1 /* $NetBSD: uhid.c,v 1.46 2001/11/13 06:24:55 lukem Exp $ */ 2 3 /* Also already merged from NetBSD: 4 * $NetBSD: uhid.c,v 1.54 2002/09/23 05:51:21 simonb Exp $ 5 */ 6 7 #include <sys/cdefs.h> 8 __FBSDID("$FreeBSD$"); 9 10 /*- 11 * Copyright (c) 1998 The NetBSD Foundation, Inc. 12 * All rights reserved. 13 * 14 * This code is derived from software contributed to The NetBSD Foundation 15 * by Lennart Augustsson (lennart@augustsson.net) at 16 * Carlstedt Research & Technology. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions 20 * are met: 21 * 1. Redistributions of source code must retain the above copyright 22 * notice, this list of conditions and the following disclaimer. 23 * 2. Redistributions in binary form must reproduce the above copyright 24 * notice, this list of conditions and the following disclaimer in the 25 * documentation and/or other materials provided with the distribution. 26 * 3. All advertising materials mentioning features or use of this software 27 * must display the following acknowledgement: 28 * This product includes software developed by the NetBSD 29 * Foundation, Inc. and its contributors. 30 * 4. Neither the name of The NetBSD Foundation nor the names of its 31 * contributors may be used to endorse or promote products derived 32 * from this software without specific prior written permission. 33 * 34 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 35 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 36 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 37 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 38 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 39 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 40 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 41 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 42 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 43 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 44 * POSSIBILITY OF SUCH DAMAGE. 45 */ 46 47 /* 48 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf 49 */ 50 51 #include <sys/stdint.h> 52 #include <sys/stddef.h> 53 #include <sys/param.h> 54 #include <sys/queue.h> 55 #include <sys/types.h> 56 #include <sys/systm.h> 57 #include <sys/kernel.h> 58 #include <sys/bus.h> 59 #include <sys/linker_set.h> 60 #include <sys/module.h> 61 #include <sys/lock.h> 62 #include <sys/mutex.h> 63 #include <sys/condvar.h> 64 #include <sys/sysctl.h> 65 #include <sys/sx.h> 66 #include <sys/unistd.h> 67 #include <sys/callout.h> 68 #include <sys/malloc.h> 69 #include <sys/priv.h> 70 #include <sys/conf.h> 71 #include <sys/fcntl.h> 72 73 #include "usbdevs.h" 74 #include <dev/usb/usb.h> 75 #include <dev/usb/usbdi.h> 76 #include <dev/usb/usbdi_util.h> 77 #include <dev/usb/usbhid.h> 78 #include <dev/usb/usb_ioctl.h> 79 80 #define USB_DEBUG_VAR uhid_debug 81 #include <dev/usb/usb_debug.h> 82 83 #include <dev/usb/input/usb_rdesc.h> 84 #include <dev/usb/quirk/usb_quirk.h> 85 86 #if USB_DEBUG 87 static int uhid_debug = 0; 88 89 SYSCTL_NODE(_hw_usb, OID_AUTO, uhid, CTLFLAG_RW, 