDIOC_QUERYCTRL:
1599 {
1600 const struct v4l2_queryctrl *ctrl;
1601 struct v4l2_queryctrl *c = arg;
1602
1603 if ((c->id < V4L2_CID_BASE ||
1604 c->id >= V4L2_CID_LASTP1) &&
1605 (c->id < V4L2_CID_PRIVATE_BASE ||
1606 c->id >= V4L2_CID_PRIVATE_LASTP1))
1607 return -EINVAL;
1608 ctrl = ctrl_by_id(c->id);
1609 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1610 return 0;
1611 }
1612 case VIDIOC_G_CTRL:
1613 return get_control(dev,arg);
1614 case VIDIOC_S_CTRL:
1615 {
1616 down(&dev->lock);
1617 err = set_control(dev,NULL,arg);
1618 up(&dev->lock);
1619 return err;
1620 }
1621 /* --- input switching --------------------------------------- */
1622 case VIDIOC_ENUMINPUT:
1623 {
1624 struct v4l2_input *i = arg;
1625 unsigned int n;
1626
1627 n = i->index;
1628 if (n >= SAA7134_INPUT_MAX)
1629 return -EINVAL;
1630 if (NULL == card_in(dev,i->index).name)
1631 return -EINVAL;
1632 memset(i,0,sizeof(*i));
1633 i->index = n;
1634 i->type = V4L2_INPUT_TYPE_CAMERA;
1635 strcpy(i->name,card_in(dev,n).name);
1636 if (card_in(dev,n).tv)
1637 i->type = V4L2_INPUT_TYPE_TUNER;
1638 i->audioset = 1;
1639 if (n == dev->ctl_input) {
1640 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1641 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1642
1643 if (0 != (v1 & 0x40))
1644 i->status |= V4L2_IN_ST_NO_H_LOCK;
1645 if (0 != (v2 & 0x40))
1646 i->status |= V4L2_IN_ST_NO_SYNC;
1647 if (0 != (v2 & 0x0e))
1648 i->status |= V4L2_IN_ST_MACROVISION;
1649 }
1650 for (n = 0; n < TVNORMS; n++)
1651 i->std |= tvnorms[n].id;
1652 return 0;
1653 }
1654 case VIDIOC_G_INPUT:
1655 {
1656 int *i = arg;
1657 *i = dev->ctl_input;
1658 return 0;
1659 }
1660 case VIDIOC_S_INPUT:
1661 {
1662 int *i = arg;
1663
1664 if (*i < 0 || *i >= SAA7134_INPUT_MAX)
1665 return -EINVAL;
1666 if (NULL == card_in(dev,*i).name)
1667 return -EINVAL;
1668 down(&dev->lock);
1669 video_mux(dev,*i);
1670 up(&dev->lock);
1671 return 0;
1672 }
1673
1674 }
1675 return 0;
1676 }
1677 EXPORT_SYMBOL(saa7134_common_ioctl);
1678
1679 /*
1680 * This function is _not_ called directly, but from
1681 * video_generic_ioctl (and maybe others). userspace
1682 * copying is done already, arg is a kernel pointer.
