85 lines
3.1 KiB
C
85 lines
3.1 KiB
C
/* $NetBSD: mca_machdep.h,v 1.3 2000/06/04 19:14:45 cgd Exp $ */
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/*
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* Copyright (c) 1999 Scott D. Telford. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _I386_MCA_MACHDEP_H_
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#define _I386_MCA_MACHDEP_H_
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/*
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* i386-specific definitions for MCA autoconfiguration.
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*/
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extern struct i386_bus_dma_tag mca_bus_dma_tag;
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/* set to 1 if MCA bus is detected */
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extern int MCA_system;
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int mca_nmi(void);
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/*
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* Types provided to machine-independent MCA code.
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*/
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struct i386_mca_chipset {
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void * /*struct mca_dma_state*/ ic_dmastate;
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};
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typedef struct i386_mca_chipse *mca_chipset_tag_t;
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typedef int mca_intr_handle_t;
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/*
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* Functions provided to machine-independent MCA code.
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*/
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struct mcabus_attach_args;
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void mca_attach_hook(struct device *, struct device *,
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struct mcabus_attach_args *);
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const struct evcnt *mca_intr_evcnt(mca_chipset_tag_t, mca_intr_handle_t);
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void *mca_intr_establish(mca_chipset_tag_t, mca_intr_handle_t,
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int, int (*)(void *), void *);
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void mca_intr_disestablish(mca_chipset_tag_t, void *);
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int mca_conf_read(mca_chipset_tag_t, int, int);
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void mca_conf_write(mca_chipset_tag_t, int, int, int);
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void mca_busprobe(void);
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/* MCA register addresses for IBM PS/2 */
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#define PS2_SYS_CTL_A 0x92 /* PS/2 System Control Port A */
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#define MCA_MB_SETUP_REG 0x94 /* Motherboard setup register */
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#define MCA_ADAP_SETUP_REG 0x96 /* Adapter setup register */
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#define MCA_POS_REG_BASE 0x100 /* POS registers base address */
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#define MCA_POS_REG_SIZE 8 /* POS registers window size */
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#define MCA_POS_REG(n) (0x100+(n)) /* POS registers 0-7 */
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/* Adapter setup register bits */
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#define MCA_ADAP_SET 0x08 /* Adapter setup mode */
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#define MCA_ADAP_CHR 0x80 /* Adapter channel reset */
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#endif /* _I386_MCA_MACHDEP_H_ */
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