btms.c revision 1.6
1 /* $NetBSD: btms.c,v 1.6 2007/03/04 06:01:45 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Itronix Inc. 5 * All rights reserved. 6 * 7 * Written by Iain Hibbert for Itronix Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of Itronix Inc. may not be used to endorse 18 * or promote products derived from this software without specific 19 * prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 28 * ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * based on dev/usb/ums.c 36 */ 37 38 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: btms.c,v 1.6 2007/03/04 06:01:45 christos Exp $"); 40 41 #include <sys/param.h> 42 #include <sys/conf.h> 43 #include <sys/device.h> 44 #include <sys/proc.h> 45 #include <sys/systm.h> 46 47 #include <netbt/bluetooth.h> 48 49 #include <dev/bluetooth/bthid.h> 50 #include <dev/bluetooth/bthidev.h> 51 52 #include <dev/usb/hid.h> 53 #include <dev/usb/usb.h> 54 #include <dev/usb/usbhid.h> 55 56 #include <dev/wscons/wsconsio.h> 57 #include <dev/wscons/wsmousevar.h> 58 59 #define MAX_BUTTONS 31 60 #define BUTTON(n) (1 << (((n) == 1 || (n) == 2) ? 3 - (n) : (n))) 61 #define NOTMOUSE(f) (((f) & (HIO_CONST | HIO_RELATIVE)) != HIO_RELATIVE) 62 63 struct btms_softc { 64 struct bthidev sc_hidev; /* device+ */ 65 66 struct device *sc_wsmouse; /* child */ 67 int sc_enabled; 68 uint16_t sc_flags; 69 70 /* locators */ 71 struct hid_location sc_loc_x; 72 struct hid_location sc_loc_y; 73 struct hid_location sc_loc_z; 74 struct hid_location sc_loc_w; 75 struct hid_location sc_loc_button[MAX_BUTTONS]; 76 77 int sc_num_buttons; 78 uint32_t sc_buttons; 79 }; 80 81 /* sc_flags */ 82 #define BTMS_REVZ (1 << 0) /* reverse Z direction */ 83 #define BTMS_HASZ (1 << 1) /* has Z direction */ 84 #define BTMS_HASW (1 << 2) /* has W direction */ 85 86 /* autoconf(9) methods */ 87 static int btms_match(struct device *, struct cfdata *, void *); 88 static void btms_attach(struct device *, struct device *, void *); 89 static int btms_detach(struct device *, int); 90 91 CFATTACH_DECL(btms, sizeof(struct btms_softc), 92 btms_match, btms_attach, btms_detach, NULL); 93 94 /* wsmouse(4) accessops */ 95 static int btms_wsmouse_enable(void *); 96 static int btms_wsmouse_ioctl(void *, unsigned long, void *, int, struct lwp *); 97 static void btms_wsmouse_disable(void *); 98 99 static const struct wsmouse_accessops btms_wsmouse_accessops = { 100 btms_wsmouse_enable, 101 btms_wsmouse_ioctl, 102 btms_wsmouse_disable, 103 }; 104 105 /* bthid methods */ 106 static void btms_input(struct bthidev *, uint8_t *, int); 107 108 /***************************************************************************** 109 * 110 * btms autoconf(9) routines 111 */ 112 113 static int 114 btms_match(struct device *parent, struct cfdata *match, 115 void *aux) 116 { 117 struct bthidev_attach_args *ba = aux; 118 119 if (hid_is_collection(ba->ba_desc, ba->ba_dlen, ba->ba_id, 120 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_MOUSE))) 121 return 1; 122 123 return 0; 124 } 125 126 static void 127 btms_attach(struct device *parent, struct device *self, void *aux) 128 { 129 struct btms_softc *sc = (struct btms_softc *)self; 130 struct bthidev_attach_args *ba = aux; 131 struct wsmousedev_attach_args wsma; 132 struct hid_location *zloc; 133 uint32_t flags; 134 int i, hl; 135 136 ba->ba_input = btms_input; 137 138 /* control the horizontal */ 139 hl = hid_locate(ba->ba_desc, 140 ba->ba_dlen, 141 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X), 142 ba->ba_id, 143 hid_input, 144 &sc->sc_loc_x, 145 &flags); 146 147 if (hl == 0 || NOTMOUSE(flags)) { 148 printf("\n%s: X report 0x%04x not supported\n", 149 sc->sc_hidev.sc_dev.dv_xname, flags); 150 151 return; 152 } 153 154 /* control the vertical */ 155 hl = hid_locate(ba->ba_desc, 156 ba->ba_dlen, 157 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y), 158 ba->ba_id, 159 hid_input, 160 &sc->sc_loc_y, 161 &flags); 162 163 if (hl == 0 || NOTMOUSE(flags)) { 164 printf("\n%s: Y report 0x%04x not supported\n", 165 sc->sc_hidev.sc_dev.dv_xname, flags); 166 167 return; 168 } 169 170 /* Try the wheel first as the Z activator since it's tradition. */ 171 hl = hid_locate(ba->ba_desc, 172 