Home | History | Annotate | Line # | Download | only in dev
akbd.c revision 1.41
      1 /*	$NetBSD: akbd.c,v 1.41 2009/03/14 15:36:09 dsl 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 1.41 2009/03/14 15:36:09 dsl 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 <dev/adb/adb_keymap.h>
     52 
     53 #include <machine/autoconf.h>
     54 #define KEYBOARD_ARRAY
     55 #include <machine/keyboard.h>
     56 
     57 #include <macppc/dev/adbvar.h>
     58 #include <macppc/dev/aedvar.h>
     59 #include <macppc/dev/akbdvar.h>
     60 #include <macppc/dev/pm_direct.h>
     61 
     62 #include "aed.h"
     63 
     64 /*
     65  * Function declarations.
     66  */
     67 static int	akbdmatch(struct device *, struct cfdata *, void *);
     68 static void	akbdattach(struct device *, struct device *, void *);
     69 static void	kbd_processevent(adb_event_t *event, struct akbd_softc *);
     70 #ifdef notyet
     71 static u_char	getleds(int);
     72 static int	setleds(struct akbd_softc *, u_char);
     73 static void	blinkleds(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(void *, int);
     83 void akbd_set_leds(void *, int);
     84 int akbd_ioctl(void *, u_long, void *, int, struct lwp *);
     85 
     86 struct wskbd_accessops akbd_accessops = {
     87 	akbd_enable,
     88 	akbd_set_leds,
     89 	akbd_ioctl,
     90 };
     91 
     92 void akbd_cngetc(void *, u_int *, int *);
     93 void akbd_cnpollc(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(struct device *parent, struct cfdata *cf, void *aux)
    115 {
    116 	struct adb_attach_args *aa_args = aux;
    117 
    118 	if (aa_args->origaddr == ADBADDR_KBD)
    119 		return 1;
    120 	else
    121 		return 0;
    122 }
    123 
    124 static void
    125 akbdattach(parent, self, aux)
    126 	struct device *parent, *self;
    127 	void   *aux;
    128 {
    129 	ADBSetInfoBlock adbinfo;
    130 	struct akbd_softc *sc = (struct akbd_softc *)self;
    131 	struct adb_attach_args *aa_args = aux;
    132 	int error, kbd_done;
    133 	short cmd;
    134 	u_char buffer[9];
    135 	struct wskbddev_attach_args a;
    136 
    137 	/* ohare based models have soft ejectable card slot. */
    138 	if (OF_finddevice("/bandit/ohare") != -1)
    139 		pcmcia_soft_eject = 1;
    140 
    141 	sc->origaddr = aa_args->origaddr;
    142 	sc->adbaddr = aa_args->adbaddr;
    143 	sc->handler_id = aa_args->handler_id;
    144 
    145 	sc->sc_leds = (u_int8_t)0x00;	/* initially off */
    146 
    147 	adbinfo.siServiceRtPtr = (Ptr)kbd_adbcomplete;
    148 	adbinfo.siDataAreaAddr = (void *)sc;
    149 
    150 	switch (sc->handler_id) {
    151 	case ADB_STDKBD:
    152 		printf("standard keyboard\n");
    153 		break;
    154 	case ADB_ISOKBD:
    155 		printf("standard keyboard (ISO layout)\n");
    156 		break;
    157 	case ADB_EXTKBD:
    158 		cmd = ADBTALK(sc->adbaddr, 1);
    159 		kbd_done =
    160 		    (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd) == 0);
    161 
    162 		/* Ignore Logitech MouseMan/Trackman pseudo keyboard */
    163 		if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x20) {
    164 			printf("Mouseman (non-EMP) pseudo keyboard\n");
    165 			adbinfo.siServiceRtPtr = (Ptr)0;
    166 			adbinfo.siDataAreaAddr = (Ptr)0;
    167 		} else if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x21) {
    168 			printf("Trackman (non-EMP) pseudo keyboard\n");
    169 			adbinfo.siServiceRtPtr = (Ptr)0;
    170 			adbinfo.siDataAreaAddr = (Ptr)0;
    171 		} else {
    172 			printf("extended keyboard\n");
    173 #ifdef notyet
    174 			blinkleds(sc);
    175 #endif
    176 		}
    177 		break;
    178 	case ADB_EXTISOKBD:
    179 		printf("extended keyboard (ISO layout)\n");
    180 #ifdef notyet
