1 /*- 2 * Copyright (c) 2012 Huang Wen Hui 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/kernel.h> 33 #include <sys/malloc.h> 34 #include <sys/module.h> 35 #include <sys/lock.h> 36 #include <sys/mutex.h> 37 #include <sys/bus.h> 38 #include <sys/conf.h> 39 #include <sys/fcntl.h> 40 #include <sys/file.h> 41 #include <sys/selinfo.h> 42 #include <sys/poll.h> 43 #include <sys/sysctl.h> 44 45 #include <dev/usb/usb.h> 46 #include <dev/usb/usbdi.h> 47 #include <dev/usb/usbdi_util.h> 48 #include <dev/usb/usbhid.h> 49 50 #include "usbdevs.h" 51 52 #define USB_DEBUG_VAR wsp_debug 53 #include <dev/usb/usb_debug.h> 54 55 #include <sys/mouse.h> 56 57 #define WSP_DRIVER_NAME "wsp" 58 #define WSP_BUFFER_MAX 1024 59 60 #define WSP_CLAMP(x,low,high) do { \ 61 if ((x) < (low)) \ 62 (x) = (low); \ 63 else if ((x) > (high)) \ 64 (x) = (high); \ 65 } while (0) 66 67 /* Tunables */ 68 static SYSCTL_NODE(_hw_usb, OID_AUTO, wsp, CTLFLAG_RW, 0, "USB wsp"); 69 70 #ifdef USB_DEBUG 71 enum wsp_log_level { 72 WSP_LLEVEL_DISABLED = 0, 73 WSP_LLEVEL_ERROR, 74 WSP_LLEVEL_DEBUG, /* for troubleshooting */ 75 WSP_LLEVEL_INFO, /* for diagnostics */ 76 }; 77 static int wsp_debug = WSP_LLEVEL_ERROR;/* the default is to only log errors */ 78 79 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, debug, CTLFLAG_RWTUN, 80 &wsp_debug, WSP_LLEVEL_ERROR, "WSP debug level"); 81 #endif /* USB_DEBUG */ 82 83 static struct wsp_tuning { 84 int scale_factor; 85 int z_factor; 86 int pressure_touch_threshold; 87 int pressure_untouch_threshold; 88 int pressure_tap_threshold; 89 int scr_hor_threshold; 90 } 91 wsp_tuning = 92 { 93 .scale_factor = 12, 94 .z_factor = 5, 95 .pressure_touch_threshold = 50, 96 .pressure_untouch_threshold = 10, 97 .pressure_tap_threshold = 100, 98 .scr_hor_threshold = 10, 99 }; 100 101 static void 102 wsp_runing_rangecheck(struct wsp_tuning *ptun) 103 { 104 WSP_CLAMP(ptun->scale_factor, 1, 63); 105 WSP_CLAMP(ptun->z_factor, 1, 63); 106 WSP_CLAMP(ptun->pressure_touch_threshold, 1, 255); 107 WSP_CLAMP(ptun->pressure_untouch_threshold, 1, 255); 108 WSP_CLAMP(ptun->pressure_tap_threshold, 1, 255); 109 WSP_CLAMP(ptun->scr_hor_threshold, 1, 255); 110 } 111 112 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, scale_factor, CTLFLAG_RWTUN, 113 &wsp_tuning.scale_factor, 0, "movement scale factor"); 114 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, z_factor, CTLFLAG_RWTUN, 115 &wsp_tuning.z_factor, 0, "Z-axis scale factor"); 116 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_touch_threshold, CTLFLAG_RWTUN, 117 &wsp_tuning.pressure_touch_threshold, 0, "touch pressure threshold"); 118 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_untouch_threshold, CTLFLAG_RWTUN, 119 &wsp_tuning.pressure_untouch_threshold, 0, "untouch pressure threshold"); 120 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_tap_threshold, CTLFLAG_RWTUN, 121 &wsp_tuning.pressure_tap_threshold, 0, "tap pressure threshold"); 122 SYSCTL_INT(_hw_usb_wsp, OID_AUTO, scr_hor_threshold, CTLFLAG_RWTUN, 123 &wsp_tuning.scr_hor_threshold, 0, "horizontal scrolling threshold"); 124 125 #define WSP_IFACE_INDEX 1 126 127 /* 128 * Some tables, structures, definitions and constant values for the 129 * touchpad protocol has been copied from Linux's 130 * "drivers/input/mouse/bcm5974.c" which has the following copyright 131 * holders under GPLv2. All device specific code in this driver has 132 * been written from scratch. The decoding algorithm is based on 133 * output from FreeBSD's usbdump. 134 * 135 * Copyright (C) 2008 Henrik Rydberg (rydberg@euromail.se) 136 * Copyright (C) 2008 Scott Shawcroft (scott.shawcroft@gmail.com) 137 * Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com) 138 * Copyright (C) 2005 Johannes Berg (johannes@sipsolutions.net) 139 * Copyright (C) 2005 Stelian Pop (stelian@popies.net) 140 * Copyright (C) 2005 Frank Arnold (frank@scirocco-5v-turbo.de) 141 * Copyright (C) 2005 Peter Osterlund (petero2@telia.com) 142 * Copyright (C) 2005 Michael Hanselmann (linux-kernel@hansmi.ch) 143 * Copyright (C) 2006 Nicolas Boichat (nicolas@boichat.ch) 144 */ 145 146 /* button data structure */ 147 struct bt_data { 148 uint8_t unknown1; /* constant */ 149 uint8_t button; /* left button */ 150 uint8_t rel_x; /* relative x coordinate */ 151 uint8_t rel_y; /* relative y coordinate */ 152 } __packed; 153 154 /* trackpad header types */ 155 enum tp_type { 156 TYPE1, /* plain trackpad */ 157 TYPE2, /* button integrated in trackpad */ 158 TYPE3 /* additional header fields since June 2013 */ 