1683 */
1684 static int video_do_ioctl(struct inode *inode, struct file *file,
1685 unsigned int cmd, void *arg)
1686 {
1687 struct saa7134_fh *fh = file->private_data;
1688 struct saa7134_dev *dev = fh->dev;
1689 unsigned long flags;
1690 int err;
1691
1692 if (video_debug > 1)
1693 v4l_print_ioctl(dev->name,cmd);
1694
1695 switch (cmd) {
1696 case VIDIOC_S_CTRL:
1697 case VIDIOC_S_STD:
1698 case VIDIOC_S_INPUT:
1699 case VIDIOC_S_TUNER:
1700 case VIDIOC_S_FREQUENCY:
1701 err = v4l2_prio_check(&dev->prio,&fh->prio);
1702 if (0 != err)
1703 return err;
1704 }
1705
1706 switch (cmd) {
1707 case VIDIOC_QUERYCAP:
1708 {
1709 struct v4l2_capability *cap = arg;
1710 unsigned int tuner_type = dev->tuner_type;
1711
1712 memset(cap,0,sizeof(*cap));
1713 strcpy(cap->driver, "saa7134");
1714 strlcpy(cap->card, saa7134_boards[dev->board].name,
1715 sizeof(cap->card));
1716 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1717 cap->version = SAA7134_VERSION_CODE;
1718 cap->capabilities =
1719 V4L2_CAP_VIDEO_CAPTURE |
1720 V4L2_CAP_VIDEO_OVERLAY |
1721 V4L2_CAP_VBI_CAPTURE |
1722 V4L2_CAP_READWRITE |
1723 V4L2_CAP_STREAMING |
1724 V4L2_CAP_TUNER;
1725
1726 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1727 cap->capabilities &= ~V4L2_CAP_TUNER;
1728
1729 return 0;
1730 }
1731
1732 /* --- tv standards ------------------------------------------ */
1733 case VIDIOC_ENUMSTD:
1734 {
1735 struct v4l2_standard *e = arg;
1736 unsigned int i;
1737
1738 i = e->index;
1739 if (i >= TVNORMS)
1740 return -EINVAL;
1741 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1742 tvnorms[e->index].name);
1743 e->index = i;
1744 if (err < 0)
1745 return err;
1746 return 0;
1747 }
1748 case VIDIOC_G_STD:
1749 {
1750 v4l2_std_id *id = arg;
1751
1752 *id = dev->tvnorm->id;
1753 return 0;
1754 }
1755 case VIDIOC_S_STD:
1756 {
1757 v4l2_std_id *id = arg;
1758 unsigned int i;
1759
1760 for (i = 0; i < TVNORMS; i++)
1761 if (*id == tvnorms[i].id)
1762 break;
1763 if (i == TVNORMS)
1764 for (i = 0; i < TVNORMS; i++)
1765 if (*id & tvnorms[i].id)
1766 break;
1767 if (i == TVNORMS)
1768 return -EINVAL;
1769
1770 down(&dev->lock);
1771 if (res_check(fh, RESOURCE_OVERLAY)) {
1772 spin_lock_irqsave(&dev->slock,flags);
1773 stop_preview(dev,fh);
1774 set_tvnorm(dev,&tvnorms[i]);
1775 start_preview(dev,fh);
1776 spin_unlock_irqrestore(&dev->slock,flags);
1777 } else
1778 set_tvnorm(dev,&tvnorms[i]);
1779 saa7134_tvaudio_do_scan(dev);
1780 up(&dev->lock);
1781 return 0;
1782 }
1783
1784 case VIDIOC_CROPCAP:
1785 {
1786 struct v4l2_cropcap *cap = arg;
1787
1788 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1789 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1790 return -EINVAL;
1791 cap->bounds = dev->crop_bounds;
1792 cap->defrect = dev->crop_defrect;
1793 cap->pixelaspect.numerator = 1;
1794 cap->pixelaspect.denominator = 1;
1795 if (dev->tvnorm->id & V4L2_STD_525_60) {
1796 cap->pixelaspect.numerator = 11;
1797 cap->pixelaspect.denominator = 10;
1798 }
1799 if (dev->tvnorm->id & V4L2_STD_625_50) {
1800 cap->pixelaspect.numerator = 54;
1801 cap->pixelaspect.denominator = 59;
1802 }
1803 return 0;
1804 }
1805
1806 case VIDIOC_G_CROP:
1807 {
1808 struct v4l2_crop * crop = arg;
1809
1810 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1811 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1812 return -EINVAL;
1813 crop->c = dev->crop_current;
1814 return 0;
1815 }
1816 case VIDIOC_S_CROP:
1817 {
