1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2012 Huang Wen Hui 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include "opt_evdev.h" 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/kernel.h> 34 #include <sys/malloc.h> 35 #include <sys/module.h> 36 #include <sys/lock.h> 37 #include <sys/mutex.h> 38 #include <sys/bus.h> 39 #include <sys/conf.h> 40 #include <sys/fcntl.h> 41 #include <sys/file.h> 42 #include <sys/selinfo.h> 43 #include <sys/poll.h> 44 #include <sys/sysctl.h> 45 46 #include <dev/hid/hid.h> 47 48 #include <dev/usb/usb.h> 49 #include <dev/usb/usbdi.h> 50 #include <dev/usb/usbdi_util.h> 51 #include <dev/usb/usbhid.h> 52 53 #include "usbdevs.h" 54 55 #define USB_DEBUG_VAR wsp_debug 56 #include <dev/usb/usb_debug.h> 57 58 #ifdef EVDEV_SUPPORT 59 #include <dev/evdev/input.h> 60 #include <dev/evdev/evdev.h> 61 #endif 62 63 #include <sys/mouse.h> 64 65 #define WSP_DRIVER_NAME "wsp" 66 #define WSP_BUFFER_MAX 1024 67 68 #define WSP_CLAMP(x,low,high) do { \ 69 if ((x) < (low)) \ 70 (x) = (low); \ 71 else if ((x) > (high)) \ 72 (x) = (high); \ 73 } while (0) 74 75 /* Tunables */ 76 static SYSCTL_NODE(_hw_usb, OID_AUTO, wsp, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 77 "USB wsp"); 78 79 #ifdef USB_DEBUG 80 enum wsp_log_level { 81 WSP_LLEVEL_DISABLED = 0, 82 WSP_LLEVEL_ERROR, 83 WSP_LLEVEL_DEBUG, /* for troubleshooting */ 84 WSP_LLEVEL_INFO, /* for diagnostics */ 85 }; 86 static int wsp_debug = WSP_LLEVEL_ERROR;/* the default is to only log errors */ 87 88 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, debug, CTLFLAG_RWTUN, 89 &wsp_debug, WSP_LLEVEL_ERROR, "WSP debug level"); 90 #endif /* USB_DEBUG */ 91 92 static struct wsp_tuning { 93 int scale_factor; 94 int z_factor; 95 int z_invert; 96 int pressure_touch_threshold; 97 int pressure_untouch_threshold; 98 int pressure_tap_threshold; 99 int scr_hor_threshold; 100 int max_finger_area; 101 int max_double_tap_distance; 102 int enable_single_tap_clicks; 103 int enable_single_tap_movement; 104 } 105 wsp_tuning = 106 { 107 .scale_factor = 12, 108 .z_factor = 5, 109 .z_invert = 0, 110 .pressure_touch_threshold = 50, 111 .pressure_untouch_threshold = 10, 112 .pressure_tap_threshold = 120, 113 .scr_hor_threshold = 20, 114 .max_finger_area = 1900, 115 .max_double_tap_distance = 2500, 116 .enable_single_tap_clicks = 1, 117 .enable_single_tap_movement = 1, 118 }; 119 120 static void 121 wsp_runing_rangecheck(struct wsp_tuning *ptun) 122 { 123 WSP_CLAMP(ptun->scale_factor, 1, 63); 124 WSP_CLAMP(ptun->z_factor, 1, 63); 125 WSP_CLAMP(ptun->z_invert, 0, 1); 126 WSP_CLAMP(ptun->pressure_touch_threshold, 1, 255); 127 WSP_CLAMP(ptun->pressure_untouch_threshold, 1, 255); 128 WSP_CLAMP(ptun->pressure_tap_threshold, 1, 255); 129 WSP_CLAMP(ptun->max_finger_area, 1, 2400); 130 WSP_CLAMP(ptun->max_double_tap_distance, 1, 16384); 131 WSP_CLAMP(ptun->scr_hor_threshold, 1, 255); 132 WSP_CLAMP(ptun->enable_single_tap_clicks, 0, 1); 133 WSP_CLAMP(ptun->enable_single_tap_movement, 0, 1); 134 } 135 136 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, scale_factor, CTLFLAG_RWTUN, 137 &wsp_tuning.scale_factor, 0, "movement scale factor"); 138 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, z_factor, CTLFLAG_RWTUN, 139 &wsp_tuning.z_factor, 0, "Z-axis scale factor"); 140 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, z_invert, CTLFLAG_RWTUN, 141 &wsp_tuning.z_invert, 0, "enable Z-axis inversion"); 142 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_touch_threshold, CTLFLAG_RWTUN, 143 &wsp_tuning.pressure_touch_threshold, 0, "touch pressure threshold"); 144 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_untouch_threshold, CTLFLAG_RWTUN, 145 &wsp_tuning.pressure_untouch_threshold, 0, "untouch pressure threshold"); 146 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_tap_threshold, CTLFLAG_RWTUN, 147 &wsp_tuning.pressure_tap_threshold, 0, "tap pressure threshold"); 148 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, max_finger_area, CTLFLAG_RWTUN, 149 &wsp_tuning.max_finger_area, 0, "maximum finger area"); 150 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, max_double_tap_distance, CTLFLAG_RWTUN, 151 &wsp_tuning.max_double_tap_distance, 0, "maximum double-finger click distance"); 152 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, scr_hor_threshold, CTLFLAG_RWTUN, 153 &wsp_tuning.scr_hor_threshold, 0, "horizontal scrolling threshold"); 154 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, enable_single_tap_clicks, CTLFLAG_RWTUN, 155 &wsp_tuning.enable_single_tap_clicks, 0, "enable single tap clicks"); 156 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, enable_single_tap_movement, CTLFLAG_RWTUN, 157 &wsp_tuning.enable_single_tap_movement, 0, "enable single tap movement"); 158 159 160 /* 161 * Some tables, structures, definitions and constant values for the 162 * touchpad protocol has been copied from Linux's 163 * "drivers/input/mouse/bcm5974.c" which has the following copyright 164 * holders under GPLv2. All device specific code in this driver has 165 * been written from scratch. The decoding algorithm is based on 166 * output from FreeBSD's usbdump. 167 * 168 * Copyright (C) 2008 Henrik Rydberg (rydberg@euromail.se) 169 * Copyright (C) 2008 Scott Shawcroft (scott.shawcroft@gmail.com) 170 * Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com) 171 * Copyright (C) 2005 Johannes Berg (johannes@sipsolutions.net) 172 * Copyright (C) 2005 Stelian Pop (stelian@popies.net) 173 * Copyright (C) 2005 Frank Arnold (frank@scirocco-5v-turbo.de) 174 * Copyright (C) 2005 Peter Osterlund (petero2@telia.com) 175 * Copyright (C) 2005 Michael Hanselmann (linux-kernel@hansmi.ch) 176 * Copyright (C) 2006 Nicolas Boichat (nicolas@boichat.ch) 177 */ 178 179 /* button data structure */ 180 struct bt_data { 181 uint8_t unknown1; /* constant */ 182 uint8_t button; /* left button */ 183 uint8_t rel_x; /* relative x coordinate */ 184 uint8_t rel_y; /* relative y coordinate */ 185 } __packed; 186 187 /* trackpad header types */ 188 enum tp_type { 189 TYPE1, /* plain trackpad */ 190 TYPE2, /* button integrated in trackpad */ 191 TYPE3, /* additional header fields since June 2013 */ 192 TYPE4, /* additional header field for pressure data */ 193 TYPE_CNT 194 }; 195 196 /* trackpad finger data offsets, le16-aligned */ 197 #define FINGER_TYPE1 (13 * 2) 198 #define FINGER_TYPE2 (15 * 2) 199 #define FINGER_TYPE3 (19 * 2) 200 #define FINGER_TYPE4 (23 * 2) 201 202 /* trackpad button data offsets */ 203 #define BUTTON_TYPE2 15 204 #define BUTTON_TYPE3 23 205 #define BUTTON_TYPE4 31 206 207 /* list of device capability bits */ 208 #define HAS_INTEGRATED_BUTTON 1 209 210 /* trackpad finger data block size */ 211 #define FSIZE_TYPE1 (14 * 2) 212 #define FSIZE_TYPE2 (14 * 2) 213 #define FSIZE_TYPE3 (14 * 2) 214 #define FSIZE_TYPE4 (15 * 2) 215 216 struct wsp_tp { 217 uint8_t caps; /* device capability bitmask */ 218 uint8_t button; /* offset to button data */ 219 uint8_t offset; /* offset to trackpad finger data */ 220 uint8_t fsize; /* bytes in single finger block */ 221 uint8_t delta; /* offset from header to finger struct */ 222 uint8_t iface_index; 223 uint8_t um_size; /* usb control message length */ 224 uint8_t um_req_idx; /* usb control message index */ 225 uint8_t um_switch_idx; /* usb control message mode switch index */ 226 uint8_t um_switch_on; /* usb control message mode switch on */ 227 uint8_t um_switch_off; /* usb control message mode switch off */ 228 } const static wsp_tp[TYPE_CNT] = { 229 [TYPE1] = { 230 .caps = 0, 231 .button = 0, 232 .offset = FINGER_TYPE1, 233 .fsize = FSIZE_TYPE1, 234 .delta = 0, 235 .iface_index = 0, 236 .um_size = 8, 237 .um_req_idx = 0x00, 238 .um_switch_idx = 0, 239 .um_switch_on = 0x01, 240 .um_switch_off = 0x08, 241 }, 242 [TYPE2] = { 243 .caps = HAS_INTEGRATED_BUTTON, 244 .button = BUTTON_TYPE2, 245 .offset = FINGER_TYPE2, 246 .fsize = FSIZE_TYPE2, 247 .delta = 0, 248 .iface_index = 0, 249 .um_size = 8, 250 .um_req_idx = 0x00, 251 .um_switch_idx = 0, 252 .um_switch_on = 0x01, 253 .um_switch_off = 0x08, 254 }, 255 [TYPE3] = { 256 .caps = HAS_INTEGRATED_BUTTON, 257 .button = BUTTON_TYPE3, 258 .offset = FINGER_TYPE3, 259 .fsize = FSIZE_TYPE3, 260 .delta = 0, 261 }, 262 [TYPE4] = { 263 .caps = HAS_INTEGRATED_BUTTON, 264 .button = BUTTON_TYPE4, 265 .offset = FINGER_TYPE4, 266 .fsize = FSIZE_TYPE4, 267 .delta = 2, 268 .iface_index = 2, 269 .um_size = 2, 270 .um_req_idx = 0x02, 271 .um_switch_idx = 1, 272 .um_switch_on = 0x01, 273 .um_switch_off = 0x00, 274 }, 275 }; 276 277 /* trackpad finger header - little endian */ 278 struct tp_header { 279 uint8_t flag; 280 uint8_t sn0; 281 uint16_t wFixed0; 282 uint32_t dwSn1; 283 uint32_t dwFixed1; 284 uint16_t wLength; 285 uint8_t nfinger; 286 uint8_t ibt; 287 int16_t wUnknown[6]; 288 uint8_t q1; 289 uint8_t q2; 290 } __packed; 291 292 /* trackpad finger structure - little endian */ 293 struct tp_finger { 294 int16_t origin; /* zero when switching track finger */ 295 int16_t abs_x; /* absolute x coodinate */ 296 int16_t abs_y; /* absolute y coodinate */ 297 int16_t rel_x; /* relative x coodinate */ 298 int16_t rel_y; /* relative y coodinate */ 299 int16_t tool_major; /* tool area, major axis */ 300 int16_t tool_minor; /* tool area, minor axis */ 301 int16_t orientation; /* 16384 when point, else 15 bit angle */ 302 int16_t touch_major; /* touch area, major axis */ 303 int16_t touch_minor; /* touch area, minor axis */ 304 int16_t unused[2]; /* zeros */ 305 int16_t pressure; /* pressure on forcetouch touchpad */ 306 int16_t multi; /* one finger: varies, more fingers: 307 * constant */ 308 } __packed; 309 310 /* trackpad finger data size, empirically at least ten fingers */ 311 #ifdef EVDEV_SUPPORT 312 #define MAX_FINGERS MAX_MT_SLOTS 313 #else 314 #define MAX_FINGERS 16 315 #endif 316 #define SIZEOF_FINGER sizeof(struct tp_finger) 317 #define SIZEOF_ALL_FINGERS (MAX_FINGERS * SIZEOF_FINGER) 318 #define MAX_FINGER_ORIENTATION 16384 319 320 #if (WSP_BUFFER_MAX < ((MAX_FINGERS * FSIZE_TYPE4) + FINGER_TYPE4)) 321 #error "WSP_BUFFER_MAX is too small" 322 #endif 323 324 enum { 325 WSP_FLAG_WELLSPRING1, 326 WSP_FLAG_WELLSPRING2, 327 WSP_FLAG_WELLSPRING3, 328 WSP_FLAG_WELLSPRING4, 329 WSP_FLAG_WELLSPRING4A, 330 WSP_FLAG_WELLSPRING5, 331 WSP_FLAG_WELLSPRING6A, 332 WSP_FLAG_WELLSPRING6, 333 WSP_FLAG_WELLSPRING5A, 334 WSP_FLAG_WELLSPRING7, 335 WSP_FLAG_WELLSPRING7A, 336 WSP_FLAG_WELLSPRING8, 337 WSP_FLAG_WELLSPRING9, 338 WSP_FLAG_MAX, 339 }; 340 341 /* device-specific parameters */ 342 struct wsp_param { 343 int snratio; /* signal-to-noise ratio */ 344 int min; /* device minimum reading */ 345 int max; /* device maximum reading */ 346 int size; /* physical size, mm */ 347 }; 348 349 /* device-specific configuration */ 350 struct wsp_dev_params { 351 const struct wsp_tp* tp; 352 struct wsp_param p; /* finger pressure limits */ 353 struct wsp_param w; /* finger width limits */ 354 struct wsp_param x; /* horizontal limits */ 355 struct wsp_param y; /* vertical limits */ 356 struct wsp_param o; /* orientation limits */ 357 }; 358 359 /* logical signal quality */ 360 #define SN_PRESSURE 45 /* pressure signal-to-noise ratio */ 361 #define SN_WIDTH 25 /* width signal-to-noise ratio */ 362 #define SN_COORD 250 /* coordinate signal-to-noise ratio */ 363 #define SN_ORIENT 10 /* orientation signal-to-noise ratio */ 364 365 static const struct wsp_dev_params wsp_dev_params[WSP_FLAG_MAX] = { 366 [WSP_FLAG_WELLSPRING1] = { 367 .tp = wsp_tp + TYPE1, 368 .p = { SN_PRESSURE, 0, 256, 0 }, 369 .w = { SN_WIDTH, 0, 2048, 0 }, 370 .x = { SN_COORD, -4824, 5342, 105 }, 371 .y = { SN_COORD, -172, 5820, 75 }, 372 .o = { SN_ORIENT, 373 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 374 }, 375 [WSP_FLAG_WELLSPRING2] = { 376 .tp = wsp_tp + TYPE1, 377 .p = { SN_PRESSURE, 0, 256, 0 }, 378 .w = { SN_WIDTH, 0, 2048, 0 }, 379 .x = { SN_COORD, -4824, 4824, 105 }, 380 .y = { SN_COORD, -172, 4290, 75 }, 381 .o = { SN_ORIENT, 382 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 383 }, 384 [WSP_FLAG_WELLSPRING3] = { 385 .tp = wsp_tp + TYPE2, 386 .p = { SN_PRESSURE, 0, 300, 0 }, 387 .w = { SN_WIDTH, 0, 2048, 0 }, 388 .x = { SN_COORD, -4460, 5166, 105 }, 389 .y = { SN_COORD, -75, 6700, 75 }, 390 .o = { SN_ORIENT, 391 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 392 }, 393 [WSP_FLAG_WELLSPRING4] = { 394 .tp = wsp_tp + TYPE2, 395 .p = { SN_PRESSURE, 0, 300, 0 }, 396 .w = { SN_WIDTH, 0, 2048, 0 }, 397 .x = { SN_COORD, -4620, 5140, 105 }, 398 .y = { SN_COORD, -150, 6600, 75 }, 399 .o = { SN_ORIENT, 400 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 401 }, 402 [WSP_FLAG_WELLSPRING4A] = { 