2 * device driver for philips saa7134 based TV cards
3 * video4linux video interface
5 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <linux/init.h>
23 #include <linux/list.h>
24 #include <linux/module.h>
25 #include <linux/kernel.h>
26 #include <linux/slab.h>
28 #include "saa7134-reg.h"
31 /* ------------------------------------------------------------------ */
33 static unsigned int video_debug = 0;
34 static unsigned int gbuffers = 8;
35 static unsigned int noninterlaced = 0;
36 static unsigned int gbufsize = 768*576*4;
37 static unsigned int gbufsize_max = 768*576*4;
38 MODULE_PARM(video_debug,"i");
39 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
40 MODULE_PARM(gbuffers,"i");
41 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
42 MODULE_PARM(noninterlaced,"i");
43 MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced");
45 #define dprintk(fmt, arg...) if (video_debug) \
46 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
48 /* ------------------------------------------------------------------ */
49 /* data structs for video */
51 static int video_out[][9] = {
52 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
55 static struct saa7134_format formats[] = {
58 .fourcc = V4L2_PIX_FMT_GREY,
62 .name = "15 bpp RGB, le",
63 .fourcc = V4L2_PIX_FMT_RGB555,
67 .name = "15 bpp RGB, be",
68 .fourcc = V4L2_PIX_FMT_RGB555X,
73 .name = "16 bpp RGB, le",
74 .fourcc = V4L2_PIX_FMT_RGB565,
78 .name = "16 bpp RGB, be",
79 .fourcc = V4L2_PIX_FMT_RGB565X,
84 .name = "24 bpp RGB, le",
85 .fourcc = V4L2_PIX_FMT_BGR24,
89 .name = "24 bpp RGB, be",
90 .fourcc = V4L2_PIX_FMT_RGB24,
95 .name = "32 bpp RGB, le",
96 .fourcc = V4L2_PIX_FMT_BGR32,
100 .name = "32 bpp RGB, be",
101 .fourcc = V4L2_PIX_FMT_RGB32,
107 .name = "4:2:2 packed, YUYV",
108 .fourcc = V4L2_PIX_FMT_YUYV,
114 .name = "4:2:2 packed, UYVY",
115 .fourcc = V4L2_PIX_FMT_UYVY,
120 .name = "4:2:2 planar, Y-Cb-Cr",
121 .fourcc = V4L2_PIX_FMT_YUV422P,
129 .name = "4:2:0 planar, Y-Cb-Cr",
130 .fourcc = V4L2_PIX_FMT_YUV420,
138 .name = "4:2:0 planar, Y-Cb-Cr",
139 .fourcc = V4L2_PIX_FMT_YVU420,
149 #define FORMATS ARRAY_SIZE(formats)
151 static struct saa7134_tvnorm tvnorms[] = {
156 .sync_control = 0x18,
157 .luma_control = 0x40,
158 .chroma_ctrl1 = 0x81,
160 .chroma_ctrl2 = 0x06,
174 .sync_control = 0x59,
175 .luma_control = 0x40,
176 .chroma_ctrl1 = 0x89,
178 .chroma_ctrl2 = 0x0e,
184 .video_v_stop = 22+240,
185 .vbi_v_start = 10, /* FIXME */
186 .vbi_v_stop = 21, /* FIXME */
190 .id = V4L2_STD_SECAM,
192 .sync_control = 0x18, /* old: 0x58, */
193 .luma_control = 0x1b,
194 .chroma_ctrl1 = 0xd1,
196 .chroma_ctrl2 = 0x00,
208 .id = V4L2_STD_PAL_M,
210 .sync_control = 0x59,
211 .luma_control = 0x40,
212 .chroma_ctrl1 = 0xb9,
214 .chroma_ctrl2 = 0x0e,
220 .video_v_stop = 22+240,
221 .vbi_v_start = 10, /* FIXME */
222 .vbi_v_stop = 21, /* FIXME */
226 .id = V4L2_STD_PAL_Nc,
228 .sync_control = 0x18,
229 .luma_control = 0x40,
230 .chroma_ctrl1 = 0xa1,
232 .chroma_ctrl2 = 0x06,
245 .id = V4L2_STD_PAL|V4L2_STD_NTSC|V4L2_STD_SECAM,
249 .sync_control = 0x98,
250 .luma_control = 0x40,
251 .chroma_ctrl1 = 0x8b,
253 .chroma_ctrl2 = 0x00,
266 #define TVNORMS ARRAY_SIZE(tvnorms)
268 #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
269 #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
270 #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
271 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 3)
273 static const struct v4l2_queryctrl no_ctrl = {
275 .flags = V4L2_CTRL_FLAG_DISABLED,
277 static const struct v4l2_queryctrl video_ctrls[] = {
280 .id = V4L2_CID_BRIGHTNESS,
281 .name = "Brightness",
285 .default_value = 128,
286 .type = V4L2_CTRL_TYPE_INTEGER,
288 .id = V4L2_CID_CONTRAST,
294 .type = V4L2_CTRL_TYPE_INTEGER,
296 .id = V4L2_CID_SATURATION,
297 .name = "Saturation",
302 .type = V4L2_CTRL_TYPE_INTEGER,
310 .type = V4L2_CTRL_TYPE_INTEGER,
312 .id = V4L2_CID_VFLIP,
313 .name = "vertical flip",
316 .type = V4L2_CTRL_TYPE_BOOLEAN,
320 .id = V4L2_CID_AUDIO_MUTE,
324 .type = V4L2_CTRL_TYPE_BOOLEAN,
326 .id = V4L2_CID_AUDIO_VOLUME,
332 .type = V4L2_CTRL_TYPE_INTEGER,
334 /* --- private --- */
336 .id = V4L2_CID_PRIVATE_INVERT,
340 .type = V4L2_CTRL_TYPE_BOOLEAN,
342 .id = V4L2_CID_PRIVATE_Y_ODD,
343 .name = "y offset odd field",
347 .type = V4L2_CTRL_TYPE_INTEGER,
349 .id = V4L2_CID_PRIVATE_Y_EVEN,
350 .name = "y offset even field",
354 .type = V4L2_CTRL_TYPE_INTEGER,
357 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
359 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
363 for (i = 0; i < CTRLS; i++)
364 if (video_ctrls[i].id == id)
365 return video_ctrls+i;
369 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
373 for (i = 0; i < FORMATS; i++)
374 if (formats[i].fourcc == fourcc)
379 /* ----------------------------------------------------------------------- */
380 /* resource management */
382 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
384 if (fh->resources & bit)
385 /* have it already allocated */
390 if (dev->resources & bit) {
391 /* no, someone else uses it */
395 /* it's free, grab it */
396 fh->resources |= bit;
397 dev->resources |= bit;
398 dprintk("res: get %d\n",bit);
404 int res_check(struct saa7134_fh *fh, unsigned int bit)
406 return (fh->resources & bit);
410 int res_locked(struct saa7134_dev *dev, unsigned int bit)
412 return (dev->resources & bit);
416 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
418 if ((fh->resources & bits) != bits)
422 fh->resources &= ~bits;
423 dev->resources &= ~bits;
424 dprintk("res: put %d\n",bits);
428 /* ------------------------------------------------------------------ */
430 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
432 struct video_channel c;
433 int luma_control,sync_control,mux;
435 dprintk("set tv norm = %s\n",norm->name);
438 mux = card_in(dev,dev->ctl_input).vmux;
439 luma_control = norm->luma_control;
440 sync_control = norm->sync_control;
