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ams.c revision 1.17
      1 /*	$NetBSD: ams.c,v 1.17 2005/06/05 20:03:55 nathanw 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/cdefs.h>
     34 __KERNEL_RCSID(0, "$NetBSD: ams.c,v 1.17 2005/06/05 20:03:55 nathanw Exp $");
     35 
     36 #include <sys/param.h>
     37 #include <sys/device.h>
     38 #include <sys/fcntl.h>
     39 #include <sys/poll.h>
     40 #include <sys/select.h>
     41 #include <sys/proc.h>
     42 #include <sys/signalvar.h>
     43 #include <sys/systm.h>
     44 
     45 #include <machine/autoconf.h>
     46 
     47 #include <dev/wscons/wsconsio.h>
     48 #include <dev/wscons/wsmousevar.h>
     49 
     50 #include <macppc/dev/adbvar.h>
     51 #include <macppc/dev/aedvar.h>
     52 #include <macppc/dev/amsvar.h>
     53 
     54 #include "aed.h"
     55 
     56 /*
     57  * Function declarations.
     58  */
     59 static int	amsmatch __P((struct device *, struct cfdata *, void *));
     60 static void	amsattach __P((struct device *, struct device *, void *));
     61 static void	ems_init __P((struct ams_softc *));
     62 static void	ms_processevent __P((adb_event_t *event, struct ams_softc *));
     63 
     64 /* Driver definition. */
     65 CFATTACH_DECL(ams, sizeof(struct ams_softc),
     66     amsmatch, amsattach, NULL, NULL);
     67 
     68 int ams_enable __P((void *));
     69 int ams_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
     70 void ams_disable __P((void *));
     71 
     72 const struct wsmouse_accessops ams_accessops = {
     73 	ams_enable,
     74 	ams_ioctl,
     75 	ams_disable,
     76 };
     77 
     78 static int
     79 amsmatch(parent, cf, aux)
     80 	struct device *parent;
     81 	struct cfdata *cf;
     82 	void *aux;
     83 {
     84 	struct adb_attach_args *aa_args = aux;
     85 
     86 	if (aa_args->origaddr == ADBADDR_MS)
     87 		return 1;
     88 	else
     89 		return 0;
     90 }
     91 
     92 static void
     93 amsattach(parent, self, aux)
     94 	struct device *parent, *self;
     95 	void   *aux;
     96 {
     97 	ADBSetInfoBlock adbinfo;
     98 	struct ams_softc *sc = (struct ams_softc *)self;
     99 	struct adb_attach_args *aa_args = aux;
    100 	int error;
    101 	struct wsmousedev_attach_args a;
    102 
    103 	sc->origaddr = aa_args->origaddr;
    104 	sc->adbaddr = aa_args->adbaddr;
    105 	sc->handler_id = aa_args->handler_id;
    106 
    107 	sc->sc_class = MSCLASS_MOUSE;
    108 	sc->sc_buttons = 1;
    109 	sc->sc_res = 100;
    110 	sc->sc_devid[0] = 0;
    111 	sc->sc_devid[4] = 0;
    112 
    113 	adbinfo.siServiceRtPtr = (Ptr)ms_adbcomplete;
    114 	adbinfo.siDataAreaAddr = (caddr_t)sc;
    115 
    116 	ems_init(sc);
    117 
    118 	/* print out the type of mouse we have */
    119 	switch (sc->handler_id) {
    120 	case ADBMS_100DPI:
    121 		printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
    122 		    (int)(sc->sc_res));
    123 		break;
    124 	case ADBMS_200DPI:
    125 		sc->sc_res = 200;
    126 		printf("%d-button, %d dpi mouse\n", sc->sc_buttons,
    127 		    (int)(sc->sc_res));
    128 		break;
    129 	case ADBMS_MSA3:
    130 		printf("Mouse Systems A3 mouse, %d-button, %d dpi\n",
    131 		    sc->sc_buttons, (int)(sc->sc_res));
    132 		break;
    133 	case ADBMS_USPEED:
