1 /* $NetBSD: mms.c,v 1.14 2008/04/28 20:23:16 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: mms.c,v 1.14 2008/04/28 20:23:16 martin Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/device.h> 37 #include <sys/proc.h> 38 #include <sys/systm.h> 39 40 #include "wsmouse.h" 41 42 #include <dev/wscons/wsconsio.h> 43 #include <dev/wscons/wsmousevar.h> 44 45 #include <dreamcast/dev/maple/maple.h> 46 #include <dreamcast/dev/maple/mapleconf.h> 47 48 struct mms_condition { 49 uint32_t func_code; /* function code (big endian) */ 50 uint32_t buttons; 51 uint16_t axis1; /* X */ 52 uint16_t axis2; /* Y */ 53 uint16_t axis3; /* wheel */ 54 uint16_t axis4; 55 uint16_t axis5; 56 uint16_t axis6; 57 uint16_t axis7; 58 uint16_t axis8; 59 }; 60 61 #define MMS_BUTTON_C 0x01 /* middle */ 62 #define MMS_BUTTON_B 0x02 /* right */ 63 #define MMS_BUTTON_A 0x04 /* left */ 64 #define MMS_BUTTON_START 0x08 /* thumb */ 65 #define MMS_BUTTON_MASK 0x0f 66 67 #define MMS_MOVEMENT_BASE 0x200 68 #define MMS_MOVEMENT_MAX 0x3ff 69 70 #define MMS_FUNCDATA_AXIS1 0x001 71 #define MMS_FUNCDATA_AXIS2 0x002 72 #define MMS_FUNCDATA_AXIS3 0x004 73 #define MMS_FUNCDATA_AXIS4 0x008 74 #define MMS_FUNCDATA_AXIS5 0x010 75 #define MMS_FUNCDATA_AXIS6 0x020 76 #define MMS_FUNCDATA_AXIS7 0x040 77 #define MMS_FUNCDATA_AXIS8 0x080 78 #define MMS_FUNCDATA_C 0x100 79 #define MMS_FUNCDATA_B 0x200 80 #define MMS_FUNCDATA_A 0x400 81 #define MMS_FUNCDATA_START 0x800 82 83 struct mms_softc { 84 struct device sc_dev; 85 86 struct device *sc_parent; 87 struct maple_unit *sc_unit; 88 89 uint32_t sc_oldbuttons; 90 91 struct device *sc_wsmousedev; 92 }; 93 94 int mms_match(struct device *, struct cfdata *, void *); 95 void mms_attach(struct device *, struct device *, void *); 96 int mms_detach(struct device *, int); 97 98 CFATTACH_DECL(mms, sizeof(struct mms_softc), 99 mms_match, mms_attach, mms_detach, NULL); 100 101 int mms_enable(void *); 102 int mms_ioctl(void *, u_long, void *, int, struct lwp *); 103 void mms_disable(void *); 104 105 const struct wsmouse_accessops mms_accessops = { 106 mms_enable, 107 mms_ioctl, 108 mms_disable, 109 }; 110 111 void mms_intr(void *, struct maple_response *, int, int); 112 113 int 114 mms_match(struct device *parent, struct cfdata *cf, void *aux) 115 { 116 struct maple_attach_args *ma = aux; 117 118 return ma->ma_function == MAPLE_FN_MOUSE ? MAPLE_MATCH_FUNC : 0; 119 } 120 121 void 122 mms_attach(struct device *parent, struct device *self, void *aux) 123 { 124 struct mms_softc *sc = (void *) self; 125 struct maple_attach_args *ma = aux; 126 struct wsmousedev_attach_args a; 127 uint32_t data; 128 129 printf(": SEGA Dreamcast Mouse\n"); 130 131 sc->sc_parent = parent; 132 sc->sc_unit = ma->ma_unit; 133 134 data = maple_get_function_data(ma->ma_devinfo, 135 MAPLE_FN_MOUSE); 136 137 printf("%s: buttons:", sc->sc_dev.dv_xname); 138 if (data & MMS_FUNCDATA_A) 139 printf(" left"); 140 if (data & MMS_FUNCDATA_C) 141 printf(" middle"); 142 if (data & MMS_FUNCDATA_B) 143 printf(" right"); 144 if (data & MMS_FUNCDATA_START) 145 printf(" thumb"); 146 printf("\n"); 147 148 sc->sc_oldbuttons = 0; 149 150 a.accessops = &mms_accessops; 151 a.accesscookie = sc; 152 153 /* 154 * Attach the mouse, saving a handle to it. 155 */ 156 sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint); 157 if (sc->sc_wsmousedev == NULL) { 158 /* Nothing more to do here. */ 159 return; 160 } 161 162 maple_set_callback(parent, sc->sc_unit, MAPLE_FN_MOUSE, mms_intr, sc); 163 } 164 165 int 166 mms_detach(struct device *self, int flags) 167 { 168 struct mms_softc *sc = (void *) self; 169 int rv = 0; 170 171 if (sc->sc_wsmousedev != NULL) 172 rv = config_detach(sc->sc_wsmousedev, flags); 173 174 return rv; 175 } 176 177 int 178 mms_enable(void *v) 179 { 180 struct mms_softc *sc = v; 181 182 maple_enable_periodic(sc->sc_parent, sc->sc_unit, MAPLE_FN_MOUSE, 1); 183 return 0; 184 } 185 186 void 187 mms_disable(void *v) 188 { 189 struct mms_softc *sc = v; 190 191 maple_enable_periodic(sc->sc_parent, sc->sc_unit, MAPLE_FN_MOUSE, 0); 192 } 193 194 int 195 mms_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l) 196 { 197 198 switch (cmd) { 199 case WSMOUSEIO_GTYPE: 200 *(u_int *) data = WSMOUSE_TYPE_MAPLE; 201 break; 202 203 case WSMOUSEIO_SRES: 204 /* XXX */ 205 return EOPNOTSUPP; 206 207 default: 208 return EPASSTHROUGH; 209 } 210 211 return 0; 212 } 213 214 void 215 mms_intr(void *arg, struct maple_response *response, int size, int flags) 216 { 217 struct mms_softc *sc = arg; 218 struct mms_condition *data = (void *) response->data; 219 int dx = 0, dy = 0, dz = 0, buttons = 0; 220 uint32_t buttonchg; 221 222 if ((flags & MAPLE_FLAG_PERIODIC) == 0 || 223 size < sizeof(*data)) 224 return; 225 226 data->buttons &= MMS_BUTTON_MASK; 227 buttonchg = sc->sc_oldbuttons ^ data->buttons; 228 sc->sc_oldbuttons = data->buttons; 229 230 dx = (data->axis1 & MMS_MOVEMENT_MAX) - MMS_MOVEMENT_BASE; 231 dy = (data->axis2 & MMS_MOVEMENT_MAX) - MMS_MOVEMENT_BASE; 232 dz = (data->axis3 & MMS_MOVEMENT_MAX) - MMS_MOVEMENT_BASE; 233 234 if (dx || dy || dz || buttonchg) { 235 if ((data->buttons & MMS_BUTTON_A) == 0) 236 buttons |= 0x01; 237 if ((data->buttons & MMS_BUTTON_C) == 0) 238 buttons |= 0x02; 239 if ((data->buttons & MMS_BUTTON_B) == 0) 240 buttons |= 0x04; 241 if ((data->buttons & MMS_BUTTON_START) == 0) 242 buttons |= 0x08; 243 244 wsmouse_input(sc->sc_wsmousedev, 245 buttons, 246 dx, -dy, dz, 0, 247 WSMOUSE_INPUT_DELTA); 248 } 249 } 250