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/moduleparam.h>
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
30 #include "saa7134-reg.h"
33 /* ------------------------------------------------------------------ */
35 static unsigned int video_debug
= 0;
36 static unsigned int gbuffers
= 8;
37 static unsigned int noninterlaced
= 0;
38 static unsigned int gbufsize
= 720*576*4;
39 static unsigned int gbufsize_max
= 720*576*4;
40 module_param(video_debug
, int, 0644);
41 MODULE_PARM_DESC(video_debug
,"enable debug messages [video]");
42 module_param(gbuffers
, int, 0444);
43 MODULE_PARM_DESC(gbuffers
,"number of capture buffers, range 2-32");
44 module_param(noninterlaced
, int, 0644);
45 MODULE_PARM_DESC(noninterlaced
,"video input is noninterlaced");
47 #define dprintk(fmt, arg...) if (video_debug) \
48 printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg)
50 /* ------------------------------------------------------------------ */
51 /* data structs for video */
53 static int video_out
[][9] = {
54 [CCIR656
] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 },
57 static struct saa7134_format formats
[] = {
60 .fourcc
= V4L2_PIX_FMT_GREY
,
64 .name
= "15 bpp RGB, le",
65 .fourcc
= V4L2_PIX_FMT_RGB555
,
69 .name
= "15 bpp RGB, be",
70 .fourcc
= V4L2_PIX_FMT_RGB555X
,
75 .name
= "16 bpp RGB, le",
76 .fourcc
= V4L2_PIX_FMT_RGB565
,
80 .name
= "16 bpp RGB, be",
81 .fourcc
= V4L2_PIX_FMT_RGB565X
,
86 .name
= "24 bpp RGB, le",
87 .fourcc
= V4L2_PIX_FMT_BGR24
,
91 .name
= "24 bpp RGB, be",
92 .fourcc
= V4L2_PIX_FMT_RGB24
,
97 .name
= "32 bpp RGB, le",
98 .fourcc
= V4L2_PIX_FMT_BGR32
,
102 .name
= "32 bpp RGB, be",
103 .fourcc
= V4L2_PIX_FMT_RGB32
,
109 .name
= "4:2:2 packed, YUYV",
110 .fourcc
= V4L2_PIX_FMT_YUYV
,
116 .name
= "4:2:2 packed, UYVY",
117 .fourcc
= V4L2_PIX_FMT_UYVY
,
122 .name
= "4:2:2 planar, Y-Cb-Cr",
123 .fourcc
= V4L2_PIX_FMT_YUV422P
,
131 .name
= "4:2:0 planar, Y-Cb-Cr",
132 .fourcc
= V4L2_PIX_FMT_YUV420
,
140 .name
= "4:2:0 planar, Y-Cb-Cr",
141 .fourcc
= V4L2_PIX_FMT_YVU420
,
151 #define FORMATS ARRAY_SIZE(formats)
153 #define NORM_625_50 \
156 .video_v_start = 24, \
157 .video_v_stop = 311, \
158 .vbi_v_start_0 = 7, \
159 .vbi_v_stop_0 = 22, \
160 .vbi_v_start_1 = 319, \
163 #define NORM_525_60 \
166 .video_v_start = 23, \
167 .video_v_stop = 262, \
168 .vbi_v_start_0 = 10, \
169 .vbi_v_stop_0 = 21, \
170 .vbi_v_start_1 = 273, \
173 static struct saa7134_tvnorm tvnorms
[] = {
175 .name
= "PAL", /* autodetect */
179 .sync_control
= 0x18,
180 .luma_control
= 0x40,
181 .chroma_ctrl1
= 0x81,
183 .chroma_ctrl2
= 0x06,
188 .id
= V4L2_STD_PAL_BG
,
191 .sync_control
= 0x18,
192 .luma_control
= 0x40,
193 .chroma_ctrl1
= 0x81,
195 .chroma_ctrl2
= 0x06,
200 .id
= V4L2_STD_PAL_I
,
203 .sync_control
= 0x18,
204 .luma_control
= 0x40,
205 .chroma_ctrl1
= 0x81,
207 .chroma_ctrl2
= 0x06,
212 .id
= V4L2_STD_PAL_DK
,
215 .sync_control
= 0x18,
216 .luma_control
= 0x40,
217 .chroma_ctrl1
= 0x81,
219 .chroma_ctrl2
= 0x06,
227 .sync_control
= 0x59,
228 .luma_control
= 0x40,
229 .chroma_ctrl1
= 0x89,
231 .chroma_ctrl2
= 0x0e,
236 .id
= V4L2_STD_SECAM
,
239 .sync_control
= 0x18, /* old: 0x58, */
240 .luma_control
= 0x1b,
241 .chroma_ctrl1
= 0xd1,
243 .chroma_ctrl2
= 0x00,
248 .id
= V4L2_STD_PAL_M
,
251 .sync_control
= 0x59,
252 .luma_control
= 0x40,
253 .chroma_ctrl1
= 0xb9,
255 .chroma_ctrl2
= 0x0e,
260 .id
= V4L2_STD_PAL_Nc
,
263 .sync_control
= 0x18,
264 .luma_control
= 0x40,
265 .chroma_ctrl1
= 0xa1,
267 .chroma_ctrl2
= 0x06,
272 .id
= V4L2_STD_PAL_60
,
280 .vbi_v_start_1
= 273,
283 .sync_control
= 0x18,
284 .luma_control
= 0x40,
285 .chroma_ctrl1
= 0x81,
287 .chroma_ctrl2
= 0x06,
291 #define TVNORMS ARRAY_SIZE(tvnorms)
293 #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0)
294 #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1)
295 #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2)
296 #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3)
297 #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4)
299 static const struct v4l2_queryctrl no_ctrl
= {
301 .flags
= V4L2_CTRL_FLAG_DISABLED
,
303 static const struct v4l2_queryctrl video_ctrls
[] = {
306 .id
= V4L2_CID_BRIGHTNESS
,
307 .name
= "Brightness",
311 .default_value
= 128,
312 .type
= V4L2_CTRL_TYPE_INTEGER
,
314 .id
= V4L2_CID_CONTRAST
,
320 .type
= V4L2_CTRL_TYPE_INTEGER
,
322 .id
= V4L2_CID_SATURATION
,
323 .name
= "Saturation",
328 .type
= V4L2_CTRL_TYPE_INTEGER
,
336 .type
= V4L2_CTRL_TYPE_INTEGER
,
338 .id
= V4L2_CID_HFLIP
,
342 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
346 .id
= V4L2_CID_AUDIO_MUTE
,
350 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
352 .id
= V4L2_CID_AUDIO_VOLUME
,
358 .type
= V4L2_CTRL_TYPE_INTEGER
,
360 /* --- private --- */
362 .id
= V4L2_CID_PRIVATE_INVERT
,
366 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
368 .id
= V4L2_CID_PRIVATE_Y_ODD
,
369 .name
= "y offset odd field",
373 .type
= V4L2_CTRL_TYPE_INTEGER
,
375 .id
= V4L2_CID_PRIVATE_Y_EVEN
,
376 .name
= "y offset even field",
380 .type
= V4L2_CTRL_TYPE_INTEGER
,
382 .id
= V4L2_CID_PRIVATE_AUTOMUTE
,
387 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
390 static const unsigned int CTRLS
= ARRAY_SIZE(video_ctrls
);
392 static const struct v4l2_queryctrl
* ctrl_by_id(unsigned int id
)
396 for (i
= 0; i
< CTRLS
; i
++)
397 if (video_ctrls
[i
].id
== id
)
398 return video_ctrls
+i
;
402 static struct saa7134_format
* format_by_fourcc(unsigned int fourcc
)
406 for (i
= 0; i
< FORMATS
; i
++)
407 if (formats
[i
].fourcc
== fourcc
)
412 /* ----------------------------------------------------------------------- */
413 /* resource management */
415 static int res_get(struct saa7134_dev
*dev
, struct saa7134_fh
*fh
, unsigned int bit
)
417 if (fh
->resources
& bit
)
418 /* have it already allocated */
423 if (dev
->resources
& bit
) {
424 /* no, someone else uses it */
428 /* it's free, grab it */
429 fh
->resources
|= bit
;
430 dev
->resources
|= bit
;
431 dprintk("res: get %d\n",bit
);
437 int res_check(struct saa7134_fh
*fh
, unsigned int bit
)
439 return (fh
->resources
& bit
);
443 int res_locked(struct saa7134_dev
*dev
, unsigned int bit
)
445 return (dev
->resources
& bit
);
449 void res_free(struct saa7134_dev
*dev
, struct saa7134_fh
*fh
, unsigned int bits
)
451 if ((fh
->resources
& bits
) != bits
)
455 fh
->resources
&= ~bits
;
456 dev
->resources
&= ~bits
;
457 dprintk("res: put %d\n",bits
);
