1 /* $NetBSD: ms_ap.c,v 1.9 2007/03/04 06:00:26 christos 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/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: ms_ap.c,v 1.9 2007/03/04 06:00:26 christos Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/device.h> 34 #include <sys/systm.h> 35 36 #include <dev/wscons/wsconsio.h> 37 #include <dev/wscons/wsmousevar.h> 38 39 #include <machine/adrsmap.h> 40 #include <newsmips/apbus/apbusvar.h> 41 42 struct msreg { 43 u_int ms_data; 44 u_int ms_stat; 45 u_int ms_intr_en; 46 u_int ms_reset; 47 u_int ms_speed; 48 }; 49 50 struct ms_ap_softc { 51 struct device sc_dev; 52 volatile struct msreg *sc_reg; 53 struct device *sc_wsmousedev; 54 int sc_ndata; 55 u_char sc_buf[3]; 56 }; 57 58 int ms_ap_match(struct device *, struct cfdata *, void *); 59 void ms_ap_attach(struct device *, struct device *, void *); 60 int ms_ap_intr(void *); 61 62 int ms_ap_enable(void *); 63 int ms_ap_ioctl(void *, u_long, void *, int, struct lwp *); 64 void ms_ap_disable(void *); 65 66 CFATTACH_DECL(ms_ap, sizeof(struct ms_ap_softc), 67 ms_ap_match, ms_ap_attach, NULL, NULL); 68 69 struct wsmouse_accessops ms_ap_accessops = { 70 ms_ap_enable, 71 ms_ap_ioctl, 72 ms_ap_disable 73 }; 74 75 int 76 ms_ap_match(struct device *parent, struct cfdata *cf, 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(struct device *parent, struct device *self, void *aux) 88 { 89 struct ms_ap_softc *sc = (void *)self; 90 struct apbus_attach_args *apa = aux; 91 volatile struct msreg *reg = (void *)apa->apa_hwbase; 92 struct wsmousedev_attach_args aa; 93 94 printf(" slot%d addr 0x%lx\n", apa->apa_slotno, apa->apa_hwbase); 95 96 sc->sc_reg = reg; 97 98 reg->ms_reset = 0x03; 99 reg->ms_speed = 0x01; 100 reg->ms_intr_en = 0; 101 102 apbus_intr_establish(1, NEWS5000_INT1_KBD, 0, ms_ap_intr, sc, 103 "", apa->apa_ctlnum); 104 105 aa.accessops = &ms_ap_accessops; 106 aa.accesscookie = sc; 107 sc->sc_wsmousedev = config_found(self, &aa, wsmousedevprint); 108 } 109 110 int 111 ms_ap_intr(void *v) 112 { 113 struct ms_ap_softc *sc = v; 114 volatile struct msreg *reg = sc->sc_reg; 115 int code, index, byte0, byte1, byte2; 116 int button, dx, dy; 117 int rv = 0; 118 119 reg->ms_intr_en = 0; 120 121 while (reg->ms_stat & RX_MSRDY) { 122 rv = 1; 123 code = reg->ms_data; 124 index = sc->sc_ndata; 125 126 if (sc->sc_wsmousedev == NULL) 127 continue; 128 129 if (code & 0x80) { 130 sc->sc_buf[0] = code; 131 sc->sc_ndata = 1; 132 continue; 133 } 134 135 if (index == 1) { 136 sc->sc_buf[1] = code; 137 sc->sc_ndata++; 138 continue; 139 } 140 141 if (index == 2) { 142 sc->sc_buf[2] = code; 143 sc->sc_ndata++; 144 145 byte0 = sc->sc_buf[0]; 146 byte1 = sc->sc_buf[1]; 147 byte2 = sc->sc_buf[2]; 148 149 button = 0; 150 if (byte0 & 0x01) 151 button |= 1; 152 if (byte0 & 0x04) 153 button |= 2; 154 if (byte0 & 0x02) 155 button |= 4; 156 157 if (byte0 & 0x08) 158 dx = byte1 - 0x80; 159 else 160 dx = byte1; 161 if (byte0 & 0x10) 162 dy = byte2 - 0x80; 163 else 164 dy = byte2; 165 166 wsmouse_input(sc->sc_wsmousedev, 167 button, 168 dx, -dy, 0, 0, 169 WSMOUSE_INPUT_DELTA); 170 } 171 } 172 173 reg->ms_intr_en = 1; 174 return rv; 175 } 176 177 int 178 ms_ap_enable(void *v) 179 { 180 struct ms_ap_softc *sc = v; 181 volatile struct msreg *reg = sc->sc_reg; 182 183 reg->ms_intr_en = 1; 184 return 0; 185 } 186 187 void 188 ms_ap_disable(void *v) 189 { 190 struct ms_ap_softc *sc = v; 191 volatile struct msreg *reg = sc->sc_reg; 192 193 reg->ms_intr_en = 0; 194 } 195 196 int 197 ms_ap_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l) 198 { 199 200 return EPASSTHROUGH; 201 } 202