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NetBSD/sys/arch/arm/iomd/kbd.c
lukem 08716eae82 __KERNEL_RCSID()
2003-07-15 00:24:37 +00:00

1029 lines
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/* $NetBSD: kbd.c,v 1.6 2003/07/15 00:24:45 lukem Exp $ */
/*
* Copyright (c) 1994-1997 Mark Brinicombe.
* Copyright (c) 1994 Brini.
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* 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 Mark Brinicombe.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* RiscBSD kernel project
*
* kbd.c
*
* Keyboard driver functions
*
* Created : 09/10/94
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kbd.c,v 1.6 2003/07/15 00:24:45 lukem Exp $");
#include "opt_ddb.h"
#include "opt_pmap_debug.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/callout.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/proc.h>
#include <sys/reboot.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/malloc.h>
#include <sys/tty.h>
#include <sys/vnode.h>
#include <sys/select.h>
#include <sys/fcntl.h>
#include <sys/signalvar.h>
#include <sys/time.h>
#include <sys/poll.h>
#include <machine/bus.h>
#include <machine/kbd.h>
#include <arm/iomd/kbdvar.h>
#include <arm/iomd/console/console.h>
#include "vt.h"
#include "kbd.h"
/* Special keycodes */
#define KEYCODE_UP 0x100
#define KEYCODE_DOWN 0x101
#define KEYCODE_LEFT 0x102
#define KEYCODE_RIGHT 0x103
#define KEYCODE_PGUP 0x104
#define KEYCODE_PGDN 0x105
#define KEYCODE_INSERT 0x108
#define KEYCODE_DELETE 0x109
#define KEYCODE_HOME 0x10a
#define KEYCODE_END 0x10b
/* Key modifiers flags */
#define MODIFIER_CTRL 0x01
#define MODIFIER_SHIFT 0x02
#define MODIFIER_ALT 0x04
#define MODIFIER_MASK 0x07
#define MODIFIER_CAPS 0x20
#define MODIFIER_NUM 0x10
#define MODIFIER_SCROLL 0x08
#define MODIFIER_LOCK_MASK 0x38
#define MODIFIER_CAPSLOCK 0x40
#define MODIFIER_NORETURN 0x80
/* Keyboard variables */
struct kbd_softc *console_kbd = NULL;
#define RAWKBD_BSIZE 128
static int autorepeatkey = -1;
static struct kbd_autorepeat kbdautorepeat = { 5, 20 };
static int rawkbd_device = 0;
int modifiers = 0;
static int kbd_ack = 0;
static int kbd_resend = 0;
static struct callout autorepeat_ch = CALLOUT_INITIALIZER;
static struct callout autorepeatstart_ch = CALLOUT_INITIALIZER;
#ifdef PMAP_DEBUG
extern int pmap_debug_level;
#endif
#define KBDUNIT(u) (minor(u) / 2)
#define KBDFLAG(u) (minor(u) % 2)
#define KBDFLAG_RAWUNIT 0
#define KBDFLAG_CONUNIT 1
extern key_struct keys[];
extern key_struct E0keys[];
/* Local function prototypes */
int kbdreset __P((struct kbd_softc *sc));
void kbd_flush_input __P((struct kbd_softc *sc));
int kbdcmd __P((struct kbd_softc *sc, u_char cmd));
void kbdsetleds __P((struct kbd_softc *sc, int leds));
int PollKeyboard __P((int));
int kbddecodekey __P((struct kbd_softc *, int));
int kbdintr __P((void *arg));
void autorepeatstart __P((void *));
void autorepeat __P((void *));
extern int physconkbd __P((int key));
#ifdef PMAP_DEBUG
extern void pmap_debug __P((int level));
#endif
extern void halt __P((void));
extern struct cfdriver kbd_cd;
dev_type_open(kbdopen);
