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adb.c revision 1.28
      1 /*	$NetBSD: adb.c,v 1.28 1999/11/05 18:08:02 scottr Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1994	Bradley A. Grantham
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Bradley A. Grantham.
     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
     30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include "opt_adb.h"
     34 
     35 #include <sys/param.h>
     36 #include <sys/device.h>
     37 #include <sys/fcntl.h>
     38 #include <sys/poll.h>
     39 #include <sys/select.h>
     40 #include <sys/proc.h>
     41 #include <sys/signalvar.h>
     42 #include <sys/systm.h>
     43 
     44 #include <machine/autoconf.h>
     45 #include <machine/cpu.h>
     46 
     47 #include <mac68k/mac68k/macrom.h>
     48 #include <mac68k/dev/adbvar.h>
     49 #include <mac68k/dev/itevar.h>
     50 #include <mac68k/dev/kbdvar.h>
     51 
     52 #include "aed.h"		/* ADB Event Device for compatibility */
     53 
     54 /*
     55  * Function declarations.
     56  */
     57 static int	adbmatch __P((struct device *, struct cfdata *, void *));
     58 static void	adbattach __P((struct device *, struct device *, void *));
     59 static int	adbprint __P((void *, const char *));
     60 
     61 extern void	adb_jadbproc __P((void));
     62 
     63 /*
     64  * Global variables.
     65  */
     66 int	adb_initted = 0;	/* adb_init() has completed successfully */
     67 #ifdef ADB_DEBUG
     68 int	adb_debug = 0;		/* Output debugging messages */
     69 #endif /* ADB_DEBUG */
     70 
     71 extern struct	mac68k_machine_S mac68k_machine;
     72 extern int	adbHardware;
     73 extern char	*adbHardwareDescr[];
     74 
     75 /*
     76  * Driver definition.
     77  */
     78 struct cfattach adb_ca = {
     79 	sizeof(struct device), adbmatch, adbattach
     80 };
     81 
     82 static int
     83 adbmatch(parent, cf, aux)
     84 	struct device *parent;
     85 	struct cfdata *cf;
     86 	void *aux;
     87 {
     88 	static int adb_matched = 0;
     89 
     90 	/* Allow only one instance. */
     91 	if (adb_matched)
     92 		return (0);
     93 
     94 	adb_matched = 1;
     95 	return (1);
     96 }
     97 
     98 static void
     99 adbattach(parent, dev, aux)
    100 	struct device *parent, *dev;
    101 	void *aux;
    102 {
    103 	ADBDataBlock adbdata;
    104 	struct adb_attach_args aa_args;
    105 	int totaladbs;
    106 	int adbindex, adbaddr;
    107 
    108 #ifdef MRG_ADB
    109 	/*
    110 	 * Even if serial console only, some models require the
    111          * ADB in order to get the date/time and do soft power.
