uslsa.c revision 1.16
1 /* $NetBSD: uslsa.c,v 1.16 2011/12/23 00:51:49 jakllsch Exp $ */ 2 3 /* from ugensa.c */ 4 5 /* 6 * Copyright (c) 2004, 2005 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to The NetBSD Foundation 10 * by Roland C. Dowdeswell <elric (at) netbsd.org>. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * Copyright (c) 2007, 2009 Jonathan A. Kollasch. 36 * All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 47 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 48 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 49 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 50 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 51 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 52 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 53 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 54 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 55 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 56 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 57 * 58 */ 59 60 /* 61 * Craig Shelley's Linux driver was used for documentation. 62 */ 63 64 #include <sys/cdefs.h> 65 __KERNEL_RCSID(0, "$NetBSD: uslsa.c,v 1.16 2011/12/23 00:51:49 jakllsch Exp $"); 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #include <sys/kernel.h> 70 #include <sys/device.h> 71 #include <sys/conf.h> 72 #include <sys/tty.h> 73 74 #include <dev/usb/usb.h> 75 76 #include <dev/usb/usbdi.h> 77 #include <dev/usb/usbdi_util.h> 78 #include <dev/usb/usbdevs.h> 79 80 #include <dev/usb/ucomvar.h> 81 82 #ifdef DEBUG 83 #define USLSA_DEBUG 84 #endif 85 86 #ifdef USLSA_DEBUG 87 #define DPRINTF(x) if (uslsadebug) printf x 88 #define DPRINTFN(n,x) if (uslsadebug>(n)) printf x 89 int uslsadebug = 0; 90 #else 91 #define DPRINTF(x) 92 #define DPRINTFN(n,x) 93 #endif 94 95 #define USLSA_REQ_SET_STATE 0x00 96 97 #define USLSA_REQ_SET_BPS 0x01 98 #define USLSA_REQ_GET_BPS 0x02 99 100 #define USLSA_REQ_SET_DPS 0x03 101 #define USLSA_REQ_GET_DPS 0x04 102 103 #define USLSA_REQ_SET_BREAK 0x05 104 105 #define USLSA_REQ_SET_FLOW 0x07 106 #define USLSA_REQ_GET_FLOW 0x08 107 108 #define USLSA_REQ_SET_MODEM 0x13 109 #define USLSA_REQ_GET_MODEM 0x14 110 111 #define USLSA_REQ_SET_MISC 0x19 112 #define USLSA_REQ_GET_MISC 0x20 113 114 #define USLSA_STATE_DISABLE 0x0000 115 #define USLSA_STATE_ENABLE 0x0001 116 117 #define USLSA_BPS(b) (3686400/b) 118 119 #define USLSA_DPS_DATA_MASK 0x0f00 120 #define USLSA_DPS_DATA_FIVE 0x0500 121 #define USLSA_DPS_DATA_SIX 0x0600 122 #define USLSA_DPS_DATA_SEVEN 0x0700 123 #define USLSA_DPS_DATA_EIGHT 0x0800 124 #define USLSA_DPS_DATA_NINE 0x0900 125 126 #define USLSA_DPS_PARITY_MASK 0x00f0 127 #define USLSA_DPS_PARITY_SPACE 0x0040 128 #define USLSA_DPS_PARITY_MARK 0x0030 129 #define USLSA_DPS_PARITY_EVEN 0x0020 130 #define USLSA_DPS_PARITY_ODD 0x0010 131 #define USLSA_DPS_PARITY_NONE 0x0000 132 133 #define USLSA_DPS_STOP_MASK 0x000f 134 #define USLSA_DPS_STOP_TWO 0x0002 135 #define USLSA_DPS_STOP_ONE_FIVE 0x0001 136 #define USLSA_DPS_STOP_ONE 0x0000 137 138 #define USLSA_BREAK_DISABLE 0x0000 139 #define USLSA_BREAK_ENABLE 0x0001 140 141 #define USLSA_FLOW_SET_RTS 0x0200 142 #define USLSA_FLOW_SET_DTR 0x0100 143 #define USLSA_FLOW_MSR_MASK 0x00f0 144 #define