dev_type_close(kbdclose);
dev_type_read(kbdread);
dev_type_ioctl(kbdioctl);
const struct cdevsw kbd_cdevsw = {
kbdopen, kbdclose, kbdread, nowrite, kbdioctl,
nostop, notty, nopoll, nommap, nokqfilter,
};
/* keyboard commands */
#define KBC_RESET 0xFF /* reset the keyboard */
#define KBC_RESEND 0xFE /* request the keyboard resend the last byte */
#define KBC_SET_TMB 0xFA /* What is this one ? */
#define KBC_SETDEFAULT 0xF6 /* resets keyboard to its power-on defaults */
#define KBC_DISABLE 0xF5 /* as per KBC_SETDEFAULT, but also disable key scanning */
#define KBC_ENABLE 0xF4 /* enable key scanning */
#define KBC_TYPEMATIC 0xF3 /* set typematic rate and delay */
#define KBD_READID 0xF2 /* Read keyboard ID */
#define KBC_SETSCANTBL 0xF0 /* set scancode translation table */
#define KBC_SETLEDS 0xED /* set mode indicators (i.e. LEDs) */
#define KBC_ECHO 0xEE /* request an echo from the keyboard */
#define KBD_SETSCAN_2 0x02
#define KBD_SETSCAN_3 0x03
/* keyboard responses */
#define KBR_EXTENDED 0xE0 /* extended key sequence */
#define KBR_RESEND 0xFE /* needs resend of command */
#define KBR_ACK 0xFA /* received a valid command */
#define KBR_OVERRUN 0x00 /* flooded */
#define KBR_FAILURE 0xFD /* diagnosic failure */
#define KBR_BREAK 0xF0 /* break code prefix - sent on key release */
#define KBR_RSTDONE 0xAA /* reset complete */
#define KBR_ECHO 0xEE /* echo response */
#define KBD_DATA 0
#define KBD_CR 1
#define KBD_STATUS 1
#define KBD_CR_ENABLE 0x08
#define KBD_CR_KDATAO 0x02
#define KBD_CR_KCLKO 0x01
#define KBD_ST_TXE 0x80
#define KBD_ST_TXB 0x40
#define KBD_ST_RXF 0x20
#define KBD_ST_RXB 0x10
#define KBD_ST_ENABLE 0x08
#define KBD_ST_RXPARITY 0x04
#define KBD_ST_KDATAI 0x02
#define KBD_ST_KCLKI 0x01
int
kbdopen(dev, flag, mode, p)
dev_t dev;
int flag;
int mode;
struct proc *p;
{
struct kbd_softc *sc;
int unit = KBDUNIT(dev);
if (unit >= kbd_cd.cd_ndevs)
return(ENXIO);
sc = kbd_cd.cd_devs[unit];
if (!sc) return(ENXIO);
switch (KBDFLAG(dev)) {
case KBDFLAG_RAWUNIT :
if (sc->sc_state & RAWKBD_OPEN)
return(EBUSY);
sc->sc_state |= RAWKBD_OPEN;
if (clalloc(&sc->sc_q, RAWKBD_BSIZE, 0) == -1)
return(ENOMEM);
sc->sc_proc = p;
rawkbd_device = 1;
break;
case KBDFLAG_CONUNIT :
if (sc->sc_state & KBD_OPEN)
return(EBUSY);
sc->sc_state |= KBD_OPEN;
break;
}
/* Kill any active autorepeat */
callout_stop(&autorepeatstart_ch);
callout_stop(&autorepeat_ch);
return(0);
}
int
kbdclose(dev, flag, mode, p)
dev_t dev;
int flag;
int mode;
struct proc *p;
{
int unit = KBDUNIT(dev);
struct kbd_softc *sc = kbd_cd.cd_devs[unit];
switch (KBDFLAG(dev)) {
case KBDFLAG_RAWUNIT :
if (!(sc->sc_state & RAWKBD_OPEN))
return(EINVAL);
sc->sc_state &= ~RAWKBD_OPEN;
clfree(&sc->sc_q);
sc->sc_proc = NULL;
rawkbd_device = 0;
break;
case KBDFLAG_CONUNIT :
if (!(sc->sc_state & KBD_OPEN))
return(EINVAL);
sc->sc_state &= ~KBD_OPEN;
break;
}
return(0);
}
int
kbdread(dev, uio, flag)
dev_t dev;
struct uio *uio;
int flag;
{
struct kbd_softc *sc = kbd_cd.cd_devs[KBDUNIT(dev)];
int s;
int error = 0;
size_t length;
u_char buffer[128];
if (KBDFLAG(dev) == KBDFLAG_CONUNIT)
