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 "saa7134-reg.h"
32 #include <media/v4l2-common.h>
34 #ifdef CONFIG_VIDEO_V4L1_COMPAT
35 /* Include V4L1 specific functions. Should be removed soon */
36 #include <linux/videodev.h>
39 /* ------------------------------------------------------------------ */
41 static unsigned int video_debug = 0;
42 static unsigned int gbuffers = 8;
43 static unsigned int noninterlaced = 0;
44 static unsigned int gbufsize = 720*576*4;
45 static unsigned int gbufsize_max = 720*576*4;
46 static char secam[] = "--";
47 module_param(video_debug, int, 0644);
48 MODULE_PARM_DESC(video_debug,"enable debug messages [video]");
49 module_param(gbuffers, int, 0444);
50 MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32");
51 module_param(noninterlaced, int, 0644);
52 MODULE_PARM_DESC(noninterlaced,"capture non interlaced video");
53 module_param_string(secam, secam, sizeof(secam), 0644);
54 MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc");
57 #define dprintk(fmt, arg...) if (video_debug) \
58 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## 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 = 22, \
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 #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
377 #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
378 #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
379 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
380 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
382 static const struct v4l2_queryctrl no_ctrl = {
384 .flags = V4L2_CTRL_FLAG_DISABLED,
386 static const struct v4l2_queryctrl video_ctrls[] = {
389 .id = V4L2_CID_BRIGHTNESS,
390 .name = "Brightness",
394 .default_value = 128,
395 .type = V4L2_CTRL_TYPE_INTEGER,
397 .id = V4L2_CID_CONTRAST,
403 .type = V4L2_CTRL_TYPE_INTEGER,
405 .id = V4L2_CID_SATURATION,
406 .name = "Saturation",
411 .type = V4L2_CTRL_TYPE_INTEGER,
419 .type = V4L2_CTRL_TYPE_INTEGER,
421 .id = V4L2_CID_HFLIP,
425 .type = V4L2_CTRL_TYPE_BOOLEAN,
429 .id = V4L2_CID_AUDIO_MUTE,
433 .type = V4L2_CTRL_TYPE_BOOLEAN,
435 .id = V4L2_CID_AUDIO_VOLUME,
441 .type = V4L2_CTRL_TYPE_INTEGER,
443 /* --- private --- */
445 .id = V4L2_CID_PRIVATE_INVERT,
449 .type = V4L2_CTRL_TYPE_BOOLEAN,
451 .id = V4L2_CID_PRIVATE_Y_ODD,
452 .name = "y offset odd field",
456 .type = V4L2_CTRL_TYPE_INTEGER,
458 .id = V4L2_CID_PRIVATE_Y_EVEN,
459 .name = "y offset even field",
463 .type = V4L2_CTRL_TYPE_INTEGER,
465 .id = V4L2_CID_PRIVATE_AUTOMUTE,
470 .type = V4L2_CTRL_TYPE_BOOLEAN,
473 static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls);
475 static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id)
479 for (i = 0; i < CTRLS; i++)
480 if (video_ctrls[i].id == id)
481 return video_ctrls+i;
485 static struct saa7134_format* format_by_fourcc(unsigned int fourcc)
489 for (i = 0; i < FORMATS; i++)
490 if (formats[i].fourcc == fourcc)
495 /* ----------------------------------------------------------------------- */
496 /* resource management */
498 static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit)
500 if (fh->resources & bit)
501 /* have it already allocated */
505 mutex_lock(&dev->lock);
506 if (dev->resources & bit) {
507 /* no, someone else uses it */
508 mutex_unlock(&dev->lock);
511 /* it's free, grab it */
512 fh->resources |= bit;
513 dev->resources |= bit;
514 dprintk("res: get %d\n",bit);
515 mutex_unlock(&dev->lock);
519 static int res_check(struct saa7134_fh *fh, unsigned int bit)
521 return (fh->resources & bit);
524 static int res_locked(struct saa7134_dev *dev, unsigned int bit)
526 return (dev->resources & bit);
530 void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
532 BUG_ON((fh->resources & bits) != bits);
534 mutex_lock(&dev->lock);
535 fh->resources &= ~bits;
536 dev->resources &= ~bits;
537 dprintk("res: put %d\n",bits);
538 mutex_unlock(&dev->lock);
541 /* ------------------------------------------------------------------ */
543 static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm)
546 dprintk("set tv norm = %s\n",norm->name);
550 dev->crop_bounds.left = norm->h_start;
551 dev->crop_defrect.left = norm->h_start;
552 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
553 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
555 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
556 dev->crop_defrect.top = norm->video_v_start*2;
557 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
558 - dev->crop_bounds.top;
559 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
561 dev->crop_current = dev->crop_defrect;
563 saa7134_set_tvnorm_hw(dev);
567 static void video_mux(struct saa7134_dev *dev, int input)
569 dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
570 dev->ctl_input = input;
571 set_tvnorm(dev, dev->tvnorm);
572 saa7134_tvaudio_setinput(dev, &card_in(dev, input));
576 static void saa7134_set_decoder(struct saa7134_dev *dev)
578 int luma_control, sync_control, mux;
580 struct saa7134_tvnorm *norm = dev->tvnorm;
581 mux = card_in(dev, dev->ctl_input).vmux;
583 luma_control = norm->luma_control;
584 sync_control = norm->sync_control;
587 luma_control |= 0x80; /* svideo */
588 if (noninterlaced || dev->nosignal)
589 sync_control |= 0x20;
591 /* setup video decoder */
592 saa_writeb(SAA7134_INCR_DELAY, 0x08);
593 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
594 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
596 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
597 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
598 saa_writeb(SAA7134_HSYNC_START, 0xeb);
599 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
600 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
602 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
603 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
604 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
606 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
607 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
609 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
610 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
612 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
613 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
614 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
616 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
617 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
619 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
620 saa_writeb(SAA7134_VGATE_START, 0x11);
621 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
622 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
623 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
