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adb_kbd.c revision 1.24
      1 /*	$NetBSD: adb_kbd.c,v 1.24 2014/11/08 17:21:51 macallan Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1998	Colin Wood
      5  * Copyright (C) 2006, 2007 Michael Lorenz
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by Colin Wood.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #include <sys/cdefs.h>
     35 __KERNEL_RCSID(0, "$NetBSD: adb_kbd.c,v 1.24 2014/11/08 17:21:51 macallan Exp $");
     36 
     37 #include <sys/param.h>
     38 #include <sys/device.h>
     39 #include <sys/fcntl.h>
     40 #include <sys/poll.h>
     41 #include <sys/select.h>
     42 #include <sys/proc.h>
     43 #include <sys/systm.h>
     44 #include <sys/kernel.h>
     45 #include <sys/sysctl.h>
     46 
     47 #include <dev/wscons/wsconsio.h>
     48 #include <dev/wscons/wskbdvar.h>
     49 #include <dev/wscons/wsksymdef.h>
     50 #include <dev/wscons/wsksymvar.h>
     51 #include <dev/wscons/wsmousevar.h>
     52 
     53 #include <dev/sysmon/sysmonvar.h>
     54 #include <dev/sysmon/sysmon_taskq.h>
     55 
     56 #include <machine/autoconf.h>
     57 #include <machine/keyboard.h>
     58 #include <machine/adbsys.h>
     59 
     60 #include <dev/adb/adbvar.h>
     61 #include <dev/adb/adb_keymap.h>
     62 
     63 #include "opt_wsdisplay_compat.h"
     64 #include "opt_adbkbd.h"
     65 #include "adbdebug.h"
     66 #include "wsmouse.h"
     67 
     68 struct adbkbd_softc {
     69 	device_t sc_dev;
     70 	struct adb_device *sc_adbdev;
     71 	struct adb_bus_accessops *sc_ops;
     72 	device_t sc_wskbddev;
     73 #if NWSMOUSE > 0
     74 	device_t sc_wsmousedev;
     75 #endif
     76 	struct sysmon_pswitch sc_sm_pbutton;
     77 	int sc_leds;
     78 	int sc_have_led_control;
     79 	int sc_power_button_delay;
     80 	int sc_msg_len;
     81 	int sc_event;
     82 	int sc_poll;
     83 	int sc_polled_chars;
     84 	int sc_trans[3];
     85 	int sc_capslock;
     86 	uint32_t sc_timestamp;
     87 #ifdef WSDISPLAY_COMPAT_RAWKBD
     88 	int sc_rawkbd;
     89 #endif
     90 	bool sc_emul_usb;
     91 
     92 	uint32_t sc_power;
     93 	uint8_t sc_buffer[16];
     94 	uint8_t sc_pollbuf[16];
     95 	uint8_t sc_us, sc_pe;
     96 };
     97 
     98 /*
     99  * Function declarations.
    100  */
    101 static int	adbkbd_match(device_t, cfdata_t, void *);
    102 static void	adbkbd_attach(device_t, device_t, void *);
    103 
    104 static void	adbkbd_initleds(struct adbkbd_softc *);
    105 static void	adbkbd_keys(struct adbkbd_softc *, uint8_t, uint8_t);
    106 static inline void adbkbd_key(struct adbkbd_softc *, uint8_t);
    107 static int	adbkbd_wait(struct adbkbd_softc *, int);
    108 
    109 /* Driver definition. */
    110 CFATTACH_DECL_NEW(adbkbd, sizeof(struct adbkbd_softc),
    111     adbkbd_match, adbkbd_attach, NULL, NULL);
    112 
    113 extern struct cfdriver adbkbd_cd;
    114 
    115 static int adbkbd_enable(void *, int);
    116 static int adbkbd_ioctl(void *, u_long, void *, int, struct lwp *);
    117 static void adbkbd_set_leds(void *, int);
    118 static void adbkbd_handler(void *, int, uint8_t *);
    119 static void adbkbd_powerbutton(void *);
    120 
    121 struct wskbd_accessops adbkbd_accessops = {
    122 	adbkbd_enable,
