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akbd.c revision 1.32
      1 /*	$NetBSD: akbd.c,v 1.32 2005/02/01 03:08:16 briggs 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: akbd.c,v 1.32 2005/02/01 03:08:16 briggs 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 <dev/wscons/wsconsio.h>
     46 #include <dev/wscons/wskbdvar.h>
     47 #include <dev/wscons/wsksymdef.h>
     48 #include <dev/wscons/wsksymvar.h>
     49 #include <dev/ofw/openfirm.h>
     50 
     51 #include <machine/autoconf.h>
     52 #define KEYBOARD_ARRAY
     53 #include <machine/keyboard.h>
     54 
     55 #include <macppc/dev/adbvar.h>
     56 #include <macppc/dev/aedvar.h>
     57 #include <macppc/dev/akbdmap.h>
     58 #include <macppc/dev/akbdvar.h>
     59 #include <macppc/dev/pm_direct.h>
     60 
     61 #include "aed.h"
     62 
     63 /*
     64  * Function declarations.
     65  */
     66 static int	akbdmatch __P((struct device *, struct cfdata *, void *));
     67 static void	akbdattach __P((struct device *, struct device *, void *));
     68 void		kbd_adbcomplete __P((caddr_t buffer, caddr_t data_area, int adb_command));
     69 static void	kbd_processevent __P((adb_event_t *event, struct akbd_softc *));
     70 #ifdef notyet
     71 static u_char	getleds __P((int));
     72 static int	setleds __P((struct akbd_softc *, u_char));
     73 static void	blinkleds __P((struct akbd_softc *));
     74 #endif
     75 
     76 /* Driver definition. */
     77 CFATTACH_DECL(akbd, sizeof(struct akbd_softc),
     78     akbdmatch, akbdattach, NULL, NULL);
     79 
     80 extern struct cfdriver akbd_cd;
     81 
     82 int akbd_enable __P((void *, int));
     83 void akbd_set_leds __P((void *, int));
     84 int akbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
     85 
     86 struct wskbd_accessops akbd_accessops = {
     87 	akbd_enable,
     88 	akbd_set_leds,
     89 	akbd_ioctl,
     90 };
     91 
     92 void akbd_cngetc __P((void *, u_int *, int *));
     93 void akbd_cnpollc __P((void *, int));
     94 
     95 struct wskbd_consops akbd_consops = {
     96 	akbd_cngetc,
     97 	akbd_cnpollc,
     98 };
     99 
    100 struct wskbd_mapdata akbd_keymapdata = {
    101 	akbd_keydesctab,
    102 #ifdef AKBD_LAYOUT
    103 	AKBD_LAYOUT,
    104 #else
    105 	KB_US,
    106 #endif
    107 };
    108 
    109 static int akbd_is_console;
    110 static int akbd_console_attached;
    111 static int pcmcia_soft_eject;
    112 
    113 static int
    114 akbdmatch(parent, cf, aux)
    115 	struct device *parent;
    116 	struct cfdata *cf;
    117 	void   *aux;
    118 {
    119 	struct adb_attach_args *aa_args = aux;
    120 
    121 	if (aa_args->origaddr == ADBADDR_KBD)
    122 		return 1;
    123 	else
    124 		return 0;
    125 }
    126 
    127 static void
    128 akbdattach(parent, self, aux)
    129 	struct device *parent, *self;
    130 	void   *aux;
    131 {
    132 	ADBSetInfoBlock adbinfo;
    133 	struct akbd_softc *sc = (struct akbd_softc *)self;
    134 	struct adb_attach_args *aa_args = aux;
    135 	int error, kbd_done;
    136 	short cmd;
    137 	u_char buffer[9];
    138 	struct wskbddev_attach_args a;
    139 
    140 	/* ohare based models have soft ejectable card slot. */
    141 	if (OF_finddevice("/bandit/ohare") != -1)
    142 		pcmcia_soft_eject = 1;
    143 
    144 	sc->origaddr = aa_args->origaddr;
    145 	sc->adbaddr = aa_args->adbaddr;
    146 	sc->handler_id = aa_args->handler_id;
    147 
    148 	sc->sc_leds = (u_int8_t)0x00;	/* initially off */
    149 
    150 	adbinfo.siServiceRtPtr = (Ptr)kbd_adbcomplete;
    151 	adbinfo.siDataAreaAddr = (caddr_t)sc;
