PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / media / pci / saa7134 / saa7134-video.c
blobeb472b5b26a08e52ac392f436b5ee845a8981d12
1 /*
3 * device driver for philips saa7134 based TV cards
4 * video4linux video interface
6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
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.
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.
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.
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/kernel.h>
27 #include <linux/slab.h>
28 #include <linux/sort.h>
30 #include <media/v4l2-common.h>
31 #include <media/v4l2-event.h>
32 #include <media/saa6588.h>
34 #include "saa7134-reg.h"
35 #include "saa7134.h"
37 /* ------------------------------------------------------------------ */
39 unsigned int video_debug;
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 static char secam[] = "--";
45 module_param(video_debug, int, 0644);
46 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
47 module_param(gbuffers, int, 0444);
48 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
49 module_param(noninterlaced, int, 0644);
50 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
51 module_param_string(secam, secam, sizeof(secam), 0644);
52 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
55 #define dprintk(fmt, arg...) if (video_debug&0x04) \
56 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
58 /* ------------------------------------------------------------------ */
59 /* Defines for Video Output Port Register at address 0x191 */
61 /* Bit 0: VIP code T bit polarity */
63 #define VP_T_CODE_P_NON_INVERTED 0x00
64 #define VP_T_CODE_P_INVERTED 0x01
66 /* ------------------------------------------------------------------ */
67 /* Defines for Video Output Port Register at address 0x195 */
69 /* Bit 2: Video output clock delay control */
71 #define VP_CLK_CTRL2_NOT_DELAYED 0x00
72 #define VP_CLK_CTRL2_DELAYED 0x04
74 /* Bit 1: Video output clock invert control */
76 #define VP_CLK_CTRL1_NON_INVERTED 0x00
77 #define VP_CLK_CTRL1_INVERTED 0x02
79 /* ------------------------------------------------------------------ */
80 /* Defines for Video Output Port Register at address 0x196 */
82 /* Bits 2 to 0: VSYNC pin video vertical sync type */
84 #define VP_VS_TYPE_MASK 0x07
86 #define VP_VS_TYPE_OFF 0x00
87 #define VP_VS_TYPE_V123 0x01
88 #define VP_VS_TYPE_V_ITU 0x02
89 #define VP_VS_TYPE_VGATE_L 0x03
90 #define VP_VS_TYPE_RESERVED1 0x04
91 #define VP_VS_TYPE_RESERVED2 0x05
92 #define VP_VS_TYPE_F_ITU 0x06
93 #define VP_VS_TYPE_SC_FID 0x07
95 /* ------------------------------------------------------------------ */
96 /* data structs for video */
98 static int video_out[][9] = {
99 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
102 static struct saa7134_format formats[] = {
104 .name = "8 bpp gray",
105 .fourcc = V4L2_PIX_FMT_GREY,
106 .depth = 8,
107 .pm = 0x06,
109 .name = "15 bpp RGB, le",
110 .fourcc = V4L2_PIX_FMT_RGB555,
111 .depth = 16,
112 .pm = 0x13 | 0x80,
114 .name = "15 bpp RGB, be",
115 .fourcc = V4L2_PIX_FMT_RGB555X,
116 .depth = 16,
117 .pm = 0x13 | 0x80,
118 .bswap = 1,
120 .name = "16 bpp RGB, le",
121 .fourcc = V4L2_PIX_FMT_RGB565,
122 .depth = 16,
123 .pm = 0x10 | 0x80,
125 .name = "16 bpp RGB, be",
126 .fourcc = V4L2_PIX_FMT_RGB565X,
127 .depth = 16,
128 .pm = 0x10 | 0x80,
129 .bswap = 1,
131 .name = "24 bpp RGB, le",
132 .fourcc = V4L2_PIX_FMT_BGR24,
133 .depth = 24,
134 .pm = 0x11,
136 .name = "24 bpp RGB, be",
137 .fourcc = V4L2_PIX_FMT_RGB24,
138 .depth = 24,
139 .pm = 0x11,
140 .bswap = 1,
142 .name = "32 bpp RGB, le",
143 .fourcc = V4L2_PIX_FMT_BGR32,
144 .depth = 32,
145 .pm = 0x12,
147 .name = "32 bpp RGB, be",
148 .fourcc = V4L2_PIX_FMT_RGB32,
149 .depth = 32,
150 .pm = 0x12,
151 .bswap = 1,
152 .wswap = 1,
154 .name = "4:2:2 packed, YUYV",
155 .fourcc = V4L2_PIX_FMT_YUYV,
156 .depth = 16,
157 .pm = 0x00,
158 .bswap = 1,
159 .yuv = 1,
161 .name = "4:2:2 packed, UYVY",
162 .fourcc = V4L2_PIX_FMT_UYVY,
163 .depth = 16,
164 .pm = 0x00,
165 .yuv = 1,
167 .name = "4:2:2 planar, Y-Cb-Cr",
168 .fourcc = V4L2_PIX_FMT_YUV422P,
169 .depth = 16,
170 .pm = 0x09,
171 .yuv = 1,
172 .planar = 1,
173 .hshift = 1,
174 .vshift = 0,
176 .name = "4:2:0 planar, Y-Cb-Cr",
177 .fourcc = V4L2_PIX_FMT_YUV420,
178 .depth = 12,
179 .pm = 0x0a,
180 .yuv = 1,
181 .planar = 1,
182 .hshift = 1,
183 .vshift = 1,
185 .name = "4:2:0 planar, Y-Cb-Cr",
186 .fourcc = V4L2_PIX_FMT_YVU420,
187 .depth = 12,
188 .pm = 0x0a,
189 .yuv = 1,
190 .planar = 1,
191 .uvswap = 1,
192 .hshift = 1,
193 .vshift = 1,
196 #define FORMATS ARRAY_SIZE(formats)
198 #define NORM_625_50 \
199 .h_start = 0, \
200 .h_stop = 719, \
201 .video_v_start = 24, \
202 .video_v_stop = 311, \
203 .vbi_v_start_0 = 7, \
204 .vbi_v_stop_0 = 22, \
205 .vbi_v_start_1 = 319, \
206 .src_timing = 4
208 #define NORM_525_60 \
209 .h_start = 0, \
210 .h_stop = 719, \
211 .video_v_start = 23, \
212 .video_v_stop = 262, \
213 .vbi_v_start_0 = 10, \
214 .vbi_v_stop_0 = 21, \
215 .vbi_v_start_1 = 273, \
216 .src_timing = 7
218 static struct saa7134_tvnorm tvnorms[] = {
220 .name = "PAL", /* autodetect */
221 .id = V4L2_STD_PAL,
222 NORM_625_50,
224 .sync_control = 0x18,
225 .luma_control = 0x40,
226 .chroma_ctrl1 = 0x81,
227 .chroma_gain = 0x2a,
228 .chroma_ctrl2 = 0x06,
229 .vgate_misc = 0x1c,
232 .name = "PAL-BG",
233 .id = V4L2_STD_PAL_BG,
234 NORM_625_50,
236 .sync_control = 0x18,
237 .luma_control = 0x40,
238 .chroma_ctrl1 = 0x81,
239 .chroma_gain = 0x2a,
240 .chroma_ctrl2 = 0x06,
241 .vgate_misc = 0x1c,
244 .name = "PAL-I",
245 .id = V4L2_STD_PAL_I,
246 NORM_625_50,
248 .sync_control = 0x18,
249 .luma_control = 0x40,
250 .chroma_ctrl1 = 0x81,
251 .chroma_gain = 0x2a,
252 .chroma_ctrl2 = 0x06,
253 .vgate_misc = 0x1c,
256 .name = "PAL-DK",
257 .id = V4L2_STD_PAL_DK,
258 NORM_625_50,
260 .sync_control = 0x18,
261 .luma_control = 0x40,
262 .chroma_ctrl1 = 0x81,
263 .chroma_gain = 0x2a,
264 .chroma_ctrl2 = 0x06,
265 .vgate_misc = 0x1c,
268 .name = "NTSC",
269 .id = V4L2_STD_NTSC,
270 NORM_525_60,
272 .sync_control = 0x59,
273 .luma_control = 0x40,
274 .chroma_ctrl1 = 0x89,
275 .chroma_gain = 0x2a,
276 .chroma_ctrl2 = 0x0e,
277 .vgate_misc = 0x18,
280 .name = "SECAM",
281 .id = V4L2_STD_SECAM,
282 NORM_625_50,
284 .sync_control = 0x18,
285 .luma_control = 0x1b,
286 .chroma_ctrl1 = 0xd1,
287 .chroma_gain = 0x80,
288 .chroma_ctrl2 = 0x00,
289 .vgate_misc = 0x1c,
292 .name = "SECAM-DK",
293 .id = V4L2_STD_SECAM_DK,
294 NORM_625_50,
296 .sync_control = 0x18,
297 .luma_control = 0x1b,
298 .chroma_ctrl1 = 0xd1,
299 .chroma_gain = 0x80,
300 .chroma_ctrl2 = 0x00,
301 .vgate_misc = 0x1c,
304 .name = "SECAM-L",
305 .id = V4L2_STD_SECAM_L,
306 NORM_625_50,
308 .sync_control = 0x18,
309 .luma_control = 0x1b,
310 .chroma_ctrl1 = 0xd1,
311 .chroma_gain = 0x80,
312 .chroma_ctrl2 = 0x00,
313 .vgate_misc = 0x1c,
316 .name = "SECAM-Lc",
317 .id = V4L2_STD_SECAM_LC,
318 NORM_625_50,
320 .sync_control = 0x18,
321 .luma_control = 0x1b,
322 .chroma_ctrl1 = 0xd1,
323 .chroma_gain = 0x80,
324 .chroma_ctrl2 = 0x00,
325 .vgate_misc = 0x1c,
328 .name = "PAL-M",
329 .id = V4L2_STD_PAL_M,
330 NORM_525_60,
332 .sync_control = 0x59,
333 .luma_control = 0x40,
334 .chroma_ctrl1 = 0xb9,
335 .chroma_gain = 0x2a,
336 .chroma_ctrl2 = 0x0e,
337 .vgate_misc = 0x18,
340 .name = "PAL-Nc",
341 .id = V4L2_STD_PAL_Nc,
342 NORM_625_50,
344 .sync_control = 0x18,
345 .luma_control = 0x40,
346 .chroma_ctrl1 = 0xa1,
347 .chroma_gain = 0x2a,
348 .chroma_ctrl2 = 0x06,
349 .vgate_misc = 0x1c,
352 .name = "PAL-60",
353 .id = V4L2_STD_PAL_60,
355 .h_start = 0,
356 .h_stop = 719,
357 .video_v_start = 23,
358 .video_v_stop = 262,
359 .vbi_v_start_0 = 10,
360 .vbi_v_stop_0 = 21,
361 .vbi_v_start_1 = 273,
362 .src_timing = 7,
364 .sync_control = 0x18,
365 .luma_control = 0x40,
366 .chroma_ctrl1 = 0x81,
367 .chroma_gain = 0x2a,
368 .chroma_ctrl2 = 0x06,
369 .vgate_misc = 0x1c,
372 #define TVNORMS ARRAY_SIZE(tvnorms)
374 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
376 unsigned int i;
378 for (i = 0; i < FORMATS; i++)
379 if (formats[i].fourcc == fourcc)
380 return formats+i;
381 return NULL;
384 /* ----------------------------------------------------------------------- */
385 /* resource management */
