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.
20 This source file is specifically designed to interface with the
21 saa711x support that is available in the v4l available starting
26 #include "pvrusb2-video-v4l.h"
30 #include "pvrusb2-hdw-internal.h"
31 #include "pvrusb2-debug.h"
32 #include <linux/videodev2.h>
33 #include <media/v4l2-common.h>
34 #include <media/i2c/saa7115.h>
35 #include <linux/errno.h>
37 struct routing_scheme {
43 static const int routing_scheme0[] = {
44 [PVR2_CVAL_INPUT_TV] = SAA7115_COMPOSITE4,
45 /* In radio mode, we mute the video, but point at one
46 spot just to stay consistent */
47 [PVR2_CVAL_INPUT_RADIO] = SAA7115_COMPOSITE5,
48 [PVR2_CVAL_INPUT_COMPOSITE] = SAA7115_COMPOSITE5,
49 [PVR2_CVAL_INPUT_SVIDEO] = SAA7115_SVIDEO2,
52 static const struct routing_scheme routing_def0 = {
53 .def = routing_scheme0,
54 .cnt = ARRAY_SIZE(routing_scheme0),
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_def1 = {
65 .def = routing_scheme1,
66 .cnt = ARRAY_SIZE(routing_scheme1),
69 static const struct routing_scheme *routing_schemes[] = {
70 [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
71 [PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1,
74 void pvr2_saa7115_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
76 if (hdw->input_dirty || hdw->force_dirty) {
77 const struct routing_scheme *sp;
78 unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
81 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)",
84 sp = (sid < ARRAY_SIZE(routing_schemes)) ?
85 routing_schemes[sid] : NULL;
87 (hdw->input_val < 0) ||
88 (hdw->input_val >= sp->cnt)) {
89 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
90 "*** WARNING *** subdev v4l2 set_input: Invalid routing scheme (%u) and/or input (%d)",
94 input = sp->def[hdw->input_val];
95 sd->ops->video->s_routing(sd, input, 0, 0);