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.
24 #include "saa7134-reg.h"
26 #include <linux/init.h>
27 #include <linux/list.h>
28 #include <linux/module.h>
29 #include <linux/kernel.h>
30 #include <linux/slab.h>
31 #include <linux/sort.h>
33 #include <media/v4l2-common.h>
34 #include <media/v4l2-event.h>
35 #include <media/saa6588.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 video_dbg(fmt, arg...) do { \
56 if (video_debug & 0x04) \
57 printk(KERN_DEBUG pr_fmt("video: " fmt), ## arg); \
60 /* ------------------------------------------------------------------ */
61 /* Defines for Video Output Port Register at address 0x191 */
63 /* Bit 0: VIP code T bit polarity */
65 #define VP_T_CODE_P_NON_INVERTED 0x00
66 #define VP_T_CODE_P_INVERTED 0x01
68 /* ------------------------------------------------------------------ */
69 /* Defines for Video Output Port Register at address 0x195 */
71 /* Bit 2: Video output clock delay control */
73 #define VP_CLK_CTRL2_NOT_DELAYED 0x00
74 #define VP_CLK_CTRL2_DELAYED 0x04
76 /* Bit 1: Video output clock invert control */
78 #define VP_CLK_CTRL1_NON_INVERTED 0x00
79 #define VP_CLK_CTRL1_INVERTED 0x02
81 /* ------------------------------------------------------------------ */
82 /* Defines for Video Output Port Register at address 0x196 */
84 /* Bits 2 to 0: VSYNC pin video vertical sync type */
86 #define VP_VS_TYPE_MASK 0x07
88 #define VP_VS_TYPE_OFF 0x00
89 #define VP_VS_TYPE_V123 0x01
90 #define VP_VS_TYPE_V_ITU 0x02
91 #define VP_VS_TYPE_VGATE_L 0x03
92 #define VP_VS_TYPE_RESERVED1 0x04
93 #define VP_VS_TYPE_RESERVED2 0x05
94 #define VP_VS_TYPE_F_ITU 0x06
95 #define VP_VS_TYPE_SC_FID 0x07
97 /* ------------------------------------------------------------------ */
98 /* data structs for video */
100 static int video_out[][9] = {
101 [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
104 static struct saa7134_format formats[] = {
106 .name = "8 bpp gray",
107 .fourcc = V4L2_PIX_FMT_GREY,
111 .name = "15 bpp RGB, le",
112 .fourcc = V4L2_PIX_FMT_RGB555,
116 .name = "15 bpp RGB, be",
117 .fourcc = V4L2_PIX_FMT_RGB555X,
122 .name = "16 bpp RGB, le",
123 .fourcc = V4L2_PIX_FMT_RGB565,
127 .name = "16 bpp RGB, be",
128 .fourcc = V4L2_PIX_FMT_RGB565X,
133 .name = "24 bpp RGB, le",
134 .fourcc = V4L2_PIX_FMT_BGR24,
138 .name = "24 bpp RGB, be",
139 .fourcc = V4L2_PIX_FMT_RGB24,
144 .name = "32 bpp RGB, le",
145 .fourcc = V4L2_PIX_FMT_BGR32,
149 .name = "32 bpp RGB, be",
150 .fourcc = V4L2_PIX_FMT_RGB32,
156 .name = "4:2:2 packed, YUYV",
157 .fourcc = V4L2_PIX_FMT_YUYV,
163 .name = "4:2:2 packed, UYVY",
164 .fourcc = V4L2_PIX_FMT_UYVY,
169 .name = "4:2:2 planar, Y-Cb-Cr",
170 .fourcc = V4L2_PIX_FMT_YUV422P,
178 .name = "4:2:0 planar, Y-Cb-Cr",
179 .fourcc = V4L2_PIX_FMT_YUV420,
187 .name = "4:2:0 planar, Y-Cb-Cr",
188 .fourcc = V4L2_PIX_FMT_YVU420,
198 #define FORMATS ARRAY_SIZE(formats)
200 #define NORM_625_50 \
203 .video_v_start = 24, \
204 .video_v_stop = 311, \
205 .vbi_v_start_0 = 7, \
206 .vbi_v_stop_0 = 23, \
207 .vbi_v_start_1 = 319, \
210 #define NORM_525_60 \
213 .video_v_start = 23, \
214 .video_v_stop = 262, \
215 .vbi_v_start_0 = 10, \
216 .vbi_v_stop_0 = 21, \
217 .vbi_v_start_1 = 273, \
220 static struct saa7134_tvnorm tvnorms[] = {
222 .name = "PAL", /* autodetect */
226 .sync_control = 0x18,
227 .luma_control = 0x40,
228 .chroma_ctrl1 = 0x81,
230 .chroma_ctrl2 = 0x06,
235 .id = V4L2_STD_PAL_BG,
238 .sync_control = 0x18,
239 .luma_control = 0x40,
240 .chroma_ctrl1 = 0x81,
242 .chroma_ctrl2 = 0x06,
247 .id = V4L2_STD_PAL_I,
250 .sync_control = 0x18,
251 .luma_control = 0x40,
252 .chroma_ctrl1 = 0x81,
254 .chroma_ctrl2 = 0x06,
259 .id = V4L2_STD_PAL_DK,
262 .sync_control = 0x18,
263 .luma_control = 0x40,
264 .chroma_ctrl1 = 0x81,
266 .chroma_ctrl2 = 0x06,
274 .sync_control = 0x59,
275 .luma_control = 0x40,
276 .chroma_ctrl1 = 0x89,
278 .chroma_ctrl2 = 0x0e,
283 .id = V4L2_STD_SECAM,
286 .sync_control = 0x18,
287 .luma_control = 0x1b,
288 .chroma_ctrl1 = 0xd1,
290 .chroma_ctrl2 = 0x00,
295 .id = V4L2_STD_SECAM_DK,
298 .sync_control = 0x18,
299 .luma_control = 0x1b,
300 .chroma_ctrl1 = 0xd1,
302 .chroma_ctrl2 = 0x00,
307 .id = V4L2_STD_SECAM_L,
310 .sync_control = 0x18,
311 .luma_control = 0x1b,
312 .chroma_ctrl1 = 0xd1,
314 .chroma_ctrl2 = 0x00,
319 .id = V4L2_STD_SECAM_LC,
322 .sync_control = 0x18,
323 .luma_control = 0x1b,
324 .chroma_ctrl1 = 0xd1,
326 .chroma_ctrl2 = 0x00,
331 .id = V4L2_STD_PAL_M,
334 .sync_control = 0x59,
335 .luma_control = 0x40,
336 .chroma_ctrl1 = 0xb9,
338 .chroma_ctrl2 = 0x0e,
343 .id = V4L2_STD_PAL_Nc,
346 .sync_control = 0x18,
347 .luma_control = 0x40,
348 .chroma_ctrl1 = 0xa1,
350 .chroma_ctrl2 = 0x06,
355 .id = V4L2_STD_PAL_60,
363 .vbi_v_start_1 = 273,
366 .sync_control = 0x18,
367 .luma_control = 0x40,
368 .chroma_ctrl1 = 0x81,
370 .chroma_ctrl2 = 0x06,
374 #define TVNORMS ARRAY_SIZE(tvnorms)
376 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
380 for (i = 0; i < FORMATS; i++)
381 if (formats[i].fourcc == fourcc)
386 /* ------------------------------------------------------------------ */
388 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
390 video_dbg("set tv norm = %s\n", norm->name);
394 dev->crop_bounds.left = norm->h_start;
395 dev->crop_defrect.left = norm->h_start;
396 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
397 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
399 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
400 dev->crop_defrect.top = norm->video_v_start*2;
401 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
402 - dev->crop_bounds.top;
403 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
405 dev->crop_current = dev->crop_defrect;
407 saa7134_set_tvnorm_hw(dev);
410 static void video_mux(struct saa7134_dev *dev, int input)
412 video_dbg("video input = %d [%s]\n", input, card_in(dev, input).name);
413 dev->ctl_input = input;
414 set_tvnorm(dev, dev->tvnorm);
415 saa7134_tvaudio_setinput(dev, &card_in(dev, input));
419 static void saa7134_set_decoder(struct saa7134_dev *dev)
421 int luma_control, sync_control, chroma_ctrl1, mux;
423 struct saa7134_tvnorm *norm = dev->tvnorm;
424 mux = card_in(dev, dev->ctl_input).vmux;
426 luma_control = norm->luma_control;
427 sync_control = norm->sync_control;
428 chroma_ctrl1 = norm->chroma_ctrl1;
431 luma_control |= 0x80; /* svideo */
432 if (noninterlaced || dev->nosignal)
433 sync_control |= 0x20;
435 /* switch on auto standard detection */
436 sync_control |= SAA7134_SYNC_CTRL_AUFD;
437 chroma_ctrl1 |= SAA7134_CHROMA_CTRL1_AUTO0;
438 chroma_ctrl1 &= ~SAA7134_CHROMA_CTRL1_FCTC;
439 luma_control &= ~SAA7134_LUMA_CTRL_LDEL;
441 /* setup video decoder */
442 saa_writeb(SAA7134_INCR_DELAY, 0x08);
443 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
444 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