403 .tp = wsp_tp + TYPE2, 404 .p = { SN_PRESSURE, 0, 300, 0 }, 405 .w = { SN_WIDTH, 0, 2048, 0 }, 406 .x = { SN_COORD, -4616, 5112, 105 }, 407 .y = { SN_COORD, -142, 5234, 75 }, 408 .o = { SN_ORIENT, 409 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 410 }, 411 [WSP_FLAG_WELLSPRING5] = { 412 .tp = wsp_tp + TYPE2, 413 .p = { SN_PRESSURE, 0, 300, 0 }, 414 .w = { SN_WIDTH, 0, 2048, 0 }, 415 .x = { SN_COORD, -4415, 5050, 105 }, 416 .y = { SN_COORD, -55, 6680, 75 }, 417 .o = { SN_ORIENT, 418 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 419 }, 420 [WSP_FLAG_WELLSPRING6] = { 421 .tp = wsp_tp + TYPE2, 422 .p = { SN_PRESSURE, 0, 300, 0 }, 423 .w = { SN_WIDTH, 0, 2048, 0 }, 424 .x = { SN_COORD, -4620, 5140, 105 }, 425 .y = { SN_COORD, -150, 6600, 75 }, 426 .o = { SN_ORIENT, 427 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 428 }, 429 [WSP_FLAG_WELLSPRING5A] = { 430 .tp = wsp_tp + TYPE2, 431 .p = { SN_PRESSURE, 0, 300, 0 }, 432 .w = { SN_WIDTH, 0, 2048, 0 }, 433 .x = { SN_COORD, -4750, 5280, 105 }, 434 .y = { SN_COORD, -150, 6730, 75 }, 435 .o = { SN_ORIENT, 436 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 437 }, 438 [WSP_FLAG_WELLSPRING6A] = { 439 .tp = wsp_tp + TYPE2, 440 .p = { SN_PRESSURE, 0, 300, 0 }, 441 .w = { SN_WIDTH, 0, 2048, 0 }, 442 .x = { SN_COORD, -4620, 5140, 105 }, 443 .y = { SN_COORD, -150, 6600, 75 }, 444 .o = { SN_ORIENT, 445 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 446 }, 447 [WSP_FLAG_WELLSPRING7] = { 448 .tp = wsp_tp + TYPE2, 449 .p = { SN_PRESSURE, 0, 300, 0 }, 450 .w = { SN_WIDTH, 0, 2048, 0 }, 451 .x = { SN_COORD, -4750, 5280, 105 }, 452 .y = { SN_COORD, -150, 6730, 75 }, 453 .o = { SN_ORIENT, 454 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 455 }, 456 [WSP_FLAG_WELLSPRING7A] = { 457 .tp = wsp_tp + TYPE2, 458 .p = { SN_PRESSURE, 0, 300, 0 }, 459 .w = { SN_WIDTH, 0, 2048, 0 }, 460 .x = { SN_COORD, -4750, 5280, 105 }, 461 .y = { SN_COORD, -150, 6730, 75 }, 462 .o = { SN_ORIENT, 463 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 464 }, 465 [WSP_FLAG_WELLSPRING8] = { 466 .tp = wsp_tp + TYPE3, 467 .p = { SN_PRESSURE, 0, 300, 0 }, 468 .w = { SN_WIDTH, 0, 2048, 0 }, 469 .x = { SN_COORD, -4620, 5140, 105 }, 470 .y = { SN_COORD, -150, 6600, 75 }, 471 .o = { SN_ORIENT, 472 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 473 }, 474 [WSP_FLAG_WELLSPRING9] = { 475 .tp = wsp_tp + TYPE4, 476 .p = { SN_PRESSURE, 0, 300, 0 }, 477 .w = { SN_WIDTH, 0, 2048, 0 }, 478 .x = { SN_COORD, -4828, 5345, 105 }, 479 .y = { SN_COORD, -203, 6803, 75 }, 480 .o = { SN_ORIENT, 481 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 482 }, 483 }; 484 #define WSP_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) } 485 486 static const STRUCT_USB_HOST_ID wsp_devs[] = { 487 /* MacbookAir1.1 */ 488 WSP_DEV(APPLE, WELLSPRING_ANSI, WSP_FLAG_WELLSPRING1), 489 WSP_DEV(APPLE, WELLSPRING_ISO, WSP_FLAG_WELLSPRING1), 490 WSP_DEV(APPLE, WELLSPRING_JIS, WSP_FLAG_WELLSPRING1), 491 492 /* MacbookProPenryn, aka wellspring2 */ 493 WSP_DEV(APPLE, WELLSPRING2_ANSI, WSP_FLAG_WELLSPRING2), 494 WSP_DEV(APPLE, WELLSPRING2_ISO, WSP_FLAG_WELLSPRING2), 495 WSP_DEV(APPLE, WELLSPRING2_JIS, WSP_FLAG_WELLSPRING2), 496 497 /* Macbook5,1 (unibody), aka wellspring3 */ 498 WSP_DEV(APPLE, WELLSPRING3_ANSI, WSP_FLAG_WELLSPRING3), 499 WSP_DEV(APPLE, WELLSPRING3_ISO, WSP_FLAG_WELLSPRING3), 500 WSP_DEV(APPLE, WELLSPRING3_JIS, WSP_FLAG_WELLSPRING3), 501 502 /* MacbookAir3,2 (unibody), aka wellspring4 */ 503 WSP_DEV(APPLE, WELLSPRING4_ANSI, WSP_FLAG_WELLSPRING4), 504 WSP_DEV(APPLE, WELLSPRING4_ISO, WSP_FLAG_WELLSPRING4), 505 WSP_DEV(APPLE, WELLSPRING4_JIS, WSP_FLAG_WELLSPRING4), 506 507 /* MacbookAir3,1 (unibody), aka wellspring4 */ 508 WSP_DEV(APPLE, WELLSPRING4A_ANSI, WSP_FLAG_WELLSPRING4A), 509 WSP_DEV(APPLE, WELLSPRING4A_ISO, WSP_FLAG_WELLSPRING4A), 510 WSP_DEV(APPLE, WELLSPRING4A_JIS, WSP_FLAG_WELLSPRING4A), 511 512 /* Macbook8 (unibody, March 2011) */ 513 WSP_DEV(APPLE, WELLSPRING5_ANSI, WSP_FLAG_WELLSPRING5), 514 WSP_DEV(APPLE, WELLSPRING5_ISO, WSP_FLAG_WELLSPRING5), 515 WSP_DEV(APPLE, WELLSPRING5_JIS, WSP_FLAG_WELLSPRING5), 516 517 /* MacbookAir4,1 (unibody, July 2011) */ 518 WSP_DEV(APPLE, WELLSPRING6A_ANSI, WSP_FLAG_WELLSPRING6A), 519 WSP_DEV(APPLE, WELLSPRING6A_ISO, WSP_FLAG_WELLSPRING6A), 520 WSP_DEV(APPLE, WELLSPRING6A_JIS, WSP_FLAG_WELLSPRING6A), 521 522 /* MacbookAir4,2 (unibody, July 2011) */ 523 WSP_DEV(APPLE, WELLSPRING6_ANSI, WSP_FLAG_WELLSPRING6), 524 WSP_DEV(APPLE, WELLSPRING6_ISO, WSP_FLAG_WELLSPRING6), 525 WSP_DEV(APPLE, WELLSPRING6_JIS, WSP_FLAG_WELLSPRING6), 526 527 /* Macbook8,2 (unibody) */ 528 WSP_DEV(APPLE, WELLSPRING5A_ANSI, WSP_FLAG_WELLSPRING5A), 529 WSP_DEV(APPLE, WELLSPRING5A_ISO, WSP_FLAG_WELLSPRING5A), 530 WSP_DEV(APPLE, WELLSPRING5A_JIS, WSP_FLAG_WELLSPRING5A), 531 532 /* MacbookPro10,1 (unibody, June 2012) */ 533 /* MacbookPro11,1-3 (unibody, June 2013) */ 534 WSP_DEV(APPLE, WELLSPRING7_ANSI, WSP_FLAG_WELLSPRING7), 535 WSP_DEV(APPLE, WELLSPRING7_ISO, WSP_FLAG_WELLSPRING7), 536 WSP_DEV(APPLE, WELLSPRING7_JIS, WSP_FLAG_WELLSPRING7), 537 538 /* MacbookPro10,2 (unibody, October 2012) */ 539 WSP_DEV(APPLE, WELLSPRING7A_ANSI, WSP_FLAG_WELLSPRING7A), 540 WSP_DEV(APPLE, WELLSPRING7A_ISO, WSP_FLAG_WELLSPRING7A), 541 WSP_DEV(APPLE, WELLSPRING7A_JIS, WSP_FLAG_WELLSPRING7A), 542 543 /* MacbookAir6,2 (unibody, June 2013) */ 544 WSP_DEV(APPLE, WELLSPRING8_ANSI, WSP_FLAG_WELLSPRING8), 545 WSP_DEV(APPLE, WELLSPRING8_ISO, WSP_FLAG_WELLSPRING8), 546 WSP_DEV(APPLE, WELLSPRING8_JIS, WSP_FLAG_WELLSPRING8), 547 548 /* MacbookPro12,1 MacbookPro11,4 */ 549 WSP_DEV(APPLE, WELLSPRING9_ANSI, WSP_FLAG_WELLSPRING9), 550 WSP_DEV(APPLE, WELLSPRING9_ISO, WSP_FLAG_WELLSPRING9), 551 WSP_DEV(APPLE, WELLSPRING9_JIS, WSP_FLAG_WELLSPRING9), 552 }; 553 554 #define WSP_FIFO_BUF_SIZE 8 /* bytes */ 555 #define WSP_FIFO_QUEUE_MAXLEN 50 /* units */ 556 557 enum { 558 WSP_INTR_DT, 559 WSP_N_TRANSFER, 560 }; 561 562 struct wsp_softc { 563 struct usb_device *sc_usb_device; 564 struct mtx sc_mutex; /* for synchronization */ 565 struct usb_xfer *sc_xfer[WSP_N_TRANSFER]; 566 struct usb_fifo_sc sc_fifo; 567 568 const struct wsp_dev_params *sc_params; /* device configuration */ 569 570 #ifdef EVDEV_SUPPORT 571 struct evdev_dev *sc_evdev; 572 #endif 573 mousehw_t sc_hw; 574 mousemode_t sc_mode; 