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 <sys/cdefs.h>
30 #include "opt_evdev.h"
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/malloc.h>
36 #include <sys/module.h>
37 #include <sys/lock.h>
38 #include <sys/mutex.h>
39 #include <sys/bus.h>
40 #include <sys/conf.h>
41 #include <sys/fcntl.h>
42 #include <sys/file.h>
43 #include <sys/selinfo.h>
44 #include <sys/poll.h>
45 #include <sys/sysctl.h>
46
47 #include <dev/hid/hid.h>
48
49 #include <dev/usb/usb.h>
50 #include <dev/usb/usbdi.h>
51 #include <dev/usb/usbdi_util.h>
52 #include <dev/usb/usbhid.h>
53
54 #include "usbdevs.h"
55
56 #define USB_DEBUG_VAR wsp_debug
57 #include <dev/usb/usb_debug.h>
58
59 #ifdef EVDEV_SUPPORT
60 #include <dev/evdev/input.h>
61 #include <dev/evdev/evdev.h>
62 #endif
63
64 #include <sys/mouse.h>
65
66 #define WSP_DRIVER_NAME "wsp"
67 #define WSP_BUFFER_MAX 1024
68
69 #define WSP_CLAMP(x,low,high) do { \
70 if ((x) < (low)) \
71 (x) = (low); \
72 else if ((x) > (high)) \
73 (x) = (high); \
74 } while (0)
75
76 /* Tunables */
77 static SYSCTL_NODE(_hw_usb, OID_AUTO, wsp, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
78 "USB wsp");
79
80 #ifdef USB_DEBUG
81 enum wsp_log_level {
82 WSP_LLEVEL_DISABLED = 0,
83 WSP_LLEVEL_ERROR,
84 WSP_LLEVEL_DEBUG, /* for troubleshooting */
85 WSP_LLEVEL_INFO, /* for diagnostics */
86 };
87 static int wsp_debug = WSP_LLEVEL_ERROR;/* the default is to only log errors */
88
89 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, debug, CTLFLAG_RWTUN,
90 &wsp_debug, WSP_LLEVEL_ERROR, "WSP debug level");
91 #endif /* USB_DEBUG */
92
93 static struct wsp_tuning {
94 int scale_factor;
95 int z_factor;
96 int z_invert;
97 int pressure_touch_threshold;
98 int pressure_untouch_threshold;
99 int pressure_tap_threshold;
100 int scr_hor_threshold;
101 int max_finger_area;
102 int max_double_tap_distance;
103 int enable_single_tap_clicks;
104 int enable_single_tap_movement;
105 }
106 wsp_tuning =
107 {
108 .scale_factor = 12,
109 .z_factor = 5,
110 .z_invert = 0,
111 .pressure_touch_threshold = 50,
112 .pressure_untouch_threshold = 10,
113 .pressure_tap_threshold = 120,
114 .scr_hor_threshold = 20,
115 .max_finger_area = 1900,
116 .max_double_tap_distance = 2500,
117 .enable_single_tap_clicks = 1,
118 .enable_single_tap_movement = 1,
119 };
120
121 static void
wsp_runing_rangecheck(struct wsp_tuning * ptun)122 wsp_runing_rangecheck(struct wsp_tuning *ptun)
123 {
124 WSP_CLAMP(ptun->scale_factor, 1, 63);
125 WSP_CLAMP(ptun->z_factor, 1, 63);
126 WSP_CLAMP(ptun->z_invert, 0, 1);
127 WSP_CLAMP(ptun->pressure_touch_threshold, 1, 255);
128 WSP_CLAMP(ptun->pressure_untouch_threshold, 1, 255);
129 WSP_CLAMP(ptun->pressure_tap_threshold, 1, 255);
130 WSP_CLAMP(ptun->max_finger_area, 1, 2400);
131 WSP_CLAMP(ptun->max_double_tap_distance, 1, 16384);
132 WSP_CLAMP(ptun->scr_hor_threshold, 1, 255);
133 WSP_CLAMP(ptun->enable_single_tap_clicks, 0, 1);
134 WSP_CLAMP(ptun->enable_single_tap_movement, 0, 1);
135 }
136
137 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, scale_factor, CTLFLAG_RWTUN,
138 &wsp_tuning.scale_factor, 0, "movement scale factor");
139 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, z_factor, CTLFLAG_RWTUN,
140 &wsp_tuning.z_factor, 0, "Z-axis scale factor");
141 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, z_invert, CTLFLAG_RWTUN,
142 &wsp_tuning.z_invert, 0, "enable Z-axis inversion");
143 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_touch_threshold, CTLFLAG_RWTUN,
144 &wsp_tuning.pressure_touch_threshold, 0, "touch pressure threshold");
145 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_untouch_threshold, CTLFLAG_RWTUN,
146 &wsp_tuning.pressure_untouch_threshold, 0, "untouch pressure threshold");
147 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_tap_threshold, CTLFLAG_RWTUN,
148 &wsp_tuning.pressure_tap_threshold, 0, "tap pressure threshold");
149 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, max_finger_area, CTLFLAG_RWTUN,
150 &wsp_tuning.max_finger_area, 0, "maximum finger area");
151 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, max_double_tap_distance, CTLFLAG_RWTUN,
152 &wsp_tuning.max_double_tap_distance, 0, "maximum double-finger click distance");
153 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, scr_hor_threshold, CTLFLAG_RWTUN,
154 &wsp_tuning.scr_hor_threshold, 0, "horizontal scrolling threshold");
155 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, enable_single_tap_clicks, CTLFLAG_RWTUN,
156 &wsp_tuning.enable_single_tap_clicks, 0, "enable single tap clicks");
157 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, enable_single_tap_movement, CTLFLAG_RWTUN,
158 &wsp_tuning.enable_single_tap_movement, 0, "enable single tap movement");
159
160
161 /*
162 * Some tables, structures, definitions and constant values for the
163 * touchpad protocol has been copied from Linux's
164 * "drivers/input/mouse/bcm5974.c" which has the following copyright
165 * holders under GPLv2. All device specific code in this driver has
166 * been written from scratch. The decoding algorithm is based on
167 * output from FreeBSD's usbdump.
168 *
169 * Copyright (C) 2008 Henrik Rydberg (rydberg@euromail.se)
170 * Copyright (C) 2008 Scott Shawcroft (scott.shawcroft@gmail.com)
171 * Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com)
172 * Copyright (C) 2005 Johannes Berg (johannes@sipsolutions.net)
173 * Copyright (C) 2005 Stelian Pop (stelian@popies.net)
174 * Copyright (C) 2005 Frank Arnold (frank@scirocco-5v-turbo.de)
175 * Copyright (C) 2005 Peter Osterlund (petero2@telia.com)
176 * Copyright (C) 2005 Michael Hanselmann (linux-kernel@hansmi.ch)
177 * Copyright (C) 2006 Nicolas Boichat (nicolas@boichat.ch)
178 */
179
180 /* button data structure */
181 struct bt_data {
182 uint8_t unknown1; /* constant */
183 uint8_t button; /* left button */
184 uint8_t rel_x; /* relative x coordinate */
185 uint8_t rel_y; /* relative y coordinate */
186 } __packed;
187
188 /* trackpad header types */
189 enum tp_type {
190 TYPE1, /* plain trackpad */
191 TYPE2, /* button integrated in trackpad */
192 TYPE3, /* additional header fields since June 2013 */
193 TYPE4, /* additional header field for pressure data */
194 TYPE_CNT
195 };
196
197 /* trackpad finger data offsets, le16-aligned */
198 #define FINGER_TYPE1 (13 * 2)
199 #define FINGER_TYPE2 (15 * 2)
200 #define FINGER_TYPE3 (19 * 2)
201 #define FINGER_TYPE4 (23 * 2)
202
203 /* trackpad button data offsets */
204 #define BUTTON_TYPE2 15
205 #define BUTTON_TYPE3 23
206 #define BUTTON_TYPE4 31
207
