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 (0-3)"); 90 #endif /* USB_DEBUG */ 91 92 static struct wsp_tuning { 93 int scale_factor; 94 int scroll_finger_count; 95 int horizontal_swipe_finger_count; 96 int z_factor; 97 int z_invert; 98 int t_factor; 99 int t_invert; 100 int pressure_touch_threshold; 101 int pressure_untouch_threshold; 102 int pressure_tap_threshold; 103 int scr_threshold; 104 int max_finger_diameter; 105 int max_scroll_finger_distance; 106 int max_double_tap_distance; 107 int enable_single_tap_clicks; 108 int enable_single_tap_movement; 109 } 110 wsp_tuning = 111 { 112 .scale_factor = 12, 113 .scroll_finger_count = 2, 114 .horizontal_swipe_finger_count = 3, 115 .z_factor = 5, 116 .z_invert = 0, 117 .t_factor = 0, 118 .t_invert = 0, 119 .pressure_touch_threshold = 50, 120 .pressure_untouch_threshold = 10, 121 .pressure_tap_threshold = 120, 122 .scr_threshold = 20, 123 .max_finger_diameter = 1900, 124 .max_scroll_finger_distance = 8192, 125 .max_double_tap_distance = 2500, 126 .enable_single_tap_clicks = 1, 127 .enable_single_tap_movement = 1, 128 }; 129 130 static void 131 wsp_running_rangecheck(struct wsp_tuning *ptun) 132 { 133 WSP_CLAMP(ptun->scale_factor, 1, 63); 134 WSP_CLAMP(ptun->scroll_finger_count, 0, 3); 135 WSP_CLAMP(ptun->horizontal_swipe_finger_count, 0, 3); 136 WSP_CLAMP(ptun->z_factor, 0, 63); 137 WSP_CLAMP(ptun->z_invert, 0, 1); 138 WSP_CLAMP(ptun->t_factor, 0, 63); 139 WSP_CLAMP(ptun->t_invert, 0, 1); 140 WSP_CLAMP(ptun->pressure_touch_threshold, 1, 255); 141 WSP_CLAMP(ptun->pressure_untouch_threshold, 1, 255); 142 WSP_CLAMP(ptun->pressure_tap_threshold, 1, 255); 143 WSP_CLAMP(ptun->max_finger_diameter, 1, 2400); 144 WSP_CLAMP(ptun->max_scroll_finger_distance, 1, 16384); 145 WSP_CLAMP(ptun->max_double_tap_distance, 1, 16384); 146 WSP_CLAMP(ptun->scr_threshold, 1, 255); 147 WSP_CLAMP(ptun->enable_single_tap_clicks, 0, 1); 148 WSP_CLAMP(ptun->enable_single_tap_movement, 0, 1); 149 } 150 151 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, scale_factor, CTLFLAG_RWTUN, 152 &wsp_tuning.scale_factor, 0, "movement scale factor"); 153 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, scroll_finger_count, CTLFLAG_RWTUN, 154 &wsp_tuning.scroll_finger_count, 0, "amount of fingers to use scrolling gesture"); 155 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, horizontal_swipe_finger_count, CTLFLAG_RWTUN, 156 &wsp_tuning.horizontal_swipe_finger_count, 0, "amount of fingers to use horizontal swipe gesture"); 157 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, z_factor, CTLFLAG_RWTUN, 158 &wsp_tuning.z_factor, 0, "Z-axis (vertical) scale factor"); 159 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, z_invert, CTLFLAG_RWTUN, 160 &wsp_tuning.z_invert, 0, "enable (vertical) Z-axis inversion"); 161 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, t_factor, CTLFLAG_RWTUN, 162 &wsp_tuning.t_factor, 0, "T-axis (horizontal) scale factor"); 163 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, t_invert, CTLFLAG_RWTUN, 164 &wsp_tuning.t_invert, 0, "enable T-axis (horizontal) inversion"); 165 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_touch_threshold, CTLFLAG_RWTUN, 166 &wsp_tuning.pressure_touch_threshold, 0, "touch pressure threshold"); 167 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_untouch_threshold, CTLFLAG_RWTUN, 168 &wsp_tuning.pressure_untouch_threshold, 0, "untouch pressure threshold"); 169 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_tap_threshold, CTLFLAG_RWTUN, 170 &wsp_tuning.pressure_tap_threshold, 0, "tap pressure threshold"); 171 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, max_finger_diameter, CTLFLAG_RWTUN, 172 &wsp_tuning.max_finger_diameter, 0, "maximum finger diameter"); 173 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, max_scroll_finger_distance, CTLFLAG_RWTUN, 174 &wsp_tuning.max_scroll_finger_distance, 0, "maximum scroll finger distance"); 175 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, max_double_tap_distance, CTLFLAG_RWTUN, 176 &wsp_tuning.max_double_tap_distance, 0, "maximum double-finger click distance"); 177 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, scr_threshold, CTLFLAG_RWTUN, 178 &wsp_tuning.scr_threshold, 0, "scrolling threshold"); 179 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, enable_single_tap_clicks, CTLFLAG_RWTUN, 180 &wsp_tuning.enable_single_tap_clicks, 0, "enable single tap clicks"); 181 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, enable_single_tap_movement, CTLFLAG_RWTUN, 182 &wsp_tuning.enable_single_tap_movement, 0, "enable single tap movement"); 183 184 185 /* 186 * Some tables, structures, definitions and constant values for the 187 * touchpad protocol has been copied from Linux's 188 * "drivers/input/mouse/bcm5974.c" which has the following copyright 189 * holders under GPLv2. All device specific code in this driver has 190 * been written from scratch. The decoding algorithm is based on 191 * output from FreeBSD's usbdump. 192 * 193 * Copyright (C) 2008 Henrik Rydberg (rydberg@euromail.se) 194 * Copyright (C) 2008 Scott Shawcroft (scott.shawcroft@gmail.com) 195 * Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com) 196 * Copyright (C) 2005 Johannes Berg (johannes@sipsolutions.net) 197 * Copyright (C) 2005 Stelian Pop (stelian@popies.net) 198 * Copyright (C) 2005 Frank Arnold (frank@scirocco-5v-turbo.de) 199 * Copyright (C) 2005 Peter Osterlund (petero2@telia.com) 200 * Copyright (C) 2005 Michael Hanselmann (linux-kernel@hansmi.ch) 201 * Copyright (C) 2006 Nicolas Boichat (nicolas@boichat.ch) 202 */ 203 204 /* button data structure */ 205 struct bt_data { 206 uint8_t unknown1; /* constant */ 207 uint8_t button; /* left button */ 208 uint8_t rel_x; /* relative x coordinate */ 209 uint8_t rel_y; /* relative y coordinate */ 210 } __packed; 211 212 /* trackpad header types */ 213 enum tp_type { 214 TYPE1, /* plain trackpad */ 215 TYPE2, /* button integrated in trackpad */ 216 TYPE3, /* additional header fields since June 2013 */ 217 TYPE4, /* additional header field for pressure data */ 218 TYPE_CNT 219 }; 220 221 /* trackpad finger data offsets, le16-aligned */ 222 #define FINGER_TYPE1 (13 * 2) 223 #define FINGER_TYPE2 (15 * 2) 224 #define FINGER_TYPE3 (19 * 2) 225 #define FINGER_TYPE4 (23 * 2) 226 227 /* trackpad button data offsets */ 228 #define BUTTON_TYPE2 15 229 #define BUTTON_TYPE3 23 230 #define BUTTON_TYPE4 31 231 232 /* list of device capability bits */ 233 #define HAS_INTEGRATED_BUTTON 1 234 #define SUPPORTS_FORCETOUCH 2 235 236 /* trackpad finger data block size */ 237 #define FSIZE_TYPE1 (14 * 2) 238 #define FSIZE_TYPE2 (14 * 2) 239 #define FSIZE_TYPE3 (14 * 2) 240 #define FSIZE_TYPE4 (15 * 2) 241 242 struct wsp_tp { 243 uint8_t caps; /* device capability bitmask */ 244 uint8_t button; /* offset to button data */ 245 uint8_t offset; /* offset to trackpad finger data */ 246 uint8_t fsize; /* bytes in single finger block */ 247 uint8_t delta; /* offset from header to finger struct */ 248 uint8_t iface_index; 249 uint8_t um_size; /* usb control message length */ 250 uint8_t um_req_idx; /* usb control message index */ 251 uint8_t um_switch_idx; /* usb control message mode switch index */ 252 uint8_t um_switch_on; /* usb control message mode switch on */ 253 uint8_t um_switch_off; /* usb control message mode switch off */ 254 } const static wsp_tp[TYPE_CNT] = { 255 [TYPE1] = { 256 .caps = 0, 257 .button = 0, 258 .offset = FINGER_TYPE1, 259 .fsize = FSIZE_TYPE1, 260 .delta = 0, 261 .iface_index = 0, 262 .um_size = 8, 263 .um_req_idx = 0x00, 264 .um_switch_idx = 0, 265 .um_switch_on = 0x01, 266 .um_switch_off = 0x08, 267 }, 268 [TYPE2] = { 269 .caps = HAS_INTEGRATED_BUTTON, 270 .button = BUTTON_TYPE2, 271 .offset = FINGER_TYPE2, 272 .fsize = FSIZE_TYPE2, 273 .delta = 0, 274 .iface_index = 0, 275 .um_size = 8, 276 .um_req_idx = 0x00, 277 .um_switch_idx = 0, 278 .um_switch_on = 0x01, 279 .um_switch_off = 0x08, 280 }, 281 [TYPE3] = { 282 .caps = HAS_INTEGRATED_BUTTON, 283 .button = BUTTON_TYPE3, 284 .offset = FINGER_TYPE3, 285 .fsize = FSIZE_TYPE3, 286 .delta = 0, 287 }, 288 [TYPE4] = { 289 .caps = HAS_INTEGRATED_BUTTON | SUPPORTS_FORCETOUCH, 290 .button = BUTTON_TYPE4, 291 .offset = FINGER_TYPE4, 292 .fsize = FSIZE_TYPE4, 293 .delta = 2, 294 .iface_index = 2, 295 .um_size = 2, 296 .um_req_idx = 0x02, 297 .um_switch_idx = 1, 298 .um_switch_on = 0x01, 299 .um_switch_off = 0x00, 300 }, 301 }; 302 303 /* trackpad finger header - little endian */ 304 struct tp_header { 305 uint8_t flag; 306 uint8_t sn0; 307 uint16_t wFixed0; 308 uint32_t dwSn1; 309 uint32_t dwFixed1; 310 uint16_t wLength; 311 uint8_t nfinger; 312 uint8_t ibt; 313 int16_t wUnknown[6]; 314 uint8_t q1; 315 uint8_t q2; 316 } __packed; 317 318 /* trackpad finger structure - little endian */ 319 struct tp_finger { 320 int16_t origin; /* zero when switching track finger */ 321 int16_t abs_x; /* absolute x coodinate */ 322 int16_t abs_y; /* absolute y coodinate */ 323 int16_t rel_x; /* relative x coodinate */ 324 int16_t rel_y; /* relative y coodinate */ 325 int16_t tool_major; /* tool area, major axis */ 326 int16_t tool_minor; /* tool area, minor axis */ 327 int16_t orientation; /* 16384 when point, else 15 bit angle */ 328 int16_t touch_major; /* touch area, major axis */ 329 int16_t touch_minor; /* touch area, minor axis */ 330 int16_t unused[2]; /* zeros */ 331 int16_t pressure; /* pressure on forcetouch touchpad */ 332 int16_t multi; /* one finger: varies, more fingers: 333 * constant */ 334 } __packed; 335 336 /* trackpad finger data size, empirically at least ten fingers */ 337 #ifdef EVDEV_SUPPORT 338 #define MAX_FINGERS MAX_MT_SLOTS 339 #else 340 #define MAX_FINGERS 16 341 #endif 342 #define SIZEOF_FINGER sizeof(struct tp_finger) 343 #define SIZEOF_ALL_FINGERS (MAX_FINGERS * SIZEOF_FINGER) 344 #define MAX_FINGER_ORIENTATION 16384 345 346 #if (WSP_BUFFER_MAX < ((MAX_FINGERS * FSIZE_TYPE4) + FINGER_TYPE4)) 347 #error "WSP_BUFFER_MAX is too small" 348 #endif 349 350 enum { 351 WSP_FLAG_WELLSPRING1, 352 WSP_FLAG_WELLSPRING2, 353 WSP_FLAG_WELLSPRING3, 354 WSP_FLAG_WELLSPRING4, 355 WSP_FLAG_WELLSPRING4A, 356 WSP_FLAG_WELLSPRING5, 357 WSP_FLAG_WELLSPRING6A, 358 WSP_FLAG_WELLSPRING6, 359 WSP_FLAG_WELLSPRING5A, 360 WSP_FLAG_WELLSPRING7, 361 WSP_FLAG_WELLSPRING7A, 362 WSP_FLAG_WELLSPRING8, 363 WSP_FLAG_WELLSPRING9, 364 WSP_FLAG_MAX, 365 }; 366 367 /* device-specific parameters */ 368 struct wsp_param { 369 int snratio; /* signal-to-noise ratio */ 370 int min; /* device minimum reading */ 371 int max; /* device maximum reading */ 372 int size; /* physical size, mm */ 373 }; 374 375 /* device-specific configuration */ 376 struct wsp_dev_params { 377 const struct wsp_tp* tp; 378 struct wsp_param p; /* finger pressure limits */ 379 struct wsp_param w; /* finger width limits */ 380 struct wsp_param x; /* horizontal limits */ 381 struct wsp_param y; /* vertical limits */ 382 struct wsp_param o; /* orientation limits */ 383 }; 384 385 /* logical signal quality */ 386 #define SN_PRESSURE 45 /* pressure signal-to-noise ratio */ 387 #define SN_WIDTH 25 /* width signal-to-noise ratio */ 388 #define SN_COORD 250 /* coordinate signal-to-noise ratio */ 389 #define SN_ORIENT 10 /* orientation signal-to-noise ratio */ 390 391 static const struct wsp_dev_params wsp_dev_params[WSP_FLAG_MAX] = { 392 [WSP_FLAG_WELLSPRING1] = { 393 .tp = wsp_tp + TYPE1, 394 .p = { SN_PRESSURE, 0, 256, 0 }, 395 .w = { SN_WIDTH, 0, 2048, 0 }, 396 .x = { SN_COORD, -4824, 5342, 105 }, 397 .y = { SN_COORD, -172, 5820, 75 }, 398 .o = { SN_ORIENT, 399 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 400 }, 401 [WSP_FLAG_WELLSPRING2] = { 402 .tp = wsp_tp + TYPE1, 403 .p = { SN_PRESSURE, 0, 256, 0 }, 404 .w = { SN_WIDTH, 0, 2048, 0 }, 405 .x = { SN_COORD, -4824, 4824, 105 }, 406 .y = { SN_COORD, -172, 4290, 75 }, 407 .o = { SN_ORIENT, 408 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 409 }, 410 [WSP_FLAG_WELLSPRING3] = { 411 .tp = wsp_tp + TYPE2, 412 .p = { SN_PRESSURE, 0, 300, 0 }, 413 .w = { SN_WIDTH, 0, 2048, 0 }, 414 .x = { SN_COORD, -4460, 5166, 105 }, 415 .y = { SN_COORD, -75, 6700, 75 }, 416 .o = { SN_ORIENT, 417 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 418 }, 419 [WSP_FLAG_WELLSPRING4] = { 420 .tp = wsp_tp + TYPE2, 421 .p = { SN_PRESSURE, 0, 300, 0 }, 422 .w = { SN_WIDTH, 0, 2048, 0 }, 423 .x = { SN_COORD, -4620, 5140, 105 }, 424 .y = { SN_COORD, -150, 6600, 75 }, 425 .o = { SN_ORIENT, 426 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 427 }, 428 [WSP_FLAG_WELLSPRING4A] = { 429 .tp = wsp_tp + TYPE2, 430 .p = { SN_PRESSURE, 0, 300, 0 }, 431 .w = { SN_WIDTH, 0, 2048, 0 }, 432 .x = { SN_COORD, -4616, 5112, 105 }, 433 .y = { SN_COORD, -142, 5234, 75 }, 434 .o = { SN_ORIENT, 435 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 436 }, 437 [WSP_FLAG_WELLSPRING5] = { 438 .tp = wsp_tp + TYPE2, 439 .p = { SN_PRESSURE, 0, 300, 0 }, 440 .w = { SN_WIDTH, 0, 2048, 0 }, 441 .x = { SN_COORD, -4415, 5050, 105 }, 442 .y = { SN_COORD, -55, 6680, 75 }, 443 .o = { SN_ORIENT, 444 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 445 }, 446 [WSP_FLAG_WELLSPRING6] = { 447 .tp = wsp_tp + TYPE2, 448 .p = { SN_PRESSURE, 0, 300, 0 }, 449 .w = { SN_WIDTH, 0, 2048, 0 }, 450 .x = { SN_COORD, -4620, 5140, 105 }, 451 .y = { SN_COORD, -150, 6600, 75 }, 452 .o = { SN_ORIENT, 453 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 454 }, 455 [WSP_FLAG_WELLSPRING5A] = { 456 .tp = wsp_tp + TYPE2, 457 .p = { SN_PRESSURE, 0, 300, 0 }, 458 .w = { SN_WIDTH, 0, 2048, 0 }, 459 .x = { SN_COORD, -4750, 5280, 105 }, 460 .y = { SN_COORD, -150, 6730, 75 }, 461 .o = { SN_ORIENT, 462 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 463 }, 464 [WSP_FLAG_WELLSPRING6A] = { 465 .tp = wsp_tp + TYPE2, 466 .p = { SN_PRESSURE, 0, 300, 0 }, 467 .w = { SN_WIDTH, 0, 2048, 0 }, 468 .x = { SN_COORD, -4620, 5140, 105 }, 469 .y = { SN_COORD, -150, 6600, 75 }, 470 .o = { SN_ORIENT, 471 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 472 }, 473 [WSP_FLAG_WELLSPRING7] = { 474 .tp = wsp_tp + TYPE2, 475 .p = { SN_PRESSURE, 0, 300, 0 }, 476 .w = { SN_WIDTH, 0, 2048, 0 }, 477 .x = { SN_COORD, -4750, 5280, 105 }, 478 .y = { SN_COORD, -150, 6730, 75 }, 479 .o = { SN_ORIENT, 480 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 481 }, 482 [WSP_FLAG_WELLSPRING7A] = { 483 .tp = wsp_tp + TYPE2, 484 .p = { SN_PRESSURE, 0, 300, 0 }, 485 .w = { SN_WIDTH, 0, 2048, 0 }, 486 .x = { SN_COORD, -4750, 5280, 105 }, 487 .y = { SN_COORD, -150, 6730, 75 }, 488 .o = { SN_ORIENT, 489 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 490 }, 491 [WSP_FLAG_WELLSPRING8] = { 492 .tp = wsp_tp + TYPE3, 493 .p = { SN_PRESSURE, 0, 300, 0 }, 494 .w = { SN_WIDTH, 0, 2048, 0 }, 495 .x = { SN_COORD, -4620, 5140, 105 }, 496 .y = { SN_COORD, -150, 6600, 75 }, 497 .o = { SN_ORIENT, 498 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 499 }, 500 [WSP_FLAG_WELLSPRING9] = { 501 .tp = wsp_tp + TYPE4, 502 .p = { SN_PRESSURE, 0, 300, 0 }, 503 .w = { SN_WIDTH, 0, 2048, 0 }, 504 .x = { SN_COORD, -4828, 5345, 105 }, 505 .y = { SN_COORD, -203, 6803, 75 }, 506 .o = { SN_ORIENT, 507 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 }, 508 }, 509 }; 510 #define WSP_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) } 511 512 static const STRUCT_USB_HOST_ID wsp_devs[] = { 513 /* MacbookAir1.1 */ 514 WSP_DEV(APPLE, WELLSPRING_ANSI, WSP_FLAG_WELLSPRING1), 515 WSP_DEV(APPLE, WELLSPRING_ISO, WSP_FLAG_WELLSPRING1), 516 WSP_DEV(APPLE, WELLSPRING_JIS, WSP_FLAG_WELLSPRING1), 517 518 /* MacbookProPenryn, aka wellspring2 */ 519 WSP_DEV(APPLE, WELLSPRING2_ANSI, WSP_FLAG_WELLSPRING2), 520 WSP_DEV(APPLE, WELLSPRING2_ISO, WSP_FLAG_WELLSPRING2), 521 WSP_DEV(APPLE, WELLSPRING2_JIS, WSP_FLAG_WELLSPRING2), 522 523 /* Macbook5,1 (unibody), aka wellspring3 */ 524 WSP_DEV(APPLE, WELLSPRING3_ANSI, WSP_FLAG_WELLSPRING3), 525 WSP_DEV(APPLE, WELLSPRING3_ISO, WSP_FLAG_WELLSPRING3), 526 WSP_DEV(APPLE, WELLSPRING3_JIS, WSP_FLAG_WELLSPRING3), 527 528 /* MacbookAir3,2 (unibody), aka wellspring4 */ 529 WSP_DEV(APPLE, WELLSPRING4_ANSI, WSP_FLAG_WELLSPRING4), 530 WSP_DEV(APPLE, WELLSPRING4_ISO, WSP_FLAG_WELLSPRING4), 531 WSP_DEV(APPLE, WELLSPRING4_JIS, WSP_FLAG_WELLSPRING4), 532 533 /* MacbookAir3,1 (unibody), aka wellspring4 */ 534 WSP_DEV(APPLE, WELLSPRING4A_ANSI, WSP_FLAG_WELLSPRING4A), 535 WSP_DEV(APPLE, WELLSPRING4A_ISO, WSP_FLAG_WELLSPRING4A), 536 WSP_DEV(APPLE, WELLSPRING4A_JIS, WSP_FLAG_WELLSPRING4A), 537 538 /* Macbook8 (unibody, March 2011) */ 539 WSP_DEV(APPLE, WELLSPRING5_ANSI, WSP_FLAG_WELLSPRING5), 540 WSP_DEV(APPLE, WELLSPRING5_ISO, WSP_FLAG_WELLSPRING5), 541 WSP_DEV(APPLE, WELLSPRING5_JIS, WSP_FLAG_WELLSPRING5), 542 543 /* MacbookAir4,1 (unibody, July 2011) */ 544 WSP_DEV(APPLE, WELLSPRING6A_ANSI, WSP_FLAG_WELLSPRING6A), 545 WSP_DEV(APPLE, WELLSPRING6A_ISO, WSP_FLAG_WELLSPRING6A), 546 WSP_DEV(APPLE, WELLSPRING6A_JIS, WSP_FLAG_WELLSPRING6A), 547 548 /* MacbookAir4,2 (unibody, July 2011) */ 549 WSP_DEV(APPLE, WELLSPRING6_ANSI, WSP_FLAG_WELLSPRING6), 550 WSP_DEV(APPLE, WELLSPRING6_ISO, WSP_FLAG_WELLSPRING6), 551 WSP_DEV(APPLE, WELLSPRING6_JIS, WSP_FLAG_WELLSPRING6), 552 553 /* Macbook8,2 (unibody) */ 554 WSP_DEV(APPLE, WELLSPRING5A_ANSI, WSP_FLAG_WELLSPRING5A), 555 WSP_DEV(APPLE, WELLSPRING5A_ISO, WSP_FLAG_WELLSPRING5A), 556 WSP_DEV(APPLE, WELLSPRING5A_JIS, WSP_FLAG_WELLSPRING5A), 557 558 /* MacbookPro10,1 (unibody, June 2012) */ 559 /* MacbookPro11,1-3 (unibody, June 2013) */ 560 WSP_DEV(APPLE, WELLSPRING7_ANSI, WSP_FLAG_WELLSPRING7), 561 WSP_DEV(APPLE, WELLSPRING7_ISO, WSP_FLAG_WELLSPRING7), 562 WSP_DEV(APPLE, WELLSPRING7_JIS, WSP_FLAG_WELLSPRING7), 563 564 /* MacbookPro10,2 (unibody, October 2012) */ 565 WSP_DEV(APPLE, WELLSPRING7A_ANSI, WSP_FLAG_WELLSPRING7A), 566 WSP_DEV(APPLE, WELLSPRING7A_ISO, WSP_FLAG_WELLSPRING7A), 567 WSP_DEV(APPLE, WELLSPRING7A_JIS, WSP_FLAG_WELLSPRING7A), 568 569 /* MacbookAir6,2 (unibody, June 2013) */ 570 WSP_DEV(APPLE, WELLSPRING8_ANSI, WSP_FLAG_WELLSPRING8), 571 WSP_DEV(APPLE, WELLSPRING8_ISO, WSP_FLAG_WELLSPRING8), 572 WSP_DEV(APPLE, WELLSPRING8_JIS, WSP_FLAG_WELLSPRING8), 573 574 /* MacbookPro12,1 MacbookPro11,4 */ 575 WSP_DEV(APPLE, WELLSPRING9_ANSI, WSP_FLAG_WELLSPRING9), 576 WSP_DEV(APPLE, WELLSPRING9_ISO, WSP_FLAG_WELLSPRING9), 577 WSP_DEV(APPLE, WELLSPRING9_JIS, WSP_FLAG_WELLSPRING9), 578 }; 579 580 #define WSP_FIFO_BUF_SIZE 8 /* bytes */ 581 #define WSP_FIFO_QUEUE_MAXLEN 50 /* units */ 582 583 enum { 584 WSP_INTR_DT, 585 WSP_N_TRANSFER, 586 }; 587 588 struct wsp_softc { 589 struct usb_device *sc_usb_device; 590 struct mtx sc_mutex; /* for synchronization */ 591 struct usb_xfer *sc_xfer[WSP_N_TRANSFER]; 592 struct usb_fifo_sc sc_fifo; 593 594 const struct wsp_dev_params *sc_params; /* device configuration */ 595 596 #ifdef EVDEV_SUPPORT 597 struct evdev_dev *sc_evdev; 598 #endif 599 mousehw_t sc_hw; 600 mousemode_t sc_mode; 601 u_int sc_pollrate; 602 mousestatus_t sc_status; 603 int sc_fflags; 604 u_int sc_state; 605 #define WSP_ENABLED 0x01 606 #define WSP_EVDEV_OPENED 0x02 607 608 struct tp_finger *index[MAX_FINGERS]; /* finger index data */ 609 int16_t pos_x[MAX_FINGERS]; /* position array */ 610 int16_t pos_y[MAX_FINGERS]; /* position array */ 611 int16_t pre_pos_x[MAX_FINGERS]; /* previous position array */ 612 int16_t pre_pos_y[MAX_FINGERS]; /* previous position array */ 613 u_int sc_touch; /* touch status */ 614 #define WSP_UNTOUCH 0x00 615 #define WSP_FIRST_TOUCH 0x01 616 #define WSP_SECOND_TOUCH 0x02 617 #define WSP_TOUCHING 0x04 618 int dx_sum; /* x axis cumulative movement */ 619 int dy_sum; /* y