575 u_int sc_pollrate; 576 mousestatus_t sc_status; 577 int sc_fflags; 578 u_int sc_state; 579 #define WSP_ENABLED 0x01 580 #define WSP_EVDEV_OPENED 0x02 581 582 struct tp_finger *index[MAX_FINGERS]; /* finger index data */ 583 int16_t pos_x[MAX_FINGERS]; /* position array */ 584 int16_t pos_y[MAX_FINGERS]; /* position array */ 585 int16_t pre_pos_x[MAX_FINGERS]; /* previous position array */ 586 int16_t pre_pos_y[MAX_FINGERS]; /* previous position array */ 587 u_int sc_touch; /* touch status */ 588 #define WSP_UNTOUCH 0x00 589 #define WSP_FIRST_TOUCH 0x01 590 #define WSP_SECOND_TOUCH 0x02 591 #define WSP_TOUCHING 0x04 592 int dx_sum; /* x axis cumulative movement */ 593 int dy_sum; /* y axis cumulative movement */ 594 int dz_sum; /* z axis cumulative movement */ 595 int dz_count; 596 #define WSP_DZ_MAX_COUNT 32 597 int dt_sum; /* T-axis cumulative movement */ 598 int rdx; /* x axis remainder of divide by scale_factor */ 599 int rdy; /* y axis remainder of divide by scale_factor */ 600 int rdz; /* z axis remainder of divide by scale_factor */ 601 int tp_datalen; 602 uint8_t o_ntouch; /* old touch finger status */ 603 uint8_t finger; /* 0 or 1 *, check which finger moving */ 604 uint16_t intr_count; 605 #define WSP_TAP_THRESHOLD 3 606 #define WSP_TAP_MAX_COUNT 20 607 int distance; /* the distance of 2 fingers */ 608 uint8_t ibtn; /* button status in tapping */ 609 uint8_t ntaps; /* finger status in tapping */ 610 uint8_t scr_mode; /* scroll status in movement */ 611 #define WSP_SCR_NONE 0 612 #define WSP_SCR_VER 1 613 #define WSP_SCR_HOR 2 614 uint8_t tp_data[WSP_BUFFER_MAX] __aligned(4); /* trackpad transferred data */ 615 }; 616 617 /* 618 * function prototypes 619 */ 620 static usb_fifo_cmd_t wsp_fifo_start_read; 621 static usb_fifo_cmd_t wsp_fifo_stop_read; 622 static usb_fifo_open_t wsp_open; 623 static usb_fifo_close_t wsp_close; 624 static usb_fifo_ioctl_t wsp_ioctl; 625 626 static struct usb_fifo_methods wsp_fifo_methods = { 627 .f_open = &wsp_open, 628 .f_close = &wsp_close, 629 .f_ioctl = &wsp_ioctl, 630 .f_start_read = &wsp_fifo_start_read, 631 .f_stop_read = &wsp_fifo_stop_read, 632 .basename[0] = WSP_DRIVER_NAME, 633 }; 634 635 #ifdef EVDEV_SUPPORT 636 static evdev_open_t wsp_ev_open; 637 static evdev_close_t wsp_ev_close; 638 static const struct evdev_methods wsp_evdev_methods = { 639 .ev_open = &wsp_ev_open, 640 .ev_close = &wsp_ev_close, 641 }; 642 #endif 643 644 /* device initialization and shutdown */ 645 static int wsp_enable(struct wsp_softc *sc); 646 static void wsp_disable(struct wsp_softc *sc); 647 648 /* updating fifo */ 649 static void wsp_reset_buf(struct wsp_softc *sc); 650 static void wsp_add_to_queue(struct wsp_softc *, int, int, int, uint32_t); 651 652 /* Device methods. */ 653 static device_probe_t wsp_probe; 654 static device_attach_t wsp_attach; 655 static device_detach_t wsp_detach; 656 static usb_callback_t wsp_intr_callback; 657 658 static const struct usb_config wsp_config[WSP_N_TRANSFER] = { 659 [WSP_INTR_DT] = { 660 .type = UE_INTERRUPT, 661 .endpoint = UE_ADDR_ANY, 662 .direction = UE_DIR_IN, 663 .flags = { 664 .pipe_bof = 0, 665 .short_xfer_ok = 1, 666 }, 667 .bufsize = WSP_BUFFER_MAX, 668 .callback = &wsp_intr_callback, 669 }, 670 }; 671 672 static usb_error_t 673 wsp_set_device_mode(struct wsp_softc *sc, uint8_t on) 674 { 675 const struct wsp_dev_params *params = sc->sc_params; 676 uint8_t mode_bytes[8]; 677 usb_error_t err; 678 679 /* Type 3 does not require a mode switch */ 680 if (params->tp == wsp_tp + TYPE3) 681 return 0; 682 683 err = usbd_req_get_report(sc->sc_usb_device, NULL, 684 mode_bytes, params->tp->um_size, params->tp->iface_index, 685 UHID_FEATURE_REPORT, params->tp->um_req_idx); 686 687 if (err != USB_ERR_NORMAL_COMPLETION) { 688 DPRINTF("Failed to read device mode (%d)\n", err); 689 return (err); 690 } 691 692 /* 693 * XXX Need to wait at least 250ms for hardware to get 694 * ready. The device mode handling appears to be handled 695 * asynchronously and we should not issue these commands too 696 * quickly. 697 */ 698 pause("WHW", hz / 4); 699 700 mode_bytes[params->tp->um_switch_idx] = 701 on ? params->tp->um_switch_on : params->tp->um_switch_off; 702 703 return (usbd_req_set_report(sc->sc_usb_device, NULL, 704 mode_bytes, params->tp->um_size, params->tp->iface_index, 705 UHID_FEATURE_REPORT, params->tp->um_req_idx)); 706 } 707 708 static int 709 wsp_enable(struct wsp_softc *sc) 710 { 711 /* reset status */ 712 memset(&sc->sc_status, 0, sizeof(sc->sc_status)); 713 sc->sc_state |= WSP_ENABLED; 714 715 DPRINTFN(WSP_LLEVEL_INFO, "enabled wsp\n"); 716 return (0); 717 } 718 719 static void 720 wsp_disable(struct wsp_softc *sc) 721 { 722 sc->sc_state &= ~WSP_ENABLED; 723 DPRINTFN(WSP_LLEVEL_INFO, "disabled wsp\n"); 724 } 725 726 static int 727 wsp_probe(device_t self) 728 { 729 struct usb_attach_arg *uaa = device_get_ivars(self); 730 struct usb_interface_descriptor *id; 731 struct usb_interface *iface; 732 uint8_t i; 733 734 if (uaa->usb_mode != USB_MODE_HOST) 735 return (ENXIO); 736 737 /* figure out first interface matching */ 738 for (i = 1;; i++) { 739 iface = usbd_get_iface(uaa->device, i); 740 if (iface == NULL || i == 3) 741 return (ENXIO); 742 id = iface->idesc; 743 if ((id == NULL) || 744 (id->bInterfaceClass != UICLASS_HID) || 745 (id->bInterfaceProtocol != 0 && 746 id->bInterfaceProtocol != UIPROTO_MOUSE)) 747 continue; 748 break; 749 } 750 /* check if we are attaching to the first match */ 751 if (uaa->info.bIfaceIndex != i) 752 return (ENXIO); 753 if (usbd_lookup_id_by_uaa(wsp_devs, sizeof(wsp_devs), uaa) != 0) 754 return (ENXIO); 755 756 return (BUS_PROBE_DEFAULT); 757 } 758 759 static int 760 wsp_attach(device_t dev) 761 { 762 struct wsp_softc *sc = device_get_softc(dev); 763 struct usb_attach_arg *uaa = device_get_ivars(dev); 764 usb_error_t err; 765 void *d_ptr = NULL; 766 uint16_t d_len; 767 768 DPRINTFN(WSP_LLEVEL_INFO, "sc=%p\n", sc); 769 770 /* Get HID descriptor */ 771 err = usbd_req_get_hid_desc(uaa->device, NULL, &d_ptr, 772 &d_len, M_TEMP, uaa->info.bIfaceIndex); 773 774 if (err == USB_ERR_NORMAL_COMPLETION) { 775 /* Get HID report descriptor length */ 776 sc->tp_datalen = hid_report_size_max(d_ptr, d_len, hid_input, 777 NULL); 778 free(d_ptr, M_TEMP); 779 780 if (sc->tp_datalen <= 0 || sc->tp_datalen > WSP_BUFFER_MAX) { 781 DPRINTF("Invalid datalength or too big " 782 "datalength: %d\n", sc->tp_datalen); 783 return (ENXIO); 784 } 785 } else { 786 return (ENXIO); 787 } 788 789 sc->sc_usb_device = uaa->device; 790 791 /* get device specific configuration */ 792 sc->sc_params = wsp_dev_params + USB_GET_DRIVER_INFO(uaa); 793 794 /* 795 * By default the touchpad behaves like a HID device, sending 796 * packets with reportID = 8. Such reports contain only 797 * limited information. They encode movement deltas and button 798 * events, but do not include data from the pressure 799 * sensors. The device input mode can be switched from HID 800 * reports to raw sensor data using vendor-specific USB 801 * control commands: 802 */ 803 804 /* 805 * During re-enumeration of the device we need to force the 806 * device back into HID mode before switching it to RAW 807 * mode. Else the device does not work like expected. 