3 * device driver for philips saa7134 based TV cards
4 * video4linux video interface
6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
26 #include <linux/kernel.h>
27 #include <linux/slab.h>
28 #include <linux/sort.h>
30 #include <media/v4l2-common.h>
31 #include <media/v4l2-event.h>
32 #include <media/saa6588.h>
34 #include "saa7134-reg.h"
37 /* ------------------------------------------------------------------ */
39 unsigned int video_debug;
40 static unsigned int gbuffers = 8;
41 static unsigned int noninterlaced; /* 0 */
42 static unsigned int gbufsize = 720*576*4;
43 static unsigned int gbufsize_max = 720*576*4;
44 static char secam[] = "--";
45 module_param(video_debug, int, 0644);
46 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
47 module_param(gbuffers, int, 0444);
48 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
49 module_param(noninterlaced, int, 0644);
50 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
51 module_param_string(secam, secam, sizeof(secam), 0644);
52 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
55 #define dprintk(fmt, arg...) if (video_debug&0x04) \
56 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
58 /* ------------------------------------------------------------------ */
59 /* Defines for Video Output Port Register at address 0x191 */
61 /* Bit 0: VIP code T bit polarity */
63 #define VP_T_CODE_P_NON_INVERTED 0x00
64 #define VP_T_CODE_P_INVERTED 0x01
66 /* ------------------------------------------------------------------ */
67 /* Defines for Video Output Port Register at address 0x195 */
69 /* Bit 2: Video output clock delay control */
71 #define VP_CLK_CTRL2_NOT_DELAYED 0x00
72 #define VP_CLK_CTRL2_DELAYED 0x04
74 /* Bit 1: Video output clock invert control */
76 #define VP_CLK_CTRL1_NON_INVERTED 0x00
77 #define VP_CLK_CTRL1_INVERTED 0x02
79 /* ------------------------------------------------------------------ */
80 /* Defines for Video Output Port Register at address 0x196 */
82 /* Bits 2 to 0: VSYNC pin video vertical sync type */
84 #define VP_VS_TYPE_MASK 0x07
86 #define VP_VS_TYPE_OFF 0x00
87 #define VP_VS_TYPE_V123 0x01
88 #define VP_VS_TYPE_V_ITU 0x02
89 #define VP_VS_TYPE_VGATE_L 0x03
90 #define VP_VS_TYPE_RESERVED1 0x04
91 #define VP_VS_TYPE_RESERVED2 0x05
92 #define VP_VS_TYPE_F_ITU 0x06
93 #define VP_VS_TYPE_SC_FID 0x07
95 /* ------------------------------------------------------------------ */
96 /* data structs for video */
98 static int video_out[][9] = {
99 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
102 static struct saa7134_format formats[] = {
104 .name = "8 bpp gray",
105 .fourcc = V4L2_PIX_FMT_GREY,
109 .name = "15 bpp RGB, le",
110 .fourcc = V4L2_PIX_FMT_RGB555,
114 .name = "15 bpp RGB, be",
115 .fourcc = V4L2_PIX_FMT_RGB555X,
120 .name = "16 bpp RGB, le",
121 .fourcc = V4L2_PIX_FMT_RGB565,
125 .name = "16 bpp RGB, be",
126 .fourcc = V4L2_PIX_FMT_RGB565X,
131 .name = "24 bpp RGB, le",
132 .fourcc = V4L2_PIX_FMT_BGR24,
136 .name = "24 bpp RGB, be",
137 .fourcc = V4L2_PIX_FMT_RGB24,
142 .name = "32 bpp RGB, le",
143 .fourcc = V4L2_PIX_FMT_BGR32,
147 .name = "32 bpp RGB, be",
148 .fourcc = V4L2_PIX_FMT_RGB32,
154 .name = "4:2:2 packed, YUYV",
155 .fourcc = V4L2_PIX_FMT_YUYV,
161 .name = "4:2:2 packed, UYVY",
162 .fourcc = V4L2_PIX_FMT_UYVY,
167 .name = "4:2:2 planar, Y-Cb-Cr",
168 .fourcc = V4L2_PIX_FMT_YUV422P,
176 .name = "4:2:0 planar, Y-Cb-Cr",
177 .fourcc = V4L2_PIX_FMT_YUV420,
185 .name = "4:2:0 planar, Y-Cb-Cr",
186 .fourcc = V4L2_PIX_FMT_YVU420,
196 #define FORMATS ARRAY_SIZE(formats)
198 #define NORM_625_50 \
201 .video_v_start = 24, \
202 .video_v_stop = 311, \
203 .vbi_v_start_0 = 7, \
204 .vbi_v_stop_0 = 23, \
205 .vbi_v_start_1 = 319, \
208 #define NORM_525_60 \
211 .video_v_start = 23, \
212 .video_v_stop = 262, \
213 .vbi_v_start_0 = 10, \
214 .vbi_v_stop_0 = 21, \
215 .vbi_v_start_1 = 273, \
218 static struct saa7134_tvnorm tvnorms[] = {
220 .name = "PAL", /* autodetect */
224 .sync_control = 0x18,
225 .luma_control = 0x40,
226 .chroma_ctrl1 = 0x81,
228 .chroma_ctrl2 = 0x06,
233 .id = V4L2_STD_PAL_BG,
236 .sync_control = 0x18,
237 .luma_control = 0x40,
238 .chroma_ctrl1 = 0x81,
240 .chroma_ctrl2 = 0x06,
245 .id = V4L2_STD_PAL_I,
248 .sync_control = 0x18,
249 .luma_control = 0x40,
250 .chroma_ctrl1 = 0x81,
252 .chroma_ctrl2 = 0x06,
257 .id = V4L2_STD_PAL_DK,
260 .sync_control = 0x18,
261 .luma_control = 0x40,
262 .chroma_ctrl1 = 0x81,
264 .chroma_ctrl2 = 0x06,
272 .sync_control = 0x59,
273 .luma_control = 0x40,
274 .chroma_ctrl1 = 0x89,
276 .chroma_ctrl2 = 0x0e,
281 .id = V4L2_STD_SECAM,
284 .sync_control = 0x18,
285 .luma_control = 0x1b,
286 .chroma_ctrl1 = 0xd1,
288 .chroma_ctrl2 = 0x00,
293 .id = V4L2_STD_SECAM_DK,
296 .sync_control = 0x18,
297 .luma_control = 0x1b,
298 .chroma_ctrl1 = 0xd1,
300 .chroma_ctrl2 = 0x00,
305 .id = V4L2_STD_SECAM_L,
308 .sync_control = 0x18,
309 .luma_control = 0x1b,
310 .chroma_ctrl1 = 0xd1,
312 .chroma_ctrl2 = 0x00,
317 .id = V4L2_STD_SECAM_LC,
320 .sync_control = 0x18,
321 .luma_control = 0x1b,
322 .chroma_ctrl1 = 0xd1,
324 .chroma_ctrl2 = 0x00,
329 .id = V4L2_STD_PAL_M,
332 .sync_control = 0x59,
333 .luma_control = 0x40,
334 .chroma_ctrl1 = 0xb9,
336 .chroma_ctrl2 = 0x0e,
341 .id = V4L2_STD_PAL_Nc,
344 .sync_control = 0x18,
345 .luma_control = 0x40,
346 .chroma_ctrl1 = 0xa1,
348 .chroma_ctrl2 = 0x06,
353 .id = V4L2_STD_PAL_60,
361 .vbi_v_start_1 = 273,
364 .sync_control = 0x18,
365 .luma_control = 0x40,
366 .chroma_ctrl1 = 0x81,
368 .chroma_ctrl2 = 0x06,
372 #define TVNORMS ARRAY_SIZE(tvnorms)
374 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
378 for (i = 0; i < FORMATS; i++)
379 if (formats[i].fourcc == fourcc)
384 /* ------------------------------------------------------------------ */
386 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
388 dprintk("set tv norm = %s\n",norm->name);
392 dev->crop_bounds.left = norm->h_start;
393 dev->crop_defrect.left = norm->h_start;
394 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
395 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
397 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
398 dev->crop_defrect.top = norm->video_v_start*2;
399 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
400 - dev->crop_bounds.top;
401 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
403 dev->crop_current = dev->crop_defrect;
405 saa7134_set_tvnorm_hw(dev);
408 static void video_mux(struct saa7134_dev *dev, int input)
410 dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
411 dev->ctl_input = input;
412 set_tvnorm(dev, dev->tvnorm);
413 saa7134_tvaudio_setinput(dev, &card_in(dev, input));
417 static void saa7134_set_decoder(struct saa7134_dev *dev)
419 int luma_control, sync_control, chroma_ctrl1, mux;
421 struct saa7134_tvnorm *norm = dev->tvnorm;
422 mux = card_in(dev, dev->ctl_input).vmux;
424 luma_control = norm->luma_control;
425 sync_control = norm->sync_control;
426 chroma_ctrl1 = norm->chroma_ctrl1;
429 luma_control |= 0x80; /* svideo */
430 if (noninterlaced || dev->nosignal)
431 sync_control |= 0x20;
