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2a6b627f MI |
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 | * | |
2a6b627f MI |
16 | */ |
17 | ||
18 | /* | |
19 | ||
20 | This source file is specifically designed to interface with the | |
21 | v4l-dvb cs53l32a module. | |
22 | ||
23 | */ | |
24 | ||
25 | #include "pvrusb2-cs53l32a.h" | |
26 | ||
27 | ||
28 | #include "pvrusb2-hdw-internal.h" | |
29 | #include "pvrusb2-debug.h" | |
30 | #include <linux/videodev2.h> | |
31 | #include <media/v4l2-common.h> | |
32 | #include <linux/errno.h> | |
2a6b627f MI |
33 | |
34 | struct routing_scheme { | |
35 | const int *def; | |
36 | unsigned int cnt; | |
37 | }; | |
38 | ||
39 | ||
40 | static const int routing_scheme1[] = { | |
41 | [PVR2_CVAL_INPUT_TV] = 2, /* 1 or 2 seems to work here */ | |
42 | [PVR2_CVAL_INPUT_RADIO] = 2, | |
43 | [PVR2_CVAL_INPUT_COMPOSITE] = 0, | |
44 | [PVR2_CVAL_INPUT_SVIDEO] = 0, | |
45 | }; | |
46 | ||
81e804c9 MI |
47 | static const struct routing_scheme routing_def1 = { |
48 | .def = routing_scheme1, | |
49 | .cnt = ARRAY_SIZE(routing_scheme1), | |
50 | }; | |
51 | ||
52 | static const struct routing_scheme *routing_schemes[] = { | |
53 | [PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1, | |
2a6b627f MI |
54 | }; |
55 | ||
56 | ||
57 | void pvr2_cs53l32a_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) | |
58 | { | |
59 | if (hdw->input_dirty || hdw->force_dirty) { | |
2a6b627f MI |
60 | const struct routing_scheme *sp; |
61 | unsigned int sid = hdw->hdw_desc->signal_routing_scheme; | |
5325b427 | 62 | u32 input; |
2a6b627f MI |
63 | pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)", |
64 | hdw->input_val); | |
90135c96 MI |
65 | sp = (sid < ARRAY_SIZE(routing_schemes)) ? |
66 | routing_schemes[sid] : NULL; | |
67 | if ((sp == NULL) || | |
68 | (hdw->input_val < 0) || | |
69 | (hdw->input_val >= sp->cnt)) { | |
2a6b627f | 70 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, |
96292c89 | 71 | "*** WARNING *** subdev v4l2 set_input: Invalid routing scheme (%u) and/or input (%d)", |
2a6b627f MI |
72 | sid, hdw->input_val); |
73 | return; | |
74 | } | |
90135c96 | 75 | input = sp->def[hdw->input_val]; |
5325b427 | 76 | sd->ops->audio->s_routing(sd, input, 0, 0); |
2a6b627f MI |
77 | } |
78 | } |