NetBSD/sys/dev/mvme/pcctwovar.h

104 lines
3.8 KiB
C

/* $NetBSD: pcctwovar.h,v 1.1 2002/02/12 20:38:50 scw Exp $ */
/*-
* Copyright (c) 2000, 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Steve C. Woodford
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MVME_PCCTWOVAR_H
#define _MVME_PCCTWOVAR_H
/*
* Structure used to attach PCC devices.
*/
struct pcctwo_attach_args {
const char *pa_name; /* name of device */
int pa_ipl; /* interrupt level */
bus_dma_tag_t pa_dmat; /* DMA tag */
bus_space_tag_t pa_bust; /* Bus tag */
bus_addr_t pa_offset; /* Offset with 'Bus tag' bus space */
bus_addr_t _pa_base;
};
/*
* Structure used to describe a device for autoconfiguration purposes.
*/
struct pcctwo_device {
char *pcc_name; /* name of device (e.g. "clock") */
bus_addr_t pcc_offset; /* offset from PCC2 base */
};
/*
* Macroes to make life easy when converting vector offset to interrupt
* control register, and how to initialise the ICSR.
*/
#define VEC2ICSR(r,v) ((r) | (((v) | PCCTWO_ICR_IEN) << 8))
#define VEC2ICSR_REG(x) ((x) & 0xff)
#define VEC2ICSR_INIT(x) ((x) >> 8)
/* Shorthand for locators. */
#include "locators.h"
#define pcctwocf_ipl cf_loc[PCCTWOCF_IPL]
/*
* PCCChip2 driver's soft state structure
*/
struct pcctwo_softc {
struct device sc_dev;
bus_space_tag_t sc_bust; /* PCCChip2's register tag */
bus_space_handle_t sc_bush; /* PCCChip2's register handle */
bus_dma_tag_t sc_dmat; /* PCCChip2's dma tag (unused)*/
int *sc_vec2icsr; /* Translate vector to ICSR */
int sc_vecbase;
void *sc_isrcookie;
void (*sc_isrlink)(void *, int (*)(void *), void *,
int, int, struct evcnt *);
void (*sc_isrunlink)(void *, int);
struct evcnt * (*sc_isrevcnt)(void *, int);
#if defined(MVME162) || defined(MVME172)
struct evcnt sc_evcnt;
#endif
};
extern struct pcctwo_softc *sys_pcctwo;
extern void pcctwo_init(struct pcctwo_softc *, struct pcctwo_device *, int);
extern struct evcnt *pcctwointr_evcnt(int);
extern void pcctwointr_establish(int, int (*)(void *), int, void *,
struct evcnt *);
extern void pcctwointr_disestablish(int);
#endif /* _MVME_PCCTWOVAR_H */