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/moduleparam.h>
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
30 #include "saa7134-reg.h"
32 #include <media/v4l2-common.h>
34 #ifdef CONFIG_VIDEO_V4L1_COMPAT
35 /* Include V4L1 specific functions. Should be removed soon */
36 #include <linux/videodev.h>
39 /* ------------------------------------------------------------------ */
41 static unsigned int video_debug = 0;
42 static unsigned int gbuffers = 8;
43 static unsigned int noninterlaced = 1;
44 static unsigned int gbufsize = 720*576*4;
45 static unsigned int gbufsize_max = 720*576*4;
46 static char secam[] = "--";
47 module_param(video_debug, int, 0644);
48 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
49 module_param(gbuffers, int, 0444);
50 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
51 module_param(noninterlaced, int, 0644);
52 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
53 module_param_string(secam, secam, sizeof(secam), 0644);
54 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
57 #define dprintk(fmt, arg...) if (video_debug) \
58 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
60 /* ------------------------------------------------------------------ */
61 /* Defines for Video Output Port Register at address 0x191 */
63 /* Bit 0: VIP code T bit polarity */
65 #define VP_T_CODE_P_NON_INVERTED 0x00
66 #define VP_T_CODE_P_INVERTED 0x01
68 /* ------------------------------------------------------------------ */
69 /* Defines for Video Output Port Register at address 0x195 */
71 /* Bit 2: Video output clock delay control */
73 #define VP_CLK_CTRL2_NOT_DELAYED 0x00
74 #define VP_CLK_CTRL2_DELAYED 0x04
76 /* Bit 1: Video output clock invert control */
78 #define VP_CLK_CTRL1_NON_INVERTED 0x00
79 #define VP_CLK_CTRL1_INVERTED 0x02
81 /* ------------------------------------------------------------------ */
82 /* Defines for Video Output Port Register at address 0x196 */
84 /* Bits 2 to 0: VSYNC pin video vertical sync type */
86 #define VP_VS_TYPE_MASK 0x07
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
97 /* ------------------------------------------------------------------ */
98 /* data structs for video */
100 static int video_out[][9] = {
101 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
104 static struct saa7134_format formats[] = {
106 .name = "8 bpp gray",
107 .fourcc = V4L2_PIX_FMT_GREY,
111 .name = "15 bpp RGB, le",
112 .fourcc = V4L2_PIX_FMT_RGB555,
116 .name = "15 bpp RGB, be",
117 .fourcc = V4L2_PIX_FMT_RGB555X,
122 .name = "16 bpp RGB, le",
123 .fourcc = V4L2_PIX_FMT_RGB565,
127 .name = "16 bpp RGB, be",
128 .fourcc = V4L2_PIX_FMT_RGB565X,
133 .name = "24 bpp RGB, le",
134 .fourcc = V4L2_PIX_FMT_BGR24,
138 .name = "24 bpp RGB, be",
139 .fourcc = V4L2_PIX_FMT_RGB24,
144 .name = "32 bpp RGB, le",
145 .fourcc = V4L2_PIX_FMT_BGR32,
149 .name = "32 bpp RGB, be",
150 .fourcc = V4L2_PIX_FMT_RGB32,
156 .name = "4:2:2 packed, YUYV",
157 .fourcc = V4L2_PIX_FMT_YUYV,
163 .name = "4:2:2 packed, UYVY",
164 .fourcc = V4L2_PIX_FMT_UYVY,
169 .name = "4:2:2 planar, Y-Cb-Cr",
170 .fourcc = V4L2_PIX_FMT_YUV422P,
178 .name = "4:2:0 planar, Y-Cb-Cr",
179 .fourcc = V4L2_PIX_FMT_YUV420,
187 .name = "4:2:0 planar, Y-Cb-Cr",
188 .fourcc = V4L2_PIX_FMT_YVU420,
198 #define FORMATS ARRAY_SIZE(formats)
200 #define NORM_625_50 \
203 .video_v_start = 24, \
204 .video_v_stop = 311, \
205 .vbi_v_start_0 = 7, \
206 .vbi_v_stop_0 = 22, \
207 .vbi_v_start_1 = 319, \
210 #define NORM_525_60 \
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, \
220 static struct saa7134_tvnorm tvnorms[] = {
222 .name = "PAL", /* autodetect */
226 .sync_control = 0x18,
227 .luma_control = 0x40,
228 .chroma_ctrl1 = 0x81,
230 .chroma_ctrl2 = 0x06,
235 .id = V4L2_STD_PAL_BG,
238 .sync_control = 0x18,
239 .luma_control = 0x40,
240 .chroma_ctrl1 = 0x81,
242 .chroma_ctrl2 = 0x06,
247 .id = V4L2_STD_PAL_I,
250 .sync_control = 0x18,
251 .luma_control = 0x40,
252 .chroma_ctrl1 = 0x81,
254 .chroma_ctrl2 = 0x06,
259 .id = V4L2_STD_PAL_DK,
262 .sync_control = 0x18,
263 .luma_control = 0x40,
264 .chroma_ctrl1 = 0x81,
266 .chroma_ctrl2 = 0x06,
274 .sync_control = 0x59,
275 .luma_control = 0x40,
276 .chroma_ctrl1 = 0x89,
278 .chroma_ctrl2 = 0x0e,
283 .id = V4L2_STD_SECAM,
286 .sync_control = 0x18,
287 .luma_control = 0x1b,
288 .chroma_ctrl1 = 0xd1,
290 .chroma_ctrl2 = 0x00,
295 .id = V4L2_STD_SECAM_DK,
298 .sync_control = 0x18,
299 .luma_control = 0x1b,
300 .chroma_ctrl1 = 0xd1,
302 .chroma_ctrl2 = 0x00,
307 .id = V4L2_STD_SECAM_L,
310 .sync_control = 0x18,
311 .luma_control = 0x1b,
312 .chroma_ctrl1 = 0xd1,
314 .chroma_ctrl2 = 0x00,
319 .id = V4L2_STD_SECAM_LC,
322 .sync_control = 0x18,
323 .luma_control = 0x1b,
324 .chroma_ctrl1 = 0xd1,
326 .chroma_ctrl2 = 0x00,
331 .id = V4L2_STD_PAL_M,
334 .sync_control = 0x59,
335 .luma_control = 0x40,
336 .chroma_ctrl1 = 0xb9,
338 .chroma_ctrl2 = 0x0e,
343 .id = V4L2_STD_PAL_Nc,
346 .sync_control = 0x18,
347 .luma_control = 0x40,
348 .chroma_ctrl1 = 0xa1,
350 .chroma_ctrl2 = 0x06,
355 .id = V4L2_STD_PAL_60,
363 .vbi_v_start_1 = 273,
366 .sync_control = 0x18,
367 .luma_control = 0x40,
368 .chroma_ctrl1 = 0x81,
370 .chroma_ctrl2 = 0x06,
374 #define TVNORMS ARRAY_SIZE(tvnorms)
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)
382 static const struct v4l2_queryctrl no_ctrl = {
384 .flags = V4L2_CTRL_FLAG_DISABLED,
386 static const struct v4l2_queryctrl video_ctrls[] = {
389 .id = V4L2_CID_BRIGHTNESS,
390 .name = "Brightness",
394 .default_value = 128,
395 .type = V4L2_CTRL_TYPE_INTEGER,
397 .id = V4L2_CID_CONTRAST,
403 .type = V4L2_CTRL_TYPE_INTEGER,
405 .id = V4L2_CID_SATURATION,
406 .name = "Saturation",
411 .type = V4L2_CTRL_TYPE_INTEGER,
419 .type = V4L2_CTRL_TYPE_INTEGER,
421 .id = V4L2_CID_HFLIP,
425 .type = V4L2_CTRL_TYPE_BOOLEAN,
429 .id = V4L2_CID_AUDIO_MUTE,
433 .type = V4L2_CTRL_TYPE_BOOLEAN,
435 .id = V4L2_CID_AUDIO_VOLUME,
441 .type = V4L2_CTRL_TYPE_INTEGER,
443 /* --- private --- */
445 .id = V4L2_CID_PRIVATE_INVERT,
449 .type = V4L2_CTRL_TYPE_BOOLEAN,
451 .id = V4L2_CID_PRIVATE_Y_ODD,
452 .name = "y offset odd field",
456 .type = V4L2_CTRL_TYPE_INTEGER,
458 .id = V4L2_CID_PRIVATE_Y_EVEN,
459 .name = "y offset even field",
463 .type = V4L2_CTRL_TYPE_INTEGER,
465 .id = V4L2_CID_PRIVATE_AUTOMUTE,
470 .type = V4L2_CTRL_TYPE_BOOLEAN,
473 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
475 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
479 for (i = 0; i < CTRLS; i++)
480 if (video_ctrls[i].id == id)
481 return video_ctrls+i;
485 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
489 for (i = 0; i < FORMATS; i++)
490 if (formats[i].fourcc == fourcc)
