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akbd.c revision 1.15.6.1
      1 /*	$NetBSD: akbd.c,v 1.15.6.1 2004/08/03 10:37:05 skrll 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 1.15.6.1 2004/08/03 10:37:05 skrll Exp $");
     35 
     36 #include "opt_adb.h"
     37 
     38 #include <sys/param.h>
     39 #include <sys/device.h>
     40 #include <sys/fcntl.h>
     41 #include <sys/poll.h>
     42 #include <sys/select.h>
     43 #include <sys/proc.h>
     44 #include <sys/signalvar.h>
     45 #include <sys/systm.h>
     46 #include <sys/kernel.h>
     47 
     48 #include "aed.h"
     49 #include "wskbd.h"
     50 
     51 #include <dev/wscons/wsconsio.h>
     52 #include <dev/wscons/wskbdvar.h>
     53 #include <dev/wscons/wsksymdef.h>
     54 #include <dev/wscons/wsksymvar.h>
     55 
     56 #include <machine/autoconf.h>
     57 #include <machine/cpu.h>
     58 #define KEYBOARD_ARRAY
     59 #include <machine/keyboard.h>
     60 #include <machine/viareg.h>
     61 
     62 #include <mac68k/mac68k/macrom.h>
     63 #include <mac68k/dev/adbvar.h>
     64 #include <mac68k/dev/aedvar.h>
     65 #include <mac68k/dev/akbdmap.h>
     66 #include <mac68k/dev/akbdvar.h>
     67 #include <mac68k/dev/amsvar.h>
     68 
     69 /*
     70  * Function declarations.
     71  */
     72 static int	akbdmatch __P((struct device *, struct cfdata *, void *));
     73 static void	akbdattach __P((struct device *, struct device *, void *));
     74 void		kbd_adbcomplete __P((caddr_t buffer, caddr_t data_area, int adb_command));
     75 static void	kbd_processevent __P((adb_event_t *event, struct akbd_softc *));
     76 #ifdef notyet
     77 static u_char	getleds __P((int));
     78 static int	setleds __P((struct akbd_softc *, u_char));
     79 static void	blinkleds __P((struct akbd_softc *));
     80 #endif
     81 
     82 /*
     83  * Local variables.
     84  */
     85 
     86 /* Driver definition. */
     87 CFATTACH_DECL(akbd, sizeof(struct akbd_softc),
     88     akbdmatch, akbdattach, NULL, NULL);
     89 
     90 extern struct cfdriver akbd_cd;
     91 
     92 int kbd_intr __P((adb_event_t *event, struct akbd_softc *));
     93 int akbd_enable __P((void *, int));
     94 void akbd_set_leds __P((void *, int));
     95 int akbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
     96 
     97 struct wskbd_accessops akbd_accessops = {
     98 	akbd_enable,
     99 	akbd_set_leds,
    100 	akbd_ioctl,
    101 };
    102 
    103 void akbd_cngetc __P((void *, u_int *, int *));
    104 void akbd_cnpollc __P((void *, int));
    105 int akbd_cnattach __P((void));
    106 
    107 struct wskbd_consops akbd_consops = {
    108 	akbd_cngetc,
    109 	akbd_cnpollc,
    110 };
    111 
    112 struct wskbd_mapdata akbd_keymapdata = {
    113 	akbd_keydesctab,
    114 	KB_US,
    115 };
    116 
    117 static int akbd_is_console __P((void));
    118 
    119 static int
    120 akbdmatch(parent, cf, aux)
    121 	struct device *parent;
    122 	struct cfdata *cf;
    123 	void   *aux;
    124 {