443 luma_control |= 0x80; /* svideo */
445 sync_control |= 0x20;
448 dev->crop_bounds.left = norm->h_start;
449 dev->crop_defrect.left = norm->h_start;
450 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
451 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
453 dev->crop_bounds.top = (norm->vbi_v_stop+1)*2;
454 dev->crop_defrect.top = norm->video_v_start*2;
455 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
456 - dev->crop_bounds.top;
457 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
459 dev->crop_current = dev->crop_defrect;
461 /* setup video decoder */
462 saa_writeb(SAA7134_INCR_DELAY, 0x08);
463 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
464 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
466 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
467 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
468 saa_writeb(SAA7134_HSYNC_START, 0xeb);
469 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
470 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
472 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
473 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
474 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
475 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, dev->ctl_contrast);
477 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
478 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
479 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
480 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
482 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
483 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
485 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
486 saa_writeb(SAA7134_VGATE_START, 0x11);
487 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
488 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
489 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
490 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
492 /* pass down info to the i2c chips (v4l1) */
493 memset(&c,0,sizeof(c));
494 c.channel = dev->ctl_input;
495 c.norm = VIDEO_MODE_PAL;
496 if (norm->id & V4L2_STD_NTSC)
497 c.norm = VIDEO_MODE_NTSC;
498 if (norm->id & V4L2_STD_SECAM)
499 c.norm = VIDEO_MODE_SECAM;
500 saa7134_i2c_call_clients(dev,VIDIOCSCHAN,&c);
503 static void video_mux(struct saa7134_dev *dev, int input)
505 dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
506 dev->ctl_input = input;
507 set_tvnorm(dev,dev->tvnorm);
508 saa7134_tvaudio_setinput(dev,&card_in(dev,input));
511 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
513 static const struct {
520 /* XPSC XACL XC2_1 XDCG VPFY */
532 static const int count = ARRAY_SIZE(vals);
535 for (i = 0; i < count; i++)
536 if (vals[i].xpsc == prescale)
541 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
542 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
543 saa_writeb(SAA7134_LEVEL_CTRL(task),
544 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
545 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
546 (vals[i].vpfy << 2) | vals[i].vpfy);
549 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
553 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
554 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
556 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
559 dprintk("yscale LPI yscale=%d\n",yscale);
560 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
561 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
562 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
565 val = 0x40 * 1024 / yscale;
566 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
567 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
568 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
569 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
571 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
574 static void set_size(struct saa7134_dev *dev, int task,
575 int width, int height, int interlace)
577 int prescale,xscale,yscale,y_even,y_odd;
578 int h_start, h_stop, v_start, v_stop;
579 int div = interlace ? 2 : 1;
581 /* setup video scaler */
582 h_start = dev->crop_current.left;
583 v_start = dev->crop_current.top/2;
584 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
585 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
587 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
588 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
589 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
590 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
591 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
592 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
593 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
594 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
596 prescale = dev->crop_defrect.width / width;
599 xscale = 1024 * dev->crop_defrect.width / prescale / width;
600 yscale = 512 * div * dev->crop_defrect.height / height;
601 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
602 set_h_prescale(dev,task,prescale);
603 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
604 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
605 set_v_scale(dev,task,yscale);
607 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
608 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
609 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
610 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
612 /* deinterlace y offsets */
613 y_odd = dev->ctl_y_odd;
614 y_even = dev->ctl_y_even;
615 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
616 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
617 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
618 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
621 /* ------------------------------------------------------------------ */
629 static void sort_cliplist(struct cliplist *cl, int entries)
631 struct cliplist swap;
634 for (i = entries-2; i >= 0; i--) {
