u3g.c revision 190581
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 190581 2009-03-30 22:18:38Z mav $ 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#include "usbdevs.h" 34#include <dev/usb/usb.h> 35#include <dev/usb/usb_mfunc.h> 36#include <dev/usb/usb_error.h> 37 38#define USB_DEBUG_VAR u3g_debug 39 40#include <dev/usb/usb_core.h> 41#include <dev/usb/usb_debug.h> 42#include <dev/usb/usb_process.h> 43#include <dev/usb/usb_request.h> 44#include <dev/usb/usb_lookup.h> 45#include <dev/usb/usb_util.h> 46#include <dev/usb/usb_busdma.h> 47#include <dev/usb/usb_msctest.h> 48#include <dev/usb/usb_dynamic.h> 49#include <dev/usb/usb_device.h> 50 51#include <dev/usb/serial/usb_serial.h> 52 53#if USB_DEBUG 54static int u3g_debug = 0; 55 56SYSCTL_NODE(_hw_usb2, OID_AUTO, u3g, CTLFLAG_RW, 0, "USB 3g"); 57SYSCTL_INT(_hw_usb2_u3g, OID_AUTO, debug, CTLFLAG_RW, 58 &u3g_debug, 0, "Debug level"); 59#endif 60 61#define U3G_MAXPORTS 4 62#define U3G_CONFIG_INDEX 0 63#define U3G_BSIZE 2048 64 65#define U3GSP_GPRS 0 66#define U3GSP_EDGE 1 67#define U3GSP_CDMA 2 68#define U3GSP_UMTS 3 69#define U3GSP_HSDPA 4 70#define U3GSP_HSUPA 5 71#define U3GSP_HSPA 6 72#define U3GSP_MAX 7 73 74#define U3GFL_NONE 0x0000 /* No flags */ 75#define U3GFL_HUAWEI_INIT 0x0001 /* Init command required */ 76#define U3GFL_SCSI_EJECT 0x0002 /* SCSI eject command required */ 77#define U3GFL_SIERRA_INIT 0x0004 /* Init command required */ 78#define U3GFL_SAEL_M460_INIT 0x0008 /* Init device */ 79 80enum { 81 U3G_BULK_WR, 82 U3G_BULK_RD, 83 U3G_N_TRANSFER, 84}; 85 86struct u3g_softc { 87 struct usb2_com_super_softc sc_super_ucom; 88 struct usb2_com_softc sc_ucom[U3G_MAXPORTS]; 89 90 struct usb2_xfer *sc_xfer[U3G_MAXPORTS][U3G_N_TRANSFER]; 91 struct usb2_device *sc_udev; 92 struct mtx sc_mtx; 93 94 uint8_t sc_lsr; /* local status register */ 95 uint8_t sc_msr; /* U3G status register */ 96 uint8_t sc_numports; 97}; 98 99static device_probe_t u3g_probe; 100static device_attach_t u3g_attach; 101static device_detach_t u3g_detach; 102 103static usb2_callback_t u3g_write_callback; 104static usb2_callback_t u3g_read_callback; 105 106static void u3g_start_read(struct usb2_com_softc *ucom); 107static void u3g_stop_read(struct usb2_com_softc *ucom); 108static void u3g_start_write(struct usb2_com_softc *ucom); 109static void u3g_stop_write(struct usb2_com_softc *ucom); 110 111static int u3g_driver_loaded(struct module *mod, int what, void *arg); 112 113static const struct usb2_config u3g_config[U3G_N_TRANSFER] = { 114 115 [U3G_BULK_WR] = { 116 .type = UE_BULK, 117 .endpoint = UE_ADDR_ANY, 118 .direction = UE_DIR_OUT, 119 .mh.bufsize = U3G_BSIZE,/* bytes */ 120 .mh.flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 121 .mh.callback = &u3g_write_callback, 122 }, 123 124 [U3G_BULK_RD] = { 125 .type = UE_BULK, 126 .endpoint = UE_ADDR_ANY, 127 .direction = UE_DIR_IN, 128 .mh.bufsize = U3G_BSIZE,/* bytes */ 129 .mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 130 .mh.callback = &u3g_read_callback, 131 }, 132}; 133 134static const struct usb2_com_callback u3g_callback = { 135 .usb2_com_start_read = &u3g_start_read, 136 .usb2_com_stop_read = &u3g_stop_read, 137 .usb2_com_start_write = &u3g_start_write, 138 .usb2_com_stop_write = &u3g_stop_write, 139}; 140 141static device_method_t u3g_methods[] = { 