uhmodem.c revision 1.5
1 /* $NetBSD: uhmodem.c,v 1.5 2008/04/10 19:49:14 cegger Exp $ */ 2 3 /* 4 * Copyright (c) 2008 Yojiro UO <yuo (at) 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 (at) 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 * 3. All advertising materials mentioning features or use of this software 60 * must display the following acknowledgement: 61 * This product includes software developed by the NetBSD 62 * Foundation, Inc. and its contributors. 63 * 4. Neither the name of The NetBSD Foundation nor the names of its 64 * contributors may be used to endorse or promote products derived 65 * from this software without specific prior written permission. 66 * 67 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 68 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 69 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 70 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 71 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 72 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 73 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 74 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 75 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 76 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 77 * POSSIBILITY OF SUCH DAMAGE. 78 */ 79 80 #include <sys/cdefs.h> 81 __KERNEL_RCSID(0, "$NetBSD: uhmodem.c,v 1.5 2008/04/10 19:49:14 cegger Exp $"); 82 83 #include <sys/param.h> 84 #include <sys/systm.h> 85 #include <sys/kernel.h> 86 #include <sys/malloc.h> 87 #include <sys/ioccom.h> 88 #include <sys/fcntl.h> 89 #include <sys/conf.h> 90 #include <sys/tty.h> 91 #include <sys/file.h> 92 #include <sys/select.h> 93 #include <sys/proc.h> 94 #include <sys/device.h> 95 #include <sys/poll.h> 96 #include <sys/sysctl.h> 97 #include <sys/bus.h> 98 99 #include <dev/usb/usb.h> 100 #include <dev/usb/usbdi.h> 101 #include <dev/usb/usbdi_util.h> 102 #include <dev/usb/usbdivar.h> 103 104 #include <dev/usb/usbcdc.h> 105 #include <dev/usb/usbdevs.h> 106 #include <dev/usb/usb_quirks.h> 107 #include <dev/usb/ucomvar.h> 108 #include <dev/usb/ubsavar.h> 109 110 /* vendor specific bRequest */ 111 #define UHMODEM_REGWRITE 0x20 112 #define UHMODEM_REGREAD 0x21 113 #define UHMODEM_SETUP 0x22 114 115 #define UHMODEMIBUFSIZE 4096 116 #define UHMODEMOBUFSIZE 4096 117 118 #ifdef UHMODEM_DEBUG 119 Static int uhmodemdebug = 0; 120 #define DPRINTFN(n, x) do { \ 121 if (uhmodemdebug > (n)) \ 122 logprintf x; \ 123 } while (0) 124 #else 125 #define DPRINTFN(n, x) 126 #endif 127 #define DPRINTF(x) DPRINTFN(0, x) 128 129 Static int uhmodem_open(void *, int); 130 Static usbd_status e220_modechange_request(usbd_device_handle); 131 Static usbd_status uhmodem_endpointhalt(struct ubsa_softc *, int); 132 Static usbd_status uhmodem_regwrite(usbd_device_handle, uint8_t *, size_t); 133 Static usbd_status uhmodem_regread(usbd_device_handle, uint8_t *, size_t); 134 Static usbd_status a2502_init(usbd_device_handle); 135 #if 0 136 Static usbd_status uhmodem_regsetup(usbd_device_handle, uint16_t); 137 Static usbd_status e220_init(usbd_device_handle); 