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 /* 32 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf 33 */ 34 35 #include <sys/stdint.h> 36 #include <sys/param.h> 37 #include <sys/queue.h> 38 #include <sys/types.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/bus.h> 42 #include <sys/module.h> 43 #include <sys/lock.h> 44 #include <sys/condvar.h> 45 #include <sys/sysctl.h> 46 #include <sys/unistd.h> 47 #include <sys/callout.h> 48 #include <sys/malloc.h> 49 #include <sys/priv.h> 50 #include <sys/conf.h> 51 #include <sys/fcntl.h> 52 #include <sys/sbuf.h> 53 54 #include <bus/u4b/usb.h> 55 #include <bus/u4b/usbdi.h> 56 #include <bus/u4b/usbdi_util.h> 57 #include <bus/u4b/usbhid.h> 58 #include "usbdevs.h" 59 60 #define USB_DEBUG_VAR ums_debug 61 #include <bus/u4b/usb_debug.h> 62 63 #include <bus/u4b/quirk/usb_quirk.h> 64 65 #include <sys/ioccom.h> 66 #include <sys/filio.h> 67 #include <sys/tty.h> 68 #include <sys/mouse.h> 69 70 #ifdef USB_DEBUG 71 static int ums_debug = 0; 72 73 static SYSCTL_NODE(_hw_usb, OID_AUTO, ums, CTLFLAG_RW, 0, "USB ums"); 74 SYSCTL_INT(_hw_usb_ums, OID_AUTO, debug, CTLFLAG_RW, 75 &ums_debug, 0, "Debug level"); 76 #endif 77 78 #define MOUSE_FLAGS_MASK (HIO_CONST|HIO_RELATIVE) 79 #define MOUSE_FLAGS (HIO_RELATIVE) 80 81 #define UMS_BUF_SIZE 8 /* bytes */ 82 #define UMS_IFQ_MAXLEN 50 /* units */ 83 #define UMS_BUTTON_MAX 31 /* exclusive, must be less than 32 */ 84 #define UMS_BUT(i) ((i) < 3 ? (((i) + 2) % 3) : (i)) 85 #define UMS_INFO_MAX 2 /* maximum number of HID sets */ 86 87 enum { 88 UMS_INTR_DT, 89 UMS_N_TRANSFER, 90 }; 91 92 struct ums_info { 93 struct hid_location sc_loc_w; 94 struct hid_location sc_loc_x; 95 struct hid_location sc_loc_y; 96 struct hid_location sc_loc_z; 97 struct hid_location sc_loc_t; 98 struct hid_location sc_loc_btn[UMS_BUTTON_MAX]; 99 100 uint32_t sc_flags; 101 #define UMS_FLAG_X_AXIS 0x0001 102 #define UMS_FLAG_Y_AXIS 0x0002 103 #define UMS_FLAG_Z_AXIS 0x0004 104 #define UMS_FLAG_T_AXIS 0x0008 105 #define UMS_FLAG_SBU 0x0010 /* spurious button up events */ 106 #define UMS_FLAG_REVZ 0x0020 /* Z-axis is reversed */ 107 #define UMS_FLAG_W_AXIS 0x0040 108 109 uint8_t sc_iid_w; 110 uint8_t sc_iid_x; 111 uint8_t sc_iid_y; 112 uint8_t sc_iid_z; 113 uint8_t sc_iid_t; 114 uint8_t sc_iid_btn[UMS_BUTTON_MAX]; 115 uint8_t sc_buttons; 116 }; 117 118 struct ums_softc { 119 struct usb_fifo_sc sc_fifo; 120 struct lock sc_lock; 121 struct usb_callout sc_callout; 122 struct ums_info sc_info[UMS_INFO_MAX]; 123 124 mousehw_t sc_hw; 125 mousemode_t sc_mode; 126 mousestatus_t sc_status; 127 128 struct usb_xfer *sc_xfer[UMS_N_TRANSFER]; 129 130 int sc_pollrate; 131 int sc_fflags; 132 133 uint8_t sc_buttons; 134 uint8_t sc_iid; 135 uint8_t sc_temp[64]; 136 }; 137 138 static void ums_put_queue_timeout(void *__sc); 139 140 static usb_callback_t ums_intr_callback; 141 142 static device_probe_t ums_probe; 143 static device_attach_t ums_attach; 144 static device_detach_t ums_detach; 145 146 static usb_fifo_cmd_t ums_start_read; 147 static usb_fifo_cmd_t ums_stop_read; 148 static usb_fifo_open_t ums_open; 149 static usb_fifo_close_t ums_close; 150 static usb_fifo_ioctl_t ums_ioctl; 151 152 static void ums_put_queue(struct ums_softc *, int32_t, int32_t, 153 int32_t, int32_t, int32_t); 154 #if 0 /* XXX */ 155 static int ums_sysctl_handler_parseinfo(SYSCTL_HANDLER_ARGS); 156 #endif 157 158 static struct usb_fifo_methods ums_fifo_methods = { 159 .f_open = &ums_open, 160 .f_close = &ums_close, 161 .f_ioctl = &ums_ioctl, 