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akbd.c revision 1.44
      1 /*	$NetBSD: akbd.c,v 1.44 2011/06/18 08:08:28 matt 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 1.44 2011/06/18 08:08:28 matt 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(device_t, cfdata_t, void *);
     68 static void	akbdattach(device_t, device_t, 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(device_t parent, cfdata_t 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(device_t parent, device_t self, void *aux)
    126 {
    127 	ADBSetInfoBlock adbinfo;
    128 	struct akbd_softc *sc = device_private(self);
    129 	struct adb_attach_args *aa_args = aux;
    130 	int error, kbd_done;
    131 	short cmd;
    132 	u_char buffer[9];
    133 	struct wskbddev_attach_args a;
    134 
    135 	/* ohare based models have soft ejectable card slot. */
    136 	if (OF_finddevice("/bandit/ohare") != -1)
    137 		pcmcia_soft_eject = 1;
    138 
    139 	sc->origaddr = aa_args->origaddr;
    140 	sc->adbaddr = aa_args->adbaddr;
    141 	sc->handler_id = aa_args->handler_id;
    142 
    143 	sc->sc_leds = (u_int8_t)0x00;	/* initially off */
    144 
    145 	adbinfo.siServiceRtPtr = (Ptr)kbd_adbcomplete;
    146 	adbinfo.siDataAreaAddr = (void *)sc;
    147 
    148 	switch (sc->handler_id) {
    149 	case ADB_STDKBD:
    150 		printf("standard keyboard\n");
    151 		break;
    152 	case ADB_ISOKBD:
    153 		printf("standard keyboard (ISO layout)\n");
    154 		break;
    155 	case ADB_EXTKBD:
    156 		cmd = ADBTALK(sc->adbaddr, 1);
    157 		kbd_done =
    158 		    (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd) == 0);
    159 
    160 		/* Ignore Logitech MouseMan/Trackman pseudo keyboard */
    161 		if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x20) {
    162 			printf("Mouseman (non-EMP) pseudo keyboard\n");
    163 			adbinfo.siServiceRtPtr = (Ptr)0;
    164 			adbinfo.siDataAreaAddr = (Ptr)0;
    165 		} else if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x21) {
    166 			printf("Trackman (non-EMP) pseudo keyboard\n");
    167 			adbinfo.siServiceRtPtr = (Ptr)0;
    168 			adbinfo.siDataAreaAddr = (Ptr)0;
    169 		} else {
    170 			printf("extended keyboard\n");
    171 #ifdef notyet
    172 			blinkleds(sc);
    173 #endif
    174 		}
    175 		break;
    176 	case ADB_EXTISOKBD:
    177 		printf("extended keyboard (ISO layout)\n");
    178 #ifdef notyet
    179 		blinkleds(sc);
    180 #endif
    181 		break;
    182 	case ADB_KBDII:
    183 		printf("keyboard II\n");
    184 		break;
    185 	case ADB_ISOKBDII:
    186 		printf("keyboard II (ISO layout)\n");
    187 		break;
    188 	case ADB_PBKBD:
    189 		printf("PowerBook keyboard\n");
    190 		break;
    191 	case ADB_PBISOKBD:
    192 		printf("PowerBook keyboard (ISO layout)\n");
    193 		break;
    194 	case ADB_ADJKPD:
    195 		printf("adjustable keypad\n");
    196 		break;
    197 	case ADB_ADJKBD:
    198 		printf("adjustable keyboard\n");
    199 		break;
    200 	case ADB_ADJISOKBD:
    201 		printf("adjustable keyboard (ISO layout)\n");
    202 		break;
    203 	case ADB_ADJJAPKBD:
    204 		printf("adjustable keyboard (Japanese layout)\n");
    205 		break;
    206 	case ADB_PBEXTISOKBD:
    207 		printf("PowerBook extended keyboard (ISO layout)\n");
    208 		break;
    209 	case ADB_PBEXTJAPKBD:
    210 		printf("PowerBook extended keyboard (Japanese layout)\n");
    211 		break;
    212 	case ADB_JPKBDII:
    213 		printf("keyboard II (Japanese layout)\n");
    214 		break;
    215 	case ADB_PBEXTKBD:
    216 		printf("PowerBook extended keyboard\n");
    217 		break;
    218 	case ADB_DESIGNKBD:
    219 		printf("extended keyboard\n");
    220 #ifdef notyet
