1 /*- 2 * Copyright (c) 1998 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Lennart Augustsson (lennart@augustsson.net) at 7 * Carlstedt Research & Technology. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 /* 35 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf 36 */ 37 38 #include <sys/stdint.h> 39 #include <sys/stddef.h> 40 #include <sys/param.h> 41 #include <sys/queue.h> 42 #include <sys/types.h> 43 #include <sys/systm.h> 44 #include <sys/kernel.h> 45 #include <sys/bus.h> 46 #include <sys/module.h> 47 #include <sys/lock.h> 48 #include <sys/mutex.h> 49 #include <sys/condvar.h> 50 #include <sys/sysctl.h> 51 #include <sys/sx.h> 52 #include <sys/unistd.h> 53 #include <sys/callout.h> 54 #include <sys/malloc.h> 55 #include <sys/priv.h> 56 #include <sys/conf.h> 57 #include <sys/fcntl.h> 58 #include <sys/sbuf.h> 59 60 #include <dev/usb/usb.h> 61 #include <dev/usb/usbdi.h> 62 #include <dev/usb/usbdi_util.h> 63 #include <dev/usb/usbhid.h> 64 #include "usbdevs.h" 65 66 #define USB_DEBUG_VAR ums_debug 67 #include <dev/usb/usb_debug.h> 68 69 #include <dev/usb/quirk/usb_quirk.h> 70 71 #include <sys/ioccom.h> 72 #include <sys/filio.h> 73 #include <sys/tty.h> 74 #include <sys/mouse.h> 75 76 #ifdef USB_DEBUG 77 static int ums_debug = 0; 78 79 SYSCTL_NODE(_hw_usb, OID_AUTO, ums, CTLFLAG_RW, 0, "USB ums"); 80 SYSCTL_INT(_hw_usb_ums, OID_AUTO, debug, CTLFLAG_RW, 81 &ums_debug, 0, "Debug level"); 82 #endif 83 84 #define MOUSE_FLAGS_MASK (HIO_CONST|HIO_RELATIVE) 85 #define MOUSE_FLAGS (HIO_RELATIVE) 86 87 #define UMS_BUF_SIZE 8 /* bytes */ 88 #define UMS_IFQ_MAXLEN 50 /* units */ 89 #define UMS_BUTTON_MAX 31 /* exclusive, must be less than 32 */ 90 #define UMS_BUT(i) ((i) < 3 ? (((i) + 2) % 3) : (i)) 91 #define UMS_INFO_MAX 2 /* maximum number of HID sets */ 92 93 enum { 94 UMS_INTR_DT, 95 UMS_N_TRANSFER, 96 }; 97 98 struct ums_info { 99 struct hid_location sc_loc_w; 100 struct hid_location sc_loc_x; 101 struct hid_location sc_loc_y; 102 struct hid_location sc_loc_z; 103 struct hid_location sc_loc_t; 104 struct hid_location sc_loc_btn[UMS_BUTTON_MAX]; 105 106 uint32_t sc_flags; 107 #define UMS_FLAG_X_AXIS 0x0001 108 #define UMS_FLAG_Y_AXIS 0x0002 109 #define UMS_FLAG_Z_AXIS 0x0004 110 #define UMS_FLAG_T_AXIS 0x0008 111 #define UMS_FLAG_SBU 0x0010 /* spurious button up events */ 112 #define UMS_FLAG_REVZ 0x0020 /* Z-axis is reversed */ 113 #define UMS_FLAG_W_AXIS 0x0040 114 115 uint8_t sc_iid_w; 116 uint8_t sc_iid_x; 117 uint8_t sc_iid_y; 118 uint8_t sc_iid_z; 119 uint8_t sc_iid_t; 120 uint8_t sc_iid_btn[UMS_BUTTON_MAX]; 121 uint8_t sc_buttons; 122 }; 123 124 struct ums_softc { 125 struct usb_fifo_sc sc_fifo; 126 struct mtx sc_mtx; 127 struct usb_callout sc_callout; 128 struct ums_info sc_info[UMS_INFO_MAX]; 129 130 mousehw_t sc_hw; 131 mousemode_t sc_mode; 132 mousestatus_t sc_status; 133 134 struct usb_xfer *sc_xfer[UMS_N_TRANSFER]; 135 136 int sc_pollrate; 137 138 uint8_t sc_buttons; 139 uint8_t sc_iid; 140 uint8_t sc_temp[64]; 141 }; 142 143 static void ums_put_queue_timeout(void *__sc); 144 145 static usb_callback_t ums_intr_callback; 146 147 static device_probe_t ums_probe; 148 static device_attach_t ums_attach; 149 static device_detach_t ums_detach; 150 151 static usb_fifo_cmd_t ums_start_read; 152 static usb_fifo_cmd_t ums_stop_read; 153 static usb_fifo_open_t ums_open; 154 static usb_fifo_close_t ums_close; 155 static usb_fifo_ioctl_t ums_ioctl; 156 157 static void