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NetBSD/sys/arch/hp300/dev/ite.c

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/* $NetBSD: ite.c,v 1.37 1997/02/02 09:40:31 thorpej Exp $ */
/*
* Copyright (c) 1996 Jason R. Thorpe. All rights reserved.
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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.
*
* from: Utah $Hdr: ite.c 1.28 92/12/20$
*
* @(#)ite.c 8.2 (Berkeley) 1/12/94
*/
/*
* Bit-mapped display terminal emulator machine independent code.
* This is a very rudimentary. Much more can be abstracted out of
* the hardware dependent routines.
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/proc.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <dev/cons.h>
#include <hp300/dev/grfioctl.h>
#include <hp300/dev/grfvar.h>
#include <hp300/dev/itevar.h>
#include <hp300/dev/kbdmap.h>
#define set_attr(ip, attr) ((ip)->attribute |= (attr))
#define clr_attr(ip, attr) ((ip)->attribute &= ~(attr))
/*
* # of chars are output in a single itestart() call.
* If this is too big, user processes will be blocked out for
* long periods of time while we are emptying the queue in itestart().
* If it is too small, console output will be very ragged.
*/
int iteburst = 64;
struct ite_data *kbd_ite = NULL;
int itematch __P((struct device *, struct cfdata *, void *));
void iteattach __P((struct device *, struct device *, void *));
struct cfattach ite_ca = {
sizeof(struct ite_softc), itematch, iteattach
};
struct cfdriver ite_cd = {
NULL, "ite", DV_TTY
};
/*
* Terminal emulator state information, statically allocated
* for the benefit of the console.
*/
struct ite_data ite_cn;
void iteinit __P((struct ite_data *));
void iteputchar __P((int, struct ite_data *));
void itecheckwrap __P((struct ite_data *, struct itesw *));
void ite_dchar __P((struct ite_data *, struct itesw *));
void ite_ichar __P((struct ite_data *, struct itesw *));
void ite_dline __P((struct ite_data *, struct itesw *));
void ite_iline __P((struct ite_data *, struct itesw *));
void ite_clrtoeol __P((struct ite_data *, struct itesw *, int, int));
void ite_clrtoeos __P((struct ite_data *, struct itesw *));
void itestart __P((struct tty *));
/*
* Primary attribute buffer to be used by the first bitmapped console
* found. Secondary displays alloc the attribute buffer as needed.
* Size is based on a 68x128 display, which is currently our largest.
*/
u_char ite_console_attributes[0x2200];
#define ite_erasecursor(ip, sp) { \
if ((ip)->flags & ITE_CURSORON) \
(*(sp)->ite_cursor)((ip), ERASE_CURSOR); \
}
#define ite_drawcursor(ip, sp) { \
if ((ip)->flags & ITE_CURSORON) \
(*(sp)->ite_cursor)((ip), DRAW_CURSOR); \
}
#define ite_movecursor(ip, sp) { \
if ((ip)->flags & ITE_CURSORON) \
(*(sp)->ite_cursor)((ip), MOVE_CURSOR); \
}
int
itematch(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
return (1);
}
void
iteattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ite_softc *ite = (struct ite_softc *)self;
struct grf_softc *grf = (struct grf_softc *)parent;
struct grfdev_attach_args *ga = aux;
/* Allocate the ite_data. */
if (ga->ga_isconsole) {
ite->sc_data = &ite_cn;
printf(": console");
/*
* We didn't know which unit this would be during
* the console probe, so we have to fixup cn_dev here.
*/
cn_tab->cn_dev = makedev(ite_major(), self->dv_unit);
} else {
ite->sc_data =
(struct ite_data *)malloc(sizeof(struct ite_data),
M_DEVBUF, M_NOWAIT);
if (ite->sc_data == NULL) {
printf("\n%s: malloc for ite_data failed\n",
ite->sc_dev.dv_xname);
return;
}
bzero(ite->sc_data, sizeof(struct ite_data));
ite->sc_data->flags = ITE_ALIVE;
}
/*
* Cross-reference the ite and the grf.