142 DEVMETHOD(device_probe, u3g_probe), 143 DEVMETHOD(device_attach, u3g_attach), 144 DEVMETHOD(device_detach, u3g_detach), 145 {0, 0} 146}; 147 148static devclass_t u3g_devclass; 149 150static driver_t u3g_driver = { 151 .name = "u3g", 152 .methods = u3g_methods, 153 .size = sizeof(struct u3g_softc), 154}; 155 156DRIVER_MODULE(u3g, uhub, u3g_driver, u3g_devclass, u3g_driver_loaded, 0); 157MODULE_DEPEND(u3g, ucom, 1, 1, 1); 158MODULE_DEPEND(u3g, usb, 1, 1, 1); 159 160static const struct usb2_device_id u3g_devs[] = { 161 /* OEM: Option */ 162 {USB_VPI(USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3G, U3GFL_NONE)}, 163 {USB_VPI(USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GQUAD, U3GFL_NONE)}, 164 {USB_VPI(USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GPLUS, U3GFL_NONE)}, 165 {USB_VPI(USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GTMAX36, U3GFL_NONE)}, 166 {USB_VPI(USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GTMAXHSUPA, U3GFL_NONE)}, 167 {USB_VPI(USB_VENDOR_OPTION, USB_PRODUCT_OPTION_VODAFONEMC3G, U3GFL_NONE)}, 168 /* OEM: Qualcomm, Inc. */ 169 {USB_VPI(USB_VENDOR_QUALCOMMINC, USB_PRODUCT_QUALCOMMINC_ZTE_STOR, U3GFL_SCSI_EJECT)}, 170 {USB_VPI(USB_VENDOR_QUALCOMMINC, USB_PRODUCT_QUALCOMMINC_CDMA_MSM, U3GFL_SCSI_EJECT)}, 171 /* OEM: Huawei */ 172 {USB_VPI(USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_MOBILE, U3GFL_HUAWEI_INIT)}, 173 {USB_VPI(USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E220, U3GFL_HUAWEI_INIT)}, 174 /* OEM: Novatel */ 175 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_CDMA_MODEM, U3GFL_SCSI_EJECT)}, 176 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_ES620, U3GFL_SCSI_EJECT)}, 177 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MC950D, U3GFL_SCSI_EJECT)}, 178 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U720, U3GFL_SCSI_EJECT)}, 179 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U727, U3GFL_SCSI_EJECT)}, 180 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U740, U3GFL_SCSI_EJECT)}, 181 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U740_2, U3GFL_SCSI_EJECT)}, 182 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U870, U3GFL_SCSI_EJECT)}, 183 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_V620, U3GFL_SCSI_EJECT)}, 184 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_V640, U3GFL_SCSI_EJECT)}, 185 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_V720, U3GFL_SCSI_EJECT)}, 186 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_V740, U3GFL_SCSI_EJECT)}, 187 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_X950D, U3GFL_SCSI_EJECT)}, 188 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_XU870, U3GFL_SCSI_EJECT)}, 189 {USB_VPI(USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_ZEROCD, U3GFL_SCSI_EJECT)}, 190 {USB_VPI(USB_VENDOR_DELL, USB_PRODUCT_DELL_U740, U3GFL_SCSI_EJECT)}, 191 /* OEM: Merlin */ 192 {USB_VPI(USB_VENDOR_MERLIN, USB_PRODUCT_MERLIN_V620, U3GFL_NONE)}, 193 /* OEM: Sierra Wireless: */ 194 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD580, U3GFL_NONE)}, 195 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD595, U3GFL_NONE)}, 196 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC595U, U3GFL_NONE)}, 197 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC597E, U3GFL_NONE)}, 198 