109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
/* $NetBSD: pic_cpc700.c,v 1.6 2011/07/01 19:03:09 dyoung Exp $ */
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/*-
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* Copyright (c) 2007 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Tim Rightnour
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: pic_cpc700.c,v 1.6 2011/07/01 19:03:09 dyoung Exp $");
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#include <sys/param.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <machine/pio.h>
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#include <machine/intr.h>
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#include <sys/bus.h>
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#include <arch/powerpc/pic/picvar.h>
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#include <dev/ic/cpc700reg.h>
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#include <dev/ic/cpc700uic.h>
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static void cpc700_pic_enable_irq(struct pic_ops *, int, int);
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static void cpc700_pic_disable_irq(struct pic_ops *, int);
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static int cpc700_get_irq(struct pic_ops *, int);
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static void cpc700_ack_irq(struct pic_ops *, int);
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struct cpc700_ops {
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struct pic_ops pic;
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};
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struct pic_ops *
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setup_cpc700(void)
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{
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struct cpc700_ops *cpc700;
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struct pic_ops *pic;
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cpc700 = malloc(sizeof(struct cpc700_ops), M_DEVBUF, M_NOWAIT);
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KASSERT(cpc700 != NULL);
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pic = &cpc700->pic;
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pic->pic_numintrs = 32;
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pic->pic_cookie = (void *)NULL;
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pic->pic_enable_irq = cpc700_pic_enable_irq;
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pic->pic_reenable_irq = cpc700_pic_enable_irq;
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pic->pic_disable_irq = cpc700_pic_disable_irq;
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pic->pic_get_irq = cpc700_get_irq;
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pic->pic_ack_irq = cpc700_ack_irq;
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pic->pic_establish_irq = dummy_pic_establish_intr;
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strcpy(pic->pic_name, "cpc700");
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pic_add(pic);
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return pic;
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}
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static void
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cpc700_pic_enable_irq(struct pic_ops *pic, int irq, int type)
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{
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cpc700_enable_irq(irq);
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}
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static void
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cpc700_pic_disable_irq(struct pic_ops *pic, int irq)
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{
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cpc700_disable_irq(irq);
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}
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static int
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cpc700_get_irq(struct pic_ops *pic, int dummy)
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{
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int irq;
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irq = cpc700_read_irq();
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if (irq < 0)
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return 255;
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return irq;
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}
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static void
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cpc700_ack_irq(struct pic_ops *pic, int irq)
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{
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cpc700_eoi(irq);
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}
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