461 /* ------------------------------------------------------------------ */
463 static void set_tvnorm(struct saa7134_dev
*dev
, struct saa7134_tvnorm
*norm
)
465 int luma_control
,sync_control
,mux
;
467 dprintk("set tv norm = %s\n",norm
->name
);
470 mux
= card_in(dev
,dev
->ctl_input
).vmux
;
471 luma_control
= norm
->luma_control
;
472 sync_control
= norm
->sync_control
;
475 luma_control
|= 0x80; /* svideo */
476 if (noninterlaced
|| dev
->nosignal
)
477 sync_control
|= 0x20;
480 dev
->crop_bounds
.left
= norm
->h_start
;
481 dev
->crop_defrect
.left
= norm
->h_start
;
482 dev
->crop_bounds
.width
= norm
->h_stop
- norm
->h_start
+1;
483 dev
->crop_defrect
.width
= norm
->h_stop
- norm
->h_start
+1;
485 dev
->crop_bounds
.top
= (norm
->vbi_v_stop_0
+1)*2;
486 dev
->crop_defrect
.top
= norm
->video_v_start
*2;
487 dev
->crop_bounds
.height
= ((norm
->id
& V4L2_STD_525_60
) ? 524 : 624)
488 - dev
->crop_bounds
.top
;
489 dev
->crop_defrect
.height
= (norm
->video_v_stop
- norm
->video_v_start
+1)*2;
491 dev
->crop_current
= dev
->crop_defrect
;
493 /* setup video decoder */
494 saa_writeb(SAA7134_INCR_DELAY
, 0x08);
495 saa_writeb(SAA7134_ANALOG_IN_CTRL1
, 0xc0 | mux
);
496 saa_writeb(SAA7134_ANALOG_IN_CTRL2
, 0x00);
498 saa_writeb(SAA7134_ANALOG_IN_CTRL3
, 0x90);
499 saa_writeb(SAA7134_ANALOG_IN_CTRL4
, 0x90);
500 saa_writeb(SAA7134_HSYNC_START
, 0xeb);
501 saa_writeb(SAA7134_HSYNC_STOP
, 0xe0);
502 saa_writeb(SAA7134_SOURCE_TIMING1
, norm
->src_timing
);
504 saa_writeb(SAA7134_SYNC_CTRL
, sync_control
);
505 saa_writeb(SAA7134_LUMA_CTRL
, luma_control
);
506 saa_writeb(SAA7134_DEC_LUMA_BRIGHT
, dev
->ctl_bright
);
507 saa_writeb(SAA7134_DEC_LUMA_CONTRAST
, dev
->ctl_contrast
);
509 saa_writeb(SAA7134_DEC_CHROMA_SATURATION
, dev
->ctl_saturation
);
510 saa_writeb(SAA7134_DEC_CHROMA_HUE
, dev
->ctl_hue
);
511 saa_writeb(SAA7134_CHROMA_CTRL1
, norm
->chroma_ctrl1
);
512 saa_writeb(SAA7134_CHROMA_GAIN
, norm
->chroma_gain
);
514 saa_writeb(SAA7134_CHROMA_CTRL2
, norm
->chroma_ctrl2
);
515 saa_writeb(SAA7134_MODE_DELAY_CTRL
, 0x00);
517 saa_writeb(SAA7134_ANALOG_ADC
, 0x01);
518 saa_writeb(SAA7134_VGATE_START
, 0x11);
519 saa_writeb(SAA7134_VGATE_STOP
, 0xfe);
520 saa_writeb(SAA7134_MISC_VGATE_MSB
, norm
->vgate_misc
);
521 saa_writeb(SAA7134_RAW_DATA_GAIN
, 0x40);
522 saa_writeb(SAA7134_RAW_DATA_OFFSET
, 0x80);
524 saa7134_i2c_call_clients(dev
,VIDIOC_S_STD
,&norm
->id
);
527 static void video_mux(struct saa7134_dev
*dev
, int input
)
529 dprintk("video input = %d [%s]\n",input
,card_in(dev
,input
).name
);
530 dev
->ctl_input
= input
;
531 set_tvnorm(dev
,dev
->tvnorm
);
532 saa7134_tvaudio_setinput(dev
,&card_in(dev
,input
));
535 static void set_h_prescale(struct saa7134_dev
*dev
, int task
, int prescale
)
537 static const struct {
544 /* XPSC XACL XC2_1 XDCG VPFY */
556 static const int count
= ARRAY_SIZE(vals
);
559 for (i
= 0; i
< count
; i
++)
560 if (vals
[i
].xpsc
== prescale
)
565 saa_writeb(SAA7134_H_PRESCALE(task
), vals
[i
].xpsc
);
566 saa_writeb(SAA7134_ACC_LENGTH(task
), vals
[i
].xacl
);
567 saa_writeb(SAA7134_LEVEL_CTRL(task
),
568 (vals
[i
].xc2_1
<< 3) | (vals
[i
].xdcg
));
569 saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task
), 0x0f,
570 (vals
[i
].vpfy
<< 2) | vals
[i
].vpfy
);
573 static void set_v_scale(struct saa7134_dev
*dev
, int task
, int yscale
)
577 saa_writeb(SAA7134_V_SCALE_RATIO1(task
), yscale
& 0xff);
578 saa_writeb(SAA7134_V_SCALE_RATIO2(task
), yscale
>> 8);
580 mirror
= (dev
->ctl_mirror
) ? 0x02 : 0x00;
583 dprintk("yscale LPI yscale=%d\n",yscale
);
584 saa_writeb(SAA7134_V_FILTER(task
), 0x00 | mirror
);
585 saa_writeb(SAA7134_LUMA_CONTRAST(task
), 0x40);
586 saa_writeb(SAA7134_CHROMA_SATURATION(task
), 0x40);
589 val
= 0x40 * 1024 / yscale
;
590 dprintk("yscale ACM yscale=%d val=0x%x\n",yscale
,val
);
591 saa_writeb(SAA7134_V_FILTER(task
), 0x01 | mirror
);
592 saa_writeb(SAA7134_LUMA_CONTRAST(task
), val
);
593 saa_writeb(SAA7134_CHROMA_SATURATION(task
), val
);
595 saa_writeb(SAA7134_LUMA_BRIGHT(task
), 0x80);
598 static void set_size(struct saa7134_dev
*dev
, int task
,
599 int width
, int height
, int interlace
)
601 int prescale
,xscale
,yscale
,y_even
,y_odd
;
602 int h_start
, h_stop
, v_start
, v_stop
;
603 int div
= interlace
? 2 : 1;
605 /* setup video scaler */
606 h_start
= dev
->crop_current
.left
;
607 v_start
= dev
->crop_current
.top
/2;
608 h_stop
= (dev
->crop_current
.left
+ dev
->crop_current
.width
-1);
609 v_stop
= (dev
->crop_current
.top
+ dev
->crop_current
.height
-1)/2;
611 saa_writeb(SAA7134_VIDEO_H_START1(task
), h_start
& 0xff);
612 saa_writeb(SAA7134_VIDEO_H_START2(task
), h_start
>> 8);
613 saa_writeb(SAA7134_VIDEO_H_STOP1(task
), h_stop
& 0xff);
614 saa_writeb(SAA7134_VIDEO_H_STOP2(task
), h_stop
>> 8);
615 saa_writeb(SAA7134_VIDEO_V_START1(task
), v_start
& 0xff);
616 saa_writeb(SAA7134_VIDEO_V_START2(task
), v_start
>> 8);
617 saa_writeb(SAA7134_VIDEO_V_STOP1(task
), v_stop
& 0xff);
618 saa_writeb(SAA7134_VIDEO_V_STOP2(task
), v_stop
>> 8);
620 prescale
= dev
->crop_current
.width
/ width
;
623 xscale
= 1024 * dev
->crop_current
.width
/ prescale
/ width
;
624 yscale
= 512 * div
* dev
->crop_current
.height
/ height
;
625 dprintk("prescale=%d xscale=%d yscale=%d\n",prescale
,xscale
,yscale
);
626 set_h_prescale(dev
,task
,prescale
);
627 saa_writeb(SAA7134_H_SCALE_INC1(task
), xscale
& 0xff);
628 saa_writeb(SAA7134_H_SCALE_INC2(task
), xscale
>> 8);
629 set_v_scale(dev
,task
,yscale
);
631 saa_writeb(SAA7134_VIDEO_PIXELS1(task
), width
& 0xff);
632 saa_writeb(SAA7134_VIDEO_PIXELS2(task
), width
>> 8);
633 saa_writeb(SAA7134_VIDEO_LINES1(task
), height
/div
& 0xff);
634 saa_writeb(SAA7134_VIDEO_LINES2(task
), height
/div
>> 8);
636 /* deinterlace y offsets */
637 y_odd
= dev
->ctl_y_odd
;
638 y_even
= dev
->ctl_y_even
;
639 saa_writeb(SAA7134_V_PHASE_OFFSET0(task
), y_odd
);
640 saa_writeb(SAA7134_V_PHASE_OFFSET1(task
), y_even
);
641 saa_writeb(SAA7134_V_PHASE_OFFSET2(task
), y_odd
);
642 saa_writeb(SAA7134_V_PHASE_OFFSET3(task
), y_even
);
645 /* ------------------------------------------------------------------ */
653 static void sort_cliplist(struct cliplist
*cl
, int entries
)
655 struct cliplist swap
;
658 for (i
= entries
-2; i
>= 0; i
--) {
659 for (n
= 0, j
= 0; j
<= i
; j
++) {
660 if (cl
[j
].position
> cl
[j
+1].position
) {
672 static void set_cliplist(struct saa7134_dev
*dev
, int reg
,
673 struct cliplist
*cl
, int entries
, char *name
)
678 for (i
= 0; i
< entries
; i
