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ibus.c revision 1.6 
      1 /*	$NetBSD: ibus.c,v 1.6 2000/01/14 15:52:00 ad Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 Jonathan Stone.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Jonathan Stone for
     17  *      the NetBSD Project.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     34 __KERNEL_RCSID(0, "$NetBSD: ibus.c,v 1.6 2000/01/14 15:52:00 ad Exp $");
     35 
     36 #include <sys/param.h>
     37 #include <sys/systm.h>
     38 #include <sys/device.h>
     39 
     40 #include <pmax/ibus/ibusvar.h>
     41 
     42 #include "locators.h"
     43 
     44 extern struct cfdriver ibus_cd;
     45 
     46 static int	ibussubmatch __P((struct device *, struct cfdata *, void *));
     47 
     48 void
     49 ibusattach(parent, self, aux)
     50         struct device *parent, *self;
     51         void *aux;
     52 {
     53         struct ibus_softc *sc = (struct ibus_softc *)self;
     54 	struct ibus_dev_attach_args *ida = aux;
     55 	struct ibus_attach_args *ia;
     56         int i;
     57 
     58         printf("\n");
     59 
     60         sc->sc_intr_establish = ida->ida_establish;
     61         sc->sc_intr_disestablish = ida->ida_disestablish;
     62 
     63 	/*
     64 	 * Loop through the devices and attach them.  If a probe-size
     65 	 * is specified, it's an optional item on the platform and
     66 	 * do a badaddr() test to make sure it's there.
     67 	 */
     68 	for (i = 0; i < ida->ida_ndevs; i++) {
     69 		ia = &ida->ida_devs[i];
     70 		if (ia->ia_basz != 0 &&
     71 		    badaddr((caddr_t)ia->ia_addr, ia->ia_basz) != 0)
     72 			continue;
     73 		config_found_sm(self, ia, ibusprint, ibussubmatch);
     74 	}
     75 }
     76 
     77 static int
     78 ibussubmatch(parent, cf, aux)
     79 	struct device *parent;
     80 	struct cfdata *cf;
     81 	void *aux;
     82 {
     83 	struct ibus_attach_args *ia = aux;
     84 	paddr_t pa;
     85 
     86 	pa = MIPS_KSEG1_TO_PHYS(ia->ia_addr);
     87 
     88 	if (cf->cf_loc[IBUSCF_ADDR] != IBUSCF_ADDR_DEFAULT &&
     89 	    cf->cf_loc[IBUSCF_ADDR] != pa)
     90 		return (0);
     91 
     92 	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
     93 }
     94 
     95 int
     96 ibusprint(aux, pnp)
     97 	void *aux;
     98 	const char *pnp;
     99 {
    100 	struct ibus_attach_args *ia = aux;
    101 
    102 	if (pnp)
    103 		printf("%s at %s", ia->ia_name, pnp);
    104 
    105 	printf(" addr 0x%x", MIPS_KSEG1_TO_PHYS(ia->ia_addr));
    106 
    107 	return (UNCONF);
    108 }
    109 
    110 void
    111 ibus_intr_establish(dev, cookie, level, handler, arg)
    112 	struct device *dev;
    113 	void *cookie;
    114 	int level;
    115 	int (*handler) __P((void *));
    116 	void *arg;
    117 {
    118 	struct ibus_softc *sc = ibus_cd.cd_devs[0];
    119 
    120 	(*sc->sc_intr_establish)(dev, cookie, level, handler, arg);
    121 }
    122 
    123 void
    124 ibus_intr_disestablish(dev, arg)
    125 	struct device *dev;
    126 	void *arg;
    127 {
    128 	struct ibus_softc *sc = ibus_cd.cd_devs[0];
    129 
    130 	(*sc->sc_intr_disestablish)(dev, arg);
    131 }
    132