mirror of https://gitee.com/openkylin/linux.git
155 lines
4.2 KiB
C
155 lines
4.2 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
|
|
cx2584x, in kernels 2.6.16 or newer.
|
|
|
|
*/
|
|
|
|
#include "pvrusb2-cx2584x-v4l.h"
|
|
#include "pvrusb2-video-v4l.h"
|
|
|
|
|
|
#include "pvrusb2-hdw-internal.h"
|
|
#include "pvrusb2-debug.h"
|
|
#include <media/drv-intf/cx25840.h>
|
|
#include <linux/videodev2.h>
|
|
#include <media/v4l2-common.h>
|
|
#include <linux/errno.h>
|
|
|
|
|
|
struct routing_scheme_item {
|
|
int vid;
|
|
int aud;
|
|
};
|
|
|
|
struct routing_scheme {
|
|
const struct routing_scheme_item *def;
|
|
unsigned int cnt;
|
|
};
|
|
|
|
static const struct routing_scheme_item routing_scheme0[] = {
|
|
[PVR2_CVAL_INPUT_TV] = {
|
|
.vid = CX25840_COMPOSITE7,
|
|
.aud = CX25840_AUDIO8,
|
|
},
|
|
[PVR2_CVAL_INPUT_RADIO] = { /* Treat the same as composite */
|
|
.vid = CX25840_COMPOSITE3,
|
|
.aud = CX25840_AUDIO_SERIAL,
|
|
},
|
|
[PVR2_CVAL_INPUT_COMPOSITE] = {
|
|
.vid = CX25840_COMPOSITE3,
|
|
.aud = CX25840_AUDIO_SERIAL,
|
|
},
|
|
[PVR2_CVAL_INPUT_SVIDEO] = {
|
|
.vid = CX25840_SVIDEO1,
|
|
.aud = CX25840_AUDIO_SERIAL,
|
|
},
|
|
};
|
|
|
|
static const struct routing_scheme routing_def0 = {
|
|
.def = routing_scheme0,
|
|
.cnt = ARRAY_SIZE(routing_scheme0),
|
|
};
|
|
|
|
/* Specific to gotview device */
|
|
static const struct routing_scheme_item routing_schemegv[] = {
|
|
[PVR2_CVAL_INPUT_TV] = {
|
|
.vid = CX25840_COMPOSITE2,
|
|
.aud = CX25840_AUDIO5,
|
|
},
|
|
[PVR2_CVAL_INPUT_RADIO] = {
|
|
/* line-in is used for radio and composite. A GPIO is
|
|
used to switch between the two choices. */
|
|
.vid = CX25840_COMPOSITE1,
|
|
.aud = CX25840_AUDIO_SERIAL,
|
|
},
|
|
[PVR2_CVAL_INPUT_COMPOSITE] = {
|
|
.vid = CX25840_COMPOSITE1,
|
|
.aud = CX25840_AUDIO_SERIAL,
|
|
},
|
|
[PVR2_CVAL_INPUT_SVIDEO] = {
|
|
.vid = (CX25840_SVIDEO_LUMA3|CX25840_SVIDEO_CHROMA4),
|
|
.aud = CX25840_AUDIO_SERIAL,
|
|
},
|
|
};
|
|
|
|
static const struct routing_scheme routing_defgv = {
|
|
.def = routing_schemegv,
|
|
.cnt = ARRAY_SIZE(routing_schemegv),
|
|
};
|
|
|
|
/* Specific to grabster av400 device */
|
|
static const struct routing_scheme_item routing_schemeav400[] = {
|
|
[PVR2_CVAL_INPUT_COMPOSITE] = {
|
|
.vid = CX25840_COMPOSITE1,
|
|
.aud = CX25840_AUDIO_SERIAL,
|
|
},
|
|
[PVR2_CVAL_INPUT_SVIDEO] = {
|
|
.vid = (CX25840_SVIDEO_LUMA2|CX25840_SVIDEO_CHROMA4),
|
|
.aud = CX25840_AUDIO_SERIAL,
|
|
},
|
|
};
|
|
|
|
static const struct routing_scheme routing_defav400 = {
|
|
.def = routing_schemeav400,
|
|
.cnt = ARRAY_SIZE(routing_schemeav400),
|
|
};
|
|
|
|
static const struct routing_scheme *routing_schemes[] = {
|
|
[PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
|
|
[PVR2_ROUTING_SCHEME_GOTVIEW] = &routing_defgv,
|
|
[PVR2_ROUTING_SCHEME_AV400] = &routing_defav400,
|
|
};
|
|
|
|
void pvr2_cx25840_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
|
|
{
|
|
pvr2_trace(PVR2_TRACE_CHIPS, "subdev cx2584x update...");
|
|
if (hdw->input_dirty || hdw->force_dirty) {
|
|
enum cx25840_video_input vid_input;
|
|
enum cx25840_audio_input aud_input;
|
|
const struct routing_scheme *sp;
|
|
unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
|
|
|
|
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 cx2584x set_input:"
|
|
" Invalid routing scheme (%u)"
|
|
" and/or input (%d)",
|
|
sid, hdw->input_val);
|
|
return;
|
|
}
|
|
vid_input = sp->def[hdw->input_val].vid;
|
|
aud_input = sp->def[hdw->input_val].aud;
|
|
pvr2_trace(PVR2_TRACE_CHIPS,
|
|
"subdev cx2584x set_input vid=0x%x aud=0x%x",
|
|
vid_input, aud_input);
|
|
sd->ops->video->s_routing(sd, (u32)vid_input, 0, 0);
|
|
sd->ops->audio->s_routing(sd, (u32)aud_input, 0, 0);
|
|
}
|
|
}
|