1 /* $NetBSD: ms_kbc.c,v 1.2 2002/03/17 19:40:45 atatat Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Izumi Tsutsui. All rights reserved. 5 * Copyright (c) 2000 Tsubai Masanari. 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/device.h> 32 #include <sys/systm.h> 33 34 #include <dev/wscons/wsconsio.h> 35 #include <dev/wscons/wsmousevar.h> 36 37 #include <machine/cpu.h> 38 #include <machine/bus.h> 39 40 #include <news68k/dev/kbcreg.h> 41 #include <news68k/dev/kbcvar.h> 42 #include <news68k/dev/msvar.h> 43 44 #include <news68k/news68k/isr.h> 45 46 int ms_kbc_match(struct device *, struct cfdata *, void *); 47 void ms_kbc_attach(struct device *, struct device *, void *); 48 void ms_kbc_init(struct ms_softc *); 49 int ms_kbc_intr(void *); 50 51 int ms_kbc_enable(void *); 52 void ms_kbc_disable(void *); 53 int ms_kbc_ioctl(void *, u_long, caddr_t, int, struct proc *); 54 55 struct cfattach ms_kbc_ca = { 56 sizeof(struct ms_softc), ms_kbc_match, ms_kbc_attach 57 }; 58 59 struct wsmouse_accessops ms_kbc_accessops = { 60 ms_kbc_enable, 61 ms_kbc_ioctl, 62 ms_kbc_disable 63 }; 64 65 int 66 ms_kbc_match(parent, cf, aux) 67 struct device *parent; 68 struct cfdata *cf; 69 void *aux; 70 { 71 struct kbc_attach_args *ka = aux; 72 73 if (strcmp(ka->ka_name, "ms")) 74 return 0; 75 76 return 1; 77 } 78 79 void 80 ms_kbc_attach(parent, self, aux) 81 struct device *parent, *self; 82 void *aux; 83 { 84 struct ms_softc *sc = (void *)self; 85 struct kbc_attach_args *ka = aux; 86 struct wsmousedev_attach_args wsa; 87 int ipl; 88 89 printf("\n"); 90 91 sc->sc_bt = ka->ka_bt; 92 sc->sc_bh = ka->ka_bh; 93 sc->sc_offset = KBC_MSREG_DATA; 94 ipl = ka->ka_ipl; 95 96 ms_kbc_init(sc); 97 98 isrlink_autovec(ms_kbc_intr, (void *)sc, ipl, ISRPRI_TTY); 99 100 wsa.accessops = &ms_kbc_accessops; 101 wsa.accesscookie = sc; 102 sc->sc_wsmousedev = config_found(self, &wsa, wsmousedevprint); 103 } 104 105 void 106 ms_kbc_init(sc) 107 struct ms_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_MSREG_RESET, 0); 113 bus_space_write_1(bt, bh, KBC_MSREG_INTE, KBC_INTE); 114 } 115 116 int 117 ms_kbc_intr(v) 118 void *v; 119 { 120 struct ms_softc *sc = v; 121 bus_space_tag_t bt = sc->sc_bt; 122 bus_space_handle_t bh = sc->sc_bh; 123 int handled = 0; 124 125 while (bus_space_read_1(bt, bh, KBC_MSREG_STAT) & KBCSTAT_MSRDY) { 126 ms_intr(sc); 127 handled = 1; 128 } 129 if (handled) 130 bus_space_write_1(bt, bh, KBC_MSREG_INTE, KBC_INTE); 131 132 return handled; 133 } 134 135 int 136 ms_kbc_enable(v) 137 void *v; 138 { 139 struct ms_softc *sc = v; 140 bus_space_tag_t bt = sc->sc_bt; 141 bus_space_handle_t bh = sc->sc_bh; 142 143 bus_space_write_1(bt, bh, KBC_MSREG_INTE, KBC_INTE); 144 145 return 0; 146 } 147 148 void 149 ms_kbc_disable(v) 150 void *v; 151 { 152 struct ms_softc *sc = v; 153 bus_space_tag_t bt = sc->sc_bt; 154 bus_space_handle_t bh = sc->sc_bh; 155 156 bus_space_write_1(bt, bh, KBC_MSREG_INTE, 0); 157 } 158 159 int 160 ms_kbc_ioctl(v, cmd, data, flag, p) 161 void *v; 162 u_long cmd; 163 caddr_t data; 164 int flag; 165 struct proc *p; 166 { 167 return EPASSTHROUGH; 168 } 169