495 /* ----------------------------------------------------------------------- */
496 /* resource management */
498 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
500 if (fh->resources & bit)
501 /* have it already allocated */
505 mutex_lock(&dev->lock);
506 if (dev->resources & bit) {
507 /* no, someone else uses it */
508 mutex_unlock(&dev->lock);
511 /* it's free, grab it */
512 fh->resources |= bit;
513 dev->resources |= bit;
514 dprintk("res: get %d\n",bit);
515 mutex_unlock(&dev->lock);
520 int res_check(struct saa7134_fh *fh, unsigned int bit)
522 return (fh->resources & bit);
526 int res_locked(struct saa7134_dev *dev, unsigned int bit)
528 return (dev->resources & bit);
532 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
534 BUG_ON((fh->resources & bits) != bits);
536 mutex_lock(&dev->lock);
537 fh->resources &= ~bits;
538 dev->resources &= ~bits;
539 dprintk("res: put %d\n",bits);
540 mutex_unlock(&dev->lock);
543 /* ------------------------------------------------------------------ */
545 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
547 int luma_control,sync_control,mux;
549 dprintk("set tv norm = %s\n",norm->name);
552 mux = card_in(dev,dev->ctl_input).vmux;
553 luma_control = norm->luma_control;
554 sync_control = norm->sync_control;
557 luma_control |= 0x80; /* svideo */
558 if (noninterlaced || dev->nosignal)
559 sync_control |= 0x20;
562 dev->crop_bounds.left = norm->h_start;
563 dev->crop_defrect.left = norm->h_start;
564 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
565 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
567 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
568 dev->crop_defrect.top = norm->video_v_start*2;
569 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
570 - dev->crop_bounds.top;
571 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
573 dev->crop_current = dev->crop_defrect;
575 /* setup video decoder */
576 saa_writeb(SAA7134_INCR_DELAY, 0x08);
577 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
578 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
580 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
581 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
582 saa_writeb(SAA7134_HSYNC_START, 0xeb);
583 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
584 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
586 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
587 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
588 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
589 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, dev->ctl_contrast);
591 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
592 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
593 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
594 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
596 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
597 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
599 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
600 saa_writeb(SAA7134_VGATE_START, 0x11);
601 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
602 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
603 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
604 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
606 /* only tell the tuner if this is a tv input */
607 if (card_in(dev,dev->ctl_input).tv) {
608 if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
609 && ((card(dev).tuner_config == 1)
610 || (card(dev).tuner_config == 2)))
611 saa7134_set_gpio(dev, 22, 5);
612 saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
616 static void video_mux(struct saa7134_dev *dev, int input)
618 dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
619 dev->ctl_input = input;
620 set_tvnorm(dev,dev->tvnorm);
621 saa7134_tvaudio_setinput(dev,&card_in(dev,input));
624 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
626 static const struct {
633 /* XPSC XACL XC2_1 XDCG VPFY */
645 static const int count = ARRAY_SIZE(vals);
648 for (i = 0; i < count; i++)
649 if (vals[i].xpsc == prescale)
654 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
655 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
656 saa_writeb(SAA7134_LEVEL_CTRL(task),
657 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
658 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
659 (vals[i].vpfy << 2) | vals[i].vpfy);
662 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
666 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
667 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
669 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
672 dprintk("yscale LPI yscale=%d\n",yscale);
673 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
674 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
675 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
678 val = 0x40 * 1024 / yscale;
679 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
680 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
681 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
682 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
684 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
687 static void set_size(struct saa7134_dev *dev, int task,
688 int width, int height, int interlace)
690 int prescale,xscale,yscale,y_even,y_odd;
691 int h_start, h_stop, v_start, v_stop;
692 int div = interlace ? 2 : 1;
694 /* setup video scaler */
695 h_start = dev->crop_current.left;
696 v_start = dev->crop_current.top/2;
697 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
698 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
700 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
701 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
702 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
703 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
704 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
705 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
706 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
707 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
709 prescale = dev->crop_current.width / width;
712 xscale = 1024 * dev->crop_current.width / prescale / width;
713 yscale = 512 * div * dev->crop_current.height / height;
714 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
715 set_h_prescale(dev,task,prescale);
716 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
717 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
718 set_v_scale(dev,task,yscale);
720 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
721 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
722 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
723 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
