biconsdev.c revision 1.1.2.2
1 1.1.2.2 bouyer /* $NetBSD: biconsdev.c,v 1.1.2.2 2001/02/11 19:15:21 bouyer Exp $ */ 2 1.1.2.2 bouyer 3 1.1.2.2 bouyer /*- 4 1.1.2.2 bouyer * Copyright (c) 1999-2001 5 1.1.2.2 bouyer * Shin Takemura and PocketBSD Project. All rights reserved. 6 1.1.2.2 bouyer * 7 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 9 1.1.2.2 bouyer * are met: 10 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 15 1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 16 1.1.2.2 bouyer * must display the following acknowledgement: 17 1.1.2.2 bouyer * This product includes software developed by the PocketBSD project 18 1.1.2.2 bouyer * and its contributors. 19 1.1.2.2 bouyer * 4. Neither the name of the project nor the names of its contributors 20 1.1.2.2 bouyer * may be used to endorse or promote products derived from this software 21 1.1.2.2 bouyer * without specific prior written permission. 22 1.1.2.2 bouyer * 23 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 1.1.2.2 bouyer * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 1.1.2.2 bouyer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 1.1.2.2 bouyer * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 1.1.2.2 bouyer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 1.1.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 1.1.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 1.1.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 1.1.2.2 bouyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 1.1.2.2 bouyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 1.1.2.2 bouyer * SUCH DAMAGE. 34 1.1.2.2 bouyer * 35 1.1.2.2 bouyer */ 36 1.1.2.2 bouyer /* 37 1.1.2.2 bouyer * Copyright (c) 1995 38 1.1.2.2 bouyer * The Regents of the University of California. All rights reserved. 39 1.1.2.2 bouyer * 40 1.1.2.2 bouyer * This code is derived from software contributed to Berkeley by 41 1.1.2.2 bouyer * Ted Lemon. 42 1.1.2.2 bouyer * 43 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 44 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 45 1.1.2.2 bouyer * are met: 46 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 47 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 48 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 49 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 50 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 51 1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 52 1.1.2.2 bouyer * must display the following acknowledgement: 53 1.1.2.2 bouyer * This product includes software developed by the University of 54 1.1.2.2 bouyer * California, Berkeley and its contributors. 55 1.1.2.2 bouyer * 4. Neither the name of the University nor the names of its contributors 56 1.1.2.2 bouyer * may be used to endorse or promote products derived from this software 57 1.1.2.2 bouyer * without specific prior written permission. 58 1.1.2.2 bouyer * 59 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 60 1.1.2.2 bouyer * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 1.1.2.2 bouyer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 1.1.2.2 bouyer * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 63 1.1.2.2 bouyer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 1.1.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 1.1.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 1.1.