159 }; 160 161 /* trackpad finger data offsets, le16-aligned */ 162 #define FINGER_TYPE1 (13 * 2) 163 #define FINGER_TYPE2 (15 * 2) 164 #define FINGER_TYPE3 (19 * 2) 165 166 /* trackpad button data offsets */ 167 #define BUTTON_TYPE2 15 168 #define BUTTON_TYPE3 23 169 170 /* list of device capability bits */ 171 #define HAS_INTEGRATED_BUTTON 1 172 173 /* trackpad finger header - little endian */ 174 struct tp_header { 175 uint8_t flag; 176 uint8_t sn0; 177 uint16_t wFixed0; 178 uint32_t dwSn1; 179 uint32_t dwFixed1; 180 uint16_t wLength; 181 uint8_t nfinger; 182 uint8_t ibt; 183 int16_t wUnknown[6]; 184 uint8_t q1; 185 uint8_t q2; 186 } __packed; 187 188 /* trackpad finger structure - little endian */ 189 struct tp_finger { 190 int16_t origin; /* zero when switching track finger */ 191 int16_t abs_x; /* absolute x coodinate */ 192 int16_t abs_y; /* absolute y coodinate */ 193 int16_t rel_x; /* relative x coodinate */ 194 int16_t rel_y; /* relative y coodinate */ 195 int16_t tool_major; /* tool area, major axis */ 196 int16_t tool_minor; /* tool area, minor axis */ 197 int16_t orientation; /* 16384 when point, else 15 bit angle */ 198 int16_t touch_major; /* touch area, major axis */ 199 int16_t touch_minor; /* touch area, minor axis */ 200 int16_t unused[3]; /* zeros */ 201 int16_t multi; /* one finger: varies, more fingers: 202 * constant */ 203 } __packed; 204 205 /* trackpad finger data size, empirically at least ten fingers */ 206 #define MAX_FINGERS 16 207 #define SIZEOF_FINGER sizeof(struct tp_finger) 208 #define SIZEOF_ALL_FINGERS (MAX_FINGERS * SIZEOF_FINGER) 209 210 #if (WSP_BUFFER_MAX < ((MAX_FINGERS * 14 * 2) + FINGER_TYPE3)) 211 #error "WSP_BUFFER_MAX is too small" 212 #endif 213 214 enum { 215 WSP_FLAG_WELLSPRING1, 216 WSP_FLAG_WELLSPRING2, 217 WSP_FLAG_WELLSPRING3, 218 WSP_FLAG_WELLSPRING4, 219 WSP_FLAG_WELLSPRING4A, 220 WSP_FLAG_WELLSPRING5, 221 WSP_FLAG_WELLSPRING6A, 222 WSP_FLAG_WELLSPRING6, 223 WSP_FLAG_WELLSPRING5A, 224 WSP_FLAG_WELLSPRING7, 225 WSP_FLAG_WELLSPRING7A, 226 WSP_FLAG_WELLSPRING8, 227 WSP_FLAG_MAX, 228 }; 229 230 /* device-specific configuration */ 231 struct wsp_dev_params { 232 uint8_t caps; /* device capability bitmask */ 233 uint8_t tp_type; /* type of trackpad interface */ 234 uint8_t tp_offset; /* offset to trackpad finger data */ 235 }; 236 237 static const struct wsp_dev_params wsp_dev_params[WSP_FLAG_MAX] = { 238 [WSP_FLAG_WELLSPRING1] = { 239 .caps = 0, 240 .tp_type = TYPE1, 241 .tp_offset = FINGER_TYPE1, 242 }, 243 [WSP_FLAG_WELLSPRING2] = { 244 .caps = 0, 245 .tp_type = TYPE1, 246 .tp_offset = FINGER_TYPE1, 247 }, 248 [WSP_FLAG_WELLSPRING3] = { 249 .caps = HAS_INTEGRATED_BUTTON, 250 .tp_type = TYPE2, 251 .tp_offset = FINGER_TYPE2, 252 }, 253 [WSP_FLAG_WELLSPRING4] = { 254 .caps = HAS_INTEGRATED_BUTTON, 255 .tp_type = TYPE2, 256 .tp_offset = FINGER_TYPE2, 257 }, 258 [WSP_FLAG_WELLSPRING4A] = { 259 .caps = HAS_INTEGRATED_BUTTON, 260 .tp_type = TYPE2, 261 .tp_offset = FINGER_TYPE2, 262 }, 263 [WSP_FLAG_WELLSPRING5] = { 264 .caps = HAS_INTEGRATED_BUTTON, 265 .tp_type = TYPE2, 266 .tp_offset = FINGER_TYPE2, 267 }, 268 [WSP_FLAG_WELLSPRING6] = { 269 .caps = HAS_INTEGRATED_BUTTON, 270 .tp_type = TYPE2, 271 .tp_offset = FINGER_TYPE2, 272 }, 273 [WSP_FLAG_WELLSPRING5A] = { 274 .caps = HAS_INTEGRATED_BUTTON, 275 .tp_type = TYPE2, 276 .tp_offset = FINGER_TYPE2, 277 }, 278 [WSP_FLAG_WELLSPRING6A] = { 279 .caps = HAS_INTEGRATED_BUTTON, 280 .tp_type = TYPE2, 281 .tp_offset = FINGER_TYPE2, 282 }, 283 [WSP_FLAG_WELLSPRING7] = { 284 .caps = HAS_INTEGRATED_BUTTON, 285 .tp_type = TYPE2, 286 .tp_offset = FINGER_TYPE2, 287 }, 288 [WSP_FLAG_WELLSPRING7A] = { 289 .caps = HAS_INTEGRATED_BUTTON, 290 .tp_type = TYPE2, 291 .tp_offset = FINGER_TYPE2, 292 }, 293 [WSP_FLAG_WELLSPRING8] = { 294 .caps = HAS_INTEGRATED_BUTTON, 295 .tp_type = TYPE3, 296 .tp_offset = FINGER_TYPE3, 297 }, 298 }; 299 300 #define WSP_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) } 301 302 static const STRUCT_USB_HOST_ID wsp_devs[] = { 303 /* MacbookAir1.1 */ 304 WSP_DEV(APPLE, WELLSPRING_ANSI, WSP_FLAG_WELLSPRING1), 305 WSP_DEV(APPLE, WELLSPRING_ISO, WSP_FLAG_WELLSPRING1), 306 WSP_DEV(APPLE, WELLSPRING_JIS, WSP_FLAG_WELLSPRING1), 307 308 /* MacbookProPenryn, aka wellspring2 */ 309 WSP_DEV(APPLE, WELLSPRING2_ANSI, WSP_FLAG_WELLSPRING2), 310 WSP_DEV(APPLE, WELLSPRING2_ISO, WSP_FLAG_WELLSPRING2), 311 WSP_DEV(APPLE, WELLSPRING2_JIS, WSP_FLAG_WELLSPRING2), 312 313 /* Macbook5,1 (unibody), aka wellspring3 */ 314 WSP_DEV(APPLE, WELLSPRING3_ANSI, WSP_FLAG_WELLSPRING3), 