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/* $OpenBSD: eisa_machdep.c,v 1.14 2010/09/06 19:05:48 kettenis Exp $ */
/* $NetBSD: eisa_machdep.c,v 1.10.22.2 2000/06/25 19:36:58 sommerfeld Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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.
*/
/*
* 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 <machine/bus.h>
#include <machine/i8259.h>
#include <dev/isa/isavar.h>
#include <dev/eisa/eisavar.h>
/*
* EISA doesn't have any special needs; just use the generic versions
* of these funcions.
*/
struct bus_dma_tag eisa_bus_dma_tag = {
NULL, /* _cookie */
_bus_dmamap_create,
_bus_dmamap_destroy,
_bus_dmamap_load,
_bus_dmamap_load_mbuf,
_bus_dmamap_load_uio,
_bus_dmamap_load_raw,
_bus_dmamap_unload,
_bus_dmamap_sync,
_bus_dmamem_alloc,
_bus_dmamem_free,
_bus_dmamem_map,
_bus_dmamem_unmap,
_bus_dmamem_mmap,
};
void
eisa_attach_hook(struct device *parent, struct device *self,
struct eisabus_attach_args *eba)
{
/* Nothing to do */
}
int
eisa_maxslots(eisa_chipset_tag_t ec)
{
/*
* Always try 16 slots.
*/
return (16);
}
int
eisa_intr_map(eisa_chipset_tag_t ec, u_int irq, eisa_intr_handle_t *ihp)
{
#if NIOAPIC > 0
struct mp_intr_map *mip;
#endif
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;
}
#if NIOAPIC > 0
if (mp_busses != NULL) {
/*
* Assumes 1:1 mapping between PCI bus numbers and
* the numbers given by the MP bios.
* XXX Is this a valid assumption?
*/
for (mip = mp_busses[bus].mb_intrs; mip != NULL;
mip = mip->next) {
if (mip->bus_pin == irq) {
*ihp = mip->ioapic_ih | irq;
return (0);
}
}
if (mip == NULL)
printf("eisa_intr_map: no MP mapping found\n");
}
#endif
*ihp = irq;
return (0);
}
const char *
eisa_intr_string(eisa_chipset_tag_t ec, eisa_intr_handle_t ih)
{
static char irqstr[64];
if (ih == 0 || (ih & 0xff) >= ICU_LEN || ih == 2)
panic("eisa_intr_string: bogus handle 0x%x", ih);
#if NIOAPIC > 0
if (ih & APIC_INT_VIA_APIC) {
snprintf(irqstr, sizeof irqstr, "apic %d int %d (irq %d)",
APIC_IRQ_APIC(ih), APIC_IRQ_PIN(ih), ih & 0xff);
return (irqstr);
}
#endif
snprintf(irqstr, sizeof irqstr, "irq %d", ih);
return (irqstr);
}
void *
eisa_intr_establish(eisa_chipset_tag_t ec, eisa_intr_handle_t ih, int type,
int level, int (*func)(void *), void *arg, char *what)
{
#if NIOAPIC > 0
if (ih != -1) {
if (ih != -1 && (ih & APIC_INT_VIA_APIC)) {
return (apic_intr_establish(ih, type, level, func, arg,
what));
}
}
#endif
if (ih == 0 || ih >= ICU_LEN || ih == 2)
panic("eisa_intr_establish: bogus handle 0x%x", ih);
return (isa_intr_establish(NULL, ih, type, level, func, arg, what));
}
void
eisa_intr_disestablish(eisa_chipset_tag_t ec, void *cookie)
{
return (isa_intr_disestablish(NULL, cookie));
}
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