mirror of https://github.com/xemu-project/xemu.git
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/*
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* Copyright (C) 2006 InnoTek Systemberatung GmbH
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*
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* This file is part of VirtualBox Open Source Edition (OSE), as
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* available from http://www.virtualbox.org. This file is free software;
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* you can redistribute it and/or modify it under the terms of the GNU
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* General Public License as published by the Free Software Foundation,
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* in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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* distribution. VirtualBox OSE is distributed in the hope that it will
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* be useful, but WITHOUT ANY WARRANTY of any kind.
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*
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* If you received this file as part of a commercial VirtualBox
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* distribution, then only the terms of your commercial VirtualBox
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* license agreement apply instead of the previous paragraph.
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*
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* Contributions after 2012-01-13 are licensed under the terms of the
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* GNU GPL, version 2 or (at your option) any later version.
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*/
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#ifndef HW_AC97_INT_H
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#define HW_AC97_INT_H
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#include "qemu/osdep.h"
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#include "hw/hw.h"
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#include "hw/audio/soundhw.h"
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#include "audio/audio.h"
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#include "hw/pci/pci.h"
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#include "sysemu/dma.h"
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enum {
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PI_INDEX = 0, /* PCM in */
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PO_INDEX, /* PCM out */
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MC_INDEX, /* Mic in */
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SO_INDEX = 7, /* SPDIF out */
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LAST_INDEX
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};
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typedef struct BD {
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uint32_t addr;
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uint32_t ctl_len;
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} BD;
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typedef struct AC97BusMasterRegs {
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uint32_t bdbar; /* rw 0, buffer descriptor list base address register */
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uint8_t civ; /* ro 0, current index value */
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uint8_t lvi; /* rw 0, last valid index */
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uint16_t sr; /* rw 1, status register */
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uint16_t picb; /* ro 0, position in current buffer */
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uint8_t piv; /* ro 0, prefetched index value */
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uint8_t cr; /* rw 0, control register */
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unsigned int bd_valid;
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BD bd;
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} AC97BusMasterRegs;
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typedef struct AC97LinkState {
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PCIDevice *pci_dev;
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AddressSpace *as;
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QEMUSoundCard card;
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uint32_t glob_cnt;
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uint32_t glob_sta;
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uint32_t cas; /* Codec Access Semaphore Register */
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uint32_t last_samp;
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AC97BusMasterRegs bm_regs[LAST_INDEX];
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uint8_t mixer_data[256];
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SWVoiceIn *voice_pi;
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SWVoiceOut *voice_po;
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SWVoiceIn *voice_mc;
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int invalid_freq[LAST_INDEX];
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uint8_t silence[128];
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int bup_flag;
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} AC97LinkState;
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void ac97_common_init (AC97LinkState *s,
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PCIDevice *pci_dev,
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AddressSpace *as);
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extern const MemoryRegionOps ac97_io_nam_ops;
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extern const MemoryRegionOps ac97_io_nabm_ops;
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#endif
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