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V4L/DVB (3485): BUG_ON() Conversion in drivers/video/media
[linux-2.6/cjktty.git] / drivers / media / video / saa7134 / saa7134-video.c
blob600c3c7e3dca9fcb99be9c4f73ac3667eeb32268
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 mutex_lock(&dev->lock);
464 if (dev->resources & bit) {
465 /* no, someone else uses it */
466 mutex_unlock(&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 mutex_unlock(&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 BUG_ON((fh->resources & bits) != bits);
493
494 mutex_lock(&dev->lock);
495 fh->resources &= ~bits;
496 dev->resources &= ~bits;
497 dprintk("res: put %d\n",bits);
498 mutex_unlock(&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 = kzalloc(sizeof(*fh),GFP_KERNEL);
1267 if (NULL == fh)
1268 return -ENOMEM;
1269 file->private_data = fh;
1270 fh->dev = dev;
1271 fh->radio = radio;
1272 fh->type = type;
1273 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1274 fh->width = 720;
1275 fh->height = 576;
1276 v4l2_prio_open(&dev->prio,&fh->prio);
1277
1278 videobuf_queue_init(&fh->cap, &video_qops,
1279 dev->pci, &dev->slock,
1280 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1281 V4L2_FIELD_INTERLACED,
1282 sizeof(struct saa7134_buf),
1283 fh);
1284 videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1285 dev->pci, &dev->slock,
1286 V4L2_BUF_TYPE_VBI_CAPTURE,
1287 V4L2_FIELD_SEQ_TB,
1288 sizeof(struct saa7134_buf),
1289 fh);
1290 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1291 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1292
1293 if (fh->radio) {
1294 /* switch to radio mode */
1295 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1296 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1297 } else {
1298 /* switch to video/vbi mode */
1299 video_mux(dev,dev->ctl_input);
1300 }
1301 return 0;
1302 }
1303
1304 static ssize_t
1305 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1306 {
1307 struct saa7134_fh *fh = file->private_data;
1308
1309 switch (fh->type) {
1310 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1311 if (res_locked(fh->dev,RESOURCE_VIDEO))
1312 return -EBUSY;
1313 return videobuf_read_one(saa7134_queue(fh),
1314 data, count, ppos,
1315 file->f_flags & O_NONBLOCK);
1316 case V4L2_BUF_TYPE_VBI_CAPTURE:
1317 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1318 return -EBUSY;
1319 return videobuf_read_stream(saa7134_queue(fh),
1320 data, count, ppos, 1,
1321 file->f_flags & O_NONBLOCK);
1322 break;
1323 default:
1324 BUG();
1325 return 0;
1326 }
1327 }
1328
1329 static unsigned int
1330 video_poll(struct file *file, struct poll_table_struct *wait)
1331 {
1332 struct saa7134_fh *fh = file->private_data;
1333 struct videobuf_buffer *buf = NULL;
1334
1335 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1336 return videobuf_poll_stream(file, &fh->vbi, wait);
1337
1338 if (res_check(fh,RESOURCE_VIDEO)) {
1339 if (!list_empty(&fh->cap.stream))
1340 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1341 } else {
1342 mutex_lock(&fh->cap.lock);
1343 if (UNSET == fh->cap.read_off) {
1344 /* need to capture a new frame */
1345 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1346 mutex_unlock(&fh->cap.lock);
1347 return POLLERR;
1348 }
1349 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1350 mutex_unlock(&fh->cap.lock);
1351 return POLLERR;
1352 }
1353 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1354 fh->cap.read_off = 0;
1355 }
1356 mutex_unlock(&fh->cap.lock);
1357 buf = fh->cap.read_buf;
1358 }
1359
1360 if (!buf)
1361 return POLLERR;
1362
1363 poll_wait(file, &buf->done, wait);
1364 if (buf->state == STATE_DONE ||
1365 buf->state == STATE_ERROR)
1366 return POLLIN|POLLRDNORM;
1367 return 0;
1368 }
1369
1370 static int video_release(struct inode *inode, struct file *file)
1371 {
1372 struct saa7134_fh *fh = file->private_data;
1373 struct saa7134_dev *dev = fh->dev;
1374 unsigned long flags;
1375
1376 /* turn off overlay */
1377 if (res_check(fh, RESOURCE_OVERLAY)) {
1378 spin_lock_irqsave(&dev->slock,flags);
1379 stop_preview(dev,fh);
1380 spin_unlock_irqrestore(&dev->slock,flags);