635 for (n = 0, j = 0; j <= i; j++) {
636 if (cl[j].position > cl[j+1].position) {
648 static void set_cliplist(struct saa7134_dev *dev, int reg,
649 struct cliplist *cl, int entries, char *name)
654 for (i = 0; i < entries; i++) {
655 winbits |= cl[i].enable;
656 winbits &= ~cl[i].disable;
657 if (i < 15 && cl[i].position == cl[i+1].position)
659 saa_writeb(reg + 0, winbits);
660 saa_writeb(reg + 2, cl[i].position & 0xff);
661 saa_writeb(reg + 3, cl[i].position >> 8);
662 dprintk("clip: %s winbits=%02x pos=%d\n",
663 name,winbits,cl[i].position);
666 for (; reg < 0x400; reg += 8) {
667 saa_writeb(reg+ 0, 0);
668 saa_writeb(reg + 1, 0);
669 saa_writeb(reg + 2, 0);
670 saa_writeb(reg + 3, 0);
674 static int clip_range(int val)
681 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
682 int nclips, int interlace)
684 struct cliplist col[16], row[16];
686 int div = interlace ? 2 : 1;
688 memset(col,0,sizeof(col)); cols = 0;
689 memset(row,0,sizeof(row)); rows = 0;
690 for (i = 0; i < nclips && i < 8; i++) {
691 col[cols].position = clip_range(clips[i].c.left);
692 col[cols].enable = (1 << i);
694 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
695 col[cols].disable = (1 << i);
697 row[rows].position = clip_range(clips[i].c.top / div);
698 row[rows].enable = (1 << i);
700 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
702 row[rows].disable = (1 << i);
705 sort_cliplist(col,cols);
706 sort_cliplist(row,rows);
707 set_cliplist(dev,0x380,col,cols,"cols");
708 set_cliplist(dev,0x384,row,rows,"rows");
712 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
714 enum v4l2_field field;
717 if (NULL == dev->ovbuf.base)
719 if (NULL == dev->ovfmt)
721 if (win->w.width < 48 || win->w.height < 32)
723 if (win->clipcount > 2048)
727 maxw = dev->crop_current.width;
728 maxh = dev->crop_current.height;
730 if (V4L2_FIELD_ANY == field) {
731 field = (win->w.height > maxh/2)
732 ? V4L2_FIELD_INTERLACED
737 case V4L2_FIELD_BOTTOM:
740 case V4L2_FIELD_INTERLACED:
747 if (win->w.width > maxw)
749 if (win->w.height > maxh)
750 win->w.height = maxh;
754 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
756 unsigned long base,control,bpl;
759 err = verify_preview(dev,&fh->win);
763 dev->ovfield = fh->win.field;
764 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
765 fh->win.w.width,fh->win.w.height,
766 fh->win.w.left,fh->win.w.top,
767 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
769 /* setup window + clipping */
770 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
771 V4L2_FIELD_HAS_BOTH(dev->ovfield));
772 setup_clipping(dev,fh->clips,fh->nclips,
773 V4L2_FIELD_HAS_BOTH(dev->ovfield));
775 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
777 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
778 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
780 /* dma: setup channel 1 (= Video Task B) */
781 base = (unsigned long)dev->ovbuf.base;
782 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
783 base += dev->ovfmt->depth/8 * fh->win.w.left;
784 bpl = dev->ovbuf.fmt.bytesperline;
785 control = SAA7134_RS_CONTROL_BURST_16;
786 if (dev->ovfmt->bswap)
787 control |= SAA7134_RS_CONTROL_BSWAP;
788 if (dev->ovfmt->wswap)
789 control |= SAA7134_RS_CONTROL_WSWAP;
790 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
791 saa_writel(SAA7134_RS_BA1(1),base);
792 saa_writel(SAA7134_RS_BA2(1),base+bpl);
793 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
794 saa_writel(SAA7134_RS_CONTROL(1),control);
796 saa_writel(SAA7134_RS_BA1(1),base);
797 saa_writel(SAA7134_RS_BA2(1),base);
798 saa_writel(SAA7134_RS_PITCH(1),bpl);
799 saa_writel(SAA7134_RS_CONTROL(1),control);
804 saa7134_set_dmabits(dev);
809 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
812 saa7134_set_dmabits(dev);
816 /* ------------------------------------------------------------------ */
818 static int buffer_activate(struct saa7134_dev *dev,
819 struct saa7134_buf *buf,
820 struct saa7134_buf *next)
822 unsigned long base,control,bpl;
823 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
825 dprintk("buffer_activate buf=%p\n",buf);
826 buf->vb.state = STATE_ACTIVE;
829 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
830 V4L2_FIELD_HAS_BOTH(buf->vb.field));
832 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
834 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
835 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
837 /* DMA: setup channel 0 (= Video Task A0) */
838 base = saa7134_buffer_base(buf);
839 if (buf->fmt->planar)
842 bpl = (buf->vb.width * buf->fmt->depth) / 8;
843 control = SAA7134_RS_CONTROL_BURST_16 |
844 SAA7134_RS_CONTROL_ME |
845 (buf->pt->dma >> 12);
847 control |= SAA7134_RS_CONTROL_BSWAP;
849 control |= SAA7134_RS_CONTROL_WSWAP;
850 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
852 saa_writel(SAA7134_RS_BA1(0),base);
853 saa_writel(SAA7134_RS_BA2(0),base+bpl);
854 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
857 saa_writel(SAA7134_RS_BA1(0),base);
858 saa_writel(SAA7134_RS_BA2(0),base);
859 saa_writel(SAA7134_RS_PITCH(0),bpl);
861 saa_writel(SAA7134_RS_CONTROL(0),control);
863 if (buf->fmt->planar) {
864 /* DMA: setup channel 4+5 (= planar task A) */
865 bpl_uv = bpl >> buf->fmt->hshift;
866 lines_uv = buf->vb.height >> buf->fmt->vshift;
867 base2 = base + bpl * buf->vb.height;
868 base3 = base2 + bpl_uv * lines_uv;
869 if (buf->fmt->uvswap)
870 tmp = base2, base2 = base3, base3 = tmp;
871 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
872 bpl_uv,lines_uv,base2,base3);
873 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
875 saa_writel(SAA7134_RS_BA1(4),base2);
876 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
877 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
878 saa_writel(SAA7134_RS_BA1(5),base3);
879 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
880 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
883 saa_writel(SAA7134_RS_BA1(4),base2);