    125 	struct adb_attach_args *aa_args = (struct adb_attach_args *)aux;
    126 
    127 	if (aa_args->origaddr == ADBADDR_KBD)
    128 		return 1;
    129 	else
    130 		return 0;
    131 }
    132 
    133 static void
    134 akbdattach(parent, self, aux)
    135 	struct device *parent, *self;
    136 	void   *aux;
    137 {
    138 	ADBSetInfoBlock adbinfo;
    139 	struct akbd_softc *sc = (struct akbd_softc *)self;
    140 	struct adb_attach_args *aa_args = (struct adb_attach_args *)aux;
    141 	int error, kbd_done;
    142 	short cmd;
    143 	u_char buffer[9];
    144 #if NWSKBD > 0
    145 	struct wskbddev_attach_args a;
    146 	static int akbd_console_initted = 0;
    147 	int wskbd_eligible;
    148 
    149 	wskbd_eligible = 1;
    150 #endif
    151 
    152 	sc->origaddr = aa_args->origaddr;
    153 	sc->adbaddr = aa_args->adbaddr;
    154 	sc->handler_id = aa_args->handler_id;
    155 
    156 	sc->sc_leds = (u_int8_t)0x00;	/* initially off */
    157 
    158 	adbinfo.siServiceRtPtr = (Ptr)adb_kbd_asmcomplete;
    159 	adbinfo.siDataAreaAddr = (caddr_t)sc;
    160 
    161 	switch (sc->handler_id) {
    162 	case ADB_STDKBD:
    163 		printf("standard keyboard\n");
    164 		break;
    165 	case ADB_ISOKBD:
    166 		printf("standard keyboard (ISO layout)\n");
    167 		break;
    168 	case ADB_EXTKBD:
    169 		cmd = ADBTALK(sc->adbaddr, 1);
    170 		kbd_done =
    171 		    (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0);
    172 
    173 		/* Ignore Logitech MouseMan/Trackman pseudo keyboard */
    174 		if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x20) {
    175 			printf("Mouseman (non-EMP) pseudo keyboard\n");
    176 			adbinfo.siServiceRtPtr = (Ptr)0;
    177 			adbinfo.siDataAreaAddr = (Ptr)0;
    178 #if NWSKBD > 0
    179 			wskbd_eligible = 0;
    180 #endif /* NWSKBD > 0 */
    181 		} else if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x21) {
    182 			printf("Trackman (non-EMP) pseudo keyboard\n");
    183 			adbinfo.siServiceRtPtr = (Ptr)0;
    184 			adbinfo.siDataAreaAddr = (Ptr)0;
    185 #if NWSKBD > 0
    186 			wskbd_eligible = 0;
    187 #endif /* NWSKBD > 0 */
    188 		} else {
    189 			printf("extended keyboard\n");
    190 #ifdef notyet
    191 			blinkleds(sc);
    192 #endif
    193 		}
    194 		break;
    195 	case ADB_EXTISOKBD:
    196 		printf("extended keyboard (ISO layout)\n");
    197 #ifdef notyet
    198 		blinkleds(sc);
    199 #endif
    200 		break;
    201 	case ADB_KBDII:
    202 		printf("keyboard II\n");
    203 		break;
    204 	case ADB_ISOKBDII:
    205 		printf("keyboard II (ISO layout)\n");
    206 		break;
    207 	case ADB_PBKBD:
    208 		printf("PowerBook keyboard\n");
    209 		break;
    210 	case ADB_PBISOKBD:
    211 		printf("PowerBook keyboard (ISO layout)\n");
    212 		break;
    213 	case ADB_ADJKPD:
    214 		printf("adjustable keypad\n");
    215 #if NWSKBD > 0
    216 		wskbd_eligible = 0;
    217 #endif /* NWSKBD > 0 */
    218 		break;
    219 	case ADB_ADJKBD:
    220 		printf("adjustable keyboard\n");
    221 		break;
    222 	case ADB_ADJISOKBD:
    223 		printf("adjustable keyboard (ISO layout)\n");
    224 		break;
    225 	case ADB_ADJJAPKBD:
    226 		printf("adjustable keyboard (Japanese layout)\n");
    227 		break;
    228 	case ADB_PBEXTISOKBD:
    229 		printf("PowerBook extended keyboard (ISO layout)\n");
    230 		break;
    231 	case ADB_PBEXTJAPKBD:
    232 		printf("PowerBook extended keyboard (Japanese layout)\n");
    233 		break;
    234 	case ADB_JPKBDII:
    235 		printf("keyboard II (Japanese layout)\n");
    236 		break;
    237 	case ADB_PBEXTKBD:
    238 		printf("PowerBook extended keyboard\n");
    239 		break;
    240 	case ADB_DESIGNKBD:
    241 		printf("extended keyboard\n");
    242 #ifdef notyet
    243 		blinkleds(sc);
    244 #endif
    245 		break;
    246 	case ADB_PBJPKBD:
    247 		printf("PowerBook keyboard (Japanese layout)\n");
    248 		break;
    249 	default:
    250 		printf("mapped device (%d)\n", sc->handler_id);
    251 #if NWSKBD > 0
    252 		wskbd_eligible = 0;
    253 #endif /* NWSKBD > 0 */
    254 		break;
    255 	}
    256 	error = SetADBInfo(&adbinfo, sc->adbaddr);
    257 #ifdef ADB_DEBUG
    258 	if (adb_debug)
    259 		printf("akbd: returned %d from SetADBInfo\n", error);
    260 #endif
    261 
    262 #if NWSKBD > 0
    263 	if (akbd_is_console() && wskbd_eligible)
    264 		a.console = (++akbd_console_initted == 1);
    265 	else
    266 		a.console = 0;
    267 	a.keymap = &akbd_keymapdata;
    268 	a.accessops = &akbd_accessops;
    269 	a.accesscookie = sc;
    270 
    271 	sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
    272 #endif
    273 }
    274 
    275 
    276 /*
    277  * Handle putting the keyboard data received from the ADB into
    278  * an ADB event record.
    279  */
    280 void
    281 kbd_adbcomplete(buffer, data_area, adb_command)
    282 	caddr_t buffer;
    283 	caddr_t data_area;
    284 	int adb_command;
    285 {
    286 	adb_event_t event;
    287 	struct akbd_softc *ksc;
    288 	int adbaddr;
    289 #ifdef ADB_DEBUG
    290 	int i;
    291 
    292 	if (adb_debug)
    293 		printf("adb: transaction completion\n");
    294 #endif
    295 
    296 	adbaddr = ADB_CMDADDR(adb_command);
    297 	ksc = (struct akbd_softc *)data_area;
    298 
    299 	event.addr = adbaddr;
    300 	event.hand_id = ksc->handler_id;
    301 	event.def_addr = ksc->origaddr;
    302 	event.byte_count = buffer[0];
    303 	memcpy(event.bytes, buffer + 1, event.byte_count);
    304 
    305 #ifdef ADB_DEBUG
    306 	if (adb_debug) {
    307 		printf("akbd: from %d at %d (org %d) %d:", event.addr,
    308 		    event.hand_id, event.def_addr, buffer[0]);
    309 		for (i = 1; i <= buffer[0]; i++)
    310 			printf(" %x", buffer[i]);
    311 		printf("\n");
    312 	}
    313 #endif
    314 
    315 	microtime(&event.timestamp);
    316 
    317 	kbd_processevent(&event, ksc);
    318 }
    319 
    320 /*
    321  * Given a keyboard ADB event, record the keycodes and call the key
    322  * repeat handler, optionally passing the event through the mouse
    323  * button emulation handler first.