433 /* switch on auto standard detection */
434 sync_control |= SAA7134_SYNC_CTRL_AUFD;
435 chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
436 chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
437 luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
439 /* setup video decoder */
440 saa_writeb(SAA7134_INCR_DELAY, 0x08);
441 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
442 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
444 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
445 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
446 saa_writeb(SAA7134_HSYNC_START, 0xeb);
447 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
448 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
450 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
451 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
452 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
454 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
455 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
457 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
458 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
460 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
461 saa_writeb(SAA7134_CHROMA_CTRL1, chroma_ctrl1);
462 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
464 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
465 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
467 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
468 saa_writeb(SAA7134_VGATE_START, 0x11);
469 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
470 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
471 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
472 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
475 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
477 saa7134_set_decoder(dev);
479 if (card_in(dev, dev->ctl_input).tv)
480 saa_call_all(dev, video, s_std, dev->tvnorm->id);
481 /* Set the correct norm for the saa6752hs. This function
482 does nothing if there is no saa6752hs. */
483 saa_call_empress(dev, video, s_std, dev->tvnorm->id);
486 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
488 static const struct {
495 /* XPSC XACL XC2_1 XDCG VPFY */
507 static const int count = ARRAY_SIZE(vals);
510 for (i = 0; i < count; i++)
511 if (vals[i].xpsc == prescale)
516 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
517 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
518 saa_writeb(SAA7134_LEVEL_CTRL(task),
519 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
520 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
521 (vals[i].vpfy << 2) | vals[i].vpfy);
524 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
528 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
529 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
531 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
534 dprintk("yscale LPI yscale=%d\n",yscale);
535 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
536 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
537 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
540 val = 0x40 * 1024 / yscale;
541 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
542 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
543 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
544 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
546 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
549 static void set_size(struct saa7134_dev *dev, int task,
550 int width, int height, int interlace)
552 int prescale,xscale,yscale,y_even,y_odd;
553 int h_start, h_stop, v_start, v_stop;
554 int div = interlace ? 2 : 1;
556 /* setup video scaler */
557 h_start = dev->crop_current.left;
558 v_start = dev->crop_current.top/2;
559 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
560 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
562 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
563 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
564 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
565 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
566 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
567 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
568 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
569 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
571 prescale = dev->crop_current.width / width;
574 xscale = 1024 * dev->crop_current.width / prescale / width;
575 yscale = 512 * div * dev->crop_current.height / height;
576 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
577 set_h_prescale(dev,task,prescale);
578 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
579 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
580 set_v_scale(dev,task,yscale);
582 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
583 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
584 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
585 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
587 /* deinterlace y offsets */
588 y_odd = dev->ctl_y_odd;
589 y_even = dev->ctl_y_even;
590 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
591 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
592 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
593 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
596 /* ------------------------------------------------------------------ */
604 static void set_cliplist(struct saa7134_dev *dev, int reg,
605 struct cliplist *cl, int entries, char *name)
610 for (i = 0; i < entries; i++) {
611 winbits |= cl[i].enable;
612 winbits &= ~cl[i].disable;
613 if (i < 15 && cl[i].position == cl[i+1].position)
615 saa_writeb(reg + 0, winbits);
616 saa_writeb(reg + 2, cl[i].position & 0xff);
617 saa_writeb(reg + 3, cl[i].position >> 8);
618 dprintk("clip: %s winbits=%02x pos=%d\n",
619 name,winbits,cl[i].position);
622 for (; reg < 0x400; reg += 8) {
623 saa_writeb(reg+ 0, 0);
624 saa_writeb(reg + 1, 0);
625 saa_writeb(reg + 2, 0);
626 saa_writeb(reg + 3, 0);
630 static int clip_range(int val)
637 /* Sort into smallest position first order */
638 static int cliplist_cmp(const void *a, const void *b)
640 const struct cliplist *cla = a;
641 const struct cliplist *clb = b;
642 if (cla->position < clb->position)
644 if (cla->position > clb->position)
649 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
650 int nclips, int interlace)
652 struct cliplist col[16], row[16];
653 int cols = 0, rows = 0, i;
654 int div = interlace ? 2 : 1;
656 memset(col, 0, sizeof(col));
657 memset(row, 0, sizeof(row));
658 for (i = 0; i < nclips && i < 8; i++) {
659 col[cols].position = clip_range(clips[i].c.left);
660 col[cols].enable = (1 << i);
662 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
663 col[cols].disable = (1 << i);
665 row[rows].position = clip_range(clips[i].c.top / div);
666 row[rows].enable = (1 << i);
668 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
670 row[rows].disable = (1 << i);
673 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
674 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