315 WSP_DEV(APPLE, WELLSPRING3_ISO, WSP_FLAG_WELLSPRING3), 316 WSP_DEV(APPLE, WELLSPRING3_JIS, WSP_FLAG_WELLSPRING3), 317 318 /* MacbookAir3,2 (unibody), aka wellspring4 */ 319 WSP_DEV(APPLE, WELLSPRING4_ANSI, WSP_FLAG_WELLSPRING4), 320 WSP_DEV(APPLE, WELLSPRING4_ISO, WSP_FLAG_WELLSPRING4), 321 WSP_DEV(APPLE, WELLSPRING4_JIS, WSP_FLAG_WELLSPRING4), 322 323 /* MacbookAir3,1 (unibody), aka wellspring4 */ 324 WSP_DEV(APPLE, WELLSPRING4A_ANSI, WSP_FLAG_WELLSPRING4A), 325 WSP_DEV(APPLE, WELLSPRING4A_ISO, WSP_FLAG_WELLSPRING4A), 326 WSP_DEV(APPLE, WELLSPRING4A_JIS, WSP_FLAG_WELLSPRING4A), 327 328 /* Macbook8 (unibody, March 2011) */ 329 WSP_DEV(APPLE, WELLSPRING5_ANSI, WSP_FLAG_WELLSPRING5), 330 WSP_DEV(APPLE, WELLSPRING5_ISO, WSP_FLAG_WELLSPRING5), 331 WSP_DEV(APPLE, WELLSPRING5_JIS, WSP_FLAG_WELLSPRING5), 332 333 /* MacbookAir4,1 (unibody, July 2011) */ 334 WSP_DEV(APPLE, WELLSPRING6A_ANSI, WSP_FLAG_WELLSPRING6A), 335 WSP_DEV(APPLE, WELLSPRING6A_ISO, WSP_FLAG_WELLSPRING6A), 336 WSP_DEV(APPLE, WELLSPRING6A_JIS, WSP_FLAG_WELLSPRING6A), 337 338 /* MacbookAir4,2 (unibody, July 2011) */ 339 WSP_DEV(APPLE, WELLSPRING6_ANSI, WSP_FLAG_WELLSPRING6), 340 WSP_DEV(APPLE, WELLSPRING6_ISO, WSP_FLAG_WELLSPRING6), 341 WSP_DEV(APPLE, WELLSPRING6_JIS, WSP_FLAG_WELLSPRING6), 342 343 /* Macbook8,2 (unibody) */ 344 WSP_DEV(APPLE, WELLSPRING5A_ANSI, WSP_FLAG_WELLSPRING5A), 345 WSP_DEV(APPLE, WELLSPRING5A_ISO, WSP_FLAG_WELLSPRING5A), 346 WSP_DEV(APPLE, WELLSPRING5A_JIS, WSP_FLAG_WELLSPRING5A), 347 348 /* MacbookPro10,1 (unibody, June 2012) */ 349 /* MacbookPro11,? (unibody, June 2013) */ 350 WSP_DEV(APPLE, WELLSPRING7_ANSI, WSP_FLAG_WELLSPRING7), 351 WSP_DEV(APPLE, WELLSPRING7_ISO, WSP_FLAG_WELLSPRING7), 352 WSP_DEV(APPLE, WELLSPRING7_JIS, WSP_FLAG_WELLSPRING7), 353 354 /* MacbookPro10,2 (unibody, October 2012) */ 355 WSP_DEV(APPLE, WELLSPRING7A_ANSI, WSP_FLAG_WELLSPRING7A), 356 WSP_DEV(APPLE, WELLSPRING7A_ISO, WSP_FLAG_WELLSPRING7A), 357 WSP_DEV(APPLE, WELLSPRING7A_JIS, WSP_FLAG_WELLSPRING7A), 358 359 /* MacbookAir6,2 (unibody, June 2013) */ 360 WSP_DEV(APPLE, WELLSPRING8_ANSI, WSP_FLAG_WELLSPRING8), 361 WSP_DEV(APPLE, WELLSPRING8_ISO, WSP_FLAG_WELLSPRING8), 362 WSP_DEV(APPLE, WELLSPRING8_JIS, WSP_FLAG_WELLSPRING8), 363 }; 364 365 #define WSP_FIFO_BUF_SIZE 8 /* bytes */ 366 #define WSP_FIFO_QUEUE_MAXLEN 50 /* units */ 367 368 enum { 369 WSP_INTR_DT, 370 WSP_N_TRANSFER, 371 }; 372 373 struct wsp_softc { 374 struct usb_device *sc_usb_device; 375 struct mtx sc_mutex; /* for synchronization */ 376 struct usb_xfer *sc_xfer[WSP_N_TRANSFER]; 377 struct usb_fifo_sc sc_fifo; 378 379 const struct wsp_dev_params *sc_params; /* device configuration */ 380 381 mousehw_t sc_hw; 382 mousemode_t sc_mode; 383 u_int sc_pollrate; 384 mousestatus_t sc_status; 385 u_int sc_state; 386 #define WSP_ENABLED 0x01 387 388 struct tp_finger *index[MAX_FINGERS]; /* finger index data */ 389 int16_t pos_x[MAX_FINGERS]; /* position array */ 390 int16_t pos_y[MAX_FINGERS]; /* position array */ 391 u_int sc_touch; /* touch status */ 392 #define WSP_UNTOUCH 0x00 393 #define WSP_FIRST_TOUCH 0x01 394 #define WSP_SECOND_TOUCH 0x02 395 #define WSP_TOUCHING 0x04 396 int16_t pre_pos_x; /* previous position array */ 397 int16_t pre_pos_y; /* previous position array */ 398 int dx_sum; /* x axis cumulative movement */ 399 int dy_sum; /* y axis cumulative movement */ 400 int dz_sum; /* z axis cumulative movement */ 401 int dz_count; 402 #define WSP_DZ_MAX_COUNT 32 403 int dt_sum; /* T-axis cumulative movement */ 404 int rdx; /* x axis remainder of divide by scale_factor */ 405 int rdy; /* y axis remainder of divide by scale_factor */ 406 int rdz; /* z axis remainder of divide by scale_factor */ 407 int tp_datalen; 408 uint8_t o_ntouch; /* old touch finger status */ 409 uint8_t finger; /* 0 or 1 *, check which finger moving */ 410 uint16_t intr_count; 411 #define WSP_TAP_THRESHOLD 3 412 #define WSP_TAP_MAX_COUNT 20 413 int distance; /* the distance of 2 fingers */ 414 #define MAX_DISTANCE 2500 /* the max allowed distance */ 415 uint8_t ibtn; /* button status in tapping */ 416 uint8_t ntaps; /* finger status in tapping */ 417 uint8_t scr_mode; /* scroll status in movement */ 418 #define WSP_SCR_NONE 0 419 #define WSP_SCR_VER 1 420 #define WSP_SCR_HOR 2 421 uint8_t tp_data[WSP_BUFFER_MAX] __aligned(4); /* trackpad transferred data */ 422 }; 423 424 typedef enum interface_mode { 425 RAW_SENSOR_MODE = 0x01, 426 HID_MODE = 0x08 427 } interface_mode; 428 429 /* 430 * function prototypes 431 */ 432 static usb_fifo_cmd_t