162 .f_start_read = &ums_start_read, 163 .f_stop_read = &ums_stop_read, 164 .basename[0] = "ums", 165 }; 166 167 static void 168 ums_put_queue_timeout(void *__sc) 169 { 170 struct ums_softc *sc = __sc; 171 172 KKASSERT(lockowned(&sc->sc_lock)); 173 174 ums_put_queue(sc, 0, 0, 0, 0, 0); 175 } 176 177 static void 178 ums_intr_callback(struct usb_xfer *xfer, usb_error_t error) 179 { 180 struct ums_softc *sc = usbd_xfer_softc(xfer); 181 struct ums_info *info = &sc->sc_info[0]; 182 struct usb_page_cache *pc; 183 uint8_t *buf = sc->sc_temp; 184 int32_t buttons = 0; 185 int32_t buttons_found = 0; 186 int32_t dw = 0; 187 int32_t dx = 0; 188 int32_t dy = 0; 189 int32_t dz = 0; 190 int32_t dt = 0; 191 uint8_t i; 192 uint8_t id; 193 int len; 194 195 usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 196 197 switch (USB_GET_STATE(xfer)) { 198 case USB_ST_TRANSFERRED: 199 DPRINTFN(6, "sc=%p actlen=%d\n", sc, len); 200 201 if (len > (int)sizeof(sc->sc_temp)) { 202 DPRINTFN(6, "truncating large packet to %zu bytes\n", 203 sizeof(sc->sc_temp)); 204 len = sizeof(sc->sc_temp); 205 } 206 if (len == 0) 207 goto tr_setup; 208 209 pc = usbd_xfer_get_frame(xfer, 0); 210 usbd_copy_out(pc, 0, buf, len); 211 212 DPRINTFN(6, "data = %02x %02x %02x %02x " 213 "%02x %02x %02x %02x\n", 214 (len > 0) ? buf[0] : 0, (len > 1) ? buf[1] : 0, 215 (len > 2) ? buf[2] : 0, (len > 3) ? buf[3] : 0, 216 (len > 4) ? buf[4] : 0, (len > 5) ? buf[5] : 0, 217 (len > 6) ? buf[6] : 0, (len > 7) ? buf[7] : 0); 218 219 if (sc->sc_iid) { 220 id = *buf; 221 222 len--; 223 buf++; 224 225 } else { 226 id = 0; 227 if (sc->sc_info[0].sc_flags & UMS_FLAG_SBU) { 228 if ((*buf == 0x14) || (*buf == 0x15)) { 229 goto tr_setup; 230 } 231 } 232 } 233 234 repeat: 235 if ((info->sc_flags & UMS_FLAG_W_AXIS) && 236 (id == info->sc_iid_w)) 237 dw += hid_get_data(buf, len, &info->sc_loc_w); 238 239 if ((info->sc_flags & UMS_FLAG_X_AXIS) && 240 (id == info->sc_iid_x)) 241 dx += hid_get_data(buf, len, &info->sc_loc_x); 242 243 if ((info->sc_flags & UMS_FLAG_Y_AXIS) && 244 (id == info->sc_iid_y)) 245 dy = -hid_get_data(buf, len, &info->sc_loc_y); 246 247 if ((info->sc_flags & UMS_FLAG_Z_AXIS) && 248 (id == info->sc_iid_z)) { 249 int32_t temp; 250 temp = hid_get_data(buf, len, &info->sc_loc_z); 251 if (info->sc_flags & UMS_FLAG_REVZ) 252 temp = -temp; 253 dz -= temp; 254 } 255 256 if ((info->sc_flags & UMS_FLAG_T_AXIS) && 257 (id == info->sc_iid_t)) 258 dt -= hid_get_data(buf, len, &info->sc_loc_t); 259 260 for (i = 0; i < info->sc_buttons; i++) { 261 uint32_t mask; 262 mask = 1UL << UMS_BUT(i); 263 /* check for correct button ID */ 264 if (id != info->sc_iid_btn[i]) 265 continue; 266 /* check for button pressed */ 267 if (hid_get_data(buf, len, &info->sc_loc_btn[i])) 268 buttons |= mask; 269 /* register button mask */ 270 buttons_found |= mask; 271 } 272 273 if (++info != &sc->sc_info[UMS_INFO_MAX]) 274 goto repeat; 275 276 /* keep old button value(s) for non-detected buttons */ 277 buttons |= sc->sc_status.button & ~buttons_found; 278 279 if (dx || dy || dz || dt || dw || 280 (buttons != sc->sc_status.button)) { 281 282 DPRINTFN(6, "x:%d y:%d z:%d t:%d w:%d buttons:0x%08x\n", 283 dx, dy, dz, dt, dw, buttons); 284 285 /* translate T-axis into button presses until further */ 286 if (dt > 0) 287 buttons |= 1UL << 3; 288 else if (dt < 0) 289 buttons |= 1UL << 4; 290 291 sc->sc_status.button = buttons; 292 sc->sc_status.dx += dx; 293 sc->sc_status.dy += dy; 294 sc->sc_status.dz += dz; 295 /* 296 * sc->sc_status.dt += dt; 297 * no way to export this yet 298 */ 299 300 /* 301 * The Qtronix keyboard has a built in PS/2 302 * port for a mouse. The firmware once in a 303 * while posts a spurious button up 304 * event. This event we ignore by doing a 305 * timeout for 50 msecs. If we receive 306 * dx=dy=dz=buttons=0 before we add the event 307 * to the queue. In any other case we delete 308 * the timeout event. 