1 /* $NetBSD: isa_machdep_common.c,v 1.2 2007/10/17 19:56:42 garbled 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: isa_machdep_common.c,v 1.2 2007/10/17 19:56:42 garbled Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/syslog.h> 45 #include <sys/device.h> 46 47 #include <machine/pio.h> 48 #include <machine/intr.h> 49 50 #include <dev/isa/isareg.h> 51 #include <dev/isa/isavar.h> 52 53 #define IO_ELCR1 0x4d0 54 #define IO_ELCR2 0x4d1 55 56 const struct evcnt * 57 genppc_isa_intr_evcnt(isa_chipset_tag_t ic, int irq) 58 { 59 60 /* XXX for now, no evcnt parent reported */ 61 return NULL; 62 } 63 64 /* 65 * Set up an interrupt handler to start being called. 66 */ 67 void * 68 genppc_isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level, 69 int (*ih_fun)(void *), void *ih_arg) 70 { 71 72 return (void *)intr_establish(irq, type, level, ih_fun, ih_arg); 73 } 74 75 /* 76 * Deregister an interrupt handler. 77 */ 78 void 79 genppc_isa_intr_disestablish(isa_chipset_tag_t ic, void *arg) 80 { 81 82 intr_disestablish(arg); 83 } 84 85 void 86 genppc_isa_attach_hook(struct device *parent, struct device *self, 87 struct isabus_attach_args *iba) 88 { 89 90 /* Nothing to do. */ 91 } 92