wsp_start_read; 433 static usb_fifo_cmd_t wsp_stop_read; 434 static usb_fifo_open_t wsp_open; 435 static usb_fifo_close_t wsp_close; 436 static usb_fifo_ioctl_t wsp_ioctl; 437 438 static struct usb_fifo_methods wsp_fifo_methods = { 439 .f_open = &wsp_open, 440 .f_close = &wsp_close, 441 .f_ioctl = &wsp_ioctl, 442 .f_start_read = &wsp_start_read, 443 .f_stop_read = &wsp_stop_read, 444 .basename[0] = WSP_DRIVER_NAME, 445 }; 446 447 /* device initialization and shutdown */ 448 static int wsp_enable(struct wsp_softc *sc); 449 static void wsp_disable(struct wsp_softc *sc); 450 451 /* updating fifo */ 452 static void wsp_reset_buf(struct wsp_softc *sc); 453 static void wsp_add_to_queue(struct wsp_softc *, int, int, int, uint32_t); 454 455 /* Device methods. */ 456 static device_probe_t wsp_probe; 457 static device_attach_t wsp_attach; 458 static device_detach_t wsp_detach; 459 static usb_callback_t wsp_intr_callback; 460 461 static const struct usb_config wsp_config[WSP_N_TRANSFER] = { 462 [WSP_INTR_DT] = { 463 .type = UE_INTERRUPT, 464 .endpoint = UE_ADDR_ANY, 465 .direction = UE_DIR_IN, 466 .flags = { 467 .pipe_bof = 0, 468 .short_xfer_ok = 1, 469 }, 470 .bufsize = WSP_BUFFER_MAX, 471 .callback = &wsp_intr_callback, 472 }, 473 }; 474 475 static usb_error_t 476 wsp_set_device_mode(struct wsp_softc *sc, interface_mode mode) 477 { 478 uint8_t mode_bytes[8]; 479 usb_error_t err; 480 481 err = usbd_req_get_report(sc->sc_usb_device, NULL, 482 mode_bytes, sizeof(mode_bytes), 0, 483 0x03, 0x00); 484 485 if (err != USB_ERR_NORMAL_COMPLETION) { 486 DPRINTF("Failed to read device mode (%d)\n", err); 487 return (err); 488 } 489 490 /* 491 * XXX Need to wait at least 250ms for hardware to get 492 * ready. The device mode handling appears to be handled 493 * asynchronously and we should not issue these commands too 494 * quickly. 495 */ 496 pause("WHW", hz / 4); 497 498 mode_bytes[0] = mode; 499 500 return (usbd_req_set_report(sc->sc_usb_device, NULL, 501 mode_bytes, sizeof(mode_bytes), 0, 502 0x03, 0x00)); 503 } 504 505 static int 506 wsp_enable(struct wsp_softc *sc) 507 { 508 /* reset status */ 509 memset(&sc->sc_status, 0, sizeof(sc->sc_status)); 510 sc->sc_state |= WSP_ENABLED; 511 512 DPRINTFN(WSP_LLEVEL_INFO, "enabled wsp\n"); 513 return (0); 514 } 515 516 static void 517 wsp_disable(struct wsp_softc *sc) 518 { 519 sc->sc_state &= ~WSP_ENABLED; 520 DPRINTFN(WSP_LLEVEL_INFO, "disabled wsp\n"); 521 } 522 523 static int 524 wsp_probe(device_t self) 525 { 526 struct usb_attach_arg *uaa = device_get_ivars(self); 527 528 if (uaa->usb_mode != USB_MODE_HOST) 529 return (ENXIO); 530 531 if (uaa->info.bIfaceIndex != WSP_IFACE_INDEX) 532 return (ENXIO); 533 534 if ((uaa->info.bInterfaceClass != UICLASS_HID) || 535 (uaa->info.bInterfaceProtocol != 0)) 536 return (ENXIO); 537 538 return (usbd_lookup_id_by_uaa(wsp_devs, sizeof(wsp_devs), uaa)); 539 } 540 541 static int 542 wsp_attach(device_t dev) 543 { 544 struct wsp_softc *sc = device_get_softc(dev); 545 struct usb_attach_arg *uaa = device_get_ivars(dev); 546 usb_error_t err; 547 void *d_ptr = NULL; 548 uint16_t d_len; 549 550 DPRINTFN(WSP_LLEVEL_INFO, "sc=%p\n", sc); 551 552 /* Get HID descriptor */ 553 err = usbd_req_get_hid_desc(uaa->device, NULL, &d_ptr, 554 &d_len, M_TEMP, uaa->info.bIfaceIndex); 555 556 if (err == USB_ERR_NORMAL_COMPLETION) { 557 /* Get HID report descriptor length */ 558 sc->tp_datalen = hid_report_size(d_ptr, d_len, hid_input, NULL); 559 free(d_ptr, M_TEMP); 560 561 if (sc->tp_datalen <= 0 || sc->tp_datalen > WSP_BUFFER_MAX) { 562 DPRINTF("Invalid datalength or too big " 563 "datalength: %d\n", sc->tp_datalen); 564 return (ENXIO); 565 } 566 } else { 567 return (ENXIO); 568 } 569 570 sc->sc_usb_device = uaa->device; 571 572 /* 573 * By default the touchpad behaves like a HID device, sending 574 * packets with reportID = 8. Such reports contain only 575 * limited information. They encode movement deltas and button 576 * events, but do not include data from the pressure 577 * sensors. The device input mode can be switched from HID 578 * reports to raw sensor data using vendor-specific USB 579 * control commands: 580 */ 581 582 /* 583 * During re-enumeration of the device we need to force the 584 * device back into HID mode before switching it to RAW 585 * mode. Else the device does not work like expected. 