387 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
389 if (fh->resources & bit)
390 /* have it already allocated */
391 return 1;
393 /* is it free? */
394 mutex_lock(&dev->lock);
395 if (dev->resources & bit) {
396 /* no, someone else uses it */
397 mutex_unlock(&dev->lock);
398 return 0;
400 /* it's free, grab it */
401 fh->resources |= bit;
402 dev->resources |= bit;
403 dprintk("res: get %d\n",bit);
404 mutex_unlock(&dev->lock);
405 return 1;
408 static
409 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
411 BUG_ON((fh->resources & bits) != bits);
413 mutex_lock(&dev->lock);
414 fh->resources &= ~bits;
415 dev->resources &= ~bits;
416 dprintk("res: put %d\n",bits);
417 mutex_unlock(&dev->lock);
420 /* ------------------------------------------------------------------ */
422 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
424 dprintk("set tv norm = %s\n",norm->name);
425 dev->tvnorm = norm;
427 /* setup cropping */
428 dev->crop_bounds.left = norm->h_start;
429 dev->crop_defrect.left = norm->h_start;
430 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
431 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
433 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
434 dev->crop_defrect.top = norm->video_v_start*2;
435 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
436 - dev->crop_bounds.top;
437 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
439 dev->crop_current = dev->crop_defrect;
441 saa7134_set_tvnorm_hw(dev);
444 static void video_mux(struct saa7134_dev *dev, int input)
446 dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
447 dev->ctl_input = input;
448 set_tvnorm(dev, dev->tvnorm);
449 saa7134_tvaudio_setinput(dev, &card_in(dev, input));
453 static void saa7134_set_decoder(struct saa7134_dev *dev)
455 int luma_control, sync_control, mux;
457 struct saa7134_tvnorm *norm = dev->tvnorm;
458 mux = card_in(dev, dev->ctl_input).vmux;
460 luma_control = norm->luma_control;
461 sync_control = norm->sync_control;
463 if (mux > 5)
464 luma_control |= 0x80; /* svideo */
465 if (noninterlaced || dev->nosignal)
466 sync_control |= 0x20;
468 /* setup video decoder */
469 saa_writeb(SAA7134_INCR_DELAY, 0x08);
470 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
471 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
473 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
474 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
475 saa_writeb(SAA7134_HSYNC_START, 0xeb);
476 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
477 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
479 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
480 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
481 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
483 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
484 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
486 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
487 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
489 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
490 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
491 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
493 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
494 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
496 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
497 saa_writeb(SAA7134_VGATE_START, 0x11);
498 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
499 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
500 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
501 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
504 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
506 saa7134_set_decoder(dev);
508 if (card_in(dev, dev->ctl_input).tv)
509 saa_call_all(dev, core, s_std, dev->tvnorm->id);
510 /* Set the correct norm for the saa6752hs. This function
511 does nothing if there is no saa6752hs. */
512 saa_call_empress(dev, core, s_std, dev->tvnorm->id);
515 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
517 static const struct {
518 int xpsc;
519 int xacl;
520 int xc2_1;
521 int xdcg;
522 int vpfy;
523 } vals[] = {
524 /* XPSC XACL XC2_1 XDCG VPFY */
525 { 1, 0, 0, 0, 0 },
526 { 2, 2, 1, 2, 2 },
527 { 3, 4, 1, 3, 2 },
528 { 4, 8, 1, 4, 2 },
529 { 5, 8, 1, 4, 2 },
530 { 6, 8, 1, 4, 3 },
531 { 7, 8, 1, 4, 3 },
532 { 8, 15, 0, 4, 3 },
533 { 9, 15, 0, 4, 3 },
534 { 10, 16, 1, 5, 3 },
536 static const int count = ARRAY_SIZE(vals);
537 int i;
539 for (i = 0; i < count; i++)
540 if (vals[i].xpsc == prescale)
541 break;
542 if (i == count)
543 return;
545 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
546 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
547 saa_writeb(SAA7134_LEVEL_CTRL(task),
548 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
549 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
550 (vals[i].vpfy << 2) | vals[i].vpfy);
553 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
555 int val,mirror;
557 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
558 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
560 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
561 if (yscale < 2048) {
562 /* LPI */
563 dprintk("yscale LPI yscale=%d\n",yscale);
564 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
565 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
566 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
567 } else {
568 /* ACM */
569 val = 0x40 * 1024 / yscale;
570 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
571 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
572 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
573 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
575 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
578 static void set_size(struct saa7134_dev *dev, int task,
579 int width, int height, int interlace)
581 int prescale,xscale,yscale,y_even,y_odd;
582 int h_start, h_stop, v_start, v_stop;
583 int div = interlace ? 2 : 1;
585 /* setup video scaler */
586 h_start = dev->crop_current.left;
587 v_start = dev->crop_current.top/2;
588 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
589 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
591 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
592 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
593 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
594 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
595 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
596 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
597 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
598 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
600 prescale = dev->crop_current.width / width;
601 if (0 == prescale)
602 prescale = 1;
603 xscale = 1024 * dev->crop_current.width / prescale / width;
604 yscale = 512 * div * dev->crop_current.height / height;
605 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
606 set_h_prescale(dev,task,prescale);
607 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
608 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
609 set_v_scale(dev,task,yscale);
611 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
612 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
613 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
614 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
616 /* deinterlace y offsets */
617 y_odd = dev->ctl_y_odd;
618 y_even = dev->ctl_y_even;
619 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
620 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
621 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
622 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
625 /* ------------------------------------------------------------------ */
627 struct cliplist {
628 __u16 position;
629 __u8 enable;
630 __u8 disable;
633 static void set_cliplist(struct saa7134_dev *dev, int reg,
634 struct cliplist *cl, int entries, char *name)
636 __u8 winbits = 0;
637 int i;
639 for (i = 0; i < entries; i++) {
640 winbits |= cl[i].enable;
641 winbits &= ~cl[i].disable;
642 if (i < 15 && cl[i].position == cl[i+1].position)
643 continue;
644 saa_writeb(reg + 0, winbits);
645 saa_writeb(reg + 2, cl[i].position & 0xff);
646 saa_writeb(reg + 3, cl[i].position >> 8);
647 dprintk("clip: %s winbits=%02x pos=%d\n",
