1 /* $NetBSD: kb_kbc.c,v 1.1 2001/01/25 14:33:30 tsutsui 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 struct cfattach kb_kbc_ca = { 56 sizeof(struct kb_softc), kb_kbc_match, kb_kbc_attach 57 }; 58 59 struct console_softc kb_kbc_conssc; 60 61 int 62 kb_kbc_match(parent, cf, aux) 63 struct device *parent; 64 struct cfdata *cf; 65 void *aux; 66 { 67 struct kbc_attach_args *ka = aux; 68 69 if (strcmp(ka->ka_name, "kb")) 70 return 0; 71 72 return 1; 73 } 74 75 void 76 kb_kbc_attach(parent, self, aux) 77 struct device *parent, *self; 78 void *aux; 79 { 80 struct kb_softc *sc = (void *)self; 81 struct kbc_attach_args *ka = aux; 82 struct wskbddev_attach_args wsa; 83 int ipl; 84 85 printf("\n"); 86 87 sc->sc_bt = ka->ka_bt; 88 sc->sc_bh = ka->ka_bh; 89 sc->sc_offset = KBC_KBREG_DATA; 90 sc->sc_conssc = &kb_kbc_conssc; 91 ipl = ka->ka_ipl; 92 93 kb_kbc_init(sc); 94 95 isrlink_autovec(kb_kbc_intr, (void *)sc, ipl, ISRPRI_TTY); 96 97 wsa.console = kb_kbc_conssc.cs_isconsole; 98 wsa.keymap = &kb_keymapdata; 99 wsa.accessops = &kb_accessops; 100 wsa.accesscookie = sc; 101 102 sc->sc_wskbddev = config_found(self, &wsa, wskbddevprint); 103 } 104 105 void 106 kb_kbc_init(sc) 107 struct kb_softc *sc; 108 { 109 bus_space_tag_t bt = sc->sc_bt; 110 bus_space_handle_t bh = sc->sc_bh; 111 112 bus_space_write_1(bt, bh, KBC_KBREG_RESET, 0); 113 bus_space_write_1(bt, bh, KBC_KBREG_INTE, KBC_INTE); 114 } 115 116 int 117 kb_kbc_intr(arg) 118 void *arg; 119 { 120 struct kb_softc *sc = (struct kb_softc *)arg; 121 struct console_softc *kb_conssc = sc->sc_conssc; 122 bus_space_tag_t bt = sc->sc_bt; 123 bus_space_handle_t bh = sc->sc_bh; 124 int stat, handled = 0; 125 126 kb_conssc->cs_nintr++; 127 128 stat = bus_space_read_1(bt, bh, KBC_KBREG_STAT); 129 if (stat & KBCSTAT_KBRDY) { 130 kb_intr(sc); 131 handled = 1; 132 bus_space_write_1(bt, bh, KBC_KBREG_INTE, KBC_INTE); 133 } 134 135 return handled; 136 } 137 138 int 139 kb_kbc_cnattach() 140 { 141 142 kb_kbc_conssc.cs_isconsole = 1; 143 return kb_cnattach(&kb_kbc_conssc); 144 } 145