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 unsigned int video_debug;
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&0x04) \
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)
545 dprintk("set tv norm = %s\n",norm->name);
549 dev->crop_bounds.left = norm->h_start;
550 dev->crop_defrect.left = norm->h_start;
551 dev->crop_bounds.width = norm->h_stop - norm->h_start +1;
552 dev->crop_defrect.width = norm->h_stop - norm->h_start +1;
554 dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2;
555 dev->crop_defrect.top = norm->video_v_start*2;
556 dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624)
557 - dev->crop_bounds.top;
558 dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2;
560 dev->crop_current = dev->crop_defrect;
562 saa7134_set_tvnorm_hw(dev);
565 static void video_mux(struct saa7134_dev *dev, int input)
567 dprintk("video input = %d [%s]\n", input, card_in(dev, input).name);
568 dev->ctl_input = input;
569 set_tvnorm(dev, dev->tvnorm);
570 saa7134_tvaudio_setinput(dev, &card_in(dev, input));
574 static void saa7134_set_decoder(struct saa7134_dev *dev)
576 int luma_control, sync_control, mux;
578 struct saa7134_tvnorm *norm = dev->tvnorm;
579 mux = card_in(dev, dev->ctl_input).vmux;
581 luma_control = norm->luma_control;
582 sync_control = norm->sync_control;
585 luma_control |= 0x80; /* svideo */
586 if (noninterlaced || dev->nosignal)
587 sync_control |= 0x20;
589 /* setup video decoder */
590 saa_writeb(SAA7134_INCR_DELAY, 0x08);
591 saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux);
592 saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00);
594 saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90);
595 saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90);
596 saa_writeb(SAA7134_HSYNC_START, 0xeb);
597 saa_writeb(SAA7134_HSYNC_STOP, 0xe0);
598 saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing);
600 saa_writeb(SAA7134_SYNC_CTRL, sync_control);
601 saa_writeb(SAA7134_LUMA_CTRL, luma_control);
602 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
604 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
605 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
607 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
608 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
610 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
611 saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1);
612 saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain);
614 saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2);
615 saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00);
617 saa_writeb(SAA7134_ANALOG_ADC, 0x01);
618 saa_writeb(SAA7134_VGATE_START, 0x11);
619 saa_writeb(SAA7134_VGATE_STOP, 0xfe);
620 saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc);
621 saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40);
622 saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80);
625 void saa7134_set_tvnorm_hw(struct saa7134_dev *dev)
627 saa7134_set_decoder(dev);
629 if (card_in(dev, dev->ctl_input).tv) {
630 if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290)
631 && ((card(dev).tuner_config == 1)
632 || (card(dev).tuner_config == 2)))
633 saa7134_set_gpio(dev, 22, 5);
634 saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id);
638 static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale)
640 static const struct {
647 /* XPSC XACL XC2_1 XDCG VPFY */
659 static const int count = ARRAY_SIZE(vals);
662 for (i = 0; i < count; i++)
663 if (vals[i].xpsc == prescale)
668 saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc);
669 saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl);
670 saa_writeb(SAA7134_LEVEL_CTRL(task),
671 (vals[i].xc2_1 << 3) | (vals[i].xdcg));
672 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f,
673 (vals[i].vpfy << 2) | vals[i].vpfy);
676 static void set_v_scale(struct saa7134_dev *dev, int task, int yscale)
680 saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff);
681 saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8);
683 mirror = (dev->ctl_mirror) ? 0x02 : 0x00;
686 dprintk("yscale LPI yscale=%d\n",yscale);
687 saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror);
688 saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40);
689 saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40);
692 val = 0x40 * 1024 / yscale;
693 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val);
694 saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror);
695 saa_writeb(SAA7134_LUMA_CONTRAST(task), val);
696 saa_writeb(SAA7134_CHROMA_SATURATION(task), val);
698 saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80);
701 static void set_size(struct saa7134_dev *dev, int task,
702 int width, int height, int interlace)
704 int prescale,xscale,yscale,y_even,y_odd;
705 int h_start, h_stop, v_start, v_stop;
706 int div = interlace ? 2 : 1;
708 /* setup video scaler */
709 h_start = dev->crop_current.left;
710 v_start = dev->crop_current.top/2;
711 h_stop = (dev->crop_current.left + dev->crop_current.width -1);
712 v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2;
714 saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff);
715 saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8);
716 saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff);
717 saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8);
718 saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff);
719 saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8);
720 saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff);
721 saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8);
723 prescale = dev->crop_current.width / width;
726 xscale = 1024 * dev->crop_current.width / prescale / width;
727 yscale = 512 * div * dev->crop_current.height / height;
728 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale);
729 set_h_prescale(dev,task,prescale);
730 saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff);
731 saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8);
732 set_v_scale(dev,task,yscale);
734 saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff);
735 saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8);
736 saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff);
737 saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8);