    123 	adbkbd_set_leds,
    124 	adbkbd_ioctl,
    125 };
    126 
    127 static void adbkbd_cngetc(void *, u_int *, int *);
    128 static void adbkbd_cnpollc(void *, int);
    129 
    130 struct wskbd_consops adbkbd_consops = {
    131 	adbkbd_cngetc,
    132 	adbkbd_cnpollc,
    133 };
    134 
    135 struct wskbd_mapdata adbkbd_keymapdata = {
    136 	akbd_keydesctab,
    137 #ifdef AKBD_LAYOUT
    138 	AKBD_LAYOUT,
    139 #else
    140 	KB_US,
    141 #endif
    142 };
    143 
    144 #if NWSMOUSE > 0
    145 static int adbkms_enable(void *);
    146 static int adbkms_ioctl(void *, u_long, void *, int, struct lwp *);
    147 static void adbkms_disable(void *);
    148 
    149 const struct wsmouse_accessops adbkms_accessops = {
    150 	adbkms_enable,
    151 	adbkms_ioctl,
    152 	adbkms_disable,
    153 };
    154 
    155 static int  adbkbd_sysctl_mid(SYSCTLFN_ARGS);
    156 static int  adbkbd_sysctl_right(SYSCTLFN_ARGS);
    157 static int  adbkbd_sysctl_usb(SYSCTLFN_ARGS);
    158 
    159 #endif /* NWSMOUSE > 0 */
    160 
    161 static void adbkbd_setup_sysctl(struct adbkbd_softc *);
    162 
    163 #ifdef ADBKBD_DEBUG
    164 #define DPRINTF printf
    165 #else
    166 #define DPRINTF while (0) printf
    167 #endif
    168 
    169 static int adbkbd_is_console = 0;
    170 static int adbkbd_console_attached = 0;
    171 
    172 static int
    173 adbkbd_match(device_t parent, cfdata_t cf, void *aux)
    174 {
    175 	struct adb_attach_args *aaa = aux;
    176 
    177 	if (aaa->dev->original_addr == ADBADDR_KBD)
    178 		return 1;
    179 	else
    180 		return 0;
    181 }
    182 
    183 static void
    184 adbkbd_attach(device_t parent, device_t self, void *aux)
    185 {
    186 	struct adbkbd_softc *sc = device_private(self);
    187 	struct adb_attach_args *aaa = aux;
    188 	short cmd;
    189 	struct wskbddev_attach_args a;
    190 #if NWSMOUSE > 0
    191 	struct wsmousedev_attach_args am;
    192 #endif
    193 	uint8_t buffer[2];
    194 
    195 	sc->sc_dev = self;
    196 	sc->sc_ops = aaa->ops;
    197 	sc->sc_adbdev = aaa->dev;
    198 	sc->sc_adbdev->cookie = sc;
    199 	sc->sc_adbdev->handler = adbkbd_handler;
    200 	sc->sc_us = ADBTALK(sc->sc_adbdev->current_addr, 0);
    201 
    202 	sc->sc_leds = 0;	/* initially off */
    203 	sc->sc_have_led_control = 0;
    204 
    205 	/*
    206 	 * If this is != 0 then pushing the power button will not immadiately
    207 	 * send a shutdown event to sysmon but instead require another key
    208 	 * press within 5 seconds with a gap of at least two seconds. The
    209 	 * reason to do this is the fact that some PowerBook keyboards,
    210 	 * like the 2400, 3400 and original G3 have their power buttons
    211 	 * right next to the backspace key and it's extremely easy to hit
    212 	 * it by accident.
    213 	 * On most other keyboards the power button is sufficiently far out
    214 	 * of the way so we don't need this.
    215 	 */
    216 	sc->sc_power_button_delay = 0;
    217 	sc->sc_msg_len = 0;
    218 	sc->sc_poll = 0;
    219 	sc->sc_capslock = 0;
    220 	sc->sc_trans[1] = 103;	/* F11 */
    221 	sc->sc_trans[2] = 111;	/* F12 */
    222 
    223 	/*
    224 	 * Most ADB keyboards send 0x7f 0x7f when the power button is pressed.