624 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
627 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
629 saa7134_set_decoder(dev);
631 if (card_in(dev, dev->ctl_input).tv) {
632 if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
633 && ((card(dev).tuner_config == 1)
634 || (card(dev).tuner_config == 2)))
635 saa7134_set_gpio(dev, 22, 5);
636 saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id);
640 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
642 static const struct {
649 /* XPSC XACL XC2_1 XDCG VPFY */
661 static const int count = ARRAY_SIZE(vals);
664 for (i = 0; i < count; i++)
665 if (vals[i].xpsc == prescale)
670 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
671 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
672 saa_writeb(SAA7134_LEVEL_CTRL(task),
673 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
674 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
675 (vals[i].vpfy << 2) | vals[i].vpfy);
678 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
682 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
683 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
685 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
688 dprintk("yscale LPI yscale=%d\n",yscale);
689 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
690 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
691 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
694 val = 0x40 * 1024 / yscale;
695 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
696 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
697 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
698 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
700 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
703 static void set_size(struct saa7134_dev *dev, int task,
704 int width, int height, int interlace)
706 int prescale,xscale,yscale,y_even,y_odd;
707 int h_start, h_stop, v_start, v_stop;
708 int div = interlace ? 2 : 1;
710 /* setup video scaler */
711 h_start = dev->crop_current.left;
712 v_start = dev->crop_current.top/2;
713 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
714 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
716 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
717 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
718 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
719 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
720 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
721 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
722 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
723 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
725 prescale = dev->crop_current.width / width;
728 xscale = 1024 * dev->crop_current.width / prescale / width;
729 yscale = 512 * div * dev->crop_current.height / height;
730 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
731 set_h_prescale(dev,task,prescale);
732 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
733 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
734 set_v_scale(dev,task,yscale);
736 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
737 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
738 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
739 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
741 /* deinterlace y offsets */
742 y_odd = dev->ctl_y_odd;
743 y_even = dev->ctl_y_even;
744 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
745 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
746 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
747 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
750 /* ------------------------------------------------------------------ */
758 static void set_cliplist(struct saa7134_dev *dev, int reg,
759 struct cliplist *cl, int entries, char *name)
764 for (i = 0; i < entries; i++) {
765 winbits |= cl[i].enable;
766 winbits &= ~cl[i].disable;
767 if (i < 15 && cl[i].position == cl[i+1].position)
769 saa_writeb(reg + 0, winbits);
770 saa_writeb(reg + 2, cl[i].position & 0xff);
771 saa_writeb(reg + 3, cl[i].position >> 8);
772 dprintk("clip: %s winbits=%02x pos=%d\n",
773 name,winbits,cl[i].position);
776 for (; reg < 0x400; reg += 8) {
777 saa_writeb(reg+ 0, 0);
778 saa_writeb(reg + 1, 0);
779 saa_writeb(reg + 2, 0);
780 saa_writeb(reg + 3, 0);
784 static int clip_range(int val)
791 /* Sort into smallest position first order */
792 static int cliplist_cmp(const void *a, const void *b)
794 const struct cliplist *cla = a;
795 const struct cliplist *clb = b;
796 if (cla->position < clb->position)
798 if (cla->position > clb->position)
803 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
804 int nclips, int interlace)
806 struct cliplist col[16], row[16];
807 int cols = 0, rows = 0, i;
808 int div = interlace ? 2 : 1;
810 memset(col, 0, sizeof(col));
811 memset(row, 0, sizeof(row));
812 for (i = 0; i < nclips && i < 8; i++) {
813 col[cols].position = clip_range(clips[i].c.left);
814 col[cols].enable = (1 << i);
816 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
817 col[cols].disable = (1 << i);
819 row[rows].position = clip_range(clips[i].c.top / div);
820 row[rows].enable = (1 << i);
822 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
824 row[rows].disable = (1 << i);
827 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
828 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
829 set_cliplist(dev,0x380,col,cols,"cols");
830 set_cliplist(dev,0x384,row,rows,"rows");
834 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
836 enum v4l2_field field;
839 if (NULL == dev->ovbuf.base)
841 if (NULL == dev->ovfmt)
843 if (win->w.width < 48 || win->w.height < 32)
845 if (win->clipcount > 2048)
849 maxw = dev->crop_current.width;
850 maxh = dev->crop_current.height;
852 if (V4L2_FIELD_ANY == field) {
853 field = (win->w.height > maxh/2)
854 ? V4L2_FIELD_INTERLACED
859 case V4L2_FIELD_BOTTOM:
862 case V4L2_FIELD_INTERLACED:
869 if (win->w.width > maxw)
871 if (win->w.height > maxh)
872 win->w.height = maxh;
876 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
878 unsigned long base,control,bpl;
881 err = verify_preview(dev,&fh->win);
885 dev->ovfield = fh->win.field;
886 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
887 fh->win.w.width,fh->win.w.height,
888 fh->win.w.left,fh->win.w.top,
889 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
891 /* setup window + clipping */
892 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
893 V4L2_FIELD_HAS_BOTH(dev->ovfield));
894 setup_clipping(dev,fh->clips,fh->nclips,
895 V4L2_FIELD_HAS_BOTH(dev->ovfield));
897 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
899 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