739 /* deinterlace y offsets */
740 y_odd = dev->ctl_y_odd;
741 y_even = dev->ctl_y_even;
742 saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd);
743 saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even);
744 saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd);
745 saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even);
748 /* ------------------------------------------------------------------ */
756 static void set_cliplist(struct saa7134_dev *dev, int reg,
757 struct cliplist *cl, int entries, char *name)
762 for (i = 0; i < entries; i++) {
763 winbits |= cl[i].enable;
764 winbits &= ~cl[i].disable;
765 if (i < 15 && cl[i].position == cl[i+1].position)
767 saa_writeb(reg + 0, winbits);
768 saa_writeb(reg + 2, cl[i].position & 0xff);
769 saa_writeb(reg + 3, cl[i].position >> 8);
770 dprintk("clip: %s winbits=%02x pos=%d\n",
771 name,winbits,cl[i].position);
774 for (; reg < 0x400; reg += 8) {
775 saa_writeb(reg+ 0, 0);
776 saa_writeb(reg + 1, 0);
777 saa_writeb(reg + 2, 0);
778 saa_writeb(reg + 3, 0);
782 static int clip_range(int val)
789 /* Sort into smallest position first order */
790 static int cliplist_cmp(const void *a, const void *b)
792 const struct cliplist *cla = a;
793 const struct cliplist *clb = b;
794 if (cla->position < clb->position)
796 if (cla->position > clb->position)
801 static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips,
802 int nclips, int interlace)
804 struct cliplist col[16], row[16];
805 int cols = 0, rows = 0, i;
806 int div = interlace ? 2 : 1;
808 memset(col, 0, sizeof(col));
809 memset(row, 0, sizeof(row));
810 for (i = 0; i < nclips && i < 8; i++) {
811 col[cols].position = clip_range(clips[i].c.left);
812 col[cols].enable = (1 << i);
814 col[cols].position = clip_range(clips[i].c.left+clips[i].c.width);
815 col[cols].disable = (1 << i);
817 row[rows].position = clip_range(clips[i].c.top / div);
818 row[rows].enable = (1 << i);
820 row[rows].position = clip_range((clips[i].c.top + clips[i].c.height)
822 row[rows].disable = (1 << i);
825 sort(col, cols, sizeof col[0], cliplist_cmp, NULL);
826 sort(row, rows, sizeof row[0], cliplist_cmp, NULL);
827 set_cliplist(dev,0x380,col,cols,"cols");
828 set_cliplist(dev,0x384,row,rows,"rows");
832 static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win)
834 enum v4l2_field field;
837 if (NULL == dev->ovbuf.base)
839 if (NULL == dev->ovfmt)
841 if (win->w.width < 48 || win->w.height < 32)
843 if (win->clipcount > 2048)
847 maxw = dev->crop_current.width;
848 maxh = dev->crop_current.height;
850 if (V4L2_FIELD_ANY == field) {
851 field = (win->w.height > maxh/2)
852 ? V4L2_FIELD_INTERLACED
857 case V4L2_FIELD_BOTTOM:
860 case V4L2_FIELD_INTERLACED:
867 if (win->w.width > maxw)
869 if (win->w.height > maxh)
870 win->w.height = maxh;
874 static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
876 unsigned long base,control,bpl;
879 err = verify_preview(dev,&fh->win);
883 dev->ovfield = fh->win.field;
884 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
885 fh->win.w.width,fh->win.w.height,
886 fh->win.w.left,fh->win.w.top,
887 dev->ovfmt->name,v4l2_field_names[dev->ovfield]);
889 /* setup window + clipping */
890 set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height,
891 V4L2_FIELD_HAS_BOTH(dev->ovfield));
892 setup_clipping(dev,fh->clips,fh->nclips,
893 V4L2_FIELD_HAS_BOTH(dev->ovfield));
895 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03);
897 saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01);
898 saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20);
900 /* dma: setup channel 1 (= Video Task B) */
901 base = (unsigned long)dev->ovbuf.base;
902 base += dev->ovbuf.fmt.bytesperline * fh->win.w.top;
903 base += dev->ovfmt->depth/8 * fh->win.w.left;
904 bpl = dev->ovbuf.fmt.bytesperline;
905 control = SAA7134_RS_CONTROL_BURST_16;
906 if (dev->ovfmt->bswap)
907 control |= SAA7134_RS_CONTROL_BSWAP;
908 if (dev->ovfmt->wswap)
909 control |= SAA7134_RS_CONTROL_WSWAP;
910 if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) {
911 saa_writel(SAA7134_RS_BA1(1),base);
912 saa_writel(SAA7134_RS_BA2(1),base+bpl);
913 saa_writel(SAA7134_RS_PITCH(1),bpl*2);
914 saa_writel(SAA7134_RS_CONTROL(1),control);
916 saa_writel(SAA7134_RS_BA1(1),base);
917 saa_writel(SAA7134_RS_BA2(1),base);
918 saa_writel(SAA7134_RS_PITCH(1),bpl);
919 saa_writel(SAA7134_RS_CONTROL(1),control);
924 saa7134_set_dmabits(dev);
929 static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh)
932 saa7134_set_dmabits(dev);
936 /* ------------------------------------------------------------------ */
938 static int buffer_activate(struct saa7134_dev *dev,
939 struct saa7134_buf *buf,
940 struct saa7134_buf *next)
942 unsigned long base,control,bpl;
943 unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */
945 dprintk("buffer_activate buf=%p\n",buf);
946 buf->vb.state = VIDEOBUF_ACTIVE;
949 set_size(dev,TASK_A,buf->vb.width,buf->vb.height,
950 V4L2_FIELD_HAS_BOTH(buf->vb.field));
952 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03);
954 saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01);
955 saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm);
957 /* DMA: setup channel 0 (= Video Task A0) */
958 base = saa7134_buffer_base(buf);
959 if (buf->fmt->planar)
962 bpl = (buf->vb.width * buf->fmt->depth) / 8;
963 control = SAA7134_RS_CONTROL_BURST_16 |
964 SAA7134_RS_CONTROL_ME |
965 (buf->pt->dma >> 12);
967 control |= SAA7134_RS_CONTROL_BSWAP;
969 control |= SAA7134_RS_CONTROL_WSWAP;
970 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
972 saa_writel(SAA7134_RS_BA1(0),base);
973 saa_writel(SAA7134_RS_BA2(0),base+bpl);
974 saa_writel(SAA7134_RS_PITCH(0),bpl*2);
977 saa_writel(SAA7134_RS_BA1(0),base);
978 saa_writel(SAA7134_RS_BA2(0),base);
979 saa_writel(SAA7134_RS_PITCH(0),bpl);
981 saa_writel(SAA7134_RS_CONTROL(0),control);
983 if (buf->fmt->planar) {
984 /* DMA: setup channel 4+5 (= planar task A) */
985 bpl_uv = bpl >> buf->fmt->hshift;
986 lines_uv = buf->vb.height >> buf->fmt->vshift;
987 base2 = base + bpl * buf->vb.height;
988 base3 = base2 + bpl_uv * lines_uv;
989 if (buf->fmt->uvswap)
990 tmp = base2, base2 = base3, base3 = tmp;
991 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
992 bpl_uv,lines_uv,base2,base3);
