2 * $Id: saa7134-video.c,v 1.28 2005/02/15 15:59:35 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/moduleparam.h>
28 #include <linux/kernel.h>
29 #include <linux/slab.h>
31 #include "saa7134-reg.h"
34 #define V4L2_I2C_CLIENTS 1
36 /* ------------------------------------------------------------------ */
38 static unsigned int video_debug = 0;
39 static unsigned int gbuffers = 8;
40 static unsigned int noninterlaced = 0;
41 static unsigned int gbufsize = 720*576*4;
42 static unsigned int gbufsize_max = 720*576*4;
43 module_param(video_debug, int, 0644);
44 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
45 module_param(gbuffers, int, 0444);
46 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
47 module_param(noninterlaced, int, 0644);
48 MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced");
50 #define dprintk(fmt, arg...) if (video_debug) \
51 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
53 /* ------------------------------------------------------------------ */
54 /* data structs for video */
56 static int video_out[][9] = {
57 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
60 static struct saa7134_format formats[] = {
63 .fourcc = V4L2_PIX_FMT_GREY,
67 .name = "15 bpp RGB, le",
68 .fourcc = V4L2_PIX_FMT_RGB555,
72 .name = "15 bpp RGB, be",
73 .fourcc = V4L2_PIX_FMT_RGB555X,
78 .name = "16 bpp RGB, le",
79 .fourcc = V4L2_PIX_FMT_RGB565,
83 .name = "16 bpp RGB, be",
84 .fourcc = V4L2_PIX_FMT_RGB565X,
89 .name = "24 bpp RGB, le",
90 .fourcc = V4L2_PIX_FMT_BGR24,
94 .name = "24 bpp RGB, be",
95 .fourcc = V4L2_PIX_FMT_RGB24,
100 .name = "32 bpp RGB, le",
101 .fourcc = V4L2_PIX_FMT_BGR32,
105 .name = "32 bpp RGB, be",
106 .fourcc = V4L2_PIX_FMT_RGB32,
112 .name = "4:2:2 packed, YUYV",
113 .fourcc = V4L2_PIX_FMT_YUYV,
119 .name = "4:2:2 packed, UYVY",
120 .fourcc = V4L2_PIX_FMT_UYVY,
125 .name = "4:2:2 planar, Y-Cb-Cr",
126 .fourcc = V4L2_PIX_FMT_YUV422P,
134 .name = "4:2:0 planar, Y-Cb-Cr",
135 .fourcc = V4L2_PIX_FMT_YUV420,
143 .name = "4:2:0 planar, Y-Cb-Cr",
144 .fourcc = V4L2_PIX_FMT_YVU420,
154 #define FORMATS ARRAY_SIZE(formats)
156 #define NORM_625_50 \
159 .video_v_start = 24, \
160 .video_v_stop = 311, \
161 .vbi_v_start_0 = 7, \
162 .vbi_v_stop_0 = 22, \
163 .vbi_v_start_1 = 319, \
166 #define NORM_525_60 \
169 .video_v_start = 23, \
170 .video_v_stop = 262, \
171 .vbi_v_start_0 = 10, \
172 .vbi_v_stop_0 = 21, \
173 .vbi_v_start_1 = 273, \
176 static struct saa7134_tvnorm tvnorms[] = {
178 .name = "PAL", /* autodetect */
182 .sync_control = 0x18,
183 .luma_control = 0x40,
184 .chroma_ctrl1 = 0x81,
186 .chroma_ctrl2 = 0x06,
191 .id = V4L2_STD_PAL_BG,
194 .sync_control = 0x18,
195 .luma_control = 0x40,
196 .chroma_ctrl1 = 0x81,
198 .chroma_ctrl2 = 0x06,
203 .id = V4L2_STD_PAL_I,
206 .sync_control = 0x18,
207 .luma_control = 0x40,
208 .chroma_ctrl1 = 0x81,
210 .chroma_ctrl2 = 0x06,
215 .id = V4L2_STD_PAL_DK,
218 .sync_control = 0x18,
219 .luma_control = 0x40,
220 .chroma_ctrl1 = 0x81,
222 .chroma_ctrl2 = 0x06,
230 .sync_control = 0x59,
231 .luma_control = 0x40,
232 .chroma_ctrl1 = 0x89,
234 .chroma_ctrl2 = 0x0e,
239 .id = V4L2_STD_SECAM,
242 .sync_control = 0x18, /* old: 0x58, */
243 .luma_control = 0x1b,
244 .chroma_ctrl1 = 0xd1,
246 .chroma_ctrl2 = 0x00,
251 .id = V4L2_STD_PAL_M,
254 .sync_control = 0x59,
255 .luma_control = 0x40,
256 .chroma_ctrl1 = 0xb9,
258 .chroma_ctrl2 = 0x0e,
263 .id = V4L2_STD_PAL_Nc,
266 .sync_control = 0x18,
267 .luma_control = 0x40,
268 .chroma_ctrl1 = 0xa1,
270 .chroma_ctrl2 = 0x06,
275 .id = V4L2_STD_PAL_60,
283 .vbi_v_start_1 = 273,
286 .sync_control = 0x18,
287 .luma_control = 0x40,
288 .chroma_ctrl1 = 0x81,
290 .chroma_ctrl2 = 0x06,
294 #define TVNORMS ARRAY_SIZE(tvnorms)
296 #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
297 #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
298 #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
299 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
300 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
302 static const struct v4l2_queryctrl no_ctrl = {
304 .flags = V4L2_CTRL_FLAG_DISABLED,
306 static const struct v4l2_queryctrl video_ctrls[] = {
309 .id = V4L2_CID_BRIGHTNESS,
310 .name = "Brightness",
314 .default_value = 128,
315 .type = V4L2_CTRL_TYPE_INTEGER,
317 .id = V4L2_CID_CONTRAST,
323 .type = V4L2_CTRL_TYPE_INTEGER,
325 .id = V4L2_CID_SATURATION,
326 .name = "Saturation",
331 .type = V4L2_CTRL_TYPE_INTEGER,
339 .type = V4L2_CTRL_TYPE_INTEGER,
341 .id = V4L2_CID_HFLIP,
345 .type = V4L2_CTRL_TYPE_BOOLEAN,
349 .id = V4L2_CID_AUDIO_MUTE,
353 .type = V4L2_CTRL_TYPE_BOOLEAN,
355 .id = V4L2_CID_AUDIO_VOLUME,
361 .type = V4L2_CTRL_TYPE_INTEGER,
363 /* --- private --- */
365 .id = V4L2_CID_PRIVATE_INVERT,
369 .type = V4L2_CTRL_TYPE_BOOLEAN,
371 .id = V4L2_CID_PRIVATE_Y_ODD,
372 .name = "y offset odd field",
376 .type = V4L2_CTRL_TYPE_INTEGER,
378 .id = V4L2_CID_PRIVATE_Y_EVEN,
379 .name = "y offset even field",
383 .type = V4L2_CTRL_TYPE_INTEGER,
385 .id = V4L2_CID_PRIVATE_AUTOMUTE,
390 .type = V4L2_CTRL_TYPE_BOOLEAN,
393 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
395 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
399 for (i = 0; i < CTRLS; i++)
400 if (video_ctrls[i].id == id)
401 return video_ctrls+i;
405 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
409 for (i = 0; i < FORMATS; i++)
410 if (formats[i].fourcc == fourcc)
415 /* ----------------------------------------------------------------------- */
416 /* resource management */
418 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
420 if (fh->resources & bit)
421 /* have it already allocated */
426 if (dev->resources & bit) {
427 /* no, someone else uses it */
431 /* it's free, grab it */
432 fh->resources |= bit;
433 dev->resources |= bit;
434 dprintk("res: get %d\n",bit);
440 int res_check(struct saa7134_fh *fh, unsigned int bit)
442 return (fh->resources & bit);
446 int res_locked(struct saa7134_dev *dev, unsigned int bit)
448 return (dev->resources & bit);
452 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
454 if ((fh->resources & bits) != bits)
458 fh->resources &= ~bits;
459 dev->resources &= ~bits;
460 dprintk("res: put %d\n",bits);
464 /* ------------------------------------------------------------------ */
