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 saa711x support that is available in the v4l available starting
30 #include "pvrusb2-video-v4l.h"
34 #include "pvrusb2-hdw-internal.h"
35 #include "pvrusb2-debug.h"
36 #include <linux/videodev2.h>
37 #include <media/v4l2-common.h>
38 #include <media/saa7115.h>
39 #include <linux/errno.h>
40 #include <linux/slab.h>
42 struct routing_scheme
{
48 static const int routing_scheme0
[] = {
49 [PVR2_CVAL_INPUT_TV
] = SAA7115_COMPOSITE4
,
50 /* In radio mode, we mute the video, but point at one
51 spot just to stay consistent */
52 [PVR2_CVAL_INPUT_RADIO
] = SAA7115_COMPOSITE5
,
53 [PVR2_CVAL_INPUT_COMPOSITE
] = SAA7115_COMPOSITE5
,
54 [PVR2_CVAL_INPUT_SVIDEO
] = SAA7115_SVIDEO2
,
57 static const int routing_scheme1
[] = {
58 [PVR2_CVAL_INPUT_TV
] = SAA7115_COMPOSITE4
,
59 [PVR2_CVAL_INPUT_RADIO
] = SAA7115_COMPOSITE5
,
60 [PVR2_CVAL_INPUT_COMPOSITE
] = SAA7115_COMPOSITE3
,
61 [PVR2_CVAL_INPUT_SVIDEO
] = SAA7115_SVIDEO2
, /* or SVIDEO0, it seems */
64 static const struct routing_scheme routing_schemes
[] = {
65 [PVR2_ROUTING_SCHEME_HAUPPAUGE
] = {
66 .def
= routing_scheme0
,
67 .cnt
= ARRAY_SIZE(routing_scheme0
),
69 [PVR2_ROUTING_SCHEME_ONAIR
] = {
70 .def
= routing_scheme1
,
71 .cnt
= ARRAY_SIZE(routing_scheme1
),
75 void pvr2_saa7115_subdev_update(struct pvr2_hdw
*hdw
, struct v4l2_subdev
*sd
)
77 if (hdw
->input_dirty
|| hdw
->force_dirty
) {
78 const struct routing_scheme
*sp
;
79 unsigned int sid
= hdw
->hdw_desc
->signal_routing_scheme
;
82 pvr2_trace(PVR2_TRACE_CHIPS
, "subdev v4l2 set_input(%d)",
84 if ((sid
< ARRAY_SIZE(routing_schemes
)) &&
85 ((sp
= routing_schemes
+ sid
) != NULL
) &&
86 (hdw
->input_val
>= 0) &&
87 (hdw
->input_val
< sp
->cnt
)) {
88 input
= sp
->def
[hdw
->input_val
];
90 pvr2_trace(PVR2_TRACE_ERROR_LEGS
,
91 "*** WARNING *** subdev v4l2 set_input:"
92 " Invalid routing scheme (%u)"
97 sd
->ops
->video
->s_routing(sd
, input
, 0, 0);
103 Stuff for Emacs to see, in order to encourage consistent editing style:
104 *** Local Variables: ***
106 *** fill-column: 70 ***
108 *** c-basic-offset: 8 ***