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 */
17
18 #include "pvrusb2-audio.h"
19 #include "pvrusb2-hdw-internal.h"
20 #include "pvrusb2-debug.h"
21 #include <linux/videodev2.h>
22 #include <media/drv-intf/msp3400.h>
23 #include <media/v4l2-common.h>
24
25
26 struct routing_scheme {
27 const int *def;
28 unsigned int cnt;
29 };
30
31 static const int routing_scheme0[] = {
32 [PVR2_CVAL_INPUT_TV] = MSP_INPUT_DEFAULT,
33 [PVR2_CVAL_INPUT_RADIO] = MSP_INPUT(MSP_IN_SCART2,
34 MSP_IN_TUNER1,
35 MSP_DSP_IN_SCART,
36 MSP_DSP_IN_SCART),
37 [PVR2_CVAL_INPUT_COMPOSITE] = MSP_INPUT(MSP_IN_SCART1,
38 MSP_IN_TUNER1,
39 MSP_DSP_IN_SCART,
40 MSP_DSP_IN_SCART),
41 [PVR2_CVAL_INPUT_SVIDEO] = MSP_INPUT(MSP_IN_SCART1,
42 MSP_IN_TUNER1,
43 MSP_DSP_IN_SCART,
44 MSP_DSP_IN_SCART),
45 };
46
47 static const struct routing_scheme routing_def0 = {
48 .def = routing_scheme0,
49 .cnt = ARRAY_SIZE(routing_scheme0),
50 };
51
52 static const struct routing_scheme *routing_schemes[] = {
53 [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
54 };
55
pvr2_msp3400_subdev_update(struct pvr2_hdw * hdw,struct v4l2_subdev * sd)56 void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
57 {
58 if (hdw->input_dirty || hdw->force_dirty) {
59 const struct routing_scheme *sp;
60 unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
61 u32 input;
62
63 pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo");
64 sp = (sid < ARRAY_SIZE(routing_schemes)) ?
65 routing_schemes[sid] : NULL;
66
67 if ((sp != NULL) &&
68 (hdw->input_val >= 0) &&
69 (hdw->input_val < sp->cnt)) {
70 input = sp->def[hdw->input_val];
71 } else {
72 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
73 "*** WARNING *** subdev msp3400 set_input: Invalid routing scheme (%u) and/or input (%d)",
74 sid, hdw->input_val);
75 return;
76 }
77 sd->ops->audio->s_routing(sd, input,
78 MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0);
79 }
80 }
81