1381 res_free(dev,fh,RESOURCE_OVERLAY);
1382 }
1383
1384 /* stop video capture */
1385 if (res_check(fh, RESOURCE_VIDEO)) {
1386 videobuf_streamoff(&fh->cap);
1387 res_free(dev,fh,RESOURCE_VIDEO);
1388 }
1389 if (fh->cap.read_buf) {
1390 buffer_release(&fh->cap,fh->cap.read_buf);
1391 kfree(fh->cap.read_buf);
1392 }
1393
1394 /* stop vbi capture */
1395 if (res_check(fh, RESOURCE_VBI)) {
1396 if (fh->vbi.streaming)
1397 videobuf_streamoff(&fh->vbi);
1398 if (fh->vbi.reading)
1399 videobuf_read_stop(&fh->vbi);
1400 res_free(dev,fh,RESOURCE_VBI);
1401 }
1402
1403 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1404 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1405 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1406 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1407 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1408
1409 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1410
1411 /* free stuff */
1412 videobuf_mmap_free(&fh->cap);
1413 videobuf_mmap_free(&fh->vbi);
1414 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1415 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1416
1417 v4l2_prio_close(&dev->prio,&fh->prio);
1418 file->private_data = NULL;
1419 kfree(fh);
1420 return 0;
1421 }
1422
1423 static int
1424 video_mmap(struct file *file, struct vm_area_struct * vma)
1425 {
1426 struct saa7134_fh *fh = file->private_data;
1427
1428 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1429 }
1430
1431 /* ------------------------------------------------------------------ */
1432
1433 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1434 {
1435 struct saa7134_tvnorm *norm = dev->tvnorm;
1436
1437 f->fmt.vbi.sampling_rate = 6750000 * 4;
1438 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1439 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1440 f->fmt.vbi.offset = 64 * 4;
1441 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1442 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1443 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1444 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1445 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1446
1447 }
1448
1449 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1450 struct v4l2_format *f)
1451 {
1452 switch (f->type) {
1453 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1454 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1455 f->fmt.pix.width = fh->width;
1456 f->fmt.pix.height = fh->height;
1457 f->fmt.pix.field = fh->cap.field;
1458 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1459 f->fmt.pix.bytesperline =
1460 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1461 f->fmt.pix.sizeimage =
1462 f->fmt.pix.height * f->fmt.pix.bytesperline;
1463 return 0;
1464 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1465 f->fmt.win = fh->win;
1466 return 0;
1467 case V4L2_BUF_TYPE_VBI_CAPTURE:
1468 saa7134_vbi_fmt(dev,f);
1469 return 0;
1470 default:
1471 return -EINVAL;
1472 }
1473 }
1474
1475 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1476 struct v4l2_format *f)
1477 {
1478 int err;
1479
1480 switch (f->type) {
1481 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1482 {
1483 struct saa7134_format *fmt;
1484 enum v4l2_field field;
1485 unsigned int maxw, maxh;
1486
1487 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1488 if (NULL == fmt)
1489 return -EINVAL;
1490
1491 field = f->fmt.pix.field;
1492 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1493 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1494
1495 if (V4L2_FIELD_ANY == field) {
1496 field = (f->fmt.pix.height > maxh/2)
1497 ? V4L2_FIELD_INTERLACED
1498 : V4L2_FIELD_BOTTOM;
1499 }
1500 switch (field) {
1501 case V4L2_FIELD_TOP:
1502 case V4L2_FIELD_BOTTOM:
1503 maxh = maxh / 2;
1504 break;
1505 case V4L2_FIELD_INTERLACED:
1506 break;
1507 default:
1508 return -EINVAL;
1509 }
1510
1511 f->fmt.pix.field = field;
1512 if (f->fmt.pix.width < 48)
1513 f->fmt.pix.width = 48;
1514 if (f->fmt.pix.height < 32)
1515 f->fmt.pix.height = 32;
1516 if (f->fmt.pix.width > maxw)
1517 f->fmt.pix.width = maxw;
1518 if (f->fmt.pix.height > maxh)
1519 f->fmt.pix.height = maxh;
