1 /* $NetBSD: cons.h,v 1.5 2004/03/21 15:07:00 pk Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Eduardo E. Horvath 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 /* 32 * PROM console driver. 33 * 34 * This is the default fallback console driver if nothing else attaches. 35 */ 36 37 struct pconssoftc { 38 struct device of_dev; 39 struct tty *of_tty; 40 struct callout sc_poll_ch; 41 int of_flags; 42 }; 43 /* flags: */ 44 #define OFPOLL 1 45 46 #define OFBURSTLEN 128 /* max number of bytes to write in one chunk */ 47 48 void pcons_cnpollc __P((dev_t dev, int on)); 49 50 struct consdev; 51 struct zs_chanstate; 52 53 extern void *zs_conschan; 54 55 extern void nullcnprobe __P((struct consdev *)); 56 57 extern int zs_getc __P((void *arg)); 58 extern void zs_putc __P((void *arg, int c)); 59 60 struct zschan * 61 zs_get_chan_addr __P((int zsc_unit, int channel)); 62 63 #ifdef KGDB 64 void zs_kgdb_init __P((void)); 65 void zskgdb __P((struct zs_chanstate *)); 66 #endif 67 68 /* 69 * PROM I/O nodes and arguments are prepared by consinit(). 70 * Drivers can examine these when looking for a console device match. 71 */ 72 extern int prom_stdin_node; 73 extern int prom_stdout_node; 74 extern char prom_stdin_args[]; /* not used on sun4u */ 75 extern char prom_stdout_args[]; /* not used on sun4u */ 76 77