    225 	 * Some older PowerBooks, like the 3400c, will send a single scancode
    226 	 * 0x7e instead. Unfortunately Fn-Command on some more recent *Books
    227 	 * sends the same scancode, so by default sc_power is set to a value
    228 	 * that can't occur as a scancode and only set to 0x7e on hardware that
    229 	 * needs it
    230 	 */
    231 	sc->sc_power = 0xffff;
    232 	sc->sc_timestamp = 0;
    233 	sc->sc_emul_usb = FALSE;
    234 
    235 	aprint_normal(" addr %d: ", sc->sc_adbdev->current_addr);
    236 
    237 	switch (sc->sc_adbdev->handler_id) {
    238 	case ADB_STDKBD:
    239 		aprint_normal("standard keyboard\n");
    240 		break;
    241 	case ADB_ISOKBD:
    242 		aprint_normal("standard keyboard (ISO layout)\n");
    243 		break;
    244 	case ADB_EXTKBD:
    245 		cmd = ADBTALK(sc->sc_adbdev->current_addr, 1);
    246 		sc->sc_msg_len = 0;
    247 		sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
    248 		adbkbd_wait(sc, 10);
    249 
    250 		/* Ignore Logitech MouseMan/Trackman pseudo keyboard */
    251 		/* XXX needs testing */
    252 		if (sc->sc_buffer[2] == 0x9a && sc->sc_buffer[3] == 0x20) {
    253 			aprint_normal("Mouseman (non-EMP) pseudo keyboard\n");
    254 			return;
    255 		} else if (sc->sc_buffer[2] == 0x9a &&
    256 		    sc->sc_buffer[3] == 0x21) {
    257 			aprint_normal("Trackman (non-EMP) pseudo keyboard\n");
    258 			return;
    259 		} else {
    260 			aprint_normal("extended keyboard\n");
    261 			adbkbd_initleds(sc);
    262 		}
    263 		break;
    264 	case ADB_EXTISOKBD:
    265 		aprint_normal("extended keyboard (ISO layout)\n");
    266 		adbkbd_initleds(sc);
    267 		break;
    268 	case ADB_KBDII:
    269 		aprint_normal("keyboard II\n");
    270 		break;
    271 	case ADB_ISOKBDII:
    272 		aprint_normal("keyboard II (ISO layout)\n");
    273 		break;
    274 	case ADB_PBKBD:
    275 		aprint_normal("PowerBook keyboard\n");
    276 		sc->sc_power = 0x7e;
    277 		sc->sc_power_button_delay = 1;
    278 		break;
    279 	case ADB_PBISOKBD:
    280 		aprint_normal("PowerBook keyboard (ISO layout)\n");
    281 		sc->sc_power = 0x7e;
    282 		sc->sc_power_button_delay = 1;
    283 		break;
    284 	case ADB_ADJKPD:
    285 		aprint_normal("adjustable keypad\n");
    286 		break;
    287 	case ADB_ADJKBD:
    288 		aprint_normal("adjustable keyboard\n");
    289 		break;
    290 	case ADB_ADJISOKBD:
    291 		aprint_normal("adjustable keyboard (ISO layout)\n");
    292 		break;
    293 	case ADB_ADJJAPKBD:
    294 		aprint_normal("adjustable keyboard (Japanese layout)\n");
    295 		break;
    296 	case ADB_PBEXTISOKBD:
    297 		aprint_normal("PowerBook extended keyboard (ISO layout)\n");
    298 		sc->sc_power_button_delay = 1;
    299 		sc->sc_power = 0x7e;
    300 		break;
    301 	case ADB_PBEXTJAPKBD:
    302 		aprint_normal("PowerBook extended keyboard (Japanese layout)\n");
    303 		sc->sc_power_button_delay = 1;
    304 		sc->sc_power = 0x7e;
    305 		break;
    306 	case ADB_JPKBDII:
    307 		aprint_normal("keyboard II (Japanese layout)\n");
    308 		break;
    309 	case ADB_PBEXTKBD:
    310 		aprint_normal("PowerBook extended keyboard\n");
    311 		sc->sc_power_button_delay = 1;
    312 		sc->sc_power = 0x7e;
    313 		break;
    314 	case ADB_DESIGNKBD:
    315 		aprint_normal("extended keyboard\n");
    316 		adbkbd_initleds(sc);
    317 		break;