138 #endif 139 140 struct uhmodem_softc { 141 struct ubsa_softc sc_ubsa; 142 }; 143 144 struct ucom_methods uhmodem_methods = { 145 ubsa_get_status, 146 ubsa_set, 147 ubsa_param, 148 NULL, 149 uhmodem_open, 150 ubsa_close, 151 NULL, 152 NULL 153 }; 154 155 struct uhmodem_type { 156 struct usb_devno uhmodem_dev; 157 u_int16_t uhmodem_coms; /* number of serial interfaces on the device */ 158 u_int16_t uhmodem_flags; 159 #define E220 0x0001 160 #define A2502 0x0002 161 #define E620 0x0004 /* XXX */ 162 /* Whether or not it is a device different from E220 is not clear. */ 163 }; 164 165 Static const struct uhmodem_type uhmodem_devs[] = { 166 /* HUAWEI E220 / Emobile D0[12]HW */ 167 {{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E220 }, 2, E220}, 168 /* ANYDATA / NTT DoCoMo A2502 */ 169 {{ USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_A2502 }, 3, A2502}, 170 /* HUAWEI E620 */ 171 {{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_MOBILE }, 3, E620}, 172 }; 173 #define uhmodem_lookup(v, p) ((const struct uhmodem_type *)usb_lookup(uhmodem_devs, v, p)) 174 175 int uhmodem_match(device_t, struct cfdata *, void *); 176 void uhmodem_attach(device_t, device_t, void *); 177 void uhmodem_childdet(device_t, device_t); 178 int uhmodem_detach(device_t, int); 179 int uhmodem_activate(device_t, enum devact); 180 extern struct cfdriver uhmodem_cd; 181 CFATTACH_DECL2(uhmodem, sizeof(struct uhmodem_softc), uhmodem_match, 182 uhmodem_attach, uhmodem_detach, uhmodem_activate, NULL, uhmodem_childdet); 183 184 USB_MATCH(uhmodem) 185 { 186 USB_IFMATCH_START(uhmodem, uaa); 187 188 if (uhmodem_lookup(uaa->vendor, uaa->product) != NULL) 189 /* XXX interface# 0,1 provide modem function, but this driver 190 handles all modem in single device. */ 191 if (uaa->ifaceno == 0) 192 return (UMATCH_VENDOR_PRODUCT); 193 return (UMATCH_NONE); 194 } 195 196 USB_ATTACH(uhmodem) 197 { 198 USB_IFATTACH_START(uhmodem, sc, uaa); 199 usbd_device_handle dev = uaa->device; 200 usb_config_descriptor_t *cdesc; 201 usb_interface_descriptor_t *id; 202 usb_endpoint_descriptor_t *ed; 203 char *devinfop; 204 const char *devname = USBDEVNAME(sc->sc_ubsa.sc_dev); 205 usbd_status err; 206 struct ucom_attach_args uca; 207 int i; 208 int j; 209 char comname[16]; 210 211 devinfop = usbd_devinfo_alloc(dev, 0); 212 USB_ATTACH_SETUP; 213 printf("%s: %s\n", devname, devinfop); 214 usbd_devinfo_free(devinfop); 215 216 sc->sc_ubsa.sc_udev = dev; 217 sc->sc_ubsa.sc_config_index = UBSA_DEFAULT_CONFIG_INDEX; 218 sc->sc_ubsa.sc_numif = 1; /* defaut device has one interface */ 219 220 /* Hauwei E220 need special request to change its mode to modem */ 221 if ((uaa->ifaceno == 0) && (uaa->class != 255)) { 222 err = e220_modechange_request(dev); 223 if (err) { 224 printf("%s: failed to change mode: %s\n", 225 devname, usbd_errstr(err)); 226 sc->sc_ubsa.sc_dying = 1; 227 goto error; 228 } 229 printf("%s: mass storage only mode, reattach to enable modem\n", 230 devname); 231 sc->sc_ubsa.sc_dying = 1; 232 goto error; 233 } 234 235 /* 236 * initialize rts, dtr variables to