1 /* $NetBSD: cons.c,v 1.2 2014/01/11 15:51:02 tsutsui Exp $ */ 2 3 /* 4 * Copyright (c) 1992 OMRON Corporation. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * OMRON Corporation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)cons.c 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1992, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * OMRON Corporation. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)cons.c 8.1 (Berkeley) 6/10/93 71 */ 72 73 #include <sys/param.h> 74 #include <dev/cons.h> 75 #include <luna68k/stand/boot/samachdep.h> 76 77 #define NBMC 1 78 #define NSIO 1 79 #define NROM 0 /* XXX doesn't work with framebuffer/keyboard? */ 80 81 /* XXX - all this could be autoconfig()ed */ 82 83 struct consdev constab[] = { 84 #if NBMC > 0 85 { bmccnprobe, bmccninit, bmccngetc, bmccnputc }, 86 #endif 87 #if NSIO > 0 88 { siocnprobe, siocninit, siocngetc, siocnputc }, 89 #endif 90 #if NROM > 0 91 { romcnprobe, romcninit, romcngetc, romcnputc }, 92 #endif 93 { 0 }, 94 }; 95 /* end XXX */ 96 97 struct tty *constty = 0; /* virtual console output device */ 98 struct consdev *cn_tab; /* physical console device info */ 99 100 void 101 cninit(void) 102 { 103 struct consdev *cp; 104 105 /* 106 * Collect information about all possible consoles 107 * and find the one with highest priority 108 */ 109 for (cp = constab; cp->cn_probe; cp++) { 110 (*cp->cn_probe)(cp); 111 if (cp->cn_pri > CN_DEAD && 112 (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri)) 113 cn_tab = cp; 114 } 115 /* 116 * No console, we can handle it 117 */ 118 if ((cp = cn_tab) == NULL) 119 return; 120 /* 121 * Turn on console 122 */ 123 (*cp->cn_init)(cp); 124 } 125 126 int 127 cngetc(void) 128 { 129 if (cn_tab == NULL) 130 return 0; 131 return (*cn_tab->cn_getc)(cn_tab->cn_dev); 132 } 133 134 void 135 cnputc(int c) 136 { 137 if (cn_tab == NULL) 138 return; 139 if (c) { 140 (*cn_tab->cn_putc)(cn_tab->cn_dev, c); 141 if (c == '\n') 142 (*cn_tab->cn_putc)(cn_tab->cn_dev, '\r'); 143 } 144 } 145