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clockport_common.c revision 1.1.2.2
      1  1.1.2.2  yamt /*      $NetBSD: clockport_common.c,v 1.1.2.2 2012/05/23 10:07:40 yamt Exp $ */
      2  1.1.2.2  yamt 
      3  1.1.2.2  yamt /*-
      4  1.1.2.2  yamt  * Copyright (c) 2012 The NetBSD Foundation, Inc.
      5  1.1.2.2  yamt  * All rights reserved.
      6  1.1.2.2  yamt  *
      7  1.1.2.2  yamt  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1.2.2  yamt  * by Radoslaw Kujawa.
      9  1.1.2.2  yamt  *
     10  1.1.2.2  yamt  * Redistribution and use in source and binary forms, with or without
     11  1.1.2.2  yamt  * modification, are permitted provided that the following conditions
     12  1.1.2.2  yamt  * are met:
     13  1.1.2.2  yamt  * 1. Redistributions of source code must retain the above copyright
     14  1.1.2.2  yamt  *    notice, this list of conditions and the following disclaimer.
     15  1.1.2.2  yamt  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1.2.2  yamt  *    notice, this list of conditions and the following disclaimer in the
     17  1.1.2.2  yamt  *    documentation and/or other materials provided with the distribution.
     18  1.1.2.2  yamt  *
     19  1.1.2.2  yamt  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1.2.2  yamt  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1.2.2  yamt  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1.2.2  yamt  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1.2.2  yamt  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1.2.2  yamt  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1.2.2  yamt  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1.2.2  yamt  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1.2.2  yamt  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1.2.2  yamt  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1.2.2  yamt  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1.2.2  yamt  */
     31  1.1.2.2  yamt 
     32  1.1.2.2  yamt /*
     33  1.1.2.2  yamt  * Routines for generic clockports, shared among all backend drivers.
     34  1.1.2.2  yamt  * TODO: implement clockport_intr_disestablish.
     35  1.1.2.2  yamt  */
     36  1.1.2.2  yamt 
     37  1.1.2.2  yamt #include <sys/cdefs.h>
     38  1.1.2.2  yamt 
     39  1.1.2.2  yamt #include <sys/systm.h>
     40  1.1.2.2  yamt #include <sys/types.h>
     41  1.1.2.2  yamt #include <sys/bus.h>
     42  1.1.2.2  yamt #include <sys/kmem.h>
     43  1.1.2.2  yamt 
     44  1.1.2.2  yamt #include <machine/cpu.h>
     45  1.1.2.2  yamt 
     46  1.1.2.2  yamt #include <amiga/clockport/clockportvar.h>
     47  1.1.2.2  yamt 
     48  1.1.2.2  yamt #define CLOCKPORT_GENERIC_IPL		6
     49  1.1.2.2  yamt 
     50  1.1.2.2  yamt void *
     51  1.1.2.2  yamt clockport_generic_intr_establish(int (*isr)(void *), void *arg)
     52  1.1.2.2  yamt {
     53  1.1.2.2  yamt 	struct isr *sc_isr;
     54  1.1.2.2  yamt 
     55  1.1.2.2  yamt 	sc_isr = kmem_alloc(sizeof(struct isr), KM_SLEEP);
     56  1.1.2.2  yamt 
     57  1.1.2.2  yamt 	sc_isr->isr_intr = isr;
     58  1.1.2.2  yamt 	sc_isr->isr_arg = arg;
     59  1.1.2.2  yamt 	sc_isr->isr_ipl = CLOCKPORT_GENERIC_IPL;
     60  1.1.2.2  yamt 
     61  1.1.2.2  yamt 	add_isr(sc_isr);
     62  1.1.2.2  yamt 
     63  1.1.2.2  yamt 	return sc_isr;
     64  1.1.2.2  yamt }
     65  1.1.2.2  yamt 
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