586 */ 587 err = wsp_set_device_mode(sc, HID_MODE); 588 if (err != USB_ERR_NORMAL_COMPLETION) { 589 DPRINTF("Failed to set mode to HID MODE (%d)\n", err); 590 return (ENXIO); 591 } 592 593 err = wsp_set_device_mode(sc, RAW_SENSOR_MODE); 594 if (err != USB_ERR_NORMAL_COMPLETION) { 595 DPRINTF("failed to set mode to RAW MODE (%d)\n", err); 596 return (ENXIO); 597 } 598 599 mtx_init(&sc->sc_mutex, "wspmtx", NULL, MTX_DEF | MTX_RECURSE); 600 601 /* get device specific configuration */ 602 sc->sc_params = wsp_dev_params + USB_GET_DRIVER_INFO(uaa); 603 604 err = usbd_transfer_setup(uaa->device, 605 &uaa->info.bIfaceIndex, sc->sc_xfer, wsp_config, 606 WSP_N_TRANSFER, sc, &sc->sc_mutex); 607 if (err) { 608 DPRINTF("error=%s\n", usbd_errstr(err)); 609 goto detach; 610 } 611 if (usb_fifo_attach(sc->sc_usb_device, sc, &sc->sc_mutex, 612 &wsp_fifo_methods, &sc->sc_fifo, 613 device_get_unit(dev), -1, uaa->info.bIfaceIndex, 614 UID_ROOT, GID_OPERATOR, 0644)) { 615 goto detach; 616 } 617 device_set_usb_desc(dev); 618 619 sc->sc_hw.buttons = 3; 620 sc->sc_hw.iftype = MOUSE_IF_USB; 621 sc->sc_hw.type = MOUSE_PAD; 622 sc->sc_hw.model = MOUSE_MODEL_GENERIC; 623 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 624 sc->sc_mode.rate = -1; 625 sc->sc_mode.resolution = MOUSE_RES_UNKNOWN; 626 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 627 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 628 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 629 630 sc->sc_touch = WSP_UNTOUCH; 631 sc->scr_mode = WSP_SCR_NONE; 632 633 return (0); 634 635 detach: 636 wsp_detach(dev); 637 return (ENOMEM); 638 } 639 640 static int 641 wsp_detach(device_t dev) 642 { 643 struct wsp_softc *sc = device_get_softc(dev); 644 645 (void) wsp_set_device_mode(sc, HID_MODE); 646 647 mtx_lock(&sc->sc_mutex); 648 if (sc->sc_state & WSP_ENABLED) 649 wsp_disable(sc); 650 mtx_unlock(&sc->sc_mutex); 651 652 usb_fifo_detach(&sc->sc_fifo); 653 654 usbd_transfer_unsetup(sc->sc_xfer, WSP_N_TRANSFER); 655 656 mtx_destroy(&sc->sc_mutex); 657 658 return (0); 659 } 660 661 static void 662 wsp_intr_callback(struct usb_xfer *xfer, usb_error_t error) 663 { 664 struct wsp_softc *sc = usbd_xfer_softc(xfer); 665 const struct wsp_dev_params *params = sc->sc_params; 666 struct usb_page_cache *pc; 667 struct tp_finger *f; 668 struct tp_header *h; 669 struct wsp_tuning tun = wsp_tuning; 670 int ntouch = 0; /* the finger number in touch */ 671 int ibt = 0; /* button status */ 672 int dx = 0; 673 int dy = 0; 674 int dz = 0; 675 int rdx = 0; 676 int rdy = 0; 677 int rdz = 0; 678 int len; 679 int i; 680 681 wsp_runing_rangecheck(&tun); 682 683 if (sc->dz_count == 0) 684 sc->dz_count = WSP_DZ_MAX_COUNT; 685 686 usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 687 688 switch (USB_GET_STATE(xfer)) { 689 case USB_ST_TRANSFERRED: 690 691 /* copy out received data */ 692 pc = usbd_xfer_get_frame(xfer, 0); 693 usbd_copy_out(pc, 0, sc->tp_data, len); 694 695 if (len < sc->tp_datalen) { 696 /* make sure we don't process old data */ 697 memset(sc->tp_data + len, 0, sc->tp_datalen - len); 698 } 699 700 h = (struct tp_header *)(sc->tp_data); 701 702 if (params->tp_type == TYPE2) { 703 ibt = sc->tp_data[BUTTON_TYPE2]; 704 ntouch = sc->tp_data[BUTTON_TYPE2 - 1]; 705 } else if (params->tp_type == TYPE3) { 706 ibt = sc->tp_data[BUTTON_TYPE3]; 707 ntouch = sc->tp_data[BUTTON_TYPE3 - 1]; 708 } 709 /* range check */ 710 if (ntouch < 0) 711 ntouch = 0; 712 else if (ntouch > MAX_FINGERS) 713 ntouch = MAX_FINGERS; 714 715 f = (struct tp_finger *)(sc->tp_data + params->tp_offset); 716 717 for (i = 0; i != ntouch; i++) { 718 /* swap endianness, if any */ 719 if (le16toh(0x1234) != 0x1234) { 720 f[i].origin = le16toh((uint16_t)f[i].origin); 721 f[i].abs_x = le16toh((uint16_t)f[i].abs_x); 722 f[i].abs_y = le16toh((uint16_t)f[i].abs_y); 723 f[i].rel_x = le16toh((uint16_t)f[i].rel_x); 724 f[i].rel_y = le16toh((uint16_t)f[i].rel_y); 725 f[i].tool_major = le16toh((uint16_t)f[i].tool_major); 726 f[i].tool_minor = le16toh((uint16_t)f[i].tool_minor); 727 f[i].orientation = le16toh((uint16_t)f[i].orientation); 728 f[i].touch_major = le16toh((uint16_t)f[i].touch_major); 729 f[i].touch_minor = le16toh((uint16_t)f[i].touch_minor); 730 f[i].multi = le16toh((uint16_t)f[i].multi); 731 } 732 DPRINTFN(WSP_LLEVEL_INFO, "[%d]ibt=%d, taps=%d, u=%x, o=%4d, ax=%5d, ay=%5d, " 733 "rx=%5d, ry=%5d, tlmaj=%4d, tlmin=%4d, ot=%5d, tchmaj=%4d, tchmin=%4d, m=%4x\n", 734 i, ibt, ntouch, h->q2, 735 f[i].origin, f[i].abs_x, f[i].abs_y, f[i].rel_x, f[i].rel_y, 736 f[i].tool_major, f[i].tool_minor, f[i].orientation, 737 f[i].touch_major, f[i].touch_minor, f[i].multi); 738 739 sc->pos_x[i] = f[i].abs_x; 740 sc->pos_y[i] = -f[i].abs_y; 741 sc->index[i] = &f[i]; 