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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 Audio/video-routing-related ivtv functions.4 Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>5 Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>6 7 */8 9#include "ivtv-driver.h"10#include "ivtv-i2c.h"11#include "ivtv-cards.h"12#include "ivtv-gpio.h"13#include "ivtv-routing.h"14 15#include <media/drv-intf/msp3400.h>16#include <media/i2c/m52790.h>17#include <media/i2c/upd64031a.h>18#include <media/i2c/upd64083.h>19 20/* Selects the audio input and output according to the current21 settings. */22void ivtv_audio_set_io(struct ivtv *itv)23{24 const struct ivtv_card_audio_input *in;25 u32 input, output = 0;26 27 /* Determine which input to use */28 if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags))29 in = &itv->card->radio_input;30 else31 in = &itv->card->audio_inputs[itv->audio_input];32 33 /* handle muxer chips */34 input = in->muxer_input;35 if (itv->card->hw_muxer & IVTV_HW_M52790)36 output = M52790_OUT_STEREO;37 v4l2_subdev_call(itv->sd_muxer, audio, s_routing,38 input, output, 0);39 40 input = in->audio_input;41 output = 0;42 if (itv->card->hw_audio & IVTV_HW_MSP34XX)43 output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);44 ivtv_call_hw(itv, itv->card->hw_audio, audio, s_routing,45 input, output, 0);46}47 48/* Selects the video input and output according to the current49 settings. */50void ivtv_video_set_io(struct ivtv *itv)51{52 int inp = itv->active_input;53 u32 input;54 u32 type;55 56 v4l2_subdev_call(itv->sd_video, video, s_routing,57 itv->card->video_inputs[inp].video_input, 0, 0);58 59 type = itv->card->video_inputs[inp].video_type;60 61 if (type == IVTV_CARD_INPUT_VID_TUNER) {62 input = 0; /* Tuner */63 } else if (type < IVTV_CARD_INPUT_COMPOSITE1) {64 input = 2; /* S-Video */65 } else {66 input = 1; /* Composite */67 }68 69 if (itv->card->hw_video & IVTV_HW_GPIO)70 ivtv_call_hw(itv, IVTV_HW_GPIO, video, s_routing,71 input, 0, 0);72 73 if (itv->card->hw_video & IVTV_HW_UPD64031A) {74 if (type == IVTV_CARD_INPUT_VID_TUNER ||75 type >= IVTV_CARD_INPUT_COMPOSITE1) {76 /* Composite: GR on, connect to 3DYCS */77 input = UPD64031A_GR_ON | UPD64031A_3DYCS_COMPOSITE;78 } else {79 /* S-Video: GR bypassed, turn it off */80 input = UPD64031A_GR_OFF | UPD64031A_3DYCS_DISABLE;81 }82 input |= itv->card->gr_config;83 84 ivtv_call_hw(itv, IVTV_HW_UPD64031A, video, s_routing,85 input, 0, 0);86 }87 88 if (itv->card->hw_video & IVTV_HW_UPD6408X) {89 input = UPD64083_YCS_MODE;90 if (type > IVTV_CARD_INPUT_VID_TUNER &&91 type < IVTV_CARD_INPUT_COMPOSITE1) {92 /* S-Video uses YCNR mode and internal Y-ADC, the93 upd64031a is not used. */94 input |= UPD64083_YCNR_MODE;95 }96 else if (itv->card->hw_video & IVTV_HW_UPD64031A) {97 /* Use upd64031a output for tuner and98 composite(CX23416GYC only) inputs */99 if (type == IVTV_CARD_INPUT_VID_TUNER ||100 itv->card->type == IVTV_CARD_CX23416GYC) {101 input |= UPD64083_EXT_Y_ADC;102 }103 }104 ivtv_call_hw(itv, IVTV_HW_UPD6408X, video, s_routing,105 input, 0, 0);106 }107}108