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adb.c revision 1.27.4.1
      1 /*	$NetBSD: adb.c,v 1.27.4.1 1999/11/21 15:02:46 he 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_polling = 0;	/* Are we polling?  (Debugger mode) */
     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 	adb_polling = 1;
    109 
    110 #ifdef MRG_ADB
    111 	/*
    112 	 * Even if serial console only, some models require the
    113          * ADB in order to get the date/time and do soft power.
    114 	 */
    115 	if ((mac68k_machine.serial_console & 0x03)) {
    116 		printf(": using serial console");
    117 		return;
    118 	}
    119 
    120 	if (!mrg_romready()) {
    121 		printf(": no ROM ADB driver in this kernel for this machine");
    122 		return;
    123 	}
    124 
    125 #ifdef ADB_DEBUG
    126 	if (adb_debug)
    127 		printf("adb: call mrg_initadbintr\n");
    128 #endif
    129 
    130 	mrg_initadbintr();	/* Mac ROM Glue okay to do ROM intr */
    131 #ifdef ADB_DEBUG
    132 	if (adb_debug)
    133 		printf("adb: returned from mrg_initadbintr\n");
    134 #endif
    135 
    136 	/* ADBReInit pre/post-processing */
    137 	JADBProc = adb_jadbproc;
    138 
    139 	/* Initialize ADB */
    140 #ifdef ADB_DEBUG
    141 	if (adb_debug)
    142 		printf("adb: calling ADBAlternateInit.\n");
    143 #endif
    144 
    145 	printf(" (mrg)");
    146 	ADBAlternateInit();
    147 #else
    148 	ADBReInit();
    149 	printf(" (direct, %s)", adbHardwareDescr[adbHardware]);
    150 #endif /* MRG_ADB */
    151 
    152 #ifdef ADB_DEBUG
    153 	if (adb_debug)
    154 		printf("adb: done with ADBReInit\n");
    155 #endif
    156 
    157 	totaladbs = CountADBs();
    158 
    159 	printf(": %d targets\n", totaladbs);
    160 
    161 #if NAED > 0
    162 	/* ADB event device for compatibility */
    163 	aa_args.origaddr = 0;
    164 	aa_args.adbaddr = 0;
    165 	aa_args.handler_id = 0;
    166 	(void)config_found(dev, &aa_args, adbprint);
    167 #endif
    168 
    169 	/* for each ADB device */
    170 	for (adbindex = 1; adbindex <= totaladbs; adbindex++) {
    171 		/* Get the ADB information */
    172 		adbaddr = GetIndADB(&adbdata, adbindex);
    173 
    174 		aa_args.origaddr = (int)(adbdata.origADBAddr);
    175 		aa_args.adbaddr = adbaddr;
    176 		aa_args.handler_id = (int)(adbdata.devType);
    177 
    178 		(void)config_found(dev, &aa_args, adbprint);
    179 	}
    180 	adb_polling = 0;
    181 }
    182 
    183 
    184 int
    185 adbprint(args, name)
    186         void *args;
    187         const char *name;
    188 {
    189 	struct adb_attach_args *aa_args = (struct adb_attach_args *)args;
    190 	int rv = UNCONF;
    191 
    192 	if (name) {	/* no configured device matched */
    193 		rv = UNSUPP; /* most ADB device types are unsupported */
    194 
    195 		/* print out what kind of ADB device we have found */
    196 		printf("%s addr %d: ", name, aa_args->origaddr);
    197 		switch(aa_args->origaddr) {
    198 #ifdef DIAGNOSTIC
    199 		case 0:
    200 			printf("ADB event device");
    201 			rv = UNCONF;
    202 			break;
    203 		case ADBADDR_SECURE:
    204 			printf("security dongle (%d)", aa_args->handler_id);
    205 			break;
    206 #endif
    207 		case ADBADDR_MAP:
    208 			printf("mapped device (%d)", aa_args->handler_id);
    209 			rv = UNCONF;
    210 			break;
    211 		case ADBADDR_REL:
    212 			printf("relative positioning device (%d)",
    213 			    aa_args->handler_id);
    214 			rv = UNCONF;
    215 			break;
    216 #ifdef DIAGNOSTIC
    217 		case ADBADDR_ABS:
    218 			switch (aa_args->handler_id) {
    219 			case ADB_ARTPAD:
    220 				printf("WACOM ArtPad II");
    221 				break;
    222 			default:
    223 				printf("absolute positioning device (%d)",
    224 				    aa_args->handler_id);
    225 				break;
    226 			}
    227 			break;
    228 		case ADBADDR_DATATX:
    229 			printf("data transfer device (modem?) (%d)",
    230 			    aa_args->handler_id);
    231 			break;
    232 		case ADBADDR_MISC:
    233 			switch (aa_args->handler_id) {
    234 			case ADB_POWERKEY:
    235 				printf("Sophisticated Circuits PowerKey");
    236 				break;
    237 			default:
    238 				printf("misc. device (remote control?) (%d)",
    239 				    aa_args->handler_id);
    240 				break;
    241 			}
    242 			break;
    243 		default:
    244 			printf("unknown type device, (handler %d)",
    245 			    aa_args->handler_id);
    246 			break;
    247 #endif /* DIAGNOSTIC */
    248 		}
    249 	} else		/* a device matched and was configured */
    250                 printf(" addr %d: ", aa_args->origaddr);
    251 
    252 	return (rv);
    253 }
    254