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V4L/DVB (6252): Adapt drivers to use the newer videobuf modules
[deliverable/linux.git] / drivers / media / video / saa7134 / saa7134-video.c
CommitLineData
1da177e4 1/*
1da177e4
LT		 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>
1da177e4
LT		 26#include <linux/kernel.h>
27#include <linux/slab.h>
9040b32e 28#include <linux/sort.h>
1da177e4
LT		 29
30#include "saa7134-reg.h"
31#include "saa7134.h"
5e453dc7 32#include <media/v4l2-common.h>
1da177e4 33
cd41e28e 34#ifdef CONFIG_VIDEO_V4L1_COMPAT
79436633
MCC		 35/* Include V4L1 specific functions. Should be removed soon */
36#include <linux/videodev.h>
cd41e28e 37#endif
79436633 38
1da177e4
LT		 39/* ------------------------------------------------------------------ */
40
41static unsigned int video_debug = 0;
42static unsigned int gbuffers = 8;
d5fdd135 43static unsigned int noninterlaced = 1;
1da177e4
LT		 44static unsigned int gbufsize = 720*576*4;
45static unsigned int gbufsize_max = 720*576*4;
17b10a73 46static char secam[] = "--";
1da177e4
LT		 47module_param(video_debug, int, 0644);
48MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
49module_param(gbuffers, int, 0444);
50MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
51module_param(noninterlaced, int, 0644);
d5fdd135 52MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
17b10a73
HH		 53module_param_string(secam, secam, sizeof(secam), 0644);
54MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
55
1da177e4
LT		 56
57#define dprintk(fmt, arg...) if (video_debug) \
58 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
59
2f8d4f51
RB		 60/* ------------------------------------------------------------------ */
61/* Defines for Video Output Port Register at address 0x191 */
62
63/* Bit 0: VIP code T bit polarity */
64
65#define VP_T_CODE_P_NON_INVERTED 0x00
66#define VP_T_CODE_P_INVERTED 0x01
67
68/* ------------------------------------------------------------------ */
69/* Defines for Video Output Port Register at address 0x195 */
70
71/* Bit 2: Video output clock delay control */
72
73#define VP_CLK_CTRL2_NOT_DELAYED 0x00
74#define VP_CLK_CTRL2_DELAYED 0x04
75
76/* Bit 1: Video output clock invert control */
77
78#define VP_CLK_CTRL1_NON_INVERTED 0x00
79#define VP_CLK_CTRL1_INVERTED 0x02
80
81/* ------------------------------------------------------------------ */
82/* Defines for Video Output Port Register at address 0x196 */
83
84/* Bits 2 to 0: VSYNC pin video vertical sync type */
85
86#define VP_VS_TYPE_MASK 0x07
87
88#define VP_VS_TYPE_OFF 0x00
89#define VP_VS_TYPE_V123 0x01
90#define VP_VS_TYPE_V_ITU 0x02
91#define VP_VS_TYPE_VGATE_L 0x03
92#define VP_VS_TYPE_RESERVED1 0x04
93#define VP_VS_TYPE_RESERVED2 0x05
94#define VP_VS_TYPE_F_ITU 0x06
95#define VP_VS_TYPE_SC_FID 0x07
96
1da177e4
LT		 97/* ------------------------------------------------------------------ */
98/* data structs for video */
99
100static int video_out[][9] = {
101 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
102};
103
104static struct saa7134_format formats[] = {
105 {
106 .name = "8 bpp gray",
107 .fourcc = V4L2_PIX_FMT_GREY,
108 .depth = 8,
109 .pm = 0x06,
110 },{
111 .name = "15 bpp RGB, le",
112 .fourcc = V4L2_PIX_FMT_RGB555,
113 .depth = 16,
114 .pm = 0x13 | 0x80,
115 },{
116 .name = "15 bpp RGB, be",
117 .fourcc = V4L2_PIX_FMT_RGB555X,
118 .depth = 16,
119 .pm = 0x13 | 0x80,
120 .bswap = 1,
121 },{
122 .name = "16 bpp RGB, le",
123 .fourcc = V4L2_PIX_FMT_RGB565,
124 .depth = 16,
125 .pm = 0x10 | 0x80,
126 },{
127 .name = "16 bpp RGB, be",
128 .fourcc = V4L2_PIX_FMT_RGB565X,
129 .depth = 16,
130 .pm = 0x10 | 0x80,
131 .bswap = 1,
132 },{
133 .name = "24 bpp RGB, le",
134 .fourcc = V4L2_PIX_FMT_BGR24,
135 .depth = 24,
136 .pm = 0x11,
137 },{
138 .name = "24 bpp RGB, be",
139 .fourcc = V4L2_PIX_FMT_RGB24,
140 .depth = 24,
141 .pm = 0x11,
142 .bswap = 1,
143 },{
144 .name = "32 bpp RGB, le",
145 .fourcc = V4L2_PIX_FMT_BGR32,
146 .depth = 32,
147 .pm = 0x12,
148 },{
149 .name = "32 bpp RGB, be",
150 .fourcc = V4L2_PIX_FMT_RGB32,
151 .depth = 32,
152 .pm = 0x12,
153 .bswap = 1,
154 .wswap = 1,
155 },{
156 .name = "4:2:2 packed, YUYV",
157 .fourcc = V4L2_PIX_FMT_YUYV,
158 .depth = 16,
159 .pm = 0x00,
160 .bswap = 1,
161 .yuv = 1,
162 },{
163 .name = "4:2:2 packed, UYVY",
164 .fourcc = V4L2_PIX_FMT_UYVY,
165 .depth = 16,
166 .pm = 0x00,
167 .yuv = 1,
168 },{
169 .name = "4:2:2 planar, Y-Cb-Cr",
170 .fourcc = V4L2_PIX_FMT_YUV422P,
171 .depth = 16,
172 .pm = 0x09,
173 .yuv = 1,
174 .planar = 1,
175 .hshift = 1,
176 .vshift = 0,
177 },{
178 .name = "4:2:0 planar, Y-Cb-Cr",
179 .fourcc = V4L2_PIX_FMT_YUV420,
180 .depth = 12,
181 .pm = 0x0a,
182 .yuv = 1,
183 .planar = 1,
184 .hshift = 1,
185 .vshift = 1,
186 },{
187 .name = "4:2:0 planar, Y-Cb-Cr",
188 .fourcc = V4L2_PIX_FMT_YVU420,
189 .depth = 12,
190 .pm = 0x0a,
191 .yuv = 1,
192 .planar = 1,
193 .uvswap = 1,
194 .hshift = 1,
195 .vshift = 1,
196 }
197};
198#define FORMATS ARRAY_SIZE(formats)
199
200#define NORM_625_50 \
201 .h_start = 0, \
202 .h_stop = 719, \
203 .video_v_start = 24, \
204 .video_v_stop = 311, \
f246a817
MS		 205 .vbi_v_start_0 = 7, \
206 .vbi_v_stop_0 = 22, \
207 .vbi_v_start_1 = 319, \
1da177e4
LT		 208 .src_timing = 4
209
210#define NORM_525_60 \
211 .h_start = 0, \
212 .h_stop = 703, \
f246a817
MS		 213 .video_v_start = 23, \
214 .video_v_stop = 262, \
215 .vbi_v_start_0 = 10, \
216 .vbi_v_stop_0 = 21, \
217 .vbi_v_start_1 = 273, \
218 .src_timing = 7
1da177e4
LT		 219
220static struct saa7134_tvnorm tvnorms[] = {
221 {
222 .name = "PAL", /* autodetect */
223 .id = V4L2_STD_PAL,
224 NORM_625_50,
225
226 .sync_control = 0x18,
227 .luma_control = 0x40,
228 .chroma_ctrl1 = 0x81,
229 .chroma_gain = 0x2a,
230 .chroma_ctrl2 = 0x06,
231 .vgate_misc = 0x1c,
232
233 },{
234 .name = "PAL-BG",
235 .id = V4L2_STD_PAL_BG,
236 NORM_625_50,
237
238 .sync_control = 0x18,
239 .luma_control = 0x40,
240 .chroma_ctrl1 = 0x81,
241 .chroma_gain = 0x2a,
242 .chroma_ctrl2 = 0x06,
243 .vgate_misc = 0x1c,
244
245 },{
246 .name = "PAL-I",
247 .id = V4L2_STD_PAL_I,
248 NORM_625_50,
249
250 .sync_control = 0x18,
251 .luma_control = 0x40,
252 .chroma_ctrl1 = 0x81,
253 .chroma_gain = 0x2a,
254 .chroma_ctrl2 = 0x06,
255 .vgate_misc = 0x1c,
256
257 },{
258 .name = "PAL-DK",
259 .id = V4L2_STD_PAL_DK,
260 NORM_625_50,
261
262 .sync_control = 0x18,
263 .luma_control = 0x40,
264 .chroma_ctrl1 = 0x81,
265 .chroma_gain = 0x2a,
266 .chroma_ctrl2 = 0x06,
267 .vgate_misc = 0x1c,
268
269 },{
270 .name = "NTSC",
271 .id = V4L2_STD_NTSC,
272 NORM_525_60,
273
274 .sync_control = 0x59,
275 .luma_control = 0x40,
276 .chroma_ctrl1 = 0x89,
277 .chroma_gain = 0x2a,
278 .chroma_ctrl2 = 0x0e,
279 .vgate_misc = 0x18,
280
281 },{
282 .name = "SECAM",
283 .id = V4L2_STD_SECAM,
284 NORM_625_50,
285
17b10a73
HH		 286 .sync_control = 0x18,
287 .luma_control = 0x1b,
288 .chroma_ctrl1 = 0xd1,
289 .chroma_gain = 0x80,
290 .chroma_ctrl2 = 0x00,
291 .vgate_misc = 0x1c,
292
293 },{
294 .name = "SECAM-DK",
295 .id = V4L2_STD_SECAM_DK,
296 NORM_625_50,
297
298 .sync_control = 0x18,
299 .luma_control = 0x1b,
300 .chroma_ctrl1 = 0xd1,
301 .chroma_gain = 0x80,
302 .chroma_ctrl2 = 0x00,
303 .vgate_misc = 0x1c,
304
305 },{
306 .name = "SECAM-L",
307 .id = V4L2_STD_SECAM_L,
308 NORM_625_50,
309
310 .sync_control = 0x18,
311 .luma_control = 0x1b,
312 .chroma_ctrl1 = 0xd1,
313 .chroma_gain = 0x80,
314 .chroma_ctrl2 = 0x00,
315 .vgate_misc = 0x1c,
316
317 },{
318 .name = "SECAM-Lc",
319 .id = V4L2_STD_SECAM_LC,
320 NORM_625_50,
321
322 .sync_control = 0x18,
1da177e4
LT		 323 .luma_control = 0x1b,
324 .chroma_ctrl1 = 0xd1,
325 .chroma_gain = 0x80,
326 .chroma_ctrl2 = 0x00,
327 .vgate_misc = 0x1c,
328
329 },{
330 .name = "PAL-M",
331 .id = V4L2_STD_PAL_M,
332 NORM_525_60,
333
334 .sync_control = 0x59,
335 .luma_control = 0x40,
336 .chroma_ctrl1 = 0xb9,
337 .chroma_gain = 0x2a,
338 .chroma_ctrl2 = 0x0e,
339 .vgate_misc = 0x18,
340
341 },{
342 .name = "PAL-Nc",
343 .id = V4L2_STD_PAL_Nc,
344 NORM_625_50,
345
346 .sync_control = 0x18,
347 .luma_control = 0x40,
348 .chroma_ctrl1 = 0xa1,
349 .chroma_gain = 0x2a,
350 .chroma_ctrl2 = 0x06,
351 .vgate_misc = 0x1c,
352
353 },{
354 .name = "PAL-60",
355 .id = V4L2_STD_PAL_60,
356
357 .h_start = 0,
358 .h_stop = 719,
4ac97914
MCC		 359 .video_v_start = 23,
360 .video_v_stop = 262,
361 .vbi_v_start_0 = 10,
362 .vbi_v_stop_0 = 21,
363 .vbi_v_start_1 = 273,
364 .src_timing = 7,
1da177e4
LT		 365
366 .sync_control = 0x18,
367 .luma_control = 0x40,
368 .chroma_ctrl1 = 0x81,
369 .chroma_gain = 0x2a,
370 .chroma_ctrl2 = 0x06,
371 .vgate_misc = 0x1c,
372 }
373};
374#define TVNORMS ARRAY_SIZE(tvnorms)
375
376#define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
377#define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
378#define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
379#define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