something 237 * different from boolean 0, 1 238 */ 239 sc->sc_ubsa.sc_dtr = -1; 240 sc->sc_ubsa.sc_rts = -1; 241 242 sc->sc_ubsa.sc_quadumts = 1; 243 sc->sc_ubsa.sc_config_index = 0; 244 sc->sc_ubsa.sc_numif = uhmodem_lookup(uaa->vendor, uaa->product)->uhmodem_coms; 245 sc->sc_ubsa.sc_devflags = uhmodem_lookup(uaa->vendor, uaa->product)->uhmodem_flags; 246 247 DPRINTF(("uhmodem attach: sc = %p\n", sc)); 248 249 /* Move the device into the configured state. */ 250 err = usbd_set_config_index(dev, sc->sc_ubsa.sc_config_index, 1); 251 if (err) { 252 printf("%s: failed to set configuration: %s\n", 253 devname, usbd_errstr(err)); 254 sc->sc_ubsa.sc_dying = 1; 255 goto error; 256 } 257 258 /* get the config descriptor */ 259 cdesc = usbd_get_config_descriptor(sc->sc_ubsa.sc_udev); 260 if (cdesc == NULL) { 261 printf("%s: failed to get configuration descriptor\n", 262 devname); 263 sc->sc_ubsa.sc_dying = 1; 264 goto error; 265 } 266 267 sc->sc_ubsa.sc_intr_number = -1; 268 sc->sc_ubsa.sc_intr_pipe = NULL; 269 270 /* get the interfaces */ 271 for (i = 0; i < sc->sc_ubsa.sc_numif; i++) { 272 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX_OFFSET+i, 273 &sc->sc_ubsa.sc_iface[i]); 274 if (err) { 275 if (i == 0){ 276 /* can not get main interface */ 277 sc->sc_ubsa.sc_dying = 1; 278 goto error; 279 } else 280 break; 281 } 282 283 /* Find the endpoints */ 284 id = usbd_get_interface_descriptor(sc->sc_ubsa.sc_iface[i]); 285 sc->sc_ubsa.sc_iface_number[i] = id->bInterfaceNumber; 286 287 /* initialize endpoints */ 288 uca.bulkin = uca.bulkout = -1; 289 290 for (j = 0; j < id->bNumEndpoints; j++) { 291 ed = usbd_interface2endpoint_descriptor( 292 sc->sc_ubsa.sc_iface[i], j); 293 if (ed == NULL) { 294 printf("%s: no endpoint descriptor for %d (interface: %d)\n", 295 devname, j, i); 296 break; 297 } 298 299 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 300 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 301 sc->sc_ubsa.sc_intr_number = ed->bEndpointAddress; 302 sc->sc_ubsa.sc_isize = UGETW(ed->wMaxPacketSize); 303 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 304 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 305 uca.bulkin = ed->bEndpointAddress; 306 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 307 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 308 uca.bulkout = ed->bEndpointAddress; 309 } 310 } /* end of Endpoint loop */ 311 312 if (sc->sc_ubsa.sc_intr_number == -1) { 313 printf("%s: HUAWEI E220 need to re-attach to enable modem function\n", devname); 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 printf("%s: Could not find data bulk in\n", devname); 323 sc->sc_ubsa.sc_dying = 1; 324 goto error; 325 } 326 327 if (uca.bulkout == -1) { 328 printf("%s: Could not find data bulk out\n", devname); 329 sc->sc_ubsa.sc_dying = 1; 330 goto error; 331 } 332 333 switch (i) { 334 case 0: 335 snprintf(comname, sizeof(comname), "modem"); 336 break; 337 case 1: 338 snprintf(comname, sizeof(comname), "alt#1"); 339 break; 340 case 2: 341 snprintf(comname, sizeof(comname), "alt#2"); 342 break; 343 default: 344 