808 */ 809 err = wsp_set_device_mode(sc, 0); 810 if (err != USB_ERR_NORMAL_COMPLETION) { 811 DPRINTF("Failed to set mode to HID MODE (%d)\n", err); 812 return (ENXIO); 813 } 814 815 err = wsp_set_device_mode(sc, 1); 816 if (err != USB_ERR_NORMAL_COMPLETION) { 817 DPRINTF("failed to set mode to RAW MODE (%d)\n", err); 818 return (ENXIO); 819 } 820 821 mtx_init(&sc->sc_mutex, "wspmtx", NULL, MTX_DEF | MTX_RECURSE); 822 823 err = usbd_transfer_setup(uaa->device, 824 &uaa->info.bIfaceIndex, sc->sc_xfer, wsp_config, 825 WSP_N_TRANSFER, sc, &sc->sc_mutex); 826 if (err) { 827 DPRINTF("error=%s\n", usbd_errstr(err)); 828 goto detach; 829 } 830 if (usb_fifo_attach(sc->sc_usb_device, sc, &sc->sc_mutex, 831 &wsp_fifo_methods, &sc->sc_fifo, 832 device_get_unit(dev), -1, uaa->info.bIfaceIndex, 833 UID_ROOT, GID_OPERATOR, 0644)) { 834 goto detach; 835 } 836 device_set_usb_desc(dev); 837 838 sc->sc_hw.buttons = 3; 839 sc->sc_hw.iftype = MOUSE_IF_USB; 840 sc->sc_hw.type = MOUSE_PAD; 841 sc->sc_hw.model = MOUSE_MODEL_GENERIC; 842 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 843 sc->sc_mode.rate = -1; 844 sc->sc_mode.resolution = MOUSE_RES_UNKNOWN; 845 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 846 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 847 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 848 849 sc->sc_touch = WSP_UNTOUCH; 850 sc->scr_mode = WSP_SCR_NONE; 851 852 #ifdef EVDEV_SUPPORT 853 sc->sc_evdev = evdev_alloc(); 854 evdev_set_name(sc->sc_evdev, device_get_desc(dev)); 855 evdev_set_phys(sc->sc_evdev, device_get_nameunit(dev)); 856 evdev_set_id(sc->sc_evdev, BUS_USB, uaa->info.idVendor, 857 uaa->info.idProduct, 0); 858 evdev_set_serial(sc->sc_evdev, usb_get_serial(uaa->device)); 859 evdev_set_methods(sc->sc_evdev, sc, &wsp_evdev_methods); 860 evdev_support_prop(sc->sc_evdev, INPUT_PROP_POINTER); 861 evdev_support_event(sc->sc_evdev, EV_SYN); 862 evdev_support_event(sc->sc_evdev, EV_ABS); 863 evdev_support_event(sc->sc_evdev, EV_KEY); 864 865 #define WSP_SUPPORT_ABS(evdev, code, param) \ 866 evdev_support_abs((evdev), (code), (param).min, (param).max, \ 867 ((param).max - (param).min) / (param).snratio, 0, \ 868 (param).size != 0 ? ((param).max - (param).min) / (param).size : 0); 869 870 /* finger position */ 871 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_POSITION_X, sc->sc_params->x); 872 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_POSITION_Y, sc->sc_params->y); 873 /* finger pressure */ 874 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_PRESSURE, sc->sc_params->p); 875 /* finger touch area */ 876 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_TOUCH_MAJOR, sc->sc_params->w); 877 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_TOUCH_MINOR, sc->sc_params->w); 878 /* finger approach area */ 879 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_WIDTH_MAJOR, sc->sc_params->w); 880 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_WIDTH_MINOR, sc->sc_params->w); 881 /* finger orientation */ 882 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_ORIENTATION, sc->sc_params->o); 883 /* button properties */ 884 evdev_support_key(sc->sc_evdev, BTN_LEFT); 885 if ((sc->sc_params->tp->caps & HAS_INTEGRATED_BUTTON) != 0) 886 evdev_support_prop(sc->sc_evdev, INPUT_PROP_BUTTONPAD); 887 /* Enable automatic touch assignment for type B MT protocol */ 888 evdev_support_abs(sc->sc_evdev, ABS_MT_SLOT, 889 0, MAX_FINGERS - 1, 0, 0, 0); 890 evdev_support_abs(sc->sc_evdev, ABS_MT_TRACKING_ID, 891 -1, MAX_FINGERS - 1, 0, 0, 0); 892 evdev_set_flag(sc->sc_evdev, EVDEV_FLAG_MT_TRACK); 893 evdev_set_flag(sc->sc_evdev, EVDEV_FLAG_MT_AUTOREL); 894 /* Synaptics compatibility events */ 895 evdev_set_flag(sc->sc_evdev, EVDEV_FLAG_MT_STCOMPAT); 896 897 err = evdev_register(sc->sc_evdev); 898 if (err) 899 goto detach; 900 #endif 901 902 return (0); 903 904 detach: 905 wsp_detach(dev); 906 return (ENOMEM); 907 } 908 909 static int 910 wsp_detach(device_t dev) 911 { 912 struct wsp_softc *sc = device_get_softc(dev); 913 914 (void) wsp_set_device_mode(sc, 0); 915 916 mtx_lock(&sc->sc_mutex); 917 if (sc->sc_state & WSP_ENABLED) 918 wsp_disable(sc); 919 mtx_unlock(&sc->sc_mutex); 920 921 usb_fifo_detach(&sc->sc_fifo); 922 923 #ifdef EVDEV_SUPPORT 924 evdev_free(sc->sc_evdev); 925 #endif 926 927 usbd_transfer_unsetup(sc->sc_xfer, WSP_N_TRANSFER); 928 929 mtx_destroy(&sc->sc_mutex); 930 931 return (0); 932 } 933 934 static void 935 wsp_intr_callback(struct usb_xfer *xfer, usb_error_t error) 936 { 937 struct wsp_softc *sc = usbd_xfer_softc(xfer); 938 const struct wsp_dev_params *params = sc->sc_params; 939 struct usb_page_cache *pc; 940 struct tp_finger *f; 941 struct wsp_tuning tun = wsp_tuning; 942 int ntouch = 0; /* the finger number in touch */ 943 int ibt = 0; /* button status */ 944 int dx = 0; 945 int dy = 0; 946 int dz = 0; 947 int rdx = 0; 948 int rdy = 0; 949 int rdz = 0; 950 int len; 951 int i; 952 #ifdef EVDEV_SUPPORT 953 int slot = 0; 954 #endif 955 956 wsp_runing_rangecheck(&tun); 957 958 if (sc->dz_count == 0) 959 sc->dz_count = WSP_DZ_MAX_COUNT; 960 961 usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 962 963 switch (USB_GET_STATE(xfer)) { 964 case USB_ST_TRANSFERRED: 965 966 /* copy out received data */ 967 pc = usbd_xfer_get_frame(xfer, 0); 968 usbd_copy_out(pc, 0, sc->tp_data, len); 969 970 if ((len < params->tp->offset + params->tp->fsize) || 971 ((len - params->tp->offset) % params->tp->fsize) != 