// SPDX-License-Identifier: GPL-2.0-or-later
|
/*
|
Audio/video-routing-related ivtv functions.
|
Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
|
Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
|
|
*/
|
|
#include "ivtv-driver.h"
|
#include "ivtv-i2c.h"
|
#include "ivtv-cards.h"
|
#include "ivtv-gpio.h"
|
#include "ivtv-routing.h"
|
|
#include <media/drv-intf/msp3400.h>
|
#include <media/i2c/m52790.h>
|
#include <media/i2c/upd64031a.h>
|
#include <media/i2c/upd64083.h>
|
|
/* Selects the audio input and output according to the current
|
settings. */
|
void ivtv_audio_set_io(struct ivtv *itv)
|
{
|
const struct ivtv_card_audio_input *in;
|
u32 input, output = 0;
|
|
/* Determine which input to use */
|
if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags))
|
in = &itv->card->radio_input;
|
else
|
in = &itv->card->audio_inputs[itv->audio_input];
|
|
/* handle muxer chips */
|
input = in->muxer_input;
|
if (itv->card->hw_muxer & IVTV_HW_M52790)
|
output = M52790_OUT_STEREO;
|
v4l2_subdev_call(itv->sd_muxer, audio, s_routing,
|
input, output, 0);
|
|
input = in->audio_input;
|
output = 0;
|
if (itv->card->hw_audio & IVTV_HW_MSP34XX)
|
output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
|
ivtv_call_hw(itv, itv->card->hw_audio, audio, s_routing,
|
input, output, 0);
|
}
|
|
/* Selects the video input and output according to the current
|
settings. */
|
void ivtv_video_set_io(struct ivtv *itv)
|
{
|
int inp = itv->active_input;
|
u32 input;
|
u32 type;
|
|
v4l2_subdev_call(itv->sd_video, video, s_routing,
|
itv->card->video_inputs[inp].video_input, 0, 0);
|
|
type = itv->card->video_inputs[inp].video_type;
|
|
if (type == IVTV_CARD_INPUT_VID_TUNER) {
|
input = 0; /* Tuner */
|
} else if (type < IVTV_CARD_INPUT_COMPOSITE1) {
|
input = 2; /* S-Video */
|
} else {
|
input = 1; /* Composite */
|
}
|
|
if (itv->card->hw_video & IVTV_HW_GPIO)
|
ivtv_call_hw(itv, IVTV_HW_GPIO, video, s_routing,
|
input, 0, 0);
|
|
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 */
|
input = UPD64031A_GR_ON | UPD64031A_3DYCS_COMPOSITE;
|
} else {
|
/* S-Video: GR bypassed, turn it off */
|
input = UPD64031A_GR_OFF | UPD64031A_3DYCS_DISABLE;
|
}
|
input |= itv->card->gr_config;
|
|
ivtv_call_hw(itv, IVTV_HW_UPD64031A, video, s_routing,
|
input, 0, 0);
|
}
|
|
if (itv->card->hw_video & IVTV_HW_UPD6408X) {
|
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. */
|
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) {
|
input |= UPD64083_EXT_Y_ADC;
|
}
|
}
|
ivtv_call_hw(itv, IVTV_HW_UPD6408X, video, s_routing,
|
input, 0, 0);
|
}
|
}
|
