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71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/*
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* This file is part of open_agb_firm
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* Copyright (C) 2021 derrek, profi200
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "types.h"
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#include "arm11/drivers/csnd.h"
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#include "arm11/drivers/codec.h"
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void CSND_init(void)
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{
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static bool inited = false;
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if(inited) return;
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inited = true;
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CODEC_init();
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Csnd *const csnd = getCsndRegs();
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csnd->master_vol = 32768; // Full volume.
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csnd->cnt = CSND_CNT_EN | CSND_CNT_RS_FILTER_EN;
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// Stop all channels.
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CsndCh *const csndCh = csnd->ch;
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for(u32 i = 0; i < 32; i++) csndCh[i].cnt = 0;
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// Stop all captures.
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CsndCap *const csndCap = csnd->cap;
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csndCap[0].cnt = 0;
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csndCap[1].cnt = 0;
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}
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void CSND_setupCh(const u8 ch, const u16 srFreq, const u32 vol, const u32 *const data,
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const u32 *const data2, const u32 size, const u16 flags)
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{
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CsndCh *const csndCh = getCsndChRegs(ch);
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csndCh->sr = srFreq;
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csndCh->vol = vol;
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csndCh->capvol = vol;
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csndCh->st_addr = (u32)data;
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csndCh->size = size;
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csndCh->lp_addr = (u32)data2;
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csndCh->st_adpcm = 0; // TODO: Hardcoded for now.
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csndCh->lp_adpcm = 0; // TODO: Hardcoded for now.
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csndCh->cnt = CSND_CH_START | flags; // Start in paused state.
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}
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void CSND_startCap(const u8 ch, const u16 sr, u32 *const data, const u32 size, const u16 flags)
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{
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CsndCap *const csndCap = getCsndCapRegs(ch);
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csndCap->sr = sr;
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csndCap->size = size;
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csndCap->addr = (u32)data;
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csndCap->cnt = CSND_CAP_START | flags;
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}
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