0) { 972 DPRINTFN(WSP_LLEVEL_INFO, "Invalid length: %d, %x, %x\n", 973 len, sc->tp_data[0], sc->tp_data[1]); 974 goto tr_setup; 975 } 976 977 if (len < sc->tp_datalen) { 978 /* make sure we don't process old data */ 979 memset(sc->tp_data + len, 0, sc->tp_datalen - len); 980 } 981 982 if (params->tp != wsp_tp + TYPE1) { 983 ibt = sc->tp_data[params->tp->button]; 984 ntouch = sc->tp_data[params->tp->button - 1]; 985 } else 986 ntouch = (len - params->tp->offset) / params->tp->fsize; 987 988 /* range check */ 989 if (ntouch < 0) 990 ntouch = 0; 991 else if (ntouch > MAX_FINGERS) 992 ntouch = MAX_FINGERS; 993 994 for (i = 0; i != ntouch; i++) { 995 f = (struct tp_finger *)(sc->tp_data + params->tp->offset + params->tp->delta + i * params->tp->fsize); 996 /* swap endianness, if any */ 997 if (le16toh(0x1234) != 0x1234) { 998 f->origin = le16toh((uint16_t)f->origin); 999 f->abs_x = le16toh((uint16_t)f->abs_x); 1000 f->abs_y = le16toh((uint16_t)f->abs_y); 1001 f->rel_x = le16toh((uint16_t)f->rel_x); 1002 f->rel_y = le16toh((uint16_t)f->rel_y); 1003 f->tool_major = le16toh((uint16_t)f->tool_major); 1004 f->tool_minor = le16toh((uint16_t)f->tool_minor); 1005 f->orientation = le16toh((uint16_t)f->orientation); 1006 f->touch_major = le16toh((uint16_t)f->touch_major); 1007 f->touch_minor = le16toh((uint16_t)f->touch_minor); 1008 f->pressure = le16toh((uint16_t)f->pressure); 1009 f->multi = le16toh((uint16_t)f->multi); 1010 } 1011 DPRINTFN(WSP_LLEVEL_INFO, 1012 "[%d]ibt=%d, taps=%d, o=%4d, ax=%5d, ay=%5d, " 1013 "rx=%5d, ry=%5d, tlmaj=%4d, tlmin=%4d, ot=%4x, " 1014 "tchmaj=%4d, tchmin=%4d, presure=%4d, m=%4x\n", 1015 i, ibt, ntouch, f->origin, f->abs_x, f->abs_y, 1016 f->rel_x, f->rel_y, f->tool_major, f->tool_minor, f->orientation, 1017 f->touch_major, f->touch_minor, f->pressure, f->multi); 1018 sc->pos_x[i] = f->abs_x; 1019 sc->pos_y[i] = -f->abs_y; 1020 sc->index[i] = f; 1021 #ifdef EVDEV_SUPPORT 1022 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE && f->touch_major != 0) { 1023 union evdev_mt_slot slot_data = { 1024 .id = slot, 1025 .x = f->abs_x, 1026 .y = params->y.min + params->y.max - f->abs_y, 1027 .p = f->pressure, 1028 .maj = f->touch_major << 1, 1029 .min = f->touch_minor << 1, 1030 .w_maj = f->tool_major << 1, 1031 .w_min = f->tool_minor << 1, 1032 .ori = params->o.max - f->orientation, 1033 }; 1034 evdev_mt_push_slot(sc->sc_evdev, slot, &slot_data); 1035 slot++; 1036 } 1037 #endif 1038 } 1039 1040 #ifdef EVDEV_SUPPORT 1041 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 1042 evdev_push_key(sc->sc_evdev, BTN_LEFT, ibt); 1043 evdev_sync(sc->sc_evdev); 1044 } 1045 #endif 1046 sc->sc_status.flags &= ~MOUSE_POSCHANGED; 1047 sc->sc_status.flags &= ~MOUSE_STDBUTTONSCHANGED; 1048 sc->sc_status.obutton = sc->sc_status.button; 1049 sc->sc_status.button = 0; 1050 1051 if (ntouch == 2) { 1052 sc->distance = max(sc->distance, max( 1053 abs(sc->pos_x[0] - sc->pos_x[1]), 1054 abs(sc->pos_y[0] - sc->pos_y[1]))); 1055 } 1056 1057 if (ibt != 0) { 1058 if (params->tp->caps & HAS_INTEGRATED_BUTTON) { 1059 switch (ntouch) { 1060 case 1: 1061 sc->sc_status.button |= MOUSE_BUTTON1DOWN; 1062 break; 1063 case 2: 1064 if (sc->distance < tun.max_double_tap_distance && abs(sc->dx_sum) < 5 && 1065 abs(sc->dy_sum) < 5) 1066 sc->sc_status.button |= MOUSE_BUTTON3DOWN; 1067 else 1068 sc->sc_status.button |= MOUSE_BUTTON1DOWN; 1069 break; 1070 case 3: 1071 sc->sc_status.button |= MOUSE_BUTTON2DOWN; 1072 break; 1073 default: 1074 break; 1075 } 1076 } else { 1077 sc->sc_status.button |= MOUSE_BUTTON1DOWN; 1078 } 1079 1080 sc->ibtn = 1; 1081 } 1082 sc->intr_count++; 1083 1084 if (sc->ntaps < ntouch) { 1085 switch (ntouch) { 1086 case 1: 1087 if (sc->index[0]->touch_major > tun.pressure_tap_threshold && 1088 sc->index[0]->tool_major <= tun.max_finger_area) 1089 sc->ntaps = 1; 1090 break; 1091 case 2: 1092 if (sc->index[0]->touch_major > tun.pressure_tap_threshold-30 && 1093 sc->index[1]->touch_major > tun.pressure_tap_threshold-30) 1094 sc->ntaps = 2; 1095 break; 1096 case 3: 1097 if (sc->index[0]->touch_major > tun.pressure_tap_threshold-40 && 1098 sc->index[1]->touch_major > tun.pressure_tap_threshold-40 && 1099 sc->index[2]->touch_major > tun.pressure_tap_threshold-40) 1100 sc->ntaps = 3; 1101 break; 1102 default: 1103 break; 1104 } 1105 } 1106 1107 if (sc->index[0]->touch_major < tun.pressure_untouch_threshold && 1108 sc->sc_status.button == 0) { 1109 sc->sc_touch = WSP_UNTOUCH; 1110 if (sc->intr_count < WSP_TAP_MAX_COUNT && 1111 sc->intr_count > WSP_TAP_THRESHOLD && 1112 sc->ntaps && sc->ibtn == 0) { 1113 /* 1114 * Add a pair of events (button-down and 1115 * button-up). 1116 */ 1117 switch (sc->ntaps) { 1118 case 1: 1119 if (!(params->tp->caps & HAS_INTEGRATED_BUTTON) || tun.enable_single_tap_clicks) { 1120 wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON1DOWN); 1121 DPRINTFN(WSP_LLEVEL_INFO, "LEFT CLICK!\n"); 1122 } 1123 break; 1124 case 2: 1125 DPRINTFN(WSP_LLEVEL_INFO, "sum_x=%5d, sum_y=%5d\n", 1126 sc->dx_sum, sc->dy_sum); 1127 if (sc->distance < tun.max_double_tap_distance && abs(sc->dx_sum) < 5 && 1128 abs(sc->dy_sum) < 5) { 1129 wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON3DOWN); 1130 DPRINTFN(WSP_LLEVEL_INFO, "RIGHT CLICK!\n"); 1131 } 1132 break; 1133 case 3: 1134 wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON2DOWN); 1135 break; 1136 default: 1137 /* we don't handle taps of more than three fingers */ 1138 break; 1139 } 1140 wsp_add_to_queue(sc, 0, 0, 0, 0); /* button release */ 1141 } 1142 if ((sc->dt_sum / tun.scr_hor_threshold) != 0 && 1143 sc->ntaps == 2 && sc->scr_mode == WSP_SCR_HOR) { 1144 /* 1145 * translate T-axis into button presses 1146 * until further 1147 */ 1148 if (sc->dt_sum > 0) 1149 wsp_add_to_queue(sc, 0, 0, 0, 1UL << 3); 1150 else if (sc->dt_sum < 0) 1151 wsp_add_to_queue(sc, 0, 0, 0, 1UL << 4); 1152 } 1153 sc->dz_count = WSP_DZ_MAX_COUNT; 1154 sc->dz_sum = 0; 1155 sc->intr_count = 0; 1156 sc->ibtn = 0; 1157 sc->ntaps = 0; 1158 sc->finger = 0; 1159 sc->distance = 0; 1160 sc->dt_sum = 0; 1161 sc->dx_sum = 0; 1162 sc->dy_sum = 0; 1163 sc->rdx = 0; 1164 sc->rdy = 0; 1165 sc->rdz = 0; 1166 sc->scr_mode = WSP_SCR_NONE; 1167 } else if (sc->index[0]->touch_major >= tun.pressure_touch_threshold && 1168 sc->sc_touch == WSP_UNTOUCH) { /* ignore first