    221 		blinkleds(sc);
    222 #endif
    223 		break;
    224 	case ADB_PBJPKBD:
    225 		printf("PowerBook keyboard (Japanese layout)\n");
    226 		break;
    227 	case ADB_PBG3KBD:
    228 		printf("PowerBook G3 keyboard\n");
    229 		break;
    230 	case ADB_PBG3JPKBD:
    231 		printf("PowerBook G3 keyboard (Japanese layout)\n");
    232 		break;
    233 	default:
    234 		printf("mapped device (%d)\n", sc->handler_id);
    235 		break;
    236 	}
    237 	error = SetADBInfo(&adbinfo, sc->adbaddr);
    238 #ifdef ADB_DEBUG
    239 	if (adb_debug)
    240 		printf("akbd: returned %d from SetADBInfo\n", error);
    241 #endif
    242 
    243 	if (akbd_is_console && !akbd_console_attached) {
    244 		wskbd_cnattach(&akbd_consops, sc, &akbd_keymapdata);
    245 		akbd_console_attached = 1;
    246 	}
    247 
    248 	a.console = akbd_is_console;
    249 	a.keymap = &akbd_keymapdata;
    250 	a.accessops = &akbd_accessops;
    251 	a.accesscookie = sc;
    252 
    253 	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
    254 }
    255 
    256 
    257 /*
    258  * Handle putting the keyboard data received from the ADB into
    259  * an ADB event record.
    260  */
    261 void
    262 kbd_adbcomplete(uint8_t *buffer, uint8_t *data_area, int adb_command)
    263 {
    264 	adb_event_t event;
    265 	struct akbd_softc *ksc;
    266 	int adbaddr;
    267 #ifdef ADB_DEBUG
    268 	int i;
    269 
    270 	if (adb_debug)
    271 		printf("adb: transaction completion\n");
    272 #endif
    273 
    274 	adbaddr = ADB_CMDADDR(adb_command);
    275 	ksc = (struct akbd_softc *)data_area;
    276 
    277 	event.addr = adbaddr;
    278 	event.hand_id = ksc->handler_id;
    279 	event.def_addr = ksc->origaddr;
    280 	event.byte_count = buffer[0];
    281 	memcpy(event.bytes, buffer + 1, event.byte_count);
    282 
    283 #ifdef ADB_DEBUG
    284 	if (adb_debug) {
    285 		printf("akbd: from %d at %d (org %d) %d:", event.addr,
    286 		    event.hand_id, event.def_addr, buffer[0]);
    287 		for (i = 1; i <= buffer[0]; i++)
    288 			printf(" %x", buffer[i]);
    289 		printf("\n");
    290 	}
    291 #endif
    292 
    293 	microtime(&event.timestamp);
    294 
    295 	kbd_processevent(&event, ksc);
    296 }
    297 
    298 /*
    299  * Given a keyboard ADB event, record the keycodes and call the key
    300  * repeat handler, optionally passing the event through the mouse
    301  * button emulation handler first.
    302  */
    303 static void
    304 kbd_processevent(adb_event_t *event, struct akbd_softc *ksc)
    305 {
    306         adb_event_t new_event;
    307 
    308         new_event = *event;
    309 	new_event.u.k.key = event->bytes[0];
    310 	new_event.bytes[1] = 0xff;
    311 	kbd_intr(&new_event);
    312 #if NAED > 0
    313 	aed_input(&new_event);
    314 #endif
    315 	if (event->bytes[1] != 0xff) {
    316 		new_event.u.k.key = event->bytes[1];
    317 		new_event.bytes[0] = event->bytes[1];
    318 		new_event.bytes[1] = 0xff;
    319 		kbd_intr(&new_event);
    320 #if NAED > 0
    321 		aed_input(&new_event);
    322 #endif
    323 	}
    324 
    325 }
    326 
    327 #ifdef notyet
    328 /*
    329  * Get the actual hardware LED state and convert it to softc format.
    330  */
    331 static u_char
    332 getleds(int addr)
    333 {
    334 	short cmd;
    335 	u_char buffer[9], leds;
    336 
    337 	leds = 0x00;	/* all off */
    338 	buffer[0] = 0;
    339 
    340 	/* talk R2 */
    341 	cmd = ADBTALK(addr, 2);
    342 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 &&
    343 	    buffer[0] > 0)
    344 		leds = ~(buffer[2]) & 0x07;
    345 
    346 	return (leds);
    347 }
    348 
    349 /*
    350  * Set the keyboard LED's.