884 saa_writel(SAA7134_RS_BA2(4),base2);
885 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
886 saa_writel(SAA7134_RS_BA1(5),base3);
887 saa_writel(SAA7134_RS_BA2(5),base3);
888 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
890 saa_writel(SAA7134_RS_CONTROL(4),control);
891 saa_writel(SAA7134_RS_CONTROL(5),control);
895 saa7134_set_dmabits(dev);
896 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
900 static int buffer_prepare(struct file *file, struct videobuf_buffer *vb,
901 enum v4l2_field field)
903 struct saa7134_fh *fh = file->private_data;
904 struct saa7134_dev *dev = fh->dev;
905 struct saa7134_buf *buf = (struct saa7134_buf *)vb;
912 if (fh->width < 48 ||
914 fh->width > dev->crop_current.width ||
915 fh->height > dev->crop_current.height)
917 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
918 if (0 != buf->vb.baddr && buf->vb.bsize < size)
921 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
922 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
924 if (buf->vb.width != fh->width ||
925 buf->vb.height != fh->height ||
926 buf->vb.size != size ||
927 buf->vb.field != field ||
928 buf->fmt != fh->fmt) {
929 saa7134_dma_free(dev,buf);
932 if (STATE_NEEDS_INIT == buf->vb.state) {
933 buf->vb.width = fh->width;
934 buf->vb.height = fh->height;
936 buf->vb.field = field;
938 buf->pt = &fh->pt_cap;
940 err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf);
943 err = saa7134_pgtable_build(dev->pci,buf->pt,
946 saa7134_buffer_startpage(buf));
950 buf->vb.state = STATE_PREPARED;
951 buf->activate = buffer_activate;
955 saa7134_dma_free(dev,buf);
960 buffer_setup(struct file *file, unsigned int *count, unsigned int *size)
962 struct saa7134_fh *fh = file->private_data;
964 *size = fh->fmt->depth * fh->width * fh->height >> 3;
967 *count = saa7134_buffer_count(*size,*count);
971 static void buffer_queue(struct file *file, struct videobuf_buffer *vb)
973 struct saa7134_fh *fh = file->private_data;
974 struct saa7134_buf *buf = (struct saa7134_buf *)vb;
976 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
979 static void buffer_release(struct file *file, struct videobuf_buffer *vb)
981 struct saa7134_fh *fh = file->private_data;
982 struct saa7134_buf *buf = (struct saa7134_buf *)vb;
984 saa7134_dma_free(fh->dev,buf);
987 static struct videobuf_queue_ops video_qops = {
988 .buf_setup = buffer_setup,
989 .buf_prepare = buffer_prepare,
990 .buf_queue = buffer_queue,
991 .buf_release = buffer_release,
994 /* ------------------------------------------------------------------ */
996 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
998 const struct v4l2_queryctrl* ctrl;
1000 ctrl = ctrl_by_id(c->id);
1004 case V4L2_CID_BRIGHTNESS:
1005 c->value = dev->ctl_bright;
1008 c->value = dev->ctl_hue;
1010 case V4L2_CID_CONTRAST:
1011 c->value = dev->ctl_contrast;
1013 case V4L2_CID_SATURATION:
1014 c->value = dev->ctl_saturation;
1016 case V4L2_CID_AUDIO_MUTE:
1017 c->value = dev->ctl_mute;
1019 case V4L2_CID_AUDIO_VOLUME:
1020 c->value = dev->ctl_volume;
1022 case V4L2_CID_PRIVATE_INVERT:
1023 c->value = dev->ctl_invert;
1025 case V4L2_CID_VFLIP:
1026 c->value = dev->ctl_mirror;
1028 case V4L2_CID_PRIVATE_Y_EVEN:
1029 c->value = dev->ctl_y_even;
1031 case V4L2_CID_PRIVATE_Y_ODD:
1032 c->value = dev->ctl_y_odd;
1040 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1041 struct v4l2_control *c)
1043 const struct v4l2_queryctrl* ctrl;
1044 unsigned long flags;
1045 int restart_overlay = 0;
1047 ctrl = ctrl_by_id(c->id);
1050 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1051 switch (ctrl->type) {
1052 case V4L2_CTRL_TYPE_BOOLEAN:
1053 case V4L2_CTRL_TYPE_MENU:
1054 case V4L2_CTRL_TYPE_INTEGER:
1055 if (c->value < ctrl->minimum)
1056 c->value = ctrl->minimum;
1057 if (c->value > ctrl->maximum)
1058 c->value = ctrl->maximum;
1064 case V4L2_CID_BRIGHTNESS:
1065 dev->ctl_bright = c->value;
1066 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1069 dev->ctl_hue = c->value;
1070 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1072 case V4L2_CID_CONTRAST:
1073 dev->ctl_contrast = c->value;
1074 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1075 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1077 case V4L2_CID_SATURATION:
1078 dev->ctl_saturation = c->value;
1079 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1080 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1082 case V4L2_CID_AUDIO_MUTE:
1083 dev->ctl_mute = c->value;
1084 saa7134_tvaudio_setmute(dev);
1086 case V4L2_CID_AUDIO_VOLUME:
1087 dev->ctl_volume = c->value;
1088 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1090 case V4L2_CID_PRIVATE_INVERT:
1091 dev->ctl_invert = c->value;
1092 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1093 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1094 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1095 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1097 case V4L2_CID_VFLIP:
1098 dev->ctl_mirror = c->value;
1099 restart_overlay = 1;
1101 case V4L2_CID_PRIVATE_Y_EVEN:
1102 dev->ctl_y_even = c->value;
1103 restart_overlay = 1;
1105 case V4L2_CID_PRIVATE_Y_ODD:
1106 dev->ctl_y_odd = c->value;
1107 restart_overlay = 1;
1112 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1113 spin_lock_irqsave(&dev->slock,flags);
1114 stop_preview(dev,fh);
1115 start_preview(dev,fh);
1116 spin_unlock_irqrestore(&dev->slock,flags);
1121 /* ------------------------------------------------------------------ */
1123 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1125 struct videobuf_queue* q = NULL;
1128 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1131 case V4L2_BUF_TYPE_VBI_CAPTURE:
1140 static int saa7134_resource(struct saa7134_fh *fh)
1145 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1146 res = RESOURCE_VIDEO;
1148 case V4L2_BUF_TYPE_VBI_CAPTURE:
1157 static int video_open(struct inode *inode, struct file *file)