446 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
447 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
448 saa_writeb(SAA7134_HSYNC_START, 0xeb);
449 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
450 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
452 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
453 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
454 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
456 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
457 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
459 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
460 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
462 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
463 saa_writeb(SAA7134_CHROMA_CTRL1, chroma_ctrl1);
464 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
466 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
467 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
469 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
470 saa_writeb(SAA7134_VGATE_START, 0x11);
471 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
472 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
473 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
474 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
477 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
479 saa7134_set_decoder(dev);
481 if (card_in(dev, dev->ctl_input).tv)
482 saa_call_all(dev, video, s_std, dev->tvnorm->id);
483 /* Set the correct norm for the saa6752hs. This function
484 does nothing if there is no saa6752hs. */
485 saa_call_empress(dev, video, s_std, dev->tvnorm->id);
488 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
490 static const struct {
497 /* XPSC XACL XC2_1 XDCG VPFY */
509 static const int count = ARRAY_SIZE(vals);
512 for (i = 0; i < count; i++)
513 if (vals[i].xpsc == prescale)
518 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
519 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
520 saa_writeb(SAA7134_LEVEL_CTRL(task),
521 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
522 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
523 (vals[i].vpfy << 2) | vals[i].vpfy);
526 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
530 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
531 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
533 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
536 video_dbg("yscale LPI yscale=%d\n", yscale);
537 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
538 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
539 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
542 val = 0x40 * 1024 / yscale;
543 video_dbg("yscale ACM yscale=%d val=0x%x\n", yscale, val);
544 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
545 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
546 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
548 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
551 static void set_size(struct saa7134_dev *dev, int task,
552 int width, int height, int interlace)
554 int prescale,xscale,yscale,y_even,y_odd;
555 int h_start, h_stop, v_start, v_stop;
556 int div = interlace ? 2 : 1;
558 /* setup video scaler */
559 h_start = dev->crop_current.left;
560 v_start = dev->crop_current.top/2;
561 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
562 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
564 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
565 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
566 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
567 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
568 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
569 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
570 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
571 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
573 prescale = dev->crop_current.width / width;
576 xscale = 1024 * dev->crop_current.width / prescale / width;
577 yscale = 512 * div * dev->crop_current.height / height;
578 video_dbg("prescale=%d xscale=%d yscale=%d\n",
579 prescale, xscale, yscale);
580 set_h_prescale(dev,task,prescale);
581 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
582 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
583 set_v_scale(dev,task,yscale);
585 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
586 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
587 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
588 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
590 /* deinterlace y offsets */
591 y_odd = dev->ctl_y_odd;
592 y_even = dev->ctl_y_even;
593 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
594 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
595 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
596 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
599 /* ------------------------------------------------------------------ */
607 static void set_cliplist(struct saa7134_dev *dev, int reg,
608 struct cliplist *cl, int entries, char *name)
613 for (i = 0; i < entries; i++) {
614 winbits |= cl[i].enable;
615 winbits &= ~cl[i].disable;
616 if (i < 15 && cl[i].position == cl[i+1].position)
618 saa_writeb(reg + 0, winbits);
619 saa_writeb(reg + 2, cl[i].position & 0xff);
620 saa_writeb(reg + 3, cl[i].position >> 8);
621 video_dbg("clip: %s winbits=%02x pos=%d\n",
622 name,winbits,cl[i].position);
625 for (; reg < 0x400; reg += 8) {
626 saa_writeb(reg+ 0, 0);
627 saa_writeb(reg + 1, 0);
628 saa_writeb(reg + 2, 0);
629 saa_writeb(reg + 3, 0);
633 static int clip_range(int val)
640 /* Sort into smallest position first order */
641 static int cliplist_cmp(const void *a, const void *b)
643 const struct cliplist *cla = a;
644 const struct cliplist *clb = b;
645 if (cla->position < clb->position)
647 if (cla->position > clb->position)
652 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
653 int nclips, int interlace)
655 struct cliplist col[16], row[16];
656 int cols = 0, rows = 0, i;
657 int div = interlace ? 2 : 1;
659 memset(col, 0, sizeof(col));
660 memset(row, 0, sizeof(row));
661 for (i = 0; i < nclips && i < 8; i++) {
662 col[cols].position = clip_range(clips[i].c.left);
663 col[cols].enable = (1 << i);
665 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
666 col[cols].disable = (1 << i);
668 row[rows].position = clip_range(clips[i].c.top / div);
669 row[rows].enable = (1 << i);
671 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
673 row[rows].disable = (1 << i);
676 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
677 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
678 set_cliplist(dev,0x380,col,cols,"cols");
679 set_cliplist(dev,0x384,row,rows,"rows");
683 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win, bool try)
685 enum v4l2_field field;
688 if (!try && (dev->ovbuf.base == NULL || dev->ovfmt == NULL))