380#define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
381
382static const struct v4l2_queryctrl no_ctrl = {
383 .name = "42",
384 .flags = V4L2_CTRL_FLAG_DISABLED,
385};
386static const struct v4l2_queryctrl video_ctrls[] = {
387 /* --- video --- */
388 {
389 .id = V4L2_CID_BRIGHTNESS,
390 .name = "Brightness",
391 .minimum = 0,
392 .maximum = 255,
393 .step = 1,
394 .default_value = 128,
395 .type = V4L2_CTRL_TYPE_INTEGER,
396 },{
397 .id = V4L2_CID_CONTRAST,
398 .name = "Contrast",
399 .minimum = 0,
400 .maximum = 127,
401 .step = 1,
402 .default_value = 68,
403 .type = V4L2_CTRL_TYPE_INTEGER,
404 },{
405 .id = V4L2_CID_SATURATION,
406 .name = "Saturation",
407 .minimum = 0,
408 .maximum = 127,
409 .step = 1,
410 .default_value = 64,
411 .type = V4L2_CTRL_TYPE_INTEGER,
412 },{
413 .id = V4L2_CID_HUE,
414 .name = "Hue",
415 .minimum = -128,
416 .maximum = 127,
417 .step = 1,
418 .default_value = 0,
419 .type = V4L2_CTRL_TYPE_INTEGER,
420 },{
f246a817
MS		 421 .id = V4L2_CID_HFLIP,
422 .name = "Mirror",
1da177e4
LT		 423 .minimum = 0,
424 .maximum = 1,
425 .type = V4L2_CTRL_TYPE_BOOLEAN,
426 },
427 /* --- audio --- */
428 {
429 .id = V4L2_CID_AUDIO_MUTE,
430 .name = "Mute",
431 .minimum = 0,
432 .maximum = 1,
433 .type = V4L2_CTRL_TYPE_BOOLEAN,
434 },{
435 .id = V4L2_CID_AUDIO_VOLUME,
436 .name = "Volume",
437 .minimum = -15,
438 .maximum = 15,
439 .step = 1,
440 .default_value = 0,
441 .type = V4L2_CTRL_TYPE_INTEGER,
442 },
443 /* --- private --- */
444 {
445 .id = V4L2_CID_PRIVATE_INVERT,
446 .name = "Invert",
447 .minimum = 0,
448 .maximum = 1,
449 .type = V4L2_CTRL_TYPE_BOOLEAN,
450 },{
451 .id = V4L2_CID_PRIVATE_Y_ODD,
452 .name = "y offset odd field",
453 .minimum = 0,
454 .maximum = 128,
455 .default_value = 0,
456 .type = V4L2_CTRL_TYPE_INTEGER,
457 },{
458 .id = V4L2_CID_PRIVATE_Y_EVEN,
459 .name = "y offset even field",
460 .minimum = 0,
461 .maximum = 128,
462 .default_value = 0,
463 .type = V4L2_CTRL_TYPE_INTEGER,
464 },{
465 .id = V4L2_CID_PRIVATE_AUTOMUTE,
466 .name = "automute",
467 .minimum = 0,
468 .maximum = 1,
469 .default_value = 1,
470 .type = V4L2_CTRL_TYPE_BOOLEAN,
471 }
472};
473static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
474
475static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
476{
477 unsigned int i;
478
479 for (i = 0; i < CTRLS; i++)
480 if (video_ctrls[i].id == id)
481 return video_ctrls+i;
482 return NULL;
483}
484
485static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
486{
487 unsigned int i;
488
489 for (i = 0; i < FORMATS; i++)
490 if (formats[i].fourcc == fourcc)
491 return formats+i;
492 return NULL;
493}
494
495/* ----------------------------------------------------------------------- */
496/* resource management */
497
498static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
499{
500 if (fh->resources & bit)
501 /* have it already allocated */
502 return 1;
503
504 /* is it free? */
3593cab5 505 mutex_lock(&dev->lock);
1da177e4
LT		 506 if (dev->resources & bit) {
507 /* no, someone else uses it */
3593cab5 508 mutex_unlock(&dev->lock);
1da177e4
LT		 509 return 0;
510 }
511 /* it's free, grab it */
512 fh->resources |= bit;
513 dev->resources |= bit;
514 dprintk("res: get %d\n",bit);
3593cab5 515 mutex_unlock(&dev->lock);
1da177e4
LT		 516 return 1;
517}
518
9040b32e 519static int res_check(struct saa7134_fh *fh, unsigned int bit)
1da177e4
LT		 520{
521 return (fh->resources & bit);
522}
523
9040b32e 524static int res_locked(struct saa7134_dev *dev, unsigned int bit)
1da177e4
LT		 525{
526 return (dev->resources & bit);
527}
528
529static
530void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
531{
ae24601b 532 BUG_ON((fh->resources & bits) != bits);
1da177e4 533
3593cab5 534 mutex_lock(&dev->lock);
1da177e4
LT		 535 fh->resources &= ~bits;
536 dev->resources &= ~bits;
537 dprintk("res: put %d\n",bits);
3593cab5 538 mutex_unlock(&dev->lock);
1da177e4
LT		 539}
540
541/* ------------------------------------------------------------------ */
542
543static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
544{
545 int luma_control,sync_control,mux;
546
547 dprintk("set tv norm = %s\n",norm->name);
548 dev->tvnorm = norm;
549
550 mux = card_in(dev,dev->ctl_input).vmux;
551 luma_control = norm->luma_control;
552 sync_control = norm->sync_control;
553
554 if (mux > 5)
555 luma_control |= 0x80; /* svideo */
556 if (noninterlaced || dev->nosignal)
557 sync_control |= 0x20;
558
559 /* setup cropping */
560 dev->crop_bounds.left = norm->h_start;
561 dev->crop_defrect.left = norm->h_start;
562 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
563 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
564
f246a817 565 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
1da177e4
LT		 566 dev->crop_defrect.top = norm->video_v_start*2;
567 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
568 - dev->crop_bounds.top;
569 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
570
571 dev->crop_current = dev->crop_defrect;
572
573 /* setup video decoder */
574 saa_writeb(SAA7134_INCR_DELAY, 0x08);
575 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
576 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
577
578 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
579 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
580 saa_writeb(SAA7134_HSYNC_START, 0xeb);
581 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
582 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
583
584 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
585 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
586 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
587 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, dev->ctl_contrast);
588
589 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
590 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
591 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
592 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
593
594 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
595 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
596
597 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
598 saa_writeb(SAA7134_VGATE_START, 0x11);
599 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
600 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
601 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
602 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
603
58ef4f92
HH		 604 /* only tell the tuner if this is a tv input */
605 if (card_in(dev,dev->ctl_input).tv) {
606 if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
607 && ((card(dev).tuner_config == 1)
608 || (card(dev).tuner_config == 2)))
609 saa7134_set_gpio(dev, 22, 5);
610 saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
611 }
1da177e4
LT		 612}
613
614static void video_mux(struct saa7134_dev *dev, int input)
615{
616 dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
617 dev->ctl_input = input;
618 set_tvnorm(dev,dev->tvnorm);
619 saa7134_tvaudio_setinput(dev,&card_in(dev,input));
620}
621
622static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
623{
624 static const struct {
625 int xpsc;
626 int xacl;
627 int xc2_1;
628 int xdcg;
629 int vpfy;
630 } vals[] = {
631 /* XPSC XACL XC2_1 XDCG VPFY */
632 { 1, 0, 0, 0, 0 },
633 { 2, 2, 1, 2, 2 },
634 { 3, 4, 1, 3, 2 },
635 { 4, 8, 1, 4, 2 },
636 { 5, 8, 1, 4, 2 },
637 { 6, 8, 1, 4, 3 },
638 { 7, 8, 1, 4, 3 },
639 { 8, 15, 0, 4, 3 },
640 { 9, 15, 0, 4, 3 },
641 { 10, 16, 1, 5, 3 },
642 };
643 static const int count = ARRAY_SIZE(vals);
644 int i;
645
646 for (i = 0; i < count; i++)
647 if (vals[i].xpsc == prescale)
648 break;
649 if (i == count)
650 return;
651
652 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
653 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
654 saa_writeb(SAA7134_LEVEL_CTRL(task),
655 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
656 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
657 (vals[i].vpfy << 2) | vals[i].vpfy);
658}
659
660static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
661{
662 int val,mirror;
663
664 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
665 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
666
667 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
668 if (yscale < 2048) {
669 /* LPI */
670 dprintk("yscale LPI yscale=%d\n",yscale);
671 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
672 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
673 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
674 } else {
675 /* ACM */
676 val = 0x40 * 1024 / yscale;
677 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
678 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
679 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
680 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
681 }
682 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
683}
684
685static void set_size(struct saa7134_dev *dev, int task,