1159 int minor = iminor(inode);
1160 struct saa7134_dev *h,*dev = NULL;
1161 struct saa7134_fh *fh;
1162 struct list_head *list;
1163 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1166 list_for_each(list,&saa7134_devlist) {
1167 h = list_entry(list, struct saa7134_dev, devlist);
1168 if (h->video_dev && (h->video_dev->minor == minor))
1170 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1174 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1175 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1182 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1183 v4l2_type_names[type]);
1185 /* allocate + initialize per filehandle data */
1186 fh = kmalloc(sizeof(*fh),GFP_KERNEL);
1189 memset(fh,0,sizeof(*fh));
1190 file->private_data = fh;
1194 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1197 #ifdef VIDIOC_G_PRIORITY
1198 v4l2_prio_open(&dev->prio,&fh->prio);
1201 videobuf_queue_init(&fh->cap, &video_qops,
1202 dev->pci, &dev->slock,
1203 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1204 V4L2_FIELD_INTERLACED,
1205 sizeof(struct saa7134_buf));
1206 init_MUTEX(&fh->cap.lock);
1207 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1209 videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1210 dev->pci, &dev->slock,
1211 V4L2_BUF_TYPE_VBI_CAPTURE,
1213 sizeof(struct saa7134_buf));
1214 init_MUTEX(&fh->vbi.lock);
1215 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1218 /* switch to radio mode */
1219 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1220 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO,NULL);
1222 /* switch to video/vbi mode */
1223 video_mux(dev,dev->ctl_input);
1229 video_read(struct file *file, char *data, size_t count, loff_t *ppos)
1231 struct saa7134_fh *fh = file->private_data;
1234 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1235 if (res_locked(fh->dev,RESOURCE_VIDEO))
1237 return videobuf_read_one(file, saa7134_queue(fh),
1239 case V4L2_BUF_TYPE_VBI_CAPTURE:
1240 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1242 return videobuf_read_stream(file, saa7134_queue(fh),
1243 data, count, ppos, 1);
1252 video_poll(struct file *file, struct poll_table_struct *wait)
1254 struct saa7134_fh *fh = file->private_data;
1255 struct videobuf_buffer *buf = NULL;
1257 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1258 return videobuf_poll_stream(file, &fh->vbi, wait);
1260 if (res_check(fh,RESOURCE_VIDEO)) {
1261 if (!list_empty(&fh->cap.stream))
1262 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1264 down(&fh->cap.lock);
1265 if (UNSET == fh->cap.read_off) {
1266 /* need to capture a new frame */
1267 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1271 if (0 != fh->cap.ops->buf_prepare(file,fh->cap.read_buf,fh->cap.field)) {
1275 fh->cap.ops->buf_queue(file,fh->cap.read_buf);
1276 fh->cap.read_off = 0;
1279 buf = fh->cap.read_buf;
1285 poll_wait(file, &buf->done, wait);
1286 if (buf->state == STATE_DONE ||
1287 buf->state == STATE_ERROR)
1288 return POLLIN|POLLRDNORM;
1292 static int video_release(struct inode *inode, struct file *file)
1294 struct saa7134_fh *fh = file->private_data;
1295 struct saa7134_dev *dev = fh->dev;
1296 unsigned long flags;
1298 /* turn off overlay */
1299 if (res_check(fh, RESOURCE_OVERLAY)) {
1300 spin_lock_irqsave(&dev->slock,flags);
1301 stop_preview(dev,fh);
1302 spin_unlock_irqrestore(&dev->slock,flags);
1303 res_free(dev,fh,RESOURCE_OVERLAY);
1306 /* stop video capture */
1307 if (res_check(fh, RESOURCE_VIDEO)) {
1308 videobuf_streamoff(file,&fh->cap);
1309 res_free(dev,fh,RESOURCE_VIDEO);
1311 if (fh->cap.read_buf) {
1312 buffer_release(file,fh->cap.read_buf);
1313 kfree(fh->cap.read_buf);
1316 /* stop vbi capture */
1317 if (res_check(fh, RESOURCE_VBI)) {
1318 if (fh->vbi.streaming)
1319 videobuf_streamoff(file,&fh->vbi);
1320 if (fh->vbi.reading)
1321 videobuf_read_stop(file,&fh->vbi);
1322 res_free(dev,fh,RESOURCE_VBI);
1325 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1326 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1328 #ifdef VIDIOC_G_PRIORITY
1329 v4l2_prio_close(&dev->prio,&fh->prio);
1331 file->private_data = NULL;
1337 video_mmap(struct file *file, struct vm_area_struct * vma)
1339 struct saa7134_fh *fh = file->private_data;
1341 return videobuf_mmap_mapper(vma,saa7134_queue(fh));
1344 /* ------------------------------------------------------------------ */
1346 void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1348 struct saa7134_tvnorm *norm = dev->tvnorm;
1350 f->fmt.vbi.sampling_rate = 6750000 * 4;
1351 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1352 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1353 f->fmt.vbi.offset = 64 * 4;
1354 f->fmt.vbi.start[0] = norm->vbi_v_start;
1355 f->fmt.vbi.count[0] = norm->vbi_v_stop - norm->vbi_v_start +1;
1356 f->fmt.vbi.start[1] = norm->video_v_stop + norm->vbi_v_start +1;
1357 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1358 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1361 if (V4L2_STD_PAL == norm->id) {
1363 f->fmt.vbi.start[0] += 3;
1364 f->fmt.vbi.start[1] += 3*2;
1369 int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1370 struct v4l2_format *f)
1373 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1374 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1375 f->fmt.pix.width = fh->width;
1376 f->fmt.pix.height = fh->height;
1377 f->fmt.pix.field = fh->cap.field;
1378 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1379 f->fmt.pix.bytesperline =
1380 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1381 f->fmt.pix.sizeimage =
1382 f->fmt.pix.height * f->fmt.pix.bytesperline;
1384 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1385 f->fmt.win = fh->win;
1387 case V4L2_BUF_TYPE_VBI_CAPTURE:
1388 saa7134_vbi_fmt(dev,f);
1395 int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1396 struct v4l2_format *f)