    181 		blinkleds(sc);
    182 #endif
    183 		break;
    184 	case ADB_KBDII:
    185 		printf("keyboard II\n");
    186 		break;
    187 	case ADB_ISOKBDII:
    188 		printf("keyboard II (ISO layout)\n");
    189 		break;
    190 	case ADB_PBKBD:
    191 		printf("PowerBook keyboard\n");
    192 		break;
    193 	case ADB_PBISOKBD:
    194 		printf("PowerBook keyboard (ISO layout)\n");
    195 		break;
    196 	case ADB_ADJKPD:
    197 		printf("adjustable keypad\n");
    198 		break;
    199 	case ADB_ADJKBD:
    200 		printf("adjustable keyboard\n");
    201 		break;
    202 	case ADB_ADJISOKBD:
    203 		printf("adjustable keyboard (ISO layout)\n");
    204 		break;
    205 	case ADB_ADJJAPKBD:
    206 		printf("adjustable keyboard (Japanese layout)\n");
    207 		break;
    208 	case ADB_PBEXTISOKBD:
    209 		printf("PowerBook extended keyboard (ISO layout)\n");
    210 		break;
    211 	case ADB_PBEXTJAPKBD:
    212 		printf("PowerBook extended keyboard (Japanese layout)\n");
    213 		break;
    214 	case ADB_JPKBDII:
    215 		printf("keyboard II (Japanese layout)\n");
    216 		break;
    217 	case ADB_PBEXTKBD:
    218 		printf("PowerBook extended keyboard\n");
    219 		break;
    220 	case ADB_DESIGNKBD:
    221 		printf("extended keyboard\n");
    222 #ifdef notyet
    223 		blinkleds(sc);
    224 #endif
    225 		break;
    226 	case ADB_PBJPKBD:
    227 		printf("PowerBook keyboard (Japanese layout)\n");
    228 		break;
    229 	case ADB_PBG3KBD:
    230 		printf("PowerBook G3 keyboard\n");
    231 		break;
    232 	case ADB_PBG3JPKBD:
    233 		printf("PowerBook G3 keyboard (Japanese layout)\n");
    234 		break;
    235 	default:
    236 		printf("mapped device (%d)\n", sc->handler_id);
    237 		break;
    238 	}
    239 	error = SetADBInfo(&adbinfo, sc->adbaddr);
    240 #ifdef ADB_DEBUG
    241 	if (adb_debug)
    242 		printf("akbd: returned %d from SetADBInfo\n", error);
    243 #endif
    244 
    245 	if (akbd_is_console && !akbd_console_attached) {
    246 		wskbd_cnattach(&akbd_consops, sc, &akbd_keymapdata);
    247 		akbd_console_attached = 1;
    248 	}
    249 
    250 	a.console = akbd_is_console;
    251 	a.keymap = &akbd_keymapdata;
    252 	a.accessops = &akbd_accessops;
    253 	a.accesscookie = sc;
    254 
    255 	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
    256 }
    257 
    258 
    259 /*
    260  * Handle putting the keyboard data received from the ADB into
    261  * an ADB event record.
    262  */
    263 void
    264 kbd_adbcomplete(uint8_t *buffer, uint8_t *data_area, int adb_command)
    265 {
    266 	adb_event_t event;
    267 	struct akbd_softc *ksc;
    268 	int adbaddr;
    269 #ifdef ADB_DEBUG
    270 	int i;
    271 
    272 	if (adb_debug)
    273 		printf("adb: transaction completion\n");
    274 #endif
    275 
    276 	adbaddr = ADB_CMDADDR(adb_command);
    277 	ksc = (struct akbd_softc *)data_area;
    278 
    279 	event.addr = adbaddr;
    280 	event.hand_id = ksc->handler_id;
    281 	event.def_addr = ksc->origaddr;
    282 	event.byte_count = buffer[0];
    283 	memcpy(event.bytes, buffer + 1, event.byte_count);
    284 
    285 #ifdef ADB_DEBUG
    286 	if (adb_debug) {
    287 		printf("akbd: from %d at %d (org %d) %d:", event.addr,
    288 		    event.hand_id, event.def_addr, buffer[0]);
    289 		for (i = 1; i <= buffer[0]; i++)
    290 			printf(" %x", buffer[i]);
    291 		printf("\n");
    292 	}
    293 #endif
    294 
    295 	microtime(&event.timestamp);
    296 
    297 	kbd_processevent(&event, ksc);
    298 }
    299 
    300 /*
    301  * Given a keyboard ADB event, record the keycodes and call the key
    302  * repeat handler, optionally passing the event through the mouse
    303  * button emulation handler first.