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_C597, U3GFL_NONE)}, 199 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC880, U3GFL_NONE)}, 200 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC880E, U3GFL_NONE)}, 201 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC880U, U3GFL_NONE)}, 202 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC881, U3GFL_NONE)}, 203 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC881E, U3GFL_NONE)}, 204 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC881U, U3GFL_NONE)}, 205 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_EM5625, U3GFL_NONE)}, 206 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5720, U3GFL_NONE)}, 207 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5720_2, U3GFL_NONE)}, 208 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5725, U3GFL_NONE)}, 209 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MINI5725, U3GFL_NONE)}, 210 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD875, U3GFL_NONE)}, 211 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8755, U3GFL_NONE)}, 212 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8755_2, U3GFL_NONE)}, 213 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8755_3, U3GFL_NONE)}, 214 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8765, U3GFL_NONE)}, 215 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC875U, U3GFL_NONE)}, 216 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8775_2, U3GFL_NONE)}, 217 {USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_HS2300, U3GFL_NONE)}, 218 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8780, U3GFL_NONE)}, 219 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8781, U3GFL_NONE)}, 220 {USB_VPI(USB_VENDOR_HP, USB_PRODUCT_HP_HS2300, U3GFL_NONE)}, 221 /* Sierra TruInstaller device ID */ 222 {USB_VPI(USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_TRUINSTALL, U3GFL_SIERRA_INIT)}, 223 /* PRUEBA SILABS */ 224 {USB_VPI(USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SAEL, U3GFL_SAEL_M460_INIT)}, 225}; 226 227static void 228u3g_sierra_init(struct usb2_device *udev) 229{ 230 struct usb2_device_request req; 231 232 DPRINTFN(0, "\n"); 233 234 req.bmRequestType = UT_VENDOR; 235 req.bRequest = UR_SET_INTERFACE; 236 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 237 USETW(req.wIndex, UHF_PORT_CONNECTION); 238 USETW(req.wLength, 0); 239 240 if (usb2_do_request_flags(udev, NULL, &req, 241 NULL, 0, NULL, USB_MS_HZ)) { 242 /* ignore any errors */ 243 } 244 return; 245} 246 247static void 248u3g_huawei_init(struct usb2_device *udev) 249{ 250 struct usb2_device_request req; 251 252 DPRINTFN(0, "\n"); 253 254 req.bmRequestType = UT_WRITE_DEVICE; 255 req.bRequest = UR_SET_FEATURE; 256 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 257 USETW(req.wIndex, UHF_PORT_SUSPEND); 258 USETW(req.wLength, 0); 259 260 if (usb2_do_request_flags(udev, NULL, &req, 261 NULL, 0, NULL, USB_MS_HZ)) { 262 /* ignore any errors */ 263 } 264 return; 265} 266 267static void 268u3g_sael_m460_init(struct usb2_device *udev) 269{ 270 static const uint8_t setup[][24] = { 271 { 0x41, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, 272 { 0x41, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 }, 273 { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 274 