165 lines
2.9 KiB
C
165 lines
2.9 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Maurus Cuelenaere
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "system.h"
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#include "kernel.h"
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#include "logf.h"
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#include "audio.h"
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#include "sound.h"
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#include "pcm.h"
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#include "jz4740.h"
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/****************************************************************************
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** Playback DMA transfer
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**/
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void pcm_postinit(void)
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{
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audiohw_postinit(); /* implemented not for all codecs */
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pcm_apply_settings();
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}
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const void * pcm_play_dma_get_peak_buffer(int *count)
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{
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/* TODO */
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*count = 0;
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return NULL;
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}
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void pcm_play_dma_init(void)
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{
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/* TODO */
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/* Initialize default register values. */
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audiohw_init();
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/* Power on */
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audiohw_enable_output(true);
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/* Unmute the master channel (DAC should be at zero point now). */
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audiohw_mute(false);
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}
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void pcm_apply_settings(void)
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{
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/* TODO */
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}
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void pcm_set_frequency(unsigned int frequency)
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{
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(void) frequency;
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/* TODO */
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}
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static void play_start_pcm(void)
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{
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pcm_apply_settings();
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/* TODO */
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}
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static void play_stop_pcm(void)
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{
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/* TODO */
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}
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void pcm_play_dma_start(const void *addr, size_t size)
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{
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(void)addr;
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(void)size;
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/* TODO */
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play_start_pcm();
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}
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void pcm_play_dma_stop(void)
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{
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play_stop_pcm();
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/* TODO */
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}
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void pcm_play_lock(void)
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{
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/* TODO */
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}
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void pcm_play_unlock(void)
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{
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/* TODO */
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}
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void pcm_play_dma_pause(bool pause)
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{
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if(pause)
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play_stop_pcm();
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else
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play_start_pcm();
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}
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size_t pcm_get_bytes_waiting(void)
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{
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/* TODO */
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return 0;
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}
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#ifdef HAVE_RECORDING
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/* TODO */
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void pcm_rec_dma_init(void)
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{
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}
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void pcm_rec_dma_close(void)
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{
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}
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void pcm_rec_dma_start(void *addr, size_t size)
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{
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(void) addr;
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(void) size;
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}
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void pcm_rec_dma_stop(void)
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{
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}
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void pcm_rec_lock(void)
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{
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}
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void pcm_rec_unlock(void)
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{
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}
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const void * pcm_rec_dma_get_peak_buffer(int *count)
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{
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*count = 0;
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return NULL;
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}
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void pcm_record_more(void *start, size_t size)
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{
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(void) start;
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(void) size;
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}
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#endif
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