touch */ 1169 sc->sc_touch = WSP_FIRST_TOUCH; 1170 } else if (sc->index[0]->touch_major >= tun.pressure_touch_threshold && 1171 sc->sc_touch == WSP_FIRST_TOUCH) { /* ignore second touch */ 1172 sc->sc_touch = WSP_SECOND_TOUCH; 1173 DPRINTFN(WSP_LLEVEL_INFO, "First pre_x[0]=%5d, pre_y[0]=%5d\n", 1174 sc->pre_pos_x[0], sc->pre_pos_y[0]); 1175 } else { 1176 if (sc->sc_touch == WSP_SECOND_TOUCH) 1177 sc->sc_touch = WSP_TOUCHING; 1178 1179 if (ntouch != 0 && 1180 sc->index[0]->touch_major >= tun.pressure_touch_threshold) { 1181 dx = sc->pos_x[0] - sc->pre_pos_x[0]; 1182 dy = sc->pos_y[0] - sc->pre_pos_y[0]; 1183 1184 /* Optionally ignore movement during button is releasing */ 1185 if (tun.enable_single_tap_movement != 1 && sc->ibtn != 0 && sc->sc_status.button == 0) 1186 dx = dy = 0; 1187 1188 /* Ignore movement if ntouch changed */ 1189 if (sc->o_ntouch != ntouch) 1190 dx = dy = 0; 1191 1192 /* Ignore unexpected movement when typing (palm detection) */ 1193 if (ntouch == 1 && sc->index[0]->tool_major > tun.max_finger_area) 1194 dx = dy = 0; 1195 1196 if (sc->ibtn != 0 && ntouch == 1 && 1197 sc->intr_count < WSP_TAP_MAX_COUNT && 1198 abs(sc->dx_sum) < 1 && abs(sc->dy_sum) < 1 ) 1199 dx = dy = 0; 1200 1201 if (ntouch == 2 && sc->sc_status.button != 0) { 1202 dx = sc->pos_x[sc->finger] - sc->pre_pos_x[sc->finger]; 1203 dy = sc->pos_y[sc->finger] - sc->pre_pos_y[sc->finger]; 1204 1205 /* 1206 * Ignore movement of switch finger or 1207 * movement from ibt=0 to ibt=1 1208 */ 1209 if (sc->index[0]->origin == 0 || sc->index[1]->origin == 0 || 1210 sc->sc_status.obutton != sc->sc_status.button) { 1211 dx = dy = 0; 1212 sc->finger = 0; 1213 } 1214 if ((abs(sc->index[0]->rel_x) + abs(sc->index[0]->rel_y)) < 1215 (abs(sc->index[1]->rel_x) + abs(sc->index[1]->rel_y)) && 1216 sc->finger == 0) { 1217 sc->sc_touch = WSP_SECOND_TOUCH; 1218 dx = dy = 0; 1219 sc->finger = 1; 1220 } 1221 if ((abs(sc->index[0]->rel_x) + abs(sc->index[0]->rel_y)) >= 1222 (abs(sc->index[1]->rel_x) + abs(sc->index[1]->rel_y)) && 1223 sc->finger == 1) { 1224 sc->sc_touch = WSP_SECOND_TOUCH; 1225 dx = dy = 0; 1226 sc->finger = 0; 1227 } 1228 DPRINTFN(WSP_LLEVEL_INFO, "dx=%5d, dy=%5d, mov=%5d\n", 1229 dx, dy, sc->finger); 1230 } 1231 if (sc->dz_count--) { 1232 rdz = (dy + sc->rdz) % tun.scale_factor; 1233 sc->dz_sum -= (dy + sc->rdz) / tun.scale_factor; 1234 sc->rdz = rdz; 1235 } 1236 if ((sc->dz_sum / tun.z_factor) != 0) 1237 sc->dz_count = 0; 1238 } 1239 rdx = (dx + sc->rdx) % tun.scale_factor; 1240 dx = (dx + sc->rdx) / tun.scale_factor; 1241 sc->rdx = rdx; 1242 1243 rdy = (dy + sc->rdy) % tun.scale_factor; 1244 dy = (dy + sc->rdy) / tun.scale_factor; 1245 sc->rdy = rdy; 1246 1247 sc->dx_sum += dx; 1248 sc->dy_sum += dy; 1249 1250 if (ntouch == 2 && sc->sc_status.button == 0) { 1251 if (sc->scr_mode == WSP_SCR_NONE && 1252 abs(sc->dx_sum) + abs(sc->dy_sum) > tun.scr_hor_threshold) 1253 sc->scr_mode = abs(sc->dx_sum) > 1254 abs(sc->dy_sum) * 2 ? WSP_SCR_HOR : WSP_SCR_VER; 1255 DPRINTFN(WSP_LLEVEL_INFO, "scr_mode=%5d, count=%d, dx_sum=%d, dy_sum=%d\n", 1256 sc->scr_mode, sc->intr_count, sc->dx_sum, sc->dy_sum); 1257 if (sc->scr_mode == WSP_SCR_HOR) 1258 sc->dt_sum += dx; 1259 else 1260 sc->dt_sum = 0; 1261 1262 dx = dy = 0; 1263 if (sc->dz_count == 0) 1264 dz = (sc->dz_sum / tun.z_factor) * (tun.z_invert ? -1 : 1); 1265 if (sc->scr_mode == WSP_SCR_HOR || sc->distance > tun.max_double_tap_distance) 1266 dz = 0; 1267 } 1268 if (ntouch == 3) 1269 dx = dy = dz = 0; 1270 if (sc->intr_count < WSP_TAP_MAX_COUNT && 1271 abs(dx) < 3 && abs(dy) < 3 && abs(dz) < 3) 1272 dx = dy = dz = 0; 1273 else 1274 sc->intr_count = WSP_TAP_MAX_COUNT; 1275 if (dx || dy || dz) 1276 sc->sc_status.flags |= MOUSE_POSCHANGED; 1277 DPRINTFN(WSP_LLEVEL_INFO, "dx=%5d, dy=%5d, dz=%5d, sc_touch=%x, btn=%x\n", 1278 dx, dy, dz, sc->sc_touch, sc->sc_status.button); 1279 sc->sc_status.dx += dx; 1280 sc->sc_status.dy += dy; 1281 sc->sc_status.dz += dz; 1282 1283 wsp_add_to_queue(sc, dx, -dy, dz, sc->sc_status.button); 1284 if (sc->dz_count == 0) { 1285 sc->dz_sum = 0; 1286 sc->rdz = 0; 1287 } 1288 } 1289 sc->pre_pos_x[0] = sc->pos_x[0]; 1290 sc->pre_pos_y[0] = sc->pos_y[0]; 1291 1292 if (ntouch == 2 && sc->sc_status.button != 0) { 1293 sc->pre_pos_x[sc->finger] = sc->pos_x[sc->finger]; 1294 sc->pre_pos_y[sc->finger] = sc->pos_y[sc->finger]; 1295 } 1296 sc->o_ntouch = ntouch; 1297 1298 case USB_ST_SETUP: 1299 tr_setup: 1300 /* check if we can put more data into the FIFO */ 1301 if (usb_fifo_put_bytes_max( 1302 sc->sc_fifo.fp[USB_FIFO_RX]) != 0) { 1303 usbd_xfer_set_frame_len(xfer, 0, 1304 sc->tp_datalen); 1305 usbd_transfer_submit(xfer); 1306 } 1307 break; 1308 1309 default: /* Error */ 1310 if (error != USB_ERR_CANCELLED) { 1311 /* try clear stall first */ 1312 usbd_xfer_set_stall(xfer); 1313 goto tr_setup; 1314 } 1315 break; 1316 } 1317 } 1318 1319 static void 1320 wsp_add_to_queue(struct wsp_softc *sc, int dx, int dy, int dz, 1321 uint32_t buttons_in) 1322 { 1323 uint32_t buttons_out; 1324 uint8_t buf[8]; 1325 1326 dx = imin(dx, 254); 1327 dx = imax(dx, -256); 1328 dy = imin(dy, 254); 1329 dy = imax(dy, -256); 1330 dz = imin(dz, 126); 1331 dz = imax(dz, -128); 1332 1333 buttons_out = MOUSE_MSC_BUTTONS; 1334 if (buttons_in & MOUSE_BUTTON1DOWN) 1335 buttons_out &= ~MOUSE_MSC_BUTTON1UP; 1336 else if (buttons_in & MOUSE_BUTTON2DOWN) 1337 buttons_out &= ~MOUSE_MSC_BUTTON2UP; 1338 else if (buttons_in & MOUSE_BUTTON3DOWN) 1339 buttons_out &= ~MOUSE_MSC_BUTTON3UP; 1340 1341 /* Encode the mouse data in standard format; refer to mouse(4) */ 1342 buf[0] = sc->sc_mode.syncmask[1]; 1343 buf[0] |= buttons_out; 1344 buf[1] = dx >> 1; 1345 buf[2] = dy >> 1; 1346 buf[3] = dx - (dx >> 1); 1347 buf[4] = dy - (dy >> 1); 1348 /* Encode extra bytes for level 1 */ 1349 if (sc->sc_mode.level == 1) { 1350 buf[5] = dz >> 1; /* dz / 2 */ 1351 buf[6] = dz - (dz >> 1);/* dz - (dz / 2) */ 1352 buf[7] = (((~buttons_in) >> 3) & MOUSE_SYS_EXTBUTTONS); 1353 } 1354 usb_fifo_put_data_linear(sc->sc_fifo.fp[USB_FIFO_RX], buf, 1355 sc->sc_mode.packetsize, 1); 1356 } 1357 1358 static void 1359 wsp_reset_buf(struct wsp_softc *sc) 1360 { 1361 /* reset read queue */ 1362 usb_fifo_reset(sc->sc_fifo.fp[USB_FIFO_RX]); 1363 } 1364 1365 static void 1366 wsp_start_read(struct wsp_softc *sc) 1367 { 1368 int rate; 1369 1370 /* Check if we