    318 	case ADB_PBJPKBD:
    319 		aprint_normal("PowerBook keyboard (Japanese layout)\n");
    320 		sc->sc_power_button_delay = 1;
    321 		sc->sc_power = 0x7e;
    322 		break;
    323 	case ADB_PBG3KBD:
    324 		aprint_normal("PowerBook G3 keyboard\n");
    325 		break;
    326 	case ADB_PBG3JPKBD:
    327 		aprint_normal("PowerBook G3 keyboard (Japanese layout)\n");
    328 		break;
    329 	case ADB_IBOOKKBD:
    330 		aprint_normal("iBook keyboard\n");
    331 		break;
    332 	default:
    333 		aprint_normal("mapped device (%d)\n", sc->sc_adbdev->handler_id);
    334 		break;
    335 	}
    336 
    337 	/*
    338 	 * try to switch to extended protocol
    339 	 * as in, tell the keyboard to distinguish between left and right
    340 	 * Shift, Control and Alt keys
    341 	 */
    342 	cmd = ADBLISTEN(sc->sc_adbdev->current_addr, 3);
    343 	buffer[0] = sc->sc_adbdev->current_addr;
    344 	buffer[1] = 3;
    345 	sc->sc_msg_len = 0;
    346 	sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 2, buffer);
    347 	adbkbd_wait(sc, 10);
    348 
    349 	cmd = ADBTALK(sc->sc_adbdev->current_addr, 3);
    350 	sc->sc_msg_len = 0;
    351 	sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
    352 	adbkbd_wait(sc, 10);
    353 	if ((sc->sc_msg_len == 4) && (sc->sc_buffer[3] == 3)) {
    354 		aprint_verbose_dev(sc->sc_dev, "extended protocol enabled\n");
    355 	}
    356 
    357 	if (adbkbd_is_console && (adbkbd_console_attached == 0)) {
    358 		wskbd_cnattach(&adbkbd_consops, sc, &adbkbd_keymapdata);
    359 		adbkbd_console_attached = 1;
    360 		a.console = 1;
    361 	} else {
    362 		a.console = 0;
    363 	}
    364 	a.keymap = &adbkbd_keymapdata;
    365 	a.accessops = &adbkbd_accessops;
    366 	a.accesscookie = sc;
    367 
    368 	sc->sc_wskbddev = config_found_ia(self, "wskbddev", &a, wskbddevprint);
    369 #ifdef ADBKBD_EMUL_USB
    370 	sc->sc_emul_usb = TRUE;
    371 	wskbd_set_evtrans(sc->sc_wskbddev, adb_to_usb, 128);
    372 #endif /* ADBKBD_EMUL_USB */
    373 
    374 #if NWSMOUSE > 0
    375 	/* attach the mouse device */
    376 	am.accessops = &adbkms_accessops;
    377 	am.accesscookie = sc;
    378 	sc->sc_wsmousedev = config_found_ia(self, "wsmousedev", &am,
    379 	    wsmousedevprint);
    380 
    381 #endif
    382 	adbkbd_setup_sysctl(sc);
    383 
    384 	/* finally register the power button */
    385 	sysmon_task_queue_init();
    386 	memset(&sc->sc_sm_pbutton, 0, sizeof(struct sysmon_pswitch));
    387 	sc->sc_sm_pbutton.smpsw_name = device_xname(sc->sc_dev);
    388 	sc->sc_sm_pbutton.smpsw_type = PSWITCH_TYPE_POWER;
    389 	if (sysmon_pswitch_register(&sc->sc_sm_pbutton) != 0)
    390 		aprint_error_dev(sc->sc_dev,
    391 		    "unable to register power button with sysmon\n");
    392 }
    393 
    394 static void
    395 adbkbd_handler(void *cookie, int len, uint8_t *data)
    396 {
    397 	struct adbkbd_softc *sc = cookie;
    398 
    399 #ifdef ADBKBD_DEBUG
    400 	int i;
    401 	printf("%s: %02x - ", device_xname(sc->sc_dev), sc->sc_us);
    402 	for (i = 0; i < len; i++) {
    403 		printf(" %02x", data[i]);
    404 	}
    405 	printf("\n");
    406 #endif
    407 	if (len >= 2) {
    408 		if (data[1] == sc->sc_us) {
    409 			adbkbd_keys(sc, data[2], data[3]);
    410 			return;
    411 		} else {
    412 			memcpy(sc->sc_buffer, data, len);
    413 		}
    414 		sc->sc_msg_len = len;
