root / hw / lm4549.h @ 37952117
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| 1 | d028d02d | Mathieu Sonet | /*
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| 2 | d028d02d | Mathieu Sonet | * LM4549 Audio Codec Interface
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| 3 | d028d02d | Mathieu Sonet | *
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| 4 | d028d02d | Mathieu Sonet | * Copyright (c) 2011
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| 5 | d028d02d | Mathieu Sonet | * Written by Mathieu Sonet - www.elasticsheep.com
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| 6 | d028d02d | Mathieu Sonet | *
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| 7 | 4d8db4e4 | Stefan Weil | * This code is licensed under the GPL.
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| 8 | d028d02d | Mathieu Sonet | *
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| 9 | d028d02d | Mathieu Sonet | * *****************************************************************
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| 10 | d028d02d | Mathieu Sonet | */
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| 11 | d028d02d | Mathieu Sonet | |
| 12 | d028d02d | Mathieu Sonet | #ifndef HW_LM4549_H
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| 13 | d028d02d | Mathieu Sonet | #define HW_LM4549_H
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| 14 | d028d02d | Mathieu Sonet | |
| 15 | d028d02d | Mathieu Sonet | #include "audio/audio.h" |
| 16 | d028d02d | Mathieu Sonet | |
| 17 | d028d02d | Mathieu Sonet | typedef void (*lm4549_callback)(void *opaque); |
| 18 | d028d02d | Mathieu Sonet | |
| 19 | d028d02d | Mathieu Sonet | #define LM4549_BUFFER_SIZE (512 * 2) /* 512 16-bit stereo samples */ |
| 20 | d028d02d | Mathieu Sonet | |
| 21 | d028d02d | Mathieu Sonet | |
| 22 | d028d02d | Mathieu Sonet | typedef struct { |
| 23 | d028d02d | Mathieu Sonet | QEMUSoundCard card; |
| 24 | d028d02d | Mathieu Sonet | SWVoiceOut *voice; |
| 25 | d028d02d | Mathieu Sonet | uint32_t voice_is_active; |
| 26 | d028d02d | Mathieu Sonet | |
| 27 | d028d02d | Mathieu Sonet | uint16_t regfile[128];
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| 28 | d028d02d | Mathieu Sonet | lm4549_callback data_req_cb; |
| 29 | d028d02d | Mathieu Sonet | void *opaque;
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| 30 | d028d02d | Mathieu Sonet | |
| 31 | d028d02d | Mathieu Sonet | uint16_t buffer[LM4549_BUFFER_SIZE]; |
| 32 | d028d02d | Mathieu Sonet | uint32_t buffer_level; |
| 33 | d028d02d | Mathieu Sonet | } lm4549_state; |
| 34 | d028d02d | Mathieu Sonet | |
| 35 | d028d02d | Mathieu Sonet | extern const VMStateDescription vmstate_lm4549_state; |
| 36 | d028d02d | Mathieu Sonet | |
| 37 | d028d02d | Mathieu Sonet | |
| 38 | d028d02d | Mathieu Sonet | void lm4549_init(lm4549_state *s, lm4549_callback data_req, void *opaque); |
| 39 | d028d02d | Mathieu Sonet | uint32_t lm4549_read(lm4549_state *s, target_phys_addr_t offset); |
| 40 | d028d02d | Mathieu Sonet | void lm4549_write(lm4549_state *s, target_phys_addr_t offset, uint32_t value);
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| 41 | d028d02d | Mathieu Sonet | uint32_t lm4549_write_samples(lm4549_state *s, uint32_t left, uint32_t right); |
| 42 | d028d02d | Mathieu Sonet | |
| 43 | d028d02d | Mathieu Sonet | #endif /* #ifndef HW_LM4549_H */ |