should override the default polling interval */ 1371 rate = sc->sc_pollrate; 1372 /* Range check rate */ 1373 if (rate > 1000) 1374 rate = 1000; 1375 /* Check for set rate */ 1376 if ((rate > 0) && (sc->sc_xfer[WSP_INTR_DT] != NULL)) { 1377 /* Stop current transfer, if any */ 1378 usbd_transfer_stop(sc->sc_xfer[WSP_INTR_DT]); 1379 /* Set new interval */ 1380 usbd_xfer_set_interval(sc->sc_xfer[WSP_INTR_DT], 1000 / rate); 1381 /* Only set pollrate once */ 1382 sc->sc_pollrate = 0; 1383 } 1384 usbd_transfer_start(sc->sc_xfer[WSP_INTR_DT]); 1385 } 1386 1387 static void 1388 wsp_stop_read(struct wsp_softc *sc) 1389 { 1390 usbd_transfer_stop(sc->sc_xfer[WSP_INTR_DT]); 1391 } 1392 1393 static int 1394 wsp_open(struct usb_fifo *fifo, int fflags) 1395 { 1396 struct wsp_softc *sc = usb_fifo_softc(fifo); 1397 int rc = 0; 1398 1399 DPRINTFN(WSP_LLEVEL_INFO, "\n"); 1400 1401 if (sc->sc_fflags & fflags) 1402 return (EBUSY); 1403 1404 if (fflags & FREAD) { 1405 if (usb_fifo_alloc_buffer(fifo, 1406 WSP_FIFO_BUF_SIZE, WSP_FIFO_QUEUE_MAXLEN)) { 1407 return (ENOMEM); 1408 } 1409 #ifdef EVDEV_SUPPORT 1410 if ((sc->sc_state & WSP_EVDEV_OPENED) == 0) 1411 #endif 1412 rc = wsp_enable(sc); 1413 if (rc != 0) { 1414 usb_fifo_free_buffer(fifo); 1415 return (rc); 1416 } 1417 } 1418 sc->sc_fflags |= fflags & (FREAD | FWRITE); 1419 return (0); 1420 } 1421 1422 static void 1423 wsp_close(struct usb_fifo *fifo, int fflags) 1424 { 1425 struct wsp_softc *sc = usb_fifo_softc(fifo); 1426 1427 if (fflags & FREAD) { 1428 #ifdef EVDEV_SUPPORT 1429 if ((sc->sc_state & WSP_EVDEV_OPENED) == 0) 1430 #endif 1431 wsp_disable(sc); 1432 usb_fifo_free_buffer(fifo); 1433 } 1434 1435 sc->sc_fflags &= ~(fflags & (FREAD | FWRITE)); 1436 } 1437 1438 static void 1439 wsp_fifo_start_read(struct usb_fifo *fifo) 1440 { 1441 struct wsp_softc *sc = usb_fifo_softc(fifo); 1442 1443 wsp_start_read(sc); 1444 } 1445 1446 static void 1447 wsp_fifo_stop_read(struct usb_fifo *fifo) 1448 { 1449 struct wsp_softc *sc = usb_fifo_softc(fifo); 1450 1451 #ifdef EVDEV_SUPPORT 1452 if ((sc->sc_state & WSP_EVDEV_OPENED) == 0) 1453 #endif 1454 wsp_stop_read(sc); 1455 } 1456 1457 #ifdef EVDEV_SUPPORT 1458 static int 1459 wsp_ev_open(struct evdev_dev *evdev) 1460 { 1461 struct wsp_softc *sc = evdev_get_softc(evdev); 1462 int rc = 0; 1463 1464 mtx_lock(&sc->sc_mutex); 1465 if (sc->sc_fflags == 0) 1466 rc = wsp_enable(sc); 1467 if (rc == 0) { 1468 wsp_start_read(sc); 1469 sc->sc_state |= WSP_EVDEV_OPENED; 1470 } 1471 mtx_unlock(&sc->sc_mutex); 1472 1473 return (rc); 1474 } 1475 1476 static int 1477 wsp_ev_close(struct evdev_dev *evdev) 1478 { 1479 struct wsp_softc *sc = evdev_get_softc(evdev); 1480 1481 mtx_lock(&sc->sc_mutex); 1482 sc->sc_state &= ~WSP_EVDEV_OPENED; 1483 if (sc->sc_fflags == 0) 1484 wsp_stop_read(sc); 1485 mtx_unlock(&sc->sc_mutex); 1486 1487 return (0); 1488 } 1489 #endif 1490 1491 int 1492 wsp_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags) 1493 { 1494 struct wsp_softc *sc = usb_fifo_softc(fifo); 1495 mousemode_t mode; 1496 int error = 0; 1497 1498 mtx_lock(&sc->sc_mutex); 1499 1500 switch (cmd) { 1501 case MOUSE_GETHWINFO: 1502 *(mousehw_t *)addr = sc->sc_hw; 1503 break; 1504 case MOUSE_GETMODE: 1505 *(mousemode_t *)addr = sc->sc_mode; 1506 break; 1507 case MOUSE_SETMODE: 1508 mode = *(mousemode_t *)addr; 1509 1510 if (mode.level == -1) 1511 /* Don't change the current setting */ 1512 ; 1513 else if ((mode.level < 0) || (mode.level > 1)) { 1514 error = EINVAL; 1515 goto done; 1516 } 1517 sc->sc_mode.level = mode.level; 1518 sc->sc_pollrate = mode.rate; 1519 sc->sc_hw.buttons = 3; 1520 1521 if (sc->sc_mode.level == 0) { 1522 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 1523 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 1524 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 1525 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 1526 } else if (sc->sc_mode.level == 1) { 1527 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE; 1528 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE; 1529 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK; 1530 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC; 1531 } 1532 wsp_reset_buf(sc); 1533 break; 1534 case MOUSE_GETLEVEL: 1535 *(int *)addr = sc->sc_mode.level; 1536 break; 1537 case MOUSE_SETLEVEL: 1538 if (*(int *)addr < 0 || *(int *)addr > 1) { 1539 error = EINVAL; 1540 goto done; 1541 } 1542 sc->sc_mode.level = *(int *)addr; 1543 sc->sc_hw.buttons = 3; 1544 1545 if (sc->sc_mode.level == 0) { 1546 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 1547 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 1548 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 1549 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 1550 } else if (sc->sc_mode.level == 1) { 1551 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE; 1552 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE; 1553 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK; 1554 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC; 1555 } 1556 wsp_reset_buf(sc); 1557 break; 1558 case MOUSE_GETSTATUS:{ 1559 mousestatus_t *status = (mousestatus_t *)addr; 1560 1561 *status = sc->sc_status; 1562 sc->sc_status.obutton = sc->sc_status.button; 1563 sc->sc_status.button = 0; 1564 sc->sc_status.dx = 0; 1565 sc->sc_status.dy = 0; 1566 sc->sc_status.dz = 0; 1567 1568 if (status->dx || status->dy || status->dz) 1569 status->flags |= MOUSE_POSCHANGED; 1570 if (status->button != status->obutton) 1571 status->flags |= MOUSE_BUTTONSCHANGED; 1572 break; 1573 } 1574 default: 1575 error = ENOTTY; 1576 } 1577 1578 done: 1579 mtx_unlock(&sc->sc_mutex); 1580 return (error); 1581 } 1582 1583 static device_method_t wsp_methods[] = { 1584 /* Device interface */ 1585 DEVMETHOD(device_probe, wsp_probe), 1586 DEVMETHOD(device_attach, wsp_attach), 1587 DEVMETHOD(device_detach, wsp_detach), 1588 DEVMETHOD_END 1589 }; 1590 1591 static driver_t wsp_driver = { 1592 .name = WSP_DRIVER_NAME, 1593 .methods = wsp_methods, 1594 .size = sizeof(struct wsp_softc) 1595 }; 1596 1597 DRIVER_MODULE(wsp, uhub, wsp_driver, NULL, NULL); 1598 MODULE_DEPEND(wsp, usb, 1, 1, 1); 1599 MODULE_DEPEND(wsp, hid, 1, 1, 1); 1600 #ifdef EVDEV_SUPPORT 1601 MODULE_DEPEND(wsp, evdev, 1, 1, 1); 1602 #endif 1603 MODULE_VERSION(wsp, 1); 1604 USB_PNP_HOST_INFO(wsp_devs); 1605