0, "USB uhid"); 90 SYSCTL_INT(_hw_usb_uhid, OID_AUTO, debug, CTLFLAG_RW, 91 &uhid_debug, 0, "Debug level"); 92 #endif 93 94 #define UHID_BSIZE 1024 /* bytes, buffer size */ 95 #define UHID_FRAME_NUM 50 /* bytes, frame number */ 96 97 enum { 98 UHID_INTR_DT_RD, 99 UHID_CTRL_DT_WR, 100 UHID_CTRL_DT_RD, 101 UHID_N_TRANSFER, 102 }; 103 104 struct uhid_softc { 105 struct usb_fifo_sc sc_fifo; 106 struct mtx sc_mtx; 107 108 struct usb_xfer *sc_xfer[UHID_N_TRANSFER]; 109 struct usb_device *sc_udev; 110 void *sc_repdesc_ptr; 111 112 uint32_t sc_isize; 113 uint32_t sc_osize; 114 uint32_t sc_fsize; 115 116 uint16_t sc_repdesc_size; 117 118 uint8_t sc_iface_no; 119 uint8_t sc_iface_index; 120 uint8_t sc_iid; 121 uint8_t sc_oid; 122 uint8_t sc_fid; 123 uint8_t sc_flags; 124 #define UHID_FLAG_IMMED 0x01 /* set if read should be immediate */ 125 #define UHID_FLAG_STATIC_DESC 0x04 /* set if report descriptors are 126 * static */ 127 }; 128 129 static const uint8_t uhid_xb360gp_report_descr[] = {UHID_XB360GP_REPORT_DESCR()}; 130 static const uint8_t uhid_graphire_report_descr[] = {UHID_GRAPHIRE_REPORT_DESCR()}; 131 static const uint8_t uhid_graphire3_4x5_report_descr[] = {UHID_GRAPHIRE3_4X5_REPORT_DESCR()}; 132 133 /* prototypes */ 134 135 static device_probe_t uhid_probe; 136 static device_attach_t uhid_attach; 137 static device_detach_t uhid_detach; 138 139 static usb_callback_t uhid_intr_callback; 140 static usb_callback_t uhid_write_callback; 141 static usb_callback_t uhid_read_callback; 142 143 static usb_fifo_cmd_t uhid_start_read; 144 static usb_fifo_cmd_t uhid_stop_read; 145 static usb_fifo_cmd_t uhid_start_write; 146 static usb_fifo_cmd_t uhid_stop_write; 147 static usb_fifo_open_t uhid_open; 148 static usb_fifo_close_t uhid_close; 149 static usb_fifo_ioctl_t uhid_ioctl; 150 151 static struct usb_fifo_methods uhid_fifo_methods = { 152 .f_open = &uhid_open, 153 .f_close = &uhid_close, 154 .f_ioctl = &uhid_ioctl, 155 .f_start_read = &uhid_start_read, 156 .f_stop_read = &uhid_stop_read, 157 .f_start_write = &uhid_start_write, 158 .f_stop_write = &uhid_stop_write, 159 .basename[0] = "uhid", 160 }; 161 162 static void 163 uhid_intr_callback(struct usb_xfer *xfer, usb_error_t error) 164 { 165 struct uhid_softc *sc = usbd_xfer_softc(xfer); 166 struct usb_page_cache *pc; 167 int actlen; 168 169 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 170 171 switch (USB_GET_STATE(xfer)) { 172 case USB_ST_TRANSFERRED: 173 DPRINTF("transferred!\n"); 174 175 pc = usbd_xfer_get_frame(xfer, 0); 176 if (actlen >= sc->sc_isize) { 177 usb_fifo_put_data(sc->sc_fifo.fp[USB_FIFO_RX], pc, 178 0, sc->sc_isize, 1); 179 } else { 180 /* ignore it */ 181 DPRINTF("ignored short transfer, %d bytes\n", actlen); 182 } 183 184 case USB_ST_SETUP: 185 re_submit: 186 if (usb_fifo_put_bytes_max( 187 sc->sc_fifo.fp[USB_FIFO_RX]) != 0) { 188 usbd_xfer_set_frame_len(xfer, 0, sc->sc_isize); 189 usbd_transfer_submit(xfer); 190 } 191 return; 192 193 default: /* Error */ 194 if (error != USB_ERR_CANCELLED) { 195 /* try to clear stall first */ 196 usbd_xfer_set_stall(xfer); 197 goto re_submit; 198 } 199 return; 200 } 201 } 202 203 static void 204 uhid_fill_set_report(struct usb_device_request *req, uint8_t iface_no, 205 uint8_t type, uint8_t id, uint16_t size) 206 { 207 req->bmRequestType = UT_WRITE_CLASS_INTERFACE; 208 req->bRequest = UR_SET_REPORT; 209 USETW2(req->wValue, type, id); 210 req->wIndex[0] = iface_no; 211 req->wIndex[1] = 0; 212 USETW(req->wLength, size); 213 } 214 215 static void 216 uhid_fill_get_report(struct usb_device_request *req, uint8_t iface_no, 217 uint8_t type, uint8_t id, uint16_t size) 218 { 219 req->bmRequestType = UT_READ_CLASS_INTERFACE; 220 req->bRequest = UR_GET_REPORT; 221 USETW2(req->wValue, type, id); 222 req->wIndex[0] = iface_no; 223 req->wIndex[1] = 0; 224 USETW(req->wLength, size); 225 } 226 227 static void 228 uhid_write_callback(struct usb_xfer *xfer, usb_error_t error) 229 { 230 struct uhid_softc *sc = usbd_xfer_softc(xfer); 231 struct usb_device_request req; 232 struct usb_page_cache *pc; 233 uint32_t size = sc->sc_osize; 234 uint32_t actlen; 235 uint8_t id; 236 237 switch (USB_GET_STATE(xfer)) { 238 case USB_ST_TRANSFERRED: 239 case USB_ST_SETUP: 240 /* try to extract the ID byte */ 241 if (sc->sc_oid) { 242 pc = usbd_xfer_get_frame(xfer, 0); 243 if (usb_fifo_get_data(sc->sc_fifo.fp[USB_FIFO_TX], pc, 244 0, 1, &actlen, 0)) { 245 if (actlen != 1) { 246 goto tr_error; 247 } 248 usbd_copy_out(pc, 0, &id, 1); 249 250 } else { 251 return; 252 } 253 if (size) { 254 size--; 255 } 256 } else { 257 id = 0; 258 } 259 260 pc = usbd_xfer_get_frame(xfer, 1); 261 if (usb_fifo_get_data(sc->sc_fifo.fp[USB_FIFO_TX], pc, 262 0, UHID_BSIZE, &actlen, 1)) { 263 if (actlen != size) { 264 goto tr_error; 265 } 266 uhid_fill_set_report 267 (&req, sc->sc_iface_no, 268 UHID_OUTPUT_REPORT, id, size); 269 270 pc = usbd_xfer_get_frame(xfer, 0); 271 usbd_copy_in(pc, 0, &req, sizeof(req)); 272 273 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 274 usbd_xfer_set_frame_len(xfer, 1, size); 275 usbd_xfer_set_frames(xfer, size ? 2 : 1); 276 usbd_transfer_submit(xfer); 277 } 278 return; 279 280 default: 281 tr_error: 282 /* bomb out */ 283 usb_fifo_get_data_error(sc->sc_fifo.fp[USB_FIFO_TX]); 284 return; 285 } 286 } 287 288 static void 289 uhid_read_callback(struct usb_xfer *xfer, usb_error_t error) 290 { 291 struct uhid_softc *sc = usbd_xfer_softc(xfer); 292 struct usb_device_request req; 293 struct usb_page_cache *pc; 294 295 pc = usbd_xfer_get_frame(xfer, 0); 296 297 switch (USB_GET_STATE(xfer)) { 298 case USB_ST_TRANSFERRED: 299 usb_fifo_put_data(sc->sc_fifo.fp[USB_FIFO_RX], pc, sizeof(req), 300 sc->sc_isize, 1); 301 return; 302 303 case USB_ST_SETUP: 304 305 if (usb_fifo_put_bytes_max(sc->sc_fifo.fp[USB_FIFO_RX]) > 0) { 306 307 uhid_fill_get_report 308 (&req, sc->sc_iface_no, UHID_INPUT_REPORT, 309 sc->sc_iid, sc->sc_isize); 310 311 usbd_copy_in(pc, 0, &req, sizeof(req)); 312 313 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 314 usbd_xfer_set_frame_len(xfer, 1, sc->sc_isize); 315 usbd_xfer_set_frames(xfer, sc->sc_isize ? 