1520 f->fmt.pix.width &= ~0x03;
1521 f->fmt.pix.bytesperline =
1522 (f->fmt.pix.width * fmt->depth) >> 3;
1523 f->fmt.pix.sizeimage =
1524 f->fmt.pix.height * f->fmt.pix.bytesperline;
1525
1526 return 0;
1527 }
1528 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1529 err = verify_preview(dev,&f->fmt.win);
1530 if (0 != err)
1531 return err;
1532 return 0;
1533 case V4L2_BUF_TYPE_VBI_CAPTURE:
1534 saa7134_vbi_fmt(dev,f);
1535 return 0;
1536 default:
1537 return -EINVAL;
1538 }
1539 }
1540
1541 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1542 struct v4l2_format *f)
1543 {
1544 unsigned long flags;
1545 int err;
1546
1547 switch (f->type) {
1548 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1549 err = saa7134_try_fmt(dev,fh,f);
1550 if (0 != err)
1551 return err;
1552
1553 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1554 fh->width = f->fmt.pix.width;
1555 fh->height = f->fmt.pix.height;
1556 fh->cap.field = f->fmt.pix.field;
1557 return 0;
1558 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1559 err = verify_preview(dev,&f->fmt.win);
1560 if (0 != err)
1561 return err;
1562
1563 mutex_lock(&dev->lock);
1564 fh->win = f->fmt.win;
1565 fh->nclips = f->fmt.win.clipcount;
1566 if (fh->nclips > 8)
1567 fh->nclips = 8;
1568 if (copy_from_user(fh->clips,f->fmt.win.clips,
1569 sizeof(struct v4l2_clip)*fh->nclips)) {
1570 mutex_unlock(&dev->lock);
1571 return -EFAULT;
1572 }
1573
1574 if (res_check(fh, RESOURCE_OVERLAY)) {
1575 spin_lock_irqsave(&dev->slock,flags);
1576 stop_preview(dev,fh);
1577 start_preview(dev,fh);
1578 spin_unlock_irqrestore(&dev->slock,flags);
1579 }
1580 mutex_unlock(&dev->lock);
1581 return 0;
1582 case V4L2_BUF_TYPE_VBI_CAPTURE:
1583 saa7134_vbi_fmt(dev,f);
1584 return 0;
1585 default:
1586 return -EINVAL;
1587 }
1588 }
1589
1590 int saa7134_common_ioctl(struct saa7134_dev *dev,
1591 unsigned int cmd, void *arg)
1592 {
1593 int err;
1594
1595 switch (cmd) {
1596 case VIDIOC_QUERYCTRL:
1597 {
1598 const struct v4l2_queryctrl *ctrl;
1599 struct v4l2_queryctrl *c = arg;
1600
1601 if ((c->id < V4L2_CID_BASE ||
1602 c->id >= V4L2_CID_LASTP1) &&
1603 (c->id < V4L2_CID_PRIVATE_BASE ||
1604 c->id >= V4L2_CID_PRIVATE_LASTP1))
1605 return -EINVAL;
1606 ctrl = ctrl_by_id(c->id);
1607 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1608 return 0;
1609 }
1610 case VIDIOC_G_CTRL:
1611 return get_control(dev,arg);
1612 case VIDIOC_S_CTRL:
1613 {
1614 mutex_lock(&dev->lock);
1615 err = set_control(dev,NULL,arg);
1616 mutex_unlock(&dev->lock);
1617 return err;
1618 }
1619 /* --- input switching --------------------------------------- */
1620 case VIDIOC_ENUMINPUT:
1621 {
1622 struct v4l2_input *i = arg;
1623 unsigned int n;
1624
1625 n = i->index;
1626 if (n >= SAA7134_INPUT_MAX)
1627 return -EINVAL;
1628 if (NULL == card_in(dev,i->index).name)
1629 return -EINVAL;
1630 memset(i,0,sizeof(*i));
1631 i->index = n;
1632 i->type = V4L2_INPUT_TYPE_CAMERA;
1633 strcpy(i->name,card_in(dev,n).name);
1634 if (card_in(dev,n).tv)
1635 i->type = V4L2_INPUT_TYPE_TUNER;
1636 i->audioset = 1;
1637 if (n == dev->ctl_input) {
1638 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1639 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1640
1641 if (0 != (v1 & 0x40))
1642 i->status |= V4L2_IN_ST_NO_H_LOCK;
1643 if (0 != (v2 & 0x40))
1644 i->status |= V4L2_IN_ST_NO_SYNC;
1645 if (0 != (v2 & 0x0e))
1646 i->status |= V4L2_IN_ST_MACROVISION;
1647 }
1648 for (n = 0; n < TVNORMS; n++)
1649 i->std |= tvnorms[n].id;
1650 return 0;
1651 }
1652 case VIDIOC_G_INPUT:
1653 {
1654 int *i = arg;
1655 *i = dev->ctl_input;
1656 return 0;
1657 }
1658 case VIDIOC_S_INPUT:
1659 {
1660 int *i = arg;
1661
1662 if (*i < 0 || *i >= SAA7134_INPUT_MAX)
1663 return -EINVAL;
1664 if (NULL == card_in(dev,*i).name)
1665 return -EINVAL;
1666 mutex_lock(&dev->lock);
1667 video_mux(dev,*i);
1668 mutex_unlock(&dev->lock);
1669 return 0;
1670 }
1671
1672 }
1673 return 0;
1674 }
1675 EXPORT_SYMBOL(saa7134_common_ioctl);
1676
1677 /*
1678 * This function is _not_ called directly, but from
1679 * video_generic_ioctl (and maybe others). userspace
1680 * copying is done already, arg is a kernel pointer.