725 /* deinterlace y offsets */
726 y_odd = dev->ctl_y_odd;
727 y_even = dev->ctl_y_even;
728 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
729 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
730 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
731 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
734 /* ------------------------------------------------------------------ */
742 static void sort_cliplist(struct cliplist *cl, int entries)
744 struct cliplist swap;
747 for (i = entries-2; i >= 0; i--) {
748 for (n = 0, j = 0; j <= i; j++) {
749 if (cl[j].position > cl[j+1].position) {
761 static void set_cliplist(struct saa7134_dev *dev, int reg,
762 struct cliplist *cl, int entries, char *name)
767 for (i = 0; i < entries; i++) {
768 winbits |= cl[i].enable;
769 winbits &= ~cl[i].disable;
770 if (i < 15 && cl[i].position == cl[i+1].position)
772 saa_writeb(reg + 0, winbits);
773 saa_writeb(reg + 2, cl[i].position & 0xff);
774 saa_writeb(reg + 3, cl[i].position >> 8);
775 dprintk("clip: %s winbits=%02x pos=%d\n",
776 name,winbits,cl[i].position);
779 for (; reg < 0x400; reg += 8) {
780 saa_writeb(reg+ 0, 0);
781 saa_writeb(reg + 1, 0);
782 saa_writeb(reg + 2, 0);
783 saa_writeb(reg + 3, 0);
787 static int clip_range(int val)
794 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
795 int nclips, int interlace)
797 struct cliplist col[16], row[16];
799 int div = interlace ? 2 : 1;
801 memset(col,0,sizeof(col)); cols = 0;
802 memset(row,0,sizeof(row)); rows = 0;
803 for (i = 0; i < nclips && i < 8; i++) {
804 col[cols].position = clip_range(clips[i].c.left);
805 col[cols].enable = (1 << i);
807 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
808 col[cols].disable = (1 << i);
810 row[rows].position = clip_range(clips[i].c.top / div);
811 row[rows].enable = (1 << i);
813 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
815 row[rows].disable = (1 << i);
818 sort_cliplist(col,cols);
819 sort_cliplist(row,rows);
820 set_cliplist(dev,0x380,col,cols,"cols");
821 set_cliplist(dev,0x384,row,rows,"rows");
825 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
827 enum v4l2_field field;
830 if (NULL == dev->ovbuf.base)
832 if (NULL == dev->ovfmt)
834 if (win->w.width < 48 || win->w.height < 32)
836 if (win->clipcount > 2048)
840 maxw = dev->crop_current.width;
841 maxh = dev->crop_current.height;
843 if (V4L2_FIELD_ANY == field) {
844 field = (win->w.height > maxh/2)
845 ? V4L2_FIELD_INTERLACED
850 case V4L2_FIELD_BOTTOM:
853 case V4L2_FIELD_INTERLACED:
860 if (win->w.width > maxw)
862 if (win->w.height > maxh)
863 win->w.height = maxh;
867 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
869 unsigned long base,control,bpl;
872 err = verify_preview(dev,&fh->win);
876 dev->ovfield = fh->win.field;
877 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
878 fh->win.w.width,fh->win.w.height,
879 fh->win.w.left,fh->win.w.top,
880 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
882 /* setup window + clipping */
883 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
884 V4L2_FIELD_HAS_BOTH(dev->ovfield));
885 setup_clipping(dev,fh->clips,fh->nclips,
886 V4L2_FIELD_HAS_BOTH(dev->ovfield));
888 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
890 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
891 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
893 /* dma: setup channel 1 (= Video Task B) */
894 base = (unsigned long)dev->ovbuf.base;
895 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
896 base += dev->ovfmt->depth/8 * fh->win.w.left;
897 bpl = dev->ovbuf.fmt.bytesperline;
898 control = SAA7134_RS_CONTROL_BURST_16;
899 if (dev->ovfmt->bswap)
900 control |= SAA7134_RS_CONTROL_BSWAP;
901 if (dev->ovfmt->wswap)
902 control |= SAA7134_RS_CONTROL_WSWAP;
903 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
904 saa_writel(SAA7134_RS_BA1(1),base);
905 saa_writel(SAA7134_RS_BA2(1),base+bpl);
906 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
907 saa_writel(SAA7134_RS_CONTROL(1),control);
909 saa_writel(SAA7134_RS_BA1(1),base);
910 saa_writel(SAA7134_RS_BA2(1),base);
911 saa_writel(SAA7134_RS_PITCH(1),bpl);
912 saa_writel(SAA7134_RS_CONTROL(1),control);
917 saa7134_set_dmabits(dev);
922 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
925 saa7134_set_dmabits(dev);
929 /* ------------------------------------------------------------------ */
931 static int buffer_activate(struct saa7134_dev *dev,
932 struct saa7134_buf *buf,
933 struct saa7134_buf *next)
935 unsigned long base,control,bpl;
936 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
938 dprintk("buffer_activate buf=%p\n",buf);
939 buf->vb.state = STATE_ACTIVE;
942 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
943 V4L2_FIELD_HAS_BOTH(buf->vb.field));
945 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
947 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
948 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
950 /* DMA: setup channel 0 (= Video Task A0) */
951 base = saa7134_buffer_base(buf);
952 if (buf->fmt->planar)
955 bpl = (buf->vb.width * buf->fmt->depth) / 8;
956 control = SAA7134_RS_CONTROL_BURST_16 |
957 SAA7134_RS_CONTROL_ME |
958 (buf->pt->dma >> 12);
960 control |= SAA7134_RS_CONTROL_BSWAP;
962 control |= SAA7134_RS_CONTROL_WSWAP;
963 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
965 saa_writel(SAA7134_RS_BA1(0),base);
966 saa_writel(SAA7134_RS_BA2(0),base+bpl);
967 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
970 saa_writel(SAA7134_RS_BA1(0),base);
971 saa_writel(SAA7134_RS_BA2(0),base);
972 saa_writel(SAA7134_RS_PITCH(0),bpl);
974 saa_writel(SAA7134_RS_CONTROL(0),control);
976 if (buf->fmt->planar) {
977 /* DMA: setup channel 4+5 (= planar task A) */
978 bpl_uv = bpl >> buf->fmt->hshift;
979 lines_uv = buf->vb.height >> buf->fmt->vshift;
980 base2 = base + bpl * buf->vb.height;
981 base3 = base2 + bpl_uv * lines_uv;
982 if (buf->fmt->uvswap)
983 tmp = base2, base2 = base3, base3 = tmp;
984 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
985 bpl_uv,lines_uv,base2,base3);
986 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
988 saa_writel(SAA7134_RS_BA1(4),base2);
989 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
990 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
991 saa_writel(SAA7134_RS_BA1(5),base3);
992 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
993 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
996 saa_writel(SAA7134_RS_BA1(4),base2);
997 saa_writel(SAA7134_RS_BA2(4),base2);
998 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
999 saa_writel(SAA7134_RS_BA1(5),base3);
1000 saa_writel(SAA7134_RS_BA2(5),base3);
