Linux 2.6.34-rc3
[pohmelfs.git] / drivers / media / video / pvrusb2 / pvrusb2-cs53l32a.c
blob68980e19409f8f4a053388530b2c03d8d9e05e8c
1 /*
4 * Copyright (C) 2005 Mike Isely <isely@pobox.com>
5 * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
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
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.
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
24 This source file is specifically designed to interface with the
25 v4l-dvb cs53l32a module.
29 #include "pvrusb2-cs53l32a.h"
32 #include "pvrusb2-hdw-internal.h"
33 #include "pvrusb2-debug.h"
34 #include <linux/videodev2.h>
35 #include <media/v4l2-common.h>
36 #include <linux/errno.h>
37 #include <linux/slab.h>
39 struct routing_scheme {
40 const int *def;
41 unsigned int cnt;
45 static const int routing_scheme1[] = {
46 [PVR2_CVAL_INPUT_TV] = 2, /* 1 or 2 seems to work here */
47 [PVR2_CVAL_INPUT_RADIO] = 2,
48 [PVR2_CVAL_INPUT_COMPOSITE] = 0,
49 [PVR2_CVAL_INPUT_SVIDEO] = 0,
52 static const struct routing_scheme routing_def1 = {
53 .def = routing_scheme1,
54 .cnt = ARRAY_SIZE(routing_scheme1),
57 static const struct routing_scheme *routing_schemes[] = {
58 [PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1,
62 void pvr2_cs53l32a_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
64 if (hdw->input_dirty || hdw->force_dirty) {
65 const struct routing_scheme *sp;
66 unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
67 u32 input;
68 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)",
69 hdw->input_val);
70 sp = (sid < ARRAY_SIZE(routing_schemes)) ?
71 routing_schemes[sid] : NULL;
72 if ((sp == NULL) ||
73 (hdw->input_val < 0) ||
74 (hdw->input_val >= sp->cnt)) {
75 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
76 "*** WARNING *** subdev v4l2 set_input:"
77 " Invalid routing scheme (%u)"
78 " and/or input (%d)",
79 sid, hdw->input_val);
80 return;
82 input = sp->def[hdw->input_val];
83 sd->ops->audio->s_routing(sd, input, 0, 0);
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: ***