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NetBSD/sys/arch/hpcarm/dev/j720ssp.c

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/* $NetBSD: j720ssp.c,v 1.13 2002/09/29 13:16:22 bsh Exp $ */
/*-
* Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz and Don Ahn.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)pccons.c 5.11 (Berkeley) 5/21/91
*/
#include "apm.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/ioctl.h>
#include <sys/kthread.h>
#include <sys/lock.h>
#include <machine/bus.h>
#include <machine/config_hook.h>
#include <machine/bootinfo.h>
#include <machine/apmvar.h>
#include <hpcarm/dev/sed1356var.h>
#include <arm/sa11x0/sa11x0_var.h>
#include <arm/sa11x0/sa11x0_gpioreg.h>
#include <arm/sa11x0/sa11x0_ppcreg.h>
#include <arm/sa11x0/sa11x0_sspreg.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wskbdvar.h>
#include <dev/wscons/wsksymdef.h>
#include <dev/wscons/wsksymvar.h>
#include <dev/wscons/wsmousevar.h>
#include <dev/hpc/tpcalibvar.h>
extern const struct wscons_keydesc j720kbd_keydesctab[];
struct j720ssp_softc {
struct device sc_dev;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_gpioh;
bus_space_handle_t sc_ssph;
struct device *sc_wskbddev;
struct device *sc_wsmousedev;
struct tpcalib_softc sc_tpcalib;
void *sc_kbdsi;
void *sc_tpsi;
int sc_enabled;
struct proc *sc_ssp_kthread;
int sc_ssp_status;
struct simplelock sc_ssp_status_lock;
};
/* Values for struct softc's sc_ssp_status */
#define J720_SSP_STATUS_NONE 0
#define J720_SSP_STATUS_TP 1
#define J720_SSP_STATUS_KBD 2
void j720ssp_create_kthread __P((void *));
void j720ssp_kthread __P((void *));
int j720kbd_intr __P((void *));
int j720tp_intr __P((void *));
void j720kbd_poll __P((void *));
int j720tp_poll __P((void *));
int j720lcdparam __P((void *, int, long, void *));
static void j720kbd_read __P((struct j720ssp_softc *, char *));
static int j720ssp_readwrite __P((struct j720ssp_softc *, int,
int, int *, int));
int j720sspprobe __P((struct device *, struct cfdata *, void *));
void j720sspattach __P((struct device *, struct device *, void *));
int j720kbd_submatch __P((struct device *, struct cfdata *, void *));
int j720tp_submatch __P((struct device *, struct cfdata *, void *));
int apm_submatch __P((struct device *, struct cfdata *, void *));
int j720kbd_enable __P((void *, int));
void j720kbd_set_leds __P((void *, int));
int j720kbd_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
int hpcarm_apm_getpower __P((struct apm_power_info *, void *));
const struct cfattach j720ssp_ca = {
sizeof(struct j720ssp_softc), j720sspprobe, j720sspattach,
};
const struct wskbd_accessops j720kbd_accessops = {
j720kbd_enable,
j720kbd_set_leds,
j720kbd_ioctl,
};
void j720kbd_cngetc __P((void *, u_int *, int *));
void j720kbd_cnpollc __P((void *, int));
void j720kbd_cnbell __P((void *, u_int, u_int, u_int));
const struct wskbd_consops j720kbd_consops = {
j720kbd_cngetc,
j720kbd_cnpollc,
j720kbd_cnbell,
};
const struct wskbd_mapdata j720kbd_keymapdata = {
j720kbd_keydesctab,
#ifdef J720KBD_LAYOUT
J720KBD_LAYOUT,
#else
KB_US,
#endif
};
static int j720tp_enable __P((void *));