2 : 1); 316 usbd_transfer_submit(xfer); 317 } 318 return; 319 320 default: /* Error */ 321 /* bomb out */ 322 usb_fifo_put_data_error(sc->sc_fifo.fp[USB_FIFO_RX]); 323 return; 324 } 325 } 326 327 static const struct usb_config uhid_config[UHID_N_TRANSFER] = { 328 329 [UHID_INTR_DT_RD] = { 330 .type = UE_INTERRUPT, 331 .endpoint = UE_ADDR_ANY, 332 .direction = UE_DIR_IN, 333 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 334 .bufsize = UHID_BSIZE, 335 .callback = &uhid_intr_callback, 336 }, 337 338 [UHID_CTRL_DT_WR] = { 339 .type = UE_CONTROL, 340 .endpoint = 0x00, /* Control pipe */ 341 .direction = UE_DIR_ANY, 342 .bufsize = sizeof(struct usb_device_request) + UHID_BSIZE, 343 .callback = &uhid_write_callback, 344 .timeout = 1000, /* 1 second */ 345 }, 346 347 [UHID_CTRL_DT_RD] = { 348 .type = UE_CONTROL, 349 .endpoint = 0x00, /* Control pipe */ 350 .direction = UE_DIR_ANY, 351 .bufsize = sizeof(struct usb_device_request) + UHID_BSIZE, 352 .callback = &uhid_read_callback, 353 .timeout = 1000, /* 1 second */ 354 }, 355 }; 356 357 static void 358 uhid_start_read(struct usb_fifo *fifo) 359 { 360 struct uhid_softc *sc = usb_fifo_softc(fifo); 361 362 if (sc->sc_flags & UHID_FLAG_IMMED) { 363 usbd_transfer_start(sc->sc_xfer[UHID_CTRL_DT_RD]); 364 } else { 365 usbd_transfer_start(sc->sc_xfer[UHID_INTR_DT_RD]); 366 } 367 } 368 369 static void 370 uhid_stop_read(struct usb_fifo *fifo) 371 { 372 struct uhid_softc *sc = usb_fifo_softc(fifo); 373 374 usbd_transfer_stop(sc->sc_xfer[UHID_CTRL_DT_RD]); 375 usbd_transfer_stop(sc->sc_xfer[UHID_INTR_DT_RD]); 376 } 377 378 static void 379 uhid_start_write(struct usb_fifo *fifo) 380 { 381 struct uhid_softc *sc = usb_fifo_softc(fifo); 382 383 usbd_transfer_start(sc->sc_xfer[UHID_CTRL_DT_WR]); 384 } 385 386 static void 387 uhid_stop_write(struct usb_fifo *fifo) 388 { 389 struct uhid_softc *sc = usb_fifo_softc(fifo); 390 391 usbd_transfer_stop(sc->sc_xfer[UHID_CTRL_DT_WR]); 392 } 393 394 static int 395 uhid_get_report(struct uhid_softc *sc, uint8_t type, 396 uint8_t id, void *kern_data, void *user_data, 397 uint16_t len) 398 { 399 int err; 400 uint8_t free_data = 0; 401 402 if (kern_data == NULL) { 403 kern_data = malloc(len, M_USBDEV, M_WAITOK); 404 if (kern_data == NULL) { 405 err = ENOMEM; 406 goto done; 407 } 408 free_data = 1; 409 } 410 err = usbd_req_get_report(sc->sc_udev, NULL, kern_data, 411 len, sc->sc_iface_index, type, id); 412 if (err) { 413 err = ENXIO; 414 goto done; 415 } 416 if (user_data) { 417 /* dummy buffer */ 418 err = copyout(kern_data, user_data, len); 419 if (err) { 420 goto done; 421 } 422 } 423 done: 424 if (free_data) { 425 free(kern_data, M_USBDEV); 426 } 427 return (err); 428 } 429 430 static int 431 uhid_set_report(struct uhid_softc *sc, uint8_t type, 432 uint8_t id, void *kern_data, void *user_data, 433 uint16_t len) 434 { 435 int err; 436 uint8_t free_data = 0; 437 438 if (kern_data == NULL) { 439 kern_data = malloc(len, M_USBDEV, M_WAITOK); 440 if (kern_data == NULL) { 441 err = ENOMEM; 442 goto done; 443 } 444 free_data = 1; 445 err = copyin(user_data, kern_data, len); 446 if (err) { 447 goto done; 448 } 449 } 450 err = usbd_req_set_report(sc->sc_udev, NULL, kern_data, 451 len, sc->sc_iface_index, type, id); 452 if (err) { 453 err = ENXIO; 454 goto done; 455 } 456 done: 457 if (free_data) { 458 free(kern_data, M_USBDEV); 459 } 460 return (err); 461 } 462 463 static int 464 uhid_open(struct usb_fifo *fifo, int fflags) 465 { 466 struct uhid_softc *sc = usb_fifo_softc(fifo); 467 468 /* 469 * The buffers are one byte larger than maximum so that one 470 * can detect too large read/writes and short transfers: 471 */ 472 if (fflags & FREAD) { 473 /* reset flags */ 474 sc->sc_flags &= ~UHID_FLAG_IMMED; 475 476 if (usb_fifo_alloc_buffer(fifo, 477 sc->sc_isize + 1, UHID_FRAME_NUM)) { 478 return (ENOMEM); 479 } 480 } 481 if (fflags & FWRITE) { 482 if (usb_fifo_alloc_buffer(fifo, 483 sc->sc_osize + 1, UHID_FRAME_NUM)) { 484 return (ENOMEM); 485 } 486 } 487 return (0); 488 } 489 490 static void 491 uhid_close(struct usb_fifo *fifo, int fflags) 492 { 493 if (fflags & (FREAD | FWRITE)) { 494 usb_fifo_free_buffer(fifo); 495 } 496 } 497 498 static int 499 uhid_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, 500 int fflags) 501 { 502 struct uhid_softc *sc = usb_fifo_softc(fifo); 503 struct usb_gen_descriptor *ugd; 504 uint32_t size; 505 int error = 0; 506 uint8_t id; 507 508 switch (cmd) { 509 case USB_GET_REPORT_DESC: 510 ugd = addr; 511 if (sc->sc_repdesc_size > ugd->ugd_maxlen) { 512 size = ugd->ugd_maxlen; 513 } else { 514 size = sc->sc_repdesc_size; 515 } 516 ugd->ugd_actlen = size; 517 if (ugd->ugd_data == NULL) 518 break; /* descriptor length only */ 519 error = copyout(sc->sc_repdesc_ptr, ugd->ugd_data, size); 520 break; 521 522 case USB_SET_IMMED: 523 if (!(fflags & FREAD)) { 524 error = EPERM; 525 break; 526 } 527 if (*(int *)addr) { 528 529 /* do a test read */ 530 531 error = uhid_get_report(sc, UHID_INPUT_REPORT, 532 sc->sc_iid, NULL, NULL, sc->sc_isize); 533 if (error) { 534 break; 535 } 536 mtx_lock(&sc->sc_mtx); 537 sc->sc_flags |= UHID_FLAG_IMMED; 538 mtx_unlock(&sc->sc_mtx); 539 } else { 540 mtx_lock(&sc->sc_mtx); 541 sc->sc_flags &= ~UHID_FLAG_IMMED; 542 mtx_unlock(&sc->sc_mtx); 543 } 544 break; 545 546 case USB_GET_REPORT: 547 if (!(fflags & FREAD)) { 548 error = EPERM; 549 break; 550 } 551 ugd = addr; 552 switch (ugd->ugd_report_type) { 553 case UHID_INPUT_REPORT: 554 size = sc->sc_isize; 555 id = sc->sc_iid; 556 break; 557 case UHID_OUTPUT_REPORT: 558 size = sc->sc_osize; 559 id = sc->sc_oid; 560 break; 561 case UHID_FEATURE_REPORT: 562 size = sc->sc_fsize; 563 id = sc->sc_fid; 564 break; 565 default: 566 return (EINVAL); 567 } 568 error = uhid_get_report(sc, ugd->ugd_report_type, id, 569 NULL, ugd->ugd_data, size); 570 break; 571 572 case USB_SET_REPORT: 573 if (!