648 name,winbits,cl[i].position);
649 reg += 8;
651 for (; reg < 0x400; reg += 8) {
652 saa_writeb(reg+ 0, 0);
653 saa_writeb(reg + 1, 0);
654 saa_writeb(reg + 2, 0);
655 saa_writeb(reg + 3, 0);
659 static int clip_range(int val)
661 if (val < 0)
662 val = 0;
663 return val;
666 /* Sort into smallest position first order */
667 static int cliplist_cmp(const void *a, const void *b)
669 const struct cliplist *cla = a;
670 const struct cliplist *clb = b;
671 if (cla->position < clb->position)
672 return -1;
673 if (cla->position > clb->position)
674 return 1;
675 return 0;
678 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
679 int nclips, int interlace)
681 struct cliplist col[16], row[16];
682 int cols = 0, rows = 0, i;
683 int div = interlace ? 2 : 1;
685 memset(col, 0, sizeof(col));
686 memset(row, 0, sizeof(row));
687 for (i = 0; i < nclips && i < 8; i++) {
688 col[cols].position = clip_range(clips[i].c.left);
689 col[cols].enable = (1 << i);
690 cols++;
691 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
692 col[cols].disable = (1 << i);
693 cols++;
694 row[rows].position = clip_range(clips[i].c.top / div);
695 row[rows].enable = (1 << i);
696 rows++;
697 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
698 / div);
699 row[rows].disable = (1 << i);
700 rows++;
702 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
703 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
704 set_cliplist(dev,0x380,col,cols,"cols");
705 set_cliplist(dev,0x384,row,rows,"rows");
706 return 0;
709 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
711 enum v4l2_field field;
712 int maxw, maxh;
714 if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
715 return -EINVAL;
716 if (win->w.width < 48)
717 win->w.width = 48;
718 if (win->w.height < 32)
719 win->w.height = 32;
720 if (win->clipcount > 8)
721 win->clipcount = 8;
723 win->chromakey = 0;
724 win->global_alpha = 0;
725 field = win->field;
726 maxw = dev->crop_current.width;
727 maxh = dev->crop_current.height;
729 if (V4L2_FIELD_ANY == field) {
730 field = (win->w.height > maxh/2)
731 ? V4L2_FIELD_INTERLACED
732 : V4L2_FIELD_TOP;
734 switch (field) {
735 case V4L2_FIELD_TOP:
736 case V4L2_FIELD_BOTTOM:
737 maxh = maxh / 2;
738 break;
739 default:
740 field = V4L2_FIELD_INTERLACED;
741 break;
744 win->field = field;
745 if (win->w.width > maxw)
746 win->w.width = maxw;
747 if (win->w.height > maxh)
748 win->w.height = maxh;
749 return 0;
752 static int start_preview(struct saa7134_dev *dev)
754 unsigned long base,control,bpl;
755 int err;
757 err = verify_preview(dev, &dev->win, false);
758 if (0 != err)
759 return err;
761 dev->ovfield = dev->win.field;
762 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
763 dev->win.w.width, dev->win.w.height,
764 dev->win.w.left, dev->win.w.top,
765 dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
767 /* setup window + clipping */
768 set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
769 V4L2_FIELD_HAS_BOTH(dev->ovfield));
770 setup_clipping(dev, dev->clips, dev->nclips,
771 V4L2_FIELD_HAS_BOTH(dev->ovfield));
772 if (dev->ovfmt->yuv)
773 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
774 else
775 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
776 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
778 /* dma: setup channel 1 (= Video Task B) */
779 base = (unsigned long)dev->ovbuf.base;
780 base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
781 base += dev->ovfmt->depth/8 * dev->win.w.left;
782 bpl = dev->ovbuf.fmt.bytesperline;
783 control = SAA7134_RS_CONTROL_BURST_16;
784 if (dev->ovfmt->bswap)
785 control |= SAA7134_RS_CONTROL_BSWAP;
786 if (dev->ovfmt->wswap)
787 control |= SAA7134_RS_CONTROL_WSWAP;
788 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
789 saa_writel(SAA7134_RS_BA1(1),base);
790 saa_writel(SAA7134_RS_BA2(1),base+bpl);
791 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
792 saa_writel(SAA7134_RS_CONTROL(1),control);
793 } else {
794 saa_writel(SAA7134_RS_BA1(1),base);
795 saa_writel(SAA7134_RS_BA2(1),base);
796 saa_writel(SAA7134_RS_PITCH(1),bpl);
797 saa_writel(SAA7134_RS_CONTROL(1),control);
800 /* start dma */
801 dev->ovenable = 1;
802 saa7134_set_dmabits(dev);
804 return 0;
807 static int stop_preview(struct saa7134_dev *dev)
809 dev->ovenable = 0;
810 saa7134_set_dmabits(dev);
811 return 0;
814 /* ------------------------------------------------------------------ */
816 static int buffer_activate(struct saa7134_dev *dev,
817 struct saa7134_buf *buf,
818 struct saa7134_buf *next)
820 unsigned long base,control,bpl;
821 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
823 dprintk("buffer_activate buf=%p\n",buf);
824 buf->vb.state = VIDEOBUF_ACTIVE;
825 buf->top_seen = 0;
827 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
828 V4L2_FIELD_HAS_BOTH(buf->vb.field));
829 if (buf->fmt->yuv)
830 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
831 else
832 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
833 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
835 /* DMA: setup channel 0 (= Video Task A0) */
836 base = saa7134_buffer_base(buf);
837 if (buf->fmt->planar)
838 bpl = buf->vb.width;
839 else
840 bpl = (buf->vb.width * buf->fmt->depth) / 8;
841 control = SAA7134_RS_CONTROL_BURST_16 |
842 SAA7134_RS_CONTROL_ME |
843 (buf->pt->dma >> 12);
844 if (buf->fmt->bswap)
845 control |= SAA7134_RS_CONTROL_BSWAP;
846 if (buf->fmt->wswap)
847 control |= SAA7134_RS_CONTROL_WSWAP;
848 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
849 /* interlaced */
850 saa_writel(SAA7134_RS_BA1(0),base);
851 saa_writel(SAA7134_RS_BA2(0),base+bpl);
852 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
853 } else {
854 /* non-interlaced */
855 saa_writel(SAA7134_RS_BA1(0),base);
856 saa_writel(SAA7134_RS_BA2(0),base);
857 saa_writel(SAA7134_RS_PITCH(0),bpl);
859 saa_writel(SAA7134_RS_CONTROL(0),control);
861 if (buf->fmt->planar) {
862 /* DMA: setup channel 4+5 (= planar task A) */
863 bpl_uv = bpl >> buf->fmt->hshift;
864 lines_uv = buf->vb.height >> buf->fmt->vshift;
865 base2 = base + bpl * buf->vb.height;
866 base3 = base2 + bpl_uv * lines_uv;
867 if (buf->fmt->uvswap)
868 tmp = base2, base2 = base3, base3 = tmp;
869 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
870 bpl_uv,lines_uv,base2,base3);
871 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
872 /* interlaced */
873 saa_writel(SAA7134_RS_BA1(4),base2);
874 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
875 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
876 saa_writel(SAA7134_RS_BA1(5),base3);
877 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
878 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
879 } else {
880 /* non-interlaced */
881 saa_writel(SAA7134_RS_BA1(4),base2);
882 saa_writel(SAA7134_RS_BA2(4),base2);
883 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
884 saa_writel(SAA7134_RS_BA1(5),base3);
885 saa_writel(SAA7134_RS_BA2(5),base3);
886 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
888 saa_writel(SAA7134_RS_CONTROL(4),control);
889 saa_writel(SAA7134_RS_CONTROL(5),control);
892 /* start DMA */
893 saa7134_set_dmabits(dev);
894 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
895 return 0;
898 static int buffer_prepare(struct videobuf_queue *q,
899 struct videobuf_buffer *vb,
900 enum v4l2_field field)
902 struct saa7134_dev *dev = q->priv_data;
903 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
904 unsigned int size;
905 int err;
907 /* sanity checks */
908 if (NULL == dev->fmt)
909 return -EINVAL;
910 if (dev->width < 48 ||
911 dev->height < 32 ||
912 dev->width/4 > dev->crop_current.width ||
913 dev->height/4 > dev->crop_current.height ||
914 dev->width > dev->crop_bounds.width ||
915 dev->height > dev->crop_bounds.height)
916 return -EINVAL;
917 size = (dev->width * dev->height * dev->fmt->depth) >> 3;
918 if (0 != buf->vb.baddr && buf->vb.bsize < size)
919 return -EINVAL;
921 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
922 vb->i, dev->width, dev->height, size, v4l2_field_names[field],
923 dev->fmt->name);
924 if (buf->vb.width != dev->width ||
925 buf->vb.height != dev->height ||
926 buf->vb.size != size ||
927 buf->vb.field != field ||
928 buf->fmt != dev->fmt) {
929 saa7134_dma_free(q,buf);