snprintf(comname, sizeof(comname), "int#%d", i); 345 break; 346 } 347 348 uca.portno = i; 349 /* bulkin, bulkout set above */ 350 uca.ibufsize = UHMODEMIBUFSIZE; 351 uca.obufsize = UHMODEMOBUFSIZE; 352 uca.ibufsizepad = UHMODEMIBUFSIZE; 353 uca.opkthdrlen = 0; 354 uca.device = dev; 355 uca.iface = sc->sc_ubsa.sc_iface[i]; 356 uca.methods = &uhmodem_methods; 357 uca.arg = &sc->sc_ubsa; 358 uca.info = comname; 359 DPRINTF(("uhmodem: int#=%d, in = 0x%x, out = 0x%x, intr = 0x%x\n", 360 i, uca.bulkin, uca.bulkout, sc->sc_ubsa.sc_intr_number)); 361 sc->sc_ubsa.sc_subdevs[i] = config_found_sm_loc(self, "ucombus", NULL, 362 &uca, ucomprint, ucomsubmatch); 363 364 /* issue endpoint halt to each interface */ 365 err = uhmodem_endpointhalt(&sc->sc_ubsa, i); 366 if (err) 367 printf("%s: endpointhalt fail\n", __func__); 368 else 369 usbd_delay_ms(sc->sc_ubsa.sc_udev, 50); 370 } /* end of Interface loop */ 371 372 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_ubsa.sc_udev, 373 USBDEV(sc->sc_ubsa.sc_dev)); 374 375 USB_ATTACH_SUCCESS_RETURN; 376 377 error: 378 USB_ATTACH_ERROR_RETURN; 379 } 380 381 void 382 uhmodem_childdet(device_t self, device_t child) 383 { 384 int i; 385 struct uhmodem_softc *sc = device_private(self); 386 387 for (i = 0; i < sc->sc_ubsa.sc_numif; i++) { 388 if (sc->sc_ubsa.sc_subdevs[i] == child) 389 break; 390 } 391 KASSERT(i < sc->sc_ubsa.sc_numif); 392 sc->sc_ubsa.sc_subdevs[i] = NULL; 393 } 394 395 USB_DETACH(uhmodem) 396 { 397 USB_DETACH_START(uhmodem, sc); 398 int i; 399 int rv = 0; 400 401 DPRINTF(("uhmodem_detach: sc = %p\n", sc)); 402 403 if (sc->sc_ubsa.sc_intr_pipe != NULL) { 404 usbd_abort_pipe(sc->sc_ubsa.sc_intr_pipe); 405 usbd_close_pipe(sc->sc_ubsa.sc_intr_pipe); 406 free(sc->sc_ubsa.sc_intr_buf, M_USBDEV); 407 sc->sc_ubsa.sc_intr_pipe = NULL; 408 } 409 410 sc->sc_ubsa.sc_dying = 1; 411 for (i = 0; i < sc->sc_ubsa.sc_numif; i++) { 412 if (sc->sc_ubsa.sc_subdevs[i] != NULL) 413 rv |= config_detach(sc->sc_ubsa.sc_subdevs[i], flags); 414 } 415 416 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_ubsa.sc_udev, 417 USBDEV(sc->sc_ubsa.sc_dev)); 418 419 return (rv); 420 } 421 422 int 423 uhmodem_activate(device_t self, enum devact act) 424 { 425 struct uhmodem_softc *sc = device_private(self); 426 int rv = 0; 427 int i; 428 429 switch (act) { 430 case DVACT_ACTIVATE: 431 return (EOPNOTSUPP); 432 433 case DVACT_DEACTIVATE: 434 for (i = 0; i < sc->sc_ubsa.sc_numif; i++) { 435 if (sc->sc_ubsa.sc_subdevs[i] != NULL) 436 rv |= config_deactivate(sc->sc_ubsa.sc_subdevs[i]); 437 } 438 sc->sc_ubsa.sc_dying = 1; 439 break; 440 } 441 return (rv); 442 } 443 444 Static int 445 uhmodem_open(void *addr, int portno) 446 { 447 struct ubsa_softc *sc = addr; 448 usbd_status err; 449 450 if (sc->sc_dying) 451 return (ENXIO); 452 453 DPRINTF(("%s: sc = %p\n", __func__, sc)); 454 455 err = uhmodem_endpointhalt(sc, 0); 456 if (err) 457 printf("%s: endpointhalt fail\n", __func__); 458 else 459 usbd_delay_ms(sc->sc_udev, 50); 460 461 if (sc->sc_devflags & A2502) { 462 err = a2502_init(sc->sc_udev); 463 if (err) 464 printf("%s: a2502init fail\n", __func__); 465 else 466 usbd_delay_ms(sc->sc_udev, 50); 467 } 468 #if 0 /* currently disabled */ 469 if (sc->sc_devflags & E220) { 470 err = e220_init(sc->sc_udev); 471 if (err) 472 printf("%s: e220init fail\n", __func__); 473 else 474 usbd_delay_ms(sc->sc_udev, 50); 475 } 476 #endif 477 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { 478 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 479 /* XXX only iface# = 0 has intr line */ 480 /* XXX E220 specific? need to check */ 481 err = usbd_open_pipe_intr(sc->sc_iface[0], 482 sc->sc_intr_number, 483 USBD_SHORT_XFER_OK, 484 &sc->sc_intr_pipe, 485 sc, 486 sc->sc_intr_buf, 487 sc->sc_isize, 488 ubsa_intr, 489 UBSA_INTR_INTERVAL); 490 if (err) { 491 printf("%s: cannot open interrupt pipe (addr %d)\n", 492 USBDEVNAME(sc->sc_dev), 493 sc->sc_intr_number); 494 return (EIO); 495 } 496 } 497 498 return (0); 499 } 500 501 /* 502 * Hauwei E220 needs special request to enable modem function. 503 * -- DEVICE_REMOTE_WAKEUP ruquest to endpoint 2. 504 */ 505 Static usbd_status 506 e220_modechange_request(usbd_device_handle dev) 507 { 508 #define E220_MODE_CHANGE_REQUEST 0x2 509 usb_device_request_t req; 510 usbd_status err; 511 512 req.bmRequestType = UT_WRITE_DEVICE; 513 req.bRequest = UR_SET_FEATURE; 514 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 515 USETW(req.wIndex, E220_MODE_CHANGE_REQUEST); 516 USETW(req.wLength, 0); 517 518 DPRINTF(("%s: send e220 mode change request\n", __func__)); 519 err = usbd_do_request(dev, &req, 0); 520 if (err) { 521 DPRINTF(("%s: E220 mode change fail\n", __func__)); 522 return (EIO); 523 } 524 525 return (0); 526 #undef E220_MODE_CHANGE_REQUEST 527 } 528 529 Static usbd_status 530 uhmodem_endpointhalt(struct ubsa_softc *sc, int iface) 531 { 532 usb_device_request_t req; 533 usb_endpoint_descriptor_t *ed; 534 usb_interface_descriptor_t *id; 535 usbd_status err; 536 int i; 537 538 /* Find the endpoints */ 539 id = usbd_get_interface_descriptor(sc->sc_iface[iface]); 540 541 for (i = 0; i < id->bNumEndpoints; i++) { 542 ed = usbd_interface2endpoint_descriptor(sc->sc_iface[iface], i); 543 if (ed == NULL) 544 return (EIO); 545 546 if (UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 547 /* issue ENDPOINT_HALT request */ 548 req.bmRequestType = UT_WRITE_ENDPOINT; 549 req.bRequest = UR_CLEAR_FEATURE; 550 USETW(req.wValue, UF_ENDPOINT_HALT); 551 USETW(req.wIndex, ed->bEndpointAddress); 552 USETW(req.wLength, 0); 553 err = usbd_do_request(sc->sc_udev, &req, 0); 554 if (err) { 555 DPRINTF(("%s: ENDPOINT_HALT to EP:%d fail\n", 556 __func__, ed->bEndpointAddress)); 557 return (EIO); 558 } 559 560 } 561 } /* end of Endpoint loop */ 562 563 return (0); 564 } 565 566 Static usbd_status 567 uhmodem_regwrite(usbd_device_handle dev, uint8_t *data, size_t len) 568 { 569 usb_device_request_t req; 570 usbd_status err; 571 572 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 573 req.bRequest = UHMODEM_REGWRITE; 574 USETW(req.wValue, 0x0000); 575 USETW(req.wIndex, 0x0000); 576 USETW(req.wLength, len); 577 err = usbd_do_request(dev, &req, data); 