axis cumulative movement */ 620 int dz_sum; /* z axis cumulative movement */ 621 int dz_count; 622 #define WSP_DZ_MAX_COUNT 32 623 int dt_sum; /* T-axis cumulative movement */ 624 int rdx; /* x axis remainder of divide by scale_factor */ 625 int rdy; /* y axis remainder of divide by scale_factor */ 626 int rdz; /* z axis remainder of divide by scale_factor */ 627 int tp_datalen; 628 uint8_t o_ntouch; /* old touch finger status */ 629 uint8_t finger; /* 0 or 1 *, check which finger moving */ 630 uint16_t intr_count; 631 #define WSP_TAP_THRESHOLD 3 632 #define WSP_TAP_MAX_COUNT 20 633 int distance; /* the distance of 2 fingers */ 634 uint8_t ibtn; /* button status in tapping */ 635 uint8_t ntaps; /* finger status in tapping */ 636 uint8_t scr_mode; /* scroll status in movement */ 637 #define WSP_SCR_NONE 0 638 #define WSP_SCR_VER 1 639 #define WSP_SCR_HOR 2 640 uint8_t tp_data[WSP_BUFFER_MAX] __aligned(4); /* trackpad transferred data */ 641 }; 642 643 /* 644 * function prototypes 645 */ 646 static usb_fifo_cmd_t wsp_fifo_start_read; 647 static usb_fifo_cmd_t wsp_fifo_stop_read; 648 static usb_fifo_open_t wsp_open; 649 static usb_fifo_close_t wsp_close; 650 static usb_fifo_ioctl_t wsp_ioctl; 651 652 static struct usb_fifo_methods wsp_fifo_methods = { 653 .f_open = &wsp_open, 654 .f_close = &wsp_close, 655 .f_ioctl = &wsp_ioctl, 656 .f_start_read = &wsp_fifo_start_read, 657 .f_stop_read = &wsp_fifo_stop_read, 658 .basename[0] = WSP_DRIVER_NAME, 659 }; 660 661 #ifdef EVDEV_SUPPORT 662 static evdev_open_t wsp_ev_open; 663 static evdev_close_t wsp_ev_close; 664 static const struct evdev_methods wsp_evdev_methods = { 665 .ev_open = &wsp_ev_open, 666 .ev_close = &wsp_ev_close, 667 }; 668 #endif 669 670 /* device initialization and shutdown */ 671 static int wsp_enable(struct wsp_softc *sc); 672 static void wsp_disable(struct wsp_softc *sc); 673 674 /* updating fifo */ 675 static void wsp_reset_buf(struct wsp_softc *sc); 676 static void wsp_add_to_queue(struct wsp_softc *, int, int, int, uint32_t); 677 678 /* Device methods. */ 679 static device_probe_t wsp_probe; 680 static device_attach_t wsp_attach; 681 static device_detach_t wsp_detach; 682 static usb_callback_t wsp_intr_callback; 683 684 static const struct usb_config wsp_config[WSP_N_TRANSFER] = { 685 [WSP_INTR_DT] = { 686 .type = UE_INTERRUPT, 687 .endpoint = UE_ADDR_ANY, 688 .direction = UE_DIR_IN, 689 .flags = { 690 .pipe_bof = 0, 691 .short_xfer_ok = 1, 692 }, 693 .bufsize = WSP_BUFFER_MAX, 694 .callback = &wsp_intr_callback, 695 }, 696 }; 697 698 static usb_error_t 699 wsp_set_device_mode(struct wsp_softc *sc, uint8_t on) 700 { 701 const struct wsp_dev_params *params = sc->sc_params; 702 uint8_t mode_bytes[8]; 703 usb_error_t err; 704 705 /* Type 3 does not require a mode switch */ 706 if (params->tp == wsp_tp + TYPE3) 707 return 0; 708 709 err = usbd_req_get_report(sc->sc_usb_device, NULL, 710 mode_bytes, params->tp->um_size, params->tp->iface_index, 711 UHID_FEATURE_REPORT, params->tp->um_req_idx); 712 713 if (err != USB_ERR_NORMAL_COMPLETION) { 714 DPRINTF("Failed to read device mode (%d)\n", err); 715 return (err); 716 } 717 718 /* 719 * XXX Need to wait at least 250ms for hardware to get 720 * ready. The device mode handling appears to be handled 721 * asynchronously and we should not issue these commands too 722 * quickly. 723 */ 724 pause("WHW", hz / 4); 725 726 mode_bytes[params->tp->um_switch_idx] = 727 on ? params->tp->um_switch_on : params->tp->um_switch_off; 728 729 return (usbd_req_set_report(sc->sc_usb_device, NULL, 730 mode_bytes, params->tp->um_size, params->tp->iface_index, 731 UHID_FEATURE_REPORT, params->tp->um_req_idx)); 732 } 733 734 static int 735 wsp_enable(struct wsp_softc *sc) 736 { 737 /* reset status */ 738 memset(&sc->sc_status, 0, sizeof(sc->sc_status)); 739 sc->sc_state |= WSP_ENABLED; 740 741 DPRINTFN(WSP_LLEVEL_INFO, "enabled wsp\n"); 742 return (0); 743 } 744 745 static void 746 wsp_disable(struct wsp_softc *sc) 747 { 748 sc->sc_state &= ~WSP_ENABLED; 749 DPRINTFN(WSP_LLEVEL_INFO, "disabled wsp\n"); 750 } 751 752 static int 753 wsp_probe(device_t self) 754 { 755 struct usb_attach_arg *uaa = device_get_ivars(self); 756 struct usb_interface_descriptor *id; 757 struct usb_interface *iface; 758 uint8_t i; 759 760 if (uaa->usb_mode != USB_MODE_HOST) 761 return (ENXIO); 762 763 /* figure out first interface matching */ 764 for (i = 1;; i++) { 765 iface = usbd_get_iface(uaa->device, i); 766 if (iface == NULL || i == 3) 767 return (ENXIO); 768 id = iface->idesc; 769 if ((id == NULL) || 770 (id->bInterfaceClass != UICLASS_HID) || 771 (id->bInterfaceProtocol != 0 && 772 id->bInterfaceProtocol != UIPROTO_MOUSE)) 773 continue; 774 break; 775 } 776 /* check if we are attaching to the first match */ 777 if (uaa->info.bIfaceIndex != i) 778 return (ENXIO); 779 if (usbd_lookup_id_by_uaa(wsp_devs, sizeof(wsp_devs), uaa) != 0) 780 return (ENXIO); 781 782 return (BUS_PROBE_DEFAULT); 783 } 784 785 static int 786 wsp_attach(device_t dev) 787 { 788 struct wsp_softc *sc = device_get_softc(dev); 789 struct usb_attach_arg *uaa = device_get_ivars(dev); 790 usb_error_t err; 791 void *d_ptr = NULL; 792 uint16_t d_len; 793 794 DPRINTFN(WSP_LLEVEL_INFO, "sc=%p\n", sc); 795 796 /* Get HID descriptor */ 797 err = usbd_req_get_hid_desc(uaa->device, NULL, &d_ptr, 798 &d_len, M_TEMP, uaa->info.bIfaceIndex); 799 800 if (err == USB_ERR_NORMAL_COMPLETION) { 801 /* Get HID report descriptor length */ 802 sc->tp_datalen = hid_report_size_max(d_ptr, d_len, hid_input, 803 NULL); 804 free(d_ptr, M_TEMP); 805 806 if (sc->tp_datalen <= 0 || sc->tp_datalen > WSP_BUFFER_MAX) { 807 DPRINTF("Invalid datalength or too big " 808 "datalength: %d\n", sc->tp_datalen); 809 return (ENXIO); 810 } 811 } else { 812 return (ENXIO); 813 } 814 815 sc->sc_usb_device = uaa->device; 816 817 /* get device specific configuration */ 818 sc->sc_params = wsp_dev_params + USB_GET_DRIVER_INFO(uaa); 819 820 /* 821 * By default the touchpad behaves like a HID device, sending 822 * packets with reportID = 8. Such reports contain only 823 * limited information. They encode movement deltas and button 824 * events, but do not include data from the pressure 825 * sensors. The device input mode can be switched from HID 826 * reports to raw sensor data using vendor-specific USB 827 * control commands: 828 */ 829 830 /* 831 * During re-enumeration of the device we need to force the 832 * device back into HID mode before switching it to RAW 833 * mode. Else the device does not work like expected. 