81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
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/*
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*
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*
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* Copyright (C) 2005 Mike Isely <isely@pobox.com>
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* Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include "pvrusb2-audio.h"
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#include "pvrusb2-hdw-internal.h"
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#include "pvrusb2-debug.h"
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#include <linux/videodev2.h>
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#include <media/drv-intf/msp3400.h>
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#include <media/v4l2-common.h>
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struct routing_scheme {
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const int *def;
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unsigned int cnt;
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};
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static const int routing_scheme0[] = {
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[PVR2_CVAL_INPUT_TV] = MSP_INPUT_DEFAULT,
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[PVR2_CVAL_INPUT_RADIO] = MSP_INPUT(MSP_IN_SCART2,
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MSP_IN_TUNER1,
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MSP_DSP_IN_SCART,
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MSP_DSP_IN_SCART),
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[PVR2_CVAL_INPUT_COMPOSITE] = MSP_INPUT(MSP_IN_SCART1,
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MSP_IN_TUNER1,
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MSP_DSP_IN_SCART,
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MSP_DSP_IN_SCART),
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[PVR2_CVAL_INPUT_SVIDEO] = MSP_INPUT(MSP_IN_SCART1,
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MSP_IN_TUNER1,
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MSP_DSP_IN_SCART,
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MSP_DSP_IN_SCART),
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};
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static const struct routing_scheme routing_def0 = {
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.def = routing_scheme0,
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.cnt = ARRAY_SIZE(routing_scheme0),
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};
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static const struct routing_scheme *routing_schemes[] = {
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[PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
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};
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void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
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{
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if (hdw->input_dirty || hdw->force_dirty) {
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const struct routing_scheme *sp;
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unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
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u32 input;
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pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo");
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sp = (sid < ARRAY_SIZE(routing_schemes)) ?
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routing_schemes[sid] : NULL;
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if ((sp != NULL) &&
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(hdw->input_val >= 0) &&
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(hdw->input_val < sp->cnt)) {
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input = sp->def[hdw->input_val];
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} else {
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pvr2_trace(PVR2_TRACE_ERROR_LEGS,
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"*** WARNING *** subdev msp3400 set_input: Invalid routing scheme (%u) and/or input (%d)",
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sid, hdw->input_val);
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return;
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}
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sd->ops->audio->s_routing(sd, input,
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MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0);
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}
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}
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