208 /* list of device capability bits */
209 #define HAS_INTEGRATED_BUTTON 1
210
211 /* trackpad finger data block size */
212 #define FSIZE_TYPE1 (14 * 2)
213 #define FSIZE_TYPE2 (14 * 2)
214 #define FSIZE_TYPE3 (14 * 2)
215 #define FSIZE_TYPE4 (15 * 2)
216
217 struct wsp_tp {
218 uint8_t caps; /* device capability bitmask */
219 uint8_t button; /* offset to button data */
220 uint8_t offset; /* offset to trackpad finger data */
221 uint8_t fsize; /* bytes in single finger block */
222 uint8_t delta; /* offset from header to finger struct */
223 uint8_t iface_index;
224 uint8_t um_size; /* usb control message length */
225 uint8_t um_req_idx; /* usb control message index */
226 uint8_t um_switch_idx; /* usb control message mode switch index */
227 uint8_t um_switch_on; /* usb control message mode switch on */
228 uint8_t um_switch_off; /* usb control message mode switch off */
229 } const static wsp_tp[TYPE_CNT] = {
230 [TYPE1] = {
231 .caps = 0,
232 .button = 0,
233 .offset = FINGER_TYPE1,
234 .fsize = FSIZE_TYPE1,
235 .delta = 0,
236 .iface_index = 0,
237 .um_size = 8,
238 .um_req_idx = 0x00,
239 .um_switch_idx = 0,
240 .um_switch_on = 0x01,
241 .um_switch_off = 0x08,
242 },
243 [TYPE2] = {
244 .caps = HAS_INTEGRATED_BUTTON,
245 .button = BUTTON_TYPE2,
246 .offset = FINGER_TYPE2,
247 .fsize = FSIZE_TYPE2,
248 .delta = 0,
249 .iface_index = 0,
250 .um_size = 8,
251 .um_req_idx = 0x00,
252 .um_switch_idx = 0,
253 .um_switch_on = 0x01,
254 .um_switch_off = 0x08,
255 },
256 [TYPE3] = {
257 .caps = HAS_INTEGRATED_BUTTON,
258 .button = BUTTON_TYPE3,
259 .offset = FINGER_TYPE3,
260 .fsize = FSIZE_TYPE3,
261 .delta = 0,
262 },
263 [TYPE4] = {
264 .caps = HAS_INTEGRATED_BUTTON,
265 .button = BUTTON_TYPE4,
266 .offset = FINGER_TYPE4,
267 .fsize = FSIZE_TYPE4,
268 .delta = 2,
269 .iface_index = 2,
270 .um_size = 2,
271 .um_req_idx = 0x02,
272 .um_switch_idx = 1,
273 .um_switch_on = 0x01,
274 .um_switch_off = 0x00,
275 },
276 };
277
278 /* trackpad finger header - little endian */
279 struct tp_header {
280 uint8_t flag;
281 uint8_t sn0;
282 uint16_t wFixed0;
283 uint32_t dwSn1;
284 uint32_t dwFixed1;
285 uint16_t wLength;
286 uint8_t nfinger;
287 uint8_t ibt;
288 int16_t wUnknown[6];
289 uint8_t q1;
290 uint8_t q2;
291 } __packed;
292
293 /* trackpad finger structure - little endian */
294 struct tp_finger {
295 int16_t origin; /* zero when switching track finger */
296 int16_t abs_x; /* absolute x coodinate */
297 int16_t abs_y; /* absolute y coodinate */
298 int16_t rel_x; /* relative x coodinate */
299 int16_t rel_y; /* relative y coodinate */
300 int16_t tool_major; /* tool area, major axis */
301 int16_t tool_minor; /* tool area, minor axis */
302 int16_t orientation; /* 16384 when point, else 15 bit angle */
303 int16_t touch_major; /* touch area, major axis */
304 int16_t touch_minor; /* touch area, minor axis */
305 int16_t unused[2]; /* zeros */
306 int16_t pressure; /* pressure on forcetouch touchpad */
307 int16_t multi; /* one finger: varies, more fingers:
308 * constant */
309 } __packed;
310
311 /* trackpad finger data size, empirically at least ten fingers */
312 #ifdef EVDEV_SUPPORT
313 #define MAX_FINGERS MAX_MT_SLOTS
314 #else
315 #define MAX_FINGERS 16
316 #endif
317 #define SIZEOF_FINGER sizeof(struct tp_finger)
318 #define SIZEOF_ALL_FINGERS (MAX_FINGERS * SIZEOF_FINGER)
319 #define MAX_FINGER_ORIENTATION 16384
320
321 #if (WSP_BUFFER_MAX < ((MAX_FINGERS * FSIZE_TYPE4) + FINGER_TYPE4))
322 #error "WSP_BUFFER_MAX is too small"
323 #endif
324
325 enum {
326 WSP_FLAG_WELLSPRING1,
327 WSP_FLAG_WELLSPRING2,
328 WSP_FLAG_WELLSPRING3,
329 WSP_FLAG_WELLSPRING4,
330 WSP_FLAG_WELLSPRING4A,
331 WSP_FLAG_WELLSPRING5,
332 WSP_FLAG_WELLSPRING6A,
333 WSP_FLAG_WELLSPRING6,
334 WSP_FLAG_WELLSPRING5A,
335 WSP_FLAG_WELLSPRING7,
336 WSP_FLAG_WELLSPRING7A,
337 WSP_FLAG_WELLSPRING8,
338 WSP_FLAG_WELLSPRING9,
339 WSP_FLAG_MAX,
340 };
341
342 /* device-specific parameters */
343 struct wsp_param {
344 int snratio; /* signal-to-noise ratio */
345 int min; /* device minimum reading */
346 int max; /* device maximum reading */
347 int size; /* physical size, mm */
348 };
349
350 /* device-specific configuration */
351 struct wsp_dev_params {
352 const struct wsp_tp* tp;
353 struct wsp_param p; /* finger pressure limits */
354 struct wsp_param w; /* finger width limits */
355 struct wsp_param x; /* horizontal limits */
356 struct wsp_param y; /* vertical limits */
357 struct wsp_param o; /* orientation limits */
358 };
359
360 /* logical signal quality */
361 #define SN_PRESSURE 45 /* pressure signal-to-noise ratio */
362 #define SN_WIDTH 25 /* width signal-to-noise ratio */
363 #define SN_COORD 250 /* coordinate signal-to-noise ratio */
364 #define SN_ORIENT 10 /* orientation signal-to-noise ratio */
365
366 static const struct wsp_dev_params wsp_dev_params[WSP_FLAG_MAX] = {
367 [WSP_FLAG_WELLSPRING1] = {
368 .tp = wsp_tp + TYPE1,
369 .p = { SN_PRESSURE, 0, 256, 0 },
370 .w = { SN_WIDTH, 0, 2048, 0 },
371 .x = { SN_COORD, -4824, 5342, 105 },
372 .y = { SN_COORD, -172, 5820, 75 },
373 .o = { SN_ORIENT,
374 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
375 },
376 [WSP_FLAG_WELLSPRING2] = {
377 .tp = wsp_tp + TYPE1,
378 .p = { SN_PRESSURE, 0, 256, 0 },
379 .w = { SN_WIDTH, 0, 2048, 0 },
380 .x = { SN_COORD, -4824, 4824, 105 },
381 .y = { SN_COORD, -172, 4290, 75 },
382 .o = { SN_ORIENT,
383 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
384 },
385 [WSP_FLAG_WELLSPRING3] = {
386 .tp = wsp_tp + TYPE2,
387 .p = { SN_PRESSURE, 0, 300, 0 },
388 .w = { SN_WIDTH, 0, 2048, 0 },
389 .x = { SN_COORD, -4460, 5166, 105 },
390 .y = { SN_COORD, -75, 6700, 75 },
391 .o = { SN_ORIENT,
392 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
393 },
394 [WSP_FLAG_WELLSPRING4] = {
395 .tp = wsp_tp + TYPE2,
396 .p = { SN_PRESSURE, 0, 300, 0 },
397 .w = { SN_WIDTH, 0, 2048, 0 },
398 .x = { SN_COORD, -4620, 5140, 105 },
399 .y = { SN_COORD, -150, 6600, 75 },
400 .o = { SN_ORIENT,
401 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
402 },
403 [WSP_FLAG_WELLSPRING4A] = {
404 .tp = wsp_tp + TYPE2,
405 .p = { SN_PRESSURE, 0, 300, 0 },
406 .w = { SN_WIDTH, 0, 2048, 0 },
407 .x = { SN_COORD, -4616, 5112, 105 },
408 .y = { SN_COORD, -142, 5234, 75 },
409 .o = { SN_ORIENT,
410 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
411 },
412 [WSP_FLAG_WELLSPRING5] = {
413 .tp = wsp_tp + TYPE2,
414 .p = { SN_PRESSURE, 0, 300, 0 },
415 .w = { SN_WIDTH, 0, 2048, 0 },
416 .x = { SN_COORD, -4415, 5050, 105 },
417 .y = { SN_COORD, -55, 6680, 75 },
418 .o = { SN_ORIENT,
419 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
