/* $NetBSD: rcons.c,v 1.4 1995/09/11 21:29:26 jonathan 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 #if NRCONS > 0 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * 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... */ struct vnode *cn_in_devvp; /* vnode for underlying input device. */ dev_t cn_in_dev = NODEV; /* console input device. */ char rcons_maxcols [20]; /* rcons_connect is called by fbconnect when the first frame buffer is attached. That frame buffer will always be the console frame buffer. */ rcons_connect (info) struct fbinfo *info; { static struct fbdevice fb; static int row, col; /* If we're running a serial console, don't set up a raster console even if there's a device that can support it. */ if (cn_tab -> cn_pri == CN_REMOTE) return; 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... */ fb.fb_devinfo = info; /* Initialize the state information. */ fb.fb_bits = 0; fb.fb_ringing = 0; fb.fb_belldepth = 0; fb.fb_scroll = 0; fb.fb_p0 = 0; fb.fb_p1 = 0; fb.fb_row = &row; fb.fb_col = &col; #define HW_FONT_WIDTH 8 #define HW_FONT_HEIGHT 15 sprintf (rcons_maxcols, "%d", fb.fb_type.fb_height / HW_FONT_HEIGHT); row = (fb.fb_type.fb_height / HW_FONT_HEIGHT) - 1; col = 0; rcons_init (&fb); fb.fb_xorigin = 0; fb.fb_yorigin = 0; } /* ARGSUSED */ rconsattach (n) int n; { register struct tty *tp = &rcons_tty [0]; int status; /* 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 */ 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; 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 */ rconsclose(dev, flag, mode, p) dev_t dev; int flag, mode; struct proc *p; { register struct tty *tp = &rcons_tty [0]; struct vnode *vp; (*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)); } struct tty * rconstty(dev) dev_t dev; { register struct tty *tp = &rcons_tty [0]; return (tp); } 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; { } /* Called by real input device when there is input for rcons. Passes input through line discpline interrupt routine... */ rcons_input (dev, ic) dev_t dev; int ic; { struct tty *tp; int unit = minor (dev); if (unit > NRCONS) return; tp = &rcons_tty [unit]; if (!(tp -> t_state & TS_ISOPEN)) { return; } (*linesw [tp -> t_line].l_rint)(ic, tp); } #endif /* NRCONS > 0 */