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j720ssp.c revision 1.21
      1 /* $NetBSD: j720ssp.c,v 1.21 2003/10/27 17:17:42 mycroft Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Charles M. Hannum.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*-
     40  * Copyright (c) 1990 The Regents of the University of California.
     41  * All rights reserved.
     42  *
     43  * This code is derived from software contributed to Berkeley by
     44  * William Jolitz and Don Ahn.
     45  *
     46  * Redistribution and use in source and binary forms, with or without
     47  * modification, are permitted provided that the following conditions
     48  * are met:
     49  * 1. Redistributions of source code must retain the above copyright
     50  *    notice, this list of conditions and the following disclaimer.
     51  * 2. Redistributions in binary form must reproduce the above copyright
     52  *    notice, this list of conditions and the following disclaimer in the
     53  *    documentation and/or other materials provided with the distribution.
     54  * 3. Neither the name of the University nor the names of its contributors
     55  *    may be used to endorse or promote products derived from this software
     56  *    without specific prior written permission.
     57  *
     58  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     59  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     60  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     61  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     62  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     63  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     64  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     65  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     66  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     67  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     68  * SUCH DAMAGE.
     69  *
     70  *	@(#)pccons.c	5.11 (Berkeley) 5/21/91
     71  */
     72 
     73 #include <sys/cdefs.h>
     74 __KERNEL_RCSID(0, "$NetBSD: j720ssp.c,v 1.21 2003/10/27 17:17:42 mycroft Exp $");
     75 
     76 #include "apm.h"
     77 
     78 #include <sys/param.h>
     79 #include <sys/systm.h>
     80 #include <sys/device.h>
     81 #include <sys/kernel.h>
     82 #include <sys/malloc.h>
     83 #include <sys/ioctl.h>
     84 #include <sys/kthread.h>
     85 #include <sys/lock.h>
     86 
     87 #include <machine/bus.h>
     88 #include <machine/config_hook.h>
     89 #include <machine/bootinfo.h>
     90 #include <machine/apmvar.h>
     91 
     92 #include <hpcarm/dev/sed1356var.h>
     93 
     94 #include <arm/sa11x0/sa11x0_var.h>
     95 #include <arm/sa11x0/sa11x0_gpioreg.h>
     96 #include <arm/sa11x0/sa11x0_ppcreg.h>
     97 #include <arm/sa11x0/sa11x0_sspreg.h>
     98 
     99 #include <dev/wscons/wsconsio.h>
    100 #include <dev/wscons/wskbdvar.h>
    101 #include <dev/wscons/wsksymdef.h>
    102 #include <dev/wscons/wsksymvar.h>
    103 #include <dev/wscons/wsmousevar.h>
    104 #include <dev/hpc/tpcalibvar.h>
    105 
    106 extern const struct wscons_keydesc j720kbd_keydesctab[];
    107 
    108 struct j720ssp_softc {
    109         struct device sc_dev;
    110 
    111 	bus_space_tag_t sc_iot;
    112 	bus_space_handle_t sc_gpioh;
    113 	bus_space_handle_t sc_ssph;
    114 
    115 	struct device *sc_wskbddev;
    116 	struct device *sc_wsmousedev;
    117 	struct tpcalib_softc sc_tpcalib;
    118 
    119 	void *sc_kbdsi;
    120 	void *sc_tpsi;
    121 	int sc_enabled;
    122 
    123 	struct proc *sc_ssp_kthread;
    124 	int sc_ssp_status;
    125 	struct simplelock sc_ssp_status_lock;
    126 };
    127 /* Values for struct softc's sc_ssp_status */
    128 #define J720_SSP_STATUS_NONE	0
    129 #define J720_SSP_STATUS_TP	1
    130 #define J720_SSP_STATUS_KBD	2
    131 
    132 void j720ssp_create_kthread __P((void *));
    133 void j720ssp_kthread __P((void *));
    134 int  j720kbd_intr __P((void *));
    135 int  j720tp_intr __P((void *));
    136 void j720kbd_poll __P((void *));
    137 int  j720tp_poll __P((void *));
    138 
    139 int  j720lcdparam __P((void *, int, long, void *));
    140 static void j720kbd_read __P((struct j720ssp_softc *, char *));
