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ioblix_zbus.c revision 1.13.78.1
      1  1.13.78.1     yamt /*	$NetBSD: ioblix_zbus.c,v 1.13.78.1 2008/05/16 02:21:52 yamt Exp $ */
      2        1.2       is 
      3        1.1       is /*-
      4        1.1       is  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5        1.1       is  * All rights reserved.
      6        1.1       is  *
      7        1.1       is  * This code is derived from software contributed to The NetBSD Foundation
      8        1.1       is  * by Ignatios Souvatzis.
      9        1.1       is  *
     10        1.1       is  * Redistribution and use in source and binary forms, with or without
     11        1.1       is  * modification, are permitted provided that the following conditions
     12        1.1       is  * are met:
     13        1.1       is  * 1. Redistributions of source code must retain the above copyright
     14        1.1       is  *    notice, this list of conditions and the following disclaimer.
     15        1.1       is  * 2. Redistributions in binary form must reproduce the above copyright
     16        1.1       is  *    notice, this list of conditions and the following disclaimer in the
     17        1.1       is  *    documentation and/or other materials provided with the distribution.
     18        1.1       is  *
     19        1.1       is  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20        1.1       is  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21        1.1       is  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22        1.1       is  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23        1.1       is  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24        1.1       is  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25        1.1       is  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26        1.1       is  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27        1.1       is  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28        1.1       is  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29        1.1       is  * POSSIBILITY OF SUCH DAMAGE.
     30        1.1       is  */
     31        1.6  aymeric 
     32        1.6  aymeric #include <sys/cdefs.h>
     33  1.13.78.1     yamt __KERNEL_RCSID(0, "$NetBSD: ioblix_zbus.c,v 1.13.78.1 2008/05/16 02:21:52 yamt Exp $");
     34        1.1       is 
     35        1.1       is /* IOBlix Zorro driver */
     36        1.1       is /* XXX to be done: we need to probe the com clock speed! */
     37        1.1       is 
     38        1.1       is #include <sys/types.h>
     39        1.1       is 
     40        1.1       is #include <sys/conf.h>
     41        1.1       is #include <sys/device.h>
     42        1.1       is #include <sys/systm.h>
     43        1.1       is #include <sys/param.h>
     44        1.1       is 
     45        1.1       is #include <machine/bus.h>
     46        1.1       is 
     47        1.1       is #include <amiga/include/cpu.h>
     48        1.1       is 
     49        1.1       is #include <amiga/amiga/device.h>
     50        1.1       is #include <amiga/amiga/drcustom.h>
     51        1.1       is 
     52        1.1       is #include <amiga/dev/supio.h>
     53        1.1       is #include <amiga/dev/zbusvar.h>
     54        1.1       is 
     55        1.1       is 
     56        1.1       is struct iobz_softc {
     57        1.1       is 	struct device sc_dev;
     58        1.1       is 	struct bus_space_tag sc_bst;
     59        1.1       is };
     60        1.1       is 
     61        1.4  aymeric int iobzmatch(struct device *, struct cfdata *, void *);
     62        1.4  aymeric void iobzattach(struct device *, struct device *, void *);
     63        1.4  aymeric int iobzprint(void *auxp, const char *);
     64        1.5       is void iobz_shutdown(void *);
     65        1.1       is 
     66        1.9  thorpej CFATTACH_DECL(iobl_zbus, sizeof(struct iobz_softc),
     67        1.9  thorpej     iobzmatch, iobzattach, NULL, NULL);
     68        1.1       is 
     69        1.1       is int
     70        1.4  aymeric iobzmatch(struct device *parent, struct cfdata *cfp, void *auxp)
     71        1.1       is {
     72        1.1       is 
     73        1.1       is 	struct zbus_args *zap;
     74        1.1       is 