309 */ 310 if ((sc->sc_info[0].sc_flags & UMS_FLAG_SBU) && 311 (dx == 0) && (dy == 0) && (dz == 0) && (dt == 0) && 312 (dw == 0) && (buttons == 0)) { 313 314 usb_callout_reset(&sc->sc_callout, hz / 20, 315 &ums_put_queue_timeout, sc); 316 } else { 317 318 usb_callout_stop(&sc->sc_callout); 319 320 ums_put_queue(sc, dx, dy, dz, dt, buttons); 321 } 322 } 323 case USB_ST_SETUP: 324 tr_setup: 325 /* check if we can put more data into the FIFO */ 326 if (usb_fifo_put_bytes_max( 327 sc->sc_fifo.fp[USB_FIFO_RX]) != 0) { 328 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 329 usbd_transfer_submit(xfer); 330 } 331 break; 332 333 default: /* Error */ 334 if (error != USB_ERR_CANCELLED) { 335 /* try clear stall first */ 336 usbd_xfer_set_stall(xfer); 337 goto tr_setup; 338 } 339 break; 340 } 341 } 342 343 static const struct usb_config ums_config[UMS_N_TRANSFER] = { 344 345 [UMS_INTR_DT] = { 346 .type = UE_INTERRUPT, 347 .endpoint = UE_ADDR_ANY, 348 .direction = UE_DIR_IN, 349 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 350 .bufsize = 0, /* use wMaxPacketSize */ 351 .callback = &ums_intr_callback, 352 }, 353 }; 354 355 /* A match on these entries will load ums */ 356 static const STRUCT_USB_HOST_ID __used ums_devs[] = { 357 {USB_IFACE_CLASS(UICLASS_HID), 358 USB_IFACE_SUBCLASS(UISUBCLASS_BOOT), 359 USB_IFACE_PROTOCOL(UIPROTO_MOUSE),}, 360 }; 361 362 static int 363 ums_probe(device_t dev) 364 { 365 struct usb_attach_arg *uaa = device_get_ivars(dev); 366 void *d_ptr; 367 int error; 368 uint16_t d_len; 369 370 DPRINTFN(11, "\n"); 371 372 if (uaa->usb_mode != USB_MODE_HOST) 373 return (ENXIO); 374 375 if (uaa->info.bInterfaceClass != UICLASS_HID) 376 return (ENXIO); 377 378 if (usb_test_quirk(uaa, UQ_UMS_IGNORE)) 379 return (ENXIO); 380 381 if ((uaa->info.bInterfaceSubClass == UISUBCLASS_BOOT) && 382 (uaa->info.bInterfaceProtocol == UIPROTO_MOUSE)) 383 return (BUS_PROBE_DEFAULT); 384 385 error = usbd_req_get_hid_desc(uaa->device, NULL, 386 &d_ptr, &d_len, M_TEMP, uaa->info.bIfaceIndex); 387 388 if (error) 389 return (ENXIO); 390 391 if (hid_is_mouse(d_ptr, d_len)) 392 error = BUS_PROBE_DEFAULT; 393 else 394 error = ENXIO; 395 396 kfree(d_ptr, M_TEMP); 397 return (error); 398 } 399 400 static void 401 ums_hid_parse(struct ums_softc *sc, device_t dev, const uint8_t *buf, 402 uint16_t len, uint8_t index) 403 { 404 struct ums_info *info = &sc->sc_info[index]; 405 uint32_t flags; 406 uint8_t i; 407 uint8_t j; 408 409 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X), 410 hid_input, index, &info->sc_loc_x, &flags, &info->sc_iid_x)) { 411 412 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { 413 info->sc_flags |= UMS_FLAG_X_AXIS; 414 } 415 } 416 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y), 417 hid_input, index, &info->sc_loc_y, &flags, &info->sc_iid_y)) { 418 419 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { 420 info->sc_flags |= UMS_FLAG_Y_AXIS; 421 } 422 } 423 /* Try the wheel first as the Z activator since it's tradition. */ 424 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, 425 HUG_WHEEL), hid_input, index, &info->sc_loc_z, &flags, 426 &info->sc_iid_z) || 427 hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, 428 HUG_TWHEEL), hid_input, index, &info->sc_loc_z, &flags, 429 &info->sc_iid_z)) { 430 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { 431 info->sc_flags |= UMS_FLAG_Z_AXIS; 432 } 433 /* 434 * We might have both a wheel and Z direction, if so put 435 * put the Z on the W coordinate. 