projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| d028d02d MS |
1 | /* |
| 2 | * LM4549 Audio Codec Interface | |
| 3 | * | |
| 4 | * Copyright (c) 2011 | |
| 5 | * Written by Mathieu Sonet - www.elasticsheep.com | |
| 6 | * | |
| 4d8db4e4 | 7 | * This code is licensed under the GPL. |
| d028d02d MS |
8 | * |
| 9 | * ***************************************************************** | |
| 10 | */ | |
| 11 | ||
| 12 | #ifndef HW_LM4549_H | |
| 13 | #define HW_LM4549_H | |
| 14 | ||
| 15 | #include "audio/audio.h" | |
| 16 | ||
| 17 | typedef void (*lm4549_callback)(void *opaque); | |
| 18 | ||
| 19 | #define LM4549_BUFFER_SIZE (512 * 2) /* 512 16-bit stereo samples */ | |
| 20 | ||
| 21 | ||
| 22 | typedef struct { | |
| 23 | QEMUSoundCard card; | |
| 24 | SWVoiceOut *voice; | |
| 25 | uint32_t voice_is_active; | |
| 26 | ||
| 27 | uint16_t regfile[128]; | |
| 28 | lm4549_callback data_req_cb; | |
| 29 | void *opaque; | |
| 30 | ||
| 31 | uint16_t buffer[LM4549_BUFFER_SIZE]; | |
| 32 | uint32_t buffer_level; | |
| 33 | } lm4549_state; | |
| 34 | ||
| 35 | extern const VMStateDescription vmstate_lm4549_state; | |
| 36 | ||
| 37 | ||
| 38 | void lm4549_init(lm4549_state *s, lm4549_callback data_req, void *opaque); | |
| a8170e5e AK |
39 | uint32_t lm4549_read(lm4549_state *s, hwaddr offset); |
| 40 | void lm4549_write(lm4549_state *s, hwaddr offset, uint32_t value); | |
| d028d02d MS |
41 | uint32_t lm4549_write_samples(lm4549_state *s, uint32_t left, uint32_t right); |
| 42 | ||
| 175de524 | 43 | #endif /* HW_LM4549_H */ |