    351  *
    352  * Automatically translates from ioctl/softc format to the
    353  * actual keyboard register format
    354  */
    355 static int
    356 setleds(struct akbd_softc *ksc, u_char leds)
    357 {
    358 	int addr;
    359 	short cmd;
    360 	u_char buffer[9];
    361 
    362 	if ((leds & 0x07) == (ksc->sc_leds & 0x07))
    363 		return (0);
    364 
    365 	addr = ksc->adbaddr;
    366 	buffer[0] = 0;
    367 
    368 	cmd = ADBTALK(addr, 2);
    369 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) || buffer[0] == 0)
    370 		return (EIO);
    371 
    372 	leds = ~leds & 0x07;
    373 	buffer[2] &= 0xf8;
    374 	buffer[2] |= leds;
    375 
    376 	cmd = ADBLISTEN(addr, 2);
    377 	adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
    378 
    379 	cmd = ADBTALK(addr, 2);
    380 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) || buffer[0] == 0)
    381 		return (EIO);
    382 
    383 	ksc->sc_leds = ~((u_int8_t)buffer[2]) & 0x07;
    384 
    385 	if ((buffer[2] & 0xf8) != leds)
    386 		return (EIO);
    387 	else
    388 		return (0);
    389 }
    390 
    391 /*
    392  * Toggle all of the LED's on and off, just for show.
    393  */
    394 static void
    395 blinkleds(struct akbd_softc *ksc)
    396 {
    397 	int addr, i;
    398 	u_char blinkleds, origleds;
    399 
    400 	addr = ksc->adbaddr;
    401 	origleds = getleds(addr);
    402 	blinkleds = LED_NUMLOCK | LED_CAPSLOCK | LED_SCROLL_LOCK;
    403 
    404 	(void)setleds(ksc, blinkleds);
    405 
    406 	for (i = 0; i < 10000; i++)
    407 		delay(50);
    408 
    409 	/* make sure that we restore the LED settings */
    410 	i = 10;
    411 	do {
    412 		(void)setleds(ksc, (u_char)0x00);
    413 	} while (setleds(ksc, (u_char)0x00) && (i-- > 0));
    414 
    415 	return;
    416 }
    417 #endif
    418 
    419 int
    420 akbd_enable(void *v, int on)
    421 {
    422 	return 0;
    423 }
    424 
    425 void
    426 akbd_set_leds(void *v, int on)
    427 {
    428 }
    429 
    430 int
    431 akbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
    432 {
    433 #ifdef WSDISPLAY_COMPAT_RAWKBD
    434 	struct akbd_softc *sc = (struct akbd_softc *) v;
    435 #endif
    436 
    437 	switch (cmd) {
    438 
    439 	case WSKBDIO_GTYPE:
    440 		*(int *)data = WSKBD_TYPE_ADB;
    441 		return 0;
    442 	case WSKBDIO_SETLEDS:
    443 		return 0;
    444 	case WSKBDIO_GETLEDS:
    445 		*(int *)data = 0;
    446 		return 0;
    447 #ifdef WSDISPLAY_COMPAT_RAWKBD
    448 	case WSKBDIO_SETMODE:
    449 		sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
    450 		return 0;
    451 #endif
    452 	}
    453 	/* kbdioctl(...); */
    454 
    455 	return EPASSTHROUGH;
    456 }
    457 
    458 extern int adb_polling;
    459 
    460 void
    461 kbd_passup(struct akbd_softc *sc,int key)
    462 {
    463 	if (sc->sc_polling) {
    464 		if (sc->sc_npolledkeys <
    465 			(sizeof(sc->sc_polledkeys)/sizeof(unsigned char))) {
    466 			sc->sc_polledkeys[sc->sc_npolledkeys++] = key;
    467 		}
    468 #ifdef ADB_DEBUG
    469 		else {
    470 			printf("akbd: dumping polled key 0x%02x\n",key);
    471 		}
    472 #endif
    473 #ifdef WSDISPLAY_COMPAT_RAWKBD
    474 	} else if (sc->sc_rawkbd) {
    475 		char cbuf[2];
    476 		int s;
    477 		int j = 0;
    478 		int c = keyboard[ADBK_KEYVAL(key)][3];