420 },
421 [WSP_FLAG_WELLSPRING6] = {
422 .tp = wsp_tp + TYPE2,
423 .p = { SN_PRESSURE, 0, 300, 0 },
424 .w = { SN_WIDTH, 0, 2048, 0 },
425 .x = { SN_COORD, -4620, 5140, 105 },
426 .y = { SN_COORD, -150, 6600, 75 },
427 .o = { SN_ORIENT,
428 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
429 },
430 [WSP_FLAG_WELLSPRING5A] = {
431 .tp = wsp_tp + TYPE2,
432 .p = { SN_PRESSURE, 0, 300, 0 },
433 .w = { SN_WIDTH, 0, 2048, 0 },
434 .x = { SN_COORD, -4750, 5280, 105 },
435 .y = { SN_COORD, -150, 6730, 75 },
436 .o = { SN_ORIENT,
437 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
438 },
439 [WSP_FLAG_WELLSPRING6A] = {
440 .tp = wsp_tp + TYPE2,
441 .p = { SN_PRESSURE, 0, 300, 0 },
442 .w = { SN_WIDTH, 0, 2048, 0 },
443 .x = { SN_COORD, -4620, 5140, 105 },
444 .y = { SN_COORD, -150, 6600, 75 },
445 .o = { SN_ORIENT,
446 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
447 },
448 [WSP_FLAG_WELLSPRING7] = {
449 .tp = wsp_tp + TYPE2,
450 .p = { SN_PRESSURE, 0, 300, 0 },
451 .w = { SN_WIDTH, 0, 2048, 0 },
452 .x = { SN_COORD, -4750, 5280, 105 },
453 .y = { SN_COORD, -150, 6730, 75 },
454 .o = { SN_ORIENT,
455 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
456 },
457 [WSP_FLAG_WELLSPRING7A] = {
458 .tp = wsp_tp + TYPE2,
459 .p = { SN_PRESSURE, 0, 300, 0 },
460 .w = { SN_WIDTH, 0, 2048, 0 },
461 .x = { SN_COORD, -4750, 5280, 105 },
462 .y = { SN_COORD, -150, 6730, 75 },
463 .o = { SN_ORIENT,
464 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
465 },
466 [WSP_FLAG_WELLSPRING8] = {
467 .tp = wsp_tp + TYPE3,
468 .p = { SN_PRESSURE, 0, 300, 0 },
469 .w = { SN_WIDTH, 0, 2048, 0 },
470 .x = { SN_COORD, -4620, 5140, 105 },
471 .y = { SN_COORD, -150, 6600, 75 },
472 .o = { SN_ORIENT,
473 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
474 },
475 [WSP_FLAG_WELLSPRING9] = {
476 .tp = wsp_tp + TYPE4,
477 .p = { SN_PRESSURE, 0, 300, 0 },
478 .w = { SN_WIDTH, 0, 2048, 0 },
479 .x = { SN_COORD, -4828, 5345, 105 },
480 .y = { SN_COORD, -203, 6803, 75 },
481 .o = { SN_ORIENT,
482 -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
483 },
484 };
485 #define WSP_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) }
486
487 static const STRUCT_USB_HOST_ID wsp_devs[] = {
488 /* MacbookAir1.1 */
489 WSP_DEV(APPLE, WELLSPRING_ANSI, WSP_FLAG_WELLSPRING1),
490 WSP_DEV(APPLE, WELLSPRING_ISO, WSP_FLAG_WELLSPRING1),
491 WSP_DEV(APPLE, WELLSPRING_JIS, WSP_FLAG_WELLSPRING1),
492
493 /* MacbookProPenryn, aka wellspring2 */
494 WSP_DEV(APPLE, WELLSPRING2_ANSI, WSP_FLAG_WELLSPRING2),
495 WSP_DEV(APPLE, WELLSPRING2_ISO, WSP_FLAG_WELLSPRING2),
496 WSP_DEV(APPLE, WELLSPRING2_JIS, WSP_FLAG_WELLSPRING2),
497
498 /* Macbook5,1 (unibody), aka wellspring3 */
499 WSP_DEV(APPLE, WELLSPRING3_ANSI, WSP_FLAG_WELLSPRING3),
500 WSP_DEV(APPLE, WELLSPRING3_ISO, WSP_FLAG_WELLSPRING3),
501 WSP_DEV(APPLE, WELLSPRING3_JIS, WSP_FLAG_WELLSPRING3),
502
503 /* MacbookAir3,2 (unibody), aka wellspring4 */
504 WSP_DEV(APPLE, WELLSPRING4_ANSI, WSP_FLAG_WELLSPRING4),
505 WSP_DEV(APPLE, WELLSPRING4_ISO, WSP_FLAG_WELLSPRING4),
506 WSP_DEV(APPLE, WELLSPRING4_JIS, WSP_FLAG_WELLSPRING4),
507
508 /* MacbookAir3,1 (unibody), aka wellspring4 */
509 WSP_DEV(APPLE, WELLSPRING4A_ANSI, WSP_FLAG_WELLSPRING4A),
510 WSP_DEV(APPLE, WELLSPRING4A_ISO, WSP_FLAG_WELLSPRING4A),
511 WSP_DEV(APPLE, WELLSPRING4A_JIS, WSP_FLAG_WELLSPRING4A),
512
513 /* Macbook8 (unibody, March 2011) */
514 WSP_DEV(APPLE, WELLSPRING5_ANSI, WSP_FLAG_WELLSPRING5),
515 WSP_DEV(APPLE, WELLSPRING5_ISO, WSP_FLAG_WELLSPRING5),
516 WSP_DEV(APPLE, WELLSPRING5_JIS, WSP_FLAG_WELLSPRING5),
517
518 /* MacbookAir4,1 (unibody, July 2011) */
519 WSP_DEV(APPLE, WELLSPRING6A_ANSI, WSP_FLAG_WELLSPRING6A),
520 WSP_DEV(APPLE, WELLSPRING6A_ISO, WSP_FLAG_WELLSPRING6A),
521 WSP_DEV(APPLE, WELLSPRING6A_JIS, WSP_FLAG_WELLSPRING6A),
522
523 /* MacbookAir4,2 (unibody, July 2011) */
524 WSP_DEV(APPLE, WELLSPRING6_ANSI, WSP_FLAG_WELLSPRING6),
525 WSP_DEV(APPLE, WELLSPRING6_ISO, WSP_FLAG_WELLSPRING6),
526 WSP_DEV(APPLE, WELLSPRING6_JIS, WSP_FLAG_WELLSPRING6),
527
528 /* Macbook8,2 (unibody) */
529 WSP_DEV(APPLE, WELLSPRING5A_ANSI, WSP_FLAG_WELLSPRING5A),
530 WSP_DEV(APPLE, WELLSPRING5A_ISO, WSP_FLAG_WELLSPRING5A),
531 WSP_DEV(APPLE, WELLSPRING5A_JIS, WSP_FLAG_WELLSPRING5A),
532
533 /* MacbookPro10,1 (unibody, June 2012) */
534 /* MacbookPro11,1-3 (unibody, June 2013) */
535 WSP_DEV(APPLE, WELLSPRING7_ANSI, WSP_FLAG_WELLSPRING7),
536 WSP_DEV(APPLE, WELLSPRING7_ISO, WSP_FLAG_WELLSPRING7),
537 WSP_DEV(APPLE, WELLSPRING7_JIS, WSP_FLAG_WELLSPRING7),
538
539 /* MacbookPro10,2 (unibody, October 2012) */
540 WSP_DEV(APPLE, WELLSPRING7A_ANSI, WSP_FLAG_WELLSPRING7A),
541 WSP_DEV(APPLE, WELLSPRING7A_ISO, WSP_FLAG_WELLSPRING7A),
542 WSP_DEV(APPLE, WELLSPRING7A_JIS, WSP_FLAG_WELLSPRING7A),
543
544 /* MacbookAir6,2 (unibody, June 2013) */
545 WSP_DEV(APPLE, WELLSPRING8_ANSI, WSP_FLAG_WELLSPRING8),
546 WSP_DEV(APPLE, WELLSPRING8_ISO, WSP_FLAG_WELLSPRING8),
547 WSP_DEV(APPLE, WELLSPRING8_JIS, WSP_FLAG_WELLSPRING8),
548
549 /* MacbookPro12,1 MacbookPro11,4 */
550 WSP_DEV(APPLE, WELLSPRING9_ANSI, WSP_FLAG_WELLSPRING9),
551 WSP_DEV(APPLE, WELLSPRING9_ISO, WSP_FLAG_WELLSPRING9),
552 WSP_DEV(APPLE, WELLSPRING9_JIS, WSP_FLAG_WELLSPRING9),
553 };
554
555 #define WSP_FIFO_BUF_SIZE 8 /* bytes */
556 #define WSP_FIFO_QUEUE_MAXLEN 50 /* units */
557
558 enum {
559 WSP_INTR_DT,
560 WSP_N_TRANSFER,
561 };
562
563 struct wsp_softc {
564 struct usb_device *sc_usb_device;
565 struct mtx sc_mutex; /* for synchronization */
566 struct usb_xfer *sc_xfer[WSP_N_TRANSFER];
567 struct usb_fifo_sc sc_fifo;
568
569 const struct wsp_dev_params *sc_params; /* device configuration */
570
571 #ifdef EVDEV_SUPPORT
572 struct evdev_dev *sc_evdev;
573 #endif
574 mousehw_t sc_hw;
575 mousemode_t sc_mode;
576 u_int sc_pollrate;
577 mousestatus_t sc_status;
578 int sc_fflags;
579 u_int sc_state;
580 #define WSP_ENABLED 0x01
581 #define WSP_EVDEV_OPENED 0x02
582
583 struct tp_finger *index[MAX_FINGERS]; /* finger index data */
584 int16_t pos_x[MAX_FINGERS]; /* position array */
585 int16_t pos_y[MAX_FINGERS]; /* position array */
586 int16_t pre_pos_x[MAX_FINGERS]; /* previous position array */
587 int16_t pre_pos_y[MAX_FINGERS]; /* previous position array */
588 u_int sc_touch; /* touch status */
589 #define WSP_UNTOUCH 0x00
590 #define WSP_FIRST_TOUCH 0x01
591 #define WSP_SECOND_TOUCH 0x02
592 #define WSP_TOUCHING 0x04
593 int dx_sum; /* x axis cumulative movement */
594 int dy_sum; /* y axis cumulative movement */
595 int dz_sum; /* z axis cumulative movement */
596 int dz_count;
