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/* $OpenBSD: crossvar.h,v 1.4 1996/11/28 23:33:08 niklas Exp $ */
/*
* Copyright (c) 1994, 1996 Niklas Hallqvist
* All rights reserved.
*
* 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 Niklas Hallqvist.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _CROSSVAR_H_
#define _CROSSVAR_H_
/*
* Interrupt handler chains. cross_intr_establish() inserts a handler into
* the list. The handler is called with its (single) argument.
*/
struct intrhand {
struct intrhand *ih_next;
int (*ih_fun) __P ((void *));
void *ih_arg;
u_long ih_count;
int ih_irq;
char *ih_what;
struct isr ih_isr;
u_int16_t ih_mask;
volatile u_int16_t *ih_status;
};
#define ICU_LEN 16 /* number of ISA IRQs (XXX) */
struct cross_softc {
struct device sc_dev;
struct zbus_args sc_zargs;
struct intrhand *sc_ih[ICU_LEN];
int sc_intrsharetype[ICU_LEN];
u_int16_t sc_imask;
volatile u_int16_t *sc_status;
struct vm_page sc_page[CROSS_BANK_SIZE / NBPG];
struct amiga_bus_space sc_iot;
struct amiga_bus_space sc_memt;
struct amiga_isa_chipset sc_ic;
};
extern int crossdebug;
#endif
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