0x01, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 275 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, 276 { 0xc1, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x40, 0x02 }, 277 { 0xc1, 0x08, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00 }, 278 { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, 279 { 0xc1, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }, 280 { 0x41, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 }, 281 { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, 282 { 0x41, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 }, 283 { 0x41, 0x19, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 284 0x00, 0x00, 0x00, 0x00, 0x11, 0x13 }, 285 { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 286 0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 287 0x0a, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00 }, 288 { 0x41, 0x12, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00 }, 289 { 0x41, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 }, 290 { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, 291 { 0x41, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 }, 292 { 0x41, 0x19, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 293 0x00, 0x00, 0x00, 0x00, 0x11, 0x13 }, 294 { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 295 0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 296 0x0a, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00 }, 297 { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, 298 }; 299 300 struct usb2_device_request req; 301 usb2_error_t err; 302 uint16_t len; 303 uint8_t buf[0x300]; 304 uint8_t n; 305 306 DPRINTFN(1, "\n"); 307 308 if (usb2_req_set_alt_interface_no(udev, NULL, 0, 0)) { 309 DPRINTFN(0, "Alt setting 0 failed\n"); 310 return; 311 } 312 313 for (n = 0; n != (sizeof(setup)/sizeof(setup[0])); n++) { 314 315 memcpy(&req, setup[n], sizeof(req)); 316 317 len = UGETW(req.wLength); 318 if (req.bmRequestType & UE_DIR_IN) { 319 if (len > sizeof(buf)) { 320 DPRINTFN(0, "too small buffer\n"); 321 continue; 322 } 323 err = usb2_do_request(udev, NULL, &req, buf); 324 } else { 325 if (len > (sizeof(setup[0]) - 8)) { 326 DPRINTFN(0, "too small buffer\n"); 327 continue; 328 } 329 err = usb2_do_request(udev, NULL, &req, 330 __DECONST(uint8_t *, &setup[n][8])); 331 } 332 if (err) { 333 DPRINTFN(1, "request %u failed\n", 334 (unsigned int)n); 335 /* 336 * Some of the requests will fail. Stop doing 337 * requests when we are getting timeouts so 338 * that we don't block the explore/attach 339 * thread forever. 340 */ 341 if (err == USB_ERR_TIMEOUT) 342 break; 343 } 344 } 345} 346 347static int 348u3g_lookup_huawei(struct usb2_attach_arg *uaa) 349{ 350 /* Calling the lookup function will also set the driver info! */ 351 return (usb2_lookup_id_by_uaa(u3g_devs, sizeof(u3g_devs), uaa)); 352} 353 354/* 355 * The following function handles 3G modem devices (E220, Mobile, 356 * etc.) with auto-install flash disks for Windows/MacOSX on the first 357 * interface. After some command or some delay they change appearance 358 * to a modem. 