diff options
Diffstat (limited to 'sys/amd64/isa/isa.c')
| -rw-r--r-- | sys/amd64/isa/isa.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/sys/amd64/isa/isa.c b/sys/amd64/isa/isa.c deleted file mode 100644 index 1f20226..0000000 --- a/sys/amd64/isa/isa.c +++ /dev/null @@ -1,167 +0,0 @@ -/*- - * 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. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -/*- - * Modifications for Intel architecture by Garrett A. Wollman. - * Copyright 1998 Massachusetts Institute of Technology - * - * Permission to use, copy, modify, and distribute this software and - * its documentation for any purpose and without fee is hereby - * granted, provided that both the above copyright notice and this - * permission notice appear in all copies, that both the above - * copyright notice and this permission notice appear in all - * supporting documentation, and that the name of M.I.T. not be used - * in advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. M.I.T. makes - * no representations about the suitability of this software for any - * purpose. It is provided "as is" without express or implied - * warranty. - * - * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS - * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT - * SHALL M.I.T. 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. - */ - -#include <sys/param.h> -#include <sys/bus.h> -#include <sys/kernel.h> -#include <sys/malloc.h> -#include <sys/module.h> -#include <machine/bus.h> -#include <sys/rman.h> - -#include <machine/resource.h> - -#include <isa/isavar.h> -#include <isa/isa_common.h> - -void -isa_init(device_t dev) -{ -} - -/* - * This implementation simply passes the request up to the parent - * bus, which in our case is the special i386 nexus, substituting any - * configured values if the caller defaulted. We can get away with - * this because there is no special mapping for ISA resources on an Intel - * platform. When porting this code to another architecture, it may be - * necessary to interpose a mapping layer here. - */ -struct resource * -isa_alloc_resource(device_t bus, device_t child, int type, int *rid, - u_long start, u_long end, u_long count, u_int flags) -{ - /* - * Consider adding a resource definition. - */ - int passthrough = (device_get_parent(child) != bus); - int isdefault = (start == 0UL && end == ~0UL); - struct isa_device* idev = DEVTOISA(child); - struct resource_list *rl = &idev->id_resources; - struct resource_list_entry *rle; - - if (!passthrough && !isdefault) { - rle = resource_list_find(rl, type, *rid); - if (!rle) { - if (*rid < 0) - return 0; - switch (type) { - case SYS_RES_IRQ: - if (*rid >= ISA_NIRQ) - return 0; - break; - case SYS_RES_DRQ: - if (*rid >= ISA_NDRQ) - return 0; - break; - case SYS_RES_MEMORY: - if (*rid >= ISA_NMEM) - return 0; - break; - case SYS_RES_IOPORT: - if (*rid >= ISA_NPORT) - return 0; - break; - default: - return 0; - } - resource_list_add(rl, type, *rid, start, end, count); - } - } - - return resource_list_alloc(rl, bus, child, type, rid, - start, end, count, flags); -} - -int -isa_release_resource(device_t bus, device_t child, int type, int rid, - struct resource *r) -{ - struct isa_device* idev = DEVTOISA(child); - struct resource_list *rl = &idev->id_resources; - - return resource_list_release(rl, bus, child, type, rid, r); -} - -/* - * We can't use the bus_generic_* versions of these methods because those - * methods always pass the bus param as the requesting device, and we need - * to pass the child (the i386 nexus knows about this and is prepared to - * deal). - */ -int -isa_setup_intr(device_t bus, device_t child, struct resource *r, int flags, - driver_filter_t *filter, void (*ihand)(void *), void *arg, - void **cookiep) -{ - return (BUS_SETUP_INTR(device_get_parent(bus), child, r, flags, - filter, ihand, arg, cookiep)); -} - -int -isa_teardown_intr(device_t bus, device_t child, struct resource *r, - void *cookie) -{ - return (BUS_TEARDOWN_INTR(device_get_parent(bus), child, r, cookie)); -} - -/* - * On this platform, isa can also attach to the legacy bus. - */ -DRIVER_MODULE(isa, legacy, isa_driver, isa_devclass, 0, 0); |
