u3g.c revision 231713
1/* 2 * Copyright (c) 2008 AnyWi Technologies 3 * Author: Andrea Guzzo <aguzzo@anywi.com> 4 * * based on uark.c 1.1 2006/08/14 08:30:22 jsg * 5 * * parts from ubsa.c 183348 2008-09-25 12:00:56Z phk * 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 USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 * 19 * $FreeBSD: head/sys/dev/usb/serial/u3g.c 231713 2012-02-14 21:36:55Z hselasky $ 20 */ 21 22/* 23 * NOTE: 24 * 25 * - The detour through the tty layer is ridiculously expensive wrt 26 * buffering due to the high speeds. 27 * 28 * We should consider adding a simple r/w device which allows 29 * attaching of PPP in a more efficient way. 30 * 31 */ 32 33 34#include <sys/stdint.h> 35#include <sys/stddef.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/mutex.h> 45#include <sys/condvar.h> 46#include <sys/sysctl.h> 47#include <sys/sx.h> 48#include <sys/unistd.h> 49#include <sys/callout.h> 50#include <sys/malloc.h> 51#include <sys/priv.h> 52 53#include <dev/usb/usb.h> 54#include <dev/usb/usbdi.h> 55#include <dev/usb/usbdi_util.h> 56#include "usbdevs.h" 57 58#define USB_DEBUG_VAR u3g_debug 59#include <dev/usb/usb_debug.h> 60#include <dev/usb/usb_process.h> 61#include <dev/usb/usb_msctest.h> 62 63#include <dev/usb/serial/usb_serial.h> 64#include <dev/usb/quirk/usb_quirk.h> 65 66#ifdef USB_DEBUG 67static int u3g_debug = 0; 68 69static SYSCTL_NODE(_hw_usb, OID_AUTO, u3g, CTLFLAG_RW, 0, "USB 3g"); 70SYSCTL_INT(_hw_usb_u3g, OID_AUTO, debug, CTLFLAG_RW, 71 &u3g_debug, 0, "Debug level"); 72#endif 73 74#define U3G_MAXPORTS 12 75#define U3G_CONFIG_INDEX 0 76#define U3G_BSIZE 2048 77 78#define U3GSP_GPRS 0 79#define U3GSP_EDGE 1 80#define U3GSP_CDMA 2 81#define U3GSP_UMTS 3 82#define U3GSP_HSDPA 4 83#define U3GSP_HSUPA 5 84#define U3GSP_HSPA 6 85#define U3GSP_MAX 7 86 87/* Eject methods; See also usb_quirks.h:UQ_MSC_EJECT_* */ 88#define U3GINIT_HUAWEI 1 /* Requires Huawei init command */ 89#define U3GINIT_SIERRA 2 /* Requires Sierra init command */ 90#define U3GINIT_SCSIEJECT 3 /* Requires SCSI eject command */ 91#define U3GINIT_REZERO 4 /* Requires SCSI rezero command */ 92#define U3GINIT_ZTESTOR 5 /* Requires ZTE SCSI command */ 93#define U3GINIT_CMOTECH 6 /* Requires CMOTECH SCSI command */ 94#define U3GINIT_WAIT 7 /* Device reappears after a delay */ 95#define U3GINIT_SAEL_M460 8 /* Requires vendor init */ 96#define U3GINIT_HUAWEISCSI 9 /* Requires Huawei SCSI init command */ 97#define U3GINIT_TCT 10 /* Requires TCT Mobile init command */ 98 99enum { 100 U3G_BULK_WR, 101 U3G_BULK_RD, 102 U3G_N_TRANSFER, 103}; 104 105struct u3g_softc { 106 struct ucom_super_softc sc_super_ucom; 107 struct ucom_softc sc_ucom[U3G_MAXPORTS]; 108 109 struct usb_xfer *sc_xfer[U3G_MAXPORTS][U3G_N_TRANSFER]; 110 struct usb_device *sc_udev; 111 struct mtx sc_mtx; 112 113 uint8_t sc_lsr; /* local status register */ 114 uint8_t sc_msr; /* U3G status register */ 115 uint8_t sc_numports; 116}; 117 118static device_probe_t u3g_probe; 119static device_attach_t u3g_attach; 120static device_detach_t u3g_detach; 121 122static usb_callback_t u3g_write_callback; 123static usb_callback_t u3g_read_callback; 124 125static void u3g_start_read(struct ucom_softc *ucom); 126static void u3g_stop_read(struct ucom_softc *ucom); 127static void u3g_start_write(struct ucom_softc *ucom); 128static void u3g_stop_write(struct ucom_softc *ucom); 129 130 131static void u3g_test_autoinst(void *, struct usb_device *, 132 struct usb_attach_arg *); 133static int u3g_driver_loaded(struct module *mod, int what, void *arg); 134 135static eventhandler_tag u3g_etag; 136 137static const struct usb_config u3g_config[U3G_N_TRANSFER] = { 138 139 [U3G_BULK_WR] = { 140 .type = UE_BULK, 141 .endpoint = UE_ADDR_ANY, 142 .direction = UE_DIR_OUT, 143 .bufsize = U3G_BSIZE,/* bytes */ 144 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 145 .callback = &u3g_write_callback, 146 }, 147 148 [U3G_BULK_RD] = { 149 .type = UE_BULK, 150 .endpoint = UE_ADDR_ANY, 151 .direction = UE_DIR_IN, 152 .bufsize = U3G_BSIZE,/* bytes */ 153 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 154 .callback = &u3g_read_callback, 155 }, 156}; 157 158static const struct ucom_callback u3g_callback = { 159 .ucom_start_read = &u3g_start_read, 160 .ucom_stop_read = &u3g_stop_read, 161 .ucom_start_write = &u3g_start_write, 162 .ucom_stop_write = &u3g_stop_write, 163}; 164 165static device_method_t u3g_methods[] = { 166 DEVMETHOD(device_probe, u3g_probe), 167 DEVMETHOD(device_attach, u3g_attach), 168 DEVMETHOD(device_detach, u3g_detach), 169 {0, 0} 170}; 171 172static devclass_t u3g_devclass; 173 174static driver_t u3g_driver = { 175 .name = "u3g", 176 .methods = u3g_methods, 177 .size = sizeof(struct u3g_softc), 178}; 179 180DRIVER_MODULE(u3g, uhub, u3g_driver, u3g_devclass, u3g_driver_loaded, 0); 181MODULE_DEPEND(u3g, ucom, 1, 1, 1); 182MODULE_DEPEND(u3g, usb, 1, 1, 1); 183MODULE_VERSION(u3g, 1); 184 185static const STRUCT_USB_HOST_ID u3g_devs[] = { 186#define U3G_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) } 187 U3G_DEV(ACERP, H10, 0), 188 U3G_DEV(AIRPLUS, MCD650, 0), 189 U3G_DEV(AIRPRIME, PC5220, 0), 190 U3G_DEV(ALINK, 3G, 0), 191 U3G_DEV(ALINK, 3GU, 0), 192 U3G_DEV(ALINK, DWM652U5, 0), 193 U3G_DEV(AMOI, H01, 0), 194 U3G_DEV(AMOI, H01A, 0), 195 U3G_DEV(AMOI, H02, 0), 196 U3G_DEV(ANYDATA, ADU_500A, 0), 197 U3G_DEV(ANYDATA, ADU_620UW, 0), 198 U3G_DEV(ANYDATA, ADU_E100X, 0), 199 U3G_DEV(AXESSTEL, DATAMODEM, 0), 200 U3G_DEV(CMOTECH, CDMA_MODEM1, 0), 201 U3G_DEV(CMOTECH, CGU628, U3GINIT_CMOTECH), 202 U3G_DEV(DELL, U5500, 0), 203 U3G_DEV(DELL, U5505, 0), 204 U3G_DEV(DELL, U5510, 0), 205 U3G_DEV(DELL, U5520, 0), 206 U3G_DEV(DELL, U5520_2, 0), 207 U3G_DEV(DELL, U5520_3, 0), 208 U3G_DEV(DELL, U5700, 0), 209 U3G_DEV(DELL, U5700_2, 0), 210 U3G_DEV(DELL, U5700_3, 0), 211 U3G_DEV(DELL, U5700_4, 0), 212 U3G_DEV(DELL, U5720, 0), 213 U3G_DEV(DELL, U5720_2, 0), 214 U3G_DEV(DELL, U5730, 0), 215 U3G_DEV(DELL, U5730_2, 0), 216 U3G_DEV(DELL, U5730_3, 0), 217 U3G_DEV(DELL, U740, 0), 218 U3G_DEV(DLINK3, DWM652, 0), 219 U3G_DEV(HP, EV2200, 0), 220 U3G_DEV(HP, HS2300, 0), 221 U3G_DEV(HUAWEI, E1401, U3GINIT_HUAWEI), 222 U3G_DEV(HUAWEI, E1402, U3GINIT_HUAWEI), 223 U3G_DEV(HUAWEI, E1403, U3GINIT_HUAWEI), 224 U3G_DEV(HUAWEI, E1404, U3GINIT_HUAWEI), 225 U3G_DEV(HUAWEI, E1405, U3GINIT_HUAWEI), 226 U3G_DEV(HUAWEI, E1406, U3GINIT_HUAWEI), 227 U3G_DEV(HUAWEI, E1407, U3GINIT_HUAWEI), 228 U3G_DEV(HUAWEI, E1408, U3GINIT_HUAWEI), 229 U3G_DEV(HUAWEI, E1409, U3GINIT_HUAWEI), 230 U3G_DEV(HUAWEI, E140A, U3GINIT_HUAWEI), 231 U3G_DEV(HUAWEI, E140B, U3GINIT_HUAWEI), 232 U3G_DEV(HUAWEI, E140D, U3GINIT_HUAWEI), 233 U3G_DEV(HUAWEI, E140E, U3GINIT_HUAWEI), 234 U3G_DEV(HUAWEI, E140F, U3GINIT_HUAWEI), 235 U3G_DEV(HUAWEI, E1410, U3GINIT_HUAWEI), 236 U3G_DEV(HUAWEI, E1411, U3GINIT_HUAWEI), 237 U3G_DEV(HUAWEI, E1412, U3GINIT_HUAWEI), 238 U3G_DEV(HUAWEI, E1413, U3GINIT_HUAWEI), 239 U3G_DEV(HUAWEI, E1414, U3GINIT_HUAWEI), 240 U3G_DEV(HUAWEI, E1415, U3GINIT_HUAWEI), 241 U3G_DEV(HUAWEI, E1416, U3GINIT_HUAWEI), 242 U3G_DEV(HUAWEI, E1417, U3GINIT_HUAWEI), 243 U3G_DEV(HUAWEI, E1418, U3GINIT_HUAWEI), 244 U3G_DEV(HUAWEI, E1419, U3GINIT_HUAWEI), 245 U3G_DEV(HUAWEI, E141A, U3GINIT_HUAWEI), 246 U3G_DEV(HUAWEI, E141B, U3GINIT_HUAWEI), 247 U3G_DEV(HUAWEI, E141C, U3GINIT_HUAWEI), 248 U3G_DEV(HUAWEI, E141D, U3GINIT_HUAWEI), 249 U3G_DEV(HUAWEI, E141E, U3GINIT_HUAWEI), 250 U3G_DEV(HUAWEI, E141F, U3GINIT_HUAWEI), 251 U3G_DEV(HUAWEI, E1420, U3GINIT_HUAWEI), 252 U3G_DEV(HUAWEI, E1421, U3GINIT_HUAWEI), 253 U3G_DEV(HUAWEI, E1422, U3GINIT_HUAWEI), 254 