1001 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1003 saa_writel(SAA7134_RS_CONTROL(4),control);
1004 saa_writel(SAA7134_RS_CONTROL(5),control);
1008 saa7134_set_dmabits(dev);
1009 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1013 static int buffer_prepare(struct videobuf_queue *q,
1014 struct videobuf_buffer *vb,
1015 enum v4l2_field field)
1017 struct saa7134_fh *fh = q->priv_data;
1018 struct saa7134_dev *dev = fh->dev;
1019 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1024 if (NULL == fh->fmt)
1026 if (fh->width < 48 ||
1028 fh->width/4 > dev->crop_current.width ||
1029 fh->height/4 > dev->crop_current.height ||
1030 fh->width > dev->crop_bounds.width ||
1031 fh->height > dev->crop_bounds.height)
1033 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1034 if (0 != buf->vb.baddr && buf->vb.bsize < size)
1037 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1038 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1040 if (buf->vb.width != fh->width ||
1041 buf->vb.height != fh->height ||
1042 buf->vb.size != size ||
1043 buf->vb.field != field ||
1044 buf->fmt != fh->fmt) {
1045 saa7134_dma_free(q,buf);
1048 if (STATE_NEEDS_INIT == buf->vb.state) {
1049 buf->vb.width = fh->width;
1050 buf->vb.height = fh->height;
1051 buf->vb.size = size;
1052 buf->vb.field = field;
1054 buf->pt = &fh->pt_cap;
1056 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1059 err = saa7134_pgtable_build(dev->pci,buf->pt,
1062 saa7134_buffer_startpage(buf));
1066 buf->vb.state = STATE_PREPARED;
1067 buf->activate = buffer_activate;
1071 saa7134_dma_free(q,buf);
1076 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1078 struct saa7134_fh *fh = q->priv_data;
1080 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1083 *count = saa7134_buffer_count(*size,*count);
1087 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1089 struct saa7134_fh *fh = q->priv_data;
1090 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1092 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1095 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1097 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1099 saa7134_dma_free(q,buf);
1102 static struct videobuf_queue_ops video_qops = {
1103 .buf_setup = buffer_setup,
1104 .buf_prepare = buffer_prepare,
1105 .buf_queue = buffer_queue,
1106 .buf_release = buffer_release,
1109 /* ------------------------------------------------------------------ */
1111 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1113 const struct v4l2_queryctrl* ctrl;
1115 ctrl = ctrl_by_id(c->id);
1119 case V4L2_CID_BRIGHTNESS:
1120 c->value = dev->ctl_bright;
1123 c->value = dev->ctl_hue;
1125 case V4L2_CID_CONTRAST:
1126 c->value = dev->ctl_contrast;
1128 case V4L2_CID_SATURATION:
1129 c->value = dev->ctl_saturation;
1131 case V4L2_CID_AUDIO_MUTE:
1132 c->value = dev->ctl_mute;
1134 case V4L2_CID_AUDIO_VOLUME:
1135 c->value = dev->ctl_volume;
1137 case V4L2_CID_PRIVATE_INVERT:
1138 c->value = dev->ctl_invert;
1140 case V4L2_CID_HFLIP:
1141 c->value = dev->ctl_mirror;
1143 case V4L2_CID_PRIVATE_Y_EVEN:
1144 c->value = dev->ctl_y_even;
1146 case V4L2_CID_PRIVATE_Y_ODD:
1147 c->value = dev->ctl_y_odd;
1149 case V4L2_CID_PRIVATE_AUTOMUTE:
1150 c->value = dev->ctl_automute;
1158 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1159 struct v4l2_control *c)
1161 const struct v4l2_queryctrl* ctrl;
1162 unsigned long flags;
1163 int restart_overlay = 0;
1165 ctrl = ctrl_by_id(c->id);
1168 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1169 switch (ctrl->type) {
1170 case V4L2_CTRL_TYPE_BOOLEAN:
1171 case V4L2_CTRL_TYPE_MENU:
1172 case V4L2_CTRL_TYPE_INTEGER:
1173 if (c->value < ctrl->minimum)
1174 c->value = ctrl->minimum;
1175 if (c->value > ctrl->maximum)
1176 c->value = ctrl->maximum;
1182 case V4L2_CID_BRIGHTNESS:
1183 dev->ctl_bright = c->value;
1184 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1187 dev->ctl_hue = c->value;
1188 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1190 case V4L2_CID_CONTRAST:
1191 dev->ctl_contrast = c->value;
1192 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1193 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1195 case V4L2_CID_SATURATION:
1196 dev->ctl_saturation = c->value;
1197 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1198 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1200 case V4L2_CID_AUDIO_MUTE:
1201 dev->ctl_mute = c->value;
1202 saa7134_tvaudio_setmute(dev);
1204 case V4L2_CID_AUDIO_VOLUME:
1205 dev->ctl_volume = c->value;
1206 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1208 case V4L2_CID_PRIVATE_INVERT:
1209 dev->ctl_invert = c->value;
1210 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1211 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1212 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1213 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1215 case V4L2_CID_HFLIP:
1216 dev->ctl_mirror = c->value;
1217 restart_overlay = 1;
1219 case V4L2_CID_PRIVATE_Y_EVEN:
1220 dev->ctl_y_even = c->value;
1221 restart_overlay = 1;
1223 case V4L2_CID_PRIVATE_Y_ODD:
1224 dev->ctl_y_odd = c->value;
1225 restart_overlay = 1;
1227 case V4L2_CID_PRIVATE_AUTOMUTE:
1228 dev->ctl_automute = c->value;
1229 if (dev->tda9887_conf) {
1230 if (dev->ctl_automute)
1231 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1233 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1234 saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1235 &dev->tda9887_conf);
1241 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1242 spin_lock_irqsave(&dev->slock,flags);
1243 stop_preview(dev,fh);
1244 start_preview(dev,fh);
1245 spin_unlock_irqrestore(&dev->slock,flags);
1250 /* ------------------------------------------------------------------ */
1252 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1254 struct videobuf_queue* q = NULL;
1257 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1260 case V4L2_BUF_TYPE_VBI_CAPTURE:
1269 static int saa7134_resource(struct saa7134_fh *fh)
1274 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1275 res = RESOURCE_VIDEO;
1277 case V4L2_BUF_TYPE_VBI_CAPTURE:
1286 static int video_open(struct inode *inode, struct file *file)
1288 int minor = iminor(inode);
1289 struct saa7134_dev *h,*dev = NULL;
1290 struct saa7134_fh *fh;
1291 struct list_head *list;
1292 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1294 list_for_each(list,&saa7134_devlist) {
1295 h = list_entry(list, struct saa7134_dev, devlist);
1296 if (h->video_dev && (h->video_dev->minor == minor))
1298 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1302 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1303 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1310 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1311 v4l2_type_names[type]);