993 if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) {
995 saa_writel(SAA7134_RS_BA1(4),base2);
996 saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv);
997 saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2);
998 saa_writel(SAA7134_RS_BA1(5),base3);
999 saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv);
1000 saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2);
1002 /* non-interlaced */
1003 saa_writel(SAA7134_RS_BA1(4),base2);
1004 saa_writel(SAA7134_RS_BA2(4),base2);
1005 saa_writel(SAA7134_RS_PITCH(4),bpl_uv);
1006 saa_writel(SAA7134_RS_BA1(5),base3);
1007 saa_writel(SAA7134_RS_BA2(5),base3);
1008 saa_writel(SAA7134_RS_PITCH(5),bpl_uv);
1010 saa_writel(SAA7134_RS_CONTROL(4),control);
1011 saa_writel(SAA7134_RS_CONTROL(5),control);
1015 saa7134_set_dmabits(dev);
1016 mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT);
1020 static int buffer_prepare(struct videobuf_queue *q,
1021 struct videobuf_buffer *vb,
1022 enum v4l2_field field)
1024 struct saa7134_fh *fh = q->priv_data;
1025 struct saa7134_dev *dev = fh->dev;
1026 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1031 if (NULL == fh->fmt)
1033 if (fh->width < 48 ||
1035 fh->width/4 > dev->crop_current.width ||
1036 fh->height/4 > dev->crop_current.height ||
1037 fh->width > dev->crop_bounds.width ||
1038 fh->height > dev->crop_bounds.height)
1040 size = (fh->width * fh->height * fh->fmt->depth) >> 3;
1041 if (0 != buf->vb.baddr && buf->vb.bsize < size)
1044 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
1045 vb->i,fh->width,fh->height,size,v4l2_field_names[field],
1047 if (buf->vb.width != fh->width ||
1048 buf->vb.height != fh->height ||
1049 buf->vb.size != size ||
1050 buf->vb.field != field ||
1051 buf->fmt != fh->fmt) {
1052 saa7134_dma_free(q,buf);
1055 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1056 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
1058 buf->vb.width = fh->width;
1059 buf->vb.height = fh->height;
1060 buf->vb.size = size;
1061 buf->vb.field = field;
1063 buf->pt = &fh->pt_cap;
1065 err = videobuf_iolock(q,&buf->vb,&dev->ovbuf);
1068 err = saa7134_pgtable_build(dev->pci,buf->pt,
1071 saa7134_buffer_startpage(buf));
1075 buf->vb.state = VIDEOBUF_PREPARED;
1076 buf->activate = buffer_activate;
1080 saa7134_dma_free(q,buf);
1085 buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
1087 struct saa7134_fh *fh = q->priv_data;
1089 *size = fh->fmt->depth * fh->width * fh->height >> 3;
1092 *count = saa7134_buffer_count(*size,*count);
1096 static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
1098 struct saa7134_fh *fh = q->priv_data;
1099 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1101 saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf);
1104 static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
1106 struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb);
1108 saa7134_dma_free(q,buf);
1111 static struct videobuf_queue_ops video_qops = {
1112 .buf_setup = buffer_setup,
1113 .buf_prepare = buffer_prepare,
1114 .buf_queue = buffer_queue,
1115 .buf_release = buffer_release,
1118 /* ------------------------------------------------------------------ */
1120 int saa7134_g_ctrl(struct file *file, void *priv, struct v4l2_control *c)
1122 struct saa7134_fh *fh = priv;
1123 struct saa7134_dev *dev = fh->dev;
1124 const struct v4l2_queryctrl* ctrl;
1126 ctrl = ctrl_by_id(c->id);
1130 case V4L2_CID_BRIGHTNESS:
1131 c->value = dev->ctl_bright;
1134 c->value = dev->ctl_hue;
1136 case V4L2_CID_CONTRAST:
1137 c->value = dev->ctl_contrast;
1139 case V4L2_CID_SATURATION:
1140 c->value = dev->ctl_saturation;
1142 case V4L2_CID_AUDIO_MUTE:
1143 c->value = dev->ctl_mute;
1145 case V4L2_CID_AUDIO_VOLUME:
1146 c->value = dev->ctl_volume;
1148 case V4L2_CID_PRIVATE_INVERT:
1149 c->value = dev->ctl_invert;
1151 case V4L2_CID_HFLIP:
1152 c->value = dev->ctl_mirror;
1154 case V4L2_CID_PRIVATE_Y_EVEN:
1155 c->value = dev->ctl_y_even;
1157 case V4L2_CID_PRIVATE_Y_ODD:
1158 c->value = dev->ctl_y_odd;
1160 case V4L2_CID_PRIVATE_AUTOMUTE:
1161 c->value = dev->ctl_automute;
1168 EXPORT_SYMBOL_GPL(saa7134_g_ctrl);
1170 int saa7134_s_ctrl(struct file *file, void *f, struct v4l2_control *c)
1172 const struct v4l2_queryctrl* ctrl;
1173 struct saa7134_fh *fh = f;
1174 struct saa7134_dev *dev = fh->dev;
1175 unsigned long flags;
1176 int restart_overlay = 0;
1179 err = v4l2_prio_check(&dev->prio, &fh->prio);
1183 mutex_lock(&dev->lock);
1185 ctrl = ctrl_by_id(c->id);
1189 dprintk("set_control name=%s val=%d\n",ctrl->name,c->value);
1190 switch (ctrl->type) {
1191 case V4L2_CTRL_TYPE_BOOLEAN:
1192 case V4L2_CTRL_TYPE_MENU:
1193 case V4L2_CTRL_TYPE_INTEGER:
1194 if (c->value < ctrl->minimum)
1195 c->value = ctrl->minimum;
1196 if (c->value > ctrl->maximum)
1197 c->value = ctrl->maximum;
1203 case V4L2_CID_BRIGHTNESS:
1204 dev->ctl_bright = c->value;
1205 saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright);
1208 dev->ctl_hue = c->value;
1209 saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue);
1211 case V4L2_CID_CONTRAST:
1212 dev->ctl_contrast = c->value;
1213 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1214 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1216 case V4L2_CID_SATURATION:
1217 dev->ctl_saturation = c->value;
1218 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1219 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1221 case V4L2_CID_AUDIO_MUTE:
1222 dev->ctl_mute = c->value;
1223 saa7134_tvaudio_setmute(dev);
1225 case V4L2_CID_AUDIO_VOLUME:
1226 dev->ctl_volume = c->value;
1227 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
1229 case V4L2_CID_PRIVATE_INVERT:
1230 dev->ctl_invert = c->value;
1231 saa_writeb(SAA7134_DEC_LUMA_CONTRAST,
1232 dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast);
1233 saa_writeb(SAA7134_DEC_CHROMA_SATURATION,
1234 dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation);
1236 case V4L2_CID_HFLIP:
1237 dev->ctl_mirror = c->value;
1238 restart_overlay = 1;
1240 case V4L2_CID_PRIVATE_Y_EVEN:
1241 dev->ctl_y_even = c->value;
1242 restart_overlay = 1;
1244 case V4L2_CID_PRIVATE_Y_ODD:
1245 dev->ctl_y_odd = c->value;
1246 restart_overlay = 1;
1248 case V4L2_CID_PRIVATE_AUTOMUTE:
1250 struct v4l2_priv_tun_config tda9887_cfg;
1252 tda9887_cfg.tuner = TUNER_TDA9887;
