/*
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);
}
}