USLSA_FLOW_MSR_DCD 0x0080 145 #define USLSA_FLOW_MSR_RI 0x0040 146 #define USLSA_FLOW_MSR_DSR 0x0020 147 #define USLSA_FLOW_MSR_CTS 0x0010 148 #define USLSA_FLOW_RTS 0x0002 149 #define USLSA_FLOW_DTR 0x0001 150 151 struct uslsa_softc { 152 device_t sc_dev; /* base device */ 153 usbd_device_handle sc_udev; /* device */ 154 usbd_interface_handle sc_iface; /* interface */ 155 156 device_t sc_subdev; /* ucom device */ 157 158 u_char sc_dying; /* disconnecting */ 159 160 u_char sc_lsr; /* local status register */ 161 u_char sc_msr; /* uslsa status register */ 162 }; 163 164 static void uslsa_get_status(void *sc, int, u_char *, u_char *); 165 static void uslsa_set(void *, int, int, int); 166 static int uslsa_param(void *, int, struct termios *); 167 static int uslsa_open(void *, int); 168 static void uslsa_close(void *, int); 169 170 static int uslsa_request_set(struct uslsa_softc *, uint8_t, uint16_t); 171 static void uslsa_set_flow(struct uslsa_softc *, tcflag_t, tcflag_t); 172 173 static const struct ucom_methods uslsa_methods = { 174 uslsa_get_status, 175 uslsa_set, 176 uslsa_param, 177 NULL, 178 uslsa_open, 179 uslsa_close, 180 NULL, 181 NULL, 182 }; 183 184 #define USLSA_CONFIG_INDEX 0 185 #define USLSA_IFACE_INDEX 0 186 #define USLSA_BUFSIZE 256 187 188 static const struct usb_devno uslsa_devs[] = { 189 { USB_VENDOR_BALTECH, USB_PRODUCT_BALTECH_CARDREADER }, 190 { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANTDEVBOARD }, 191 { USB_VENDOR_JABLOTRON, USB_PRODUCT_JABLOTRON_PC60B }, 192 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARGUSISP }, 193 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CRUMB128 }, 194 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DEGREECONT }, 195 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DESKTOPMOBILE }, 196 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IPLINK1220 }, 197 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_HARP }, 198 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_JTAG }, 199 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_LIN }, 200 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_POLOLU }, 201 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_1 }, 202 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_2 }, 203 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SUNNTO }, 204 { USB_VENDOR_SILABS2, USB_PRODUCT_SILABS2_DCU11CLONE }, 205 { USB_VENDOR_USI, USB_PRODUCT_USI_MC60 } 206 }; 207 #define uslsa_lookup(v, p) usb_lookup(uslsa_devs, v, p) 208 209 static int uslsa_match(device_t, cfdata_t, void *); 210 static void uslsa_attach(device_t, device_t, void *); 211 static void uslsa_childdet(device_t, device_t); 212 static int uslsa_detach(device_t, int); 213 static int uslsa_activate(device_t, enum devact); 214 215 CFATTACH_DECL2_NEW(uslsa, sizeof(struct uslsa_softc), uslsa_match, 216 uslsa_attach, uslsa_detach, uslsa_activate, NULL, uslsa_childdet); 217 218 static int 219 uslsa_match(device_t parent, cfdata_t match, void *aux) 220 { 221 struct usb_attach_arg *uaa = aux; 222 223 return (uslsa_lookup(uaa->vendor, uaa->product) != NULL ? 