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hyper.c revision 1.14
      1 /*	$NetBSD: hyper.c,v 1.14 2002/09/27 20:30:05 thorpej Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1997,1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Ignatios Souvatzis.
      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: hyper.c,v 1.14 2002/09/27 20:30:05 thorpej Exp $");
     41 
     42 /*
     43  * zbus HyperCom driver
     44  */
     45 
     46 #include <sys/types.h>
     47 
     48 #include <sys/conf.h>
     49 #include <sys/device.h>
     50 #include <sys/systm.h>
     51 #include <sys/param.h>
     52 
     53 #include <machine/bus.h>
     54 
     55 #include <amiga/include/cpu.h>
     56 
     57 #include <amiga/amiga/device.h>
     58 #include <amiga/amiga/drcustom.h>
     59 
     60 #include <amiga/dev/supio.h>
     61 #include <amiga/dev/zbusvar.h>
     62 
     63 
     64 struct hyper_softc {
     65 	struct device sc_dev;
     66 	struct bus_space_tag sc_bst;
     67 };
     68 
     69 int hypermatch(struct device *, struct cfdata *, void *);
     70 void hyperattach(struct device *, struct device *, void *);
     71 int hyperprint(void *auxp, const char *);
     72 
     73 const struct cfattach hyper_ca = {
     74 	sizeof(struct hyper_softc), hypermatch, hyperattach
     75 };
     76 
     77 struct hyper_prods {
     78 	char *name;
     79 	unsigned baseoff;
     80 } hyperproducts [] = {
     81 	{0, 0},			/* 0: not used */
     82 	{0, 0},			/* 1: handled by aster driver */
     83 	{"4", 1},		/* 2 */
     84 	{"Z3", 0},		/* 3 */
     85 	{0, 0},			/* 4: not used */
     86 	{0, 0},			/* 5: not used */
     87 	{"4+", 0x8000},		/* 6 */
     88 	{"3+", 0x8000}		/* 7 */
     89 };
     90 
     91 int
     92 hypermatch(struct device *parent, struct cfdata *cfp, void *auxp)
     93 {
     94 
     95 	struct zbus_args *zap;
     96 
     97 	zap = auxp;
     98 
     99 	if (zap->manid != 5001)
    100 		return (0);
    101 
    102 	if (zap->prodid < sizeof(hyperproducts)/sizeof(*hyperproducts) &&
    103 	    hyperproducts[zap->prodid].name)
    104 
    105 		return (1);
    106 
    107 	return (0);
    108 }
    109 
    110 #define HYPERPROD3	(1<<3)
    111 #define HYPERPROD4	(1<<2)
    112 #define HYPERPROD4PLUS	(1<<6)
    113 #define HYPERPROD3PLUS	(1<<7)
    114 
    115 struct hyper_devs {
    116 	char *name;
    117 	unsigned off;
    118 	int arg;
    119 	u_int32_t productmask;	/* XXX only prodid 0..31 */
    120 } hyperdevices[] = {
    121 	{ "com", 0x00, 115200 * 16 * 4, HYPERPROD3 | HYPERPROD4 },
    122 	{ "com", 0x08, 115200 * 16 * 4, HYPERPROD3 | HYPERPROD4 },
    123 	{ "com", 0x10, 115200 * 16 * 4, HYPERPROD4 },
    124 	{ "com", 0x18, 115200 * 16 * 4, HYPERPROD4 },
    125 	/* not yet { "lpt", 0x40, 0, HYPERPROD3 }, */
    126 	{ "com", 0x0400, 115200 * 16 * 4, HYPERPROD3PLUS | HYPERPROD4PLUS },
    127 	{ "com", 0x0000, 115200 * 16 * 4, HYPERPROD3PLUS | HYPERPROD4PLUS },
    128 	{ "com", 0x0c00, 115200 * 16 * 4, HYPERPROD4PLUS },
    129 	{ "com", 0x1000, 115200 * 16 * 4, HYPERPROD4PLUS },
    130 	{ "lpt", 0x0800, 0, HYPERPROD3PLUS | HYPERPROD4PLUS },
    131 	{ "lpt", 0x1400, 0, HYPERPROD4PLUS },
    132 };
    133 
    134 void
    135 hyperattach(struct device *parent, struct device *self, void *auxp)
    136 {
    137 	struct hyper_softc *hprsc;
    138 	struct hyper_devs  *hprsd;
    139 	struct zbus_args *zap;
    140 	struct supio_attach_args supa;
    141 	struct hyper_prods *hprpp;
    142 
    143 	hprsc = (struct hyper_softc *)self;
    144 	zap = auxp;
    145 	hprpp = &hyperproducts[zap->prodid];
    146 
    147 	if (parent)
    148 		printf(": Hypercom %s\n", hprpp->name);
    149 
    150 	hprsc->sc_bst.base = (u_long)zap->va + hprpp->baseoff;
    151 	hprsc->sc_bst.absm = &amiga_bus_stride_4;
    152 
    153 	supa.supio_iot = &hprsc->sc_bst;
    154 	supa.supio_ipl = 6;
    155 
    156 	hprsd = hyperdevices;
    157 
    158 	while (hprsd->name) {
    159 		if (hprsd->productmask & (1 << zap->prodid)) {
    160 			supa.supio_name = hprsd->name;
    161 			supa.supio_iobase = hprsd->off;
    162 			supa.supio_arg = hprsd->arg;
    163 			config_found(self, &supa, hyperprint); /* XXX */
    164 		}
    165 		++hprsd;
    166 	}
    167 }
    168 
    169 int
    170 hyperprint(void *auxp, const char *pnp)
    171 {
    172 	struct supio_attach_args *supa;
    173 	supa = auxp;
    174 
    175 	if (pnp == NULL)
    176 		return(QUIET);
    177 
    178 	printf("%s at %s port 0x%02x",
    179 	    supa->supio_name, pnp, supa->supio_iobase);
    180 
    181 	return(UNCONF);
    182 }
    183