1818 struct v4l2_crop *crop = arg;
1819 struct v4l2_rect *b = &dev->crop_bounds;
1820
1821 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1822 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1823 return -EINVAL;
1824 if (crop->c.height < 0)
1825 return -EINVAL;
1826 if (crop->c.width < 0)
1827 return -EINVAL;
1828
1829 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1830 return -EBUSY;
1831 if (res_locked(fh->dev,RESOURCE_VIDEO))
1832 return -EBUSY;
1833
1834 if (crop->c.top < b->top)
1835 crop->c.top = b->top;
1836 if (crop->c.top > b->top + b->height)
1837 crop->c.top = b->top + b->height;
1838 if (crop->c.height > b->top - crop->c.top + b->height)
1839 crop->c.height = b->top - crop->c.top + b->height;
1840
1841 if (crop->c.left < b->left)
1842 crop->c.left = b->left;
1843 if (crop->c.left > b->left + b->width)
1844 crop->c.left = b->left + b->width;
1845 if (crop->c.width > b->left - crop->c.left + b->width)
1846 crop->c.width = b->left - crop->c.left + b->width;
1847
1848 dev->crop_current = crop->c;
1849 return 0;
1850 }
1851
1852 /* --- tuner ioctls ------------------------------------------ */
1853 case VIDIOC_G_TUNER:
1854 {
1855 struct v4l2_tuner *t = arg;
1856 int n;
1857
1858 if (0 != t->index)
1859 return -EINVAL;
1860 memset(t,0,sizeof(*t));
1861 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1862 if (card_in(dev,n).tv)
1863 break;
1864 if (NULL != card_in(dev,n).name) {
1865 strcpy(t->name, "Television");
1866 t->type = V4L2_TUNER_ANALOG_TV;
1867 t->capability = V4L2_TUNER_CAP_NORM |
1868 V4L2_TUNER_CAP_STEREO |
1869 V4L2_TUNER_CAP_LANG1 |
1870 V4L2_TUNER_CAP_LANG2;
1871 t->rangehigh = 0xffffffffUL;
1872 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1873 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1874 }
1875 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1876 t->signal = 0xffff;
1877 return 0;
1878 }
1879 case VIDIOC_S_TUNER:
1880 {
1881 struct v4l2_tuner *t = arg;
1882 int rx,mode;
1883
1884 mode = dev->thread.mode;
1885 if (UNSET == mode) {
1886 rx = saa7134_tvaudio_getstereo(dev);
1887 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1888 }
1889 if (mode != t->audmode) {
1890 dev->thread.mode = t->audmode;
1891 }
1892 return 0;
1893 }
1894 case VIDIOC_G_FREQUENCY:
1895 {
1896 struct v4l2_frequency *f = arg;
1897
1898 memset(f,0,sizeof(*f));
1899 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1900 f->frequency = dev->ctl_freq;
1901 return 0;
1902 }
1903 case VIDIOC_S_FREQUENCY:
1904 {
1905 struct v4l2_frequency *f = arg;
1906
1907 if (0 != f->tuner)
1908 return -EINVAL;
1909 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1910 return -EINVAL;
1911 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1912 return -EINVAL;
1913 down(&dev->lock);
1914 dev->ctl_freq = f->frequency;
1915
1916 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1917
1918 saa7134_tvaudio_do_scan(dev);
1919 up(&dev->lock);
1920 return 0;
1921 }
1922
1923 /* --- control ioctls ---------------------------------------- */
1924 case VIDIOC_ENUMINPUT:
1925 case VIDIOC_G_INPUT:
1926 case VIDIOC_S_INPUT:
1927 case VIDIOC_QUERYCTRL:
1928 case VIDIOC_G_CTRL:
1929 case VIDIOC_S_CTRL:
1930 return saa7134_common_ioctl(dev, cmd, arg);
1931
1932 case VIDIOC_G_AUDIO:
1933 {
1934 struct v4l2_audio *a = arg;
1935
1936 memset(a,0,sizeof(*a));
1937 strcpy(a->name,"audio");
1938 return 0;
1939 }
1940 case VIDIOC_S_AUDIO:
1941 return 0;
1942 case VIDIOC_G_PARM:
1943 {