ums_put_queue(struct ums_softc *, int32_t, int32_t, 158 int32_t, int32_t, int32_t); 159 static int ums_sysctl_handler_parseinfo(SYSCTL_HANDLER_ARGS); 160 161 static struct usb_fifo_methods ums_fifo_methods = { 162 .f_open = &ums_open, 163 .f_close = &ums_close, 164 .f_ioctl = &ums_ioctl, 165 .f_start_read = &ums_start_read, 166 .f_stop_read = &ums_stop_read, 167 .basename[0] = "ums", 168 }; 169 170 static void 171 ums_put_queue_timeout(void *__sc) 172 { 173 struct ums_softc *sc = __sc; 174 175 mtx_assert(&sc->sc_mtx, MA_OWNED); 176 177 ums_put_queue(sc, 0, 0, 0, 0, 0); 178 } 179 180 static void 181 ums_intr_callback(struct usb_xfer *xfer, usb_error_t error) 182 { 183 struct ums_softc *sc = usbd_xfer_softc(xfer); 184 struct ums_info *info = &sc->sc_info[0]; 185 struct usb_page_cache *pc; 186 uint8_t *buf = sc->sc_temp; 187 int32_t buttons = 0; 188 int32_t buttons_found = 0; 189 int32_t dw = 0; 190 int32_t dx = 0; 191 int32_t dy = 0; 192 int32_t dz = 0; 193 int32_t dt = 0; 194 uint8_t i; 195 uint8_t id; 196 int len; 197 198 usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 199 200 switch (USB_GET_STATE(xfer)) { 201 case USB_ST_TRANSFERRED: 202 DPRINTFN(6, "sc=%p actlen=%d\n", sc, len); 203 204 if (len > sizeof(sc->sc_temp)) { 205 DPRINTFN(6, "truncating large packet to %zu bytes\n", 206 sizeof(sc->sc_temp)); 207 len = sizeof(sc->sc_temp); 208 } 209 if (len == 0) 210 goto tr_setup; 211 212 pc = usbd_xfer_get_frame(xfer, 0); 213 usbd_copy_out(pc, 0, buf, len); 214 215 DPRINTFN(6, "data = %02x %02x %02x %02x " 216 "%02x %02x %02x %02x\n", 217 (len > 0) ? buf[0] : 0, (len > 1) ? buf[1] : 0, 218 (len > 2) ? buf[2] : 0, (len > 3) ? buf[3] : 0, 219 (len > 4) ? buf[4] : 0, (len > 5) ? buf[5] : 0, 220 (len > 6) ? buf[6] : 0, (len > 7) ? buf[7] : 0); 221 222 if (sc->sc_iid) { 223 id = *buf; 224 225 len--; 226 buf++; 227 228 } else { 229 id = 0; 230 if (sc->sc_info[0].sc_flags & UMS_FLAG_SBU) { 231 if ((*buf == 0x14) || (*buf == 0x15)) { 232 goto tr_setup; 233 } 234 } 235 } 236 237 repeat: 238 if ((info->sc_flags & UMS_FLAG_W_AXIS) && 239 (id == info->sc_iid_w)) 240 dw += hid_get_data(buf, len, &info->sc_loc_w); 241 242 if ((info->sc_flags & UMS_FLAG_X_AXIS) && 243 (id == info->sc_iid_x)) 244 dx += hid_get_data(buf, len, &info->sc_loc_x); 245 246 if ((info->sc_flags & UMS_FLAG_Y_AXIS) && 247 (id == info->sc_iid_y)) 248 dy = -hid_get_data(buf, len, &info->sc_loc_y); 249 250 if ((info->sc_flags & UMS_FLAG_Z_AXIS) && 251 (id == info->sc_iid_z)) { 252 int32_t temp; 253 temp = hid_get_data(buf, len, &info->sc_loc_z); 254 if (info->sc_flags & UMS_FLAG_REVZ) 255 temp = -temp; 256 dz -= temp; 257 } 258 259 if ((info->sc_flags & UMS_FLAG_T_AXIS) && 260 (id == info->sc_iid_t)) 261 dt -= hid_get_data(buf, len, &info->sc_loc_t); 262 263 for (i = 0; i < info->sc_buttons; i++) { 264 uint32_t mask; 265 mask = 1UL << UMS_BUT(i); 266 /* check for correct button ID */ 267 if (id != info->sc_iid_btn[i]) 268 continue; 269 /* check for button pressed */ 270 if (hid_get_data(buf, len, &info->sc_loc_btn[i])) 271 buttons |= mask; 272 /* register button mask */ 273 buttons_found |= mask; 274 } 275 276 if (++info != &sc->sc_info[UMS_INFO_MAX]) 277 goto repeat; 278 279 /* keep old button value(s) for non-detected buttons */ 280 buttons |= sc->sc_status.button & ~buttons_found; 281 282 if (dx || dy || dz || dt || dw || 283 (buttons != sc->sc_status.button)) { 284 285 DPRINTFN(6, "x:%d y:%d z:%d t:%d w:%d buttons:0x%08x\n", 