1681 */
1682 static int video_do_ioctl(struct inode *inode, struct file *file,
1683 unsigned int cmd, void *arg)
1684 {
1685 struct saa7134_fh *fh = file->private_data;
1686 struct saa7134_dev *dev = fh->dev;
1687 unsigned long flags;
1688 int err;
1689
1690 if (video_debug > 1)
1691 v4l_print_ioctl(dev->name,cmd);
1692
1693 switch (cmd) {
1694 case VIDIOC_S_CTRL:
1695 case VIDIOC_S_STD:
1696 case VIDIOC_S_INPUT:
1697 case VIDIOC_S_TUNER:
1698 case VIDIOC_S_FREQUENCY:
1699 err = v4l2_prio_check(&dev->prio,&fh->prio);
1700 if (0 != err)
1701 return err;
1702 }
1703
1704 switch (cmd) {
1705 case VIDIOC_QUERYCAP:
1706 {
1707 struct v4l2_capability *cap = arg;
1708 unsigned int tuner_type = dev->tuner_type;
1709
1710 memset(cap,0,sizeof(*cap));
1711 strcpy(cap->driver, "saa7134");
1712 strlcpy(cap->card, saa7134_boards[dev->board].name,
1713 sizeof(cap->card));
1714 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1715 cap->version = SAA7134_VERSION_CODE;
1716 cap->capabilities =
1717 V4L2_CAP_VIDEO_CAPTURE |
1718 V4L2_CAP_VIDEO_OVERLAY |
1719 V4L2_CAP_VBI_CAPTURE |
1720 V4L2_CAP_READWRITE |
1721 V4L2_CAP_STREAMING |
1722 V4L2_CAP_TUNER;
1723
1724 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1725 cap->capabilities &= ~V4L2_CAP_TUNER;
1726
1727 return 0;
1728 }
1729
1730 /* --- tv standards ------------------------------------------ */
1731 case VIDIOC_ENUMSTD:
1732 {
1733 struct v4l2_standard *e = arg;
1734 unsigned int i;
1735
1736 i = e->index;
1737 if (i >= TVNORMS)
1738 return -EINVAL;
1739 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1740 tvnorms[e->index].name);
1741 e->index = i;
1742 if (err < 0)
1743 return err;
1744 return 0;
1745 }
1746 case VIDIOC_G_STD:
1747 {
1748 v4l2_std_id *id = arg;
1749
1750 *id = dev->tvnorm->id;
1751 return 0;
1752 }
1753 case VIDIOC_S_STD:
1754 {
1755 v4l2_std_id *id = arg;
1756 unsigned int i;
1757
1758 for (i = 0; i < TVNORMS; i++)
1759 if (*id == tvnorms[i].id)
1760 break;
1761 if (i == TVNORMS)
1762 for (i = 0; i < TVNORMS; i++)
1763 if (*id & tvnorms[i].id)
1764 break;
1765 if (i == TVNORMS)
1766 return -EINVAL;
1767
1768 mutex_lock(&dev->lock);
1769 if (res_check(fh, RESOURCE_OVERLAY)) {
1770 spin_lock_irqsave(&dev->slock,flags);
1771 stop_preview(dev,fh);
1772 set_tvnorm(dev,&tvnorms[i]);
1773 start_preview(dev,fh);
1774 spin_unlock_irqrestore(&dev->slock,flags);
1775 } else
1776 set_tvnorm(dev,&tvnorms[i]);
1777 saa7134_tvaudio_do_scan(dev);
1778 mutex_unlock(&dev->lock);
1779 return 0;
1780 }
1781
1782 case VIDIOC_CROPCAP:
1783 {
1784 struct v4l2_cropcap *cap = arg;
1785
1786 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1787 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1788 return -EINVAL;
1789 cap->bounds = dev->crop_bounds;
1790 cap->defrect = dev->crop_defrect;
1791 cap->pixelaspect.numerator = 1;
1792 cap->pixelaspect.denominator = 1;
1793 if (dev->tvnorm->id & V4L2_STD_525_60) {
1794 cap->pixelaspect.numerator = 11;
1795 cap->pixelaspect.denominator = 10;
1796 }
1797 if (dev->tvnorm->id & V4L2_STD_625_50) {
1798 cap->pixelaspect.numerator = 54;
1799 cap->pixelaspect.denominator = 59;
1800 }
1801 return 0;
1802 }
1803
1804 case VIDIOC_G_CROP:
1805 {
1806 struct v4l2_crop * crop = arg;
1807
1808 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1809 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1810 return -EINVAL;
1811 crop->c = dev->crop_current;
1812 return 0;
1813 }
1814 case VIDIOC_S_CROP:
1815 {
1816 struct v4l2_crop *crop = arg;
1817 struct v4l2_rect *b = &dev->crop_bounds;
1818
1819 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1820 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1821 return -EINVAL;
1822 if (crop->c.height < 0)
1823 return -EINVAL;
1824 if (crop->c.width < 0)
1825 return -EINVAL;
1826
1827 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1828 return -EBUSY;
1829 if (res_locked(fh->dev,RESOURCE_VIDEO))
1830 return -EBUSY;
1831
1832 if (crop->c.top < b->top)
1833 crop->c.top = b->top;
1834 if (crop->c.top > b->top + b->height)
1835 crop->c.top = b->top + b->height;
1836 if (crop->c.height > b->top - crop->c.top + b->height)
