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/*
* LM4549 Audio Codec Interface
*
* Copyright (c) 2011
* Written by Mathieu Sonet - www.elasticsheep.com
*
* This code is licensed under the GPL.
*
* *****************************************************************
*/
#ifndef HW_LM4549_H
#define HW_LM4549_H
#include "audio/audio.h"
#include "exec/hwaddr.h"
typedef void (*lm4549_callback)(void *opaque);
#define LM4549_BUFFER_SIZE (512 * 2) /* 512 16-bit stereo samples */
typedef struct {
QEMUSoundCard card;
SWVoiceOut *voice;
uint32_t voice_is_active;
uint16_t regfile[128];
lm4549_callback data_req_cb;
void *opaque;
uint16_t buffer[LM4549_BUFFER_SIZE];
uint32_t buffer_level;
} lm4549_state;
extern const VMStateDescription vmstate_lm4549_state;
void lm4549_init(lm4549_state *s, lm4549_callback data_req, void *opaque,
Error **errp);
uint32_t lm4549_read(lm4549_state *s, hwaddr offset);
void lm4549_write(lm4549_state *s, hwaddr offset, uint32_t value);
uint32_t lm4549_write_samples(lm4549_state *s, uint32_t left, uint32_t right);
#endif /* HW_LM4549_H */
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