U3G_DEV(HUAWEI, E1423, U3GINIT_HUAWEI), 255 U3G_DEV(HUAWEI, E1424, U3GINIT_HUAWEI), 256 U3G_DEV(HUAWEI, E1425, U3GINIT_HUAWEI), 257 U3G_DEV(HUAWEI, E1426, U3GINIT_HUAWEI), 258 U3G_DEV(HUAWEI, E1427, U3GINIT_HUAWEI), 259 U3G_DEV(HUAWEI, E1428, U3GINIT_HUAWEI), 260 U3G_DEV(HUAWEI, E1429, U3GINIT_HUAWEI), 261 U3G_DEV(HUAWEI, E142A, U3GINIT_HUAWEI), 262 U3G_DEV(HUAWEI, E142B, U3GINIT_HUAWEI), 263 U3G_DEV(HUAWEI, E142C, U3GINIT_HUAWEI), 264 U3G_DEV(HUAWEI, E142D, U3GINIT_HUAWEI), 265 U3G_DEV(HUAWEI, E142E, U3GINIT_HUAWEI), 266 U3G_DEV(HUAWEI, E142F, U3GINIT_HUAWEI), 267 U3G_DEV(HUAWEI, E1430, U3GINIT_HUAWEI), 268 U3G_DEV(HUAWEI, E1431, U3GINIT_HUAWEI), 269 U3G_DEV(HUAWEI, E1432, U3GINIT_HUAWEI), 270 U3G_DEV(HUAWEI, E1433, U3GINIT_HUAWEI), 271 U3G_DEV(HUAWEI, E1434, U3GINIT_HUAWEI), 272 U3G_DEV(HUAWEI, E1435, U3GINIT_HUAWEI), 273 U3G_DEV(HUAWEI, E1436, U3GINIT_HUAWEI), 274 U3G_DEV(HUAWEI, E1437, U3GINIT_HUAWEI), 275 U3G_DEV(HUAWEI, E1438, U3GINIT_HUAWEI), 276 U3G_DEV(HUAWEI, E1439, U3GINIT_HUAWEI), 277 U3G_DEV(HUAWEI, E143A, U3GINIT_HUAWEI), 278 U3G_DEV(HUAWEI, E143B, U3GINIT_HUAWEI), 279 U3G_DEV(HUAWEI, E143C, U3GINIT_HUAWEI), 280 U3G_DEV(HUAWEI, E143D, U3GINIT_HUAWEI), 281 U3G_DEV(HUAWEI, E143E, U3GINIT_HUAWEI), 282 U3G_DEV(HUAWEI, E143F, U3GINIT_HUAWEI), 283 U3G_DEV(HUAWEI, E173, 0), 284 U3G_DEV(HUAWEI, E173_INIT, U3GINIT_HUAWEISCSI), 285 U3G_DEV(HUAWEI, E180V, U3GINIT_HUAWEI), 286 U3G_DEV(HUAWEI, E220, U3GINIT_HUAWEI), 287 U3G_DEV(HUAWEI, E220BIS, U3GINIT_HUAWEI), 288 U3G_DEV(HUAWEI, MOBILE, U3GINIT_HUAWEI), 289 U3G_DEV(HUAWEI, E1752, U3GINIT_HUAWEISCSI), 290 U3G_DEV(HUAWEI, E1820, U3GINIT_HUAWEISCSI), 291 U3G_DEV(HUAWEI, K3765, U3GINIT_HUAWEI), 292 U3G_DEV(HUAWEI, K3765_INIT, U3GINIT_HUAWEISCSI), 293 U3G_DEV(KYOCERA2, CDMA_MSM_K, 0), 294 U3G_DEV(KYOCERA2, KPC680, 0), 295 U3G_DEV(LONGCHEER, WM66, U3GINIT_HUAWEI), 296 U3G_DEV(LONGCHEER, DISK, U3GINIT_TCT), 297 U3G_DEV(LONGCHEER, W14, 0), 298 U3G_DEV(LONGCHEER, XSSTICK, 0), 299 U3G_DEV(MERLIN, V620, 0), 300 U3G_DEV(NEOTEL, PRIME, 0), 301 U3G_DEV(NOVATEL, E725, 0), 302 U3G_DEV(NOVATEL, ES620, 0), 303 U3G_DEV(NOVATEL, ES620_2, 0), 304 U3G_DEV(NOVATEL, EU730, 0), 305 U3G_DEV(NOVATEL, EU740, 0), 306 U3G_DEV(NOVATEL, EU870D, 0), 307 U3G_DEV(NOVATEL, MC760, 0), 308 U3G_DEV(NOVATEL, MC547, 0), 309 U3G_DEV(NOVATEL, MC950D, 0), 310 U3G_DEV(NOVATEL, U720, 0), 311 U3G_DEV(NOVATEL, U727, 0), 312 U3G_DEV(NOVATEL, U727_2, 0), 313 U3G_DEV(NOVATEL, U740, 0), 314 U3G_DEV(NOVATEL, U740_2, 0), 315 U3G_DEV(NOVATEL, U760, U3GINIT_SCSIEJECT), 316 U3G_DEV(NOVATEL, U870, 0), 317 U3G_DEV(NOVATEL, V620, 0), 318 U3G_DEV(NOVATEL, V640, 0), 319 U3G_DEV(NOVATEL, V720, 0), 320 U3G_DEV(NOVATEL, V740, 0), 321 U3G_DEV(NOVATEL, X950D, 0), 322 U3G_DEV(NOVATEL, XU870, 0), 323 U3G_DEV(OPTION, E6500, 0), 324 U3G_DEV(OPTION, E6501, 0), 325 U3G_DEV(OPTION, E6601, 0), 326 U3G_DEV(OPTION, E6721, 0), 327 U3G_DEV(OPTION, E6741, 0), 328 U3G_DEV(OPTION, E6761, 0), 329 U3G_DEV(OPTION, E6800, 0), 330 U3G_DEV(OPTION, E7021, 0), 331 U3G_DEV(OPTION, E7041, 0), 332 U3G_DEV(OPTION, E7061, 0), 333 U3G_DEV(OPTION, E7100, 0), 334 U3G_DEV(OPTION, GE40X, 0), 335 U3G_DEV(OPTION, GT3G, 0), 336 U3G_DEV(OPTION, GT3GPLUS, 0), 337 U3G_DEV(OPTION, GT3GQUAD, 0), 338 U3G_DEV(OPTION, GT3G_1, 0), 339 U3G_DEV(OPTION, GT3G_2, 0), 340 U3G_DEV(OPTION, GT3G_3, 0), 341 U3G_DEV(OPTION, GT3G_4, 0), 342 U3G_DEV(OPTION, GT3G_5, 0), 343 U3G_DEV(OPTION, GT3G_6, 0), 344 U3G_DEV(OPTION, GTHSDPA, 0), 345 U3G_DEV(OPTION, GTM380, 0), 346 U3G_DEV(OPTION, GTMAX36, 0), 347 U3G_DEV(OPTION, GTMAX380HSUPAE, 0), 348 U3G_DEV(OPTION, GTMAXHSUPA, 0), 349 U3G_DEV(OPTION, GTMAXHSUPAE, 0), 350 U3G_DEV(OPTION, VODAFONEMC3G, 0), 351 U3G_DEV(QISDA, H20_1, 0), 352 U3G_DEV(QISDA, H20_2, 0), 353 U3G_DEV(QISDA, H21_1, 0), 354 U3G_DEV(QISDA, H21_2, 0), 355 U3G_DEV(QUALCOMM2, AC8700, 0), 356 