834 */ 835 err = wsp_set_device_mode(sc, 0); 836 if (err != USB_ERR_NORMAL_COMPLETION) { 837 DPRINTF("Failed to set mode to HID MODE (%d)\n", err); 838 return (ENXIO); 839 } 840 841 err = wsp_set_device_mode(sc, 1); 842 if (err != USB_ERR_NORMAL_COMPLETION) { 843 DPRINTF("failed to set mode to RAW MODE (%d)\n", err); 844 return (ENXIO); 845 } 846 847 mtx_init(&sc->sc_mutex, "wspmtx", NULL, MTX_DEF | MTX_RECURSE); 848 849 err = usbd_transfer_setup(uaa->device, 850 &uaa->info.bIfaceIndex, sc->sc_xfer, wsp_config, 851 WSP_N_TRANSFER, sc, &sc->sc_mutex); 852 if (err) { 853 DPRINTF("error=%s\n", usbd_errstr(err)); 854 goto detach; 855 } 856 if (usb_fifo_attach(sc->sc_usb_device, sc, &sc->sc_mutex, 857 &wsp_fifo_methods, &sc->sc_fifo, 858 device_get_unit(dev), -1, uaa->info.bIfaceIndex, 859 UID_ROOT, GID_OPERATOR, 0644)) { 860 goto detach; 861 } 862 device_set_usb_desc(dev); 863 864 sc->sc_hw.buttons = 3; 865 sc->sc_hw.iftype = MOUSE_IF_USB; 866 sc->sc_hw.type = MOUSE_PAD; 867 sc->sc_hw.model = MOUSE_MODEL_GENERIC; 868 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 869 sc->sc_mode.rate = -1; 870 sc->sc_mode.resolution = MOUSE_RES_UNKNOWN; 871 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 872 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 873 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 874 875 sc->sc_touch = WSP_UNTOUCH; 876 sc->scr_mode = WSP_SCR_NONE; 877 878 #ifdef EVDEV_SUPPORT 879 sc->sc_evdev = evdev_alloc(); 880 evdev_set_name(sc->sc_evdev, device_get_desc(dev)); 881 evdev_set_phys(sc->sc_evdev, device_get_nameunit(dev)); 882 evdev_set_id(sc->sc_evdev, BUS_USB, uaa->info.idVendor, 883 uaa->info.idProduct, 0); 884 evdev_set_serial(sc->sc_evdev, usb_get_serial(uaa->device)); 885 evdev_set_methods(sc->sc_evdev, sc, &wsp_evdev_methods); 886 evdev_support_prop(sc->sc_evdev, INPUT_PROP_POINTER); 887 evdev_support_event(sc->sc_evdev, EV_SYN); 888 evdev_support_event(sc->sc_evdev, EV_ABS); 889 evdev_support_event(sc->sc_evdev, EV_KEY); 890 891 #define WSP_SUPPORT_ABS(evdev, code, param) \ 892 evdev_support_abs((evdev), (code), (param).min, (param).max, \ 893 ((param).max - (param).min) / (param).snratio, 0, \ 894 (param).size != 0 ? ((param).max - (param).min) / (param).size : 0); 895 896 /* finger position */ 897 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_POSITION_X, sc->sc_params->x); 898 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_POSITION_Y, sc->sc_params->y); 899 /* finger pressure */ 900 if ((sc->sc_params->tp->caps & SUPPORTS_FORCETOUCH) != 0) 901 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_PRESSURE, sc->sc_params->p); 902 /* finger major/minor axis */ 903 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_TOUCH_MAJOR, sc->sc_params->w); 904 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_TOUCH_MINOR, sc->sc_params->w); 905 /* finger major/minor approach */ 906 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_WIDTH_MAJOR, sc->sc_params->w); 907 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_WIDTH_MINOR, sc->sc_params->w); 908 /* finger orientation */ 909 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_ORIENTATION, sc->sc_params->o); 910 /* button properties */ 911 evdev_support_key(sc->sc_evdev, BTN_LEFT); 912 if ((sc->sc_params->tp->caps & HAS_INTEGRATED_BUTTON) != 0) 913 evdev_support_prop(sc->sc_evdev, INPUT_PROP_BUTTONPAD); 914 /* Enable automatic touch assignment for type B MT protocol */ 915 evdev_support_abs(sc->sc_evdev, ABS_MT_SLOT, 916 0, MAX_FINGERS - 1, 0, 0, 0); 917 evdev_support_abs(sc->sc_evdev, ABS_MT_TRACKING_ID, 918 -1, MAX_FINGERS - 1, 0, 0, 0); 919 evdev_set_flag(sc->sc_evdev, EVDEV_FLAG_MT_TRACK); 920 evdev_set_flag(sc->sc_evdev, EVDEV_FLAG_MT_AUTOREL); 921 /* Synaptics compatibility events */ 922 evdev_set_flag(sc->sc_evdev, EVDEV_FLAG_MT_STCOMPAT); 923 924 err = evdev_register(sc->sc_evdev); 925 if (err) 926 goto detach; 927 #endif 928 929 return (0); 930 931 detach: 932 wsp_detach(dev); 933 return (ENOMEM); 934 } 935 936 static int 937 wsp_detach(device_t dev) 938 { 939 struct wsp_softc *sc = device_get_softc(dev); 940 941 (void) wsp_set_device_mode(sc, 0); 942 943 mtx_lock(&sc->sc_mutex); 944 if (sc->sc_state & WSP_ENABLED) 945 wsp_disable(sc); 946 mtx_unlock(&sc->sc_mutex); 947 948 usb_fifo_detach(&sc->sc_fifo); 949 950 #ifdef EVDEV_SUPPORT 951 evdev_free(sc->sc_evdev); 952 #endif 953 954 usbd_transfer_unsetup(sc->sc_xfer, WSP_N_TRANSFER); 955 956 mtx_destroy(&sc->sc_mutex); 957 958 return (0); 959 } 960 961 static void 962 wsp_intr_callback(struct usb_xfer *xfer, usb_error_t error) 963 { 964 struct wsp_softc *sc = usbd_xfer_softc(xfer); 965 const struct wsp_dev_params *params = sc->sc_params; 966 struct usb_page_cache *pc; 967 struct tp_finger *f; 968 struct wsp_tuning tun = wsp_tuning; 969 int ntouch = 0; /* the finger number in touch */ 970 int ibt = 0; /* button status */ 971 int dx = 0; 972 int dy = 0; 973 int dz = 0; 974 int rdx = 0; 975 int rdy = 0; 976 int rdz = 0; 977 int len; 978 int i; 979 #ifdef EVDEV_SUPPORT 980 int slot = 0; 981 #endif 982 983 wsp_running_rangecheck(&tun); 984 985 if (sc->dz_count == 0) 986 sc->dz_count = WSP_DZ_MAX_COUNT; 987 988 usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 989 990 switch (USB_GET_STATE(xfer)) { 991 case USB_ST_TRANSFERRED: 992 993 /* copy out received data */ 994 pc = usbd_xfer_get_frame(xfer, 0); 995 usbd_copy_out(pc, 0, sc->tp_data, len); 996 997 if ((len < params->tp->offset + params->tp->fsize) || 998 ((len - params->tp->offset) % params->tp->fsize) != 0) { 999 DPRINTFN(WSP_LLEVEL_INFO, "Invalid length: %d, %x, %x\n", 1000 len, sc->tp_data[0], sc->tp_data[1]); 1001 goto tr_setup; 1002 } 1003 1004 if (len < sc->tp_datalen) { 1005 /* make sure we don't process old data */ 1006 memset(sc->tp_data + len, 0, sc->tp_datalen - len); 1007 } 1008 1009 if (params->tp != wsp_tp + TYPE1) { 1010 ibt = sc->tp_data[params->tp->button]; 1011 ntouch = sc->tp_data[params->tp->button - 1]; 1012 } else 1013 ntouch = (len - params->tp->offset) / params->tp->fsize; 1014 1015 /* range check */ 1016 if (ntouch < 0) 1017 ntouch = 0; 1018 else if (ntouch > MAX_FINGERS) 1019 ntouch = MAX_FINGERS; 1020 1021 for (i = 0; i != ntouch; i++) { 1022 f = (struct tp_finger *)(sc->tp_data + params->tp->offset + params->tp->delta + i * params->tp->fsize); 1023 /* swap endianness, if any */ 1024 if (le16toh(0x1234) != 0x1234) { 1025 f->origin = le16toh((uint16_t)f->origin); 1026 f->abs_x = le16toh((uint16_t)f->abs_x); 1027 f->abs_y = le16toh((uint16_t)f->abs_y); 