1 /* $NetBSD: kbc.c,v 1.6 2003/01/11 16:00:48 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (C) 2001 Izumi Tsutsui. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/conf.h> 33 #include <sys/device.h> 34 #include <sys/tty.h> 35 36 #include <machine/bus.h> 37 #include <machine/cpu.h> 38 39 #include <dev/cons.h> 40 41 #include <news68k/dev/hbvar.h> 42 #include <news68k/dev/kbcvar.h> 43 44 #define KBC_SIZE 0x10 /* XXX */ 45 46 /* Definition of the driver for autoconfig. */ 47 static int kbc_match(struct device *, struct cfdata *, void *); 48 static void kbc_attach(struct device *, struct device *, void *); 49 static int kbc_print(void *, const char *name); 50 51 CFATTACH_DECL(kbc, sizeof(struct device), 52 kbc_match, kbc_attach, NULL, NULL); 53 54 extern struct cfdriver kbc_cd; 55 56 static int kbc_match(parent, cf, aux) 57 struct device *parent; 58 struct cfdata *cf; 59 void *aux; 60 { 61 struct hb_attach_args *ha = aux; 62 u_int addr; 63 64 if (strcmp(ha->ha_name, "kbc")) 65 return 0; 66 67 /* XXX no default address */ 68 if (ha->ha_address == (u_int)-1) 69 return 0; 70 71 addr = IIOV(ha->ha_address); /* XXX */ 72 73 if (badaddr((void *)addr, 1)) 74 return 0; 75 76 return 1; 77 } 78 79 static void 80 kbc_attach(parent, self, aux) 81 struct device *parent; 82 struct device *self; 83 void *aux; 84 { 85 struct hb_attach_args *ha = aux; 86 struct kbc_attach_args ka; 87 bus_space_tag_t bt = ha->ha_bust; 88 bus_space_handle_t bh; 89 90 if (bus_space_map(bt, ha->ha_address, KBC_SIZE, 0, &bh) != 0) { 91 printf("can't map device space\n"); 92 return; 93 } 94 95 printf("\n"); 96 97 ka.ka_bt = bt; 98 ka.ka_bh = bh; 99 ka.ka_ipl = ha->ha_ipl; 100 101 if (ka.ka_ipl == -1) 102 ka.ka_ipl = KBC_PRI; 103 104 ka.ka_name = "kb"; 105 config_found(self, (void *)&ka, kbc_print); 106 107 ka.ka_name = "ms"; 108 config_found(self, (void *)&ka, kbc_print); 109 } 110 111 static int 112 kbc_print(aux, name) 113 void *aux; 114 const char *name; 115 { 116 117 if (name != NULL) 118 aprint_normal("%s: ", name); 119 120 return UNCONF; 121 } 122