675 set_cliplist(dev,0x380,col,cols,"cols");
676 set_cliplist(dev,0x384,row,rows,"rows");
680 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
682 enum v4l2_field field;
685 if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
687 if (win->w.width < 48)
689 if (win->w.height < 32)
691 if (win->clipcount > 8)
695 win->global_alpha = 0;
697 maxw = dev->crop_current.width;
698 maxh = dev->crop_current.height;
700 if (V4L2_FIELD_ANY == field) {
701 field = (win->w.height > maxh/2)
702 ? V4L2_FIELD_INTERLACED
707 case V4L2_FIELD_BOTTOM:
711 field = V4L2_FIELD_INTERLACED;
716 if (win->w.width > maxw)
718 if (win->w.height > maxh)
719 win->w.height = maxh;
723 static int start_preview(struct saa7134_dev *dev)
725 unsigned long base,control,bpl;
728 err = verify_preview(dev, &dev->win, false);
732 dev->ovfield = dev->win.field;
733 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
734 dev->win.w.width, dev->win.w.height,
735 dev->win.w.left, dev->win.w.top,
736 dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
738 /* setup window + clipping */
739 set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
740 V4L2_FIELD_HAS_BOTH(dev->ovfield));
741 setup_clipping(dev, dev->clips, dev->nclips,
742 V4L2_FIELD_HAS_BOTH(dev->ovfield));
744 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
746 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
747 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
749 /* dma: setup channel 1 (= Video Task B) */
750 base = (unsigned long)dev->ovbuf.base;
751 base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
752 base += dev->ovfmt->depth/8 * dev->win.w.left;
753 bpl = dev->ovbuf.fmt.bytesperline;
754 control = SAA7134_RS_CONTROL_BURST_16;
755 if (dev->ovfmt->bswap)
756 control |= SAA7134_RS_CONTROL_BSWAP;
757 if (dev->ovfmt->wswap)
758 control |= SAA7134_RS_CONTROL_WSWAP;
759 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
760 saa_writel(SAA7134_RS_BA1(1),base);
761 saa_writel(SAA7134_RS_BA2(1),base+bpl);
762 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
763 saa_writel(SAA7134_RS_CONTROL(1),control);
765 saa_writel(SAA7134_RS_BA1(1),base);
766 saa_writel(SAA7134_RS_BA2(1),base);
767 saa_writel(SAA7134_RS_PITCH(1),bpl);
768 saa_writel(SAA7134_RS_CONTROL(1),control);
773 saa7134_set_dmabits(dev);
778 static int stop_preview(struct saa7134_dev *dev)
781 saa7134_set_dmabits(dev);
785 /* ------------------------------------------------------------------ */
787 static int buffer_activate(struct saa7134_dev *dev,
788 struct saa7134_buf *buf,
789 struct saa7134_buf *next)
791 struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_queue->drv_priv;
792 unsigned long base,control,bpl;
793 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
795 dprintk("buffer_activate buf=%p\n",buf);
798 set_size(dev, TASK_A, dev->width, dev->height,
799 V4L2_FIELD_HAS_BOTH(dev->field));
801 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
803 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
804 saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
806 /* DMA: setup channel 0 (= Video Task A0) */
807 base = saa7134_buffer_base(buf);
808 if (dev->fmt->planar)
811 bpl = (dev->width * dev->fmt->depth) / 8;
812 control = SAA7134_RS_CONTROL_BURST_16 |
813 SAA7134_RS_CONTROL_ME |
814 (dmaq->pt.dma >> 12);
816 control |= SAA7134_RS_CONTROL_BSWAP;
818 control |= SAA7134_RS_CONTROL_WSWAP;
819 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
821 saa_writel(SAA7134_RS_BA1(0),base);
822 saa_writel(SAA7134_RS_BA2(0),base+bpl);
823 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
826 saa_writel(SAA7134_RS_BA1(0),base);
827 saa_writel(SAA7134_RS_BA2(0),base);
828 saa_writel(SAA7134_RS_PITCH(0),bpl);
830 saa_writel(SAA7134_RS_CONTROL(0),control);
832 if (dev->fmt->planar) {
833 /* DMA: setup channel 4+5 (= planar task A) */
834 bpl_uv = bpl >> dev->fmt->hshift;
835 lines_uv = dev->height >> dev->fmt->vshift;
836 base2 = base + bpl * dev->height;
837 base3 = base2 + bpl_uv * lines_uv;
838 if (dev->fmt->uvswap)
839 tmp = base2, base2 = base3, base3 = tmp;
840 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
841 bpl_uv,lines_uv,base2,base3);
842 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
844 saa_writel(SAA7134_RS_BA1(4),base2);
845 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
846 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
847 saa_writel(SAA7134_RS_BA1(5),base3);
848 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
849 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
852 saa_writel(SAA7134_RS_BA1(4),base2);
853 saa_writel(SAA7134_RS_BA2(4),base2);
854 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
855 saa_writel(SAA7134_RS_BA1(5),base3);
856 saa_writel(SAA7134_RS_BA2(5),base3);
857 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
859 saa_writel(SAA7134_RS_CONTROL(4),control);
860 saa_writel(SAA7134_RS_CONTROL(5),control);
864 saa7134_set_dmabits(dev);
865 mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
869 static int buffer_init(struct vb2_buffer *vb2)
871 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
872 struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
875 buf->activate = buffer_activate;
879 static int buffer_prepare(struct vb2_buffer *vb2)
881 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
882 struct saa7134_dev *dev = dmaq->dev;
883 struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
884 struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
887 if (dma->sgl->offset) {
888 pr_err("The buffer is not page-aligned\n");
891 size = (dev->width * dev->height * dev->fmt->depth) >> 3;
892 if (vb2_plane_size(vb2, 0) < size)
895 vb2_set_plane_payload(vb2, 0, size);
896 vb2->v4l2_buf.field = dev->field;
898 return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
899 saa7134_buffer_startpage(buf));
902 static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
903 unsigned int *nbuffers, unsigned int *nplanes,
904 unsigned int sizes[], void *alloc_ctxs[])
906 struct saa7134_dmaqueue *dmaq = q->drv_priv;
907 struct saa7134_dev *dev = dmaq->dev;
908 int size = dev->fmt->depth * dev->width * dev->height >> 3;
910 if (dev->width < 48 ||
912 dev->width/4 > dev->crop_current.width ||
913 dev->height/4 > dev->crop_current.height ||
914 dev->width > dev->crop_bounds.width ||
915 dev->height > dev->crop_bounds.height)
918 *nbuffers = saa7134_buffer_count(size, *nbuffers);
921 alloc_ctxs[0] = dev->alloc_ctx;
926 * move buffer to hardware queue
928 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
930 struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
931 struct saa7134_dev *dev = dmaq->dev;
932 struct saa7134_buf *buf = container_of(vb, struct saa7134_buf, vb2);
934 saa7134_buffer_queue(dev, dmaq, buf);
936 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
938 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
940 struct saa7134_dmaqueue *dmaq = vq->drv_priv;
941 struct saa7134_dev *dev = dmaq->dev;
944 * Planar video capture and TS share the same DMA channel,
945 * so only one can be active at a time.