597 #define WSP_DZ_MAX_COUNT 32
598 int dt_sum; /* T-axis cumulative movement */
599 int rdx; /* x axis remainder of divide by scale_factor */
600 int rdy; /* y axis remainder of divide by scale_factor */
601 int rdz; /* z axis remainder of divide by scale_factor */
602 int tp_datalen;
603 uint8_t o_ntouch; /* old touch finger status */
604 uint8_t finger; /* 0 or 1 *, check which finger moving */
605 uint16_t intr_count;
606 #define WSP_TAP_THRESHOLD 3
607 #define WSP_TAP_MAX_COUNT 20
608 int distance; /* the distance of 2 fingers */
609 uint8_t ibtn; /* button status in tapping */
610 uint8_t ntaps; /* finger status in tapping */
611 uint8_t scr_mode; /* scroll status in movement */
612 #define WSP_SCR_NONE 0
613 #define WSP_SCR_VER 1
614 #define WSP_SCR_HOR 2
615 uint8_t tp_data[WSP_BUFFER_MAX] __aligned(4); /* trackpad transferred data */
616 };
617
618 /*
619 * function prototypes
620 */
621 static usb_fifo_cmd_t wsp_fifo_start_read;
622 static usb_fifo_cmd_t wsp_fifo_stop_read;
623 static usb_fifo_open_t wsp_open;
624 static usb_fifo_close_t wsp_close;
625 static usb_fifo_ioctl_t wsp_ioctl;
626
627 static struct usb_fifo_methods wsp_fifo_methods = {
628 .f_open = &wsp_open,
629 .f_close = &wsp_close,
630 .f_ioctl = &wsp_ioctl,
631 .f_start_read = &wsp_fifo_start_read,
632 .f_stop_read = &wsp_fifo_stop_read,
633 .basename[0] = WSP_DRIVER_NAME,
634 };
635
636 #ifdef EVDEV_SUPPORT
637 static evdev_open_t wsp_ev_open;
638 static evdev_close_t wsp_ev_close;
639 static const struct evdev_methods wsp_evdev_methods = {
640 .ev_open = &wsp_ev_open,
641 .ev_close = &wsp_ev_close,
642 };
643 #endif
644
645 /* device initialization and shutdown */
646 static int wsp_enable(struct wsp_softc *sc);
647 static void wsp_disable(struct wsp_softc *sc);
648
649 /* updating fifo */
650 static void wsp_reset_buf(struct wsp_softc *sc);
651 static void wsp_add_to_queue(struct wsp_softc *, int, int, int, uint32_t);
652
653 /* Device methods. */
654 static device_probe_t wsp_probe;
655 static device_attach_t wsp_attach;
656 static device_detach_t wsp_detach;
657 static usb_callback_t wsp_intr_callback;
658
659 static const struct usb_config wsp_config[WSP_N_TRANSFER] = {
660 [WSP_INTR_DT] = {
661 .type = UE_INTERRUPT,
662 .endpoint = UE_ADDR_ANY,
663 .direction = UE_DIR_IN,
664 .flags = {
665 .pipe_bof = 0,
666 .short_xfer_ok = 1,
667 },
668 .bufsize = WSP_BUFFER_MAX,
669 .callback = &wsp_intr_callback,
670 },
671 };
672
673 static usb_error_t
wsp_set_device_mode(struct wsp_softc * sc,uint8_t on)674 wsp_set_device_mode(struct wsp_softc *sc, uint8_t on)
675 {
676 const struct wsp_dev_params *params = sc->sc_params;
677 uint8_t mode_bytes[8];
678 usb_error_t err;
679
680 /* Type 3 does not require a mode switch */
681 if (params->tp == wsp_tp + TYPE3)
682 return 0;
683
684 err = usbd_req_get_report(sc->sc_usb_device, NULL,
685 mode_bytes, params->tp->um_size, params->tp->iface_index,
686 UHID_FEATURE_REPORT, params->tp->um_req_idx);
687
688 if (err != USB_ERR_NORMAL_COMPLETION) {
689 DPRINTF("Failed to read device mode (%d)\n", err);
690 return (err);
691 }
692
693 /*
694 * XXX Need to wait at least 250ms for hardware to get
695 * ready. The device mode handling appears to be handled
696 * asynchronously and we should not issue these commands too
697 * quickly.
698 */
699 pause("WHW", hz / 4);
700
701 mode_bytes[params->tp->um_switch_idx] =
702 on ? params->tp->um_switch_on : params->tp->um_switch_off;
703
704 return (usbd_req_set_report(sc->sc_usb_device, NULL,
705 mode_bytes, params->tp->um_size, params->tp->iface_index,
706 UHID_FEATURE_REPORT, params->tp->um_req_idx));
707 }
708
709 static int
wsp_enable(struct wsp_softc * sc)710 wsp_enable(struct wsp_softc *sc)
711 {
712 /* reset status */
713 memset(&sc->sc_status, 0, sizeof(sc->sc_status));
714 sc->sc_state |= WSP_ENABLED;
715
716 DPRINTFN(WSP_LLEVEL_INFO, "enabled wsp\n");
717 return (0);
718 }
719
720 static void
wsp_disable(struct wsp_softc * sc)721 wsp_disable(struct wsp_softc *sc)
722 {
723 sc->sc_state &= ~WSP_ENABLED;
724 DPRINTFN(WSP_LLEVEL_INFO, "disabled wsp\n");
725 }
726
727 static int
wsp_probe(device_t self)728 wsp_probe(device_t self)
729 {
730 struct usb_attach_arg *uaa = device_get_ivars(self);
731 struct usb_interface_descriptor *id;
732 struct usb_interface *iface;
733 uint8_t i;
734
735 if (uaa->usb_mode != USB_MODE_HOST)
736 return (ENXIO);
737
738 /* figure out first interface matching */
739 for (i = 1;; i++) {
740 iface = usbd_get_iface(uaa->device, i);
741 if (iface == NULL || i == 3)
742 return (ENXIO);
743 id = iface->idesc;
744 if ((id == NULL) ||
745 (id->bInterfaceClass != UICLASS_HID) ||
746 (id->bInterfaceProtocol != 0 &&
747 id->bInterfaceProtocol != UIPROTO_MOUSE))
748 continue;
749 break;
750 }
751 /* check if we are attaching to the first match */
752 if (uaa->info.bIfaceIndex != i)
753 return (ENXIO);
754 if (usbd_lookup_id_by_uaa(wsp_devs, sizeof(wsp_devs), uaa) != 0)
755 return (ENXIO);
756
757 return (BUS_PROBE_DEFAULT);
758 }
759
760 static int
wsp_attach(device_t dev)761 wsp_attach(device_t dev)
762 {
763 struct wsp_softc *sc = device_get_softc(dev);
764 struct usb_attach_arg *uaa = device_get_ivars(dev);
765 usb_error_t err;
766 void *d_ptr = NULL;
767 uint16_t d_len;
768
769 DPRINTFN(WSP_LLEVEL_INFO, "sc=%p\n", sc);
770
771 /* Get HID descriptor */
772 err = usbd_req_get_hid_desc(uaa->device, NULL, &d_ptr,
773 &d_len, M_TEMP, uaa->info.bIfaceIndex);
774
775 if (err == USB_ERR_NORMAL_COMPLETION) {
776 /* Get HID report descriptor length */
777 sc->tp_datalen = hid_report_size_max(d_ptr, d_len, hid_input,
778 NULL);
779 free(d_ptr, M_TEMP);
780
781 if (sc->tp_datalen <= 0 || sc->tp_datalen > WSP_BUFFER_MAX) {
782 DPRINTF("Invalid datalength or too big "
783 "datalength: %d\n", sc->tp_datalen);
784 return (ENXIO);
785 }
786 } else {
787 return (ENXIO);
788 }
789
790 sc->sc_usb_device = uaa->device;
791
792 /* get device specific configuration */
793 sc->sc_params = wsp_dev_params + USB_GET_DRIVER_INFO(uaa);
794
795 /*
796 * By default the touchpad behaves like a HID device, sending
797 * packets with reportID = 8. Such reports contain only
798 * limited information. They encode movement deltas and button
799 * events, but do not include data from the pressure
800 * sensors. The device input mode can be switched from HID
801 * reports to raw sensor data using vendor-specific USB
802 * control commands:
803 */
804
805 /*
806 * During re-enumeration of the device we need to force the
807 * device back into HID mode before switching it to RAW
808 * mode. Else the device does not work like expected.