466 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
468 int luma_control,sync_control,mux;
470 dprintk("set tv norm = %s\n",norm->name);
473 mux = card_in(dev,dev->ctl_input).vmux;
474 luma_control = norm->luma_control;
475 sync_control = norm->sync_control;
478 luma_control |= 0x80; /* svideo */
479 if (noninterlaced || dev->nosignal)
480 sync_control |= 0x20;
483 dev->crop_bounds.left = norm->h_start;
484 dev->crop_defrect.left = norm->h_start;
485 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
486 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
488 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
489 dev->crop_defrect.top = norm->video_v_start*2;
490 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
491 - dev->crop_bounds.top;
492 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
494 dev->crop_current = dev->crop_defrect;
496 /* setup video decoder */
497 saa_writeb(SAA7134_INCR_DELAY, 0x08);
498 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
499 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
501 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
502 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
503 saa_writeb(SAA7134_HSYNC_START, 0xeb);
504 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
505 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
507 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
508 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
509 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
510 saa_writeb(SAA7134_DEC_LUMA_CONTRAST, dev->ctl_contrast);
512 saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation);
513 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
514 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
515 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
517 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
518 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
520 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
521 saa_writeb(SAA7134_VGATE_START, 0x11);
522 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
523 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
524 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
525 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
527 #ifdef V4L2_I2C_CLIENTS
528 saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id);
531 /* pass down info to the i2c chips (v4l1) */
532 struct video_channel c;
533 memset(&c,0,sizeof(c));
534 c.channel = dev->ctl_input;
535 c.norm = VIDEO_MODE_PAL;
536 if (norm->id & V4L2_STD_NTSC)
537 c.norm = VIDEO_MODE_NTSC;
538 if (norm->id & V4L2_STD_SECAM)
539 c.norm = VIDEO_MODE_SECAM;
540 saa7134_i2c_call_clients(dev,VIDIOCSCHAN,&c);
545 static void video_mux(struct saa7134_dev *dev, int input)
547 dprintk("video input = %d [%s]\n",input,card_in(dev,input).name);
548 dev->ctl_input = input;
549 set_tvnorm(dev,dev->tvnorm);
550 saa7134_tvaudio_setinput(dev,&card_in(dev,input));
553 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
555 static const struct {
562 /* XPSC XACL XC2_1 XDCG VPFY */
574 static const int count = ARRAY_SIZE(vals);
577 for (i = 0; i < count; i++)
578 if (vals[i].xpsc == prescale)
583 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
584 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
585 saa_writeb(SAA7134_LEVEL_CTRL(task),
586 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
587 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
588 (vals[i].vpfy << 2) | vals[i].vpfy);
591 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
595 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
596 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
598 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
601 dprintk("yscale LPI yscale=%d\n",yscale);
602 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
603 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
604 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
607 val = 0x40 * 1024 / yscale;
608 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
609 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
610 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
611 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
613 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
616 static void set_size(struct saa7134_dev *dev, int task,
617 int width, int height, int interlace)
619 int prescale,xscale,yscale,y_even,y_odd;
620 int h_start, h_stop, v_start, v_stop;
621 int div = interlace ? 2 : 1;
623 /* setup video scaler */
624 h_start = dev->crop_current.left;
625 v_start = dev->crop_current.top/2;
626 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
627 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
629 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
630 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
631 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
632 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
633 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
634 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
635 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
636 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
638 prescale = dev->crop_current.width / width;
641 xscale = 1024 * dev->crop_current.width / prescale / width;
642 yscale = 512 * div * dev->crop_current.height / height;
643 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
644 set_h_prescale(dev,task,prescale);
645 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
646 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
647 set_v_scale(dev,task,yscale);
649 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
650 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
651 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
652 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
654 /* deinterlace y offsets */
655 y_odd = dev->ctl_y_odd;
656 y_even = dev->ctl_y_even;
657 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
658 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
659 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
660 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
