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Annotation of qemu/hw/lm4549.h, revision 1.1.1.2

1.1       root        1: /*
                      2:  * LM4549 Audio Codec Interface
                      3:  *
                      4:  * Copyright (c) 2011
                      5:  * Written by Mathieu Sonet - www.elasticsheep.com
                      6:  *
1.1.1.2 ! root        7:  * This code is licensed under the GPL.
1.1       root        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);
                     39: uint32_t lm4549_read(lm4549_state *s, target_phys_addr_t offset);
                     40: void lm4549_write(lm4549_state *s, target_phys_addr_t offset, uint32_t value);
                     41: uint32_t lm4549_write_samples(lm4549_state *s, uint32_t left, uint32_t right);
                     42: 
                     43: #endif /* #ifndef HW_LM4549_H */

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