return(ENXIO);
/* Block until keyboard activity occurred. */
s = spltty();
while (sc->sc_q.c_cc == 0) {
if (flag & IO_NDELAY) {
splx(s);
return EWOULDBLOCK;
}
sc->sc_state |= RAWKBD_ASLEEP;
if ((error = tsleep((caddr_t)sc, PZERO | PCATCH, "kbdread", 0))) {
sc->sc_state &= (~RAWKBD_ASLEEP);
splx(s);
return error;
}
}
splx(s);
/* Transfer as many chunks as possible. */
while (sc->sc_q.c_cc > 0 && uio->uio_resid > 0) {
length = min(sc->sc_q.c_cc, uio->uio_resid);
if (length > sizeof(buffer))
length = sizeof(buffer);
/* Remove a small chunk from the input queue. */
(void) q_to_b(&sc->sc_q, buffer, length);
/* Copy the data to the user process. */
if ((error = (uiomove(buffer, length, uio))))
break;
}
return error;
}
int
kbdioctl(dev, cmd, data, flag, p)
dev_t dev;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
struct kbd_softc *sc = kbd_cd.cd_devs[KBDUNIT(dev)];
struct kbd_autorepeat *kbdar = (void *)data;
int *leds = (int *)data;
int s;
switch (cmd) {
case KBD_GETAUTOREPEAT:
/* if (KBDFLAG(dev) == KBDFLAG_RAWUNIT)
return(EINVAL);*/
*kbdar = kbdautorepeat;
break;
case KBD_SETAUTOREPEAT:
/* if (KBDFLAG(dev) == KBDFLAG_RAWUNIT)
return(EINVAL);*/
s = spltty();
kbdautorepeat = *kbdar;
if (kbdautorepeat.ka_rate < 1)
kbdautorepeat.ka_rate = 1;
if (kbdautorepeat.ka_rate > 50)
kbdautorepeat.ka_rate = 50;
if (kbdautorepeat.ka_delay > 50)
kbdautorepeat.ka_delay = 50;
if (kbdautorepeat.ka_delay < 1)
kbdautorepeat.ka_delay = 1;
(void)splx(s);
break;
case KBD_SETLEDS:
kbdsetleds(sc, *leds);
break;
default:
return(ENXIO);
}
return(0);
}
/* Low level keyboard driver functions */
/*
* kbdcmd
*
* Send a command to the keyboard
* Returns 0 if command succeeded or 1 if it failed.
*/
int
kbdcmd(sc, cmd)
struct kbd_softc *sc;
u_char cmd;
{
u_char c;
int i = 0;
int retry;
for (retry = 7; retry >= 0; --retry) {
/* Wait for empty kbd transmit register */
for (i = 1000; i; i--) {
if (bus_space_read_1(sc->sc_iot, sc->sc_ioh, KBD_STATUS) & KBD_ST_TXE)
break;
delay(200);
}
if (i == 0)
printf("%s: transmit not ready\n", sc->sc_device.dv_xname);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, KBD_DATA, cmd);
delay(200);
/* Wait for full kbd receive register */
for (i = 0; i < 1000; i++) {
c = bus_space_read_1(sc->sc_iot, sc->sc_ioh, KBD_STATUS);
if ((c & KBD_ST_RXF) == KBD_ST_RXF)
break;
delay(100);
}
delay(100);
/* Get byte from kbd receive register */
c = bus_space_read_1(sc->sc_iot, sc->sc_ioh, KBD_DATA);
if ((c == KBR_ACK) || (c == KBR_ECHO))
return(0);
/* Failed if we have more reties to go flush kbd */
if (retry)
kbd_flush_input(sc);
}
printf("%s: command failed, cmd = %02x, status = %02x\n", sc->sc_device.dv_xname, cmd, c);
return(1);
}
/*
* kbd_flush_input()
*
* Flushes the keyboard input register
*/
void
kbd_flush_input(sc)
struct kbd_softc *sc;
{
int i;
/* Loop round reading bytes while the receive buffer is not empty */
for (i = 0; i < 20; i++) {
if ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, KBD_STATUS) & KBD_ST_RXF) == 0)
break;
delay(100);
(void)bus_space_read_1(sc->sc_iot, sc->sc_ioh, KBD_DATA);
}
}
/*
* kbdreset()
*
* Resets the keyboard.
