100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
/* $NetBSD: pcctwovar.h,v 1.6 2024/01/19 03:59:47 thorpej 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.
|
|
*
|
|
* 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
|
|
|
|
#include "opt_mvmeconf.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 {
|
|
const 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 {
|
|
device_t 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 *,
|
|
const 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 */
|