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Annotation of qemu/hw/lm4549.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * LM4549 Audio Codec Interface
        !             3:  *
        !             4:  * Copyright (c) 2011
        !             5:  * Written by Mathieu Sonet - www.elasticsheep.com
        !             6:  *
        !             7:  * This code is licenced under the GPL.
        !             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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