436 */ 437 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, 438 HUG_Z), hid_input, index, &info->sc_loc_w, &flags, 439 &info->sc_iid_w)) { 440 441 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { 442 info->sc_flags |= UMS_FLAG_W_AXIS; 443 } 444 } 445 } else if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, 446 HUG_Z), hid_input, index, &info->sc_loc_z, &flags, 447 &info->sc_iid_z)) { 448 449 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { 450 info->sc_flags |= UMS_FLAG_Z_AXIS; 451 } 452 } 453 /* 454 * The Microsoft Wireless Intellimouse 2.0 reports it's wheel 455 * using 0x0048, which is HUG_TWHEEL, and seems to expect you 456 * to know that the byte after the wheel is the tilt axis. 457 * There are no other HID axis descriptors other than X,Y and 458 * TWHEEL 459 */ 460 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, 461 HUG_TWHEEL), hid_input, index, &info->sc_loc_t, 462 &flags, &info->sc_iid_t)) { 463 464 info->sc_loc_t.pos += 8; 465 466 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { 467 info->sc_flags |= UMS_FLAG_T_AXIS; 468 } 469 } else if (hid_locate(buf, len, HID_USAGE2(HUP_CONSUMER, 470 HUC_AC_PAN), hid_input, index, &info->sc_loc_t, 471 &flags, &info->sc_iid_t)) { 472 473 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) 474 info->sc_flags |= UMS_FLAG_T_AXIS; 475 } 476 /* figure out the number of buttons */ 477 478 for (i = 0; i < UMS_BUTTON_MAX; i++) { 479 if (!hid_locate(buf, len, HID_USAGE2(HUP_BUTTON, (i + 1)), 480 hid_input, index, &info->sc_loc_btn[i], NULL, 481 &info->sc_iid_btn[i])) { 482 break; 483 } 484 } 485 486 /* detect other buttons */ 487 488 for (j = 0; (i < UMS_BUTTON_MAX) && (j < 2); i++, j++) { 489 if (!hid_locate(buf, len, HID_USAGE2(HUP_MICROSOFT, (j + 1)), 490 hid_input, index, &info->sc_loc_btn[i], NULL, 491 &info->sc_iid_btn[i])) { 492 break; 493 } 494 } 495 496 info->sc_buttons = i; 497 498 if (i > sc->sc_buttons) 499 sc->sc_buttons = i; 500 501 if (info->sc_flags == 0) 502 return; 503 504 /* announce information about the mouse */ 505 device_printf(dev, "%d buttons and [%s%s%s%s%s] coordinates ID=%u\n", 506 (info->sc_buttons), 507 (info->sc_flags & UMS_FLAG_X_AXIS) ? "X" : "", 508 (info->sc_flags & UMS_FLAG_Y_AXIS) ? "Y" : "", 509 (info->sc_flags & UMS_FLAG_Z_AXIS) ? "Z" : "", 510 (info->sc_flags & UMS_FLAG_T_AXIS) ? "T" : "", 511 (info->sc_flags & UMS_FLAG_W_AXIS) ? "W" : "", 512 info->sc_iid_x); 513 } 514 515 static int 516 ums_attach(device_t dev) 517 { 518 struct usb_attach_arg *uaa = device_get_ivars(dev); 519 struct ums_softc *sc = device_get_softc(dev); 520 struct ums_info *info; 521 void *d_ptr = NULL; 522 int isize; 523 int err; 524 uint16_t d_len; 525 uint8_t i; 526 #ifdef USB_DEBUG 527 uint8_t j; 528 #endif 529 530 DPRINTFN(11, "sc=%p\n", sc); 531 532 device_set_usb_desc(dev); 533 534 lockinit(&sc->sc_lock, "ums lock", 0, LK_CANRECURSE); 535 536 usb_callout_init_mtx(&sc->sc_callout, &sc->sc_lock, 0); 537 538 /* 539 * Force the report (non-boot) protocol. 540 * 541 * Mice without boot protocol support may choose not to implement 542 * Set_Protocol at all; Ignore any error. 