     75        1.1       is 	zap = auxp;
     76        1.1       is 
     77        1.1       is 	if (zap->manid != 4711)
     78        1.1       is 		return (0);
     79        1.1       is 
     80        1.1       is 	if (zap->prodid != 1)
     81        1.1       is 		return (0);
     82        1.1       is 
     83        1.1       is 	return (1);
     84        1.1       is }
     85        1.1       is 
     86        1.1       is struct iobz_devs {
     87       1.12      jmc 	const char *name;
     88        1.1       is 	unsigned off;
     89        1.1       is 	int arg;
     90        1.1       is } iobzdevices[] = {
     91        1.3       is 	{ "com", 0x100, 24000000 },	/* XXX see below */
     92        1.1       is 	{ "com", 0x108, 24000000 },
     93        1.1       is 	{ "com", 0x110, 24000000 },
     94        1.1       is 	{ "com", 0x118, 24000000 },
     95        1.1       is 	{ "lpt", 0x200, 0 },
     96        1.1       is 	{ "lpt", 0x300, 0 },
     97        1.1       is 	{ 0, 0, 0}
     98        1.1       is };
     99        1.1       is 
    100        1.3       is #ifndef IOBZCLOCK
    101        1.3       is #define IOBZCLOCK 22118400;
    102        1.3       is #endif
    103        1.3       is int iobzclock = IOBZCLOCK;		/* patchable! */
    104        1.1       is 
    105        1.1       is void
    106        1.4  aymeric iobzattach(struct device *parent, struct device *self, void *auxp)
    107        1.1       is {
    108        1.1       is 	struct iobz_softc *iobzsc;
    109        1.1       is 	struct iobz_devs  *iobzd;
    110        1.1       is 	struct zbus_args *zap;
    111        1.1       is 	struct supio_attach_args supa;
    112        1.1       is 	extern const struct amiga_bus_space_methods amiga_bus_stride_16;
    113        1.1       is 	volatile u_int8_t *p;
    114        1.1       is 
    115        1.1       is 
    116        1.1       is 	iobzsc = (struct iobz_softc *)self;
    117        1.1       is 	zap = auxp;
    118        1.1       is 
    119        1.1       is 	if (parent)
    120        1.1       is 		printf("\n");
    121        1.1       is 
    122        1.1       is 	iobzsc->sc_bst.base = (u_long)zap->va;
    123        1.1       is 	iobzsc->sc_bst.absm = &amiga_bus_stride_16;
    124        1.1       is 
    125        1.1       is 	supa.supio_iot = &iobzsc->sc_bst;
    126        1.1       is 	supa.supio_ipl = 6;
    127        1.1       is 
    128        1.1       is 	iobzd = iobzdevices;
    129        1.1       is 
    130        1.1       is 	while (iobzd->name) {
    131        1.1       is 		supa.supio_name = iobzd->name;
    132        1.1       is 		supa.supio_iobase = iobzd->off;
    133        1.3       is 		supa.supio_arg = iobzclock /* XXX iobzd->arg */;
    134        1.1       is 		config_found(self, &supa, iobzprint); /* XXX */
    135        1.1       is 		++iobzd;
    136        1.1       is 	}
    137        1.1       is 
    138        1.1       is 	p = (volatile u_int8_t *)zap->va + 2;
    139       1.12      jmc 	(void)shutdownhook_establish(iobz_shutdown, __UNVOLATILE(p));
    140        1.1       is 	*p = ((*p) & 0x1F) | 0x80;
    141        1.1       is }
    142        1.1       is 
    143        1.1       is int
    144        1.4  aymeric iobzprint(void *auxp, const char *pnp)
    145        1.1       is {
    146        1.1       is 	struct supio_attach_args *supa;
    147        1.1       is 	supa = auxp;
    148        1.1       is 
    149        1.1       is 	if (pnp == NULL)
    150        1.1       is 		return(QUIET);
    151        1.1       is 
    152       1.10  thorpej 	aprint_normal("%s at %s port 0x%02x",
    153        1.1       is 	    supa->supio_name, pnp, supa->supio_iobase);
    154        1.1       is 
    155        1.1       is 	return(UNCONF);
    156        1.5       is }
    157        1.5       is 
    158        1.5       is /*
    159       1.11      wiz  * Disable board interrupts at shutdown time.
    160        1.5       is  */
    161        1.5       is 
    162        1.5       is void
    163        1.5       is iobz_shutdown(void *p) {
    164        1.5       is 	volatile int8_t *q;
    165        1.5       is 
    166        1.5       is 	q = p;
    167        1.5       is 
    168        1.5       is 	*q &= 0x1F;
    169        1.1       is }
    170