low.h

来自「一个两碟控制的VCD的代码,两碟之间的转动及连续播放,已大量生产的CODE.」· C头文件 代码 · 共 46 行

/* SCCSID @(#)low.h	1.1 11/19/97 */ 


/*
 * $Log$
 */

void LOW_init_rdma(void);
void LOW_init_buscon(void);
void LOW_init_dram(void);
void LOW_init_gateway(void);
void LOW_init_audio(void);
void LOW_init_private_dma(void);
void LOW_init_riface(void);
void LOW_set_audio_sampling_frequency(int freq_code);

#ifdef DRIVER 
extern int gbl_gate_fiforeset;
#endif


#define LOW_turn_on_audio() mvd[audioctl] = 0x0030
#define LOW_turn_off_audio() mvd[audioctl] = 0x0038
#ifdef AUDIOCLK
#define AUDIOCTL_RESET 0x78
#else
#define AUDIOCTL_RESET 0x38
#endif

#ifdef SPDIF
/* MVD2 with 512FS */
#define LOW_reset_audio_port() do {     \
    int *cs8401a = (int *)0x14000100;   \
    mvd[audioctl] = AUDIOCTL_RESET;     \
    cs8401a[2] = 0x80;                  \
    cs8401a[2] = 0x83;                  \
    CLEAR_AUX7;                         \
    SET_AUX7;                           \
} while (0)

#else

#define LOW_reset_audio_port() mvd[audioctl] = AUDIOCTL_RESET

#endif  /* SPDIF */