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 1.1.2.2 bouyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 1.1.2.2 bouyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 1.1.2.2 bouyer * SUCH DAMAGE. 70 1.1.2.2 bouyer * 71 1.1.2.2 bouyer */ 72 1.1.2.2 bouyer 73 1.1.2.2 bouyer #include "biconsdev.h" 74 1.1.2.2 bouyer #if NBICONSDEV > 0 75 1.1.2.2 bouyer 76 1.1.2.2 bouyer #include <sys/param.h> 77 1.1.2.2 bouyer #include <sys/proc.h> 78 1.1.2.2 bouyer #include <sys/systm.h> 79 1.1.2.2 bouyer #include <sys/buf.h> 80 1.1.2.2 bouyer #include <sys/ioctl.h> 81 1.1.2.2 bouyer #include <sys/tty.h> 82 1.1.2.2 bouyer #include <sys/conf.h> 83 1.1.2.2 bouyer 84 1.1.2.2 bouyer #include <dev/cons.h> 85 1.1.2.2 bouyer #include <dev/hpc/bicons.h> 86 1.1.2.2 bouyer #include <dev/hpc/biconsvar.h> 87 1.1.2.2 bouyer 88 1.1.2.2 bouyer struct tty biconsdev_tty[NBICONSDEV]; 89 1.1.2.2 bouyer void biconsdevattach(int); 90 1.1.2.2 bouyer static void biconsdev_output(struct tty *); 91 1.1.2.2 bouyer 92 1.1.2.2 bouyer cdev_decl(biconsdev); 93 1.1.2.2 bouyer 94 1.1.2.2 bouyer void 95 1.1.2.2 bouyer biconsdevattach(int n) 96 1.1.2.2 bouyer { 97 1.1.2.2 bouyer struct tty *tp = &biconsdev_tty[0]; 98 1.1.2.2 bouyer int maj; 99 1.1.2.2 bouyer 100 1.1.2.2 bouyer /* locate the major number */ 101 1.1.2.2 bouyer for (maj = 0; maj < nchrdev; maj++) 102 1.1.2.2 bouyer if (cdevsw[maj].d_open == biconsdevopen) 103 1.1.2.2 bouyer break; 104 1.1.2.2 bouyer 105 1.1.2.2 bouyer /* Set up the tty queues now... */ 106 1.1.2.2 bouyer clalloc(&tp->t_rawq, 1024, 1); 107 1.1.2.2 bouyer clalloc(&tp->t_canq, 1024, 1); 108 1.1.2.2 bouyer /* output queue doesn't need quoting */ 109 1.1.2.2 bouyer clalloc(&tp->t_outq, 1024, 0); 110 1.1.2.2 bouyer /* Set default line discipline. */ 111 1.1.2.2 bouyer tp->t_linesw = linesw[0]; 112 1.1.2.2 bouyer 113 1.1.2.2 bouyer 114 1.1.2.2 bouyer tp->t_dev = makedev(maj, 0); 115 1.1.2.2 bouyer tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 116 1.1.2.2 bouyer tp->t_param = (int (*)(struct tty *, struct termios *))nullop; 117 1.1.2.2 bouyer tp->t_winsize.ws_row = bicons_height; 118 1.1.2.2 bouyer tp->t_winsize.ws_col = bicons_width; 119 1.1.2.2 bouyer tp->t_winsize.ws_xpixel = bicons_xpixel; 120 1.1.2.2 bouyer tp->t_winsize.ws_ypixel = bicons_ypixel; 121 1.1.2.2 bouyer tp->t_oproc = biconsdev_output; 122 1.1.2.2 bouyer } 123 1.1.2.2 bouyer 124 1.1.2.2 bouyer 125 1.1.2.2 bouyer static void 126 1.1.2.2 bouyer biconsdev_output(struct tty *tp) 127 1.1.2.2 bouyer { 128 1.1.2.2 bouyer int s, n; 129 1.1.2.2 bouyer char buf[OBUFSIZ]; 130 1.1.2.2 bouyer 131 1.1.2.2 bouyer s = spltty(); 132 1.1.2.2 bouyer if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) { 133 1.1.2.2 bouyer splx(s); 134 1.1.2.2 bouyer return; 135 1.1.2.2 bouyer } 136 1.1.2.2 bouyer tp->t_state |= TS_BUSY; 137 1.1.2.2 bouyer splx(s); 138 1.1.2.2 bouyer n = q_to_b(&tp->t_outq, buf, sizeof(buf)); 139 1.1.2.2 bouyer bicons_putn(buf, n); 140 1.1.2.2 bouyer 141 1.1.2.2 bouyer s = spltty(); 142 1.1.2.2 bouyer tp->t_state &= ~TS_BUSY; 143 1.1.2.2 bouyer /* Come back if there's more to do */ 144 1.1.2.2 bouyer if (tp->t_outq.c_cc) { 145 1.1.2.2 bouyer tp->t_state |= TS_TIMEOUT; 146 1.1.2.2 bouyer callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp); 147 1.1.2.2 bouyer } 148 1.1.2.2 bouyer if (tp->t_outq.c_cc <= tp->t_lowat) { 149 1.1.2.2 bouyer if (tp->t_state&TS_ASLEEP) { 