*/
ite->sc_grf = grf;
grf->sc_ite = ite;
printf("\n");
}
/*
* Perform functions necessary to setup device as a terminal emulator.
*/
int
iteon(ip, flag)
struct ite_data *ip;
int flag;
{
if ((ip->flags & ITE_ALIVE) == 0)
return(ENXIO);
/* force ite active, overriding graphics mode */
if (flag & 1) {
ip->flags |= ITE_ACTIVE;
ip->flags &= ~(ITE_INGRF|ITE_INITED);
}
/* leave graphics mode */
if (flag & 2) {
ip->flags &= ~ITE_INGRF;
if ((ip->flags & ITE_ACTIVE) == 0)
return(0);
}
ip->flags |= ITE_ACTIVE;
if (ip->flags & ITE_INGRF)
return(0);
if (kbd_ite == NULL || kbd_ite == ip) {
kbd_ite = ip;
kbdenable(0); /* XXX */
}
iteinit(ip);
return(0);
}
void
iteinit(ip)
struct ite_data *ip;
{
if (ip->flags & ITE_INITED)
return;
ip->curx = 0;
ip->cury = 0;
ip->cursorx = 0;
ip->cursory = 0;
(*ip->isw->ite_init)(ip);
ip->flags |= ITE_CURSORON;
ite_drawcursor(ip, ip->isw);
ip->attribute = 0;
if (ip->attrbuf == NULL)
ip->attrbuf = (u_char *)
malloc(ip->rows * ip->cols, M_DEVBUF, M_WAITOK);
bzero(ip->attrbuf, (ip->rows * ip->cols));
ip->imode = 0;
ip->flags |= ITE_INITED;
}
/*
* "Shut down" device as terminal emulator.
* Note that we do not deinit the console device unless forced.
* Deinit'ing the console every time leads to a very active
* screen when processing /etc/rc.
*/
void
iteoff(ip, flag)
struct ite_data *ip;
int flag;
{
if (flag & 2) {
ip->flags |= ITE_INGRF;
ip->flags &= ~ITE_CURSORON;
}
if ((ip->flags & ITE_ACTIVE) == 0)
return;
if ((flag & 1) ||
(ip->flags & (ITE_INGRF|ITE_ISCONS|ITE_INITED)) == ITE_INITED)
(*ip->isw->ite_deinit)(ip);
/*
* XXX When the system is rebooted with "reboot", init(8)
* kills the last process to have the console open.
* If we don't revent the the ITE_ACTIVE bit from being
* cleared, we will never see messages printed during
* the process of rebooting.
*/
if ((flag & 2) == 0 && (ip->flags & ITE_ISCONS) == 0)
ip->flags &= ~ITE_ACTIVE;
}
/* ARGSUSED */
int
iteopen(dev, mode, devtype, p)
dev_t dev;
int mode, devtype;
struct proc *p;
{
int unit = ITEUNIT(dev);
struct tty *tp;
struct ite_softc *sc;
struct ite_data *ip;
int error;
int first = 0;
if (unit >= ite_cd.cd_ndevs ||
(sc = ite_cd.cd_devs[unit]) == NULL)
return (ENXIO);
ip = sc->sc_data;
if (ip->tty == NULL) {
tp = ip->tty = ttymalloc();
tty_attach(tp);
} else
tp = ip->tty;
if ((tp->t_state&(TS_ISOPEN|TS_XCLUDE)) == (TS_ISOPEN|TS_XCLUDE)
&& p->p_ucred->cr_uid != 0)
return (EBUSY);
if ((ip->flags & ITE_ACTIVE) == 0) {
error = iteon(ip, 0);
if (error)
return (error);
first = 1;
}
tp->t_oproc = itestart;
tp->t_param = NULL;
tp->t_dev = dev;
if ((tp->t_state&TS_ISOPEN) == 0) {