    141 static int  j720ssp_readwrite __P((struct j720ssp_softc *, int,
    142 	int, int *, int));
    143 
    144 int  j720sspprobe __P((struct device *, struct cfdata *, void *));
    145 void j720sspattach __P((struct device *, struct device *, void *));
    146 
    147 int  j720kbd_submatch __P((struct device *, struct cfdata *, void *));
    148 int  j720tp_submatch __P((struct device *, struct cfdata *, void *));
    149 int  apm_submatch __P((struct device *, struct cfdata *, void *));
    150 
    151 int  j720kbd_enable __P((void *, int));
    152 void j720kbd_set_leds __P((void *, int));
    153 int  j720kbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
    154 
    155 int  j720lcdpower(void *, int, long, void *);
    156 int  hpcarm_apm_getpower __P((struct apm_power_info *, void *));
    157 
    158 CFATTACH_DECL(j720ssp, sizeof(struct j720ssp_softc),
    159     j720sspprobe, j720sspattach, NULL, NULL);
    160 
    161 const struct wskbd_accessops j720kbd_accessops = {
    162 	j720kbd_enable,
    163 	j720kbd_set_leds,
    164 	j720kbd_ioctl,
    165 };
    166 
    167 void j720kbd_cngetc __P((void *, u_int *, int *));
    168 void j720kbd_cnpollc __P((void *, int));
    169 void j720kbd_cnbell __P((void *, u_int, u_int, u_int));
    170 
    171 const struct wskbd_consops j720kbd_consops = {
    172 	j720kbd_cngetc,
    173 	j720kbd_cnpollc,
    174 	j720kbd_cnbell,
    175 };
    176 
    177 const struct wskbd_mapdata j720kbd_keymapdata = {
    178 	j720kbd_keydesctab,
    179 #ifdef J720KBD_LAYOUT
    180 	J720KBD_LAYOUT,
    181 #else
    182 	KB_US,
    183 #endif
    184 };
    185 
    186 static int  j720tp_enable __P((void *));
    187 static int  j720tp_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
    188 static void j720tp_disable __P((void *));
    189 
    190 const struct wsmouse_accessops j720tp_accessops = {
    191 	j720tp_enable,
    192 	j720tp_ioctl,
    193 	j720tp_disable,
    194 };
    195 
    196 static int j720ssp_powerstate = 1;
    197 
    198 static struct j720ssp_softc j720kbdcons_sc;
    199 static int j720kbdcons_initstate = 0;
    200 
    201 #define DEBUG
    202 #ifdef DEBUG
    203 int j720sspwaitcnt;
    204 int j720sspwaittime;
    205 extern int gettick(void);
    206 #endif
    207 
    208 #define BIT_INVERT(x)	do {					\
    209 	(x) = ((((x) & 0xf0) >> 4) | (((x) & 0x0f) << 4));	\
    210 	(x) = ((((x) & 0xcc) >> 2) | (((x) & 0x33) << 2));	\
    211 	(x) = ((((x) & 0xaa) >> 1) | (((x) & 0x55) << 1));	\
    212 	} while(0)
    213 
    214 
    215 int
    216 j720sspprobe(parent, cf, aux)
    217 	struct device *parent;
    218 	struct cfdata *cf;
    219 	void *aux;
    220 {
    221 	return (1);
    222 }
    223 
    224 void
    225 j720sspattach(parent, self, aux)
    226 	struct device *parent;
    227 	struct device *self;
    228 	void *aux;
    229 {
    230 	struct j720ssp_softc *sc = (void *)self;
    231 	struct sa11x0_softc *psc = (void *)parent;
    232 	struct sa11x0_attach_args *sa = aux;
    233 	struct wskbddev_attach_args kbd_args;
    234 	struct wsmousedev_attach_args mouse_args;
    235 #if NAPM > 0
    236 	struct apm_attach_args apm_args;
    237 #endif
    238 
    239 	printf("\n");
    240 
    241 	sc->sc_iot = psc->sc_iot;
    242 	sc->sc_gpioh = psc->sc_gpioh;
    243 	if (bus_space_map(sc->sc_iot, sa->sa_addr, sa->sa_size, 0,
    244 			  &sc->sc_ssph)) {
    245 		printf("%s: unable to map SSP registers\n",
    246 		       sc->sc_dev.dv_xname);
    247 		return;
    248 	}
    249 
    250 	sc->sc_ssp_status = J720_SSP_STATUS_NONE;
    251 	simple_lock_init(&sc->sc_ssp_status_lock);
    252 	kthread_create(j720ssp_create_kthread, sc);
    253 
    254 	sc->sc_enabled = 0;
    255 
    256 	kbd_args.console = 0;
    257 
    258 	kbd_args.keymap = &j720kbd_keymapdata;
    259 
    260 	kbd_args.accessops = &j720kbd_accessops;
    261 	kbd_args.accesscookie = sc;
    262 
    263 	/* Do console initialization */
    264 	if (! (bootinfo->bi_cnuse & BI_CNUSE_SERIAL)) {
    265 		j720kbdcons_sc = *sc;
    266 		kbd_args.console = 1;
    267 
    268 		wskbd_cnattach(&j720kbd_consops, NULL, &j720kbd_keymapdata);
    269 		j720kbdcons_initstate = 1;
    270 	}
    271 
    272 	/*
    273 	 * Attach the wskbd, saving a handle to it.