ba->ba_dlen, 173 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_WHEEL), 174 ba->ba_id, 175 hid_input, 176 &sc->sc_loc_z, 177 &flags); 178 179 zloc = &sc->sc_loc_z; 180 if (hl) { 181 if (NOTMOUSE(flags)) { 182 printf("\n%s: Wheel report 0x%04x not supported\n", 183 sc->sc_hidev.sc_dev.dv_xname, flags); 184 185 /* ignore Bad Z coord */ 186 sc->sc_loc_z.size = 0; 187 } else { 188 sc->sc_flags |= BTMS_HASZ; 189 /* Wheels need the Z axis reversed. */ 190 sc->sc_flags ^= BTMS_REVZ; 191 /* Put Z on the W coordinate */ 192 zloc = &sc->sc_loc_w; 193 } 194 } 195 196 hl = hid_locate(ba->ba_desc, 197 ba->ba_dlen, 198 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Z), 199 ba->ba_id, 200 hid_input, 201 zloc, 202 &flags); 203 204 /* 205 * The horizontal component of the scrollball can also be given by 206 * Application Control Pan in the Consumer page, so if we didnt see 207 * any Z then check that. 208 */ 209 if (!hl) { 210 hl = hid_locate(ba->ba_desc, 211 ba->ba_dlen, 212 HID_USAGE2(HUP_CONSUMER, HUC_AC_PAN), 213 ba->ba_id, 214 hid_input, 215 zloc, 216 &flags); 217 } 218 219 if (hl) { 220 if (NOTMOUSE(flags)) 221 zloc->size = 0; /* ignore Z */ 222 else { 223 if (sc->sc_flags & BTMS_HASZ) 224 sc->sc_flags |= BTMS_HASW; 225 else 226 sc->sc_flags |= BTMS_HASZ; 227 } 228 } 229 230 for (i = 1 ; i <= MAX_BUTTONS ; i++) { 231 hl = hid_locate(ba->ba_desc, 232 ba->ba_dlen, 233 HID_USAGE2(HUP_BUTTON, i), 234 ba->ba_id, 235 hid_input, 236 &sc->sc_loc_button[i - 1], 237 NULL); 238 239 if (hl == 0) 240 break; 241 } 242 sc->sc_num_buttons = i - 1; 243 244 aprint_normal(": %d button%s%s%s%s.\n", 245 sc->sc_num_buttons, 246 sc->sc_num_buttons == 1 ? "" : "s", 247 sc->sc_flags & BTMS_HASW ? ", W" : "", 248 sc->sc_flags & BTMS_HASZ ? " and Z dir" : "", 249 sc->sc_flags & BTMS_HASW ? "s" : ""); 250 251 wsma.accessops = &btms_wsmouse_accessops; 252 wsma.accesscookie = sc; 253 254 sc->sc_wsmouse = config_found((struct device *)sc, &wsma, wsmousedevprint); 255 } 256 257 static int 258 btms_detach(struct device *self, int flags) 259 { 260 struct btms_softc *sc = (struct btms_softc *)self; 261 int err = 0; 262 263 if (sc->sc_wsmouse != NULL) { 264 err = config_detach(sc->sc_wsmouse, flags); 265 sc->sc_wsmouse = NULL; 266 } 267 268 return err; 269 } 270 271 /***************************************************************************** 272 * 273 * wsmouse(4) accessops 274 */ 275 276 static int 277 btms_wsmouse_enable(void *self) 278 { 279 struct btms_softc *sc = (struct btms_softc *)self; 280 281 if (sc->sc_enabled) 282 return EBUSY; 283 284 sc->sc_enabled = 1; 285 return 0; 286 } 287 288 static int 289 btms_wsmouse_ioctl(void *self, unsigned long cmd, void *data, 290 int flag, struct lwp *l) 291 { 292 /* struct btms_softc *sc = (struct btms_softc *)self; */ 293 294 switch (cmd) { 295 case WSMOUSEIO_GTYPE: 296 *(uint *)data = WSMOUSE_TYPE_BLUETOOTH; 297 break; 298 299 default: 300 return EPASSTHROUGH; 301 } 302 303 return 0; 304 } 305 306 static void 307 btms_wsmouse_disable(void *self) 308 { 309 struct btms_softc *sc = (struct btms_softc *)self; 310 311 sc->sc_enabled = 0; 312 } 313 314 /***************************************************************************** 315 * 316 * btms input routine, called from our parent 317 */ 318 319 static void 320 btms_input(struct bthidev *self, uint8_t *data, int len) 321 { 322 struct btms_softc *sc = (struct btms_softc *)self; 323 int dx, dy, dz, dw; 324 uint32_t buttons; 325 int i, s; 326 327 if (sc->sc_wsmouse == NULL || sc->sc_enabled == 0) 328 return; 329 330 dx = hid_get_data(data, &sc->sc_loc_x); 331 dy = -hid_get_data(data, &sc->sc_loc_y); 332 dz = hid_get_data(data, &sc->sc_loc_z); 333 dw = hid_get_data(data, &sc->sc_loc_w); 334 335 if (sc->sc_flags & BTMS_REVZ) 336 dz = -dz; 337 338 buttons = 0; 339 for (i = 0 ; i < sc->sc_num_buttons ; i++) 340 if (hid_get_data(data, &sc->sc_loc_button[i])) 341 buttons |= BUTTON(i); 342 343 if (dx != 0 || dy != 0 || dz != 0 || dw != 0 || buttons != sc->sc_buttons) { 344 sc->sc_buttons = buttons; 345 346 s = spltty(); 347 wsmouse_input(sc->sc_wsmouse, 348 buttons, 349 dx, dy, dz, dw, 350 WSMOUSE_INPUT_DELTA); 351 splx(s); 352 } 353 } 354
Indexes created Fri Sep 26 08:10:20 GMT 2025