    479 
    480 		if (c == 0)			/* XXX */
    481 			return;
    482 
    483 		if (c & 0x80)
    484 			cbuf[j++] = 0xe0;
    485 
    486 		cbuf[j++] = (c & 0x7f) | (ADBK_PRESS(key)? 0 : 0x80);
    487 
    488 		s = spltty();
    489 		wskbd_rawinput(sc->sc_wskbddev, cbuf, j);
    490 		splx(s);
    491 #endif
    492 	} else {
    493 		int press, val;
    494 		int type;
    495 
    496 		press = ADBK_PRESS(key);
    497 		val = ADBK_KEYVAL(key);
    498 
    499 		type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    500 
    501 		wskbd_input(sc->sc_wskbddev, type, val);
    502 	}
    503 }
    504 
    505 int
    506 kbd_intr(void *arg)
    507 {
    508 	adb_event_t *event = arg;
    509 	int key;
    510 #ifdef CAPS_IS_CONTROL
    511 	static int shift;
    512 #endif
    513 
    514 	struct akbd_softc *sc = device_lookup_private(&akbd_cd, 0);
    515 
    516 	key = event->u.k.key;
    517 
    518 #ifdef CAPS_IS_CONTROL
    519 	/*
    520 	 * Caps lock is weird. The key sequence generated is:
    521 	 * press:   down(57) [57]  (LED turns on)
    522 	 * release: up(127)  [255]
    523 	 * press:   up(127)  [255]
    524 	 * release: up(57)   [185] (LED turns off)
    525 	 */
    526 	if ((key == 57) || (key == 185))
    527 		shift = 0;
    528 
    529 	if (key == 255) {
    530 		if (shift == 0) {
    531 			key = 185;
    532 			shift = 1;
    533 		} else {
    534 			key = 57;
    535 			shift = 0;
    536 		}
    537 	}
    538 #endif
    539 
    540 	switch (key) {
    541 #ifndef CAPS_IS_CONTROL
    542 	case 57:	/* Caps Lock pressed */
    543 	case 185:	/* Caps Lock released */
    544 		key = ADBK_KEYDOWN(ADBK_KEYVAL(key));
    545 		kbd_passup(sc,key);
    546 		key = ADBK_KEYUP(ADBK_KEYVAL(key));
    547 		break;
    548 #endif
    549 	case 245:
    550 		if (pcmcia_soft_eject)
    551 			pm_eject_pcmcia(0);
    552 		break;
    553 	case 244:
    554 		if (pcmcia_soft_eject)
    555 			pm_eject_pcmcia(1);
    556 		break;
    557 	}
    558 
    559 	kbd_passup(sc,key);
    560 
    561 	return 0;
    562 }
    563 
    564 int
    565 akbd_cnattach(void)
    566 {
    567 
    568 	akbd_is_console = 1;
    569 	return 0;
    570 }
    571 
    572 void
    573 akbd_cngetc(void *v, u_int *type, int *data)
    574 {
    575 	int key, press, val;
    576 	int s;
    577 	struct akbd_softc *sc = v;
    578 
    579 	s = splhigh();
    580 
    581 	KASSERT(sc->sc_polling);
    582 	KASSERT(adb_polling);
    583 
    584 	while (sc->sc_npolledkeys == 0) {
    585 		adb_intr(NULL);
    586 		DELAY(10000);				/* XXX */
    587 	}
    588 
    589 	splx(s);
    590 
    591 	key = sc->sc_polledkeys[0];
    592 	sc->sc_npolledkeys--;
    593 	memmove(sc->sc_polledkeys,sc->sc_polledkeys+1,
    594 		sc->sc_npolledkeys * sizeof(unsigned char));
    595 
    596 	press = ADBK_PRESS(key);
    597 	val = ADBK_KEYVAL(key);
    598 
    599 	*data = val;
    600 	*type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    601 }
    602 
    603 void
    604 akbd_cnpollc(void *v, int on)
    605 {
    606 	struct akbd_softc *sc = v;
    607 	sc->sc_polling = on;
    608 	if (!on) {
    609 		int i;
    610 		for(i=0;i<sc->sc_npolledkeys;i++) {
    611 			kbd_passup(sc,sc->sc_polledkeys[i]);
    612 		}
    613 		sc->sc_npolledkeys = 0;
    614 	}
    615 	adb_polling = on;
    616 }
    617