uhmodem.c revision 1.3
1 /* $NetBSD: uhmodem.c,v 1.3 2008/02/18 05:24:24 dyoung 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 1.3 2008/02/18 05:24:24 dyoung 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 }; 162 163 Static const struct uhmodem_type uhmodem_devs[] = { 164 /* HUAWEI E220 / Emobile D0[12]HW */ 165 {{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E220 }, 2, E220}, 166 /* ANYDATA / NTT DoCoMo A2502 */ 167 {{ USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_A2502 }, 3, A2502}, 168 }; 169 #define uhmodem_lookup(v, p) ((const struct uhmodem_type *)usb_lookup(uhmodem_devs, v, p)) 170 171 int uhmodem_match(device_t, struct cfdata *, void *); 172 void uhmodem_attach(device_t, device_t, void *); 173 void uhmodem_childdet(device_t, device_t); 174 int uhmodem_detach(device_t, int); 175 int uhmodem_activate(device_t, enum devact); 176 extern struct cfdriver uhmodem_cd; 177 CFATTACH_DECL2(uhmodem, sizeof(struct uhmodem_softc), uhmodem_match, 178 uhmodem_attach, uhmodem_detach, uhmodem_activate, NULL, uhmodem_childdet); 179 180 USB_MATCH(uhmodem) 181 { 182 USB_IFMATCH_START(uhmodem, uaa); 183 184 if (uhmodem_lookup(uaa->vendor, uaa->product) != NULL) 185 /* XXX interface# 0,1 provide modem function, but this driver 186 handles all modem in single device. */ 187 if (uaa->ifaceno == 0) 188 return (UMATCH_VENDOR_PRODUCT); 189 return (UMATCH_NONE); 190 } 191 192 USB_ATTACH(uhmodem) 193 { 194 USB_IFATTACH_START(uhmodem, sc, uaa); 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 const char *devname = USBDEVNAME(sc->sc_ubsa.sc_dev); 201 usbd_status err; 202 struct ucom_attach_args uca; 203 int i; 204 int j; 205 char comname[16]; 206 207 devinfop = usbd_devinfo_alloc(dev, 0); 208 USB_ATTACH_SETUP; 209 printf("%s: %s\n", devname, devinfop); 210 usbd_devinfo_free(devinfop); 211 212 sc->sc_ubsa.sc_udev = dev; 213 sc->sc_ubsa.sc_config_index = UBSA_DEFAULT_CONFIG_INDEX; 214 sc->sc_ubsa.sc_numif = 1; /* defaut device has one interface */ 215 216 /* Hauwei E220 need special request to change its mode to modem */ 217 if ((uaa->ifaceno == 0) && (uaa->class != 255)) { 218 err = e220_modechange_request(dev); 219 if (err) { 220 printf("%s: failed to change mode: %s\n", 221 devname, usbd_errstr(err)); 222 sc->sc_ubsa.sc_dying = 1; 223 goto error; 224 } 225 printf("%s: mass storage only mode, reattach to enable modem\n", 226 devname); 227 sc->sc_ubsa.sc_dying = 1; 228 goto error; 229 } 230 231 /* 232 * initialize rts, dtr variables to something 233 * different from boolean 0, 1 234 */ 235 sc->sc_ubsa.sc_dtr = -1; 236 sc->sc_ubsa.sc_rts = -1; 237 238 sc->sc_ubsa.sc_quadumts = 1; 239 sc->sc_ubsa.sc_config_index = 0; 240 sc->sc_ubsa.sc_numif = uhmodem_lookup(uaa->vendor, uaa->product)->uhmodem_coms; 241 sc->sc_ubsa.sc_devflags = uhmodem_lookup(uaa->vendor, uaa->product)->uhmodem_flags; 242 243 DPRINTF(("uhmodem attach: sc = %p\n", sc)); 244 245 /* Move the device into the configured state. */ 246 err = usbd_set_config_index(dev, sc->sc_ubsa.sc_config_index, 1); 247 if (err) { 248 printf("%s: failed to set configuration: %s\n", 249 devname, usbd_errstr(err)); 250 sc->sc_ubsa.sc_dying = 1; 251 goto error; 252 } 253 254 /* get the config descriptor */ 255 cdesc = usbd_get_config_descriptor(sc->sc_ubsa.sc_udev); 256 if (cdesc == NULL) { 257 printf("%s: failed to get configuration descriptor\n", 258 devname); 259 sc->sc_ubsa.sc_dying = 1; 260 goto error; 261 } 262 263 sc->sc_ubsa.sc_intr_number = -1; 264 sc->sc_ubsa.sc_intr_pipe = NULL; 265 266 /* get the interfaces */ 267 for (i = 0; i < sc->sc_ubsa.sc_numif; i++) { 268 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX_OFFSET+i, 269 &sc->sc_ubsa.sc_iface[i]); 270 if (err) { 271 if (i == 0){ 272 /* can not get main interface */ 273 sc->sc_ubsa.sc_dying = 1; 274 goto error; 275 } else 276 break; 277 } 278 279 /* Find the endpoints */ 280 id = usbd_get_interface_descriptor(sc->sc_ubsa.sc_iface[i]); 281 sc->sc_ubsa.sc_iface_number[i] = id->bInterfaceNumber; 282 283 /* initialize endpoints */ 284 uca.bulkin = uca.bulkout = -1; 285 286 for (j = 0; j < id->bNumEndpoints; j++) { 287 ed = usbd_interface2endpoint_descriptor( 288 sc->sc_ubsa.sc_iface[i], j); 289 if (ed == NULL) { 290 printf("%s: no endpoint descriptor for %d (interface: %d)\n", 291 devname, j, i); 292 break; 293 } 294 295 