diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-video.c')
-rw-r--r-- | drivers/media/video/ivtv/ivtv-video.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/drivers/media/video/ivtv/ivtv-video.c b/drivers/media/video/ivtv/ivtv-video.c new file mode 100644 index 00000000000..77e42d13cde --- /dev/null +++ b/drivers/media/video/ivtv/ivtv-video.c | |||
@@ -0,0 +1,150 @@ | |||
1 | /* | ||
2 | saa7127 interface functions | ||
3 | Copyright (C) 2004-2007 Hans Verkuil <hverkuil@xs4all.nl> | ||
4 | |||
5 | This program is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU General Public License as published by | ||
7 | the Free Software Foundation; either version 2 of the License, or | ||
8 | (at your option) any later version. | ||
9 | |||
10 | This program is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | GNU General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with this program; if not, write to the Free Software | ||
17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
18 | */ | ||
19 | |||
20 | #include "ivtv-driver.h" | ||
21 | #include "ivtv-video.h" | ||
22 | #include "ivtv-i2c.h" | ||
23 | #include "ivtv-gpio.h" | ||
24 | #include "ivtv-cards.h" | ||
25 | #include <media/upd64031a.h> | ||
26 | #include <media/upd64083.h> | ||
27 | |||
28 | void ivtv_set_vps(struct ivtv *itv, int enabled, u8 vps1, u8 vps2, u8 vps3, | ||
29 | u8 vps4, u8 vps5) | ||
30 | { | ||
31 | struct v4l2_sliced_vbi_data data; | ||
32 | |||
33 | if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) | ||
34 | return; | ||
35 | data.id = V4L2_SLICED_VPS; | ||
36 | data.field = 0; | ||
37 | data.line = enabled ? 16 : 0; | ||
38 | data.data[4] = vps1; | ||
39 | data.data[10] = vps2; | ||
40 | data.data[11] = vps3; | ||
41 | data.data[12] = vps4; | ||
42 | data.data[13] = vps5; | ||
43 | ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data); | ||
44 | } | ||
45 | |||
46 | void ivtv_set_cc(struct ivtv *itv, int mode, u8 cc1, u8 cc2, u8 cc3, u8 cc4) | ||
47 | { | ||
48 | struct v4l2_sliced_vbi_data data; | ||
49 | |||
50 | if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) | ||
51 | return; | ||
52 | data.id = V4L2_SLICED_CAPTION_525; | ||
53 | data.field = 0; | ||
54 | data.line = (mode & 1) ? 21 : 0; | ||
55 | data.data[0] = cc1; | ||
56 | data.data[1] = cc2; | ||
57 | ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data); | ||
58 | data.field = 1; | ||
59 | data.line = (mode & 2) ? 21 : 0; | ||
60 | data.data[0] = cc3; | ||
61 | data.data[1] = cc4; | ||
62 | ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data); | ||
63 | } | ||
64 | |||
65 | void ivtv_set_wss(struct ivtv *itv, int enabled, int mode) | ||
66 | { | ||
67 | struct v4l2_sliced_vbi_data data; | ||
68 | |||
69 | if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) | ||
70 | return; | ||
71 | /* When using a 50 Hz system, always turn on the | ||
72 | wide screen signal with 4x3 ratio as the default. | ||
73 | Turning this signal on and off can confuse certain | ||
74 | TVs. As far as I can tell there is no reason not to | ||
75 | transmit this signal. */ | ||
76 | if ((itv->std & V4L2_STD_625_50) && !enabled) { | ||
77 | enabled = 1; | ||
78 | mode = 0x08; /* 4x3 full format */ | ||
79 | } | ||
80 | data.id = V4L2_SLICED_WSS_625; | ||
81 | data.field = 0; | ||
82 | data.line = enabled ? 23 : 0; | ||
83 | data.data[0] = mode & 0xff; | ||
84 | data.data[1] = (mode >> 8) & 0xff; | ||
85 | ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data); | ||
86 | } | ||
87 | |||
88 | void ivtv_encoder_enable(struct ivtv *itv, int enabled) | ||
89 | { | ||
90 | if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) { | ||
91 | ivtv_saa7127(itv, enabled ? VIDIOC_STREAMON : VIDIOC_STREAMOFF, | ||
92 | &enabled); | ||
93 | } | ||
94 | } | ||
95 | |||
96 | void ivtv_video_set_io(struct ivtv *itv) | ||
97 | { | ||
98 | struct v4l2_routing route; | ||
99 | int inp = itv->active_input; | ||
100 | u32 type; | ||
101 | |||
102 | route.input = itv->card->video_inputs[inp].video_input; | ||
103 | route.output = 0; | ||
104 | itv->video_dec_func(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route); | ||
105 | |||
106 | type = itv->card->video_inputs[inp].video_type; | ||
107 | |||
108 | if (type == IVTV_CARD_INPUT_VID_TUNER) { | ||
109 | route.input = 0; /* Tuner */ | ||
110 | } else if (type < IVTV_CARD_INPUT_COMPOSITE1) { | ||
111 | route.input = 2; /* S-Video */ | ||
112 | } else { | ||
113 | route.input = 1; /* Composite */ | ||
114 | } | ||
115 | |||
116 | if (itv->card->hw_video & IVTV_HW_GPIO) | ||
117 | ivtv_gpio(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route); | ||
118 | |||
119 | if (itv->card->hw_video & IVTV_HW_UPD64031A) { | ||
120 | if (type == IVTV_CARD_INPUT_VID_TUNER || | ||
121 | type >= IVTV_CARD_INPUT_COMPOSITE1) { | ||
122 | /* Composite: GR on, connect to 3DYCS */ | ||
123 | route.input = UPD64031A_GR_ON | UPD64031A_3DYCS_COMPOSITE; | ||
124 | } else { | ||
125 | /* S-Video: GR bypassed, turn it off */ | ||
126 | route.input = UPD64031A_GR_OFF | UPD64031A_3DYCS_DISABLE; | ||
127 | } | ||
128 | route.input |= itv->card->gr_config; | ||
129 | |||
130 | ivtv_upd64031a(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route); | ||
131 | } | ||
132 | |||
133 | if (itv->card->hw_video & IVTV_HW_UPD6408X) { | ||
134 | route.input = UPD64083_YCS_MODE; | ||
135 | if (type > IVTV_CARD_INPUT_VID_TUNER && | ||
136 | type < IVTV_CARD_INPUT_COMPOSITE1) { | ||
137 | /* S-Video uses YCNR mode and internal Y-ADC, the upd64031a | ||
138 | is not used. */ | ||
139 | route.input |= UPD64083_YCNR_MODE; | ||
140 | } | ||
141 | else if (itv->card->hw_video & IVTV_HW_UPD64031A) { | ||
142 | /* Use upd64031a output for tuner and composite(CX23416GYC only) inputs */ | ||
143 | if ((type == IVTV_CARD_INPUT_VID_TUNER)|| | ||
144 | (itv->card->type == IVTV_CARD_CX23416GYC)) { | ||
145 | route.input |= UPD64083_EXT_Y_ADC; | ||
146 | } | ||
147 | } | ||
148 | ivtv_upd64083(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route); | ||
149 | } | ||
150 | } | ||