900 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
902 /* dma: setup channel 1 (= Video Task B) */
903 base = (unsigned long)dev->ovbuf.base;
904 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
905 base += dev->ovfmt->depth/8 * fh->win.w.left;
906 bpl = dev->ovbuf.fmt.bytesperline;
907 control = SAA7134_RS_CONTROL_BURST_16;
908 if (dev->ovfmt->bswap)
909 control |= SAA7134_RS_CONTROL_BSWAP;
910 if (dev->ovfmt->wswap)
911 control |= SAA7134_RS_CONTROL_WSWAP;
912 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
913 saa_writel(SAA7134_RS_BA1(1),base);
914 saa_writel(SAA7134_RS_BA2(1),base+bpl);
915 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
916 saa_writel(SAA7134_RS_CONTROL(1),control);
918 saa_writel(SAA7134_RS_BA1(1),base);
919 saa_writel(SAA7134_RS_BA2(1),base);
920 saa_writel(SAA7134_RS_PITCH(1),bpl);
921 saa_writel(SAA7134_RS_CONTROL(1),control);
926 saa7134_set_dmabits(dev);
931 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
934 saa7134_set_dmabits(dev);
938 /* ------------------------------------------------------------------ */
940 static int buffer_activate(struct saa7134_dev *dev,
941 struct saa7134_buf *buf,
942 struct saa7134_buf *next)
944 unsigned long base,control,bpl;
945 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
947 dprintk("buffer_activate buf=%p\n",buf);
948 buf->vb.state = VIDEOBUF_ACTIVE;
951 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
952 V4L2_FIELD_HAS_BOTH(buf->vb.field));
954 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
956 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
957 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
959 /* DMA: setup channel 0 (= Video Task A0) */
960 base = saa7134_buffer_base(buf);
961 if (buf->fmt->planar)
964 bpl = (buf->vb.width * buf->fmt->depth) / 8;
965 control = SAA7134_RS_CONTROL_BURST_16 |
966 SAA7134_RS_CONTROL_ME |
967 (buf->pt->dma >> 12);
969 control |= SAA7134_RS_CONTROL_BSWAP;
971 control |= SAA7134_RS_CONTROL_WSWAP;
972 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
974 saa_writel(SAA7134_RS_BA1(0),base);
975 saa_writel(SAA7134_RS_BA2(0),base+bpl);
976 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
979 saa_writel(SAA7134_RS_BA1(0),base);
980 saa_writel(SAA7134_RS_BA2(0),base);
981 saa_writel(SAA7134_RS_PITCH(0),bpl);
983 saa_writel(SAA7134_RS_CONTROL(0),control);
985 if (buf->fmt->planar) {
986 /* DMA: setup channel 4+5 (= planar task A) */
987 bpl_uv = bpl >> buf->fmt->hshift;
988 lines_uv = buf->vb.height >> buf->fmt->vshift;
989 base2 = base + bpl * buf->vb.height;
990 base3 = base2 + bpl_uv * lines_uv;
991 if (buf->fmt->uvswap)
992 tmp = base2, base2 = base3, base3 = tmp;
993 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
994 bpl_uv,lines_uv,base2,base3);
995 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
997 saa_writel(SAA7134_RS_BA1(4),base2);
998 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
999 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
1000 saa_writel(SAA7134_RS_BA1(5),base3);
1001 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
1002 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
1004 /* non-interlaced */
1005 saa_writel(SAA7134_RS_BA1(4),base2);
1006 saa_writel(SAA7134_RS_BA2(4),base2);
1007 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1008 saa_writel(SAA7134_RS_BA1(5),base3);
1009 saa_writel(SAA7134_RS_BA2(5),base3);
1010 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1012 saa_writel(SAA7134_RS_CONTROL(4),control);
1013 saa_writel(SAA7134_RS_CONTROL(5),control);
1017 saa7134_set_dmabits(dev);
1018 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1022 static int buffer_prepare(struct videobuf_queue *q,
1023 struct videobuf_buffer *vb,
1024 enum v4l2_field field)
1026 struct saa7134_fh *fh = q->priv_data;
1027 struct saa7134_dev *dev = fh->dev;
1028 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1033 if (NULL == fh->fmt)
1035 if (fh->width < 48 ||
1037 fh->width/4 > dev->crop_current.width ||
1038 fh->height/4 > dev->crop_current.height ||
1039 fh->width > dev->crop_bounds.width ||
1040 fh->height > dev->crop_bounds.height)
1042 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1043 if (0 != buf->vb.baddr && buf->vb.bsize < size)
1046 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1047 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1049 if (buf->vb.width != fh->width ||
1050 buf->vb.height != fh->height ||
1051 buf->vb.size != size ||
1052 buf->vb.field != field ||
1053 buf->fmt != fh->fmt) {
1054 saa7134_dma_free(q,buf);
1057 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1058 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1060 buf->vb.width = fh->width;
1061 buf->vb.height = fh->height;
1062 buf->vb.size = size;
1063 buf->vb.field = field;
1065 buf->pt = &fh->pt_cap;
1067 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1070 err = saa7134_pgtable_build(dev->pci,buf->pt,
1073 saa7134_buffer_startpage(buf));
1077 buf->vb.state = VIDEOBUF_PREPARED;
1078 buf->activate = buffer_activate;
1082 saa7134_dma_free(q,buf);
1087 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1089 struct saa7134_fh *fh = q->priv_data;
1091 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1094 *count = saa7134_buffer_count(*size,*count);
1098 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1100 struct saa7134_fh *fh = q->priv_data;
1101 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1103 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1106 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1108 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1110 saa7134_dma_free(q,buf);
1113 static struct videobuf_queue_ops video_qops = {
1114 .buf_setup = buffer_setup,
1115 .buf_prepare = buffer_prepare,
1116 .buf_queue = buffer_queue,
1117 .buf_release = buffer_release,
1120 /* ------------------------------------------------------------------ */
1122 static int vidioc_g_ctrl(struct file *file, void *priv,
1123 struct v4l2_control *c)
1125 struct saa7134_fh *fh = priv;
1126 struct saa7134_dev *dev = fh->dev;
1127 const struct v4l2_queryctrl* ctrl;
1129 ctrl = ctrl_by_id(c->id);
1133 case V4L2_CID_BRIGHTNESS:
1134 c->value = dev->ctl_bright;
1137 c->value = dev->ctl_hue;
1139 case V4L2_CID_CONTRAST:
1140 c->value = dev->ctl_contrast;
1142 case V4L2_CID_SATURATION:
1143 c->value = dev->ctl_saturation;
1145 case V4L2_CID_AUDIO_MUTE:
1146 c->value = dev->ctl_mute;
1148 case V4L2_CID_AUDIO_VOLUME:
1149 c->value = dev->ctl_volume;
1151 case V4L2_CID_PRIVATE_INVERT:
1152 c->value = dev->ctl_invert;
1154 case V4L2_CID_HFLIP:
1155 c->value = dev->ctl_mirror;
1157 case V4L2_CID_PRIVATE_Y_EVEN:
