Raster Console pseudo-device driver
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mellon
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4b8e4e1a20
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ef6295229a
1974
sys/arch/pmax/dev/qvss.h
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1974
sys/arch/pmax/dev/qvss.h
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268
sys/arch/pmax/dev/rcons.c
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268
sys/arch/pmax/dev/rcons.c
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/* $NetBSD: rcons.c,v 1.1 1995/04/11 10:23:32 mellon Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department and Ralph Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah Hdr: cons.c 1.1 90/07/09
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*
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* @(#)cons.c 8.2 (Berkeley) 1/11/94
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*/
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <sys/buf.h>
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#include <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/file.h>
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#include <sys/conf.h>
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#include <pmax/stand/dec_prom.h>
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#include <pmax/dev/device.h>
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#include <pmax/dev/sccreg.h>
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#include <pmax/pmax/kn01.h>
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#include <pmax/pmax/kn02.h>
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#include <pmax/pmax/kmin.h>
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#include <pmax/pmax/maxine.h>
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#include <pmax/pmax/kn03.h>
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#include <pmax/pmax/asic.h>
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#include <pmax/pmax/turbochannel.h>
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#include <pmax/pmax/pmaxtype.h>
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#include <dev/cons.h>
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#include <machine/machConst.h>
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#include <machine/pmioctl.h>
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#include <pmax/dev/fbreg.h>
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#include <sys/device.h>
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#include <machine/fbio.h>
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#include <sparc/rcons/raster.h>
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#include <machine/fbvar.h>
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#include <rcons.h>
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/*
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* Console I/O is redirected to the appropriate device, either a screen and
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* keyboard, a serial port, or the "virtual" console.
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*/
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extern struct tty *constty; /* virtual console output device */
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struct tty *fbconstty; /* Frame buffer console tty... */
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struct tty rcons_tty [NRCONS]; /* Console tty struct... */
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extern struct consdev *cn_tab; /* Console I/O table... */
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void no_blank ()
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{
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}
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cons_fb_init (fp, bpp, linebytes, cmsize)
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struct pmax_fb *fp;
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int bpp, linebytes, cmsize;
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{
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static struct fbdevice fb;
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static struct fbdriver fd = { no_blank };
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static struct fbtype ft;
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static int row, col;
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extern int (*v_putc)();
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fbconstty = &rcons_tty [0];
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fbconstty->t_dev = makedev(85, 0); /* /dev/console */
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fbconstty->t_ispeed = fbconstty->t_ospeed = TTYDEF_SPEED;
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fbconstty->t_param = (int (*)(struct tty *, struct termios *))nullop;
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ft.fb_height = fp -> fbu -> scrInfo.max_y;
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ft.fb_width = fp -> fbu -> scrInfo.max_x;
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ft.fb_depth = bpp;
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ft.fb_cmsize = cmsize;
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ft.fb_size = fp -> fr_size;
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fb.fb_type = ft;
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fb.fb_pixels = (caddr_t)fp -> fr_addr;
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fb.fb_linebytes = linebytes;
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fb.fb_driver = &fd;
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fb.fb_device = (struct device *)0;
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fb.fb_bits = 0;
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fb.fb_ringing = 0;
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fb.fb_belldepth = 0;
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fb.fb_scroll = 0;
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fb.fb_p0 = 0;
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fb.fb_p1 = 0;
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row = 0; col = 0;
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fb.fb_row = &row;
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fb.fb_col = &col;
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fb.fb_maxrow = 80;
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fb.fb_maxcol = 25;
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rcons_init (&fb);
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cn_tab -> cn_putc = v_putc;
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cn_tab -> cn_dev = makedev (85, 0);
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constty = fbconstty;
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printf ("Console should be working...\n");
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rcons_puts (&fb, "\033[H\033[JTesting rcons_puts\n", 26);
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}
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/* ARGSUSED */
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rconsattach (n)
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int n;
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{
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printf ("rcons%d\n");
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}
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/* ARGSUSED */
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rconsopen(dev, flag, mode, p)
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dev_t dev;
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int flag, mode;
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struct proc *p;
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{
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register struct tty *tp = &rcons_tty [0];
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static int firstopen = 1;
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if(firstopen) {
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clalloc(&tp->t_rawq, 1024, 1);
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clalloc(&tp->t_canq, 1024, 1);
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/* output queue doesn't need quoting */
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clalloc(&tp->t_outq, 1024, 0);
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firstopen = 0;
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}
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if ((tp->t_state & TS_ISOPEN) == 0) {
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/*
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* Leave baud rate alone!
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*/
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ttychars(tp);
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tp->t_iflag = TTYDEF_IFLAG;
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tp->t_oflag = TTYDEF_OFLAG;
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tp->t_lflag = TTYDEF_LFLAG;
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tp->t_cflag = TTYDEF_CFLAG;
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tp->t_state = TS_ISOPEN | TS_CARR_ON;
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(void)(*tp->t_param)(tp, &tp->t_termios);
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ttsetwater(tp);
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} else if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0)
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return (EBUSY);
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return ((*linesw[tp->t_line].l_open)(dev, tp));
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}
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/* ARGSUSED */
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rconsclose(dev, flag, mode, p)
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dev_t dev;
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int flag, mode;
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struct proc *p;
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{
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register struct tty *tp = &rcons_tty [0];
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(*linesw[tp->t_line].l_close)(tp, flag);
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ttyclose(tp);
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return (0);
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}
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/* ARGSUSED */
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rconsread(dev, uio, flag)
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dev_t dev;
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struct uio *uio;
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int flag;
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{
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register struct tty *tp = &rcons_tty [0];
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return ((*linesw[tp->t_line].l_read)(tp, uio, flag));
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}
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/* ARGSUSED */
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rconswrite(dev, uio, flag)
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dev_t dev;
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struct uio *uio;
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int flag;
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{
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register struct tty *tp;
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tp = &rcons_tty [0];
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return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
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}
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rconsioctl(dev, cmd, data, flag, p)
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dev_t dev;
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u_long cmd;
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caddr_t data;
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int flag;
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struct proc *p;
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{
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register struct tty *tp;
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int error;
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tp = &rcons_tty [0];
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if ((error = linesw[tp->t_line].l_ioctl(tp, cmd, data, flag, p)) >= 0)
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return (error);
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if ((error = ttioctl(tp, cmd, data, flag, p)) >= 0)
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return (error);
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return (ENOTTY);
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}
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/*ARGSUSED*/
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rconsstop (tp, rw)
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struct tty *tp;
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int rw;
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{
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}
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/*ARGSUSED*/
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rconsreset (tp, rw)
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struct tty *tp;
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int rw;
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{
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}
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/*ARGSUSED*/
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rconsselect(dev, which, p)
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dev_t dev;
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int which;
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struct proc *p;
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{
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return (ttselect(dev, which, p));
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}
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/*ARGSUSED*/
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rconsmmap ()
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{
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return 0;
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}
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rconsstrategy(bp)
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struct buf *bp;
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{
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}
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