static int j720tp_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
static void j720tp_disable __P((void *));
const struct wsmouse_accessops j720tp_accessops = {
j720tp_enable,
j720tp_ioctl,
j720tp_disable,
};
static int j720ssp_powerstate = 1;
static struct j720ssp_softc j720kbdcons_sc;
static int j720kbdcons_initstate = 0;
#define DEBUG
#ifdef DEBUG
int j720sspwaitcnt;
int j720sspwaittime;
extern int gettick();
#endif
#define BIT_INVERT(x) do { \
(x) = ((((x) & 0xf0) >> 4) | (((x) & 0x0f) << 4)); \
(x) = ((((x) & 0xcc) >> 2) | (((x) & 0x33) << 2)); \
(x) = ((((x) & 0xaa) >> 1) | (((x) & 0x55) << 1)); \
} while(0)
int
j720sspprobe(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
return (1);
}
void
j720sspattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct j720ssp_softc *sc = (void *)self;
struct sa11x0_softc *psc = (void *)parent;
struct sa11x0_attach_args *sa = aux;
struct wskbddev_attach_args kbd_args;
struct wsmousedev_attach_args mouse_args;
#if NAPM > 0
struct apm_attach_args apm_args;
#endif
printf("\n");
sc->sc_iot = psc->sc_iot;
sc->sc_gpioh = psc->sc_gpioh;
if (bus_space_map(sc->sc_iot, sa->sa_addr, sa->sa_size, 0,
&sc->sc_ssph)) {
printf("%s: unable to map SSP registers\n",
sc->sc_dev.dv_xname);
return;
}
sc->sc_ssp_status = J720_SSP_STATUS_NONE;
simple_lock_init(&sc->sc_ssp_status_lock);
kthread_create(j720ssp_create_kthread, sc);
sc->sc_enabled = 0;
kbd_args.console = 0;
kbd_args.keymap = &j720kbd_keymapdata;
kbd_args.accessops = &j720kbd_accessops;
kbd_args.accesscookie = sc;
/* Do console initialization */
if (! (bootinfo->bi_cnuse & BI_CNUSE_SERIAL)) {
j720kbdcons_sc = *sc;
kbd_args.console = 1;
wskbd_cnattach(&j720kbd_consops, NULL, &j720kbd_keymapdata);
j720kbdcons_initstate = 1;
}
/*
* Attach the wskbd, saving a handle to it.
* XXX XXX XXX
*/
sc->sc_wskbddev = config_found_sm(self, &kbd_args, wskbddevprint,
j720kbd_submatch);
#ifdef DEBUG
/* Zero the stat counters */
j720sspwaitcnt = 0;
j720sspwaittime = 0;
#endif
if (j720kbdcons_initstate == 1)
j720kbd_enable(sc, 1);
mouse_args.accessops = &j720tp_accessops;
mouse_args.accesscookie = sc;
sc->sc_wsmousedev = config_found_sm(self, &mouse_args,
wsmousedevprint, j720tp_submatch);
tpcalib_init(&sc->sc_tpcalib);
/* XXX fill in "default" calibrate param */
{
static const struct wsmouse_calibcoords j720_default_calib = {
0, 0, 639, 239,
4,
{ { 988, 80, 0, 0 },
{ 88, 84, 639, 0 },
{ 988, 927, 0, 239 },
{ 88, 940, 639, 239 } } };
tpcalib_ioctl(&sc->sc_tpcalib, WSMOUSEIO_SCALIBCOORDS,
(caddr_t)&j720_default_calib, 0, 0);
}
j720tp_disable(sc);
/* Setup touchpad interrupt */
sa11x0_intr_establish(0, 9, 1, IPL_BIO, j720tp_intr, sc);
/* LCD control is on the same bus */
config_hook(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS,
CONFIG_HOOK_SHARE, j720lcdparam, sc);
config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_BRIGHTNESS,
CONFIG_HOOK_SHARE, j720lcdparam, sc);
config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_BRIGHTNESS_MAX,
CONFIG_HOOK_SHARE, j720lcdparam, sc);
config_hook(CONFIG_HOOK_SET, CONFIG_HOOK_CONTRAST,
CONFIG_HOOK_SHARE, j720lcdparam, sc);
config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_CONTRAST,
