1 /* $NetBSD: uhmodem.c,v 1.13 2011/12/23 00:51:46 jakllsch Exp $ */ 2 3 /* 4 * Copyright (c) 2008 Yojiro UO <yuo@nui.org>. 5 * All rights reserved. 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN 16 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 17 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 /*- 20 * Copyright (c) 2002, Alexander Kabaev <kan.FreeBSD.org>. 21 * All rights reserved. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the above copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 */ 44 /* 45 * Copyright (c) 2001 The NetBSD Foundation, Inc. 46 * All rights reserved. 47 * 48 * This code is derived from software contributed to The NetBSD Foundation 49 * by Ichiro FUKUHARA (ichiro@ichiro.org). 50 * 51 * Redistribution and use in source and binary forms, with or without 52 * modification, are permitted provided that the following conditions 53 * are met: 54 * 1. Redistributions of source code must retain the above copyright 55 * notice, this list of conditions and the following disclaimer. 56 * 2. Redistributions in binary form must reproduce the above copyright 57 * notice, this list of conditions and the following disclaimer in the 58 * documentation and/or other materials provided with the distribution. 59 * 60 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 61 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 62 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 63 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 64 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 65 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 66 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 67 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 68 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 69 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 70 * POSSIBILITY OF SUCH DAMAGE. 71 */ 72 73 #include <sys/cdefs.h> 74 __KERNEL_RCSID(0, "$NetBSD: uhmodem.c,v 1.13 2011/12/23 00:51:46 jakllsch Exp $"); 75 76 #include <sys/param.h> 77 #include <sys/systm.h> 78 #include <sys/kernel.h> 79 #include <sys/malloc.h> 80 #include <sys/ioccom.h> 81 #include <sys/fcntl.h> 82 #include <sys/conf.h> 83 #include <sys/tty.h> 84 #include <sys/file.h> 85 #include <sys/select.h> 86 #include <sys/proc.h> 87 #include <sys/device.h> 88 #include <sys/poll.h> 89 #include <sys/sysctl.h> 90 #include <sys/bus.h> 91 92 #include <dev/usb/usb.h> 93 #include <dev/usb/usbdi.h> 94 #include <dev/usb/usbdi_util.h> 95 #include <dev/usb/usbdivar.h> 96 97 #include <dev/usb/usbcdc.h> 98 #include <dev/usb/usbdevs.h> 99 #include <dev/usb/usb_quirks.h> 100 #include <dev/usb/ucomvar.h> 101 #include <dev/usb/ubsavar.h> 102 103 /* vendor specific bRequest */ 104 #define UHMODEM_REGWRITE 0x20 105 #define UHMODEM_REGREAD 0x21 106 #define UHMODEM_SETUP 0x22 107 108 #define UHMODEMIBUFSIZE 4096 109 #define UHMODEMOBUFSIZE 4096 110 111 #ifdef UHMODEM_DEBUG 112 Static int uhmodemdebug = 0; 113 #define DPRINTFN(n, x) do { \ 114 if (uhmodemdebug > (n)) \ 115 printf x; \ 116 } while (0) 117 #else 118 #define DPRINTFN(n, x) 119 #endif 120 #define DPRINTF(x) DPRINTFN(0, x) 121 122 Static int uhmodem_open(void *, int); 123 Static