    274 	 * XXX XXX XXX
    275 	 */
    276 	sc->sc_wskbddev = config_found_sm(self, &kbd_args, wskbddevprint,
    277 	    j720kbd_submatch);
    278 
    279 #ifdef DEBUG
    280 	/* Zero the stat counters */
    281 	j720sspwaitcnt = 0;
    282 	j720sspwaittime = 0;
    283 #endif
    284 
    285 	if (j720kbdcons_initstate == 1)
    286 		j720kbd_enable(sc, 1);
    287 
    288 	mouse_args.accessops = &j720tp_accessops;
    289 	mouse_args.accesscookie = sc;
    290 
    291 	sc->sc_wsmousedev = config_found_sm(self, &mouse_args,
    292 	    wsmousedevprint, j720tp_submatch);
    293 	tpcalib_init(&sc->sc_tpcalib);
    294 
    295 	/* XXX fill in "default" calibrate param */
    296 	{
    297 		static const struct wsmouse_calibcoords j720_default_calib = {
    298 			0, 0, 639, 239,
    299 			4,
    300 			{ { 988,  80,   0,   0 },
    301 			  {  88,  84, 639,   0 },
    302 			  { 988, 927,   0, 239 },
    303 			  {  88, 940, 639, 239 } } };
    304 		tpcalib_ioctl(&sc->sc_tpcalib, WSMOUSEIO_SCALIBCOORDS,
    305 		    (caddr_t)&j720_default_calib, 0, 0);
    306 	}
    307 
    308 	j720tp_disable(sc);
    309 
    310 	/* Setup touchpad interrupt */
    311 	sa11x0_intr_establish(0, 9, 1, IPL_BIO, j720tp_intr, sc);
    312 
    313 	/* LCD control is on the same bus */
    314 	config_hook(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS,
    315 		    CONFIG_HOOK_SHARE, j720lcdparam, sc);
    316 	config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_BRIGHTNESS,
    317 		    CONFIG_HOOK_SHARE, j720lcdparam, sc);
    318 	config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_BRIGHTNESS_MAX,
    319 		    CONFIG_HOOK_SHARE, j720lcdparam, sc);
    320 
    321 	config_hook(CONFIG_HOOK_SET, CONFIG_HOOK_CONTRAST,
    322 		    CONFIG_HOOK_SHARE, j720lcdparam, sc);
    323 	config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_CONTRAST,
    324 		    CONFIG_HOOK_SHARE, j720lcdparam, sc);
    325 	config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_CONTRAST_MAX,
    326 		    CONFIG_HOOK_SHARE, j720lcdparam, sc);
    327 
    328 #if NAPM > 0
    329 	/* attach APM emulation */
    330 	apm_args.aaa_magic = APM_ATTACH_ARGS_MAGIC; /* magic number */
    331 	(void)config_found_sm(self, &apm_args, NULL, apm_submatch);
    332 #endif
    333 
    334 	return;
    335 }
    336 
    337 void
    338 j720ssp_create_kthread(arg)
    339 	void *arg;
    340 {
    341 	struct j720ssp_softc *sc = arg;
    342 
    343 	if (kthread_create1(j720ssp_kthread, sc,
    344 	    &sc->sc_ssp_kthread, "j720ssp"))
    345 		panic("j720ssp_create_kthread");
    346 
    347 	return;
    348 }
    349 
    350 void
    351 j720ssp_kthread(arg)
    352 	void *arg;
    353 {
    354 	struct j720ssp_softc *sc = arg;
    355 	int ssp_status;
    356 
    357 	while (1) {
    358 		simple_lock(&sc->sc_ssp_status_lock);
    359 		ssp_status = sc->sc_ssp_status;
    360 		sc->sc_ssp_status &= ~J720_SSP_STATUS_KBD;
    361 		simple_unlock(&sc->sc_ssp_status_lock);
    362 
    363 		if (ssp_status & J720_SSP_STATUS_KBD)
    364 			j720kbd_poll(sc);
    365 
    366 		if (ssp_status & J720_SSP_STATUS_TP) {
    367 			if (j720tp_poll(sc) == 0) {
    368 				simple_lock(&sc->sc_ssp_status_lock);
    369 				sc->sc_ssp_status &= ~J720_SSP_STATUS_TP;
    370 				simple_unlock(&sc->sc_ssp_status_lock);
    371 			}
    372 			tsleep(&sc->sc_ssp_kthread, PRIBIO, "j720ssp", hz / 25);