U3G_DEV(QUALCOMM2, MF330, 0), 357 U3G_DEV(QUALCOMM2, VW110L, U3GINIT_SCSIEJECT), 358 U3G_DEV(QUALCOMMINC, AC2726, 0), 359 U3G_DEV(QUALCOMMINC, AC8700, 0), 360 U3G_DEV(QUALCOMMINC, AC8710, 0), 361 U3G_DEV(QUALCOMMINC, CDMA_MSM, U3GINIT_SCSIEJECT), 362 U3G_DEV(QUALCOMMINC, E0002, 0), 363 U3G_DEV(QUALCOMMINC, E0003, 0), 364 U3G_DEV(QUALCOMMINC, E0004, 0), 365 U3G_DEV(QUALCOMMINC, E0005, 0), 366 U3G_DEV(QUALCOMMINC, E0006, 0), 367 U3G_DEV(QUALCOMMINC, E0007, 0), 368 U3G_DEV(QUALCOMMINC, E0008, 0), 369 U3G_DEV(QUALCOMMINC, E0009, 0), 370 U3G_DEV(QUALCOMMINC, E000A, 0), 371 U3G_DEV(QUALCOMMINC, E000B, 0), 372 U3G_DEV(QUALCOMMINC, E000C, 0), 373 U3G_DEV(QUALCOMMINC, E000D, 0), 374 U3G_DEV(QUALCOMMINC, E000E, 0), 375 U3G_DEV(QUALCOMMINC, E000F, 0), 376 U3G_DEV(QUALCOMMINC, E0010, 0), 377 U3G_DEV(QUALCOMMINC, E0011, 0), 378 U3G_DEV(QUALCOMMINC, E0012, 0), 379 U3G_DEV(QUALCOMMINC, E0013, 0), 380 U3G_DEV(QUALCOMMINC, E0014, 0), 381 U3G_DEV(QUALCOMMINC, E0017, 0), 382 U3G_DEV(QUALCOMMINC, E0018, 0), 383 U3G_DEV(QUALCOMMINC, E0019, 0), 384 U3G_DEV(QUALCOMMINC, E0020, 0), 385 U3G_DEV(QUALCOMMINC, E0021, 0), 386 U3G_DEV(QUALCOMMINC, E0022, 0), 387 U3G_DEV(QUALCOMMINC, E0023, 0), 388 U3G_DEV(QUALCOMMINC, E0024, 0), 389 U3G_DEV(QUALCOMMINC, E0025, 0), 390 U3G_DEV(QUALCOMMINC, E0026, 0), 391 U3G_DEV(QUALCOMMINC, E0027, 0), 392 U3G_DEV(QUALCOMMINC, E0028, 0), 393 U3G_DEV(QUALCOMMINC, E0029, 0), 394 U3G_DEV(QUALCOMMINC, E0030, 0), 395 U3G_DEV(QUALCOMMINC, E0032, 0), 396 U3G_DEV(QUALCOMMINC, E0033, 0), 397 U3G_DEV(QUALCOMMINC, E0037, 0), 398 U3G_DEV(QUALCOMMINC, E0039, 0), 399 U3G_DEV(QUALCOMMINC, E0042, 0), 400 U3G_DEV(QUALCOMMINC, E0043, 0), 401 U3G_DEV(QUALCOMMINC, E0048, 0), 402 U3G_DEV(QUALCOMMINC, E0049, 0), 403 U3G_DEV(QUALCOMMINC, E0051, 0), 404 U3G_DEV(QUALCOMMINC, E0052, 0), 405 U3G_DEV(QUALCOMMINC, E0054, 0), 406 U3G_DEV(QUALCOMMINC, E0055, 0), 407 U3G_DEV(QUALCOMMINC, E0057, 0), 408 U3G_DEV(QUALCOMMINC, E0058, 0), 409 U3G_DEV(QUALCOMMINC, E0059, 0), 410 U3G_DEV(QUALCOMMINC, E0060, 0), 411 U3G_DEV(QUALCOMMINC, E0061, 0), 412 U3G_DEV(QUALCOMMINC, E0062, 0), 413 U3G_DEV(QUALCOMMINC, E0063, 0), 414 U3G_DEV(QUALCOMMINC, E0064, 0), 415 U3G_DEV(QUALCOMMINC, E0066, 0), 416 U3G_DEV(QUALCOMMINC, E0069, 0), 417 U3G_DEV(QUALCOMMINC, E0070, 0), 418 U3G_DEV(QUALCOMMINC, E0073, 0), 419 U3G_DEV(QUALCOMMINC, E0076, 0), 420 U3G_DEV(QUALCOMMINC, E0078, 0), 421 U3G_DEV(QUALCOMMINC, E0082, 0), 422 U3G_DEV(QUALCOMMINC, E0086, 0), 423 U3G_DEV(QUALCOMMINC, SURFSTICK, 0), 424 U3G_DEV(QUALCOMMINC, E2002, 0), 425 U3G_DEV(QUALCOMMINC, E2003, 0), 426 U3G_DEV(QUALCOMMINC, MF626, 0), 427 U3G_DEV(QUALCOMMINC, MF628, 0), 428 U3G_DEV(QUALCOMMINC, MF633R, 0), 429 U3G_DEV(QUANTA, GKE, 0), 430 U3G_DEV(QUANTA, GLE, 0), 431 U3G_DEV(QUANTA, GLX, 0), 432 U3G_DEV(QUANTA, Q101, 0), 433 U3G_DEV(QUANTA, Q111, 0), 434 U3G_DEV(SIERRA, AC402, 0), 435 U3G_DEV(SIERRA, AC595U, 0), 436 U3G_DEV(SIERRA, AC313U, 0), 437 U3G_DEV(SIERRA, AC597E, 0), 438 U3G_DEV(SIERRA, AC875E, 0), 439 U3G_DEV(SIERRA, AC875U, 0), 440 U3G_DEV(SIERRA, AC875U_2, 0), 441 U3G_DEV(SIERRA, AC880, 0), 442 U3G_DEV(SIERRA, AC880E, 0), 443 U3G_DEV(SIERRA, AC880U, 0), 444 U3G_DEV(SIERRA, AC881, 0), 445 U3G_DEV(SIERRA, AC881E, 0), 446 U3G_DEV(SIERRA, AC881U, 0), 447 U3G_DEV(SIERRA, AC885E, 0), 448 U3G_DEV(SIERRA, AC885E_2, 0), 449 U3G_DEV(SIERRA, AC885U, 0), 450 U3G_DEV(SIERRA, AIRCARD580, 0), 451 U3G_DEV(SIERRA, AIRCARD595, 0), 452 U3G_DEV(SIERRA, AIRCARD875, 0), 453 U3G_DEV(SIERRA, C22, 0), 454 U3G_DEV(SIERRA, C597, 0), 455 U3G_DEV(SIERRA, C888, 0), 456 U3G_DEV(SIERRA, E0029, 0), 457 U3G_DEV(SIERRA, E6892, 0), 458 U3G_DEV(SIERRA, E6893, 0), 459 U3G_DEV(SIERRA, EM5625, 0), 460 U3G_DEV(SIERRA, EM5725, 0), 461 U3G_DEV(SIERRA, MC5720, 0), 462 U3G_DEV(SIERRA, MC5720_2, 0), 463 U3G_DEV(SIERRA, MC5725, 0), 464 U3G_DEV(SIERRA, MC5727, 