* Returns 0 if successful.
* Returns 1 if keyboard could not be enabled.
* Returns 2 if keyboard could not be reset.
*/
int
kbdreset(sc)
struct kbd_softc *sc;
{
int i;
u_char c;
kbd_flush_input(sc);
/* Disable, wait then enable the keyboard interface */
bus_space_write_1(sc->sc_iot, sc->sc_ioh, KBD_CR, 0x00);
delay(100);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, KBD_CR, KBD_CR_ENABLE);
/* Wait for kdata and kclk to go high */
for (i = 1000; i; i--) {
if ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, KBD_STATUS)
& (KBD_ST_KDATAI | KBD_ST_KCLKI))
== (KBD_ST_KDATAI | KBD_ST_KCLKI))
break;
bus_space_write_1(sc->sc_iot, sc->sc_ioh, KBD_CR,
(KBD_CR_KDATAO | KBD_CR_KCLKO));
delay(200);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, KBD_CR, KBD_CR_ENABLE);
}
if (i == 0 || (bus_space_read_1(sc->sc_iot, sc->sc_ioh, KBD_STATUS)
& KBD_ST_ENABLE) == 0)
return(1);
kbd_flush_input(sc);
kbdcmd(sc, KBC_DISABLE);
retry:
kbdcmd(sc, KBC_RESET);
delay(500000);
for (i = 100; i; i--) {
c = bus_space_read_1(sc->sc_iot, sc->sc_ioh, KBD_DATA);
if (c == KBR_RSTDONE)
break;
delay(100000);
if (c == KBR_RESEND) {
printf(" [retry]");
goto retry;
}
}
if (i == 0)
return(2);
kbdcmd(sc, KBC_SETSCANTBL);
kbdcmd(sc, KBD_SETSCAN_2);
kbdcmd(sc, KBC_ENABLE);
modifiers = MODIFIER_NUM;
kbdsetleds(sc, (modifiers >> 3) & 7);
return(0);
}
void
kbdsetleds(sc, leds)
struct kbd_softc *sc;
int leds;
{
kbdcmd(sc, KBC_SETLEDS);
kbdcmd(sc, leds);
}
#if 0
void
kbdsetstate(sc, state)
struct kbd_softc *sc;
int state;
{
modifiers = state & MODIFIER_LOCK_MASK;
kbdsetleds(sc, (modifiers >> 3) & 7);
}
int
kdbgetstate(sc)
struct kbd_softc *sc;
{
return(modifiers);
}
#endif
int
getkey_polled()
{
int code;
int key;
int up;
key_struct *ks;
int s;
if (console_kbd == NULL) {
/*
* Cannot panic here as that will either call the debugger or
* cpu_reboot() which will try and read a key.
*/
printf("console_kbd = 0\n");
halt();
}
s = splhigh();
key = 0;
do {
while ((bus_space_read_1(console_kbd->sc_iot, console_kbd->sc_ioh, KBD_STATUS) & KBD_ST_RXF) == 0) ;
delay(10);
/* Read the IOMD keyboard register and process the key */
code = PollKeyboard(bus_space_read_1(console_kbd->sc_iot, console_kbd->sc_ioh, KBD_DATA));
if (code != 0) {
up = (code & 0x100);
key = code & 0xff;
/* printf("code=%04x mod=%04x\n", code, modifiers);*/
/* By default we use the main keycode lookup table */
ks = keys;
/* If we have an E0 or E1 sqeuence we use the extended table */
if (code > 0x1ff)
ks = E0keys;
/* Is the key a temporary modifier ? */
if (ks[key].flags & MODIFIER_MASK) {
if (up)
modifiers &= ~ks[key].flags;
else
modifiers |= ks[key].flags;
key = 0;
continue;
}
/* Is the key a locking modifier ? */
if (ks[key].flags & MODIFIER_LOCK_MASK) {
if (!up) {
modifiers ^= ks[key].flags;