543 */ 544 err = usbd_req_set_protocol(uaa->device, NULL, 545 uaa->info.bIfaceIndex, 1); 546 547 err = usbd_transfer_setup(uaa->device, 548 &uaa->info.bIfaceIndex, sc->sc_xfer, ums_config, 549 UMS_N_TRANSFER, sc, &sc->sc_lock); 550 551 if (err) { 552 DPRINTF("error=%s\n", usbd_errstr(err)); 553 goto detach; 554 } 555 556 /* Get HID descriptor */ 557 err = usbd_req_get_hid_desc(uaa->device, NULL, &d_ptr, 558 &d_len, M_TEMP, uaa->info.bIfaceIndex); 559 560 if (err) { 561 device_printf(dev, "error reading report description\n"); 562 goto detach; 563 } 564 565 isize = hid_report_size(d_ptr, d_len, hid_input, &sc->sc_iid); 566 567 /* 568 * The Microsoft Wireless Notebook Optical Mouse seems to be in worse 569 * shape than the Wireless Intellimouse 2.0, as its X, Y, wheel, and 570 * all of its other button positions are all off. It also reports that 571 * it has two addional buttons and a tilt wheel. 572 */ 573 if (usb_test_quirk(uaa, UQ_MS_BAD_CLASS)) { 574 575 sc->sc_iid = 0; 576 577 info = &sc->sc_info[0]; 578 info->sc_flags = (UMS_FLAG_X_AXIS | 579 UMS_FLAG_Y_AXIS | 580 UMS_FLAG_Z_AXIS | 581 UMS_FLAG_SBU); 582 info->sc_buttons = 3; 583 isize = 5; 584 /* 1st byte of descriptor report contains garbage */ 585 info->sc_loc_x.pos = 16; 586 info->sc_loc_x.size = 8; 587 info->sc_loc_y.pos = 24; 588 info->sc_loc_y.size = 8; 589 info->sc_loc_z.pos = 32; 590 info->sc_loc_z.size = 8; 591 info->sc_loc_btn[0].pos = 8; 592 info->sc_loc_btn[0].size = 1; 593 info->sc_loc_btn[1].pos = 9; 594 info->sc_loc_btn[1].size = 1; 595 info->sc_loc_btn[2].pos = 10; 596 info->sc_loc_btn[2].size = 1; 597 598 /* Announce device */ 599 device_printf(dev, "3 buttons and [XYZ] " 600 "coordinates ID=0\n"); 601 602 } else { 603 /* Search the HID descriptor and announce device */ 604 for (i = 0; i < UMS_INFO_MAX; i++) { 605 ums_hid_parse(sc, dev, d_ptr, d_len, i); 606 } 607 } 608 609 if (usb_test_quirk(uaa, UQ_MS_REVZ)) { 610 info = &sc->sc_info[0]; 611 /* Some wheels need the Z axis reversed. */ 612 info->sc_flags |= UMS_FLAG_REVZ; 613 } 614 if (isize > (int)usbd_xfer_max_framelen(sc->sc_xfer[UMS_INTR_DT])) { 615 DPRINTF("WARNING: report size, %d bytes, is larger " 616 "than interrupt size, %d bytes!\n", isize, 617 usbd_xfer_max_framelen(sc->sc_xfer[UMS_INTR_DT])); 618 } 619 kfree(d_ptr, M_TEMP); 620 d_ptr = NULL; 621 622 #ifdef USB_DEBUG 623 for (j = 0; j < UMS_INFO_MAX; j++) { 624 info = &sc->sc_info[j]; 625 626 DPRINTF("sc=%p, index=%d\n", sc, j); 627 DPRINTF("X\t%d/%d id=%d\n", info->sc_loc_x.pos, 628 info->sc_loc_x.size, info->sc_iid_x); 629 DPRINTF("Y\t%d/%d id=%d\n", info->sc_loc_y.pos, 630 info->sc_loc_y.size, info->sc_iid_y); 631 DPRINTF("Z\t%d/%d id=%d\n", info->sc_loc_z.pos, 632 info->sc_loc_z.size, info->sc_iid_z); 633 DPRINTF("T\t%d/%d id=%d\n", info->sc_loc_t.pos, 634 info->sc_loc_t.size, info->sc_iid_t); 635 DPRINTF("W\t%d/%d id=%d\n", info->sc_loc_w.pos, 636 info->sc_loc_w.size, info->sc_iid_w); 637 638 for (i = 0; i < info->sc_buttons; i++) { 639 DPRINTF("B%d\t%d/%d id=%d\n", 640 i + 1, info->sc_loc_btn[i].pos, 641 info->sc_loc_btn[i].size, info->sc_iid_btn[i]); 642 } 643 } 644 DPRINTF("size=%d, id=%d\n", isize, sc->sc_iid); 645 #endif 646 647 err = usb_fifo_attach(uaa->device, sc, &sc->sc_lock, 648 &ums_fifo_methods, &sc->sc_fifo, 649 device_get_unit(dev), -1, uaa->info.bIfaceIndex, 650 UID_ROOT, GID_OPERATOR, 0644); 651 if (err) 652 goto detach; 653 #if 0 654 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 655 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 