1837 crop->c.height = b->top - crop->c.top + b->height;
1838
1839 if (crop->c.left < b->left)
1840 crop->c.left = b->left;
1841 if (crop->c.left > b->left + b->width)
1842 crop->c.left = b->left + b->width;
1843 if (crop->c.width > b->left - crop->c.left + b->width)
1844 crop->c.width = b->left - crop->c.left + b->width;
1845
1846 dev->crop_current = crop->c;
1847 return 0;
1848 }
1849
1850 /* --- tuner ioctls ------------------------------------------ */
1851 case VIDIOC_G_TUNER:
1852 {
1853 struct v4l2_tuner *t = arg;
1854 int n;
1855
1856 if (0 != t->index)
1857 return -EINVAL;
1858 memset(t,0,sizeof(*t));
1859 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1860 if (card_in(dev,n).tv)
1861 break;
1862 if (NULL != card_in(dev,n).name) {
1863 strcpy(t->name, "Television");
1864 t->type = V4L2_TUNER_ANALOG_TV;
1865 t->capability = V4L2_TUNER_CAP_NORM |
1866 V4L2_TUNER_CAP_STEREO |
1867 V4L2_TUNER_CAP_LANG1 |
1868 V4L2_TUNER_CAP_LANG2;
1869 t->rangehigh = 0xffffffffUL;
1870 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1871 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1872 }
1873 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1874 t->signal = 0xffff;
1875 return 0;
1876 }
1877 case VIDIOC_S_TUNER:
1878 {
1879 struct v4l2_tuner *t = arg;
1880 int rx,mode;
1881
1882 mode = dev->thread.mode;
1883 if (UNSET == mode) {
1884 rx = saa7134_tvaudio_getstereo(dev);
1885 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1886 }
1887 if (mode != t->audmode) {
1888 dev->thread.mode = t->audmode;
1889 }
1890 return 0;
1891 }
1892 case VIDIOC_G_FREQUENCY:
1893 {
1894 struct v4l2_frequency *f = arg;
1895
1896 memset(f,0,sizeof(*f));
1897 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1898 f->frequency = dev->ctl_freq;
1899 return 0;
1900 }
1901 case VIDIOC_S_FREQUENCY:
1902 {
1903 struct v4l2_frequency *f = arg;
1904
1905 if (0 != f->tuner)
1906 return -EINVAL;
1907 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1908 return -EINVAL;
1909 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1910 return -EINVAL;
1911 mutex_lock(&dev->lock);
1912 dev->ctl_freq = f->frequency;
1913
1914 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1915
1916 saa7134_tvaudio_do_scan(dev);
1917 mutex_unlock(&dev->lock);
1918 return 0;
1919 }
1920
1921 /* --- control ioctls ---------------------------------------- */
1922 case VIDIOC_ENUMINPUT:
1923 case VIDIOC_G_INPUT:
1924 case VIDIOC_S_INPUT:
1925 case VIDIOC_QUERYCTRL:
1926 case VIDIOC_G_CTRL:
1927 case VIDIOC_S_CTRL:
1928 return saa7134_common_ioctl(dev, cmd, arg);
1929
1930 case VIDIOC_G_AUDIO:
1931 {
1932 struct v4l2_audio *a = arg;
1933
1934 memset(a,0,sizeof(*a));
1935 strcpy(a->name,"audio");
1936 return 0;
1937 }
1938 case VIDIOC_S_AUDIO:
1939 return 0;
1940 case VIDIOC_G_PARM:
1941 {
1942 struct v4l2_captureparm *parm = arg;
1943 memset(parm,0,sizeof(*parm));
1944 return 0;
1945 }
1946
1947 case VIDIOC_G_PRIORITY:
1948 {
1949 enum v4l2_priority *p = arg;
1950
1951 *p = v4l2_prio_max(&dev->prio);
1952 return 0;
1953 }
1954 case VIDIOC_S_PRIORITY:
1955 {
1956 enum v4l2_priority *prio = arg;
1957
1958 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
1959 }
1960
1961 /* --- preview ioctls ---------------------------------------- */
1962 case VIDIOC_ENUM_FMT:
1963 {
1964 struct v4l2_fmtdesc *f = arg;
1965 enum v4l2_buf_type type;
1966 unsigned int index;
1967
1968 index = f->index;
1969 type = f->type;
1970 switch (type) {
1971 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1972 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1973 if (index >= FORMATS)
1974 return -EINVAL;
1975 if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
1976 formats[index].planar)
1977 return -EINVAL;
1978 memset(f,0,sizeof(*f));
1979 f->index = index;
1980 f->type = type;
1981 strlcpy(f->description,formats[index].name,sizeof(f->description));
1982 f->pixelformat = formats[index].fourcc;
1983 break;
1984 case V4L2_BUF_TYPE_VBI_CAPTURE:
1985 if (0 != index)
1986 return -EINVAL;
1987 memset(f,0,sizeof(*f));
1988 f->index = index;
1989 f->type = type;