947 if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
948 dmaq == &dev->video_q && dev->fmt->planar) {
949 struct saa7134_buf *buf, *tmp;
951 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
952 list_del(&buf->entry);
953 vb2_buffer_done(&buf->vb2, VB2_BUF_STATE_QUEUED);
956 vb2_buffer_done(&dmaq->curr->vb2, VB2_BUF_STATE_QUEUED);
962 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
963 * configured conservatively, there's 22 usec of buffering for video.
964 * We therefore request a DMA latency of 20 usec, giving us 2 usec of
965 * margin in case the FIFO is configured differently to the datasheet.
966 * Unfortunately, I lack register-level documentation to check the
967 * Linux FIFO setup and confirm the perfect value.
969 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
970 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
971 pm_qos_add_request(&dev->qos_request,
972 PM_QOS_CPU_DMA_LATENCY, 20);
978 void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
980 struct saa7134_dmaqueue *dmaq = vq->drv_priv;
981 struct saa7134_dev *dev = dmaq->dev;
983 saa7134_stop_streaming(dev, dmaq);
985 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
986 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
987 pm_qos_remove_request(&dev->qos_request);
990 static struct vb2_ops vb2_qops = {
991 .queue_setup = queue_setup,
992 .buf_init = buffer_init,
993 .buf_prepare = buffer_prepare,
994 .buf_queue = saa7134_vb2_buffer_queue,
995 .wait_prepare = vb2_ops_wait_prepare,
996 .wait_finish = vb2_ops_wait_finish,
997 .start_streaming = saa7134_vb2_start_streaming,
998 .stop_streaming = saa7134_vb2_stop_streaming,
1001 /* ------------------------------------------------------------------ */
1003 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
1005 struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
1006 unsigned long flags;
1007 int restart_overlay = 0;
1010 case V4L2_CID_BRIGHTNESS:
1011 dev->ctl_bright = ctrl->val;
1012 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
1015 dev->ctl_hue = ctrl->val;
1016 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
1018 case V4L2_CID_CONTRAST:
1019 dev->ctl_contrast = ctrl->val;
1020 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1021 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1023 case V4L2_CID_SATURATION:
1024 dev->ctl_saturation = ctrl->val;
1025 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1026 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1028 case V4L2_CID_AUDIO_MUTE:
1029 dev->ctl_mute = ctrl->val;
1030 saa7134_tvaudio_setmute(dev);
1032 case V4L2_CID_AUDIO_VOLUME:
1033 dev->ctl_volume = ctrl->val;
1034 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1036 case V4L2_CID_PRIVATE_INVERT:
1037 dev->ctl_invert = ctrl->val;
1038 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1039 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1040 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1041 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1043 case V4L2_CID_HFLIP:
1044 dev->ctl_mirror = ctrl->val;
1045 restart_overlay = 1;
1047 case V4L2_CID_PRIVATE_Y_EVEN:
1048 dev->ctl_y_even = ctrl->val;
1049 restart_overlay = 1;
1051 case V4L2_CID_PRIVATE_Y_ODD:
1052 dev->ctl_y_odd = ctrl->val;
1053 restart_overlay = 1;
1055 case V4L2_CID_PRIVATE_AUTOMUTE:
1057 struct v4l2_priv_tun_config tda9887_cfg;
1059 tda9887_cfg.tuner = TUNER_TDA9887;
1060 tda9887_cfg.priv = &dev->tda9887_conf;
1062 dev->ctl_automute = ctrl->val;
1063 if (dev->tda9887_conf) {
1064 if (dev->ctl_automute)
1065 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1067 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1069 saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1076 if (restart_overlay && dev->overlay_owner) {
1077 spin_lock_irqsave(&dev->slock, flags);
1080 spin_unlock_irqrestore(&dev->slock, flags);
1085 /* ------------------------------------------------------------------ */
1087 static int video_open(struct file *file)
1089 struct video_device *vdev = video_devdata(file);
1090 struct saa7134_dev *dev = video_drvdata(file);
1091 int ret = v4l2_fh_open(file);
1096 mutex_lock(&dev->lock);
1097 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1098 /* switch to radio mode */
1099 saa7134_tvaudio_setinput(dev, &card(dev).radio);
1100 saa_call_all(dev, tuner, s_radio);
1102 /* switch to video/vbi mode */
1103 video_mux(dev, dev->ctl_input);
1105 mutex_unlock(&dev->lock);
1110 static int video_release(struct file *file)
1112 struct video_device *vdev = video_devdata(file);
1113 struct saa7134_dev *dev = video_drvdata(file);
1114 struct v4l2_fh *fh = file->private_data;
1115 struct saa6588_command cmd;
1116 unsigned long flags;
1118 mutex_lock(&dev->lock);
1119 saa7134_tvaudio_close(dev);
1121 /* turn off overlay */
1122 if (fh == dev->overlay_owner) {
1123 spin_lock_irqsave(&dev->slock,flags);
1125 spin_unlock_irqrestore(&dev->slock,flags);
1126 dev->overlay_owner = NULL;
1129 if (vdev->vfl_type == VFL_TYPE_RADIO)
1130 v4l2_fh_release(file);
1132 _vb2_fop_release(file, NULL);
1134 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1135 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1136 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1137 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1138 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1140 saa_call_all(dev, core, s_power, 0);
1141 if (vdev->vfl_type == VFL_TYPE_RADIO)
1142 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1143 mutex_unlock(&dev->lock);
1148 static ssize_t radio_read(struct file *file, char __user *data,
1149 size_t count, loff_t *ppos)
1151 struct saa7134_dev *dev = video_drvdata(file);
1152 struct saa6588_command cmd;
1154 cmd.block_count = count/3;
1155 cmd.nonblocking = file->f_flags & O_NONBLOCK;
1157 cmd.instance = file;
1158 cmd.result = -ENODEV;
1160 mutex_lock(&dev->lock);
1161 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1162 mutex_unlock(&dev->lock);
1167 static unsigned int radio_poll(struct file *file, poll_table *wait)
1169 struct saa7134_dev *dev = video_drvdata(file);
1170 struct saa6588_command cmd;
1171 unsigned int rc = v4l2_ctrl_poll(file, wait);
1173 cmd.instance = file;
1174 cmd.event_list = wait;
1176 mutex_lock(&dev->lock);
1177 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1178 mutex_unlock(&dev->lock);
1180 return rc | cmd.result;
1183 /* ------------------------------------------------------------------ */
1185 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1186 struct v4l2_format *f)
1188 struct saa7134_dev *dev = video_drvdata(file);