224 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 225 } 226 227 static void 228 uslsa_attach(device_t parent, device_t self, void *aux) 229 { 230 struct uslsa_softc *sc = device_private(self); 231 struct usb_attach_arg *uaa = aux; 232 usbd_device_handle dev = uaa->device; 233 usbd_interface_handle iface; 234 usb_interface_descriptor_t *id; 235 usb_endpoint_descriptor_t *ed; 236 char *devinfop; 237 usbd_status err; 238 struct ucom_attach_args uca; 239 int i; 240 241 sc->sc_dev = self; 242 243 DPRINTFN(10, ("\nuslsa_attach: sc=%p\n", sc)); 244 245 aprint_naive("\n"); 246 aprint_normal("\n"); 247 248 devinfop = usbd_devinfo_alloc(dev, 0); 249 aprint_normal_dev(self, "%s\n", devinfop); 250 usbd_devinfo_free(devinfop); 251 252 /* Move the device into the configured state. */ 253 err = usbd_set_config_index(dev, USLSA_CONFIG_INDEX, 1); 254 if (err) { 255 aprint_error_dev(self, "failed to set configuration, err=%s\n", 256 usbd_errstr(err)); 257 goto bad; 258 } 259 260 err = usbd_device2interface_handle(dev, USLSA_IFACE_INDEX, &iface); 261 if (err) { 262 aprint_error_dev(self, "failed to get interface, err=%s\n", 263 usbd_errstr(err)); 264 goto bad; 265 } 266 267 id = usbd_get_interface_descriptor(iface); 268 269 sc->sc_udev = dev; 270 sc->sc_iface = iface; 271 272 uca.info = "Silicon Labs CP210x"; 273 uca.portno = UCOM_UNK_PORTNO; 274 uca.ibufsize = USLSA_BUFSIZE; 275 uca.obufsize = USLSA_BUFSIZE; 276 uca.ibufsizepad = USLSA_BUFSIZE; 277 uca.opkthdrlen = 0; 278 uca.device = dev; 279 uca.iface = iface; 280 uca.methods = &uslsa_methods; 281 uca.arg = sc; 282 283 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 284 sc->sc_dev); 285 286 uca.bulkin = uca.bulkout = -1; 287 for (i = 0; i < id->bNumEndpoints; i++) { 288 int addr, dir, attr; 289 290 ed = usbd_interface2endpoint_descriptor(iface, i); 291 if (ed == NULL) { 292 aprint_error_dev(self, 293 "could not read endpoint descriptor: %s\n", 294 usbd_errstr(err)); 295 goto bad; 296 } 297 addr = ed->bEndpointAddress; 298 dir = UE_GET_DIR(ed->bEndpointAddress); 299 attr = ed->bmAttributes & UE_XFERTYPE; 300 if (dir == UE_DIR_IN && attr == UE_BULK) 301 uca.bulkin = addr; 302 else if (dir == UE_DIR_OUT && attr == UE_BULK) 303 uca.bulkout = addr; 304 else 305 aprint_error_dev(self, "unexpected endpoint\n"); 306 } 307 if (uca.bulkin == -1) { 308 aprint_error_dev(self, "Could not find data bulk in\n"); 309 goto bad; 310 } 311 if (uca.bulkout == -1) { 312 aprint_error_dev(self, "Could not find data bulk out\n"); 313 goto bad; 314 } 315 316 DPRINTF(("uslsa: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 317 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 318 ucomprint, ucomsubmatch); 319 320 return; 321 322 bad: 323 DPRINTF(("uslsa_attach: ATTACH ERROR\n")); 324 sc->sc_dying = 1; 325 return; 326 } 327 328 static int 329 uslsa_activate(device_t self, enum devact act) 330 { 331 struct uslsa_softc *sc = device_private(self); 332 333 switch (act) { 334 case DVACT_DEACTIVATE: 335 sc->sc_dying = 1; 336 return 0; 337 default: 338 return EOPNOTSUPP; 339 } 340 } 341 342 static void 343 uslsa_childdet(device_t self, device_t child) 344 { 345 struct uslsa_softc *sc = device_private(self); 346 347 KASSERT(sc->sc_subdev == child); 348 sc->sc_subdev = NULL; 349 } 350 351 static int 352 uslsa_detach(device_t self, int flags) 353 { 354 struct uslsa_softc *sc = device_private(self); 