1990 f->pixelformat = V4L2_PIX_FMT_GREY;
1991 strcpy(f->description,"vbi data");
1992 break;
1993 default:
1994 return -EINVAL;
1995 }
1996 return 0;
1997 }
1998 case VIDIOC_G_FBUF:
1999 {
2000 struct v4l2_framebuffer *fb = arg;
2001
2002 *fb = dev->ovbuf;
2003 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2004 return 0;
2005 }
2006 case VIDIOC_S_FBUF:
2007 {
2008 struct v4l2_framebuffer *fb = arg;
2009 struct saa7134_format *fmt;
2010
2011 if(!capable(CAP_SYS_ADMIN) &&
2012 !capable(CAP_SYS_RAWIO))
2013 return -EPERM;
2014
2015 /* check args */
2016 fmt = format_by_fourcc(fb->fmt.pixelformat);
2017 if (NULL == fmt)
2018 return -EINVAL;
2019
2020 /* ok, accept it */
2021 dev->ovbuf = *fb;
2022 dev->ovfmt = fmt;
2023 if (0 == dev->ovbuf.fmt.bytesperline)
2024 dev->ovbuf.fmt.bytesperline =
2025 dev->ovbuf.fmt.width*fmt->depth/8;
2026 return 0;
2027 }
2028 case VIDIOC_OVERLAY:
2029 {
2030 int *on = arg;
2031
2032 if (*on) {
2033 if (!res_get(dev,fh,RESOURCE_OVERLAY))
2034 return -EBUSY;
2035 spin_lock_irqsave(&dev->slock,flags);
2036 start_preview(dev,fh);
2037 spin_unlock_irqrestore(&dev->slock,flags);
2038 }
2039 if (!*on) {
2040 if (!res_check(fh, RESOURCE_OVERLAY))
2041 return -EINVAL;
2042 spin_lock_irqsave(&dev->slock,flags);
2043 stop_preview(dev,fh);
2044 spin_unlock_irqrestore(&dev->slock,flags);
2045 res_free(dev,fh,RESOURCE_OVERLAY);
2046 }
2047 return 0;
2048 }
2049
2050 /* --- capture ioctls ---------------------------------------- */
2051 case VIDIOC_G_FMT:
2052 {
2053 struct v4l2_format *f = arg;
2054 return saa7134_g_fmt(dev,fh,f);
2055 }
2056 case VIDIOC_S_FMT:
2057 {
2058 struct v4l2_format *f = arg;
2059 return saa7134_s_fmt(dev,fh,f);
2060 }
2061 case VIDIOC_TRY_FMT:
2062 {
2063 struct v4l2_format *f = arg;
2064 return saa7134_try_fmt(dev,fh,f);
2065 }
2066 #ifdef HAVE_V4L1
2067 case VIDIOCGMBUF:
2068 {
2069 struct video_mbuf *mbuf = arg;
2070 struct videobuf_queue *q;
2071 struct v4l2_requestbuffers req;
2072 unsigned int i;
2073
2074 q = saa7134_queue(fh);
2075 memset(&req,0,sizeof(req));
2076 req.type = q->type;
2077 req.count = gbuffers;
2078 req.memory = V4L2_MEMORY_MMAP;
2079 err = videobuf_reqbufs(q,&req);
2080 if (err < 0)
2081 return err;
2082 memset(mbuf,0,sizeof(*mbuf));
2083 mbuf->frames = req.count;
2084 mbuf->size = 0;
2085 for (i = 0; i < mbuf->frames; i++) {
2086 mbuf->offsets[i] = q->bufs[i]->boff;
2087 mbuf->size += q->bufs[i]->bsize;
2088 }
2089 return 0;
2090 }
2091 #endif
2092 case VIDIOC_REQBUFS:
2093 return videobuf_reqbufs(saa7134_queue(fh),arg);
2094
2095 case VIDIOC_QUERYBUF:
2096 return videobuf_querybuf(saa7134_queue(fh),arg);
2097
2098 case VIDIOC_QBUF:
2099 return videobuf_qbuf(saa7134_queue(fh),arg);
2100
2101 case VIDIOC_DQBUF:
2102 return videobuf_dqbuf(saa7134_queue(fh),arg,
2103 file->f_flags & O_NONBLOCK);
2104
2105 case VIDIOC_STREAMON:
2106 {
2107 int res = saa7134_resource(fh);
2108
2109 if (!res_get(dev,fh,res))
2110 return -EBUSY;
2111 return videobuf_streamon(saa7134_queue(fh));
2112 }
2113 case VIDIOC_STREAMOFF:
2114 {
2115 int res = saa7134_resource(fh);
2116
2117 err = videobuf_streamoff(saa7134_queue(fh));
2118 if (err < 0)
2119 return err;
2120 res_free(dev,fh,res);
2121 return 0;
2122 }
2123
2124 default:
2125 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2126 video_do_ioctl);
2127 }
2128 return 0;
2129 }
2130
2131 static int video_ioctl(struct inode *inode, struct file *file,
2132 unsigned int cmd, unsigned long arg)
2133 {
2134 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2135 }
2136
2137 static int radio_do_ioctl(struct inode *inode, struct file *file,
2138 unsigned int cmd, void *arg)
2139 {
2140 struct saa7134_fh *fh = file->private_data;
2141 struct saa7134_dev *dev = fh->dev;
2142
2143 if (video_debug > 1)
2144 v4l_print_ioctl(dev->name,cmd);
2145 switch (cmd) {
2146 case VIDIOC_QUERYCAP:
2147 {
2148 struct v4l2_capability *cap = arg;
2149
2150 memset(cap,0,sizeof(*cap));
2151 strcpy(cap->driver, "saa7134");
2152 strlcpy(cap->card, saa7134_boards[dev->board].name,
2153 sizeof(cap->card));
2154 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2155 cap->version = SAA7134_VERSION_CODE;