    415 		wakeup(&sc->sc_event);
    416 	} else {
    417 		DPRINTF("bogus message\n");
    418 	}
    419 }
    420 
    421 static int
    422 adbkbd_wait(struct adbkbd_softc *sc, int timeout)
    423 {
    424 	int cnt = 0;
    425 
    426 	if (sc->sc_poll) {
    427 		while (sc->sc_msg_len == 0) {
    428 			sc->sc_ops->poll(sc->sc_ops->cookie);
    429 		}
    430 	} else {
    431 		while ((sc->sc_msg_len == 0) && (cnt < timeout)) {
    432 			tsleep(&sc->sc_event, 0, "adbkbdio", hz);
    433 			cnt++;
    434 		}
    435 	}
    436 	return (sc->sc_msg_len > 0);
    437 }
    438 
    439 static void
    440 adbkbd_keys(struct adbkbd_softc *sc, uint8_t k1, uint8_t k2)
    441 {
    442 
    443 	/* keyboard event processing */
    444 
    445 	DPRINTF("[%02x %02x]", k1, k2);
    446 
    447 	if (((k1 == k2) && (k1 == 0x7f)) || (k1 == sc->sc_power)) {
    448 		uint32_t now = time_second;
    449 		uint32_t diff = now - sc->sc_timestamp;
    450 
    451 		sc->sc_timestamp = now;
    452 		if (((diff > 1) && (diff < 5)) ||
    453 		     (sc->sc_power_button_delay == 0)) {
    454 
    455 			/* power button, report to sysmon */
    456 			sc->sc_pe = k1;
    457 			sysmon_task_queue_sched(0, adbkbd_powerbutton, sc);
    458 		}
    459 	} else {
    460 
    461 		adbkbd_key(sc, k1);
    462 		if (k2 != 0xff)
    463 			adbkbd_key(sc, k2);
    464 	}
    465 }
    466 
    467 static void
    468 adbkbd_powerbutton(void *cookie)
    469 {
    470 	struct adbkbd_softc *sc = cookie;
    471 
    472 	sysmon_pswitch_event(&sc->sc_sm_pbutton,
    473 	    ADBK_PRESS(sc->sc_pe) ? PSWITCH_EVENT_PRESSED :
    474 	    PSWITCH_EVENT_RELEASED);
    475 }
    476 
    477 static inline void
    478 adbkbd_key(struct adbkbd_softc *sc, uint8_t k)
    479 {
    480 
    481 	if (sc->sc_poll) {
    482 		if (sc->sc_polled_chars >= 16) {
    483 			aprint_error_dev(sc->sc_dev,"polling buffer is full\n");
    484 		}
    485 		sc->sc_pollbuf[sc->sc_polled_chars] = k;
    486 		sc->sc_polled_chars++;
    487 		return;
    488 	}
    489 
    490 #if NWSMOUSE > 0
    491 	/* translate some keys to mouse events */
    492 	if (sc->sc_wsmousedev != NULL) {
    493 		if (ADBK_KEYVAL(k) == sc->sc_trans[1]) {
    494 			wsmouse_input(sc->sc_wsmousedev, ADBK_PRESS(k) ? 2 : 0,
    495 			      0, 0, 0, 0,
    496 			      WSMOUSE_INPUT_DELTA);
    497 			return;
    498 		}
    499 		if (ADBK_KEYVAL(k) == sc->sc_trans[2]) {
    500 			wsmouse_input(sc->sc_wsmousedev, ADBK_PRESS(k) ? 4 : 0,
    501 			      0, 0, 0, 0,
    502 			      WSMOUSE_INPUT_DELTA);
    503 			return;
    504 		}
    505 	}
    506 #endif
    507 
    508 #ifdef WSDISPLAY_COMPAT_RAWKBD
    509 	if (sc->sc_rawkbd) {
    510 		char cbuf[2];
    511 		int s;
    512 
    513 		cbuf[0] = k;
    514 
    515 		s = spltty();
    516 		wskbd_rawinput(sc->sc_wskbddev, cbuf, 1);
    517 		splx(s);
    518 	} else {
    519 #endif
    520 
    521 	if (ADBK_KEYVAL(k) == 0x39) {
    522 		/* caps lock - send up and down */
    523 		if (ADBK_PRESS(k) != sc->sc_capslock) {
    524 			sc->sc_capslock = ADBK_PRESS(k);
    525 			wskbd_input(sc->sc_wskbddev,
    526 			    WSCONS_EVENT_KEY_DOWN, 0x39);
    527 			wskbd_input(sc->sc_wskbddev,
    528 			    WSCONS_EVENT_KEY_UP, 0x39);
    529 		}
    530 	} else {
    531 		/* normal event */
    532 		int type;
    533 
    534 		type = ADBK_PRESS(k) ?
