Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
[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_def0 = {
52         .def = routing_scheme0,
53         .cnt = ARRAY_SIZE(routing_scheme0),
54 };
55
56 static const struct routing_scheme *routing_schemes[] = {
57         [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
58 };
59
60 void 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
88 /*
89   Stuff for Emacs to see, in order to encourage consistent editing style:
90   *** Local Variables: ***
91   *** mode: c ***
92   *** fill-column: 70 ***
93   *** tab-width: 8 ***
94   *** c-basic-offset: 8 ***
95   *** End: ***
96   */