1253 tda9887_cfg.priv = &dev->tda9887_conf;
1255 dev->ctl_automute = c->value;
1256 if (dev->tda9887_conf) {
1257 if (dev->ctl_automute)
1258 dev->tda9887_conf |= TDA9887_AUTOMUTE;
1260 dev->tda9887_conf &= ~TDA9887_AUTOMUTE;
1262 saa7134_i2c_call_clients(dev, TUNER_SET_CONFIG,
1270 if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) {
1271 spin_lock_irqsave(&dev->slock,flags);
1272 stop_preview(dev,fh);
1273 start_preview(dev,fh);
1274 spin_unlock_irqrestore(&dev->slock,flags);
1279 mutex_unlock(&dev->lock);
1282 EXPORT_SYMBOL_GPL(saa7134_s_ctrl);
1284 /* ------------------------------------------------------------------ */
1286 static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh)
1288 struct videobuf_queue* q = NULL;
1291 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1294 case V4L2_BUF_TYPE_VBI_CAPTURE:
1303 static int saa7134_resource(struct saa7134_fh *fh)
1305 if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
1306 return RESOURCE_VIDEO;
1308 if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
1309 return RESOURCE_VBI;
1315 static int video_open(struct inode *inode, struct file *file)
1317 int minor = iminor(inode);
1318 struct saa7134_dev *dev;
1319 struct saa7134_fh *fh;
1320 enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1322 list_for_each_entry(dev, &saa7134_devlist, devlist) {
1323 if (dev->video_dev && (dev->video_dev->minor == minor))
1325 if (dev->radio_dev && (dev->radio_dev->minor == minor)) {
1329 if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) {
1330 type = V4L2_BUF_TYPE_VBI_CAPTURE;
1337 dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
1338 v4l2_type_names[type]);
1340 /* allocate + initialize per filehandle data */
1341 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1344 file->private_data = fh;
1348 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
1351 v4l2_prio_open(&dev->prio,&fh->prio);
1353 videobuf_queue_pci_init(&fh->cap, &video_qops,
1354 dev->pci, &dev->slock,
1355 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1356 V4L2_FIELD_INTERLACED,
1357 sizeof(struct saa7134_buf),
1359 videobuf_queue_pci_init(&fh->vbi, &saa7134_vbi_qops,
1360 dev->pci, &dev->slock,
1361 V4L2_BUF_TYPE_VBI_CAPTURE,
1363 sizeof(struct saa7134_buf),
1365 saa7134_pgtable_alloc(dev->pci,&fh->pt_cap);
1366 saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi);
1369 /* switch to radio mode */
1370 saa7134_tvaudio_setinput(dev,&card(dev).radio);
1371 saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL);
1373 /* switch to video/vbi mode */
1374 video_mux(dev,dev->ctl_input);
1380 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1382 struct saa7134_fh *fh = file->private_data;
1385 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1386 if (res_locked(fh->dev,RESOURCE_VIDEO))
1388 return videobuf_read_one(saa7134_queue(fh),
1390 file->f_flags & O_NONBLOCK);
1391 case V4L2_BUF_TYPE_VBI_CAPTURE:
1392 if (!res_get(fh->dev,fh,RESOURCE_VBI))
1394 return videobuf_read_stream(saa7134_queue(fh),
1395 data, count, ppos, 1,
1396 file->f_flags & O_NONBLOCK);
1405 video_poll(struct file *file, struct poll_table_struct *wait)
1407 struct saa7134_fh *fh = file->private_data;
1408 struct videobuf_buffer *buf = NULL;
1410 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type)
1411 return videobuf_poll_stream(file, &fh->vbi, wait);
1413 if (res_check(fh,RESOURCE_VIDEO)) {
1414 if (!list_empty(&fh->cap.stream))
1415 buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
1417 mutex_lock(&fh->cap.vb_lock);
1418 if (UNSET == fh->cap.read_off) {
1419 /* need to capture a new frame */
1420 if (res_locked(fh->dev,RESOURCE_VIDEO))
1422 if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field))
1424 fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
1425 fh->cap.read_off = 0;
1427 mutex_unlock(&fh->cap.vb_lock);
1428 buf = fh->cap.read_buf;
1434 poll_wait(file, &buf->done, wait);
1435 if (buf->state == VIDEOBUF_DONE ||
1436 buf->state == VIDEOBUF_ERROR)
1437 return POLLIN|POLLRDNORM;
1441 mutex_unlock(&fh->cap.vb_lock);
1445 static int video_release(struct inode *inode, struct file *file)
1447 struct saa7134_fh *fh = file->private_data;
1448 struct saa7134_dev *dev = fh->dev;
1449 unsigned long flags;
1451 /* turn off overlay */
1452 if (res_check(fh, RESOURCE_OVERLAY)) {
1453 spin_lock_irqsave(&dev->slock,flags);
1454 stop_preview(dev,fh);
1455 spin_unlock_irqrestore(&dev->slock,flags);
1456 res_free(dev,fh,RESOURCE_OVERLAY);
1459 /* stop video capture */
1460 if (res_check(fh, RESOURCE_VIDEO)) {
1461 videobuf_streamoff(&fh->cap);
1462 res_free(dev,fh,RESOURCE_VIDEO);
1464 if (fh->cap.read_buf) {
1465 buffer_release(&fh->cap,fh->cap.read_buf);
1466 kfree(fh->cap.read_buf);
1469 /* stop vbi capture */
1470 if (res_check(fh, RESOURCE_VBI)) {
1471 videobuf_stop(&fh->vbi);
1472 res_free(dev,fh,RESOURCE_VBI);
1475 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1476 saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0);
1477 saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0);
1478 saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
1479 saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
1481 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1484 videobuf_mmap_free(&fh->cap);
1485 videobuf_mmap_free(&fh->vbi);
1486 saa7134_pgtable_free(dev->pci,&fh->pt_cap);
1487 saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
1489 v4l2_prio_close(&dev->prio,&fh->prio);
1490 file->private_data = NULL;
1495 static int video_mmap(struct file *file, struct vm_area_struct * vma)
1497 struct saa7134_fh *fh = file->private_data;
1499 return videobuf_mmap_mapper(saa7134_queue(fh), vma);
1502 /* ------------------------------------------------------------------ */
1504 static int saa7134_try_get_set_fmt_vbi(struct file *file, void *priv,
1505 struct v4l2_format *f)
1507 struct saa7134_fh *fh = priv;
1508 struct saa7134_dev *dev = fh->dev;
1509 struct saa7134_tvnorm *norm = dev->tvnorm;
1511 f->fmt.vbi.sampling_rate = 6750000 * 4;
1512 f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */;
1513 f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
1514 f->fmt.vbi.offset = 64 * 4;
1515 f->fmt.vbi.start[0] = norm->vbi_v_start_0;
1516 f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1;
1517 f->fmt.vbi.start[1] = norm->vbi_v_start_1;