690 if (win->w.width < 48)
692 if (win->w.height < 32)
694 if (win->clipcount > 8)
698 win->global_alpha = 0;
700 maxw = dev->crop_current.width;
701 maxh = dev->crop_current.height;
703 if (V4L2_FIELD_ANY == field) {
704 field = (win->w.height > maxh/2)
705 ? V4L2_FIELD_INTERLACED
710 case V4L2_FIELD_BOTTOM:
714 field = V4L2_FIELD_INTERLACED;
719 if (win->w.width > maxw)
721 if (win->w.height > maxh)
722 win->w.height = maxh;
726 static int start_preview(struct saa7134_dev *dev)
728 unsigned long base,control,bpl;
731 err = verify_preview(dev, &dev->win, false);
735 dev->ovfield = dev->win.field;
736 video_dbg("start_preview %dx%d+%d+%d %s field=%s\n",
737 dev->win.w.width, dev->win.w.height,
738 dev->win.w.left, dev->win.w.top,
739 dev->ovfmt->name, v4l2_field_names[dev->ovfield]);
741 /* setup window + clipping */
742 set_size(dev, TASK_B, dev->win.w.width, dev->win.w.height,
743 V4L2_FIELD_HAS_BOTH(dev->ovfield));
744 setup_clipping(dev, dev->clips, dev->nclips,
745 V4L2_FIELD_HAS_BOTH(dev->ovfield));
747 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
749 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
750 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
752 /* dma: setup channel 1 (= Video Task B) */
753 base = (unsigned long)dev->ovbuf.base;
754 base += dev->ovbuf.fmt.bytesperline * dev->win.w.top;
755 base += dev->ovfmt->depth/8 * dev->win.w.left;
756 bpl = dev->ovbuf.fmt.bytesperline;
757 control = SAA7134_RS_CONTROL_BURST_16;
758 if (dev->ovfmt->bswap)
759 control |= SAA7134_RS_CONTROL_BSWAP;
760 if (dev->ovfmt->wswap)
761 control |= SAA7134_RS_CONTROL_WSWAP;
762 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
763 saa_writel(SAA7134_RS_BA1(1),base);
764 saa_writel(SAA7134_RS_BA2(1),base+bpl);
765 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
766 saa_writel(SAA7134_RS_CONTROL(1),control);
768 saa_writel(SAA7134_RS_BA1(1),base);
769 saa_writel(SAA7134_RS_BA2(1),base);
770 saa_writel(SAA7134_RS_PITCH(1),bpl);
771 saa_writel(SAA7134_RS_CONTROL(1),control);
776 saa7134_set_dmabits(dev);
781 static int stop_preview(struct saa7134_dev *dev)
784 saa7134_set_dmabits(dev);
788 /* ------------------------------------------------------------------ */
790 static int buffer_activate(struct saa7134_dev *dev,
791 struct saa7134_buf *buf,
792 struct saa7134_buf *next)
794 struct saa7134_dmaqueue *dmaq = buf->vb2.vb2_queue->drv_priv;
795 unsigned long base,control,bpl;
796 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
798 video_dbg("buffer_activate buf=%p\n", buf);
801 set_size(dev, TASK_A, dev->width, dev->height,
802 V4L2_FIELD_HAS_BOTH(dev->field));
804 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
806 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
807 saa_writeb(SAA7134_OFMT_VIDEO_A, dev->fmt->pm);
809 /* DMA: setup channel 0 (= Video Task A0) */
810 base = saa7134_buffer_base(buf);
811 if (dev->fmt->planar)
814 bpl = (dev->width * dev->fmt->depth) / 8;
815 control = SAA7134_RS_CONTROL_BURST_16 |
816 SAA7134_RS_CONTROL_ME |
817 (dmaq->pt.dma >> 12);
819 control |= SAA7134_RS_CONTROL_BSWAP;
821 control |= SAA7134_RS_CONTROL_WSWAP;
822 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
824 saa_writel(SAA7134_RS_BA1(0),base);
825 saa_writel(SAA7134_RS_BA2(0),base+bpl);
826 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
829 saa_writel(SAA7134_RS_BA1(0),base);
830 saa_writel(SAA7134_RS_BA2(0),base);
831 saa_writel(SAA7134_RS_PITCH(0),bpl);
833 saa_writel(SAA7134_RS_CONTROL(0),control);
835 if (dev->fmt->planar) {
836 /* DMA: setup channel 4+5 (= planar task A) */
837 bpl_uv = bpl >> dev->fmt->hshift;
838 lines_uv = dev->height >> dev->fmt->vshift;
839 base2 = base + bpl * dev->height;
840 base3 = base2 + bpl_uv * lines_uv;
841 if (dev->fmt->uvswap)
842 tmp = base2, base2 = base3, base3 = tmp;
843 video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
844 bpl_uv,lines_uv,base2,base3);
845 if (V4L2_FIELD_HAS_BOTH(dev->field)) {
847 saa_writel(SAA7134_RS_BA1(4),base2);
848 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
849 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
850 saa_writel(SAA7134_RS_BA1(5),base3);
851 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
852 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
855 saa_writel(SAA7134_RS_BA1(4),base2);
856 saa_writel(SAA7134_RS_BA2(4),base2);
857 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
858 saa_writel(SAA7134_RS_BA1(5),base3);
859 saa_writel(SAA7134_RS_BA2(5),base3);
860 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
862 saa_writel(SAA7134_RS_CONTROL(4),control);
863 saa_writel(SAA7134_RS_CONTROL(5),control);
867 saa7134_set_dmabits(dev);
868 mod_timer(&dmaq->timeout, jiffies + BUFFER_TIMEOUT);
872 static int buffer_init(struct vb2_buffer *vb2)
874 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
875 struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
878 buf->activate = buffer_activate;
882 static int buffer_prepare(struct vb2_buffer *vb2)
884 struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv;
885 struct saa7134_dev *dev = dmaq->dev;
886 struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2);
887 struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
890 if (dma->sgl->offset) {
891 pr_err("The buffer is not page-aligned\n");
894 size = (dev->width * dev->height * dev->fmt->depth) >> 3;
895 if (vb2_plane_size(vb2, 0) < size)
898 vb2_set_plane_payload(vb2, 0, size);
899 vb2->v4l2_buf.field = dev->field;
901 return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents,
902 saa7134_buffer_startpage(buf));
905 static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
906 unsigned int *nbuffers, unsigned int *nplanes,
907 unsigned int sizes[], void *alloc_ctxs[])
909 struct saa7134_dmaqueue *dmaq = q->drv_priv;
910 struct saa7134_dev *dev = dmaq->dev;
911 int size = dev->fmt->depth * dev->width * dev->height >> 3;
913 if (dev->width < 48 ||
915 dev->width/4 > dev->crop_current.width ||
916 dev->height/4 > dev->crop_current.height ||
917 dev->width > dev->crop_bounds.width ||
918 dev->height > dev->crop_bounds.height)
921 *nbuffers = saa7134_buffer_count(size, *nbuffers);
924 alloc_ctxs[0] = dev->alloc_ctx;
929 * move buffer to hardware queue
931 void saa7134_vb2_buffer_queue(struct vb2_buffer *vb)
933 struct saa7134_dmaqueue *dmaq = vb->vb2_queue->drv_priv;
934 struct saa7134_dev *dev = dmaq->dev;
935 struct saa7134_buf *buf = container_of(vb, struct saa7134_buf, vb2);
937 saa7134_buffer_queue(dev, dmaq, buf);
939 EXPORT_SYMBOL_GPL(saa7134_vb2_buffer_queue);
941 int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
943 struct saa7134_dmaqueue *dmaq = vq->drv_priv;
944 struct saa7134_dev *dev = dmaq->dev;
947 * Planar video capture and TS share the same DMA channel,
948 * so only one can be active at a time.