++) {
679 winbits
|= cl
[i
].enable
;
680 winbits
&= ~cl
[i
].disable
;
681 if (i
< 15 && cl
[i
].position
== cl
[i
+1].position
)
683 saa_writeb(reg
+ 0, winbits
);
684 saa_writeb(reg
+ 2, cl
[i
].position
& 0xff);
685 saa_writeb(reg
+ 3, cl
[i
].position
>> 8);
686 dprintk("clip: %s winbits=%02x pos=%d\n",
687 name
,winbits
,cl
[i
].position
);
690 for (; reg
< 0x400; reg
+= 8) {
691 saa_writeb(reg
+ 0, 0);
692 saa_writeb(reg
+ 1, 0);
693 saa_writeb(reg
+ 2, 0);
694 saa_writeb(reg
+ 3, 0);
698 static int clip_range(int val
)
705 static int setup_clipping(struct saa7134_dev
*dev
, struct v4l2_clip
*clips
,
706 int nclips
, int interlace
)
708 struct cliplist col
[16], row
[16];
710 int div
= interlace
? 2 : 1;
712 memset(col
,0,sizeof(col
)); cols
= 0;
713 memset(row
,0,sizeof(row
)); rows
= 0;
714 for (i
= 0; i
< nclips
&& i
< 8; i
++) {
715 col
[cols
].position
= clip_range(clips
[i
].c
.left
);
716 col
[cols
].enable
= (1 << i
);
718 col
[cols
].position
= clip_range(clips
[i
].c
.left
+clips
[i
].c
.width
);
719 col
[cols
].disable
= (1 << i
);
721 row
[rows
].position
= clip_range(clips
[i
].c
.top
/ div
);
722 row
[rows
].enable
= (1 << i
);
724 row
[rows
].position
= clip_range((clips
[i
].c
.top
+ clips
[i
].c
.height
)
726 row
[rows
].disable
= (1 << i
);
729 sort_cliplist(col
,cols
);
730 sort_cliplist(row
,rows
);
731 set_cliplist(dev
,0x380,col
,cols
,"cols");
732 set_cliplist(dev
,0x384,row
,rows
,"rows");
736 static int verify_preview(struct saa7134_dev
*dev
, struct v4l2_window
*win
)
738 enum v4l2_field field
;
741 if (NULL
== dev
->ovbuf
.base
)
743 if (NULL
== dev
->ovfmt
)
745 if (win
->w
.width
< 48 || win
->w
.height
< 32)
747 if (win
->clipcount
> 2048)
751 maxw
= dev
->crop_current
.width
;
752 maxh
= dev
->crop_current
.height
;
754 if (V4L2_FIELD_ANY
== field
) {
755 field
= (win
->w
.height
> maxh
/2)
756 ? V4L2_FIELD_INTERLACED
761 case V4L2_FIELD_BOTTOM
:
764 case V4L2_FIELD_INTERLACED
:
771 if (win
->w
.width
> maxw
)
773 if (win
->w
.height
> maxh
)
774 win
->w
.height
= maxh
;
778 static int start_preview(struct saa7134_dev
*dev
, struct saa7134_fh
*fh
)
780 unsigned long base
,control
,bpl
;
783 err
= verify_preview(dev
,&fh
->win
);
787 dev
->ovfield
= fh
->win
.field
;
788 dprintk("start_preview %dx%d+%d+%d %s field=%s\n",
789 fh
->win
.w
.width
,fh
->win
.w
.height
,
790 fh
->win
.w
.left
,fh
->win
.w
.top
,
791 dev
->ovfmt
->name
,v4l2_field_names
[dev
->ovfield
]);
793 /* setup window + clipping */
794 set_size(dev
,TASK_B
,fh
->win
.w
.width
,fh
->win
.w
.height
,
795 V4L2_FIELD_HAS_BOTH(dev
->ovfield
));
796 setup_clipping(dev
,fh
->clips
,fh
->nclips
,
797 V4L2_FIELD_HAS_BOTH(dev
->ovfield
));
799 saa_andorb(SAA7134_DATA_PATH(TASK_B
), 0x3f, 0x03);
801 saa_andorb(SAA7134_DATA_PATH(TASK_B
), 0x3f, 0x01);
802 saa_writeb(SAA7134_OFMT_VIDEO_B
, dev
->ovfmt
->pm
| 0x20);
804 /* dma: setup channel 1 (= Video Task B) */
805 base
= (unsigned long)dev
->ovbuf
.base
;
806 base
+= dev
->ovbuf
.fmt
.bytesperline
* fh
->win
.w
.top
;
807 base
+= dev
->ovfmt
->depth
/8 * fh
->win
.w
.left
;
808 bpl
= dev
->ovbuf
.fmt
.bytesperline
;
809 control
= SAA7134_RS_CONTROL_BURST_16
;
810 if (dev
->ovfmt
->bswap
)
811 control
|= SAA7134_RS_CONTROL_BSWAP
;
812 if (dev
->ovfmt
->wswap
)
813 control
|= SAA7134_RS_CONTROL_WSWAP
;
814 if (V4L2_FIELD_HAS_BOTH(dev
->ovfield
)) {
815 saa_writel(SAA7134_RS_BA1(1),base
);
816 saa_writel(SAA7134_RS_BA2(1),base
+bpl
);
817 saa_writel(SAA7134_RS_PITCH(1),bpl
*2);
818 saa_writel(SAA7134_RS_CONTROL(1),control
);
820 saa_writel(SAA7134_RS_BA1(1),base
);
821 saa_writel(SAA7134_RS_BA2(1),base
);
822 saa_writel(SAA7134_RS_PITCH(1),bpl
);
823 saa_writel(SAA7134_RS_CONTROL(1),control
);
828 saa7134_set_dmabits(dev
);
833 static int stop_preview(struct saa7134_dev
*dev
, struct saa7134_fh
*fh
)
836 saa7134_set_dmabits(dev
);
840 /* ------------------------------------------------------------------ */
842 static int buffer_activate(struct saa7134_dev
*dev
,
843 struct saa7134_buf
*buf
,
844 struct saa7134_buf
*next
)
846 unsigned long base
,control
,bpl
;
847 unsigned long bpl_uv
,lines_uv
,base2
,base3
,tmp
; /* planar */
849 dprintk("buffer_activate buf=%p\n",buf
);
850 buf
->vb
.state
= STATE_ACTIVE
;
853 set_size(dev
,TASK_A
,buf
->vb
.width
,buf
->vb
.height
,
854 V4L2_FIELD_HAS_BOTH(buf
->vb
.field
));
856 saa_andorb(SAA7134_DATA_PATH(TASK_A
), 0x3f, 0x03);
858 saa_andorb(SAA7134_DATA_PATH(TASK_A
), 0x3f, 0x01);
859 saa_writeb(SAA7134_OFMT_VIDEO_A
, buf
->fmt
->pm
);
861 /* DMA: setup channel 0 (= Video Task A0) */
862 base
= saa7134_buffer_base(buf
);
863 if (buf
->fmt
->planar
)
866 bpl
= (buf
->vb
.width
* buf
->fmt
->depth
) / 8;
867 control
= SAA7134_RS_CONTROL_BURST_16
|
868 SAA7134_RS_CONTROL_ME
|
869 (buf
->pt
->dma
>> 12);
871 control
|= SAA7134_RS_CONTROL_BSWAP
;
873 control
|= SAA7134_RS_CONTROL_WSWAP
;
874 if (V4L2_FIELD_HAS_BOTH(buf
->vb
.field
)) {
876 saa_writel(SAA7134_RS_BA1(0),base
);
877 saa_writel(SAA7134_RS_BA2(0),base
+bpl
);
878 saa_writel(SAA7134_RS_PITCH(0),bpl
*2);
881 saa_writel(SAA7134_RS_BA1(0),base
);
882 saa_writel(SAA7134_RS_BA2(0),base
);
883 saa_writel(SAA7134_RS_PITCH(0),bpl
);
885 saa_writel(SAA7134_RS_CONTROL(0),control
);
887 if (buf
->fmt
->planar
) {
888 /* DMA: setup channel 4+5 (= planar task A) */
889 bpl_uv
= bpl
>> buf
->fmt
->hshift
;
890 lines_uv
= buf
->vb
.height
>> buf
->fmt
->vshift
;
891 base2
= base
+ bpl
* buf
->vb
.height
;
892 base3
= base2
+ bpl_uv
* lines_uv
;
893 if (buf
->fmt
->uvswap
)
894 tmp
= base2
, base2
= base3
, base3
= tmp
;
895 dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n",
896 bpl_uv
,lines_uv
,base2
,base3
);
897 if (V4L2_FIELD_HAS_BOTH(buf
->vb
.field
)) {
899 saa_writel(SAA7134_RS_BA1(4),base2
);
900 saa_writel(SAA7134_RS_BA2(4),base2
+bpl_uv
);
901 saa_writel(SAA7134_RS_PITCH(4),bpl_uv
*2);
902 saa_writel(SAA7134_RS_BA1(5),base3
);
903 saa_writel(SAA7134_RS_BA2(5),base3
+bpl_uv
);
904 saa_writel(SAA7134_RS_PITCH(5),bpl_uv
*2);
907 saa_writel(SAA7134_RS_BA1(4),base2
);
908 saa_writel(SAA7134_RS_BA2(4),base2
);
909 saa_writel(SAA7134_RS_PITCH(4),bpl_uv
);
910 saa_writel(SAA7134_RS_BA1(5),base3
);
911 saa_writel(SAA7134_RS_BA2(5),base3
);
912 saa_writel(SAA7134_RS_PITCH(5),bpl_uv
);
914 saa_writel(SAA7134_RS_CONTROL(4),control
);
915 saa_writel(SAA7134_RS_CONTROL(5),control
);
919 saa7134_set_dmabits(dev
);
920 mod_timer(&dev
->video_q
.timeout
, jiffies
+BUFFER_TIMEOUT
);
924 static int buffer_prepare(struct videobuf_queue