663 /* ------------------------------------------------------------------ */
671 static void sort_cliplist(struct cliplist *cl, int entries)
673 struct cliplist swap;
676 for (i = entries-2; i >= 0; i--) {
677 for (n = 0, j = 0; j <= i; j++) {
678 if (cl[j].position > cl[j+1].position) {
690 static void set_cliplist(struct saa7134_dev *dev, int reg,
691 struct cliplist *cl, int entries, char *name)
696 for (i = 0; i < entries; i++) {
697 winbits |= cl[i].enable;
698 winbits &= ~cl[i].disable;
699 if (i < 15 && cl[i].position == cl[i+1].position)
701 saa_writeb(reg + 0, winbits);
702 saa_writeb(reg + 2, cl[i].position & 0xff);
703 saa_writeb(reg + 3, cl[i].position >> 8);
704 dprintk("clip: %s winbits=%02x pos=%d\n",
705 name,winbits,cl[i].position);
708 for (; reg < 0x400; reg += 8) {
709 saa_writeb(reg+ 0, 0);
710 saa_writeb(reg + 1, 0);
711 saa_writeb(reg + 2, 0);
712 saa_writeb(reg + 3, 0);
716 static int clip_range(int val)
723 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
724 int nclips, int interlace)
726 struct cliplist col[16], row[16];
728 int div = interlace ? 2 : 1;
730 memset(col,0,sizeof(col)); cols = 0;
731 memset(row,0,sizeof(row)); rows = 0;
732 for (i = 0; i < nclips && i < 8; i++) {
733 col[cols].position = clip_range(clips[i].c.left);
734 col[cols].enable = (1 << i);
736 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
737 col[cols].disable = (1 << i);
739 row[rows].position = clip_range(clips[i].c.top / div);
740 row[rows].enable = (1 << i);
742 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
744 row[rows].disable = (1 << i);
747 sort_cliplist(col,cols);
748 sort_cliplist(row,rows);
749 set_cliplist(dev,0x380,col,cols,"cols");
750 set_cliplist(dev,0x384,row,rows,"rows");
754 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
756 enum v4l2_field field;
759 if (NULL == dev->ovbuf.base)
761 if (NULL == dev->ovfmt)
763 if (win->w.width < 48 || win->w.height < 32)
765 if (win->clipcount > 2048)
769 maxw = dev->crop_current.width;
770 maxh = dev->crop_current.height;
772 if (V4L2_FIELD_ANY == field) {
773 field = (win->w.height > maxh/2)
774 ? V4L2_FIELD_INTERLACED
779 case V4L2_FIELD_BOTTOM:
782 case V4L2_FIELD_INTERLACED:
789 if (win->w.width > maxw)
791 if (win->w.height > maxh)
792 win->w.height = maxh;
796 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
798 unsigned long base,control,bpl;
801 err = verify_preview(dev,&fh->win);
805 dev->ovfield = fh->win.field;
806 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
807 fh->win.w.width,fh->win.w.height,
808 fh->win.w.left,fh->win.w.top,
809 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
811 /* setup window + clipping */
812 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
813 V4L2_FIELD_HAS_BOTH(dev->ovfield));
814 setup_clipping(dev,fh->clips,fh->nclips,
815 V4L2_FIELD_HAS_BOTH(dev->ovfield));
817 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
819 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
820 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
822 /* dma: setup channel 1 (= Video Task B) */
823 base = (unsigned long)dev->ovbuf.base;
824 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
825 base += dev->ovfmt->depth/8 * fh->win.w.left;
826 bpl = dev->ovbuf.fmt.bytesperline;
827 control = SAA7134_RS_CONTROL_BURST_16;
828 if (dev->ovfmt->bswap)
829 control |= SAA7134_RS_CONTROL_BSWAP;
830 if (dev->ovfmt->wswap)
831 control |= SAA7134_RS_CONTROL_WSWAP;
832 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
833 saa_writel(SAA7134_RS_BA1(1),base);
834 saa_writel(SAA7134_RS_BA2(1),base+bpl);
835 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
836 saa_writel(SAA7134_RS_CONTROL(1),control);
838 saa_writel(SAA7134_RS_BA1(1),base);
839 saa_writel(SAA7134_RS_BA2(1),base);
840 saa_writel(SAA7134_RS_PITCH(1),bpl);
841 saa_writel(SAA7134_RS_CONTROL(1),control);
846 saa7134_set_dmabits(dev);
851 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
854 saa7134_set_dmabits(dev);
858 /* ------------------------------------------------------------------ */
860 static int buffer_activate(struct saa7134_dev *dev,
861 struct saa7134_buf *buf,
862 struct saa7134_buf *next)
864 unsigned long base,control,bpl;
865 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
867 dprintk("buffer_activate buf=%p\n",buf);
868 buf->vb.state = STATE_ACTIVE;
871 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
872 V4L2_FIELD_HAS_BOTH(buf->vb.field));
874 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
876 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
877 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
879 /* DMA: setup channel 0 (= Video Task A0) */
880 base = saa7134_buffer_base(buf);
881 if (buf->fmt->planar)
884 bpl = (buf->vb.width * buf->fmt->depth) / 8;
885 control = SAA7134_RS_CONTROL_BURST_16 |
886 SAA7134_RS_CONTROL_ME |
887 (buf->pt->dma >> 12);
889 control |= SAA7134_RS_CONTROL_BSWAP;
891 control |= SAA7134_RS_CONTROL_WSWAP;
892 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
894 saa_writel(SAA7134_RS_BA1(0),base);
895 saa_writel(SAA7134_RS_BA2(0),base+bpl);
896 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
899 saa_writel(SAA7134_RS_BA1(0),base);
900 saa_writel(SAA7134_RS_BA2(0),base);
901 saa_writel(SAA7134_RS_PITCH(0),bpl);
903 saa_writel(SAA7134_RS_CONTROL(0),control);
905 if (buf->fmt->planar) {
906 /* DMA: setup channel 4+5 (= planar task A) */
907 bpl_uv = bpl >> buf->fmt->hshift;
908 lines_uv = buf->vb.height >> buf->fmt->vshift;
909 base2 = base + bpl * buf->vb.height;
910 base3 = base2 + bpl_uv * lines_uv;
911 if (buf->fmt->uvswap)
912 tmp = base2, base2 = base3, base3 = tmp;
913 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
914 bpl_uv,lines_uv,base2,base3);
915 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
917 saa_writel(SAA7134_RS_BA1(4),base2);
918 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
919 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
920 saa_writel(SAA7134_RS_BA1(5),base3);
921 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
922 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
925 saa_writel(SAA7134_RS_BA1(4),base2);
926 saa_writel(SAA7134_RS_BA2(4),base2);
927 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
