2 * $Id: saa7134-video.c,v 1.19 2004/11/07 14:44:59 kraxel Exp $
4 * device driver for philips saa7134 based TV cards
5 * video4linux video interface
7 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <linux/init.h>
25 #include <linux/list.h>
26 #include <linux/module.h>
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
30 #include "saa7134-reg.h"
33 #define V4L2_I2C_CLIENTS 1
35 /* ------------------------------------------------------------------ */
37 static unsigned int video_debug = 0;
38 static unsigned int gbuffers = 8;
39 static unsigned int noninterlaced = 0;
40 static unsigned int gbufsize = 720*576*4;
41 static unsigned int gbufsize_max = 720*576*4;
42 module_param(video_debug, int, 0644);
43 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
44 module_param(gbuffers, int, 0444);
45 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
46 module_param(noninterlaced, int, 0644);
47 MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced");
49 #define dprintk(fmt, arg...) if (video_debug) \
50 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
52 /* ------------------------------------------------------------------ */
53 /* data structs for video */
55 static int video_out[][9] = {
56 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
59 static struct saa7134_format formats[] = {
62 .fourcc = V4L2_PIX_FMT_GREY,
66 .name = "15 bpp RGB, le",
67 .fourcc = V4L2_PIX_FMT_RGB555,
71 .name = "15 bpp RGB, be",
72 .fourcc = V4L2_PIX_FMT_RGB555X,
77 .name = "16 bpp RGB, le",
78 .fourcc = V4L2_PIX_FMT_RGB565,
82 .name = "16 bpp RGB, be",
83 .fourcc = V4L2_PIX_FMT_RGB565X,
88 .name = "24 bpp RGB, le",
89 .fourcc = V4L2_PIX_FMT_BGR24,
93 .name = "24 bpp RGB, be",
94 .fourcc = V4L2_PIX_FMT_RGB24,
99 .name = "32 bpp RGB, le",
100 .fourcc = V4L2_PIX_FMT_BGR32,
104 .name = "32 bpp RGB, be",
105 .fourcc = V4L2_PIX_FMT_RGB32,
111 .name = "4:2:2 packed, YUYV",
112 .fourcc = V4L2_PIX_FMT_YUYV,
118 .name = "4:2:2 packed, UYVY",
119 .fourcc = V4L2_PIX_FMT_UYVY,
124 .name = "4:2:2 planar, Y-Cb-Cr",
125 .fourcc = V4L2_PIX_FMT_YUV422P,
133 .name = "4:2:0 planar, Y-Cb-Cr",
134 .fourcc = V4L2_PIX_FMT_YUV420,
142 .name = "4:2:0 planar, Y-Cb-Cr",
143 .fourcc = V4L2_PIX_FMT_YVU420,
153 #define FORMATS ARRAY_SIZE(formats)
155 #define NORM_625_50 \
158 .video_v_start = 24, \
159 .video_v_stop = 311, \
164 #define NORM_525_60 \
167 .video_v_start = 22, \
168 .video_v_stop = 22+239, \
169 .vbi_v_start = 10, /* FIXME */ \
170 .vbi_v_stop = 21, /* FIXME */ \
173 static struct saa7134_tvnorm tvnorms[] = {
175 .name = "PAL", /* autodetect */
179 .sync_control = 0x18,
180 .luma_control = 0x40,
181 .chroma_ctrl1 = 0x81,
183 .chroma_ctrl2 = 0x06,
188 .id = V4L2_STD_PAL_BG,
191 .sync_control = 0x18,
192 .luma_control = 0x40,
193 .chroma_ctrl1 = 0x81,
195 .chroma_ctrl2 = 0x06,
200 .id = V4L2_STD_PAL_I,
203 .sync_control = 0x18,
204 .luma_control = 0x40,
205 .chroma_ctrl1 = 0x81,
207 .chroma_ctrl2 = 0x06,
212 .id = V4L2_STD_PAL_DK,
215 .sync_control = 0x18,
216 .luma_control = 0x40,
217 .chroma_ctrl1 = 0x81,
219 .chroma_ctrl2 = 0x06,
227 .sync_control = 0x59,
228 .luma_control = 0x40,
229 .chroma_ctrl1 = 0x89,
231 .chroma_ctrl2 = 0x0e,
236 .id = V4L2_STD_SECAM,
239 .sync_control = 0x18, /* old: 0x58, */
240 .luma_control = 0x1b,
241 .chroma_ctrl1 = 0xd1,
243 .chroma_ctrl2 = 0x00,
248 .id = V4L2_STD_PAL_M,
251 .sync_control = 0x59,
252 .luma_control = 0x40,
253 .chroma_ctrl1 = 0xb9,
255 .chroma_ctrl2 = 0x0e,
260 .id = V4L2_STD_PAL_Nc,
263 .sync_control = 0x18,
264 .luma_control = 0x40,
265 .chroma_ctrl1 = 0xa1,
267 .chroma_ctrl2 = 0x06,
272 #define TVNORMS ARRAY_SIZE(tvnorms)
274 #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
275 #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
276 #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
277 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
278 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
280 static const struct v4l2_queryctrl no_ctrl = {
282 .flags = V4L2_CTRL_FLAG_DISABLED,
284 static const struct v4l2_queryctrl video_ctrls[] = {
287 .id = V4L2_CID_BRIGHTNESS,
288 .name = "Brightness",
292 .default_value = 128,
293 .type = V4L2_CTRL_TYPE_INTEGER,
295 .id = V4L2_CID_CONTRAST,
301 .type = V4L2_CTRL_TYPE_INTEGER,
303 .id = V4L2_CID_SATURATION,
304 .name = "Saturation",
309 .type = V4L2_CTRL_TYPE_INTEGER,
317 .type = V4L2_CTRL_TYPE_INTEGER,
319 .id = V4L2_CID_VFLIP,
320 .name = "vertical flip",
323 .type = V4L2_CTRL_TYPE_BOOLEAN,
327 .id = V4L2_CID_AUDIO_MUTE,
331 .type = V4L2_CTRL_TYPE_BOOLEAN,
333 .id = V4L2_CID_AUDIO_VOLUME,
339 .type = V4L2_CTRL_TYPE_INTEGER,
341 /* --- private --- */
343 .id = V4L2_CID_PRIVATE_INVERT,
347 .type = V4L2_CTRL_TYPE_BOOLEAN,
349 .id = V4L2_CID_PRIVATE_Y_ODD,
350 .name = "y offset odd field",
354 .type = V4L2_CTRL_TYPE_INTEGER,
356 .id = V4L2_CID_PRIVATE_Y_EVEN,
357 .name = "y offset even field",
361 .type = V4L2_CTRL_TYPE_INTEGER,
363 .id = V4L2_CID_PRIVATE_AUTOMUTE,
368 .type = V4L2_CTRL_TYPE_BOOLEAN,
371 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
373 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
377 for (i = 0; i < CTRLS; i++)
378 if (video_ctrls[i].id == id)
379 return video_ctrls+i;
383 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
387 for (i = 0; i < FORMATS; i++)
388 if (formats[i].fourcc == fourcc)
393 /* ----------------------------------------------------------------------- */
394 /* resource management */
396 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
398 if (fh->resources & bit)
399 /* have it already allocated */
404 if (dev->resources & bit) {
405 /* no, someone else uses it */
409 /* it's free, grab it */
410 fh->resources |= bit;
411 dev->resources |= bit;
412 dprintk("res: get %d\n",bit);
418 int res_check(struct saa7134_fh *fh, unsigned int bit)
420 return (fh->resources & bit);
424 int res_locked(struct saa7134_dev *dev, unsigned int bit)
426 return (dev->resources & bit);
430 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
432 if ((fh->resources & bits) != bits)
436 fh->resources &= ~bits;
437 dev->resources &= ~bits;
438 dprintk("res: put %d\n",bits);
442 /* ------------------------------------------------------------------ */