809 */
810 err = wsp_set_device_mode(sc, 0);
811 if (err != USB_ERR_NORMAL_COMPLETION) {
812 DPRINTF("Failed to set mode to HID MODE (%d)\n", err);
813 return (ENXIO);
814 }
815
816 err = wsp_set_device_mode(sc, 1);
817 if (err != USB_ERR_NORMAL_COMPLETION) {
818 DPRINTF("failed to set mode to RAW MODE (%d)\n", err);
819 return (ENXIO);
820 }
821
822 mtx_init(&sc->sc_mutex, "wspmtx", NULL, MTX_DEF | MTX_RECURSE);
823
824 err = usbd_transfer_setup(uaa->device,
825 &uaa->info.bIfaceIndex, sc->sc_xfer, wsp_config,
826 WSP_N_TRANSFER, sc, &sc->sc_mutex);
827 if (err) {
828 DPRINTF("error=%s\n", usbd_errstr(err));
829 goto detach;
830 }
831 if (usb_fifo_attach(sc->sc_usb_device, sc, &sc->sc_mutex,
832 &wsp_fifo_methods, &sc->sc_fifo,
833 device_get_unit(dev), -1, uaa->info.bIfaceIndex,
834 UID_ROOT, GID_OPERATOR, 0644)) {
835 goto detach;
836 }
837 device_set_usb_desc(dev);
838
839 sc->sc_hw.buttons = 3;
840 sc->sc_hw.iftype = MOUSE_IF_USB;
841 sc->sc_hw.type = MOUSE_PAD;
842 sc->sc_hw.model = MOUSE_MODEL_GENERIC;
843 sc->sc_mode.protocol = MOUSE_PROTO_MSC;
844 sc->sc_mode.rate = -1;
845 sc->sc_mode.resolution = MOUSE_RES_UNKNOWN;
846 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE;
847 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
848 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC;
849
850 sc->sc_touch = WSP_UNTOUCH;
851 sc->scr_mode = WSP_SCR_NONE;
852
853 #ifdef EVDEV_SUPPORT
854 sc->sc_evdev = evdev_alloc();
855 evdev_set_name(sc->sc_evdev, device_get_desc(dev));
856 evdev_set_phys(sc->sc_evdev, device_get_nameunit(dev));
857 evdev_set_id(sc->sc_evdev, BUS_USB, uaa->info.idVendor,
858 uaa->info.idProduct, 0);
859 evdev_set_serial(sc->sc_evdev, usb_get_serial(uaa->device));
860 evdev_set_methods(sc->sc_evdev, sc, &wsp_evdev_methods);
861 evdev_support_prop(sc->sc_evdev, INPUT_PROP_POINTER);
862 evdev_support_event(sc->sc_evdev, EV_SYN);
863 evdev_support_event(sc->sc_evdev, EV_ABS);
864 evdev_support_event(sc->sc_evdev, EV_KEY);
865
866 #define WSP_SUPPORT_ABS(evdev, code, param) \
867 evdev_support_abs((evdev), (code), (param).min, (param).max, \
868 ((param).max - (param).min) / (param).snratio, 0, \
869 (param).size != 0 ? ((param).max - (param).min) / (param).size : 0);
870
871 /* finger position */
872 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_POSITION_X, sc->sc_params->x);
873 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_POSITION_Y, sc->sc_params->y);
874 /* finger pressure */
875 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_PRESSURE, sc->sc_params->p);
876 /* finger touch area */
877 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_TOUCH_MAJOR, sc->sc_params->w);
878 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_TOUCH_MINOR, sc->sc_params->w);
879 /* finger approach area */
880 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_WIDTH_MAJOR, sc->sc_params->w);
881 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_WIDTH_MINOR, sc->sc_params->w);
882 /* finger orientation */
883 WSP_SUPPORT_ABS(sc->sc_evdev, ABS_MT_ORIENTATION, sc->sc_params->o);
884 /* button properties */
885 evdev_support_key(sc->sc_evdev, BTN_LEFT);
886 if ((sc->sc_params->tp->caps & HAS_INTEGRATED_BUTTON) != 0)
887 evdev_support_prop(sc->sc_evdev, INPUT_PROP_BUTTONPAD);
888 /* Enable automatic touch assignment for type B MT protocol */
889 evdev_support_abs(sc->sc_evdev, ABS_MT_SLOT,
890 0, MAX_FINGERS - 1, 0, 0, 0);
891 evdev_support_abs(sc->sc_evdev, ABS_MT_TRACKING_ID,
892 -1, MAX_FINGERS - 1, 0, 0, 0);
893 evdev_set_flag(sc->sc_evdev, EVDEV_FLAG_MT_TRACK);
894 evdev_set_flag(sc->sc_evdev, EVDEV_FLAG_MT_AUTOREL);
895 /* Synaptics compatibility events */
896 evdev_set_flag(sc->sc_evdev, EVDEV_FLAG_MT_STCOMPAT);
897
898 err = evdev_register(sc->sc_evdev);
899 if (err)
900 goto detach;
901 #endif
902
903 return (0);
904
905 detach:
906 wsp_detach(dev);
907 return (ENOMEM);
908 }
909
910 static int
wsp_detach(device_t dev)911 wsp_detach(device_t dev)
912 {
913 struct wsp_softc *sc = device_get_softc(dev);
914
915 (void) wsp_set_device_mode(sc, 0);
916
917 mtx_lock(&sc->sc_mutex);
918 if (sc->sc_state & WSP_ENABLED)
919 wsp_disable(sc);
920 mtx_unlock(&sc->sc_mutex);
921
922 usb_fifo_detach(&sc->sc_fifo);
923
924 #ifdef EVDEV_SUPPORT
925 evdev_free(sc->sc_evdev);
926 #endif
927
928 usbd_transfer_unsetup(sc->sc_xfer, WSP_N_TRANSFER);
929
930 mtx_destroy(&sc->sc_mutex);
931
932 return (0);
933 }
934
935 static void
wsp_intr_callback(struct usb_xfer * xfer,usb_error_t error)936 wsp_intr_callback(struct usb_xfer *xfer, usb_error_t error)
937 {
938 struct wsp_softc *sc = usbd_xfer_softc(xfer);
939 const struct wsp_dev_params *params = sc->sc_params;
940 struct usb_page_cache *pc;
941 struct tp_finger *f;
942 struct wsp_tuning tun = wsp_tuning;
943 int ntouch = 0; /* the finger number in touch */
944 int ibt = 0; /* button status */
945 int dx = 0;
946 int dy = 0;
947 int dz = 0;
948 int rdx = 0;
949 int rdy = 0;
950 int rdz = 0;
951 int len;
952 int i;
953 #ifdef EVDEV_SUPPORT
954 int slot = 0;
955 #endif
956
957 wsp_runing_rangecheck(&tun);
958
959 if (sc->dz_count == 0)
960 sc->dz_count = WSP_DZ_MAX_COUNT;
961
962 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
963
964 switch (USB_GET_STATE(xfer)) {
965 case USB_ST_TRANSFERRED:
966
967 /* copy out received data */
968 pc = usbd_xfer_get_frame(xfer, 0);
969 usbd_copy_out(pc, 0, sc->tp_data, len);
970
971 if ((len < params->tp->offset + params->tp->fsize) ||
972 ((len - params->tp->offset) % params->tp->fsize) != 0) {
973 DPRINTFN(WSP_LLEVEL_INFO, "Invalid length: %d, %x, %x\n",
974 len, sc->tp_data[0], sc->tp_data[1]);
975 goto tr_setup;
976 }
977
978 if (len < sc->tp_datalen) {
979 /* make sure we don't process old data */
980 memset(sc->tp_data + len, 0, sc->tp_datalen - len);
981 }
982
983 if (params->tp != wsp_tp + TYPE1) {
984 ibt = sc->tp_data[params->tp->button];
985 ntouch = sc->tp_data[params->tp->button - 1];
986 } else
987 ntouch = (len - params->tp->offset) / params->tp->fsize;
988
989 /* range check */
990 if (ntouch < 0)
991 ntouch = 0;
992 else if (ntouch > MAX_FINGERS)
993 ntouch = MAX_FINGERS;
994
995 for (i = 0; i != ntouch; i++) {
996 f = (struct tp_finger *)(sc->tp_data + params->tp->offset + params->tp->delta + i * params->tp->fsize);