1189 struct saa7134_tvnorm *norm = dev->tvnorm;
1191 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1192 f->fmt.vbi.sampling_rate = 6750000 * 4;
1193 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1194 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1195 f->fmt.vbi.offset = 64 * 4;
1196 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1197 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1198 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1199 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1200 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1205 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1206 struct v4l2_format *f)
1208 struct saa7134_dev *dev = video_drvdata(file);
1210 f->fmt.pix.width = dev->width;
1211 f->fmt.pix.height = dev->height;
1212 f->fmt.pix.field = dev->field;
1213 f->fmt.pix.pixelformat = dev->fmt->fourcc;
1214 f->fmt.pix.bytesperline =
1215 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1216 f->fmt.pix.sizeimage =
1217 f->fmt.pix.height * f->fmt.pix.bytesperline;
1218 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1222 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1223 struct v4l2_format *f)
1225 struct saa7134_dev *dev = video_drvdata(file);
1226 struct v4l2_clip __user *clips = f->fmt.win.clips;
1227 u32 clipcount = f->fmt.win.clipcount;
1231 if (saa7134_no_overlay > 0) {
1232 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1235 f->fmt.win = dev->win;
1236 f->fmt.win.clips = clips;
1239 if (dev->nclips < clipcount)
1240 clipcount = dev->nclips;
1241 f->fmt.win.clipcount = clipcount;
1243 for (i = 0; !err && i < clipcount; i++) {
1244 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1245 sizeof(struct v4l2_rect)))
1252 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1253 struct v4l2_format *f)
1255 struct saa7134_dev *dev = video_drvdata(file);
1256 struct saa7134_format *fmt;
1257 enum v4l2_field field;
1258 unsigned int maxw, maxh;
1260 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1264 field = f->fmt.pix.field;
1265 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1266 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1268 if (V4L2_FIELD_ANY == field) {
1269 field = (f->fmt.pix.height > maxh/2)
1270 ? V4L2_FIELD_INTERLACED
1271 : V4L2_FIELD_BOTTOM;
1274 case V4L2_FIELD_TOP:
1275 case V4L2_FIELD_BOTTOM:
1279 field = V4L2_FIELD_INTERLACED;
1283 f->fmt.pix.field = field;
1284 if (f->fmt.pix.width < 48)
1285 f->fmt.pix.width = 48;
1286 if (f->fmt.pix.height < 32)
1287 f->fmt.pix.height = 32;
1288 if (f->fmt.pix.width > maxw)
1289 f->fmt.pix.width = maxw;
1290 if (f->fmt.pix.height > maxh)
1291 f->fmt.pix.height = maxh;
1292 f->fmt.pix.width &= ~0x03;
1293 f->fmt.pix.bytesperline =
1294 (f->fmt.pix.width * fmt->depth) >> 3;
1295 f->fmt.pix.sizeimage =
1296 f->fmt.pix.height * f->fmt.pix.bytesperline;
1297 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1302 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1303 struct v4l2_format *f)
1305 struct saa7134_dev *dev = video_drvdata(file);
1307 if (saa7134_no_overlay > 0) {
1308 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1312 if (f->fmt.win.clips == NULL)
1313 f->fmt.win.clipcount = 0;
1314 return verify_preview(dev, &f->fmt.win, true);
1317 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1318 struct v4l2_format *f)
1320 struct saa7134_dev *dev = video_drvdata(file);
1323 err = saa7134_try_fmt_vid_cap(file, priv, f);
1327 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1328 dev->width = f->fmt.pix.width;
1329 dev->height = f->fmt.pix.height;
1330 dev->field = f->fmt.pix.field;
1334 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1335 struct v4l2_format *f)
1337 struct saa7134_dev *dev = video_drvdata(file);
1339 unsigned long flags;
1341 if (saa7134_no_overlay > 0) {
1342 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1345 if (f->fmt.win.clips == NULL)
1346 f->fmt.win.clipcount = 0;
1347 err = verify_preview(dev, &f->fmt.win, true);
1351 dev->win = f->fmt.win;
1352 dev->nclips = f->fmt.win.clipcount;
1354 if (copy_from_user(dev->clips, f->fmt.win.clips,
1355 sizeof(struct v4l2_clip) * dev->nclips))
1358 if (priv == dev->overlay_owner) {
1359 spin_lock_irqsave(&dev->slock, flags);
1362 spin_unlock_irqrestore(&dev->slock, flags);
1368 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1370 struct saa7134_dev *dev = video_drvdata(file);
1374 if (n >= SAA7134_INPUT_MAX)
1376 if (NULL == card_in(dev, i->index).name)
1379 i->type = V4L2_INPUT_TYPE_CAMERA;
1380 strcpy(i->name, card_in(dev, n).name);
1381 if (card_in(dev, n).tv)
1382 i->type = V4L2_INPUT_TYPE_TUNER;
1383 if (n == dev->ctl_input) {
1384 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1385 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1387 if (0 != (v1 & 0x40))
1388 i->status |= V4L2_IN_ST_NO_H_LOCK;
1389 if (0 != (v2 & 0x40))
1390 i->status |= V4L2_IN_ST_NO_SIGNAL;
1391 if (0 != (v2 & 0x0e))
1392 i->status |= V4L2_IN_ST_MACROVISION;
1394 i->std = SAA7134_NORMS;
1397 EXPORT_SYMBOL_GPL(saa7134_enum_input);
1399 int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1401 struct saa7134_dev *dev = video_drvdata(file);
1403 *i = dev->ctl_input;
1406 EXPORT_SYMBOL_GPL(saa7134_g_input);
1408 int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1410 struct saa7134_dev *dev = video_drvdata(file);
1412 if (i >= SAA7134_INPUT_MAX)
1414 if (NULL == card_in(dev, i).name)
1419 EXPORT_SYMBOL_GPL(saa7134_s_input);
1421 int saa7134_querycap(struct file *file, void *priv,
1422 struct v4l2_capability *cap)
1424 struct saa7134_dev *dev = video_drvdata(file);
1425 struct video_device *vdev = video_devdata(file);
1426 u32 radio_caps, video_caps, vbi_caps;
1428 unsigned int tuner_type = dev->tuner_type;
1430 strcpy(cap->driver, "saa7134");
1431 strlcpy(cap->card, saa7134_boards[dev->board].name,
1433 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1435 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1436 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1437 cap->device_caps |= V4L2_CAP_TUNER;
1439 radio_caps = V4L2_CAP_RADIO;
1441 radio_caps |= V4L2_CAP_RDS_CAPTURE;
1443 video_caps = V4L2_CAP_VIDEO_CAPTURE;
1444 if (saa7134_no_overlay <= 0 && !is_empress(file))
1445 video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1447 vbi_caps = V4L2_CAP_VBI_CAPTURE;
1449 switch (vdev->vfl_type) {
1450 case VFL_TYPE_RADIO:
1451 cap->device_caps |= radio_caps;
1453 case VFL_TYPE_GRABBER:
1454 cap->device_caps |= video_caps;
1457 cap->device_caps |= vbi_caps;
1460 cap->capabilities = radio_caps | video_caps | vbi_caps |