    152 
    153 	switch (sc->handler_id) {
    154 	case ADB_STDKBD:
    155 		printf("standard keyboard\n");
    156 		break;
    157 	case ADB_ISOKBD:
    158 		printf("standard keyboard (ISO layout)\n");
    159 		break;
    160 	case ADB_EXTKBD:
    161 		cmd = ADBTALK(sc->adbaddr, 1);
    162 		kbd_done =
    163 		    (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0);
    164 
    165 		/* Ignore Logitech MouseMan/Trackman pseudo keyboard */
    166 		if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x20) {
    167 			printf("Mouseman (non-EMP) pseudo keyboard\n");
    168 			adbinfo.siServiceRtPtr = (Ptr)0;
    169 			adbinfo.siDataAreaAddr = (Ptr)0;
    170 		} else if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x21) {
    171 			printf("Trackman (non-EMP) pseudo keyboard\n");
    172 			adbinfo.siServiceRtPtr = (Ptr)0;
    173 			adbinfo.siDataAreaAddr = (Ptr)0;
    174 		} else {
    175 			printf("extended keyboard\n");
    176 #ifdef notyet
    177 			blinkleds(sc);
    178 #endif
    179 		}
    180 		break;
    181 	case ADB_EXTISOKBD:
    182 		printf("extended keyboard (ISO layout)\n");
    183 #ifdef notyet
    184 		blinkleds(sc);
    185 #endif
    186 		break;
    187 	case ADB_KBDII:
    188 		printf("keyboard II\n");
    189 		break;
    190 	case ADB_ISOKBDII:
    191 		printf("keyboard II (ISO layout)\n");
    192 		break;
    193 	case ADB_PBKBD:
    194 		printf("PowerBook keyboard\n");
    195 		break;
    196 	case ADB_PBISOKBD:
    197 		printf("PowerBook keyboard (ISO layout)\n");
    198 		break;
    199 	case ADB_ADJKPD:
    200 		printf("adjustable keypad\n");
    201 		break;
    202 	case ADB_ADJKBD:
    203 		printf("adjustable keyboard\n");
    204 		break;
    205 	case ADB_ADJISOKBD:
    206 		printf("adjustable keyboard (ISO layout)\n");
    207 		break;
    208 	case ADB_ADJJAPKBD:
    209 		printf("adjustable keyboard (Japanese layout)\n");
    210 		break;
    211 	case ADB_PBEXTISOKBD:
    212 		printf("PowerBook extended keyboard (ISO layout)\n");
    213 		break;
    214 	case ADB_PBEXTJAPKBD:
    215 		printf("PowerBook extended keyboard (Japanese layout)\n");
    216 		break;
    217 	case ADB_JPKBDII:
    218 		printf("keyboard II (Japanese layout)\n");
    219 		break;
    220 	case ADB_PBEXTKBD:
    221 		printf("PowerBook extended keyboard\n");
    222 		break;
    223 	case ADB_DESIGNKBD:
    224 		printf("extended keyboard\n");
    225 #ifdef notyet
    226 		blinkleds(sc);
    227 #endif
    228 		break;
    229 	case ADB_PBJPKBD:
    230 		printf("PowerBook keyboard (Japanese layout)\n");
    231 		break;
    232 	case ADB_PBG3KBD:
    233 		printf("PowerBook G3 keyboard\n");
    234 		break;
    235 	case ADB_PBG3JPKBD:
    236 		printf("PowerBook G3 keyboard (Japanese layout)\n");
    237 		break;
    238 	default:
    239 		printf("mapped device (%d)\n", sc->handler_id);
    240 		break;
    241 	}
    242 	error = SetADBInfo(&adbinfo, sc->adbaddr);
    243 #ifdef ADB_DEBUG
    244 	if (adb_debug)
    245 		printf("akbd: returned %d from SetADBInfo\n", error);
    246 #endif
    247 
    248 	if (akbd_is_console && !akbd_console_attached) {
    249 		wskbd_cnattach(&akbd_consops, sc, &akbd_keymapdata);
    250 		akbd_console_attached = 1;
    251 	}
    252 
    253 	a.console = akbd_is_console;
    254 	a.keymap = &akbd_keymapdata;
    255 	a.accessops = &akbd_accessops;
    256 	a.accesscookie = sc;
    257 
    258 	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
    259 }
    260 
    261 
    262 /*
    263  * Handle putting the keyboard data received from the ADB into
    264  * an ADB event record.