578 if (err) 579 return err; 580 581 return 0; 582 } 583 584 Static usbd_status 585 uhmodem_regread(usbd_device_handle dev, uint8_t *data, size_t len) 586 { 587 usb_device_request_t req; 588 usbd_status err; 589 590 req.bmRequestType = UT_READ_CLASS_INTERFACE; 591 req.bRequest = UHMODEM_REGREAD; 592 USETW(req.wValue, 0x0000); 593 USETW(req.wIndex, 0x0000); 594 USETW(req.wLength, len); 595 err = usbd_do_request(dev, &req, data); 596 597 if (err) 598 return err; 599 600 return 0; 601 } 602 603 #if 0 604 Static usbd_status 605 uhmodem_regsetup(usbd_device_handle dev, uint16_t cmd) 606 { 607 usb_device_request_t req; 608 usbd_status err; 609 610 req.bmRequestType = UT_READ_CLASS_INTERFACE; 611 req.bRequest = UHMODEM_SETUP; 612 USETW(req.wValue, cmd); 613 USETW(req.wIndex, 0x0000); 614 USETW(req.wLength, 0); 615 err = usbd_do_request(dev, &req, 0); 616 617 if (err) 618 return err; 619 620 return 0; 621 } 622 #endif 623 624 Static usbd_status 625 a2502_init(usbd_device_handle dev) 626 { 627 uint8_t data[8]; 628 static uint8_t init_cmd[] = {0x00, 0xE1, 0x00, 0x00, 0x00, 0x00, 0x08}; 629 #ifdef UHMODEM_DEBUG 630 int i; 631 #endif 632 if (uhmodem_regread(dev, data, 7)) { 633 DPRINTF(("%s: read fail\n", __func__)); 634 return EIO; 635 } 636 #ifdef UHMODEM_DEBUG 637 printf("%s: readdata: ", __func__); 638 for (i = 0; i < 7; i++) 639 printf("0x%x ", data[i]); 640 #endif 641 if (uhmodem_regwrite(dev, init_cmd, sizeof(init_cmd)) ) { 642 DPRINTF(("%s: write fail\n", __func__)); 643 return EIO; 644 } 645 646 if (uhmodem_regread(dev, data, 7)) { 647 DPRINTF(("%s: read fail\n", __func__)); 648 return EIO; 649 } 650 #ifdef UHMODEM_DEBUG 651 printf("%s: readdata: ", __func__); 652 printf(" => "); 653 for (i = 0; i < 7; i++) 654 printf("0x%x ", data[i]); 655 printf("\n"); 656 #endif 657 return 0; 658 } 659 660 661 #if 0 662 /* 663 * Windows device driver send these sequens of USB requests. 664 * However currently I can't understand what the messege is, 665 * disable this code when I get more information about it. 666 */ 667 Static usbd_status 668 e220_init(usbd_device_handle dev) 669 { 670 uint8_t data[8]; 671 usb_device_request_t req; 672 int i; 673 674 /* vendor specific unknown request */ 675 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 676 req.bRequest = 0x02; 677 USETW(req.wValue, 0x0001); 678 USETW(req.wIndex, 0x0000); 679 USETW(req.wLength, 2); 680 data[0] = 0x0; 681 data[1] = 0x0; 682 if (usbd_do_request(dev, &req, data)) 683 goto error; 684 685 /* vendor specific unknown sequence */ 686 if(uhmodem_regsetup(dev, 0x1)) 687 goto error; 688 689 if (uhmodem_regread(dev, data, 7)) 690 goto error; 691 692 data[1] = 0x8; 693 data[2] = 0x7; 694 if (uhmodem_regwrite(dev, data, sizeof(data)) ) 695 goto error; 696 697 if (uhmodem_regread(dev, data, 7)) 698 goto error; 699 /* XXX should verify the read data ? */ 700 701 if (uhmodem_regsetup(dev, 0x3)) 702 goto error; 703 704 return (0); 705 error: 706 DPRINTF(("%s: E220 init request fail\n", __func__)); 707 return (EIO); 708 } 709 #endif 710 711
Indexes created Fri Sep 26 08:10:20 GMT 2025