286 dx, dy, dz, dt, dw, buttons); 287 288 /* translate T-axis into button presses until further */ 289 if (dt > 0) 290 buttons |= 1UL << 3; 291 else if (dt < 0) 292 buttons |= 1UL << 4; 293 294 sc->sc_status.button = buttons; 295 sc->sc_status.dx += dx; 296 sc->sc_status.dy += dy; 297 sc->sc_status.dz += dz; 298 /* 299 * sc->sc_status.dt += dt; 300 * no way to export this yet 301 */ 302 303 /* 304 * The Qtronix keyboard has a built in PS/2 305 * port for a mouse. The firmware once in a 306 * while posts a spurious button up 307 * event. This event we ignore by doing a 308 * timeout for 50 msecs. If we receive 309 * dx=dy=dz=buttons=0 before we add the event 310 * to the queue. In any other case we delete 311 * the timeout event. 312 */ 313 if ((sc->sc_info[0].sc_flags & UMS_FLAG_SBU) && 314 (dx == 0) && (dy == 0) && (dz == 0) && (dt == 0) && 315 (dw == 0) && (buttons == 0)) { 316 317 usb_callout_reset(&sc->sc_callout, hz / 20, 318 &ums_put_queue_timeout, sc); 319 } else { 320 321 usb_callout_stop(&sc->sc_callout); 322 323 ums_put_queue(sc, dx, dy, dz, dt, buttons); 324 } 325 } 326 case USB_ST_SETUP: 327 tr_setup: 328 /* check if we can put more data into the FIFO */ 329 if (usb_fifo_put_bytes_max( 330 sc->sc_fifo.fp[USB_FIFO_RX]) != 0) { 331 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 332 usbd_transfer_submit(xfer); 333 } 334 break; 335 336 default: /* Error */ 337 if (error != USB_ERR_CANCELLED) { 338 /* try clear stall first */ 339 usbd_xfer_set_stall(xfer); 340 goto tr_setup; 341 } 342 break; 343 } 344 } 345 346 static const struct usb_config ums_config[UMS_N_TRANSFER] = { 347 348 [UMS_INTR_DT] = { 349 .type = UE_INTERRUPT, 350 .endpoint = UE_ADDR_ANY, 351 .direction = UE_DIR_IN, 352 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 353 .bufsize = 0, /* use wMaxPacketSize */ 354 .callback = &ums_intr_callback, 355 }, 356 }; 357 358 static int 359 ums_probe(device_t dev) 360 { 361 struct usb_attach_arg *uaa = device_get_ivars(dev); 362 void *d_ptr; 363 int error; 364 uint16_t d_len; 365 366 DPRINTFN(11, "\n"); 367 368 if (uaa->usb_mode != USB_MODE_HOST) 369 return (ENXIO); 370 371 if (uaa->info.bInterfaceClass != UICLASS_HID) 372 return (ENXIO); 373 374 if ((uaa->info.bInterfaceSubClass == UISUBCLASS_BOOT) && 375 (uaa->info.bInterfaceProtocol == UIPROTO_MOUSE)) 376 return (BUS_PROBE_DEFAULT); 377 378 error = usbd_req_get_hid_desc(uaa->device, NULL, 379 &d_ptr, &d_len, M_TEMP, uaa->info.bIfaceIndex); 380 381 if (error) 382 return (ENXIO); 383 384 if (hid_is_collection(d_ptr, d_len, 385 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_MOUSE))) 386 error = BUS_PROBE_DEFAULT; 387 else 388 error = ENXIO; 389 390 free(d_ptr, M_TEMP); 391 return (error); 392 } 393 394 static void 395 ums_hid_parse(struct ums_softc *sc, device_t dev, const uint8_t *buf, 396 uint16_t len, uint8_t index) 397 { 398 struct ums_info *info = &sc->sc_info[index]; 399 uint32_t flags; 400 uint8_t i; 401 uint8_t j; 402 403 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X), 404 hid_input, index, &info->sc_loc_x, &flags, &info->sc_iid_x)) { 405 406 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { 407 info->sc_flags |= UMS_FLAG_X_AXIS; 408 } 409 } 410 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y), 411 hid_input, index, &info->sc_loc_y, &flags, &info->sc_iid_y)) { 412 413 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { 414 info->sc_flags |= UMS_FLAG_Y_AXIS; 415 } 416 } 417 /* Try the wheel first as the Z activator since it's tradition. */ 418 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, 419 HUG_WHEEL), hid_input, index, &info->sc_loc_z, &flags, 420 &info->sc_iid_z) || 421 hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, 422 HUG_TWHEEL), hid_input, index, &info->sc_loc_z, &flags, 423 &info->sc_iid_z)) { 424 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { 425 info->sc_flags |= UMS_FLAG_Z_AXIS; 426 } 427 /* 428 * We might have both a wheel and Z direction, if so put 429 * put the Z on the W coordinate. 430 */ 431 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, 432 HUG_Z), hid_input, index, &info->sc_loc_w, &flags, 433 &info->sc_iid_w)) { 434 435 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { 436 info->sc_flags |= UMS_FLAG_W_AXIS; 437 } 438 } 439 } else if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, 440 HUG_Z), hid_input, index, &info->sc_loc_z, &flags, 441 &info->sc_iid_z)) { 442 443 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { 444 info->sc_flags |= UMS_FLAG_Z_AXIS; 445 } 446 } 447 /* 448 * The Microsoft Wireless Intellimouse 2.0 reports it's wheel 449 * using 0x0048, which is HUG_TWHEEL, and seems to expect you 450 * to know that the byte after the wheel is the tilt axis. 451 * There are no other HID axis descriptors other than X,Y and 452 * TWHEEL 453 */ 454 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, 455 HUG_TWHEEL), hid_input, index, &info->sc_loc_t, 456 &flags, &info->sc_iid_t)) { 457 458 info->sc_loc_t.pos += 8; 459 460 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { 461 info->sc_flags |= UMS_FLAG_T_AXIS; 462 } 463 } else if (hid_locate(buf, len, HID_USAGE2(HUP_CONSUMER, 464 HUC_AC_PAN), hid_input, index, &info->sc_loc_t, 465 &flags, &info->sc_iid_t)) { 466 467 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) 468 info->sc_flags |= UMS_FLAG_T_AXIS; 469 } 470 /* figure out the number of buttons */ 471 472 for (i = 0; i < UMS_BUTTON_MAX; i++) { 473 if (!hid_locate(buf, len, HID_USAGE2(HUP_BUTTON, (i + 1)), 474 hid_input, index, &info->sc_loc_btn[i], NULL, 475 &info->sc_iid_btn[i])) { 476 break; 477 } 478 } 479 480 /* detect other buttons */ 481 482 for (j = 0; (i < UMS_BUTTON_MAX) && (j < 2); i++, j++) { 483 if (!hid_locate(buf, len, HID_USAGE2(HUP_MICROSOFT, (j + 1)), 484 hid_input, index, &info->sc_loc_btn[i], NULL, 485 &info->sc_iid_btn[i])) { 486 break; 487 } 488 } 489 490 info->sc_buttons = i; 491 492 if (i > sc->sc_buttons) 493 sc->sc_buttons = i; 494 495 if (info->sc_flags == 0) 496 return; 497 498 /* announce information about the mouse */ 499 device_printf(dev, "%d buttons and [%s%s%s%s%s] coordinates ID=%u\n", 500 (info->sc_buttons), 501 (info->sc_flags & UMS_FLAG_X_AXIS) ? "X" : "", 502 (info->sc_flags & UMS_FLAG_Y_AXIS) ? "Y" : "", 503 (info->sc_flags & UMS_FLAG_Z_AXIS) ? "Z" : "", 504 (info->sc_flags & UMS_FLAG_T_AXIS) ? "T" : "", 505 (info->sc_flags & UMS_FLAG_W_AXIS) ? "W" : "", 506 info->sc_iid_x); 507 } 508 509 static int 510 ums_attach(device_t dev) 511 { 512 struct usb_attach_arg *uaa = device_get_ivars(dev); 513 struct ums_softc *sc = device_get_softc(dev); 514 struct ums_info *info; 515 void *d_ptr = NULL; 516 int isize; 517 int err; 518 uint16_t d_len; 519 uint8_t i; 520 #ifdef USB_DEBUG 521 uint8_t j; 522 #endif 523 524 DPRINTFN(11, "sc=%p\n", sc); 525 526 device_set_usb_desc(dev); 527 528 mtx_init(&sc->sc_mtx, "ums lock", NULL, MTX_DEF | MTX_RECURSE); 529 530 usb_callout_init_mtx(&sc->sc_callout, &sc->sc_mtx, 0); 531 532 /* 533 * Force the report (non-boot) protocol. 