656 OID_AUTO, "parseinfo", CTLTYPE_STRING|CTLFLAG_RD, 657 sc, 0, ums_sysctl_handler_parseinfo, 658 "", "Dump of parsed HID report descriptor"); 659 #endif 660 661 return (0); 662 663 detach: 664 if (d_ptr) { 665 kfree(d_ptr, M_TEMP); 666 } 667 ums_detach(dev); 668 return (ENOMEM); 669 } 670 671 static int 672 ums_detach(device_t self) 673 { 674 struct ums_softc *sc = device_get_softc(self); 675 676 DPRINTF("sc=%p\n", sc); 677 678 usb_fifo_detach(&sc->sc_fifo); 679 680 usbd_transfer_unsetup(sc->sc_xfer, UMS_N_TRANSFER); 681 682 usb_callout_drain(&sc->sc_callout); 683 684 lockuninit(&sc->sc_lock); 685 686 return (0); 687 } 688 689 static void 690 ums_start_read(struct usb_fifo *fifo) 691 { 692 struct ums_softc *sc = usb_fifo_softc(fifo); 693 int rate; 694 695 /* Check if we should override the default polling interval */ 696 rate = sc->sc_pollrate; 697 /* Range check rate */ 698 if (rate > 1000) 699 rate = 1000; 700 /* Check for set rate */ 701 if ((rate > 0) && (sc->sc_xfer[UMS_INTR_DT] != NULL)) { 702 DPRINTF("Setting pollrate = %d\n", rate); 703 /* Stop current transfer, if any */ 704 usbd_transfer_stop(sc->sc_xfer[UMS_INTR_DT]); 705 /* Set new interval */ 706 usbd_xfer_set_interval(sc->sc_xfer[UMS_INTR_DT], 1000 / rate); 707 /* Only set pollrate once */ 708 sc->sc_pollrate = 0; 709 } 710 711 usbd_transfer_start(sc->sc_xfer[UMS_INTR_DT]); 712 } 713 714 static void 715 ums_stop_read(struct usb_fifo *fifo) 716 { 717 struct ums_softc *sc = usb_fifo_softc(fifo); 718 719 usbd_transfer_stop(sc->sc_xfer[UMS_INTR_DT]); 720 usb_callout_stop(&sc->sc_callout); 721 } 722 723 724 #if ((MOUSE_SYS_PACKETSIZE != 8) || \ 725 (MOUSE_MSC_PACKETSIZE != 5)) 726 #error "Software assumptions are not met. Please update code." 727 #endif 728 729 static void 730 ums_put_queue(struct ums_softc *sc, int32_t dx, int32_t dy, 731 int32_t dz, int32_t dt, int32_t buttons) 732 { 733 uint8_t buf[8]; 734 735 if (1) { 736 737 if (dx > 254) 738 dx = 254; 739 if (dx < -256) 740 dx = -256; 741 if (dy > 254) 742 dy = 254; 743 if (dy < -256) 744 dy = -256; 745 if (dz > 126) 746 dz = 126; 747 if (dz < -128) 748 dz = -128; 749 if (dt > 126) 750 dt = 126; 751 if (dt < -128) 752 dt = -128; 753 754 buf[0] = sc->sc_mode.syncmask[1]; 755 buf[0] |= (~buttons) & MOUSE_MSC_BUTTONS; 756 buf[1] = dx >> 1; 757 buf[2] = dy >> 1; 758 buf[3] = dx - (dx >> 1); 759 buf[4] = dy - (dy >> 1); 760 761 if (sc->sc_mode.level == 1) { 762 buf[5] = dz >> 1; 763 buf[6] = dz - (dz >> 1); 764 buf[7] = (((~buttons) >> 3) & MOUSE_SYS_EXTBUTTONS); 765 } 766 usb_fifo_put_data_linear(sc->sc_fifo.fp[USB_FIFO_RX], buf, 767 sc->sc_mode.packetsize, 1); 768 769 } else { 770 DPRINTF("Buffer full, discarded packet\n"); 771 } 772 } 773 774 static void 775 ums_reset_buf(struct ums_softc *sc) 776 { 777 /* reset read queue, must be called locked */ 778 usb_fifo_reset(sc->sc_fifo.fp[USB_FIFO_RX]); 779 } 780 781 static int 782 ums_open(struct usb_fifo *fifo, int fflags) 783 { 784 struct ums_softc *sc = usb_fifo_softc(fifo); 785 786 DPRINTFN(2, "\n"); 787 788 /* check for duplicate open, should not happen */ 789 if (sc->sc_fflags & fflags) 790 return (EBUSY); 791 792 /* check for first open */ 793 if (sc->sc_fflags == 0) { 794 795 /* reset all USB mouse parameters */ 796 797 if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON) 798 sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON; 799 else 800 sc->sc_hw.buttons = sc->sc_buttons; 801 802 sc->sc_hw.iftype = MOUSE_IF_USB; 803 sc->sc_hw.type = MOUSE_MOUSE; 804 sc->sc_hw.model = MOUSE_MODEL_GENERIC; 805 sc->sc_hw.hwid = 0; 806 807 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 808 sc->sc_mode.rate = -1; 809 sc->sc_mode.resolution = MOUSE_RES_UNKNOWN; 810 sc->sc_mode.accelfactor = 0; 811 sc->sc_mode.level = 0; 812 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 813 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 814 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 815 816 /* reset status */ 817 818 sc->sc_status.flags = 0; 819 sc->sc_status.button = 0; 820 sc->sc_status.obutton = 0; 821 sc->sc_status.dx = 0; 822 sc->sc_status.dy = 0; 823 sc->sc_status.dz = 0; 824 /* sc->sc_status.dt = 0; */ 825 } 826 827 if (fflags & FREAD) { 828 /* allocate RX buffer */ 829 if (usb_fifo_alloc_buffer(fifo, 830 UMS_BUF_SIZE, UMS_IFQ_MAXLEN)) { 831 return (ENOMEM); 832 } 833 } 834 835 sc->sc_fflags |= fflags & (FREAD | FWRITE); 836 return (0); 837 } 838 839 static void 840 ums_close(struct usb_fifo *fifo, int fflags) 841 { 842 struct ums_softc *sc = usb_fifo_softc(fifo); 843 844 DPRINTFN(2, "\n"); 845 846 if (fflags & FREAD) 847 usb_fifo_free_buffer(fifo); 848 849 sc->sc_fflags &= ~(fflags & (FREAD | FWRITE)); 850 } 851 852 static int 853 ums_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags) 854 { 855 struct ums_softc *sc = usb_fifo_softc(fifo); 856 mousemode_t mode; 857 int error = 0; 858 859 DPRINTFN(2, "\n"); 860 861 lockmgr(&sc->sc_lock, LK_EXCLUSIVE); 862 863 switch (cmd) { 864 case MOUSE_GETHWINFO: 865 *(mousehw_t *)addr = sc->sc_hw; 866 break; 867 868 case MOUSE_GETMODE: 869 *(mousemode_t *)addr = sc->sc_mode; 870 break; 871 872 case MOUSE_SETMODE: 873 mode = *(mousemode_t *)addr; 874 875 if (mode.level == -1) { 876 /* don't change the current setting */ 877 } else if ((mode.level < 0) || (mode.level > 1)) { 878 error = EINVAL; 879 break; 880 } else { 881 sc->sc_mode.level = mode.level; 882 } 883 884 /* store polling rate */ 885 sc->sc_pollrate = mode.rate; 886 887 if (sc->sc_mode.level == 0) { 888 if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON) 889 sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON; 890 else 891 sc->sc_hw.buttons = sc->sc_buttons; 892 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 893 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 894 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 895 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 896 } else if (sc->sc_mode.level == 1) { 897 if (sc->sc_buttons > MOUSE_SYS_MAXBUTTON) 898 sc->sc_hw.buttons = MOUSE_SYS_MAXBUTTON; 899 else 900 sc->sc_hw.buttons = sc->sc_buttons; 901 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE; 902 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE; 903 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK; 904 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC; 905 } 906 ums_reset_buf(sc); 907 break; 908 909 case MOUSE_GETLEVEL: 910 *(int *)addr = sc->sc_mode.level; 911 break; 912 913 case MOUSE_SETLEVEL: 914 if (*(int *)addr < 0 || *(int *)addr > 1) { 915 error = EINVAL; 916 break; 917 } 918 sc->sc_mode.level = *(int *)addr; 919 920 if (sc->sc_mode.level == 0) { 921 if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON) 922 sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON; 923 else 924 sc->sc_hw.buttons = sc->sc_buttons; 925 sc->sc_mode.protocol = MOUSE_PROTO_MSC; 926 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; 927 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; 928 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; 929 } else if (sc->sc_mode.level == 1) { 930 if (sc->sc_buttons > MOUSE_SYS_MAXBUTTON) 931 sc->sc_hw.buttons = MOUSE_SYS_MAXBUTTON; 932 else 933 sc->sc_hw.buttons = sc->sc_buttons; 934 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE; 935 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE; 936 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK; 937 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC; 938 } 939 ums_reset_buf(sc); 940 break; 941 942 case MOUSE_GETSTATUS:{ 943 mousestatus_t *status = (mousestatus_t *)addr; 944 945 *status = sc->sc_status; 946 sc->sc_status.obutton = sc->sc_status.button; 947 sc->sc_status.button = 0; 948 sc->sc_status.dx = 0; 949 sc->sc_status.dy = 0; 950 sc->sc_status.dz = 0; 951 /* sc->sc_status.dt = 0; */ 952 953 if (status->dx || status->dy || status->dz /* || status->dt */ ) { 954 status->flags |= MOUSE_POSCHANGED; 955 } 956 if (status->button != status->obutton) { 957 status->flags |= MOUSE_BUTTONSCHANGED; 958 } 959 break; 960 } 961 default: 962 error = ENOTTY; 963 break; 964 } 965 966 lockmgr(&sc->sc_lock, LK_RELEASE); 967 return (error); 968 } 969 970 #if 0 /* XXX */ 971 static int 972 ums_sysctl_handler_parseinfo(SYSCTL_HANDLER_ARGS) 973 { 974 struct ums_softc *sc = arg1; 975 struct ums_info *info; 976 struct sbuf *sb; 977 int i, j, err, had_output; 978 979 sb = sbuf_new_auto(); 980 for (i = 0, had_output = 0; i < UMS_INFO_MAX; i++) { 981 info = &sc->sc_info[i]; 982 983 /* Don't emit empty info */ 984 if ((info->sc_flags & 985 (UMS_FLAG_X_AXIS | UMS_FLAG_Y_AXIS | UMS_FLAG_Z_AXIS | 986 UMS_FLAG_T_AXIS | UMS_FLAG_W_AXIS)) == 0 && 987 info->sc_buttons == 0) 988 continue; 989 990 if (had_output) 991 sbuf_printf(sb, "\n"); 992 had_output = 1; 993 sbuf_printf(sb, "i%d:", i + 1); 994 if (info->sc_flags & UMS_FLAG_X_AXIS) 995 sbuf_printf(sb, " X:r%d, p%d, s%d;", 996 (int)info->sc_iid_x, 997 (int)info->sc_loc_x.pos, 998 (int)info->sc_loc_x.size); 999 if (info->sc_flags & UMS_FLAG_Y_AXIS) 1000 sbuf_printf(sb, " Y:r%d, p%d, s%d;", 1001 (int)info->sc_iid_y, 1002 (int)info->sc_loc_y.pos, 1003 (int)info->sc_loc_y.size); 1004 if (info->sc_flags & UMS_FLAG_Z_AXIS) 1005 sbuf_printf(sb, " Z:r%d, p%d, s%d;", 1006 (int)info->sc_iid_z, 1007 (int)info->sc_loc_z.pos, 1008 (int)info->sc_loc_z.size); 1009 if (info->sc_flags & UMS_FLAG_T_AXIS) 1010 sbuf_printf(sb, " T:r%d, p%d, s%d;", 1011 (int)info->sc_iid_t, 1012 (int)info->sc_loc_t.pos, 1013 (int)info->sc_loc_t.size); 1014 if (info->sc_flags & UMS_FLAG_W_AXIS) 1015 sbuf_printf(sb, " W:r%d, p%d, s%d;", 1016 (int)info->sc_iid_w, 1017 (int)info->sc_loc_w.pos, 1018 (int)info->sc_loc_w.size); 1019 1020 for (j = 0; j < info->sc_buttons; j++) { 1021 sbuf_printf(sb, " B%d:r%d, p%d, s%d;", j + 1, 1022 (int)info->sc_iid_btn[j], 1023 (int)info->sc_loc_btn[j].pos, 1024 (int)info->sc_loc_btn[j].size); 1025 } 1026 } 1027 sbuf_finish(sb); 1028 err = SYSCTL_OUT(req, sbuf_data(sb), sbuf_len(sb) + 1); 1029 sbuf_delete(sb); 1030 1031 return (err); 1032 } 1033 #endif 1034 1035 static devclass_t ums_devclass; 1036 1037 static device_method_t ums_methods[] = { 1038 DEVMETHOD(device_probe, ums_probe), 1039 DEVMETHOD(device_attach, ums_attach), 1040 DEVMETHOD(device_detach, ums_detach), 1041 DEVMETHOD_END 1042 }; 1043 1044 static driver_t ums_driver = { 1045 .name = "ums", 1046 .methods = ums_methods, 1047 .size = sizeof(struct ums_softc), 1048 }; 1049 1050 DRIVER_MODULE(ums, uhub, ums_driver, ums_devclass, NULL, NULL); 1051 MODULE_DEPEND(ums, usb, 1, 1, 1); 1052 MODULE_VERSION(ums, 1); 1053