1518 f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
1519 f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */
1524 static int saa7134_g_fmt_cap(struct file *file, void *priv,
1525 struct v4l2_format *f)
1527 struct saa7134_fh *fh = priv;
1529 f->fmt.pix.width = fh->width;
1530 f->fmt.pix.height = fh->height;
1531 f->fmt.pix.field = fh->cap.field;
1532 f->fmt.pix.pixelformat = fh->fmt->fourcc;
1533 f->fmt.pix.bytesperline =
1534 (f->fmt.pix.width * fh->fmt->depth) >> 3;
1535 f->fmt.pix.sizeimage =
1536 f->fmt.pix.height * f->fmt.pix.bytesperline;
1540 static int saa7134_g_fmt_overlay(struct file *file, void *priv,
1541 struct v4l2_format *f)
1543 struct saa7134_fh *fh = priv;
1545 if (saa7134_no_overlay > 0) {
1546 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1549 f->fmt.win = fh->win;
1554 static int saa7134_try_fmt_cap(struct file *file, void *priv,
1555 struct v4l2_format *f)
1557 struct saa7134_fh *fh = priv;
1558 struct saa7134_dev *dev = fh->dev;
1559 struct saa7134_format *fmt;
1560 enum v4l2_field field;
1561 unsigned int maxw, maxh;
1563 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1567 field = f->fmt.pix.field;
1568 maxw = min(dev->crop_current.width*4, dev->crop_bounds.width);
1569 maxh = min(dev->crop_current.height*4, dev->crop_bounds.height);
1571 if (V4L2_FIELD_ANY == field) {
1572 field = (f->fmt.pix.height > maxh/2)
1573 ? V4L2_FIELD_INTERLACED
1574 : V4L2_FIELD_BOTTOM;
1577 case V4L2_FIELD_TOP:
1578 case V4L2_FIELD_BOTTOM:
1581 case V4L2_FIELD_INTERLACED:
1587 f->fmt.pix.field = field;
1588 if (f->fmt.pix.width < 48)
1589 f->fmt.pix.width = 48;
1590 if (f->fmt.pix.height < 32)
1591 f->fmt.pix.height = 32;
1592 if (f->fmt.pix.width > maxw)
1593 f->fmt.pix.width = maxw;
1594 if (f->fmt.pix.height > maxh)
1595 f->fmt.pix.height = maxh;
1596 f->fmt.pix.width &= ~0x03;
1597 f->fmt.pix.bytesperline =
1598 (f->fmt.pix.width * fmt->depth) >> 3;
1599 f->fmt.pix.sizeimage =
1600 f->fmt.pix.height * f->fmt.pix.bytesperline;
1605 static int saa7134_try_fmt_overlay(struct file *file, void *priv,
1606 struct v4l2_format *f)
1608 struct saa7134_fh *fh = priv;
1609 struct saa7134_dev *dev = fh->dev;
1611 if (saa7134_no_overlay > 0) {
1612 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1616 return verify_preview(dev, &f->fmt.win);
1619 static int saa7134_s_fmt_cap(struct file *file, void *priv,
1620 struct v4l2_format *f)
1622 struct saa7134_fh *fh = priv;
1625 err = saa7134_try_fmt_cap(file, priv, f);
1629 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
1630 fh->width = f->fmt.pix.width;
1631 fh->height = f->fmt.pix.height;
1632 fh->cap.field = f->fmt.pix.field;
1636 static int saa7134_s_fmt_overlay(struct file *file, void *priv,
1637 struct v4l2_format *f)
1639 struct saa7134_fh *fh = priv;
1640 struct saa7134_dev *dev = fh->dev;
1644 if (saa7134_no_overlay > 0) {
1645 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
1648 err = verify_preview(dev, &f->fmt.win);
1652 mutex_lock(&dev->lock);
1654 fh->win = f->fmt.win;
1655 fh->nclips = f->fmt.win.clipcount;
1660 if (copy_from_user(fh->clips, f->fmt.win.clips,
1661 sizeof(struct v4l2_clip)*fh->nclips)) {
1662 mutex_unlock(&dev->lock);
1666 if (res_check(fh, RESOURCE_OVERLAY)) {
1667 spin_lock_irqsave(&dev->slock, flags);
1668 stop_preview(dev, fh);
1669 start_preview(dev, fh);
1670 spin_unlock_irqrestore(&dev->slock, flags);
1673 mutex_unlock(&dev->lock);
1677 int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c)
1679 const struct v4l2_queryctrl *ctrl;
1681 if ((c->id < V4L2_CID_BASE ||
1682 c->id >= V4L2_CID_LASTP1) &&
1683 (c->id < V4L2_CID_PRIVATE_BASE ||
1684 c->id >= V4L2_CID_PRIVATE_LASTP1))
1686 ctrl = ctrl_by_id(c->id);
1687 *c = (NULL != ctrl) ? *ctrl : no_ctrl;
1690 EXPORT_SYMBOL_GPL(saa7134_queryctrl);
1692 static int saa7134_enum_input(struct file *file, void *priv,
1693 struct v4l2_input *i)
1695 struct saa7134_fh *fh = priv;
1696 struct saa7134_dev *dev = fh->dev;
1700 if (n >= SAA7134_INPUT_MAX)
1702 if (NULL == card_in(dev, i->index).name)
1704 memset(i, 0, sizeof(*i));
1706 i->type = V4L2_INPUT_TYPE_CAMERA;
1707 strcpy(i->name, card_in(dev, n).name);
1708 if (card_in(dev, n).tv)
1709 i->type = V4L2_INPUT_TYPE_TUNER;
1711 if (n == dev->ctl_input) {
1712 int v1 = saa_readb(SAA7134_STATUS_VIDEO1);
1713 int v2 = saa_readb(SAA7134_STATUS_VIDEO2);
1715 if (0 != (v1 & 0x40))
1716 i->status |= V4L2_IN_ST_NO_H_LOCK;
1717 if (0 != (v2 & 0x40))
1718 i->status |= V4L2_IN_ST_NO_SYNC;
1719 if (0 != (v2 & 0x0e))
1720 i->status |= V4L2_IN_ST_MACROVISION;
1722 i->std = SAA7134_NORMS;
1726 static int saa7134_g_input(struct file *file, void *priv, unsigned int *i)
1728 struct saa7134_fh *fh = priv;
1729 struct saa7134_dev *dev = fh->dev;
1731 *i = dev->ctl_input;
1735 static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
1737 struct saa7134_fh *fh = priv;
1738 struct saa7134_dev *dev = fh->dev;
1741 err = v4l2_prio_check(&dev->prio, &fh->prio);
1745 if (i < 0 || i >= SAA7134_INPUT_MAX)
1747 if (NULL == card_in(dev, i).name)
1749 mutex_lock(&dev->lock);
1751 mutex_unlock(&dev->lock);
1755 static int saa7134_querycap(struct file *file, void *priv,
1756 struct v4l2_capability *cap)
1758 struct saa7134_fh *fh = priv;
1759 struct saa7134_dev *dev = fh->dev;
1761 unsigned int tuner_type = dev->tuner_type;
1763 strcpy(cap->driver, "saa7134");
1764 strlcpy(cap->card, saa7134_boards[dev->board].name,
1766 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1767 cap->version = SAA7134_VERSION_CODE;
1769 V4L2_CAP_VIDEO_CAPTURE |
1770 V4L2_CAP_VBI_CAPTURE |
1771 V4L2_CAP_READWRITE |
1772 V4L2_CAP_STREAMING |
1774 if (saa7134_no_overlay <= 0)
1775 cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
1777 if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET))
1778 cap->capabilities &= ~V4L2_CAP_TUNER;
1782 static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id)
1784 struct saa7134_fh *fh = priv;
1785 struct saa7134_dev *dev = fh->dev;
1786 unsigned long flags;
1791 err = v4l2_prio_check(&dev->prio, &fh->prio);
1795 for (i = 0; i < TVNORMS; i++)
1796 if (*id == tvnorms[i].id)
1800 for (i = 0; i < TVNORMS; i++)
1801 if (*id & tvnorms[i].id)
1806 if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) {
1807 if (secam[0] == 'L' || secam[0] == 'l') {
