1/*
2 *
3 *
4 *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
5 *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
6 *
7 *  This program is free software; you can redistribute it and/or modify
8 *  it under the terms of the GNU General Public License as published by
9 *  the Free Software Foundation; either version 2 of the License
10 *
11 *  This program is distributed in the hope that it will be useful,
12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *  GNU General Public License for more details.
15 *
16 *  You should have received a copy of the GNU General Public License
17 *  along with this program; if not, write to the Free Software
18 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 *
20 */
21
22#include "pvrusb2-audio.h"
23#include "pvrusb2-hdw-internal.h"
24#include "pvrusb2-debug.h"
25#include <linux/videodev2.h>
26#include <media/msp3400.h>
27#include <media/v4l2-common.h>
28
29
30struct routing_scheme {
31	const int *def;
32	unsigned int cnt;
33};
34
35static const int routing_scheme0[] = {
36	[PVR2_CVAL_INPUT_TV]        = MSP_INPUT_DEFAULT,
37	[PVR2_CVAL_INPUT_RADIO]     = MSP_INPUT(MSP_IN_SCART2,
38						MSP_IN_TUNER1,
39						MSP_DSP_IN_SCART,
40						MSP_DSP_IN_SCART),
41	[PVR2_CVAL_INPUT_COMPOSITE] = MSP_INPUT(MSP_IN_SCART1,
42						MSP_IN_TUNER1,
43						MSP_DSP_IN_SCART,
44						MSP_DSP_IN_SCART),
45	[PVR2_CVAL_INPUT_SVIDEO]    = MSP_INPUT(MSP_IN_SCART1,
46						MSP_IN_TUNER1,
47						MSP_DSP_IN_SCART,
48						MSP_DSP_IN_SCART),
49};
50
51static const struct routing_scheme routing_def0 = {
52	.def = routing_scheme0,
53	.cnt = ARRAY_SIZE(routing_scheme0),
54};
55
56static const struct routing_scheme *routing_schemes[] = {
57	[PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
58};
59
60void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
61{
62	if (hdw->input_dirty || hdw->force_dirty) {
63		const struct routing_scheme *sp;
64		unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
65		u32 input;
66
67		pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo");
68		sp = (sid < ARRAY_SIZE(routing_schemes)) ?
69			routing_schemes[sid] : NULL;
70
71		if ((sp != NULL) &&
72		    (hdw->input_val >= 0) &&
73		    (hdw->input_val < sp->cnt)) {
74			input = sp->def[hdw->input_val];
75		} else {
76			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
77				   "*** WARNING *** subdev msp3400 set_input:"
78				   " Invalid routing scheme (%u)"
79				   " and/or input (%d)",
80				   sid, hdw->input_val);
81			return;
82		}
83		sd->ops->audio->s_routing(sd, input,
84			MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0);
85	}
86}
87