NetBSD/sys/arch/pmax/dev/rcons.c

491 lines
11 KiB
C

/* $NetBSD: rcons.c,v 1.38 2000/01/10 03:24:33 simonb Exp $ */
/*
* Copyright (c) 1995
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ted Lemon.
*
* 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.
*
*/
#include "rasterconsole.h"
#if NRASTERCONSOLE > 0
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/systm.h>
#include <sys/tty.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wsfont/wsfont.h>
#include <dev/rasops/rasops.h>
#include <dev/rcons/rcons.h>
#include <machine/fbio.h>
#include <machine/fbvar.h>
#include <machine/conf.h>
#include <pmax/pmax/cons.h>
#include <pmax/dev/lk201var.h>
#include <pmax/dev/rconsvar.h>
#include "fb.h"
#include "px.h"
/*
* Console I/O is redirected to the appropriate device, either a screen and
* keyboard, a serial port, or the "virtual" console.
*/
extern struct tty *constty; /* XXX virtual console output device */
struct tty *fbconstty; /* Frame buffer console tty... */
struct tty rcons_tty [NRASTERCONSOLE]; /* Console tty struct... */
dev_t cn_in_dev = NODEV; /* console input device. */
char rcons_maxcols [20];
static struct rconsole rc;
static void rcons_vputc __P((dev_t dev, int c));
#ifdef notyet
void rconsstart __P((struct tty *));
static void rcons_later __P((void*));
#endif
/*
* rcons_connect is called by fbconnect when the first frame buffer is
* attached. That frame buffer will always be the console frame buffer.
*/
#if NFB > 0
void
rcons_connect (info)
struct fbinfo *info;
{
static struct rasops_info ri;
int cookie;
/* TC mfb has special needs; 8-bits per pel, but monochrome */
if (info->fi_type.fb_boardtype == PMAX_FBTYPE_MFB) {
ri.ri_depth = 8;
ri.ri_flg = RI_CLEAR | RI_FORCEMONO;
} else {
ri.ri_depth = info->fi_type.fb_depth;
ri.ri_flg = RI_CLEAR;
}
ri.ri_width = info->fi_type.fb_width;
ri.ri_height = info->fi_type.fb_height;
ri.ri_stride = info->fi_linebytes;
ri.ri_bits = (u_char *)info->fi_pixels;
wsfont_init();
/* Choose 'Gallant' font if this is an 8-bit display */
if (ri.ri_depth == 8 && (cookie = wsfont_find("Gallant", 0, 0, 0)) > 0)
wsfont_lock(cookie, &ri.ri_font, WSDISPLAY_FONTORDER_L2R,
WSDISPLAY_FONTORDER_L2R);
/* Get operations set and set framebugger colormap */
if (rasops_init(&ri, 5000, 80))
panic("rcons_connect: rasops_init failed");
if (ri.ri_depth == 8 && info->fi_type.fb_boardtype != PMAX_FBTYPE_MFB)
info->fi_driver->fbd_putcmap(info, rasops_cmap, 0, 256);
fbconstty = &rcons_tty [0];
fbconstty->t_dev = makedev(85, 0); /* /dev/console */
fbconstty->t_ispeed = fbconstty->t_ospeed = TTYDEF_SPEED;
fbconstty->t_param = (int (*)(struct tty *, struct termios *))nullop;
/*
* Connect the console geometry...
* the part that rcons.h says
* "This section must be filled in by the framebugger device"
*/
rc.rc_ops = &ri.ri_ops;
rc.rc_cookie = &ri;
rc.rc_maxrow = ri.ri_rows;
rc.rc_maxcol = ri.ri_cols;
rc.rc_bell = lk_bell;
rc.rc_width = ri.ri_width;
rc.rc_height = ri.ri_height;
rc.rc_row = 0;
rc.rc_col = 0;
rc.rc_deffgcolor = WSCOL_WHITE;
rc.rc_defbgcolor = WSCOL_BLACK;
rcons_init(&rc, 1);
}
#endif
/*
* Called by drivers which can provide a native 'struct wsdisplay_emulops'.