1944 struct v4l2_captureparm *parm = arg;
1945 memset(parm,0,sizeof(*parm));
1946 return 0;
1947 }
1948
1949 case VIDIOC_G_PRIORITY:
1950 {
1951 enum v4l2_priority *p = arg;
1952
1953 *p = v4l2_prio_max(&dev->prio);
1954 return 0;
1955 }
1956 case VIDIOC_S_PRIORITY:
1957 {
1958 enum v4l2_priority *prio = arg;
1959
1960 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
1961 }
1962
1963 /* --- preview ioctls ---------------------------------------- */
1964 case VIDIOC_ENUM_FMT:
1965 {
1966 struct v4l2_fmtdesc *f = arg;
1967 enum v4l2_buf_type type;
1968 unsigned int index;
1969
1970 index = f->index;
1971 type = f->type;
1972 switch (type) {
1973 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1974 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1975 if (index >= FORMATS)
1976 return -EINVAL;
1977 if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
1978 formats[index].planar)
1979 return -EINVAL;
1980 memset(f,0,sizeof(*f));
1981 f->index = index;
1982 f->type = type;
1983 strlcpy(f->description,formats[index].name,sizeof(f->description));
1984 f->pixelformat = formats[index].fourcc;
1985 break;
1986 case V4L2_BUF_TYPE_VBI_CAPTURE:
1987 if (0 != index)
1988 return -EINVAL;
1989 memset(f,0,sizeof(*f));
1990 f->index = index;
1991 f->type = type;
1992 f->pixelformat = V4L2_PIX_FMT_GREY;
1993 strcpy(f->description,"vbi data");
1994 break;
1995 default:
1996 return -EINVAL;
1997 }
1998 return 0;
1999 }
2000 case VIDIOC_G_FBUF:
2001 {
2002 struct v4l2_framebuffer *fb = arg;
2003
2004 *fb = dev->ovbuf;
2005 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2006 return 0;
2007 }
2008 case VIDIOC_S_FBUF:
2009 {
2010 struct v4l2_framebuffer *fb = arg;
2011 struct saa7134_format *fmt;
2012
2013 if(!capable(CAP_SYS_ADMIN) &&
2014 !capable(CAP_SYS_RAWIO))
2015 return -EPERM;
2016
2017 /* check args */
2018 fmt = format_by_fourcc(fb->fmt.pixelformat);
2019 if (NULL == fmt)
2020 return -EINVAL;
2021
2022 /* ok, accept it */
2023 dev->ovbuf = *fb;
2024 dev->ovfmt = fmt;
2025 if (0 == dev->ovbuf.fmt.bytesperline)
2026 dev->ovbuf.fmt.bytesperline =
2027 dev->ovbuf.fmt.width*fmt->depth/8;
2028 return 0;
2029 }
2030 case VIDIOC_OVERLAY:
2031 {
2032 int *on = arg;
2033
2034 if (*on) {
2035 if (!res_get(dev,fh,RESOURCE_OVERLAY))
2036 return -EBUSY;
2037 spin_lock_irqsave(&dev->slock,flags);
2038 start_preview(dev,fh);
2039 spin_unlock_irqrestore(&dev->slock,flags);
2040 }
2041 if (!*on) {
2042 if (!res_check(fh, RESOURCE_OVERLAY))
2043 return -EINVAL;
2044 spin_lock_irqsave(&dev->slock,flags);
2045 stop_preview(dev,fh);
2046 spin_unlock_irqrestore(&dev->slock,flags);
2047 res_free(dev,fh,RESOURCE_OVERLAY);
2048 }
2049 return 0;
2050 }
2051
2052 /* --- capture ioctls ---------------------------------------- */
2053 case VIDIOC_G_FMT:
2054 {
2055 struct v4l2_format *f = arg;
2056 return saa7134_g_fmt(dev,fh,f);
2057 }
2058 case VIDIOC_S_FMT:
2059 {
2060 struct v4l2_format *f = arg;
2061 return saa7134_s_fmt(dev,fh,f);
2062 }
2063 case VIDIOC_TRY_FMT:
2064 {
2065 struct v4l2_format *f = arg;
2066 return saa7134_try_fmt(dev,fh,f);
2067 }
2068 #ifdef HAVE_V4L1
2069 case VIDIOCGMBUF:
2070 {
2071 struct video_mbuf *mbuf = arg;
2072 struct videobuf_queue *q;
2073 struct v4l2_requestbuffers req;
2074 unsigned int i;
2075
2076 q = saa7134_queue(fh);
2077 memset(&req,0,sizeof(req));
2078 req.type = q->type;
2079 req.count = gbuffers;
2080 req.memory = V4L2_MEMORY_MMAP;
2081 err = videobuf_reqbufs(q,&req);