CONFIG_HOOK_SHARE, j720lcdparam, sc);
config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_CONTRAST_MAX,
CONFIG_HOOK_SHARE, j720lcdparam, sc);
#if NAPM > 0
/* attach APM emulation */
apm_args.aaa_magic = APM_ATTACH_ARGS_MAGIC; /* magic number */
(void)config_found_sm(self, &apm_args, NULL, apm_submatch);
#endif
return;
}
void
j720ssp_create_kthread(arg)
void *arg;
{
struct j720ssp_softc *sc = arg;
if (kthread_create1(j720ssp_kthread, sc,
&sc->sc_ssp_kthread, "j720ssp"))
panic("j720ssp_create_kthread");
return;
}
void
j720ssp_kthread(arg)
void *arg;
{
struct j720ssp_softc *sc = arg;
int ssp_status;
while (1) {
if (ssp_status & J720_SSP_STATUS_TP)
tsleep(&sc->sc_ssp_kthread, PRIBIO, "j720ssp", hz / 25);
else
tsleep(&sc->sc_ssp_kthread, PRIBIO, "j720ssp", 0);
simple_lock(&sc->sc_ssp_status_lock);
ssp_status = sc->sc_ssp_status;
sc->sc_ssp_status &= ~J720_SSP_STATUS_KBD;
simple_unlock(&sc->sc_ssp_status_lock);
if (ssp_status & J720_SSP_STATUS_KBD)
j720kbd_poll(sc);
if (ssp_status & J720_SSP_STATUS_TP) {
if (j720tp_poll(sc) == 0) {
simple_lock(&sc->sc_ssp_status_lock);
sc->sc_ssp_status &= ~J720_SSP_STATUS_TP;
simple_unlock(&sc->sc_ssp_status_lock);
}
}
}
/* NOTREACHED */
}
int
j720kbd_submatch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
if (strcmp(cf->cf_name, "wskbd") == 0)
return (1);
return (0);
}
int
j720tp_submatch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
if (strcmp(cf->cf_name, "wsmouse") == 0)
return (1);
return (0);
}
int
apm_submatch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
if (strcmp(cf->cf_name, "apm") == 0)
return (1);
return (0);
}
int
j720kbd_enable(v, on)
void *v;
int on;
{
struct j720ssp_softc *sc = v;
if (! sc->sc_enabled) {
sc->sc_enabled = 1;
sa11x0_intr_establish(0, 0, 1, IPL_BIO, j720kbd_intr, sc);
}
/* XXX */
return (0);
}
void
j720kbd_set_leds(v, on)
void *v;
int on;
{
/* XXX */
return;
}
int
j720kbd_ioctl(v, cmd, data, flag, p)
void *v;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
switch (cmd) {
case WSKBDIO_GTYPE:
*(int *)data = WSKBD_TYPE_HPC_KBD;
return 0;
}
return (EPASSTHROUGH);
}
int
j720kbd_intr(arg)
void *arg;
{
struct j720ssp_softc *sc = arg;
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_EDR, 1);
simple_lock(&sc->sc_ssp_status_lock);
sc->sc_ssp_status |= J720_SSP_STATUS_KBD;
simple_unlock(&sc->sc_ssp_status_lock);
wakeup(&sc->sc_ssp_kthread);
return (1);
}
int
j720tp_intr(arg)
void *arg;
{
struct j720ssp_softc *sc = arg;
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_EDR, 1 << 9);
simple_lock(&sc->sc_ssp_status_lock);
sc->sc_ssp_status |= J720_SSP_STATUS_TP;
simple_unlock(&sc->sc_ssp_status_lock);
j720tp_disable(sc);
wakeup(&sc->sc_ssp_kthread);
return (1);
}
void
j720kbd_poll(arg)
void *arg;
{
struct j720ssp_softc *sc = arg;
int s, type, value;
char buf[9], *p;
j720kbd_read(sc, buf);
for(p = buf; *p; p++) {
type = *p & 0x80 ? WSCONS_EVENT_KEY_UP :
WSCONS_EVENT_KEY_DOWN;
value = *p & 0x7f;
s = spltty();
wskbd_input(sc->sc_wskbddev, type, value);
splx(s);
if (type == WSCONS_EVENT_KEY_DOWN &&
value == 0x7f) {
j720ssp_powerstate = ! j720ssp_powerstate;
config_hook_call(CONFIG_HOOK_POWERCONTROL,