    134 		printf("MicroSpeed mouse, default parameters\n");
    135 		break;
    136 	case ADBMS_UCONTOUR:
    137 		printf("Contour mouse, default parameters\n");
    138 		break;
    139 	case ADBMS_TURBO:
    140 		printf("Kensington Turbo Mouse\n");
    141 		break;
    142 	case ADBMS_EXTENDED:
    143 		if (sc->sc_devid[0] == '\0') {
    144 			printf("Logitech ");
    145 			switch (sc->sc_class) {
    146 			case MSCLASS_MOUSE:
    147 				printf("MouseMan (non-EMP) mouse");
    148 				break;
    149 			case MSCLASS_TRACKBALL:
    150 				printf("TrackMan (non-EMP) trackball");
    151 				break;
    152 			default:
    153 				printf("non-EMP relative positioning device");
    154 				break;
    155 			}
    156 			printf("\n");
    157 		} else {
    158 			printf("EMP ");
    159 			switch (sc->sc_class) {
    160 			case MSCLASS_TABLET:
    161 				printf("tablet");
    162 				break;
    163 			case MSCLASS_MOUSE:
    164 				printf("mouse");
    165 				break;
    166 			case MSCLASS_TRACKBALL:
    167 				printf("trackball");
    168 				break;
    169 			case MSCLASS_TRACKPAD:
    170 				printf("trackpad");
    171 				break;
    172 			default:
    173 				printf("unknown device");
    174 				break;
    175 			}
    176 			printf(" <%s> %d-button, %d dpi\n", sc->sc_devid,
    177 			    sc->sc_buttons, (int)(sc->sc_res));
    178 		}
    179 		break;
    180 	default:
    181 		printf("relative positioning device (mouse?) (%d)\n",
    182 			sc->handler_id);
    183 		break;
    184 	}
    185 	error = SetADBInfo(&adbinfo, sc->adbaddr);
    186 #ifdef ADB_DEBUG
    187 	if (adb_debug)
    188 		printf("ams: returned %d from SetADBInfo\n", error);
    189 #endif
    190 
    191 	a.accessops = &ams_accessops;
    192 	a.accesscookie = sc;
    193 	sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
    194 }
    195 
    196 
    197 /*
    198  * Initialize extended mouse support -- probes devices as described
    199  * in Inside Macintosh: Devices, Chapter 5 "ADB Manager".
    200  *
    201  * Extended Mouse Protocol is documented in TechNote HW1:
    202  * 	"ADB - The Untold Story:  Space Aliens Ate My Mouse"
    203  *
    204  * Supports: Extended Mouse Protocol, MicroSpeed Mouse Deluxe,
    205  * 	     Mouse Systems A^3 Mouse, Logitech non-EMP MouseMan
    206  */
    207 void
    208 ems_init(sc)
    209 	struct ams_softc *sc;
    210 {
    211 	int adbaddr;
    212 	short cmd;
    213 	u_char buffer[9];
    214 
    215 	adbaddr = sc->adbaddr;
    216 	if (sc->origaddr != ADBADDR_MS)
    217 		return;
    218 	if (sc->handler_id == ADBMS_USPEED ||
    219 	    sc->handler_id == ADBMS_UCONTOUR) {
    220 		/* Found MicroSpeed Mouse Deluxe Mac or Contour Mouse */
    221 		cmd = ADBLISTEN(adbaddr, 1);
    222 
    223 		/*
    224 		 * To setup the MicroSpeed or the Contour, it appears
    225 		 * that we can send the following command to the mouse
    226 		 * and then expect data back in the form:
    227 		 *  buffer[0] = 4 (bytes)
    228 		 *  buffer[1], buffer[2] as std. mouse
    229 		 *  buffer[3] = buffer[4] = 0xff when no buttons
    230 		 *   are down.  When button N down, bit N is clear.
    231 		 * buffer[4]'s locking mask enables a
    232 		 * click to toggle the button down state--sort of
    233 		 * like the "Easy Access" shift/control/etc. keys.