2082 if (err < 0)
2083 return err;
2084 memset(mbuf,0,sizeof(*mbuf));
2085 mbuf->frames = req.count;
2086 mbuf->size = 0;
2087 for (i = 0; i < mbuf->frames; i++) {
2088 mbuf->offsets[i] = q->bufs[i]->boff;
2089 mbuf->size += q->bufs[i]->bsize;
2090 }
2091 return 0;
2092 }
2093 #endif
2094 case VIDIOC_REQBUFS:
2095 return videobuf_reqbufs(saa7134_queue(fh),arg);
2096
2097 case VIDIOC_QUERYBUF:
2098 return videobuf_querybuf(saa7134_queue(fh),arg);
2099
2100 case VIDIOC_QBUF:
2101 return videobuf_qbuf(saa7134_queue(fh),arg);
2102
2103 case VIDIOC_DQBUF:
2104 return videobuf_dqbuf(saa7134_queue(fh),arg,
2105 file->f_flags & O_NONBLOCK);
2106
2107 case VIDIOC_STREAMON:
2108 {
2109 int res = saa7134_resource(fh);
2110
2111 if (!res_get(dev,fh,res))
2112 return -EBUSY;
2113 return videobuf_streamon(saa7134_queue(fh));
2114 }
2115 case VIDIOC_STREAMOFF:
2116 {
2117 int res = saa7134_resource(fh);
2118
2119 err = videobuf_streamoff(saa7134_queue(fh));
2120 if (err < 0)
2121 return err;
2122 res_free(dev,fh,res);
2123 return 0;
2124 }
2125
2126 default:
2127 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2128 video_do_ioctl);
2129 }
2130 return 0;
2131 }
2132
2133 static int video_ioctl(struct inode *inode, struct file *file,
2134 unsigned int cmd, unsigned long arg)
2135 {
2136 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2137 }
2138
2139 static int radio_do_ioctl(struct inode *inode, struct file *file,
2140 unsigned int cmd, void *arg)
2141 {
2142 struct saa7134_fh *fh = file->private_data;
2143 struct saa7134_dev *dev = fh->dev;
2144
2145 if (video_debug > 1)
2146 v4l_print_ioctl(dev->name,cmd);
2147 switch (cmd) {
2148 case VIDIOC_QUERYCAP:
2149 {
2150 struct v4l2_capability *cap = arg;
2151
2152 memset(cap,0,sizeof(*cap));
2153 strcpy(cap->driver, "saa7134");
2154 strlcpy(cap->card, saa7134_boards[dev->board].name,
2155 sizeof(cap->card));
2156 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2157 cap->version = SAA7134_VERSION_CODE;
2158 cap->capabilities = V4L2_CAP_TUNER;
2159 return 0;
2160 }
2161 case VIDIOC_G_TUNER:
2162 {
2163 struct v4l2_tuner *t = arg;
2164
2165 if (0 != t->index)
2166 return -EINVAL;
2167
2168 memset(t,0,sizeof(*t));
2169 strcpy(t->name, "Radio");
2170 t->type = V4L2_TUNER_RADIO;
2171
2172 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2173
2174 return 0;
2175 }
2176 case VIDIOC_S_TUNER:
2177 {
2178 struct v4l2_tuner *t = arg;
2179
2180 if (0 != t->index)
2181 return -EINVAL;
2182
2183 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2184
2185 return 0;
2186 }
2187 case VIDIOC_ENUMINPUT:
2188 {
2189 struct v4l2_input *i = arg;
2190
2191 if (i->index != 0)
2192 return -EINVAL;
2193 strcpy(i->name,"Radio");
2194 i->type = V4L2_INPUT_TYPE_TUNER;
2195 return 0;
2196 }
2197 case VIDIOC_G_INPUT:
2198 {
2199 int *i = arg;
2200 *i = 0;
2201 return 0;
2202 }
2203 case VIDIOC_G_AUDIO:
2204 {
2205 struct v4l2_audio *a = arg;
2206
2207 memset(a,0,sizeof(*a));
2208 strcpy(a->name,"Radio");
2209 return 0;
2210 }
2211 case VIDIOC_G_STD:
2212 {
2213 v4l2_std_id *id = arg;
2214 *id = 0;
2215 return 0;
2216 }
2217 case VIDIOC_S_AUDIO:
2218 case VIDIOC_S_INPUT:
2219 case VIDIOC_S_STD:
2220 return 0;
2221
2222 case VIDIOC_QUERYCTRL:
2223 {
2224 const struct v4l2_queryctrl *ctrl;
2225 struct v4l2_queryctrl *c = arg;
2226
2227 if (c->id < V4L2_CID_BASE ||
2228 c->id >= V4L2_CID_LASTP1)
2229 return -EINVAL;
2230 if (c->id == V4L2_CID_AUDIO_MUTE) {
2231 ctrl = ctrl_by_id(c->id);