1028 f->rel_x = le16toh((uint16_t)f->rel_x); 1029 f->rel_y = le16toh((uint16_t)f->rel_y); 1030 f->tool_major = le16toh((uint16_t)f->tool_major); 1031 f->tool_minor = le16toh((uint16_t)f->tool_minor); 1032 f->orientation = le16toh((uint16_t)f->orientation); 1033 f->touch_major = le16toh((uint16_t)f->touch_major); 1034 f->touch_minor = le16toh((uint16_t)f->touch_minor); 1035 f->pressure = le16toh((uint16_t)f->pressure); 1036 f->multi = le16toh((uint16_t)f->multi); 1037 } 1038 DPRINTFN(WSP_LLEVEL_INFO, 1039 "[%d]ibt=%d, taps=%d, o=%4d, ax=%5d, ay=%5d, " 1040 "rx=%5d, ry=%5d, tlmaj=%4d, tlmin=%4d, ot=%4x, " 1041 "tchmaj=%4d, tchmin=%4d, presure=%4d, m=%4x\n", 1042 i, ibt, ntouch, f->origin, f->abs_x, f->abs_y, 1043 f->rel_x, f->rel_y, f->tool_major, f->tool_minor, f->orientation, 1044 f->touch_major, f->touch_minor, f->pressure, f->multi); 1045 sc->pos_x[i] = f->abs_x; 1046 sc->pos_y[i] = -f->abs_y; 1047 sc->index[i] = f; 1048 #ifdef EVDEV_SUPPORT 1049 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE && f->touch_major != 0) { 1050 union evdev_mt_slot slot_data = { 1051 .id = slot, 1052 .x = f->abs_x, 1053 .y = params->y.min + params->y.max - f->abs_y, 1054 .p = f->pressure, 1055 .maj = f->touch_major << 1, 1056 .min = f->touch_minor << 1, 1057 .w_maj = f->tool_major << 1, 1058 .w_min = f->tool_minor << 1, 1059 .ori = params->o.max - f->orientation, 1060 }; 1061 evdev_mt_push_slot(sc->sc_evdev, slot, &slot_data); 1062 slot++; 1063 } 1064 #endif 1065 } 1066 1067 #ifdef EVDEV_SUPPORT 1068 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 1069 evdev_push_key(sc->sc_evdev, BTN_LEFT, ibt); 1070 evdev_sync(sc->sc_evdev); 1071 if ((sc->sc_fflags & FREAD) == 0 || 1072 usb_fifo_put_bytes_max( 1073 sc->sc_fifo.fp[USB_FIFO_RX]) == 0) 1074 goto tr_setup; 1075 } 1076 #endif 1077 sc->sc_status.flags &= ~MOUSE_POSCHANGED; 1078 sc->sc_status.flags &= ~MOUSE_STDBUTTONSCHANGED; 1079 sc->sc_status.obutton = sc->sc_status.button; 1080 sc->sc_status.button = 0; 1081 1082 if (ntouch == 2) { 1083 sc->distance = max(sc->distance, max( 1084 abs(sc->pos_x[0] - sc->pos_x[1]), 1085 abs(sc->pos_y[0] - sc->pos_y[1]))); 1086 } 1087 1088 if (ibt != 0) { 1089 if (params->tp->caps & HAS_INTEGRATED_BUTTON) { 1090 switch (ntouch) { 1091 case 1: 1092 sc->sc_status.button |= MOUSE_BUTTON1DOWN; 1093 break; 1094 case 2: 1095 if (sc->distance < tun.max_double_tap_distance && abs(sc->dx_sum) < 5 && 1096 abs(sc->dy_sum) < 5) 1097 sc->sc_status.button |= MOUSE_BUTTON3DOWN; 1098 else 1099 sc->sc_status.button |= MOUSE_BUTTON1DOWN; 1100 break; 1101 case 3: 1102 sc->sc_status.button |= MOUSE_BUTTON2DOWN; 1103 break; 1104 default: 1105 break; 1106 } 1107 } else { 1108 sc->sc_status.button |= MOUSE_BUTTON1DOWN; 1109 } 1110 1111 sc->ibtn = 1; 1112 } 1113 sc->intr_count++; 1114 1115 if (sc->ntaps < ntouch) { 1116 switch (ntouch) { 1117 case 1: 1118 if (sc->index[0]->touch_major > tun.pressure_tap_threshold && 1119 sc->index[0]->tool_major <= tun.max_finger_diameter) 1120 sc->ntaps = 1; 1121 break; 1122 case 2: 1123 if (sc->index[0]->touch_major > tun.pressure_tap_threshold-30 && 1124 sc->index[1]->touch_major > tun.pressure_tap_threshold-30) 1125 sc->ntaps = 2; 1126 break; 1127 case 3: 1128 if (sc->index[0]->touch_major > tun.pressure_tap_threshold-40 && 1129 sc->index[1]->touch_major > tun.pressure_tap_threshold-40 && 1130 sc->index[2]->touch_major > tun.pressure_tap_threshold-40) 1131 sc->ntaps = 3; 1132 break; 1133 default: 1134 break; 1135 } 1136 } 1137 1138 if (sc->index[0]->touch_major < tun.pressure_untouch_threshold && 1139 sc->sc_status.button == 0) { 1140 sc->sc_touch = WSP_UNTOUCH; 1141 if (sc->intr_count < WSP_TAP_MAX_COUNT && 1142 sc->intr_count > WSP_TAP_THRESHOLD && 1143 sc->ntaps && sc->ibtn == 0) { 1144 /* 1145 * Add a pair of events (button-down and 1146 * button-up). 1147 */ 1148 switch (sc->ntaps) { 1149 case 1: 1150 if (!(params->tp->caps & HAS_INTEGRATED_BUTTON) || tun.enable_single_tap_clicks) { 1151 wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON1DOWN); 1152 DPRINTFN(WSP_LLEVEL_INFO, "LEFT CLICK!\n"); 1153 } 1154 break; 1155 case 2: 1156 DPRINTFN(WSP_LLEVEL_INFO, "sum_x=%5d, sum_y=%5d\n", 1157 sc->dx_sum, sc->dy_sum); 1158 if (sc->distance < tun.max_double_tap_distance && abs(sc->dx_sum) < 5 && 1159 abs(sc->dy_sum) < 5) { 1160 wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON3DOWN); 1161 DPRINTFN(WSP_LLEVEL_INFO, "RIGHT CLICK!\n"); 1162 } 1163 break; 1164 case 3: 1165 wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON2DOWN); 1166 break; 1167 default: 1168 /* we don't handle taps of more than three fingers */ 1169 break; 1170 } 1171 wsp_add_to_queue(sc, 0, 0, 0, 0); /* button release */ 1172 } 1173 1174 if (sc->scr_mode == WSP_SCR_HOR && sc->ntaps == tun.horizontal_swipe_finger_count 1175 && tun.horizontal_swipe_finger_count > 0 && (sc->dt_sum / tun.scr_threshold) != 0) { 1176 /* 1177 * translate T-axis swipe into button 1178 * presses 3 and 4 (forward/back) 1179 */ 1180 if (sc->dt_sum > 0) 1181 wsp_add_to_queue(sc, 0, 0, 0, 1UL << 3); 1182 else if (sc->dt_sum < 0) 1183 wsp_add_to_queue(sc, 0, 0, 0, 1UL << 4); 1184 } 1185 1186 sc->dz_count = WSP_DZ_MAX_COUNT; 1187 sc->dz_sum = 0; 1188 sc->intr_count = 0; 1189 sc->ibtn = 0; 1190 sc->ntaps = 0; 1191 sc->finger = 0; 1192 sc->distance = 0; 1193 sc->dt_sum = 0; 1194 sc->dx_sum = 0; 1195 sc->dy_sum = 0; 1196 sc->rdx = 0; 1197 sc->rdy = 0; 1198 sc->rdz = 0; 1199 sc->scr_mode = WSP_SCR_NONE; 1200 } else if (sc->index[0]->touch_major >= tun.pressure_touch_threshold && 1201 sc->sc_touch == WSP_UNTOUCH) { /* ignore first touch */ 1202 sc->sc_touch = WSP_FIRST_TOUCH; 1203 } else if (sc->index[0]->touch_major >= tun.pressure_touch_threshold && 1204 sc->sc_touch == WSP_FIRST_TOUCH) { /* ignore second touch */ 1205 sc->sc_touch = WSP_SECOND_TOUCH; 1206 DPRINTFN(WSP_LLEVEL_INFO, "First pre_x[0]=%5d, pre_y[0]=%5d\n", 1207 sc->pre_pos_x[0], sc->pre_pos_y[0]); 1208 } else { 1209 if (sc->sc_touch == WSP_SECOND_TOUCH) 1210 sc->sc_touch = WSP_TOUCHING; 1211 1212 if (ntouch != 0 && 1213 sc->index[0]->touch_major >= tun.pressure_touch_threshold) { 1214 dx = sc->pos_x[0] - sc->pre_pos_x[0]; 1215 dy = sc->pos_y[0] - sc->pre_pos_y[0]; 1216 1217 /* Optionally ignore movement during button is releasing */ 1218 if (tun.enable_single_tap_movement != 1 && sc->ibtn != 0 && sc->sc_status.button == 0) 1219 dx = dy = 0; 1220 1221 /* Ignore movement if ntouch changed */ 1222 if (sc->o_ntouch != ntouch) 1223 dx = dy = 0; 1224 1225 /* Ignore unexpected movement when typing (palm detection) */ 