*q
,
925 struct videobuf_buffer
*vb
,
926 enum v4l2_field field
)
928 struct saa7134_fh
*fh
= q
->priv_data
;
929 struct saa7134_dev
*dev
= fh
->dev
;
930 struct saa7134_buf
*buf
= container_of(vb
,struct saa7134_buf
,vb
);
937 if (fh
->width
< 48 ||
939 fh
->width
/4 > dev
->crop_current
.width
||
940 fh
->height
/4 > dev
->crop_current
.height
||
941 fh
->width
> dev
->crop_bounds
.width
||
942 fh
->height
> dev
->crop_bounds
.height
)
944 size
= (fh
->width
* fh
->height
* fh
->fmt
->depth
) >> 3;
945 if (0 != buf
->vb
.baddr
&& buf
->vb
.bsize
< size
)
948 dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n",
949 vb
->i
,fh
->width
,fh
->height
,size
,v4l2_field_names
[field
],
951 if (buf
->vb
.width
!= fh
->width
||
952 buf
->vb
.height
!= fh
->height
||
953 buf
->vb
.size
!= size
||
954 buf
->vb
.field
!= field
||
955 buf
->fmt
!= fh
->fmt
) {
956 saa7134_dma_free(dev
,buf
);
959 if (STATE_NEEDS_INIT
== buf
->vb
.state
) {
960 buf
->vb
.width
= fh
->width
;
961 buf
->vb
.height
= fh
->height
;
963 buf
->vb
.field
= field
;
965 buf
->pt
= &fh
->pt_cap
;
967 err
= videobuf_iolock(dev
->pci
,&buf
->vb
,&dev
->ovbuf
);
970 err
= saa7134_pgtable_build(dev
->pci
,buf
->pt
,
973 saa7134_buffer_startpage(buf
));
977 buf
->vb
.state
= STATE_PREPARED
;
978 buf
->activate
= buffer_activate
;
982 saa7134_dma_free(dev
,buf
);
987 buffer_setup(struct videobuf_queue
*q
, unsigned int *count
, unsigned int *size
)
989 struct saa7134_fh
*fh
= q
->priv_data
;
991 *size
= fh
->fmt
->depth
* fh
->width
* fh
->height
>> 3;
994 *count
= saa7134_buffer_count(*size
,*count
);
998 static void buffer_queue(struct videobuf_queue
*q
, struct videobuf_buffer
*vb
)
1000 struct saa7134_fh
*fh
= q
->priv_data
;
1001 struct saa7134_buf
*buf
= container_of(vb
,struct saa7134_buf
,vb
);
1003 saa7134_buffer_queue(fh
->dev
,&fh
->dev
->video_q
,buf
);
1006 static void buffer_release(struct videobuf_queue
*q
, struct videobuf_buffer
*vb
)
1008 struct saa7134_fh
*fh
= q
->priv_data
;
1009 struct saa7134_buf
*buf
= container_of(vb
,struct saa7134_buf
,vb
);
1011 saa7134_dma_free(fh
->dev
,buf
);
1014 static struct videobuf_queue_ops video_qops
= {
1015 .buf_setup
= buffer_setup
,
1016 .buf_prepare
= buffer_prepare
,
1017 .buf_queue
= buffer_queue
,
1018 .buf_release
= buffer_release
,
1021 /* ------------------------------------------------------------------ */
1023 static int get_control(struct saa7134_dev
*dev
, struct v4l2_control
*c
)
1025 const struct v4l2_queryctrl
* ctrl
;
1027 ctrl
= ctrl_by_id(c
->id
);
1031 case V4L2_CID_BRIGHTNESS
:
1032 c
->value
= dev
->ctl_bright
;
1035 c
->value
= dev
->ctl_hue
;
1037 case V4L2_CID_CONTRAST
:
1038 c
->value
= dev
->ctl_contrast
;
1040 case V4L2_CID_SATURATION
:
1041 c
->value
= dev
->ctl_saturation
;
1043 case V4L2_CID_AUDIO_MUTE
:
1044 c
->value
= dev
->ctl_mute
;
1046 case V4L2_CID_AUDIO_VOLUME
:
1047 c
->value
= dev
->ctl_volume
;
1049 case V4L2_CID_PRIVATE_INVERT
:
1050 c
->value
= dev
->ctl_invert
;
1052 case V4L2_CID_HFLIP
:
1053 c
->value
= dev
->ctl_mirror
;
1055 case V4L2_CID_PRIVATE_Y_EVEN
:
1056 c
->value
= dev
->ctl_y_even
;
1058 case V4L2_CID_PRIVATE_Y_ODD
:
1059 c
->value
= dev
->ctl_y_odd
;
1061 case V4L2_CID_PRIVATE_AUTOMUTE
:
1062 c
->value
= dev
->ctl_automute
;
1070 static int set_control(struct saa7134_dev
*dev
, struct saa7134_fh
*fh
,
1071 struct v4l2_control
*c
)
1073 const struct v4l2_queryctrl
* ctrl
;
1074 unsigned long flags
;
1075 int restart_overlay
= 0;
1077 ctrl
= ctrl_by_id(c
->id
);
1080 dprintk("set_control name=%s val=%d\n",ctrl
->name
,c
->value
);
1081 switch (ctrl
->type
) {
1082 case V4L2_CTRL_TYPE_BOOLEAN
:
1083 case V4L2_CTRL_TYPE_MENU
:
1084 case V4L2_CTRL_TYPE_INTEGER
:
1085 if (c
->value
< ctrl
->minimum
)
1086 c
->value
= ctrl
->minimum
;
1087 if (c
->value
> ctrl
->maximum
)
1088 c
->value
= ctrl
->maximum
;
1094 case V4L2_CID_BRIGHTNESS
:
1095 dev
->ctl_bright
= c
->value
;
1096 saa_writeb(SAA7134_DEC_LUMA_BRIGHT
, dev
->ctl_bright
);
1099 dev
->ctl_hue
= c
->value
;
1100 saa_writeb(SAA7134_DEC_CHROMA_HUE
, dev
->ctl_hue
);
1102 case V4L2_CID_CONTRAST
:
1103 dev
->ctl_contrast
= c
->value
;
1104 saa_writeb(SAA7134_DEC_LUMA_CONTRAST
,
1105 dev
->ctl_invert
? -dev
->ctl_contrast
: dev
->ctl_contrast
);
1107 case V4L2_CID_SATURATION
:
1108 dev
->ctl_saturation
= c
->value
;
1109 saa_writeb(SAA7134_DEC_CHROMA_SATURATION
,
1110 dev
->ctl_invert
? -dev
->ctl_saturation
: dev
->ctl_saturation
);
1112 case V4L2_CID_AUDIO_MUTE
:
1113 dev
->ctl_mute
= c
->value
;
1114 saa7134_tvaudio_setmute(dev
);
1116 case V4L2_CID_AUDIO_VOLUME
:
1117 dev
->ctl_volume
= c
->value
;
1118 saa7134_tvaudio_setvolume(dev
,dev
->ctl_volume
);
1120 case V4L2_CID_PRIVATE_INVERT
:
1121 dev
->ctl_invert
= c
->value
;
1122 saa_writeb(SAA7134_DEC_LUMA_CONTRAST
,
1123 dev
->ctl_invert
? -dev
->ctl_contrast
: dev
->ctl_contrast
);
1124 saa_writeb(SAA7134_DEC_CHROMA_SATURATION
,
1125 dev
->ctl_invert
? -dev
->ctl_saturation
: dev
->ctl_saturation
);
1127 case V4L2_CID_HFLIP
:
1128 dev
->ctl_mirror
= c
->value
;
1129 restart_overlay
= 1;
1131 case V4L2_CID_PRIVATE_Y_EVEN
:
1132 dev
->ctl_y_even
= c
->value
;
1133 restart_overlay
= 1;
1135 case V4L2_CID_PRIVATE_Y_ODD
:
1136 dev
->ctl_y_odd
= c
->value
;
1137 restart_overlay
= 1;
1139 case V4L2_CID_PRIVATE_AUTOMUTE
:
1140 dev
->ctl_automute
= c
->value
;
1141 if (dev
->tda9887_conf
) {
1142 if (dev
->ctl_automute
)
1143 dev
->tda9887_conf
|= TDA9887_AUTOMUTE
;
1145 dev
->tda9887_conf
&= ~TDA9887_AUTOMUTE
;
1146 saa7134_i2c_call_clients(dev
, TDA9887_SET_CONFIG
,
1147 &dev
->tda9887_conf
);
1153 if (restart_overlay
&& fh
&& res_check(fh
, RESOURCE_OVERLAY
)) {
1154 spin_lock_irqsave(&dev
->slock
,flags
);
1155 stop_preview(dev
,fh
);
1156 start_preview(dev
,fh
);
1157 spin_unlock_irqrestore(&dev
->slock
,flags
);
1162 /* ------------------------------------------------------------------ */
1164 static struct videobuf_queue
* saa7134_queue(struct saa7134_fh
*fh
)
1166 struct videobuf_queue
* q
= NULL
;
1169 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
1172 case V4L2_BUF_TYPE_VBI_CAPTURE
:
1181 static int saa7134_resource(struct saa7134_fh
*fh
)
1186 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
1187 res
= RESOURCE_VIDEO
;
1189 case V4L2_BUF_TYPE_VBI_CAPTURE
:
1198 static int video_open(struct inode
*inode
, struct file
*file
)
1200 int minor
= iminor(inode
);
1201 struct saa7134_dev
*h
,*dev
= NULL
;
1202 struct saa7134_fh
*fh
;
