xemu/hw/audio/lm4549.h
Markus Armbruster d484205210 Include exec/memory.h slightly less
Drop unnecessary inclusions from headers.  Downgrade a few more to
exec/hwaddr.h.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190812052359.30071-17-armbru@redhat.com>
2019-08-16 13:31:52 +02:00

45 lines
1.0 KiB
C

/*
* 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);
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 */