355 int rv = 0; 356 357 DPRINTF(("uslsa_detach: sc=%p flags=%d\n", sc, flags)); 358 359 sc->sc_dying = 1; 360 361 if (sc->sc_subdev != NULL) 362 rv = config_detach(sc->sc_subdev, flags); 363 364 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 365 sc->sc_dev); 366 367 return (rv); 368 } 369 370 static void 371 uslsa_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 372 { 373 struct uslsa_softc *sc; 374 usb_device_request_t req; 375 usbd_status err; 376 int actlen; 377 uint16_t flowreg; 378 379 sc = vsc; 380 381 DPRINTF(("uslsa_get_status:\n")); 382 383 req.bmRequestType = UT_READ_VENDOR_INTERFACE; 384 req.bRequest = USLSA_REQ_GET_FLOW; 385 USETW(req.wValue, 0); 386 USETW(req.wIndex, 0); 387 USETW(req.wLength, sizeof(flowreg)); 388 389 err = usbd_do_request_flags(sc->sc_udev, &req, &flowreg, 390 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT); 391 if (err) 392 printf("%s: uslsa_get_status: %s\n", 393 device_xname(sc->sc_dev), usbd_errstr(err)); 394 395 DPRINTF(("uslsa_get_status: flowreg=0x%x\n", flowreg)); 396 397 sc->sc_msr = (u_char)(USLSA_FLOW_MSR_MASK & flowreg); 398 399 if (lsr != NULL) 400 *lsr = sc->sc_lsr; 401 if (msr != NULL) 402 *msr = sc->sc_msr; 403 } 404 405 static void 406 uslsa_set(void *vsc, int portno, int reg, int onoff) 407 { 408 struct uslsa_softc *sc; 409 410 sc = vsc; 411 412 DPRINTF(("uslsa_set: sc=%p, port=%d reg=%d onoff=%d\n", sc, portno, 413 reg, onoff)); 414 415 switch (reg) { 416 case UCOM_SET_DTR: 417 if (uslsa_request_set(sc, USLSA_REQ_SET_FLOW, 418 (onoff ? (USLSA_FLOW_DTR | USLSA_FLOW_SET_DTR) : 419 USLSA_FLOW_SET_DTR))) 420 printf("%s: uslsa_set_dtr failed\n", 421 device_xname(sc->sc_dev)); 422 break; 423 case UCOM_SET_RTS: 424 if (uslsa_request_set(sc, USLSA_REQ_SET_FLOW, 425 (onoff ? (USLSA_FLOW_RTS | USLSA_FLOW_SET_RTS) : 426 USLSA_FLOW_SET_RTS))) 427 printf("%s: uslsa_set_rts failed\n", 428 device_xname(sc->sc_dev)); 429 break; 430 case UCOM_SET_BREAK: 431 if (uslsa_request_set(sc, USLSA_REQ_SET_BREAK, 432 (onoff ? USLSA_BREAK_ENABLE : 433 USLSA_BREAK_DISABLE))) 434 printf("%s: uslsa_set_break failed\n", 435 device_xname(sc->sc_dev)); 436 break; 437 default: 438 break; 439 } 440 } 441 442 static int 443 uslsa_param(void *vsc, int portno, struct termios * t) 444 { 445 struct uslsa_softc *sc; 446 uint16_t data; 447 448 sc = vsc; 449 450 DPRINTF(("uslsa_param: sc=%p\n", sc)); 451 452 switch (t->c_ospeed) { 453 case B600: 454 case B1200: 455 case B2400: 456 case B4800: 457 case B9600: 458 case B19200: 459 case B38400: 460 case B57600: 461 case B115200: 462 case B230400: 463 case B460800: 464 case B921600: 465 data = USLSA_BPS(t->c_ospeed); 466 break; 467 default: 468 printf("%s: uslsa_param: unsupported data rate, " 469 "forcing default of 115200bps\n", 470 device_xname(sc->sc_dev)); 471 data = USLSA_BPS(B115200); 472 }; 473 474 if (uslsa_request_set(sc, USLSA_REQ_SET_BPS, data)) 475 printf("%s: uslsa_param: setting data rate failed\n", 476 device_xname(sc->sc_dev)); 477 478 data = 0; 479 480 if (ISSET(t->c_cflag, CSTOPB)) 481 data |= USLSA_DPS_STOP_TWO; 482 else 483 data |= USLSA_DPS_STOP_ONE; 484 485 if (ISSET(t->c_cflag, PARENB)) { 486 if (ISSET(t->c_cflag, PARODD)) 487 data |= USLSA_DPS_PARITY_ODD; 488 else 489 data |= USLSA_DPS_PARITY_EVEN; 490 } else 491 data |= USLSA_DPS_PARITY_NONE; 492 493 switch (ISSET(t->c_cflag, CSIZE)) { 494 case CS5: 495 data |= USLSA_DPS_DATA_FIVE; 496 break; 497 case CS6: 498 data |= USLSA_DPS_DATA_SIX; 499 break; 500 case CS7: 501 data |= USLSA_DPS_DATA_SEVEN; 502 break; 503 case CS8: 504 data |= USLSA_DPS_DATA_EIGHT; 505 break; 506 } 507 508 DPRINTF(("uslsa_param: setting DPS register to 0x%x\n", data)); 509 if (uslsa_request_set(sc, USLSA_REQ_SET_DPS, data)) 510 printf("%s: setting DPS register failed: invalid argument\n", 511 device_xname(sc->sc_dev)); 512 513 uslsa_set_flow(sc, t->c_cflag, t->c_iflag); 514 515 return 0; 516 } 517 518 519 static int 520 uslsa_open(void *vsc, int portno) 521 { 522 struct uslsa_softc *sc; 523 524 sc = vsc; 525 526 DPRINTF(("uslsa_open: sc=%p\n", sc)); 527 528 if (sc->sc_dying) 529 return (EIO); 530 531 if (uslsa_request_set(sc, USLSA_REQ_SET_STATE, USLSA_STATE_ENABLE)) 532 return (EIO); 533 534 return 0; 535 } 536 537 static void 538 uslsa_close(void *vsc, int portno) 539 { 540 struct uslsa_softc *sc; 541 542 sc = vsc; 543 544 if (sc->sc_dying) 545 return; 546 547 DPRINTF(("uslsa_close: sc=%p\n", sc)); 548 549 if (uslsa_request_set(sc, USLSA_REQ_SET_STATE, 550 USLSA_STATE_DISABLE)) 551 printf("%s: disable-on-close failed\n", 552 device_xname(sc->sc_dev)); 553 } 554 555 /* 556 * uslsa_request_set(), wrapper for doing sets with usbd_do_request() 557 */ 558 static int 559 uslsa_request_set(struct uslsa_softc * sc, uint8_t request, uint16_t value) 560 { 561 usb_device_request_t req; 562 usbd_status err; 563 564 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 565 req.bRequest = request; 566 USETW(req.wValue, value); 567 USETW(req.wIndex, 0); 568 USETW(req.wLength, 0); 569 570 err = usbd_do_request(sc->sc_udev, &req, 0); 571 if (err) 572 printf("%s: uslsa_request: %s\n", 573 device_xname(sc->sc_dev), usbd_errstr(err)); 574 return err; 575 } 576 577 /* 578 * uslsa_set_flow() does some magic to set up hardware flow control 579 */ 580 static void 581 uslsa_set_flow(struct uslsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 582 { 583 uint8_t mysterydata[16]; 584 usb_device_request_t req; 585 usbd_status err; 586 587 DPRINTF(("uslsa_set_flow: cflag = 0x%x, iflag = 0x%x\n", 588 cflag, iflag)); 589 590 req.bmRequestType = UT_READ_VENDOR_INTERFACE; 591 req.bRequest = USLSA_REQ_GET_MODEM; 592 USETW(req.wValue, 0); 593 USETW(req.wIndex, 0); 594 USETW(req.wLength, 16); 595 596 err = usbd_do_request(sc->sc_udev, &req, mysterydata); 597 if (err) 598 printf("%s: uslsa_set_flow: %s\n", 599 device_xname(sc->sc_dev), usbd_errstr(err)); 600 601 if (ISSET(cflag, CRTSCTS)) { 602 mysterydata[0] &= ~0x7b; 603 mysterydata[0] |= 0x09; 604 mysterydata[4] = 0x80; 605 } else { 606 mysterydata[0] &= ~0x7b; 607 mysterydata[0] |= 0x01; 608 mysterydata[4] = 0x40; 609 } 610 611 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 612 req.bRequest = USLSA_REQ_SET_MODEM; 613 USETW(req.wValue, 0); 614 USETW(req.wIndex, 0); 615 USETW(req.wLength, 16); 616 617 err = usbd_do_request(sc->sc_udev, &req, mysterydata); 618 if (err) 619 printf("%s: uslsa_set_flow: %s\n", 620 device_xname(sc->sc_dev), usbd_errstr(err)); 621 } 622
Indexes created Tue Oct 14 11:09:46 GMT 2025