mirror of https://gitee.com/openkylin/linux.git
104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/*
|
|
*
|
|
*
|
|
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
|
|
* Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
/*
|
|
|
|
This source file is specifically designed to interface with the
|
|
saa711x support that is available in the v4l available starting
|
|
with linux 2.6.15.
|
|
|
|
*/
|
|
|
|
#include "pvrusb2-video-v4l.h"
|
|
|
|
|
|
|
|
#include "pvrusb2-hdw-internal.h"
|
|
#include "pvrusb2-debug.h"
|
|
#include <linux/videodev2.h>
|
|
#include <media/v4l2-common.h>
|
|
#include <media/i2c/saa7115.h>
|
|
#include <linux/errno.h>
|
|
|
|
struct routing_scheme {
|
|
const int *def;
|
|
unsigned int cnt;
|
|
};
|
|
|
|
|
|
static const int routing_scheme0[] = {
|
|
[PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4,
|
|
/* In radio mode, we mute the video, but point at one
|
|
spot just to stay consistent */
|
|
[PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5,
|
|
[PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE5,
|
|
[PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2,
|
|
};
|
|
|
|
static const struct routing_scheme routing_def0 = {
|
|
.def = routing_scheme0,
|
|
.cnt = ARRAY_SIZE(routing_scheme0),
|
|
};
|
|
|
|
static const int routing_scheme1[] = {
|
|
[PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4,
|
|
[PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5,
|
|
[PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE3,
|
|
[PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2, /* or SVIDEO0, it seems */
|
|
};
|
|
|
|
static const struct routing_scheme routing_def1 = {
|
|
.def = routing_scheme1,
|
|
.cnt = ARRAY_SIZE(routing_scheme1),
|
|
};
|
|
|
|
static const struct routing_scheme *routing_schemes[] = {
|
|
[PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
|
|
[PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1,
|
|
};
|
|
|
|
void pvr2_saa7115_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
|
|
{
|
|
if (hdw->input_dirty || hdw->force_dirty) {
|
|
const struct routing_scheme *sp;
|
|
unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
|
|
u32 input;
|
|
|
|
pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)",
|
|
hdw->input_val);
|
|
|
|
sp = (sid < ARRAY_SIZE(routing_schemes)) ?
|
|
routing_schemes[sid] : NULL;
|
|
if ((sp == NULL) ||
|
|
(hdw->input_val < 0) ||
|
|
(hdw->input_val >= sp->cnt)) {
|
|
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
|
|
"*** WARNING *** subdev v4l2 set_input:"
|
|
" Invalid routing scheme (%u)"
|
|
" and/or input (%d)",
|
|
sid, hdw->input_val);
|
|
return;
|
|
}
|
|
input = sp->def[hdw->input_val];
|
|
sd->ops->video->s_routing(sd, input, 0, 0);
|
|
}
|
|
}
|