ttychars(tp);
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_cflag = CS8|CREAD;
tp->t_lflag = TTYDEF_LFLAG;
tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
tp->t_state = TS_ISOPEN|TS_CARR_ON;
ttsetwater(tp);
}
error = (*linesw[tp->t_line].l_open)(dev, tp);
if (error == 0) {
tp->t_winsize.ws_row = ip->rows;
tp->t_winsize.ws_col = ip->cols;
} else if (first)
iteoff(ip, 0);
return (error);
}
/*ARGSUSED*/
int
iteclose(dev, flag, mode, p)
dev_t dev;
int flag, mode;
struct proc *p;
{
struct ite_softc *sc = ite_cd.cd_devs[ITEUNIT(dev)];
struct ite_data *ip = sc->sc_data;
struct tty *tp = ip->tty;
(*linesw[tp->t_line].l_close)(tp, flag);
ttyclose(tp);
iteoff(ip, 0);
#if 0
tty_detach(tp);
ttyfree(tp);
ip->tty = (struct tty *)0;
#endif
return(0);
}
int
iteread(dev, uio, flag)
dev_t dev;
struct uio *uio;
int flag;
{
struct ite_softc *sc = ite_cd.cd_devs[ITEUNIT(dev)];
struct tty *tp = sc->sc_data->tty;
return ((*linesw[tp->t_line].l_read)(tp, uio, flag));
}
int
itewrite(dev, uio, flag)
dev_t dev;
struct uio *uio;
int flag;
{
struct ite_softc *sc = ite_cd.cd_devs[ITEUNIT(dev)];
struct tty *tp = sc->sc_data->tty;
return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
}
struct tty *
itetty(dev)
dev_t dev;
{
struct ite_softc *sc = ite_cd.cd_devs[ITEUNIT(dev)];
return (sc->sc_data->tty);
}
int
iteioctl(dev, cmd, addr, flag, p)
dev_t dev;
int cmd;
caddr_t addr;
int flag;
struct proc *p;
{
struct ite_softc *sc = ite_cd.cd_devs[ITEUNIT(dev)];
struct ite_data *ip = sc->sc_data;
struct tty *tp = ip->tty;
int error;
error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, addr, flag, p);
if (error >= 0)
return (error);
error = ttioctl(tp, cmd, addr, flag, p);
if (error >= 0)
return (error);
return (ENOTTY);
}
void
itestart(tp)
register struct tty *tp;
{
register int cc, s;
int hiwat = 0, hadcursor = 0;
struct ite_softc *sc;
struct ite_data *ip;
sc = ite_cd.cd_devs[ITEUNIT(tp->t_dev)];
ip = sc->sc_data;
s = splkbd();
if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP)) {
splx(s);
return;
}
tp->t_state |= TS_BUSY;
cc = tp->t_outq.c_cc;
if (cc <= tp->t_lowat) {
if (tp->t_state & TS_ASLEEP) {
tp->t_state &= ~TS_ASLEEP;
wakeup((caddr_t)&tp->t_outq);
}
selwakeup(&tp->t_wsel);
}
/*
* Handle common (?) case
*/
if (cc == 1) {
iteputchar(getc(&tp->t_outq), ip);
} else if (cc) {
/*
* Limit the amount of output we do in one burst
* to prevent hogging the CPU.
*/
if (cc > iteburst) {
hiwat++;
cc = iteburst;
}
/*
* Turn off cursor while we output multiple characters.
* Saves a lot of expensive window move operations.