1313 /* allocate + initialize per filehandle data */
1314 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1317 file->private_data = fh;
1321 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1324 v4l2_prio_open(&dev->prio,&fh->prio);
1326 videobuf_queue_init(&fh->cap, &video_qops,
1327 dev->pci, &dev->slock,
1328 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1329 V4L2_FIELD_INTERLACED,
1330 sizeof(struct saa7134_buf),
1332 videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1333 dev->pci, &dev->slock,
1334 V4L2_BUF_TYPE_VBI_CAPTURE,
1336 sizeof(struct saa7134_buf),
1338 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1339 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1342 /* switch to radio mode */
1343 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1344 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1346 /* switch to video/vbi mode */
1347 video_mux(dev,dev->ctl_input);
1353 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1355 struct saa7134_fh *fh = file->private_data;
1358 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1359 if (res_locked(fh->dev,RESOURCE_VIDEO))
1361 return videobuf_read_one(saa7134_queue(fh),
1363 file->f_flags & O_NONBLOCK);
1364 case V4L2_BUF_TYPE_VBI_CAPTURE:
1365 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1367 return videobuf_read_stream(saa7134_queue(fh),
1368 data, count, ppos, 1,
1369 file->f_flags & O_NONBLOCK);
1378 video_poll(struct file *file, struct poll_table_struct *wait)
1380 struct saa7134_fh *fh = file->private_data;
1381 struct videobuf_buffer *buf = NULL;
1383 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1384 return videobuf_poll_stream(file, &fh->vbi, wait);
1386 if (res_check(fh,RESOURCE_VIDEO)) {
1387 if (!list_empty(&fh->cap.stream))
1388 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1390 mutex_lock(&fh->cap.lock);
1391 if (UNSET == fh->cap.read_off) {
1392 /* need to capture a new frame */
1393 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1394 mutex_unlock(&fh->cap.lock);
1397 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1398 mutex_unlock(&fh->cap.lock);
1401 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1402 fh->cap.read_off = 0;
1404 mutex_unlock(&fh->cap.lock);
1405 buf = fh->cap.read_buf;
1411 poll_wait(file, &buf->done, wait);
1412 if (buf->state == STATE_DONE ||
1413 buf->state == STATE_ERROR)
1414 return POLLIN|POLLRDNORM;
1418 static int video_release(struct inode *inode, struct file *file)
1420 struct saa7134_fh *fh = file->private_data;
1421 struct saa7134_dev *dev = fh->dev;
1422 unsigned long flags;
1424 /* turn off overlay */
1425 if (res_check(fh, RESOURCE_OVERLAY)) {
1426 spin_lock_irqsave(&dev->slock,flags);
1427 stop_preview(dev,fh);
1428 spin_unlock_irqrestore(&dev->slock,flags);
1429 res_free(dev,fh,RESOURCE_OVERLAY);
1432 /* stop video capture */
1433 if (res_check(fh, RESOURCE_VIDEO)) {
1434 videobuf_streamoff(&fh->cap);
1435 res_free(dev,fh,RESOURCE_VIDEO);
1437 if (fh->cap.read_buf) {
1438 buffer_release(&fh->cap,fh->cap.read_buf);
1439 kfree(fh->cap.read_buf);
1442 /* stop vbi capture */
1443 if (res_check(fh, RESOURCE_VBI)) {
1444 if (fh->vbi.streaming)
1445 videobuf_streamoff(&fh->vbi);
1446 if (fh->vbi.reading)
1447 videobuf_read_stop(&fh->vbi);
1448 res_free(dev,fh,RESOURCE_VBI);
1451 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1452 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1453 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1454 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1455 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1457 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1460 videobuf_mmap_free(&fh->cap);
1461 videobuf_mmap_free(&fh->vbi);
1462 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1463 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1465 v4l2_prio_close(&dev->prio,&fh->prio);
1466 file->private_data = NULL;
1472 video_mmap(struct file *file, struct vm_area_struct * vma)
1474 struct saa7134_fh *fh = file->private_data;
1476 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1479 /* ------------------------------------------------------------------ */
1481 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1483 struct saa7134_tvnorm *norm = dev->tvnorm;
1485 f->fmt.vbi.sampling_rate = 6750000 * 4;
1486 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1487 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1488 f->fmt.vbi.offset = 64 * 4;
1489 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1490 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1491 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1492 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1493 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1497 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1498 struct v4l2_format *f)
1501 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1502 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1503 f->fmt.pix.width = fh->width;
1504 f->fmt.pix.height = fh->height;
1505 f->fmt.pix.field = fh->cap.field;
1506 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1507 f->fmt.pix.bytesperline =
1508 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1509 f->fmt.pix.sizeimage =
1510 f->fmt.pix.height * f->fmt.pix.bytesperline;
1512 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1513 if (saa7134_no_overlay > 0) {
1514 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1517 f->fmt.win = fh->win;
1519 case V4L2_BUF_TYPE_VBI_CAPTURE:
1520 saa7134_vbi_fmt(dev,f);
1527 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1528 struct v4l2_format *f)
1533 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1535 struct saa7134_format *fmt;
1536 enum v4l2_field field;
1537 unsigned int maxw, maxh;
1539 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1543 field = f->fmt.pix.field;
1544 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1545 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1547 if (V4L2_FIELD_ANY == field) {
1548 field = (f->fmt.pix.height > maxh/2)
1549 ? V4L2_FIELD_INTERLACED
1550 : V4L2_FIELD_BOTTOM;
1553 case V4L2_FIELD_TOP:
1554 case V4L2_FIELD_BOTTOM:
1557 case V4L2_FIELD_INTERLACED:
1563 f->fmt.pix.field = field;
1564 if (f->fmt.pix.width < 48)
1565 f->fmt.pix.width = 48;
1566 if (f->fmt.pix.height < 32)
1567 f->fmt.pix.height = 32;
1568 if (f->fmt.pix.width > maxw)
1569 f->fmt.pix.width = maxw;
1570 if (f->fmt.pix.height > maxh)
1571 f->fmt.pix.height = maxh;
1572 f->fmt.pix.width &= ~0x03;
1573 f->fmt.pix.bytesperline =