    304  */
    305 static void
    306 kbd_processevent(adb_event_t *event, struct akbd_softc *ksc)
    307 {
    308         adb_event_t new_event;
    309 
    310         new_event = *event;
    311 	new_event.u.k.key = event->bytes[0];
    312 	new_event.bytes[1] = 0xff;
    313 	kbd_intr(&new_event);
    314 #if NAED > 0
    315 	aed_input(&new_event);
    316 #endif
    317 	if (event->bytes[1] != 0xff) {
    318 		new_event.u.k.key = event->bytes[1];
    319 		new_event.bytes[0] = event->bytes[1];
    320 		new_event.bytes[1] = 0xff;
    321 		kbd_intr(&new_event);
    322 #if NAED > 0
    323 		aed_input(&new_event);
    324 #endif
    325 	}
    326 
    327 }
    328 
    329 #ifdef notyet
    330 /*
    331  * Get the actual hardware LED state and convert it to softc format.
    332  */
    333 static u_char
    334 getleds(int addr)
    335 {
    336 	short cmd;
    337 	u_char buffer[9], leds;
    338 
    339 	leds = 0x00;	/* all off */
    340 	buffer[0] = 0;
    341 
    342 	/* talk R2 */
    343 	cmd = ADBTALK(addr, 2);
    344 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 &&
    345 	    buffer[0] > 0)
    346 		leds = ~(buffer[2]) & 0x07;
    347 
    348 	return (leds);
    349 }
    350 
    351 /*
    352  * Set the keyboard LED's.
    353  *
    354  * Automatically translates from ioctl/softc format to the
    355  * actual keyboard register format
    356  */
    357 static int
    358 setleds(struct akbd_softc *ksc, u_char leds)
    359 {
    360 	int addr;
    361 	short cmd;
    362 	u_char buffer[9];
    363 
    364 	if ((leds & 0x07) == (ksc->sc_leds & 0x07))
    365 		return (0);
    366 
    367 	addr = ksc->adbaddr;
    368 	buffer[0] = 0;
    369 
    370 	cmd = ADBTALK(addr, 2);
    371 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) || buffer[0] == 0)
    372 		return (EIO);
    373 
    374 	leds = ~leds & 0x07;
    375 	buffer[2] &= 0xf8;
    376 	buffer[2] |= leds;
    377 
    378 	cmd = ADBLISTEN(addr, 2);
    379 	adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
    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 	ksc->sc_leds = ~((u_int8_t)buffer[2]) & 0x07;
    386 
    387 	if ((buffer[2] & 0xf8) != leds)
    388 		return (EIO);
    389 	else
    390 		return (0);
    391 }
    392 
    393 /*
    394  * Toggle all of the LED's on and off, just for show.
    395  */
    396 static void
    397 blinkleds(struct akbd_softc *ksc)
    398 {
    399 	int addr, i;
    400 	u_char blinkleds, origleds;
    401 
    402 	addr = ksc->adbaddr;
    403 	origleds = getleds(addr);
    404 	blinkleds = LED_NUMLOCK | LED_CAPSLOCK | LED_SCROLL_LOCK;
    405 
    406 	(void)setleds(ksc, blinkleds);
    407 
    408 	for (i = 0; i < 10000; i++)
    409 		delay(50);
    410 
    411 	/* make sure that we restore the LED settings */
    412 	i = 10;
    413 	do {
    414 		(void)setleds(ksc, (u_char)0x00);
    415 	} while (setleds(ksc, (u_char)0x00) && (i-- > 0));
    416 
    417 	return;
    418 }
    419 #endif
    420 
    421 int
    422 akbd_enable(void *v, int on)
    423 {
    424 	return 0;
    425 }
    426 
    427 void
    428 akbd_set_leds(void *v, int on)
    429 {
    430 }
    431 
    432 int
    433 akbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
    434 {
    435 #ifdef WSDISPLAY_COMPAT_RAWKBD
    436 	struct akbd_softc *sc = (struct akbd_softc *) v;
    437 #endif
    438 
    439 	switch (cmd) {
    440 
    441 	case WSKBDIO_GTYPE:
    442 		*(int *)data = WSKBD_TYPE_ADB;
    443 		return 0;
    444 	case WSKBDIO_SETLEDS:
    445 		return 0;
    446 	case WSKBDIO_GETLEDS:
    447 		*(int *)data = 0;
    448 		return 0;
    449 #ifdef WSDISPLAY_COMPAT_RAWKBD
    450 	case WSKBDIO_SETMODE:
    451 		sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
    452 		return 0;
    453 #endif
    454 	}
    455 	/* kbdioctl(...); */
    456 
    457 	return EPASSTHROUGH;
    458 }
    459 
    460 extern int adb_polling;