    373 		} else
    374 			tsleep(&sc->sc_ssp_kthread, PRIBIO, "j720ssp", 0);
    375 	}
    376 
    377 	/* NOTREACHED */
    378 }
    379 
    380 
    381 int
    382 j720kbd_submatch(parent, cf, aux)
    383 	struct device *parent;
    384 	struct cfdata *cf;
    385 	void *aux;
    386 {
    387 	if (strcmp(cf->cf_name, "wskbd") == 0)
    388 		return (1);
    389 	return (0);
    390 }
    391 
    392 int
    393 j720tp_submatch(parent, cf, aux)
    394 	struct device *parent;
    395 	struct cfdata *cf;
    396 	void *aux;
    397 {
    398 	if (strcmp(cf->cf_name, "wsmouse") == 0)
    399 		return (1);
    400 	return (0);
    401 }
    402 
    403 int
    404 apm_submatch(parent, cf, aux)
    405 	struct device *parent;
    406 	struct cfdata *cf;
    407 	void *aux;
    408 {
    409 	if (strcmp(cf->cf_name, "apm") == 0)
    410 		return (1);
    411 	return (0);
    412 }
    413 
    414 int
    415 j720kbd_enable(v, on)
    416 	void *v;
    417 	int on;
    418 {
    419 	struct j720ssp_softc *sc = v;
    420 
    421 	if (! sc->sc_enabled) {
    422 		sc->sc_enabled = 1;
    423 
    424 		sa11x0_intr_establish(0, 0, 1, IPL_BIO, j720kbd_intr, sc);
    425 	}
    426 	/* XXX */
    427 	return (0);
    428 }
    429 
    430 void
    431 j720kbd_set_leds(v, on)
    432 	void *v;
    433 	int on;
    434 {
    435 	/* XXX */
    436 	return;
    437 }
    438 
    439 int
    440 j720kbd_ioctl(v, cmd, data, flag, p)
    441 	void *v;
    442 	u_long cmd;
    443 	caddr_t data;
    444 	int flag;
    445 	struct proc *p;
    446 {
    447 	switch (cmd) {
    448 	case WSKBDIO_GTYPE:
    449 		*(int *)data = WSKBD_TYPE_HPC_KBD;
    450 		return 0;
    451 	}
    452 
    453 	return (EPASSTHROUGH);
    454 }
    455 
    456 int
    457 j720kbd_intr(arg)
    458 	void *arg;
    459 {
    460 	struct j720ssp_softc *sc = arg;
    461 
    462 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_EDR, 1);
    463 
    464 	simple_lock(&sc->sc_ssp_status_lock);
    465 	sc->sc_ssp_status |= J720_SSP_STATUS_KBD;
    466 	simple_unlock(&sc->sc_ssp_status_lock);
    467 
    468 	wakeup(&sc->sc_ssp_kthread);
    469 
    470 	return (1);
    471 }
    472 
    473 int
    474 j720tp_intr(arg)
    475 	void *arg;
    476 {
    477 	struct j720ssp_softc *sc = arg;
    478 
    479 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_EDR, 1 << 9);
    480 
    481 	simple_lock(&sc->sc_ssp_status_lock);
    482 	sc->sc_ssp_status |= J720_SSP_STATUS_TP;
    483 	simple_unlock(&sc->sc_ssp_status_lock);
    484 
    485 	j720tp_disable(sc);
    486 	wakeup(&sc->sc_ssp_kthread);
    487 
    488 	return (1);
    489 }
    490 
    491 void
    492 j720kbd_poll(arg)
    493 	void *arg;
    494 {
    495 	struct j720ssp_softc *sc = arg;
    496 	int s, type, value;
    497 	char buf[9], *p;
    498 
    499 	j720kbd_read(sc, buf);
    500 
    501 	for(p = buf; *p; p++) {
    502 		type = *p & 0x80 ? WSCONS_EVENT_KEY_UP :
    503 		    WSCONS_EVENT_KEY_DOWN;
    504 		value = *p & 0x7f;
    505 		s = spltty();
    506 		wskbd_input(sc->sc_wskbddev, type, value);
    507 		splx(s);
    508 		if (type == WSCONS_EVENT_KEY_DOWN &&
    509 		    value == 0x7f) {
    510 			j720ssp_powerstate = ! j720ssp_powerstate;
    511 			config_hook_call(CONFIG_HOOK_POWERCONTROL,
    512 					 CONFIG_HOOK_POWERCONTROL_LCDLIGHT,
    513 					 (void *)j720ssp_powerstate);
    514 		}
    515 	}
    516 
    517 	return;