444 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
446 int luma_control,sync_control,mux,nosignal;
448 dprintk("set tv norm = %s\n",norm->name);
450 nosignal = (0 == (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03));
452 mux = card_in(dev,dev->ctl_input).vmux;
453 luma_control = norm->luma_control;
454 sync_control = norm->sync_control;
457 luma_control |= 0x80; /* svideo */
458 if (noninterlaced || nosignal)
459 sync_control |= 0x20;
462 dev->crop_bounds.left = norm->h_start;
463 dev->crop_defrect.left = norm->h_start;
464 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
465 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
467 dev->crop_bounds.top = (norm->vbi_v_stop+1)*2;
468 dev->crop_defrect.top = norm->video_v_start*2;
469 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
470 - dev->crop_bounds.top;
471 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
473 dev->crop_current = dev->crop_defrect;
475 /* setup video decoder */
476 saa_writeb(SAA7134_INCR_DELAY, 0x08);
477 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
478 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
480 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
481 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
482 saa_writeb(SAA7134_HSYNC_START, 0xeb);
483 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
484 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
486 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
487 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
488 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
489 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, dev->ctl_contrast);
491 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
492 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
493 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
494 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
496 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
497 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
499 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
500 saa_writeb(SAA7134_VGATE_START, 0x11);
501 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
502 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
503 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
504 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
506 #ifdef V4L2_I2C_CLIENTS
507 saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
510 /* pass down info to the i2c chips (v4l1) */
511 struct video_channel c;
512 memset(&c,0,sizeof(c));
513 c.channel = dev->ctl_input;
514 c.norm = VIDEO_MODE_PAL;
515 if (norm->id & V4L2_STD_NTSC)
516 c.norm = VIDEO_MODE_NTSC;
517 if (norm->id & V4L2_STD_SECAM)
518 c.norm = VIDEO_MODE_SECAM;
519 saa7134_i2c_call_clients(dev,VIDIOCSCHAN,&c);
524 static void video_mux(struct saa7134_dev *dev, int input)
526 dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
527 dev->ctl_input = input;
528 set_tvnorm(dev,dev->tvnorm);
529 saa7134_tvaudio_setinput(dev,&card_in(dev,input));
532 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
534 static const struct {
541 /* XPSC XACL XC2_1 XDCG VPFY */
553 static const int count = ARRAY_SIZE(vals);
556 for (i = 0; i < count; i++)
557 if (vals[i].xpsc == prescale)
562 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
563 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
564 saa_writeb(SAA7134_LEVEL_CTRL(task),
565 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
566 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
567 (vals[i].vpfy << 2) | vals[i].vpfy);
570 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
574 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
575 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
577 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
580 dprintk("yscale LPI yscale=%d\n",yscale);
581 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
582 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
583 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
586 val = 0x40 * 1024 / yscale;
587 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
588 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
589 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
590 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
592 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
595 static void set_size(struct saa7134_dev *dev, int task,
596 int width, int height, int interlace)
598 int prescale,xscale,yscale,y_even,y_odd;
599 int h_start, h_stop, v_start, v_stop;
600 int div = interlace ? 2 : 1;
602 /* setup video scaler */
603 h_start = dev->crop_current.left;
604 v_start = dev->crop_current.top/2;
605 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
606 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
608 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
609 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
610 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
611 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
612 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
613 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
614 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
615 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
617 prescale = dev->crop_current.width / width;
620 xscale = 1024 * dev->crop_current.width / prescale / width;
621 yscale = 512 * div * dev->crop_current.height / height;
622 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
623 set_h_prescale(dev,task,prescale);
624 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
625 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
626 set_v_scale(dev,task,yscale);
628 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
629 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
630 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
631 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
633 /* deinterlace y offsets */
634 y_odd = dev->ctl_y_odd;
635 y_even = dev->ctl_y_even;
636 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
637 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
638 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
