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