btms.c revision 1.11
1 /* $NetBSD: btms.c,v 1.11 2012/10/27 17:18:15 chs Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart (at) augustsson.net) at 9 * Carlstedt Research & Technology. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /*- 34 * Copyright (c) 2006 Itronix Inc. 35 * All rights reserved. 36 * 37 * Written by Iain Hibbert for Itronix Inc. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. The name of Itronix Inc. may not be used to endorse 48 * or promote products derived from this software without specific 49 * prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND 52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 53 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 54 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 55 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 56 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 57 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 58 * ON ANY THEORY OF LIABILITY, WHETHER IN 59 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 60 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 61 * POSSIBILITY OF SUCH DAMAGE. 62 */ 63 64 /* 65 * based on dev/usb/ums.c 66 */ 67 68 #include <sys/cdefs.h> 69 __KERNEL_RCSID(0, "$NetBSD: btms.c,v 1.11 2012/10/27 17:18:15 chs Exp $"); 70 71 #include <sys/param.h> 72 #include <sys/conf.h> 73 #include <sys/device.h> 74 #include <sys/proc.h> 75 #include <sys/systm.h> 76 77 #include <netbt/bluetooth.h> 78 79 #include <dev/bluetooth/bthid.h> 80 #include <dev/bluetooth/bthidev.h> 81 82 #include <dev/usb/hid.h> 83 #include <dev/usb/usb.h> 84 #include <dev/usb/usbhid.h> 85 86 #include <dev/wscons/wsconsio.h> 87 #include <dev/wscons/wsmousevar.h> 88 89 #define MAX_BUTTONS 31 90 #define BUTTON(n) (1 << (((n) == 1 || (n) == 2) ? 3 - (n) : (n))) 91 #define NOTMOUSE(f) (((f) & (HIO_CONST | HIO_RELATIVE)) != HIO_RELATIVE) 92 93 struct btms_softc { 94 struct bthidev sc_hidev; /* device+ */ 95 96 device_t sc_wsmouse; /* child */ 97 int sc_enabled; 98 uint16_t sc_flags; 99 100 /* locators */ 101 struct hid_location sc_loc_x; 102 struct hid_location sc_loc_y; 103 struct hid_location sc_loc_z; 104 struct hid_location sc_loc_w; 105 struct hid_location sc_loc_button[MAX_BUTTONS]; 106 107 int sc_num_buttons; 108 uint32_t sc_buttons; 109 }; 110 111 /* sc_flags */ 112 #define BTMS_REVZ (1 << 0) /* reverse Z direction */ 113 #define BTMS_HASZ (1 << 1) /* has Z direction */ 114 #define BTMS_HASW (1 << 2) /* has W direction */ 115 116 /* autoconf(9) methods */ 117 static int btms_match(device_t, cfdata_t, void *); 118 static void btms_attach(device_t, device_t, void *); 119 static int btms_detach(device_t, int); 120 121 CFATTACH_DECL_NEW(btms, sizeof(struct btms_softc), 122 btms_match, btms_attach, btms_detach, NULL); 123 124 /* wsmouse(4) accessops */ 125 static int btms_wsmouse_enable(void *); 126 static int btms_wsmouse_ioctl(void *, unsigned long, void *, int, struct lwp *); 127 static void btms_wsmouse_disable(void *); 128 129 static const struct wsmouse_accessops btms_wsmouse_accessops = { 130 btms_wsmouse_enable, 131 btms_wsmouse_ioctl, 132 btms_wsmouse_disable, 133 }; 134 135 /* bthid methods */ 136 static void btms_input(struct bthidev *, uint8_t *, int); 137 138 /***************************************************************************** 139 * 140 * btms autoconf(9) routines 141 */ 142 143 static int 144 btms_match(device_t parent, cfdata_t match, void *aux) 145 { 146 struct bthidev_attach_args *ba = aux; 147 148 if (hid_is_collection(ba->ba_desc, ba->ba_dlen, ba->ba_id, 149 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_MOUSE))) 150 return 1; 151 152 return 0; 153 } 154 155 static void 156 btms_attach(device_t parent, device_t self, void *aux) 157 { 158 struct btms_softc *sc = device_private(self); 159 struct bthidev_attach_args *ba = aux; 160 struct wsmousedev_attach_args wsma; 161 struct hid_location *zloc; 162 uint32_t flags; 163 int i, hl; 164 165 ba->ba_input = btms_input; 166 167 /* control the horizontal */ 168 hl = hid_locate(ba->ba_desc, 169 ba->ba_dlen, 170 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X), 171 ba->ba_id, 172 hid_input, 173 &sc->sc_loc_x, 174 &flags); 175 176 if (hl == 0 || NOTMOUSE(flags)) { 177 aprint_error("X report 0x%04x not supported\n", flags); 178 return; 179 } 180 181 /* control the vertical */ 182 hl = hid_locate(ba->ba_desc, 183 ba->ba_dlen, 184 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y), 