150 1.1.2.2 bouyer tp->t_state &= ~TS_ASLEEP; 151 1.1.2.2 bouyer wakeup((caddr_t)&tp->t_outq); 152 1.1.2.2 bouyer } 153 1.1.2.2 bouyer selwakeup(&tp->t_wsel); 154 1.1.2.2 bouyer } 155 1.1.2.2 bouyer splx(s); 156 1.1.2.2 bouyer } 157 1.1.2.2 bouyer 158 1.1.2.2 bouyer 159 1.1.2.2 bouyer int 160 1.1.2.2 bouyer biconsdevopen(dev_t dev, int flag, int mode, struct proc *p) 161 1.1.2.2 bouyer { 162 1.1.2.2 bouyer struct tty *tp = &biconsdev_tty[0]; 163 1.1.2.2 bouyer int status; 164 1.1.2.2 bouyer 165 1.1.2.2 bouyer if ((tp->t_state & TS_ISOPEN) == 0) { 166 1.1.2.2 bouyer /* 167 1.1.2.2 bouyer * Leave baud rate alone! 168 1.1.2.2 bouyer */ 169 1.1.2.2 bouyer ttychars(tp); 170 1.1.2.2 bouyer tp->t_iflag = TTYDEF_IFLAG; 171 1.1.2.2 bouyer tp->t_oflag = TTYDEF_OFLAG; 172 1.1.2.2 bouyer tp->t_lflag = TTYDEF_LFLAG; 173 1.1.2.2 bouyer tp->t_cflag = TTYDEF_CFLAG; 174 1.1.2.2 bouyer tp->t_state = TS_ISOPEN | TS_CARR_ON; 175 1.1.2.2 bouyer (void)(*tp->t_param)(tp, &tp->t_termios); 176 1.1.2.2 bouyer ttsetwater(tp); 177 1.1.2.2 bouyer } else if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) 178 1.1.2.2 bouyer return (EBUSY); 179 1.1.2.2 bouyer 180 1.1.2.2 bouyer status = (*tp->t_linesw->l_open)(dev, tp); 181 1.1.2.2 bouyer return status; 182 1.1.2.2 bouyer } 183 1.1.2.2 bouyer 184 1.1.2.2 bouyer 185 1.1.2.2 bouyer int 186 1.1.2.2 bouyer biconsdevclose(dev_t dev, int flag, int mode, struct proc *p) 187 1.1.2.2 bouyer { 188 1.1.2.2 bouyer struct tty *tp = &biconsdev_tty[0]; 189 1.1.2.2 bouyer 190 1.1.2.2 bouyer (*tp->t_linesw->l_close)(tp, flag); 191 1.1.2.2 bouyer ttyclose(tp); 192 1.1.2.2 bouyer 193 1.1.2.2 bouyer return (0); 194 1.1.2.2 bouyer } 195 1.1.2.2 bouyer 196 1.1.2.2 bouyer 197 1.1.2.2 bouyer int 198 1.1.2.2 bouyer biconsdevread(dev_t dev, struct uio *uio, int flag) 199 1.1.2.2 bouyer { 200 1.1.2.2 bouyer struct tty *tp = &biconsdev_tty[0]; 201 1.1.2.2 bouyer 202 1.1.2.2 bouyer return ((*tp->t_linesw->l_read)(tp, uio, flag)); 203 1.1.2.2 bouyer } 204 1.1.2.2 bouyer 205 1.1.2.2 bouyer 206 1.1.2.2 bouyer int 207 1.1.2.2 bouyer biconsdevwrite(dev_t dev, struct uio *uio, int flag) 208 1.1.2.2 bouyer { 209 1.1.2.2 bouyer struct tty *tp = &biconsdev_tty[0]; 210 1.1.2.2 bouyer 211 1.1.2.2 bouyer return ((*tp->t_linesw->l_write)(tp, uio, flag)); 212 1.1.2.2 bouyer } 213 1.1.2.2 bouyer 214 1.1.2.2 bouyer 215 1.1.2.2 bouyer struct tty * 216 1.1.2.2 bouyer biconsdevtty(dev_t dev) 217 1.1.2.2 bouyer { 218 1.1.2.2 bouyer struct tty *tp = &biconsdev_tty[0]; 219 1.1.2.2 bouyer 220 1.1.2.2 bouyer return (tp); 221 1.1.2.2 bouyer } 222 1.1.2.2 bouyer 223 1.1.2.2 bouyer int 224 1.1.2.2 bouyer biconsdevioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 225 1.1.2.2 bouyer { 226 1.1.2.2 bouyer struct tty *tp = &biconsdev_tty[0]; 227 1.1.2.2 bouyer int error; 228 1.1.2.2 bouyer 229 1.1.2.2 bouyer if ((error = tp->t_linesw->l_ioctl(tp, cmd, data, flag, p)) >= 0) 230 1.1.2.2 bouyer return (error); 231 1.1.2.2 bouyer if ((error = ttioctl(tp, cmd, data, flag, p)) >= 0) 232 1.1.2.2 bouyer return (error); 233 1.1.2.2 bouyer return (ENOTTY); 234 1.1.2.2 bouyer } 235 1.1.2.2 bouyer 236 1.1.2.2 bouyer void 237 1.1.2.2 bouyer biconsdevstop(struct tty *tp, int rw) 238 1.1.2.2 bouyer { 239 1.1.2.2 bouyer 240 1.1.2.2 bouyer } 241 1.1.2.2 bouyer 242 1.1.2.2 bouyer #endif /* NBICONSDEV > 0 */ 243
Indexes created Mon Sep 29 21:09:56 GMT 2025