pic_cpc700.c revision 1.7.8.1
1 1.7.8.1 thorpej /* $NetBSD: pic_cpc700.c,v 1.7.8.1 2020/12/14 14:37:54 thorpej Exp $ */ 2 1.2 garbled 3 1.2 garbled /*- 4 1.2 garbled * Copyright (c) 2007 The NetBSD Foundation, Inc. 5 1.2 garbled * All rights reserved. 6 1.2 garbled * 7 1.2 garbled * This code is derived from software contributed to The NetBSD Foundation 8 1.2 garbled * by Tim Rightnour 9 1.2 garbled * 10 1.2 garbled * Redistribution and use in source and binary forms, with or without 11 1.2 garbled * modification, are permitted provided that the following conditions 12 1.2 garbled * are met: 13 1.2 garbled * 1. Redistributions of source code must retain the above copyright 14 1.2 garbled * notice, this list of conditions and the following disclaimer. 15 1.2 garbled * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 garbled * notice, this list of conditions and the following disclaimer in the 17 1.2 garbled * documentation and/or other materials provided with the distribution. 18 1.2 garbled * 19 1.2 garbled * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 garbled * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 garbled * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 garbled * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 garbled * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 garbled * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 garbled * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 garbled * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 garbled * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 garbled * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 garbled * POSSIBILITY OF SUCH DAMAGE. 30 1.2 garbled */ 31 1.2 garbled 32 1.2 garbled #include <sys/cdefs.h> 33 1.7.8.1 thorpej __KERNEL_RCSID(0, "$NetBSD: pic_cpc700.c,v 1.7.8.1 2020/12/14 14:37:54 thorpej Exp $"); 34 1.2 garbled 35 1.2 garbled #include <sys/param.h> 36 1.7.8.1 thorpej #include <sys/kmem.h> 37 1.2 garbled #include <sys/kernel.h> 38 1.2 garbled 39 1.2 garbled #include <machine/pio.h> 40 1.2 garbled #include <machine/intr.h> 41 1.6 dyoung #include <sys/bus.h> 42 1.2 garbled 43 1.2 garbled #include <arch/powerpc/pic/picvar.h> 44 1.2 garbled 45 1.2 garbled #include <dev/ic/cpc700reg.h> 46 1.2 garbled #include <dev/ic/cpc700uic.h> 47 1.2 garbled 48 1.2 garbled static void cpc700_pic_enable_irq(struct pic_ops *, int, int); 49 1.2 garbled static void cpc700_pic_disable_irq(struct pic_ops *, int); 50 1.3 alc static int cpc700_get_irq(struct pic_ops *, int); 51 1.2 garbled static void cpc700_ack_irq(struct pic_ops *, int); 52 1.2 garbled 53 1.2 garbled struct cpc700_ops { 54 1.2 garbled struct pic_ops pic; 55 1.2 garbled }; 56 1.2 garbled 57 1.2 garbled struct pic_ops * 58 1.2 garbled setup_cpc700(void) 59 1.2 garbled { 60 1.2 garbled struct cpc700_ops *cpc700; 61 1.2 garbled struct pic_ops *pic; 62 1.2 garbled 63 1.7.8.1 thorpej cpc700 = kmem_alloc(sizeof(struct cpc700_ops), KM_SLEEP); 64 1.2 garbled pic = &cpc700->pic; 65 1.2 garbled 66 1.2 garbled pic->pic_numintrs = 32; 67 1.2 garbled pic->pic_cookie = (void *)NULL; 68 1.2 garbled pic->pic_enable_irq = cpc700_pic_enable_irq; 69 1.2 garbled pic->pic_reenable_irq = cpc700_pic_enable_irq; 70 1.2 garbled pic->pic_disable_irq = cpc700_pic_disable_irq; 71 1.2 garbled pic->pic_get_irq = cpc700_get_irq; 72 1.2 garbled pic->pic_ack_irq = cpc700_ack_irq; 73 1.2 garbled pic->pic_establish_irq = dummy_pic_establish_intr; 74 1.2 garbled strcpy(pic->pic_name, "cpc700"); 75 1.2 garbled pic_add(pic); 76 1.2 garbled 77 1.2 garbled return pic; 78 1.2 garbled } 79 1.2 garbled 80 1.2 garbled static void 81 1.2 garbled cpc700_pic_enable_irq(struct pic_ops *pic, int irq, int type) 82 1.2 garbled { 83 1.2 garbled cpc700_enable_irq(irq); 84 1.2 garbled } 85 1.2 garbled 86 1.2 garbled static void 87 1.2 garbled cpc700_pic_disable_irq(struct pic_ops *pic, int irq) 88 1.2 garbled { 89 1.2 garbled cpc700_disable_irq(irq); 90 1.2 garbled } 91 1.2 garbled 92 1.2 garbled static int 93 1.3 alc cpc700_get_irq(struct pic_ops *pic, int dummy) 94 1.2 garbled { 95 1.2 garbled int irq; 96 1.2 garbled 97 1.2 garbled irq = cpc700_read_irq(); 98 1.2 garbled if (irq < 0) 99 1.2 garbled return 255; 100 1.2 garbled return irq; 101 1.2 garbled } 102 1.2 garbled 103 1.2 garbled static void 104 1.2 garbled cpc700_ack_irq(struct pic_ops *pic, int irq) 105 1.2 garbled { 106 1.2 garbled cpc700_eoi(irq); 107 1.2 garbled } 108
Indexes created Sat Oct 25 16:10:12 GMT 2025