    112 	 */
    113 	if ((mac68k_machine.serial_console & 0x03)) {
    114 		printf(": using serial console");
    115 		return;
    116 	}
    117 
    118 	if (!mrg_romready()) {
    119 		printf(": no ROM ADB driver in this kernel for this machine");
    120 		return;
    121 	}
    122 
    123 #ifdef ADB_DEBUG
    124 	if (adb_debug)
    125 		printf("adb: call mrg_initadbintr\n");
    126 #endif
    127 
    128 	mrg_initadbintr();	/* Mac ROM Glue okay to do ROM intr */
    129 #ifdef ADB_DEBUG
    130 	if (adb_debug)
    131 		printf("adb: returned from mrg_initadbintr\n");
    132 #endif
    133 
    134 	/* ADBReInit pre/post-processing */
    135 	JADBProc = adb_jadbproc;
    136 
    137 	/* Initialize ADB */
    138 #ifdef ADB_DEBUG
    139 	if (adb_debug)
    140 		printf("adb: calling ADBAlternateInit.\n");
    141 #endif
    142 
    143 	printf(" (mrg)");
    144 	ADBAlternateInit();
    145 #else
    146 	ADBReInit();
    147 	printf(" (direct, %s)", adbHardwareDescr[adbHardware]);
    148 #endif /* MRG_ADB */
    149 
    150 #ifdef ADB_DEBUG
    151 	if (adb_debug)
    152 		printf("adb: done with ADBReInit\n");
    153 #endif
    154 
    155 	totaladbs = CountADBs();
    156 
    157 	printf(": %d targets\n", totaladbs);
    158 
    159 #if NAED > 0
    160 	/* ADB event device for compatibility */
    161 	aa_args.origaddr = 0;
    162 	aa_args.adbaddr = 0;
    163 	aa_args.handler_id = 0;
    164 	(void)config_found(dev, &aa_args, adbprint);
    165 #endif
    166 
    167 	/* for each ADB device */
    168 	for (adbindex = 1; adbindex <= totaladbs; adbindex++) {
    169 		/* Get the ADB information */
    170 		adbaddr = GetIndADB(&adbdata, adbindex);
    171 
    172 		aa_args.origaddr = (int)(adbdata.origADBAddr);
    173 		aa_args.adbaddr = adbaddr;
    174 		aa_args.handler_id = (int)(adbdata.devType);
    175 
    176 		(void)config_found(dev, &aa_args, adbprint);
    177 	}
    178 }
    179 
    180 
    181 int
    182 adbprint(args, name)
    183         void *args;
    184         const char *name;
    185 {
    186 	struct adb_attach_args *aa_args = (struct adb_attach_args *)args;
    187 	int rv = UNCONF;
    188 
    189 	if (name) {	/* no configured device matched */
    190 		rv = UNSUPP; /* most ADB device types are unsupported */
    191 
    192 		/* print out what kind of ADB device we have found */
    193 		printf("%s addr %d: ", name, aa_args->origaddr);
    194 		switch(aa_args->origaddr) {
    195 #ifdef DIAGNOSTIC
    196 		case 0:
    197 			printf("ADB event device");
    198 			rv = UNCONF;
    199 			break;
    200 		case ADBADDR_SECURE:
    201 			printf("security dongle (%d)", aa_args->handler_id);
    202 			break;
    203 #endif
    204 		case ADBADDR_MAP:
    205 			printf("mapped device (%d)", aa_args->handler_id);
    206 			rv = UNCONF;
    207 			break;
    208 		case ADBADDR_REL:
    209 			printf("relative positioning device (%d)",
    210 			    aa_args->handler_id);
    211 			rv = UNCONF;
    212 			break;
    213 #ifdef DIAGNOSTIC
    214 		case ADBADDR_ABS:
    215 			switch (aa_args->handler_id) {
    216 			case ADB_ARTPAD:
    217 				printf("WACOM ArtPad II");
    218 				break;
    219 			default:
    220 				printf("absolute positioning device (%d)",
    221 				    aa_args->handler_id);
    222 				break;
    223 			}
    224 			break;
    225 		case ADBADDR_DATATX:
    226 			printf("data transfer device (modem?) (%d)",
    227 			    aa_args->handler_id);
    228 			break;
    229 		case ADBADDR_MISC:
    230 			switch (aa_args->handler_id) {
    231 			case ADB_POWERKEY:
    232 				printf("Sophisticated Circuits PowerKey");
    233 				break;
    234 			default:
    235 				printf("misc. device (remote control?) (%d)",
    236 				    aa_args->handler_id);
    237 				break;
    238 			}
    239 			break;
    240 		default:
    241 			printf("unknown type device, (handler %d)",
    242 			    aa_args->handler_id);
    243 			break;
    244 #endif /* DIAGNOSTIC */
    245 		}
    246 	} else		/* a device matched and was configured */
    247                 printf(" addr %d: ", aa_args->origaddr);
    248 
    249 	return (rv);
    250 }
    251