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akbd.c revision 1.1
      1 /*	$NetBSD: akbd.c,v 1.1 1998/10/13 11:21:21 tsubai Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1998	Colin Wood
      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 Colin Wood.
     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 <sys/param.h>
     34 #include <sys/device.h>
     35 #include <sys/fcntl.h>
     36 #include <sys/poll.h>
     37 #include <sys/select.h>
     38 #include <sys/proc.h>
     39 #include <sys/signalvar.h>
     40 #include <sys/systm.h>
     41 
     42 #include <machine/autoconf.h>
     43 
     44 #include <macppc/dev/adbvar.h>
     45 #include <macppc/dev/aedvar.h>
     46 #include <macppc/dev/akbdvar.h>
     47 #include <macppc/dev/amsvar.h>
     48 
     49 /*
     50  * Function declarations.
     51  */
     52 static int	kbdmatch __P((struct device *, struct cfdata *, void *));
     53 static void	kbdattach __P((struct device *, struct device *, void *));
     54 void		kbd_adbcomplete __P((caddr_t buffer, caddr_t data_area, int adb_command));
     55 static void	kbd_processevent __P((adb_event_t *event, struct kbd_softc *));
     56 #ifdef notyet
     57 static u_char	getleds __P((int));
     58 static int	setleds __P((struct kbd_softc *, u_char));
     59 static void	blinkleds __P((struct kbd_softc *));
     60 #endif
     61 
     62 /*
     63  * Local variables.
     64  */
     65 static volatile int kbd_done;  /* Did ADBOp() complete? */
     66 
     67 /* Driver definition. */
     68 struct cfattach akbd_ca = {
     69 	sizeof(struct kbd_softc), kbdmatch, kbdattach
     70 };
     71 
     72 extern struct cfdriver kbd_cd;
     73 
     74 static int
     75 kbdmatch(parent, cf, aux)
     76 	struct device *parent;
     77 	struct cfdata *cf;
     78 	void   *aux;
     79 {
     80 	struct adb_attach_args *aa_args = (struct adb_attach_args *)aux;
     81 
     82 	if (aa_args->origaddr == ADBADDR_KBD)
     83 		return 1;
     84 	else
     85 		return 0;
     86 }
     87 
     88 static void
     89 kbdattach(parent, self, aux)
     90 	struct device *parent, *self;
     91 	void   *aux;
     92 {
     93 	ADBSetInfoBlock adbinfo;
     94 	struct kbd_softc *sc = (struct kbd_softc *)self;
     95 	struct adb_attach_args *aa_args = (struct adb_attach_args *)aux;
     96 	int count, error;
     97 	short cmd;
     98 	u_char buffer[9];
     99 
    100 	sc->origaddr = aa_args->origaddr;
    101 	sc->adbaddr = aa_args->adbaddr;
    102 	sc->handler_id = aa_args->handler_id;
    103 
    104 	sc->sc_leds = (u_int8_t)0x00;	/* initially off */
    105 
    106 	adbinfo.siServiceRtPtr = (Ptr)kbd_adbcomplete;
    107 	adbinfo.siDataAreaAddr = (caddr_t)sc;
    108 
    109 	switch (sc->handler_id) {
    110 	case ADB_STDKBD:
    111 		printf("standard keyboard\n");
    112 		break;
    113 	case ADB_ISOKBD:
    114 		printf("standard keyboard (ISO layout)\n");
    115 		break;
    116 	case ADB_EXTKBD:
    117 		kbd_done = 0;
    118 		cmd = (((sc->adbaddr << 4) & 0xf0) | 0x0d ); /* talk R1 */
    119 		ADBOp((Ptr)buffer, (Ptr)extdms_complete,
    120 		    (Ptr)&kbd_done, cmd);
    121 
    122 		/* Wait until done, but no more than 2 secs */
    123 		count = 40000;
    124 		while (!kbd_done && count-- > 0)
    125 			delay(50);
    126 
    127 		/* Ignore Logitech MouseMan/Trackman pseudo keyboard */
    128 		if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x20) {
    129 			printf("Mouseman (non-EMP) pseudo keyboard\n");
    130 			adbinfo.siServiceRtPtr = (Ptr)0;
    131 			adbinfo.siDataAreaAddr = (Ptr)0;
    132 		} else if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x21) {
    133 			printf("Trackman (non-EMP) pseudo keyboard\n");
    134 			adbinfo.siServiceRtPtr = (Ptr)0;
    135 			adbinfo.siDataAreaAddr = (Ptr)0;
    136 		} else {
    137 			printf("extended keyboard\n");
    138 #ifdef notyet
    139 			blinkleds(sc);
    140 #endif
    141 		}