2232 *c = *ctrl;
2233 } else
2234 *c = no_ctrl;
2235 return 0;
2236 }
2237
2238 case VIDIOC_G_CTRL:
2239 case VIDIOC_S_CTRL:
2240 case VIDIOC_G_FREQUENCY:
2241 case VIDIOC_S_FREQUENCY:
2242 return video_do_ioctl(inode,file,cmd,arg);
2243
2244 default:
2245 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2246 radio_do_ioctl);
2247 }
2248 return 0;
2249 }
2250
2251 static int radio_ioctl(struct inode *inode, struct file *file,
2252 unsigned int cmd, unsigned long arg)
2253 {
2254 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2255 }
2256
2257 static struct file_operations video_fops =
2258 {
2259 .owner = THIS_MODULE,
2260 .open = video_open,
2261 .release = video_release,
2262 .read = video_read,
2263 .poll = video_poll,
2264 .mmap = video_mmap,
2265 .ioctl = video_ioctl,
2266 .compat_ioctl = v4l_compat_ioctl32,
2267 .llseek = no_llseek,
2268 };
2269
2270 static struct file_operations radio_fops =
2271 {
2272 .owner = THIS_MODULE,
2273 .open = video_open,
2274 .release = video_release,
2275 .ioctl = radio_ioctl,
2276 .compat_ioctl = v4l_compat_ioctl32,
2277 .llseek = no_llseek,
2278 };
2279
2280 /* ----------------------------------------------------------- */
2281 /* exported stuff */
2282
2283 struct video_device saa7134_video_template =
2284 {
2285 .name = "saa7134-video",
2286 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
2287 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2288 .hardware = 0,
2289 .fops = &video_fops,
2290 .minor = -1,
2291 };
2292
2293 struct video_device saa7134_vbi_template =
2294 {
2295 .name = "saa7134-vbi",
2296 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2297 .hardware = 0,
2298 .fops = &video_fops,
2299 .minor = -1,
2300 };
2301
2302 struct video_device saa7134_radio_template =
2303 {
2304 .name = "saa7134-radio",
2305 .type = VID_TYPE_TUNER,
2306 .hardware = 0,
2307 .fops = &radio_fops,
2308 .minor = -1,
2309 };
2310
2311 int saa7134_video_init1(struct saa7134_dev *dev)
2312 {
2313 /* sanitycheck insmod options */
2314 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2315 gbuffers = 2;
2316 if (gbufsize < 0 || gbufsize > gbufsize_max)
2317 gbufsize = gbufsize_max;
2318 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2319
2320 /* put some sensible defaults into the data structures ... */
2321 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2322 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2323 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2324 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2325 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2326 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2327 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2328 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2329
2330 if (dev->tda9887_conf && dev->ctl_automute)
2331 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2332 dev->automute = 0;
2333
2334 INIT_LIST_HEAD(&dev->video_q.queue);
2335 init_timer(&dev->video_q.timeout);
2336 dev->video_q.timeout.function = saa7134_buffer_timeout;
2337 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2338 dev->video_q.dev = dev;
2339
2340 if (saa7134_boards[dev->board].video_out) {
2341 /* enable video output */
2342 int vo = saa7134_boards[dev->board].video_out;
2343 int video_reg;
2344 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2345 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2346 video_reg = video_out[vo][1];