CONFIG_HOOK_POWERCONTROL_LCDLIGHT,
(void *)j720ssp_powerstate);
}
}
return;
}
void
j720kbd_read(sc, buf)
struct j720ssp_softc *sc;
char *buf;
{
int data, count;
#ifdef DEBUG
u_int32_t oscr;
oscr = gettick();
#endif
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PCR, 0x2000000);
/* send scan keycode command */
if (j720ssp_readwrite(sc, 1, 0x900, &data, 100) < 0 ||
data != 0x88)
goto out;
/* read numbers of scancode available */
if (j720ssp_readwrite(sc, 0, 0x8800, &data, 100) < 0)
goto out;
BIT_INVERT(data);
count = data;
for(; count; count--) {
if (j720ssp_readwrite(sc, 0, 0x8800, &data, 100) < 0)
goto out;
BIT_INVERT(data);
*buf++ = data;
}
*buf = 0;
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
#ifdef DEBUG
oscr = (u_int32_t)gettick() - oscr;
j720sspwaitcnt++;
j720sspwaittime += oscr;
#endif
return;
out:
*buf = 0;
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
/* reset SSP */
bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x307);
delay(100);
bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x387);
printf("j720kbd_read: error %x\n", data);
return;
}
int
j720tp_poll(arg)
void *arg;
{
struct j720ssp_softc *sc = arg;
int buf[8], data, i, x, y;
/*
* If touch panel is not touched anymore,
* stop polling and re-enable interrupt
*/
if (bus_space_read_4(sc->sc_iot,
sc->sc_gpioh, SAGPIO_PLR) & (1 << 9)) {
wsmouse_input(sc->sc_wsmousedev, 0, 0, 0, 0, 0);
j720tp_enable(sc);
return 0;
}
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PCR, 0x2000000);
/* send read touchpanel command */
if (j720ssp_readwrite(sc, 1, 0x500, &data, 100) < 0 ||
data != 0x88)
goto out;
for(i = 0; i < 8; i++) {
if (j720ssp_readwrite(sc, 0, 0x8800, &data, 100) < 0)
goto out;
BIT_INVERT(data);
buf[i] = data;
}
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
buf[6] <<= 8;
buf[7] <<= 8;
for(i = 0; i < 3; i++) {
buf[i] |= buf[6] & 0x300;
buf[6] >>= 2;
buf[i + 3] |= buf[7] & 0x300;
buf[7] >>= 2;
}
#if 0
printf("j720tp_poll: %d %d %d %d %d %d\n", buf[0], buf[1], buf[2],
buf[3], buf[4], buf[5]);
#endif
/* XXX buf[1], buf[2], ... should also be used */
tpcalib_trans(&sc->sc_tpcalib, buf[1], buf[4], &x, &y);
wsmouse_input(sc->sc_wsmousedev, 1, x, y, 0,
WSMOUSE_INPUT_ABSOLUTE_X | WSMOUSE_INPUT_ABSOLUTE_Y);
return 1;
out:
*buf = 0;
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
/* reset SSP */
bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x307);
delay(100);
bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x387);
printf("j720tp_poll: error %x\n", data);
return 0;
}
static int
j720tp_enable(arg)
void *arg;
{
struct j720ssp_softc *sc = arg;
int er, s;
s = splhigh();
er = bus_space_read_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_FER);
er |= 1 << 9;
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_FER, er);
splx(s);
return (0);
}
static void
j720tp_disable(arg)
void *arg;
{
struct j720ssp_softc *sc = arg;
int er, s;
s = splhigh();
er = bus_space_read_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_FER);
er &= ~(1 << 9);
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_FER, er);
splx(s);
}
static int
j720tp_ioctl(arg, cmd, data, flag, p)