1226 if (ntouch == 1 && sc->index[0]->tool_major > tun.max_finger_diameter) 1227 dx = dy = 0; 1228 1229 if (sc->ibtn != 0 && ntouch == 1 && 1230 sc->intr_count < WSP_TAP_MAX_COUNT && 1231 abs(sc->dx_sum) < 1 && abs(sc->dy_sum) < 1 ) 1232 dx = dy = 0; 1233 1234 if (ntouch == 2 && sc->sc_status.button != 0) { 1235 dx = sc->pos_x[sc->finger] - sc->pre_pos_x[sc->finger]; 1236 dy = sc->pos_y[sc->finger] - sc->pre_pos_y[sc->finger]; 1237 1238 /* 1239 * Ignore movement of switch finger or 1240 * movement from ibt=0 to ibt=1 1241 */ 1242 if (sc->index[0]->origin == 0 || sc->index[1]->origin == 0 || 1243 sc->sc_status.obutton != sc->sc_status.button) { 1244 dx = dy = 0; 1245 sc->finger = 0; 1246 } 1247 if ((abs(sc->index[0]->rel_x) + abs(sc->index[0]->rel_y)) < 1248 (abs(sc->index[1]->rel_x) + abs(sc->index[1]->rel_y)) && 1249 sc->finger == 0) { 1250 sc->sc_touch = WSP_SECOND_TOUCH; 1251 dx = dy = 0; 1252 sc->finger = 1; 1253 } 1254 if ((abs(sc->index[0]->rel_x) + abs(sc->index[0]->rel_y)) >= 1255 (abs(sc->index[1]->rel_x) + abs(sc->index[1]->rel_y)) && 1256 sc->finger == 1) { 1257 sc->sc_touch = WSP_SECOND_TOUCH; 1258 dx = dy = 0; 1259 sc->finger = 0; 1260 } 1261 DPRINTFN(WSP_LLEVEL_INFO, "dx=%5d, dy=%5d, mov=%5d\n", 1262 dx, dy, sc->finger); 1263 } 1264 if (sc->dz_count--) { 1265 if (sc->scr_mode == WSP_SCR_HOR) { 1266 rdz = (dx + sc->rdz) % tun.scale_factor; 1267 sc->dz_sum -= (dx + sc->rdz) / tun.scale_factor; 1268 } else if (sc->scr_mode == WSP_SCR_VER) { 1269 rdz = (dy + sc->rdz) % tun.scale_factor; 1270 sc->dz_sum -= (dy + sc->rdz) / tun.scale_factor; 1271 } 1272 sc->rdz = rdz; 1273 } 1274 if (sc->scr_mode == WSP_SCR_VER && (tun.z_factor == 0 || (sc->dz_sum / tun.z_factor) != 0)) 1275 sc->dz_count = 0; 1276 else if (sc->scr_mode == WSP_SCR_HOR && (tun.t_factor == 0 || (sc->dz_sum / tun.t_factor) != 0)) 1277 sc->dz_count = 0; 1278 } 1279 rdx = (dx + sc->rdx) % tun.scale_factor; 1280 dx = (dx + sc->rdx) / tun.scale_factor; 1281 sc->rdx = rdx; 1282 1283 rdy = (dy + sc->rdy) % tun.scale_factor; 1284 dy = (dy + sc->rdy) / tun.scale_factor; 1285 sc->rdy = rdy; 1286 1287 sc->dx_sum += dx; 1288 sc->dy_sum += dy; 1289 1290 if (sc->sc_status.button == 0 && ntouch > 0) { 1291 if (ntouch == tun.scroll_finger_count || ntouch == tun.horizontal_swipe_finger_count) { 1292 if (sc->scr_mode == WSP_SCR_NONE && abs(sc->dx_sum) + abs(sc->dy_sum) > tun.scr_threshold) 1293 sc->scr_mode = abs(sc->dx_sum) > abs(sc->dy_sum) * 2 ? WSP_SCR_HOR : WSP_SCR_VER; 1294 1295 DPRINTFN(WSP_LLEVEL_INFO, "scr_mode=%5d, count=%d, dx_sum=%d, dy_sum=%d\n", sc->scr_mode, sc->intr_count, sc->dx_sum, sc->dy_sum); 1296 } 1297 1298 if (ntouch == tun.scroll_finger_count) { /* preference scrolling over swipe if tun.scroll_finger_count == tun.horizontal_swipe_finger_count */ 1299 if (sc->scr_mode == WSP_SCR_HOR) { 1300 sc->sc_status.button = 1 << 5; 1301 } 1302 dx = dy = dz = 0; 1303 dz = 0; 1304 sc->dt_sum = 0; 1305 if (sc->distance <= tun.max_scroll_finger_distance && sc->dz_count == 0) { 1306 if (sc->scr_mode == WSP_SCR_VER) { 1307 if (tun.z_factor > 0) 1308 dz = (sc->dz_sum / tun.z_factor) * (tun.z_invert ? -1 : 1); 1309 } else if (sc->scr_mode == WSP_SCR_HOR) { 1310 if (tun.t_factor > 0) 1311 dz = (sc->dz_sum / tun.t_factor) * (tun.t_invert ? -1 : 1); 1312 } 1313 } 1314 } else if (ntouch == tun.horizontal_swipe_finger_count) { 1315 if (sc->scr_mode == WSP_SCR_HOR) { 1316 sc->dt_sum += dx * (tun.t_invert ? -1 : 1); 1317 } else { 1318 sc->dt_sum = 0; 1319 } 1320 dx = dy = dz = 0; 1321 } 1322 } 1323 1324 if (ntouch == 3) 1325 dx = dy = dz = 0; 1326 1327 if (ntouch != tun.horizontal_swipe_finger_count) 1328 sc->dt_sum = 0; 1329 1330 if (ntouch == 0) 1331 sc->scr_mode = WSP_SCR_NONE; 1332 1333 if (sc->intr_count < WSP_TAP_MAX_COUNT && 1334 abs(dx) < 3 && abs(dy) < 3 && abs(dz) < 3) 1335 dx = dy = dz = 0; 1336 else 1337 sc->intr_count = WSP_TAP_MAX_COUNT; 1338 if (dx || dy || dz) 1339 sc->sc_status.flags |= MOUSE_POSCHANGED; 1340 DPRINTFN(WSP_LLEVEL_INFO, "dx=%5d, dy=%5d, dz=%5d, sc_touch=%x, btn=%x\n", 1341 dx, dy, dz, sc->sc_touch, sc->sc_status.button); 1342 sc->sc_status.dx += dx; 1343 sc->sc_status.dy += dy; 1344 sc->sc_status.dz += dz; 1345 1346 wsp_add_to_queue(sc, dx, -dy, dz, sc->sc_status.button); 1347 if (sc->dz_count == 0) { 1348 sc->dz_sum = 0; 1349 sc->rdz = 0; 1350 } 1351 } 1352 sc->pre_pos_x[0] = sc->pos_x[0]; 1353 sc->pre_pos_y[0] = sc->pos_y[0]; 1354 1355 if (ntouch == 2 && sc->sc_status.button != 0) { 1356 sc->pre_pos_x[sc->finger] = sc->pos_x[sc->finger]; 1357 sc->pre_pos_y[sc->finger] = sc->pos_y[sc->finger]; 1358 } 1359 sc->o_ntouch = ntouch; 1360 1361 case USB_ST_SETUP: 1362 tr_setup: 1363 /* check if we can put more data into the FIFO */ 1364 if ( 1365 #ifdef EVDEV_SUPPORT 1366 ((evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) != 0 && 1367 (sc->sc_state & WSP_EVDEV_OPENED) != 0) || 1368 #endif 1369 usb_fifo_put_bytes_max( 1370 sc->sc_fifo.fp[USB_FIFO_RX]) != 0) { 1371 usbd_xfer_set_frame_len(xfer, 0, 1372 sc->tp_datalen); 1373 usbd_transfer_submit(xfer); 1374 } 1375 break; 1376 1377 default: /* Error */ 1378 if (error != USB_ERR_CANCELLED) { 1379 /* try clear stall first */ 1380 usbd_xfer_set_stall(xfer); 1381 goto tr_setup; 1382 } 1383 break; 1384 } 1385 } 1386 1387 static void 1388 wsp_add_to_queue(struct wsp_softc *sc, int dx, int dy, int dz, 1389 uint32_t buttons_in) 1390 { 1391 uint32_t buttons_out; 1392 uint8_t buf[8]; 1393 1394 dx = imin(dx, 254); 1395 dx = imax(dx, -256); 1396 dy = imin(dy, 254); 1397 dy = imax(dy, -256); 1398 dz = imin(dz, 126); 1399 dz = imax(dz, -128); 1400 1401 buttons_out = MOUSE_MSC_BUTTONS; 1402 if (buttons_in & MOUSE_BUTTON1DOWN) 1403 buttons_out &= ~MOUSE_MSC_BUTTON1UP; 1404 else if (buttons_in & MOUSE_BUTTON2DOWN) 1405 buttons_out &= ~MOUSE_MSC_BUTTON2UP; 1406 else if (buttons_in & MOUSE_BUTTON3DOWN) 1407 buttons_out &= ~MOUSE_MSC_BUTTON3UP; 1408 1409 /* Encode the mouse data in standard format; refer to mouse(4) */ 1410 buf[0] = sc->sc_mode.syncmask[1]; 1411 buf[0] |= buttons_out; 1412 buf[1] = dx >> 1; 1413 buf[2] = dy >> 1; 1414 buf[3] = dx - (dx >> 1); 1415 buf[4] = dy - (dy >> 1); 1416 /* Encode extra bytes for level 1 */ 1417 if (sc->sc_mode.level == 1) { 1418 buf[5] = dz >> 1; /* dz / 2 */ 1419 buf[6] = dz - (dz >> 1);/* dz - (dz / 2) */ 1420 buf[7] = (((~buttons_in) >> 3) & MOUSE_SYS_EXTBUTTONS); 1421 } 1422 1423 usb_fifo_put_data_linear(sc->sc_fifo.fp[USB_FIFO_RX], buf, 1424 sc->sc_mode.packetsize, 1); 1425 } 1426 1427 static void 1428 wsp_reset_buf(struct wsp_softc *sc) 1429 { 