    518 }
    519 
    520 void
    521 j720kbd_read(sc, buf)
    522 	struct j720ssp_softc *sc;
    523 	char *buf;
    524 {
    525 	int data, count;
    526 #ifdef DEBUG
    527 	u_int32_t oscr;
    528 
    529 	oscr = gettick();
    530 #endif
    531 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PCR, 0x2000000);
    532 
    533 	/* send scan keycode command */
    534 	if (j720ssp_readwrite(sc, 1, 0x900, &data, 100) < 0 ||
    535 	    data != 0x88)
    536 		goto out;
    537 
    538 	/* read numbers of scancode available */
    539 	if (j720ssp_readwrite(sc, 0, 0x8800, &data, 100) < 0)
    540 		goto out;
    541 	BIT_INVERT(data);
    542 	count = data;
    543 
    544 	for(; count; count--) {
    545 		if (j720ssp_readwrite(sc, 0, 0x8800, &data, 100) < 0)
    546 			goto out;
    547 		BIT_INVERT(data);
    548 		*buf++ = data;
    549 	}
    550 	*buf = 0;
    551 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
    552 
    553 #ifdef DEBUG
    554 	oscr = (u_int32_t)gettick() - oscr;
    555 	j720sspwaitcnt++;
    556 	j720sspwaittime += oscr;
    557 #endif
    558 
    559 	return;
    560 
    561 out:
    562 	*buf = 0;
    563 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
    564 
    565 	/* reset SSP */
    566 	bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x307);
    567 	delay(100);
    568 	bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x387);
    569 
    570 	printf("j720kbd_read: error %x\n", data);
    571 	return;
    572 }
    573 
    574 int
    575 j720tp_poll(arg)
    576 	void *arg;
    577 {
    578 	struct j720ssp_softc *sc = arg;
    579 	int buf[8], data, i, x, y;
    580 
    581 	/*
    582 	 * If touch panel is not touched anymore,
    583 	 * stop polling and re-enable interrupt
    584 	 */
    585 	if (bus_space_read_4(sc->sc_iot,
    586 	    sc->sc_gpioh, SAGPIO_PLR) & (1 << 9)) {
    587 		wsmouse_input(sc->sc_wsmousedev, 0, 0, 0, 0, 0);
    588 		j720tp_enable(sc);
    589 		return 0;
    590 	}
    591 
    592 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PCR, 0x2000000);
    593 
    594 	/* send read touchpanel command */
    595 	if (j720ssp_readwrite(sc, 1, 0x500, &data, 100) < 0 ||
    596 	    data != 0x88)
    597 		goto out;
    598 
    599 	for(i = 0; i < 8; i++) {
    600 		if (j720ssp_readwrite(sc, 0, 0x8800, &data, 100) < 0)
    601 			goto out;
    602 		BIT_INVERT(data);
    603 		buf[i] = data;
    604 	}
    605 
    606 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
    607 
    608 	buf[6] <<= 8;
    609 	buf[7] <<= 8;
    610 	for(i = 0; i < 3; i++) {
    611 		buf[i] |= buf[6] & 0x300;
    612 		buf[6] >>= 2;
    613 		buf[i + 3] |= buf[7] & 0x300;
    614 		buf[7] >>= 2;
    615 	}
    616 #if 0
    617 	printf("j720tp_poll: %d %d %d  %d %d %d\n", buf[0], buf[1], buf[2],
    618 	    buf[3], buf[4], buf[5]);
    619 #endif
    620 
    621 	/* XXX buf[1], buf[2], ... should also be used */
    622 	tpcalib_trans(&sc->sc_tpcalib, buf[1], buf[4], &x, &y);
    623 	wsmouse_input(sc->sc_wsmousedev, 1, x, y, 0,
    624 	    WSMOUSE_INPUT_ABSOLUTE_X | WSMOUSE_INPUT_ABSOLUTE_Y);
    625 
    626 	return 1;
    627 
    628 out:
    629 	*buf = 0;
    630 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
    631 
    632 	/* reset SSP */
    633 	bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x307);
    634 	delay(100);
    635 	bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x387);