    535 		    WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    536 		wskbd_input(sc->sc_wskbddev, type, ADBK_KEYVAL(k));
    537 	}
    538 #ifdef WSDISPLAY_COMPAT_RAWKBD
    539 	}
    540 #endif
    541 }
    542 
    543 /*
    544  * Set the keyboard LED's.
    545  *
    546  * Automatically translates from ioctl/softc format to the
    547  * actual keyboard register format
    548  */
    549 static void
    550 adbkbd_set_leds(void *cookie, int leds)
    551 {
    552 	struct adbkbd_softc *sc = cookie;
    553 	int aleds;
    554 	short cmd;
    555 	uint8_t buffer[2];
    556 
    557 	DPRINTF("adbkbd_set_leds: %02x\n", leds);
    558 	if ((leds & 0x07) == (sc->sc_leds & 0x07))
    559 		return;
    560 
    561  	if (sc->sc_have_led_control) {
    562 
    563 		aleds = (~leds & 0x04) | 3;
    564 		if (leds & 1)
    565 			aleds &= ~2;
    566 		if (leds & 2)
    567 			aleds &= ~1;
    568 
    569 		buffer[0] = 0xff;
    570 		buffer[1] = aleds | 0xf8;
    571 
    572 		cmd = ADBLISTEN(sc->sc_adbdev->current_addr, 2);
    573 		sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 2,
    574 		    buffer);
    575 	}
    576 
    577 	sc->sc_leds = leds & 7;
    578 }
    579 
    580 static void
    581 adbkbd_initleds(struct adbkbd_softc *sc)
    582 {
    583 	short cmd;
    584 
    585 	/* talk R2 */
    586 	cmd = ADBTALK(sc->sc_adbdev->current_addr, 2);
    587 	sc->sc_msg_len = 0;
    588 	sc->sc_ops->send(sc->sc_ops->cookie, sc->sc_poll, cmd, 0, NULL);
    589 	if (!adbkbd_wait(sc, 10)) {
    590 		aprint_error_dev(sc->sc_dev, "unable to read LED state\n");
    591 		return;
    592 	}
    593 	sc->sc_have_led_control = 1;
    594 	DPRINTF("have LED control\n");
    595 	return;
    596 }
    597 
    598 static int
    599 adbkbd_enable(void *v, int on)
    600 {
    601 	return 0;
    602 }
    603 
    604 static int
    605 adbkbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
    606 {
    607 	struct adbkbd_softc *sc = (struct adbkbd_softc *) v;
    608 
    609 	switch (cmd) {
    610 
    611 	case WSKBDIO_GTYPE:
    612 		if (sc->sc_emul_usb) {
    613 			*(int *)data = WSKBD_TYPE_USB;
    614 		} else {
    615 			*(int *)data = WSKBD_TYPE_ADB;
    616 		}
    617 		return 0;
    618 	case WSKBDIO_SETLEDS:
    619 		adbkbd_set_leds(sc, *(int *)data);
    620 		return 0;
    621 	case WSKBDIO_GETLEDS:
    622 		*(int *)data = sc->sc_leds;
    623 		return 0;
    624 #ifdef WSDISPLAY_COMPAT_RAWKBD
    625 	case WSKBDIO_SETMODE:
    626 		sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
    627 		return 0;
    628 #endif
    629 	}
    630 
    631 	return EPASSTHROUGH;
    632 }
    633 
    634 int
    635 adbkbd_cnattach(void)
    636 {
    637 
    638 	adbkbd_is_console = 1;
    639 	return 0;
    640 }
    641 
    642 static void
    643 adbkbd_cngetc(void *v, u_int *type, int *data)
    644 {
    645 	struct adbkbd_softc *sc = v;
    646 	int key, press, val;
    647 	int s;
    648 