950 if (card_is_empress(dev) && vb2_is_busy(&dev->empress_vbq) &&
951 dmaq == &dev->video_q && dev->fmt->planar) {
952 struct saa7134_buf *buf, *tmp;
954 list_for_each_entry_safe(buf, tmp, &dmaq->queue, entry) {
955 list_del(&buf->entry);
956 vb2_buffer_done(&buf->vb2, VB2_BUF_STATE_QUEUED);
959 vb2_buffer_done(&dmaq->curr->vb2, VB2_BUF_STATE_QUEUED);
965 /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
966 * configured conservatively, there's 22 usec of buffering for video.
967 * We therefore request a DMA latency of 20 usec, giving us 2 usec of
968 * margin in case the FIFO is configured differently to the datasheet.
969 * Unfortunately, I lack register-level documentation to check the
970 * Linux FIFO setup and confirm the perfect value.
972 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
973 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
974 pm_qos_add_request(&dev->qos_request,
975 PM_QOS_CPU_DMA_LATENCY, 20);
981 void saa7134_vb2_stop_streaming(struct vb2_queue *vq)
983 struct saa7134_dmaqueue *dmaq = vq->drv_priv;
984 struct saa7134_dev *dev = dmaq->dev;
986 saa7134_stop_streaming(dev, dmaq);
988 if ((dmaq == &dev->video_q && !vb2_is_streaming(&dev->vbi_vbq)) ||
989 (dmaq == &dev->vbi_q && !vb2_is_streaming(&dev->video_vbq)))
990 pm_qos_remove_request(&dev->qos_request);
993 static struct vb2_ops vb2_qops = {
994 .queue_setup = queue_setup,
995 .buf_init = buffer_init,
996 .buf_prepare = buffer_prepare,
997 .buf_queue = saa7134_vb2_buffer_queue,
998 .wait_prepare = vb2_ops_wait_prepare,
999 .wait_finish = vb2_ops_wait_finish,
1000 .start_streaming = saa7134_vb2_start_streaming,
1001 .stop_streaming = saa7134_vb2_stop_streaming,
1004 /* ------------------------------------------------------------------ */
1006 static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
1008 struct saa7134_dev *dev = container_of(ctrl->handler, struct saa7134_dev, ctrl_handler);
1009 unsigned long flags;
1010 int restart_overlay = 0;
1013 case V4L2_CID_BRIGHTNESS:
1014 dev->ctl_bright = ctrl->val;
1015 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, ctrl->val);
1018 dev->ctl_hue = ctrl->val;
1019 saa_writeb(SAA7134_DEC_CHROMA_HUE, ctrl->val);
1021 case V4L2_CID_CONTRAST:
1022 dev->ctl_contrast = ctrl->val;
1023 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1024 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1026 case V4L2_CID_SATURATION:
1027 dev->ctl_saturation = ctrl->val;
1028 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1029 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1031 case V4L2_CID_AUDIO_MUTE:
1032 dev->ctl_mute = ctrl->val;
1033 saa7134_tvaudio_setmute(dev);
1035 case V4L2_CID_AUDIO_VOLUME:
1036 dev->ctl_volume = ctrl->val;
1037 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1039 case V4L2_CID_PRIVATE_INVERT:
1040 dev->ctl_invert = ctrl->val;
1041 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1042 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1043 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1044 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1046 case V4L2_CID_HFLIP:
1047 dev->ctl_mirror = ctrl->val;
1048 restart_overlay = 1;
1050 case V4L2_CID_PRIVATE_Y_EVEN:
1051 dev->ctl_y_even = ctrl->val;
1052 restart_overlay = 1;
1054 case V4L2_CID_PRIVATE_Y_ODD:
1055 dev->ctl_y_odd = ctrl->val;
1056 restart_overlay = 1;
1058 case V4L2_CID_PRIVATE_AUTOMUTE:
1060 struct v4l2_priv_tun_config tda9887_cfg;
1062 tda9887_cfg.tuner = TUNER_TDA9887;
1063 tda9887_cfg.priv = &dev->tda9887_conf;
1065 dev->ctl_automute = ctrl->val;
1066 if (dev->tda9887_conf) {
1067 if (dev->ctl_automute)
1068 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1070 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1072 saa_call_all(dev, tuner, s_config, &tda9887_cfg);
1079 if (restart_overlay && dev->overlay_owner) {
1080 spin_lock_irqsave(&dev->slock, flags);
1083 spin_unlock_irqrestore(&dev->slock, flags);
1088 /* ------------------------------------------------------------------ */
1090 static int video_open(struct file *file)
1092 struct video_device *vdev = video_devdata(file);
1093 struct saa7134_dev *dev = video_drvdata(file);
1094 int ret = v4l2_fh_open(file);
1099 mutex_lock(&dev->lock);
1100 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1101 /* switch to radio mode */
1102 saa7134_tvaudio_setinput(dev, &card(dev).radio);
1103 saa_call_all(dev, tuner, s_radio);
1105 /* switch to video/vbi mode */
1106 video_mux(dev, dev->ctl_input);
1108 mutex_unlock(&dev->lock);
1113 static int video_release(struct file *file)
1115 struct video_device *vdev = video_devdata(file);
1116 struct saa7134_dev *dev = video_drvdata(file);
1117 struct v4l2_fh *fh = file->private_data;
1118 struct saa6588_command cmd;
1119 unsigned long flags;
1121 mutex_lock(&dev->lock);
1122 saa7134_tvaudio_close(dev);
1124 /* turn off overlay */
1125 if (fh == dev->overlay_owner) {
1126 spin_lock_irqsave(&dev->slock,flags);
1128 spin_unlock_irqrestore(&dev->slock,flags);
1129 dev->overlay_owner = NULL;
1132 if (vdev->vfl_type == VFL_TYPE_RADIO)
1133 v4l2_fh_release(file);
1135 _vb2_fop_release(file, NULL);
1137 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1138 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1139 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1140 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1141 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1143 saa_call_all(dev, core, s_power, 0);
1144 if (vdev->vfl_type == VFL_TYPE_RADIO)
1145 saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
1146 mutex_unlock(&dev->lock);
1151 static ssize_t radio_read(struct file *file, char __user *data,
1152 size_t count, loff_t *ppos)
1154 struct saa7134_dev *dev = video_drvdata(file);
1155 struct saa6588_command cmd;
1157 cmd.block_count = count/3;
1158 cmd.nonblocking = file->f_flags & O_NONBLOCK;
1160 cmd.instance = file;
1161 cmd.result = -ENODEV;
1163 mutex_lock(&dev->lock);
1164 saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
1165 mutex_unlock(&dev->lock);
1170 static unsigned int radio_poll(struct file *file, poll_table *wait)
1172 struct saa7134_dev *dev = video_drvdata(file);
1173 struct saa6588_command cmd;
1174 unsigned int rc = v4l2_ctrl_poll(file, wait);
1176 cmd.instance = file;
1177 cmd.event_list = wait;
1179 mutex_lock(&dev->lock);
1180 saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
1181 mutex_unlock(&dev->lock);
1183 return rc | cmd.result;
1186 /* ------------------------------------------------------------------ */
1188 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
1189 struct v4l2_format *f)