kbdsetleds(console_kbd, (modifiers >> 3) & 7);
}
key = 0;
continue;
}
/* Lookup the correct key code */
if (modifiers & 0x01)
key = ks[key].ctrl_code;
else if (modifiers & 0x02)
key = ks[key].shift_code;
else if (modifiers & 0x04)
key = ks[key].alt_code;
else
key = ks[key].base_code;
if (modifiers & MODIFIER_CAPS) {
if ((key >= 'A' && key <= 'Z') || (key >= 'a' && key <= 'z'))
key ^= 0x20;
}
if (up)
key = 0;
if (!up && key >= 0x200) {
#if (NVT > 0)
if ((key & ~0x0f) == 0x480)
console_switch((key & 0x0f) - 1);
else
#endif
switch (key) {
#if (NVT > 0)
case 0x201:
console_scrollforward();
break;
case 0x200:
console_scrollback();
break;
#endif
default:
break;
}
key = 0;
}
}
} while (key == 0);
if (key == '\r')
key = '\n';
splx(s);
return(key);
}
/* Keyboard IRQ handler */
int
kbdintr(arg)
void *arg;
{
struct kbd_softc *sc = arg;
int key;
/* Read the IOMD keyboard register and process the key */
key = PollKeyboard(bus_space_read_1(sc->sc_iot, sc->sc_ioh, KBD_DATA));
/* If we have a raw keycode convert it to an ASCII code */
if (key != 0)
kbddecodekey(sc, key);
return(1); /* Claim interrupt */
}
/* Flags used to decode the raw keys */
#define FLAG_KEYUP 0x01
#define FLAG_E0 0x02
#define FLAG_E1 0x04
static int flags = 0;
/*
* This function is now misnamed.
* It processes the raw key codes from the keyboard and generates
* a unique code that can be decoded with the key translation array.
*/
int
PollKeyboard(code)
int code;
{
/* printf("%02x.", code);*/
/*
* Set the keyup flag if this is the release code.
*/
if (code == 0xf0) {
flags |= FLAG_KEYUP;
return(0);
}
/* If it is a special code ignore it */
if (code == 0xff || code == 0x00) {
flags = 0;
return(0);
}
/* If it is a resend code note it down */
if (code == KBR_RESEND) {
printf("kbd:resend\n");
kbd_resend = 1;
return(0);
}
/* If it is an ack code note it down */
if (code == KBR_ACK) {
/* printf("kbd:ack\n");*/
kbd_ack = 1;
return(0);
}
/* Flag the start of an E0 sequence. */
if (code == 0xe0) {
flags |= FLAG_E0;
return(0);
}
/* Flag the start of an E1 sequence. */
if (code == 0xe1) {
flags |= FLAG_E1;
return(0);
}
/* Ignore any other invalid codes */
if (code > 0x8f) {
flags = 0;
return(0);
}
/* printf("%02x:%02x.", code, flags);*/
/* Mark the code appropriately if it is part of an E0 sequence */
if (flags & FLAG_E0) {
flags &= ~FLAG_E0;
if (code == 0x12) {
flags &= ~FLAG_KEYUP;
return(0);
}
code |= 0x200;
}
/* Mark the key if it is the upcode */
if (flags & FLAG_KEYUP) {
flags &= ~FLAG_KEYUP;
code |= 0x100;
}
/* Mark the code appropriately if it is part of an E1 sequence */
if (flags & FLAG_E1) {
if ((code & 0xff) == 0x14) {
return(0);
}
flags &= ~FLAG_E1;
code |= 0x400;
flags &= ~FLAG_KEYUP;
}
return(code);
}
/*
* This routine decodes the unique keycode and generates an ASCII code
* if necessary.