359 */ 360static usb2_error_t 361u3g_test_huawei_autoinst(struct usb2_device *udev, 362 struct usb2_attach_arg *uaa) 363{ 364 struct usb2_interface *iface; 365 struct usb2_interface_descriptor *id; 366 uint32_t flags; 367 368 if (udev == NULL) { 369 return (USB_ERR_INVAL); 370 } 371 iface = usb2_get_iface(udev, 0); 372 if (iface == NULL) { 373 return (USB_ERR_INVAL); 374 } 375 id = iface->idesc; 376 if (id == NULL) { 377 return (USB_ERR_INVAL); 378 } 379 if (id->bInterfaceClass != UICLASS_MASS) { 380 return (USB_ERR_INVAL); 381 } 382 if (u3g_lookup_huawei(uaa)) { 383 /* no device match */ 384 return (USB_ERR_INVAL); 385 } 386 flags = USB_GET_DRIVER_INFO(uaa); 387 388 if (flags & U3GFL_HUAWEI_INIT) { 389 u3g_huawei_init(udev); 390 } else if (flags & U3GFL_SCSI_EJECT) { 391 return (usb2_test_autoinstall(udev, 0, 1)); 392 } else if (flags & U3GFL_SIERRA_INIT) { 393 u3g_sierra_init(udev); 394 } else { 395 /* no quirks */ 396 return (USB_ERR_INVAL); 397 } 398 return (0); /* success */ 399} 400 401static int 402u3g_driver_loaded(struct module *mod, int what, void *arg) 403{ 404 switch (what) { 405 case MOD_LOAD: 406 /* register our autoinstall handler */ 407 usb2_test_huawei_autoinst_p = &u3g_test_huawei_autoinst; 408 break; 409 case MOD_UNLOAD: 410 usb2_test_huawei_unload(NULL); 411 break; 412 default: 413 return (EOPNOTSUPP); 414 } 415 return (0); 416} 417 418static int 419u3g_probe(device_t self) 420{ 421 struct usb2_attach_arg *uaa = device_get_ivars(self); 422 423 if (uaa->usb2_mode != USB_MODE_HOST) { 424 return (ENXIO); 425 } 426 if (uaa->info.bConfigIndex != U3G_CONFIG_INDEX) { 427 return (ENXIO); 428 } 429 if (uaa->info.bInterfaceClass != UICLASS_VENDOR) { 430 return (ENXIO); 431 } 432 return (u3g_lookup_huawei(uaa)); 433} 434 435static int 436u3g_attach(device_t dev) 437{ 438 struct usb2_config u3g_config_tmp[U3G_N_TRANSFER]; 439 struct usb2_attach_arg *uaa = device_get_ivars(dev); 440 struct u3g_softc *sc = device_get_softc(dev); 441 struct usb2_interface *iface; 442 struct usb2_interface_descriptor *id; 443 uint32_t flags; 444 uint8_t m; 445 uint8_t n; 446 uint8_t i; 447 uint8_t x; 448 int error; 449 450 DPRINTF("sc=%p\n", sc); 451 452 flags = USB_GET_DRIVER_INFO(uaa); 453 454 if (flags & U3GFL_SAEL_M460_INIT) 455 u3g_sael_m460_init(uaa->device); 456 457 /* copy in USB config */ 458 for (n = 0; n != U3G_N_TRANSFER; n++) 459 u3g_config_tmp[n] = u3g_config[n]; 460 461 device_set_usb2_desc(dev); 462 mtx_init(&sc->sc_mtx, "u3g", NULL, MTX_DEF); 463 464 sc->sc_udev = uaa->device; 465 466 x = 0; /* interface index */ 467 i = 0; /* endpoint index */ 468 m = 0; /* number of ports */ 469 470 while (m != U3G_MAXPORTS) { 471 472 /* update BULK endpoint index */ 473 for (n = 0; n != U3G_N_TRANSFER; n++) 474 u3g_config_tmp[n].ep_index = i; 475 476 iface = usb2_get_iface(uaa->device, x); 477 if (iface == NULL) { 478 if (m != 0) 479 break; /* end of interfaces */ 480 DPRINTF("did not find any modem endpoints\n"); 481 goto detach; 482 } 483 484 id = usb2_get_interface_descriptor(iface); 485 if ((id == NULL) || 486 (id->bInterfaceClass != UICLASS_VENDOR)) { 487 /* next interface */ 488 x++; 489 i = 0; 490 continue; 491 } 492 493 /* try to allocate a set of BULK endpoints */ 494 error = usb2_transfer_setup(uaa->device, &x, 495 sc->sc_xfer[m], u3g_config_tmp, U3G_N_TRANSFER, 496 &sc->sc_ucom[m], &sc->sc_mtx); 497 if (error) { 498 /* next interface */ 499 x++; 500 i = 0; 501 continue; 502 } 503 504 /* grab other interface, if any */ 505 if (x != uaa->info.bIfaceIndex) 506 