1203 struct list_head
*list
;
1204 enum v4l2_buf_type type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1206 list_for_each(list
,&saa7134_devlist
) {
1207 h
= list_entry(list
, struct saa7134_dev
, devlist
);
1208 if (h
->video_dev
&& (h
->video_dev
->minor
== minor
))
1210 if (h
->radio_dev
&& (h
->radio_dev
->minor
== minor
)) {
1214 if (h
->vbi_dev
&& (h
->vbi_dev
->minor
== minor
)) {
1215 type
= V4L2_BUF_TYPE_VBI_CAPTURE
;
1222 dprintk("open minor=%d radio=%d type=%s\n",minor
,radio
,
1223 v4l2_type_names
[type
]);
1225 /* allocate + initialize per filehandle data */
1226 fh
= kmalloc(sizeof(*fh
),GFP_KERNEL
);
1229 memset(fh
,0,sizeof(*fh
));
1230 file
->private_data
= fh
;
1234 fh
->fmt
= format_by_fourcc(V4L2_PIX_FMT_BGR24
);
1237 v4l2_prio_open(&dev
->prio
,&fh
->prio
);
1239 videobuf_queue_init(&fh
->cap
, &video_qops
,
1240 dev
->pci
, &dev
->slock
,
1241 V4L2_BUF_TYPE_VIDEO_CAPTURE
,
1242 V4L2_FIELD_INTERLACED
,
1243 sizeof(struct saa7134_buf
),
1245 videobuf_queue_init(&fh
->vbi
, &saa7134_vbi_qops
,
1246 dev
->pci
, &dev
->slock
,
1247 V4L2_BUF_TYPE_VBI_CAPTURE
,
1249 sizeof(struct saa7134_buf
),
1251 saa7134_pgtable_alloc(dev
->pci
,&fh
->pt_cap
);
1252 saa7134_pgtable_alloc(dev
->pci
,&fh
->pt_vbi
);
1255 /* switch to radio mode */
1256 saa7134_tvaudio_setinput(dev
,&card(dev
).radio
);
1257 saa7134_i2c_call_clients(dev
,AUDC_SET_RADIO
, NULL
);
1259 /* switch to video/vbi mode */
1260 video_mux(dev
,dev
->ctl_input
);
1266 video_read(struct file
*file
, char __user
*data
, size_t count
, loff_t
*ppos
)
1268 struct saa7134_fh
*fh
= file
->private_data
;
1271 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
1272 if (res_locked(fh
->dev
,RESOURCE_VIDEO
))
1274 return videobuf_read_one(saa7134_queue(fh
),
1276 file
->f_flags
& O_NONBLOCK
);
1277 case V4L2_BUF_TYPE_VBI_CAPTURE
:
1278 if (!res_get(fh
->dev
,fh
,RESOURCE_VBI
))
1280 return videobuf_read_stream(saa7134_queue(fh
),
1281 data
, count
, ppos
, 1,
1282 file
->f_flags
& O_NONBLOCK
);
1291 video_poll(struct file
*file
, struct poll_table_struct
*wait
)
1293 struct saa7134_fh
*fh
= file
->private_data
;
1294 struct videobuf_buffer
*buf
= NULL
;
1296 if (V4L2_BUF_TYPE_VBI_CAPTURE
== fh
->type
)
1297 return videobuf_poll_stream(file
, &fh
->vbi
, wait
);
1299 if (res_check(fh
,RESOURCE_VIDEO
)) {
1300 if (!list_empty(&fh
->cap
.stream
))
1301 buf
= list_entry(fh
->cap
.stream
.next
, struct videobuf_buffer
, stream
);
1303 down(&fh
->cap
.lock
);
1304 if (UNSET
== fh
->cap
.read_off
) {
1305 /* need to capture a new frame */
1306 if (res_locked(fh
->dev
,RESOURCE_VIDEO
)) {
1310 if (0 != fh
->cap
.ops
->buf_prepare(&fh
->cap
,fh
->cap
.read_buf
,fh
->cap
.field
)) {
1314 fh
->cap
.ops
->buf_queue(&fh
->cap
,fh
->cap
.read_buf
);
1315 fh
->cap
.read_off
= 0;
1318 buf
= fh
->cap
.read_buf
;
1324 poll_wait(file
, &buf
->done
, wait
);
1325 if (buf
->state
== STATE_DONE
||
1326 buf
->state
== STATE_ERROR
)
1327 return POLLIN
|POLLRDNORM
;
1331 static int video_release(struct inode
*inode
, struct file
*file
)
1333 struct saa7134_fh
*fh
= file
->private_data
;
1334 struct saa7134_dev
*dev
= fh
->dev
;
1335 unsigned long flags
;
1337 /* turn off overlay */
1338 if (res_check(fh
, RESOURCE_OVERLAY
)) {
1339 spin_lock_irqsave(&dev
->slock
,flags
);
1340 stop_preview(dev
,fh
);
1341 spin_unlock_irqrestore(&dev
->slock
,flags
);
1342 res_free(dev
,fh
,RESOURCE_OVERLAY
);
1345 /* stop video capture */
1346 if (res_check(fh
, RESOURCE_VIDEO
)) {
1347 videobuf_streamoff(&fh
->cap
);
1348 res_free(dev
,fh
,RESOURCE_VIDEO
);
1350 if (fh
->cap
.read_buf
) {
1351 buffer_release(&fh
->cap
,fh
->cap
.read_buf
);
1352 kfree(fh
->cap
.read_buf
);
1355 /* stop vbi capture */
1356 if (res_check(fh
, RESOURCE_VBI
)) {
1357 if (fh
->vbi
.streaming
)
1358 videobuf_streamoff(&fh
->vbi
);
1359 if (fh
->vbi
.reading
)
1360 videobuf_read_stop(&fh
->vbi
);
1361 res_free(dev
,fh
,RESOURCE_VBI
);
1364 /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/
1365 saa_andorb(SAA7134_OFMT_VIDEO_A
, 0x1f, 0);
1366 saa_andorb(SAA7134_OFMT_VIDEO_B
, 0x1f, 0);
1367 saa_andorb(SAA7134_OFMT_DATA_A
, 0x1f, 0);
1368 saa_andorb(SAA7134_OFMT_DATA_B
, 0x1f, 0);
1370 saa7134_i2c_call_clients(dev
, TUNER_SET_STANDBY
, NULL
);
1373 videobuf_mmap_free(&fh
->cap
);
1374 videobuf_mmap_free(&fh
->vbi
);
1375 saa7134_pgtable_free(dev
->pci
,&fh
->pt_cap
);
1376 saa7134_pgtable_free(dev
->pci
,&fh
->pt_vbi
);
1378 v4l2_prio_close(&dev
->prio
,&fh
->prio
);
1379 file
->private_data
= NULL
;
1385 video_mmap(struct file
*file
, struct vm_area_struct
* vma
)
1387 struct saa7134_fh
*fh
= file
->private_data
;
1389 return videobuf_mmap_mapper(saa7134_queue(fh
), vma
);
1392 /* ------------------------------------------------------------------ */
1394 static void saa7134_vbi_fmt(struct saa7134_dev
*dev
, struct v4l2_format
*f
)
1396 struct saa7134_tvnorm
*norm
= dev
->tvnorm
;
1398 f
->fmt
.vbi
.sampling_rate
= 6750000 * 4;
1399 f
->fmt
.vbi
.samples_per_line
= 2048 /* VBI_LINE_LENGTH */;
1400 f
->fmt
.vbi
.sample_format
= V4L2_PIX_FMT_GREY
;
1401 f
->fmt
.vbi
.offset
= 64 * 4;
1402 f
->fmt
.vbi
.start
[0] = norm
->vbi_v_start_0
;
1403 f
->fmt
.vbi
.count
[0] = norm
->vbi_v_stop_0
- norm
->vbi_v_start_0
+1;
1404 f
->fmt
.vbi
.start
[1] = norm
->vbi_v_start_1
;
1405 f
->fmt
.vbi
.count
[1] = f
->fmt
.vbi
.count
[0];
1406 f
->fmt
.vbi
.flags
= 0; /* VBI_UNSYNC VBI_INTERLACED */
1410 static int saa7134_g_fmt(struct saa7134_dev
*dev
, struct saa7134_fh
*fh
,
1411 struct v4l2_format
*f
)
1414 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
1415 memset(&f
->fmt
.pix
,0,sizeof(f
->fmt
.pix
));
1416 f
->fmt
.pix
.width
= fh
->width
;
1417 f
->fmt
.pix
.height
= fh
->height
;
1418 f
->fmt
.pix
.field
= fh
->cap
.field
;
1419 f
->fmt
.pix
.pixelformat
= fh
->fmt
->fourcc
;
1420 f
->fmt
.pix
.bytesperline
=
1421 (f
->fmt
.pix
.width
* fh
->fmt
->depth
) >> 3;
1422 f
->fmt
.pix
.sizeimage
=
1423 f
->fmt
.pix
.height
* f
->fmt
.pix
.bytesperline
;
1425 case V4L2_BUF_TYPE_VIDEO_OVERLAY
:
1426 f
->fmt
.win
= fh
->win
;
1428 case V4L2_BUF_TYPE_VBI_CAPTURE
:
1429 saa7134_vbi_fmt(dev
,f
);
1436 static int saa7134_try_fmt(struct saa7134_dev
*dev
, struct saa7134_fh
*fh
,
1437 struct v4l2_format
*f
)
1442 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
1444 struct saa7134_format
*fmt
;
1445 enum v4l2_field field
;
1446 unsigned int maxw
, maxh
;
1448 fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
1452 field
= f
->fmt
.pix