    265  */
    266 void
    267 kbd_adbcomplete(buffer, data_area, adb_command)
    268 	caddr_t buffer;
    269 	caddr_t data_area;
    270 	int adb_command;
    271 {
    272 	adb_event_t event;
    273 	struct akbd_softc *ksc;
    274 	int adbaddr;
    275 #ifdef ADB_DEBUG
    276 	int i;
    277 
    278 	if (adb_debug)
    279 		printf("adb: transaction completion\n");
    280 #endif
    281 
    282 	adbaddr = ADB_CMDADDR(adb_command);
    283 	ksc = (struct akbd_softc *)data_area;
    284 
    285 	event.addr = adbaddr;
    286 	event.hand_id = ksc->handler_id;
    287 	event.def_addr = ksc->origaddr;
    288 	event.byte_count = buffer[0];
    289 	memcpy(event.bytes, buffer + 1, event.byte_count);
    290 
    291 #ifdef ADB_DEBUG
    292 	if (adb_debug) {
    293 		printf("akbd: from %d at %d (org %d) %d:", event.addr,
    294 		    event.hand_id, event.def_addr, buffer[0]);
    295 		for (i = 1; i <= buffer[0]; i++)
    296 			printf(" %x", buffer[i]);
    297 		printf("\n");
    298 	}
    299 #endif
    300 
    301 	microtime(&event.timestamp);
    302 
    303 	kbd_processevent(&event, ksc);
    304 }
    305 
    306 /*
    307  * Given a keyboard ADB event, record the keycodes and call the key
    308  * repeat handler, optionally passing the event through the mouse
    309  * button emulation handler first.
    310  */
    311 static void
    312 kbd_processevent(event, ksc)
    313         adb_event_t *event;
    314         struct akbd_softc *ksc;
    315 {
    316         adb_event_t new_event;
    317 
    318         new_event = *event;
    319 	new_event.u.k.key = event->bytes[0];
    320 	new_event.bytes[1] = 0xff;
    321 	kbd_intr(&new_event);
    322 #if NAED > 0
    323 	aed_input(&new_event);
    324 #endif
    325 	if (event->bytes[1] != 0xff) {
    326 		new_event.u.k.key = event->bytes[1];
    327 		new_event.bytes[0] = event->bytes[1];
    328 		new_event.bytes[1] = 0xff;
    329 		kbd_intr(&new_event);
    330 #if NAED > 0
    331 		aed_input(&new_event);
    332 #endif
    333 	}
    334 
    335 }
    336 
    337 #ifdef notyet
    338 /*
    339  * Get the actual hardware LED state and convert it to softc format.
    340  */
    341 static u_char
    342 getleds(addr)
    343 	int	addr;
    344 {
    345 	short cmd;
    346 	u_char buffer[9], leds;
    347 
    348 	leds = 0x00;	/* all off */
    349 	buffer[0] = 0;
    350 
    351 	/* talk R2 */
    352 	cmd = ADBTALK(addr, 2);
    353 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 &&
    354 	    buffer[0] > 0)
    355 		leds = ~(buffer[2]) & 0x07;
    356 
    357 	return (leds);
    358 }
    359 
    360 /*
    361  * Set the keyboard LED's.