686 int width, int height, int interlace)
687{
688 int prescale,xscale,yscale,y_even,y_odd;
689 int h_start, h_stop, v_start, v_stop;
690 int div = interlace ? 2 : 1;
691
692 /* setup video scaler */
693 h_start = dev->crop_current.left;
694 v_start = dev->crop_current.top/2;
695 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
696 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
697
698 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
699 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
700 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
701 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
702 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
703 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
704 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
705 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
706
707 prescale = dev->crop_current.width / width;
708 if (0 == prescale)
709 prescale = 1;
710 xscale = 1024 * dev->crop_current.width / prescale / width;
711 yscale = 512 * div * dev->crop_current.height / height;
4ac97914 712 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
1da177e4
LT		 713 set_h_prescale(dev,task,prescale);
714 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
715 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
716 set_v_scale(dev,task,yscale);
717
718 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
719 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
720 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
721 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
722
723 /* deinterlace y offsets */
724 y_odd = dev->ctl_y_odd;
725 y_even = dev->ctl_y_even;
726 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
727 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
728 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
729 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
730}
731
732/* ------------------------------------------------------------------ */
733
734struct cliplist {
735 __u16 position;
736 __u8 enable;
737 __u8 disable;
738};
739
1da177e4
LT		 740static void set_cliplist(struct saa7134_dev *dev, int reg,
741 struct cliplist *cl, int entries, char *name)
742{
743 __u8 winbits = 0;
744 int i;
745
746 for (i = 0; i < entries; i++) {
747 winbits |= cl[i].enable;
748 winbits &= ~cl[i].disable;
749 if (i < 15 && cl[i].position == cl[i+1].position)
750 continue;
751 saa_writeb(reg + 0, winbits);
752 saa_writeb(reg + 2, cl[i].position & 0xff);
753 saa_writeb(reg + 3, cl[i].position >> 8);
754 dprintk("clip: %s winbits=%02x pos=%d\n",
755 name,winbits,cl[i].position);
756 reg += 8;
757 }
758 for (; reg < 0x400; reg += 8) {
759 saa_writeb(reg+ 0, 0);
760 saa_writeb(reg + 1, 0);
761 saa_writeb(reg + 2, 0);
762 saa_writeb(reg + 3, 0);
763 }
764}
765
766static int clip_range(int val)
767{
768 if (val < 0)
769 val = 0;
770 return val;
771}
772
9040b32e
HO		 773/* Sort into smallest position first order */
774static int cliplist_cmp(const void *a, const void *b)
775{
776 const struct cliplist *cla = a;
777 const struct cliplist *clb = b;
778 if (cla->position < clb->position)
779 return -1;
780 if (cla->position > clb->position)
781 return 1;
782 return 0;
783}
784
1da177e4
LT		 785static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
786 int nclips, int interlace)
787{
788 struct cliplist col[16], row[16];
9040b32e 789 int cols = 0, rows = 0, i;
1da177e4
LT		 790 int div = interlace ? 2 : 1;
791
9040b32e
HO		 792 memset(col, 0, sizeof(col));
793 memset(row, 0, sizeof(row));
1da177e4
LT		 794 for (i = 0; i < nclips && i < 8; i++) {
795 col[cols].position = clip_range(clips[i].c.left);
796 col[cols].enable = (1 << i);
797 cols++;
798 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
799 col[cols].disable = (1 << i);
800 cols++;
801 row[rows].position = clip_range(clips[i].c.top / div);
802 row[rows].enable = (1 << i);
803 rows++;
804 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
805 / div);
806 row[rows].disable = (1 << i);
807 rows++;
808 }
9040b32e
HO		 809 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
810 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
1da177e4
LT		 811 set_cliplist(dev,0x380,col,cols,"cols");
812 set_cliplist(dev,0x384,row,rows,"rows");
813 return 0;
814}
815
816static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
817{
818 enum v4l2_field field;
819 int maxw, maxh;
820
821 if (NULL == dev->ovbuf.base)
822 return -EINVAL;
823 if (NULL == dev->ovfmt)
824 return -EINVAL;
825 if (win->w.width < 48 || win->w.height < 32)
826 return -EINVAL;
827 if (win->clipcount > 2048)
828 return -EINVAL;
829
830 field = win->field;
831 maxw = dev->crop_current.width;
832 maxh = dev->crop_current.height;
833
834 if (V4L2_FIELD_ANY == field) {
4ac97914
MCC		 835 field = (win->w.height > maxh/2)
836 ? V4L2_FIELD_INTERLACED
837 : V4L2_FIELD_TOP;
838 }
839 switch (field) {
840 case V4L2_FIELD_TOP:
841 case V4L2_FIELD_BOTTOM:
842 maxh = maxh / 2;
843 break;
844 case V4L2_FIELD_INTERLACED:
845 break;
846 default:
847 return -EINVAL;
848 }
1da177e4
LT		 849
850 win->field = field;
851 if (win->w.width > maxw)
852 win->w.width = maxw;
853 if (win->w.height > maxh)
854 win->w.height = maxh;
855 return 0;
856}
857
858static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
859{
860 unsigned long base,control,bpl;
861 int err;
862
863 err = verify_preview(dev,&fh->win);
864 if (0 != err)
865 return err;
866
867 dev->ovfield = fh->win.field;
868 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
869 fh->win.w.width,fh->win.w.height,
870 fh->win.w.left,fh->win.w.top,
871 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
872
873 /* setup window + clipping */
874 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
875 V4L2_FIELD_HAS_BOTH(dev->ovfield));
876 setup_clipping(dev,fh->clips,fh->nclips,
877 V4L2_FIELD_HAS_BOTH(dev->ovfield));
878 if (dev->ovfmt->yuv)
879 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
880 else
881 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
882 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
883
884 /* dma: setup channel 1 (= Video Task B) */
885 base = (unsigned long)dev->ovbuf.base;
886 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
887 base += dev->ovfmt->depth/8 * fh->win.w.left;
888 bpl = dev->ovbuf.fmt.bytesperline;
889 control = SAA7134_RS_CONTROL_BURST_16;
890 if (dev->ovfmt->bswap)
891 control |= SAA7134_RS_CONTROL_BSWAP;
892 if (dev->ovfmt->wswap)
893 control |= SAA7134_RS_CONTROL_WSWAP;
894 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
895 saa_writel(SAA7134_RS_BA1(1),base);
896 saa_writel(SAA7134_RS_BA2(1),base+bpl);
897 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
898 saa_writel(SAA7134_RS_CONTROL(1),control);
899 } else {
900 saa_writel(SAA7134_RS_BA1(1),base);
901 saa_writel(SAA7134_RS_BA2(1),base);
902 saa_writel(SAA7134_RS_PITCH(1),bpl);
903 saa_writel(SAA7134_RS_CONTROL(1),control);
904 }
905
906 /* start dma */
907 dev->ovenable = 1;
908 saa7134_set_dmabits(dev);
909
910 return 0;
911}
912
913static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
914{
915 dev->ovenable = 0;
916 saa7134_set_dmabits(dev);
917 return 0;
918}
919
920/* ------------------------------------------------------------------ */
921
922static int buffer_activate(struct saa7134_dev *dev,
923 struct saa7134_buf *buf,
924 struct saa7134_buf *next)
925{
926 unsigned long base,control,bpl;
927 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
928
929 dprintk("buffer_activate buf=%p\n",buf);
930 buf->vb.state = STATE_ACTIVE;
931 buf->top_seen = 0;
932
933 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
934 V4L2_FIELD_HAS_BOTH(buf->vb.field));
935 if (buf->fmt->yuv)
936 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
937 else
938 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
939 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
940
941 /* DMA: setup channel 0 (= Video Task A0) */
942 base = saa7134_buffer_base(buf);
943 if (buf->fmt->planar)
944 bpl = buf->vb.width;
945 else
946 bpl = (buf->vb.width * buf->fmt->depth) / 8;
947 control = SAA7134_RS_CONTROL_BURST_16 |
948 SAA7134_RS_CONTROL_ME |
949 (buf->pt->dma >> 12);
950 if (buf->fmt->bswap)
951 control |= SAA7134_RS_CONTROL_BSWAP;
952 if (buf->fmt->wswap)
953 control |= SAA7134_RS_CONTROL_WSWAP;
954 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
955 /* interlaced */
956 saa_writel(SAA7134_RS_BA1(0),base);
957 saa_writel(SAA7134_RS_BA2(0),base+bpl);
958 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
959 } else {
960 /* non-interlaced */
961 saa_writel(SAA7134_RS_BA1(0),base);
962 saa_writel(SAA7134_RS_BA2(0),base);
963 saa_writel(SAA7134_RS_PITCH(0),bpl);
964 }
965 saa_writel(SAA7134_RS_CONTROL(0),control);
966
967 if (buf->fmt->planar) {
968 /* DMA: setup channel 4+5 (= planar task A) */
969 bpl_uv = bpl >> buf->fmt->hshift;
970 lines_uv = buf->vb.height >> buf->fmt->vshift;