932 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
933 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
935 buf->vb.width = dev->width;
936 buf->vb.height = dev->height;
937 buf->vb.size = size;
938 buf->vb.field = field;
939 buf->fmt = dev->fmt;
940 buf->pt = &dev->pt_cap;
941 dev->video_q.curr = NULL;
943 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
944 if (err)
945 goto oops;
946 err = saa7134_pgtable_build(dev->pci,buf->pt,
947 dma->sglist,
948 dma->sglen,
949 saa7134_buffer_startpage(buf));
950 if (err)
951 goto oops;
953 buf->vb.state = VIDEOBUF_PREPARED;
954 buf->activate = buffer_activate;
955 return 0;
957 oops:
958 saa7134_dma_free(q,buf);
959 return err;
962 static int
963 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
965 struct saa7134_dev *dev = q->priv_data;
967 *size = dev->fmt->depth * dev->width * dev->height >> 3;
968 if (0 == *count)
969 *count = gbuffers;
970 *count = saa7134_buffer_count(*size,*count);
971 return 0;
974 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
976 struct saa7134_dev *dev = q->priv_data;
977 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
979 saa7134_buffer_queue(dev, &dev->video_q, buf);
982 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
984 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
986 saa7134_dma_free(q,buf);
989 static struct videobuf_queue_ops video_qops = {
990 .buf_setup = buffer_setup,
991 .buf_prepare = buffer_prepare,
992 .buf_queue = buffer_queue,
993 .buf_release = buffer_release,
996 /* ------------------------------------------------------------------ */
998 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
1000 struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
1001 unsigned long flags;
1002 int restart_overlay = 0;
1004 switch (ctrl->id) {
1005 case V4L2_CID_BRIGHTNESS:
1006 dev->ctl_bright = ctrl->val;
1007 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
1008 break;
1009 case V4L2_CID_HUE:
1010 dev->ctl_hue = ctrl->val;
1011 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
1012 break;
1013 case V4L2_CID_CONTRAST:
1014 dev->ctl_contrast = ctrl->val;
1015 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1016 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1017 break;
1018 case V4L2_CID_SATURATION:
1019 dev->ctl_saturation = ctrl->val;
1020 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1021 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1022 break;
1023 case V4L2_CID_AUDIO_MUTE:
1024 dev->ctl_mute = ctrl->val;
1025 saa7134_tvaudio_setmute(dev);
1026 break;
1027 case V4L2_CID_AUDIO_VOLUME:
1028 dev->ctl_volume = ctrl->val;
1029 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1030 break;
1031 case V4L2_CID_PRIVATE_INVERT:
1032 dev->ctl_invert = ctrl->val;
1033 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1034 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1035 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1036 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1037 break;
1038 case V4L2_CID_HFLIP:
1039 dev->ctl_mirror = ctrl->val;
1040 restart_overlay = 1;
1041 break;
1042 case V4L2_CID_PRIVATE_Y_EVEN:
1043 dev->ctl_y_even = ctrl->val;
1044 restart_overlay = 1;
1045 break;
1046 case V4L2_CID_PRIVATE_Y_ODD:
1047 dev->ctl_y_odd = ctrl->val;
1048 restart_overlay = 1;
1049 break;
1050 case V4L2_CID_PRIVATE_AUTOMUTE:
1052 struct v4l2_priv_tun_config tda9887_cfg;
1054 tda9887_cfg.tuner = TUNER_TDA9887;
1055 tda9887_cfg.priv = &dev->tda9887_conf;
1057 dev->ctl_automute = ctrl->val;
1058 if (dev->tda9887_conf) {
1059 if (dev->ctl_automute)
1060 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1061 else
1062 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1064 saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1066 break;
1068 default:
1069 return -EINVAL;
1071 if (restart_overlay && res_locked(dev, RESOURCE_OVERLAY)) {
1072 spin_lock_irqsave(&dev->slock, flags);
1073 stop_preview(dev);
1074 start_preview(dev);
1075 spin_unlock_irqrestore(&dev->slock, flags);
1077 return 0;
1080 /* ------------------------------------------------------------------ */
1082 static struct videobuf_queue *saa7134_queue(struct file *file)
1084 struct video_device *vdev = video_devdata(file);
1085 struct saa7134_dev *dev = video_drvdata(file);
1086 struct saa7134_fh *fh = file->private_data;
1087 struct videobuf_queue *q = NULL;
1089 switch (vdev->vfl_type) {
1090 case VFL_TYPE_GRABBER:
1091 q = fh->is_empress ? &dev->empress_tsq : &dev->cap;
1092 break;
1093 case VFL_TYPE_VBI:
1094 q = &dev->vbi;
1095 break;
1096 default:
1097 BUG();
1099 return q;
1102 static int saa7134_resource(struct file *file)
1104 struct video_device *vdev = video_devdata(file);
1105 struct saa7134_fh *fh = file->private_data;
1107 if (vdev->vfl_type == VFL_TYPE_GRABBER)
1108 return fh->is_empress ? RESOURCE_EMPRESS : RESOURCE_VIDEO;
1110 if (vdev->vfl_type == VFL_TYPE_VBI)
1111 return RESOURCE_VBI;
1113 BUG();
1114 return 0;
1117 static int video_open(struct file *file)
1119 struct video_device *vdev = video_devdata(file);
1120 struct saa7134_dev *dev = video_drvdata(file);
1121 struct saa7134_fh *fh;
1123 /* allocate + initialize per filehandle data */
1124 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1125 if (NULL == fh)
1126 return -ENOMEM;
1128 v4l2_fh_init(&fh->fh, vdev);
1129 file->private_data = fh;
1131 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1132 /* switch to radio mode */
1133 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1134 saa_call_all(dev, tuner, s_radio);
1135 } else {
1136 /* switch to video/vbi mode */
1137 video_mux(dev,dev->ctl_input);
1139 v4l2_fh_add(&fh->fh);
1141 return 0;
1144 static ssize_t
1145 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1147 struct video_device *vdev = video_devdata(file);
1148 struct saa7134_dev *dev = video_drvdata(file);
1149 struct saa7134_fh *fh = file->private_data;
1151 switch (vdev->vfl_type) {
1152 case VFL_TYPE_GRABBER:
1153 if (res_locked(dev, RESOURCE_VIDEO))
1154 return -EBUSY;
1155 return videobuf_read_one(saa7134_queue(file),
1156 data, count, ppos,
1157 file->f_flags & O_NONBLOCK);
1158 case VFL_TYPE_VBI:
1159 if (!res_get(dev, fh, RESOURCE_VBI))
1160 return -EBUSY;
1161 return videobuf_read_stream(saa7134_queue(file),
1162 data, count, ppos, 1,
1163 file->f_flags & O_NONBLOCK);
1164 break;
1165 default:
1166 BUG();
1167 return 0;
1171 static unsigned int
1172 video_poll(struct file *file, struct poll_table_struct *wait)
1174 unsigned long req_events = poll_requested_events(wait);
1175 struct video_device *vdev = video_devdata(file);
1176 struct saa7134_dev *dev = video_drvdata(file);
1177 struct saa7134_fh *fh = file->private_data;
1178 struct videobuf_buffer *buf = NULL;
1179 unsigned int rc = 0;
1181 if (v4l2_event_pending(&fh->fh))
1182 rc = POLLPRI;
1183 else if (req_events & POLLPRI)
1184 poll_wait(file, &fh->fh.wait, wait);
1186 if (vdev->vfl_type == VFL_TYPE_VBI)
1187 return rc | videobuf_poll_stream(file, &dev->vbi, wait);
1189 if (res_check(fh, RESOURCE_VIDEO)) {
1190 mutex_lock(&dev->cap.vb_lock);
1191 if (!list_empty(&dev->cap.stream))
1192 buf = list_entry(dev->cap.stream.next, struct videobuf_buffer, stream);
1193 } else {
1194 mutex_lock(&dev->cap.vb_lock);
1195 if (UNSET == dev->cap.read_off) {
1196 /* need to capture a new frame */
1197 if (res_locked(dev, RESOURCE_VIDEO))
1198 goto err;
1199 if (0 != dev->cap.ops->buf_prepare(&dev->cap,
1200 dev->cap.read_buf, dev->cap.field))
1201 goto err;
1202 dev->cap.ops->buf_queue(&dev->cap, dev->cap.read_buf);
1203 dev->cap.read_off = 0;
1205 buf = dev->cap.read_buf;
1208 if (!buf)
1209 goto err;
1211 poll_wait(file, &buf->done, wait);
1212 if (buf->state == VIDEOBUF_DONE || buf->state == VIDEOBUF_ERROR)
1213 rc |= POLLIN | POLLRDNORM;
1214 mutex_unlock(&dev->cap.vb_lock);
1215 return rc;
1217 err:
1218 mutex_unlock(&dev->cap.vb_lock);
1219 return rc | POLLERR;
1222 static int video_release(struct file *file)
1224 struct video_device *vdev = video_devdata(file);
1225 struct saa7134_dev *dev = video_drvdata(file);
1226 struct saa7134_fh *fh = file->private_data;
1227 struct saa6588_command cmd;
1228 unsigned long flags;
1230 saa7134_tvaudio_close(dev);
1232 /* turn off overlay */
1233 if (res_check(fh, RESOURCE_OVERLAY)) {