2156 cap->capabilities = V4L2_CAP_TUNER;
2157 return 0;
2158 }
2159 case VIDIOC_G_TUNER:
2160 {
2161 struct v4l2_tuner *t = arg;
2162
2163 if (0 != t->index)
2164 return -EINVAL;
2165
2166 memset(t,0,sizeof(*t));
2167 strcpy(t->name, "Radio");
2168 t->type = V4L2_TUNER_RADIO;
2169
2170 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2171
2172 return 0;
2173 }
2174 case VIDIOC_S_TUNER:
2175 {
2176 struct v4l2_tuner *t = arg;
2177
2178 if (0 != t->index)
2179 return -EINVAL;
2180
2181 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2182
2183 return 0;
2184 }
2185 case VIDIOC_ENUMINPUT:
2186 {
2187 struct v4l2_input *i = arg;
2188
2189 if (i->index != 0)
2190 return -EINVAL;
2191 strcpy(i->name,"Radio");
2192 i->type = V4L2_INPUT_TYPE_TUNER;
2193 return 0;
2194 }
2195 case VIDIOC_G_INPUT:
2196 {
2197 int *i = arg;
2198 *i = 0;
2199 return 0;
2200 }
2201 case VIDIOC_G_AUDIO:
2202 {
2203 struct v4l2_audio *a = arg;
2204
2205 memset(a,0,sizeof(*a));
2206 strcpy(a->name,"Radio");
2207 return 0;
2208 }
2209 case VIDIOC_G_STD:
2210 {
2211 v4l2_std_id *id = arg;
2212 *id = 0;
2213 return 0;
2214 }
2215 case VIDIOC_S_AUDIO:
2216 case VIDIOC_S_INPUT:
2217 case VIDIOC_S_STD:
2218 return 0;
2219
2220 case VIDIOC_QUERYCTRL:
2221 {
2222 const struct v4l2_queryctrl *ctrl;
2223 struct v4l2_queryctrl *c = arg;
2224
2225 if (c->id < V4L2_CID_BASE ||
2226 c->id >= V4L2_CID_LASTP1)
2227 return -EINVAL;
2228 if (c->id == V4L2_CID_AUDIO_MUTE) {
2229 ctrl = ctrl_by_id(c->id);
2230 *c = *ctrl;
2231 } else
2232 *c = no_ctrl;
2233 return 0;
2234 }
2235
2236 case VIDIOC_G_CTRL:
2237 case VIDIOC_S_CTRL:
2238 case VIDIOC_G_FREQUENCY:
2239 case VIDIOC_S_FREQUENCY:
2240 return video_do_ioctl(inode,file,cmd,arg);
2241
2242 default:
2243 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2244 radio_do_ioctl);
2245 }
2246 return 0;
2247 }
2248
2249 static int radio_ioctl(struct inode *inode, struct file *file,
2250 unsigned int cmd, unsigned long arg)
2251 {
2252 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2253 }
2254
2255 static struct file_operations video_fops =
2256 {
2257 .owner = THIS_MODULE,
2258 .open = video_open,
2259 .release = video_release,
2260 .read = video_read,
2261 .poll = video_poll,
2262 .mmap = video_mmap,
2263 .ioctl = video_ioctl,
2264 .compat_ioctl = v4l_compat_ioctl32,
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 .compat_ioctl = v4l_compat_ioctl32,
2275 .llseek = no_llseek,
2276 };
2277
2278 /* ----------------------------------------------------------- */
2279 /* exported stuff */
2280
2281 struct video_device saa7134_video_template =
2282 {
2283 .name = "saa7134-video",
2284 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
2285 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2286 .hardware = 0,
2287 .fops = &video_fops,
2288 .minor = -1,
2289 };
2290
2291 struct video_device saa7134_vbi_template =
2292 {
2293 .name = "saa7134-vbi",
2294 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2295 .hardware = 0,
2296 .fops = &video_fops,
2297 .minor = -1,
2298 };
2299
2300 struct video_device saa7134_radio_template =
2301 {
2302 .name = "saa7134-radio",
2303 .type = VID_TYPE_TUNER,
2304 .hardware = 0,
2305 .fops = &radio_fops,
2306 .minor = -1,
2307 };
2308
2309 int saa7134_video_init1(struct saa7134_dev *dev)
2310 {
2311 /* sanitycheck insmod options */
2312 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2313 gbuffers = 2;
2314 if (gbufsize < 0 || gbufsize > gbufsize_max)
2315 gbufsize = gbufsize_max;
2316 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2317
2318 /* put some sensible defaults into the data structures ... */
2319 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2320 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2321 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2322 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2323 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2324 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2325 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2326 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2327