639 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
642 /* ------------------------------------------------------------------ */
650 static void sort_cliplist(struct cliplist *cl, int entries)
652 struct cliplist swap;
655 for (i = entries-2; i >= 0; i--) {
656 for (n = 0, j = 0; j <= i; j++) {
657 if (cl[j].position > cl[j+1].position) {
669 static void set_cliplist(struct saa7134_dev *dev, int reg,
670 struct cliplist *cl, int entries, char *name)
675 for (i = 0; i < entries; i++) {
676 winbits |= cl[i].enable;
677 winbits &= ~cl[i].disable;
678 if (i < 15 && cl[i].position == cl[i+1].position)
680 saa_writeb(reg + 0, winbits);
681 saa_writeb(reg + 2, cl[i].position & 0xff);
682 saa_writeb(reg + 3, cl[i].position >> 8);
683 dprintk("clip: %s winbits=%02x pos=%d\n",
684 name,winbits,cl[i].position);
687 for (; reg < 0x400; reg += 8) {
688 saa_writeb(reg+ 0, 0);
689 saa_writeb(reg + 1, 0);
690 saa_writeb(reg + 2, 0);
691 saa_writeb(reg + 3, 0);
695 static int clip_range(int val)
702 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
703 int nclips, int interlace)
705 struct cliplist col[16], row[16];
707 int div = interlace ? 2 : 1;
709 memset(col,0,sizeof(col)); cols = 0;
710 memset(row,0,sizeof(row)); rows = 0;
711 for (i = 0; i < nclips && i < 8; i++) {
712 col[cols].position = clip_range(clips[i].c.left);
713 col[cols].enable = (1 << i);
715 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
716 col[cols].disable = (1 << i);
718 row[rows].position = clip_range(clips[i].c.top / div);
719 row[rows].enable = (1 << i);
721 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
723 row[rows].disable = (1 << i);
726 sort_cliplist(col,cols);
727 sort_cliplist(row,rows);
728 set_cliplist(dev,0x380,col,cols,"cols");
729 set_cliplist(dev,0x384,row,rows,"rows");
733 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
735 enum v4l2_field field;
738 if (NULL == dev->ovbuf.base)
740 if (NULL == dev->ovfmt)
742 if (win->w.width < 48 || win->w.height < 32)
744 if (win->clipcount > 2048)
748 maxw = dev->crop_current.width;
749 maxh = dev->crop_current.height;
751 if (V4L2_FIELD_ANY == field) {
752 field = (win->w.height > maxh/2)
753 ? V4L2_FIELD_INTERLACED
758 case V4L2_FIELD_BOTTOM:
761 case V4L2_FIELD_INTERLACED:
768 if (win->w.width > maxw)
770 if (win->w.height > maxh)
771 win->w.height = maxh;
775 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
777 unsigned long base,control,bpl;
780 err = verify_preview(dev,&fh->win);
784 dev->ovfield = fh->win.field;
785 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
786 fh->win.w.width,fh->win.w.height,
787 fh->win.w.left,fh->win.w.top,
788 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
790 /* setup window + clipping */
791 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
792 V4L2_FIELD_HAS_BOTH(dev->ovfield));
793 setup_clipping(dev,fh->clips,fh->nclips,
794 V4L2_FIELD_HAS_BOTH(dev->ovfield));
796 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
798 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
799 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
801 /* dma: setup channel 1 (= Video Task B) */
802 base = (unsigned long)dev->ovbuf.base;
803 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
804 base += dev->ovfmt->depth/8 * fh->win.w.left;
805 bpl = dev->ovbuf.fmt.bytesperline;
806 control = SAA7134_RS_CONTROL_BURST_16;
807 if (dev->ovfmt->bswap)
808 control |= SAA7134_RS_CONTROL_BSWAP;
809 if (dev->ovfmt->wswap)
810 control |= SAA7134_RS_CONTROL_WSWAP;
811 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
812 saa_writel(SAA7134_RS_BA1(1),base);
813 saa_writel(SAA7134_RS_BA2(1),base+bpl);
814 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
815 saa_writel(SAA7134_RS_CONTROL(1),control);
817 saa_writel(SAA7134_RS_BA1(1),base);
818 saa_writel(SAA7134_RS_BA2(1),base);
819 saa_writel(SAA7134_RS_PITCH(1),bpl);
820 saa_writel(SAA7134_RS_CONTROL(1),control);
825 saa7134_set_dmabits(dev);
830 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
833 saa7134_set_dmabits(dev);
837 /* ------------------------------------------------------------------ */
839 static int buffer_activate(struct saa7134_dev *dev,
840 struct saa7134_buf *buf,
841 struct saa7134_buf *next)
843 unsigned long base,control,bpl;
844 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
846 dprintk("buffer_activate buf=%p\n",buf);
847 buf->vb.state = STATE_ACTIVE;
850 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
851 V4L2_FIELD_HAS_BOTH(buf->vb.field));
853 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
855 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
856 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
858 /* DMA: setup channel 0 (= Video Task A0) */
859 base = saa7134_buffer_base(buf);
860 if (buf->fmt->planar)
863 bpl = (buf->vb.width * buf->fmt->depth) / 8;
864 control = SAA7134_RS_CONTROL_BURST_16 |
865 SAA7134_RS_CONTROL_ME |
866 (buf->pt->dma >> 12);
868 control |= SAA7134_RS_CONTROL_BSWAP;
870 control |= SAA7134_RS_CONTROL_WSWAP;
871 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
873 saa_writel(SAA7134_RS_BA1(0),base);
874 saa_writel(SAA7134_RS_BA2(0),base+bpl);
875 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
878 saa_writel(SAA7134_RS_BA1(0),base);
879 saa_writel(SAA7134_RS_BA2(0),base);
880 saa_writel(SAA7134_RS_PITCH(0),bpl);
882 saa_writel(SAA7134_RS_CONTROL(0),control);
884 if (buf->fmt->planar) {
885 /* DMA: setup channel 4+5 (= planar task A) */
886 bpl_uv = bpl >> buf->fmt->hshift;
887 lines_uv = buf->vb.height >> buf->fmt->vshift;
888 base2 = base + bpl * buf->vb.height;
889 base3 = base2 + bpl_uv * lines_uv;
890 if (buf->fmt->uvswap)
891 tmp = base2, base2 = base3, base3 = tmp;
892 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
893 bpl_uv,lines_uv,base2,base3);
894 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
896 saa_writel(SAA7134_RS_BA1(4),base2);
897 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
898 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
899 saa_writel(SAA7134_RS_BA1(5),base3);
900 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