1808 if (secam[1] == 'C' || secam[1] == 'c')
1809 fixup = V4L2_STD_SECAM_LC;
1811 fixup = V4L2_STD_SECAM_L;
1813 if (secam[0] == 'D' || secam[0] == 'd')
1814 fixup = V4L2_STD_SECAM_DK;
1816 fixup = V4L2_STD_SECAM;
1818 for (i = 0; i < TVNORMS; i++)
1819 if (fixup == tvnorms[i].id)
1823 *id = tvnorms[i].id;
1825 mutex_lock(&dev->lock);
1826 if (res_check(fh, RESOURCE_OVERLAY)) {
1827 spin_lock_irqsave(&dev->slock, flags);
1828 stop_preview(dev, fh);
1829 spin_unlock_irqrestore(&dev->slock, flags);
1831 set_tvnorm(dev, &tvnorms[i]);
1833 spin_lock_irqsave(&dev->slock, flags);
1834 start_preview(dev, fh);
1835 spin_unlock_irqrestore(&dev->slock, flags);
1837 set_tvnorm(dev, &tvnorms[i]);
1839 saa7134_tvaudio_do_scan(dev);
1840 mutex_unlock(&dev->lock);
1844 static int saa7134_cropcap(struct file *file, void *priv,
1845 struct v4l2_cropcap *cap)
1847 struct saa7134_fh *fh = priv;
1848 struct saa7134_dev *dev = fh->dev;
1850 if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1851 cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1853 cap->bounds = dev->crop_bounds;
1854 cap->defrect = dev->crop_defrect;
1855 cap->pixelaspect.numerator = 1;
1856 cap->pixelaspect.denominator = 1;
1857 if (dev->tvnorm->id & V4L2_STD_525_60) {
1858 cap->pixelaspect.numerator = 11;
1859 cap->pixelaspect.denominator = 10;
1861 if (dev->tvnorm->id & V4L2_STD_625_50) {
1862 cap->pixelaspect.numerator = 54;
1863 cap->pixelaspect.denominator = 59;
1868 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
1870 struct saa7134_fh *fh = f;
1871 struct saa7134_dev *dev = fh->dev;
1873 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1874 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1876 crop->c = dev->crop_current;
1880 static int saa7134_s_crop(struct file *file, void *f, struct v4l2_crop *crop)
1882 struct saa7134_fh *fh = f;
1883 struct saa7134_dev *dev = fh->dev;
1884 struct v4l2_rect *b = &dev->crop_bounds;
1886 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
1887 crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
1889 if (crop->c.height < 0)
1891 if (crop->c.width < 0)
1894 if (res_locked(fh->dev, RESOURCE_OVERLAY))
1896 if (res_locked(fh->dev, RESOURCE_VIDEO))
1899 if (crop->c.top < b->top)
1900 crop->c.top = b->top;
1901 if (crop->c.top > b->top + b->height)
1902 crop->c.top = b->top + b->height;
1903 if (crop->c.height > b->top - crop->c.top + b->height)
1904 crop->c.height = b->top - crop->c.top + b->height;
1906 if (crop->c.left < b->left)
1907 crop->c.left = b->left;
1908 if (crop->c.left > b->left + b->width)
1909 crop->c.left = b->left + b->width;
1910 if (crop->c.width > b->left - crop->c.left + b->width)
1911 crop->c.width = b->left - crop->c.left + b->width;
1913 dev->crop_current = crop->c;
1917 static int saa7134_g_tuner(struct file *file, void *priv,
1918 struct v4l2_tuner *t)
1920 struct saa7134_fh *fh = priv;
1921 struct saa7134_dev *dev = fh->dev;
1926 memset(t, 0, sizeof(*t));
1927 for (n = 0; n < SAA7134_INPUT_MAX; n++)
1928 if (card_in(dev, n).tv)
1930 if (NULL != card_in(dev, n).name) {
1931 strcpy(t->name, "Television");
1932 t->type = V4L2_TUNER_ANALOG_TV;
1933 t->capability = V4L2_TUNER_CAP_NORM |
1934 V4L2_TUNER_CAP_STEREO |
1935 V4L2_TUNER_CAP_LANG1 |
1936 V4L2_TUNER_CAP_LANG2;
1937 t->rangehigh = 0xffffffffUL;
1938 t->rxsubchans = saa7134_tvaudio_getstereo(dev);
1939 t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1941 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03))
1946 static int saa7134_s_tuner(struct file *file, void *priv,
1947 struct v4l2_tuner *t)
1949 struct saa7134_fh *fh = priv;
1950 struct saa7134_dev *dev = fh->dev;
1953 err = v4l2_prio_check(&dev->prio, &fh->prio);
1957 mode = dev->thread.mode;
1958 if (UNSET == mode) {
1959 rx = saa7134_tvaudio_getstereo(dev);
1960 mode = saa7134_tvaudio_rx2mode(t->rxsubchans);
1962 if (mode != t->audmode)
1963 dev->thread.mode = t->audmode;
1968 static int saa7134_g_frequency(struct file *file, void *priv,
1969 struct v4l2_frequency *f)
1971 struct saa7134_fh *fh = priv;
1972 struct saa7134_dev *dev = fh->dev;
1974 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1975 f->frequency = dev->ctl_freq;
1980 static int saa7134_s_frequency(struct file *file, void *priv,
1981 struct v4l2_frequency *f)
1983 struct saa7134_fh *fh = priv;
1984 struct saa7134_dev *dev = fh->dev;
1987 err = v4l2_prio_check(&dev->prio, &fh->prio);
1993 if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type)
1995 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
1997 mutex_lock(&dev->lock);
1998 dev->ctl_freq = f->frequency;
2000 saa7134_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
2002 saa7134_tvaudio_do_scan(dev);
2003 mutex_unlock(&dev->lock);
2007 static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
2009 strcpy(a->name, "audio");
2013 static int saa7134_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
2018 static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p)
2020 struct saa7134_fh *fh = f;
2021 struct saa7134_dev *dev = fh->dev;
2023 *p = v4l2_prio_max(&dev->prio);
2027 static int saa7134_s_priority(struct file *file, void *f,
2028 enum v4l2_priority prio)
2030 struct saa7134_fh *fh = f;
2031 struct saa7134_dev *dev = fh->dev;
2033 return v4l2_prio_change(&dev->prio, &fh->prio, prio);
2036 static int saa7134_enum_fmt_cap(struct file *file, void *priv,
2037 struct v4l2_fmtdesc *f)
2039 if (f->index >= FORMATS)
2042 strlcpy(f->description, formats[f->index].name,
2043 sizeof(f->description));
2045 f->pixelformat = formats[f->index].fourcc;
2050 static int saa7134_enum_fmt_overlay(struct file *file, void *priv,
2051 struct v4l2_fmtdesc *f)
2053 if (saa7134_no_overlay > 0) {
2054 printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
2058 if ((f->index >= FORMATS) || formats[f->index].planar)
2061 strlcpy(f->description, formats[f->index].name,
2062 sizeof(f->description));
2064 f->pixelformat = formats[f->index].fourcc;
2069 static int saa7134_enum_fmt_vbi(struct file *file, void *priv,
2070 struct v4l2_fmtdesc *f)
2075 f->pixelformat = V4L2_PIX_FMT_GREY;
2076 strcpy(f->description, "vbi data");
2081 static int saa7134_g_fbuf(struct file *file, void *f,
2082 struct v4l2_framebuffer *fb)
2084 struct saa7134_fh *fh = f;
2085 struct saa7134_dev *dev = fh->dev;