1191 struct saa7134_dev *dev = video_drvdata(file);
1192 struct saa7134_tvnorm *norm = dev->tvnorm;
1194 memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
1195 f->fmt.vbi.sampling_rate = 6750000 * 4;
1196 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1197 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1198 f->fmt.vbi.offset = 64 * 4;
1199 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1200 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1201 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1202 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1203 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1208 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
1209 struct v4l2_format *f)
1211 struct saa7134_dev *dev = video_drvdata(file);
1213 f->fmt.pix.width = dev->width;
1214 f->fmt.pix.height = dev->height;
1215 f->fmt.pix.field = dev->field;
1216 f->fmt.pix.pixelformat = dev->fmt->fourcc;
1217 f->fmt.pix.bytesperline =
1218 (f->fmt.pix.width * dev->fmt->depth) >> 3;
1219 f->fmt.pix.sizeimage =
1220 f->fmt.pix.height * f->fmt.pix.bytesperline;
1221 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1225 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
1226 struct v4l2_format *f)
1228 struct saa7134_dev *dev = video_drvdata(file);
1229 struct v4l2_clip __user *clips = f->fmt.win.clips;
1230 u32 clipcount = f->fmt.win.clipcount;
1234 if (saa7134_no_overlay > 0) {
1235 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1238 f->fmt.win = dev->win;
1239 f->fmt.win.clips = clips;
1242 if (dev->nclips < clipcount)
1243 clipcount = dev->nclips;
1244 f->fmt.win.clipcount = clipcount;
1246 for (i = 0; !err && i < clipcount; i++) {
1247 if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c,
1248 sizeof(struct v4l2_rect)))
1255 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
1256 struct v4l2_format *f)
1258 struct saa7134_dev *dev = video_drvdata(file);
1259 struct saa7134_format *fmt;
1260 enum v4l2_field field;
1261 unsigned int maxw, maxh;
1263 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1267 field = f->fmt.pix.field;
1268 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1269 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1271 if (V4L2_FIELD_ANY == field) {
1272 field = (f->fmt.pix.height > maxh/2)
1273 ? V4L2_FIELD_INTERLACED
1274 : V4L2_FIELD_BOTTOM;
1277 case V4L2_FIELD_TOP:
1278 case V4L2_FIELD_BOTTOM:
1282 field = V4L2_FIELD_INTERLACED;
1286 f->fmt.pix.field = field;
1287 if (f->fmt.pix.width < 48)
1288 f->fmt.pix.width = 48;
1289 if (f->fmt.pix.height < 32)
1290 f->fmt.pix.height = 32;
1291 if (f->fmt.pix.width > maxw)
1292 f->fmt.pix.width = maxw;
1293 if (f->fmt.pix.height > maxh)
1294 f->fmt.pix.height = maxh;
1295 f->fmt.pix.width &= ~0x03;
1296 f->fmt.pix.bytesperline =
1297 (f->fmt.pix.width * fmt->depth) >> 3;
1298 f->fmt.pix.sizeimage =
1299 f->fmt.pix.height * f->fmt.pix.bytesperline;
1300 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
1305 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
1306 struct v4l2_format *f)
1308 struct saa7134_dev *dev = video_drvdata(file);
1310 if (saa7134_no_overlay > 0) {
1311 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1315 if (f->fmt.win.clips == NULL)
1316 f->fmt.win.clipcount = 0;
1317 return verify_preview(dev, &f->fmt.win, true);
1320 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
1321 struct v4l2_format *f)
1323 struct saa7134_dev *dev = video_drvdata(file);
1326 err = saa7134_try_fmt_vid_cap(file, priv, f);
1330 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1331 dev->width = f->fmt.pix.width;
1332 dev->height = f->fmt.pix.height;
1333 dev->field = f->fmt.pix.field;
1337 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
1338 struct v4l2_format *f)
1340 struct saa7134_dev *dev = video_drvdata(file);
1342 unsigned long flags;
1344 if (saa7134_no_overlay > 0) {
1345 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1348 if (f->fmt.win.clips == NULL)
1349 f->fmt.win.clipcount = 0;
1350 err = verify_preview(dev, &f->fmt.win, true);
1354 dev->win = f->fmt.win;
1355 dev->nclips = f->fmt.win.clipcount;
1357 if (copy_from_user(dev->clips, f->fmt.win.clips,
1358 sizeof(struct v4l2_clip) * dev->nclips))
1361 if (priv == dev->overlay_owner) {
1362 spin_lock_irqsave(&dev->slock, flags);
1365 spin_unlock_irqrestore(&dev->slock, flags);
1371 int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i)
1373 struct saa7134_dev *dev = video_drvdata(file);
1377 if (n >= SAA7134_INPUT_MAX)
1379 if (NULL == card_in(dev, i->index).name)
1382 i->type = V4L2_INPUT_TYPE_CAMERA;
1383 strcpy(i->name, card_in(dev, n).name);
1384 if (card_in(dev, n).tv)
1385 i->type = V4L2_INPUT_TYPE_TUNER;
1386 if (n == dev->ctl_input) {
1387 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1388 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1390 if (0 != (v1 & 0x40))
1391 i->status |= V4L2_IN_ST_NO_H_LOCK;
1392 if (0 != (v2 & 0x40))
1393 i->status |= V4L2_IN_ST_NO_SIGNAL;
1394 if (0 != (v2 & 0x0e))
1395 i->status |= V4L2_IN_ST_MACROVISION;
1397 i->std = SAA7134_NORMS;
1400 EXPORT_SYMBOL_GPL(saa7134_enum_input);
1402 int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1404 struct saa7134_dev *dev = video_drvdata(file);
1406 *i = dev->ctl_input;
1409 EXPORT_SYMBOL_GPL(saa7134_g_input);
1411 int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1413 struct saa7134_dev *dev = video_drvdata(file);
1415 if (i >= SAA7134_INPUT_MAX)
1417 if (NULL == card_in(dev, i).name)
1422 EXPORT_SYMBOL_GPL(saa7134_s_input);
1424 int saa7134_querycap(struct file *file, void *priv,
1425 struct v4l2_capability *cap)
1427 struct saa7134_dev *dev = video_drvdata(file);
1428 struct video_device *vdev = video_devdata(file);
1429 u32 radio_caps, video_caps, vbi_caps;
1431 unsigned int tuner_type = dev->tuner_type;
1433 strcpy(cap->driver, "saa7134");
1434 strlcpy(cap->card, saa7134_boards[dev->board].name,
1436 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1438 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
1439 if ((tuner_type != TUNER_ABSENT) && (tuner_type != UNSET))
1440 cap->device_caps |= V4L2_CAP_TUNER;
1442 radio_caps = V4L2_CAP_RADIO;
1444 radio_caps |= V4L2_CAP_RDS_CAPTURE;
1446 video_caps = V4L2_CAP_VIDEO_CAPTURE;
1447 if (saa7134_no_overlay <= 0 && !is_empress(file))
1448 video_caps |= V4L2_CAP_VIDEO_OVERLAY;
1450 vbi_caps = V4L2_CAP_VBI_CAPTURE;
1452 switch (vdev->vfl_type) {
1453 case VFL_TYPE_RADIO:
1454 cap->device_caps |= radio_caps;
1456 case VFL_TYPE_GRABBER:
1457 cap->device_caps |= video_caps;
1460 cap->device_caps |= vbi_caps;
1463 cap->capabilities = radio_caps | video_caps | vbi_caps |