    234 		 * buffer[3]'s alternative speed mask enables using
    235 		 * different speed when the corr. button is down
    236 		 */
    237 		buffer[0] = 4;
    238 		buffer[1] = 0x00;	/* Alternative speed */
    239 		buffer[2] = 0x00;	/* speed = maximum */
    240 		buffer[3] = 0x10;	/* enable extended protocol,
    241 					 * lower bits = alt. speed mask
    242 					 *            = 0000b
    243 					 */
    244 		buffer[4] = 0x07;	/* Locking mask = 0000b,
    245 					 * enable buttons = 0111b
    246 					 */
    247 		adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
    248 
    249 		sc->sc_buttons = 3;
    250 		sc->sc_res = 200;
    251 		return;
    252 	}
    253 	if (sc->handler_id == ADBMS_TURBO) {
    254 		/* Found Kensington Turbo Mouse */
    255 		static u_char data1[] =
    256 			{ 8, 0xe7, 0x8c, 0, 0, 0, 0xff, 0xff, 0x94 };
    257 		static u_char data2[] =
    258 			{ 8, 0xa5, 0x14, 0, 0, 0x69, 0xff, 0xff, 0x27 };
    259 
    260 		buffer[0] = 0;
    261 		adb_op_sync((Ptr)buffer, NULL, (Ptr)0, ADBFLUSH(adbaddr));
    262 
    263 		adb_op_sync((Ptr)data1, NULL, (Ptr)0, ADBLISTEN(adbaddr, 2));
    264 
    265 		buffer[0] = 0;
    266 		adb_op_sync((Ptr)buffer, NULL, (Ptr)0, ADBFLUSH(adbaddr));
    267 
    268 		adb_op_sync((Ptr)data2, NULL, (Ptr)0, ADBLISTEN(adbaddr, 2));
    269 		return;
    270 	}
    271 	if ((sc->handler_id == ADBMS_100DPI) ||
    272 	    (sc->handler_id == ADBMS_200DPI)) {
    273 		/* found a mouse */
    274 		cmd = ADBTALK(adbaddr, 3);
    275 		if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) {
    276 #ifdef ADB_DEBUG
    277 			if (adb_debug)
    278 				printf("adb: ems_init timed out\n");
    279 #endif
    280 			return;
    281 		}
    282 
    283 		/* Attempt to initialize Extended Mouse Protocol */
    284 		buffer[2] = 4; /* make handler ID 4 */
    285 		cmd = ADBLISTEN(adbaddr, 3);
    286 		if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) {
    287 #ifdef ADB_DEBUG
    288 			if (adb_debug)
    289 				printf("adb: ems_init timed out\n");
    290 #endif
    291 			return;
    292 		}
    293 
    294 		/*
    295 		 * Check to see if successful, if not
    296 		 * try to initialize it as other types
    297 		 */
    298 		cmd = ADBTALK(adbaddr, 3);
    299 		if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd) == 0 &&
    300 		    buffer[2] == ADBMS_EXTENDED) {
    301 			sc->handler_id = ADBMS_EXTENDED;
    302 			cmd = ADBTALK(adbaddr, 1);
    303 			if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) {
    304 #ifdef ADB_DEBUG
    305 				if (adb_debug)
    306 					printf("adb: ems_init timed out\n");
    307 #endif
    308 			} else if (buffer[0] == 8) {
    309 				/* we have a true EMP device */
    310 				sc->sc_class = buffer[7];
    311 				sc->sc_buttons = buffer[8];
    312 				sc->sc_res = (int)*(short *)&buffer[5];
    313 				memcpy(sc->sc_devid, &(buffer[1]), 4);
    314 			} else if (buffer[1] == 0x9a &&
    315 			    ((buffer[2] == 0x20) || (buffer[2] == 0x21))) {
    316 				/*
    317 				 * Set up non-EMP Mouseman/Trackman to put
    318 				 * button bits in 3rd byte instead of sending
    319 				 * via pseudo keyboard device.