928 saa_writel(SAA7134_RS_BA1(5),base3);
929 saa_writel(SAA7134_RS_BA2(5),base3);
930 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
932 saa_writel(SAA7134_RS_CONTROL(4),control);
933 saa_writel(SAA7134_RS_CONTROL(5),control);
937 saa7134_set_dmabits(dev);
938 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
942 static int buffer_prepare(struct videobuf_queue *q,
943 struct videobuf_buffer *vb,
944 enum v4l2_field field)
946 struct saa7134_fh *fh = q->priv_data;
947 struct saa7134_dev *dev = fh->dev;
948 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
955 if (fh->width < 48 ||
957 fh->width/4 > dev->crop_current.width ||
958 fh->height/4 > dev->crop_current.height ||
959 fh->width > dev->crop_bounds.width ||
960 fh->height > dev->crop_bounds.height)
962 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
963 if (0 != buf->vb.baddr && buf->vb.bsize < size)
966 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
967 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
969 if (buf->vb.width != fh->width ||
970 buf->vb.height != fh->height ||
971 buf->vb.size != size ||
972 buf->vb.field != field ||
973 buf->fmt != fh->fmt) {
974 saa7134_dma_free(dev,buf);
977 if (STATE_NEEDS_INIT == buf->vb.state) {
978 buf->vb.width = fh->width;
979 buf->vb.height = fh->height;
981 buf->vb.field = field;
983 buf->pt = &fh->pt_cap;
985 err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf);
988 err = saa7134_pgtable_build(dev->pci,buf->pt,
991 saa7134_buffer_startpage(buf));
995 buf->vb.state = STATE_PREPARED;
996 buf->activate = buffer_activate;
1000 saa7134_dma_free(dev,buf);
1005 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1007 struct saa7134_fh *fh = q->priv_data;
1009 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1012 *count = saa7134_buffer_count(*size,*count);
1016 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1018 struct saa7134_fh *fh = q->priv_data;
1019 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1021 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1024 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1026 struct saa7134_fh *fh = q->priv_data;
1027 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1029 saa7134_dma_free(fh->dev,buf);
1032 static struct videobuf_queue_ops video_qops = {
1033 .buf_setup = buffer_setup,
1034 .buf_prepare = buffer_prepare,
1035 .buf_queue = buffer_queue,
1036 .buf_release = buffer_release,
1039 /* ------------------------------------------------------------------ */
1041 static int get_control(struct saa7134_dev *dev, struct v4l2_control *c)
1043 const struct v4l2_queryctrl* ctrl;
1045 ctrl = ctrl_by_id(c->id);
1049 case V4L2_CID_BRIGHTNESS:
1050 c->value = dev->ctl_bright;
1053 c->value = dev->ctl_hue;
1055 case V4L2_CID_CONTRAST:
1056 c->value = dev->ctl_contrast;
1058 case V4L2_CID_SATURATION:
1059 c->value = dev->ctl_saturation;
1061 case V4L2_CID_AUDIO_MUTE:
1062 c->value = dev->ctl_mute;
1064 case V4L2_CID_AUDIO_VOLUME:
1065 c->value = dev->ctl_volume;
1067 case V4L2_CID_PRIVATE_INVERT:
1068 c->value = dev->ctl_invert;
1070 case V4L2_CID_HFLIP:
1071 c->value = dev->ctl_mirror;
1073 case V4L2_CID_PRIVATE_Y_EVEN:
1074 c->value = dev->ctl_y_even;
1076 case V4L2_CID_PRIVATE_Y_ODD:
1077 c->value = dev->ctl_y_odd;
1079 case V4L2_CID_PRIVATE_AUTOMUTE:
1080 c->value = dev->ctl_automute;
1088 static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh,
1089 struct v4l2_control *c)
1091 const struct v4l2_queryctrl* ctrl;
1092 unsigned long flags;
1093 int restart_overlay = 0;
1095 ctrl = ctrl_by_id(c->id);
1098 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1099 switch (ctrl->type) {
1100 case V4L2_CTRL_TYPE_BOOLEAN:
1101 case V4L2_CTRL_TYPE_MENU:
1102 case V4L2_CTRL_TYPE_INTEGER:
1103 if (c->value < ctrl->minimum)
1104 c->value = ctrl->minimum;
1105 if (c->value > ctrl->maximum)
1106 c->value = ctrl->maximum;
1112 case V4L2_CID_BRIGHTNESS:
1113 dev->ctl_bright = c->value;
1114 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1117 dev->ctl_hue = c->value;
1118 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1120 case V4L2_CID_CONTRAST:
1121 dev->ctl_contrast = c->value;
1122 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1123 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1125 case V4L2_CID_SATURATION:
1126 dev->ctl_saturation = c->value;
1127 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1128 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1130 case V4L2_CID_AUDIO_MUTE:
1131 dev->ctl_mute = c->value;
1132 saa7134_tvaudio_setmute(dev);
1134 case V4L2_CID_AUDIO_VOLUME:
1135 dev->ctl_volume = c->value;
1136 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1138 case V4L2_CID_PRIVATE_INVERT:
1139 dev->ctl_invert = c->value;
1140 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1141 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1142 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1143 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1145 case V4L2_CID_HFLIP:
1146 dev->ctl_mirror = c->value;
1147 restart_overlay = 1;
1149 case V4L2_CID_PRIVATE_Y_EVEN:
1150 dev->ctl_y_even = c->value;
1151 restart_overlay = 1;
1153 case V4L2_CID_PRIVATE_Y_ODD:
1154 dev->ctl_y_odd = c->value;
1155 restart_overlay = 1;
1157 case V4L2_CID_PRIVATE_AUTOMUTE:
1158 dev->ctl_automute = c->value;
1159 if (dev->tda9887_conf) {
1160 if (dev->ctl_automute)
1161 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1163 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1164 saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG,
1165 &dev->tda9887_conf);
1171 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1172 spin_lock_irqsave(&dev->slock,flags);
1173 stop_preview(dev,fh);
1174 start_preview(dev,fh);
1175 spin_unlock_irqrestore(&dev->slock,flags);
1180 /* ------------------------------------------------------------------ */
1182 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1184 struct videobuf_queue* q = NULL;
1187 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1190 case V4L2_BUF_TYPE_VBI_CAPTURE:
1199 static int saa7134_resource(struct saa7134_fh *fh)
1204 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1205 res = RESOURCE_VIDEO;
1207 case V4L2_BUF_TYPE_VBI_CAPTURE:
1216 static int video_open(struct inode *inode, struct file *file)
1218 int minor = iminor(inode);
1219 struct saa7134_dev *h,*dev = NULL;
1220 struct saa7134_fh *fh;
1221 struct list_head *list;
1222 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1225 list_for_each(list,&saa7134_devlist) {
1226 h = list_entry(list, struct saa7134_dev, devlist);
1227 if (h->video_dev && (h->video_dev->minor == minor))
1229 if (h->radio_dev && (h->radio_dev->minor == minor)) {
1233 if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
1234 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1241 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1242 v4l2_type_names[type]);
1244 /* allocate + initialize per filehandle data */
1245 fh = kmalloc(sizeof(*fh),GFP_KERNEL);
1248 memset(fh,0,sizeof(*fh));
1249 file->private_data = fh;
1253 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1256 v4l2_prio_open(&dev->prio,&fh->prio);
1258 videobuf_queue_init(&fh->cap, &video_qops,
1259 dev->pci, &dev->slock,
1260 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1261 V4L2_FIELD_INTERLACED,
1262 sizeof(struct saa7134_buf),
1264 videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops,
1265 dev->pci, &dev->slock,
1266 V4L2_BUF_TYPE_VBI_CAPTURE,
1268 sizeof(struct saa7134_buf),
1270 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1271 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1274 /* switch to radio mode */
1275 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1276 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO,NULL);
1278 /* switch to video/vbi mode */
1279 video_mux(dev,dev->ctl_input);
1285 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1287 struct saa7134_fh *fh = file->private_data;
1290 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1291 if (res_locked(fh->dev,RESOURCE_VIDEO))
1293 return videobuf_read_one(saa7134_queue(fh),
1295 file->f_flags & O_NONBLOCK);
1296 case V4L2_BUF_TYPE_VBI_CAPTURE:
1297 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1299 return videobuf_read_stream(saa7134_queue(fh),
1300 data, count, ppos, 1,
1301 file->f_flags & O_NONBLOCK);
1310 video_poll(struct file *file, struct poll_table_struct *wait)
1312 struct saa7134_fh *fh = file->private_data;
1313 struct videobuf_buffer *buf = NULL;
1315 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1316 return videobuf_poll_stream(file, &fh->vbi, wait);
1318 if (res_check(fh,RESOURCE_VIDEO)) {
1319 if (!list_empty(&fh->cap.stream))
1320 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1322 down(&fh->cap.lock);
1323 if (UNSET == fh->cap.read_off) {
1324 /* need to capture a new frame */
1325 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1329 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1333 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1334 fh->cap.read_off = 0;
1337 buf = fh->cap.read_buf;
1343 poll_wait(file, &buf->done, wait);
1344 if (buf->state == STATE_DONE ||
1345 buf->state == STATE_ERROR)
1346 return POLLIN|POLLRDNORM;
1350 static int video_release(struct inode *inode, struct file *file)
1352 struct saa7134_fh *fh = file->private_data;
1353 struct saa7134_dev *dev = fh->dev;
1354 unsigned long flags;
1356 /* turn off overlay */
1357 if (res_check(fh, RESOURCE_OVERLAY)) {
1358 spin_lock_irqsave(&dev->slock,flags);
1359 stop_preview(dev,fh);
1360 spin_unlock_irqrestore(&dev->slock,flags);
1361 res_free(dev,fh,RESOURCE_OVERLAY);
1364 /* stop video capture */
1365 if (res_check(fh, RESOURCE_VIDEO)) {
1366 videobuf_streamoff(&fh->cap);
1367 res_free(dev,fh,RESOURCE_VIDEO);
1369 if (fh->cap.read_buf) {
1370 buffer_release(&fh->cap,fh->cap.read_buf);
1371 kfree(fh->cap.read_buf);
1374 /* stop vbi capture */
1375 if (res_check(fh, RESOURCE_VBI)) {
1376 if (fh->vbi.streaming)
1377 videobuf_streamoff(&fh->vbi);
1378 if (fh->vbi.reading)
1379 videobuf_read_stop(&fh->vbi);
1380 res_free(dev,fh,RESOURCE_VBI);
1384 videobuf_mmap_free(&fh->cap);
1385 videobuf_mmap_free(&fh->vbi);
1386 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1387 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1389 v4l2_prio_close(&dev->prio,&fh->prio);
1390 file->private_data = NULL;
1396 video_mmap(struct file *file, struct vm_area_struct * vma)
1398 struct saa7134_fh *fh = file->private_data;
1400 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1403 /* ------------------------------------------------------------------ */
1405 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1407 struct saa7134_tvnorm *norm = dev->tvnorm;
1409 f->fmt.vbi.sampling_rate = 6750000 * 4;
1410 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1411 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1412 f->fmt.vbi.offset = 64 * 4;
1413 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1414 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1415 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1416 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1417 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1420 if (V4L2_STD_PAL == norm->id) {
1422 f->fmt.vbi.start[0] += 3;
1423 f->fmt.vbi.start[1] += 3*2;
1428 static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1429 struct v4l2_format *f)
1432 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1433 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1434 f->fmt.pix.width = fh->width;
1435 f->fmt.pix.height = fh->height;
1436 f->fmt.pix.field = fh->cap.field;
1437 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1438 f->fmt.pix.bytesperline =
1439 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1440 f->fmt.pix.sizeimage =
1441 f->fmt.pix.height * f->fmt.pix.bytesperline;
1443 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1444 f->fmt.win = fh->win;
1446 case V4L2_BUF_TYPE_VBI_CAPTURE:
1447 saa7134_vbi_fmt(dev,f);
1454 static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1455 struct v4l2_format *f)
1460 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1462 struct saa7134_format *fmt;
1463 enum v4l2_field field;
1464 unsigned int maxw, maxh;
1466 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1470 field = f->fmt.pix.field;
1471 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1472 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1474 if (V4L2_FIELD_ANY == field) {