997 /* swap endianness, if any */
998 if (le16toh(0x1234) != 0x1234) {
999 f->origin = le16toh((uint16_t)f->origin);
1000 f->abs_x = le16toh((uint16_t)f->abs_x);
1001 f->abs_y = le16toh((uint16_t)f->abs_y);
1002 f->rel_x = le16toh((uint16_t)f->rel_x);
1003 f->rel_y = le16toh((uint16_t)f->rel_y);
1004 f->tool_major = le16toh((uint16_t)f->tool_major);
1005 f->tool_minor = le16toh((uint16_t)f->tool_minor);
1006 f->orientation = le16toh((uint16_t)f->orientation);
1007 f->touch_major = le16toh((uint16_t)f->touch_major);
1008 f->touch_minor = le16toh((uint16_t)f->touch_minor);
1009 f->pressure = le16toh((uint16_t)f->pressure);
1010 f->multi = le16toh((uint16_t)f->multi);
1011 }
1012 DPRINTFN(WSP_LLEVEL_INFO,
1013 "[%d]ibt=%d, taps=%d, o=%4d, ax=%5d, ay=%5d, "
1014 "rx=%5d, ry=%5d, tlmaj=%4d, tlmin=%4d, ot=%4x, "
1015 "tchmaj=%4d, tchmin=%4d, presure=%4d, m=%4x\n",
1016 i, ibt, ntouch, f->origin, f->abs_x, f->abs_y,
1017 f->rel_x, f->rel_y, f->tool_major, f->tool_minor, f->orientation,
1018 f->touch_major, f->touch_minor, f->pressure, f->multi);
1019 sc->pos_x[i] = f->abs_x;
1020 sc->pos_y[i] = -f->abs_y;
1021 sc->index[i] = f;
1022 #ifdef EVDEV_SUPPORT
1023 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE && f->touch_major != 0) {
1024 union evdev_mt_slot slot_data = {
1025 .id = slot,
1026 .x = f->abs_x,
1027 .y = params->y.min + params->y.max - f->abs_y,
1028 .p = f->pressure,
1029 .maj = f->touch_major << 1,
1030 .min = f->touch_minor << 1,
1031 .w_maj = f->tool_major << 1,
1032 .w_min = f->tool_minor << 1,
1033 .ori = params->o.max - f->orientation,
1034 };
1035 evdev_mt_push_slot(sc->sc_evdev, slot, &slot_data);
1036 slot++;
1037 }
1038 #endif
1039 }
1040
1041 #ifdef EVDEV_SUPPORT
1042 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) {
1043 evdev_push_key(sc->sc_evdev, BTN_LEFT, ibt);
1044 evdev_sync(sc->sc_evdev);
1045 }
1046 #endif
1047 sc->sc_status.flags &= ~MOUSE_POSCHANGED;
1048 sc->sc_status.flags &= ~MOUSE_STDBUTTONSCHANGED;
1049 sc->sc_status.obutton = sc->sc_status.button;
1050 sc->sc_status.button = 0;
1051
1052 if (ntouch == 2) {
1053 sc->distance = max(sc->distance, max(
1054 abs(sc->pos_x[0] - sc->pos_x[1]),
1055 abs(sc->pos_y[0] - sc->pos_y[1])));
1056 }
1057
1058 if (ibt != 0) {
1059 if (params->tp->caps & HAS_INTEGRATED_BUTTON) {
1060 switch (ntouch) {
1061 case 1:
1062 sc->sc_status.button |= MOUSE_BUTTON1DOWN;
1063 break;
1064 case 2:
1065 if (sc->distance < tun.max_double_tap_distance && abs(sc->dx_sum) < 5 &&
1066 abs(sc->dy_sum) < 5)
1067 sc->sc_status.button |= MOUSE_BUTTON3DOWN;
1068 else
1069 sc->sc_status.button |= MOUSE_BUTTON1DOWN;
1070 break;
1071 case 3:
1072 sc->sc_status.button |= MOUSE_BUTTON2DOWN;
1073 break;
1074 default:
1075 break;
1076 }
1077 } else {
1078 sc->sc_status.button |= MOUSE_BUTTON1DOWN;
1079 }
1080
1081 sc->ibtn = 1;
1082 }
1083 sc->intr_count++;
1084
1085 if (sc->ntaps < ntouch) {
1086 switch (ntouch) {
1087 case 1:
1088 if (sc->index[0]->touch_major > tun.pressure_tap_threshold &&
1089 sc->index[0]->tool_major <= tun.max_finger_area)
1090 sc->ntaps = 1;
1091 break;
1092 case 2:
1093 if (sc->index[0]->touch_major > tun.pressure_tap_threshold-30 &&
1094 sc->index[1]->touch_major > tun.pressure_tap_threshold-30)
1095 sc->ntaps = 2;
1096 break;
1097 case 3:
1098 if (sc->index[0]->touch_major > tun.pressure_tap_threshold-40 &&
1099 sc->index[1]->touch_major > tun.pressure_tap_threshold-40 &&
1100 sc->index[2]->touch_major > tun.pressure_tap_threshold-40)
1101 sc->ntaps = 3;
1102 break;
1103 default:
1104 break;
1105 }
1106 }
1107
1108 if (sc->index[0]->touch_major < tun.pressure_untouch_threshold &&
1109 sc->sc_status.button == 0) {
1110 sc->sc_touch = WSP_UNTOUCH;
1111 if (sc->intr_count < WSP_TAP_MAX_COUNT &&
1112 sc->intr_count > WSP_TAP_THRESHOLD &&
1113 sc->ntaps && sc->ibtn == 0) {
1114 /*
1115 * Add a pair of events (button-down and
1116 * button-up).
1117 */
1118 switch (sc->ntaps) {
1119 case 1:
1120 if (!(params->tp->caps & HAS_INTEGRATED_BUTTON) || tun.enable_single_tap_clicks) {
1121 wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON1DOWN);
1122 DPRINTFN(WSP_LLEVEL_INFO, "LEFT CLICK!\n");
1123 }
1124 break;
1125 case 2:
1126 DPRINTFN(WSP_LLEVEL_INFO, "sum_x=%5d, sum_y=%5d\n",
1127 sc->dx_sum, sc->dy_sum);
1128 if (sc->distance < tun.max_double_tap_distance && abs(sc->dx_sum) < 5 &&
1129 abs(sc->dy_sum) < 5) {
1130 wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON3DOWN);
1131 DPRINTFN(WSP_LLEVEL_INFO, "RIGHT CLICK!\n");
1132 }
1133 break;
1134 case 3:
1135 wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON2DOWN);
1136 break;
1137 default:
1138 /* we don't handle taps of more than three fingers */
1139 break;
1140 }
1141 wsp_add_to_queue(sc, 0, 0, 0, 0); /* button release */
1142 }
1143 if ((sc->dt_sum / tun.scr_hor_threshold) != 0 &&
1144 sc->ntaps == 2 && sc->scr_mode == WSP_SCR_HOR) {
1145 /*
1146 * translate T-axis into button presses
1147 * until further
1148 */
1149 if (sc->dt_sum > 0)
1150 wsp_add_to_queue(sc, 0, 0, 0, 1UL << 3);
1151 else if (sc->dt_sum < 0)
1152 wsp_add_to_queue(sc, 0, 0, 0, 1UL << 4);
1153 }
1154 sc->dz_count = WSP_DZ_MAX_COUNT;
1155 sc->dz_sum = 0;
1156 sc->intr_count = 0;
1157 sc->ibtn = 0;
1158 sc->ntaps = 0;
1159 sc->finger = 0;
1160 sc->distance = 0;
1161 sc->dt_sum = 0;
1162 sc->dx_sum = 0;
1163 sc->dy_sum = 0;
1164 sc->rdx = 0;
1165 sc->rdy = 0;
1166 sc->rdz = 0;
1167 sc->scr_mode = WSP_SCR_NONE;
1168 } else if (sc->index[0]->touch_major >= tun.pressure_touch_threshold &&
1169 sc->sc_touch == WSP_UNTOUCH) { /* ignore first touch */
1170 sc->sc_touch = WSP_FIRST_TOUCH;
1171 } else if (sc->index[0]->touch_major >= tun.pressure_touch_threshold &&
1172 sc->sc_touch == WSP_FIRST_TOUCH) { /* ignore second touch */
1173 sc->sc_touch = WSP_SECOND_TOUCH;
1174 DPRINTFN(WSP_LLEVEL_INFO, "First pre_x[0]=%5d, pre_y[0]=%5d\n",
1175 sc->pre_pos_x[0], sc->pre_pos_y[0]);
1176 } else {
1177 if (sc->sc_touch == WSP_SECOND_TOUCH)
1178 sc->sc_touch = WSP_TOUCHING;
1179
1180 if (ntouch != 0 &&
1181 sc->index[0]->touch_major >= tun.pressure_touch_threshold) {
1182 dx = sc->pos_x[0] - sc->pre_pos_x[0];
1183 dy = sc->pos_y[0] - sc->pre_pos_y[0];
1184
1185 /* Optionally ignore movement during button is releasing */
