50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Definitions for AC'97 audio emulation.
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*
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*
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*
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* Authors: RichardG, <richardg867@gmail.com>
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*
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* Copyright 2021 RichardG.
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*/
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#ifndef EMU_SND_AC97_H
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# define EMU_SND_AC97_H
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typedef struct {
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uint32_t id;
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uint8_t regs[128];
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} ac97_codec_t;
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extern uint8_t ac97_codec_read(ac97_codec_t *dev, uint8_t reg);
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extern void ac97_codec_write(ac97_codec_t *dev, uint8_t reg, uint8_t val);
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extern void ac97_codec_reset(void *priv);
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extern void ac97_via_set_slot(void *priv, int slot, int irq_pin);
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extern uint8_t ac97_via_read_status(void *priv, uint8_t modem);
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extern void ac97_via_remap_audio_sgd(void *priv, uint16_t new_io_base, uint8_t enable);
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extern void ac97_via_remap_modem_sgd(void *priv, uint16_t new_io_base, uint8_t enable);
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extern void ac97_via_remap_audio_codec(void *priv, uint16_t new_io_base, uint8_t enable);
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extern void ac97_via_remap_modem_codec(void *priv, uint16_t new_io_base, uint8_t enable);
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#ifdef EMU_DEVICE_H
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extern ac97_codec_t **ac97_codec, **ac97_modem_codec;
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extern int ac97_codec_count, ac97_modem_codec_count;
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extern const device_t alc100_device;
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extern const device_t ac97_via_device;
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#endif
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#endif
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