1461 cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1462 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1463 cap->device_caps &= ~V4L2_CAP_STREAMING;
1465 cap->device_caps &= ~V4L2_CAP_READWRITE;
1470 EXPORT_SYMBOL_GPL(saa7134_querycap);
1472 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1474 struct saa7134_dev *dev = video_drvdata(file);
1475 struct v4l2_fh *fh = priv;
1476 unsigned long flags;
1480 if (is_empress(file) && dev->overlay_owner) {
1481 /* Don't change the std from the mpeg device
1482 if overlay is active. */
1486 for (i = 0; i < TVNORMS; i++)
1487 if (id == tvnorms[i].id)
1491 for (i = 0; i < TVNORMS; i++)
1492 if (id & tvnorms[i].id)
1497 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1498 if (secam[0] == 'L' || secam[0] == 'l') {
1499 if (secam[1] == 'C' || secam[1] == 'c')
1500 fixup = V4L2_STD_SECAM_LC;
1502 fixup = V4L2_STD_SECAM_L;
1504 if (secam[0] == 'D' || secam[0] == 'd')
1505 fixup = V4L2_STD_SECAM_DK;
1507 fixup = V4L2_STD_SECAM;
1509 for (i = 0; i < TVNORMS; i++) {
1510 if (fixup == tvnorms[i].id)
1519 if (!is_empress(file) && fh == dev->overlay_owner) {
1520 spin_lock_irqsave(&dev->slock, flags);
1522 spin_unlock_irqrestore(&dev->slock, flags);
1524 set_tvnorm(dev, &tvnorms[i]);
1526 spin_lock_irqsave(&dev->slock, flags);
1528 spin_unlock_irqrestore(&dev->slock, flags);
1530 set_tvnorm(dev, &tvnorms[i]);
1532 saa7134_tvaudio_do_scan(dev);
1535 EXPORT_SYMBOL_GPL(saa7134_s_std);
1537 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1539 struct saa7134_dev *dev = video_drvdata(file);
1541 *id = dev->tvnorm->id;
1544 EXPORT_SYMBOL_GPL(saa7134_g_std);
1546 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1548 static v4l2_std_id stds[] = {
1554 v4l2_std_id result = 0;
1556 u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1557 u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1559 if (!(st2 & 0x1)) /* RDCAP == 0 */
1560 result = V4L2_STD_UNKNOWN;
1562 result = stds[st1 & 0x03];
1567 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1569 struct saa7134_dev *dev = video_drvdata(file);
1570 *std &= saa7134_read_std(dev);
1573 EXPORT_SYMBOL_GPL(saa7134_querystd);
1575 static int saa7134_cropcap(struct file *file, void *priv,
1576 struct v4l2_cropcap *cap)
1578 struct saa7134_dev *dev = video_drvdata(file);
1580 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1581 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1583 cap->bounds = dev->crop_bounds;
1584 cap->defrect = dev->crop_defrect;
1585 cap->pixelaspect.numerator = 1;
1586 cap->pixelaspect.denominator = 1;
1587 if (dev->tvnorm->id & V4L2_STD_525_60) {
1588 cap->pixelaspect.numerator = 11;
1589 cap->pixelaspect.denominator = 10;
1591 if (dev->tvnorm->id & V4L2_STD_625_50) {
1592 cap->pixelaspect.numerator = 54;
1593 cap->pixelaspect.denominator = 59;
1598 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1600 struct saa7134_dev *dev = video_drvdata(file);
1602 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1603 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1605 crop->c = dev->crop_current;
1609 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
1611 struct saa7134_dev *dev = video_drvdata(file);
1612 struct v4l2_rect *b = &dev->crop_bounds;
1613 struct v4l2_rect *c = &dev->crop_current;
1615 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1616 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1619 if (dev->overlay_owner)
1621 if (vb2_is_streaming(&dev->video_vbq))
1625 if (c->top < b->top)
1627 if (c->top > b->top + b->height)
1628 c->top = b->top + b->height;
1629 if (c->height > b->top - c->top + b->height)
1630 c->height = b->top - c->top + b->height;
1632 if (c->left < b->left)
1634 if (c->left > b->left + b->width)
1635 c->left = b->left + b->width;
1636 if (c->width > b->left - c->left + b->width)
1637 c->width = b->left - c->left + b->width;
1641 int saa7134_g_tuner(struct file *file, void *priv,
1642 struct v4l2_tuner *t)
1644 struct saa7134_dev *dev = video_drvdata(file);
1649 memset(t, 0, sizeof(*t));
1650 for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1651 if (card_in(dev, n).tv)
1654 if (n == SAA7134_INPUT_MAX)
1656 if (NULL != card_in(dev, n).name) {
1657 strcpy(t->name, "Television");
1658 t->type = V4L2_TUNER_ANALOG_TV;
1659 saa_call_all(dev, tuner, g_tuner, t);
1660 t->capability = V4L2_TUNER_CAP_NORM |
1661 V4L2_TUNER_CAP_STEREO |
1662 V4L2_TUNER_CAP_LANG1 |
1663 V4L2_TUNER_CAP_LANG2;
1664 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1665 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1667 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1671 EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1673 int saa7134_s_tuner(struct file *file, void *priv,
1674 const struct v4l2_tuner *t)
1676 struct saa7134_dev *dev = video_drvdata(file);
1682 mode = dev->thread.mode;
1683 if (UNSET == mode) {
1684 rx = saa7134_tvaudio_getstereo(dev);
1685 mode = saa7134_tvaudio_rx2mode(rx);
1687 if (mode != t->audmode)
1688 dev->thread.mode = t->audmode;
1692 EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1694 int saa7134_g_frequency(struct file *file, void *priv,
1695 struct v4l2_frequency *f)
1697 struct saa7134_dev *dev = video_drvdata(file);
1702 saa_call_all(dev, tuner, g_frequency, f);
1706 EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1708 int saa7134_s_frequency(struct file *file, void *priv,
1709 const struct v4l2_frequency *f)
1711 struct saa7134_dev *dev = video_drvdata(file);
1716 saa_call_all(dev, tuner, s_frequency, f);
1718 saa7134_tvaudio_do_scan(dev);
1721 EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1723 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
1724 struct v4l2_fmtdesc *f)
1726 if (f->index >= FORMATS)
1729 strlcpy(f->description, formats[f->index].name,
1730 sizeof(f->description));
1732 f->pixelformat = formats[f->index].fourcc;
1737 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
1738 struct v4l2_fmtdesc *f)
1740 if (saa7134_no_overlay > 0) {
1741 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1745 if ((f->index >= FORMATS) || formats[f->index].planar)
1748 strlcpy(f->description, formats[f->index].name,
1749 sizeof(f->description));
1751 f->pixelformat = formats[f->index].fourcc;
1756 static int saa7134_g_fbuf(struct file *file, void *f,
1757 struct v4l2_framebuffer *fb)
1759 struct saa7134_dev *dev = video_drvdata(file);
1762 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1767 static int saa7134_s_fbuf(struct file *file, void *f,
1768 const struct v4l2_framebuffer *fb)
1770 struct saa7134_dev *dev = video_drvdata(file);
1771 struct saa7134_format *fmt;