1464 cap->device_caps | V4L2_CAP_DEVICE_CAPS;
1465 if (vdev->vfl_type == VFL_TYPE_RADIO) {
1466 cap->device_caps &= ~V4L2_CAP_STREAMING;
1468 cap->device_caps &= ~V4L2_CAP_READWRITE;
1473 EXPORT_SYMBOL_GPL(saa7134_querycap);
1475 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
1477 struct saa7134_dev *dev = video_drvdata(file);
1478 struct v4l2_fh *fh = priv;
1479 unsigned long flags;
1483 if (is_empress(file) && dev->overlay_owner) {
1484 /* Don't change the std from the mpeg device
1485 if overlay is active. */
1489 for (i = 0; i < TVNORMS; i++)
1490 if (id == tvnorms[i].id)
1494 for (i = 0; i < TVNORMS; i++)
1495 if (id & tvnorms[i].id)
1500 if ((id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1501 if (secam[0] == 'L' || secam[0] == 'l') {
1502 if (secam[1] == 'C' || secam[1] == 'c')
1503 fixup = V4L2_STD_SECAM_LC;
1505 fixup = V4L2_STD_SECAM_L;
1507 if (secam[0] == 'D' || secam[0] == 'd')
1508 fixup = V4L2_STD_SECAM_DK;
1510 fixup = V4L2_STD_SECAM;
1512 for (i = 0; i < TVNORMS; i++) {
1513 if (fixup == tvnorms[i].id)
1522 if (!is_empress(file) && fh == dev->overlay_owner) {
1523 spin_lock_irqsave(&dev->slock, flags);
1525 spin_unlock_irqrestore(&dev->slock, flags);
1527 set_tvnorm(dev, &tvnorms[i]);
1529 spin_lock_irqsave(&dev->slock, flags);
1531 spin_unlock_irqrestore(&dev->slock, flags);
1533 set_tvnorm(dev, &tvnorms[i]);
1535 saa7134_tvaudio_do_scan(dev);
1538 EXPORT_SYMBOL_GPL(saa7134_s_std);
1540 int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id)
1542 struct saa7134_dev *dev = video_drvdata(file);
1544 *id = dev->tvnorm->id;
1547 EXPORT_SYMBOL_GPL(saa7134_g_std);
1549 static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev)
1551 static v4l2_std_id stds[] = {
1557 v4l2_std_id result = 0;
1559 u8 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
1560 u8 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
1562 if (!(st2 & 0x1)) /* RDCAP == 0 */
1563 result = V4L2_STD_UNKNOWN;
1565 result = stds[st1 & 0x03];
1570 int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std)
1572 struct saa7134_dev *dev = video_drvdata(file);
1573 *std &= saa7134_read_std(dev);
1576 EXPORT_SYMBOL_GPL(saa7134_querystd);
1578 static int saa7134_cropcap(struct file *file, void *priv,
1579 struct v4l2_cropcap *cap)
1581 struct saa7134_dev *dev = video_drvdata(file);
1583 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1584 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1586 cap->bounds = dev->crop_bounds;
1587 cap->defrect = dev->crop_defrect;
1588 cap->pixelaspect.numerator = 1;
1589 cap->pixelaspect.denominator = 1;
1590 if (dev->tvnorm->id & V4L2_STD_525_60) {
1591 cap->pixelaspect.numerator = 11;
1592 cap->pixelaspect.denominator = 10;
1594 if (dev->tvnorm->id & V4L2_STD_625_50) {
1595 cap->pixelaspect.numerator = 54;
1596 cap->pixelaspect.denominator = 59;
1601 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1603 struct saa7134_dev *dev = video_drvdata(file);
1605 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1606 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1608 crop->c = dev->crop_current;
1612 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
1614 struct saa7134_dev *dev = video_drvdata(file);
1615 struct v4l2_rect *b = &dev->crop_bounds;
1616 struct v4l2_rect *c = &dev->crop_current;
1618 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1619 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1622 if (dev->overlay_owner)
1624 if (vb2_is_streaming(&dev->video_vbq))
1628 if (c->top < b->top)
1630 if (c->top > b->top + b->height)
1631 c->top = b->top + b->height;
1632 if (c->height > b->top - c->top + b->height)
1633 c->height = b->top - c->top + b->height;
1635 if (c->left < b->left)
1637 if (c->left > b->left + b->width)
1638 c->left = b->left + b->width;
1639 if (c->width > b->left - c->left + b->width)
1640 c->width = b->left - c->left + b->width;
1644 int saa7134_g_tuner(struct file *file, void *priv,
1645 struct v4l2_tuner *t)
1647 struct saa7134_dev *dev = video_drvdata(file);
1652 memset(t, 0, sizeof(*t));
1653 for (n = 0; n < SAA7134_INPUT_MAX; n++) {
1654 if (card_in(dev, n).tv)
1657 if (n == SAA7134_INPUT_MAX)
1659 if (NULL != card_in(dev, n).name) {
1660 strcpy(t->name, "Television");
1661 t->type = V4L2_TUNER_ANALOG_TV;
1662 saa_call_all(dev, tuner, g_tuner, t);
1663 t->capability = V4L2_TUNER_CAP_NORM |
1664 V4L2_TUNER_CAP_STEREO |
1665 V4L2_TUNER_CAP_LANG1 |
1666 V4L2_TUNER_CAP_LANG2;
1667 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1668 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1670 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1674 EXPORT_SYMBOL_GPL(saa7134_g_tuner);
1676 int saa7134_s_tuner(struct file *file, void *priv,
1677 const struct v4l2_tuner *t)
1679 struct saa7134_dev *dev = video_drvdata(file);
1685 mode = dev->thread.mode;
1686 if (UNSET == mode) {
1687 rx = saa7134_tvaudio_getstereo(dev);
1688 mode = saa7134_tvaudio_rx2mode(rx);
1690 if (mode != t->audmode)
1691 dev->thread.mode = t->audmode;
1695 EXPORT_SYMBOL_GPL(saa7134_s_tuner);
1697 int saa7134_g_frequency(struct file *file, void *priv,
1698 struct v4l2_frequency *f)
1700 struct saa7134_dev *dev = video_drvdata(file);
1705 saa_call_all(dev, tuner, g_frequency, f);
1709 EXPORT_SYMBOL_GPL(saa7134_g_frequency);
1711 int saa7134_s_frequency(struct file *file, void *priv,
1712 const struct v4l2_frequency *f)
1714 struct saa7134_dev *dev = video_drvdata(file);
1719 saa_call_all(dev, tuner, s_frequency, f);
1721 saa7134_tvaudio_do_scan(dev);
1724 EXPORT_SYMBOL_GPL(saa7134_s_frequency);
1726 static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
1727 struct v4l2_fmtdesc *f)
1729 if (f->index >= FORMATS)
1732 strlcpy(f->description, formats[f->index].name,
1733 sizeof(f->description));
1735 f->pixelformat = formats[f->index].fourcc;
1740 static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv,
1741 struct v4l2_fmtdesc *f)
1743 if (saa7134_no_overlay > 0) {
1744 pr_err("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1748 if ((f->index >= FORMATS) || formats[f->index].planar)
1751 strlcpy(f->description, formats[f->index].name,
1752 sizeof(f->description));
1754 f->pixelformat = formats[f->index].fourcc;
1759 static int saa7134_g_fbuf(struct file *file, void *f,
1760 struct v4l2_framebuffer *fb)
1762 struct saa7134_dev *dev = video_drvdata(file);
1765 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
1770 static int saa7134_s_fbuf(struct file *file, void *f,
1771 const struct v4l2_framebuffer *fb)
1773 struct saa7134_dev *dev = video_drvdata(file);
1774 struct saa7134_format *fmt;