1475 field = (f->fmt.pix.height > maxh/2)
1476 ? V4L2_FIELD_INTERLACED
1477 : V4L2_FIELD_BOTTOM;
1480 case V4L2_FIELD_TOP:
1481 case V4L2_FIELD_BOTTOM:
1484 case V4L2_FIELD_INTERLACED:
1490 f->fmt.pix.field = field;
1491 if (f->fmt.pix.width < 48)
1492 f->fmt.pix.width = 48;
1493 if (f->fmt.pix.height < 32)
1494 f->fmt.pix.height = 32;
1495 if (f->fmt.pix.width > maxw)
1496 f->fmt.pix.width = maxw;
1497 if (f->fmt.pix.height > maxh)
1498 f->fmt.pix.height = maxh;
1499 f->fmt.pix.width &= ~0x03;
1500 f->fmt.pix.bytesperline =
1501 (f->fmt.pix.width * fmt->depth) >> 3;
1502 f->fmt.pix.sizeimage =
1503 f->fmt.pix.height * f->fmt.pix.bytesperline;
1507 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1508 err = verify_preview(dev,&f->fmt.win);
1512 case V4L2_BUF_TYPE_VBI_CAPTURE:
1513 saa7134_vbi_fmt(dev,f);
1520 static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
1521 struct v4l2_format *f)
1523 unsigned long flags;
1527 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1528 err = saa7134_try_fmt(dev,fh,f);
1532 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1533 fh->width = f->fmt.pix.width;
1534 fh->height = f->fmt.pix.height;
1535 fh->cap.field = f->fmt.pix.field;
1537 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1538 err = verify_preview(dev,&f->fmt.win);
1543 fh->win = f->fmt.win;
1544 fh->nclips = f->fmt.win.clipcount;
1547 if (copy_from_user(fh->clips,f->fmt.win.clips,
1548 sizeof(struct v4l2_clip)*fh->nclips)) {
1553 if (res_check(fh, RESOURCE_OVERLAY)) {
1554 spin_lock_irqsave(&dev->slock,flags);
1555 stop_preview(dev,fh);
1556 start_preview(dev,fh);
1557 spin_unlock_irqrestore(&dev->slock,flags);
1561 case V4L2_BUF_TYPE_VBI_CAPTURE:
1562 saa7134_vbi_fmt(dev,f);
1569 int saa7134_common_ioctl(struct saa7134_dev *dev,
1570 unsigned int cmd, void *arg)
1575 case VIDIOC_QUERYCTRL:
1577 const struct v4l2_queryctrl *ctrl;
1578 struct v4l2_queryctrl *c = arg;
1580 if ((c->id < V4L2_CID_BASE ||
1581 c->id >= V4L2_CID_LASTP1) &&
1582 (c->id < V4L2_CID_PRIVATE_BASE ||
1583 c->id >= V4L2_CID_PRIVATE_LASTP1))
1585 ctrl = ctrl_by_id(c->id);
1586 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1590 return get_control(dev,arg);
1594 err = set_control(dev,NULL,arg);
1598 /* --- input switching --------------------------------------- */
1599 case VIDIOC_ENUMINPUT:
1601 struct v4l2_input *i = arg;
1605 if (n >= SAA7134_INPUT_MAX)
1607 if (NULL == card_in(dev,i->index).name)
1609 memset(i,0,sizeof(*i));
1611 i->type = V4L2_INPUT_TYPE_CAMERA;
1612 strcpy(i->name,card_in(dev,n).name);
1613 if (card_in(dev,n).tv)
1614 i->type = V4L2_INPUT_TYPE_TUNER;
1616 if (n == dev->ctl_input) {
1617 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1618 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1620 if (0 != (v1 & 0x40))
1621 i->status |= V4L2_IN_ST_NO_H_LOCK;
1622 if (0 != (v2 & 0x40))
1623 i->status |= V4L2_IN_ST_NO_SYNC;
1624 if (0 != (v2 & 0x0e))
1625 i->status |= V4L2_IN_ST_MACROVISION;
1627 for (n = 0; n < TVNORMS; n++)
1628 i->std |= tvnorms[n].id;
1631 case VIDIOC_G_INPUT:
1634 *i = dev->ctl_input;
1637 case VIDIOC_S_INPUT:
1641 if (*i < 0 || *i >= SAA7134_INPUT_MAX)
1643 if (NULL == card_in(dev,*i).name)
1654 EXPORT_SYMBOL(saa7134_common_ioctl);
1657 * This function is _not_ called directly, but from
1658 * video_generic_ioctl (and maybe others). userspace
1659 * copying is done already, arg is a kernel pointer.
1661 static int video_do_ioctl(struct inode *inode, struct file *file,
1662 unsigned int cmd, void *arg)
1664 struct saa7134_fh *fh = file->private_data;
1665 struct saa7134_dev *dev = fh->dev;
1666 unsigned long flags;
1669 if (video_debug > 1)
1670 saa7134_print_ioctl(dev->name,cmd);
1675 case VIDIOC_S_INPUT:
1676 case VIDIOC_S_TUNER:
1677 case VIDIOC_S_FREQUENCY:
1678 err = v4l2_prio_check(&dev->prio,&fh->prio);
1684 case VIDIOC_QUERYCAP:
1686 struct v4l2_capability *cap = arg;
1688 memset(cap,0,sizeof(*cap));
1689 strcpy(cap->driver, "saa7134");
1690 strlcpy(cap->card, saa7134_boards[dev->board].name,
1692 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
1693 cap->version = SAA7134_VERSION_CODE;
1695 V4L2_CAP_VIDEO_CAPTURE |
1696 V4L2_CAP_VIDEO_OVERLAY |
1697 V4L2_CAP_VBI_CAPTURE |
1699 V4L2_CAP_READWRITE |
1704 /* --- tv standards ------------------------------------------ */
1705 case VIDIOC_ENUMSTD:
1707 struct v4l2_standard *e = arg;
1713 err = v4l2_video_std_construct(e, tvnorms[e->index].id,
1714 tvnorms[e->index].name);
1722 v4l2_std_id *id = arg;
1724 *id = dev->tvnorm->id;
1729 v4l2_std_id *id = arg;
1732 for (i = 0; i < TVNORMS; i++)
1733 if (*id == tvnorms[i].id)
1736 for (i = 0; i < TVNORMS; i++)
1737 if (*id & tvnorms[i].id)
1743 if (res_check(fh, RESOURCE_OVERLAY)) {
1744 spin_lock_irqsave(&dev->slock,flags);
1745 stop_preview(dev,fh);
1746 set_tvnorm(dev,&tvnorms[i]);
1747 start_preview(dev,fh);
1748 spin_unlock_irqrestore(&dev->slock,flags);
1750 set_tvnorm(dev,&tvnorms[i]);
1751 saa7134_tvaudio_do_scan(dev);
1756 case VIDIOC_CROPCAP:
1758 struct v4l2_cropcap *cap = arg;
1760 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1761 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1763 cap->bounds = dev->crop_bounds;
1764 cap->defrect = dev->crop_defrect;
1765 cap->pixelaspect.numerator = 1;
1766 cap->pixelaspect.denominator = 1;
1767 if (dev->tvnorm->id & V4L2_STD_525_60) {
1768 cap->pixelaspect.numerator = 11;
1769 cap->pixelaspect.denominator = 10;
1771 if (dev->tvnorm->id & V4L2_STD_625_50) {
1772 cap->pixelaspect.numerator = 54;
1773 cap->pixelaspect.denominator = 59;
1780 struct v4l2_crop * crop = arg;
1782 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1783 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1785 crop->c = dev->crop_current;
1790 struct v4l2_crop *crop = arg;
1791 struct v4l2_rect *b = &dev->crop_bounds;
1793 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1794 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1796 if (crop->c.height < 0)
1798 if (crop->c.width < 0)
1801 if (res_locked(fh->dev,RESOURCE_OVERLAY))
1803 if (res_locked(fh->dev,RESOURCE_VIDEO))
1806 if (crop->c.top < b->top)
1807 crop->c.top = b->top;