    362  *
    363  * Automatically translates from ioctl/softc format to the
    364  * actual keyboard register format
    365  */
    366 static int
    367 setleds(ksc, leds)
    368 	struct akbd_softc *ksc;
    369 	u_char	leds;
    370 {
    371 	int addr;
    372 	short cmd;
    373 	u_char buffer[9];
    374 
    375 	if ((leds & 0x07) == (ksc->sc_leds & 0x07))
    376 		return (0);
    377 
    378 	addr = ksc->adbaddr;
    379 	buffer[0] = 0;
    380 
    381 	cmd = ADBTALK(addr, 2);
    382 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) || buffer[0] == 0)
    383 		return (EIO);
    384 
    385 	leds = ~leds & 0x07;
    386 	buffer[2] &= 0xf8;
    387 	buffer[2] |= leds;
    388 
    389 	cmd = ADBLISTEN(addr, 2);
    390 	adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
    391 
    392 	cmd = ADBTALK(addr, 2);
    393 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) || buffer[0] == 0)
    394 		return (EIO);
    395 
    396 	ksc->sc_leds = ~((u_int8_t)buffer[2]) & 0x07;
    397 
    398 	if ((buffer[2] & 0xf8) != leds)
    399 		return (EIO);
    400 	else
    401 		return (0);
    402 }
    403 
    404 /*
    405  * Toggle all of the LED's on and off, just for show.
    406  */
    407 static void
    408 blinkleds(ksc)
    409 	struct akbd_softc *ksc;
    410 {
    411 	int addr, i;
    412 	u_char blinkleds, origleds;
    413 
    414 	addr = ksc->adbaddr;
    415 	origleds = getleds(addr);
    416 	blinkleds = LED_NUMLOCK | LED_CAPSLOCK | LED_SCROLL_LOCK;
    417 
    418 	(void)setleds(ksc, blinkleds);
    419 
    420 	for (i = 0; i < 10000; i++)
    421 		delay(50);
    422 
    423 	/* make sure that we restore the LED settings */
    424 	i = 10;
    425 	do {
    426 		(void)setleds(ksc, (u_char)0x00);
    427 	} while (setleds(ksc, (u_char)0x00) && (i-- > 0));
    428 
    429 	return;
    430 }
    431 #endif
    432 
    433 int
    434 akbd_enable(v, on)
    435 	void *v;
    436 	int on;
    437 {
    438 	return 0;
    439 }
    440 
    441 void
    442 akbd_set_leds(v, on)
    443 	void *v;
    444 	int on;
    445 {
    446 }
    447 
    448 int
    449 akbd_ioctl(v, cmd, data, flag, p)
    450 	void *v;
    451 	u_long cmd;
    452 	caddr_t data;
    453 	int flag;
    454 	struct proc *p;
    455 {
    456 #ifdef WSDISPLAY_COMPAT_RAWKBD
    457 	struct akbd_softc *sc = (struct akbd_softc *) v;
    458 #endif
    459 
    460 	switch (cmd) {
    461 
    462 	case WSKBDIO_GTYPE:
    463 		*(int *)data = WSKBD_TYPE_ADB;
    464 		return 0;
    465 	case WSKBDIO_SETLEDS:
    466 		return 0;
    467 	case WSKBDIO_GETLEDS:
    468 		*(int *)data = 0;
    469 		return 0;
    470 #ifdef WSDISPLAY_COMPAT_RAWKBD
    471 	case WSKBDIO_SETMODE:
    472 		sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
    473 		return 0;
    474 #endif
    475 	}
    476 	/* kbdioctl(...); */
    477 
    478 	return EPASSTHROUGH;
    479 }
    480 
    481 extern int adb_polling;
    482 
    483 void
    484 kbd_passup(sc,key)
    485 	struct akbd_softc *sc;
    486 	int key;
    487 {
    488 	if (sc->sc_polling) {
    489 		if (sc->sc_npolledkeys <
    490 			(sizeof(sc->sc_polledkeys)/sizeof(unsigned char))) {
    491 			sc->sc_polledkeys[sc->sc_npolledkeys++] = key;
    492 		}
    493 #ifdef ADB_DEBUG
    494 		else {
    495 			printf("akbd: dumping polled key 0x%02x\n",key);
    496 		}
    497 #endif
    498 #ifdef WSDISPLAY_COMPAT_RAWKBD
    499 	} else if (sc->sc_rawkbd) {
    500 		char cbuf[2];
    501 		int s;