usbd_status e220_modechange_request(usbd_device_handle); 124 Static usbd_status uhmodem_endpointhalt(struct ubsa_softc *, int); 125 Static usbd_status uhmodem_regwrite(usbd_device_handle, uint8_t *, size_t); 126 Static usbd_status uhmodem_regread(usbd_device_handle, uint8_t *, size_t); 127 Static usbd_status a2502_init(usbd_device_handle); 128 #if 0 129 Static usbd_status uhmodem_regsetup(usbd_device_handle, uint16_t); 130 Static usbd_status e220_init(usbd_device_handle); 131 #endif 132 133 struct uhmodem_softc { 134 struct ubsa_softc sc_ubsa; 135 }; 136 137 struct ucom_methods uhmodem_methods = { 138 ubsa_get_status, 139 ubsa_set, 140 ubsa_param, 141 NULL, 142 uhmodem_open, 143 ubsa_close, 144 NULL, 145 NULL 146 }; 147 148 struct uhmodem_type { 149 struct usb_devno uhmodem_dev; 150 u_int16_t uhmodem_coms; /* number of serial interfaces on the device */ 151 u_int16_t uhmodem_flags; 152 #define E220 0x0001 153 #define A2502 0x0002 154 #define E620 0x0004 /* XXX */ 155 /* Whether or not it is a device different from E220 is not clear. */ 156 }; 157 158 Static const struct uhmodem_type uhmodem_devs[] = { 159 /* HUAWEI E220 / Emobile D0[12]HW */ 160 {{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E220 }, 2, E220}, 161 /* ANYDATA / NTT DoCoMo A2502 */ 162 {{ USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_A2502 }, 3, A2502}, 163 /* HUAWEI E620 */ 164 {{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_MOBILE }, 3, E620}, 165 }; 166 #define uhmodem_lookup(v, p) ((const struct uhmodem_type *)usb_lookup(uhmodem_devs, v, p)) 167 168 int uhmodem_match(device_t, cfdata_t, void *); 169 void uhmodem_attach(device_t, device_t, void *); 170 void uhmodem_childdet(device_t, device_t); 171 int uhmodem_detach(device_t, int); 172 int uhmodem_activate(device_t, enum devact); 173 extern struct cfdriver uhmodem_cd; 174 CFATTACH_DECL2_NEW(uhmodem, sizeof(struct uhmodem_softc), uhmodem_match, 175 uhmodem_attach, uhmodem_detach, uhmodem_activate, NULL, uhmodem_childdet); 176 177 int 178 uhmodem_match(device_t parent, cfdata_t match, void *aux) 179 { 180 struct usbif_attach_arg *uaa = aux; 181 182 if (uhmodem_lookup(uaa->vendor, uaa->product) != NULL) 183 /* XXX interface# 0,1 provide modem function, but this driver 184 handles all modem in single device. */ 185 if (uaa->ifaceno == 0) 186 return (UMATCH_VENDOR_PRODUCT); 187 return (UMATCH_NONE); 188 } 189 190 void 191 uhmodem_attach(device_t parent, device_t self, void *aux) 192 { 193 struct uhmodem_softc *sc = device_private(self); 194 struct usbif_attach_arg *uaa = aux; 195 usbd_device_handle dev = uaa->device; 196 usb_config_descriptor_t *cdesc; 197 usb_interface_descriptor_t *id; 198 usb_endpoint_descriptor_t *ed; 199 char *devinfop; 200 usbd_status err; 201 struct ucom_attach_args uca; 202 int i; 203 int j; 204 char comname[16]; 205 206 aprint_naive("\n"); 207 aprint_normal("\n"); 208 209 devinfop = usbd_devinfo_alloc(dev, 0); 210 aprint_normal_dev(self, "%s\n", devinfop); 211 usbd_devinfo_free(devinfop); 212 213 sc->sc_ubsa.sc_dev = self; 214 sc->sc_ubsa.sc_udev = dev; 215 sc->sc_ubsa.sc_config_index = UBSA_DEFAULT_CONFIG_INDEX; 216 sc->sc_ubsa.sc_numif = 1; /* defaut device has one interface */ 217 218 /* Hauwei E220 need special request to change its mode to modem */ 219 if ((uaa->ifaceno == 0) && (uaa->class != 255)) { 220 err = e220_modechange_request(dev); 221 if (err) { 222 aprint_error_dev(self, "failed to change mode: %s\n", 223 usbd_errstr(err)); 224 sc->sc_ubsa.sc_dying = 1; 225 goto error; 226 } 227 aprint_error_dev(self, 228 "mass storage only mode, reattach to enable modem\n"); 229 sc->sc_ubsa.sc_dying = 1; 230 goto error; 231 } 232 233 /* 234 * initialize rts, dtr variables to something 235 * different from boolean 0, 1 236 */ 237 sc->sc_ubsa.sc_dtr = -1; 238 sc->sc_ubsa.sc_rts = -1; 239 240 sc->sc_ubsa.sc_quadumts = 1; 241 sc->sc_ubsa.sc_config_index = 0; 242 sc->sc_ubsa.sc_numif = uhmodem_lookup(uaa->vendor, uaa->product)->uhmodem_coms; 243 sc->sc_ubsa.sc_devflags = uhmodem_lookup(uaa->vendor, uaa->product)->uhmodem_flags; 244 245 DPRINTF(("uhmodem attach: sc = %p\n", sc)); 246 247 /* Move the device into the configured state. */ 248 err = usbd_set_config_index(dev, sc->sc_ubsa.sc_config_index, 1); 249 if (err) { 250 aprint_error_dev(self, "failed to set configuration: %s\n", 251 usbd_errstr(err)); 252 sc->sc_ubsa.sc_dying = 1; 253 goto error; 254 } 255 256 /* get the config descriptor */ 257 cdesc = usbd_get_config_descriptor(sc->sc_ubsa.sc_udev); 258 if (cdesc == NULL) { 259 aprint_error_dev(self, 260 "failed to get configuration descriptor\n"); 261 sc->sc_ubsa.sc_dying = 1; 262 goto error; 263 } 264 265 sc->sc_ubsa.sc_intr_number = -1; 266 sc->sc_ubsa.sc_intr_pipe = NULL; 267 268 /* get the interfaces */ 269 for (i = 0; i < sc->sc_ubsa.sc_numif; i++) { 270 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX_OFFSET+i, 271 &sc->sc_ubsa.sc_iface[i]); 272 if (err) { 273 if (i == 0){ 274 /* can not get main interface */ 275 sc->sc_ubsa.sc_dying = 1; 276 goto error; 277 } else 278 break; 279 } 280 281 /* Find the endpoints */ 282 id = usbd_get_interface_descriptor(sc->sc_ubsa.sc_iface[i]); 283 sc->sc_ubsa.sc_iface_number[i] = id->bInterfaceNumber; 284 285 /* initialize endpoints */ 286 uca.bulkin = uca.bulkout = -1; 287 288 for (j = 0; j < id->bNumEndpoints; j++) { 289 ed = usbd_interface2endpoint_descriptor( 290 sc->sc_ubsa.sc_iface[i], j); 291 if (ed == NULL) { 292 aprint_error_dev(self, 293 "no endpoint descriptor for %d " 294 "(interface: %d)\n", j, i); 295 break; 296 } 297 298 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 299 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 300 sc->sc_ubsa.sc_intr_number = ed->bEndpointAddress; 301 sc->sc_ubsa.sc_isize = UGETW(ed->wMaxPacketSize); 302 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 303 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 304 uca.bulkin = ed->bEndpointAddress; 305 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 306 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 307 uca.bulkout = ed->bEndpointAddress; 308 } 309 } /* end of Endpoint loop */ 310 311 if (sc->sc_ubsa.sc_intr_number == -1) { 312 aprint_error_dev(self, "HUAWEI E220 need to re-attach " 313 "to enable modem function\n"); 314 if (i == 0) { 315 /* could not get intr for main tty */ 316 sc->sc_ubsa.sc_dying = 1; 317 goto error; 318 } else 319 