*/
if (ip->flags & ITE_CURSORON) {
ite_erasecursor(ip, ip->isw);
ip->flags &= ~ITE_CURSORON;
hadcursor = 1;
}
while (--cc >= 0)
iteputchar(getc(&tp->t_outq), ip);
if (hadcursor) {
ip->flags |= ITE_CURSORON;
ite_drawcursor(ip, ip->isw);
}
if (hiwat) {
tp->t_state |= TS_TIMEOUT;
timeout(ttrstrt, tp, 1);
}
}
tp->t_state &= ~TS_BUSY;
splx(s);
}
void
itestop(tp, flag)
struct tty *tp;
int flag;
{
}
void
itefilter(stat, c)
char stat, c;
{
static int capsmode = 0;
static int metamode = 0;
register char code, *str;
struct tty *kbd_tty = kbd_ite->tty;
if (kbd_tty == NULL)
return;
switch (c & 0xFF) {
case KBD_CAPSLOCK:
capsmode = !capsmode;
return;
case KBD_EXT_LEFT_DOWN:
case KBD_EXT_RIGHT_DOWN:
metamode = 1;
return;
case KBD_EXT_LEFT_UP:
case KBD_EXT_RIGHT_UP:
metamode = 0;
return;
}
c &= KBD_CHARMASK;
switch ((stat>>KBD_SSHIFT) & KBD_SMASK) {
case KBD_KEY:
if (!capsmode) {
code = kbd_keymap[c];
break;
}
/* FALLTHROUGH */
case KBD_SHIFT:
code = kbd_shiftmap[c];
break;
case KBD_CTRL:
code = kbd_ctrlmap[c];
break;
case KBD_CTRLSHIFT:
code = kbd_ctrlshiftmap[c];
break;
}
if (code == NULL && (str = kbd_stringmap[c]) != NULL) {
while (*str)
(*linesw[kbd_tty->t_line].l_rint)(*str++, kbd_tty);
} else {
if (metamode)
code |= 0x80;
(*linesw[kbd_tty->t_line].l_rint)(code, kbd_tty);
}
}
void
iteputchar(c, ip)
int c;
struct ite_data *ip;
{
struct itesw *sp = ip->isw;
int n;
if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
return;
if (ip->escape) {
doesc:
switch (ip->escape) {
case '&': /* Next can be a,d, or s */
if (ip->fpd++) {
ip->escape = c;
ip->fpd = 0;
}
return;
case 'a': /* cursor change */
switch (c) {
case 'Y': /* Only y coord. */
ip->cury = min(ip->pos, ip->rows-1);
ip->pos = 0;
ip->escape = 0;
ite_movecursor(ip, sp);
clr_attr(ip, ATTR_INV);
break;
case 'y': /* y coord first */
ip->cury = min(ip->pos, ip->rows-1);
ip->pos = 0;
ip->fpd = 0;
break;
case 'C': /* x coord */
ip->curx = min(ip->pos, ip->cols-1);
ip->pos = 0;
ip->escape = 0;
ite_movecursor(ip, sp);
clr_attr(ip, ATTR_INV);
break;
default: /* Possibly a 3 digit number. */
if (c >= '0' && c <= '9' && ip->fpd < 3) {
ip->pos = ip->pos * 10 + (c - '0');
ip->fpd++;
} else {
ip->pos = 0;
ip->escape = 0;
}
break;
}
return;
case 'd': /* attribute change */
switch (c) {
case 'B':
set_attr(ip, ATTR_INV);
break;
case 'D':
/* XXX: we don't do anything for underline */
set_attr(ip, ATTR_UL);
break;
case '@':
clr_attr(ip, ATTR_ALL);
break;
}
ip->escape = 0;
return;
case 's': /* keypad control */
switch (ip->fpd) {
case 0:
ip->hold = c;
ip->fpd++;
return;
case 1:
if (c == 'A') {
switch (ip->hold) {
case '0':
clr_attr(ip, ATTR_KPAD);
break;
case '1':
set_attr(ip, ATTR_KPAD);
break;
}
}
ip->hold = 0;
}
ip->escape = 0;
return;
case 'i': /* back tab */
if (ip->curx > TABSIZE) {
n = ip->curx - (ip->curx & (TABSIZE - 1));
ip->curx -= n;
} else
ip->curx = 0;
ite_movecursor(ip, sp);
ip->escape = 0;
return;
case '3': /* clear all tabs */
goto ignore;
