Commit | Line | Data |
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d855497e MI |
1 | /* |
2 | * | |
d855497e MI |
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 | /* | |
23 | ||
24 | This source file is specifically designed to interface with the | |
25 | saa711x support that is available in the v4l available starting | |
26 | with linux 2.6.15. | |
27 | ||
28 | */ | |
29 | ||
30 | #include "pvrusb2-video-v4l.h" | |
d855497e MI |
31 | |
32 | ||
6f956512 | 33 | |
d855497e MI |
34 | #include "pvrusb2-hdw-internal.h" |
35 | #include "pvrusb2-debug.h" | |
36 | #include <linux/videodev2.h> | |
37 | #include <media/v4l2-common.h> | |
38 | #include <media/saa7115.h> | |
39 | #include <linux/errno.h> | |
d855497e | 40 | |
f5174af2 MI |
41 | struct routing_scheme { |
42 | const int *def; | |
43 | unsigned int cnt; | |
44 | }; | |
45 | ||
46 | ||
47 | static const int routing_scheme0[] = { | |
48 | [PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4, | |
49 | /* In radio mode, we mute the video, but point at one | |
50 | spot just to stay consistent */ | |
51 | [PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5, | |
52 | [PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE5, | |
53 | [PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2, | |
54 | }; | |
55 | ||
81e804c9 MI |
56 | static const struct routing_scheme routing_def0 = { |
57 | .def = routing_scheme0, | |
58 | .cnt = ARRAY_SIZE(routing_scheme0), | |
59 | }; | |
60 | ||
2a6b627f MI |
61 | static const int routing_scheme1[] = { |
62 | [PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4, | |
63 | [PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5, | |
64 | [PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE3, | |
65 | [PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2, /* or SVIDEO0, it seems */ | |
66 | }; | |
67 | ||
81e804c9 MI |
68 | static const struct routing_scheme routing_def1 = { |
69 | .def = routing_scheme1, | |
70 | .cnt = ARRAY_SIZE(routing_scheme1), | |
71 | }; | |
72 | ||
73 | static const struct routing_scheme *routing_schemes[] = { | |
74 | [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0, | |
75 | [PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1, | |
f5174af2 MI |
76 | }; |
77 | ||
6f956512 MI |
78 | void pvr2_saa7115_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) |
79 | { | |
27764726 | 80 | if (hdw->input_dirty || hdw->force_dirty) { |
6f956512 MI |
81 | const struct routing_scheme *sp; |
82 | unsigned int sid = hdw->hdw_desc->signal_routing_scheme; | |
5325b427 HV |
83 | u32 input; |
84 | ||
6f956512 MI |
85 | pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)", |
86 | hdw->input_val); | |
90135c96 MI |
87 | |
88 | sp = (sid < ARRAY_SIZE(routing_schemes)) ? | |
89 | routing_schemes[sid] : NULL; | |
90 | if ((sp == NULL) || | |
91 | (hdw->input_val < 0) || | |
92 | (hdw->input_val >= sp->cnt)) { | |
6f956512 MI |
93 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, |
94 | "*** WARNING *** subdev v4l2 set_input:" | |
1e481cca MI |
95 | " Invalid routing scheme (%u)" |
96 | " and/or input (%d)", | |
6f956512 MI |
97 | sid, hdw->input_val); |
98 | return; | |
99 | } | |
90135c96 | 100 | input = sp->def[hdw->input_val]; |
5325b427 | 101 | sd->ops->video->s_routing(sd, input, 0, 0); |
6f956512 MI |
102 | } |
103 | } | |
d855497e MI |
104 | |
105 | ||
106 | /* | |
107 | Stuff for Emacs to see, in order to encourage consistent editing style: | |
108 | *** Local Variables: *** | |
109 | *** mode: c *** | |
110 | *** fill-column: 70 *** | |
111 | *** tab-width: 8 *** | |
112 | *** c-basic-offset: 8 *** | |
113 | *** End: *** | |
114 | */ |