1773 if (!capable(CAP_SYS_ADMIN) &&
1774 !capable(CAP_SYS_RAWIO))
1778 fmt = format_by_fourcc(fb->fmt.pixelformat);
1785 if (0 == dev->ovbuf.fmt.bytesperline)
1786 dev->ovbuf.fmt.bytesperline =
1787 dev->ovbuf.fmt.width*fmt->depth/8;
1791 static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
1793 struct saa7134_dev *dev = video_drvdata(file);
1794 unsigned long flags;
1797 if (saa7134_no_overlay > 0) {
1798 dprintk("no_overlay\n");
1802 if (dev->overlay_owner && priv != dev->overlay_owner)
1804 dev->overlay_owner = priv;
1805 spin_lock_irqsave(&dev->slock, flags);
1807 spin_unlock_irqrestore(&dev->slock, flags);
1810 if (priv != dev->overlay_owner)
1812 spin_lock_irqsave(&dev->slock, flags);
1814 spin_unlock_irqrestore(&dev->slock, flags);
1815 dev->overlay_owner = NULL;
1820 #ifdef CONFIG_VIDEO_ADV_DEBUG
1821 static int vidioc_g_register (struct file *file, void *priv,
1822 struct v4l2_dbg_register *reg)
1824 struct saa7134_dev *dev = video_drvdata(file);
1826 reg->val = saa_readb(reg->reg & 0xffffff);
1831 static int vidioc_s_register (struct file *file, void *priv,
1832 const struct v4l2_dbg_register *reg)
1834 struct saa7134_dev *dev = video_drvdata(file);
1836 saa_writeb(reg->reg & 0xffffff, reg->val);
1841 static int radio_g_tuner(struct file *file, void *priv,
1842 struct v4l2_tuner *t)
1844 struct saa7134_dev *dev = video_drvdata(file);
1849 strcpy(t->name, "Radio");
1851 saa_call_all(dev, tuner, g_tuner, t);
1852 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1853 if (dev->input->amux == TV) {
1854 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1855 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1856 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1860 static int radio_s_tuner(struct file *file, void *priv,
1861 const struct v4l2_tuner *t)
1863 struct saa7134_dev *dev = video_drvdata(file);
1868 saa_call_all(dev, tuner, s_tuner, t);
1872 static const struct v4l2_file_operations video_fops =
1874 .owner = THIS_MODULE,
1876 .release = video_release,
1877 .read = vb2_fop_read,
1878 .poll = vb2_fop_poll,
1879 .mmap = vb2_fop_mmap,
1880 .unlocked_ioctl = video_ioctl2,
1883 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1884 .vidioc_querycap = saa7134_querycap,
1885 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap,
1886 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
1887 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
1888 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
1889 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay,
1890 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay,
1891 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay,
1892 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay,
1893 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1894 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1895 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1896 .vidioc_cropcap = saa7134_cropcap,
1897 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1898 .vidioc_querybuf = vb2_ioctl_querybuf,
1899 .vidioc_qbuf = vb2_ioctl_qbuf,
1900 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1901 .vidioc_s_std = saa7134_s_std,
1902 .vidioc_g_std = saa7134_g_std,
1903 .vidioc_querystd = saa7134_querystd,
1904 .vidioc_enum_input = saa7134_enum_input,
1905 .vidioc_g_input = saa7134_g_input,
1906 .vidioc_s_input = saa7134_s_input,
1907 .vidioc_streamon = vb2_ioctl_streamon,
1908 .vidioc_streamoff = vb2_ioctl_streamoff,
1909 .vidioc_g_tuner = saa7134_g_tuner,
1910 .vidioc_s_tuner = saa7134_s_tuner,
1911 .vidioc_g_crop = saa7134_g_crop,
1912 .vidioc_s_crop = saa7134_s_crop,
1913 .vidioc_g_fbuf = saa7134_g_fbuf,
1914 .vidioc_s_fbuf = saa7134_s_fbuf,
1915 .vidioc_overlay = saa7134_overlay,
1916 .vidioc_g_frequency = saa7134_g_frequency,
1917 .vidioc_s_frequency = saa7134_s_frequency,
1918 #ifdef CONFIG_VIDEO_ADV_DEBUG
1919 .vidioc_g_register = vidioc_g_register,
1920 .vidioc_s_register = vidioc_s_register,
1922 .vidioc_log_status = v4l2_ctrl_log_status,
1923 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1924 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1927 static const struct v4l2_file_operations radio_fops = {
1928 .owner = THIS_MODULE,
1931 .release = video_release,
1932 .unlocked_ioctl = video_ioctl2,
1936 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1937 .vidioc_querycap = saa7134_querycap,
1938 .vidioc_g_tuner = radio_g_tuner,
1939 .vidioc_s_tuner = radio_s_tuner,
1940 .vidioc_g_frequency = saa7134_g_frequency,
1941 .vidioc_s_frequency = saa7134_s_frequency,
1942 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1943 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1946 /* ----------------------------------------------------------- */
1947 /* exported stuff */
1949 struct video_device saa7134_video_template = {
1950 .name = "saa7134-video",
1951 .fops = &video_fops,
1952 .ioctl_ops = &video_ioctl_ops,
1953 .tvnorms = SAA7134_NORMS,
1956 struct video_device saa7134_radio_template = {
1957 .name = "saa7134-radio",
1958 .fops = &radio_fops,
1959 .ioctl_ops = &radio_ioctl_ops,
1962 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
1963 .s_ctrl = saa7134_s_ctrl,
1966 static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
1967 .ops = &saa7134_ctrl_ops,
1968 .id = V4L2_CID_PRIVATE_INVERT,
1970 .type = V4L2_CTRL_TYPE_BOOLEAN,
1976 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
1977 .ops = &saa7134_ctrl_ops,
1978 .id = V4L2_CID_PRIVATE_Y_ODD,
1979 .name = "Y Offset Odd Field",
1980 .type = V4L2_CTRL_TYPE_INTEGER,
1986 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
1987 .ops = &saa7134_ctrl_ops,
1988 .id = V4L2_CID_PRIVATE_Y_EVEN,
1989 .name = "Y Offset Even Field",
1990 .type = V4L2_CTRL_TYPE_INTEGER,
1996 static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
1997 .ops = &saa7134_ctrl_ops,
1998 .id = V4L2_CID_PRIVATE_AUTOMUTE,
2000 .type = V4L2_CTRL_TYPE_BOOLEAN,
2007 int saa7134_video_init1(struct saa7134_dev *dev)
2009 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
2010 struct vb2_queue *q;
2013 /* sanitycheck insmod options */
2014 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2016 if (gbufsize > gbufsize_max)
2017 gbufsize = gbufsize_max;
2018 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2020 v4l2_ctrl_handler_init(hdl, 11);
2021 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2022 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2023 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2024 V4L2_CID_CONTRAST, 0, 127, 1, 68);
2025 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2026 V4L2_CID_SATURATION, 0, 127, 1, 64);