case 'K': /* clear_eol */
ite_clrtoeol(ip, sp, ip->cury, ip->curx);
ip->escape = 0;
return;
case 'J': /* clear_eos */
ite_clrtoeos(ip, sp);
ip->escape = 0;
return;
case 'B': /* cursor down 1 line */
if (++ip->cury == ip->rows) {
--ip->cury;
ite_erasecursor(ip, sp);
(*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP);
ite_clrtoeol(ip, sp, ip->cury, 0);
}
else
ite_movecursor(ip, sp);
clr_attr(ip, ATTR_INV);
ip->escape = 0;
return;
case 'C': /* cursor forward 1 char */
ip->escape = 0;
itecheckwrap(ip, sp);
return;
case 'A': /* cursor up 1 line */
if (ip->cury > 0) {
ip->cury--;
ite_movecursor(ip, sp);
}
ip->escape = 0;
clr_attr(ip, ATTR_INV);
return;
case 'P': /* delete character */
ite_dchar(ip, sp);
ip->escape = 0;
return;
case 'M': /* delete line */
ite_dline(ip, sp);
ip->escape = 0;
return;
case 'Q': /* enter insert mode */
ip->imode = 1;
ip->escape = 0;
return;
case 'R': /* exit insert mode */
ip->imode = 0;
ip->escape = 0;
return;
case 'L': /* insert blank line */
ite_iline(ip, sp);
ip->escape = 0;
return;
case 'h': /* home key */
ip->cury = ip->curx = 0;
ite_movecursor(ip, sp);
ip->escape = 0;
return;
case 'D': /* left arrow key */
if (ip->curx > 0) {
ip->curx--;
ite_movecursor(ip, sp);
}
ip->escape = 0;
return;
case '1': /* set tab in all rows */
goto ignore;
case ESC:
if ((ip->escape = c) == ESC)
break;
ip->fpd = 0;
goto doesc;
default:
ignore:
ip->escape = 0;
return;
}
}
switch (c &= 0x7F) {
case '\n':
if (++ip->cury == ip->rows) {
--ip->cury;
ite_erasecursor(ip, sp);
(*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP);
ite_clrtoeol(ip, sp, ip->cury, 0);
} else
ite_movecursor(ip, sp);
clr_attr(ip, ATTR_INV);
break;
case '\r':
if (ip->curx) {
ip->curx = 0;
ite_movecursor(ip, sp);
}
break;
case '\b':
if (--ip->curx < 0)
ip->curx = 0;
else
ite_movecursor(ip, sp);
break;
case '\t':
if (ip->curx < TABEND(ip)) {
n = TABSIZE - (ip->curx & (TABSIZE - 1));
ip->curx += n;
ite_movecursor(ip, sp);
} else
itecheckwrap(ip, sp);
break;
case CTRL('G'):
if (ip == kbd_ite)
kbdbell(0); /* XXX */
break;
case ESC:
ip->escape = ESC;
break;
default:
if (c < ' ' || c == DEL)
break;
if (ip->imode)
ite_ichar(ip, sp);
if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
attrset(ip, ATTR_INV);
(*sp->ite_putc)(ip, c, ip->cury, ip->curx, ATTR_INV);
} else
(*sp->ite_putc)(ip, c, ip->cury, ip->curx, ATTR_NOR);
ite_drawcursor(ip, sp);
itecheckwrap(ip, sp);
break;
}
}
void
itecheckwrap(ip, sp)
struct ite_data *ip;
struct itesw *sp;
{
if (++ip->curx == ip->cols) {
ip->curx = 0;
clr_attr(ip, ATTR_INV);
if (++ip->cury == ip->rows) {
--ip->cury;
ite_erasecursor(ip, sp);
(*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP);
ite_clrtoeol(ip, sp, ip->cury, 0);
return;
}
}
ite_movecursor(ip, sp);
}
void
ite_dchar(ip, sp)
struct ite_data *ip;
struct itesw *sp;
{
if (ip->curx < ip->cols - 1) {
ite_erasecursor(ip, sp);
(*sp->ite_scroll)(ip, ip->cury, ip->curx + 1, 1, SCROLL_LEFT);
attrmov(ip, ip->cury, ip->curx + 1, ip->cury, ip->curx,