*/
#if NPX > 0
void
rcons_connect_native (ops, cookie, width, height, cols, rows)
struct wsdisplay_emulops *ops;
void *cookie;
int width, height, cols, rows;
{
/*XXX*/ cn_in_dev = cn_tab->cn_dev; /*XXX*/ /* FIXME */
fbconstty = &rcons_tty [0];
fbconstty->t_dev = makedev(85, 0); /* /dev/console */
fbconstty->t_ispeed = fbconstty->t_ospeed = TTYDEF_SPEED;
fbconstty->t_param = (int (*)(struct tty *, struct termios *))nullop;
/*
* Connect the console geometry...
* the part that rcons.h says
* "This section must be filled in by the framebugger device"
*/
rc.rc_ops = ops;
rc.rc_cookie = cookie;
rc.rc_bell = lk_bell;
rc.rc_width = width;
rc.rc_height = width;
rc.rc_maxcol = cols;
rc.rc_maxrow = rows;
rc.rc_row = 0;
rc.rc_col = 0;
rc.rc_deffgcolor = WSCOL_WHITE;
rc.rc_defbgcolor = WSCOL_BLACK;
rcons_init(&rc, 1);
}
#endif
/*
* Hack around the rcons putchar interface not taking a dev_t.
*/
static void
rcons_vputc(dev, c)
dev_t dev;
int c;
{
/*
* Call the pointer-to-function that rcons_init tried to give us,
* discarding the dev_t argument.
*/
rcons_cnputc(c);
}
/*
* Set up the console device to take input from `dev'
* and send output via rcons.
*/
void
rcons_indev(cn)
struct consdev *cn;
{
int s;
s = spltty();
/* Send any subsequent console calls to this cn_tab to rcons. */
cn->cn_dev = makedev (RCONSDEV, 0);
/* fixup for signature mismatch. */
cn->cn_putc = rcons_vputc;
splx(s);
}
/*
* Pseudo-device attach routine. rcons doesn't need to be a pseudo
* device, and isn't on a sparc; this is a useful point to set up
* the vnode, clean up pmax console initialization, and set
* the initial tty size.
*/
/* ARGSUSED */
void
rasterconsoleattach (n)
int n;
{
struct tty *tp = &rcons_tty [0];
#ifdef notyet
int status;
#endif
/* Set up the tty queues now... */
clalloc(&tp->t_rawq, 1024, 1);
clalloc(&tp->t_canq, 1024, 1);
/* output queue doesn't need quoting */
clalloc(&tp->t_outq, 1024, 0);
#ifdef DEBUG
printf("rconsattach: %d raster consoles\n", n);
#endif
#ifdef notyet /* ugly console input on pmaxes */
/* Try to set up the input device... */
if (cn_in_dev != NODEV && cn_in_devvp == NULLVP) {
/* try to get a reference on its vnode, but fail silently */
cdevvp(cn_in_dev, &cn_in_devvp);
status = ((*cdevsw[major(cn_in_dev)].d_open)
(cn_in_dev, O_NONBLOCK, S_IFCHR, curproc)); /* XXX */
if (status)
printf ("rconsattach: input device open failed: %d\n",
status);
}
/* Now the input side has been opened cleanly, we can dispense
* with any special-case console input hacks, and point the
* console device at rcons.
*/
#endif
}
/* ARGSUSED */
int
rconsopen(dev, flag, mode, p)
dev_t dev;
int flag, mode;
struct proc *p;
{
struct tty *tp = &rcons_tty [0];
/*static int firstopen = 1;*/
int status;
if ((tp->t_state & TS_ISOPEN) == 0) {
/*
* Leave baud rate alone!