1776 if (!capable(CAP_SYS_ADMIN) &&
1777 !capable(CAP_SYS_RAWIO))
1781 fmt = format_by_fourcc(fb->fmt.pixelformat);
1788 if (0 == dev->ovbuf.fmt.bytesperline)
1789 dev->ovbuf.fmt.bytesperline =
1790 dev->ovbuf.fmt.width*fmt->depth/8;
1794 static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
1796 struct saa7134_dev *dev = video_drvdata(file);
1797 unsigned long flags;
1800 if (saa7134_no_overlay > 0) {
1801 video_dbg("no_overlay\n");
1805 if (dev->overlay_owner && priv != dev->overlay_owner)
1807 dev->overlay_owner = priv;
1808 spin_lock_irqsave(&dev->slock, flags);
1810 spin_unlock_irqrestore(&dev->slock, flags);
1813 if (priv != dev->overlay_owner)
1815 spin_lock_irqsave(&dev->slock, flags);
1817 spin_unlock_irqrestore(&dev->slock, flags);
1818 dev->overlay_owner = NULL;
1823 #ifdef CONFIG_VIDEO_ADV_DEBUG
1824 static int vidioc_g_register (struct file *file, void *priv,
1825 struct v4l2_dbg_register *reg)
1827 struct saa7134_dev *dev = video_drvdata(file);
1829 reg->val = saa_readb(reg->reg & 0xffffff);
1834 static int vidioc_s_register (struct file *file, void *priv,
1835 const struct v4l2_dbg_register *reg)
1837 struct saa7134_dev *dev = video_drvdata(file);
1839 saa_writeb(reg->reg & 0xffffff, reg->val);
1844 static int radio_g_tuner(struct file *file, void *priv,
1845 struct v4l2_tuner *t)
1847 struct saa7134_dev *dev = video_drvdata(file);
1852 strcpy(t->name, "Radio");
1854 saa_call_all(dev, tuner, g_tuner, t);
1855 t->audmode &= V4L2_TUNER_MODE_MONO | V4L2_TUNER_MODE_STEREO;
1856 if (dev->input->amux == TV) {
1857 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
1858 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
1859 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
1863 static int radio_s_tuner(struct file *file, void *priv,
1864 const struct v4l2_tuner *t)
1866 struct saa7134_dev *dev = video_drvdata(file);
1871 saa_call_all(dev, tuner, s_tuner, t);
1875 static const struct v4l2_file_operations video_fops =
1877 .owner = THIS_MODULE,
1879 .release = video_release,
1880 .read = vb2_fop_read,
1881 .poll = vb2_fop_poll,
1882 .mmap = vb2_fop_mmap,
1883 .unlocked_ioctl = video_ioctl2,
1886 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1887 .vidioc_querycap = saa7134_querycap,
1888 .vidioc_enum_fmt_vid_cap = saa7134_enum_fmt_vid_cap,
1889 .vidioc_g_fmt_vid_cap = saa7134_g_fmt_vid_cap,
1890 .vidioc_try_fmt_vid_cap = saa7134_try_fmt_vid_cap,
1891 .vidioc_s_fmt_vid_cap = saa7134_s_fmt_vid_cap,
1892 .vidioc_enum_fmt_vid_overlay = saa7134_enum_fmt_vid_overlay,
1893 .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay,
1894 .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay,
1895 .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay,
1896 .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1897 .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1898 .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap,
1899 .vidioc_cropcap = saa7134_cropcap,
1900 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1901 .vidioc_querybuf = vb2_ioctl_querybuf,
1902 .vidioc_qbuf = vb2_ioctl_qbuf,
1903 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1904 .vidioc_s_std = saa7134_s_std,
1905 .vidioc_g_std = saa7134_g_std,
1906 .vidioc_querystd = saa7134_querystd,
1907 .vidioc_enum_input = saa7134_enum_input,
1908 .vidioc_g_input = saa7134_g_input,
1909 .vidioc_s_input = saa7134_s_input,
1910 .vidioc_streamon = vb2_ioctl_streamon,
1911 .vidioc_streamoff = vb2_ioctl_streamoff,
1912 .vidioc_g_tuner = saa7134_g_tuner,
1913 .vidioc_s_tuner = saa7134_s_tuner,
1914 .vidioc_g_crop = saa7134_g_crop,
1915 .vidioc_s_crop = saa7134_s_crop,
1916 .vidioc_g_fbuf = saa7134_g_fbuf,
1917 .vidioc_s_fbuf = saa7134_s_fbuf,
1918 .vidioc_overlay = saa7134_overlay,
1919 .vidioc_g_frequency = saa7134_g_frequency,
1920 .vidioc_s_frequency = saa7134_s_frequency,
1921 #ifdef CONFIG_VIDEO_ADV_DEBUG
1922 .vidioc_g_register = vidioc_g_register,
1923 .vidioc_s_register = vidioc_s_register,
1925 .vidioc_log_status = v4l2_ctrl_log_status,
1926 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1927 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1930 static const struct v4l2_file_operations radio_fops = {
1931 .owner = THIS_MODULE,
1934 .release = video_release,
1935 .unlocked_ioctl = video_ioctl2,
1939 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
1940 .vidioc_querycap = saa7134_querycap,
1941 .vidioc_g_tuner = radio_g_tuner,
1942 .vidioc_s_tuner = radio_s_tuner,
1943 .vidioc_g_frequency = saa7134_g_frequency,
1944 .vidioc_s_frequency = saa7134_s_frequency,
1945 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1946 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1949 /* ----------------------------------------------------------- */
1950 /* exported stuff */
1952 struct video_device saa7134_video_template = {
1953 .name = "saa7134-video",
1954 .fops = &video_fops,
1955 .ioctl_ops = &video_ioctl_ops,
1956 .tvnorms = SAA7134_NORMS,
1959 struct video_device saa7134_radio_template = {
1960 .name = "saa7134-radio",
1961 .fops = &radio_fops,
1962 .ioctl_ops = &radio_ioctl_ops,
1965 static const struct v4l2_ctrl_ops saa7134_ctrl_ops = {
1966 .s_ctrl = saa7134_s_ctrl,
1969 static const struct v4l2_ctrl_config saa7134_ctrl_invert = {
1970 .ops = &saa7134_ctrl_ops,
1971 .id = V4L2_CID_PRIVATE_INVERT,
1973 .type = V4L2_CTRL_TYPE_BOOLEAN,
1979 static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = {
1980 .ops = &saa7134_ctrl_ops,
1981 .id = V4L2_CID_PRIVATE_Y_ODD,
1982 .name = "Y Offset Odd Field",
1983 .type = V4L2_CTRL_TYPE_INTEGER,
1989 static const struct v4l2_ctrl_config saa7134_ctrl_y_even = {
1990 .ops = &saa7134_ctrl_ops,
1991 .id = V4L2_CID_PRIVATE_Y_EVEN,
1992 .name = "Y Offset Even Field",
1993 .type = V4L2_CTRL_TYPE_INTEGER,
1999 static const struct v4l2_ctrl_config saa7134_ctrl_automute = {
2000 .ops = &saa7134_ctrl_ops,
2001 .id = V4L2_CID_PRIVATE_AUTOMUTE,
2003 .type = V4L2_CTRL_TYPE_BOOLEAN,
2010 int saa7134_video_init1(struct saa7134_dev *dev)
2012 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
2013 struct vb2_queue *q;
2016 /* sanitycheck insmod options */
2017 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2019 if (gbufsize > gbufsize_max)
2020 gbufsize = gbufsize_max;
2021 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2023 v4l2_ctrl_handler_init(hdl, 11);
2024 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2025 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2026 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2027 V4L2_CID_CONTRAST, 0, 127, 1, 68);
2028 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2029 V4L2_CID_SATURATION, 0, 127, 1, 64);