1574 (f->fmt.pix.width * fmt->depth) >> 3;
1575 f->fmt.pix.sizeimage =
1576 f->fmt.pix.height * f->fmt.pix.bytesperline;
1580 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1581 if (saa7134_no_overlay > 0) {
1582 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1585 err = verify_preview(dev,&f->fmt.win);
1589 case V4L2_BUF_TYPE_VBI_CAPTURE:
1590 saa7134_vbi_fmt(dev,f);
1597 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1598 struct v4l2_format *f)
1600 unsigned long flags;
1604 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1605 err = saa7134_try_fmt(dev,fh,f);
1609 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1610 fh->width = f->fmt.pix.width;
1611 fh->height = f->fmt.pix.height;
1612 fh->cap.field = f->fmt.pix.field;
1614 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1615 if (saa7134_no_overlay > 0) {
1616 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1619 err = verify_preview(dev,&f->fmt.win);
1623 mutex_lock(&dev->lock);
1624 fh->win = f->fmt.win;
1625 fh->nclips = f->fmt.win.clipcount;
1628 if (copy_from_user(fh->clips,f->fmt.win.clips,
1629 sizeof(struct v4l2_clip)*fh->nclips)) {
1630 mutex_unlock(&dev->lock);
1634 if (res_check(fh, RESOURCE_OVERLAY)) {
1635 spin_lock_irqsave(&dev->slock,flags);
1636 stop_preview(dev,fh);
1637 start_preview(dev,fh);
1638 spin_unlock_irqrestore(&dev->slock,flags);
1640 mutex_unlock(&dev->lock);
1642 case V4L2_BUF_TYPE_VBI_CAPTURE:
1643 saa7134_vbi_fmt(dev,f);
1650 int saa7134_common_ioctl(struct saa7134_dev *dev,
1651 unsigned int cmd, void *arg)
1656 case VIDIOC_QUERYCTRL:
1658 const struct v4l2_queryctrl *ctrl;
1659 struct v4l2_queryctrl *c = arg;
1661 if ((c->id < V4L2_CID_BASE ||
1662 c->id >= V4L2_CID_LASTP1) &&
1663 (c->id < V4L2_CID_PRIVATE_BASE ||
1664 c->id >= V4L2_CID_PRIVATE_LASTP1))
1666 ctrl = ctrl_by_id(c->id);
1667 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1671 return get_control(dev,arg);
1674 mutex_lock(&dev->lock);
1675 err = set_control(dev,NULL,arg);
1676 mutex_unlock(&dev->lock);
1679 /* --- input switching --------------------------------------- */
1680 case VIDIOC_ENUMINPUT:
1682 struct v4l2_input *i = arg;
1686 if (n >= SAA7134_INPUT_MAX)
1688 if (NULL == card_in(dev,i->index).name)
1690 memset(i,0,sizeof(*i));
1692 i->type = V4L2_INPUT_TYPE_CAMERA;
1693 strcpy(i->name,card_in(dev,n).name);
1694 if (card_in(dev,n).tv)
1695 i->type = V4L2_INPUT_TYPE_TUNER;
1697 if (n == dev->ctl_input) {
1698 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1699 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1701 if (0 != (v1 & 0x40))
1702 i->status |= V4L2_IN_ST_NO_H_LOCK;
1703 if (0 != (v2 & 0x40))
1704 i->status |= V4L2_IN_ST_NO_SYNC;
1705 if (0 != (v2 & 0x0e))
1706 i->status |= V4L2_IN_ST_MACROVISION;
1708 for (n = 0; n < TVNORMS; n++)
1709 i->std |= tvnorms[n].id;
1712 case VIDIOC_G_INPUT:
1715 *i = dev->ctl_input;
1718 case VIDIOC_S_INPUT:
1722 if (*i < 0 || *i >= SAA7134_INPUT_MAX)
1724 if (NULL == card_in(dev,*i).name)
1726 mutex_lock(&dev->lock);
1728 mutex_unlock(&dev->lock);
1735 EXPORT_SYMBOL(saa7134_common_ioctl);
1738 * This function is _not_ called directly, but from
1739 * video_generic_ioctl (and maybe others). userspace
1740 * copying is done already, arg is a kernel pointer.
1742 static int video_do_ioctl(struct inode *inode, struct file *file,
1743 unsigned int cmd, void *arg)
1745 struct saa7134_fh *fh = file->private_data;
1746 struct saa7134_dev *dev = fh->dev;
1747 unsigned long flags;
1750 if (video_debug > 1)
1751 v4l_print_ioctl(dev->name,cmd);
1756 case VIDIOC_S_INPUT:
1757 case VIDIOC_S_TUNER:
1758 case VIDIOC_S_FREQUENCY:
1759 err = v4l2_prio_check(&dev->prio,&fh->prio);
1765 case VIDIOC_QUERYCAP:
1767 struct v4l2_capability *cap = arg;
1768 unsigned int tuner_type = dev->tuner_type;
1770 memset(cap,0,sizeof(*cap));
1771 strcpy(cap->driver, "saa7134");
1772 strlcpy(cap->card, saa7134_boards[dev->board].name,
1774 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1775 cap->version = SAA7134_VERSION_CODE;
1777 V4L2_CAP_VIDEO_CAPTURE |
1778 V4L2_CAP_VBI_CAPTURE |
1779 V4L2_CAP_READWRITE |
1780 V4L2_CAP_STREAMING |
1782 if (saa7134_no_overlay <= 0) {
1783 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1786 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1787 cap->capabilities &= ~V4L2_CAP_TUNER;
1792 /* --- tv standards ------------------------------------------ */
1793 case VIDIOC_ENUMSTD:
1795 struct v4l2_standard *e = arg;
1801 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1802 tvnorms[e->index].name);
1810 v4l2_std_id *id = arg;
1812 *id = dev->tvnorm->id;
1817 v4l2_std_id *id = arg;
1821 for (i = 0; i < TVNORMS; i++)
1822 if (*id == tvnorms[i].id)
1825 for (i = 0; i < TVNORMS; i++)
1826 if (*id & tvnorms[i].id)
1830 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1831 if (secam[0] == 'L' || secam[0] == 'l') {
1832 if (secam[1] == 'C' || secam[1] == 'c')
1833 fixup = V4L2_STD_SECAM_LC;
1835 fixup = V4L2_STD_SECAM_L;
1837 if (secam[0] == 'D' || secam[0] == 'd')
1838 fixup = V4L2_STD_SECAM_DK;
1840 fixup = V4L2_STD_SECAM;
1842 for (i = 0; i < TVNORMS; i++)
1843 if (fixup == tvnorms[i].id)
1846 mutex_lock(&dev->lock);
1847 if (res_check(fh, RESOURCE_OVERLAY)) {
1848 spin_lock_irqsave(&dev->slock,flags);
1849 stop_preview(dev,fh);
1850 set_tvnorm(dev,&tvnorms[i]);
1851 start_preview(dev,fh);
1852 spin_unlock_irqrestore(&dev->slock,flags);
1854 set_tvnorm(dev,&tvnorms[i]);
1855 saa7134_tvaudio_do_scan(dev);
1856 mutex_unlock(&dev->lock);
1860 case VIDIOC_CROPCAP:
1862 struct v4l2_cropcap *cap = arg;
1864 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1865 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1867 cap->bounds = dev->crop_bounds;
1868 cap->defrect = dev->crop_defrect;
1869 cap->pixelaspect.numerator = 1;
1870 cap->pixelaspect.denominator = 1;
1871 if (dev->tvnorm->id & V4L2_STD_525_60) {
1872 cap->pixelaspect.numerator = 11;
1873 cap->pixelaspect.denominator = 10;
1875 if (dev->tvnorm->id & V4L2_STD_625_50) {
1876 cap->pixelaspect.numerator = 54;
1877 cap->pixelaspect.denominator = 59;
1884 struct v4l2_crop * crop = arg;
1886 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1887 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1889 crop->c = dev->crop_current;
1894 struct v4l2_crop *crop = arg;
1895 struct v4l2_rect *b = &dev->crop_bounds;
1897 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1898 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1900 if (crop->c.height < 0)
1902 if (crop->c.width < 0)
1905 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1907 if (res_locked(fh->dev,RESOURCE_VIDEO))
1910 if (crop->c.top < b->top)
1911 crop->c.top = b->top;
