/*
*
*
* 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.
*
*/
/*
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);
}
}
