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hpcioman.c revision 1.5
      1 /*	$NetBSD: hpcioman.c,v 1.5 2001/11/13 12:47:56 lukem Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999-2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: hpcioman.c,v 1.5 2001/11/13 12:47:56 lukem Exp $");
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/device.h>
     45 
     46 #include <machine/config_hook.h>
     47 #include <machine/platid.h>
     48 #include <machine/platid_mask.h>
     49 
     50 #include <machine/bus.h>
     51 #include <dev/hpc/hpciovar.h>
     52 #include <dev/hpc/hpciomanvar.h>
     53 
     54 #include "locators.h"
     55 
     56 int	hpcioman_match(struct device *, struct cfdata *, void *);
     57 void	hpcioman_attach(struct device *, struct device *, void *);
     58 int	hpcioman_print(void *, const char *);
     59 int	hpcioman_search(struct device *, struct cfdata *, void *);
     60 
     61 struct hpcioman_softc {
     62 	struct device sc_dev;
     63 };
     64 
     65 struct cfattach hpcioman_ca = {
     66 	sizeof(struct hpcioman_softc), hpcioman_match, hpcioman_attach
     67 };
     68 
     69 int
     70 hpcioman_match(struct device *parent, struct cfdata *cf, void *aux)
     71 {
     72 	struct hpcio_attach_args *haa = aux;
     73 	platid_mask_t mask;
     74 
     75 	if (strcmp(haa->haa_busname, HPCIO_BUSNAME))
     76 		return (0);
     77 	/* select platform */
     78 	mask = PLATID_DEREF(cf->cf_loc[HPCIOIFCF_PLATFORM]);
     79 
     80 	return (platid_match(&platid, &mask));
     81 }
     82 
     83 void
     84 hpcioman_attach(struct device *parent, struct device *self, void *aux)
     85 {
     86 	printf("\n");
     87 
     88 	config_search(hpcioman_search, self, aux);
     89 }
     90 
     91 int
     92 hpcioman_search(struct device *parent, struct cfdata *cf, void *aux)
     93 {
     94 	//struct hpcioman_softc *sc = (struct hpcioman_softc *)parent;
     95 	struct hpcio_attach_args *haa = aux;
     96 	struct hpcioman_attach_args hma;
     97 
     98 	/* get io chip */
     99 	hma.hma_hc = (*haa->haa_getchip)(haa->haa_sc, cf->cf_iochip);
    100 
    101 	/* interrupt mode */
    102 	hma.hma_intr_mode = HPCIO_INTR_HOLD;
    103 	if (cf->cf_level != HPCIOMANCF_LEVEL_DEFAULT) {
    104 		hma.hma_intr_mode |= HPCIO_INTR_LEVEL;
    105 		if (cf->cf_level == 0)
    106 			hma.hma_intr_mode |= HPCIO_INTR_LOW;
    107 		else
    108 			hma.hma_intr_mode |= HPCIO_INTR_HIGH;
    109 	} else {
    110 		hma.hma_intr_mode |= HPCIO_INTR_EDGE;
    111 		switch (cf->cf_edge) {
    112 		case 1:
    113 			hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
    114 			break;
    115 		case 2:
    116 			hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
    117 			break;
    118 		case 0:
    119 		case 3:
    120 		case HPCIOMANCF_EDGE_DEFAULT:
    121 			hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
    122 			hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
    123 			break;
    124 		default:
    125 			printf("%s(%d): invalid configuration, edge=%d",
    126 			    __FILE__, __LINE__, cf->cf_edge);
    127 			break;
    128 		}
    129 	}
    130 
    131 	hma.hma_type = cf->cf_type;
    132 	hma.hma_id = cf->cf_id;
    133 	hma.hma_port = cf->cf_port;
    134 	if (cf->cf_active == 0) {
    135 		hma.hma_on = 0;
    136 		hma.hma_off = 1;
    137 	} else {
    138 		hma.hma_on = 1;
    139 		hma.hma_off = 0;
    140 	}
    141 	hma.hma_initvalue = -1; /* none */
    142 	if (cf->cf_initvalue != HPCIOMANCF_INITVALUE_DEFAULT) {
    143 		if (cf->cf_initvalue == 0)
    144 			hma.hma_initvalue = hma.hma_off;
    145 		else
    146 			hma.hma_initvalue = hma.hma_on;
    147 	}
    148 
    149 	config_attach(parent, cf, &hma, hpcioman_print);
    150 
    151 	return (0);
    152 }
    153 
    154 int
    155 hpcioman_print(void *aux, const char *pnp)
    156 {
    157 	struct hpcioman_attach_args *hma = aux;
    158 	int type = hma->hma_type;
    159 
    160 	if (!pnp)  {
    161 		printf(" iochip %s, port %d, type %d, id %d",
    162 		    hma->hma_hc ? hma->hma_hc->hc_name : "not found",
    163 		    hma->hma_port, type, hma->hma_id);
    164 		if (type == CONFIG_HOOK_BUTTONEVENT ||
    165 		    type == CONFIG_HOOK_PMEVENT ||
    166 		    type == CONFIG_HOOK_EVENT) {
    167 			if (hma->hma_intr_mode & HPCIO_INTR_EDGE)
    168 				printf (", interrupt edge [%s%s]",
    169 				    (hma->hma_intr_mode&HPCIO_INTR_POSEDGE)
    170 				    ? "p" : "",
    171 				    (hma->hma_intr_mode&HPCIO_INTR_NEGEDGE)
    172 				    ? "n" : "");
    173 			else
    174 				printf (", interrupt level %s",
    175 				    (hma->hma_intr_mode&HPCIO_INTR_HIGH) ?
    176 				    "high" : "low");
    177 		}
    178 		if (hma->hma_initvalue != -1)
    179 			printf(", initial value %d", hma->hma_initvalue);
    180 		if (hma->hma_on == 0)
    181 			printf(", active low");
    182 	}
    183 
    184 	return (QUIET);
    185 }
    186