*/
ttychars(tp);
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_lflag = TTYDEF_LFLAG;
tp->t_cflag = TTYDEF_CFLAG;
tp->t_state = TS_ISOPEN | TS_CARR_ON;
(void)(*tp->t_param)(tp, &tp->t_termios);
ttsetwater(tp);
} else if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0)
return (EBUSY);
status = (*linesw[tp->t_line].l_open)(dev, tp);
return status;
}
/* ARGSUSED */
int
rconsclose(dev, flag, mode, p)
dev_t dev;
int flag, mode;
struct proc *p;
{
struct tty *tp = &rcons_tty [0];
(*linesw[tp->t_line].l_close)(tp, flag);
ttyclose(tp);
return (0);
}
/* ARGSUSED */
int
rconsread(dev, uio, flag)
dev_t dev;
struct uio *uio;
int flag;
{
struct tty *tp = &rcons_tty [0];
return ((*linesw[tp->t_line].l_read)(tp, uio, flag));
}
/* ARGSUSED */
int
rconswrite(dev, uio, flag)
dev_t dev;
struct uio *uio;
int flag;
{
struct tty *tp;
tp = &rcons_tty [0];
return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
}
struct tty *
rconstty(dev)
dev_t dev;
{
register struct tty *tp = &rcons_tty [0];
return (tp);
}
int
rconsioctl(dev, cmd, data, flag, p)
dev_t dev;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
struct tty *tp;
int error;
tp = &rcons_tty [0];
if ((error = linesw[tp->t_line].l_ioctl(tp, cmd, data, flag, p)) >= 0)
return (error);
if ((error = ttioctl(tp, cmd, data, flag, p)) >= 0)
return (error);
return (ENOTTY);
}
/* ARGSUSED */
void
rconsstop(tp, rw)
struct tty *tp;
int rw;
{
}
int
rconspoll(dev, events, p)
dev_t dev;
int events;
struct proc *p;
{
return (ttpoll(dev, events, p));
}
/*ARGSUSED*/
int
rconsmmap (dev, off, prot)
dev_t dev;
int off;
int prot;
{
return -1;
}
#ifdef notyet
void
rconsstart(tp)
struct tty *tp;
{
struct clist *cl;
int s;
s = spltty();
if (tp->t_state & (TS_BUSY|TS_TTSTOP|TS_TIMEOUT))
goto out;
cl = &tp->t_outq;
if (cl->c_cc) {
tp->t_state |= TS_BUSY;
if (0 /* hardware prio */) {
/* called at level zero - update screen now. */
(void) spllowersoftclock();
/*kd_putfb(tp);*/
(void) spltty();
tp->t_state &= ~TS_BUSY;
} else {
/* called at interrupt level - do it later */
timeout(rcons_later, (void*)tp, 0);
}
}
if (cl->c_cc <= tp->t_lowat) {
if (tp->t_state & TS_ASLEEP) {
tp->t_state &= ~TS_ASLEEP;
wakeup((caddr_t)cl);
}
selwakeup(&tp->t_wsel);
}
out:
splx(s);
}
/*
* Timeout function to do delayed writes to the screen.
* Called at splsoftclock when requested by rconssstart.
*/
static void
rcons_later(tpaddr)
void *tpaddr;
{
struct tty *tp = tpaddr;
int s;
#if 0
/*XXX*/printf("rcons_later\n");
#endif
s = spltty();
(*(fbconstty->t_oproc)) (tp); /* XXX */
tp->t_state &= ~TS_BUSY;
(*linesw[tp->t_line].l_start)(tp);
splx(s);
}
#endif /* notyet */
/*
* Our "interrupt" routine for input.
* Called by the keyboard device driver at spltty when it has
* input for rcons.
*/
void
rcons_input (dev, ic)
dev_t dev;
int ic;
{
struct tty *tp;
int unit = minor (dev);
#ifdef RCONS_DEBUG
printf("rcons_input: dev %d.%d gives %c\n", major(dev), unit, ic);
#endif
if (unit > NRASTERCONSOLE)
return;
tp = &rcons_tty [unit];
if (!(tp -> t_state & TS_ISOPEN)) {
return;
}
(*linesw [tp -> t_line].l_rint)(ic, tp);
}
#endif /* NRASTERCONSOLE > 0 */