(fflags & FWRITE)) { 574 error = EPERM; 575 break; 576 } 577 ugd = addr; 578 switch (ugd->ugd_report_type) { 579 case UHID_INPUT_REPORT: 580 size = sc->sc_isize; 581 id = sc->sc_iid; 582 break; 583 case UHID_OUTPUT_REPORT: 584 size = sc->sc_osize; 585 id = sc->sc_oid; 586 break; 587 case UHID_FEATURE_REPORT: 588 size = sc->sc_fsize; 589 id = sc->sc_fid; 590 break; 591 default: 592 return (EINVAL); 593 } 594 error = uhid_set_report(sc, ugd->ugd_report_type, id, 595 NULL, ugd->ugd_data, size); 596 break; 597 598 case USB_GET_REPORT_ID: 599 *(int *)addr = 0; /* XXX: we only support reportid 0? */ 600 break; 601 602 default: 603 error = EINVAL; 604 break; 605 } 606 return (error); 607 } 608 609 static int 610 uhid_probe(device_t dev) 611 { 612 struct usb_attach_arg *uaa = device_get_ivars(dev); 613 614 DPRINTFN(11, "\n"); 615 616 if (uaa->usb_mode != USB_MODE_HOST) { 617 return (ENXIO); 618 } 619 if (uaa->use_generic == 0) { 620 /* give Mouse and Keyboard drivers a try first */ 621 return (ENXIO); 622 } 623 if (uaa->info.bInterfaceClass != UICLASS_HID) { 624 625 /* the Xbox 360 gamepad doesn't use the HID class */ 626 627 if ((uaa->info.bInterfaceClass != UICLASS_VENDOR) || 628 (uaa->info.bInterfaceSubClass != UISUBCLASS_XBOX360_CONTROLLER) || 629 (uaa->info.bInterfaceProtocol != UIPROTO_XBOX360_GAMEPAD)) { 630 return (ENXIO); 631 } 632 } 633 if (usb_test_quirk(uaa, UQ_HID_IGNORE)) { 634 return (ENXIO); 635 } 636 return (0); 637 } 638 639 static int 640 uhid_attach(device_t dev) 641 { 642 struct usb_attach_arg *uaa = device_get_ivars(dev); 643 struct uhid_softc *sc = device_get_softc(dev); 644 int unit = device_get_unit(dev); 645 int error = 0; 646 647 DPRINTFN(10, "sc=%p\n", sc); 648 649 device_set_usb_desc(dev); 650 651 mtx_init(&sc->sc_mtx, "uhid lock", NULL, MTX_DEF | MTX_RECURSE); 652 653 sc->sc_udev = uaa->device; 654 655 sc->sc_iface_no = uaa->info.bIfaceNum; 656 sc->sc_iface_index = uaa->info.bIfaceIndex; 657 658 error = usbd_transfer_setup(uaa->device, 659 &uaa->info.bIfaceIndex, sc->sc_xfer, uhid_config, 660 UHID_N_TRANSFER, sc, &sc->sc_mtx); 661 662 if (error) { 663 DPRINTF("error=%s\n", usbd_errstr(error)); 664 goto detach; 665 } 666 if (uaa->info.idVendor == USB_VENDOR_WACOM) { 667 668 /* the report descriptor for the Wacom Graphire is broken */ 669 670 if (uaa->info.idProduct == USB_PRODUCT_WACOM_GRAPHIRE) { 671 672 sc->sc_repdesc_size = sizeof(uhid_graphire_report_descr); 673 sc->sc_repdesc_ptr = &uhid_graphire_report_descr; 674 sc->sc_flags |= UHID_FLAG_STATIC_DESC; 675 676 } else if (uaa->info.idProduct == USB_PRODUCT_WACOM_GRAPHIRE3_4X5) { 677 678 static uint8_t reportbuf[] = {2, 2, 2}; 679 680 /* 681 * The Graphire3 needs 0x0202 to be written to 682 * feature report ID 2 before it'll start 683 * returning digitizer data. 684 */ 685 error = usbd_req_set_report(uaa->device, NULL, 686 reportbuf, sizeof(reportbuf), 687 uaa->info.bIfaceIndex, UHID_FEATURE_REPORT, 2); 688 689 if (error) { 690 DPRINTF("set report failed, error=%s (ignored)\n", 691 usbd_errstr(error)); 692 } 693 sc->sc_repdesc_size = sizeof(uhid_graphire3_4x5_report_descr); 694 