901 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
904 saa_writel(SAA7134_RS_BA1(4),base2);
905 saa_writel(SAA7134_RS_BA2(4),base2);
906 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
907 saa_writel(SAA7134_RS_BA1(5),base3);
908 saa_writel(SAA7134_RS_BA2(5),base3);
909 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
911 saa_writel(SAA7134_RS_CONTROL(4),control);
912 saa_writel(SAA7134_RS_CONTROL(5),control);
916 saa7134_set_dmabits(dev);
917 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
921 static int buffer_prepare(struct videobuf_queue *q,
922 struct videobuf_buffer *vb,
923 enum v4l2_field field)
925 struct saa7134_fh *fh = q->priv_data;
926 struct saa7134_dev *dev = fh->dev;
927 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
934 if (fh->width < 48 ||
936 fh->width/4 > dev->crop_current.width ||
937 fh->height/4 > dev->crop_current.height ||
938 fh->width > dev->crop_bounds.width ||
939 fh->height > dev->crop_bounds.height)
941 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
942 if (0 != buf->vb.baddr && buf->vb.bsize < size)
945 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
946 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
948 if (buf->vb.width != fh->width ||
949 buf->vb.height != fh->height ||
950 buf->vb.size != size ||
951 buf->vb.field != field ||
952 buf->fmt != fh->fmt) {
953 saa7134_dma_free(dev,buf);
956 if (STATE_NEEDS_INIT == buf->vb.state) {
957 buf->vb.width = fh->width;
958 buf->vb.height = fh->height;
960 buf->vb.field = field;
962 buf->pt = &fh->pt_cap;
964 err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf);
967 err = saa7134_pgtable_build(dev->pci,buf->pt,
970 saa7134_buffer_startpage(buf));
974 buf->vb.state = STATE_PREPARED;
975 buf->activate = buffer_activate;
979 saa7134_dma_free(dev,buf);
984 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
986 struct saa7134_fh *fh = q->priv_data;
988 *size = fh->fmt->depth * fh->width * fh->height >> 3;
991 *count = saa7134_buffer_count(*size,*count);
995 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
997 struct saa7134_fh *fh = q->priv_data;
998 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1000 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1003 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1005 struct saa7134_fh *fh = q->priv_data;
1006 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1008 saa7134_dma_free(fh->dev,buf);
1011 static struct videobuf_queue_ops video_qops = {
1012 .buf_setup = buffer_setup,
1013 .buf_prepare = buffer_prepare,
1014 .buf_queue = buffer_queue,
1015 .buf_release = buffer_release,
1018 /* ------------------------------------------------------------------ */
1020 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1022 const struct v4l2_queryctrl* ctrl;
1024 ctrl = ctrl_by_id(c->id);
1028 case V4L2_CID_BRIGHTNESS:
1029 c->value = dev->ctl_bright;
1032 c->value = dev->ctl_hue;
1034 case V4L2_CID_CONTRAST:
1035 c->value = dev->ctl_contrast;
1037 case V4L2_CID_SATURATION:
1038 c->value = dev->ctl_saturation;
1040 case V4L2_CID_AUDIO_MUTE:
1041 c->value = dev->ctl_mute;
1043 case V4L2_CID_AUDIO_VOLUME:
1044 c->value = dev->ctl_volume;
1046 case V4L2_CID_PRIVATE_INVERT:
1047 c->value = dev->ctl_invert;
1049 case V4L2_CID_VFLIP:
1050 c->value = dev->ctl_mirror;
1052 case V4L2_CID_PRIVATE_Y_EVEN:
1053 c->value = dev->ctl_y_even;
1055 case V4L2_CID_PRIVATE_Y_ODD:
1056 c->value = dev->ctl_y_odd;
1058 case V4L2_CID_PRIVATE_AUTOMUTE:
1059 c->value = dev->ctl_automute;
1067 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1068 struct v4l2_control *c)
1070 const struct v4l2_queryctrl* ctrl;
1071 unsigned long flags;
1072 int restart_overlay = 0;
1074 ctrl = ctrl_by_id(c->id);
1077 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1078 switch (ctrl->type) {
1079 case V4L2_CTRL_TYPE_BOOLEAN:
1080 case V4L2_CTRL_TYPE_MENU:
1081 case V4L2_CTRL_TYPE_INTEGER:
1082 if (c->value < ctrl->minimum)
1083 c->value = ctrl->minimum;
1084 if (c->value > ctrl->maximum)
1085 c->value = ctrl->maximum;
1091 case V4L2_CID_BRIGHTNESS:
1092 dev->ctl_bright = c->value;
1093 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1096 dev->ctl_hue = c->value;
1097 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1099 case V4L2_CID_CONTRAST:
1100 dev->ctl_contrast = c->value;
1101 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1102 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1104 case V4L2_CID_SATURATION:
1105 dev->ctl_saturation = c->value;
1106 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1107 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1109 case V4L2_CID_AUDIO_MUTE:
1110 dev->ctl_mute = c->value;
1111 saa7134_tvaudio_setmute(dev);
1113 case V4L2_CID_AUDIO_VOLUME:
1114 dev->ctl_volume = c->value;
1115 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1117 case V4L2_CID_PRIVATE_INVERT:
1118 dev->ctl_invert = c->value;
1119 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1120 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1121 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1122 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1124 case V4L2_CID_VFLIP:
1125 dev->ctl_mirror = c->value;
1126 restart_overlay = 1;
1128 case V4L2_CID_PRIVATE_Y_EVEN:
1129 dev->ctl_y_even = c->value;
1130 restart_overlay = 1;
1132 case V4L2_CID_PRIVATE_Y_ODD:
1133 dev->ctl_y_odd = c->value;
1134 restart_overlay = 1;
1136 case V4L2_CID_PRIVATE_AUTOMUTE:
1137 dev->ctl_automute = c->value;
1138 if (dev->tda9887_conf) {
1139 if (dev->ctl_automute)
1140 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1142 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1143 saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1144 &dev->tda9887_conf);
1150 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1151 spin_lock_irqsave(&dev->slock,flags);
1152 stop_preview(dev,fh);
1153 start_preview(dev,fh);
1154 spin_unlock_irqrestore(&dev->slock,flags);
1159 /* ------------------------------------------------------------------ */
1161 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1163 struct videobuf_queue* q = NULL;
1166 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1169 case V4L2_BUF_TYPE_VBI_CAPTURE:
1178 static int saa7134_resource(struct saa7134_fh *fh)
1183 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1184 res = RESOURCE_VIDEO;
1186 case V4L2_BUF_TYPE_VBI_CAPTURE:
1195 static int video_open(struct inode *inode, struct file *file)
1197 int minor = iminor(inode);
1198 struct saa7134_dev *h,*dev = NULL;
1199 struct saa7134_fh *fh;
1200 struct list_head *list;
1201 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1204 list_for_each(list,&saa7134_devlist) {
1205 h = list_entry(list, struct saa7134_dev, devlist);
1206 if (h->video_dev && (h->video_dev->minor == minor))
1208 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1212 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1213 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1220 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1221 v4l2_type_names[type]);
1223 /* allocate + initialize per filehandle data */
1224 fh = kmalloc(sizeof(*fh),GFP_KERNEL);
1227 memset(fh,0,sizeof(*fh));
1228 file->private_data = fh;
1232 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1235 v4l2_prio_open(&dev->prio,&fh->prio);
1237 videobuf_queue_init(&fh->cap, &video_qops,
1238 dev->pci, &dev->slock,
1239 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1240 V4L2_FIELD_INTERLACED,
1241 sizeof(struct saa7134_buf),
1243 videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1244 dev->pci, &dev->slock,
1245 V4L2_BUF_TYPE_VBI_CAPTURE,
1247 sizeof(struct saa7134_buf),
1249 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1250 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1253 /* switch to radio mode */
1254 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1255 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO,NULL);
1257 /* switch to video/vbi mode */
1258 video_mux(dev,dev->ctl_input);
1264 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1266 struct saa7134_fh *fh = file->private_data;
1269 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1270 if (res_locked(fh->dev,RESOURCE_VIDEO))
1272 return videobuf_read_one(saa7134_queue(fh),
1274 file->f_flags & O_NONBLOCK);
1275 case V4L2_BUF_TYPE_VBI_CAPTURE:
1276 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1278 return videobuf_read_stream(saa7134_queue(fh),
1279 data, count, ppos, 1,
1280 file->f_flags & O_NONBLOCK);
1289 video_poll(struct file *file, struct poll_table_struct *wait)
1291 struct saa7134_fh *fh = file->private_data;
1292 struct videobuf_buffer *buf = NULL;
1294 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1295 return videobuf_poll_stream(file, &fh->vbi, wait);
1297 if (res_check(fh,RESOURCE_VIDEO)) {
1298 if (!list_empty(&fh->cap.stream))
1299 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1301 down(&fh->cap.lock);
1302 if (UNSET == fh->cap.read_off) {
1303 /* need to capture a new frame */
1304 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1308 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1312 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1313 fh->cap.read_off = 0;
1316 buf = fh->cap.read_buf;
1322 poll_wait(file, &buf->done, wait);
1323 if (buf->state == STATE_DONE ||
1324 buf->state == STATE_ERROR)
1325 return POLLIN|POLLRDNORM;
1329 static int video_release(struct inode *inode, struct file *file)
1331 struct saa7134_fh *fh = file->private_data;
1332 struct saa7134_dev *dev = fh->dev;
1333 unsigned long flags;
1335 /* turn off overlay */
1336 if (res_check(fh, RESOURCE_OVERLAY)) {
1337 spin_lock_irqsave(&dev->slock,flags);
1338 stop_preview(dev,fh);
1339 spin_unlock_irqrestore(&dev->slock,flags);
1340 res_free(dev,fh,RESOURCE_OVERLAY);
1343 /* stop video capture */
1344 if (res_check(fh, RESOURCE_VIDEO)) {
1345 videobuf_streamoff(&fh->cap);
1346 res_free(dev,fh,RESOURCE_VIDEO);
1348 if (fh->cap.read_buf) {
1349 buffer_release(&fh->cap,fh->cap.read_buf);
1350 kfree(fh->cap.read_buf);
1353 /* stop vbi capture */
1354 if (res_check(fh, RESOURCE_VBI)) {
1355 if (fh->vbi.streaming)
1356 videobuf_streamoff(&fh->vbi);
1357 if (fh->vbi.reading)
1358 videobuf_read_stop(&fh->vbi);
1359 res_free(dev,fh,RESOURCE_VBI);
1362 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1363 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1365 v4l2_prio_close(&dev->prio,&fh->prio);
1366 file->private_data = NULL;
1372 video_mmap(struct file *file, struct vm_area_struct * vma)
1374 struct saa7134_fh *fh = file->private_data;
1376 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1379 /* ------------------------------------------------------------------ */
1381 void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1383 struct saa7134_tvnorm *norm = dev->tvnorm;
1385 f->fmt.vbi.sampling_rate = 6750000 * 4;
1386 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1387 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1388 f->fmt.vbi.offset = 64 * 4;
1389 f->fmt.vbi.start[0] = norm->vbi_v_start;
1390 f->fmt.vbi.count[0] = norm->vbi_v_stop - norm->vbi_v_start +1;
1391 f->fmt.vbi.start[1] = norm->video_v_stop + norm->vbi_v_start +1;
1392 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1393 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1396 if (V4L2_STD_PAL == norm->id) {
1398 f->fmt.vbi.start[0] += 3;
1399 f->fmt.vbi.start[1] += 3*2;
1404 int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1405 struct v4l2_format *f)
1408 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1409 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1410 f->fmt.pix.width = fh->width;
1411 f->fmt.pix.height = fh->height;
1412 f->fmt.pix.field = fh->cap.field;
1413 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1414 f->fmt.pix.bytesperline =
1415 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1416 f->fmt.pix.sizeimage =
1417 f->fmt.pix.height * f->fmt.pix.bytesperline;
1419 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1420 f->fmt.win = fh->win;
1422 case V4L2_BUF_TYPE_VBI_CAPTURE:
1423 saa7134_vbi_fmt(dev,f);
1430 int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1431 struct v4l2_format *f)
1436 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1438 struct saa7134_format *fmt;
1439 enum v4l2_field field;
1440 unsigned int maxw, maxh;
