cons.c revision 1.9
1 /* $NetBSD: cons.c,v 1.9 2008/04/29 15:24:50 tsutsui Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Utah Hdr: cons.c 1.7 92/02/28 36 * 37 * @(#)cons.c 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1988 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 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. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * from: Utah Hdr: cons.c 1.7 92/02/28 75 * 76 * @(#)cons.c 8.1 (Berkeley) 6/10/93 77 */ 78 79 #include <lib/libsa/stand.h> 80 81 #include <machine/cpu.h> 82 83 #include "boot.h" 84 #include "cons.h" 85 86 #ifdef CONS_SERIAL 87 void comcnprobe(struct consdev *); 88 void comcninit(struct consdev *); 89 void comcnputchar(void *, int); 90 int comcngetchar(void *); 91 int comcnscan(void *); 92 # include "ns16550.h" 93 # ifndef COMPORT 94 # define COMPORT COM1 95 # endif 96 # ifndef COMSPEED 97 # define COMSPEED 9600 98 # endif 99 #endif 100 101 #ifdef CONS_ZS 102 void zscnprobe(struct consdev *); 103 void zscninit(struct consdev *); 104 void zscnputchar(void *, int); 105 int zscngetchar(void *); 106 int zscnscan(void *); 107 #include "zs.h" 108 #ifndef ZSCHAN 109 #define ZSCHAN ZS_CHAN_A 110 #endif 111 #ifndef ZSSPEED 112 #define ZSSPEED 115200 113 #endif 114 #endif 115 116 struct consdev constab[] = { 117 #ifdef CONS_SERIAL 118 { "com", COMPORT, COMSPEED, 119 comcnprobe, comcninit, comcngetchar, comcnputchar, comcnscan }, 120 #endif 121 #ifdef CONS_ZS 122 { "zs", ZSCHAN, ZSSPEED, 123 zscnprobe, zscninit, zscngetchar, zscnputchar, zscnscan }, 124 #endif 125 { 0 } 126 }; 127 128 struct consdev *cn_tab; 129 130 char * 131 cninit(int *addr, int *speed) 132 { 133 register struct consdev *cp; 134 135 cn_tab = NULL; 136 for (cp = constab; cp->cn_probe; cp++) { 137 (*cp->cn_probe)(cp); 138 if (cp->cn_pri > CN_DEAD && 139 (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri)) 140 cn_tab = cp; 141 } 142 if (cn_tab) { 143 (*cn_tab->cn_init)(cn_tab); 144 *addr = cn_tab->address; 145 *speed = cn_tab->speed; 146 return cn_tab->cn_name; 147 } 148 149 return NULL; 150 } 151 152 int 153 cngetc(void) 154 { 155 156 if (cn_tab) 157 return (*cn_tab->cn_getc)(cn_tab->cn_dev); 158 return 0; 159 } 160 161 void 162 cnputc(int c) 163 { 164 165 if (cn_tab) 166 (*cn_tab->cn_putc)(cn_tab->cn_dev, c); 167 } 168 169 int 170 cnscan(void) 171 { 172 173 if (cn_tab) 174 return (*cn_tab->cn_scan)(cn_tab->cn_dev); 175 return -1; 176 } 177 178 #ifdef CONS_SERIAL 179 /* 180 * serial console 181 */ 182 void 183 comcnprobe(struct consdev *cp) 184 { 185 186 if (*((uint32_t *)COMPROBE) != 0 && 187 cobalt_id != COBALT_ID_QUBE2700) 188 cp->cn_pri = CN_REMOTE; 189 } 190 191 void 192 comcninit(struct consdev *cp) 193 { 194 195 cp->cn_dev = com_init(cp->address, cp->speed); 196 } 197 198 int 199 comcngetchar(void *dev) 200 { 201 202 return com_getc(dev); 203 } 204 205 void 206 comcnputchar(void *dev, int c) 207 { 208 209 if (c == '\n') 210 com_putc(dev, '\r'); 211 com_putc(dev, c); 212 } 213 214 int 215 comcnscan(void *dev) 216 { 217 218 return com_scankbd(dev); 219 } 220 #endif /* CONS_SERIAL */ 221 222 #ifdef CONS_ZS 223 /* 224 * optional z85c30 serial console on Qube2700 225 */ 226 void 227 zscnprobe(struct consdev *cp) 228 { 229 230 if (*((uint32_t *)ZSPROBE) != 0 && 231 cobalt_id == COBALT_ID_QUBE2700) 232 cp->cn_pri = CN_REMOTE; 233 } 234 235 void 236 zscninit(struct consdev *cp) 237 { 238 239 cp->cn_dev = zs_init(cp->address, cp->speed); 240 } 241 242 int 243 zscngetchar(void *dev) 244 { 245 246 return zs_getc(dev); 247 } 248 249 void 250 zscnputchar(void *dev, int c) 251 { 252 253 if (c == '\n') 254 zs_putc(dev, '\r'); 255 zs_putc(dev, c); 256 } 257 258 int 259 zscnscan(void *dev) 260 { 261 262 return zs_scan(dev); 263 } 264 #endif /* CONS_ZS */ 265
Indexes created Thu Oct 02 14:10:14 GMT 2025