1 /* $NetBSD: kb_kbc.c,v 1.3 2002/10/02 04:40:08 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Izumi Tsutsui. 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, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/device.h> 33 34 #include <machine/bus.h> 35 #include <machine/cpu.h> 36 37 #include <dev/wscons/wsconsio.h> 38 #include <dev/wscons/wskbdvar.h> 39 #include <dev/wscons/wsksymdef.h> 40 #include <dev/wscons/wsksymvar.h> 41 42 43 #include <news68k/dev/kbcreg.h> 44 #include <news68k/dev/kbcvar.h> 45 #include <news68k/dev/kbvar.h> 46 47 #include <news68k/news68k/isr.h> 48 49 int kb_kbc_match(struct device *, struct cfdata *, void *); 50 void kb_kbc_attach(struct device *, struct device *, void *); 51 void kb_kbc_init(struct kb_softc *); 52 int kb_kbc_intr(void *); 53 int kb_kbc_cnattach(void); 54 55 CFATTACH_DECL(kb_kbc, sizeof(struct kb_softc), 56 kb_kbc_match, kb_kbc_attach, NULL, NULL); 57 58 struct console_softc kb_kbc_conssc; 59 60 int 61 kb_kbc_match(parent, cf, aux) 62 struct device *parent; 63 struct cfdata *cf; 64 void *aux; 65 { 66 struct kbc_attach_args *ka = aux; 67 68 if (strcmp(ka->ka_name, "kb")) 69 return 0; 70 71 return 1; 72 } 73 74 void 75 kb_kbc_attach(parent, self, aux) 76 struct device *parent, *self; 77 void *aux; 78 { 79 struct kb_softc *sc = (void *)self; 80 struct kbc_attach_args *ka = aux; 81 struct wskbddev_attach_args wsa; 82 int ipl; 83 84 printf("\n"); 85 86 sc->sc_bt = ka->ka_bt; 87 sc->sc_bh = ka->ka_bh; 88 sc->sc_offset = KBC_KBREG_DATA; 89 sc->sc_conssc = &kb_kbc_conssc; 90 ipl = ka->ka_ipl; 91 92 kb_kbc_init(sc); 93 94 isrlink_autovec(kb_kbc_intr, (void *)sc, ipl, ISRPRI_TTY); 95 96 wsa.console = kb_kbc_conssc.cs_isconsole; 97 wsa.keymap = &kb_keymapdata; 98 wsa.accessops = &kb_accessops; 99 wsa.accesscookie = sc; 100 101 sc->sc_wskbddev = config_found(self, &wsa, wskbddevprint); 102 } 103 104 void 105 kb_kbc_init(sc) 106 struct kb_softc *sc; 107 { 108 bus_space_tag_t bt = sc->sc_bt; 109 bus_space_handle_t bh = sc->sc_bh; 110 111 bus_space_write_1(bt, bh, KBC_KBREG_RESET, 0); 112 bus_space_write_1(bt, bh, KBC_KBREG_INTE, KBC_INTE); 113 } 114 115 int 116 kb_kbc_intr(arg) 117 void *arg; 118 { 119 struct kb_softc *sc = (struct kb_softc *)arg; 120 struct console_softc *kb_conssc = sc->sc_conssc; 121 bus_space_tag_t bt = sc->sc_bt; 122 bus_space_handle_t bh = sc->sc_bh; 123 int stat, handled = 0; 124 125 kb_conssc->cs_nintr++; 126 127 stat = bus_space_read_1(bt, bh, KBC_KBREG_STAT); 128 if (stat & KBCSTAT_KBRDY) { 129 kb_intr(sc); 130 handled = 1; 131 bus_space_write_1(bt, bh, KBC_KBREG_INTE, KBC_INTE); 132 } 133 134 return handled; 135 } 136 137 int 138 kb_kbc_cnattach() 139 { 140 141 kb_kbc_conssc.cs_isconsole = 1; 142 return kb_cnattach(&kb_kbc_conssc); 143 } 144