1912 if (crop->c.top > b->top + b->height)
1913 crop->c.top = b->top + b->height;
1914 if (crop->c.height > b->top - crop->c.top + b->height)
1915 crop->c.height = b->top - crop->c.top + b->height;
1917 if (crop->c.left < b->left)
1918 crop->c.left = b->left;
1919 if (crop->c.left > b->left + b->width)
1920 crop->c.left = b->left + b->width;
1921 if (crop->c.width > b->left - crop->c.left + b->width)
1922 crop->c.width = b->left - crop->c.left + b->width;
1924 dev->crop_current = crop->c;
1928 /* --- tuner ioctls ------------------------------------------ */
1929 case VIDIOC_G_TUNER:
1931 struct v4l2_tuner *t = arg;
1936 memset(t,0,sizeof(*t));
1937 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1938 if (card_in(dev,n).tv)
1940 if (NULL != card_in(dev,n).name) {
1941 strcpy(t->name, "Television");
1942 t->type = V4L2_TUNER_ANALOG_TV;
1943 t->capability = V4L2_TUNER_CAP_NORM |
1944 V4L2_TUNER_CAP_STEREO |
1945 V4L2_TUNER_CAP_LANG1 |
1946 V4L2_TUNER_CAP_LANG2;
1947 t->rangehigh = 0xffffffffUL;
1948 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1949 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1951 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1955 case VIDIOC_S_TUNER:
1957 struct v4l2_tuner *t = arg;
1960 mode = dev->thread.mode;
1961 if (UNSET == mode) {
1962 rx = saa7134_tvaudio_getstereo(dev);
1963 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1965 if (mode != t->audmode) {
1966 dev->thread.mode = t->audmode;
1970 case VIDIOC_G_FREQUENCY:
1972 struct v4l2_frequency *f = arg;
1974 memset(f,0,sizeof(*f));
1975 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1976 f->frequency = dev->ctl_freq;
1979 case VIDIOC_S_FREQUENCY:
1981 struct v4l2_frequency *f = arg;
1985 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1987 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1989 mutex_lock(&dev->lock);
1990 dev->ctl_freq = f->frequency;
1992 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1994 saa7134_tvaudio_do_scan(dev);
1995 mutex_unlock(&dev->lock);
1999 /* --- control ioctls ---------------------------------------- */
2000 case VIDIOC_ENUMINPUT:
2001 case VIDIOC_G_INPUT:
2002 case VIDIOC_S_INPUT:
2003 case VIDIOC_QUERYCTRL:
2006 return saa7134_common_ioctl(dev, cmd, arg);
2008 case VIDIOC_G_AUDIO:
2010 struct v4l2_audio *a = arg;
2012 memset(a,0,sizeof(*a));
2013 strcpy(a->name,"audio");
2016 case VIDIOC_S_AUDIO:
2020 struct v4l2_captureparm *parm = arg;
2021 memset(parm,0,sizeof(*parm));
2025 case VIDIOC_G_PRIORITY:
2027 enum v4l2_priority *p = arg;
2029 *p = v4l2_prio_max(&dev->prio);
2032 case VIDIOC_S_PRIORITY:
2034 enum v4l2_priority *prio = arg;
2036 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
2039 /* --- preview ioctls ---------------------------------------- */
2040 case VIDIOC_ENUM_FMT:
2042 struct v4l2_fmtdesc *f = arg;
2043 enum v4l2_buf_type type;
2049 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2050 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
2051 if (saa7134_no_overlay > 0) {
2052 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2055 if (index >= FORMATS)
2057 if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
2058 formats[index].planar)
2060 memset(f,0,sizeof(*f));
2063 strlcpy(f->description,formats[index].name,sizeof(f->description));
2064 f->pixelformat = formats[index].fourcc;
2066 case V4L2_BUF_TYPE_VBI_CAPTURE:
2069 memset(f,0,sizeof(*f));
2072 f->pixelformat = V4L2_PIX_FMT_GREY;
2073 strcpy(f->description,"vbi data");
2082 struct v4l2_framebuffer *fb = arg;
2085 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2090 struct v4l2_framebuffer *fb = arg;
2091 struct saa7134_format *fmt;
2093 if(!capable(CAP_SYS_ADMIN) &&
2094 !capable(CAP_SYS_RAWIO))
2098 fmt = format_by_fourcc(fb->fmt.pixelformat);
2105 if (0 == dev->ovbuf.fmt.bytesperline)
2106 dev->ovbuf.fmt.bytesperline =
2107 dev->ovbuf.fmt.width*fmt->depth/8;
2110 case VIDIOC_OVERLAY:
2115 if (saa7134_no_overlay > 0) {
2116 printk ("no_overlay\n");
2120 if (!res_get(dev,fh,RESOURCE_OVERLAY))
2122 spin_lock_irqsave(&dev->slock,flags);
2123 start_preview(dev,fh);
2124 spin_unlock_irqrestore(&dev->slock,flags);
2127 if (!res_check(fh, RESOURCE_OVERLAY))
2129 spin_lock_irqsave(&dev->slock,flags);
2130 stop_preview(dev,fh);
2131 spin_unlock_irqrestore(&dev->slock,flags);
2132 res_free(dev,fh,RESOURCE_OVERLAY);
2137 /* --- capture ioctls ---------------------------------------- */
2140 struct v4l2_format *f = arg;
2141 return saa7134_g_fmt(dev,fh,f);
2145 struct v4l2_format *f = arg;
2146 return saa7134_s_fmt(dev,fh,f);
2148 case VIDIOC_TRY_FMT:
2150 struct v4l2_format *f = arg;
2151 return saa7134_try_fmt(dev,fh,f);
2153 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2156 struct video_mbuf *mbuf = arg;
2157 struct videobuf_queue *q;
2158 struct v4l2_requestbuffers req;
2161 q = saa7134_queue(fh);
2162 memset(&req,0,sizeof(req));
2164 req.count = gbuffers;
2165 req.memory = V4L2_MEMORY_MMAP;
2166 err = videobuf_reqbufs(q,&req);
2169 memset(mbuf,0,sizeof(*mbuf));
2170 mbuf->frames = req.count;
2172 for (i = 0; i < mbuf->frames; i++) {
2173 mbuf->offsets[i] = q->bufs[i]->boff;
2174 mbuf->size += q->bufs[i]->bsize;
2179 case VIDIOC_REQBUFS:
2180 return videobuf_reqbufs(saa7134_queue(fh),arg);
2182 case VIDIOC_QUERYBUF:
2183 return videobuf_querybuf(saa7134_queue(fh),arg);
2186 return videobuf_qbuf(saa7134_queue(fh),arg);
2189 return videobuf_dqbuf(saa7134_queue(fh),arg,
2190 file->f_flags & O_NONBLOCK);
2192 case VIDIOC_STREAMON:
2194 int res = saa7134_resource(fh);
2196 if (!res_get(dev,fh,res))
2198 return videobuf_streamon(saa7134_queue(fh));
2200 case VIDIOC_STREAMOFF:
2202 int res = saa7134_resource(fh);
2204 err = videobuf_streamoff(saa7134_queue(fh));
2207 res_free(dev,fh,res);
2212 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2218 static int video_ioctl(struct inode *inode, struct file *file,
2219 unsigned int cmd, unsigned long arg)
2221 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2224 static int radio_do_ioctl(struct inode *inode, struct file *file,
2225 unsigned int cmd, void *arg)
2227 struct saa7134_fh *fh = file->private_data;
2228 struct saa7134_dev *dev = fh->dev;
2230 if (video_debug > 1)
2231 v4l_print_ioctl(dev->name,cmd);
2233 case VIDIOC_QUERYCAP:
2235 struct v4l2_capability *cap = arg;
2237 memset(cap,0,sizeof(*cap));
2238 strcpy(cap->driver, "saa7134");
2239 strlcpy(cap->card, saa7134_boards[dev->board].name,
2241 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2242 cap->version = SAA7134_VERSION_CODE;
2243 cap->capabilities = V4L2_CAP_TUNER;
2246 case VIDIOC_G_TUNER:
2248 struct v4l2_tuner *t = arg;
2253 memset(t,0,sizeof(*t));
2254 strcpy(t->name, "Radio");
2255 t->type = V4L2_TUNER_RADIO;