    649 	s = splhigh();
    650 
    651 	KASSERT(sc->sc_poll);
    652 
    653 	DPRINTF("polling...");
    654 	while (sc->sc_polled_chars == 0) {
    655 		sc->sc_ops->poll(sc->sc_ops->cookie);
    656 	}
    657 	DPRINTF(" got one\n");
    658 	splx(s);
    659 
    660 	key = sc->sc_pollbuf[0];
    661 	sc->sc_polled_chars--;
    662 	memmove(sc->sc_pollbuf, sc->sc_pollbuf + 1,
    663 		sc->sc_polled_chars);
    664 
    665 	press = ADBK_PRESS(key);
    666 	val = ADBK_KEYVAL(key);
    667 
    668 	*data = val;
    669 	*type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
    670 }
    671 
    672 static void
    673 adbkbd_cnpollc(void *v, int on)
    674 {
    675 	struct adbkbd_softc *sc = v;
    676 
    677 	sc->sc_poll = on;
    678 	if (!on) {
    679 		int i;
    680 
    681 		/* feed the poll buffer's content to wskbd */
    682 		for (i = 0; i < sc->sc_polled_chars; i++) {
    683 			adbkbd_key(sc, sc->sc_pollbuf[i]);
    684 		}
    685 		sc->sc_polled_chars = 0;
    686 	}
    687 }
    688 
    689 #if NWSMOUSE > 0
    690 /* stuff for the pseudo mouse */
    691 static int
    692 adbkms_enable(void *v)
    693 {
    694 	return 0;
    695 }
    696 
    697 static int
    698 adbkms_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
    699 {
    700 
    701 	switch (cmd) {
    702 	case WSMOUSEIO_GTYPE:
    703 		*(u_int *)data = WSMOUSE_TYPE_PSEUDO;
    704 		break;
    705 
    706 	default:
    707 		return (EPASSTHROUGH);
    708 	}
    709 	return (0);
    710 }
    711 
    712 static void
    713 adbkms_disable(void *v)
    714 {
    715 }
    716 
    717 static int
    718 adbkbd_sysctl_mid(SYSCTLFN_ARGS)
    719 {
    720 	struct sysctlnode node = *rnode;
    721 	struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
    722 	const int *np = newp;
    723 	int reg;
    724 
    725 	DPRINTF("adbkbd_sysctl_mid\n");
    726 	reg = sc->sc_trans[1];
    727 	if (np) {
    728 		/* we're asked to write */
    729 		node.sysctl_data = &reg;
    730 		if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
    731 
    732 			sc->sc_trans[1] = *(int *)node.sysctl_data;
    733 			return 0;
    734 		}
    735 		return EINVAL;
    736 	} else {
    737 		node.sysctl_data = &reg;
    738 		node.sysctl_size = 4;
    739 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
    740 	}
    741 }
    742 
    743 static int
    744 adbkbd_sysctl_right(SYSCTLFN_ARGS)
    745 {
    746 	struct sysctlnode node = *rnode;
    747 	struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
    748 	const int *np = newp;
    749 	int reg;
    750 
    751 	DPRINTF("adbkbd_sysctl_right\n");
    752 	reg = sc->sc_trans[2];
    753 	if (np) {
    754 		/* we're asked to write */
    755 		node.sysctl_data = &reg;
    756 		if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
    757 
    758 			sc->sc_trans[2] = *(int *)node.sysctl_data;
    759 			return 0;
    760 		}
    761 		return EINVAL;
    762 	} else {
    763 		node.sysctl_data = &reg;