1808 if (crop->c.top > b->top + b->height)
1809 crop->c.top = b->top + b->height;
1810 if (crop->c.height > b->top - crop->c.top + b->height)
1811 crop->c.height = b->top - crop->c.top + b->height;
1813 if (crop->c.left < b->left)
1814 crop->c.top = b->left;
1815 if (crop->c.left > b->left + b->width)
1816 crop->c.top = b->left + b->width;
1817 if (crop->c.width > b->left - crop->c.left + b->width)
1818 crop->c.width = b->left - crop->c.left + b->width;
1820 dev->crop_current = crop->c;
1824 /* --- tuner ioctls ------------------------------------------ */
1825 case VIDIOC_G_TUNER:
1827 struct v4l2_tuner *t = arg;
1832 memset(t,0,sizeof(*t));
1833 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1834 if (card_in(dev,n).tv)
1836 if (NULL != card_in(dev,n).name) {
1837 strcpy(t->name, "Television");
1838 t->capability = V4L2_TUNER_CAP_NORM |
1839 V4L2_TUNER_CAP_STEREO |
1840 V4L2_TUNER_CAP_LANG1 |
1841 V4L2_TUNER_CAP_LANG2;
1842 t->rangehigh = 0xffffffffUL;
1843 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1844 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1846 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1850 case VIDIOC_S_TUNER:
1852 struct v4l2_tuner *t = arg;
1855 mode = dev->thread.mode;
1856 if (UNSET == mode) {
1857 rx = saa7134_tvaudio_getstereo(dev);
1858 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1860 if (mode != t->audmode) {
1861 dev->thread.mode = t->audmode;
1865 case VIDIOC_G_FREQUENCY:
1867 struct v4l2_frequency *f = arg;
1869 memset(f,0,sizeof(*f));
1870 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1871 f->frequency = dev->ctl_freq;
1874 case VIDIOC_S_FREQUENCY:
1876 struct v4l2_frequency *f = arg;
1880 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1882 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1885 dev->ctl_freq = f->frequency;
1886 #ifdef V4L2_I2C_CLIENTS
1887 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
1889 saa7134_i2c_call_clients(dev,VIDIOCSFREQ,&dev->ctl_freq);
1891 saa7134_tvaudio_do_scan(dev);
1896 /* --- control ioctls ---------------------------------------- */
1897 case VIDIOC_ENUMINPUT:
1898 case VIDIOC_G_INPUT:
1899 case VIDIOC_S_INPUT:
1900 case VIDIOC_QUERYCTRL:
1903 return saa7134_common_ioctl(dev, cmd, arg);
1905 case VIDIOC_G_AUDIO:
1907 struct v4l2_audio *a = arg;
1909 memset(a,0,sizeof(*a));
1910 strcpy(a->name,"audio");
1913 case VIDIOC_S_AUDIO:
1917 struct v4l2_captureparm *parm = arg;
1918 memset(parm,0,sizeof(*parm));
1922 case VIDIOC_G_PRIORITY:
1924 enum v4l2_priority *p = arg;
1926 *p = v4l2_prio_max(&dev->prio);
1929 case VIDIOC_S_PRIORITY:
1931 enum v4l2_priority *prio = arg;
1933 return v4l2_prio_change(&dev->prio, &fh->prio, *prio);
1936 /* --- preview ioctls ---------------------------------------- */
1937 case VIDIOC_ENUM_FMT:
1939 struct v4l2_fmtdesc *f = arg;
1940 enum v4l2_buf_type type;
1946 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1947 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1948 if (index >= FORMATS)
1950 if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
1951 formats[index].planar)
1953 memset(f,0,sizeof(*f));
1956 strlcpy(f->description,formats[index].name,sizeof(f->description));
1957 f->pixelformat = formats[index].fourcc;
1959 case V4L2_BUF_TYPE_VBI_CAPTURE:
1962 memset(f,0,sizeof(*f));
1965 f->pixelformat = V4L2_PIX_FMT_GREY;
1966 strcpy(f->description,"vbi data");
1975 struct v4l2_framebuffer *fb = arg;
1978 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1983 struct v4l2_framebuffer *fb = arg;
1984 struct saa7134_format *fmt;
1986 if(!capable(CAP_SYS_ADMIN) &&
1987 !capable(CAP_SYS_RAWIO))
1991 fmt = format_by_fourcc(fb->fmt.pixelformat);
1998 if (0 == dev->ovbuf.fmt.bytesperline)
1999 dev->ovbuf.fmt.bytesperline =
2000 dev->ovbuf.fmt.width*fmt->depth/8;
2003 case VIDIOC_OVERLAY:
2008 if (!res_get(dev,fh,RESOURCE_OVERLAY))
2010 spin_lock_irqsave(&dev->slock,flags);
2011 start_preview(dev,fh);
2012 spin_unlock_irqrestore(&dev->slock,flags);
2015 if (!res_check(fh, RESOURCE_OVERLAY))
2017 spin_lock_irqsave(&dev->slock,flags);
2018 stop_preview(dev,fh);
2019 spin_unlock_irqrestore(&dev->slock,flags);
2020 res_free(dev,fh,RESOURCE_OVERLAY);
2025 /* --- capture ioctls ---------------------------------------- */
2028 struct v4l2_format *f = arg;
2029 return saa7134_g_fmt(dev,fh,f);
2033 struct v4l2_format *f = arg;
2034 return saa7134_s_fmt(dev,fh,f);
2036 case VIDIOC_TRY_FMT:
2038 struct v4l2_format *f = arg;
2039 return saa7134_try_fmt(dev,fh,f);
2044 struct video_mbuf *mbuf = arg;
2045 struct videobuf_queue *q;
2046 struct v4l2_requestbuffers req;
2049 q = saa7134_queue(fh);
2050 memset(&req,0,sizeof(req));
2052 req.count = gbuffers;
2053 req.memory = V4L2_MEMORY_MMAP;
2054 err = videobuf_reqbufs(q,&req);
2057 memset(mbuf,0,sizeof(*mbuf));
2058 mbuf->frames = req.count;
2060 for (i = 0; i < mbuf->frames; i++) {
2061 mbuf->offsets[i] = q->bufs[i]->boff;
2062 mbuf->size += q->bufs[i]->bsize;
2066 case VIDIOC_REQBUFS:
2067 return videobuf_reqbufs(saa7134_queue(fh),arg);
2069 case VIDIOC_QUERYBUF:
2070 return videobuf_querybuf(saa7134_queue(fh),arg);
2073 return videobuf_qbuf(saa7134_queue(fh),arg);
2076 return videobuf_dqbuf(saa7134_queue(fh),arg,
2077 file->f_flags & O_NONBLOCK);
2079 case VIDIOC_STREAMON:
2081 int res = saa7134_resource(fh);
2083 if (!res_get(dev,fh,res))
2085 return videobuf_streamon(saa7134_queue(fh));
2087 case VIDIOC_STREAMOFF:
2089 int res = saa7134_resource(fh);
2091 err = videobuf_streamoff(saa7134_queue(fh));
2094 res_free(dev,fh,res);
2099 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2105 static int video_ioctl(struct inode *inode, struct file *file,
2106 unsigned int cmd, unsigned long arg)
2108 return video_usercopy(inode, file, cmd, arg, video_do_ioctl);
2111 static int radio_do_ioctl(struct inode *inode, struct file *file,
2112 unsigned int cmd, void *arg)
2114 struct saa7134_fh *fh = file->private_data;
2115 struct saa7134_dev *dev = fh->dev;
2117 if (video_debug > 1)
2118 saa7134_print_ioctl(dev->name,cmd);
2120 case VIDIOC_QUERYCAP:
2122 struct v4l2_capability *cap = arg;
2124 memset(cap,0,sizeof(*cap));
2125 strcpy(cap->driver, "saa7134");
2126 strlcpy(cap->card, saa7134_boards[dev->board].name,