534 * 535 * Mice without boot protocol support may choose not to implement 536 * Set_Protocol at all; Ignore any error. 537 */ 538 err = usbd_req_set_protocol(uaa->device, NULL, 539 uaa->info.bIfaceIndex, 1); 540 541 err = usbd_transfer_setup(uaa->device, 542 &uaa->info.bIfaceIndex, sc->sc_xfer, ums_config, 543 UMS_N_TRANSFER, sc, &sc->sc_mtx); 544 545 if (err) { 546 DPRINTF("error=%s\n", usbd_errstr(err)); 547 goto detach; 548 } 549 550 /* Get HID descriptor */ 551 err = usbd_req_get_hid_desc(uaa->device, NULL, &d_ptr, 552 &d_len, M_TEMP, uaa->info.bIfaceIndex); 553 554 if (err) { 555 device_printf(dev, "error reading report description\n"); 556 goto detach; 557 } 558 559 isize = hid_report_size(d_ptr, d_len, hid_input, &sc->sc_iid); 560 561 /* 562 * The Microsoft Wireless Notebook Optical Mouse seems to be in worse 563 * shape than the Wireless Intellimouse 2.0, as its X, Y, wheel, and 564 * all of its other button positions are all off. It also reports that 565 * it has two addional buttons and a tilt wheel. 566 */ 567 if (usb_test_quirk(uaa, UQ_MS_BAD_CLASS)) { 568 569 sc->sc_iid = 0; 570 571 info = &sc->sc_info[0]; 572 info->sc_flags = (UMS_FLAG_X_AXIS | 573 UMS_FLAG_Y_AXIS | 574 UMS_FLAG_Z_AXIS | 575 UMS_FLAG_SBU); 576 info->sc_buttons = 3; 577 isize = 5; 578 /* 1st byte of descriptor report contains garbage */ 579 info->sc_loc_x.pos = 16; 580 info->sc_loc_x.size = 8; 581 info->sc_loc_y.pos = 24; 582 info->sc_loc_y.size = 8; 583 info->sc_loc_z.pos = 32; 584 info->sc_loc_z.size = 8; 585 info->sc_loc_btn[0].pos = 8; 586 info->sc_loc_btn[0].size = 1; 587 info->sc_loc_btn[1].pos = 9; 588 info->sc_loc_btn[1].size = 1; 589 info->sc_loc_btn[2].pos = 10; 590 info->sc_loc_btn[2].size = 1; 591 592 /* Announce device */ 593 device_printf(dev, "3 buttons and [XYZ] " 594 "coordinates ID=0\n"); 595 596 } else { 597 /* Search the HID descriptor and announce device */ 598 for (i = 0; i < UMS_INFO_MAX; i++) { 599 ums_hid_parse(sc, dev, d_ptr, d_len, i); 600 } 601 } 602 603 if (usb_test_quirk(uaa, UQ_MS_REVZ)) { 604 info = &sc->sc_info[0]; 605 /* Some wheels need the Z axis reversed. */ 606 info->sc_flags |= UMS_FLAG_REVZ; 607 } 608 if (isize > usbd_xfer_max_framelen(sc->sc_xfer[UMS_INTR_DT])) { 609 DPRINTF("WARNING: report size, %d bytes, is larger " 610 "than interrupt size, %d bytes!\n", isize, 611 usbd_xfer_max_framelen(sc->sc_xfer[UMS_INTR_DT])); 612 } 613 free(d_ptr, M_TEMP); 614 d_ptr = NULL; 615 616 #ifdef USB_DEBUG 617 for (j = 0; j < UMS_INFO_MAX; j++) { 618 info = &sc->sc_info[j]; 619 620 DPRINTF("sc=%p, index=%d\n", sc, j); 621 DPRINTF("X\t%d/%d id=%d\n", info->sc_loc_x.pos, 622 info->sc_loc_x.size, info->sc_iid_x); 623 DPRINTF("Y\t%d/%d id=%d\n", info->sc_loc_y.pos, 624 info->sc_loc_y.size, info->sc_iid_y); 625 DPRINTF("Z\t%d/%d id=%d\n", info->sc_loc_z.pos, 626 info->sc_loc_z.size, info->sc_iid_z); 627 DPRINTF("T\t%d/%d id=%d\n", info->sc_loc_t.pos, 628 info->sc_loc_t.size, info->sc_iid_t); 629 DPRINTF("W\t%d/%d id=%d\n", info->sc_loc_w.pos, 630 info->sc_loc_w.size, info->sc_iid_w); 631 632 for (i = 0; i < info->sc_buttons; i++) { 633 DPRINTF("B%d\t%d/%d id=%d\n", 634 i + 1, info->sc_loc_btn[i].pos, 635 info->sc_loc_btn[i].size, info->sc_iid_btn[i]); 636 } 637 } 638 DPRINTF("size=%d, id=%d\n", isize, sc->sc_iid); 639 #endif 640 641 