1234 spin_lock_irqsave(&dev->slock,flags);
1235 stop_preview(dev);
1236 spin_unlock_irqrestore(&dev->slock,flags);
1237 res_free(dev, fh, RESOURCE_OVERLAY);
1240 /* stop video capture */
1241 if (res_check(fh, RESOURCE_VIDEO)) {
1242 pm_qos_remove_request(&dev->qos_request);
1243 videobuf_streamoff(&dev->cap);
1244 res_free(dev, fh, RESOURCE_VIDEO);
1245 videobuf_mmap_free(&dev->cap);
1247 if (dev->cap.read_buf) {
1248 buffer_release(&dev->cap, dev->cap.read_buf);
1249 kfree(dev->cap.read_buf);
1252 /* stop vbi capture */
1253 if (res_check(fh, RESOURCE_VBI)) {
1254 videobuf_stop(&dev->vbi);
1255 res_free(dev, fh, RESOURCE_VBI);
1256 videobuf_mmap_free(&dev->vbi);
1259 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1260 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1261 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1262 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1263 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1265 saa_call_all(dev, core, s_power, 0);
1266 if (vdev->vfl_type == VFL_TYPE_RADIO)
1267 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1269 v4l2_fh_del(&fh->fh);
1270 v4l2_fh_exit(&fh->fh);
1271 file->private_data = NULL;
1272 kfree(fh);
1273 return 0;
1276 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1278 return videobuf_mmap_mapper(saa7134_queue(file), vma);
1281 static ssize_t radio_read(struct file *file, char __user *data,
1282 size_t count, loff_t *ppos)
1284 struct saa7134_dev *dev = video_drvdata(file);
1285 struct saa6588_command cmd;
1287 cmd.block_count = count/3;
1288 cmd.nonblocking = file->f_flags & O_NONBLOCK;
1289 cmd.buffer = data;
1290 cmd.instance = file;
1291 cmd.result = -ENODEV;
1293 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1295 return cmd.result;
1298 static unsigned int radio_poll(struct file *file, poll_table *wait)
1300 struct saa7134_dev *dev = video_drvdata(file);
1301 struct saa6588_command cmd;
1302 unsigned int rc = v4l2_ctrl_poll(file, wait);
1304 cmd.instance = file;
1305 cmd.event_list = wait;
1306 cmd.result = 0;
1307 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1309 return rc | cmd.result;
1312 /* ------------------------------------------------------------------ */
1314 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1315 struct v4l2_format *f)
1317 struct saa7134_dev *dev = video_drvdata(file);
1318 struct saa7134_tvnorm *norm = dev->tvnorm;
1320 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1321 f->fmt.vbi.sampling_rate = 6750000 * 4;
1322 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1323 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1324 f->fmt.vbi.offset = 64 * 4;
1325 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1326 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1327 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1328 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1329 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1331 return 0;
1334 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1335 struct v4l2_format *f)
1337 struct saa7134_dev *dev = video_drvdata(file);
1339 f->fmt.pix.width = dev->width;
1340 f->fmt.pix.height = dev->height;
1341 f->fmt.pix.field = dev->cap.field;
1342 f->fmt.pix.pixelformat = dev->fmt->fourcc;
1343 f->fmt.pix.bytesperline =
1344 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1345 f->fmt.pix.sizeimage =
1346 f->fmt.pix.height * f->fmt.pix.bytesperline;
1347 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1348 f->fmt.pix.priv = 0;
1349 return 0;
1352 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1353 struct v4l2_format *f)
1355 struct saa7134_dev *dev = video_drvdata(file);
1356 struct v4l2_clip __user *clips = f->fmt.win.clips;
1357 u32 clipcount = f->fmt.win.clipcount;
1358 int err = 0;
1359 int i;
1361 if (saa7134_no_overlay > 0) {
1362 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1363 return -EINVAL;
1365 mutex_lock(&dev->lock);
1366 f->fmt.win = dev->win;
1367 f->fmt.win.clips = clips;
1368 if (clips == NULL)
1369 clipcount = 0;
1370 if (dev->nclips < clipcount)
1371 clipcount = dev->nclips;
1372 f->fmt.win.clipcount = clipcount;
1374 for (i = 0; !err && i < clipcount; i++) {
1375 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1376 sizeof(struct v4l2_rect)))
1377 err = -EFAULT;
1379 mutex_unlock(&dev->lock);
1381 return err;
1384 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1385 struct v4l2_format *f)
1387 struct saa7134_dev *dev = video_drvdata(file);
1388 struct saa7134_format *fmt;
1389 enum v4l2_field field;
1390 unsigned int maxw, maxh;
1392 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1393 if (NULL == fmt)
1394 return -EINVAL;
1396 field = f->fmt.pix.field;
1397 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1398 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1400 if (V4L2_FIELD_ANY == field) {
1401 field = (f->fmt.pix.height > maxh/2)
1402 ? V4L2_FIELD_INTERLACED
1403 : V4L2_FIELD_BOTTOM;
1405 switch (field) {
1406 case V4L2_FIELD_TOP:
1407 case V4L2_FIELD_BOTTOM:
1408 maxh = maxh / 2;
1409 break;
1410 default:
1411 field = V4L2_FIELD_INTERLACED;
1412 break;
1415 f->fmt.pix.field = field;
1416 if (f->fmt.pix.width < 48)
1417 f->fmt.pix.width = 48;
1418 if (f->fmt.pix.height < 32)
1419 f->fmt.pix.height = 32;
1420 if (f->fmt.pix.width > maxw)
1421 f->fmt.pix.width = maxw;
1422 if (f->fmt.pix.height > maxh)
1423 f->fmt.pix.height = maxh;
1424 f->fmt.pix.width &= ~0x03;
1425 f->fmt.pix.bytesperline =
1426 (f->fmt.pix.width * fmt->depth) >> 3;
1427 f->fmt.pix.sizeimage =
1428 f->fmt.pix.height * f->fmt.pix.bytesperline;
1429 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1430 f->fmt.pix.priv = 0;
1432 return 0;
1435 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1436 struct v4l2_format *f)
1438 struct saa7134_dev *dev = video_drvdata(file);
1440 if (saa7134_no_overlay > 0) {
1441 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1442 return -EINVAL;
1445 if (f->fmt.win.clips == NULL)
1446 f->fmt.win.clipcount = 0;
1447 return verify_preview(dev, &f->fmt.win, true);
1450 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1451 struct v4l2_format *f)
1453 struct saa7134_dev *dev = video_drvdata(file);
1454 int err;
1456 err = saa7134_try_fmt_vid_cap(file, priv, f);
1457 if (0 != err)
1458 return err;
1460 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1461 dev->width = f->fmt.pix.width;
1462 dev->height = f->fmt.pix.height;
1463 dev->cap.field = f->fmt.pix.field;
1464 return 0;
1467 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1468 struct v4l2_format *f)
1470 struct saa7134_dev *dev = video_drvdata(file);
1471 int err;
1472 unsigned long flags;
1474 if (saa7134_no_overlay > 0) {
1475 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1476 return -EINVAL;
1478 if (f->fmt.win.clips == NULL)
1479 f->fmt.win.clipcount = 0;
1480 err = verify_preview(dev, &f->fmt.win, true);
1481 if (0 != err)
1482 return err;
1484 mutex_lock(&dev->lock);
1486 dev->win = f->fmt.win;
1487 dev->nclips = f->fmt.win.clipcount;
1489 if (copy_from_user(dev->clips, f->fmt.win.clips,
1490 sizeof(struct v4l2_clip) * dev->nclips)) {
1491 mutex_unlock(&dev->lock);
1492 return -EFAULT;
1495 if (res_check(priv, RESOURCE_OVERLAY)) {
1496 spin_lock_irqsave(&dev->slock, flags);
1497 stop_preview(dev);
1498 start_preview(dev);
1499 spin_unlock_irqrestore(&dev->slock, flags);
1502 mutex_unlock(&dev->lock);
1503 return 0;
1506 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1508 struct saa7134_dev *dev = video_drvdata(file);
1509 unsigned int n;
1511 n = i->index;
1512 if (n >= SAA7134_INPUT_MAX)
1513 return -EINVAL;
1514 if (NULL == card_in(dev, i->index).name)
1515 return -EINVAL;
1516 i->index = n;
1517 i->type = V4L2_INPUT_TYPE_CAMERA;
1518 strcpy(i->name, card_in(dev, n).name);
1519 if (card_in(dev, n).tv)
1520 i->type = V4L2_INPUT_TYPE_TUNER;
1521 if (n == dev->ctl_input) {
1522 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1523 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1525 if (0 != (v1 & 0x40))
1526 i->status |= V4L2_IN_ST_NO_H_LOCK;
1527 if (0 != (v2 & 0x40))
1528 i->status |= V4L2_IN_ST_NO_SIGNAL;
1529 if (0 != (v2 & 0x0e))
1530 i->status |= V4L2_IN_ST_MACROVISION;
1532 i->std = SAA7134_NORMS;
1533 return 0;