1401 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1403 struct saa7134_format *fmt;
1404 enum v4l2_field field;
1405 unsigned int maxw, maxh;
1407 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1411 field = f->fmt.pix.field;
1412 maxw = dev->crop_current.width;
1413 maxh = dev->crop_current.height;
1415 if (V4L2_FIELD_ANY == field) {
1416 field = (f->fmt.pix.height > maxh/2)
1417 ? V4L2_FIELD_INTERLACED
1418 : V4L2_FIELD_BOTTOM;
1421 case V4L2_FIELD_TOP:
1422 case V4L2_FIELD_BOTTOM:
1425 case V4L2_FIELD_INTERLACED:
1431 f->fmt.pix.field = field;
1432 if (f->fmt.pix.width < 48)
1433 f->fmt.pix.width = 48;
1434 if (f->fmt.pix.height < 32)
1435 f->fmt.pix.height = 32;
1436 if (f->fmt.pix.width > maxw)
1437 f->fmt.pix.width = maxw;
1438 if (f->fmt.pix.height > maxh)
1439 f->fmt.pix.height = maxh;
1440 f->fmt.pix.bytesperline =
1441 (f->fmt.pix.width * fmt->depth) >> 3;
1442 f->fmt.pix.sizeimage =
1443 f->fmt.pix.height * f->fmt.pix.bytesperline;
1447 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1448 err = verify_preview(dev,&f->fmt.win);
1452 case V4L2_BUF_TYPE_VBI_CAPTURE:
1453 saa7134_vbi_fmt(dev,f);
1460 int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1461 struct v4l2_format *f)
1463 unsigned long flags;
1467 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1468 err = saa7134_try_fmt(dev,fh,f);
1472 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1473 fh->width = f->fmt.pix.width;
1474 fh->height = f->fmt.pix.height;
1475 fh->cap.field = f->fmt.pix.field;
1477 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1478 err = verify_preview(dev,&f->fmt.win);
1483 fh->win = f->fmt.win;
1484 fh->nclips = f->fmt.win.clipcount;
1487 if (copy_from_user(fh->clips,f->fmt.win.clips,
1488 sizeof(struct v4l2_clip)*fh->nclips)) {
1493 if (res_check(fh, RESOURCE_OVERLAY)) {
1494 spin_lock_irqsave(&dev->slock,flags);
1495 stop_preview(dev,fh);
1496 start_preview(dev,fh);
1497 spin_unlock_irqrestore(&dev->slock,flags);
1501 case V4L2_BUF_TYPE_VBI_CAPTURE:
1502 saa7134_vbi_fmt(dev,f);
1509 int saa7134_common_ioctl(struct saa7134_dev *dev,
1510 unsigned int cmd, void *arg)
1515 case VIDIOC_QUERYCTRL:
1517 const struct v4l2_queryctrl *ctrl;
1518 struct v4l2_queryctrl *c = arg;
1520 if ((c->id < V4L2_CID_BASE ||
1521 c->id >= V4L2_CID_LASTP1) &&
1522 (c->id < V4L2_CID_PRIVATE_BASE ||
1523 c->id >= V4L2_CID_PRIVATE_LASTP1))
1525 ctrl = ctrl_by_id(c->id);
1526 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1530 return get_control(dev,arg);
1534 err = set_control(dev,NULL,arg);
1538 /* --- input switching --------------------------------------- */
1539 case VIDIOC_ENUMINPUT:
1541 struct v4l2_input *i = arg;
1545 if (n >= SAA7134_INPUT_MAX)
1547 if (NULL == card_in(dev,i->index).name)
1549 memset(i,0,sizeof(*i));
1551 i->type = V4L2_INPUT_TYPE_CAMERA;
1552 strcpy(i->name,card_in(dev,n).name);
1553 if (card_in(dev,n).tv)
1554 i->type = V4L2_INPUT_TYPE_TUNER;
1556 if (n == dev->ctl_input) {
1557 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1558 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1560 if (0 != (v1 & 0x40))
1561 i->status |= V4L2_IN_ST_NO_H_LOCK;
1562 if (0 != (v2 & 0x40))
1563 i->status |= V4L2_IN_ST_NO_SYNC;
1564 if (0 != (v2 & 0x0e))
1565 i->status |= V4L2_IN_ST_MACROVISION;
1567 for (n = 0; n < TVNORMS; n++)
1568 i->std |= tvnorms[n].id;
1571 case VIDIOC_G_INPUT:
1574 *i = dev->ctl_input;
1577 case VIDIOC_S_INPUT:
1581 if (*i < 0 || *i >= SAA7134_INPUT_MAX)
1583 if (NULL == card_in(dev,*i).name)
1596 * This function is _not_ called directly, but from
1597 * video_generic_ioctl (and maybe others). userspace
1598 * copying is done already, arg is a kernel pointer.
1600 static int video_do_ioctl(struct inode *inode, struct file *file,
1601 unsigned int cmd, void *arg)
1603 struct saa7134_fh *fh = file->private_data;
1604 struct saa7134_dev *dev = fh->dev;
1605 unsigned long flags;
1608 if (video_debug > 1)
1609 saa7134_print_ioctl(dev->name,cmd);
1611 #ifdef VIDIOC_G_PRIORITY
1615 case VIDIOC_S_INPUT:
1616 case VIDIOC_S_TUNER:
1617 case VIDIOC_S_FREQUENCY:
1618 err = v4l2_prio_check(&dev->prio,&fh->prio);
1625 case VIDIOC_QUERYCAP:
1627 struct v4l2_capability *cap = arg;
1629 memset(cap,0,sizeof(*cap));
1630 strcpy(cap->driver, "saa7134");
1631 strlcpy(cap->card, saa7134_boards[dev->board].name,
1633 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1634 cap->version = SAA7134_VERSION_CODE;
1636 V4L2_CAP_VIDEO_CAPTURE |
1637 V4L2_CAP_VIDEO_OVERLAY |
1638 V4L2_CAP_VBI_CAPTURE |
1640 V4L2_CAP_READWRITE |
1645 /* --- tv standards ------------------------------------------ */
1646 case VIDIOC_ENUMSTD:
1648 struct v4l2_standard *e = arg;
1654 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1655 tvnorms[e->index].name);
1663 v4l2_std_id *id = arg;
1665 *id = dev->tvnorm->id;
1670 v4l2_std_id *id = arg;
1673 for(i = 0; i < TVNORMS; i++)
1674 if (*id & tvnorms[i].id)
1680 if (res_check(fh, RESOURCE_OVERLAY)) {
1681 spin_lock_irqsave(&dev->slock,flags);
1682 stop_preview(dev,fh);
1683 set_tvnorm(dev,&tvnorms[i]);
1684 start_preview(dev,fh);
1685 spin_unlock_irqrestore(&dev->slock,flags);
1687 set_tvnorm(dev,&tvnorms[i]);
1692 case VIDIOC_CROPCAP:
1694 struct v4l2_cropcap *cap = arg;
1696 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1697 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1699 cap->bounds = dev->crop_bounds;
1700 cap->defrect = dev->crop_defrect;
1701 cap->pixelaspect.numerator = 1;
1702 cap->pixelaspect.denominator = 1;
1703 if (dev->tvnorm->id & V4L2_STD_525_60) {
1704 cap->pixelaspect.numerator = 11;
1705 cap->pixelaspect.denominator = 10;
1707 if (dev->tvnorm->id & V4L2_STD_625_50) {
1708 cap->pixelaspect.numerator = 54;
1709 cap->pixelaspect.denominator = 59;
1716 struct v4l2_crop * crop = arg;
1718 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1719 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1721 crop->c = dev->crop_current;
1726 struct v4l2_crop *crop = arg;
