1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/*
*
*
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
* Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*
This source file is specifically designed to interface with the
saa711x support that is available in the v4l available starting
with linux 2.6.15.
*/
#include "pvrusb2-video-v4l.h"
#include "pvrusb2-hdw-internal.h"
#include "pvrusb2-debug.h"
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <media/saa7115.h>
#include <linux/errno.h>
#include <linux/slab.h>
struct routing_scheme {
const int *def;
unsigned int cnt;
};
static const int routing_scheme0[] = {
[PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4,
/* In radio mode, we mute the video, but point at one
spot just to stay consistent */
[PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5,
[PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE5,
[PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2,
};
static const int routing_scheme1[] = {
[PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4,
[PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5,
[PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE3,
[PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2, /* or SVIDEO0, it seems */
};
static const struct routing_scheme routing_schemes[] = {
[PVR2_ROUTING_SCHEME_HAUPPAUGE] = {
.def = routing_scheme0,
.cnt = ARRAY_SIZE(routing_scheme0),
},
[PVR2_ROUTING_SCHEME_ONAIR] = {
.def = routing_scheme1,
.cnt = ARRAY_SIZE(routing_scheme1),
},
};
void pvr2_saa7115_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
{
if (hdw->input_dirty || hdw->force_dirty) {
struct v4l2_routing route;
const struct routing_scheme *sp;
unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)",
hdw->input_val);
if ((sid < ARRAY_SIZE(routing_schemes)) &&
((sp = routing_schemes + sid) != NULL) &&
(hdw->input_val >= 0) &&
(hdw->input_val < sp->cnt)) {
route.input = sp->def[hdw->input_val];
} else {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"*** WARNING *** subdev v4l2 set_input:"
" Invalid routing scheme (%u)"
" and/or input (%d)",
sid, hdw->input_val);
return;
}
route.output = 0;
sd->ops->video->s_routing(sd, &route);
}
}
/*
Stuff for Emacs to see, in order to encourage consistent editing style:
*** Local Variables: ***
*** mode: c ***
*** fill-column: 70 ***
*** tab-width: 8 ***
*** c-basic-offset: 8 ***
*** End: ***
*/
|