0), 465 U3G_DEV(SIERRA, MC5727_2, 0), 466 U3G_DEV(SIERRA, MC5728, 0), 467 U3G_DEV(SIERRA, MC8700, 0), 468 U3G_DEV(SIERRA, MC8755, 0), 469 U3G_DEV(SIERRA, MC8755_2, 0), 470 U3G_DEV(SIERRA, MC8755_3, 0), 471 U3G_DEV(SIERRA, MC8755_4, 0), 472 U3G_DEV(SIERRA, MC8765, 0), 473 U3G_DEV(SIERRA, MC8765_2, 0), 474 U3G_DEV(SIERRA, MC8765_3, 0), 475 U3G_DEV(SIERRA, MC8775, 0), 476 U3G_DEV(SIERRA, MC8775_2, 0), 477 U3G_DEV(SIERRA, MC8780, 0), 478 U3G_DEV(SIERRA, MC8780_2, 0), 479 U3G_DEV(SIERRA, MC8780_3, 0), 480 U3G_DEV(SIERRA, MC8781, 0), 481 U3G_DEV(SIERRA, MC8781_2, 0), 482 U3G_DEV(SIERRA, MC8781_3, 0), 483 U3G_DEV(SIERRA, MC8785, 0), 484 U3G_DEV(SIERRA, MC8785_2, 0), 485 U3G_DEV(SIERRA, MC8790, 0), 486 U3G_DEV(SIERRA, MC8791, 0), 487 U3G_DEV(SIERRA, MC8792, 0), 488 U3G_DEV(SIERRA, MINI5725, 0), 489 U3G_DEV(SIERRA, T11, 0), 490 U3G_DEV(SIERRA, T598, 0), 491 U3G_DEV(SILABS, SAEL, U3GINIT_SAEL_M460), 492 U3G_DEV(STELERA, C105, 0), 493 U3G_DEV(STELERA, E1003, 0), 494 U3G_DEV(STELERA, E1004, 0), 495 U3G_DEV(STELERA, E1005, 0), 496 U3G_DEV(STELERA, E1006, 0), 497 U3G_DEV(STELERA, E1007, 0), 498 U3G_DEV(STELERA, E1008, 0), 499 U3G_DEV(STELERA, E1009, 0), 500 U3G_DEV(STELERA, E100A, 0), 501 U3G_DEV(STELERA, E100B, 0), 502 U3G_DEV(STELERA, E100C, 0), 503 U3G_DEV(STELERA, E100D, 0), 504 U3G_DEV(STELERA, E100E, 0), 505 U3G_DEV(STELERA, E100F, 0), 506 U3G_DEV(STELERA, E1010, 0), 507 U3G_DEV(STELERA, E1011, 0), 508 U3G_DEV(STELERA, E1012, 0), 509 U3G_DEV(TCTMOBILE, X060S, 0), 510 U3G_DEV(TCTMOBILE, X080S, U3GINIT_TCT), 511 U3G_DEV(TELIT, UC864E, 0), 512 U3G_DEV(TELIT, UC864G, 0), 513 U3G_DEV(TLAYTECH, TEU800, 0), 514 U3G_DEV(TOSHIBA, G450, 0), 515 U3G_DEV(TOSHIBA, HSDPA, 0), 516 U3G_DEV(YISO, C893, 0), 517 /* Autoinstallers */ 518 U3G_DEV(NOVATEL, ZEROCD, U3GINIT_SCSIEJECT), 519 U3G_DEV(OPTION, GTICON322, U3GINIT_REZERO), 520 U3G_DEV(QUALCOMMINC, ZTE_STOR, U3GINIT_ZTESTOR), 521 U3G_DEV(QUALCOMMINC, ZTE_STOR2, U3GINIT_SCSIEJECT), 522 U3G_DEV(QUANTA, Q101_STOR, U3GINIT_SCSIEJECT), 523 U3G_DEV(SIERRA, TRUINSTALL, U3GINIT_SIERRA), 524#undef U3G_DEV 525}; 526 527static int 528u3g_sierra_init(struct usb_device *udev) 529{ 530 struct usb_device_request req; 531 532 req.bmRequestType = UT_VENDOR; 533 req.bRequest = UR_SET_INTERFACE; 534 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 535 USETW(req.wIndex, UHF_PORT_CONNECTION); 536 USETW(req.wLength, 0); 537 538 if (usbd_do_request_flags(udev, NULL, &req, 539 NULL, 0, NULL, USB_MS_HZ)) { 540 /* ignore any errors */ 541 } 542 return (0); 543} 544 545static int 546u3g_huawei_init(struct usb_device *udev) 547{ 548 struct usb_device_request req; 549 550 req.bmRequestType = UT_WRITE_DEVICE; 551 req.bRequest = UR_SET_FEATURE; 552 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 553 USETW(req.wIndex, UHF_PORT_SUSPEND); 554 USETW(req.wLength, 0); 555 556 if (usbd_do_request_flags(udev, NULL, &req, 557 NULL, 0, NULL, USB_MS_HZ)) { 558 /* ignore any errors */ 559 } 560 return (0); 561} 562 563static void 564u3g_sael_m460_init(struct usb_device *udev) 565{ 566 static const uint8_t setup[][24] = { 567 { 0x41, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, 568 { 0x41, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 }, 569 { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 570 0x01, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 571 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, 572 { 0xc1, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x40, 0x02 }, 573 { 0xc1, 0x08, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00 }, 574 { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, 575 { 0xc1, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }, 576 { 0x41, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 }, 577 { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, 