1 /* $NetBSD: isa_machdep_common.c,v 1.5 2009/08/19 15:02:47 dyoung Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Tim Rightnour 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: isa_machdep_common.c,v 1.5 2009/08/19 15:02:47 dyoung Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/syslog.h> 38 #include <sys/device.h> 39 40 #include <machine/pio.h> 41 #include <machine/intr.h> 42 43 #include <dev/isa/isareg.h> 44 #include <dev/isa/isavar.h> 45 46 #define IO_ELCR1 0x4d0 47 #define IO_ELCR2 0x4d1 48 49 const struct evcnt * 50 genppc_isa_intr_evcnt(isa_chipset_tag_t ic, int irq) 51 { 52 53 /* XXX for now, no evcnt parent reported */ 54 return NULL; 55 } 56 57 /* 58 * Set up an interrupt handler to start being called. 59 */ 60 void * 61 genppc_isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level, 62 int (*ih_fun)(void *), void *ih_arg) 63 { 64 65 return (void *)intr_establish(irq, type, level, ih_fun, ih_arg); 66 } 67 68 /* 69 * Deregister an interrupt handler. 70 */ 71 void 72 genppc_isa_intr_disestablish(isa_chipset_tag_t ic, void *arg) 73 { 74 75 intr_disestablish(arg); 76 } 77 78 void 79 genppc_isa_attach_hook(struct device *parent, struct device *self, 80 struct isabus_attach_args *iba) 81 { 82 83 /* Nothing to do. */ 84 } 85 86 void 87 genppc_isa_detach_hook(isa_chipset_tag_t ic, device_t self) 88 { 89 90 /* Nothing to do. */ 91 } 92