2128 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
2129 cap->version = SAA7134_VERSION_CODE;
2130 cap->capabilities = V4L2_CAP_TUNER;
2133 case VIDIOC_G_TUNER:
2135 struct v4l2_tuner *t = arg;
2140 memset(t,0,sizeof(*t));
2141 strcpy(t->name, "Radio");
2142 t->rangelow = (int)(65*16);
2143 t->rangehigh = (int)(108*16);
2145 #ifdef V4L2_I2C_CLIENTS
2146 saa7134_i2c_call_clients(dev,VIDIOC_G_TUNER,t);
2149 struct video_tuner vt;
2150 memset(&vt,0,sizeof(vt));
2151 saa7134_i2c_call_clients(dev,VIDIOCGTUNER,&vt);
2152 t->signal = vt.signal;
2157 case VIDIOC_ENUMINPUT:
2159 struct v4l2_input *i = arg;
2163 strcpy(i->name,"Radio");
2164 i->type = V4L2_INPUT_TYPE_TUNER;
2167 case VIDIOC_G_INPUT:
2173 case VIDIOC_G_AUDIO:
2175 struct v4l2_audio *a = arg;
2177 memset(a,0,sizeof(*a));
2178 strcpy(a->name,"Radio");
2183 v4l2_std_id *id = arg;
2187 case VIDIOC_S_AUDIO:
2188 case VIDIOC_S_TUNER:
2189 case VIDIOC_S_INPUT:
2193 case VIDIOC_QUERYCTRL:
2195 const struct v4l2_queryctrl *ctrl;
2196 struct v4l2_queryctrl *c = arg;
2198 if (c->id < V4L2_CID_BASE ||
2199 c->id >= V4L2_CID_LASTP1)
2201 if (c->id == V4L2_CID_AUDIO_MUTE) {
2202 ctrl = ctrl_by_id(c->id);
2211 case VIDIOC_G_FREQUENCY:
2212 case VIDIOC_S_FREQUENCY:
2213 return video_do_ioctl(inode,file,cmd,arg);
2216 return v4l_compat_translate_ioctl(inode,file,cmd,arg,
2222 static int radio_ioctl(struct inode *inode, struct file *file,
2223 unsigned int cmd, unsigned long arg)
2225 return video_usercopy(inode, file, cmd, arg, radio_do_ioctl);
2228 static struct file_operations video_fops =
2230 .owner = THIS_MODULE,
2232 .release = video_release,
2236 .ioctl = video_ioctl,
2237 .llseek = no_llseek,
2240 static struct file_operations radio_fops =
2242 .owner = THIS_MODULE,
2244 .release = video_release,
2245 .ioctl = radio_ioctl,
2246 .llseek = no_llseek,
2249 /* ----------------------------------------------------------- */
2250 /* exported stuff */
2252 struct video_device saa7134_video_template =
2254 .name = "saa7134-video",
2255 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY|
2256 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2258 .fops = &video_fops,
2262 struct video_device saa7134_vbi_template =
2264 .name = "saa7134-vbi",
2265 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2267 .fops = &video_fops,
2271 struct video_device saa7134_radio_template =
2273 .name = "saa7134-radio",
2274 .type = VID_TYPE_TUNER,
2276 .fops = &radio_fops,
2280 int saa7134_video_init1(struct saa7134_dev *dev)
2282 /* sanitycheck insmod options */
2283 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2285 if (gbufsize < 0 || gbufsize > gbufsize_max)
2286 gbufsize = gbufsize_max;
2287 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2289 /* put some sensible defaults into the data structures ... */
2290 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2291 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2292 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2293 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2294 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2295 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2296 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2297 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2299 if (dev->tda9887_conf && dev->ctl_automute)
2300 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2303 INIT_LIST_HEAD(&dev->video_q.queue);
2304 init_timer(&dev->video_q.timeout);
2305 dev->video_q.timeout.function = saa7134_buffer_timeout;
2306 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2307 dev->video_q.dev = dev;
2309 if (saa7134_boards[dev->board].video_out) {
2310 /* enable video output */
2311 int vo = saa7134_boards[dev->board].video_out;
2312 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2313 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_out[vo][1]);
2314 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2315 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2316 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2317 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_out[vo][5]);
2318 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_out[vo][6]);
2319 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2320 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2326 int saa7134_video_init2(struct saa7134_dev *dev)
2329 set_tvnorm(dev,&tvnorms[0]);
2331 saa7134_tvaudio_setmute(dev);
2332 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2336 int saa7134_video_fini(struct saa7134_dev *dev)
2342 void saa7134_irq_video_intl(struct saa7134_dev *dev)
2344 static const char *st[] = {
2345 "(no signal)", "NTSC", "PAL", "SECAM" };
2348 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2349 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2350 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2351 (st1 & 0x40) ? "not locked" : "locked",
2352 (st2 & 0x40) ? "no" : "yes",
2354 dev->nosignal = (st1 & 0x40) || (st2 & 0x40);
2356 if (dev->nosignal) {
2357 /* no video signal -> mute audio */
2358 if (dev->ctl_automute)
2360 saa7134_tvaudio_setmute(dev);
2361 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2363 /* wake up tvaudio audio carrier scan thread */
2364 saa7134_tvaudio_do_scan(dev);
2366 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2368 if (dev->mops && dev->mops->signal_change)
2369 dev->mops->signal_change(dev);
2372 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2374 enum v4l2_field field;
2376 spin_lock(&dev->slock);
2377 if (dev->video_q.curr) {
2378 dev->video_fieldcount++;
2379 field = dev->video_q.curr->vb.field;
2380 if (V4L2_FIELD_HAS_BOTH(field)) {
2381 /* make sure we have seen both fields */
2382 if ((status & 0x10) == 0x00) {
2383 dev->video_q.curr->top_seen = 1;
2386 if (!dev->video_q.curr->top_seen)
2388 } else if (field == V4L2_FIELD_TOP) {
2389 if ((status & 0x10) != 0x10)
2391 } else if (field == V4L2_FIELD_BOTTOM) {
2392 if ((status & 0x10) != 0x00)
2395 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2396 saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE);
2398 saa7134_buffer_next(dev,&dev->video_q);
2401 spin_unlock(&dev->slock);
2404 /* ----------------------------------------------------------- */