    461 
    462 void
    463 kbd_passup(struct akbd_softc *sc,int key)
    464 {
    465 	if (sc->sc_polling) {
    466 		if (sc->sc_npolledkeys <
    467 			(sizeof(sc->sc_polledkeys)/sizeof(unsigned char))) {
    468 			sc->sc_polledkeys[sc->sc_npolledkeys++] = key;
    469 		}
    470 #ifdef ADB_DEBUG
    471 		else {
    472 			printf("akbd: dumping polled key 0x%02x\n",key);
    473 		}
    474 #endif
    475 #ifdef WSDISPLAY_COMPAT_RAWKBD
    476 	} else if (sc->sc_rawkbd) {
    477 		char cbuf[2];
    478 		int s;
    479 		int j = 0;
    480 		int c = keyboard[ADBK_KEYVAL(key)][3];
    481 
    482 		if (c == 0)			/* XXX */
    483 			return;
    484 
    485 		if (c & 0x80)
    486 			cbuf[j++] = 0xe0;
    487 
    488 		cbuf[j++] = (c & 0x7f) | (ADBK_PRESS(key)? 0 : 0x80);
    489 
    490 		s = spltty();
    491 		wskbd_rawinput(sc->sc_wskbddev, cbuf, j);
    492 		splx(s);
    493 #endif
    494 	} else {
    495 		int press, val;
    496 		int type;
    497 
    498 		press = ADBK_PRESS(key);
    499 		val = ADBK_KEYVAL(key);
    500 
    501 		type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    502 
    503 		wskbd_input(sc->sc_wskbddev, type, val);
    504 	}
    505 }
    506 
    507 int
    508 kbd_intr(void *arg)
    509 {
    510 	adb_event_t *event = arg;
    511 	int key;
    512 #ifdef CAPS_IS_CONTROL
    513 	static int shift;
    514 #endif
    515 
    516 	struct akbd_softc *sc = device_lookup_private(&akbd_cd, 0);
    517 
    518 	key = event->u.k.key;
    519 
    520 #ifdef CAPS_IS_CONTROL
    521 	/*
    522 	 * Caps lock is weird. The key sequence generated is:
    523 	 * press:   down(57) [57]  (LED turns on)
    524 	 * release: up(127)  [255]
    525 	 * press:   up(127)  [255]
    526 	 * release: up(57)   [185] (LED turns off)
    527 	 */
    528 	if ((key == 57) || (key == 185))
    529 		shift = 0;
    530 
    531 	if (key == 255) {
    532 		if (shift == 0) {
    533 			key = 185;
    534 			shift = 1;
    535 		} else {
    536 			key = 57;
    537 			shift = 0;
    538 		}
    539 	}
    540 #endif
    541 
    542 	switch (key) {
    543 #ifndef CAPS_IS_CONTROL
    544 	case 57:	/* Caps Lock pressed */
    545 	case 185:	/* Caps Lock released */
    546 		key = ADBK_KEYDOWN(ADBK_KEYVAL(key));
    547 		kbd_passup(sc,key);
    548 		key = ADBK_KEYUP(ADBK_KEYVAL(key));
    549 		break;
    550 #endif
    551 	case 245:
    552 		if (pcmcia_soft_eject)
    553 			pm_eject_pcmcia(0);
    554 		break;
    555 	case 244:
    556 		if (pcmcia_soft_eject)
    557 			pm_eject_pcmcia(1);
    558 		break;
    559 	}
    560 
    561 	kbd_passup(sc,key);
    562 
    563 	return 0;
    564 }
    565 
    566 int
    567 akbd_cnattach()
    568 {
    569 
    570 	akbd_is_console = 1;
    571 	return 0;
    572 }
    573 
    574 void
    575 akbd_cngetc(void *v, u_int *type, int *data)
    576 {
    577 	int key, press, val;
    578 	int s;
    579 	struct akbd_softc *sc = v;
    580 
    581 	s = splhigh();
    582 
    583 	KASSERT(sc->sc_polling);
    584 	KASSERT(adb_polling);
    585 
    586 	while (sc->sc_npolledkeys == 0) {
    587 		adb_intr(NULL);
    588 		DELAY(10000);				/* XXX */
    589 	}
    590 
    591 	splx(s);
    592 
    593 	key = sc->sc_polledkeys[0];
    594 	sc->sc_npolledkeys--;
    595 	memmove(sc->sc_polledkeys,sc->sc_polledkeys+1,
    596 		sc->sc_npolledkeys * sizeof(unsigned char));
    597 
    598 	press = ADBK_PRESS(key);
    599 	val = ADBK_KEYVAL(key);
    600 
    601 	*data = val;
    602 	*type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    603 }
    604 
    605 void
    606 akbd_cnpollc(void *v, int on)
    607 {
    608 	struct akbd_softc *sc = v;
    609 	sc->sc_polling = on;
    610 	if (!on) {
    611 		int i;
    612 		for(i=0;i<sc->sc_npolledkeys;i++) {
    613 			kbd_passup(sc,sc->sc_polledkeys[i]);
    614 		}
    615 		sc->sc_npolledkeys = 0;
    616 	}
    617 	adb_polling = on;
    618 }
    619