45 lines
912 B
C
45 lines
912 B
C
#define AD1848_TYPE_DEFAULT 0
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#define AD1848_TYPE_CS4248 1
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#define AD1848_TYPE_CS4231 2
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typedef struct ad1848_t
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{
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int index;
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uint8_t regs[32]; /* 16 original + 16 CS4231A extensions */
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uint8_t status;
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int trd;
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int mce;
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int count;
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int16_t out_l, out_r;
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double cd_vol_l, cd_vol_r;
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int enable;
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int irq, dma;
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int freq;
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pc_timer_t timer_count;
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uint64_t timer_latch;
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int16_t buffer[SOUNDBUFLEN * 2];
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int pos;
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int type;
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} ad1848_t;
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void ad1848_setirq(ad1848_t *ad1848, int irq);
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void ad1848_setdma(ad1848_t *ad1848, int dma);
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uint8_t ad1848_read(uint16_t addr, void *p);
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void ad1848_write(uint16_t addr, uint8_t val, void *p);
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void ad1848_update(ad1848_t *ad1848);
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void ad1848_speed_changed(ad1848_t *ad1848);
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void ad1848_init(ad1848_t *ad1848, int type);
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