1442 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1446 field = f->fmt.pix.field;
1447 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1448 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1450 if (V4L2_FIELD_ANY == field) {
1451 field = (f->fmt.pix.height > maxh/2)
1452 ? V4L2_FIELD_INTERLACED
1453 : V4L2_FIELD_BOTTOM;
1456 case V4L2_FIELD_TOP:
1457 case V4L2_FIELD_BOTTOM:
1460 case V4L2_FIELD_INTERLACED:
1466 f->fmt.pix.field = field;
1467 if (f->fmt.pix.width < 48)
1468 f->fmt.pix.width = 48;
1469 if (f->fmt.pix.height < 32)
1470 f->fmt.pix.height = 32;
1471 if (f->fmt.pix.width > maxw)
1472 f->fmt.pix.width = maxw;
1473 if (f->fmt.pix.height > maxh)
1474 f->fmt.pix.height = maxh;
1475 f->fmt.pix.bytesperline =
1476 (f->fmt.pix.width * fmt->depth) >> 3;
1477 f->fmt.pix.sizeimage =
1478 f->fmt.pix.height * f->fmt.pix.bytesperline;
1482 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1483 err = verify_preview(dev,&f->fmt.win);
1487 case V4L2_BUF_TYPE_VBI_CAPTURE:
1488 saa7134_vbi_fmt(dev,f);
1495 int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1496 struct v4l2_format *f)
1498 unsigned long flags;
1502 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1503 err = saa7134_try_fmt(dev,fh,f);
1507 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1508 fh->width = f->fmt.pix.width;
1509 fh->height = f->fmt.pix.height;
1510 fh->cap.field = f->fmt.pix.field;
1512 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1513 err = verify_preview(dev,&f->fmt.win);
1518 fh->win = f->fmt.win;
1519 fh->nclips = f->fmt.win.clipcount;
1522 if (copy_from_user(fh->clips,f->fmt.win.clips,
1523 sizeof(struct v4l2_clip)*fh->nclips)) {
1528 if (res_check(fh, RESOURCE_OVERLAY)) {
1529 spin_lock_irqsave(&dev->slock,flags);
1530 stop_preview(dev,fh);
1531 start_preview(dev,fh);
1532 spin_unlock_irqrestore(&dev->slock,flags);
1536 case V4L2_BUF_TYPE_VBI_CAPTURE:
1537 saa7134_vbi_fmt(dev,f);
1544 int saa7134_common_ioctl(struct saa7134_dev *dev,
1545 unsigned int cmd, void *arg)
1550 case VIDIOC_QUERYCTRL:
1552 const struct v4l2_queryctrl *ctrl;
1553 struct v4l2_queryctrl *c = arg;
1555 if ((c->id < V4L2_CID_BASE ||
1556 c->id >= V4L2_CID_LASTP1) &&
1557 (c->id < V4L2_CID_PRIVATE_BASE ||
1558 c->id >= V4L2_CID_PRIVATE_LASTP1))
1560 ctrl = ctrl_by_id(c->id);
1561 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1565 return get_control(dev,arg);
1569 err = set_control(dev,NULL,arg);
1573 /* --- input switching --------------------------------------- */
1574 case VIDIOC_ENUMINPUT:
1576 struct v4l2_input *i = arg;
1580 if (n >= SAA7134_INPUT_MAX)
1582 if (NULL == card_in(dev,i->index).name)
1584 memset(i,0,sizeof(*i));
1586 i->type = V4L2_INPUT_TYPE_CAMERA;
1587 strcpy(i->name,card_in(dev,n).name);
1588 if (card_in(dev,n).tv)
1589 i->type = V4L2_INPUT_TYPE_TUNER;
1591 if (n == dev->ctl_input) {
1592 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1593 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1595 if (0 != (v1 & 0x40))
1596 i->status |= V4L2_IN_ST_NO_H_LOCK;
1597 if (0 != (v2 & 0x40))
1598 i->status |= V4L2_IN_ST_NO_SYNC;
1599 if (0 != (v2 & 0x0e))
1600 i->status |= V4L2_IN_ST_MACROVISION;
1602 for (n = 0; n < TVNORMS; n++)
1603 i->std |= tvnorms[n].id;
1606 case VIDIOC_G_INPUT:
1609 *i = dev->ctl_input;
1612 case VIDIOC_S_INPUT:
1616 if (*i < 0 || *i >= SAA7134_INPUT_MAX)
1618 if (NULL == card_in(dev,*i).name)
1629 EXPORT_SYMBOL(saa7134_common_ioctl);
1632 * This function is _not_ called directly, but from
1633 * video_generic_ioctl (and maybe others). userspace
1634 * copying is done already, arg is a kernel pointer.
1636 static int video_do_ioctl(struct inode *inode, struct file *file,
1637 unsigned int cmd, void *arg)
1639 struct saa7134_fh *fh = file->private_data;
1640 struct saa7134_dev *dev = fh->dev;
1641 unsigned long flags;
1644 if (video_debug > 1)
1645 saa7134_print_ioctl(dev->name,cmd);
1650 case VIDIOC_S_INPUT:
1651 case VIDIOC_S_TUNER:
1652 case VIDIOC_S_FREQUENCY:
1653 err = v4l2_prio_check(&dev->prio,&fh->prio);
1659 case VIDIOC_QUERYCAP:
1661 struct v4l2_capability *cap = arg;
1663 memset(cap,0,sizeof(*cap));
1664 strcpy(cap->driver, "saa7134");
1665 strlcpy(cap->card, saa7134_boards[dev->board].name,
1667 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1668 cap->version = SAA7134_VERSION_CODE;
1670 V4L2_CAP_VIDEO_CAPTURE |
1671 V4L2_CAP_VIDEO_OVERLAY |
1672 V4L2_CAP_VBI_CAPTURE |
1674 V4L2_CAP_READWRITE |
1679 /* --- tv standards ------------------------------------------ */
1680 case VIDIOC_ENUMSTD:
1682 struct v4l2_standard *e = arg;
1688 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1689 tvnorms[e->index].name);
1697 v4l2_std_id *id = arg;
1699 *id = dev->tvnorm->id;
1704 v4l2_std_id *id = arg;
1707 for (i = 0; i < TVNORMS; i++)
1708 if (*id == tvnorms[i].id)
1711 for (i = 0; i < TVNORMS; i++)
1712 if (*id & tvnorms[i].id)
1718 if (res_check(fh, RESOURCE_OVERLAY)) {
1719 spin_lock_irqsave(&dev->slock,flags);
1720 stop_preview(dev,fh);
1721 set_tvnorm(dev,&tvnorms[i]);
1722 start_preview(dev,fh);
1723 spin_unlock_irqrestore(&dev->slock,flags);
1725 set_tvnorm(dev,&tvnorms[i]);
1726 saa7134_tvaudio_do_scan(dev);
1731 case VIDIOC_CROPCAP:
1733 struct v4l2_cropcap *cap = arg;
1735 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1736 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1738 cap->bounds = dev->crop_bounds;
1739 cap->defrect = dev->crop_defrect;
1740 cap->pixelaspect.numerator = 1;
1741 cap->pixelaspect.denominator = 1;
1742 if (dev->tvnorm->id & V4L2_STD_525_60) {
1743 cap->pixelaspect.numerator = 11;
1744 cap->pixelaspect.denominator = 10;
1746 if (dev->tvnorm->id & V4L2_STD_625_50) {
1747 cap->pixelaspect.numerator = 54;
1748 cap->pixelaspect.denominator = 59;
1755 struct v4l2_crop * crop = arg;
1757 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1758 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1760 crop->c = dev->crop_current;
1765 struct v4l2_crop *crop = arg;
1766 struct v4l2_rect *b = &dev->crop_bounds;
1768 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1769 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1771 if (crop->c.height < 0)