break; 320 } 321 if (uca.bulkin == -1) { 322 aprint_error_dev(self, 323 "Could not find data bulk in\n"); 324 sc->sc_ubsa.sc_dying = 1; 325 goto error; 326 } 327 328 if (uca.bulkout == -1) { 329 aprint_error_dev(self, 330 "Could not find data bulk out\n"); 331 sc->sc_ubsa.sc_dying = 1; 332 goto error; 333 } 334 335 switch (i) { 336 case 0: 337 snprintf(comname, sizeof(comname), "modem"); 338 break; 339 case 1: 340 snprintf(comname, sizeof(comname), "alt#1"); 341 break; 342 case 2: 343 snprintf(comname, sizeof(comname), "alt#2"); 344 break; 345 default: 346 snprintf(comname, sizeof(comname), "int#%d", i); 347 break; 348 } 349 350 uca.portno = i; 351 /* bulkin, bulkout set above */ 352 uca.ibufsize = UHMODEMIBUFSIZE; 353 uca.obufsize = UHMODEMOBUFSIZE; 354 uca.ibufsizepad = UHMODEMIBUFSIZE; 355 uca.opkthdrlen = 0; 356 uca.device = dev; 357 uca.iface = sc->sc_ubsa.sc_iface[i]; 358 uca.methods = &uhmodem_methods; 359 uca.arg = &sc->sc_ubsa; 360 uca.info = comname; 361 DPRINTF(("uhmodem: int#=%d, in = 0x%x, out = 0x%x, intr = 0x%x\n", 362 i, uca.bulkin, uca.bulkout, sc->sc_ubsa.sc_intr_number)); 363 sc->sc_ubsa.sc_subdevs[i] = config_found_sm_loc(self, "ucombus", NULL, 364 &uca, ucomprint, ucomsubmatch); 365 366 /* issue endpoint halt to each interface */ 367 err = uhmodem_endpointhalt(&sc->sc_ubsa, i); 368 if (err) 369 aprint_error("%s: endpointhalt fail\n", __func__); 370 else 371 usbd_delay_ms(sc->sc_ubsa.sc_udev, 50); 372 } /* end of Interface loop */ 373 374 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_ubsa.sc_udev, 375 sc->sc_ubsa.sc_dev); 376 377 return; 378 379 error: 380 return; 381 } 382 383 void 384 uhmodem_childdet(device_t self, device_t child) 385 { 386 int i; 387 struct uhmodem_softc *sc = device_private(self); 388 389 for (i = 0; i < sc->sc_ubsa.sc_numif; i++) { 390 if (sc->sc_ubsa.sc_subdevs[i] == child) 391 break; 392 } 393 KASSERT(i < sc->sc_ubsa.sc_numif); 394 sc->sc_ubsa.sc_subdevs[i] = NULL; 395 } 396 397 int 398 uhmodem_detach(device_t self, int flags) 399 { 400 struct uhmodem_softc *sc = device_private(self); 401 int i; 402 int rv = 0; 403 404 DPRINTF(("uhmodem_detach: sc = %p\n", sc)); 405 406 if (sc->sc_ubsa.sc_intr_pipe != NULL) { 407 usbd_abort_pipe(sc->sc_ubsa.sc_intr_pipe); 408 usbd_close_pipe(sc->sc_ubsa.sc_intr_pipe); 409 free(sc->sc_ubsa.sc_intr_buf, M_USBDEV); 410 sc->sc_ubsa.sc_intr_pipe = NULL; 411 } 412 413 sc->sc_ubsa.sc_dying = 1; 414 for (i = 0; i < sc->sc_ubsa.sc_numif; i++) { 415 if (sc->sc_ubsa.sc_subdevs[i] != NULL) 416 rv |= config_detach(sc->sc_ubsa.sc_subdevs[i], flags); 417 } 418 419 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_ubsa.sc_udev, 420 sc->sc_ubsa.sc_dev); 421 422 return (rv); 423 } 424 425 int 426 uhmodem_activate(device_t self, enum devact act) 427 { 428 struct uhmodem_softc *sc = device_private(self); 429 430 switch (act) { 431 case DVACT_DEACTIVATE: 432 sc->sc_ubsa.sc_dying = 1; 433 return 0; 434 default: 435 return EOPNOTSUPP; 436 } 437 } 438 439 Static int 440 uhmodem_open(void *addr, int portno) 441 { 442 struct ubsa_softc *sc = addr; 443 usbd_status err; 444 445 if (sc->sc_dying) 446 return (ENXIO); 447 448 DPRINTF(("%s: sc = %p\n", __func__, sc)); 449 450 