971 base2 = base + bpl * buf->vb.height;
972 base3 = base2 + bpl_uv * lines_uv;
973 if (buf->fmt->uvswap)
974 tmp = base2, base2 = base3, base3 = tmp;
975 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
976 bpl_uv,lines_uv,base2,base3);
977 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
978 /* interlaced */
979 saa_writel(SAA7134_RS_BA1(4),base2);
980 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
981 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
982 saa_writel(SAA7134_RS_BA1(5),base3);
983 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
984 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
985 } else {
986 /* non-interlaced */
987 saa_writel(SAA7134_RS_BA1(4),base2);
988 saa_writel(SAA7134_RS_BA2(4),base2);
989 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
990 saa_writel(SAA7134_RS_BA1(5),base3);
991 saa_writel(SAA7134_RS_BA2(5),base3);
992 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
993 }
994 saa_writel(SAA7134_RS_CONTROL(4),control);
995 saa_writel(SAA7134_RS_CONTROL(5),control);
996 }
997
998 /* start DMA */
999 saa7134_set_dmabits(dev);
1000 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1001 return 0;
1002}
1003
1004static int buffer_prepare(struct videobuf_queue *q,
1005 struct videobuf_buffer *vb,
1006 enum v4l2_field field)
1007{
1008 struct saa7134_fh *fh = q->priv_data;
1009 struct saa7134_dev *dev = fh->dev;
1010 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1011 unsigned int size;
1012 int err;
1013
1014 /* sanity checks */
1015 if (NULL == fh->fmt)
1016 return -EINVAL;
1017 if (fh->width < 48 ||
1018 fh->height < 32 ||
1019 fh->width/4 > dev->crop_current.width ||
1020 fh->height/4 > dev->crop_current.height ||
1021 fh->width > dev->crop_bounds.width ||
1022 fh->height > dev->crop_bounds.height)
1023 return -EINVAL;
1024 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1025 if (0 != buf->vb.baddr && buf->vb.bsize < size)
1026 return -EINVAL;
1027
1028 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1029 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1030 fh->fmt->name);
1031 if (buf->vb.width != fh->width ||
1032 buf->vb.height != fh->height ||
1033 buf->vb.size != size ||
1034 buf->vb.field != field ||
1035 buf->fmt != fh->fmt) {
c7b0ac05 1036 saa7134_dma_free(q,buf);
1da177e4
LT		 1037 }
1038
1039 if (STATE_NEEDS_INIT == buf->vb.state) {
c1accaa2
MCC		 1040 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1041
1da177e4
LT		 1042 buf->vb.width = fh->width;
1043 buf->vb.height = fh->height;
1044 buf->vb.size = size;
1045 buf->vb.field = field;
1046 buf->fmt = fh->fmt;
1047 buf->pt = &fh->pt_cap;
1048
c7b0ac05 1049 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1da177e4
LT		 1050 if (err)
1051 goto oops;
1052 err = saa7134_pgtable_build(dev->pci,buf->pt,
c1accaa2
MCC		 1053 dma->sglist,
1054 dma->sglen,
1da177e4
LT		 1055 saa7134_buffer_startpage(buf));
1056 if (err)
1057 goto oops;
1058 }
1059 buf->vb.state = STATE_PREPARED;
1060 buf->activate = buffer_activate;
1061 return 0;
1062
1063 oops:
c7b0ac05 1064 saa7134_dma_free(q,buf);
1da177e4
LT		 1065 return err;
1066}
1067
1068static int
1069buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1070{
1071 struct saa7134_fh *fh = q->priv_data;
1072
1073 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1074 if (0 == *count)
1075 *count = gbuffers;
1076 *count = saa7134_buffer_count(*size,*count);
1077 return 0;
1078}
1079
1080static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1081{
1082 struct saa7134_fh *fh = q->priv_data;
1083 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1084
1085 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1086}
1087
1088static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1089{
1da177e4
LT		 1090 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1091
c7b0ac05 1092 saa7134_dma_free(q,buf);
1da177e4
LT		 1093}
1094
1095static struct videobuf_queue_ops video_qops = {
1096 .buf_setup = buffer_setup,
1097 .buf_prepare = buffer_prepare,
1098 .buf_queue = buffer_queue,
1099 .buf_release = buffer_release,
1100};
1101
1102/* ------------------------------------------------------------------ */
1103
1104static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1105{
1106 const struct v4l2_queryctrl* ctrl;
1107
1108 ctrl = ctrl_by_id(c->id);
1109 if (NULL == ctrl)
1110 return -EINVAL;
1111 switch (c->id) {
1112 case V4L2_CID_BRIGHTNESS:
1113 c->value = dev->ctl_bright;
1114 break;
1115 case V4L2_CID_HUE:
1116 c->value = dev->ctl_hue;
1117 break;
1118 case V4L2_CID_CONTRAST:
1119 c->value = dev->ctl_contrast;
1120 break;
1121 case V4L2_CID_SATURATION:
1122 c->value = dev->ctl_saturation;
1123 break;
1124 case V4L2_CID_AUDIO_MUTE:
1125 c->value = dev->ctl_mute;
1126 break;
1127 case V4L2_CID_AUDIO_VOLUME:
1128 c->value = dev->ctl_volume;
1129 break;
1130 case V4L2_CID_PRIVATE_INVERT:
1131 c->value = dev->ctl_invert;
1132 break;
f246a817 1133 case V4L2_CID_HFLIP:
1da177e4
LT		 1134 c->value = dev->ctl_mirror;
1135 break;
1136 case V4L2_CID_PRIVATE_Y_EVEN:
1137 c->value = dev->ctl_y_even;
1138 break;
1139 case V4L2_CID_PRIVATE_Y_ODD:
1140 c->value = dev->ctl_y_odd;
1141 break;
1142 case V4L2_CID_PRIVATE_AUTOMUTE:
1143 c->value = dev->ctl_automute;
1144 break;
1145 default:
1146 return -EINVAL;
1147 }
1148 return 0;
1149}
1150
1151static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1152 struct v4l2_control *c)
1153{
1154 const struct v4l2_queryctrl* ctrl;
1155 unsigned long flags;
1156 int restart_overlay = 0;
1157
1158 ctrl = ctrl_by_id(c->id);
1159 if (NULL == ctrl)
1160 return -EINVAL;
1161 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1162 switch (ctrl->type) {
1163 case V4L2_CTRL_TYPE_BOOLEAN:
1164 case V4L2_CTRL_TYPE_MENU:
1165 case V4L2_CTRL_TYPE_INTEGER:
1166 if (c->value < ctrl->minimum)
1167 c->value = ctrl->minimum;
1168 if (c->value > ctrl->maximum)
1169 c->value = ctrl->maximum;
1170 break;
1171 default:
1172 /* nothing */;
1173 };
1174 switch (c->id) {
1175 case V4L2_CID_BRIGHTNESS:
1176 dev->ctl_bright = c->value;
1177 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1178 break;
1179 case V4L2_CID_HUE:
1180 dev->ctl_hue = c->value;
1181 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1182 break;
1183 case V4L2_CID_CONTRAST:
1184 dev->ctl_contrast = c->value;
1185 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1186 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1187 break;
1188 case V4L2_CID_SATURATION:
1189 dev->ctl_saturation = c->value;
1190 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1191 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1192 break;
1193 case V4L2_CID_AUDIO_MUTE:
1194 dev->ctl_mute = c->value;
1195 saa7134_tvaudio_setmute(dev);
1196 break;
1197 case V4L2_CID_AUDIO_VOLUME:
1198 dev->ctl_volume = c->value;
1199 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1200 break;
1201 case V4L2_CID_PRIVATE_INVERT:
1202 dev->ctl_invert = c->value;
1203 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1204 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1205 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1206 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1207 break;
f246a817 1208 case V4L2_CID_HFLIP:
1da177e4
LT		 1209 dev->ctl_mirror = c->value;
1210 restart_overlay = 1;
1211 break;
1212 case V4L2_CID_PRIVATE_Y_EVEN:
1213 dev->ctl_y_even = c->value;
1214 restart_overlay = 1;
1215 break;
1216 case V4L2_CID_PRIVATE_Y_ODD:
1217 dev->ctl_y_odd = c->value;
1218 restart_overlay = 1;
1219 break;
1220 case V4L2_CID_PRIVATE_AUTOMUTE:
1221 dev->ctl_automute = c->value;
1222 if (dev->tda9887_conf) {
1223 if (dev->ctl_automute)
1224 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1225 else
1226 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1227 saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1228 &dev->tda9887_conf);
1229 }
1230 break;
1231 default:
1232 return -EINVAL;
1233 }
1234 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1235 spin_lock_irqsave(&dev->slock,flags);
1236 stop_preview(dev,fh);
1237 start_preview(dev,fh);
1238 spin_unlock_irqrestore(&dev->slock,flags);
1239 }
1240 return 0;
1241}
1242
1243/* ------------------------------------------------------------------ */
1244
1245static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1246{
1247 struct videobuf_queue* q = NULL;
1248
1249 switch (fh->type) {
1250 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1251 q = &fh->cap;
1252 break;
1253 case V4L2_BUF_TYPE_VBI_CAPTURE:
1254 q = &fh->vbi;
1255 break;
1256 default:
1257 BUG();
1258 }
1259 return q;
1260}
1261
1262static int saa7134_resource(struct saa7134_fh *fh)
1263{
9040b32e
HO		 1264 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1265 return RESOURCE_VIDEO;
1da177e4 1266
9040b32e
HO		 1267 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1268 return RESOURCE_VBI;
1269
1270 BUG();
1271 return 0;