185 ba->ba_id, 186 hid_input, 187 &sc->sc_loc_y, 188 &flags); 189 190 if (hl == 0 || NOTMOUSE(flags)) { 191 aprint_error("Y report 0x%04x not supported\n", flags); 192 return; 193 } 194 195 /* Try the wheel first as the Z activator since it's tradition. */ 196 hl = hid_locate(ba->ba_desc, 197 ba->ba_dlen, 198 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_WHEEL), 199 ba->ba_id, 200 hid_input, 201 &sc->sc_loc_z, 202 &flags); 203 204 zloc = &sc->sc_loc_z; 205 if (hl) { 206 if (NOTMOUSE(flags)) { 207 aprint_error("Wheel report 0x%04x ignored\n", flags); 208 209 /* ignore Bad Z coord */ 210 sc->sc_loc_z.size = 0; 211 } else { 212 sc->sc_flags |= BTMS_HASZ; 213 /* Wheels need the Z axis reversed. */ 214 sc->sc_flags ^= BTMS_REVZ; 215 /* Put Z on the W coordinate */ 216 zloc = &sc->sc_loc_w; 217 } 218 } 219 220 hl = hid_locate(ba->ba_desc, 221 ba->ba_dlen, 222 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Z), 223 ba->ba_id, 224 hid_input, 225 zloc, 226 &flags); 227 228 /* 229 * The horizontal component of the scrollball can also be given by 230 * Application Control Pan in the Consumer page, so if we didnt see 231 * any Z then check that. 232 */ 233 if (!hl) { 234 hl = hid_locate(ba->ba_desc, 235 ba->ba_dlen, 236 HID_USAGE2(HUP_CONSUMER, HUC_AC_PAN), 237 ba->ba_id, 238 hid_input, 239 zloc, 240 &flags); 241 } 242 243 if (hl) { 244 if (NOTMOUSE(flags)) 245 zloc->size = 0; /* ignore Z */ 246 else { 247 if (sc->sc_flags & BTMS_HASZ) 248 sc->sc_flags |= BTMS_HASW; 249 else 250 sc->sc_flags |= BTMS_HASZ; 251 } 252 } 253 254 for (i = 1 ; i <= MAX_BUTTONS ; i++) { 255 hl = hid_locate(ba->ba_desc, 256 ba->ba_dlen, 257 HID_USAGE2(HUP_BUTTON, i), 258 ba->ba_id, 259 hid_input, 260 &sc->sc_loc_button[i - 1], 261 NULL); 262 263 if (hl == 0) 264 break; 265 } 266 sc->sc_num_buttons = i - 1; 267 268 aprint_normal(": %d button%s%s%s%s.\n", 269 sc->sc_num_buttons, 270 sc->sc_num_buttons == 1 ? "" : "s", 271 sc->sc_flags & BTMS_HASW ? ", W" : "", 272 sc->sc_flags & BTMS_HASZ ? " and Z dir" : "", 273 sc->sc_flags & BTMS_HASW ? "s" : ""); 274 275 wsma.accessops = &btms_wsmouse_accessops; 276 wsma.accesscookie = sc; 277 278 sc->sc_wsmouse = config_found(self, &wsma, wsmousedevprint); 279 280 pmf_device_register(self, NULL, NULL); 281 } 282 283 static int 284 btms_detach(device_t self, int flags) 285 { 286 struct btms_softc *sc = device_private(self); 287 int err = 0; 288 289 pmf_device_deregister(self); 290 291 if (sc->sc_wsmouse != NULL) { 292 err = config_detach(sc->sc_wsmouse, flags); 293 sc->sc_wsmouse = NULL; 294 } 295 296 return err; 297 } 298 299 /***************************************************************************** 300 * 301 * wsmouse(4) accessops 302 */ 303 304 static int 305 btms_wsmouse_enable(void *cookie) 306 { 307 struct btms_softc *sc = cookie; 308 309 if (sc->sc_enabled) 310 return EBUSY; 311 312 sc->sc_enabled = 1; 313 return 0; 314 } 315 316 static int 317 btms_wsmouse_ioctl(void *cookie, unsigned long cmd, void *data, 318 int flag, struct lwp *l) 319 { 320 321 switch (cmd) { 322 case WSMOUSEIO_GTYPE: 323 *(uint *)data = WSMOUSE_TYPE_BLUETOOTH; 324 break; 325 326 default: 327 return EPASSTHROUGH; 328 } 329 330 return 0; 331 } 332 333 static void 334 btms_wsmouse_disable(void *cookie) 335 { 336 struct btms_softc *sc = cookie; 337 338 sc->sc_enabled = 0; 339 } 340 341 /***************************************************************************** 342 * 343 * btms input routine, called from our parent 344 */ 345 346 static void 347 btms_input(struct bthidev *hidev, uint8_t *data, int len) 348 { 349 struct btms_softc *sc = (struct btms_softc *)hidev; 350 int dx, dy, dz, dw; 351 uint32_t buttons; 352 int i, s; 353 354 if (sc->sc_wsmouse == NULL || sc->sc_enabled == 0) 355 return; 356 357 dx = hid_get_data(data, &sc->sc_loc_x); 358 dy = -hid_get_data(data, &sc->sc_loc_y); 359 dz = hid_get_data(data, &sc->sc_loc_z); 360 dw = hid_get_data(data, &sc->sc_loc_w); 361 362 if (sc->sc_flags & BTMS_REVZ) 363 dz = -dz; 364 365 buttons = 0; 366 for (i = 0 ; i < sc->sc_num_buttons ; i++) 367 if (hid_get_data(data, &sc->sc_loc_button[i])) 368 buttons |= BUTTON(i); 369 370 if (dx != 0 || dy != 0 || dz != 0 || dw != 0 || buttons != sc->sc_buttons) { 371 sc->sc_buttons = buttons; 372 373 s = spltty(); 374 wsmouse_input(sc->sc_wsmouse, 375 buttons, 376 dx, dy, dz, dw, 377 WSMOUSE_INPUT_DELTA); 378 splx(s); 379 } 380 } 381
Indexes created Fri Sep 26 20:09:58 GMT 2025