void *arg;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
struct j720ssp_softc *sc = arg;
switch (cmd) {
case WSMOUSEIO_GTYPE:
*(u_int *)data = WSMOUSE_TYPE_TPANEL;
return (0);
case WSMOUSEIO_SCALIBCOORDS:
case WSMOUSEIO_GCALIBCOORDS:
return tpcalib_ioctl(&sc->sc_tpcalib, cmd, data, flag, p);
default:
return (EPASSTHROUGH);
}
}
int
j720lcdparam(ctx, type, id, msg)
void *ctx;
int type;
long id;
void *msg;
{
struct j720ssp_softc *sc = ctx;
int i, s;
u_int32_t data[2], len;
switch (type) {
case CONFIG_HOOK_GET:
switch (id) {
case CONFIG_HOOK_BRIGHTNESS_MAX:
case CONFIG_HOOK_CONTRAST_MAX:
*(int *)msg = 255;
return 1;
case CONFIG_HOOK_BRIGHTNESS:
data[0] = 0x6b00;
data[1] = 0x8800;
len = 2;
break;
case CONFIG_HOOK_CONTRAST:
data[0] = 0x2b00;
data[1] = 0x8800;
len = 2;
break;
default:
return 0;
}
break;
case CONFIG_HOOK_SET:
switch (id) {
case CONFIG_HOOK_BRIGHTNESS:
if (*(int *)msg >= 0) {
data[0] = 0xcb00;
data[1] = *(int *)msg;
BIT_INVERT(data[1]);
data[1] <<= 8;
len = 2;
} else {
/* XXX hack */
data[0] = 0xfb00;
len = 1;
}
break;
case CONFIG_HOOK_CONTRAST:
data[0] = 0x8b00;
data[1] = *(int *)msg;
BIT_INVERT(data[1]);
data[1] <<= 8;
len = 2;
break;
default:
return 0;
}
}
s = splbio();
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PCR, 0x2000000);
for (i = 0; i < len; i++) {
if (j720ssp_readwrite(sc, 1, data[i], &data[i], 500) < 0)
goto out;
}
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
splx(s);
if (type == CONFIG_HOOK_SET)
return 1;
BIT_INVERT(data[1]);
*(int *)msg = data[1];
return 1;
out:
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
/* reset SSP */
bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x307);
delay(100);
bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x387);
splx(s);
return 0;
}
static int
j720ssp_readwrite(sc, drainfifo, in, out, wait)
struct j720ssp_softc *sc;
int drainfifo;
int in;
int *out;
int wait;
{
int timo;
timo = 100000;
while(bus_space_read_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PLR) & 0x400)
if (--timo == 0) {
printf("timo0\n");
return -1;
}
if (drainfifo) {
while(bus_space_read_4(sc->sc_iot, sc->sc_ssph, SASSP_SR) &
SR_RNE)
bus_space_read_4(sc->sc_iot, sc->sc_ssph, SASSP_DR);
#if 1
delay(wait);
#endif
}
bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_DR, in);
delay(wait);
timo = 100000;
while(! (bus_space_read_4(sc->sc_iot, sc->sc_ssph, SASSP_SR) & SR_RNE))
if (--timo == 0) {
printf("timo1\n");
return -1;
}
*out = bus_space_read_4(sc->sc_iot, sc->sc_ssph, SASSP_DR);
return 0;
}
#if 0
int
j720kbd_cnattach(void)
{
/* XXX defer initialization till j720sspattach */
return (0);
}
#endif
/* ARGSUSED */
void
j720kbd_cngetc(v, type, data)
void *v;
u_int *type;
int *data;
{
char buf[9];
if (j720kbdcons_initstate < 1)
return;
for (;;) {
j720kbd_read(&j720kbdcons_sc, buf);
if (buf[0] != 0) {
/* XXX we are discarding buffer contents */
*type = buf[0] & 0x80 ? WSCONS_EVENT_KEY_UP :
WSCONS_EVENT_KEY_DOWN;
*data = buf[0] & 0x7f;
return;
}
}
}
void
j720kbd_cnpollc(v, on)
void *v;
int on;
{
#if 0
/* XXX */
struct j720kbd_internal *t = v;
pckbc_set_poll(t->t_kbctag, t->t_kbcslot, on);
#endif
}
void