1da177e4
LT		 1272}
1273
1274static int video_open(struct inode *inode, struct file *file)
1275{
1276 int minor = iminor(inode);
1277 struct saa7134_dev *h,*dev = NULL;
1278 struct saa7134_fh *fh;
1279 struct list_head *list;
1280 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1281 int radio = 0;
1da177e4
LT		 1282 list_for_each(list,&saa7134_devlist) {
1283 h = list_entry(list, struct saa7134_dev, devlist);
1284 if (h->video_dev && (h->video_dev->minor == minor))
1285 dev = h;
1286 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1287 radio = 1;
1288 dev = h;
1289 }
1290 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1291 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1292 dev = h;
1293 }
1294 }
1295 if (NULL == dev)
1296 return -ENODEV;
1297
1298 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1299 v4l2_type_names[type]);
1300
1301 /* allocate + initialize per filehandle data */
7408187d 1302 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1da177e4
LT		 1303 if (NULL == fh)
1304 return -ENOMEM;
1da177e4
LT		 1305 file->private_data = fh;
1306 fh->dev = dev;
1307 fh->radio = radio;
1308 fh->type = type;
1309 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1310 fh->width = 720;
1311 fh->height = 576;
1312 v4l2_prio_open(&dev->prio,&fh->prio);
1313
c1accaa2 1314 videobuf_queue_pci_init(&fh->cap, &video_qops,
1da177e4
LT		 1315 dev->pci, &dev->slock,
1316 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1317 V4L2_FIELD_INTERLACED,
1318 sizeof(struct saa7134_buf),
1319 fh);
c1accaa2 1320 videobuf_queue_pci_init(&fh->vbi, &saa7134_vbi_qops,
1da177e4
LT		 1321 dev->pci, &dev->slock,
1322 V4L2_BUF_TYPE_VBI_CAPTURE,
1323 V4L2_FIELD_SEQ_TB,
1324 sizeof(struct saa7134_buf),
1325 fh);
1326 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1327 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1328
1329 if (fh->radio) {
1330 /* switch to radio mode */
1331 saa7134_tvaudio_setinput(dev,&card(dev).radio);
330a115a 1332 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1da177e4
LT		 1333 } else {
1334 /* switch to video/vbi mode */
1335 video_mux(dev,dev->ctl_input);
1336 }
330a115a 1337 return 0;
1da177e4
LT		 1338}
1339
1340static ssize_t
1341video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1342{
1343 struct saa7134_fh *fh = file->private_data;
1344
1345 switch (fh->type) {
1346 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1347 if (res_locked(fh->dev,RESOURCE_VIDEO))
1348 return -EBUSY;
1349 return videobuf_read_one(saa7134_queue(fh),
1350 data, count, ppos,
1351 file->f_flags & O_NONBLOCK);
1352 case V4L2_BUF_TYPE_VBI_CAPTURE:
1353 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1354 return -EBUSY;
1355 return videobuf_read_stream(saa7134_queue(fh),
1356 data, count, ppos, 1,
1357 file->f_flags & O_NONBLOCK);
1358 break;
1359 default:
1360 BUG();
1361 return 0;
1362 }
1363}
1364
1365static unsigned int
1366video_poll(struct file *file, struct poll_table_struct *wait)
1367{
1368 struct saa7134_fh *fh = file->private_data;
1369 struct videobuf_buffer *buf = NULL;
1370
1371 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1372 return videobuf_poll_stream(file, &fh->vbi, wait);
1373
1374 if (res_check(fh,RESOURCE_VIDEO)) {
1375 if (!list_empty(&fh->cap.stream))
1376 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1377 } else {
3593cab5 1378 mutex_lock(&fh->cap.lock);
1da177e4 1379 if (UNSET == fh->cap.read_off) {
330a115a 1380 /* need to capture a new frame */
1da177e4 1381 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
3593cab5 1382 mutex_unlock(&fh->cap.lock);
330a115a 1383 return POLLERR;
4ac97914
MCC		 1384 }
1385 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
3593cab5 1386 mutex_unlock(&fh->cap.lock);
f2421ca3 1387 return POLLERR;
4ac97914
MCC		 1388 }
1389 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1390 fh->cap.read_off = 0;
1da177e4 1391 }
3593cab5 1392 mutex_unlock(&fh->cap.lock);
1da177e4
LT		 1393 buf = fh->cap.read_buf;
1394 }
1395
1396 if (!buf)
1397 return POLLERR;
1398
1399 poll_wait(file, &buf->done, wait);
1400 if (buf->state == STATE_DONE ||
1401 buf->state == STATE_ERROR)
1402 return POLLIN|POLLRDNORM;
1403 return 0;
1404}
1405
1406static int video_release(struct inode *inode, struct file *file)
1407{
1408 struct saa7134_fh *fh = file->private_data;
1409 struct saa7134_dev *dev = fh->dev;
1410 unsigned long flags;
1411
1412 /* turn off overlay */
1413 if (res_check(fh, RESOURCE_OVERLAY)) {
1414 spin_lock_irqsave(&dev->slock,flags);
1415 stop_preview(dev,fh);
1416 spin_unlock_irqrestore(&dev->slock,flags);
1417 res_free(dev,fh,RESOURCE_OVERLAY);
1418 }
1419
1420 /* stop video capture */
1421 if (res_check(fh, RESOURCE_VIDEO)) {
1422 videobuf_streamoff(&fh->cap);
1423 res_free(dev,fh,RESOURCE_VIDEO);
1424 }
1425 if (fh->cap.read_buf) {
1426 buffer_release(&fh->cap,fh->cap.read_buf);
1427 kfree(fh->cap.read_buf);
1428 }
1429
1430 /* stop vbi capture */
1431 if (res_check(fh, RESOURCE_VBI)) {
1432 if (fh->vbi.streaming)
1433 videobuf_streamoff(&fh->vbi);
1434 if (fh->vbi.reading)
1435 videobuf_read_stop(&fh->vbi);
1436 res_free(dev,fh,RESOURCE_VBI);
1437 }
1438
330a115a
MCC		 1439 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1440 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1441 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1442 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1443 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1444
2f180710 1445 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
330a115a 1446
1da177e4
LT		 1447 /* free stuff */
1448 videobuf_mmap_free(&fh->cap);
1449 videobuf_mmap_free(&fh->vbi);
1450 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1451 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1452
1453 v4l2_prio_close(&dev->prio,&fh->prio);
1454 file->private_data = NULL;
1455 kfree(fh);
1456 return 0;
1457}
1458
9040b32e 1459static int video_mmap(struct file *file, struct vm_area_struct * vma)
1da177e4
LT		 1460{
1461 struct saa7134_fh *fh = file->private_data;
1462
1463 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1464}
1465
1466/* ------------------------------------------------------------------ */
1467
1468static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1469{
1470 struct saa7134_tvnorm *norm = dev->tvnorm;
1471
1472 f->fmt.vbi.sampling_rate = 6750000 * 4;
1473 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1474 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1475 f->fmt.vbi.offset = 64 * 4;
f246a817
MS		 1476 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1477 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1478 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1da177e4
LT		 1479 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1480 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1481
1da177e4
LT		 1482}
1483
1484static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1485 struct v4l2_format *f)
1486{
1487 switch (f->type) {
1488 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1489 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1490 f->fmt.pix.width = fh->width;
1491 f->fmt.pix.height = fh->height;
1492 f->fmt.pix.field = fh->cap.field;
1493 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1494 f->fmt.pix.bytesperline =
1495 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1496 f->fmt.pix.sizeimage =
1497 f->fmt.pix.height * f->fmt.pix.bytesperline;
1498 return 0;
1499 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
ecb73774
MCC		 1500 if (saa7134_no_overlay > 0) {
1501 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1502 return -EINVAL;
1503 }
1da177e4
LT		 1504 f->fmt.win = fh->win;
1505 return 0;
1506 case V4L2_BUF_TYPE_VBI_CAPTURE:
1507 saa7134_vbi_fmt(dev,f);
1508 return 0;
1509 default:
1510 return -EINVAL;
1511 }
1512}
1513
1514static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1515 struct v4l2_format *f)
1516{
1517 int err;
1518
1519 switch (f->type) {
1520 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1521 {
1522 struct saa7134_format *fmt;
1523 enum v4l2_field field;
1524 unsigned int maxw, maxh;
1525
1526 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1527 if (NULL == fmt)
1528 return -EINVAL;
1529
1530 field = f->fmt.pix.field;
1531 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1532 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1533
1534 if (V4L2_FIELD_ANY == field) {
1535 field = (f->fmt.pix.height > maxh/2)
1536 ? V4L2_FIELD_INTERLACED
1537 : V4L2_FIELD_BOTTOM;
1538 }
1539 switch (field) {
1540 case V4L2_FIELD_TOP:
1541 case V4L2_FIELD_BOTTOM:
1542 maxh = maxh / 2;
1543 break;
1544 case V4L2_FIELD_INTERLACED:
1545 break;
1546 default:
1547 return -EINVAL;
1548 }
1549
1550 f->fmt.pix.field = field;
1551 if (f->fmt.pix.width < 48)
1552 f->fmt.pix.width = 48;
1553 if (f->fmt.pix.height < 32)
1554 f->fmt.pix.height = 32;
1555 if (f->fmt.pix.width > maxw)