if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON) 642 sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON; 643 else 644 sc->sc_hw.buttons = sc->sc_buttons; 645 646 sc->sc_hw.iftype = MOUSE_IF_USB; 647 sc->sc_hw.type = MOUSE_MOUSE; 648 sc->sc_hw.model = MOUSE_MODEL_GENERIC; 649 sc->sc_hw.hwid = 0; 650 651 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 652 sc->sc_mode.rate = -1; 653 sc->sc_mode.resolution = MOUSE_RES_UNKNOWN; 654 sc->sc_mode.accelfactor = 0; 655 sc->sc_mode.level = 0; 656 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 657 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 658 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 659 660 err = usb_fifo_attach(uaa->device, sc, &sc->sc_mtx, 661 &ums_fifo_methods, &sc->sc_fifo, 662 device_get_unit(dev), 0 - 1, uaa->info.bIfaceIndex, 663 UID_ROOT, GID_OPERATOR, 0644); 664 if (err) { 665 goto detach; 666 } 667 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 668 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 669 OID_AUTO, "parseinfo", CTLTYPE_STRING|CTLFLAG_RD, 670 sc, 0, ums_sysctl_handler_parseinfo, 671 "", "Dump of parsed HID report descriptor"); 672 673 return (0); 674 675 detach: 676 if (d_ptr) { 677 free(d_ptr, M_TEMP); 678 } 679 ums_detach(dev); 680 return (ENOMEM); 681 } 682 683 static int 684 ums_detach(device_t self) 685 { 686 struct ums_softc *sc = device_get_softc(self); 687 688 DPRINTF("sc=%p\n", sc); 689 690 usb_fifo_detach(&sc->sc_fifo); 691 692 usbd_transfer_unsetup(sc->sc_xfer, UMS_N_TRANSFER); 693 694 usb_callout_drain(&sc->sc_callout); 695 696 mtx_destroy(&sc->sc_mtx); 697 698 return (0); 699 } 700 701 static void 702 ums_start_read(struct usb_fifo *fifo) 703 { 704 struct ums_softc *sc = usb_fifo_softc(fifo); 705 int rate; 706 707 /* Check if we should override the default polling interval */ 708 rate = sc->sc_pollrate; 709 /* Range check rate */ 710 if (rate > 1000) 711 rate = 1000; 712 /* Check for set rate */ 713 if ((rate > 0) && (sc->sc_xfer[UMS_INTR_DT] != NULL)) { 714 DPRINTF("Setting pollrate = %d\n", rate); 715 /* Stop current transfer, if any */ 716 usbd_transfer_stop(sc->sc_xfer[UMS_INTR_DT]); 717 /* Set new interval */ 718 usbd_xfer_set_interval(sc->sc_xfer[UMS_INTR_DT], 1000 / rate); 719 /* Only set pollrate once */ 720 sc->sc_pollrate = 0; 721 } 722 723 usbd_transfer_start(sc->sc_xfer[UMS_INTR_DT]); 724 } 725 726 static void 727 ums_stop_read(struct usb_fifo *fifo) 728 { 729 struct ums_softc *sc = usb_fifo_softc(fifo); 730 731 usbd_transfer_stop(sc->sc_xfer[UMS_INTR_DT]); 732 usb_callout_stop(&sc->sc_callout); 733 } 734 735 736 #if ((MOUSE_SYS_PACKETSIZE != 8) || \ 737 (MOUSE_MSC_PACKETSIZE != 5)) 738 #error "Software assumptions are not met. Please update code." 739 #endif 740 741 static void 742 ums_put_queue(struct ums_softc *sc, int32_t dx, int32_t dy, 743 int32_t dz, int32_t dt, int32_t buttons) 744 { 745 uint8_t buf[8]; 746 747 if (1) { 748 749 if (dx > 254) 750 dx = 254; 751 if (dx < -256) 752 dx = -256; 753 if (dy > 254) 754 dy = 254; 755 if (dy < -256) 756 dy = -256; 757 if (dz > 126) 758 dz = 126; 759 if (dz < -128) 760 dz = -128; 761 if (dt > 126) 762 dt = 126; 763 if (dt < -128) 764 dt = -128; 765 766 buf[0] = sc->sc_mode.syncmask[1]; 767 buf[0] |= (~buttons) & MOUSE_MSC_BUTTONS; 768 buf[1] = dx >> 1; 769 buf[2] = dy >> 1; 770 buf[3] = dx - (dx >> 1); 771 buf[4] = dy - (dy >> 1); 772 773 if (sc->sc_mode.level == 1) { 774 buf[5] = dz >> 1; 