1158 c->value = dev->ctl_y_even;
1160 case V4L2_CID_PRIVATE_Y_ODD:
1161 c->value = dev->ctl_y_odd;
1163 case V4L2_CID_PRIVATE_AUTOMUTE:
1164 c->value = dev->ctl_automute;
1172 static int vidioc_s_ctrl(struct file *file, void *f,
1173 struct v4l2_control *c)
1175 const struct v4l2_queryctrl* ctrl;
1176 struct saa7134_fh *fh = f;
1177 struct saa7134_dev *dev = fh->dev;
1178 unsigned long flags;
1179 int restart_overlay = 0;
1181 mutex_lock(&dev->lock);
1182 ctrl = ctrl_by_id(c->id);
1185 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1186 switch (ctrl->type) {
1187 case V4L2_CTRL_TYPE_BOOLEAN:
1188 case V4L2_CTRL_TYPE_MENU:
1189 case V4L2_CTRL_TYPE_INTEGER:
1190 if (c->value < ctrl->minimum)
1191 c->value = ctrl->minimum;
1192 if (c->value > ctrl->maximum)
1193 c->value = ctrl->maximum;
1199 case V4L2_CID_BRIGHTNESS:
1200 dev->ctl_bright = c->value;
1201 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1204 dev->ctl_hue = c->value;
1205 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1207 case V4L2_CID_CONTRAST:
1208 dev->ctl_contrast = c->value;
1209 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1210 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1212 case V4L2_CID_SATURATION:
1213 dev->ctl_saturation = c->value;
1214 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1215 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1217 case V4L2_CID_AUDIO_MUTE:
1218 dev->ctl_mute = c->value;
1219 saa7134_tvaudio_setmute(dev);
1221 case V4L2_CID_AUDIO_VOLUME:
1222 dev->ctl_volume = c->value;
1223 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1225 case V4L2_CID_PRIVATE_INVERT:
1226 dev->ctl_invert = c->value;
1227 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1228 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1229 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1230 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1232 case V4L2_CID_HFLIP:
1233 dev->ctl_mirror = c->value;
1234 restart_overlay = 1;
1236 case V4L2_CID_PRIVATE_Y_EVEN:
1237 dev->ctl_y_even = c->value;
1238 restart_overlay = 1;
1240 case V4L2_CID_PRIVATE_Y_ODD:
1241 dev->ctl_y_odd = c->value;
1242 restart_overlay = 1;
1244 case V4L2_CID_PRIVATE_AUTOMUTE:
1246 struct v4l2_priv_tun_config tda9887_cfg;
1248 tda9887_cfg.tuner = TUNER_TDA9887;
1249 tda9887_cfg.priv = &dev->tda9887_conf;
1251 dev->ctl_automute = c->value;
1252 if (dev->tda9887_conf) {
1253 if (dev->ctl_automute)
1254 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1256 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1258 saa7134_i2c_call_clients(dev, TUNER_SET_CONFIG,
1264 mutex_unlock(&dev->lock);
1267 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1268 spin_lock_irqsave(&dev->slock,flags);
1269 stop_preview(dev,fh);
1270 start_preview(dev,fh);
1271 spin_unlock_irqrestore(&dev->slock,flags);
1273 mutex_unlock(&dev->lock);
1277 /* ------------------------------------------------------------------ */
1279 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1281 struct videobuf_queue* q = NULL;
1284 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1287 case V4L2_BUF_TYPE_VBI_CAPTURE:
1296 static int saa7134_resource(struct saa7134_fh *fh)
1298 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1299 return RESOURCE_VIDEO;
1301 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1302 return RESOURCE_VBI;
1308 static int video_open(struct inode *inode, struct file *file)
1310 int minor = iminor(inode);
1311 struct saa7134_dev *dev;
1312 struct saa7134_fh *fh;
1313 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1315 list_for_each_entry(dev, &saa7134_devlist, devlist) {
1316 if (dev->video_dev && (dev->video_dev->minor == minor))
1318 if (dev->radio_dev && (dev->radio_dev->minor == minor)) {
1322 if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) {
1323 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1330 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1331 v4l2_type_names[type]);
1333 /* allocate + initialize per filehandle data */
1334 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1337 file->private_data = fh;
1341 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1344 v4l2_prio_open(&dev->prio,&fh->prio);
1346 videobuf_queue_pci_init(&fh->cap, &video_qops,
1347 dev->pci, &dev->slock,
1348 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1349 V4L2_FIELD_INTERLACED,
1350 sizeof(struct saa7134_buf),
1352 videobuf_queue_pci_init(&fh->vbi, &saa7134_vbi_qops,
1353 dev->pci, &dev->slock,
1354 V4L2_BUF_TYPE_VBI_CAPTURE,
1356 sizeof(struct saa7134_buf),
1358 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1359 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1362 /* switch to radio mode */
1363 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1364 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1366 /* switch to video/vbi mode */
1367 video_mux(dev,dev->ctl_input);
1373 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1375 struct saa7134_fh *fh = file->private_data;
1378 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1379 if (res_locked(fh->dev,RESOURCE_VIDEO))
1381 return videobuf_read_one(saa7134_queue(fh),
1383 file->f_flags & O_NONBLOCK);
1384 case V4L2_BUF_TYPE_VBI_CAPTURE:
1385 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1387 return videobuf_read_stream(saa7134_queue(fh),
1388 data, count, ppos, 1,
1389 file->f_flags & O_NONBLOCK);
1398 video_poll(struct file *file, struct poll_table_struct *wait)
1400 struct saa7134_fh *fh = file->private_data;
1401 struct videobuf_buffer *buf = NULL;
1403 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1404 return videobuf_poll_stream(file, &fh->vbi, wait);
1406 if (res_check(fh,RESOURCE_VIDEO)) {
1407 if (!list_empty(&fh->cap.stream))
1408 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1410 mutex_lock(&fh->cap.lock);
1411 if (UNSET == fh->cap.read_off) {
1412 /* need to capture a new frame */
1413 if (res_locked(fh->dev,RESOURCE_VIDEO)) {
1414 mutex_unlock(&fh->cap.lock);
1417 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
1418 mutex_unlock(&fh->cap.lock);
1421 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1422 fh->cap.read_off = 0;
1424 mutex_unlock(&fh->cap.lock);
1425 buf = fh->cap.read_buf;
1431 poll_wait(file, &buf->done, wait);
1432 if (buf->state == VIDEOBUF_DONE ||
1433 buf->state == VIDEOBUF_ERROR)
1434 return POLLIN|POLLRDNORM;
1438 static int video_release(struct inode *inode, struct file *file)
1440 struct saa7134_fh *fh = file->private_data;
1441 struct saa7134_dev *dev = fh->dev;
1442 unsigned long flags;
1444 /* turn off overlay */
1445 if (res_check(fh, RESOURCE_OVERLAY)) {
1446 spin_lock_irqsave(&dev->slock,flags);
