freebsd-skq/sys/alpha/isa/isavar.h
John Baldwin 7b7f33c4c3 Handle PCI devices that actually use an ISA IRQ for the cia and tsunami
chipsets.  An example of this is the USB controller on these chipsets.
With this, I can now use USB devices on the test Alpha I am borrowing at
the moment.

Reviewed by:	dfr, obrien
2000-05-10 18:54:28 +00:00

43 lines
2.0 KiB
C

/*-
* Copyright (c) 1998 Doug Rabson
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
/*
* Export low-level interrupt handling code for chipsets which route
* interrupts via the ISA interrupt controller.
*/
void isa_init_intr(void);
struct resource *isa_alloc_intr(device_t bus, device_t child, int irq);
struct resource *isa_alloc_intrs(device_t bus, device_t child, u_long start,
u_long end);
int isa_release_intr(device_t bus, device_t child, struct resource *r);
int isa_setup_intr(device_t dev, device_t child,
struct resource *irq, int flags,
driver_intr_t *intr, void *arg, void **cookiep);
int isa_teardown_intr(device_t dev, device_t child, struct resource *irq,
void *cookie);