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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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Audio/video-routing-related ivtv functions.
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Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
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Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
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*/
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#include "ivtv-driver.h"
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#include "ivtv-i2c.h"
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#include "ivtv-cards.h"
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#include "ivtv-gpio.h"
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#include "ivtv-routing.h"
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#include <media/drv-intf/msp3400.h>
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#include <media/i2c/m52790.h>
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#include <media/i2c/upd64031a.h>
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#include <media/i2c/upd64083.h>
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/* Selects the audio input and output according to the current
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settings. */
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void ivtv_audio_set_io(struct ivtv *itv)
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{
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const struct ivtv_card_audio_input *in;
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u32 input, output = 0;
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/* Determine which input to use */
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if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags))
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in = &itv->card->radio_input;
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else
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in = &itv->card->audio_inputs[itv->audio_input];
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/* handle muxer chips */
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input = in->muxer_input;
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if (itv->card->hw_muxer & IVTV_HW_M52790)
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output = M52790_OUT_STEREO;
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v4l2_subdev_call(itv->sd_muxer, audio, s_routing,
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input, output, 0);
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input = in->audio_input;
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output = 0;
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if (itv->card->hw_audio & IVTV_HW_MSP34XX)
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output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
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ivtv_call_hw(itv, itv->card->hw_audio, audio, s_routing,
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input, output, 0);
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}
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/* Selects the video input and output according to the current
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settings. */
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void ivtv_video_set_io(struct ivtv *itv)
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{
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int inp = itv->active_input;
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u32 input;
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u32 type;
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v4l2_subdev_call(itv->sd_video, video, s_routing,
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itv->card->video_inputs[inp].video_input, 0, 0);
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type = itv->card->video_inputs[inp].video_type;
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if (type == IVTV_CARD_INPUT_VID_TUNER) {
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input = 0; /* Tuner */
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} else if (type < IVTV_CARD_INPUT_COMPOSITE1) {
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input = 2; /* S-Video */
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} else {
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input = 1; /* Composite */
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}
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if (itv->card->hw_video & IVTV_HW_GPIO)
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ivtv_call_hw(itv, IVTV_HW_GPIO, video, s_routing,
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input, 0, 0);
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if (itv->card->hw_video & IVTV_HW_UPD64031A) {
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if (type == IVTV_CARD_INPUT_VID_TUNER ||
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type >= IVTV_CARD_INPUT_COMPOSITE1) {
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/* Composite: GR on, connect to 3DYCS */
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input = UPD64031A_GR_ON | UPD64031A_3DYCS_COMPOSITE;
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} else {
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/* S-Video: GR bypassed, turn it off */
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input = UPD64031A_GR_OFF | UPD64031A_3DYCS_DISABLE;
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}
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input |= itv->card->gr_config;
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ivtv_call_hw(itv, IVTV_HW_UPD64031A, video, s_routing,
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input, 0, 0);
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}
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if (itv->card->hw_video & IVTV_HW_UPD6408X) {
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input = UPD64083_YCS_MODE;
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if (type > IVTV_CARD_INPUT_VID_TUNER &&
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type < IVTV_CARD_INPUT_COMPOSITE1) {
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/* S-Video uses YCNR mode and internal Y-ADC, the
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upd64031a is not used. */
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input |= UPD64083_YCNR_MODE;
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}
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else if (itv->card->hw_video & IVTV_HW_UPD64031A) {
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/* Use upd64031a output for tuner and
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composite(CX23416GYC only) inputs */
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if (type == IVTV_CARD_INPUT_VID_TUNER ||
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itv->card->type == IVTV_CARD_CX23416GYC) {
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input |= UPD64083_EXT_Y_ADC;
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}
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}
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ivtv_call_hw(itv, IVTV_HW_UPD6408X, video, s_routing,
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input, 0, 0);
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}
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}
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