1447 stop_preview(dev,fh);
1448 spin_unlock_irqrestore(&dev->slock,flags);
1449 res_free(dev,fh,RESOURCE_OVERLAY);
1452 /* stop video capture */
1453 if (res_check(fh, RESOURCE_VIDEO)) {
1454 videobuf_streamoff(&fh->cap);
1455 res_free(dev,fh,RESOURCE_VIDEO);
1457 if (fh->cap.read_buf) {
1458 buffer_release(&fh->cap,fh->cap.read_buf);
1459 kfree(fh->cap.read_buf);
1462 /* stop vbi capture */
1463 if (res_check(fh, RESOURCE_VBI)) {
1464 videobuf_stop(&fh->vbi);
1465 res_free(dev,fh,RESOURCE_VBI);
1468 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1469 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1470 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1471 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1472 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1474 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1477 videobuf_mmap_free(&fh->cap);
1478 videobuf_mmap_free(&fh->vbi);
1479 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1480 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1482 v4l2_prio_close(&dev->prio,&fh->prio);
1483 file->private_data = NULL;
1488 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1490 struct saa7134_fh *fh = file->private_data;
1492 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1495 /* ------------------------------------------------------------------ */
1497 static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f)
1499 struct saa7134_tvnorm *norm = dev->tvnorm;
1501 f->fmt.vbi.sampling_rate = 6750000 * 4;
1502 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1503 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1504 f->fmt.vbi.offset = 64 * 4;
1505 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1506 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1507 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1508 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1509 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1513 static int vidioc_g_fmt_cap(struct file *file, void *priv,
1514 struct v4l2_format *f)
1516 struct saa7134_fh *fh = priv;
1517 struct saa7134_dev *dev = fh->dev;
1520 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1521 memset(&f->fmt.pix,0,sizeof(f->fmt.pix));
1522 f->fmt.pix.width = fh->width;
1523 f->fmt.pix.height = fh->height;
1524 f->fmt.pix.field = fh->cap.field;
1525 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1526 f->fmt.pix.bytesperline =
1527 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1528 f->fmt.pix.sizeimage =
1529 f->fmt.pix.height * f->fmt.pix.bytesperline;
1531 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1532 if (saa7134_no_overlay > 0) {
1533 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1536 f->fmt.win = fh->win;
1538 case V4L2_BUF_TYPE_VBI_CAPTURE:
1539 saa7134_vbi_fmt(dev,f);
1546 static int vidioc_try_fmt_cap(struct file *file, void *priv,
1547 struct v4l2_format *f)
1549 struct saa7134_fh *fh = priv;
1550 struct saa7134_dev *dev = fh->dev;
1554 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1556 struct saa7134_format *fmt;
1557 enum v4l2_field field;
1558 unsigned int maxw, maxh;
1560 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1564 field = f->fmt.pix.field;
1565 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1566 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1568 if (V4L2_FIELD_ANY == field) {
1569 field = (f->fmt.pix.height > maxh/2)
1570 ? V4L2_FIELD_INTERLACED
1571 : V4L2_FIELD_BOTTOM;
1574 case V4L2_FIELD_TOP:
1575 case V4L2_FIELD_BOTTOM:
1578 case V4L2_FIELD_INTERLACED:
1584 f->fmt.pix.field = field;
1585 if (f->fmt.pix.width < 48)
1586 f->fmt.pix.width = 48;
1587 if (f->fmt.pix.height < 32)
1588 f->fmt.pix.height = 32;
1589 if (f->fmt.pix.width > maxw)
1590 f->fmt.pix.width = maxw;
1591 if (f->fmt.pix.height > maxh)
1592 f->fmt.pix.height = maxh;
1593 f->fmt.pix.width &= ~0x03;
1594 f->fmt.pix.bytesperline =
1595 (f->fmt.pix.width * fmt->depth) >> 3;
1596 f->fmt.pix.sizeimage =
1597 f->fmt.pix.height * f->fmt.pix.bytesperline;
1601 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1602 if (saa7134_no_overlay > 0) {
1603 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1606 err = verify_preview(dev,&f->fmt.win);
1610 case V4L2_BUF_TYPE_VBI_CAPTURE:
1611 saa7134_vbi_fmt(dev,f);
1618 static int vidioc_s_fmt_cap(struct file *file, void *priv,
1619 struct v4l2_format *f)
1621 struct saa7134_fh *fh = priv;
1622 struct saa7134_dev *dev = fh->dev;
1623 unsigned long flags;
1627 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1628 err = vidioc_try_fmt_cap(file, priv, f);
1632 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1633 fh->width = f->fmt.pix.width;
1634 fh->height = f->fmt.pix.height;
1635 fh->cap.field = f->fmt.pix.field;
1637 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
1638 if (saa7134_no_overlay > 0) {
1639 printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1642 err = verify_preview(dev,&f->fmt.win);
1646 mutex_lock(&dev->lock);
1647 fh->win = f->fmt.win;
1648 fh->nclips = f->fmt.win.clipcount;
1651 if (copy_from_user(fh->clips,f->fmt.win.clips,
1652 sizeof(struct v4l2_clip)*fh->nclips)) {
1653 mutex_unlock(&dev->lock);
1657 if (res_check(fh, RESOURCE_OVERLAY)) {
1658 spin_lock_irqsave(&dev->slock,flags);
1659 stop_preview(dev,fh);
1660 start_preview(dev,fh);
1661 spin_unlock_irqrestore(&dev->slock,flags);
1663 mutex_unlock(&dev->lock);
1665 case V4L2_BUF_TYPE_VBI_CAPTURE:
1666 saa7134_vbi_fmt(dev,f);
1673 static int vidioc_queryctrl(struct file *file, void *priv,
1674 struct v4l2_queryctrl *c)
1676 const struct v4l2_queryctrl *ctrl;
1678 if ((c->id < V4L2_CID_BASE ||
1679 c->id >= V4L2_CID_LASTP1) &&
1680 (c->id < V4L2_CID_PRIVATE_BASE ||
1681 c->id >= V4L2_CID_PRIVATE_LASTP1))
1683 ctrl = ctrl_by_id(c->id);
1684 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1688 static int vidioc_enum_input(struct file *file, void *priv,
1689 struct v4l2_input *i)
1691 struct saa7134_fh *fh = priv;
1692 struct saa7134_dev *dev = fh->dev;
1696 if (n >= SAA7134_INPUT_MAX)
1698 if (NULL == card_in(dev, i->index).name)
1700 memset(i, 0, sizeof(*i));
1702 i->type = V4L2_INPUT_TYPE_CAMERA;
1703 strcpy(i->name, card_in(dev, n).name);
1704 if (card_in(dev, n).tv)
1705 i->type = V4L2_INPUT_TYPE_TUNER;
1707 if (n == dev->ctl_input) {
1708 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1709 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1711 if (0 != (v1 & 0x40))
1712 i->status |= V4L2_IN_ST_NO_H_LOCK;
1713 if (0 != (v2 & 0x40))
1714 i->status |= V4L2_IN_ST_NO_SYNC;
1715 if (0 != (v2 & 0x0e))
1716 i->status |= V4L2_IN_ST_MACROVISION;
1718 for (n = 0; n < TVNORMS; n++)
1719 i->std |= tvnorms[n].id;