1556 f->fmt.pix.width = maxw;
1557 if (f->fmt.pix.height > maxh)
1558 f->fmt.pix.height = maxh;
1559 f->fmt.pix.width &= ~0x03;
1560 f->fmt.pix.bytesperline =
1561 (f->fmt.pix.width * fmt->depth) >> 3;
1562 f->fmt.pix.sizeimage =
1563 f->fmt.pix.height * f->fmt.pix.bytesperline;
1564
1565 return 0;
1566 }
1567 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
ecb73774
MCC		 1568 if (saa7134_no_overlay > 0) {
1569 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1570 return -EINVAL;
1571 }
1da177e4
LT		 1572 err = verify_preview(dev,&f->fmt.win);
1573 if (0 != err)
1574 return err;
1575 return 0;
1576 case V4L2_BUF_TYPE_VBI_CAPTURE:
1577 saa7134_vbi_fmt(dev,f);
1578 return 0;
1579 default:
1580 return -EINVAL;
1581 }
1582}
1583
1584static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1585 struct v4l2_format *f)
1586{
1587 unsigned long flags;
1588 int err;
1589
1590 switch (f->type) {
1591 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1592 err = saa7134_try_fmt(dev,fh,f);
1593 if (0 != err)
1594 return err;
1595
1596 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1597 fh->width = f->fmt.pix.width;
1598 fh->height = f->fmt.pix.height;
1599 fh->cap.field = f->fmt.pix.field;
1600 return 0;
1601 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
ecb73774
MCC		 1602 if (saa7134_no_overlay > 0) {
1603 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1604 return -EINVAL;
1605 }
1da177e4
LT		 1606 err = verify_preview(dev,&f->fmt.win);
1607 if (0 != err)
1608 return err;
1609
3593cab5 1610 mutex_lock(&dev->lock);
1da177e4
LT		 1611 fh->win = f->fmt.win;
1612 fh->nclips = f->fmt.win.clipcount;
1613 if (fh->nclips > 8)
1614 fh->nclips = 8;
1615 if (copy_from_user(fh->clips,f->fmt.win.clips,
1616 sizeof(struct v4l2_clip)*fh->nclips)) {
3593cab5 1617 mutex_unlock(&dev->lock);
1da177e4
LT		 1618 return -EFAULT;
1619 }
1620
1621 if (res_check(fh, RESOURCE_OVERLAY)) {
1622 spin_lock_irqsave(&dev->slock,flags);
1623 stop_preview(dev,fh);
1624 start_preview(dev,fh);
1625 spin_unlock_irqrestore(&dev->slock,flags);
1626 }
3593cab5 1627 mutex_unlock(&dev->lock);
1da177e4
LT		 1628 return 0;
1629 case V4L2_BUF_TYPE_VBI_CAPTURE:
1630 saa7134_vbi_fmt(dev,f);
1631 return 0;
1632 default:
1633 return -EINVAL;
1634 }
1635}
1636
1637int saa7134_common_ioctl(struct saa7134_dev *dev,
1638 unsigned int cmd, void *arg)
1639{
1640 int err;
1641
1642 switch (cmd) {
1643 case VIDIOC_QUERYCTRL:
1644 {
1645 const struct v4l2_queryctrl *ctrl;
1646 struct v4l2_queryctrl *c = arg;
1647
1648 if ((c->id < V4L2_CID_BASE ||
1649 c->id >= V4L2_CID_LASTP1) &&
1650 (c->id < V4L2_CID_PRIVATE_BASE ||
1651 c->id >= V4L2_CID_PRIVATE_LASTP1))
1652 return -EINVAL;
1653 ctrl = ctrl_by_id(c->id);
1654 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1655 return 0;
1656 }
1657 case VIDIOC_G_CTRL:
1658 return get_control(dev,arg);
1659 case VIDIOC_S_CTRL:
1660 {
3593cab5 1661 mutex_lock(&dev->lock);
1da177e4 1662 err = set_control(dev,NULL,arg);
3593cab5 1663 mutex_unlock(&dev->lock);
1da177e4
LT		 1664 return err;
1665 }
1666 /* --- input switching --------------------------------------- */
1667 case VIDIOC_ENUMINPUT:
1668 {
1669 struct v4l2_input *i = arg;
1670 unsigned int n;
1671
1672 n = i->index;
1673 if (n >= SAA7134_INPUT_MAX)
1674 return -EINVAL;
1675 if (NULL == card_in(dev,i->index).name)
1676 return -EINVAL;
1677 memset(i,0,sizeof(*i));
1678 i->index = n;
1679 i->type = V4L2_INPUT_TYPE_CAMERA;
1680 strcpy(i->name,card_in(dev,n).name);
1681 if (card_in(dev,n).tv)
1682 i->type = V4L2_INPUT_TYPE_TUNER;
1683 i->audioset = 1;
1684 if (n == dev->ctl_input) {
1685 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1686 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1687
1688 if (0 != (v1 & 0x40))
1689 i->status |= V4L2_IN_ST_NO_H_LOCK;
1690 if (0 != (v2 & 0x40))
1691 i->status |= V4L2_IN_ST_NO_SYNC;
1692 if (0 != (v2 & 0x0e))
1693 i->status |= V4L2_IN_ST_MACROVISION;
1694 }
1695 for (n = 0; n < TVNORMS; n++)
1696 i->std |= tvnorms[n].id;
1697 return 0;
1698 }
1699 case VIDIOC_G_INPUT:
1700 {
1701 int *i = arg;
1702 *i = dev->ctl_input;
1703 return 0;
1704 }
1705 case VIDIOC_S_INPUT:
1706 {
1707 int *i = arg;
1708
1709 if (*i < 0 || *i >= SAA7134_INPUT_MAX)
1710 return -EINVAL;
1711 if (NULL == card_in(dev,*i).name)
1712 return -EINVAL;
3593cab5 1713 mutex_lock(&dev->lock);
1da177e4 1714 video_mux(dev,*i);
3593cab5 1715 mutex_unlock(&dev->lock);
1da177e4
LT		 1716 return 0;
1717 }
1718
1719 }
1720 return 0;
1721}
1722EXPORT_SYMBOL(saa7134_common_ioctl);
1723
1724/*
1725 * This function is _not_ called directly, but from
1726 * video_generic_ioctl (and maybe others). userspace
1727 * copying is done already, arg is a kernel pointer.
1728 */
1729static int video_do_ioctl(struct inode *inode, struct file *file,
1730 unsigned int cmd, void *arg)
1731{
1732 struct saa7134_fh *fh = file->private_data;
1733 struct saa7134_dev *dev = fh->dev;
1734 unsigned long flags;
1735 int err;
1736
1737 if (video_debug > 1)
5e453dc7 1738 v4l_print_ioctl(dev->name,cmd);
1da177e4
LT		 1739
1740 switch (cmd) {
1741 case VIDIOC_S_CTRL:
1742 case VIDIOC_S_STD:
1743 case VIDIOC_S_INPUT:
1744 case VIDIOC_S_TUNER:
1745 case VIDIOC_S_FREQUENCY:
1746 err = v4l2_prio_check(&dev->prio,&fh->prio);
1747 if (0 != err)
1748 return err;
1749 }
1750
1751 switch (cmd) {
1752 case VIDIOC_QUERYCAP:
1753 {
1754 struct v4l2_capability *cap = arg;
bb881f14 1755 unsigned int tuner_type = dev->tuner_type;
1da177e4
LT		 1756
1757 memset(cap,0,sizeof(*cap));
4ac97914 1758 strcpy(cap->driver, "saa7134");
1da177e4
LT		 1759 strlcpy(cap->card, saa7134_boards[dev->board].name,
1760 sizeof(cap->card));
1761 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1762 cap->version = SAA7134_VERSION_CODE;
1763 cap->capabilities =
1764 V4L2_CAP_VIDEO_CAPTURE |
1da177e4 1765 V4L2_CAP_VBI_CAPTURE |
1da177e4 1766 V4L2_CAP_READWRITE |
bb881f14
NS		 1767 V4L2_CAP_STREAMING |
1768 V4L2_CAP_TUNER;
ecb73774
MCC		 1769 if (saa7134_no_overlay <= 0) {
1770 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1771 }
bb881f14
NS		 1772
1773 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1774 cap->capabilities &= ~V4L2_CAP_TUNER;
1775
1da177e4
LT		 1776 return 0;
1777 }
1778
1779 /* --- tv standards ------------------------------------------ */
1780 case VIDIOC_ENUMSTD:
1781 {
1782 struct v4l2_standard *e = arg;
1783 unsigned int i;
1784
1785 i = e->index;
1786 if (i >= TVNORMS)
1787 return -EINVAL;
1788 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1789 tvnorms[e->index].name);
1790 e->index = i;
1791 if (err < 0)
1792 return err;
1793 return 0;
1794 }
1795 case VIDIOC_G_STD:
1796 {
1797 v4l2_std_id *id = arg;
1798
1799 *id = dev->tvnorm->id;
1800 return 0;
1801 }
1802 case VIDIOC_S_STD:
1803 {
1804 v4l2_std_id *id = arg;
1805 unsigned int i;
17b10a73 1806 v4l2_std_id fixup;
1da177e4
LT		 1807
1808 for (i = 0; i < TVNORMS; i++)
1809 if (*id == tvnorms[i].id)
1810 break;
1811 if (i == TVNORMS)
1812 for (i = 0; i < TVNORMS; i++)
1813 if (*id & tvnorms[i].id)
1814 break;
1815 if (i == TVNORMS)
1816 return -EINVAL;
9448025b
HH		 1817 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1818 if (secam[0] == 'L' || secam[0] == 'l') {
17b10a73
HH		 1819 if (secam[1] == 'C' || secam[1] == 'c')
1820 fixup = V4L2_STD_SECAM_LC;
1821 else
1822 fixup = V4L2_STD_SECAM_L;
9448025b 1823 } else {
17b10a73
HH		 1824 if (secam[0] == 'D' || secam[0] == 'd')
1825 fixup = V4L2_STD_SECAM_DK;
9448025b
HH		 1826 else
1827 fixup = V4L2_STD_SECAM;
1828 }
17b10a73
HH		 1829 for (i = 0; i < TVNORMS; i++)
1830 if (fixup == tvnorms[i].id)
1831 break;
1832 }
3593cab5 1833 mutex_lock(&dev->lock);
1da177e4
LT		 1834 if (res_check(fh, RESOURCE_OVERLAY)) {
1835 spin_lock_irqsave(&dev->slock,flags);
1836 stop_preview(dev,fh);
1837 set_tvnorm(dev,&tvnorms[i]);
1838 start_preview(dev,fh);
1839 spin_unlock_irqrestore(&dev->slock,flags);
1840 } else
1841 set_tvnorm(dev,&tvnorms[i]);
1842 saa7134_tvaudio_do_scan(dev);
3593cab5 1843 mutex_unlock(&dev->lock);
1da177e4
LT		 1844 return 0;
1845 }
1846
1847 case VIDIOC_CROPCAP:
1848 {
1849 struct v4l2_cropcap *cap = arg;
1850
1851 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1852 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1853 return -EINVAL;
1854 cap->bounds = dev->crop_bounds;
1855 cap->defrect = dev->crop_defrect;
1856 cap->pixelaspect.numerator = 1;
1857 cap->pixelaspect.denominator = 1;
1858 if (dev->tvnorm->id & V4L2_STD_525_60) {
1859 cap->pixelaspect.numerator = 11;
1860 cap->pixelaspect.denominator = 10;
1861 }
1862 if (dev->tvnorm->id & V4L2_STD_625_50) {
1863 cap->pixelaspect.numerator = 54;
1864 cap->pixelaspect.denominator = 59;
1865 }
1866 return 0;
1867 }
1868
1869 case VIDIOC_G_CROP:
1870 {
1871 struct v4l2_crop * crop = arg;
1872
1873 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1874 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1875 return -EINVAL;
