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adb.c revision 1.30
      1 /*	$NetBSD: adb.c,v 1.30 1999/11/07 00:12:53 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 void		adb_config_interrupts __P((struct device *));
     61 
     62 extern void	adb_jadbproc __P((void));
     63 
     64 /*
     65  * Global variables.
     66  */
     67 int	adb_polling = 0;	/* Are we polling?  (Debugger mode) */
     68 int	adb_initted = 0;	/* adb_init() has completed successfully */
     69 #ifdef ADB_DEBUG
     70 int	adb_debug = 0;		/* Output debugging messages */
     71 #endif /* ADB_DEBUG */
     72 
     73 extern struct	mac68k_machine_S mac68k_machine;
     74 extern int	adbHardware;
     75 extern char	*adbHardwareDescr[];
     76 
     77 /*
     78  * Driver definition.
     79  */
     80 struct cfattach adb_ca = {
     81 	sizeof(struct device), adbmatch, adbattach
     82 };
     83 
     84 static int
     85 adbmatch(parent, cf, aux)
     86 	struct device *parent;
     87 	struct cfdata *cf;
     88 	void *aux;
     89 {
     90 	static int adb_matched = 0;
     91 
     92 	/* Allow only one instance. */
     93 	if (adb_matched)
     94 		return (0);
     95 
     96 	adb_matched = 1;
     97 	return (1);
     98 }
     99 
    100 static void
    101 adbattach(parent, self, aux)
    102 	struct device *parent, *self;
    103 	void *aux;
    104 {
    105 	printf("\n");
    106 
    107 	/*
    108 	 * Defer configuration until interrupts are enabled.
    109 	 */
    110 	config_interrupts(self, adb_config_interrupts);
    111 }
    112 
    113 void
    114 adb_config_interrupts(self)
    115 	struct device *self;
    116 {
    117 	ADBDataBlock adbdata;
    118 	struct adb_attach_args aa_args;
    119 	int totaladbs;
    120 	int adbindex, adbaddr;
    121 
    122 	printf("%s", self->dv_xname);
    123 
    124 #ifdef MRG_ADB
    125 	/*
    126 	 * Even if serial console only, some models require the
    127          * ADB in order to get the date/time and do soft power.
    128 	 */
    129 	if ((mac68k_machine.serial_console & 0x03)) {
    130 		printf(": using serial console\n");
    131 		return;
    132 	}
    133 
    134 	if (!mrg_romready()) {
    135 		printf(": no ROM ADB driver in this kernel for this machine\n");
    136 		return;
    137 	}
    138 
    139 #ifdef ADB_DEBUG
    140 	if (adb_debug)
    141 		printf("adb: call mrg_initadbintr\n");
    142 #endif
    143 
    144 	mrg_initadbintr();	/* Mac ROM Glue okay to do ROM intr */
    145 #ifdef ADB_DEBUG
    146 	if (adb_debug)
    147 		printf("adb: returned from mrg_initadbintr\n");
    148 #endif
    149 
    150 	/* ADBReInit pre/post-processing */
    151 	JADBProc = adb_jadbproc;
    152 
    153 	/* Initialize ADB */
    154 	adb_polling = 1;
    155 #ifdef ADB_DEBUG
    156 	if (adb_debug)
    157 		printf("adb: calling ADBAlternateInit.\n");
    158 #endif
    159 
    160 	printf(" (mrg)");
    161 	ADBAlternateInit();
    162 #else
    163 	ADBReInit();
    164 	printf(" (direct, %s)", adbHardwareDescr[adbHardware]);
    165 #endif /* MRG_ADB */
    166 
    167 #ifdef ADB_DEBUG
    168 	if (adb_debug)
    169 		printf("adb: done with ADBReInit\n");
    170 #endif
    171 
    172 	totaladbs = CountADBs();
    173 
    174 	printf(": %d targets\n", totaladbs);
    175 
    176 #if NAED > 0
    177 	/* ADB event device for compatibility */
    178 	aa_args.origaddr = 0;
    179 	aa_args.adbaddr = 0;
    180 	aa_args.handler_id = 0;
    181 	(void)config_found(self, &aa_args, adbprint);
    182 #endif
    183 
    184 	/* for each ADB device */
    185 	for (adbindex = 1; adbindex <= totaladbs; adbindex++) {
    186 		/* Get the ADB information */
    187 		adbaddr = GetIndADB(&adbdata, adbindex);
    188 
    189 		aa_args.origaddr = (int)(adbdata.origADBAddr);
    190 		aa_args.adbaddr = adbaddr;
    191 		aa_args.handler_id = (int)(adbdata.devType);
    192 
    193 		(void)config_found(self, &aa_args, adbprint);
    194 	}
    195 	adb_polling = 0;
    196 }
    197 
    198 
    199 int
    200 adbprint(args, name)
    201         void *args;
    202         const char *name;
    203 {
    204 	struct adb_attach_args *aa_args = (struct adb_attach_args *)args;
    205 	int rv = UNCONF;
    206 
    207 	if (name) {	/* no configured device matched */
    208 		rv = UNSUPP; /* most ADB device types are unsupported */
    209 
    210 		/* print out what kind of ADB device we have found */
    211 		printf("%s addr %d: ", name, aa_args->origaddr);
    212 		switch(aa_args->origaddr) {
    213 #ifdef DIAGNOSTIC
    214 		case 0:
    215 			printf("ADB event device");
    216 			rv = UNCONF;
    217 			break;
    218 		case ADBADDR_SECURE:
    219 			printf("security dongle (%d)", aa_args->handler_id);
    220 			break;
    221 #endif
    222 		case ADBADDR_MAP:
    223 			printf("mapped device (%d)", aa_args->handler_id);
    224 			rv = UNCONF;
    225 			break;
    226 		case ADBADDR_REL:
    227 			printf("relative positioning device (%d)",
    228 			    aa_args->handler_id);
    229 			rv = UNCONF;
    230 			break;
    231 #ifdef DIAGNOSTIC
    232 		case ADBADDR_ABS:
    233 			switch (aa_args->handler_id) {
    234 			case ADB_ARTPAD:
    235 				printf("WACOM ArtPad II");
    236 				break;
    237 			default:
    238 				printf("absolute positioning device (%d)",
    239 				    aa_args->handler_id);
    240 				break;
    241 			}
    242 			break;
    243 		case ADBADDR_DATATX:
    244 			printf("data transfer device (modem?) (%d)",
    245 			    aa_args->handler_id);
    246 			break;
    247 		case ADBADDR_MISC:
    248 			switch (aa_args->handler_id) {
    249 			case ADB_POWERKEY:
    250 				printf("Sophisticated Circuits PowerKey");
    251 				break;
    252 			default:
    253 				printf("misc. device (remote control?) (%d)",
    254 				    aa_args->handler_id);
    255 				break;
    256 			}
    257 			break;
    258 		default:
    259 			printf("unknown type device, (handler %d)",
    260 			    aa_args->handler_id);
    261 			break;
    262 #endif /* DIAGNOSTIC */
    263 		}
    264 	} else		/* a device matched and was configured */
    265                 printf(" addr %d: ", aa_args->origaddr);
    266 
    267 	return (rv);
    268 }
    269