j720kbd_cnbell(v, pitch, period, volume)
void *v;
u_int pitch;
u_int period;
u_int volume;
{
}
int
j720lcdpower(ctx, type, id, msg)
void *ctx;
int type;
long id;
void *msg;
{
struct sed1356_softc *sc = ctx;
struct sa11x0_softc *psc = sc->sc_parent;
int val;
u_int32_t reg;
if (type != CONFIG_HOOK_POWERCONTROL ||
id != CONFIG_HOOK_POWERCONTROL_LCDLIGHT)
return 0;
sed1356_init_brightness(sc, 0);
sed1356_init_contrast(sc, 0);
if (msg) {
bus_space_write_1(sc->sc_iot, sc->sc_regh, 0x1f0, 0);
reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
reg |= 0x1;
bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
delay(50000);
val = sc->sc_contrast;
config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_CONTRAST, &val);
delay(100000);
reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
reg |= 0x4;
bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
val = sc->sc_brightness;
config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS, &val);
reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
reg |= 0x2;
bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
} else {
reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
reg &= ~0x2;
bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
reg &= ~0x4;
bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
delay(100000);
val = -2;
config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS, &val);
bus_space_write_1(sc->sc_iot, sc->sc_regh, 0x1f0, 1);
delay(100000);
reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
reg &= ~0x1;
bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
}
return 1;
}
int
hpcarm_apm_getpower(api, parent)
struct apm_power_info *api;
void *parent;
{
int data, pmdata[3], i;
struct j720ssp_softc *sc = (struct j720ssp_softc *)parent;
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PCR, 0x2000000);
if (j720ssp_readwrite(sc, 1, 0x300, &data, 100) < 0 || data != 0x88)
goto out;
for (i = 0; i < 3; i++) {
if (j720ssp_readwrite(sc, 0, 0x8800, &pmdata[i], 500) < 0)
goto out;
BIT_INVERT(pmdata[i]);
#if 0
printf("pmdata%d = %d ", i, pmdata[i]);
#endif
}
printf("\n");
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
bzero(api, sizeof(struct apm_power_info));
api->ac_state = APM_AC_UNKNOWN;
/*
* pmdata[0] is the main battery level
* pmdata[1] is the backup battery level
* pmdata[2] tells which battery is present
*/
switch(pmdata[2]) {
case 14: /* backup battery present */
case 2: /* backup battery absent */
api->battery_state = APM_BATT_CHARGING;
api->minutes_left = (pmdata[0] * 840) / 170;
api->battery_life = (pmdata[0] * 100) / 170;
api->nbattery = 1;
break;
case 15: /* backup battery present */
case 3: /* backup battery absent */
api->battery_state = APM_BATT_ABSENT;
api->battery_life = 0;
api->nbattery = 0;
break;
default:
api->battery_state = APM_BATT_UNKNOWN;
break;
}
return 0;
out:
bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
/* reset SSP */
bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x307);
delay(100);
bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x387);
printf("hpcarm_apm_getpower: error %x\n", data);
return EIO;
}
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