578 { 0x41, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 }, 579 { 0x41, 0x19, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 580 0x00, 0x00, 0x00, 0x00, 0x11, 0x13 }, 581 { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 582 0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 583 0x0a, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00 }, 584 { 0x41, 0x12, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00 }, 585 { 0x41, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 }, 586 { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, 587 { 0x41, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 }, 588 { 0x41, 0x19, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 589 0x00, 0x00, 0x00, 0x00, 0x11, 0x13 }, 590 { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 591 0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 592 0x0a, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00 }, 593 { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, 594 }; 595 596 struct usb_device_request req; 597 usb_error_t err; 598 uint16_t len; 599 uint8_t buf[0x300]; 600 uint8_t n; 601 602 DPRINTFN(1, "\n"); 603 604 if (usbd_req_set_alt_interface_no(udev, NULL, 0, 0)) { 605 DPRINTFN(0, "Alt setting 0 failed\n"); 606 return; 607 } 608 609 for (n = 0; n != (sizeof(setup)/sizeof(setup[0])); n++) { 610 611 memcpy(&req, setup[n], sizeof(req)); 612 613 len = UGETW(req.wLength); 614 if (req.bmRequestType & UE_DIR_IN) { 615 if (len > sizeof(buf)) { 616 DPRINTFN(0, "too small buffer\n"); 617 continue; 618 } 619 err = usbd_do_request(udev, NULL, &req, buf); 620 } else { 621 if (len > (sizeof(setup[0]) - 8)) { 622 DPRINTFN(0, "too small buffer\n"); 623 continue; 624 } 625 err = usbd_do_request(udev, NULL, &req, 626 __DECONST(uint8_t *, &setup[n][8])); 627 } 628 if (err) { 629 DPRINTFN(1, "request %u failed\n", 630 (unsigned int)n); 631 /* 632 * Some of the requests will fail. Stop doing 633 * requests when we are getting timeouts so 634 * that we don't block the explore/attach 635 * thread forever. 636 */ 637 if (err == USB_ERR_TIMEOUT) 638 break; 639 } 640 } 641} 642 643/* 644 * The following function handles 3G modem devices (E220, Mobile, 645 * etc.) with auto-install flash disks for Windows/MacOSX on the first 646 * interface. After some command or some delay they change appearance 647 * to a modem. 648 */ 649static void 650u3g_test_autoinst(void *arg, struct usb_device *udev, 651 struct usb_attach_arg *uaa) 652{ 653 struct usb_interface *iface; 654 struct usb_interface_descriptor *id; 655 int error; 656 unsigned long method; 657 658 if (uaa->dev_state != UAA_DEV_READY) 659 return; 660 661 iface = usbd_get_iface(udev, 0); 662 if (iface == NULL) 663 return; 664 id = iface->idesc; 665 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 666 return; 667 668 if (usb_test_quirk(uaa, UQ_MSC_EJECT_HUAWEI)) 669 method = U3GINIT_HUAWEI; 670 else if (usb_test_quirk(uaa, UQ_MSC_EJECT_SIERRA)) 671 method = U3GINIT_SIERRA; 672 else if (usb_test_quirk(uaa, UQ_MSC_EJECT_SCSIEJECT)) 673 method = U3GINIT_SCSIEJECT; 674 else if (usb_test_quirk(uaa, UQ_MSC_EJECT_REZERO)) 675 method = U3GINIT_REZERO; 676 else if (usb_test_quirk(uaa, UQ_MSC_EJECT_ZTESTOR)) 677 method = U3GINIT_ZTESTOR; 678 else if (usb_test_quirk(uaa, UQ_MSC_EJECT_CMOTECH)) 679 method = U3GINIT_CMOTECH; 680 else if (usb_test_quirk(uaa, UQ_MSC_EJECT_WAIT)) 681 method = U3GINIT_WAIT; 682 else if (usb_test_quirk(uaa, UQ_MSC_EJECT_HUAWEISCSI)) 683 method = U3GINIT_HUAWEISCSI; 684 else if (usb_test_quirk(uaa, UQ_MSC_EJECT_TCT)) 685 method = U3GINIT_TCT; 686 else if (usbd_lookup_id_by_uaa(u3g_devs, sizeof(u3g_devs), uaa) == 0) 687 method = USB_GET_DRIVER_INFO(uaa); 688 else 689 return; /* no device match */ 690 691 if (bootverbose) { 692 