1535 EXPORT_SYMBOL_GPL(saa7134_enum_input);
1537 int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1539 struct saa7134_dev *dev = video_drvdata(file);
1541 *i = dev->ctl_input;
1542 return 0;
1544 EXPORT_SYMBOL_GPL(saa7134_g_input);
1546 int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1548 struct saa7134_dev *dev = video_drvdata(file);
1550 if (i >= SAA7134_INPUT_MAX)
1551 return -EINVAL;
1552 if (NULL == card_in(dev, i).name)
1553 return -EINVAL;
1554 mutex_lock(&dev->lock);
1555 video_mux(dev, i);
1556 mutex_unlock(&dev->lock);
1557 return 0;
1559 EXPORT_SYMBOL_GPL(saa7134_s_input);
1561 int saa7134_querycap(struct file *file, void *priv,
1562 struct v4l2_capability *cap)
1564 struct saa7134_dev *dev = video_drvdata(file);
1565 struct video_device *vdev = video_devdata(file);
1566 struct saa7134_fh *fh = priv;
1567 u32 radio_caps, video_caps, vbi_caps;
1569 unsigned int tuner_type = dev->tuner_type;
1571 strcpy(cap->driver, "saa7134");
1572 strlcpy(cap->card, saa7134_boards[dev->board].name,
1573 sizeof(cap->card));
1574 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1576 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1577 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1578 cap->device_caps |= V4L2_CAP_TUNER;
1580 radio_caps = V4L2_CAP_RADIO;
1581 if (dev->has_rds)
1582 radio_caps |= V4L2_CAP_RDS_CAPTURE;
1584 video_caps = V4L2_CAP_VIDEO_CAPTURE;
1585 if (saa7134_no_overlay <= 0 && !fh->is_empress)
1586 video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1588 vbi_caps = V4L2_CAP_VBI_CAPTURE;
1590 switch (vdev->vfl_type) {
1591 case VFL_TYPE_RADIO:
1592 cap->device_caps |= radio_caps;
1593 break;
1594 case VFL_TYPE_GRABBER:
1595 cap->device_caps |= video_caps;
1596 break;
1597 case VFL_TYPE_VBI:
1598 cap->device_caps |= vbi_caps;
1599 break;
1601 cap->capabilities = radio_caps | video_caps | vbi_caps |
1602 cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1603 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1604 cap->device_caps &= ~V4L2_CAP_STREAMING;
1605 if (!dev->has_rds)
1606 cap->device_caps &= ~V4L2_CAP_READWRITE;
1609 return 0;
1611 EXPORT_SYMBOL_GPL(saa7134_querycap);
1613 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1615 struct saa7134_dev *dev = video_drvdata(file);
1616 struct saa7134_fh *fh = priv;
1617 unsigned long flags;
1618 unsigned int i;
1619 v4l2_std_id fixup;
1621 if (fh->is_empress && res_locked(dev, RESOURCE_OVERLAY)) {
1622 /* Don't change the std from the mpeg device
1623 if overlay is active. */
1624 return -EBUSY;
1627 for (i = 0; i < TVNORMS; i++)
1628 if (id == tvnorms[i].id)
1629 break;
1631 if (i == TVNORMS)
1632 for (i = 0; i < TVNORMS; i++)
1633 if (id & tvnorms[i].id)
1634 break;
1635 if (i == TVNORMS)
1636 return -EINVAL;
1638 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1639 if (secam[0] == 'L' || secam[0] == 'l') {
1640 if (secam[1] == 'C' || secam[1] == 'c')
1641 fixup = V4L2_STD_SECAM_LC;
1642 else
1643 fixup = V4L2_STD_SECAM_L;
1644 } else {
1645 if (secam[0] == 'D' || secam[0] == 'd')
1646 fixup = V4L2_STD_SECAM_DK;
1647 else
1648 fixup = V4L2_STD_SECAM;
1650 for (i = 0; i < TVNORMS; i++) {
1651 if (fixup == tvnorms[i].id)
1652 break;
1654 if (i == TVNORMS)
1655 return -EINVAL;
1658 id = tvnorms[i].id;
1660 mutex_lock(&dev->lock);
1661 if (!fh->is_empress && res_check(fh, RESOURCE_OVERLAY)) {
1662 spin_lock_irqsave(&dev->slock, flags);
1663 stop_preview(dev);
1664 spin_unlock_irqrestore(&dev->slock, flags);
1666 set_tvnorm(dev, &tvnorms[i]);
1668 spin_lock_irqsave(&dev->slock, flags);
1669 start_preview(dev);
1670 spin_unlock_irqrestore(&dev->slock, flags);
1671 } else
1672 set_tvnorm(dev, &tvnorms[i]);
1674 saa7134_tvaudio_do_scan(dev);
1675 mutex_unlock(&dev->lock);
1676 return 0;
1678 EXPORT_SYMBOL_GPL(saa7134_s_std);
1680 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1682 struct saa7134_dev *dev = video_drvdata(file);
1684 *id = dev->tvnorm->id;
1685 return 0;
1687 EXPORT_SYMBOL_GPL(saa7134_g_std);
1689 static int saa7134_cropcap(struct file *file, void *priv,
1690 struct v4l2_cropcap *cap)
1692 struct saa7134_dev *dev = video_drvdata(file);
1694 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1695 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1696 return -EINVAL;
1697 cap->bounds = dev->crop_bounds;
1698 cap->defrect = dev->crop_defrect;
1699 cap->pixelaspect.numerator = 1;
1700 cap->pixelaspect.denominator = 1;
1701 if (dev->tvnorm->id & V4L2_STD_525_60) {
1702 cap->pixelaspect.numerator = 11;
1703 cap->pixelaspect.denominator = 10;
1705 if (dev->tvnorm->id & V4L2_STD_625_50) {
1706 cap->pixelaspect.numerator = 54;
1707 cap->pixelaspect.denominator = 59;
1709 return 0;
1712 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1714 struct saa7134_dev *dev = video_drvdata(file);
1716 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1717 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1718 return -EINVAL;
1719 crop->c = dev->crop_current;
1720 return 0;
1723 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
1725 struct saa7134_dev *dev = video_drvdata(file);
1726 struct v4l2_rect *b = &dev->crop_bounds;
1727 struct v4l2_rect *c = &dev->crop_current;
1729 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1730 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1731 return -EINVAL;
1733 if (res_locked(dev, RESOURCE_OVERLAY))
1734 return -EBUSY;
1735 if (res_locked(dev, RESOURCE_VIDEO))
1736 return -EBUSY;
1738 *c = crop->c;
1739 if (c->top < b->top)
1740 c->top = b->top;
1741 if (c->top > b->top + b->height)
1742 c->top = b->top + b->height;
1743 if (c->height > b->top - c->top + b->height)
1744 c->height = b->top - c->top + b->height;
1746 if (c->left < b->left)
1747 c->left = b->left;
1748 if (c->left > b->left + b->width)
1749 c->left = b->left + b->width;
1750 if (c->width > b->left - c->left + b->width)
1751 c->width = b->left - c->left + b->width;
1752 return 0;
1755 int saa7134_g_tuner(struct file *file, void *priv,
1756 struct v4l2_tuner *t)
1758 struct saa7134_dev *dev = video_drvdata(file);
1759 int n;
1761 if (0 != t->index)
1762 return -EINVAL;
1763 memset(t, 0, sizeof(*t));
1764 for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1765 if (card_in(dev, n).tv)
1766 break;
1768 if (n == SAA7134_INPUT_MAX)
1769 return -EINVAL;
1770 if (NULL != card_in(dev, n).name) {
1771 strcpy(t->name, "Television");
1772 t->type = V4L2_TUNER_ANALOG_TV;
1773 saa_call_all(dev, tuner, g_tuner, t);
1774 t->capability = V4L2_TUNER_CAP_NORM |
1775 V4L2_TUNER_CAP_STEREO |
1776 V4L2_TUNER_CAP_LANG1 |
1777 V4L2_TUNER_CAP_LANG2;
1778 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1779 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1781 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1782 t->signal = 0xffff;
1783 return 0;
1785 EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1787 int saa7134_s_tuner(struct file *file, void *priv,
1788 const struct v4l2_tuner *t)
1790 struct saa7134_dev *dev = video_drvdata(file);
1791 int rx, mode;
1793 if (0 != t->index)
1794 return -EINVAL;
1796 mode = dev->thread.mode;
1797 if (UNSET == mode) {
1798 rx = saa7134_tvaudio_getstereo(dev);
1799 mode = saa7134_tvaudio_rx2mode(rx);
1801 if (mode != t->audmode)
1802 dev->thread.mode = t->audmode;
1804 return 0;
1806 EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1808 int saa7134_g_frequency(struct file *file, void *priv,
1809 struct v4l2_frequency *f)
1811 struct saa7134_dev *dev = video_drvdata(file);
1813 if (0 != f->tuner)
1814 return -EINVAL;
1816 saa_call_all(dev, tuner, g_frequency, f);
1818 return 0;
1820 EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1822 int saa7134_s_frequency(struct file *file, void *priv,
1823 const struct v4l2_frequency *f)
1825 struct saa7134_dev *dev = video_drvdata(file);
1827 if (0 != f->tuner)
1828 return -EINVAL;
1829 mutex_lock(&dev->lock);
1831 saa_call_all(dev, tuner, s_frequency, f);
1833 saa7134_tvaudio_do_scan(dev);
1834 mutex_unlock(&dev->lock);
1835 return 0;
1837 EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1839 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
1840 struct v4l2_fmtdesc *f)
1842 if (f->index >= FORMATS)
1843 return -EINVAL;
1845 strlcpy(f->description, formats[f->index].name,
1846 sizeof(f->description));