2027 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2028 V4L2_CID_HUE, -128, 127, 1, 0);
2029 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2030 V4L2_CID_HFLIP, 0, 1, 1, 0);
2031 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2032 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
2033 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2034 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
2035 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
2036 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
2037 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
2038 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
2041 if (card_has_radio(dev)) {
2042 hdl = &dev->radio_ctrl_handler;
2043 v4l2_ctrl_handler_init(hdl, 2);
2044 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2045 v4l2_ctrl_radio_filter);
2051 if (dev->tda9887_conf && saa7134_ctrl_automute.def)
2052 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2055 INIT_LIST_HEAD(&dev->video_q.queue);
2056 init_timer(&dev->video_q.timeout);
2057 dev->video_q.timeout.function = saa7134_buffer_timeout;
2058 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2059 dev->video_q.dev = dev;
2060 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2063 dev->field = V4L2_FIELD_INTERLACED;
2064 dev->win.w.width = dev->width;
2065 dev->win.w.height = dev->height;
2066 dev->win.field = V4L2_FIELD_INTERLACED;
2067 dev->ovbuf.fmt.width = dev->width;
2068 dev->ovbuf.fmt.height = dev->height;
2069 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2070 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2072 if (saa7134_boards[dev->board].video_out)
2073 saa7134_videoport_init(dev);
2075 q = &dev->video_vbq;
2076 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2078 * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
2079 * engine cannot handle transfers that do not start at the beginning
2080 * of a page. A user-provided pointer can start anywhere in a page, so
2081 * USERPTR support is a no-go unless the application knows about these
2082 * limitations and has special support for this.
2084 q->io_modes = VB2_MMAP | VB2_READ;
2085 if (saa7134_userptr)
2086 q->io_modes |= VB2_USERPTR;
2087 q->drv_priv = &dev->video_q;
2089 q->gfp_flags = GFP_DMA32;
2090 q->mem_ops = &vb2_dma_sg_memops;
2091 q->buf_struct_size = sizeof(struct saa7134_buf);
2092 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2093 q->lock = &dev->lock;
2094 ret = vb2_queue_init(q);
2097 saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
2100 q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
2101 /* Don't add VB2_USERPTR, see comment above */
2102 q->io_modes = VB2_MMAP | VB2_READ;
2103 if (saa7134_userptr)
2104 q->io_modes |= VB2_USERPTR;
2105 q->drv_priv = &dev->vbi_q;
2106 q->ops = &saa7134_vbi_qops;
2107 q->gfp_flags = GFP_DMA32;
2108 q->mem_ops = &vb2_dma_sg_memops;
2109 q->buf_struct_size = sizeof(struct saa7134_buf);
2110 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2111 q->lock = &dev->lock;
2112 ret = vb2_queue_init(q);
2115 saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
2120 void saa7134_video_fini(struct saa7134_dev *dev)
2123 vb2_queue_release(&dev->video_vbq);
2124 saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
2125 vb2_queue_release(&dev->vbi_vbq);
2126 saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
2127 v4l2_ctrl_handler_free(&dev->ctrl_handler);
2128 if (card_has_radio(dev))
2129 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
2132 int saa7134_videoport_init(struct saa7134_dev *dev)
2134 /* enable video output */
2135 int vo = saa7134_boards[dev->board].video_out;
2137 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2139 /* Configure videoport */
2140 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2141 video_reg = video_out[vo][1];
2142 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2143 video_reg &= ~VP_T_CODE_P_INVERTED;
2144 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2145 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2146 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2147 video_reg = video_out[vo][5];
2148 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2149 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2150 if (vid_port_opts & SET_CLOCK_INVERTED)
2151 video_reg |= VP_CLK_CTRL1_INVERTED;
2152 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2153 video_reg = video_out[vo][6];
2154 if (vid_port_opts & SET_VSYNC_OFF) {
2155 video_reg &= ~VP_VS_TYPE_MASK;
2156 video_reg |= VP_VS_TYPE_OFF;
2158 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2159 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2160 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2162 /* Start videoport */
2163 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2168 int saa7134_video_init2(struct saa7134_dev *dev)
2171 set_tvnorm(dev,&tvnorms[0]);
2173 v4l2_ctrl_handler_setup(&dev->ctrl_handler);
2174 saa7134_tvaudio_setmute(dev);
2175 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2179 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2181 static const char *st[] = {
2182 "(no signal)", "NTSC", "PAL", "SECAM" };
2185 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2186 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2187 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2188 (st1 & 0x40) ? "not locked" : "locked",
2189 (st2 & 0x40) ? "no" : "yes",
2191 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2193 if (dev->nosignal) {
2194 /* no video signal -> mute audio */
2195 if (dev->ctl_automute)
2197 saa7134_tvaudio_setmute(dev);
2199 /* wake up tvaudio audio carrier scan thread */
2200 saa7134_tvaudio_do_scan(dev);
2203 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2204 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2206 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2208 if (dev->mops && dev->mops->signal_change)
2209 dev->mops->signal_change(dev);
2213 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2215 enum v4l2_field field;
2217 spin_lock(&dev->slock);
2218 if (dev->video_q.curr) {
2220 if (V4L2_FIELD_HAS_BOTH(field)) {
2221 /* make sure we have seen both fields */
2222 if ((status & 0x10) == 0x00) {
2223 dev->video_q.curr->top_seen = 1;
2226 if (!dev->video_q.curr->top_seen)
2228 } else if (field == V4L2_FIELD_TOP) {
2229 if ((status & 0x10) != 0x10)
2231 } else if (field == V4L2_FIELD_BOTTOM) {
2232 if ((status & 0x10) != 0x00)
2235 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
2237 saa7134_buffer_next(dev, &dev->video_q);
2240 spin_unlock(&dev->slock);