ccf2a3c7ad068ac218e75f1c6235c187028555fe
[linux-2.6.git] / drivers / media / video / pvrusb2 / pvrusb2-audio.c
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
30 struct routing_scheme {
31         const int *def;
32         unsigned int cnt;
33 };
34
35 static 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
51 static const struct routing_scheme routing_schemes[] = {
52         [PVR2_ROUTING_SCHEME_HAUPPAUGE] = {
53                 .def = routing_scheme0,
54                 .cnt = ARRAY_SIZE(routing_scheme0),
55         },
56 };
57
58 void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
59 {
60         if (hdw->input_dirty || hdw->force_dirty) {
61                 struct v4l2_routing route;
62                 const struct routing_scheme *sp;
63                 unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
64
65                 pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo");
66
67                 if ((sid < ARRAY_SIZE(routing_schemes)) &&
68                     ((sp = routing_schemes + sid) != NULL) &&
69                     (hdw->input_val >= 0) &&
70                     (hdw->input_val < sp->cnt)) {
71                         route.input = sp->def[hdw->input_val];
72                 } else {
73                         pvr2_trace(PVR2_TRACE_ERROR_LEGS,
74                                    "*** WARNING *** subdev msp3400 set_input:"
75                                    " Invalid routing scheme (%u)"
76                                    " and/or input (%d)",
77                                    sid, hdw->input_val);
78                         return;
79                 }
80                 route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
81                 sd->ops->audio->s_routing(sd, &route);
82         }
83 }
84
85 /*
86   Stuff for Emacs to see, in order to encourage consistent editing style:
87   *** Local Variables: ***
88   *** mode: c ***
89   *** fill-column: 70 ***
90   *** tab-width: 8 ***
91   *** c-basic-offset: 8 ***
92   *** End: ***
93   */