2347 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2348 video_reg &= ~VP_T_CODE_P_INVERTED;
2349 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2350 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2351 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2352 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2353 video_reg = video_out[vo][5];
2354 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2355 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2356 if (vid_port_opts & SET_CLOCK_INVERTED)
2357 video_reg |= VP_CLK_CTRL1_INVERTED;
2358 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2359 video_reg = video_out[vo][6];
2360 if (vid_port_opts & SET_VSYNC_OFF) {
2361 video_reg &= ~VP_VS_TYPE_MASK;
2362 video_reg |= VP_VS_TYPE_OFF;
2363 }
2364 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2365 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2366 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2367 }
2368
2369 return 0;
2370 }
2371
2372 int saa7134_video_init2(struct saa7134_dev *dev)
2373 {
2374 /* init video hw */
2375 set_tvnorm(dev,&tvnorms[0]);
2376 video_mux(dev,0);
2377 saa7134_tvaudio_setmute(dev);
2378 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2379 return 0;
2380 }
2381
2382 int saa7134_video_fini(struct saa7134_dev *dev)
2383 {
2384 /* nothing */
2385 return 0;
2386 }
2387
2388 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2389 {
2390 static const char *st[] = {
2391 "(no signal)", "NTSC", "PAL", "SECAM" };
2392 u32 st1,st2;
2393
2394 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2395 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2396 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2397 (st1 & 0x40) ? "not locked" : "locked",
2398 (st2 & 0x40) ? "no" : "yes",
2399 st[st1 & 0x03]);
2400 dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2401
2402 if (dev->nosignal) {
2403 /* no video signal -> mute audio */
2404 if (dev->ctl_automute)
2405 dev->automute = 1;
2406 saa7134_tvaudio_setmute(dev);
2407 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2408 } else {
2409 /* wake up tvaudio audio carrier scan thread */
2410 saa7134_tvaudio_do_scan(dev);
2411 if (!noninterlaced)
2412 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2413 }
2414 if (dev->mops && dev->mops->signal_change)
2415 dev->mops->signal_change(dev);
2416 }
2417
2418 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2419 {
2420 enum v4l2_field field;
2421
2422 spin_lock(&dev->slock);
2423 if (dev->video_q.curr) {
2424 dev->video_fieldcount++;
2425 field = dev->video_q.curr->vb.field;
2426 if (V4L2_FIELD_HAS_BOTH(field)) {
2427 /* make sure we have seen both fields */
2428 if ((status & 0x10) == 0x00) {
2429 dev->video_q.curr->top_seen = 1;
2430 goto done;
2431 }
2432 if (!dev->video_q.curr->top_seen)
2433 goto done;
2434 } else if (field == V4L2_FIELD_TOP) {
2435 if ((status & 0x10) != 0x10)
2436 goto done;
2437 } else if (field == V4L2_FIELD_BOTTOM) {
2438 if ((status & 0x10) != 0x00)
2439 goto done;
2440 }
2441 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2442 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2443 }
2444 saa7134_buffer_next(dev,&dev->video_q);
2445
2446 done:
2447 spin_unlock(&dev->slock);
2448 }
2449
2450 /* ----------------------------------------------------------- */
2451 /*
2452 * Local variables:
2453 * c-basic-offset: 8
2454 * End:
2455 */
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