104 lines
3.8 KiB
C
104 lines
3.8 KiB
C
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/* $NetBSD: pcctwovar.h,v 1.1 2002/02/12 20:38:50 scw Exp $ */
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/*-
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* Copyright (c) 2000, 2002 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 Steve C. Woodford
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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 _MVME_PCCTWOVAR_H
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#define _MVME_PCCTWOVAR_H
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/*
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* Structure used to attach PCC devices.
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*/
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struct pcctwo_attach_args {
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const char *pa_name; /* name of device */
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int pa_ipl; /* interrupt level */
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bus_dma_tag_t pa_dmat; /* DMA tag */
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bus_space_tag_t pa_bust; /* Bus tag */
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bus_addr_t pa_offset; /* Offset with 'Bus tag' bus space */
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bus_addr_t _pa_base;
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};
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/*
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* Structure used to describe a device for autoconfiguration purposes.
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*/
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struct pcctwo_device {
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char *pcc_name; /* name of device (e.g. "clock") */
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bus_addr_t pcc_offset; /* offset from PCC2 base */
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};
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/*
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* Macroes to make life easy when converting vector offset to interrupt
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* control register, and how to initialise the ICSR.
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*/
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#define VEC2ICSR(r,v) ((r) | (((v) | PCCTWO_ICR_IEN) << 8))
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#define VEC2ICSR_REG(x) ((x) & 0xff)
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#define VEC2ICSR_INIT(x) ((x) >> 8)
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/* Shorthand for locators. */
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#include "locators.h"
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#define pcctwocf_ipl cf_loc[PCCTWOCF_IPL]
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/*
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* PCCChip2 driver's soft state structure
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*/
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struct pcctwo_softc {
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struct device sc_dev;
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bus_space_tag_t sc_bust; /* PCCChip2's register tag */
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bus_space_handle_t sc_bush; /* PCCChip2's register handle */
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bus_dma_tag_t sc_dmat; /* PCCChip2's dma tag (unused)*/
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int *sc_vec2icsr; /* Translate vector to ICSR */
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int sc_vecbase;
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void *sc_isrcookie;
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void (*sc_isrlink)(void *, int (*)(void *), void *,
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int, int, struct evcnt *);
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void (*sc_isrunlink)(void *, int);
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struct evcnt * (*sc_isrevcnt)(void *, int);
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#if defined(MVME162) || defined(MVME172)
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struct evcnt sc_evcnt;
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#endif
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};
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extern struct pcctwo_softc *sys_pcctwo;
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extern void pcctwo_init(struct pcctwo_softc *, struct pcctwo_device *, int);
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extern struct evcnt *pcctwointr_evcnt(int);
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extern void pcctwointr_establish(int, int (*)(void *), int, void *,
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struct evcnt *);
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extern void pcctwointr_disestablish(int);
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#endif /* _MVME_PCCTWOVAR_H */
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