1848 f->pixelformat = formats[f->index].fourcc;
1850 return 0;
1853 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
1854 struct v4l2_fmtdesc *f)
1856 if (saa7134_no_overlay > 0) {
1857 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1858 return -EINVAL;
1861 if ((f->index >= FORMATS) || formats[f->index].planar)
1862 return -EINVAL;
1864 strlcpy(f->description, formats[f->index].name,
1865 sizeof(f->description));
1867 f->pixelformat = formats[f->index].fourcc;
1869 return 0;
1872 static int saa7134_g_fbuf(struct file *file, void *f,
1873 struct v4l2_framebuffer *fb)
1875 struct saa7134_dev *dev = video_drvdata(file);
1877 *fb = dev->ovbuf;
1878 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1880 return 0;
1883 static int saa7134_s_fbuf(struct file *file, void *f,
1884 const struct v4l2_framebuffer *fb)
1886 struct saa7134_dev *dev = video_drvdata(file);
1887 struct saa7134_format *fmt;
1889 if (!capable(CAP_SYS_ADMIN) &&
1890 !capable(CAP_SYS_RAWIO))
1891 return -EPERM;
1893 /* check args */
1894 fmt = format_by_fourcc(fb->fmt.pixelformat);
1895 if (NULL == fmt)
1896 return -EINVAL;
1898 /* ok, accept it */
1899 dev->ovbuf = *fb;
1900 dev->ovfmt = fmt;
1901 if (0 == dev->ovbuf.fmt.bytesperline)
1902 dev->ovbuf.fmt.bytesperline =
1903 dev->ovbuf.fmt.width*fmt->depth/8;
1904 return 0;
1907 static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
1909 struct saa7134_dev *dev = video_drvdata(file);
1910 unsigned long flags;
1912 if (on) {
1913 if (saa7134_no_overlay > 0) {
1914 dprintk("no_overlay\n");
1915 return -EINVAL;
1918 if (!res_get(dev, priv, RESOURCE_OVERLAY))
1919 return -EBUSY;
1920 spin_lock_irqsave(&dev->slock, flags);
1921 start_preview(dev);
1922 spin_unlock_irqrestore(&dev->slock, flags);
1924 if (!on) {
1925 if (!res_check(priv, RESOURCE_OVERLAY))
1926 return -EINVAL;
1927 spin_lock_irqsave(&dev->slock, flags);
1928 stop_preview(dev);
1929 spin_unlock_irqrestore(&dev->slock, flags);
1930 res_free(dev, priv, RESOURCE_OVERLAY);
1932 return 0;
1935 int saa7134_reqbufs(struct file *file, void *priv,
1936 struct v4l2_requestbuffers *p)
1938 return videobuf_reqbufs(saa7134_queue(file), p);
1940 EXPORT_SYMBOL_GPL(saa7134_reqbufs);
1942 int saa7134_querybuf(struct file *file, void *priv,
1943 struct v4l2_buffer *b)
1945 return videobuf_querybuf(saa7134_queue(file), b);
1947 EXPORT_SYMBOL_GPL(saa7134_querybuf);
1949 int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
1951 return videobuf_qbuf(saa7134_queue(file), b);
1953 EXPORT_SYMBOL_GPL(saa7134_qbuf);
1955 int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
1957 return videobuf_dqbuf(saa7134_queue(file), b,
1958 file->f_flags & O_NONBLOCK);
1960 EXPORT_SYMBOL_GPL(saa7134_dqbuf);
1962 int saa7134_streamon(struct file *file, void *priv,
1963 enum v4l2_buf_type type)
1965 struct saa7134_dev *dev = video_drvdata(file);
1966 int res = saa7134_resource(file);
1968 if (!res_get(dev, priv, res))
1969 return -EBUSY;
1971 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
1972 * configured conservatively, there's 22 usec of buffering for video.
1973 * We therefore request a DMA latency of 20 usec, giving us 2 usec of
1974 * margin in case the FIFO is configured differently to the datasheet.
1975 * Unfortunately, I lack register-level documentation to check the
1976 * Linux FIFO setup and confirm the perfect value.
1978 if (res != RESOURCE_EMPRESS)
1979 pm_qos_add_request(&dev->qos_request,
1980 PM_QOS_CPU_DMA_LATENCY, 20);
1982 return videobuf_streamon(saa7134_queue(file));
1984 EXPORT_SYMBOL_GPL(saa7134_streamon);
1986 int saa7134_streamoff(struct file *file, void *priv,
1987 enum v4l2_buf_type type)
1989 struct saa7134_dev *dev = video_drvdata(file);
1990 int err;
1991 int res = saa7134_resource(file);
1993 if (res != RESOURCE_EMPRESS)
1994 pm_qos_remove_request(&dev->qos_request);
1996 err = videobuf_streamoff(saa7134_queue(file));
1997 if (err < 0)
1998 return err;
1999 res_free(dev, priv, res);
2000 return 0;
2002 EXPORT_SYMBOL_GPL(saa7134_streamoff);
2004 #ifdef CONFIG_VIDEO_ADV_DEBUG
2005 static int vidioc_g_register (struct file *file, void *priv,
2006 struct v4l2_dbg_register *reg)
2008 struct saa7134_dev *dev = video_drvdata(file);
2010 reg->val = saa_readb(reg->reg & 0xffffff);
2011 reg->size = 1;
2012 return 0;
2015 static int vidioc_s_register (struct file *file, void *priv,
2016 const struct v4l2_dbg_register *reg)
2018 struct saa7134_dev *dev = video_drvdata(file);
2020 saa_writeb(reg->reg & 0xffffff, reg->val);
2021 return 0;
2023 #endif
2025 static int radio_g_tuner(struct file *file, void *priv,
2026 struct v4l2_tuner *t)
2028 struct saa7134_dev *dev = video_drvdata(file);
2030 if (0 != t->index)
2031 return -EINVAL;
2033 strcpy(t->name, "Radio");
2035 saa_call_all(dev, tuner, g_tuner, t);
2036 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
2037 if (dev->input->amux == TV) {
2038 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2039 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2040 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2042 return 0;
2044 static int radio_s_tuner(struct file *file, void *priv,
2045 const struct v4l2_tuner *t)
2047 struct saa7134_dev *dev = video_drvdata(file);
2049 if (0 != t->index)
2050 return -EINVAL;
2052 saa_call_all(dev, tuner, s_tuner, t);
2053 return 0;
2056 static const struct v4l2_file_operations video_fops =
2058 .owner = THIS_MODULE,
2059 .open = video_open,
2060 .release = video_release,
2061 .read = video_read,
2062 .poll = video_poll,
2063 .mmap = video_mmap,
2064 .ioctl = video_ioctl2,
2067 static const struct v4l2_ioctl_ops video_ioctl_ops = {
2068 .vidioc_querycap = saa7134_querycap,
2069 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap,
2070 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
2071 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
2072 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
2073 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay,
2074 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay,
2075 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay,
2076 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay,
2077 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2078 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2079 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
2080 .vidioc_cropcap = saa7134_cropcap,
2081 .vidioc_reqbufs = saa7134_reqbufs,
2082 .vidioc_querybuf = saa7134_querybuf,
2083 .vidioc_qbuf = saa7134_qbuf,
2084 .vidioc_dqbuf = saa7134_dqbuf,
2085 .vidioc_s_std = saa7134_s_std,
2086 .vidioc_g_std = saa7134_g_std,
2087 .vidioc_enum_input = saa7134_enum_input,
2088 .vidioc_g_input = saa7134_g_input,
2089 .vidioc_s_input = saa7134_s_input,
2090 .vidioc_streamon = saa7134_streamon,
2091 .vidioc_streamoff = saa7134_streamoff,
2092 .vidioc_g_tuner = saa7134_g_tuner,
2093 .vidioc_s_tuner = saa7134_s_tuner,
2094 .vidioc_g_crop = saa7134_g_crop,
2095 .vidioc_s_crop = saa7134_s_crop,
2096 .vidioc_g_fbuf = saa7134_g_fbuf,
2097 .vidioc_s_fbuf = saa7134_s_fbuf,
2098 .vidioc_overlay = saa7134_overlay,
2099 .vidioc_g_frequency = saa7134_g_frequency,
2100 .vidioc_s_frequency = saa7134_s_frequency,
2101 #ifdef CONFIG_VIDEO_ADV_DEBUG
2102 .vidioc_g_register = vidioc_g_register,
2103 .vidioc_s_register = vidioc_s_register,
2104 #endif
2105 .vidioc_log_status = v4l2_ctrl_log_status,
2106 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
2107 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
2110 static const struct v4l2_file_operations radio_fops = {
2111 .owner = THIS_MODULE,
2112 .open = video_open,
2113 .read = radio_read,
2114 .release = video_release,
2115 .ioctl = video_ioctl2,
2116 .poll = radio_poll,
2119 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
2120 .vidioc_querycap = saa7134_querycap,
2121 .vidioc_g_tuner = radio_g_tuner,
2122 .vidioc_s_tuner = radio_s_tuner,
2123 .vidioc_g_frequency = saa7134_g_frequency,
2124 .vidioc_s_frequency = saa7134_s_frequency,
2125 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
2126 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
2129 /* ----------------------------------------------------------- */
2130 /* exported stuff */
2132 struct video_device saa7134_video_template = {
2133 .name = "saa7134-video",
2134 .fops = &video_fops,
