126 lines
3.3 KiB
C
126 lines
3.3 KiB
C
/* $NetBSD: eisa_machdep.c,v 1.2 1996/04/11 22:15:08 cgd Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1996 Christopher G. Demetriou. 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 Christopher G. Demetriou
|
|
* for the NetBSD Project.
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Machine-specific functions for EISA autoconfiguration.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/time.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <i386/isa/icu.h>
|
|
#include <dev/isa/isavar.h>
|
|
#include <dev/eisa/eisavar.h>
|
|
|
|
void
|
|
eisa_attach_hook(parent, self, eba)
|
|
struct device *parent, *self;
|
|
struct eisabus_attach_args *eba;
|
|
{
|
|
|
|
/* Nothing to do */
|
|
}
|
|
|
|
int
|
|
eisa_maxslots(ec)
|
|
eisa_chipset_tag_t ec;
|
|
{
|
|
|
|
/*
|
|
* Always try 16 slots.
|
|
*/
|
|
return (16);
|
|
}
|
|
|
|
int
|
|
eisa_intr_map(ec, irq, ihp)
|
|
eisa_chipset_tag_t ec;
|
|
u_int irq;
|
|
eisa_intr_handle_t *ihp;
|
|
{
|
|
|
|
if (irq >= ICU_LEN) {
|
|
printf("eisa_intr_map: bad IRQ %d\n", irq);
|
|
*ihp = -1;
|
|
return 1;
|
|
}
|
|
if (irq == 2) {
|
|
printf("eisa_intr_map: changed IRQ 2 to IRQ 9\n");
|
|
irq = 9;
|
|
}
|
|
|
|
*ihp = irq;
|
|
return 0;
|
|
}
|
|
|
|
const char *
|
|
eisa_intr_string(ec, ih)
|
|
eisa_chipset_tag_t ec;
|
|
eisa_intr_handle_t ih;
|
|
{
|
|
static char irqstr[8]; /* 4 + 2 + NULL + sanity */
|
|
|
|
if (ih == 0 || ih >= ICU_LEN || ih == 2)
|
|
panic("eisa_intr_string: bogus handle 0x%x\n", ih);
|
|
|
|
sprintf(irqstr, "irq %d", ih);
|
|
return (irqstr);
|
|
|
|
}
|
|
|
|
void *
|
|
eisa_intr_establish(ec, ih, type, level, func, arg)
|
|
eisa_chipset_tag_t ec;
|
|
eisa_intr_handle_t ih;
|
|
int type, level, (*func) __P((void *));
|
|
void *arg;
|
|
{
|
|
|
|
if (ih == 0 || ih >= ICU_LEN || ih == 2)
|
|
panic("eisa_intr_establish: bogus handle 0x%x\n", ih);
|
|
|
|
return isa_intr_establish(NULL, ih, type, level, func, arg);
|
|
}
|
|
|
|
void
|
|
eisa_intr_disestablish(ec, cookie)
|
|
eisa_chipset_tag_t ec;
|
|
void *cookie;
|
|
{
|
|
|
|
return isa_intr_disestablish(NULL, cookie);
|
|
}
|