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 cx2584x, in kernels 2.6.16 or newer.
25 #include "pvrusb2-cx2584x-v4l.h"
28 #include "pvrusb2-hdw-internal.h"
29 #include "pvrusb2-debug.h"
30 #include <media/drv-intf/cx25840.h>
31 #include <linux/videodev2.h>
32 #include <media/v4l2-common.h>
33 #include <linux/errno.h>
36 struct routing_scheme_item
{
41 struct routing_scheme
{
42 const struct routing_scheme_item
*def
;
46 static const struct routing_scheme_item routing_scheme0
[] = {
47 [PVR2_CVAL_INPUT_TV
] = {
48 .vid
= CX25840_COMPOSITE7
,
49 .aud
= CX25840_AUDIO8
,
51 [PVR2_CVAL_INPUT_RADIO
] = { /* Treat the same as composite */
52 .vid
= CX25840_COMPOSITE3
,
53 .aud
= CX25840_AUDIO_SERIAL
,
55 [PVR2_CVAL_INPUT_COMPOSITE
] = {
56 .vid
= CX25840_COMPOSITE3
,
57 .aud
= CX25840_AUDIO_SERIAL
,
59 [PVR2_CVAL_INPUT_SVIDEO
] = {
60 .vid
= CX25840_SVIDEO1
,
61 .aud
= CX25840_AUDIO_SERIAL
,
65 static const struct routing_scheme routing_def0
= {
66 .def
= routing_scheme0
,
67 .cnt
= ARRAY_SIZE(routing_scheme0
),
70 /* Specific to gotview device */
71 static const struct routing_scheme_item routing_schemegv
[] = {
72 [PVR2_CVAL_INPUT_TV
] = {
73 .vid
= CX25840_COMPOSITE2
,
74 .aud
= CX25840_AUDIO5
,
76 [PVR2_CVAL_INPUT_RADIO
] = {
77 /* line-in is used for radio and composite. A GPIO is
78 used to switch between the two choices. */
79 .vid
= CX25840_COMPOSITE1
,
80 .aud
= CX25840_AUDIO_SERIAL
,
82 [PVR2_CVAL_INPUT_COMPOSITE
] = {
83 .vid
= CX25840_COMPOSITE1
,
84 .aud
= CX25840_AUDIO_SERIAL
,
86 [PVR2_CVAL_INPUT_SVIDEO
] = {
87 .vid
= (CX25840_SVIDEO_LUMA3
|CX25840_SVIDEO_CHROMA4
),
88 .aud
= CX25840_AUDIO_SERIAL
,
92 static const struct routing_scheme routing_defgv
= {
93 .def
= routing_schemegv
,
94 .cnt
= ARRAY_SIZE(routing_schemegv
),
97 /* Specific to grabster av400 device */
98 static const struct routing_scheme_item routing_schemeav400
[] = {
99 [PVR2_CVAL_INPUT_COMPOSITE
] = {
100 .vid
= CX25840_COMPOSITE1
,
101 .aud
= CX25840_AUDIO_SERIAL
,
103 [PVR2_CVAL_INPUT_SVIDEO
] = {
104 .vid
= (CX25840_SVIDEO_LUMA2
|CX25840_SVIDEO_CHROMA4
),
105 .aud
= CX25840_AUDIO_SERIAL
,
109 static const struct routing_scheme routing_defav400
= {
110 .def
= routing_schemeav400
,
111 .cnt
= ARRAY_SIZE(routing_schemeav400
),
114 static const struct routing_scheme
*routing_schemes
[] = {
115 [PVR2_ROUTING_SCHEME_HAUPPAUGE
] = &routing_def0
,
116 [PVR2_ROUTING_SCHEME_GOTVIEW
] = &routing_defgv
,
117 [PVR2_ROUTING_SCHEME_AV400
] = &routing_defav400
,
120 void pvr2_cx25840_subdev_update(struct pvr2_hdw
*hdw
, struct v4l2_subdev
*sd
)
122 pvr2_trace(PVR2_TRACE_CHIPS
, "subdev cx2584x update...");
123 if (hdw
->input_dirty
|| hdw
->force_dirty
) {
124 enum cx25840_video_input vid_input
;
125 enum cx25840_audio_input aud_input
;
126 const struct routing_scheme
*sp
;
127 unsigned int sid
= hdw
->hdw_desc
->signal_routing_scheme
;
129 sp
= (sid
< ARRAY_SIZE(routing_schemes
)) ?
130 routing_schemes
[sid
] : NULL
;
132 (hdw
->input_val
< 0) ||
133 (hdw
->input_val
>= sp
->cnt
)) {
134 pvr2_trace(PVR2_TRACE_ERROR_LEGS
,
135 "*** WARNING *** subdev cx2584x set_input: Invalid routing scheme (%u) and/or input (%d)",
136 sid
, hdw
->input_val
);
139 vid_input
= sp
->def
[hdw
->input_val
].vid
;
140 aud_input
= sp
->def
[hdw
->input_val
].aud
;
141 pvr2_trace(PVR2_TRACE_CHIPS
,
142 "subdev cx2584x set_input vid=0x%x aud=0x%x",
143 vid_input
, aud_input
);
144 sd
->ops
->video
->s_routing(sd
, (u32
)vid_input
, 0, 0);
145 sd
->ops
->audio
->s_routing(sd
, (u32
)aud_input
, 0, 0);