1 /* $NetBSD: kbc.c,v 1.12 2008/05/14 13:29:28 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: kbc.c,v 1.12 2008/05/14 13:29:28 tsutsui Exp $"); 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 #include "ioconf.h" 45 46 #define KBC_SIZE 0x10 /* XXX */ 47 48 /* Definition of the driver for autoconfig. */ 49 static int kbc_match(device_t, cfdata_t, void *); 50 static void kbc_attach(device_t, device_t, void *); 51 static int kbc_print(void *, const char *name); 52 53 CFATTACH_DECL_NEW(kbc, 0, 54 kbc_match, kbc_attach, NULL, NULL); 55 56 static int kbc_match(device_t parent, cfdata_t cf, void *aux) 57 { 58 struct hb_attach_args *ha = aux; 59 u_int addr; 60 61 if (strcmp(ha->ha_name, "kbc")) 62 return 0; 63 64 /* XXX no default address */ 65 if (ha->ha_address == (u_int)-1) 66 return 0; 67 68 addr = IIOV(ha->ha_address); /* XXX */ 69 70 if (badaddr((void *)addr, 1)) 71 return 0; 72 73 return 1; 74 } 75 76 static void 77 kbc_attach(device_t parent, device_t self, void *aux) 78 { 79 struct hb_attach_args *ha = aux; 80 struct kbc_attach_args ka; 81 bus_space_tag_t bt = ha->ha_bust; 82 bus_space_handle_t bh; 83 84 if (bus_space_map(bt, ha->ha_address, KBC_SIZE, 0, &bh) != 0) { 85 aprint_error(": can't map device space\n"); 86 return; 87 } 88 89 aprint_normal("\n"); 90 91 ka.ka_bt = bt; 92 ka.ka_bh = bh; 93 ka.ka_ipl = ha->ha_ipl; 94 95 if (ka.ka_ipl == -1) 96 ka.ka_ipl = KBC_PRI; 97 98 ka.ka_name = "kb"; 99 config_found(self, (void *)&ka, kbc_print); 100 101 ka.ka_name = "ms"; 102 config_found(self, (void *)&ka, kbc_print); 103 } 104 105 static int 106 kbc_print(void *aux, const char *name) 107 { 108 109 if (name != NULL) 110 aprint_normal("%s: ", name); 111 112 return UNCONF; 113 } 114