    502 		int j = 0;
    503 		int c = keyboard[ADBK_KEYVAL(key)][3];
    504 
    505 		if (c == 0)			/* XXX */
    506 			return;
    507 
    508 		if (c & 0x80)
    509 			cbuf[j++] = 0xe0;
    510 
    511 		cbuf[j++] = (c & 0x7f) | (ADBK_PRESS(key)? 0 : 0x80);
    512 
    513 		s = spltty();
    514 		wskbd_rawinput(sc->sc_wskbddev, cbuf, j);
    515 		splx(s);
    516 #endif
    517 	} else {
    518 		int press, val;
    519 		int type;
    520 
    521 		press = ADBK_PRESS(key);
    522 		val = ADBK_KEYVAL(key);
    523 
    524 		type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    525 
    526 		wskbd_input(sc->sc_wskbddev, type, val);
    527 	}
    528 }
    529 
    530 int
    531 kbd_intr(arg)
    532 	void *arg;
    533 {
    534 	adb_event_t *event = arg;
    535 	int key;
    536 #ifdef CAPS_IS_CONTROL
    537 	static int shift;
    538 #endif
    539 
    540 	struct akbd_softc *sc = akbd_cd.cd_devs[0];
    541 
    542 	key = event->u.k.key;
    543 
    544 #ifdef CAPS_IS_CONTROL
    545 	/*
    546 	 * Caps lock is weird. The key sequence generated is:
    547 	 * press:   down(57) [57]  (LED turns on)
    548 	 * release: up(127)  [255]
    549 	 * press:   up(127)  [255]
    550 	 * release: up(57)   [185] (LED turns off)
    551 	 */
    552 	if ((key == 57) || (key == 185))
    553 		shift = 0;
    554 
    555 	if (key == 255) {
    556 		if (shift == 0) {
    557 			key = 185;
    558 			shift = 1;
    559 		} else {
    560 			key = 57;
    561 			shift = 0;
    562 		}
    563 	}
    564 #endif
    565 
    566 	switch (key) {
    567 #ifndef CAPS_IS_CONTROL
    568 	case 57:	/* Caps Lock pressed */
    569 	case 185:	/* Caps Lock released */
    570 		key = ADBK_KEYDOWN(ADBK_KEYVAL(key));
    571 		kbd_passup(sc,key);
    572 		key = ADBK_KEYUP(ADBK_KEYVAL(key));
    573 		break;
    574 #endif
    575 	case 245:
    576 		if (pcmcia_soft_eject)
    577 			pm_eject_pcmcia(0);
    578 		break;
    579 	case 244:
    580 		if (pcmcia_soft_eject)
    581 			pm_eject_pcmcia(1);
    582 		break;
    583 	}
    584 
    585 	kbd_passup(sc,key);
    586 
    587 	return 0;
    588 }
    589 
    590 int
    591 akbd_cnattach()
    592 {
    593 
    594 	akbd_is_console = 1;
    595 	return 0;
    596 }
    597 
    598 void
    599 akbd_cngetc(v, type, data)
    600 	void *v;
    601 	u_int *type;
    602 	int *data;
    603 {
    604 	int key, press, val;
    605 	int s;
    606 	struct akbd_softc *sc = v;
    607 
    608 	s = splhigh();
    609 
    610 	KASSERT(sc->sc_polling);
    611 	KASSERT(adb_polling);
    612 
    613 	while (sc->sc_npolledkeys == 0) {
    614 		adb_intr(NULL);
    615 		DELAY(10000);				/* XXX */
    616 	}
    617 
    618 	splx(s);
    619 
    620 	key = sc->sc_polledkeys[0];
    621 	sc->sc_npolledkeys--;
    622 	memmove(sc->sc_polledkeys,sc->sc_polledkeys+1,
    623 		sc->sc_npolledkeys * sizeof(unsigned char));
    624 
    625 	press = ADBK_PRESS(key);
    626 	val = ADBK_KEYVAL(key);
    627 
    628 	*data = val;
    629 	*type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    630 }
    631 
    632 void
    633 akbd_cnpollc(v, on)
    634 	void *v;
    635 	int on;
    636 {
    637 	struct akbd_softc *sc = v;
    638 	sc->sc_polling = on;
    639 	if (!on) {
    640 		int i;
    641 		for(i=0;i<sc->sc_npolledkeys;i++) {
    642 			kbd_passup(sc,sc->sc_polledkeys[i]);
    643 		}
    644 		sc->sc_npolledkeys = 0;
    645 	}
    646 	adb_polling = on;
    647 }
    648