1 /* $NetBSD: cons.h,v 1.3 2005/12/11 12:19:16 christos 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 /* These are shared with the consinit OBP console */ 49 void pcons_cnpollc(dev_t dev, int on); 50 51 struct consdev; 52 struct zs_chanstate; 53 54 extern void *zs_conschan; 55 56 extern void nullcnprobe(struct consdev *); 57 58 extern int zs_getc(void *arg); 59 extern void zs_putc(void *arg, int c); 60 61 #ifdef KGDB 62 void zs_kgdb_init(void); 63 void zskgdb(struct zs_chanstate *); 64 void *zs_find_prom(int); 65 #endif 66 67 /* 68 * PROM I/O nodes and arguments are prepared by consinit(). 69 * Drivers can examine these when looking for a console device match. 70 */ 71 extern int prom_stdin_node; 72 extern int prom_stdout_node; 73 extern char prom_stdin_args[]; 74 extern char prom_stdout_args[]; 75