blob: 5948780e0092d948152ae746b68ba0541f413e46 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/*
* 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"
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, target_phys_addr_t offset);
void lm4549_write(lm4549_state *s, target_phys_addr_t offset, uint32_t value);
uint32_t lm4549_write_samples(lm4549_state *s, uint32_t left, uint32_t right);
#endif /* #ifndef HW_LM4549_H */
|