    636 	printf("j720tp_poll: error %x\n", data);
    637 
    638 	return 0;
    639 }
    640 
    641 static int
    642 j720tp_enable(arg)
    643 	void *arg;
    644 {
    645 	struct j720ssp_softc *sc = arg;
    646 	int er, s;
    647 
    648 	s = splhigh();
    649 	er = bus_space_read_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_FER);
    650 	er |= 1 << 9;
    651 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_FER, er);
    652 	splx(s);
    653 
    654 	return (0);
    655 }
    656 
    657 static void
    658 j720tp_disable(arg)
    659 	void *arg;
    660 {
    661 	struct j720ssp_softc *sc = arg;
    662 	int er, s;
    663 
    664 	s = splhigh();
    665 	er = bus_space_read_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_FER);
    666 	er &= ~(1 << 9);
    667 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_FER, er);
    668 	splx(s);
    669 }
    670 
    671 static int
    672 j720tp_ioctl(arg, cmd, data, flag, p)
    673 	void *arg;
    674 	u_long cmd;
    675 	caddr_t data;
    676 	int flag;
    677 	struct proc *p;
    678 {
    679 	struct j720ssp_softc *sc = arg;
    680 
    681 	switch (cmd) {
    682 	case WSMOUSEIO_GTYPE:
    683 		*(u_int *)data = WSMOUSE_TYPE_TPANEL;
    684 		return (0);
    685 
    686 	case WSMOUSEIO_SCALIBCOORDS:
    687 	case WSMOUSEIO_GCALIBCOORDS:
    688 	case WSMOUSEIO_GETID:
    689 		return tpcalib_ioctl(&sc->sc_tpcalib, cmd, data, flag, p);
    690 
    691 	default:
    692 		return (EPASSTHROUGH);
    693 	}
    694 }
    695 
    696 int
    697 j720lcdparam(ctx, type, id, msg)
    698 	void *ctx;
    699 	int type;
    700 	long id;
    701 	void *msg;
    702 {
    703 	struct j720ssp_softc *sc = ctx;
    704 	int i, s;
    705 	u_int32_t data[2], len;
    706 
    707 	switch (type) {
    708 	case CONFIG_HOOK_GET:
    709 		switch (id) {
    710 		case CONFIG_HOOK_BRIGHTNESS_MAX:
    711 		case CONFIG_HOOK_CONTRAST_MAX:
    712 			*(int *)msg = 255;
    713 			return 1;
    714 		case CONFIG_HOOK_BRIGHTNESS:
    715 			data[0] = 0x6b00;
    716 			data[1] = 0x8800;
    717 			len = 2;
    718 			break;
    719 		case CONFIG_HOOK_CONTRAST:
    720 			data[0] = 0x2b00;
    721 			data[1] = 0x8800;
    722 			len = 2;
    723 			break;
    724 		default:
    725 			return 0;
    726 		}
    727 		break;
    728 
    729 	case CONFIG_HOOK_SET:
    730 		switch (id) {
    731 		case CONFIG_HOOK_BRIGHTNESS:
    732 			if (*(int *)msg >= 0) {
    733 				data[0] = 0xcb00;
    734 				data[1] = *(int *)msg;
    735 				BIT_INVERT(data[1]);
    736 				data[1] <<= 8;
    737 				len = 2;
    738 			} else {
    739 				/* XXX hack */
    740 				data[0] = 0xfb00;
    741 				len = 1;
    742 			}
    743 			break;
    744 		case CONFIG_HOOK_CONTRAST:
    745 			data[0] = 0x8b00;
    746 			data[1] = *(int *)msg;
    747 			BIT_INVERT(data[1]);
    748 			data[1] <<= 8;
    749 			len = 2;
    750 			break;
    751 		default:
    752 			return 0;
    753 		}
    754 
    755 	default:
    756 		return 0;
    757 	}
    758 
    759 	s = splbio();
    760 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PCR, 0x2000000);
    761 
    762 	for (i = 0; i < len; i++) {
    763 		if (j720ssp_readwrite(sc, 1, data[i], &data[i], 500) < 0)
    764 			goto out;
    765 	}
    766 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
    767 	splx(s);
    768 