2135 .ioctl_ops = &video_ioctl_ops,
2136 .tvnorms = SAA7134_NORMS,
2139 struct video_device saa7134_radio_template = {
2140 .name = "saa7134-radio",
2141 .fops = &radio_fops,
2142 .ioctl_ops = &radio_ioctl_ops,
2145 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
2146 .s_ctrl = saa7134_s_ctrl,
2149 static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
2150 .ops = &saa7134_ctrl_ops,
2151 .id = V4L2_CID_PRIVATE_INVERT,
2152 .name = "Invert",
2153 .type = V4L2_CTRL_TYPE_BOOLEAN,
2154 .min = 0,
2155 .max = 1,
2156 .step = 1,
2159 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
2160 .ops = &saa7134_ctrl_ops,
2161 .id = V4L2_CID_PRIVATE_Y_ODD,
2162 .name = "Y Offset Odd Field",
2163 .type = V4L2_CTRL_TYPE_INTEGER,
2164 .min = 0,
2165 .max = 128,
2166 .step = 1,
2169 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
2170 .ops = &saa7134_ctrl_ops,
2171 .id = V4L2_CID_PRIVATE_Y_EVEN,
2172 .name = "Y Offset Even Field",
2173 .type = V4L2_CTRL_TYPE_INTEGER,
2174 .min = 0,
2175 .max = 128,
2176 .step = 1,
2179 static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
2180 .ops = &saa7134_ctrl_ops,
2181 .id = V4L2_CID_PRIVATE_AUTOMUTE,
2182 .name = "Automute",
2183 .type = V4L2_CTRL_TYPE_BOOLEAN,
2184 .min = 0,
2185 .max = 1,
2186 .step = 1,
2187 .def = 1,
2190 int saa7134_video_init1(struct saa7134_dev *dev)
2192 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
2194 /* sanitycheck insmod options */
2195 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2196 gbuffers = 2;
2197 if (gbufsize > gbufsize_max)
2198 gbufsize = gbufsize_max;
2199 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2201 v4l2_ctrl_handler_init(hdl, 11);
2202 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2203 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2204 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2205 V4L2_CID_CONTRAST, 0, 127, 1, 68);
2206 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2207 V4L2_CID_SATURATION, 0, 127, 1, 64);
2208 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2209 V4L2_CID_HUE, -128, 127, 1, 0);
2210 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2211 V4L2_CID_HFLIP, 0, 1, 1, 0);
2212 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2213 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
2214 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2215 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
2216 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
2217 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
2218 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
2219 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
2220 if (hdl->error)
2221 return hdl->error;
2222 if (card_has_radio(dev)) {
2223 hdl = &dev->radio_ctrl_handler;
2224 v4l2_ctrl_handler_init(hdl, 2);
2225 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2226 v4l2_ctrl_radio_filter);
2227 if (hdl->error)
2228 return hdl->error;
2230 dev->ctl_mute = 1;
2232 if (dev->tda9887_conf && saa7134_ctrl_automute.def)
2233 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2234 dev->automute = 0;
2236 INIT_LIST_HEAD(&dev->video_q.queue);
2237 init_timer(&dev->video_q.timeout);
2238 dev->video_q.timeout.function = saa7134_buffer_timeout;
2239 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2240 dev->video_q.dev = dev;
2241 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2242 dev->width = 720;
2243 dev->height = 576;
2244 dev->win.w.width = dev->width;
2245 dev->win.w.height = dev->height;
2246 dev->win.field = V4L2_FIELD_INTERLACED;
2247 dev->ovbuf.fmt.width = dev->width;
2248 dev->ovbuf.fmt.height = dev->height;
2249 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2250 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2252 if (saa7134_boards[dev->board].video_out)
2253 saa7134_videoport_init(dev);
2255 videobuf_queue_sg_init(&dev->cap, &video_qops,
2256 &dev->pci->dev, &dev->slock,
2257 V4L2_BUF_TYPE_VIDEO_CAPTURE,
2258 V4L2_FIELD_INTERLACED,
2259 sizeof(struct saa7134_buf),
2260 dev, NULL);
2261 videobuf_queue_sg_init(&dev->vbi, &saa7134_vbi_qops,
2262 &dev->pci->dev, &dev->slock,
2263 V4L2_BUF_TYPE_VBI_CAPTURE,
2264 V4L2_FIELD_SEQ_TB,
2265 sizeof(struct saa7134_buf),
2266 dev, NULL);
2267 saa7134_pgtable_alloc(dev->pci, &dev->pt_cap);
2268 saa7134_pgtable_alloc(dev->pci, &dev->pt_vbi);
2270 return 0;
2273 void saa7134_video_fini(struct saa7134_dev *dev)
2275 /* free stuff */
2276 saa7134_pgtable_free(dev->pci, &dev->pt_cap);
2277 saa7134_pgtable_free(dev->pci, &dev->pt_vbi);
2278 v4l2_ctrl_handler_free(&dev->ctrl_handler);
2279 if (card_has_radio(dev))
2280 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
2283 int saa7134_videoport_init(struct saa7134_dev *dev)
2285 /* enable video output */
2286 int vo = saa7134_boards[dev->board].video_out;
2287 int video_reg;
2288 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2290 /* Configure videoport */
2291 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2292 video_reg = video_out[vo][1];
2293 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2294 video_reg &= ~VP_T_CODE_P_INVERTED;
2295 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2296 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2297 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2298 video_reg = video_out[vo][5];
2299 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2300 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2301 if (vid_port_opts & SET_CLOCK_INVERTED)
2302 video_reg |= VP_CLK_CTRL1_INVERTED;
2303 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2304 video_reg = video_out[vo][6];
2305 if (vid_port_opts & SET_VSYNC_OFF) {
2306 video_reg &= ~VP_VS_TYPE_MASK;
2307 video_reg |= VP_VS_TYPE_OFF;
2309 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2310 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2311 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2313 /* Start videoport */
2314 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2316 return 0;
2319 int saa7134_video_init2(struct saa7134_dev *dev)
2321 /* init video hw */
2322 set_tvnorm(dev,&tvnorms[0]);
2323 video_mux(dev,0);
2324 v4l2_ctrl_handler_setup(&dev->ctrl_handler);
2325 saa7134_tvaudio_setmute(dev);
2326 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2327 return 0;
2330 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2332 static const char *st[] = {
2333 "(no signal)", "NTSC", "PAL", "SECAM" };
2334 u32 st1,st2;
2336 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2337 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2338 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2339 (st1 & 0x40) ? "not locked" : "locked",
2340 (st2 & 0x40) ? "no" : "yes",
2341 st[st1 & 0x03]);
2342 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2344 if (dev->nosignal) {
2345 /* no video signal -> mute audio */
2346 if (dev->ctl_automute)
2347 dev->automute = 1;
2348 saa7134_tvaudio_setmute(dev);
2349 } else {
2350 /* wake up tvaudio audio carrier scan thread */
2351 saa7134_tvaudio_do_scan(dev);
2354 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2355 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2356 else
2357 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2359 if (dev->mops && dev->mops->signal_change)
2360 dev->mops->signal_change(dev);
2364 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2366 enum v4l2_field field;
2368 spin_lock(&dev->slock);
2369 if (dev->video_q.curr) {
2370 dev->video_fieldcount++;
2371 field = dev->video_q.curr->vb.field;
2372 if (V4L2_FIELD_HAS_BOTH(field)) {
2373 /* make sure we have seen both fields */
2374 if ((status & 0x10) == 0x00) {
2375 dev->video_q.curr->top_seen = 1;
2376 goto done;
2378 if (!dev->video_q.curr->top_seen)
2379 goto done;
2380 } else if (field == V4L2_FIELD_TOP) {
2381 if ((status & 0x10) != 0x10)
2382 goto done;
2383 } else if (field == V4L2_FIELD_BOTTOM) {
2384 if ((status & 0x10) != 0x00)
2385 goto done;
2387 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2388 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2390 saa7134_buffer_next(dev,&dev->video_q);
2392 done:
2393 spin_unlock(&dev->slock);
2396 /* ----------------------------------------------------------- */
2398 * Local variables:
2399 * c-basic-offset: 8
2400 * End: