df88882d80
- Add sysarch methods for "get bus window count", "get bus window", and "pci conf read/write". These are a hack, but they're what's necessary in order to make XFree86 work in its current state.
110 lines
3.6 KiB
C
110 lines
3.6 KiB
C
/* $NetBSD: sysarch.h,v 1.4 2000/02/26 18:53:12 thorpej Exp $ */
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/*-
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ALPHA_SYSARCH_H_
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#define _ALPHA_SYSARCH_H_
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#include <machine/bus.h>
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#include <machine/ieeefp.h>
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/*
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* Architecture specific syscalls (ALPHA)
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*/
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#define ALPHA_FPGETMASK 0
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#define ALPHA_FPSETMASK 1
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#define ALPHA_FPSETSTICKY 2
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struct alpha_fp_except_args {
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fp_except mask;
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};
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#define ALPHA_BUS_GET_WINDOW_COUNT 3
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struct alpha_bus_get_window_count_args {
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u_int type;
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u_int count; /* output */
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};
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#define ALPHA_BUS_GET_WINDOW 4
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struct alpha_bus_get_window_args {
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u_int type;
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u_int window;
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struct alpha_bus_space_translation *translation; /* output */
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};
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#define ALPHA_BUS_TYPE_PCI_IO 0
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#define ALPHA_BUS_TYPE_PCI_MEM 1
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#define ALPHA_BUS_TYPE_MAX 1
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#define ALPHA_PCI_CONF_READWRITE 5
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struct alpha_pci_conf_readwrite_args {
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int write;
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u_int bus;
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u_int device;
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u_int function;
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u_int reg;
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u_int32_t val;
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};
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#ifdef _KERNEL
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extern u_int alpha_bus_window_count[];
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extern int (*alpha_bus_get_window) __P((int, int,
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struct alpha_bus_space_translation *));
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extern struct alpha_pci_chipset *alpha_pci_chipset;
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#else
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struct alpha_bus_window {
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caddr_t abw_addr;
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size_t abw_size;
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struct alpha_bus_space_translation abw_abst;
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};
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int alpha_bus_getwindows __P((int, struct alpha_bus_window **));
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int alpha_bus_mapwindow __P((struct alpha_bus_window *));
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void alpha_bus_unmapwindow __P((struct alpha_bus_window *));
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void *alpha_pci_mem_map __P((bus_addr_t, bus_size_t, int,
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struct alpha_bus_space_translation *));
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void alpha_pci_mem_unmap __P((void *addr, bus_size_t));
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u_int32_t alpha_pci_conf_read __P((u_int, u_int, u_int, u_int));
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void alpha_pci_conf_write __P((u_int, u_int, u_int, u_int, u_int32_t));
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int sysarch __P((int, void *));
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#endif /* _KERNEL */
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#endif /* !_ALPHA_SYSARCH_H_ */
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