2257 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2258 if (dev->input->amux == TV) {
2259 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2260 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2261 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2265 case VIDIOC_S_TUNER:
2267 struct v4l2_tuner *t = arg;
2272 saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t);
2276 case VIDIOC_ENUMINPUT:
2278 struct v4l2_input *i = arg;
2282 strcpy(i->name,"Radio");
2283 i->type = V4L2_INPUT_TYPE_TUNER;
2286 case VIDIOC_G_INPUT:
2292 case VIDIOC_G_AUDIO:
2294 struct v4l2_audio *a = arg;
2296 memset(a,0,sizeof(*a));
2297 strcpy(a->name,"Radio");
2302 v4l2_std_id *id = arg;
2306 case VIDIOC_S_AUDIO:
2307 case VIDIOC_S_INPUT:
2311 case VIDIOC_QUERYCTRL:
2313 const struct v4l2_queryctrl *ctrl;
2314 struct v4l2_queryctrl *c = arg;
2316 if (c->id < V4L2_CID_BASE ||
2317 c->id >= V4L2_CID_LASTP1)
2319 if (c->id == V4L2_CID_AUDIO_MUTE) {
2320 ctrl = ctrl_by_id(c->id);
2329 case VIDIOC_G_FREQUENCY:
2330 case VIDIOC_S_FREQUENCY:
2331 return video_do_ioctl(inode,file,cmd,arg);
2334 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2340 static int radio_ioctl(struct inode *inode, struct file *file,
2341 unsigned int cmd, unsigned long arg)
2343 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2346 static const struct file_operations video_fops =
2348 .owner = THIS_MODULE,
2350 .release = video_release,
2354 .ioctl = video_ioctl,
2355 .compat_ioctl = v4l_compat_ioctl32,
2356 .llseek = no_llseek,
2359 static const struct file_operations radio_fops =
2361 .owner = THIS_MODULE,
2363 .release = video_release,
2364 .ioctl = radio_ioctl,
2365 .compat_ioctl = v4l_compat_ioctl32,
2366 .llseek = no_llseek,
2369 /* ----------------------------------------------------------- */
2370 /* exported stuff */
2372 struct video_device saa7134_video_template =
2374 .name = "saa7134-video",
2375 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|
2376 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2378 .fops = &video_fops,
2382 struct video_device saa7134_vbi_template =
2384 .name = "saa7134-vbi",
2385 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2387 .fops = &video_fops,
2391 struct video_device saa7134_radio_template =
2393 .name = "saa7134-radio",
2394 .type = VID_TYPE_TUNER,
2396 .fops = &radio_fops,
2400 int saa7134_video_init1(struct saa7134_dev *dev)
2402 /* sanitycheck insmod options */
2403 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2405 if (gbufsize < 0 || gbufsize > gbufsize_max)
2406 gbufsize = gbufsize_max;
2407 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2409 /* put some sensible defaults into the data structures ... */
2410 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2411 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2412 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2413 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2414 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2415 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2416 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2417 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2419 if (dev->tda9887_conf && dev->ctl_automute)
2420 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2423 INIT_LIST_HEAD(&dev->video_q.queue);
2424 init_timer(&dev->video_q.timeout);
2425 dev->video_q.timeout.function = saa7134_buffer_timeout;
2426 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2427 dev->video_q.dev = dev;
2429 if (saa7134_boards[dev->board].video_out) {
2430 /* enable video output */
2431 int vo = saa7134_boards[dev->board].video_out;
2433 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2434 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2435 video_reg = video_out[vo][1];
2436 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2437 video_reg &= ~VP_T_CODE_P_INVERTED;
2438 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2439 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2440 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2441 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2442 video_reg = video_out[vo][5];
2443 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2444 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2445 if (vid_port_opts & SET_CLOCK_INVERTED)
2446 video_reg |= VP_CLK_CTRL1_INVERTED;
2447 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2448 video_reg = video_out[vo][6];
2449 if (vid_port_opts & SET_VSYNC_OFF) {
2450 video_reg &= ~VP_VS_TYPE_MASK;
2451 video_reg |= VP_VS_TYPE_OFF;
2453 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2454 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2455 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2461 int saa7134_video_init2(struct saa7134_dev *dev)
2464 set_tvnorm(dev,&tvnorms[0]);
2466 saa7134_tvaudio_setmute(dev);
2467 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2471 int saa7134_video_fini(struct saa7134_dev *dev)
2477 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2479 static const char *st[] = {
2480 "(no signal)", "NTSC", "PAL", "SECAM" };
2483 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2484 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2485 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2486 (st1 & 0x40) ? "not locked" : "locked",
2487 (st2 & 0x40) ? "no" : "yes",
2489 dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2491 if (dev->nosignal) {
2492 /* no video signal -> mute audio */
2493 if (dev->ctl_automute)
2495 saa7134_tvaudio_setmute(dev);
2496 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2498 /* wake up tvaudio audio carrier scan thread */
2499 saa7134_tvaudio_do_scan(dev);
2501 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2503 if (dev->mops && dev->mops->signal_change)
2504 dev->mops->signal_change(dev);
2507 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2509 enum v4l2_field field;
2511 spin_lock(&dev->slock);
2512 if (dev->video_q.curr) {
2513 dev->video_fieldcount++;
2514 field = dev->video_q.curr->vb.field;
2515 if (V4L2_FIELD_HAS_BOTH(field)) {
2516 /* make sure we have seen both fields */
2517 if ((status & 0x10) == 0x00) {
2518 dev->video_q.curr->top_seen = 1;
2521 if (!dev->video_q.curr->top_seen)
2523 } else if (field == V4L2_FIELD_TOP) {
2524 if ((status & 0x10) != 0x10)
2526 } else if (field == V4L2_FIELD_BOTTOM) {
2527 if ((status & 0x10) != 0x00)
2530 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2531 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2533 saa7134_buffer_next(dev,&dev->video_q);
2536 spin_unlock(&dev->slock);
2539 /* ----------------------------------------------------------- */