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adb.c revision 1.27.2.1
      1 /*	$NetBSD: adb.c,v 1.27.2.1 1999/03/05 08:24:24 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/akbdvar.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_polling = 0;	/* Are we polling?  (Debugger mode) */
     67 int	adb_initted = 0;	/* adb_init() has completed successfully */
     68 #ifdef ADB_DEBUG
     69 int	adb_debug = 0;		/* Output debugging messages */
     70 #endif /* ADB_DEBUG */
     71 
     72 extern struct	mac68k_machine_S mac68k_machine;
     73 extern int	adbHardware;
     74 extern char	*adbHardwareDescr[];
     75 
     76 /*
     77  * Driver definition.
     78  */
     79 struct cfattach adb_ca = {
     80 	sizeof(struct device), adbmatch, adbattach
     81 };
     82 
     83 static int
     84 adbmatch(parent, cf, aux)
     85 	struct device *parent;
     86 	struct cfdata *cf;
     87 	void *aux;
     88 {
     89 	static int adb_matched = 0;
     90 
     91 	/* Allow only one instance. */
     92 	if (adb_matched)
     93 		return (0);
     94 
     95 	adb_matched = 1;
     96 	return (1);
     97 }
     98 
     99 static void
    100 adbattach(parent, dev, aux)
    101 	struct device *parent, *dev;
    102 	void *aux;
    103 {
    104 	ADBDataBlock adbdata;
    105 	struct adb_attach_args aa_args;
    106 	int totaladbs;
    107 	int adbindex, adbaddr;
    108 
    109 #ifdef MRG_ADB
    110 	/*
    111 	 * Even if serial console only, some models require the
    112 	 * ADB in order to get the date/time and do soft power.
    113 	 */
    114 	if ((mac68k_machine.serial_console & 0x03)) {
    115 		printf(": using serial console");
    116 		return;
    117 	}
    118 
    119 	if (!mrg_romready()) {
    120 		printf(": no ROM ADB driver in this kernel for this machine");
    121 		return;
    122 	}
    123 
    124 #ifdef ADB_DEBUG
    125 	if (adb_debug)
    126 		printf("adb: call mrg_initadbintr\n");
    127 #endif
    128 
    129 	mrg_initadbintr();	/* Mac ROM Glue okay to do ROM intr */
    130 #ifdef ADB_DEBUG
    131 	if (adb_debug)
    132 		printf("adb: returned from mrg_initadbintr\n");
    133 #endif
    134 
    135 	/* ADBReInit pre/post-processing */
    136 	JADBProc = adb_jadbproc;
    137 
    138 	/* Initialize ADB */
    139 #ifdef ADB_DEBUG
    140 	if (adb_debug)
    141 		printf("adb: calling ADBAlternateInit.\n");
    142 #endif
    143 
    144 	printf(" (mrg)  ");
    145 	ADBAlternateInit();
    146 #else
    147 	ADBReInit();
    148 	printf(" (direct, %s)", adbHardwareDescr[adbHardware]);
    149 #endif /* MRG_ADB */
    150 
    151 #ifdef ADB_DEBUG
    152 	if (adb_debug)
    153 		printf("adb: done with ADBReInit\n");
    154 #endif
    155 
    156 	totaladbs = CountADBs();
    157 
    158 	printf(": %d targets\n", totaladbs);
    159 
    160 #if NAED > 0
    161 	/* ADB event device for compatibility */
    162 	aa_args.origaddr = 0;
    163 	aa_args.adbaddr = 0;
    164 	aa_args.handler_id = 0;
    165 	(void)config_found(dev, &aa_args, adbprint);
    166 #endif
    167 
    168 	/* for each ADB device */
    169 	for (adbindex = 1; adbindex <= totaladbs; adbindex++) {
    170 		/* Get the ADB information */
    171 		adbaddr = GetIndADB(&adbdata, adbindex);
    172 
    173 		aa_args.origaddr = (int)(adbdata.origADBAddr);
    174 		aa_args.adbaddr = adbaddr;
    175 		aa_args.handler_id = (int)(adbdata.devType);
    176 
    177 		(void)config_found(dev, &aa_args, adbprint);
    178 	}
    179 }
    180 
    181 
    182 int
    183 adbprint(args, name)
    184 	void *args;
    185 	const char *name;
    186 {
    187 	struct adb_attach_args *aa_args = (struct adb_attach_args *)args;
    188 	int rv = UNCONF;
    189 
    190 	if (name) {	/* no configured device matched */
    191 		rv = UNSUPP; /* most ADB device types are unsupported */
    192 
    193 		/* print out what kind of ADB device we have found */
    194 		printf("%s addr %d: ", name, aa_args->origaddr);
    195 		switch(aa_args->origaddr) {
    196 #ifdef DIAGNOSTIC
    197 		case 0:
    198 			printf("ADB event device");
    199 			rv = UNCONF;
    200 			break;
    201 		case ADBADDR_SECURE:
    202 			printf("security dongle (%d)", aa_args->handler_id);
    203 			break;
    204 #endif
    205 		case ADBADDR_MAP:
    206 			printf("mapped device (%d)", aa_args->handler_id);
    207 			rv = UNCONF;
    208 			break;
    209 		case ADBADDR_REL:
    210 			printf("relative positioning device (%d)",
    211 			    aa_args->handler_id);
    212 			rv = UNCONF;
    213 			break;
    214 #ifdef DIAGNOSTIC
    215 		case ADBADDR_ABS:
    216 			switch (aa_args->handler_id) {
    217 			case ADB_ARTPAD:
    218 				printf("WACOM ArtPad II");
    219 				break;
    220 			default:
    221 				printf("absolute positioning device (%d)",
    222 				    aa_args->handler_id);
    223 				break;
    224 			}
    225 			break;
    226 		case ADBADDR_DATATX:
    227 			printf("data transfer device (modem?) (%d)",
    228 			    aa_args->handler_id);
    229 			break;
    230 		case ADBADDR_MISC:
    231 			switch (aa_args->handler_id) {
    232 			case ADB_POWERKEY:
    233 				printf("Sophisticated Circuits PowerKey");
    234 				break;
    235 			default:
    236 				printf("misc. device (remote control?) (%d)",
    237 				    aa_args->handler_id);
    238 				break;
    239 			}
    240 			break;
    241 		default:
    242 			printf("unknown type device, (handler %d)",
    243 			    aa_args->handler_id);
    244 			break;
    245 #endif /* DIAGNOSTIC */
    246 		}
    247 	} else		/* a device matched and was configured */
    248 		printf(" addr %d: ", aa_args->origaddr);
    249 
    250 	return (rv);
    251 }
    252