    320 				 */
    321 				cmd = ADBLISTEN(adbaddr, 1);
    322 				buffer[0]=2;
    323 				buffer[1]=0x00;
    324 				buffer[2]=0x81;
    325 				adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
    326 
    327 				cmd = ADBLISTEN(adbaddr, 1);
    328 				buffer[0]=2;
    329 				buffer[1]=0x01;
    330 				buffer[2]=0x81;
    331 				adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
    332 
    333 				cmd = ADBLISTEN(adbaddr, 1);
    334 				buffer[0]=2;
    335 				buffer[1]=0x02;
    336 				buffer[2]=0x81;
    337 				adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
    338 
    339 				cmd = ADBLISTEN(adbaddr, 1);
    340 				buffer[0]=2;
    341 				buffer[1]=0x03;
    342 				buffer[2]=0x38;
    343 				adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
    344 
    345 				sc->sc_buttons = 3;
    346 				sc->sc_res = 400;
    347 				if (buffer[2] == 0x21)
    348 					sc->sc_class = MSCLASS_TRACKBALL;
    349 				else
    350 					sc->sc_class = MSCLASS_MOUSE;
    351 			} else
    352 				/* unknown device? */;
    353 		} else {
    354 			/* Attempt to initialize as an A3 mouse */
    355 			buffer[2] = 0x03; /* make handler ID 3 */
    356 			cmd = ADBLISTEN(adbaddr, 3);
    357 			if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) {
    358 #ifdef ADB_DEBUG
    359 				if (adb_debug)
    360 					printf("adb: ems_init timed out\n");
    361 #endif
    362 				return;
    363 			}
    364 
    365 			/*
    366 			 * Check to see if successful, if not
    367 			 * try to initialize it as other types
    368 			 */
    369 			cmd = ADBTALK(adbaddr, 3);
    370 			if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd) == 0
    371 			    && buffer[2] == ADBMS_MSA3) {
    372 				sc->handler_id = ADBMS_MSA3;
    373 				/* Initialize as above */
    374 				cmd = ADBLISTEN(adbaddr, 2);
    375 				/* listen 2 */
    376 				buffer[0] = 3;
    377 				buffer[1] = 0x00;
    378 				/* Irrelevant, buffer has 0x77 */
    379 				buffer[2] = 0x07;
    380 				/*
    381 				 * enable 3 button mode = 0111b,
    382 				 * speed = normal
    383 				 */
    384 				adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd);
    385 				sc->sc_buttons = 3;
    386 				sc->sc_res = 300;
    387 			} else {
    388 				/* No special support for this mouse */
    389 			}
    390 		}
    391 	}
    392 }
    393 
    394 /*
    395  * Handle putting the mouse data received from the ADB into
    396  * an ADB event record.
    397  */
    398 void
    399 ms_adbcomplete(buffer, data_area, adb_command)
    400 	caddr_t buffer;
    401 	caddr_t data_area;
    402 	int adb_command;
    403 {
    404 	adb_event_t event;
    405 	struct ams_softc *sc;
    406 	int adbaddr;
    407 #ifdef ADB_DEBUG
    408 	int i;
    409 
    410 	if (adb_debug)
    411 		printf("adb: transaction completion\n");
    412 #endif
    413 
    414 	adbaddr = ADB_CMDADDR(adb_command);
    415 	sc = (struct ams_softc *)data_area;
    416 
    417 	if ((sc->handler_id == ADBMS_EXTENDED) && (sc->sc_devid[0] == 0)) {
    418 		/* massage the data to look like EMP data */
    419 		if ((buffer[3] & 0x04) == 0x04)
    420 			buffer[1] &= 0x7f;
    421 		else
    422 			buffer[1] |= 0x80;
    423 		if ((buffer[3] & 0x02) == 0x02)
    424 			buffer[2] &= 0x7f;
    425 		else
    426 			buffer[2] |= 0x80;
    427 		if ((buffer[3] & 0x01) == 0x01)
    428 			buffer[3] = 0x00;
    429 		else
    430 			buffer[3] = 0x80;
    431 	}
    432 
    433 	event.addr = adbaddr;
    434 	event.hand_id = sc->handler_id;
    435 	event.def_addr = sc->origaddr;
    436 	event.byte_count = buffer[0];
    437 	memcpy(event.bytes, buffer + 1, event.byte_count);
    438 
    439 #ifdef ADB_DEBUG
    440 	if (adb_debug) {
    441 		printf("ams: from %d at %d (org %d) %d:", event.addr,
    442 		    event.hand_id, event.def_addr, buffer[0]);
    443 		for (i = 1; i <= buffer[0]; i++)
    444 			printf(" %x", buffer[i]);
    445 		printf("\n");
    446 	}
    447 #endif
    448 
    449 	microtime(&event.timestamp);
    450 
    451 	ms_processevent(&event, sc);
    452 }
    453 
    454 /*
    455  * Given a mouse ADB event, record the button settings, calculate the
    456  * x- and y-axis motion, and handoff the event to the appropriate subsystem.
