pic_cpc700.c revision 1.2.22.1
1 1.2.22.1 mjf /* $NetBSD: pic_cpc700.c,v 1.2.22.1 2008/06/02 13:22:04 mjf 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 1.2.22.1 mjf __KERNEL_RCSID(0, "$NetBSD: pic_cpc700.c,v 1.2.22.1 2008/06/02 13:22:04 mjf Exp $"); 34 1.2 garbled 35 1.2 garbled #include <sys/param.h> 36 1.2 garbled #include <sys/malloc.h> 37 1.2 garbled #include <sys/kernel.h> 38 1.2 garbled 39 1.2 garbled #include <uvm/uvm_extern.h> 40 1.2 garbled 41 1.2 garbled #include <machine/pio.h> 42 1.2 garbled #include <machine/intr.h> 43 1.2 garbled #include <machine/bus.h> 44 1.2 garbled 45 1.2 garbled #include <arch/powerpc/pic/picvar.h> 46 1.2 garbled 47 1.2 garbled #include <dev/ic/cpc700reg.h> 48 1.2 garbled #include <dev/ic/cpc700uic.h> 49 1.2 garbled 50 1.2 garbled static void cpc700_pic_enable_irq(struct pic_ops *, int, int); 51 1.2 garbled static void cpc700_pic_disable_irq(struct pic_ops *, int); 52 1.2.22.1 mjf static int cpc700_get_irq(struct pic_ops *, int); 53 1.2 garbled static void cpc700_ack_irq(struct pic_ops *, int); 54 1.2 garbled 55 1.2 garbled struct cpc700_ops { 56 1.2 garbled struct pic_ops pic; 57 1.2 garbled }; 58 1.2 garbled 59 1.2 garbled struct pic_ops * 60 1.2 garbled setup_cpc700(void) 61 1.2 garbled { 62 1.2 garbled struct cpc700_ops *cpc700; 63 1.2 garbled struct pic_ops *pic; 64 1.2 garbled 65 1.2 garbled cpc700 = malloc(sizeof(struct cpc700_ops), M_DEVBUF, M_NOWAIT); 66 1.2 garbled KASSERT(cpc700 != NULL); 67 1.2 garbled pic = &cpc700->pic; 68 1.2 garbled 69 1.2 garbled pic->pic_numintrs = 32; 70 1.2 garbled pic->pic_cookie = (void *)NULL; 71 1.2 garbled pic->pic_enable_irq = cpc700_pic_enable_irq; 72 1.2 garbled pic->pic_reenable_irq = cpc700_pic_enable_irq; 73 1.2 garbled pic->pic_disable_irq = cpc700_pic_disable_irq; 74 1.2 garbled pic->pic_get_irq = cpc700_get_irq; 75 1.2 garbled pic->pic_ack_irq = cpc700_ack_irq; 76 1.2 garbled pic->pic_establish_irq = dummy_pic_establish_intr; 77 1.2 garbled strcpy(pic->pic_name, "cpc700"); 78 1.2 garbled pic_add(pic); 79 1.2 garbled 80 1.2 garbled return pic; 81 1.2 garbled } 82 1.2 garbled 83 1.2 garbled static void 84 1.2 garbled cpc700_pic_enable_irq(struct pic_ops *pic, int irq, int type) 85 1.2 garbled { 86 1.2 garbled cpc700_enable_irq(irq); 87 1.2 garbled } 88 1.2 garbled 89 1.2 garbled static void 90 1.2 garbled cpc700_pic_disable_irq(struct pic_ops *pic, int irq) 91 1.2 garbled { 92 1.2 garbled cpc700_disable_irq(irq); 93 1.2 garbled } 94 1.2 garbled 95 1.2 garbled static int 96 1.2.22.1 mjf cpc700_get_irq(struct pic_ops *pic, int dummy) 97 1.2 garbled { 98 1.2 garbled int irq; 99 1.2 garbled 100 1.2 garbled irq = cpc700_read_irq(); 101 1.2 garbled if (irq < 0) 102 1.2 garbled return 255; 103 1.2 garbled return irq; 104 1.2 garbled } 105 1.2 garbled 106 1.2 garbled static void 107 1.2 garbled cpc700_ack_irq(struct pic_ops *pic, int irq) 108 1.2 garbled { 109 1.2 garbled cpc700_eoi(irq); 110 1.2 garbled } 111
Indexes created Sun Oct 26 21:10:03 GMT 2025