.field
;
1453 maxw
= min(dev
->crop_current
.width
*4, dev
->crop_bounds
.width
);
1454 maxh
= min(dev
->crop_current
.height
*4, dev
->crop_bounds
.height
);
1456 if (V4L2_FIELD_ANY
== field
) {
1457 field
= (f
->fmt
.pix
.height
> maxh
/2)
1458 ? V4L2_FIELD_INTERLACED
1459 : V4L2_FIELD_BOTTOM
;
1462 case V4L2_FIELD_TOP
:
1463 case V4L2_FIELD_BOTTOM
:
1466 case V4L2_FIELD_INTERLACED
:
1472 f
->fmt
.pix
.field
= field
;
1473 if (f
->fmt
.pix
.width
< 48)
1474 f
->fmt
.pix
.width
= 48;
1475 if (f
->fmt
.pix
.height
< 32)
1476 f
->fmt
.pix
.height
= 32;
1477 if (f
->fmt
.pix
.width
> maxw
)
1478 f
->fmt
.pix
.width
= maxw
;
1479 if (f
->fmt
.pix
.height
> maxh
)
1480 f
->fmt
.pix
.height
= maxh
;
1481 f
->fmt
.pix
.width
&= ~0x03;
1482 f
->fmt
.pix
.bytesperline
=
1483 (f
->fmt
.pix
.width
* fmt
->depth
) >> 3;
1484 f
->fmt
.pix
.sizeimage
=
1485 f
->fmt
.pix
.height
* f
->fmt
.pix
.bytesperline
;
1489 case V4L2_BUF_TYPE_VIDEO_OVERLAY
:
1490 err
= verify_preview(dev
,&f
->fmt
.win
);
1494 case V4L2_BUF_TYPE_VBI_CAPTURE
:
1495 saa7134_vbi_fmt(dev
,f
);
1502 static int saa7134_s_fmt(struct saa7134_dev
*dev
, struct saa7134_fh
*fh
,
1503 struct v4l2_format
*f
)
1505 unsigned long flags
;
1509 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
1510 err
= saa7134_try_fmt(dev
,fh
,f
);
1514 fh
->fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
1515 fh
->width
= f
->fmt
.pix
.width
;
1516 fh
->height
= f
->fmt
.pix
.height
;
1517 fh
->cap
.field
= f
->fmt
.pix
.field
;
1519 case V4L2_BUF_TYPE_VIDEO_OVERLAY
:
1520 err
= verify_preview(dev
,&f
->fmt
.win
);
1525 fh
->win
= f
->fmt
.win
;
1526 fh
->nclips
= f
->fmt
.win
.clipcount
;
1529 if (copy_from_user(fh
->clips
,f
->fmt
.win
.clips
,
1530 sizeof(struct v4l2_clip
)*fh
->nclips
)) {
1535 if (res_check(fh
, RESOURCE_OVERLAY
)) {
1536 spin_lock_irqsave(&dev
->slock
,flags
);
1537 stop_preview(dev
,fh
);
1538 start_preview(dev
,fh
);
1539 spin_unlock_irqrestore(&dev
->slock
,flags
);
1543 case V4L2_BUF_TYPE_VBI_CAPTURE
:
1544 saa7134_vbi_fmt(dev
,f
);
1551 int saa7134_common_ioctl(struct saa7134_dev
*dev
,
1552 unsigned int cmd
, void *arg
)
1557 case VIDIOC_QUERYCTRL
:
1559 const struct v4l2_queryctrl
*ctrl
;
1560 struct v4l2_queryctrl
*c
= arg
;
1562 if ((c
->id
< V4L2_CID_BASE
||
1563 c
->id
>= V4L2_CID_LASTP1
) &&
1564 (c
->id
< V4L2_CID_PRIVATE_BASE
||
1565 c
->id
>= V4L2_CID_PRIVATE_LASTP1
))
1567 ctrl
= ctrl_by_id(c
->id
);
1568 *c
= (NULL
!= ctrl
) ? *ctrl
: no_ctrl
;
1572 return get_control(dev
,arg
);
1576 err
= set_control(dev
,NULL
,arg
);
1580 /* --- input switching --------------------------------------- */
1581 case VIDIOC_ENUMINPUT
:
1583 struct v4l2_input
*i
= arg
;
1587 if (n
>= SAA7134_INPUT_MAX
)
1589 if (NULL
== card_in(dev
,i
->index
).name
)
1591 memset(i
,0,sizeof(*i
));
1593 i
->type
= V4L2_INPUT_TYPE_CAMERA
;
1594 strcpy(i
->name
,card_in(dev
,n
).name
);
1595 if (card_in(dev
,n
).tv
)
1596 i
->type
= V4L2_INPUT_TYPE_TUNER
;
1598 if (n
== dev
->ctl_input
) {
1599 int v1
= saa_readb(SAA7134_STATUS_VIDEO1
);
1600 int v2
= saa_readb(SAA7134_STATUS_VIDEO2
);
1602 if (0 != (v1
& 0x40))
1603 i
->status
|= V4L2_IN_ST_NO_H_LOCK
;
1604 if (0 != (v2
& 0x40))
1605 i
->status
|= V4L2_IN_ST_NO_SYNC
;
1606 if (0 != (v2
& 0x0e))
1607 i
->status
|= V4L2_IN_ST_MACROVISION
;
1609 for (n
= 0; n
< TVNORMS
; n
++)
1610 i
->std
|= tvnorms
[n
].id
;
1613 case VIDIOC_G_INPUT
:
1616 *i
= dev
->ctl_input
;
1619 case VIDIOC_S_INPUT
:
1623 if (*i
< 0 || *i
>= SAA7134_INPUT_MAX
)
1625 if (NULL
== card_in(dev
,*i
).name
)
1636 EXPORT_SYMBOL(saa7134_common_ioctl
);
1639 * This function is _not_ called directly, but from
1640 * video_generic_ioctl (and maybe others). userspace
1641 * copying is done already, arg is a kernel pointer.
1643 static int video_do_ioctl(struct inode
*inode
, struct file
*file
,
1644 unsigned int cmd
, void *arg
)
1646 struct saa7134_fh
*fh
= file
->private_data
;
1647 struct saa7134_dev
*dev
= fh
->dev
;
1648 unsigned long flags
;
1651 if (video_debug
> 1)
1652 saa7134_print_ioctl(dev
->name
,cmd
);
1657 case VIDIOC_S_INPUT
:
1658 case VIDIOC_S_TUNER
:
1659 case VIDIOC_S_FREQUENCY
:
1660 err
= v4l2_prio_check(&dev
->prio
,&fh
->prio
);
1666 case VIDIOC_QUERYCAP
:
1668 struct v4l2_capability
*cap
= arg
;
1670 memset(cap
,0,sizeof(*cap
));
1671 strcpy(cap
->driver
, "saa7134");
1672 strlcpy(cap
->card
, saa7134_boards
[dev
->board
].name
,
1674 sprintf(cap
->bus_info
,"PCI:%s",pci_name(dev
->pci
));
1675 cap
->version
= SAA7134_VERSION_CODE
;
1677 V4L2_CAP_VIDEO_CAPTURE
|
1678 V4L2_CAP_VIDEO_OVERLAY
|
1679 V4L2_CAP_VBI_CAPTURE
|
1681 V4L2_CAP_READWRITE
|
1686 /* --- tv standards ------------------------------------------ */
1687 case VIDIOC_ENUMSTD
:
1689 struct v4l2_standard
*e
= arg
;
1695 err
= v4l2_video_std_construct(e
, tvnorms
[e
->index
].id
,
1696 tvnorms
[e
->index
].name
);
1704 v4l2_std_id
*id
= arg
;
1706 *id
= dev
->tvnorm
->id
;
1711 v4l2_std_id
*id
= arg
;
1714 for (i
= 0; i
< TVNORMS
; i
++)
1715 if (*id
== tvnorms
[i
].id
)
1718 for (i
= 0; i
< TVNORMS
; i
++)
1719 if (*id
& tvnorms
[i
].id
)
1725 if (res_check(fh
, RESOURCE_OVERLAY
)) {
1726 spin_lock_irqsave(&dev
->slock
,flags
);
1727 stop_preview(dev
,fh
);
1728 set_tvnorm(dev
,&tvnorms
[i
]);
1729 start_preview(dev
,fh
);
1730 spin_unlock_irqrestore(&dev
->slock
,flags
);
1732 set_tvnorm(dev
,&tvnorms
[i
]);
1733 saa7134_tvaudio_do_scan(dev
);
1738 case VIDIOC_CROPCAP
:
1740 struct v4l2_cropcap
*cap
= arg
;
1742 if (cap
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
&&
1743 cap
->type
!= V4L2_BUF_TYPE_VIDEO_OVERLAY
)
1745 cap
->bounds
= dev
->crop_bounds
;
1746 cap
->defrect
= dev
->crop_defrect
;
1747 cap
->pixelaspect
.numerator
= 1;
1748 cap
->pixelaspect
.denominator
= 1;
1749 if (dev
->tvnorm
->id
& V4L2_STD_525_60
) {
1750 cap
->pixelaspect
.numerator
= 11;
1751 cap
->pixelaspect
.denominator
= 10;
1753 if (dev
->tvnorm
->id
& V4L2_STD_625_50
) {
1754 cap
->pixelaspect
.numerator
= 54;
1755 cap
->pixelaspect
.denominator
= 59;
1762 struct v4l2_crop
* crop
= arg
;
1764 if (crop
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
&&
1765 crop
->type
!= V4L2_BUF_TYPE_VIDEO_OVERLAY
)
1767 crop
->c
= dev
->crop_current
;
1772 struct v4l2_crop
*crop
= arg
;
1773 struct v4l2_rect
*b
= &dev
->crop_bounds
;
1775 if (crop
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
&&
1776 crop
->type
!= V4L2_BUF_TYPE_VIDEO_OVERLAY
)
1778 if (crop
->c
.height
< 0)
1780 if (crop
->c
.width
< 0)