    764 		node.sysctl_size = 4;
    765 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
    766 	}
    767 }
    768 
    769 #endif /* NWSMOUSE > 0 */
    770 
    771 static int
    772 adbkbd_sysctl_usb(SYSCTLFN_ARGS)
    773 {
    774 	struct sysctlnode node = *rnode;
    775 	struct adbkbd_softc *sc=(struct adbkbd_softc *)node.sysctl_data;
    776 	const int *np = newp;
    777 	bool reg;
    778 
    779 	DPRINTF("%s\n", __func__);
    780 	reg = sc->sc_emul_usb;
    781 	if (np) {
    782 		/* we're asked to write */
    783 		node.sysctl_data = &reg;
    784 		if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) {
    785 
    786 			sc->sc_emul_usb = *(bool *)node.sysctl_data;
    787 			if (sc->sc_emul_usb) {
    788 				wskbd_set_evtrans(sc->sc_wskbddev,
    789 				    adb_to_usb, 128);
    790 			} else {
    791 				wskbd_set_evtrans(sc->sc_wskbddev, NULL, 0);
    792 			}
    793 			return 0;
    794 		}
    795 		return EINVAL;
    796 	} else {
    797 		node.sysctl_data = &reg;
    798 		node.sysctl_size = sizeof(reg);
    799 		return (sysctl_lookup(SYSCTLFN_CALL(&node)));
    800 	}
    801 }
    802 
    803 static void
    804 adbkbd_setup_sysctl(struct adbkbd_softc *sc)
    805 {
    806 	const struct sysctlnode *me, *node;
    807 	int ret;
    808 
    809 	DPRINTF("%s: sysctl setup\n", device_xname(sc->sc_dev));
    810 	ret = sysctl_createv(NULL, 0, NULL, &me,
    811 	       CTLFLAG_READWRITE,
    812 	       CTLTYPE_NODE, device_xname(sc->sc_dev), NULL,
    813 	       NULL, 0, NULL, 0,
    814 	       CTL_MACHDEP, CTL_CREATE, CTL_EOL);
    815 	ret = sysctl_createv(NULL, 0, NULL,
    816 	    (void *)&node,
    817 	    CTLFLAG_READWRITE | CTLFLAG_OWNDESC,
    818 	    CTLTYPE_BOOL, "emulate_usb", "USB keyboard emulation",
    819 	    adbkbd_sysctl_usb, 1, (void *)sc, 0, CTL_MACHDEP,
    820 	    me->sysctl_num, CTL_CREATE, CTL_EOL);
    821 #if NWSMOUSE > 0
    822 	if (sc->sc_wsmousedev != NULL) {
    823 		ret = sysctl_createv(NULL, 0, NULL,
    824 		    (void *)&node,
    825 		    CTLFLAG_READWRITE | CTLFLAG_OWNDESC,
    826 		    CTLTYPE_INT, "middle", "middle mouse button",
    827 		    adbkbd_sysctl_mid, 1, (void *)sc, 0, CTL_MACHDEP,
    828 		    me->sysctl_num, CTL_CREATE, CTL_EOL);
    829 
    830 		ret = sysctl_createv(NULL, 0, NULL,
    831 		    (void *)&node,
    832 		    CTLFLAG_READWRITE | CTLFLAG_OWNDESC,
    833 		    CTLTYPE_INT, "right", "right mouse button",
    834 		    adbkbd_sysctl_right, 2, (void *)sc, 0, CTL_MACHDEP,
    835 		    me->sysctl_num, CTL_CREATE, CTL_EOL);
    836 	}
    837 #endif /* NWSMOUSE > 0 */
    838 
    839 	(void)ret;
    840 }
    841 
    842 SYSCTL_SETUP(sysctl_adbkbdtrans_setup, "adbkbd translator setup")
    843 {
    844 
    845 	sysctl_createv(NULL, 0, NULL, NULL,
    846 		       CTLFLAG_PERMANENT,
    847 		       CTLTYPE_NODE, "machdep", NULL,
    848 		       NULL, 0, NULL, 0,
    849 		       CTL_MACHDEP, CTL_EOL);
    850 }
    851