1723 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1725 struct saa7134_fh *fh = priv;
1726 struct saa7134_dev *dev = fh->dev;
1728 *i = dev->ctl_input;
1732 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1734 struct saa7134_fh *fh = priv;
1735 struct saa7134_dev *dev = fh->dev;
1737 if (i < 0 || i >= SAA7134_INPUT_MAX)
1739 if (NULL == card_in(dev, i).name)
1741 mutex_lock(&dev->lock);
1743 mutex_unlock(&dev->lock);
1747 static int vidioc_querycap(struct file *file, void *priv,
1748 struct v4l2_capability *cap)
1750 struct saa7134_fh *fh = priv;
1751 struct saa7134_dev *dev = fh->dev;
1753 unsigned int tuner_type = dev->tuner_type;
1755 memset(cap, 0, sizeof(*cap));
1756 strcpy(cap->driver, "saa7134");
1757 strlcpy(cap->card, saa7134_boards[dev->board].name,
1759 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1760 cap->version = SAA7134_VERSION_CODE;
1762 V4L2_CAP_VIDEO_CAPTURE |
1763 V4L2_CAP_VBI_CAPTURE |
1764 V4L2_CAP_READWRITE |
1765 V4L2_CAP_STREAMING |
1767 if (saa7134_no_overlay <= 0)
1768 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1770 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1771 cap->capabilities &= ~V4L2_CAP_TUNER;
1775 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id * id)
1777 struct saa7134_fh *fh = priv;
1778 struct saa7134_dev *dev = fh->dev;
1779 unsigned long flags;
1783 for (i = 0; i < TVNORMS; i++)
1784 if (*id == tvnorms[i].id)
1787 for (i = 0; i < TVNORMS; i++)
1788 if (*id & tvnorms[i].id)
1792 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1793 if (secam[0] == 'L' || secam[0] == 'l') {
1794 if (secam[1] == 'C' || secam[1] == 'c')
1795 fixup = V4L2_STD_SECAM_LC;
1797 fixup = V4L2_STD_SECAM_L;
1799 if (secam[0] == 'D' || secam[0] == 'd')
1800 fixup = V4L2_STD_SECAM_DK;
1802 fixup = V4L2_STD_SECAM;
1804 for (i = 0; i < TVNORMS; i++)
1805 if (fixup == tvnorms[i].id)
1808 mutex_lock(&dev->lock);
1809 if (res_check(fh, RESOURCE_OVERLAY)) {
1810 spin_lock_irqsave(&dev->slock, flags);
1811 stop_preview(dev, fh);
1812 spin_unlock_irqrestore(&dev->slock, flags);
1814 set_tvnorm(dev, &tvnorms[i]);
1816 spin_lock_irqsave(&dev->slock, flags);
1817 start_preview(dev, fh);
1818 spin_unlock_irqrestore(&dev->slock, flags);
1820 set_tvnorm(dev, &tvnorms[i]);
1821 saa7134_tvaudio_do_scan(dev);
1822 mutex_unlock(&dev->lock);
1826 static int vidioc_cropcap(struct file *file, void *priv,
1827 struct v4l2_cropcap *cap)
1829 struct saa7134_fh *fh = priv;
1830 struct saa7134_dev *dev = fh->dev;
1832 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1833 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1835 cap->bounds = dev->crop_bounds;
1836 cap->defrect = dev->crop_defrect;
1837 cap->pixelaspect.numerator = 1;
1838 cap->pixelaspect.denominator = 1;
1839 if (dev->tvnorm->id & V4L2_STD_525_60) {
1840 cap->pixelaspect.numerator = 11;
1841 cap->pixelaspect.denominator = 10;
1843 if (dev->tvnorm->id & V4L2_STD_625_50) {
1844 cap->pixelaspect.numerator = 54;
1845 cap->pixelaspect.denominator = 59;
1850 static int vidioc_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1852 struct saa7134_fh *fh = f;
1853 struct saa7134_dev *dev = fh->dev;
1855 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1856 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1858 crop->c = dev->crop_current;
1862 static int vidioc_s_crop(struct file *file, void *f, struct v4l2_crop *crop)
1864 struct saa7134_fh *fh = f;
1865 struct saa7134_dev *dev = fh->dev;
1866 struct v4l2_rect *b = &dev->crop_bounds;
1868 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1869 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1871 if (crop->c.height < 0)
1873 if (crop->c.width < 0)
1876 if (res_locked(fh->dev, RESOURCE_OVERLAY))
1878 if (res_locked(fh->dev, RESOURCE_VIDEO))
1881 if (crop->c.top < b->top)
1882 crop->c.top = b->top;
1883 if (crop->c.top > b->top + b->height)
1884 crop->c.top = b->top + b->height;
1885 if (crop->c.height > b->top - crop->c.top + b->height)
1886 crop->c.height = b->top - crop->c.top + b->height;
1888 if (crop->c.left < b->left)
1889 crop->c.left = b->left;
1890 if (crop->c.left > b->left + b->width)
1891 crop->c.left = b->left + b->width;
1892 if (crop->c.width > b->left - crop->c.left + b->width)
1893 crop->c.width = b->left - crop->c.left + b->width;
1895 dev->crop_current = crop->c;
1899 static int vidioc_g_tuner(struct file *file, void *priv,
1900 struct v4l2_tuner *t)
1902 struct saa7134_fh *fh = priv;
1903 struct saa7134_dev *dev = fh->dev;
1908 memset(t, 0, sizeof(*t));
1909 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1910 if (card_in(dev, n).tv)
1912 if (NULL != card_in(dev, n).name) {
1913 strcpy(t->name, "Television");
1914 t->type = V4L2_TUNER_ANALOG_TV;
1915 t->capability = V4L2_TUNER_CAP_NORM |
1916 V4L2_TUNER_CAP_STEREO |
1917 V4L2_TUNER_CAP_LANG1 |
1918 V4L2_TUNER_CAP_LANG2;
1919 t->rangehigh = 0xffffffffUL;
1920 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1921 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1923 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1928 static int vidioc_s_tuner(struct file *file, void *priv,
1929 struct v4l2_tuner *t)
1931 struct saa7134_fh *fh = priv;
1932 struct saa7134_dev *dev = fh->dev;
1935 mode = dev->thread.mode;
1936 if (UNSET == mode) {
1937 rx = saa7134_tvaudio_getstereo(dev);
1938 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1940 if (mode != t->audmode)
1941 dev->thread.mode = t->audmode;
1945 static int vidioc_g_frequency(struct file *file, void *priv,
1946 struct v4l2_frequency *f)
1948 struct saa7134_fh *fh = priv;
1949 struct saa7134_dev *dev = fh->dev;
1951 memset(f, 0, sizeof(*f));
1952 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1953 f->frequency = dev->ctl_freq;
1957 static int vidioc_s_frequency(struct file *file, void *priv,
1958 struct v4l2_frequency *f)
1960 struct saa7134_fh *fh = priv;
1961 struct saa7134_dev *dev = fh->dev;
1965 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1967 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1969 mutex_lock(&dev->lock);
1970 dev->ctl_freq = f->frequency;
1972 saa7134_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
1974 saa7134_tvaudio_do_scan(dev);
1975 mutex_unlock(&dev->lock);
1979 static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
1981 memset(a, 0, sizeof(*a));
1982 strcpy(a->name, "audio");
1986 static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
1991 static int vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p)
1993 struct saa7134_fh *fh = f;
1994 struct saa7134_dev *dev = fh->dev;
1996 *p = v4l2_prio_max(&dev->prio);
2000 static int vidioc_s_priority(struct file *file, void *f,