1773 if (crop->c.width < 0)
1776 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1778 if (res_locked(fh->dev,RESOURCE_VIDEO))
1781 if (crop->c.top < b->top)
1782 crop->c.top = b->top;
1783 if (crop->c.top > b->top + b->height)
1784 crop->c.top = b->top + b->height;
1785 if (crop->c.height > b->top - crop->c.top + b->height)
1786 crop->c.height = b->top - crop->c.top + b->height;
1788 if (crop->c.left < b->left)
1789 crop->c.top = b->left;
1790 if (crop->c.left > b->left + b->width)
1791 crop->c.top = b->left + b->width;
1792 if (crop->c.width > b->left - crop->c.left + b->width)
1793 crop->c.width = b->left - crop->c.left + b->width;
1795 dev->crop_current = crop->c;
1799 /* --- tuner ioctls ------------------------------------------ */
1800 case VIDIOC_G_TUNER:
1802 struct v4l2_tuner *t = arg;
1807 memset(t,0,sizeof(*t));
1808 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1809 if (card_in(dev,n).tv)
1811 if (NULL != card_in(dev,n).name) {
1812 strcpy(t->name, "Television");
1813 t->capability = V4L2_TUNER_CAP_NORM |
1814 V4L2_TUNER_CAP_STEREO |
1815 V4L2_TUNER_CAP_LANG1 |
1816 V4L2_TUNER_CAP_LANG2;
1817 t->rangehigh = 0xffffffffUL;
1818 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1819 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1821 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1825 case VIDIOC_S_TUNER:
1827 struct v4l2_tuner *t = arg;
1830 mode = dev->thread.mode;
1831 if (UNSET == mode) {
1832 rx = saa7134_tvaudio_getstereo(dev);
1833 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1835 if (mode != t->audmode) {
1836 dev->thread.mode = t->audmode;
1840 case VIDIOC_G_FREQUENCY:
1842 struct v4l2_frequency *f = arg;
1844 memset(f,0,sizeof(*f));
1845 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1846 f->frequency = dev->ctl_freq;
1849 case VIDIOC_S_FREQUENCY:
1851 struct v4l2_frequency *f = arg;
1855 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1857 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1860 dev->ctl_freq = f->frequency;
1861 #ifdef V4L2_I2C_CLIENTS
1862 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1864 saa7134_i2c_call_clients(dev,VIDIOCSFREQ,&dev->ctl_freq);
1866 saa7134_tvaudio_do_scan(dev);
1871 /* --- control ioctls ---------------------------------------- */
1872 case VIDIOC_ENUMINPUT:
1873 case VIDIOC_G_INPUT:
1874 case VIDIOC_S_INPUT:
1875 case VIDIOC_QUERYCTRL:
1878 return saa7134_common_ioctl(dev, cmd, arg);
1880 case VIDIOC_G_AUDIO:
1882 struct v4l2_audio *a = arg;
1884 memset(a,0,sizeof(*a));
1885 strcpy(a->name,"audio");
1888 case VIDIOC_S_AUDIO:
1892 struct v4l2_captureparm *parm = arg;
1893 memset(parm,0,sizeof(*parm));
1897 case VIDIOC_G_PRIORITY:
1899 enum v4l2_priority *p = arg;
1901 *p = v4l2_prio_max(&dev->prio);
1904 case VIDIOC_S_PRIORITY:
1906 enum v4l2_priority *prio = arg;
1908 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
1911 /* --- preview ioctls ---------------------------------------- */
1912 case VIDIOC_ENUM_FMT:
1914 struct v4l2_fmtdesc *f = arg;
1915 enum v4l2_buf_type type;
1921 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1922 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1923 if (index >= FORMATS)
1925 if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
1926 formats[index].planar)
1928 memset(f,0,sizeof(*f));
1931 strlcpy(f->description,formats[index].name,sizeof(f->description));
1932 f->pixelformat = formats[index].fourcc;
1934 case V4L2_BUF_TYPE_VBI_CAPTURE:
1937 memset(f,0,sizeof(*f));
1940 f->pixelformat = V4L2_PIX_FMT_GREY;
1941 strcpy(f->description,"vbi data");
1950 struct v4l2_framebuffer *fb = arg;
1953 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1958 struct v4l2_framebuffer *fb = arg;
1959 struct saa7134_format *fmt;
1961 if(!capable(CAP_SYS_ADMIN) &&
1962 !capable(CAP_SYS_RAWIO))
1966 fmt = format_by_fourcc(fb->fmt.pixelformat);
1973 if (0 == dev->ovbuf.fmt.bytesperline)
1974 dev->ovbuf.fmt.bytesperline =
1975 dev->ovbuf.fmt.width*fmt->depth/8;
1978 case VIDIOC_OVERLAY:
1983 if (!res_get(dev,fh,RESOURCE_OVERLAY))
1985 spin_lock_irqsave(&dev->slock,flags);
1986 start_preview(dev,fh);
1987 spin_unlock_irqrestore(&dev->slock,flags);
1990 if (!res_check(fh, RESOURCE_OVERLAY))
1992 spin_lock_irqsave(&dev->slock,flags);
1993 stop_preview(dev,fh);
1994 spin_unlock_irqrestore(&dev->slock,flags);
1995 res_free(dev,fh,RESOURCE_OVERLAY);
2000 /* --- capture ioctls ---------------------------------------- */
2003 struct v4l2_format *f = arg;
2004 return saa7134_g_fmt(dev,fh,f);
2008 struct v4l2_format *f = arg;
2009 return saa7134_s_fmt(dev,fh,f);
2011 case VIDIOC_TRY_FMT:
2013 struct v4l2_format *f = arg;
2014 return saa7134_try_fmt(dev,fh,f);
2019 struct video_mbuf *mbuf = arg;
2020 struct videobuf_queue *q;
2021 struct v4l2_requestbuffers req;
2024 q = saa7134_queue(fh);
2025 memset(&req,0,sizeof(req));
2027 req.count = gbuffers;
2028 req.memory = V4L2_MEMORY_MMAP;
2029 err = videobuf_reqbufs(q,&req);
2032 memset(mbuf,0,sizeof(*mbuf));
2033 mbuf->frames = req.count;
2035 for (i = 0; i < mbuf->frames; i++) {
2036 mbuf->offsets[i] = q->bufs[i]->boff;
2037 mbuf->size += q->bufs[i]->bsize;
2041 case VIDIOC_REQBUFS:
2042 return videobuf_reqbufs(saa7134_queue(fh),arg);
2044 case VIDIOC_QUERYBUF:
2045 return videobuf_querybuf(saa7134_queue(fh),arg);
2048 return videobuf_qbuf(saa7134_queue(fh),arg);
2051 return videobuf_dqbuf(saa7134_queue(fh),arg,
2052 file->f_flags & O_NONBLOCK);
2054 case VIDIOC_STREAMON:
2056 int res = saa7134_resource(fh);
2058 if (!res_get(dev,fh,res))
2060 return videobuf_streamon(saa7134_queue(fh));
2062 case VIDIOC_STREAMOFF:
2064 int res = saa7134_resource(fh);
2066 err = videobuf_streamoff(saa7134_queue(fh));
2069 res_free(dev,fh,res);
2074 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2080 static int video_ioctl(struct inode *inode, struct file *file,
2081 unsigned int cmd, unsigned long arg)
2083 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2086 static int radio_do_ioctl(struct inode *inode, struct file *file,
2087 unsigned int cmd, void *arg)
2089 struct saa7134_fh *fh = file->private_data;
2090 struct saa7134_dev *dev = fh->dev;
2092 if (video_debug > 1)
