69 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-only
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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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| 
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| /*
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| 
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|    This source file is specifically designed to interface with the
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|    v4l-dvb cs53l32a module.
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| 
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| */
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| 
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| #include "pvrusb2-cs53l32a.h"
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| 
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| 
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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/v4l2-common.h>
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| #include <linux/errno.h>
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| 
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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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| 
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| 
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| static const int routing_scheme1[] = {
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| 	[PVR2_CVAL_INPUT_TV] = 2,  /* 1 or 2 seems to work here */
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| 	[PVR2_CVAL_INPUT_RADIO] = 2,
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| 	[PVR2_CVAL_INPUT_COMPOSITE] = 0,
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| 	[PVR2_CVAL_INPUT_SVIDEO] =  0,
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| };
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| 
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| static const struct routing_scheme routing_def1 = {
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| 	.def = routing_scheme1,
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| 	.cnt = ARRAY_SIZE(routing_scheme1),
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| };
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| 
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| static const struct routing_scheme *routing_schemes[] = {
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| 	[PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1,
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| };
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| 
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| 
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| void pvr2_cs53l32a_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 v4l2 set_input(%d)",
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| 			   hdw->input_val);
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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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| 			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
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| 				   "*** WARNING *** subdev v4l2 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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| 		input = sp->def[hdw->input_val];
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| 		sd->ops->audio->s_routing(sd, input, 0, 0);
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| 	}
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| }
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