1430 /* reset read queue */ 1431 usb_fifo_reset(sc->sc_fifo.fp[USB_FIFO_RX]); 1432 } 1433 1434 static void 1435 wsp_start_read(struct wsp_softc *sc) 1436 { 1437 int rate; 1438 1439 /* Check if we should override the default polling interval */ 1440 rate = sc->sc_pollrate; 1441 /* Range check rate */ 1442 if (rate > 1000) 1443 rate = 1000; 1444 /* Check for set rate */ 1445 if ((rate > 0) && (sc->sc_xfer[WSP_INTR_DT] != NULL)) { 1446 /* Stop current transfer, if any */ 1447 usbd_transfer_stop(sc->sc_xfer[WSP_INTR_DT]); 1448 /* Set new interval */ 1449 usbd_xfer_set_interval(sc->sc_xfer[WSP_INTR_DT], 1000 / rate); 1450 /* Only set pollrate once */ 1451 sc->sc_pollrate = 0; 1452 } 1453 usbd_transfer_start(sc->sc_xfer[WSP_INTR_DT]); 1454 } 1455 1456 static void 1457 wsp_stop_read(struct wsp_softc *sc) 1458 { 1459 usbd_transfer_stop(sc->sc_xfer[WSP_INTR_DT]); 1460 } 1461 1462 static int 1463 wsp_open(struct usb_fifo *fifo, int fflags) 1464 { 1465 struct wsp_softc *sc = usb_fifo_softc(fifo); 1466 int rc = 0; 1467 1468 DPRINTFN(WSP_LLEVEL_INFO, "\n"); 1469 1470 if (sc->sc_fflags & fflags) 1471 return (EBUSY); 1472 1473 if (fflags & FREAD) { 1474 if (usb_fifo_alloc_buffer(fifo, 1475 WSP_FIFO_BUF_SIZE, WSP_FIFO_QUEUE_MAXLEN)) { 1476 return (ENOMEM); 1477 } 1478 #ifdef EVDEV_SUPPORT 1479 if ((sc->sc_state & WSP_EVDEV_OPENED) == 0) 1480 #endif 1481 rc = wsp_enable(sc); 1482 if (rc != 0) { 1483 usb_fifo_free_buffer(fifo); 1484 return (rc); 1485 } 1486 } 1487 sc->sc_fflags |= fflags & (FREAD | FWRITE); 1488 return (0); 1489 } 1490 1491 static void 1492 wsp_close(struct usb_fifo *fifo, int fflags) 1493 { 1494 struct wsp_softc *sc = usb_fifo_softc(fifo); 1495 1496 if (fflags & FREAD) { 1497 #ifdef EVDEV_SUPPORT 1498 if ((sc->sc_state & WSP_EVDEV_OPENED) == 0) 1499 #endif 1500 wsp_disable(sc); 1501 usb_fifo_free_buffer(fifo); 1502 } 1503 1504 sc->sc_fflags &= ~(fflags & (FREAD | FWRITE)); 1505 } 1506 1507 static void 1508 wsp_fifo_start_read(struct usb_fifo *fifo) 1509 { 1510 struct wsp_softc *sc = usb_fifo_softc(fifo); 1511 1512 wsp_start_read(sc); 1513 } 1514 1515 static void 1516 wsp_fifo_stop_read(struct usb_fifo *fifo) 1517 { 1518 struct wsp_softc *sc = usb_fifo_softc(fifo); 1519 1520 #ifdef EVDEV_SUPPORT 1521 if ((sc->sc_state & WSP_EVDEV_OPENED) == 0) 1522 #endif 1523 wsp_stop_read(sc); 1524 } 1525 1526 #ifdef EVDEV_SUPPORT 1527 static int 1528 wsp_ev_open(struct evdev_dev *evdev) 1529 { 1530 struct wsp_softc *sc = evdev_get_softc(evdev); 1531 int rc = 0; 1532 1533 mtx_lock(&sc->sc_mutex); 1534 if (sc->sc_fflags == 0) 1535 rc = wsp_enable(sc); 1536 if (rc == 0) { 1537 wsp_start_read(sc); 1538 sc->sc_state |= WSP_EVDEV_OPENED; 1539 } 1540 mtx_unlock(&sc->sc_mutex); 1541 1542 return (rc); 1543 } 1544 1545 static int 1546 wsp_ev_close(struct evdev_dev *evdev) 1547 { 1548 struct wsp_softc *sc = evdev_get_softc(evdev); 1549 1550 mtx_lock(&sc->sc_mutex); 1551 sc->sc_state &= ~WSP_EVDEV_OPENED; 1552 if (sc->sc_fflags == 0) 1553 wsp_stop_read(sc); 1554 mtx_unlock(&sc->sc_mutex); 1555 1556 return (0); 1557 } 1558 #endif 1559 1560 int 1561 wsp_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags) 1562 { 1563 struct wsp_softc *sc = usb_fifo_softc(fifo); 1564 mousemode_t mode; 1565 int error = 0; 1566 1567 mtx_lock(&sc->sc_mutex); 1568 1569 switch (cmd) { 1570 case MOUSE_GETHWINFO: 1571 *(mousehw_t *)addr = sc->sc_hw; 1572 break; 1573 case MOUSE_GETMODE: 1574 *(mousemode_t *)addr = sc->sc_mode; 1575 break; 1576 case MOUSE_SETMODE: 1577 mode = *(mousemode_t *)addr; 1578 1579 if (mode.level == -1) 1580 /* Don't change the current setting */ 1581 ; 1582 else if ((mode.level < 0) || (mode.level > 1)) { 1583 error = EINVAL; 1584 goto done; 1585 } 1586 sc->sc_mode.level = mode.level; 1587 sc->sc_pollrate = mode.rate; 1588 sc->sc_hw.buttons = 3; 1589 1590 if (sc->sc_mode.level == 0) { 1591 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 1592 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 1593 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 1594 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 1595 } else if (sc->sc_mode.level == 1) { 1596 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE; 1597 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE; 1598 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK; 1599 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC; 1600 } 1601 wsp_reset_buf(sc); 1602 break; 1603 case MOUSE_GETLEVEL: 1604 *(int *)addr = sc->sc_mode.level; 1605 break; 1606 case MOUSE_SETLEVEL: 1607 if (*(int *)addr < 0 || *(int *)addr > 1) { 1608 error = EINVAL; 1609 goto done; 1610 } 1611 sc->sc_mode.level = *(int *)addr; 1612 sc->sc_hw.buttons = 3; 1613 1614 if (sc->sc_mode.level == 0) { 1615 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 1616 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 1617 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 1618 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 1619 } else if (sc->sc_mode.level == 1) { 1620 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE; 1621 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE; 1622 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK; 1623 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC; 1624 } 1625 wsp_reset_buf(sc); 1626 break; 1627 case MOUSE_GETSTATUS:{ 1628 mousestatus_t *status = (mousestatus_t *)addr; 1629 1630 *status = sc->sc_status; 1631 sc->sc_status.obutton = sc->sc_status.button; 1632 sc->sc_status.button = 0; 1633 sc->sc_status.dx = 0; 1634 sc->sc_status.dy = 0; 1635 sc->sc_status.dz = 0; 1636 1637 if (status->dx || status->dy || status->dz) 1638 status->flags |= MOUSE_POSCHANGED; 1639 if (status->button != status->obutton) 1640 status->flags |= MOUSE_BUTTONSCHANGED; 1641 break; 1642 } 1643 default: 1644 error = ENOTTY; 1645 } 1646 1647 done: 1648 mtx_unlock(&sc->sc_mutex); 1649 return (error); 1650 } 1651 1652 static device_method_t wsp_methods[] = { 1653 /* Device interface */ 1654 DEVMETHOD(device_probe, wsp_probe), 1655 DEVMETHOD(device_attach, wsp_attach), 1656 DEVMETHOD(device_detach, wsp_detach), 1657 DEVMETHOD_END 1658 }; 1659 1660 static driver_t wsp_driver = { 1661 .name = WSP_DRIVER_NAME, 1662 .methods = wsp_methods, 1663 .size = sizeof(struct wsp_softc) 1664 }; 1665 1666 DRIVER_MODULE(wsp, uhub, wsp_driver, NULL, NULL); 1667 MODULE_DEPEND(wsp, usb, 1, 1, 1); 1668 MODULE_DEPEND(wsp, hid, 1, 1, 1); 1669 #ifdef EVDEV_SUPPORT 1670 MODULE_DEPEND(wsp, evdev, 1, 1, 1); 1671 #endif 1672 MODULE_VERSION(wsp, 1); 1673 USB_PNP_HOST_INFO(wsp_devs); 1674