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

/*	$NetBSD: rcons.c,v 1.1 1995/04/11 10:23:32 mellon Exp $	*/

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1992, 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 and Ralph Campbell.
 *
 * 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: cons.c 1.1 90/07/09
 *
 *	@(#)cons.c	8.2 (Berkeley) 1/11/94
 */

#include <sys/param.h>
#include <sys/proc.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/file.h>
#include <sys/conf.h>

#include <pmax/stand/dec_prom.h>

#include <pmax/dev/device.h>
#include <pmax/dev/sccreg.h>
#include <pmax/pmax/kn01.h>
#include <pmax/pmax/kn02.h>
#include <pmax/pmax/kmin.h>
#include <pmax/pmax/maxine.h>
#include <pmax/pmax/kn03.h>
#include <pmax/pmax/asic.h>
#include <pmax/pmax/turbochannel.h>
#include <pmax/pmax/pmaxtype.h>
#include <dev/cons.h>

#include <machine/machConst.h>
#include <machine/pmioctl.h>
#include <pmax/dev/fbreg.h>

#include <sys/device.h>
#include <machine/fbio.h>
#include <sparc/rcons/raster.h>
#include <machine/fbvar.h>

#include <rcons.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;	/* virtual console output device */
struct tty *fbconstty;		/* Frame buffer console tty... */
struct tty rcons_tty [NRCONS];	/* Console tty struct... */
extern struct consdev *cn_tab;	/* Console I/O table... */

void no_blank ()
{
}

cons_fb_init (fp, bpp, linebytes, cmsize)
	struct pmax_fb *fp;
	int bpp, linebytes, cmsize;
{
	static struct fbdevice fb;
	static struct fbdriver fd = { no_blank };
	static struct fbtype ft;
	static int row, col;
	extern int (*v_putc)();

	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;

	ft.fb_height = fp -> fbu -> scrInfo.max_y;
	ft.fb_width = fp -> fbu -> scrInfo.max_x;
	ft.fb_depth = bpp;
	ft.fb_cmsize = cmsize;
	ft.fb_size = fp -> fr_size;

	fb.fb_type = ft;
	fb.fb_pixels = (caddr_t)fp -> fr_addr;
	fb.fb_linebytes = linebytes;
	fb.fb_driver = &fd;
	fb.fb_device = (struct device *)0;
	fb.fb_bits = 0;
	fb.fb_ringing = 0;
	fb.fb_belldepth = 0;
	fb.fb_scroll = 0;
	fb.fb_p0 = 0;
	fb.fb_p1 = 0;

	row = 0; col = 0;
	fb.fb_row = &row;
	fb.fb_col = &col;

	fb.fb_maxrow = 80;
	fb.fb_maxcol = 25;
	rcons_init (&fb);

	cn_tab -> cn_putc = v_putc;
	cn_tab -> cn_dev = makedev (85, 0);
	constty = fbconstty;
printf ("Console should be working...\n");
rcons_puts (&fb, "\033[H\033[JTesting rcons_puts\n", 26);
}

/* ARGSUSED */
rconsattach (n)
	int n;
{
	printf ("rcons%d\n");
}

/* ARGSUSED */
rconsopen(dev, flag, mode, p)
	dev_t dev;
	int flag, mode;
	struct proc *p;
{
	register struct tty *tp = &rcons_tty [0];
 	static int firstopen = 1;

	if(firstopen) {
		clalloc(&tp->t_rawq, 1024, 1);
		clalloc(&tp->t_canq, 1024, 1);
		/* output queue doesn't need quoting */
		clalloc(&tp->t_outq, 1024, 0);
		firstopen = 0;
	}

	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);
	return ((*linesw[tp->t_line].l_open)(dev, tp));
}

/* ARGSUSED */
rconsclose(dev, flag, mode, p)
	dev_t dev;
	int flag, mode;
	struct proc *p;
{
	register struct tty *tp = &rcons_tty [0];

	(*linesw[tp->t_line].l_close)(tp, flag);
	ttyclose(tp);
	return (0);
}

/* ARGSUSED */
rconsread(dev, uio, flag)
	dev_t dev;
	struct uio *uio;
	int flag;
{
	register struct tty *tp = &rcons_tty [0];

	return ((*linesw[tp->t_line].l_read)(tp, uio, flag));
}

/* ARGSUSED */
rconswrite(dev, uio, flag)
	dev_t dev;
	struct uio *uio;
	int flag;
{
	register struct tty *tp;
	
	tp = &rcons_tty [0];
	return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
}

rconsioctl(dev, cmd, data, flag, p)
	dev_t dev;
	u_long cmd;
	caddr_t data;
	int flag;
	struct proc *p;
{
	register 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*/
rconsstop (tp, rw)
	struct tty *tp;
	int rw;
{
}

/*ARGSUSED*/
rconsreset (tp, rw)
	struct tty *tp;
	int rw;
{
}

/*ARGSUSED*/
rconsselect(dev, which, p)
	dev_t dev;
	int which;
	struct proc *p;
{
	return (ttselect(dev, which, p));
}

/*ARGSUSED*/
rconsmmap ()
{
	return 0;
}

rconsstrategy(bp)
	struct buf *bp;
{
}