775 buf[6] = dz - (dz >> 1); 776 buf[7] = (((~buttons) >> 3) & MOUSE_SYS_EXTBUTTONS); 777 } 778 usb_fifo_put_data_linear(sc->sc_fifo.fp[USB_FIFO_RX], buf, 779 sc->sc_mode.packetsize, 1); 780 781 } else { 782 DPRINTF("Buffer full, discarded packet\n"); 783 } 784 } 785 786 static void 787 ums_reset_buf(struct ums_softc *sc) 788 { 789 /* reset read queue */ 790 usb_fifo_reset(sc->sc_fifo.fp[USB_FIFO_RX]); 791 } 792 793 static int 794 ums_open(struct usb_fifo *fifo, int fflags) 795 { 796 struct ums_softc *sc = usb_fifo_softc(fifo); 797 798 DPRINTFN(2, "\n"); 799 800 if (fflags & FREAD) { 801 802 /* reset status */ 803 804 sc->sc_status.flags = 0; 805 sc->sc_status.button = 0; 806 sc->sc_status.obutton = 0; 807 sc->sc_status.dx = 0; 808 sc->sc_status.dy = 0; 809 sc->sc_status.dz = 0; 810 /* sc->sc_status.dt = 0; */ 811 812 if (usb_fifo_alloc_buffer(fifo, 813 UMS_BUF_SIZE, UMS_IFQ_MAXLEN)) { 814 return (ENOMEM); 815 } 816 } 817 return (0); 818 } 819 820 static void 821 ums_close(struct usb_fifo *fifo, int fflags) 822 { 823 if (fflags & FREAD) { 824 usb_fifo_free_buffer(fifo); 825 } 826 } 827 828 static int 829 ums_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags) 830 { 831 struct ums_softc *sc = usb_fifo_softc(fifo); 832 mousemode_t mode; 833 int error = 0; 834 835 DPRINTFN(2, "\n"); 836 837 mtx_lock(&sc->sc_mtx); 838 839 switch (cmd) { 840 case MOUSE_GETHWINFO: 841 *(mousehw_t *)addr = sc->sc_hw; 842 break; 843 844 case MOUSE_GETMODE: 845 *(mousemode_t *)addr = sc->sc_mode; 846 break; 847 848 case MOUSE_SETMODE: 849 mode = *(mousemode_t *)addr; 850 851 if (mode.level == -1) { 852 /* don't change the current setting */ 853 } else if ((mode.level < 0) || (mode.level > 1)) { 854 error = EINVAL; 855 goto done; 856 } else { 857 sc->sc_mode.level = mode.level; 858 } 859 860 /* store polling rate */ 861 sc->sc_pollrate = mode.rate; 862 863 if (sc->sc_mode.level == 0) { 864 if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON) 865 sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON; 866 else 867 sc->sc_hw.buttons = sc->sc_buttons; 868 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 869 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 870 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 871 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 872 } else if (sc->sc_mode.level == 1) { 873 if (sc->sc_buttons > MOUSE_SYS_MAXBUTTON) 874 sc->sc_hw.buttons = MOUSE_SYS_MAXBUTTON; 875 else 876 sc->sc_hw.buttons = sc->sc_buttons; 877 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE; 878 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE; 879 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK; 880 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC; 881 } 882 ums_reset_buf(sc); 883 break; 884 885 case MOUSE_GETLEVEL: 886 *(int *)addr = sc->sc_mode.level; 887 break; 888 889 case MOUSE_SETLEVEL: 890 if (*(int *)addr < 0 || *(int *)addr > 1) { 891 error = EINVAL; 892 goto done; 893 } 894 sc->sc_mode.level = *(int *)addr; 895 896 if (sc->sc_mode.level == 0) { 897 if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON) 898 sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON; 899 else 900 sc->sc_hw.buttons = sc->sc_buttons; 901 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 902 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 903 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 904 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 