1, ip->cols - ip->curx - 1);
}
attrclr(ip, ip->cury, ip->cols - 1, 1, 1);
(*sp->ite_putc)(ip, ' ', ip->cury, ip->cols - 1, ATTR_NOR);
ite_drawcursor(ip, sp);
}
void
ite_ichar(ip, sp)
struct ite_data *ip;
struct itesw *sp;
{
if (ip->curx < ip->cols - 1) {
ite_erasecursor(ip, sp);
(*sp->ite_scroll)(ip, ip->cury, ip->curx, 1, SCROLL_RIGHT);
attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + 1,
1, ip->cols - ip->curx - 1);
}
attrclr(ip, ip->cury, ip->curx, 1, 1);
(*sp->ite_putc)(ip, ' ', ip->cury, ip->curx, ATTR_NOR);
ite_drawcursor(ip, sp);
}
void
ite_dline(ip, sp)
struct ite_data *ip;
struct itesw *sp;
{
if (ip->cury < ip->rows - 1) {
ite_erasecursor(ip, sp);
(*sp->ite_scroll)(ip, ip->cury + 1, 0, 1, SCROLL_UP);
attrmov(ip, ip->cury + 1, 0, ip->cury, 0,
ip->rows - ip->cury - 1, ip->cols);
}
ite_clrtoeol(ip, sp, ip->rows - 1, 0);
}
void
ite_iline(ip, sp)
struct ite_data *ip;
struct itesw *sp;
{
if (ip->cury < ip->rows - 1) {
ite_erasecursor(ip, sp);
(*sp->ite_scroll)(ip, ip->cury, 0, 1, SCROLL_DOWN);
attrmov(ip, ip->cury, 0, ip->cury + 1, 0,
ip->rows - ip->cury - 1, ip->cols);
}
ite_clrtoeol(ip, sp, ip->cury, 0);
}
void
ite_clrtoeol(ip, sp, y, x)
struct ite_data *ip;
struct itesw *sp;
int y, x;
{
(*sp->ite_clear)(ip, y, x, 1, ip->cols - x);
attrclr(ip, y, x, 1, ip->cols - x);
ite_drawcursor(ip, sp);
}
void
ite_clrtoeos(ip, sp)
struct ite_data *ip;
struct itesw *sp;
{
(*sp->ite_clear)(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
ite_drawcursor(ip, sp);
}
int
ite_major()
{
static int itemaj, initialized;
/* Only compute once. */
if (initialized)
return (itemaj);
initialized = 1;
/* locate the major number */
for (itemaj = 0; itemaj < nchrdev; itemaj++)
if (cdevsw[itemaj].d_open == iteopen)
return (itemaj);
}
/*
* Console functions. Console probes are done by the individual
* framebuffer drivers.
*/
void
itecninit(gp, isw)
struct grf_data *gp;
struct itesw *isw;
{
extern void kbdcninit __P((void)); /* XXX */
struct ite_data *ip = &ite_cn;
/*
* Set up required ite data and initialize ite.
*/
ip->isw = isw;
ip->grf = gp;
ip->flags = ITE_ALIVE|ITE_CONSOLE|ITE_ACTIVE|ITE_ISCONS;
ip->attrbuf = ite_console_attributes;
iteinit(ip);
/*
* Initialize the console keyboard.
*/
kbdcninit();
kbd_ite = ip; /* XXX */
}
/*ARGSUSED*/
int
itecngetc(dev)
dev_t dev;
{
register int c;
int stat;
c = kbdgetc(&stat);
switch ((stat >> KBD_SSHIFT) & KBD_SMASK) {
case KBD_SHIFT:
c = kbd_cn_shiftmap[c & KBD_CHARMASK];
break;
case KBD_CTRL:
c = kbd_cn_ctrlmap[c & KBD_CHARMASK];
break;
case KBD_KEY:
c = kbd_cn_keymap[c & KBD_CHARMASK];
break;
default:
c = 0;
break;
}
return(c);
}
/* ARGSUSED */
void
itecnputc(dev, c)
dev_t dev;
int c;
{
static int paniced = 0;
struct ite_data *ip = &ite_cn;
if (panicstr && !paniced &&
(ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) {
(void) iteon(ip, 3);
paniced = 1;
}
iteputchar(c, ip);
}
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