aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/video/ivtv/ivtv-video.c
blob: 5858b197d51050181fedc4eca72087e210ad79d9 (plain)
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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/*
    saa7127 interface functions
    Copyright (C) 2004-2007  Hans Verkuil <hverkuil@xs4all.nl>

    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, or
    (at your option) any later version.

    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
 */

#include "ivtv-driver.h"
#include "ivtv-video.h"
#include "ivtv-i2c.h"
#include "ivtv-gpio.h"
#include "ivtv-cards.h"
#include <media/upd64031a.h>
#include <media/upd64083.h>

void ivtv_set_vps(struct ivtv *itv, int enabled, u8 vps1, u8 vps2, u8 vps3,
		  u8 vps4, u8 vps5)
{
	struct v4l2_sliced_vbi_data data;

	if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
		return;
	data.id = V4L2_SLICED_VPS;
	data.field = 0;
	data.line = enabled ? 16 : 0;
	data.data[4] = vps1;
	data.data[10] = vps2;
	data.data[11] = vps3;
	data.data[12] = vps4;
	data.data[13] = vps5;
	ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data);
}

void ivtv_set_cc(struct ivtv *itv, int mode, u8 cc1, u8 cc2, u8 cc3, u8 cc4)
{
	struct v4l2_sliced_vbi_data data;

	if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
		return;
	data.id = V4L2_SLICED_CAPTION_525;
	data.field = 0;
	data.line = (mode & 1) ? 21 : 0;
	data.data[0] = cc1;
	data.data[1] = cc2;
	ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data);
	data.field = 1;
	data.line = (mode & 2) ? 21 : 0;
	data.data[0] = cc3;
	data.data[1] = cc4;
	ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data);
}

void ivtv_set_wss(struct ivtv *itv, int enabled, int mode)
{
	struct v4l2_sliced_vbi_data data;

	if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
		return;
	/* When using a 50 Hz system, always turn on the
	   wide screen signal with 4x3 ratio as the default.
	   Turning this signal on and off can confuse certain
	   TVs. As far as I can tell there is no reason not to
	   transmit this signal. */
	if ((itv->std & V4L2_STD_625_50) && !enabled) {
		enabled = 1;
		mode = 0x08;  /* 4x3 full format */
	}
	data.id = V4L2_SLICED_WSS_625;
	data.field = 0;
	data.line = enabled ? 23 : 0;
	data.data[0] = mode & 0xff;
	data.data[1] = (mode >> 8) & 0xff;
	ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data);
}

void ivtv_video_set_io(struct ivtv *itv)
{
	struct v4l2_routing route;
	int inp = itv->active_input;
	u32 type;

	route.input = itv->card->video_inputs[inp].video_input;
	route.output = 0;
	itv->video_dec_func(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);

	type = itv->card->video_inputs[inp].video_type;

	if (type == IVTV_CARD_INPUT_VID_TUNER) {
		route.input = 0;  /* Tuner */
	} else if (type < IVTV_CARD_INPUT_COMPOSITE1) {
		route.input = 2;  /* S-Video */
	} else {
		route.input = 1;  /* Composite */
	}

	if (itv->card->hw_video & IVTV_HW_GPIO)
		ivtv_gpio(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);

	if (itv->card->hw_video & IVTV_HW_UPD64031A) {
		if (type == IVTV_CARD_INPUT_VID_TUNER ||
		    type >= IVTV_CARD_INPUT_COMPOSITE1) {
			/* Composite: GR on, connect to 3DYCS */
			route.input = UPD64031A_GR_ON | UPD64031A_3DYCS_COMPOSITE;
		} else {
			/* S-Video: GR bypassed, turn it off */
			route.input = UPD64031A_GR_OFF | UPD64031A_3DYCS_DISABLE;
		}
		route.input |= itv->card->gr_config;

		ivtv_upd64031a(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
	}

	if (itv->card->hw_video & IVTV_HW_UPD6408X) {
		route.input = UPD64083_YCS_MODE;
		if (type > IVTV_CARD_INPUT_VID_TUNER &&
		    type < IVTV_CARD_INPUT_COMPOSITE1) {
			/* S-Video uses YCNR mode and internal Y-ADC, the upd64031a
			   is not used. */
			route.input |= UPD64083_YCNR_MODE;
		}
		else if (itv->card->hw_video & IVTV_HW_UPD64031A) {
		  /* Use upd64031a output for tuner and composite(CX23416GYC only) inputs */
		  if ((type == IVTV_CARD_INPUT_VID_TUNER)||
		      (itv->card->type == IVTV_CARD_CX23416GYC)) {
		    route.input |= UPD64083_EXT_Y_ADC;
		  }
		}
		ivtv_upd64083(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
	}
}