2328 if (dev->tda9887_conf && dev->ctl_automute)
2329 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2330 dev->automute = 0;
2331
2332 INIT_LIST_HEAD(&dev->video_q.queue);
2333 init_timer(&dev->video_q.timeout);
2334 dev->video_q.timeout.function = saa7134_buffer_timeout;
2335 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2336 dev->video_q.dev = dev;
2337
2338 if (saa7134_boards[dev->board].video_out) {
2339 /* enable video output */
2340 int vo = saa7134_boards[dev->board].video_out;
2341 int video_reg;
2342 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2343 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2344 video_reg = video_out[vo][1];
2345 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2346 video_reg &= ~VP_T_CODE_P_INVERTED;
2347 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2348 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2349 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2350 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2351 video_reg = video_out[vo][5];
2352 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2353 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2354 if (vid_port_opts & SET_CLOCK_INVERTED)
2355 video_reg |= VP_CLK_CTRL1_INVERTED;
2356 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2357 video_reg = video_out[vo][6];
2358 if (vid_port_opts & SET_VSYNC_OFF) {
2359 video_reg &= ~VP_VS_TYPE_MASK;
2360 video_reg |= VP_VS_TYPE_OFF;
2361 }
2362 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2363 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2364 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2365 }
2366
2367 return 0;
2368 }
2369
2370 int saa7134_video_init2(struct saa7134_dev *dev)
2371 {
2372 /* init video hw */
2373 set_tvnorm(dev,&tvnorms[0]);
2374 video_mux(dev,0);
2375 saa7134_tvaudio_setmute(dev);
2376 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2377 return 0;
2378 }
2379
2380 int saa7134_video_fini(struct saa7134_dev *dev)
2381 {
2382 /* nothing */
2383 return 0;
2384 }
2385
2386 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2387 {
2388 static const char *st[] = {
2389 "(no signal)", "NTSC", "PAL", "SECAM" };
2390 u32 st1,st2;
2391
2392 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2393 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2394 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2395 (st1 & 0x40) ? "not locked" : "locked",
2396 (st2 & 0x40) ? "no" : "yes",
2397 st[st1 & 0x03]);
2398 dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2399
2400 if (dev->nosignal) {
2401 /* no video signal -> mute audio */
2402 if (dev->ctl_automute)
2403 dev->automute = 1;
2404 saa7134_tvaudio_setmute(dev);
2405 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2406 } else {
2407 /* wake up tvaudio audio carrier scan thread */
2408 saa7134_tvaudio_do_scan(dev);
2409 if (!noninterlaced)
2410 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2411 }
2412 if (dev->mops && dev->mops->signal_change)
2413 dev->mops->signal_change(dev);
2414 }
2415
2416 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2417 {
2418 enum v4l2_field field;
2419
2420 spin_lock(&dev->slock);
2421 if (dev->video_q.curr) {
2422 dev->video_fieldcount++;
2423 field = dev->video_q.curr->vb.field;
2424 if (V4L2_FIELD_HAS_BOTH(field)) {
2425 /* make sure we have seen both fields */
2426 if ((status & 0x10) == 0x00) {
2427 dev->video_q.curr->top_seen = 1;
2428 goto done;
2429 }
2430 if (!dev->video_q.curr->top_seen)
2431 goto done;
2432 } else if (field == V4L2_FIELD_TOP) {
2433 if ((status & 0x10) != 0x10)
2434 goto done;
2435 } else if (field == V4L2_FIELD_BOTTOM) {
2436 if ((status & 0x10) != 0x00)
2437 goto done;
2438 }
2439 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2440 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2441 }
2442 saa7134_buffer_next(dev,&dev->video_q);
2443
2444 done:
2445 spin_unlock(&dev->slock);
2446 }
2447
2448 /* ----------------------------------------------------------- */
2449 /*
2450 * Local variables:
2451 * c-basic-offset: 8
2452 * End:
2453 */
CJK support for tty framebuffer vt