2088 fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
2093 static int saa7134_s_fbuf(struct file *file, void *f,
2094 struct v4l2_framebuffer *fb)
2096 struct saa7134_fh *fh = f;
2097 struct saa7134_dev *dev = fh->dev;
2098 struct saa7134_format *fmt;
2100 if (!capable(CAP_SYS_ADMIN) &&
2101 !capable(CAP_SYS_RAWIO))
2105 fmt = format_by_fourcc(fb->fmt.pixelformat);
2112 if (0 == dev->ovbuf.fmt.bytesperline)
2113 dev->ovbuf.fmt.bytesperline =
2114 dev->ovbuf.fmt.width*fmt->depth/8;
2118 static int saa7134_overlay(struct file *file, void *f, unsigned int on)
2120 struct saa7134_fh *fh = f;
2121 struct saa7134_dev *dev = fh->dev;
2122 unsigned long flags;
2125 if (saa7134_no_overlay > 0) {
2126 dprintk("no_overlay\n");
2130 if (!res_get(dev, fh, RESOURCE_OVERLAY))
2132 spin_lock_irqsave(&dev->slock, flags);
2133 start_preview(dev, fh);
2134 spin_unlock_irqrestore(&dev->slock, flags);
2137 if (!res_check(fh, RESOURCE_OVERLAY))
2139 spin_lock_irqsave(&dev->slock, flags);
2140 stop_preview(dev, fh);
2141 spin_unlock_irqrestore(&dev->slock, flags);
2142 res_free(dev, fh, RESOURCE_OVERLAY);
2147 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2148 static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
2150 struct saa7134_fh *fh = file->private_data;
2151 return videobuf_cgmbuf(saa7134_queue(fh), mbuf, 8);
2155 static int saa7134_reqbufs(struct file *file, void *priv,
2156 struct v4l2_requestbuffers *p)
2158 struct saa7134_fh *fh = priv;
2159 return videobuf_reqbufs(saa7134_queue(fh), p);
2162 static int saa7134_querybuf(struct file *file, void *priv,
2163 struct v4l2_buffer *b)
2165 struct saa7134_fh *fh = priv;
2166 return videobuf_querybuf(saa7134_queue(fh), b);
2169 static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2171 struct saa7134_fh *fh = priv;
2172 return videobuf_qbuf(saa7134_queue(fh), b);
2175 static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
2177 struct saa7134_fh *fh = priv;
2178 return videobuf_dqbuf(saa7134_queue(fh), b,
2179 file->f_flags & O_NONBLOCK);
2182 static int saa7134_streamon(struct file *file, void *priv,
2183 enum v4l2_buf_type type)
2185 struct saa7134_fh *fh = priv;
2186 struct saa7134_dev *dev = fh->dev;
2187 int res = saa7134_resource(fh);
2189 if (!res_get(dev, fh, res))
2192 return videobuf_streamon(saa7134_queue(fh));
2195 static int saa7134_streamoff(struct file *file, void *priv,
2196 enum v4l2_buf_type type)
2199 struct saa7134_fh *fh = priv;
2200 struct saa7134_dev *dev = fh->dev;
2201 int res = saa7134_resource(fh);
2203 err = videobuf_streamoff(saa7134_queue(fh));
2206 res_free(dev, fh, res);
2210 static int saa7134_g_parm(struct file *file, void *fh,
2211 struct v4l2_streamparm *parm)
2216 static int radio_querycap(struct file *file, void *priv,
2217 struct v4l2_capability *cap)
2219 struct saa7134_fh *fh = file->private_data;
2220 struct saa7134_dev *dev = fh->dev;
2222 strcpy(cap->driver, "saa7134");
2223 strlcpy(cap->card, saa7134_boards[dev->board].name, sizeof(cap->card));
2224 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
2225 cap->version = SAA7134_VERSION_CODE;
2226 cap->capabilities = V4L2_CAP_TUNER;
2230 static int radio_g_tuner(struct file *file, void *priv,
2231 struct v4l2_tuner *t)
2233 struct saa7134_fh *fh = file->private_data;
2234 struct saa7134_dev *dev = fh->dev;
2239 memset(t, 0, sizeof(*t));
2240 strcpy(t->name, "Radio");
2241 t->type = V4L2_TUNER_RADIO;
2243 saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t);
2244 if (dev->input->amux == TV) {
2245 t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11);
2246 t->rxsubchans = (saa_readb(0x529) & 0x08) ?
2247 V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
2251 static int radio_s_tuner(struct file *file, void *priv,
2252 struct v4l2_tuner *t)
2254 struct saa7134_fh *fh = file->private_data;
2255 struct saa7134_dev *dev = fh->dev;
2260 saa7134_i2c_call_clients(dev, VIDIOC_S_TUNER, t);
2264 static int radio_enum_input(struct file *file, void *priv,
2265 struct v4l2_input *i)
2270 strcpy(i->name, "Radio");
2271 i->type = V4L2_INPUT_TYPE_TUNER;
2276 static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
2282 static int radio_g_audio(struct file *file, void *priv,
2283 struct v4l2_audio *a)
2285 memset(a, 0, sizeof(*a));
2286 strcpy(a->name, "Radio");
2290 static int radio_s_audio(struct file *file, void *priv,
2291 struct v4l2_audio *a)
2296 static int radio_s_input(struct file *filp, void *priv, unsigned int i)
2301 static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm)
2306 static int radio_queryctrl(struct file *file, void *priv,
2307 struct v4l2_queryctrl *c)
2309 const struct v4l2_queryctrl *ctrl;
2311 if (c->id < V4L2_CID_BASE ||
2312 c->id >= V4L2_CID_LASTP1)
2314 if (c->id == V4L2_CID_AUDIO_MUTE) {
2315 ctrl = ctrl_by_id(c->id);
2322 static const struct file_operations video_fops =
2324 .owner = THIS_MODULE,
2326 .release = video_release,
2330 .ioctl = video_ioctl2,
2331 .compat_ioctl = v4l_compat_ioctl32,
2332 .llseek = no_llseek,
2335 static const struct file_operations radio_fops =
2337 .owner = THIS_MODULE,
2339 .release = video_release,
2340 .ioctl = video_ioctl2,
2341 .compat_ioctl = v4l_compat_ioctl32,
2342 .llseek = no_llseek,
2345 /* ----------------------------------------------------------- */
2346 /* exported stuff */
2348 struct video_device saa7134_video_template =
2350 .name = "saa7134-video",
2351 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER |
2352 VID_TYPE_CLIPPING|VID_TYPE_SCALES,
2353 .fops = &video_fops,
2355 .vidioc_querycap = saa7134_querycap,
2356 .vidioc_enum_fmt_cap = saa7134_enum_fmt_cap,
2357 .vidioc_g_fmt_cap = saa7134_g_fmt_cap,
2358 .vidioc_try_fmt_cap = saa7134_try_fmt_cap,
2359 .vidioc_s_fmt_cap = saa7134_s_fmt_cap,
2360 .vidioc_enum_fmt_overlay = saa7134_enum_fmt_overlay,
2361 .vidioc_g_fmt_overlay = saa7134_g_fmt_overlay,
2362 .vidioc_try_fmt_overlay = saa7134_try_fmt_overlay,
2363 .vidioc_s_fmt_overlay = saa7134_s_fmt_overlay,
2364 .vidioc_enum_fmt_vbi = saa7134_enum_fmt_vbi,
2365 .vidioc_g_fmt_vbi = saa7134_try_get_set_fmt_vbi,
2366 .vidioc_try_fmt_vbi = saa7134_try_get_set_fmt_vbi,
2367 .vidioc_s_fmt_vbi = saa7134_try_get_set_fmt_vbi,
2368 .vidioc_g_audio = saa7134_g_audio,
2369 .vidioc_s_audio = saa7134_s_audio,
2370 .vidioc_cropcap = saa7134_cropcap,
2371 .vidioc_reqbufs = saa7134_reqbufs,