2030 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2031 V4L2_CID_HUE, -128, 127, 1, 0);
2032 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2033 V4L2_CID_HFLIP, 0, 1, 1, 0);
2034 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2035 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
2036 v4l2_ctrl_new_std(hdl, &saa7134_ctrl_ops,
2037 V4L2_CID_AUDIO_VOLUME, -15, 15, 1, 0);
2038 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_invert, NULL);
2039 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_odd, NULL);
2040 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_y_even, NULL);
2041 v4l2_ctrl_new_custom(hdl, &saa7134_ctrl_automute, NULL);
2044 if (card_has_radio(dev)) {
2045 hdl = &dev->radio_ctrl_handler;
2046 v4l2_ctrl_handler_init(hdl, 2);
2047 v4l2_ctrl_add_handler(hdl, &dev->ctrl_handler,
2048 v4l2_ctrl_radio_filter);
2054 if (dev->tda9887_conf && saa7134_ctrl_automute.def)
2055 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2058 INIT_LIST_HEAD(&dev->video_q.queue);
2059 init_timer(&dev->video_q.timeout);
2060 dev->video_q.timeout.function = saa7134_buffer_timeout;
2061 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2062 dev->video_q.dev = dev;
2063 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
2066 dev->field = V4L2_FIELD_INTERLACED;
2067 dev->win.w.width = dev->width;
2068 dev->win.w.height = dev->height;
2069 dev->win.field = V4L2_FIELD_INTERLACED;
2070 dev->ovbuf.fmt.width = dev->width;
2071 dev->ovbuf.fmt.height = dev->height;
2072 dev->ovbuf.fmt.pixelformat = dev->fmt->fourcc;
2073 dev->ovbuf.fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
2075 if (saa7134_boards[dev->board].video_out)
2076 saa7134_videoport_init(dev);
2078 q = &dev->video_vbq;
2079 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
2081 * Do not add VB2_USERPTR unless explicitly requested: the saa7134 DMA
2082 * engine cannot handle transfers that do not start at the beginning
2083 * of a page. A user-provided pointer can start anywhere in a page, so
2084 * USERPTR support is a no-go unless the application knows about these
2085 * limitations and has special support for this.
2087 q->io_modes = VB2_MMAP | VB2_READ;
2088 if (saa7134_userptr)
2089 q->io_modes |= VB2_USERPTR;
2090 q->drv_priv = &dev->video_q;
2092 q->gfp_flags = GFP_DMA32;
2093 q->mem_ops = &vb2_dma_sg_memops;
2094 q->buf_struct_size = sizeof(struct saa7134_buf);
2095 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2096 q->lock = &dev->lock;
2097 ret = vb2_queue_init(q);
2100 saa7134_pgtable_alloc(dev->pci, &dev->video_q.pt);
2103 q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
2104 /* Don't add VB2_USERPTR, see comment above */
2105 q->io_modes = VB2_MMAP | VB2_READ;
2106 if (saa7134_userptr)
2107 q->io_modes |= VB2_USERPTR;
2108 q->drv_priv = &dev->vbi_q;
2109 q->ops = &saa7134_vbi_qops;
2110 q->gfp_flags = GFP_DMA32;
2111 q->mem_ops = &vb2_dma_sg_memops;
2112 q->buf_struct_size = sizeof(struct saa7134_buf);
2113 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
2114 q->lock = &dev->lock;
2115 ret = vb2_queue_init(q);
2118 saa7134_pgtable_alloc(dev->pci, &dev->vbi_q.pt);
2123 void saa7134_video_fini(struct saa7134_dev *dev)
2126 vb2_queue_release(&dev->video_vbq);
2127 saa7134_pgtable_free(dev->pci, &dev->video_q.pt);
2128 vb2_queue_release(&dev->vbi_vbq);
2129 saa7134_pgtable_free(dev->pci, &dev->vbi_q.pt);
2130 v4l2_ctrl_handler_free(&dev->ctrl_handler);
2131 if (card_has_radio(dev))
2132 v4l2_ctrl_handler_free(&dev->radio_ctrl_handler);
2135 int saa7134_videoport_init(struct saa7134_dev *dev)
2137 /* enable video output */
2138 int vo = saa7134_boards[dev->board].video_out;
2140 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2142 /* Configure videoport */
2143 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2144 video_reg = video_out[vo][1];
2145 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2146 video_reg &= ~VP_T_CODE_P_INVERTED;
2147 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2148 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2149 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2150 video_reg = video_out[vo][5];
2151 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2152 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2153 if (vid_port_opts & SET_CLOCK_INVERTED)
2154 video_reg |= VP_CLK_CTRL1_INVERTED;
2155 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2156 video_reg = video_out[vo][6];
2157 if (vid_port_opts & SET_VSYNC_OFF) {
2158 video_reg &= ~VP_VS_TYPE_MASK;
2159 video_reg |= VP_VS_TYPE_OFF;
2161 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2162 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2163 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2165 /* Start videoport */
2166 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2171 int saa7134_video_init2(struct saa7134_dev *dev)
2174 set_tvnorm(dev,&tvnorms[0]);
2176 v4l2_ctrl_handler_setup(&dev->ctrl_handler);
2177 saa7134_tvaudio_setmute(dev);
2178 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2182 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2184 static const char *st[] = {
2185 "(no signal)", "NTSC", "PAL", "SECAM" };
2188 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2189 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2190 video_dbg("DCSDT: pll: %s, sync: %s, norm: %s\n",
2191 (st1 & 0x40) ? "not locked" : "locked",
2192 (st2 & 0x40) ? "no" : "yes",
2194 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2196 if (dev->nosignal) {
2197 /* no video signal -> mute audio */
2198 if (dev->ctl_automute)
2200 saa7134_tvaudio_setmute(dev);
2202 /* wake up tvaudio audio carrier scan thread */
2203 saa7134_tvaudio_do_scan(dev);
2206 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2207 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2209 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2211 if (dev->mops && dev->mops->signal_change)
2212 dev->mops->signal_change(dev);
2216 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2218 enum v4l2_field field;
2220 spin_lock(&dev->slock);
2221 if (dev->video_q.curr) {
2223 if (V4L2_FIELD_HAS_BOTH(field)) {
2224 /* make sure we have seen both fields */
2225 if ((status & 0x10) == 0x00) {
2226 dev->video_q.curr->top_seen = 1;
2229 if (!dev->video_q.curr->top_seen)
2231 } else if (field == V4L2_FIELD_TOP) {
2232 if ((status & 0x10) != 0x10)
2234 } else if (field == V4L2_FIELD_BOTTOM) {
2235 if ((status & 0x10) != 0x00)
2238 saa7134_buffer_finish(dev, &dev->video_q, VB2_BUF_STATE_DONE);
2240 saa7134_buffer_next(dev, &dev->video_q);
2243 spin_unlock(&dev->slock);