    769 	if (type == CONFIG_HOOK_SET)
    770 		return 1;
    771 
    772 	BIT_INVERT(data[1]);
    773 	*(int *)msg = data[1];
    774 
    775 	return 1;
    776 
    777 out:
    778 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
    779 
    780 	/* reset SSP */
    781 	bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x307);
    782 	delay(100);
    783 	bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x387);
    784 	splx(s);
    785 	return 0;
    786 }
    787 
    788 static int
    789 j720ssp_readwrite(sc, drainfifo, in, out, wait)
    790 	struct j720ssp_softc *sc;
    791 	int drainfifo;
    792 	int in;
    793 	int *out;
    794 	int wait;
    795 {
    796 	int timo;
    797 
    798 	timo = 100000;
    799 	while(bus_space_read_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PLR) & 0x400)
    800 		if (--timo == 0) {
    801 			printf("timo0\n");
    802 			return -1;
    803 		}
    804 	if (drainfifo) {
    805 		while(bus_space_read_4(sc->sc_iot, sc->sc_ssph, SASSP_SR) &
    806 		      SR_RNE)
    807 			bus_space_read_4(sc->sc_iot, sc->sc_ssph, SASSP_DR);
    808 #if 1
    809 		delay(wait);
    810 #endif
    811 	}
    812 
    813 	bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_DR, in);
    814 
    815 	delay(wait);
    816 	timo = 100000;
    817 	while(! (bus_space_read_4(sc->sc_iot, sc->sc_ssph, SASSP_SR) & SR_RNE))
    818 		if (--timo == 0) {
    819 			printf("timo1\n");
    820 			return -1;
    821 		}
    822 
    823 	*out = bus_space_read_4(sc->sc_iot, sc->sc_ssph, SASSP_DR);
    824 
    825 	return 0;
    826 }
    827 
    828 #if 0
    829 int
    830 j720kbd_cnattach(void)
    831 {
    832 	/* XXX defer initialization till j720sspattach */
    833 
    834 	return (0);
    835 }
    836 #endif
    837 
    838 /* ARGSUSED */
    839 void
    840 j720kbd_cngetc(v, type, data)
    841 	void *v;
    842 	u_int *type;
    843 	int *data;
    844 {
    845 	char buf[9];
    846 
    847 	if (j720kbdcons_initstate < 1)
    848 		return;
    849 
    850 	for (;;) {
    851 		j720kbd_read(&j720kbdcons_sc, buf);
    852 
    853 		if (buf[0] != 0) {
    854 			/* XXX we are discarding buffer contents */
    855 			*type = buf[0] & 0x80 ? WSCONS_EVENT_KEY_UP :
    856 			    WSCONS_EVENT_KEY_DOWN;
    857 			*data = buf[0] & 0x7f;
    858 			return;
    859 		}
    860 	}
    861 }
    862 
    863 void
    864 j720kbd_cnpollc(v, on)
    865 	void *v;
    866 	int on;
    867 {
    868 #if 0
    869 	/* XXX */
    870 	struct j720kbd_internal *t = v;
    871 
    872 	pckbc_set_poll(t->t_kbctag, t->t_kbcslot, on);
    873 #endif
    874 }
    875 
    876 void
    877 j720kbd_cnbell(v, pitch, period, volume)
    878 	void *v;
    879 	u_int pitch;
    880 	u_int period;
    881 	u_int volume;
    882 {
    883 }
    884 
    885 int
    886 j720lcdpower(ctx, type, id, msg)
    887 	void *ctx;
    888 	int type;
    889 	long id;
    890 	void *msg;
    891 {
    892 	struct sed1356_softc *sc = ctx;
    893 	struct sa11x0_softc *psc = sc->sc_parent;
    894 	int val;
    895 	u_int32_t reg;
    896 
    897 	if (type != CONFIG_HOOK_POWERCONTROL ||
    898 	    id != CONFIG_HOOK_POWERCONTROL_LCDLIGHT)
    899 		return 0;
    900 
    901 	sed1356_init_brightness(sc, 0);
    902 	sed1356_init_contrast(sc, 0);
    903 
    904 	if (msg) {
    905 		bus_space_write_1(sc->sc_iot, sc->sc_regh, 0x1f0, 0);
    906 
    907 		reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