1876 crop->c = dev->crop_current;
1877 return 0;
1878 }
1879 case VIDIOC_S_CROP:
1880 {
1881 struct v4l2_crop *crop = arg;
1882 struct v4l2_rect *b = &dev->crop_bounds;
1883
1884 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1885 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1886 return -EINVAL;
1887 if (crop->c.height < 0)
1888 return -EINVAL;
1889 if (crop->c.width < 0)
1890 return -EINVAL;
1891
1892 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1893 return -EBUSY;
1894 if (res_locked(fh->dev,RESOURCE_VIDEO))
1895 return -EBUSY;
1896
1897 if (crop->c.top < b->top)
1898 crop->c.top = b->top;
1899 if (crop->c.top > b->top + b->height)
1900 crop->c.top = b->top + b->height;
1901 if (crop->c.height > b->top - crop->c.top + b->height)
1902 crop->c.height = b->top - crop->c.top + b->height;
1903
1904 if (crop->c.left < b->left)
9f95a0bf 1905 crop->c.left = b->left;
1da177e4 1906 if (crop->c.left > b->left + b->width)
9f95a0bf 1907 crop->c.left = b->left + b->width;
1da177e4
LT		 1908 if (crop->c.width > b->left - crop->c.left + b->width)
1909 crop->c.width = b->left - crop->c.left + b->width;
1910
1911 dev->crop_current = crop->c;
1912 return 0;
1913 }
1914
1915 /* --- tuner ioctls ------------------------------------------ */
1916 case VIDIOC_G_TUNER:
1917 {
1918 struct v4l2_tuner *t = arg;
1919 int n;
1920
1921 if (0 != t->index)
1922 return -EINVAL;
1923 memset(t,0,sizeof(*t));
1924 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1925 if (card_in(dev,n).tv)
1926 break;
1927 if (NULL != card_in(dev,n).name) {
1928 strcpy(t->name, "Television");
48c42596 1929 t->type = V4L2_TUNER_ANALOG_TV;
1da177e4
LT		 1930 t->capability = V4L2_TUNER_CAP_NORM |
1931 V4L2_TUNER_CAP_STEREO |
1932 V4L2_TUNER_CAP_LANG1 |
1933 V4L2_TUNER_CAP_LANG2;
1934 t->rangehigh = 0xffffffffUL;
1935 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1936 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1937 }
1938 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1939 t->signal = 0xffff;
1940 return 0;
1941 }
1942 case VIDIOC_S_TUNER:
1943 {
1944 struct v4l2_tuner *t = arg;
1945 int rx,mode;
1946
1947 mode = dev->thread.mode;
1948 if (UNSET == mode) {
1949 rx = saa7134_tvaudio_getstereo(dev);
1950 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1951 }
1952 if (mode != t->audmode) {
1953 dev->thread.mode = t->audmode;
1954 }
1955 return 0;
1956 }
1957 case VIDIOC_G_FREQUENCY:
1958 {
1959 struct v4l2_frequency *f = arg;
1960
1961 memset(f,0,sizeof(*f));
1962 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1963 f->frequency = dev->ctl_freq;
1964 return 0;
1965 }
1966 case VIDIOC_S_FREQUENCY:
1967 {
1968 struct v4l2_frequency *f = arg;
1969
1970 if (0 != f->tuner)
1971 return -EINVAL;
1972 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1973 return -EINVAL;
1974 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1975 return -EINVAL;
3593cab5 1976 mutex_lock(&dev->lock);
1da177e4 1977 dev->ctl_freq = f->frequency;
ac19ecc6 1978
1da177e4 1979 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
ac19ecc6 1980
1da177e4 1981 saa7134_tvaudio_do_scan(dev);
3593cab5 1982 mutex_unlock(&dev->lock);
1da177e4
LT		 1983 return 0;
1984 }
1985
1986 /* --- control ioctls ---------------------------------------- */
1987 case VIDIOC_ENUMINPUT:
1988 case VIDIOC_G_INPUT:
1989 case VIDIOC_S_INPUT:
1990 case VIDIOC_QUERYCTRL:
1991 case VIDIOC_G_CTRL:
1992 case VIDIOC_S_CTRL:
1993 return saa7134_common_ioctl(dev, cmd, arg);
1994
1995 case VIDIOC_G_AUDIO:
1996 {
1997 struct v4l2_audio *a = arg;
1998
1999 memset(a,0,sizeof(*a));
2000 strcpy(a->name,"audio");
2001 return 0;
2002 }
2003 case VIDIOC_S_AUDIO:
2004 return 0;
4ac97914
MCC		 2005 case VIDIOC_G_PARM:
2006 {
2007 struct v4l2_captureparm *parm = arg;
2008 memset(parm,0,sizeof(*parm));
2009 return 0;
2010 }
2011
2012 case VIDIOC_G_PRIORITY:
2013 {
2014 enum v4l2_priority *p = arg;
2015
2016 *p = v4l2_prio_max(&dev->prio);
2017 return 0;
2018 }
2019 case VIDIOC_S_PRIORITY:
2020 {
2021 enum v4l2_priority *prio = arg;
2022
2023 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
2024 }
1da177e4
LT		 2025
2026 /* --- preview ioctls ---------------------------------------- */
2027 case VIDIOC_ENUM_FMT:
2028 {
2029 struct v4l2_fmtdesc *f = arg;
2030 enum v4l2_buf_type type;
2031 unsigned int index;
2032
2033 index = f->index;
2034 type = f->type;
2035 switch (type) {
2036 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2037 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
ecb73774
MCC		 2038 if (saa7134_no_overlay > 0) {
2039 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2040 return -EINVAL;
2041 }
1da177e4
LT		 2042 if (index >= FORMATS)
2043 return -EINVAL;
2044 if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
2045 formats[index].planar)
2046 return -EINVAL;
2047 memset(f,0,sizeof(*f));
2048 f->index = index;
2049 f->type = type;
2050 strlcpy(f->description,formats[index].name,sizeof(f->description));
2051 f->pixelformat = formats[index].fourcc;
2052 break;
2053 case V4L2_BUF_TYPE_VBI_CAPTURE:
2054 if (0 != index)
2055 return -EINVAL;
2056 memset(f,0,sizeof(*f));
2057 f->index = index;
2058 f->type = type;
2059 f->pixelformat = V4L2_PIX_FMT_GREY;
2060 strcpy(f->description,"vbi data");
2061 break;
2062 default:
2063 return -EINVAL;
2064 }
2065 return 0;
2066 }
2067 case VIDIOC_G_FBUF:
2068 {
2069 struct v4l2_framebuffer *fb = arg;
2070
2071 *fb = dev->ovbuf;
2072 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2073 return 0;
2074 }
2075 case VIDIOC_S_FBUF:
2076 {
2077 struct v4l2_framebuffer *fb = arg;
2078 struct saa7134_format *fmt;
2079
2080 if(!capable(CAP_SYS_ADMIN) &&
2081 !capable(CAP_SYS_RAWIO))
2082 return -EPERM;
2083
2084 /* check args */
2085 fmt = format_by_fourcc(fb->fmt.pixelformat);
2086 if (NULL == fmt)
2087 return -EINVAL;
2088
2089 /* ok, accept it */
2090 dev->ovbuf = *fb;
2091 dev->ovfmt = fmt;
2092 if (0 == dev->ovbuf.fmt.bytesperline)
2093 dev->ovbuf.fmt.bytesperline =
2094 dev->ovbuf.fmt.width*fmt->depth/8;
2095 return 0;
2096 }
2097 case VIDIOC_OVERLAY:
2098 {
2099 int *on = arg;
2100
2101 if (*on) {
ecb73774
MCC		 2102 if (saa7134_no_overlay > 0) {
2103 printk ("no_overlay\n");
2104 return -EINVAL;
2105 }
2106
1da177e4
LT		 2107 if (!res_get(dev,fh,RESOURCE_OVERLAY))
2108 return -EBUSY;
2109 spin_lock_irqsave(&dev->slock,flags);
2110 start_preview(dev,fh);
2111 spin_unlock_irqrestore(&dev->slock,flags);
2112 }
2113 if (!*on) {
2114 if (!res_check(fh, RESOURCE_OVERLAY))
2115 return -EINVAL;
2116 spin_lock_irqsave(&dev->slock,flags);
2117 stop_preview(dev,fh);
2118 spin_unlock_irqrestore(&dev->slock,flags);
2119 res_free(dev,fh,RESOURCE_OVERLAY);
2120 }
2121 return 0;
2122 }
2123
2124 /* --- capture ioctls ---------------------------------------- */
2125 case VIDIOC_G_FMT:
2126 {
2127 struct v4l2_format *f = arg;
2128 return saa7134_g_fmt(dev,fh,f);
2129 }
2130 case VIDIOC_S_FMT:
2131 {
2132 struct v4l2_format *f = arg;
2133 return saa7134_s_fmt(dev,fh,f);
2134 }
2135 case VIDIOC_TRY_FMT:
2136 {
2137 struct v4l2_format *f = arg;
2138 return saa7134_try_fmt(dev,fh,f);
2139 }
0dfa9abd 2140#ifdef CONFIG_VIDEO_V4L1_COMPAT
1da177e4 2141 case VIDIOCGMBUF:
c1accaa2 2142 return videobuf_cgmbuf(saa7134_queue(fh), arg, gbuffers);
79436633 2143#endif
1da177e4
LT		 2144 case VIDIOC_REQBUFS:
2145 return videobuf_reqbufs(saa7134_queue(fh),arg);
2146
2147 case VIDIOC_QUERYBUF:
2148 return videobuf_querybuf(saa7134_queue(fh),arg);
2149
2150 case VIDIOC_QBUF:
2151 return videobuf_qbuf(saa7134_queue(fh),arg);
2152
2153 case VIDIOC_DQBUF:
2154 return videobuf_dqbuf(saa7134_queue(fh),arg,
2155 file->f_flags & O_NONBLOCK);
2156
2157 case VIDIOC_STREAMON:
2158 {
2159 int res = saa7134_resource(fh);
2160
4ac97914 2161 if (!res_get(dev,fh,res))
1da177e4
LT		 2162 return -EBUSY;
2163 return videobuf_streamon(saa7134_queue(fh));
2164 }
2165 case VIDIOC_STREAMOFF:
2166 {
2167 int res = saa7134_resource(fh);
2168
2169 err = videobuf_streamoff(saa7134_queue(fh));
2170 if (err < 0)
2171 return err;
2172 res_free(dev,fh,res);
2173 return 0;
2174 }
2175
2176 default:
2177 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2178 video_do_ioctl);
2179 }
2180 return 0;
2181}
2182
2183static int video_ioctl(struct inode *inode, struct file *file,
2184 unsigned int cmd, unsigned long arg)
2185{
2186 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2187}
2188
2189static int radio_do_ioctl(struct inode *inode, struct file *file,
2190 unsigned int cmd, void *arg)
2191{
2192 struct saa7134_fh *fh = file->private_data;
2193 struct saa7134_dev *dev = fh->dev;
2194
2195 if (video_debug > 1)
5e453dc7 2196 v4l_print_ioctl(dev->name,cmd);
1da177e4
LT		 2197 switch (cmd) {
2198 case VIDIOC_QUERYCAP:
2199 {
2200 struct v4l2_capability *cap = arg;
2201
2202 memset(cap,0,sizeof(*cap));
4ac97914 2203 strcpy(cap->driver, "saa7134");
1da177e4
LT		 2204 strlcpy(cap->card, saa7134_boards[dev->board].name,
2205 sizeof(cap->card));