742 } 743 744 sc->sc_status.flags &= ~MOUSE_POSCHANGED; 745 sc->sc_status.flags &= ~MOUSE_STDBUTTONSCHANGED; 746 sc->sc_status.obutton = sc->sc_status.button; 747 sc->sc_status.button = 0; 748 749 if (ibt != 0) { 750 sc->sc_status.button |= MOUSE_BUTTON1DOWN; 751 sc->ibtn = 1; 752 } 753 if (h->q2 == 4) 754 sc->intr_count++; 755 756 if (sc->ntaps < ntouch) { 757 switch (ntouch) { 758 case 1: 759 if (f[0].touch_major > tun.pressure_tap_threshold) 760 sc->ntaps = 1; 761 break; 762 case 2: 763 if (f[0].touch_major > tun.pressure_tap_threshold && 764 f[1].touch_major > tun.pressure_tap_threshold) 765 sc->ntaps = 2; 766 break; 767 case 3: 768 if (f[0].touch_major > tun.pressure_tap_threshold && 769 f[1].touch_major > tun.pressure_tap_threshold && 770 f[2].touch_major > tun.pressure_tap_threshold) 771 sc->ntaps = 3; 772 break; 773 default: 774 break; 775 } 776 } 777 if (ntouch == 2) { 778 sc->distance = max(sc->distance, max( 779 abs(sc->pos_x[0] - sc->pos_x[1]), 780 abs(sc->pos_y[0] - sc->pos_y[1]))); 781 } 782 if (f[0].touch_major < tun.pressure_untouch_threshold && 783 sc->sc_status.button == 0) { 784 sc->sc_touch = WSP_UNTOUCH; 785 if (sc->intr_count < WSP_TAP_MAX_COUNT && 786 sc->intr_count > WSP_TAP_THRESHOLD && 787 sc->ntaps && sc->ibtn == 0) { 788 /* 789 * Add a pair of events (button-down and 790 * button-up). 791 */ 792 switch (sc->ntaps) { 793 case 1: 794 if (!(params->caps & HAS_INTEGRATED_BUTTON)) { 795 wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON1DOWN); 796 DPRINTFN(WSP_LLEVEL_INFO, "LEFT CLICK!\n"); 797 } 798 break; 799 case 2: 800 DPRINTFN(WSP_LLEVEL_INFO, "sum_x=%5d, sum_y=%5d\n", 801 sc->dx_sum, sc->dy_sum); 802 if (sc->distance < MAX_DISTANCE && abs(sc->dx_sum) < 5 && 803 abs(sc->dy_sum) < 5) { 804 wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON3DOWN); 805 DPRINTFN(WSP_LLEVEL_INFO, "RIGHT CLICK!\n"); 806 } 807 break; 808 case 3: 809 wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON2DOWN); 810 break; 811 default: 812 /* we don't handle taps of more than three fingers */ 813 break; 814 } 815 wsp_add_to_queue(sc, 0, 0, 0, 0); /* button release */ 816 } 817 if ((sc->dt_sum / tun.scr_hor_threshold) != 0 && 818 sc->ntaps == 2 && sc->scr_mode == WSP_SCR_HOR) { 819 820 /* 821 * translate T-axis into button presses 822 * until further 823 */ 824 if (sc->dt_sum > 0) 825 wsp_add_to_queue(sc, 0, 0, 0, 1UL << 3); 826 else if (sc->dt_sum < 0) 827 wsp_add_to_queue(sc, 0, 0, 0, 1UL << 4); 828 } 829 sc->dz_count = WSP_DZ_MAX_COUNT; 830 sc->dz_sum = 0; 831 sc->intr_count = 0; 832 sc->ibtn = 0; 833 sc->ntaps = 0; 834 sc->finger = 0; 835 sc->distance = 0; 836 sc->dt_sum = 0; 837 sc->dx_sum = 0; 838 sc->dy_sum = 0; 839 sc->rdx = 0; 840 sc->rdy = 0; 841 sc->rdz = 0; 842 sc->scr_mode = WSP_SCR_NONE; 843 } else if (f[0].touch_major >= tun.pressure_touch_threshold && 844 sc->sc_touch == WSP_UNTOUCH) { /* ignore first touch */ 845 sc->sc_touch = WSP_FIRST_TOUCH; 846 } else if (f[0].touch_major >= tun.pressure_touch_threshold && 847 sc->sc_touch == WSP_FIRST_TOUCH) { /* ignore second touch */ 848 sc->sc_touch = WSP_SECOND_TOUCH; 849 DPRINTFN(WSP_LLEVEL_INFO, "Fist pre_x=%5d, pre_y=%5d\n", 850 sc->pre_pos_x, sc->pre_pos_y); 851 } else { 852 if (sc->sc_touch == WSP_SECOND_TOUCH) 853 sc->sc_touch = WSP_TOUCHING; 854 855 if (ntouch != 0 && 856 h->q2 == 4 && 857 f[0].touch_major >= tun.pressure_touch_threshold) { 858 dx = sc->pos_x[0] - sc->pre_pos_x; 859 dy = sc->pos_y[0] - sc->pre_pos_y; 860 861 /* Ignore movement from ibt=1 to ibt=0 */ 862 if (sc->sc_status.obutton != 0 && 863 sc->sc_status.button == 0) { 864 dx = 0; 865 dy = 0; 866 } 867 /* Ignore movement if ntouch changed */ 868 if (sc->o_ntouch != ntouch) { 869 dx = 0; 870 dy = 0; 871 } 872 873 if (ntouch == 2 && sc->sc_status.button != 0) { 874 dx = sc->pos_x[sc->finger] - sc->pre_pos_x; 875 dy = sc->pos_y[sc->finger] - sc->pre_pos_y; 876 877 /* 878 * Ignore movement of switch finger or 879 * movement from ibt=0 to ibt=1 880 */ 881 if (f[0].origin == 0 || f[1].origin == 0 || 882 sc->sc_status.obutton != sc->sc_status.button) { 883 dx = 0; 884 dy = 0; 885 sc->finger = 0; 886 } 887 if ((abs(f[0].rel_x) + abs(f[0].rel_y)) < 888 (abs(f[1].rel_x) + abs(f[1].rel_y)) && 889 sc->finger == 0) { 890 sc->sc_touch = WSP_SECOND_TOUCH; 891 dx = 0; 892 dy = 0; 893 sc->finger = 1; 894 } 895 if ((abs(f[0].rel_x) + abs(f[0].rel_y)) >= 896 (abs(f[1].rel_x) + abs(f[1].rel_y)) && 897 sc->finger == 1) { 898 sc->sc_touch = WSP_SECOND_TOUCH; 899 dx = 0; 900 dy = 0; 901 sc->finger = 0; 902 } 903 