*/
int
kbddecodekey(sc, code)
struct kbd_softc *sc;
int code;
{
key_struct *ks;
int up;
int key;
console_unblank();
/* Do we have the raw kbd device open ... */
if (rawkbd_device == 1 && code != 0) {
struct kbd_data buffer;
int s;
/* Add this event to the queue. */
buffer.keycode = code;
microtime(&buffer.event_time);
s=spltty();
(void) b_to_q((char *)&buffer, sizeof(buffer), &sc->sc_q);
splx(s);
selwakeup(&sc->sc_rsel);
if (sc->sc_state & RAWKBD_ASLEEP) {
sc->sc_state &= ~RAWKBD_ASLEEP;
wakeup((caddr_t)sc);
}
psignal(sc->sc_proc, SIGIO);
return(1);
}
up = (code & 0x100);
key = code & 0xff;
/* By default we use the main keycode lookup table */
ks = keys;
/* If we have an E0 or E1 sqeuence we use the extended table */
if (code > 0x1ff)
ks = E0keys;
/* Is the key a temporary modifier ? */
if (ks[key].flags & MODIFIER_MASK) {
if (up)
modifiers &= ~ks[key].flags;
else
modifiers |= ks[key].flags;
return(0);
}
/* Is the key a locking modifier ? */
if (ks[key].flags & MODIFIER_LOCK_MASK) {
if (!up) {
modifiers ^= ks[key].flags;
kbdsetleds(sc, (modifiers >> 3) & 7);
}
return(0);
}
/* Lookup the correct key code */
if (modifiers & 0x01)
key = ks[key].ctrl_code;
else if (modifiers & 0x02)
key = ks[key].shift_code;
else if (modifiers & 0x04)
key = ks[key].alt_code;
else
key = ks[key].base_code;
if (modifiers & MODIFIER_CAPS) {
if ((key >= 'A' && key <= 'Z') || (key >= 'a' && key <= 'z'))
key ^= 0x20;
}
/* If no valid code the key is not yet mapped so report error */
#ifdef DEBUG_TERM
/* if (key == 0) {
char err[80];
sprintf(err, "\n\rUnknown keycode %04x\n\r", code);
dprintf(err);
}*/
#endif
/* If we have an ASCII code insert it into the keyboard buffer */
if (!up && key != 0) {
if (key >= 0x200) {
callout_stop(&autorepeatstart_ch);
callout_stop(&autorepeat_ch);
autorepeatkey = -1;
#if (NVT > 0)
if ((key & ~0x0f) == 0x480)
console_switch((key & 0x0f) - 1);
else
#endif
switch (key) {
#ifdef PMAP_DEBUG
case 0x22b:
pmap_debug(pmap_debug_level + 1);
break;
case 0x22d:
pmap_debug(pmap_debug_level - 1);
break;
#endif
#if (NVT > 0)
case 0x201:
console_scrollforward();
break;
case 0x200:
console_scrollback();
break;
#if CHUQ
/*
case 0x202:
console_switchdown();
break;
case 0x203:
console_switchup();
break;
*/
#endif
#endif
case 0x204:
--kbdautorepeat.ka_rate;
if (kbdautorepeat.ka_rate < 1)
kbdautorepeat.ka_rate = 1;
break;
case 0x205:
++kbdautorepeat.ka_rate;
if (kbdautorepeat.ka_rate > 50)
kbdautorepeat.ka_rate = 50;
break;
case 0x20a:
++kbdautorepeat.ka_delay;
if (kbdautorepeat.ka_delay > 50)
kbdautorepeat.ka_delay = 50;
break;
case 0x20b:
--kbdautorepeat.ka_delay;
if (kbdautorepeat.ka_delay < 1)
kbdautorepeat.ka_delay = 1;
break;
#ifdef DDB
case 0x208:
Debugger();
break;
#endif
case 0x21b:
printf("Kernel interruption\n");
cpu_reboot(RB_HALT, NULL);
break;
case 0x209:
printf("Kernel interruption - nosync\n");
cpu_reboot(RB_NOSYNC | RB_HALT, NULL);
break;
default:
printf("Special key %04x\n", key);
break;
}
} else {
/*
* Check rawkbd_device first, in case we stick in the
* physconkbd().
*/
if (rawkbd_device == 0 && physconkbd(key) == 0) {
if (autorepeatkey != key) {
callout_stop(&autorepeatstart_ch);
callout_stop(&autorepeat_ch);
autorepeatkey = key;
callout_reset(&autorepeatstart_ch,
hz / kbdautorepeat.ka_delay,
autorepeatstart, &autorepeatkey);
}
}
return(1);
}
} else {
callout_stop(&autorepeatstart_ch);
callout_stop(&autorepeat_ch);
autorepeatkey = -1;
}
return(0);
}
void
autorepeatstart(key)
void *key;
{
physconkbd(*((int *)key));
callout_reset(&autorepeat_ch, hz / kbdautorepeat.ka_rate,
autorepeat, key);
}
void
autorepeat(key)
void *key;
{
physconkbd(*((int *)key));
callout_reset(&autorepeat_ch, hz / kbdautorepeat.ka_rate,
autorepeat, key);
}
/* End of kbd.c */
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