    324  */
    325 static void
    326 kbd_processevent(event, ksc)
    327         adb_event_t *event;
    328         struct akbd_softc *ksc;
    329 {
    330         adb_event_t new_event;
    331 
    332         new_event = *event;
    333 	new_event.u.k.key = event->bytes[0];
    334 	new_event.bytes[1] = 0xff;
    335 #if NAED > 0
    336 	if (adb_polling || !aed_input(&new_event))
    337 #endif
    338 #if NWSKBD > 0
    339 		if (ksc->sc_wskbddev != NULL) /* wskbd is attached? */
    340 			kbd_intr(&new_event, ksc);
    341 #else
    342 		/* do nothing */ ;
    343 #endif
    344 	if (event->bytes[1] != 0xff) {
    345 		new_event.u.k.key = event->bytes[1];
    346 		new_event.bytes[0] = event->bytes[1];
    347 		new_event.bytes[1] = 0xff;
    348 #if NAED > 0
    349 		if (adb_polling || !aed_input(&new_event))
    350 #endif
    351 #if NWSKBD > 0
    352 			if (ksc->sc_wskbddev != NULL) /* wskbd is attached? */
    353 				kbd_intr(&new_event, ksc);
    354 #else
    355 			/* do nothing */ ;
    356 #endif
    357 	}
    358 
    359 }
    360 
    361 #ifdef notyet
    362 /*
    363  * Get the actual hardware LED state and convert it to softc format.
    364  */
    365 static u_char
    366 getleds(addr)
    367 	int	addr;
    368 {
    369 	short cmd;
    370 	u_char buffer[9], leds;
    371 
    372 	leds = 0x00;	/* all off */
    373 	buffer[0] = 0;
    374 
    375 	cmd = ADBTALK(addr, 2);
    376 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 &&
    377 	    buffer[0] > 0)
    378 		leds = ~(buffer[2]) & 0x07;
    379 
    380 	return (leds);
    381 }
    382 
    383 /*
    384  * Set the keyboard LED's.
    385  *
    386  * Automatically translates from ioctl/softc format to the
    387  * actual keyboard register format
    388  */
    389 static int
    390 setleds(ksc, leds)
    391 	struct akbd_softc *ksc;
    392 	u_char	leds;
    393 {
    394 	int addr;
    395 	short cmd;
    396 	u_char buffer[9];
    397 
    398 	if ((leds & 0x07) == (ksc->sc_leds & 0x07))
    399 		return (0);
    400 
    401 	addr = ksc->adbaddr;
    402 	buffer[0] = 0;
    403 
    404 	cmd = ADBTALK(addr, 2);
    405 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) || buffer[0] == 0)
    406 		return (EIO);
    407 
    408 	leds = ~leds & 0x07;
    409 	buffer[2] &= 0xf8;
    410 	buffer[2] |= leds;
    411 
    412 	cmd = ADBLISTEN(addr, 2);
    413 	adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
    414 
    415 	/* talk R2 */
    416 	cmd = ADBTALK(addr, 2);
    417 	if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) || buffer[0] == 0)
    418 		return (EIO);
    419 
    420 	ksc->sc_leds = ~((u_int8_t)buffer[2]) & 0x07;
    421 
    422 	if ((buffer[2] & 0xf8) != leds)
    423 		return (EIO);
    424 	else
    425 		return (0);
    426 }
    427 
    428 /*
    429  * Toggle all of the LED's on and off, just for show.