printf("Ejecting %s %s using method %ld\n", 693 usb_get_manufacturer(udev), 694 usb_get_product(udev), method); 695 } 696 697 switch (method) { 698 case U3GINIT_HUAWEI: 699 error = u3g_huawei_init(udev); 700 break; 701 case U3GINIT_HUAWEISCSI: 702 error = usb_msc_eject(udev, 0, MSC_EJECT_HUAWEI); 703 break; 704 case U3GINIT_SCSIEJECT: 705 error = usb_msc_eject(udev, 0, MSC_EJECT_STOPUNIT); 706 break; 707 case U3GINIT_REZERO: 708 error = usb_msc_eject(udev, 0, MSC_EJECT_REZERO); 709 break; 710 case U3GINIT_ZTESTOR: 711 error = usb_msc_eject(udev, 0, MSC_EJECT_STOPUNIT); 712 error |= usb_msc_eject(udev, 0, MSC_EJECT_ZTESTOR); 713 break; 714 case U3GINIT_CMOTECH: 715 error = usb_msc_eject(udev, 0, MSC_EJECT_CMOTECH); 716 break; 717 case U3GINIT_TCT: 718 error = usb_msc_eject(udev, 0, MSC_EJECT_TCT); 719 break; 720 case U3GINIT_SIERRA: 721 error = u3g_sierra_init(udev); 722 break; 723 case U3GINIT_WAIT: 724 /* Just pretend we ejected, the card will timeout */ 725 error = 0; 726 break; 727 default: 728 /* no 3G eject quirks */ 729 error = EOPNOTSUPP; 730 break; 731 } 732 if (error == 0) { 733 /* success, mark the udev as disappearing */ 734 uaa->dev_state = UAA_DEV_EJECTING; 735 } 736} 737 738static int 739u3g_driver_loaded(struct module *mod, int what, void *arg) 740{ 741 switch (what) { 742 case MOD_LOAD: 743 /* register our autoinstall handler */ 744 u3g_etag = EVENTHANDLER_REGISTER(usb_dev_configured, 745 u3g_test_autoinst, NULL, EVENTHANDLER_PRI_ANY); 746 break; 747 case MOD_UNLOAD: 748 EVENTHANDLER_DEREGISTER(usb_dev_configured, u3g_etag); 749 break; 750 default: 751 return (EOPNOTSUPP); 752 } 753 return (0); 754} 755 756static int 757u3g_probe(device_t self) 758{ 759 struct usb_attach_arg *uaa = device_get_ivars(self); 760 761 if (uaa->usb_mode != USB_MODE_HOST) { 762 return (ENXIO); 763 } 764 if (uaa->info.bConfigIndex != U3G_CONFIG_INDEX) { 765 return (ENXIO); 766 } 767 if (uaa->info.bInterfaceClass != UICLASS_VENDOR) { 768 return (ENXIO); 769 } 770 return (usbd_lookup_id_by_uaa(u3g_devs, sizeof(u3g_devs), uaa)); 771} 772 773static int 774u3g_attach(device_t dev) 775{ 776 struct usb_config u3g_config_tmp[U3G_N_TRANSFER]; 777 struct usb_attach_arg *uaa = device_get_ivars(dev); 778 struct u3g_softc *sc = device_get_softc(dev); 779 struct usb_interface *iface; 780 struct usb_interface_descriptor *id; 781 uint32_t iface_valid; 782 int error, type, nports; 783 int ep, n; 784 uint8_t i; 785 786 DPRINTF("sc=%p\n", sc); 787 788 type = USB_GET_DRIVER_INFO(uaa); 789 if (type == U3GINIT_SAEL_M460 790 || usb_test_quirk(uaa, UQ_MSC_EJECT_SAEL_M460)) { 791 u3g_sael_m460_init(uaa->device); 792 } 793 794 /* copy in USB config */ 795 for (n = 0; n != U3G_N_TRANSFER; n++) 796 u3g_config_tmp[n] = u3g_config[n]; 797 798 device_set_usb_desc(dev); 799 mtx_init(&sc->sc_mtx, "u3g", NULL, MTX_DEF); 800 801 sc->sc_udev = uaa->device; 802 803 /* Claim all interfaces on the device */ 804 iface_valid = 0; 805 for (i = uaa->info.bIfaceIndex; i < USB_IFACE_MAX; i++) { 806 iface = usbd_get_iface(uaa->device, i); 807 if (iface == NULL) 808 break; 809 id = usbd_get_interface_descriptor(iface); 810 if (id == NULL || id->bInterfaceClass != UICLASS_VENDOR) 811 continue; 812 usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex); 813 iface_valid |= (1<<i); 814 } 815 816 i = 0; /* interface index */ 817 ep = 0; /* endpoint index */ 818 nports = 0; /* number of ports */ 819 while (i < USB_IFACE_MAX) { 820 if ((iface_valid & (1<<i)) == 0) { 821 i++; 822 continue; 823 } 824 825 /* update BULK endpoint index */ 826 for (n = 0; n < U3G_N_TRANSFER; n++) 827 u3g_config_tmp[n].ep_index = ep; 828 829 /* try to allocate a set of BULK endpoints */ 830 error = usbd_transfer_setup(uaa->device, &i, 831 sc->sc_xfer[nports], u3g_config_tmp, U3G_N_TRANSFER, 832 &sc->sc_ucom[nports], &sc->sc_mtx); 833 if (error) { 834 /* next interface */ 835 i++; 836 ep = 0; 837 continue; 838 } 839 840 /* set stall by default */ 841 mtx_lock(&sc->sc_mtx); 842 usbd_xfer_set_stall(sc->sc_xfer[nports][U3G_BULK_WR]); 843 usbd_xfer_set_stall(sc->sc_xfer[nports][U3G_BULK_RD]); 844 mtx_unlock(&sc->sc_mtx); 845 846 nports++; /* found one port */ 847 ep++; 848 if (nports == U3G_MAXPORTS) 849 break; 850 } 851 if (nports == 0) { 852 device_printf(dev, "no ports found\n"); 853 goto detach; 854 } 855 sc->sc_numports = nports; 856 857 error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 858 sc->sc_numports, sc, &u3g_callback, &sc->sc_mtx); 859 if (error) { 860 DPRINTF("ucom_attach failed\n"); 861 goto detach; 862 } 863 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 864 device_printf(dev, "Found %u port%s.\n", sc->sc_numports, 865 sc->sc_numports > 1 ? "s":""); 866 867 return (0); 868 869detach: 870 u3g_detach(dev); 871 return (ENXIO); 872} 873 874static int 875u3g_detach(device_t dev) 876{ 877 struct u3g_softc *sc = device_get_softc(dev); 878 uint8_t subunit; 879 880 DPRINTF("sc=%p\n", sc); 881 882 /* NOTE: It is not dangerous to detach more ports than attached! */ 883 ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); 884 885 for (subunit = 0; subunit != U3G_MAXPORTS; subunit++) 886 usbd_transfer_unsetup(sc->sc_xfer[subunit], U3G_N_TRANSFER); 887 mtx_destroy(&sc->sc_mtx); 888 889 return (0); 890} 891 892static void 893u3g_start_read(struct ucom_softc *ucom) 894{ 895 struct u3g_softc *sc = ucom->sc_parent; 896 897 /* start read endpoint */ 898 usbd_transfer_start(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_RD]); 899 return; 900} 901 902static void 903u3g_stop_read(struct ucom_softc *ucom) 904{ 905 struct u3g_softc *sc = ucom->sc_parent; 906 907 /* stop read endpoint */ 908 usbd_transfer_stop(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_RD]); 909 return; 910} 911 912static void 913u3g_start_write(struct ucom_softc *ucom) 914{ 915 struct u3g_softc *sc = ucom->sc_parent; 916 917 usbd_transfer_start(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_WR]); 918 return; 919} 920 921static void 922u3g_stop_write(struct ucom_softc *ucom) 923{ 924 struct u3g_softc *sc = ucom->sc_parent; 925 926 usbd_transfer_stop(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_WR]); 927 return; 928} 929 930static void 931u3g_write_callback(struct usb_xfer *xfer, usb_error_t error) 932{ 933 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 934 struct usb_page_cache *pc; 935 uint32_t actlen; 936 937 switch (USB_GET_STATE(xfer)) { 938 case USB_ST_TRANSFERRED: 939 case USB_ST_SETUP: 940tr_setup: 941 pc = usbd_xfer_get_frame(xfer, 0); 942 if (ucom_get_data(ucom, pc, 0, U3G_BSIZE, &actlen)) { 943 usbd_xfer_set_frame_len(xfer, 0, actlen); 944 usbd_transfer_submit(xfer); 945 } 946 break; 947 948 default: /* Error */ 949 if (error != USB_ERR_CANCELLED) { 950 /* do a builtin clear-stall */ 951 usbd_xfer_set_stall(xfer); 952 goto tr_setup; 953 } 954 break; 955 } 956 return; 957} 958 959static void 960u3g_read_callback(struct usb_xfer *xfer, usb_error_t error) 961{ 962 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 963 struct usb_page_cache *pc; 964 int actlen; 965 966 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 967 968 switch (USB_GET_STATE(xfer)) { 969 case USB_ST_TRANSFERRED: 970 pc = usbd_xfer_get_frame(xfer, 0); 971 ucom_put_data(ucom, pc, 0, actlen); 972 973 case USB_ST_SETUP: 974tr_setup: 975 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 976 usbd_transfer_submit(xfer); 977 break; 978 979 default: /* Error */ 980 if (error != USB_ERR_CANCELLED) { 981 /* do a builtin clear-stall */ 982 usbd_xfer_set_stall(xfer); 983 goto tr_setup; 984 } 985 break; 986 } 987 return; 988} 989