1783 if (res_locked(fh
->dev
,RESOURCE_OVERLAY
))
1785 if (res_locked(fh
->dev
,RESOURCE_VIDEO
))
1788 if (crop
->c
.top
< b
->top
)
1789 crop
->c
.top
= b
->top
;
1790 if (crop
->c
.top
> b
->top
+ b
->height
)
1791 crop
->c
.top
= b
->top
+ b
->height
;
1792 if (crop
->c
.height
> b
->top
- crop
->c
.top
+ b
->height
)
1793 crop
->c
.height
= b
->top
- crop
->c
.top
+ b
->height
;
1795 if (crop
->c
.left
< b
->left
)
1796 crop
->c
.top
= b
->left
;
1797 if (crop
->c
.left
> b
->left
+ b
->width
)
1798 crop
->c
.top
= b
->left
+ b
->width
;
1799 if (crop
->c
.width
> b
->left
- crop
->c
.left
+ b
->width
)
1800 crop
->c
.width
= b
->left
- crop
->c
.left
+ b
->width
;
1802 dev
->crop_current
= crop
->c
;
1806 /* --- tuner ioctls ------------------------------------------ */
1807 case VIDIOC_G_TUNER
:
1809 struct v4l2_tuner
*t
= arg
;
1814 memset(t
,0,sizeof(*t
));
1815 for (n
= 0; n
< SAA7134_INPUT_MAX
; n
++)
1816 if (card_in(dev
,n
).tv
)
1818 if (NULL
!= card_in(dev
,n
).name
) {
1819 strcpy(t
->name
, "Television");
1820 t
->capability
= V4L2_TUNER_CAP_NORM
|
1821 V4L2_TUNER_CAP_STEREO
|
1822 V4L2_TUNER_CAP_LANG1
|
1823 V4L2_TUNER_CAP_LANG2
;
1824 t
->rangehigh
= 0xffffffffUL
;
1825 t
->rxsubchans
= saa7134_tvaudio_getstereo(dev
);
1826 t
->audmode
= saa7134_tvaudio_rx2mode(t
->rxsubchans
);
1828 if (0 != (saa_readb(SAA7134_STATUS_VIDEO1
) & 0x03))
1832 case VIDIOC_S_TUNER
:
1834 struct v4l2_tuner
*t
= arg
;
1837 mode
= dev
->thread
.mode
;
1838 if (UNSET
== mode
) {
1839 rx
= saa7134_tvaudio_getstereo(dev
);
1840 mode
= saa7134_tvaudio_rx2mode(t
->rxsubchans
);
1842 if (mode
!= t
->audmode
) {
1843 dev
->thread
.mode
= t
->audmode
;
1847 case VIDIOC_G_FREQUENCY
:
1849 struct v4l2_frequency
*f
= arg
;
1851 memset(f
,0,sizeof(*f
));
1852 f
->type
= fh
->radio
? V4L2_TUNER_RADIO
: V4L2_TUNER_ANALOG_TV
;
1853 f
->frequency
= dev
->ctl_freq
;
1856 case VIDIOC_S_FREQUENCY
:
1858 struct v4l2_frequency
*f
= arg
;
1862 if (0 == fh
->radio
&& V4L2_TUNER_ANALOG_TV
!= f
->type
)
1864 if (1 == fh
->radio
&& V4L2_TUNER_RADIO
!= f
->type
)
1867 dev
->ctl_freq
= f
->frequency
;
1869 saa7134_i2c_call_clients(dev
,VIDIOC_S_FREQUENCY
,f
);
1871 saa7134_tvaudio_do_scan(dev
);
1876 /* --- control ioctls ---------------------------------------- */
1877 case VIDIOC_ENUMINPUT
:
1878 case VIDIOC_G_INPUT
:
1879 case VIDIOC_S_INPUT
:
1880 case VIDIOC_QUERYCTRL
:
1883 return saa7134_common_ioctl(dev
, cmd
, arg
);
1885 case VIDIOC_G_AUDIO
:
1887 struct v4l2_audio
*a
= arg
;
1889 memset(a
,0,sizeof(*a
));
1890 strcpy(a
->name
,"audio");
1893 case VIDIOC_S_AUDIO
:
1897 struct v4l2_captureparm
*parm
= arg
;
1898 memset(parm
,0,sizeof(*parm
));
1902 case VIDIOC_G_PRIORITY
:
1904 enum v4l2_priority
*p
= arg
;
1906 *p
= v4l2_prio_max(&dev
->prio
);
1909 case VIDIOC_S_PRIORITY
:
1911 enum v4l2_priority
*prio
= arg
;
1913 return v4l2_prio_change(&dev
->prio
, &fh
->prio
, *prio
);
1916 /* --- preview ioctls ---------------------------------------- */
1917 case VIDIOC_ENUM_FMT
:
1919 struct v4l2_fmtdesc
*f
= arg
;
1920 enum v4l2_buf_type type
;
1926 case V4L2_BUF_TYPE_VIDEO_CAPTURE
:
1927 case V4L2_BUF_TYPE_VIDEO_OVERLAY
:
1928 if (index
>= FORMATS
)
1930 if (f
->type
== V4L2_BUF_TYPE_VIDEO_OVERLAY
&&
1931 formats
[index
].planar
)
1933 memset(f
,0,sizeof(*f
));
1936 strlcpy(f
->description
,formats
[index
].name
,sizeof(f
->description
));
1937 f
->pixelformat
= formats
[index
].fourcc
;
1939 case V4L2_BUF_TYPE_VBI_CAPTURE
:
1942 memset(f
,0,sizeof(*f
));
1945 f
->pixelformat
= V4L2_PIX_FMT_GREY
;
1946 strcpy(f
->description
,"vbi data");
1955 struct v4l2_framebuffer
*fb
= arg
;
1958 fb
->capability
= V4L2_FBUF_CAP_LIST_CLIPPING
;
1963 struct v4l2_framebuffer
*fb
= arg
;
1964 struct saa7134_format
*fmt
;
1966 if(!capable(CAP_SYS_ADMIN
) &&
1967 !capable(CAP_SYS_RAWIO
))
1971 fmt
= format_by_fourcc(fb
->fmt
.pixelformat
);
1978 if (0 == dev
->ovbuf
.fmt
.bytesperline
)
1979 dev
->ovbuf
.fmt
.bytesperline
=
1980 dev
->ovbuf
.fmt
.width
*fmt
->depth
/8;
1983 case VIDIOC_OVERLAY
:
1988 if (!res_get(dev
,fh
,RESOURCE_OVERLAY
))
1990 spin_lock_irqsave(&dev
->slock
,flags
);
1991 start_preview(dev
,fh
);
1992 spin_unlock_irqrestore(&dev
->slock
,flags
);
1995 if (!res_check(fh
, RESOURCE_OVERLAY
))
1997 spin_lock_irqsave(&dev
->slock
,flags
);
1998 stop_preview(dev
,fh
);
1999 spin_unlock_irqrestore(&dev
->slock
,flags
);
2000 res_free(dev
,fh
,RESOURCE_OVERLAY
);
2005 /* --- capture ioctls ---------------------------------------- */
2008 struct v4l2_format
*f
= arg
;
2009 return saa7134_g_fmt(dev
,fh
,f
);
2013 struct v4l2_format
*f
= arg
;
2014 return saa7134_s_fmt(dev
,fh
,f
);
2016 case VIDIOC_TRY_FMT
:
2018 struct v4l2_format
*f
= arg
;
2019 return saa7134_try_fmt(dev
,fh
,f
);
2024 struct video_mbuf
*mbuf
= arg
;
2025 struct videobuf_queue
*q
;
2026 struct v4l2_requestbuffers req
;
2029 q
= saa7134_queue(fh
);
2030 memset(&req
,0,sizeof(req
));
2032 req
.count
= gbuffers
;
2033 req
.memory
= V4L2_MEMORY_MMAP
;
2034 err
= videobuf_reqbufs(q
,&req
);
2037 memset(mbuf
,0,sizeof(*mbuf
));
2038 mbuf
->frames
= req
.count
;
2040 for (i
= 0; i
< mbuf
->frames
; i
++) {
2041 mbuf
->offsets
[i
] = q
->bufs
[i
]->boff
;
2042 mbuf
->size
+= q
->bufs
[i
]->bsize
;
2046 case VIDIOC_REQBUFS
:
2047 return videobuf_reqbufs(saa7134_queue(fh
),arg
);
2049 case VIDIOC_QUERYBUF
:
2050 return videobuf_querybuf(saa7134_queue(fh
),arg
);
2053 return videobuf_qbuf(saa7134_queue(fh
),arg
);
2056 return videobuf_dqbuf(saa7134_queue(fh
),arg
,
2057 file
->f_flags
& O_NONBLOCK
);
2059 case VIDIOC_STREAMON
:
2061 int res
= saa7134_resource(fh
);
2063 if (!res_get(dev
,fh
,res
))
2065 return videobuf_streamon(saa7134_queue(fh
));
2067 case VIDIOC_STREAMOFF
:
2069 int res
= saa7134_resource(fh
);
2071 err
= videobuf_streamoff(saa7134_queue(fh
));
2074 res_free(dev
,fh
,res
);
2079 return v4l_compat_translate_ioctl(inode
,file
,cmd
,arg
,
2085 static int video_ioctl(struct inode
*inode
, struct file
*file
,
2086 unsigned int cmd
, unsigned long arg
)
2088 return video_usercopy(inode
, file
, cmd
, arg
, video_do_ioctl
);
2091 static int radio_do_ioctl(struct inode
*inode
, struct file
*file
,
2092 unsigned int cmd
, void *arg
)
2094 struct saa7134_fh
*fh
= file
->private_data
;
2095 struct saa7134_dev
*dev
= fh
->dev
;
2097 if (video_debug
> 1)
2098 saa7134_print_ioctl(dev
->name
,cmd
);
2100 case VIDIOC_QUERYCAP
:
2102 struct v4l2_capability
*cap
= arg
;
2104 memset(cap
,0,sizeof(*cap
));
2105 strcpy(cap