DPRINTFN(WSP_LLEVEL_INFO, "dx=%5d, dy=%5d, mov=%5d\n", 904 dx, dy, sc->finger); 905 } 906 if (sc->dz_count--) { 907 rdz = (dy + sc->rdz) % tun.scale_factor; 908 sc->dz_sum -= (dy + sc->rdz) / tun.scale_factor; 909 sc->rdz = rdz; 910 } 911 if ((sc->dz_sum / tun.z_factor) != 0) 912 sc->dz_count = 0; 913 } 914 rdx = (dx + sc->rdx) % tun.scale_factor; 915 dx = (dx + sc->rdx) / tun.scale_factor; 916 sc->rdx = rdx; 917 918 rdy = (dy + sc->rdy) % tun.scale_factor; 919 dy = (dy + sc->rdy) / tun.scale_factor; 920 sc->rdy = rdy; 921 922 sc->dx_sum += dx; 923 sc->dy_sum += dy; 924 925 if (ntouch == 2 && sc->sc_status.button == 0) { 926 if (sc->scr_mode == WSP_SCR_NONE && 927 abs(sc->dx_sum) + abs(sc->dy_sum) > tun.scr_hor_threshold) 928 sc->scr_mode = abs(sc->dx_sum) > 929 abs(sc->dy_sum) * 3 ? WSP_SCR_HOR : 930 WSP_SCR_VER; 931 DPRINTFN(WSP_LLEVEL_INFO, "scr_mode=%5d, count=%d, dx_sum=%d, dy_sum=%d\n", 932 sc->scr_mode, sc->intr_count, sc->dx_sum, sc->dy_sum); 933 if (sc->scr_mode == WSP_SCR_HOR) 934 sc->dt_sum += dx; 935 else 936 sc->dt_sum = 0; 937 938 dx = 0; 939 dy = 0; 940 if (sc->dz_count == 0) 941 dz = sc->dz_sum / tun.z_factor; 942 if (sc->scr_mode == WSP_SCR_HOR || 943 abs(sc->pos_x[0] - sc->pos_x[1]) > MAX_DISTANCE || 944 abs(sc->pos_y[0] - sc->pos_y[1]) > MAX_DISTANCE) 945 dz = 0; 946 } 947 if (ntouch == 3) { 948 dx = 0; 949 dy = 0; 950 dz = 0; 951 } 952 if (sc->intr_count < WSP_TAP_MAX_COUNT && 953 abs(dx) < 3 && abs(dy) < 3 && abs(dz) < 3) { 954 dx = dy = dz = 0; 955 } else 956 sc->intr_count = WSP_TAP_MAX_COUNT; 957 if (dx || dy || dz) 958 sc->sc_status.flags |= MOUSE_POSCHANGED; 959 DPRINTFN(WSP_LLEVEL_INFO, "dx=%5d, dy=%5d, dz=%5d, sc_touch=%x, btn=%x\n", 960 dx, dy, dz, sc->sc_touch, sc->sc_status.button); 961 sc->sc_status.dx += dx; 962 sc->sc_status.dy += dy; 963 sc->sc_status.dz += dz; 964 965 wsp_add_to_queue(sc, dx, -dy, dz, sc->sc_status.button); 966 if (sc->dz_count == 0) { 967 sc->dz_sum = 0; 968 sc->rdz = 0; 969 } 970 971 } 972 sc->pre_pos_x = sc->pos_x[0]; 973 sc->pre_pos_y = sc->pos_y[0]; 974 975 if (ntouch == 2 && sc->sc_status.button != 0) { 976 sc->pre_pos_x = sc->pos_x[sc->finger]; 977 sc->pre_pos_y = sc->pos_y[sc->finger]; 978 } 979 sc->o_ntouch = ntouch; 980 981 case USB_ST_SETUP: 982 tr_setup: 983 /* check if we can put more data into the FIFO */ 984 if (usb_fifo_put_bytes_max( 985 sc->sc_fifo.fp[USB_FIFO_RX]) != 0) { 986 usbd_xfer_set_frame_len(xfer, 0, 987 sc->tp_datalen); 988 usbd_transfer_submit(xfer); 989 } 990 break; 991 992 default: /* Error */ 993 if (error != USB_ERR_CANCELLED) { 994 /* try clear stall first */ 995 usbd_xfer_set_stall(xfer); 996 goto tr_setup; 997 } 998 break; 999 } 1000 } 1001 1002 static void 1003 wsp_add_to_queue(struct wsp_softc *sc, int dx, int dy, int dz, 1004 uint32_t buttons_in) 1005 { 1006 uint32_t buttons_out; 1007 uint8_t buf[8]; 1008 1009 dx = imin(dx, 254); 1010 dx = imax(dx, -256); 1011 dy = imin(dy, 254); 1012 dy = imax(dy, -256); 1013 dz = imin(dz, 126); 1014 dz = imax(dz, -128); 1015 1016 buttons_out = MOUSE_MSC_BUTTONS; 1017 if (buttons_in & MOUSE_BUTTON1DOWN) 1018 buttons_out &= ~MOUSE_MSC_BUTTON1UP; 1019 else if (buttons_in & MOUSE_BUTTON2DOWN) 1020 buttons_out &= ~MOUSE_MSC_BUTTON2UP; 1021 else if (buttons_in & MOUSE_BUTTON3DOWN) 1022 buttons_out &= ~MOUSE_MSC_BUTTON3UP; 1023 1024 /* Encode the mouse data in standard format; refer to mouse(4) */ 1025 buf[0] = sc->sc_mode.syncmask[1]; 1026 buf[0] |= buttons_out; 1027 buf[1] = dx >> 1; 1028 buf[2] = dy >> 1; 1029 buf[3] = dx - (dx >> 1); 1030 buf[4] = dy - (dy >> 1); 1031 /* Encode extra bytes for level 1 */ 1032 if (sc->sc_mode.level == 1) { 1033 buf[5] = dz >> 1; /* dz / 2 */ 1034 buf[6] = dz - (dz >> 1);/* dz - (dz / 2) */ 1035 buf[7] = (((~buttons_in) >> 3) & MOUSE_SYS_EXTBUTTONS); 1036 } 1037 usb_fifo_put_data_linear(sc->sc_fifo.fp[USB_FIFO_RX], buf, 1038 sc->sc_mode.packetsize, 1); 1039 } 1040 1041 static void 1042 wsp_reset_buf(struct wsp_softc *sc) 1043 { 1044 /* reset read queue */ 1045 usb_fifo_reset(sc->sc_fifo.fp[USB_FIFO_RX]); 1046 } 1047 1048 static void 1049 wsp_start_read(struct usb_fifo *fifo) 1050 { 1051 struct wsp_softc *sc = usb_fifo_softc(fifo); 1052 int rate; 1053 1054 /* Check if we should override the default polling interval */ 1055 rate = sc->sc_pollrate; 1056 /* Range check rate */ 1057 if (rate > 1000) 1058 rate = 1000; 1059 /* Check for set rate */ 1060 if ((rate > 0) && (sc->sc_xfer[WSP_INTR_DT] != NULL)) { 1061 /* Stop current transfer, if any */ 1062 usbd_transfer_stop(sc->sc_xfer[WSP_INTR_DT]); 1063 /* Set new interval */ 1064 usbd_xfer_set_interval(sc->sc_xfer[WSP_INTR_DT], 1000 / rate); 1065 /* Only set pollrate once */ 1066 sc->sc_pollrate = 0; 1067 } 1068 usbd_transfer_start(sc->sc_xfer[WSP_INTR_DT]); 1069 } 1070 1071 static void 1072 wsp_stop_read(struct usb_fifo *fifo) 1073 { 1074 struct wsp_softc *sc = usb_fifo_softc(fifo); 1075 1076 usbd_transfer_stop(sc->sc_xfer[WSP_INTR_DT]); 1077 } 1078 1079 1080 static int 1081 wsp_open(struct usb_fifo *fifo, int fflags) 1082 { 1083 DPRINTFN(WSP_LLEVEL_INFO, "\n"); 1084 1085 if (fflags & FREAD) { 1086 struct wsp_softc *sc = usb_fifo_softc(fifo); 1087 int rc; 1088 1089 if (sc->sc_state & WSP_ENABLED) 1090 return (EBUSY); 1091 1092 if (usb_fifo_alloc_buffer(fifo, 1093 WSP_FIFO_BUF_SIZE, WSP_FIFO_QUEUE_MAXLEN)) { 1094 return (ENOMEM); 1095 } 1096 rc = wsp_enable(sc); 1097 if (rc != 0) { 1098 usb_fifo_free_buffer(fifo); 1099 return (rc); 1100 } 1101 } 1102 return (0); 1103 } 1104 1105 static void 1106 wsp_close(struct usb_fifo *fifo, int fflags) 1107 { 1108 if (fflags & FREAD) { 1109 struct wsp_softc *sc = usb_fifo_softc(fifo); 1110 1111 wsp_disable(sc); 1112 usb_fifo_free_buffer(fifo); 1113 } 1114 } 1115 1116 int 1117 wsp_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags) 1118 { 1119 struct wsp_softc *sc = usb_fifo_softc(fifo); 1120 mousemode_t mode; 1121 int error = 0; 1122 1123 mtx_lock(&sc->sc_mutex); 1124 1125 switch (cmd) { 1126 case MOUSE_GETHWINFO: 1127 *(mousehw_t *)addr = sc->sc_hw; 1128 break; 1129 case MOUSE_GETMODE: 1130 *(mousemode_t *)addr = sc->sc_mode; 1131 break; 1132 case MOUSE_SETMODE: 1133 mode = *(mousemode_t *)addr; 1134 1135 if (mode.level == -1) 1136 /* Don't change the current setting */ 1137 ; 1138 else if ((mode.level < 0) || (mode.level > 1)) { 1139 error = EINVAL; 1140 goto done; 1141 } 1142 sc->sc_mode.level = mode.level; 1143 sc->sc_pollrate = mode.rate; 1144 sc->sc_hw.buttons = 3; 1145 1146 if (sc->sc_mode.level == 0) { 1147 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 1148 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 1149 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 1150 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 1151 } else if (sc->sc_mode.level == 1) { 1152 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE; 1153 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE; 1154 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK; 1155 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC; 1156 } 1157 wsp_reset_buf(sc); 1158 break; 1159 case MOUSE_GETLEVEL: 1160 *(int *)addr = sc->sc_mode.level; 1161 break; 1162 case MOUSE_SETLEVEL: 1163 if (*(int *)addr < 0 || *(int *)addr > 1) { 1164 error = EINVAL; 1165 goto done; 1166 } 1167 sc->sc_mode.level = *(int *)addr; 1168 sc->sc_hw.buttons = 3; 1169 1170 if (sc->sc_mode.level == 0) { 1171 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 1172 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 1173 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 1174 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 1175 } else if (sc->sc_mode.level == 1) { 1176 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE; 1177 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE; 1178 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK; 1179 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC; 1180 } 1181 wsp_reset_buf(sc); 1182 break; 1183 case MOUSE_GETSTATUS:{ 1184 mousestatus_t *status = (mousestatus_t *)addr; 1185 1186 *status = sc->sc_status; 1187 sc->sc_status.obutton = sc->sc_status.button; 1188 sc->sc_status.button = 0; 1189 sc->sc_status.dx = 0; 1190 sc->sc_status.dy = 0; 1191 sc->sc_status.dz = 0; 1192 1193 if (status->dx || status->dy || status->dz) 1194 status->flags |= MOUSE_POSCHANGED; 1195 if (status->button != status->obutton) 1196 status->flags |= MOUSE_BUTTONSCHANGED; 1197 break; 1198 } 1199 default: 1200 error = ENOTTY; 1201 } 1202 1203 done: 1204 mtx_unlock(&sc->sc_mutex); 1205 return (error); 1206 } 1207 1208 static device_method_t wsp_methods[] = { 1209 /* Device interface */ 1210 DEVMETHOD(device_probe, wsp_probe), 1211 DEVMETHOD(device_attach, wsp_attach), 1212 DEVMETHOD(device_detach, wsp_detach), 1213 DEVMETHOD_END 1214 }; 1215 1216 static driver_t wsp_driver = { 1217 .name = WSP_DRIVER_NAME, 1218 .methods = wsp_methods, 1219 .size = sizeof(struct wsp_softc) 1220 }; 1221 1222 static devclass_t wsp_devclass; 1223 1224 DRIVER_MODULE(wsp, uhub, wsp_driver, wsp_devclass, NULL, 0); 1225 MODULE_DEPEND(wsp, usb, 1, 1, 1); 1226 MODULE_VERSION(wsp, 1); 1227