905 } else if (sc->sc_mode.level == 1) { 906 if (sc->sc_buttons > MOUSE_SYS_MAXBUTTON) 907 sc->sc_hw.buttons = MOUSE_SYS_MAXBUTTON; 908 else 909 sc->sc_hw.buttons = sc->sc_buttons; 910 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE; 911 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE; 912 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK; 913 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC; 914 } 915 ums_reset_buf(sc); 916 break; 917 918 case MOUSE_GETSTATUS:{ 919 mousestatus_t *status = (mousestatus_t *)addr; 920 921 *status = sc->sc_status; 922 sc->sc_status.obutton = sc->sc_status.button; 923 sc->sc_status.button = 0; 924 sc->sc_status.dx = 0; 925 sc->sc_status.dy = 0; 926 sc->sc_status.dz = 0; 927 /* sc->sc_status.dt = 0; */ 928 929 if (status->dx || status->dy || status->dz /* || status->dt */ ) { 930 status->flags |= MOUSE_POSCHANGED; 931 } 932 if (status->button != status->obutton) { 933 status->flags |= MOUSE_BUTTONSCHANGED; 934 } 935 break; 936 } 937 default: 938 error = ENOTTY; 939 } 940 941 done: 942 mtx_unlock(&sc->sc_mtx); 943 return (error); 944 } 945 946 static int 947 ums_sysctl_handler_parseinfo(SYSCTL_HANDLER_ARGS) 948 { 949 struct ums_softc *sc = arg1; 950 struct ums_info *info; 951 struct sbuf *sb; 952 int i, j, err, had_output; 953 954 sb = sbuf_new_auto(); 955 for (i = 0, had_output = 0; i < UMS_INFO_MAX; i++) { 956 info = &sc->sc_info[i]; 957 958 /* Don't emit empty info */ 959 if ((info->sc_flags & 960 (UMS_FLAG_X_AXIS | UMS_FLAG_Y_AXIS | UMS_FLAG_Z_AXIS | 961 UMS_FLAG_T_AXIS | UMS_FLAG_W_AXIS)) == 0 && 962 info->sc_buttons == 0) 963 continue; 964 965 if (had_output) 966 sbuf_printf(sb, "\n"); 967 had_output = 1; 968 sbuf_printf(sb, "i%d:", i + 1); 969 if (info->sc_flags & UMS_FLAG_X_AXIS) 970 sbuf_printf(sb, " X:r%d, p%d, s%d;", 971 (int)info->sc_iid_x, 972 (int)info->sc_loc_x.pos, 973 (int)info->sc_loc_x.size); 974 if (info->sc_flags & UMS_FLAG_Y_AXIS) 975 sbuf_printf(sb, " Y:r%d, p%d, s%d;", 976 (int)info->sc_iid_y, 977 (int)info->sc_loc_y.pos, 978 (int)info->sc_loc_y.size); 979 if (info->sc_flags & UMS_FLAG_Z_AXIS) 980 sbuf_printf(sb, " Z:r%d, p%d, s%d;", 981 (int)info->sc_iid_z, 982 (int)info->sc_loc_z.pos, 983 (int)info->sc_loc_z.size); 984 if (info->sc_flags & UMS_FLAG_T_AXIS) 985 sbuf_printf(sb, " T:r%d, p%d, s%d;", 986 (int)info->sc_iid_t, 987 (int)info->sc_loc_t.pos, 988 (int)info->sc_loc_t.size); 989 if (info->sc_flags & UMS_FLAG_W_AXIS) 990 sbuf_printf(sb, " W:r%d, p%d, s%d;", 991 (int)info->sc_iid_w, 992 (int)info->sc_loc_w.pos, 993 (int)info->sc_loc_w.size); 994 995 for (j = 0; j < info->sc_buttons; j++) { 996 sbuf_printf(sb, " B%d:r%d, p%d, s%d;", j + 1, 997 (int)info->sc_iid_btn[j], 998 (int)info->sc_loc_btn[j].pos, 999 (int)info->sc_loc_btn[j].size); 1000 } 1001 } 1002 sbuf_finish(sb); 1003 err = SYSCTL_OUT(req, sbuf_data(sb), sbuf_len(sb) + 1); 1004 sbuf_delete(sb); 1005 1006 return (err); 1007 } 1008 1009 static devclass_t ums_devclass; 1010 1011 static device_method_t ums_methods[] = { 1012 DEVMETHOD(device_probe, ums_probe), 1013 DEVMETHOD(device_attach, ums_attach), 1014 DEVMETHOD(device_detach, ums_detach), 1015 {0, 0} 1016 }; 1017 1018 static driver_t ums_driver = { 1019 .name = "ums", 1020 .methods = ums_methods, 1021 .size = sizeof(struct ums_softc), 1022 }; 1023 1024 DRIVER_MODULE(ums, uhub, ums_driver, ums_devclass, NULL, 0); 1025 MODULE_DEPEND(ums, usb, 1, 1, 1); 1026 MODULE_VERSION(ums, 1); 1027