    430  */
    431 static void
    432 blinkleds(ksc)
    433 	struct akbd_softc *ksc;
    434 {
    435 	int addr, i;
    436 	u_char blinkleds, origleds;
    437 
    438 	addr = ksc->adbaddr;
    439 	origleds = getleds(addr);
    440 	blinkleds = LED_NUMLOCK | LED_CAPSLOCK | LED_SCROLL_LOCK;
    441 
    442 	(void)setleds(ksc, blinkleds);
    443 
    444 	for (i = 0; i < 10000; i++)
    445 		delay(50);
    446 
    447 	/* make sure that we restore the LED settings */
    448 	i = 10;
    449 	do {
    450 		(void)setleds(ksc, (u_char)0x00);
    451 	} while (setleds(ksc, (u_char)0x00) && (i-- > 0));
    452 
    453 	return;
    454 }
    455 #endif
    456 
    457 int
    458 akbd_is_console()
    459 {
    460 	extern struct mac68k_machine_S mac68k_machine;
    461 
    462 	return ((mac68k_machine.serial_console & 0x03) == 0);
    463 }
    464 
    465 int
    466 akbd_enable(v, on)
    467 	void *v;
    468 	int on;
    469 {
    470 	return 0;
    471 }
    472 
    473 void
    474 akbd_set_leds(v, on)
    475 	void *v;
    476 	int on;
    477 {
    478 }
    479 
    480 int
    481 akbd_ioctl(v, cmd, data, flag, p)
    482 	void *v;
    483 	u_long cmd;
    484 	caddr_t data;
    485 	int flag;
    486 	struct proc *p;
    487 {
    488 	switch (cmd) {
    489 
    490 	case WSKBDIO_GTYPE:
    491 		*(int *)data = 0;		/* XXX */
    492 		return 0;
    493 	case WSKBDIO_SETLEDS:
    494 		return 0;
    495 	case WSKBDIO_GETLEDS:
    496 		*(int *)data = 0;
    497 		return 0;
    498 	case WSKBDIO_BELL:
    499 	case WSKBDIO_COMPLEXBELL:
    500 #define d ((struct wskbd_bell_data *)data)
    501 		mac68k_ring_bell(d->pitch, d->period * hz / 1000, 100);
    502 		/* comes in as msec, goes out as ticks; volume ignored */
    503 #undef d
    504 		return (0);
    505 	}
    506 	/* kbdioctl(...); */
    507 
    508 	return EPASSTHROUGH;
    509 }
    510 
    511 static int polledkey;
    512 extern int adb_polling;
    513 
    514 int
    515 kbd_intr(event, sc)
    516 	adb_event_t *event;
    517 	struct akbd_softc *sc;
    518 {
    519 	int key, press, val;
    520 	int type;
    521 
    522 	key = event->u.k.key;
    523 	press = ADBK_PRESS(key);
    524 	val = ADBK_KEYVAL(key);
    525 
    526 	type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    527 
    528 	if (key == 185) {	/* Caps Lock released */
    529 		type = WSCONS_EVENT_KEY_DOWN;
    530 		wskbd_input(sc->sc_wskbddev, type, val);
    531 		type = WSCONS_EVENT_KEY_UP;
    532 	}
    533 
    534 	if (adb_polling)
    535 		polledkey = key;
    536 	else
    537 		wskbd_input(sc->sc_wskbddev, type, val);
    538 
    539 	return 0;
    540 }
    541 
    542 int
    543 akbd_cnattach()
    544 {
    545 	wskbd_cnattach(&akbd_consops, NULL, &akbd_keymapdata);
    546 
    547 	return 0;
    548 }
    549 
    550 void
    551 akbd_cngetc(v, type, data)
    552 	void *v;
    553 	u_int *type;
    554 	int *data;
    555 {
    556 	int intbits, key, press, val;
    557 	int s;
    558 
    559 	s = splhigh();
    560 
    561 	polledkey = -1;
    562 	adb_polling = 1;
    563 
    564 	while (polledkey == -1) {
    565 		intbits = via_reg(VIA1, vIFR);
    566 
    567 		if (intbits & V1IF_ADBRDY) {
    568 			mrg_adbintr();
    569 			via_reg(VIA1, vIFR) = V1IF_ADBRDY;
    570 		}
    571 		if (intbits & 0x10) {
    572 			mrg_pmintr();
    573 			via_reg(VIA1, vIFR) = 0x10;
    574 		}
    575 	}
    576 
    577 	adb_polling = 0;
    578 	splx(s);
    579 
    580 	key = polledkey;
    581 	press = ADBK_PRESS(key);
    582 	val = ADBK_KEYVAL(key);
    583 
    584 	*data = val;
    585 	*type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    586 }
    587 
    588 void
    589 akbd_cnpollc(v, on)
    590 	void *v;
    591 	int on;
    592 {
    593 }
    594