usb2_set_parent_iface(uaa->device, x, 507 uaa->info.bIfaceIndex); 508 509 /* set stall by default */ 510 mtx_lock(&sc->sc_mtx); 511 usb2_transfer_set_stall(sc->sc_xfer[m][U3G_BULK_WR]); 512 usb2_transfer_set_stall(sc->sc_xfer[m][U3G_BULK_RD]); 513 mtx_unlock(&sc->sc_mtx); 514 515 m++; /* found one port */ 516 i++; /* next endpoint index */ 517 } 518 519 sc->sc_numports = m; 520 521 error = usb2_com_attach(&sc->sc_super_ucom, sc->sc_ucom, 522 sc->sc_numports, sc, &u3g_callback, &sc->sc_mtx); 523 if (error) { 524 DPRINTF("usb2_com_attach failed\n"); 525 goto detach; 526 } 527 if (sc->sc_numports != 1) { 528 /* be verbose */ 529 device_printf(dev, "Found %u ports.\n", 530 (unsigned int)sc->sc_numports); 531 } 532 return (0); 533 534detach: 535 u3g_detach(dev); 536 return (ENXIO); 537} 538 539static int 540u3g_detach(device_t dev) 541{ 542 struct u3g_softc *sc = device_get_softc(dev); 543 uint8_t m; 544 545 DPRINTF("sc=%p\n", sc); 546 547 /* NOTE: It is not dangerous to detach more ports than attached! */ 548 usb2_com_detach(&sc->sc_super_ucom, sc->sc_ucom, U3G_MAXPORTS); 549 550 for (m = 0; m != U3G_MAXPORTS; m++) 551 usb2_transfer_unsetup(sc->sc_xfer[m], U3G_N_TRANSFER); 552 mtx_destroy(&sc->sc_mtx); 553 554 return (0); 555} 556 557static void 558u3g_start_read(struct usb2_com_softc *ucom) 559{ 560 struct u3g_softc *sc = ucom->sc_parent; 561 562 /* start read endpoint */ 563 usb2_transfer_start(sc->sc_xfer[ucom->sc_local_unit][U3G_BULK_RD]); 564 return; 565} 566 567static void 568u3g_stop_read(struct usb2_com_softc *ucom) 569{ 570 struct u3g_softc *sc = ucom->sc_parent; 571 572 /* stop read endpoint */ 573 usb2_transfer_stop(sc->sc_xfer[ucom->sc_local_unit][U3G_BULK_RD]); 574 return; 575} 576 577static void 578u3g_start_write(struct usb2_com_softc *ucom) 579{ 580 struct u3g_softc *sc = ucom->sc_parent; 581 582 usb2_transfer_start(sc->sc_xfer[ucom->sc_local_unit][U3G_BULK_WR]); 583 return; 584} 585 586static void 587u3g_stop_write(struct usb2_com_softc *ucom) 588{ 589 struct u3g_softc *sc = ucom->sc_parent; 590 591 usb2_transfer_stop(sc->sc_xfer[ucom->sc_local_unit][U3G_BULK_WR]); 592 return; 593} 594 595static void 596u3g_write_callback(struct usb2_xfer *xfer) 597{ 598 struct usb2_com_softc *ucom = xfer->priv_sc; 599 uint32_t actlen; 600 601 switch (USB_GET_STATE(xfer)) { 602 case USB_ST_TRANSFERRED: 603 case USB_ST_SETUP: 604tr_setup: 605 if (usb2_com_get_data(ucom, xfer->frbuffers, 0, 606 U3G_BSIZE, &actlen)) { 607 xfer->frlengths[0] = actlen; 608 usb2_start_hardware(xfer); 609 } 610 break; 611 612 default: /* Error */ 613 if (xfer->error != USB_ERR_CANCELLED) { 614 /* do a builtin clear-stall */ 615 xfer->flags.stall_pipe = 1; 616 goto tr_setup; 617 } 618 break; 619 } 620 return; 621} 622 623static void 624u3g_read_callback(struct usb2_xfer *xfer) 625{ 626 struct usb2_com_softc *ucom = xfer->priv_sc; 627 628 switch (USB_GET_STATE(xfer)) { 629 case USB_ST_TRANSFERRED: 630 usb2_com_put_data(ucom, xfer->frbuffers, 0, xfer->actlen); 631 632 case USB_ST_SETUP: 633tr_setup: 634 xfer->frlengths[0] = xfer->max_data_length; 635 usb2_start_hardware(xfer); 636 break; 637 638 default: /* Error */ 639 if (xfer->error != USB_ERR_CANCELLED) { 640 /* do a builtin clear-stall */ 641 xfer->flags.stall_pipe = 1; 642 goto tr_setup; 643 } 644 break; 645 } 646 return; 647} 648