2206 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2207 cap->version = SAA7134_VERSION_CODE;
2208 cap->capabilities = V4L2_CAP_TUNER;
2209 return 0;
2210 }
2211 case VIDIOC_G_TUNER:
2212 {
2213 struct v4l2_tuner *t = arg;
2214
2215 if (0 != t->index)
2216 return -EINVAL;
2217
2218 memset(t,0,sizeof(*t));
2219 strcpy(t->name, "Radio");
48c42596 2220 t->type = V4L2_TUNER_RADIO;
1da177e4 2221
ac19ecc6 2222 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2e7cf3ea
HH		 2223 if (dev->input->amux == TV) {
2224 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2225 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2226 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2227 }
ac19ecc6
MCC		 2228 return 0;
2229 }
2230 case VIDIOC_S_TUNER:
2231 {
2232 struct v4l2_tuner *t = arg;
2233
2234 if (0 != t->index)
2235 return -EINVAL;
2236
2237 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2238
1da177e4
LT		 2239 return 0;
2240 }
2241 case VIDIOC_ENUMINPUT:
2242 {
2243 struct v4l2_input *i = arg;
2244
2245 if (i->index != 0)
2246 return -EINVAL;
2247 strcpy(i->name,"Radio");
2248 i->type = V4L2_INPUT_TYPE_TUNER;
2249 return 0;
2250 }
2251 case VIDIOC_G_INPUT:
2252 {
2253 int *i = arg;
2254 *i = 0;
2255 return 0;
2256 }
2257 case VIDIOC_G_AUDIO:
2258 {
2259 struct v4l2_audio *a = arg;
2260
2261 memset(a,0,sizeof(*a));
2262 strcpy(a->name,"Radio");
2263 return 0;
2264 }
2265 case VIDIOC_G_STD:
2266 {
2267 v4l2_std_id *id = arg;
2268 *id = 0;
2269 return 0;
2270 }
2271 case VIDIOC_S_AUDIO:
1da177e4
LT		 2272 case VIDIOC_S_INPUT:
2273 case VIDIOC_S_STD:
2274 return 0;
2275
2276 case VIDIOC_QUERYCTRL:
2277 {
2278 const struct v4l2_queryctrl *ctrl;
2279 struct v4l2_queryctrl *c = arg;
2280
2281 if (c->id < V4L2_CID_BASE ||
2282 c->id >= V4L2_CID_LASTP1)
2283 return -EINVAL;
2284 if (c->id == V4L2_CID_AUDIO_MUTE) {
2285 ctrl = ctrl_by_id(c->id);
2286 *c = *ctrl;
2287 } else
2288 *c = no_ctrl;
2289 return 0;
2290 }
2291
2292 case VIDIOC_G_CTRL:
2293 case VIDIOC_S_CTRL:
2294 case VIDIOC_G_FREQUENCY:
2295 case VIDIOC_S_FREQUENCY:
2296 return video_do_ioctl(inode,file,cmd,arg);
2297
2298 default:
2299 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2300 radio_do_ioctl);
2301 }
2302 return 0;
2303}
2304
2305static int radio_ioctl(struct inode *inode, struct file *file,
2306 unsigned int cmd, unsigned long arg)
2307{
2308 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2309}
2310
fa027c2a 2311static const struct file_operations video_fops =
1da177e4
LT		 2312{
2313 .owner = THIS_MODULE,
2314 .open = video_open,
2315 .release = video_release,
2316 .read = video_read,
2317 .poll = video_poll,
2318 .mmap = video_mmap,
2319 .ioctl = video_ioctl,
0d0fbf81 2320 .compat_ioctl = v4l_compat_ioctl32,
1da177e4
LT		 2321 .llseek = no_llseek,
2322};
2323
fa027c2a 2324static const struct file_operations radio_fops =
1da177e4
LT		 2325{
2326 .owner = THIS_MODULE,
2327 .open = video_open,
2328 .release = video_release,
2329 .ioctl = radio_ioctl,
0d0fbf81 2330 .compat_ioctl = v4l_compat_ioctl32,
1da177e4
LT		 2331 .llseek = no_llseek,
2332};
2333
2334/* ----------------------------------------------------------- */
2335/* exported stuff */
2336
2337struct video_device saa7134_video_template =
2338{
2339 .name = "saa7134-video",
ecb73774 2340 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
4ac97914 2341 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
1da177e4
LT		 2342 .hardware = 0,
2343 .fops = &video_fops,
2344 .minor = -1,
2345};
2346
2347struct video_device saa7134_vbi_template =
2348{
2349 .name = "saa7134-vbi",
2350 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2351 .hardware = 0,
2352 .fops = &video_fops,
2353 .minor = -1,
2354};
2355
2356struct video_device saa7134_radio_template =
2357{
2358 .name = "saa7134-radio",
2359 .type = VID_TYPE_TUNER,
2360 .hardware = 0,
2361 .fops = &radio_fops,
2362 .minor = -1,
2363};
2364
2365int saa7134_video_init1(struct saa7134_dev *dev)
2366{
2367 /* sanitycheck insmod options */
2368 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2369 gbuffers = 2;
2370 if (gbufsize < 0 || gbufsize > gbufsize_max)
2371 gbufsize = gbufsize_max;
2372 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2373
2374 /* put some sensible defaults into the data structures ... */
2375 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2376 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2377 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2378 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2379 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2380 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2381 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2382 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2383
2384 if (dev->tda9887_conf && dev->ctl_automute)
2385 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2386 dev->automute = 0;
2387
4ac97914 2388 INIT_LIST_HEAD(&dev->video_q.queue);
1da177e4
LT		 2389 init_timer(&dev->video_q.timeout);
2390 dev->video_q.timeout.function = saa7134_buffer_timeout;
2391 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2392 dev->video_q.dev = dev;
2393
2394 if (saa7134_boards[dev->board].video_out) {
2395 /* enable video output */
2396 int vo = saa7134_boards[dev->board].video_out;
2f8d4f51
RB		 2397 int video_reg;
2398 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
1da177e4 2399 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2f8d4f51
RB		 2400 video_reg = video_out[vo][1];
2401 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2402 video_reg &= ~VP_T_CODE_P_INVERTED;
2403 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
1da177e4
LT		 2404 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2405 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2406 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2f8d4f51
RB		 2407 video_reg = video_out[vo][5];
2408 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2409 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2410 if (vid_port_opts & SET_CLOCK_INVERTED)
2411 video_reg |= VP_CLK_CTRL1_INVERTED;
2412 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2413 video_reg = video_out[vo][6];
2414 if (vid_port_opts & SET_VSYNC_OFF) {
2415 video_reg &= ~VP_VS_TYPE_MASK;
2416 video_reg |= VP_VS_TYPE_OFF;
2417 }
2418 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
1da177e4
LT		 2419 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2420 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2421 }
2422
2423 return 0;
2424}
2425
2426int saa7134_video_init2(struct saa7134_dev *dev)
2427{
2428 /* init video hw */
2429 set_tvnorm(dev,&tvnorms[0]);
2430 video_mux(dev,0);
2431 saa7134_tvaudio_setmute(dev);
2432 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2433 return 0;
2434}
2435
1da177e4
LT		 2436void saa7134_irq_video_intl(struct saa7134_dev *dev)
2437{
2438 static const char *st[] = {
2439 "(no signal)", "NTSC", "PAL", "SECAM" };
2440 u32 st1,st2;
2441
2442 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2443 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2444 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2445 (st1 & 0x40) ? "not locked" : "locked",
2446 (st2 & 0x40) ? "no" : "yes",
2447 st[st1 & 0x03]);
2448 dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2449
2450 if (dev->nosignal) {
2451 /* no video signal -> mute audio */
2452 if (dev->ctl_automute)
2453 dev->automute = 1;
2454 saa7134_tvaudio_setmute(dev);
2455 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2456 } else {
2457 /* wake up tvaudio audio carrier scan thread */
2458 saa7134_tvaudio_do_scan(dev);
2459 if (!noninterlaced)
2460 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2461 }
2462 if (dev->mops && dev->mops->signal_change)
2463 dev->mops->signal_change(dev);
2464}
2465
2466void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2467{
2468 enum v4l2_field field;
2469
2470 spin_lock(&dev->slock);
2471 if (dev->video_q.curr) {
2472 dev->video_fieldcount++;
2473 field = dev->video_q.curr->vb.field;
2474 if (V4L2_FIELD_HAS_BOTH(field)) {
2475 /* make sure we have seen both fields */
2476 if ((status & 0x10) == 0x00) {
2477 dev->video_q.curr->top_seen = 1;
2478 goto done;
2479 }
2480 if (!dev->video_q.curr->top_seen)
2481 goto done;
2482 } else if (field == V4L2_FIELD_TOP) {
2483 if ((status & 0x10) != 0x10)
2484 goto done;
2485 } else if (field == V4L2_FIELD_BOTTOM) {
2486 if ((status & 0x10) != 0x00)
2487 goto done;
2488 }
2489 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2490 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2491 }
2492 saa7134_buffer_next(dev,&dev->video_q);
2493
2494 done:
2495 spin_unlock(&dev->slock);
2496}
2497
2498/* ----------------------------------------------------------- */
2499/*
2500 * Local variables:
2501 * c-basic-offset: 8
2502 * End:
2503 */
Linux kernel - Deliverables
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