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 296 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 297 sc->sc_ubsa.sc_intr_number = ed->bEndpointAddress; 298 sc->sc_ubsa.sc_isize = UGETW(ed->wMaxPacketSize); 299 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 300 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 301 uca.bulkin = ed->bEndpointAddress; 302 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 303 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 304 uca.bulkout = ed->bEndpointAddress; 305 } 306 } /* end of Endpoint loop */ 307 308 if (sc->sc_ubsa.sc_intr_number == -1) { 309 printf("%s: HUAWEI E220 need to re-attach to enable modem function\n", devname); 310 if (i == 0) { 311 /* could not get intr for main tty */ 312 sc->sc_ubsa.sc_dying = 1; 313 goto error; 314 } else 315 break; 316 } 317 if (uca.bulkin == -1) { 318 printf("%s: Could not find data bulk in\n", devname); 319 sc->sc_ubsa.sc_dying = 1; 320 goto error; 321 } 322 323 if (uca.bulkout == -1) { 324 printf("%s: Could not find data bulk out\n", devname); 325 sc->sc_ubsa.sc_dying = 1; 326 goto error; 327 } 328 329 switch (i) { 330 case 0: 331 sprintf(comname, "modem"); 332 break; 333 case 1: 334 sprintf(comname, "alt#1"); 335 break; 336 case 2: 337 sprintf(comname, "alt#2"); 338 break; 339 default: 340 sprintf(comname, "int#%d", i); 341 } 342 343 uca.portno = i; 344 /* bulkin, bulkout set above */ 345 uca.ibufsize = UHMODEMIBUFSIZE; 346 uca.obufsize = UHMODEMOBUFSIZE; 347 uca.ibufsizepad = UHMODEMIBUFSIZE; 348 uca.opkthdrlen = 0; 349 uca.device = dev; 350 uca.iface = sc->sc_ubsa.sc_iface[i]; 351 uca.methods = &uhmodem_methods; 352 uca.arg = &sc->sc_ubsa; 353 uca.info = comname; 354 DPRINTF(("uhmodem: int#=%d, in = 0x%x, out = 0x%x, intr = 0x%x\n", 355 i, uca.bulkin, uca.bulkout, sc->sc_ubsa.sc_intr_number)); 356 sc->sc_ubsa.sc_subdevs[i] = config_found_sm_loc(self, "ucombus", NULL, 357 &uca, ucomprint, ucomsubmatch); 358 359 /* issue endpoint halt to each interface */ 360 err = uhmodem_endpointhalt(&sc->sc_ubsa, i); 361 if (err) 362 printf("%s: endpointhalt fail\n", __func__); 363 else 364 usbd_delay_ms(sc->sc_ubsa.sc_udev, 50); 365 } /* end of Interface loop */ 366 367 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_ubsa.sc_udev, 368 USBDEV(sc->sc_ubsa.sc_dev)); 369 370 USB_ATTACH_SUCCESS_RETURN; 371 372 error: 373 USB_ATTACH_ERROR_RETURN; 374 } 375 376 void 377 uhmodem_childdet(device_t self, device_t child) 378 { 379 int i; 380 struct uhmodem_softc *sc = device_private(self); 381 382 for (i = 0; i < sc->sc_ubsa.sc_numif; i++) { 383 if (sc->sc_ubsa.sc_subdevs[i] == child) 384 break; 385 } 386 KASSERT(i < sc->sc_ubsa.sc_numif); 387 sc->sc_ubsa.sc_subdevs[i] = NULL; 388 } 389 390 USB_DETACH(uhmodem) 391 { 392 USB_DETACH_START(uhmodem, sc); 393 int i; 394 int rv = 0; 395 396 DPRINTF(("uhmodem_detach: sc = %p\n", sc)); 397 398 if (sc->sc_ubsa.sc_intr_pipe != NULL) { 399 usbd_abort_pipe(sc->sc_ubsa.sc_intr_pipe); 400 usbd_close_pipe(sc->sc_ubsa.sc_intr_pipe); 401 free(sc->sc_ubsa.sc_intr_buf, M_USBDEV); 402 sc->sc_ubsa.sc_intr_pipe = NULL; 403 } 404 405 sc->sc_ubsa.sc_dying = 1; 406 for (i = 0; i < sc->sc_ubsa.sc_numif; i++) { 407 if (sc->sc_ubsa.sc_subdevs[i] != NULL) 408 rv |= config_detach(sc->sc_ubsa.sc_subdevs[i], flags); 409 } 410 411 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_ubsa.sc_udev, 412 USBDEV(sc->sc_ubsa.sc_dev)); 413 414 return (rv); 415 } 416 417 int 418 uhmodem_activate(device_t self, enum devact act) 419 { 420 struct uhmodem_softc *sc = device_private(self); 421 int rv = 0; 422 int i; 423 424 switch (act) { 425 case DVACT_ACTIVATE: 426 return (EOPNOTSUPP); 427 428 case DVACT_DEACTIVATE: 429 for (i = 0; i < sc->sc_ubsa.sc_numif; i++) { 430 if (sc->sc_ubsa.sc_subdevs[i] != NULL) 431 rv |= config_deactivate(sc->sc_ubsa.sc_subdevs[i]); 432 } 433 sc->sc_ubsa.sc_dying = 1; 434 break; 435 } 436 return (rv); 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 printf("%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 printf("%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 printf("%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 printf("%s: cannot open interrupt pipe (addr %d)\n", 487 USBDEVNAME(sc->sc_dev), 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
Indexes created Sat Sep 27 14:09:57 GMT 2025