1727 struct v4l2_rect *b = &dev->crop_bounds;
1729 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1730 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1732 if (crop->c.height < 0)
1734 if (crop->c.width < 0)
1737 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1739 if (res_locked(fh->dev,RESOURCE_VIDEO))
1742 if (crop->c.top < b->top)
1743 crop->c.top = b->top;
1744 if (crop->c.top > b->top + b->height)
1745 crop->c.top = b->top + b->height;
1746 if (crop->c.height > b->top - crop->c.top + b->height)
1747 crop->c.height = b->top - crop->c.top + b->height;
1749 if (crop->c.left < b->left)
1750 crop->c.top = b->left;
1751 if (crop->c.left > b->left + b->width)
1752 crop->c.top = b->left + b->width;
1753 if (crop->c.width > b->left - crop->c.left + b->width)
1754 crop->c.width = b->left - crop->c.left + b->width;
1756 dev->crop_current = crop->c;
1760 /* --- tuner ioctls ------------------------------------------ */
1761 case VIDIOC_G_TUNER:
1763 struct v4l2_tuner *t = arg;
1768 memset(t,0,sizeof(*t));
1769 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1770 if (card_in(dev,n).tv)
1772 if (NULL != card_in(dev,n).name) {
1773 strcpy(t->name, "Television");
1774 t->capability = V4L2_TUNER_CAP_NORM |
1775 V4L2_TUNER_CAP_STEREO |
1776 V4L2_TUNER_CAP_LANG1 |
1777 V4L2_TUNER_CAP_LANG2;
1778 t->rangehigh = 0xffffffffUL;
1779 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1780 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1782 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1786 case VIDIOC_S_TUNER:
1788 struct v4l2_tuner *t = arg;
1791 mode = dev->thread.mode;
1792 if (UNSET == mode) {
1793 rx = saa7134_tvaudio_getstereo(dev);
1794 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1796 if (mode != t->audmode) {
1797 dev->thread.mode = t->audmode;
1801 case VIDIOC_G_FREQUENCY:
1803 struct v4l2_frequency *f = arg;
1805 memset(f,0,sizeof(*f));
1806 f->type = V4L2_TUNER_ANALOG_TV;
1807 f->frequency = dev->ctl_freq;
1810 case VIDIOC_S_FREQUENCY:
1812 struct v4l2_frequency *f = arg;
1816 if (V4L2_TUNER_ANALOG_TV != f->type)
1819 dev->ctl_freq = f->frequency;
1820 saa7134_i2c_call_clients(dev,VIDIOCSFREQ,&dev->ctl_freq);
1821 saa7134_tvaudio_do_scan(dev);
1826 /* --- control ioctls ---------------------------------------- */
1827 case VIDIOC_ENUMINPUT:
1828 case VIDIOC_G_INPUT:
1829 case VIDIOC_S_INPUT:
1830 case VIDIOC_QUERYCTRL:
1833 return saa7134_common_ioctl(dev, cmd, arg);
1835 case VIDIOC_G_AUDIO:
1837 struct v4l2_audio *a = arg;
1839 memset(a,0,sizeof(*a));
1840 strcpy(a->name,"audio");
1843 case VIDIOC_S_AUDIO:
1847 struct v4l2_captureparm *parm = arg;
1848 memset(parm,0,sizeof(*parm));
1852 #ifdef VIDIOC_G_PRIORITY
1853 case VIDIOC_G_PRIORITY:
1855 enum v4l2_priority *p = arg;
1857 *p = v4l2_prio_max(&dev->prio);
1860 case VIDIOC_S_PRIORITY:
1862 enum v4l2_priority *prio = arg;
1864 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
1868 /* --- preview ioctls ---------------------------------------- */
1869 case VIDIOC_ENUM_FMT:
1871 struct v4l2_fmtdesc *f = arg;
1872 enum v4l2_buf_type type;
1878 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1879 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1880 if (index >= FORMATS)
1882 if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
1883 formats[index].planar)
1885 memset(f,0,sizeof(*f));
1888 strlcpy(f->description,formats[index].name,sizeof(f->description));
1889 f->pixelformat = formats[index].fourcc;
1891 case V4L2_BUF_TYPE_VBI_CAPTURE:
1894 memset(f,0,sizeof(*f));
1897 f->pixelformat = V4L2_PIX_FMT_GREY;
1898 strcpy(f->description,"vbi data");
1907 struct v4l2_framebuffer *fb = arg;
1910 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1915 struct v4l2_framebuffer *fb = arg;
1916 struct saa7134_format *fmt;
1918 if(!capable(CAP_SYS_ADMIN) &&
1919 !capable(CAP_SYS_RAWIO))
1923 fmt = format_by_fourcc(fb->fmt.pixelformat);
1930 if (0 == dev->ovbuf.fmt.bytesperline)
1931 dev->ovbuf.fmt.bytesperline =
1932 dev->ovbuf.fmt.width*fmt->depth/8;
1935 case VIDIOC_OVERLAY:
1940 if (!res_get(dev,fh,RESOURCE_OVERLAY))
1942 spin_lock_irqsave(&dev->slock,flags);
1943 start_preview(dev,fh);
1944 spin_unlock_irqrestore(&dev->slock,flags);
1947 if (!res_check(fh, RESOURCE_OVERLAY))
1949 spin_lock_irqsave(&dev->slock,flags);
1950 stop_preview(dev,fh);
1951 spin_unlock_irqrestore(&dev->slock,flags);
1952 res_free(dev,fh,RESOURCE_OVERLAY);
1957 /* --- capture ioctls ---------------------------------------- */
1960 struct v4l2_format *f = arg;
1961 return saa7134_g_fmt(dev,fh,f);
1965 struct v4l2_format *f = arg;
1966 return saa7134_s_fmt(dev,fh,f);
1968 case VIDIOC_TRY_FMT:
1970 struct v4l2_format *f = arg;
1971 return saa7134_try_fmt(dev,fh,f);
1976 struct video_mbuf *mbuf = arg;
1977 struct videobuf_queue *q;
1978 struct v4l2_requestbuffers req;
1981 q = saa7134_queue(fh);
1982 memset(&req,0,sizeof(req));
1984 req.count = gbuffers;
1985 req.memory = V4L2_MEMORY_MMAP;
1986 err = videobuf_reqbufs(file,q,&req);
1989 memset(mbuf,0,sizeof(*mbuf));
1990 mbuf->frames = req.count;
1992 for (i = 0; i < mbuf->frames; i++) {
1993 mbuf->offsets[i] = q->bufs[i]->boff;
1994 mbuf->size += q->bufs[i]->bsize;
1998 case VIDIOC_REQBUFS:
1999 return videobuf_reqbufs(file,saa7134_queue(fh),arg);
2001 case VIDIOC_QUERYBUF:
2002 return videobuf_querybuf(saa7134_queue(fh),arg);
2005 return videobuf_qbuf(file,saa7134_queue(fh),arg);
2008 return videobuf_dqbuf(file,saa7134_queue(fh),arg);
2010 case VIDIOC_STREAMON:
2012 int res = saa7134_resource(fh);
2014 if (!res_get(dev,fh,res))
2016 return videobuf_streamon(file,saa7134_queue(fh));
2018 case VIDIOC_STREAMOFF:
2020 int res = saa7134_resource(fh);
2022 err = videobuf_streamoff(file,saa7134_queue(fh));
2025 res_free(dev,fh,res);
2030 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2036 static int video_ioctl(struct inode *inode, struct file *file,
2037 unsigned int cmd, unsigned long arg)