    908 		reg |= 0x1;
    909 		bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
    910 		delay(50000);
    911 
    912 		val = sc->sc_contrast;
    913 		config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_CONTRAST, &val);
    914 		delay(100000);
    915 
    916 		reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
    917 		reg |= 0x4;
    918 		bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
    919 
    920 		val = sc->sc_brightness;
    921 		config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS, &val);
    922 
    923 		reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
    924 		reg |= 0x2;
    925 		bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
    926 	} else {
    927 		reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
    928 		reg &= ~0x2;
    929 		bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
    930 		reg &= ~0x4;
    931 		bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
    932 		delay(100000);
    933 
    934 		val = -2;
    935 		config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS, &val);
    936 
    937 		bus_space_write_1(sc->sc_iot, sc->sc_regh, 0x1f0, 1);
    938 
    939 		delay(100000);
    940 		reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
    941 		reg &= ~0x1;
    942 		bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
    943 	}
    944 	return 1;
    945 }
    946 
    947 int
    948 hpcarm_apm_getpower(api, parent)
    949 	struct apm_power_info *api;
    950 	void *parent;
    951 {
    952 	int data, pmdata[3], i;
    953 	struct j720ssp_softc *sc = (struct j720ssp_softc *)parent;
    954 
    955 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PCR, 0x2000000);
    956 
    957 	if (j720ssp_readwrite(sc, 1, 0x300, &data, 100) < 0 || data != 0x88)
    958 		goto out;
    959 
    960 	for (i = 0; i < 3; i++) {
    961 		if (j720ssp_readwrite(sc, 0, 0x8800, &pmdata[i], 500) < 0)
    962 			goto out;
    963 		BIT_INVERT(pmdata[i]);
    964 	}
    965 
    966 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
    967 
    968 	bzero(api, sizeof(struct apm_power_info));
    969 	api->ac_state = APM_AC_UNKNOWN;
    970 
    971 	/*
    972 	 * pmdata[0] is the main battery level
    973 	 * pmdata[1] is the backup battery level
    974 	 * pmdata[2] tells which battery is present
    975 	 */
    976 	switch(pmdata[2]) {
    977 	case 14: /* backup battery present */
    978 	case 2:  /* backup battery absent */
    979 		api->battery_state = APM_BATT_CHARGING;
    980 		api->minutes_left = (pmdata[0] * 840) / 170;
    981 		api->battery_life = (pmdata[0] * 100) / 170;
    982 		api->nbattery = 1;
    983 		break;
    984 	case 15: /* backup battery present */
    985 	case 3:  /* backup battery absent */
    986 		api->battery_state = APM_BATT_ABSENT;
    987 		api->battery_life = 0;
    988 		api->nbattery = 0;
    989 		break;
    990 	default:
    991 		api->battery_state = APM_BATT_UNKNOWN;
    992 		break;
    993 	}
    994 
    995 	return 0;
    996 
    997 out:
    998 	bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
    999 
   1000 	/* reset SSP */
   1001 	bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x307);
   1002 	delay(100);
   1003 	bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x387);
   1004 
   1005 	printf("hpcarm_apm_getpower: error %x\n", data);
   1006 	return EIO;
   1007 }
   1008