2372 .vidioc_querybuf = saa7134_querybuf,
2373 .vidioc_qbuf = saa7134_qbuf,
2374 .vidioc_dqbuf = saa7134_dqbuf,
2375 .vidioc_s_std = saa7134_s_std,
2376 .vidioc_enum_input = saa7134_enum_input,
2377 .vidioc_g_input = saa7134_g_input,
2378 .vidioc_s_input = saa7134_s_input,
2379 .vidioc_queryctrl = saa7134_queryctrl,
2380 .vidioc_g_ctrl = saa7134_g_ctrl,
2381 .vidioc_s_ctrl = saa7134_s_ctrl,
2382 .vidioc_streamon = saa7134_streamon,
2383 .vidioc_streamoff = saa7134_streamoff,
2384 .vidioc_g_tuner = saa7134_g_tuner,
2385 .vidioc_s_tuner = saa7134_s_tuner,
2386 #ifdef CONFIG_VIDEO_V4L1_COMPAT
2387 .vidiocgmbuf = vidiocgmbuf,
2389 .vidioc_g_crop = saa7134_g_crop,
2390 .vidioc_s_crop = saa7134_s_crop,
2391 .vidioc_g_fbuf = saa7134_g_fbuf,
2392 .vidioc_s_fbuf = saa7134_s_fbuf,
2393 .vidioc_overlay = saa7134_overlay,
2394 .vidioc_g_priority = saa7134_g_priority,
2395 .vidioc_s_priority = saa7134_s_priority,
2396 .vidioc_g_parm = saa7134_g_parm,
2397 .vidioc_g_frequency = saa7134_g_frequency,
2398 .vidioc_s_frequency = saa7134_s_frequency,
2399 .tvnorms = SAA7134_NORMS,
2400 .current_norm = V4L2_STD_PAL,
2403 struct video_device saa7134_radio_template =
2405 .name = "saa7134-radio",
2406 .type = VID_TYPE_TUNER,
2407 .fops = &radio_fops,
2409 .vidioc_querycap = radio_querycap,
2410 .vidioc_g_tuner = radio_g_tuner,
2411 .vidioc_enum_input = radio_enum_input,
2412 .vidioc_g_audio = radio_g_audio,
2413 .vidioc_s_tuner = radio_s_tuner,
2414 .vidioc_s_audio = radio_s_audio,
2415 .vidioc_s_input = radio_s_input,
2416 .vidioc_s_std = radio_s_std,
2417 .vidioc_queryctrl = radio_queryctrl,
2418 .vidioc_g_input = radio_g_input,
2419 .vidioc_g_ctrl = saa7134_g_ctrl,
2420 .vidioc_s_ctrl = saa7134_s_ctrl,
2421 .vidioc_g_frequency = saa7134_g_frequency,
2422 .vidioc_s_frequency = saa7134_s_frequency,
2425 int saa7134_video_init1(struct saa7134_dev *dev)
2427 /* sanitycheck insmod options */
2428 if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
2430 if (gbufsize < 0 || gbufsize > gbufsize_max)
2431 gbufsize = gbufsize_max;
2432 gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
2434 /* put some sensible defaults into the data structures ... */
2435 dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value;
2436 dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value;
2437 dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value;
2438 dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value;
2439 dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value;
2440 dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2441 dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value;
2442 dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value;
2444 if (dev->tda9887_conf && dev->ctl_automute)
2445 dev->tda9887_conf |= TDA9887_AUTOMUTE;
2448 INIT_LIST_HEAD(&dev->video_q.queue);
2449 init_timer(&dev->video_q.timeout);
2450 dev->video_q.timeout.function = saa7134_buffer_timeout;
2451 dev->video_q.timeout.data = (unsigned long)(&dev->video_q);
2452 dev->video_q.dev = dev;
2454 if (saa7134_boards[dev->board].video_out)
2455 saa7134_videoport_init(dev);
2460 int saa7134_videoport_init(struct saa7134_dev *dev)
2462 /* enable video output */
2463 int vo = saa7134_boards[dev->board].video_out;
2465 unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts;
2466 saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]);
2467 video_reg = video_out[vo][1];
2468 if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED)
2469 video_reg &= ~VP_T_CODE_P_INVERTED;
2470 saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg);
2471 saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]);
2472 saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]);
2473 saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]);
2474 video_reg = video_out[vo][5];
2475 if (vid_port_opts & SET_CLOCK_NOT_DELAYED)
2476 video_reg &= ~VP_CLK_CTRL2_DELAYED;
2477 if (vid_port_opts & SET_CLOCK_INVERTED)
2478 video_reg |= VP_CLK_CTRL1_INVERTED;
2479 saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg);
2480 video_reg = video_out[vo][6];
2481 if (vid_port_opts & SET_VSYNC_OFF) {
2482 video_reg &= ~VP_VS_TYPE_MASK;
2483 video_reg |= VP_VS_TYPE_OFF;
2485 saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg);
2486 saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]);
2487 saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]);
2492 int saa7134_video_init2(struct saa7134_dev *dev)
2495 set_tvnorm(dev,&tvnorms[0]);
2497 saa7134_tvaudio_setmute(dev);
2498 saa7134_tvaudio_setvolume(dev,dev->ctl_volume);
2502 void saa7134_irq_video_signalchange(struct saa7134_dev *dev)
2504 static const char *st[] = {
2505 "(no signal)", "NTSC", "PAL", "SECAM" };
2508 st1 = saa_readb(SAA7134_STATUS_VIDEO1);
2509 st2 = saa_readb(SAA7134_STATUS_VIDEO2);
2510 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2511 (st1 & 0x40) ? "not locked" : "locked",
2512 (st2 & 0x40) ? "no" : "yes",
2514 dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1);
2516 if (dev->nosignal) {
2517 /* no video signal -> mute audio */
2518 if (dev->ctl_automute)
2520 saa7134_tvaudio_setmute(dev);
2522 /* wake up tvaudio audio carrier scan thread */
2523 saa7134_tvaudio_do_scan(dev);
2526 if ((st2 & 0x80) && !noninterlaced && !dev->nosignal)
2527 saa_clearb(SAA7134_SYNC_CTRL, 0x20);
2529 saa_setb(SAA7134_SYNC_CTRL, 0x20);
2531 if (dev->mops && dev->mops->signal_change)
2532 dev->mops->signal_change(dev);
2536 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status)
2538 enum v4l2_field field;
2540 spin_lock(&dev->slock);
2541 if (dev->video_q.curr) {
2542 dev->video_fieldcount++;
2543 field = dev->video_q.curr->vb.field;
2544 if (V4L2_FIELD_HAS_BOTH(field)) {
2545 /* make sure we have seen both fields */
2546 if ((status & 0x10) == 0x00) {
2547 dev->video_q.curr->top_seen = 1;
2550 if (!dev->video_q.curr->top_seen)
2552 } else if (field == V4L2_FIELD_TOP) {
2553 if ((status & 0x10) != 0x10)
2555 } else if (field == V4L2_FIELD_BOTTOM) {
2556 if ((status & 0x10) != 0x00)
2559 dev->video_q.curr->vb.field_count = dev->video_fieldcount;
2560 saa7134_buffer_finish(dev,&dev->video_q,VIDEOBUF_DONE);
2562 saa7134_buffer_next(dev,&dev->video_q);
2565 spin_unlock(&dev->slock);
2568 /* ----------------------------------------------------------- */