2039 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2042 static int radio_do_ioctl(struct inode *inode, struct file *file,
2043 unsigned int cmd, void *arg)
2045 struct saa7134_fh *fh = file->private_data;
2046 struct saa7134_dev *dev = fh->dev;
2048 if (video_debug > 1)
2049 saa7134_print_ioctl(dev->name,cmd);
2051 case VIDIOC_QUERYCAP:
2053 struct v4l2_capability *cap = arg;
2055 memset(cap,0,sizeof(*cap));
2056 strcpy(cap->driver, "saa7134");
2057 strlcpy(cap->card, saa7134_boards[dev->board].name,
2059 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2060 cap->version = SAA7134_VERSION_CODE;
2061 cap->capabilities = V4L2_CAP_TUNER;
2064 case VIDIOC_G_TUNER:
2066 struct v4l2_tuner *t = arg;
2067 struct video_tuner vt;
2072 memset(t,0,sizeof(*t));
2073 strcpy(t->name, "Radio");
2074 t->rangelow = (int)(65*16);
2075 t->rangehigh = (int)(108*16);
2077 memset(&vt,0,sizeof(vt));
2078 saa7134_i2c_call_clients(dev,VIDIOCGTUNER,&vt);
2079 t->signal = vt.signal;
2082 case VIDIOC_ENUMINPUT:
2084 struct v4l2_input *i = arg;
2088 strcpy(i->name,"Radio");
2089 i->type = V4L2_INPUT_TYPE_TUNER;
2092 case VIDIOC_G_INPUT:
2098 case VIDIOC_G_AUDIO:
2100 struct v4l2_audio *a = arg;
2102 memset(a,0,sizeof(*a));
2103 strcpy(a->name,"Radio");
2108 v4l2_std_id *id = arg;
2112 case VIDIOC_S_AUDIO:
2113 case VIDIOC_S_TUNER:
2114 case VIDIOC_S_INPUT:
2118 case VIDIOC_QUERYCTRL:
2120 const struct v4l2_queryctrl *ctrl;
2121 struct v4l2_queryctrl *c = arg;
2123 if (c->id < V4L2_CID_BASE ||
2124 c->id >= V4L2_CID_LASTP1)
2126 if (c->id == V4L2_CID_AUDIO_MUTE) {
2127 ctrl = ctrl_by_id(c->id);
2136 case VIDIOC_G_FREQUENCY:
2137 case VIDIOC_S_FREQUENCY:
2138 return video_do_ioctl(inode,file,cmd,arg);
2141 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2147 static int radio_ioctl(struct inode *inode, struct file *file,
2148 unsigned int cmd, unsigned long arg)
2150 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2153 static struct file_operations video_fops =
2155 .owner = THIS_MODULE,
2157 .release = video_release,
2161 .ioctl = video_ioctl,
2162 .llseek = no_llseek,
2165 static struct file_operations radio_fops =
2167 .owner = THIS_MODULE,
2169 .release = video_release,
2170 .ioctl = radio_ioctl,
2171 .llseek = no_llseek,
2174 /* ----------------------------------------------------------- */
2175 /* exported stuff */
2177 struct video_device saa7134_video_template =
2179 .name = "saa7134-video",
2180 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
2181 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2183 .fops = &video_fops,
2187 struct video_device saa7134_vbi_template =
2189 .name = "saa7134-vbi",
2190 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2192 .fops = &video_fops,
2196 struct video_device saa7134_radio_template =
2198 .name = "saa7134-radio",
2199 .type = VID_TYPE_TUNER,
2201 .fops = &radio_fops,
2205 int saa7134_video_init1(struct saa7134_dev *dev)
2207 /* sanitycheck insmod options */
2208 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2210 if (gbufsize < 0 || gbufsize > gbufsize_max)
2211 gbufsize = gbufsize_max;
2212 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2214 /* put some sensible defaults into the data structures ... */
2215 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2216 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2217 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2218 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2219 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2221 dev->ctl_invert = 0;
2225 INIT_LIST_HEAD(&dev->video_q.queue);
2226 init_timer(&dev->video_q.timeout);
2227 dev->video_q.timeout.function = saa7134_buffer_timeout;
2228 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2229 dev->video_q.dev = dev;
2231 if (saa7134_boards[dev->board].video_out) {
2232 /* enable video output */
2233 int vo = saa7134_boards[dev->board].video_out;
2234 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2235 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_out[vo][1]);
2236 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2237 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2238 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2239 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_out[vo][5]);
2240 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_out[vo][6]);
2241 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2242 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2248 int saa7134_video_init2(struct saa7134_dev *dev)
2251 set_tvnorm(dev,&tvnorms[0]);
2253 saa7134_tvaudio_setmute(dev);
2254 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2258 int saa7134_video_fini(struct saa7134_dev *dev)
2264 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2266 static const char *st[] = {
2267 "no signal", "found NTSC", "found PAL", "found SECAM" };
2270 norm = saa_readb(SAA7134_STATUS_VIDEO1) & 0x03;
2271 dprintk("DCSDT: %s\n",st[norm]);
2274 /* wake up tvaudio audio carrier scan thread */
2275 saa7134_tvaudio_do_scan(dev);
2277 /* no video signal -> mute audio */
2279 saa7134_tvaudio_setmute(dev);
2283 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2285 enum v4l2_field field;
2287 spin_lock(&dev->slock);
2288 if (dev->video_q.curr) {
2289 dev->video_fieldcount++;
2290 field = dev->video_q.curr->vb.field;
2291 if (V4L2_FIELD_HAS_BOTH(field)) {
2292 /* make sure we have seen both fields */
2293 if ((status & 0x10) == 0x00) {
2294 dev->video_q.curr->top_seen = 1;
2297 if (!dev->video_q.curr->top_seen)
2299 } else if (field == V4L2_FIELD_TOP) {
2300 if ((status & 0x10) != 0x10)
2302 } else if (field == V4L2_FIELD_BOTTOM) {
2303 if ((status & 0x10) != 0x00)
2306 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2307 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2309 saa7134_buffer_next(dev,&dev->video_q);
2312 spin_unlock(&dev->slock);
2315 /* ----------------------------------------------------------- */