2001 enum v4l2_priority prio)
2003 struct saa7134_fh *fh = f;
2004 struct saa7134_dev *dev = fh->dev;
2006 return v4l2_prio_change(&dev->prio, &fh->prio, prio);
2009 static int vidioc_enum_fmt_cap(struct file *file, void *priv,
2010 struct v4l2_fmtdesc *f)
2012 enum v4l2_buf_type type;
2018 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
2019 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
2020 if (saa7134_no_overlay > 0)
2023 if (index >= FORMATS)
2026 if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY &&
2027 formats[index].planar)
2029 memset(f, 0, sizeof(*f));
2032 strlcpy(f->description, formats[index].name,
2033 sizeof(f->description));
2034 f->pixelformat = formats[index].fourcc;
2036 case V4L2_BUF_TYPE_VBI_CAPTURE:
2039 memset(f, 0, sizeof(*f));
2042 f->pixelformat = V4L2_PIX_FMT_GREY;
2043 strcpy(f->description, "vbi data");
2051 static int vidioc_g_fbuf(struct file *file, void *f,
2052 struct v4l2_framebuffer *fb)
2054 struct saa7134_fh *fh = f;
2055 struct saa7134_dev *dev = fh->dev;
2058 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2063 static int vidioc_s_fbuf(struct file *file, void *f,
2064 struct v4l2_framebuffer *fb)
2066 struct saa7134_fh *fh = f;
2067 struct saa7134_dev *dev = fh->dev;
2068 struct saa7134_format *fmt;
2070 if (!capable(CAP_SYS_ADMIN) &&
2071 !capable(CAP_SYS_RAWIO))
2075 fmt = format_by_fourcc(fb->fmt.pixelformat);
2082 if (0 == dev->ovbuf.fmt.bytesperline)
2083 dev->ovbuf.fmt.bytesperline =
2084 dev->ovbuf.fmt.width*fmt->depth/8;
2088 static int vidioc_overlay(struct file *file, void *f, unsigned int on)
2090 struct saa7134_fh *fh = f;
2091 struct saa7134_dev *dev = fh->dev;
2092 unsigned long flags;
2095 if (saa7134_no_overlay > 0) {
2096 dprintk("no_overlay\n");
2100 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2102 spin_lock_irqsave(&dev->slock, flags);
2103 start_preview(dev, fh);
2104 spin_unlock_irqrestore(&dev->slock, flags);
2107 if (!res_check(fh, RESOURCE_OVERLAY))
2109 spin_lock_irqsave(&dev->slock, flags);
2110 stop_preview(dev, fh);
2111 spin_unlock_irqrestore(&dev->slock, flags);
2112 res_free(dev, fh, RESOURCE_OVERLAY);
2117 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2118 static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
2120 struct saa7134_fh *fh = file->private_data;
2121 return videobuf_cgmbuf(saa7134_queue(fh), mbuf, 8);
2125 static int vidioc_reqbufs(struct file *file, void *priv,
2126 struct v4l2_requestbuffers *p)
2128 struct saa7134_fh *fh = priv;
2129 return videobuf_reqbufs(saa7134_queue(fh), p);
2132 static int vidioc_querybuf(struct file *file, void *priv,
2133 struct v4l2_buffer *b)
2135 struct saa7134_fh *fh = priv;
2136 return videobuf_querybuf(saa7134_queue(fh), b);
2139 static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2141 struct saa7134_fh *fh = priv;
2142 return videobuf_qbuf(saa7134_queue(fh), b);
2145 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2147 struct saa7134_fh *fh = priv;
2148 return videobuf_dqbuf(saa7134_queue(fh), b,
2149 file->f_flags & O_NONBLOCK);
2152 static int vidioc_streamon(struct file *file, void *priv,
2153 enum v4l2_buf_type type)
2155 struct saa7134_fh *fh = priv;
2156 struct saa7134_dev *dev = fh->dev;
2157 int res = saa7134_resource(fh);
2159 if (!res_get(dev, fh, res))
2162 return videobuf_streamon(saa7134_queue(fh));
2165 static int vidioc_streamoff(struct file *file, void *priv,
2166 enum v4l2_buf_type type)
2169 struct saa7134_fh *fh = priv;
2170 struct saa7134_dev *dev = fh->dev;
2171 int res = saa7134_resource(fh);
2173 err = videobuf_streamoff(saa7134_queue(fh));
2176 res_free(dev, fh, res);
2180 static int vidioc_g_parm(struct file *file, void *fh,
2181 struct v4l2_streamparm *parm)
2183 memset(parm, 0, sizeof(*parm));
2187 static int radio_querycap(struct file *file, void *priv,
2188 struct v4l2_capability *cap)
2190 struct saa7134_fh *fh = file->private_data;
2191 struct saa7134_dev *dev = fh->dev;
2193 memset(cap, 0, sizeof(*cap));
2194 strcpy(cap->driver, "saa7134");
2195 strlcpy(cap->card, saa7134_boards[dev->board].name, sizeof(cap->card));
2196 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
2197 cap->version = SAA7134_VERSION_CODE;
2198 cap->capabilities = V4L2_CAP_TUNER;
2202 static int radio_g_tuner(struct file *file, void *priv,
2203 struct v4l2_tuner *t)
2205 struct saa7134_fh *fh = file->private_data;
2206 struct saa7134_dev *dev = fh->dev;
2211 memset(t, 0, sizeof(*t));
2212 strcpy(t->name, "Radio");
2213 t->type = V4L2_TUNER_RADIO;
2215 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2216 if (dev->input->amux == TV) {
2217 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2218 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2219 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2223 static int radio_s_tuner(struct file *file, void *priv,
2224 struct v4l2_tuner *t)
2226 struct saa7134_fh *fh = file->private_data;
2227 struct saa7134_dev *dev = fh->dev;
2232 saa7134_i2c_call_clients(dev, VIDIOC_S_TUNER, t);
2236 static int radio_enum_input(struct file *file, void *priv,
2237 struct v4l2_input *i)
2242 strcpy(i->name, "Radio");
2243 i->type = V4L2_INPUT_TYPE_TUNER;
2248 static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2254 static int radio_g_audio(struct file *file, void *priv,
2255 struct v4l2_audio *a)
2257 memset(a, 0, sizeof(*a));
2258 strcpy(a->name, "Radio");
2262 static int radio_s_audio(struct file *file, void *priv,
2263 struct v4l2_audio *a)
2268 static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2273 static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm)
2278 static int radio_queryctrl(struct file *file, void *priv,
2279 struct v4l2_queryctrl *c)
2281 const struct v4l2_queryctrl *ctrl;
2283 if (c->id < V4L2_CID_BASE ||
2284 c->id >= V4L2_CID_LASTP1)
2286 if (c->id == V4L2_CID_AUDIO_MUTE) {
2287 ctrl = ctrl_by_id(c->id);
2294 static const struct file_operations video_fops =
2296 .owner = THIS_MODULE,
2298 .release = video_release,
2302 .ioctl = video_ioctl2,
2303 .compat_ioctl = v4l_compat_ioctl32,
2304 .llseek = no_llseek,
2307 static const struct file_operations radio_fops =
2309 .owner = THIS_MODULE,
2311 .release = video_release,
2312 .ioctl = video_ioctl2,
2313 .compat_ioctl = v4l_compat_ioctl32,
2314 .llseek = no_llseek,
2317 /* ----------------------------------------------------------- */
2318 /* exported stuff */
2320 struct video_device saa7134_video_template =
2322 .name = "saa7134-video",
2323 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER |
2324 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2325 .fops = &video_fops,
2327 .vidioc_querycap = vidioc_querycap,
2328 .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