1186 if (tun.enable_single_tap_movement != 1 && sc->ibtn != 0 && sc->sc_status.button == 0)
1187 dx = dy = 0;
1188
1189 /* Ignore movement if ntouch changed */
1190 if (sc->o_ntouch != ntouch)
1191 dx = dy = 0;
1192
1193 /* Ignore unexpected movement when typing (palm detection) */
1194 if (ntouch == 1 && sc->index[0]->tool_major > tun.max_finger_area)
1195 dx = dy = 0;
1196
1197 if (sc->ibtn != 0 && ntouch == 1 &&
1198 sc->intr_count < WSP_TAP_MAX_COUNT &&
1199 abs(sc->dx_sum) < 1 && abs(sc->dy_sum) < 1 )
1200 dx = dy = 0;
1201
1202 if (ntouch == 2 && sc->sc_status.button != 0) {
1203 dx = sc->pos_x[sc->finger] - sc->pre_pos_x[sc->finger];
1204 dy = sc->pos_y[sc->finger] - sc->pre_pos_y[sc->finger];
1205
1206 /*
1207 * Ignore movement of switch finger or
1208 * movement from ibt=0 to ibt=1
1209 */
1210 if (sc->index[0]->origin == 0 || sc->index[1]->origin == 0 ||
1211 sc->sc_status.obutton != sc->sc_status.button) {
1212 dx = dy = 0;
1213 sc->finger = 0;
1214 }
1215 if ((abs(sc->index[0]->rel_x) + abs(sc->index[0]->rel_y)) <
1216 (abs(sc->index[1]->rel_x) + abs(sc->index[1]->rel_y)) &&
1217 sc->finger == 0) {
1218 sc->sc_touch = WSP_SECOND_TOUCH;
1219 dx = dy = 0;
1220 sc->finger = 1;
1221 }
1222 if ((abs(sc->index[0]->rel_x) + abs(sc->index[0]->rel_y)) >=
1223 (abs(sc->index[1]->rel_x) + abs(sc->index[1]->rel_y)) &&
1224 sc->finger == 1) {
1225 sc->sc_touch = WSP_SECOND_TOUCH;
1226 dx = dy = 0;
1227 sc->finger = 0;
1228 }
1229 DPRINTFN(WSP_LLEVEL_INFO, "dx=%5d, dy=%5d, mov=%5d\n",
1230 dx, dy, sc->finger);
1231 }
1232 if (sc->dz_count--) {
1233 rdz = (dy + sc->rdz) % tun.scale_factor;
1234 sc->dz_sum -= (dy + sc->rdz) / tun.scale_factor;
1235 sc->rdz = rdz;
1236 }
1237 if ((sc->dz_sum / tun.z_factor) != 0)
1238 sc->dz_count = 0;
1239 }
1240 rdx = (dx + sc->rdx) % tun.scale_factor;
1241 dx = (dx + sc->rdx) / tun.scale_factor;
1242 sc->rdx = rdx;
1243
1244 rdy = (dy + sc->rdy) % tun.scale_factor;
1245 dy = (dy + sc->rdy) / tun.scale_factor;
1246 sc->rdy = rdy;
1247
1248 sc->dx_sum += dx;
1249 sc->dy_sum += dy;
1250
1251 if (ntouch == 2 && sc->sc_status.button == 0) {
1252 if (sc->scr_mode == WSP_SCR_NONE &&
1253 abs(sc->dx_sum) + abs(sc->dy_sum) > tun.scr_hor_threshold)
1254 sc->scr_mode = abs(sc->dx_sum) >
1255 abs(sc->dy_sum) * 2 ? WSP_SCR_HOR : WSP_SCR_VER;
1256 DPRINTFN(WSP_LLEVEL_INFO, "scr_mode=%5d, count=%d, dx_sum=%d, dy_sum=%d\n",
1257 sc->scr_mode, sc->intr_count, sc->dx_sum, sc->dy_sum);
1258 if (sc->scr_mode == WSP_SCR_HOR)
1259 sc->dt_sum += dx;
1260 else
1261 sc->dt_sum = 0;
1262
1263 dx = dy = 0;
1264 if (sc->dz_count == 0)
1265 dz = (sc->dz_sum / tun.z_factor) * (tun.z_invert ? -1 : 1);
1266 if (sc->scr_mode == WSP_SCR_HOR || sc->distance > tun.max_double_tap_distance)
1267 dz = 0;
1268 }
1269 if (ntouch == 3)
1270 dx = dy = dz = 0;
1271 if (sc->intr_count < WSP_TAP_MAX_COUNT &&
1272 abs(dx) < 3 && abs(dy) < 3 && abs(dz) < 3)
1273 dx = dy = dz = 0;
1274 else
1275 sc->intr_count = WSP_TAP_MAX_COUNT;
1276 if (dx || dy || dz)
1277 sc->sc_status.flags |= MOUSE_POSCHANGED;
1278 DPRINTFN(WSP_LLEVEL_INFO, "dx=%5d, dy=%5d, dz=%5d, sc_touch=%x, btn=%x\n",
1279 dx, dy, dz, sc->sc_touch, sc->sc_status.button);
1280 sc->sc_status.dx += dx;
1281 sc->sc_status.dy += dy;
1282 sc->sc_status.dz += dz;
1283
1284 wsp_add_to_queue(sc, dx, -dy, dz, sc->sc_status.button);
1285 if (sc->dz_count == 0) {
1286 sc->dz_sum = 0;
1287 sc->rdz = 0;
1288 }
1289 }
1290 sc->pre_pos_x[0] = sc->pos_x[0];
1291 sc->pre_pos_y[0] = sc->pos_y[0];
1292
1293 if (ntouch == 2 && sc->sc_status.button != 0) {
1294 sc->pre_pos_x[sc->finger] = sc->pos_x[sc->finger];
1295 sc->pre_pos_y[sc->finger] = sc->pos_y[sc->finger];
1296 }
1297 sc->o_ntouch = ntouch;
1298
1299 case USB_ST_SETUP:
1300 tr_setup:
1301 /* check if we can put more data into the FIFO */
1302 if (usb_fifo_put_bytes_max(
1303 sc->sc_fifo.fp[USB_FIFO_RX]) != 0) {
1304 usbd_xfer_set_frame_len(xfer, 0,
1305 sc->tp_datalen);
1306 usbd_transfer_submit(xfer);
1307 }
1308 break;
1309
1310 default: /* Error */
1311 if (error != USB_ERR_CANCELLED) {
1312 /* try clear stall first */
1313 usbd_xfer_set_stall(xfer);
1314 goto tr_setup;
1315 }
1316 break;
1317 }
1318 }
1319
1320 static void
wsp_add_to_queue(struct wsp_softc * sc,int dx,int dy,int dz,uint32_t buttons_in)1321 wsp_add_to_queue(struct wsp_softc *sc, int dx, int dy, int dz,
1322 uint32_t buttons_in)
1323 {
1324 uint32_t buttons_out;
1325 uint8_t buf[8];
1326
1327 dx = imin(dx, 254);
1328 dx = imax(dx, -256);
1329 dy = imin(dy, 254);
1330 dy = imax(dy, -256);
1331 dz = imin(dz, 126);
1332 dz = imax(dz, -128);
1333
1334 buttons_out = MOUSE_MSC_BUTTONS;
1335 if (buttons_in & MOUSE_BUTTON1DOWN)
1336 buttons_out &= ~MOUSE_MSC_BUTTON1UP;
1337 else if (buttons_in & MOUSE_BUTTON2DOWN)
1338 buttons_out &= ~MOUSE_MSC_BUTTON2UP;
1339 else if (buttons_in & MOUSE_BUTTON3DOWN)
1340 buttons_out &= ~MOUSE_MSC_BUTTON3UP;
1341
1342 /* Encode the mouse data in standard format; refer to mouse(4) */
1343 buf[0] = sc->sc_mode.syncmask[1];
1344 buf[0] |= buttons_out;
1345 buf[1] = dx >> 1;
1346 buf[2] = dy >> 1;
1347 buf[3] = dx - (dx >> 1);
1348 buf[4] = dy - (dy >> 1);
1349 /* Encode extra bytes for level 1 */
1350 if (sc->sc_mode.level == 1) {
1351 buf[5] = dz >> 1; /* dz / 2 */
1352 buf[6] = dz - (dz >> 1);/* dz - (dz / 2) */
1353 buf[7] = (((~buttons_in) >> 3) & MOUSE_SYS_EXTBUTTONS);
1354 }
1355 usb_fifo_put_data_linear(sc->sc_fifo.fp[USB_FIFO_RX], buf,
1356 sc->sc_mode.packetsize, 1);
1357 }
1358
1359 static void
wsp_reset_buf(struct wsp_softc * sc)1360 wsp_reset_buf(struct wsp_softc *sc)
1361 {
1362 /* reset read queue */
1363 usb_fifo_reset(sc->sc_fifo.fp[USB_FIFO_RX]);
1364 }
1365
1366 static void
wsp_start_read(struct wsp_softc * sc)1367 wsp_start_read(struct wsp_softc *sc)
1368 {
1369 int rate;
1370
1371 /* Check if we should override the default polling interval */
1372 rate = sc->sc_pollrate;
1373 /* Range check rate */
1374 if (rate > 1000)
1375 rate = 1000;
1376 /* Check for set rate */
1377 if ((rate > 0) && (sc->sc_xfer[WSP_INTR_DT] != NULL)) {
1378 /* Stop current transfer, if any */
1379 usbd_transfer_stop(sc->sc_xfer[WSP_INTR_DT]);
1380 /* Set new interval */
1381 usbd_xfer_set_interval(sc->sc_xfer[WSP_INTR_DT], 1000 / rate);