    142 		break;
    143 	case ADB_EXTISOKBD:
    144 		printf("extended keyboard (ISO layout)\n");
    145 #ifdef notyet
    146 		blinkleds(sc);
    147 #endif
    148 		break;
    149 	case ADB_KBDII:
    150 		printf("keyboard II\n");
    151 		break;
    152 	case ADB_ISOKBDII:
    153 		printf("keyboard II (ISO layout)\n");
    154 		break;
    155 	case ADB_PBKBD:
    156 		printf("PowerBook keyboard\n");
    157 		break;
    158 	case ADB_PBISOKBD:
    159 		printf("PowerBook keyboard (ISO layout)\n");
    160 		break;
    161 	case ADB_ADJKPD:
    162 		printf("adjustable keypad\n");
    163 		break;
    164 	case ADB_ADJKBD:
    165 		printf("adjustable keyboard\n");
    166 		break;
    167 	case ADB_ADJISOKBD:
    168 		printf("adjustable keyboard (ISO layout)\n");
    169 		break;
    170 	case ADB_ADJJAPKBD:
    171 		printf("adjustable keyboard (Japanese layout)\n");
    172 		break;
    173 	case ADB_PBEXTISOKBD:
    174 		printf("PowerBook extended keyboard (ISO layout)\n");
    175 		break;
    176 	case ADB_PBEXTJAPKBD:
    177 		printf("PowerBook extended keyboard (Japanese layout)\n");
    178 		break;
    179 	case ADB_JISKBDII:
    180 		printf("keyboard II (Japanese layout)\n");
    181 		break;
    182 	case ADB_PBEXTKBD:
    183 		printf("PowerBook extended keyboard\n");
    184 		break;
    185 	case ADB_DESIGNKBD:
    186 		printf("extended keyboard\n");
    187 #ifdef notyet
    188 		blinkleds(sc);
    189 #endif
    190 		break;
    191 	default:
    192 		printf("mapped device (%d)\n", sc->handler_id);
    193 		break;
    194 	}
    195 	error = SetADBInfo(&adbinfo, sc->adbaddr);
    196 #ifdef ADB_DEBUG
    197 	if (adb_debug)
    198 		printf("kbd: returned %d from SetADBInfo\n", error);
    199 #endif
    200 	return;
    201 }
    202 
    203 
    204 /*
    205  * Handle putting the keyboard data received from the ADB into
    206  * an ADB event record.
    207  */
    208 void
    209 kbd_adbcomplete(buffer, data_area, adb_command)
    210 	caddr_t buffer;
    211 	caddr_t data_area;
    212 	int adb_command;
    213 {
    214 	adb_event_t event;
    215 	struct kbd_softc *ksc;
    216 	int adbaddr;
    217 #ifdef ADB_DEBUG
    218 	int i;
    219 
    220 	if (adb_debug)
    221 		printf("adb: transaction completion\n");
    222 #endif
    223 
    224 	adbaddr = (adb_command & 0xf0) >> 4;
    225 	ksc = (struct kbd_softc *)data_area;
    226 
    227 	event.addr = adbaddr;
    228 	event.hand_id = ksc->handler_id;
    229 	event.def_addr = ksc->origaddr;
    230 	event.byte_count = buffer[0];
    231 	memcpy(event.bytes, buffer + 1, event.byte_count);
    232 
    233 #ifdef ADB_DEBUG
    234 	if (adb_debug) {
    235 		printf("kbd: from %d at %d (org %d) %d:", event.addr,
    236 		    event.hand_id, event.def_addr, buffer[0]);
    237 		for (i = 1; i <= buffer[0]; i++)
    238 			printf(" %x", buffer[i]);
    239 		printf("\n");
    240 	}
    241 #endif
    242 
    243 	microtime(&event.timestamp);
    244 
    245 	kbd_processevent(&event, ksc);
    246 }
    247 
    248 /*
    249  * Given a keyboard ADB event, record the keycodes and call the key
    250  * repeat handler, optionally passing the event through the mouse
    251  * button emulation handler first.
    252  */
    253 static void
    254 kbd_processevent(event, ksc)
    255         adb_event_t *event;
    256         struct kbd_softc *ksc;
    257 {
    258         adb_event_t new_event;
    259 
    260         new_event = *event;
    261 	new_event.u.k.key = event->bytes[0];
    262 	new_event.bytes[1] = 0xff;
    263 	aed_input(&new_event);
    264 	if (event->bytes[1] != 0xff) {
    265 		new_event.u.k.key = event->bytes[1];
    266 		new_event.bytes[0] = event->bytes[1];
    267 		new_event.bytes[1] = 0xff;
    268 		aed_input(&new_event);
    269 	}
    270 
    271 }
    272 
    273 #ifdef notyet
    274 /*
    275  * Get the actual hardware LED state and convert it to softc format.