->driver
, "saa7134");
2106 strlcpy(cap
->card
, saa7134_boards
[dev
->board
].name
,
2108 sprintf(cap
->bus_info
,"PCI:%s",pci_name(dev
->pci
));
2109 cap
->version
= SAA7134_VERSION_CODE
;
2110 cap
->capabilities
= V4L2_CAP_TUNER
;
2113 case VIDIOC_G_TUNER
:
2115 struct v4l2_tuner
*t
= arg
;
2120 memset(t
,0,sizeof(*t
));
2121 strcpy(t
->name
, "Radio");
2123 saa7134_i2c_call_clients(dev
, VIDIOC_G_TUNER
, t
);
2127 case VIDIOC_S_TUNER
:
2129 struct v4l2_tuner
*t
= arg
;
2134 saa7134_i2c_call_clients(dev
,VIDIOC_S_TUNER
,t
);
2138 case VIDIOC_ENUMINPUT
:
2140 struct v4l2_input
*i
= arg
;
2144 strcpy(i
->name
,"Radio");
2145 i
->type
= V4L2_INPUT_TYPE_TUNER
;
2148 case VIDIOC_G_INPUT
:
2154 case VIDIOC_G_AUDIO
:
2156 struct v4l2_audio
*a
= arg
;
2158 memset(a
,0,sizeof(*a
));
2159 strcpy(a
->name
,"Radio");
2164 v4l2_std_id
*id
= arg
;
2168 case VIDIOC_S_AUDIO
:
2169 case VIDIOC_S_INPUT
:
2173 case VIDIOC_QUERYCTRL
:
2175 const struct v4l2_queryctrl
*ctrl
;
2176 struct v4l2_queryctrl
*c
= arg
;
2178 if (c
->id
< V4L2_CID_BASE
||
2179 c
->id
>= V4L2_CID_LASTP1
)
2181 if (c
->id
== V4L2_CID_AUDIO_MUTE
) {
2182 ctrl
= ctrl_by_id(c
->id
);
2191 case VIDIOC_G_FREQUENCY
:
2192 case VIDIOC_S_FREQUENCY
:
2193 return video_do_ioctl(inode
,file
,cmd
,arg
);
2196 return v4l_compat_translate_ioctl(inode
,file
,cmd
,arg
,
2202 static int radio_ioctl(struct inode
*inode
, struct file
*file
,
2203 unsigned int cmd
, unsigned long arg
)
2205 return video_usercopy(inode
, file
, cmd
, arg
, radio_do_ioctl
);
2208 static struct file_operations video_fops
=
2210 .owner
= THIS_MODULE
,
2212 .release
= video_release
,
2216 .ioctl
= video_ioctl
,
2217 .llseek
= no_llseek
,
2220 static struct file_operations radio_fops
=
2222 .owner
= THIS_MODULE
,
2224 .release
= video_release
,
2225 .ioctl
= radio_ioctl
,
2226 .llseek
= no_llseek
,
2229 /* ----------------------------------------------------------- */
2230 /* exported stuff */
2232 struct video_device saa7134_video_template
=
2234 .name
= "saa7134-video",
2235 .type
= VID_TYPE_CAPTURE
|VID_TYPE_TUNER
|VID_TYPE_OVERLAY
|
2236 VID_TYPE_CLIPPING
|VID_TYPE_SCALES
,
2238 .fops
= &video_fops
,
2242 struct video_device saa7134_vbi_template
=
2244 .name
= "saa7134-vbi",
2245 .type
= VID_TYPE_TUNER
|VID_TYPE_TELETEXT
,
2247 .fops
= &video_fops
,
2251 struct video_device saa7134_radio_template
=
2253 .name
= "saa7134-radio",
2254 .type
= VID_TYPE_TUNER
,
2256 .fops
= &radio_fops
,
2260 int saa7134_video_init1(struct saa7134_dev
*dev
)
2262 /* sanitycheck insmod options */
2263 if (gbuffers
< 2 || gbuffers
> VIDEO_MAX_FRAME
)
2265 if (gbufsize
< 0 || gbufsize
> gbufsize_max
)
2266 gbufsize
= gbufsize_max
;
2267 gbufsize
= (gbufsize
+ PAGE_SIZE
- 1) & PAGE_MASK
;
2269 /* put some sensible defaults into the data structures ... */
2270 dev
->ctl_bright
= ctrl_by_id(V4L2_CID_BRIGHTNESS
)->default_value
;
2271 dev
->ctl_contrast
= ctrl_by_id(V4L2_CID_CONTRAST
)->default_value
;
2272 dev
->ctl_hue
= ctrl_by_id(V4L2_CID_HUE
)->default_value
;
2273 dev
->ctl_saturation
= ctrl_by_id(V4L2_CID_SATURATION
)->default_value
;
2274 dev
->ctl_volume
= ctrl_by_id(V4L2_CID_AUDIO_VOLUME
)->default_value
;
2275 dev
->ctl_mute
= 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value;
2276 dev
->ctl_invert
= ctrl_by_id(V4L2_CID_PRIVATE_INVERT
)->default_value
;
2277 dev
->ctl_automute
= ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE
)->default_value
;
2279 if (dev
->tda9887_conf
&& dev
->ctl_automute
)
2280 dev
->tda9887_conf
|= TDA9887_AUTOMUTE
;
2283 INIT_LIST_HEAD(&dev
->video_q
.queue
);
2284 init_timer(&dev
->video_q
.timeout
);
2285 dev
->video_q
.timeout
.function
= saa7134_buffer_timeout
;
2286 dev
->video_q
.timeout
.data
= (unsigned long)(&dev
->video_q
);
2287 dev
->video_q
.dev
= dev
;
2289 if (saa7134_boards
[dev
->board
].video_out
) {
2290 /* enable video output */
2291 int vo
= saa7134_boards
[dev
->board
].video_out
;
2292 saa_writeb(SAA7134_VIDEO_PORT_CTRL0
, video_out
[vo
][0]);
2293 saa_writeb(SAA7134_VIDEO_PORT_CTRL1
, video_out
[vo
][1]);
2294 saa_writeb(SAA7134_VIDEO_PORT_CTRL2
, video_out
[vo
][2]);
2295 saa_writeb(SAA7134_VIDEO_PORT_CTRL3
, video_out
[vo
][3]);
2296 saa_writeb(SAA7134_VIDEO_PORT_CTRL4
, video_out
[vo
][4]);
2297 saa_writeb(SAA7134_VIDEO_PORT_CTRL5
, video_out
[vo
][5]);
2298 saa_writeb(SAA7134_VIDEO_PORT_CTRL6
, video_out
[vo
][6]);
2299 saa_writeb(SAA7134_VIDEO_PORT_CTRL7
, video_out
[vo
][7]);
2300 saa_writeb(SAA7134_VIDEO_PORT_CTRL8
, video_out
[vo
][8]);
2306 int saa7134_video_init2(struct saa7134_dev
*dev
)
2309 set_tvnorm(dev
,&tvnorms
[0]);
2311 saa7134_tvaudio_setmute(dev
);
2312 saa7134_tvaudio_setvolume(dev
,dev
->ctl_volume
);
2316 int saa7134_video_fini(struct saa7134_dev
*dev
)
2322 void saa7134_irq_video_intl(struct saa7134_dev
*dev
)
2324 static const char *st
[] = {
2325 "(no signal)", "NTSC", "PAL", "SECAM" };
2328 st1
= saa_readb(SAA7134_STATUS_VIDEO1
);
2329 st2
= saa_readb(SAA7134_STATUS_VIDEO2
);
2330 dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n",
2331 (st1
& 0x40) ? "not locked" : "locked",
2332 (st2
& 0x40) ? "no" : "yes",
2334 dev
->nosignal
= (st1
& 0x40) || (st2
& 0x40);
2336 if (dev
->nosignal
) {
2337 /* no video signal -> mute audio */
2338 if (dev
->ctl_automute
)
2340 saa7134_tvaudio_setmute(dev
);
2341 saa_setb(SAA7134_SYNC_CTRL
, 0x20);
2343 /* wake up tvaudio audio carrier scan thread */
2344 saa7134_tvaudio_do_scan(dev
);
2346 saa_clearb(SAA7134_SYNC_CTRL
, 0x20);
2348 if (dev
->mops
&& dev
->mops
->signal_change
)
2349 dev
->mops
->signal_change(dev
);
2352 void saa7134_irq_video_done(struct saa7134_dev
*dev
, unsigned long status
)
2354 enum v4l2_field field
;
2356 spin_lock(&dev
->slock
);
2357 if (dev
->video_q
.curr
) {
2358 dev
->video_fieldcount
++;
2359 field
= dev
->video_q
.curr
->vb
.field
;
2360 if (V4L2_FIELD_HAS_BOTH(field
)) {
2361 /* make sure we have seen both fields */
2362 if ((status
& 0x10) == 0x00) {
2363 dev
->video_q
.curr
->top_seen
= 1;
2366 if (!dev
->video_q
.curr
->top_seen
)
2368 } else if (field
== V4L2_FIELD_TOP
) {
2369 if ((status
& 0x10) != 0x10)
2371 } else if (field
== V4L2_FIELD_BOTTOM
) {
2372 if ((status
& 0x10) != 0x00)
2375 dev
->video_q
.curr
->vb
.field_count
= dev
->video_fieldcount
;
2376 saa7134_buffer_finish(dev
,&dev
->video_q
,STATE_DONE
);
2378 saa7134_buffer_next(dev
,&dev
->video_q
);
2381 spin_unlock(&dev
->slock
);
2384 /* ----------------------------------------------------------- */