2093 saa7134_print_ioctl(dev->name,cmd);
2095 case VIDIOC_QUERYCAP:
2097 struct v4l2_capability *cap = arg;
2099 memset(cap,0,sizeof(*cap));
2100 strcpy(cap->driver, "saa7134");
2101 strlcpy(cap->card, saa7134_boards[dev->board].name,
2103 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2104 cap->version = SAA7134_VERSION_CODE;
2105 cap->capabilities = V4L2_CAP_TUNER;
2108 case VIDIOC_G_TUNER:
2110 struct v4l2_tuner *t = arg;
2115 memset(t,0,sizeof(*t));
2116 strcpy(t->name, "Radio");
2117 t->rangelow = (int)(65*16);
2118 t->rangehigh = (int)(108*16);
2120 #ifdef V4L2_I2C_CLIENTS
2121 saa7134_i2c_call_clients(dev,VIDIOC_G_TUNER,t);
2124 struct video_tuner vt;
2125 memset(&vt,0,sizeof(vt));
2126 saa7134_i2c_call_clients(dev,VIDIOCGTUNER,&vt);
2127 t->signal = vt.signal;
2132 case VIDIOC_ENUMINPUT:
2134 struct v4l2_input *i = arg;
2138 strcpy(i->name,"Radio");
2139 i->type = V4L2_INPUT_TYPE_TUNER;
2142 case VIDIOC_G_INPUT:
2148 case VIDIOC_G_AUDIO:
2150 struct v4l2_audio *a = arg;
2152 memset(a,0,sizeof(*a));
2153 strcpy(a->name,"Radio");
2158 v4l2_std_id *id = arg;
2162 case VIDIOC_S_AUDIO:
2163 case VIDIOC_S_TUNER:
2164 case VIDIOC_S_INPUT:
2168 case VIDIOC_QUERYCTRL:
2170 const struct v4l2_queryctrl *ctrl;
2171 struct v4l2_queryctrl *c = arg;
2173 if (c->id < V4L2_CID_BASE ||
2174 c->id >= V4L2_CID_LASTP1)
2176 if (c->id == V4L2_CID_AUDIO_MUTE) {
2177 ctrl = ctrl_by_id(c->id);
2186 case VIDIOC_G_FREQUENCY:
2187 case VIDIOC_S_FREQUENCY:
2188 return video_do_ioctl(inode,file,cmd,arg);
2191 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2197 static int radio_ioctl(struct inode *inode, struct file *file,
2198 unsigned int cmd, unsigned long arg)
2200 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2203 static struct file_operations video_fops =
2205 .owner = THIS_MODULE,
2207 .release = video_release,
2211 .ioctl = video_ioctl,
2212 .llseek = no_llseek,
2215 static struct file_operations radio_fops =
2217 .owner = THIS_MODULE,
2219 .release = video_release,
2220 .ioctl = radio_ioctl,
2221 .llseek = no_llseek,
2224 /* ----------------------------------------------------------- */
2225 /* exported stuff */
2227 struct video_device saa7134_video_template =
2229 .name = "saa7134-video",
2230 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
2231 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2233 .fops = &video_fops,
2237 struct video_device saa7134_vbi_template =
2239 .name = "saa7134-vbi",
2240 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2242 .fops = &video_fops,
2246 struct video_device saa7134_radio_template =
2248 .name = "saa7134-radio",
2249 .type = VID_TYPE_TUNER,
2251 .fops = &radio_fops,
2255 int saa7134_video_init1(struct saa7134_dev *dev)
2257 /* sanitycheck insmod options */
2258 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2260 if (gbufsize < 0 || gbufsize > gbufsize_max)
2261 gbufsize = gbufsize_max;
2262 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2264 /* put some sensible defaults into the data structures ... */
2265 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2266 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2267 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2268 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2269 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2270 dev->ctl_mute = ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2271 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2272 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2274 if (dev->tda9887_conf && dev->ctl_automute)
2275 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2278 INIT_LIST_HEAD(&dev->video_q.queue);
2279 init_timer(&dev->video_q.timeout);
2280 dev->video_q.timeout.function = saa7134_buffer_timeout;
2281 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2282 dev->video_q.dev = dev;
2284 if (saa7134_boards[dev->board].video_out) {
2285 /* enable video output */
2286 int vo = saa7134_boards[dev->board].video_out;
2287 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2288 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_out[vo][1]);
2289 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2290 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2291 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2292 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_out[vo][5]);
2293 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_out[vo][6]);
2294 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2295 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2301 int saa7134_video_init2(struct saa7134_dev *dev)
2304 set_tvnorm(dev,&tvnorms[0]);
2306 saa7134_tvaudio_setmute(dev);
2307 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2311 int saa7134_video_fini(struct saa7134_dev *dev)
2317 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2319 static const char *st[] = {
2320 "no signal", "found NTSC", "found PAL", "found SECAM" };
2323 norm = saa_readb(SAA7134_STATUS_VIDEO1) & 0x03;
2324 dprintk("DCSDT: %s\n",st[norm]);
2327 /* wake up tvaudio audio carrier scan thread */
2328 saa7134_tvaudio_do_scan(dev);
2330 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2332 /* no video signal -> mute audio */
2333 if (dev->ctl_automute)
2335 saa7134_tvaudio_setmute(dev);
2336 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2340 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2342 enum v4l2_field field;
2344 spin_lock(&dev->slock);
2345 if (dev->video_q.curr) {
2346 dev->video_fieldcount++;
2347 field = dev->video_q.curr->vb.field;
2348 if (V4L2_FIELD_HAS_BOTH(field)) {
2349 /* make sure we have seen both fields */
2350 if ((status & 0x10) == 0x00) {
2351 dev->video_q.curr->top_seen = 1;
2354 if (!dev->video_q.curr->top_seen)
2356 } else if (field == V4L2_FIELD_TOP) {
2357 if ((status & 0x10) != 0x10)
2359 } else if (field == V4L2_FIELD_BOTTOM) {
2360 if ((status & 0x10) != 0x00)
2363 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2364 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2366 saa7134_buffer_next(dev,&dev->video_q);
2369 spin_unlock(&dev->slock);
2372 /* ----------------------------------------------------------- */