1382 /* Only set pollrate once */
1383 sc->sc_pollrate = 0;
1384 }
1385 usbd_transfer_start(sc->sc_xfer[WSP_INTR_DT]);
1386 }
1387
1388 static void
wsp_stop_read(struct wsp_softc * sc)1389 wsp_stop_read(struct wsp_softc *sc)
1390 {
1391 usbd_transfer_stop(sc->sc_xfer[WSP_INTR_DT]);
1392 }
1393
1394 static int
wsp_open(struct usb_fifo * fifo,int fflags)1395 wsp_open(struct usb_fifo *fifo, int fflags)
1396 {
1397 struct wsp_softc *sc = usb_fifo_softc(fifo);
1398 int rc = 0;
1399
1400 DPRINTFN(WSP_LLEVEL_INFO, "\n");
1401
1402 if (sc->sc_fflags & fflags)
1403 return (EBUSY);
1404
1405 if (fflags & FREAD) {
1406 if (usb_fifo_alloc_buffer(fifo,
1407 WSP_FIFO_BUF_SIZE, WSP_FIFO_QUEUE_MAXLEN)) {
1408 return (ENOMEM);
1409 }
1410 #ifdef EVDEV_SUPPORT
1411 if ((sc->sc_state & WSP_EVDEV_OPENED) == 0)
1412 #endif
1413 rc = wsp_enable(sc);
1414 if (rc != 0) {
1415 usb_fifo_free_buffer(fifo);
1416 return (rc);
1417 }
1418 }
1419 sc->sc_fflags |= fflags & (FREAD | FWRITE);
1420 return (0);
1421 }
1422
1423 static void
wsp_close(struct usb_fifo * fifo,int fflags)1424 wsp_close(struct usb_fifo *fifo, int fflags)
1425 {
1426 struct wsp_softc *sc = usb_fifo_softc(fifo);
1427
1428 if (fflags & FREAD) {
1429 #ifdef EVDEV_SUPPORT
1430 if ((sc->sc_state & WSP_EVDEV_OPENED) == 0)
1431 #endif
1432 wsp_disable(sc);
1433 usb_fifo_free_buffer(fifo);
1434 }
1435
1436 sc->sc_fflags &= ~(fflags & (FREAD | FWRITE));
1437 }
1438
1439 static void
wsp_fifo_start_read(struct usb_fifo * fifo)1440 wsp_fifo_start_read(struct usb_fifo *fifo)
1441 {
1442 struct wsp_softc *sc = usb_fifo_softc(fifo);
1443
1444 wsp_start_read(sc);
1445 }
1446
1447 static void
wsp_fifo_stop_read(struct usb_fifo * fifo)1448 wsp_fifo_stop_read(struct usb_fifo *fifo)
1449 {
1450 struct wsp_softc *sc = usb_fifo_softc(fifo);
1451
1452 #ifdef EVDEV_SUPPORT
1453 if ((sc->sc_state & WSP_EVDEV_OPENED) == 0)
1454 #endif
1455 wsp_stop_read(sc);
1456 }
1457
1458 #ifdef EVDEV_SUPPORT
1459 static int
wsp_ev_open(struct evdev_dev * evdev)1460 wsp_ev_open(struct evdev_dev *evdev)
1461 {
1462 struct wsp_softc *sc = evdev_get_softc(evdev);
1463 int rc = 0;
1464
1465 mtx_lock(&sc->sc_mutex);
1466 if (sc->sc_fflags == 0)
1467 rc = wsp_enable(sc);
1468 if (rc == 0) {
1469 wsp_start_read(sc);
1470 sc->sc_state |= WSP_EVDEV_OPENED;
1471 }
1472 mtx_unlock(&sc->sc_mutex);
1473
1474 return (rc);
1475 }
1476
1477 static int
wsp_ev_close(struct evdev_dev * evdev)1478 wsp_ev_close(struct evdev_dev *evdev)
1479 {
1480 struct wsp_softc *sc = evdev_get_softc(evdev);
1481
1482 mtx_lock(&sc->sc_mutex);
1483 sc->sc_state &= ~WSP_EVDEV_OPENED;
1484 if (sc->sc_fflags == 0)
1485 wsp_stop_read(sc);
1486 mtx_unlock(&sc->sc_mutex);
1487
1488 return (0);
1489 }
1490 #endif
1491
1492 int
wsp_ioctl(struct usb_fifo * fifo,u_long cmd,void * addr,int fflags)1493 wsp_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags)
1494 {
1495 struct wsp_softc *sc = usb_fifo_softc(fifo);
1496 mousemode_t mode;
1497 int error = 0;
1498
1499 mtx_lock(&sc->sc_mutex);
1500
1501 switch (cmd) {
1502 case MOUSE_GETHWINFO:
1503 *(mousehw_t *)addr = sc->sc_hw;
1504 break;
1505 case MOUSE_GETMODE:
1506 *(mousemode_t *)addr = sc->sc_mode;
1507 break;
1508 case MOUSE_SETMODE:
1509 mode = *(mousemode_t *)addr;
1510
1511 if (mode.level == -1)
1512 /* Don't change the current setting */
1513 ;
1514 else if ((mode.level < 0) || (mode.level > 1)) {
1515 error = EINVAL;
1516 goto done;
1517 }
1518 sc->sc_mode.level = mode.level;
1519 sc->sc_pollrate = mode.rate;
1520 sc->sc_hw.buttons = 3;
1521
1522 if (sc->sc_mode.level == 0) {
1523 sc->sc_mode.protocol = MOUSE_PROTO_MSC;
1524 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE;
1525 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
1526 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC;
1527 } else if (sc->sc_mode.level == 1) {
1528 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE;
1529 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE;
1530 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK;
1531 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC;
1532 }
1533 wsp_reset_buf(sc);
1534 break;
1535 case MOUSE_GETLEVEL:
1536 *(int *)addr = sc->sc_mode.level;
1537 break;
1538 case MOUSE_SETLEVEL:
1539 if (*(int *)addr < 0 || *(int *)addr > 1) {
1540 error = EINVAL;
1541 goto done;
1542 }
1543 sc->sc_mode.level = *(int *)addr;
1544 sc->sc_hw.buttons = 3;
1545
1546 if (sc->sc_mode.level == 0) {
1547 sc->sc_mode.protocol = MOUSE_PROTO_MSC;
1548 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE;
1549 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
1550 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC;
1551 } else if (sc->sc_mode.level == 1) {
1552 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE;
1553 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE;
1554 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK;
1555 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC;
1556 }
1557 wsp_reset_buf(sc);
1558 break;
1559 case MOUSE_GETSTATUS:{
1560 mousestatus_t *status = (mousestatus_t *)addr;
1561
1562 *status = sc->sc_status;
1563 sc->sc_status.obutton = sc->sc_status.button;
1564 sc->sc_status.button = 0;
1565 sc->sc_status.dx = 0;
1566 sc->sc_status.dy = 0;
1567 sc->sc_status.dz = 0;
1568
1569 if (status->dx || status->dy || status->dz)
1570 status->flags |= MOUSE_POSCHANGED;
1571 if (status->button != status->obutton)
1572 status->flags |= MOUSE_BUTTONSCHANGED;
1573 break;
1574 }
1575 default:
1576 error = ENOTTY;
1577 }
1578
1579 done:
1580 mtx_unlock(&sc->sc_mutex);
1581 return (error);
1582 }
1583
1584 static device_method_t wsp_methods[] = {
1585 /* Device interface */
1586 DEVMETHOD(device_probe, wsp_probe),
1587 DEVMETHOD(device_attach, wsp_attach),
1588 DEVMETHOD(device_detach, wsp_detach),
1589 DEVMETHOD_END
1590 };
1591
1592 static driver_t wsp_driver = {
1593 .name = WSP_DRIVER_NAME,
1594 .methods = wsp_methods,
1595 .size = sizeof(struct wsp_softc)
1596 };
1597
1598 DRIVER_MODULE(wsp, uhub, wsp_driver, NULL, NULL);
1599 MODULE_DEPEND(wsp, usb, 1, 1, 1);
1600 MODULE_DEPEND(wsp, hid, 1, 1, 1);
1601 #ifdef EVDEV_SUPPORT
1602 MODULE_DEPEND(wsp, evdev, 1, 1, 1);
1603 #endif
1604 MODULE_VERSION(wsp, 1);
1605 USB_PNP_HOST_INFO(wsp_devs);
1606