[media] b2c2: fix driver's build due to the lack of pci DMA code
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / pvrusb2 / pvrusb2-audio.c
CommitLineData
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#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
6063a442 29
f5174af2
MI
30struct routing_scheme {
31 const int *def;
32 unsigned int cnt;
33};
34
35static 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
81e804c9
MI
51static const struct routing_scheme routing_def0 = {
52 .def = routing_scheme0,
53 .cnt = ARRAY_SIZE(routing_scheme0),
54};
55
56static const struct routing_scheme *routing_schemes[] = {
57 [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
f5174af2
MI
58};
59
76891d65
MI
60void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
61{
27764726 62 if (hdw->input_dirty || hdw->force_dirty) {
76891d65
MI
63 const struct routing_scheme *sp;
64 unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
5325b427 65 u32 input;
76891d65
MI
66
67 pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo");
f19b56a8
HV
68 sp = (sid < ARRAY_SIZE(routing_schemes)) ?
69 routing_schemes[sid] : NULL;
76891d65 70
f19b56a8 71 if ((sp != NULL) &&
76891d65
MI
72 (hdw->input_val >= 0) &&
73 (hdw->input_val < sp->cnt)) {
5325b427 74 input = sp->def[hdw->input_val];
76891d65
MI
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 }
5325b427
HV
83 sd->ops->audio->s_routing(sd, input,
84 MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0);
76891d65
MI
85 }
86}
acd92d40 87
d855497e
MI
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 */