1 /* $NetBSD: ms_ap.c,v 1.4 2002/10/02 04:27:51 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Tsubai Masanari. 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 #include <sys/param.h> 30 #include <sys/device.h> 31 #include <sys/systm.h> 32 33 #include <dev/wscons/wsconsio.h> 34 #include <dev/wscons/wsmousevar.h> 35 36 #include <machine/adrsmap.h> 37 #include <newsmips/apbus/apbusvar.h> 38 39 struct msreg { 40 u_int ms_data; 41 u_int ms_stat; 42 u_int ms_intr_en; 43 u_int ms_reset; 44 u_int ms_speed; 45 }; 46 47 struct ms_ap_softc { 48 struct device sc_dev; 49 volatile struct msreg *sc_reg; 50 struct device *sc_wsmousedev; 51 int sc_ndata; 52 u_char sc_buf[3]; 53 }; 54 55 int ms_ap_match(struct device *, struct cfdata *, void *); 56 void ms_ap_attach(struct device *, struct device *, void *); 57 int ms_ap_intr(void *); 58 59 int ms_ap_enable(void *); 60 int ms_ap_ioctl(void *, u_long, caddr_t, int, struct proc *); 61 void ms_ap_disable(void *); 62 63 CFATTACH_DECL(ms_ap, sizeof(struct ms_ap_softc), 64 ms_ap_match, ms_ap_attach, NULL, NULL); 65 66 struct wsmouse_accessops ms_ap_accessops = { 67 ms_ap_enable, 68 ms_ap_ioctl, 69 ms_ap_disable 70 }; 71 72 int 73 ms_ap_match(parent, cf, aux) 74 struct device *parent; 75 struct cfdata *cf; 76 void *aux; 77 { 78 struct apbus_attach_args *apa = aux; 79 80 if (strcmp(apa->apa_name, "ms") == 0) 81 return 1; 82 83 return 0; 84 } 85 86 void 87 ms_ap_attach(parent, self, aux) 88 struct device *parent, *self; 89 void *aux; 90 { 91 struct ms_ap_softc *sc = (void *)self; 92 struct apbus_attach_args *apa = aux; 93 volatile struct msreg *reg = (void *)apa->apa_hwbase; 94 struct wsmousedev_attach_args aa; 95 96 printf(" slot%d addr 0x%lx\n", apa->apa_slotno, apa->apa_hwbase); 97 98 sc->sc_reg = reg; 99 100 reg->ms_reset = 0x03; 101 reg->ms_speed = 0x01; 102 reg->ms_intr_en = 0; 103 104 apbus_intr_establish(1, NEWS5000_INT1_KBD, 0, ms_ap_intr, sc, 105 "", apa->apa_ctlnum); 106 107 aa.accessops = &ms_ap_accessops; 108 aa.accesscookie = sc; 109 sc->sc_wsmousedev = config_found(self, &aa, wsmousedevprint); 110 } 111 112 int 113 ms_ap_intr(v) 114 void *v; 115 { 116 struct ms_ap_softc *sc = v; 117 volatile struct msreg *reg = sc->sc_reg; 118 int code, index, byte0, byte1, byte2; 119 int button, dx, dy; 120 int rv = 0; 121 122 reg->ms_intr_en = 0; 123 124 while (reg->ms_stat & RX_MSRDY) { 125 rv = 1; 126 code = reg->ms_data; 127 index = sc->sc_ndata; 128 129 if (sc->sc_wsmousedev == NULL) 130 continue; 131 132 if (code & 0x80) { 133 sc->sc_buf[0] = code; 134 sc->sc_ndata = 1; 135 continue; 136 } 137 138 if (index == 1) { 139 sc->sc_buf[1] = code; 140 sc->sc_ndata++; 141 continue; 142 } 143 144 if (index == 2) { 145 sc->sc_buf[2] = code; 146 sc->sc_ndata++; 147 148 byte0 = sc->sc_buf[0]; 149 byte1 = sc->sc_buf[1]; 150 byte2 = sc->sc_buf[2]; 151 152 button = 0; 153 if (byte0 & 0x01) 154 button |= 1; 155 if (byte0 & 0x04) 156 button |= 2; 157 if (byte0 & 0x02) 158 button |= 4; 159 160 if (byte0 & 0x08) 161 dx = byte1 - 0x80; 162 else 163 dx = byte1; 164 if (byte0 & 0x10) 165 dy = byte2 - 0x80; 166 else 167 dy = byte2; 168 169 wsmouse_input(sc->sc_wsmousedev, button, dx, -dy, 0, 170 WSMOUSE_INPUT_DELTA); 171 } 172 } 173 174 reg->ms_intr_en = 1; 175 return rv; 176 } 177 178 int 179 ms_ap_enable(v) 180 void *v; 181 { 182 struct ms_ap_softc *sc = v; 183 volatile struct msreg *reg = sc->sc_reg; 184 185 reg->ms_intr_en = 1; 186 return 0; 187 } 188 189 void 190 ms_ap_disable(v) 191 void *v; 192 { 193 struct ms_ap_softc *sc = v; 194 volatile struct msreg *reg = sc->sc_reg; 195 196 reg->ms_intr_en = 0; 197 } 198 199 int 200 ms_ap_ioctl(v, cmd, data, flag, p) 201 void *v; 202 u_long cmd; 203 caddr_t data; 204 int flag; 205 struct proc *p; 206 { 207 return EPASSTHROUGH; 208 } 209