sc->sc_repdesc_ptr = &uhid_graphire3_4x5_report_descr; 695 sc->sc_flags |= UHID_FLAG_STATIC_DESC; 696 } 697 } else if ((uaa->info.bInterfaceClass == UICLASS_VENDOR) && 698 (uaa->info.bInterfaceSubClass == UISUBCLASS_XBOX360_CONTROLLER) && 699 (uaa->info.bInterfaceProtocol == UIPROTO_XBOX360_GAMEPAD)) { 700 701 /* the Xbox 360 gamepad has no report descriptor */ 702 sc->sc_repdesc_size = sizeof(uhid_xb360gp_report_descr); 703 sc->sc_repdesc_ptr = &uhid_xb360gp_report_descr; 704 sc->sc_flags |= UHID_FLAG_STATIC_DESC; 705 } 706 if (sc->sc_repdesc_ptr == NULL) { 707 708 error = usbd_req_get_hid_desc(uaa->device, NULL, 709 &sc->sc_repdesc_ptr, &sc->sc_repdesc_size, 710 M_USBDEV, uaa->info.bIfaceIndex); 711 712 if (error) { 713 device_printf(dev, "no report descriptor\n"); 714 goto detach; 715 } 716 } 717 error = usbd_req_set_idle(uaa->device, NULL, 718 uaa->info.bIfaceIndex, 0, 0); 719 720 if (error) { 721 DPRINTF("set idle failed, error=%s (ignored)\n", 722 usbd_errstr(error)); 723 } 724 sc->sc_isize = hid_report_size 725 (sc->sc_repdesc_ptr, sc->sc_repdesc_size, hid_input, &sc->sc_iid); 726 727 sc->sc_osize = hid_report_size 728 (sc->sc_repdesc_ptr, sc->sc_repdesc_size, hid_output, &sc->sc_oid); 729 730 sc->sc_fsize = hid_report_size 731 (sc->sc_repdesc_ptr, sc->sc_repdesc_size, hid_feature, &sc->sc_fid); 732 733 if (sc->sc_isize > UHID_BSIZE) { 734 DPRINTF("input size is too large, " 735 "%d bytes (truncating)\n", 736 sc->sc_isize); 737 sc->sc_isize = UHID_BSIZE; 738 } 739 if (sc->sc_osize > UHID_BSIZE) { 740 DPRINTF("output size is too large, " 741 "%d bytes (truncating)\n", 742 sc->sc_osize); 743 sc->sc_osize = UHID_BSIZE; 744 } 745 if (sc->sc_fsize > UHID_BSIZE) { 746 DPRINTF("feature size is too large, " 747 "%d bytes (truncating)\n", 748 sc->sc_fsize); 749 sc->sc_fsize = UHID_BSIZE; 750 } 751 752 error = usb_fifo_attach(uaa->device, sc, &sc->sc_mtx, 753 &uhid_fifo_methods, &sc->sc_fifo, 754 unit, 0 - 1, uaa->info.bIfaceIndex, 755 UID_ROOT, GID_OPERATOR, 0644); 756 if (error) { 757 goto detach; 758 } 759 return (0); /* success */ 760 761 detach: 762 uhid_detach(dev); 763 return (ENOMEM); 764 } 765 766 static int 767 uhid_detach(device_t dev) 768 { 769 struct uhid_softc *sc = device_get_softc(dev); 770 771 usb_fifo_detach(&sc->sc_fifo); 772 773 usbd_transfer_unsetup(sc->sc_xfer, UHID_N_TRANSFER); 774 775 if (sc->sc_repdesc_ptr) { 776 if (!(sc->sc_flags & UHID_FLAG_STATIC_DESC)) { 777 free(sc->sc_repdesc_ptr, M_USBDEV); 778 } 779 } 780 mtx_destroy(&sc->sc_mtx); 781 782 return (0); 783 } 784 785 static devclass_t uhid_devclass; 786 787 static device_method_t uhid_methods[] = { 788 DEVMETHOD(device_probe, uhid_probe), 789 DEVMETHOD(device_attach, uhid_attach), 790 DEVMETHOD(device_detach, uhid_detach), 791 {0, 0} 792 }; 793 794 static driver_t uhid_driver = { 795 .name = "uhid", 796 .methods = uhid_methods, 797 .size = sizeof(struct uhid_softc), 798 }; 799 800 DRIVER_MODULE(uhid, uhub, uhid_driver, uhid_devclass, NULL, 0); 801 MODULE_DEPEND(uhid, usb, 1, 1, 1); 802