97 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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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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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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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/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:"
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				   " Invalid routing scheme (%u)"
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				   " 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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/*
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  Stuff for Emacs to see, in order to encourage consistent editing style:
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  *** Local Variables: ***
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  *** mode: c ***
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  *** fill-column: 70 ***
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  *** tab-width: 8 ***
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  *** c-basic-offset: 8 ***
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  *** End: ***
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  */
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