2329 .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
2330 .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
2331 .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
2332 .vidioc_g_audio = vidioc_g_audio,
2333 .vidioc_s_audio = vidioc_s_audio,
2334 .vidioc_cropcap = vidioc_cropcap,
2335 .vidioc_reqbufs = vidioc_reqbufs,
2336 .vidioc_querybuf = vidioc_querybuf,
2337 .vidioc_qbuf = vidioc_qbuf,
2338 .vidioc_dqbuf = vidioc_dqbuf,
2339 .vidioc_s_std = vidioc_s_std,
2340 .vidioc_enum_input = vidioc_enum_input,
2341 .vidioc_g_input = vidioc_g_input,
2342 .vidioc_s_input = vidioc_s_input,
2343 .vidioc_queryctrl = vidioc_queryctrl,
2344 .vidioc_g_ctrl = vidioc_g_ctrl,
2345 .vidioc_s_ctrl = vidioc_s_ctrl,
2346 .vidioc_streamon = vidioc_streamon,
2347 .vidioc_streamoff = vidioc_streamoff,
2348 .vidioc_g_tuner = vidioc_g_tuner,
2349 .vidioc_s_tuner = vidioc_s_tuner,
2350 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2351 .vidiocgmbuf = vidiocgmbuf,
2353 .vidioc_g_crop = vidioc_g_crop,
2354 .vidioc_s_crop = vidioc_s_crop,
2355 .vidioc_g_fbuf = vidioc_g_fbuf,
2356 .vidioc_s_fbuf = vidioc_s_fbuf,
2357 .vidioc_overlay = vidioc_overlay,
2358 .vidioc_g_priority = vidioc_g_priority,
2359 .vidioc_s_priority = vidioc_s_priority,
2360 .vidioc_g_parm = vidioc_g_parm,
2361 .vidioc_g_frequency = vidioc_g_frequency,
2362 .vidioc_s_frequency = vidioc_s_frequency,
2365 struct video_device saa7134_vbi_template =
2367 .name = "saa7134-vbi",
2368 .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT,
2369 .fops = &video_fops,
2373 struct video_device saa7134_radio_template =
2375 .name = "saa7134-radio",
2376 .type = VID_TYPE_TUNER,
2377 .fops = &radio_fops,
2379 .vidioc_querycap = radio_querycap,
2380 .vidioc_g_tuner = radio_g_tuner,
2381 .vidioc_enum_input = radio_enum_input,
2382 .vidioc_g_audio = radio_g_audio,
2383 .vidioc_s_tuner = radio_s_tuner,
2384 .vidioc_s_audio = radio_s_audio,
2385 .vidioc_s_input = radio_s_input,
2386 .vidioc_s_std = radio_s_std,
2387 .vidioc_queryctrl = radio_queryctrl,
2388 .vidioc_g_input = radio_g_input,
2389 .vidioc_g_ctrl = vidioc_g_ctrl,
2390 .vidioc_s_ctrl = vidioc_s_ctrl,
2391 .vidioc_g_frequency = vidioc_g_frequency,
2392 .vidioc_s_frequency = vidioc_s_frequency,
2395 int saa7134_video_init1(struct saa7134_dev *dev)
2397 /* sanitycheck insmod options */
2398 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2400 if (gbufsize < 0 || gbufsize > gbufsize_max)
2401 gbufsize = gbufsize_max;
2402 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2404 /* put some sensible defaults into the data structures ... */
2405 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2406 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2407 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2408 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2409 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2410 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2411 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2412 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2414 if (dev->tda9887_conf && dev->ctl_automute)
2415 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2418 INIT_LIST_HEAD(&dev->video_q.queue);
2419 init_timer(&dev->video_q.timeout);
2420 dev->video_q.timeout.function = saa7134_buffer_timeout;
2421 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2422 dev->video_q.dev = dev;
2424 if (saa7134_boards[dev->board].video_out)
2425 saa7134_videoport_init(dev);
2430 int saa7134_videoport_init(struct saa7134_dev *dev)
2432 /* enable video output */
2433 int vo = saa7134_boards[dev->board].video_out;
2435 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2436 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2437 video_reg = video_out[vo][1];
2438 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2439 video_reg &= ~VP_T_CODE_P_INVERTED;
2440 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2441 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2442 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2443 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2444 video_reg = video_out[vo][5];
2445 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2446 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2447 if (vid_port_opts & SET_CLOCK_INVERTED)
2448 video_reg |= VP_CLK_CTRL1_INVERTED;
2449 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2450 video_reg = video_out[vo][6];
2451 if (vid_port_opts & SET_VSYNC_OFF) {
2452 video_reg &= ~VP_VS_TYPE_MASK;
2453 video_reg |= VP_VS_TYPE_OFF;
2455 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2456 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2457 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2462 int saa7134_video_init2(struct saa7134_dev *dev)
2465 set_tvnorm(dev,&tvnorms[0]);
2467 saa7134_tvaudio_setmute(dev);
2468 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2472 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2474 static const char *st[] = {
2475 "(no signal)", "NTSC", "PAL", "SECAM" };
2478 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2479 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2480 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2481 (st1 & 0x40) ? "not locked" : "locked",
2482 (st2 & 0x40) ? "no" : "yes",
2484 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2486 if (dev->nosignal) {
2487 /* no video signal -> mute audio */
2488 if (dev->ctl_automute)
2490 saa7134_tvaudio_setmute(dev);
2492 /* wake up tvaudio audio carrier scan thread */
2493 saa7134_tvaudio_do_scan(dev);
2496 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2497 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2499 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2501 if (dev->mops && dev->mops->signal_change)
2502 dev->mops->signal_change(dev);
2506 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2508 enum v4l2_field field;
2510 spin_lock(&dev->slock);
2511 if (dev->video_q.curr) {
2512 dev->video_fieldcount++;
2513 field = dev->video_q.curr->vb.field;
2514 if (V4L2_FIELD_HAS_BOTH(field)) {
2515 /* make sure we have seen both fields */
2516 if ((status & 0x10) == 0x00) {
2517 dev->video_q.curr->top_seen = 1;
2520 if (!dev->video_q.curr->top_seen)
2522 } else if (field == V4L2_FIELD_TOP) {
2523 if ((status & 0x10) != 0x10)
2525 } else if (field == V4L2_FIELD_BOTTOM) {
2526 if ((status & 0x10) != 0x00)
2529 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2530 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2532 saa7134_buffer_next(dev,&dev->video_q);
2535 spin_unlock(&dev->slock);
2538 /* ----------------------------------------------------------- */