    276  */
    277 static u_char
    278 getleds(addr)
    279 	int	addr;
    280 {
    281 	short cmd;
    282 	u_char buffer[9], leds;
    283 
    284 	leds = 0x00;	/* all off */
    285 	buffer[0] = 0;
    286 	kbd_done = 0;
    287 
    288 	/* talk R2 */
    289 	cmd = ((addr & 0xf) << 4) | 0x0c | 0x02;
    290 	ADBOp((Ptr)buffer, (Ptr)extdms_complete, (Ptr)&kbd_done, cmd);
    291 	while (!kbd_done)
    292 		/* busy-wait until done */ ;
    293 
    294 	if (buffer[0] > 0)
    295 		leds = ~(buffer[2]) & 0x07;
    296 
    297 	return (leds);
    298 }
    299 
    300 /*
    301  * Set the keyboard LED's.
    302  *
    303  * Automatically translates from ioctl/softc format to the
    304  * actual keyboard register format
    305  */
    306 static int
    307 setleds(ksc, leds)
    308 	struct kbd_softc *ksc;
    309 	u_char	leds;
    310 {
    311 	int addr;
    312 	short cmd;
    313 	u_char buffer[9];
    314 
    315 	if ((leds & 0x07) == (ksc->sc_leds & 0x07))
    316 		return (0);
    317 
    318 	addr = (int)ksc->adbaddr;
    319 	buffer[0] = 0;
    320 	kbd_done = 0;
    321 
    322 	/* talk R2 */
    323 	cmd = ((addr & 0xf) << 4) | 0x0c | 0x02;
    324 	ADBOp((Ptr)buffer, (Ptr)extdms_complete, (Ptr)&kbd_done, cmd);
    325 	while (!kbd_done)
    326 		/* busy-wait until done */ ;
    327 
    328 	if (buffer[0] == 0)
    329 		return (EIO);
    330 
    331 	leds = ~leds & 0x07;
    332 	buffer[2] &= 0xf8;
    333 	buffer[2] |= leds;
    334 
    335 	/* listen R2 */
    336 	cmd = ((addr & 0xf) << 4) | 0x08 | 0x02;
    337 	ADBOp((Ptr)buffer, (Ptr)extdms_complete, (Ptr)&kbd_done, cmd);
    338 	while (!kbd_done)
    339 		/* busy-wait until done */ ;
    340 
    341 	/* talk R2 */
    342 	cmd = ((addr & 0xf) << 4) | 0x0c | 0x02;
    343 	ADBOp((Ptr)buffer, (Ptr)extdms_complete, (Ptr)&kbd_done, cmd);
    344 	while (!kbd_done)
    345 		/* busy-wait until done */ ;
    346 
    347 	if (buffer[0] == 0)
    348 		return (EIO);
    349 
    350 	ksc->sc_leds = ~((u_int8_t)buffer[2]) & 0x07;
    351 
    352 	if ((buffer[2] & 0xf8) != leds)
    353 		return (EIO);
    354 	else
    355 		return (0);
    356 }
    357 
    358 /*
    359  * Toggle all of the LED's on and off, just for show.
    360  */
    361 static void
    362 blinkleds(ksc)
    363 	struct kbd_softc *ksc;
    364 {
    365 	int addr, i;
    366 	u_char blinkleds, origleds;
    367 
    368 	addr = (int)ksc->adbaddr;
    369 	origleds = getleds(addr);
    370 	blinkleds = LED_NUMLOCK | LED_CAPSLOCK | LED_SCROLL_LOCK;
    371 
    372 	(void)setleds(ksc, blinkleds);
    373 
    374 	for (i = 0; i < 10000; i++)
    375 		delay(50);
    376 
    377 	/* make sure that we restore the LED settings */
    378 	i = 10;
    379 	do {
    380 		(void)setleds(ksc, (u_char)0x00);
    381 	} while (setleds(ksc, (u_char)0x00) && (i-- > 0));
    382 
    383 	return;
    384 }
    385 #endif
    386 
    387 #if 0
    388 int
    389 kbdioctl(dev, cmd, data, flag, p)
    390 	dev_t   dev;
    391 	int     cmd;
    392 	caddr_t data;
    393 	int     flag;
    394 	struct proc *p;
    395 {
    396 	struct kbd_softc *ksc;
    397 	int error = 0;
    398 
    399 	ksc = kbd_cd.cd_devs[minor(dev)];
    400 
    401 	switch (cmd) {
    402 	case KIOCTYPE:  /* Get keyboard type */
    403 		*(u_int8_t *)data = ksc->handler_id;
    404 	case KIOCSLED:
    405 		error = setleds(ksc, *(u_char *)data);
    406 		break;
    407 	case KIOCGLED:
    408 		*(u_int8_t *)data = ksc->sc_leds;
    409 		break;
    410 	default:
    411 		error = (EINVAL);
    412 	}
    413 	return (error);
    414 }
    415 #endif
    416