err = uhmodem_endpointhalt(sc, 0); 451 if (err) 452 aprint_error("%s: endpointhalt fail\n", __func__); 453 else 454 usbd_delay_ms(sc->sc_udev, 50); 455 456 if (sc->sc_devflags & A2502) { 457 err = a2502_init(sc->sc_udev); 458 if (err) 459 aprint_error("%s: a2502init fail\n", __func__); 460 else 461 usbd_delay_ms(sc->sc_udev, 50); 462 } 463 #if 0 /* currently disabled */ 464 if (sc->sc_devflags & E220) { 465 err = e220_init(sc->sc_udev); 466 if (err) 467 aprint_error("%s: e220init fail\n", __func__); 468 else 469 usbd_delay_ms(sc->sc_udev, 50); 470 } 471 #endif 472 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 473 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 474 /* XXX only iface# = 0 has intr line */ 475 /* XXX E220 specific? need to check */ 476 err = usbd_open_pipe_intr(sc->sc_iface[0], 477 sc->sc_intr_number, 478 USBD_SHORT_XFER_OK, 479 &sc->sc_intr_pipe, 480 sc, 481 sc->sc_intr_buf, 482 sc->sc_isize, 483 ubsa_intr, 484 UBSA_INTR_INTERVAL); 485 if (err) { 486 aprint_error_dev(sc->sc_dev, 487 "cannot open interrupt pipe (addr %d)\n", 488 sc->sc_intr_number); 489 return (EIO); 490 } 491 } 492 493 return (0); 494 } 495 496 /* 497 * Hauwei E220 needs special request to enable modem function. 498 * -- DEVICE_REMOTE_WAKEUP ruquest to endpoint 2. 499 */ 500 Static usbd_status 501 e220_modechange_request(usbd_device_handle dev) 502 { 503 #define E220_MODE_CHANGE_REQUEST 0x2 504 usb_device_request_t req; 505 usbd_status err; 506 507 req.bmRequestType = UT_WRITE_DEVICE; 508 req.bRequest = UR_SET_FEATURE; 509 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 510 USETW(req.wIndex, E220_MODE_CHANGE_REQUEST); 511 USETW(req.wLength, 0); 512 513 DPRINTF(("%s: send e220 mode change request\n", __func__)); 514 err = usbd_do_request(dev, &req, 0); 515 if (err) { 516 DPRINTF(("%s: E220 mode change fail\n", __func__)); 517 return (EIO); 518 } 519 520 return (0); 521 #undef E220_MODE_CHANGE_REQUEST 522 } 523 524 Static usbd_status 525 uhmodem_endpointhalt(struct ubsa_softc *sc, int iface) 526 { 527 usb_device_request_t req; 528 usb_endpoint_descriptor_t *ed; 529 usb_interface_descriptor_t *id; 530 usbd_status err; 531 int i; 532 533 /* Find the endpoints */ 534 id = usbd_get_interface_descriptor(sc->sc_iface[iface]); 535 536 for (i = 0; i < id->bNumEndpoints; i++) { 537 ed = usbd_interface2endpoint_descriptor(sc->sc_iface[iface], i); 538 if (ed == NULL) 539 return (EIO); 540 541 if (UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 542 /* issue ENDPOINT_HALT request */ 543 req.bmRequestType = UT_WRITE_ENDPOINT; 544 req.bRequest = UR_CLEAR_FEATURE; 545 USETW(req.wValue, UF_ENDPOINT_HALT); 546 USETW(req.wIndex, ed->bEndpointAddress); 547 USETW(req.wLength, 0); 548 err = usbd_do_request(sc->sc_udev, &req, 0); 549 if (err) { 550 DPRINTF(("%s: ENDPOINT_HALT to EP:%d fail\n", 551 __func__, ed->bEndpointAddress)); 552 return (EIO); 553 } 554 555 } 556 } /* end of Endpoint loop */ 557 558 return (0); 559 } 560 561 Static usbd_status 562 uhmodem_regwrite(usbd_device_handle dev, uint8_t *data, size_t len) 563 { 564 usb_device_request_t req; 565 usbd_status err; 566 567 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 568 req.bRequest = UHMODEM_REGWRITE; 569 USETW(req.wValue, 0x0000); 570 USETW(req.wIndex, 0x0000); 571 USETW(req.wLength, len); 572 err = usbd_do_request(dev, &req, data); 573 if (err) 574 return err; 575 576 return 0; 577 } 578 579 Static usbd_status 580 uhmodem_regread(usbd_device_handle dev, uint8_t *data, size_t len) 581 { 582 usb_device_request_t req; 583 usbd_status err; 584 585 req.bmRequestType = UT_READ_CLASS_INTERFACE; 586 req.bRequest = UHMODEM_REGREAD; 587 USETW(req.wValue, 0x0000); 588 USETW(req.wIndex, 0x0000); 589 USETW(req.wLength, len); 590 err = usbd_do_request(dev, &req, data); 591 592 if (err) 593 return err; 594 595 return 0; 596 } 597 598 #if 0 599 Static usbd_status 600 uhmodem_regsetup(usbd_device_handle dev, uint16_t cmd) 601 { 602 usb_device_request_t req; 603 usbd_status err; 604 605 req.bmRequestType = UT_READ_CLASS_INTERFACE; 606 req.bRequest = UHMODEM_SETUP; 607 USETW(req.wValue, cmd); 608 USETW(req.wIndex, 0x0000); 609 USETW(req.wLength, 0); 610 err = usbd_do_request(dev, &req, 0); 611 612 if (err) 613 return err; 614 615 return 0; 616 } 617 #endif 618 619 Static usbd_status 620 a2502_init(usbd_device_handle dev) 621 { 622 uint8_t data[8]; 623 static uint8_t init_cmd[] = {0x00, 0xE1, 0x00, 0x00, 0x00, 0x00, 0x08}; 624 #ifdef UHMODEM_DEBUG 625 int i; 626 #endif 627 if (uhmodem_regread(dev, data, 7)) { 628 DPRINTF(("%s: read fail\n", __func__)); 629 return EIO; 630 } 631 #ifdef UHMODEM_DEBUG 632 printf("%s: readdata: ", __func__); 633 for (i = 0; i < 7; i++) 634 printf("0x%x ", data[i]); 635 #endif 636 if (uhmodem_regwrite(dev, init_cmd, sizeof(init_cmd)) ) { 637 DPRINTF(("%s: write fail\n", __func__)); 638 return EIO; 639 } 640 641 if (uhmodem_regread(dev, data, 7)) { 642 DPRINTF(("%s: read fail\n", __func__)); 643 return EIO; 644 } 645 #ifdef UHMODEM_DEBUG 646 printf("%s: readdata: ", __func__); 647 printf(" => "); 648 for (i = 0; i < 7; i++) 649 printf("0x%x ", data[i]); 650 printf("\n"); 651 #endif 652 return 0; 653 } 654 655 656 #if 0 657 /* 658 * Windows device driver send these sequens of USB requests. 659 * However currently I can't understand what the messege is, 660 * disable this code when I get more information about it. 661 */ 662 Static usbd_status 663 e220_init(usbd_device_handle dev) 664 { 665 uint8_t data[8]; 666 usb_device_request_t req; 667 int i; 668 669 /* vendor specific unknown request */ 670 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 671 req.bRequest = 0x02; 672 USETW(req.wValue, 0x0001); 673 USETW(req.wIndex, 0x0000); 674 USETW(req.wLength, 2); 675 data[0] = 0x0; 676 data[1] = 0x0; 677 if (usbd_do_request(dev, &req, data)) 678 goto error; 679 680 /* vendor specific unknown sequence */ 681 if(uhmodem_regsetup(dev, 0x1)) 682 goto error; 683 684 if (uhmodem_regread(dev, data, 7)) 685 goto error; 686 687 data[1] = 0x8; 688 data[2] = 0x7; 689 if (uhmodem_regwrite(dev, data, sizeof(data)) ) 690 goto error; 691 692 if (uhmodem_regread(dev, data, 7)) 693 goto error; 694 /* XXX should verify the read data ? */ 695 696 if (uhmodem_regsetup(dev, 0x3)) 697 goto error; 698 699 return (0); 700 error: 701 DPRINTF(("%s: E220 init request fail\n", __func__)); 702 return (EIO); 703 } 704 #endif 705 706