    457  */
    458 static void
    459 ms_processevent(event, sc)
    460 	adb_event_t *event;
    461 	struct ams_softc *sc;
    462 {
    463 	adb_event_t new_event;
    464 	int i, button_bit, max_byte, mask, buttons;
    465 
    466 	new_event = *event;
    467 	buttons = 0;
    468 
    469 	/*
    470 	 * This should handle both plain ol' Apple mice and mice
    471 	 * that claim to support the Extended Apple Mouse Protocol.
    472 	 */
    473 	max_byte = event->byte_count;
    474 	button_bit = 1;
    475 	switch (event->hand_id) {
    476 	case ADBMS_USPEED:
    477 	case ADBMS_UCONTOUR:
    478 		/* MicroSpeed mouse and Contour mouse */
    479 		if (max_byte == 4)
    480 			buttons = (~event->bytes[2]) & 0xff;
    481 		else
    482 			buttons = (event->bytes[0] & 0x80) ? 0 : 1;
    483 		break;
    484 	case ADBMS_MSA3:
    485 		/* Mouse Systems A3 mouse */
    486 		if (max_byte == 3)
    487 			buttons = (~event->bytes[2]) & 0x07;
    488 		else
    489 			buttons = (event->bytes[0] & 0x80) ? 0 : 1;
    490 		break;
    491 	default:
    492 		/* Classic Mouse Protocol (up to 2 buttons) */
    493 		for (i = 0; i < 2; i++, button_bit <<= 1)
    494 			/* 0 when button down */
    495 			if (!(event->bytes[i] & 0x80))
    496 				buttons |= button_bit;
    497 			else
    498 				buttons &= ~button_bit;
    499 		/* Extended Protocol (up to 6 more buttons) */
    500 		for (mask = 0x80; i < max_byte;
    501 		     i += (mask == 0x80), button_bit <<= 1) {
    502 			/* 0 when button down */
    503 			if (!(event->bytes[i] & mask))
    504 				buttons |= button_bit;
    505 			else
    506 				buttons &= ~button_bit;
    507 			mask = ((mask >> 4) & 0xf)
    508 				| ((mask & 0xf) << 4);
    509 		}
    510 		break;
    511 	}
    512 	new_event.u.m.buttons = sc->sc_mb | buttons;
    513 	new_event.u.m.dx = ((signed int) (event->bytes[1] & 0x3f)) -
    514 				((event->bytes[1] & 0x40) ? 64 : 0);
    515 	new_event.u.m.dy = ((signed int) (event->bytes[0] & 0x3f)) -
    516 				((event->bytes[0] & 0x40) ? 64 : 0);
    517 
    518 	if (sc->sc_wsmousedev)
    519 		wsmouse_input(sc->sc_wsmousedev, new_event.u.m.buttons,
    520 			      new_event.u.m.dx, -new_event.u.m.dy, 0,
    521 			      WSMOUSE_INPUT_DELTA);
    522 #if NAED > 0
    523 	aed_input(&new_event);
    524 #endif
    525 }
    526 
    527 int
    528 ams_enable(v)
    529 	void *v;
    530 {
    531 	return 0;
    532 }
    533 
    534 int
    535 ams_ioctl(v, cmd, data, flag, p)
    536 	void *v;
    537 	u_long cmd;
    538 	caddr_t data;
    539 	int flag;
    540 	struct proc *p;
    541 {
    542 	return EPASSTHROUGH;
    543 }
    544 
    545 void
    546 ams_disable(v)
    547 	void *v;
    548 {
    549 }
    550