uslsa.c revision 1.6.4.2
1 /* $NetBSD: uslsa.c,v 1.6.4.2 2009/05/04 08:13:22 yamt 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 1.6.4.2 2009/05/04 08:13:22 yamt 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 #define USLSA_REQ_GET_BREAK 0x06 105 106 #define USLSA_REQ_SET_FLOW 0x07 107 #define USLSA_REQ_GET_FLOW 0x08 108 109 #define USLSA_REQ_SET_MODEM 0x13 110 #define USLSA_REQ_GET_MODEM 0x14 111 112 #define USLSA_REQ_SET_MISC 0x19 113 #define USLSA_REQ_GET_MISC 0x20 114 115 #define USLSA_STATE_DISABLE 0x0000 116 #define USLSA_STATE_ENABLE 0x0001 117 118 #define USLSA_BPS(b) (3686400/b) 119 120 #define USLSA_DPS_DATA_MASK 0x0f00 121 #define USLSA_DPS_DATA_FIVE 0x0500 122 #define USLSA_DPS_DATA_SIX 0x0600 123 #define USLSA_DPS_DATA_SEVEN 0x0700 124 #define USLSA_DPS_DATA_EIGHT 0x0800 125 #define USLSA_DPS_DATA_NINE 0x0900 126 127 #define USLSA_DPS_PARITY_MASK 0x00f0 128 #define USLSA_DPS_PARITY_SPACE 0x0040 129 #define USLSA_DPS_PARITY_MARK 0x0030 130 #define USLSA_DPS_PARITY_EVEN 0x0020 131 #define USLSA_DPS_PARITY_ODD 0x0010 132 #define USLSA_DPS_PARITY_NONE 0x0000 133 134 #define USLSA_DPS_STOP_MASK 0x000f 135 #define USLSA_DPS_STOP_TWO 0x0002 136 #define USLSA_DPS_STOP_ONE_FIVE 0x0001 137 #define USLSA_DPS_STOP_ONE 0x0000 138 139 #define USLSA_BREAK_DISABLE 0x0001 140 #define USLSA_BREAK_ENABLE 0x0000 141 142 #define USLSA_FLOW_SET_RTS 0x0200 143 #define USLSA_FLOW_SET_DTR 0x0100 144 #define USLSA_FLOW_MSR_MASK 0x00f0 145 #define USLSA_FLOW_MSR_DCD 0x0080 146 #define USLSA_FLOW_MSR_RI 0x0040 147 #define USLSA_FLOW_MSR_DSR 0x0020 148 #define USLSA_FLOW_MSR_CTS 0x0010 149 #define USLSA_FLOW_RTS 0x0002 150 #define USLSA_FLOW_DTR 0x0001 151 152 struct uslsa_softc { 153 USBBASEDEVICE sc_dev; /* base device */ 154 usbd_device_handle sc_udev; /* device */ 155 usbd_interface_handle sc_iface; /* interface */ 156 157 device_t sc_subdev; /* ucom device */ 158 159 u_char sc_dying; /* disconnecting */ 160 161 u_char sc_lsr; /* local status register */ 162 u_char sc_msr; /* uslsa status register */ 163 }; 164 165 static void uslsa_get_status(void *sc, int, u_char *, u_char *); 166 static void uslsa_set(void *, int, int, int); 167 static int uslsa_param(void *, int, struct termios *); 168 static int uslsa_open(void *, int); 169 static void uslsa_close(void *, int); 170 171 static int uslsa_request_set(struct uslsa_softc *, uint8_t, uint16_t); 172 static void uslsa_set_flow(struct uslsa_softc *, tcflag_t, tcflag_t); 173 174 struct ucom_methods uslsa_methods = { 175 uslsa_get_status, 176 uslsa_set, 177 uslsa_param, 178 NULL, 179 uslsa_open, 180 uslsa_close, 181 NULL, 182 NULL, 183 }; 184 185 #define USLSA_CONFIG_INDEX 0 186 #define USLSA_IFACE_INDEX 0 187 #define USLSA_BUFSIZE 256 188 189 static const struct usb_devno uslsa_devs[] = { 190 { USB_VENDOR_BALTECH, USB_PRODUCT_BALTECH_CARDREADER }, 191 { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANTDEVBOARD }, 192 { USB_VENDOR_JABLOTRON, USB_PRODUCT_JABLOTRON_PC60B }, 193 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARGUSISP }, 194 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CRUMB128 }, 195 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DEGREECONT }, 196 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DESKTOPMOBILE }, 197 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IPLINK1220 }, 198 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_HARP }, 199 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_JTAG }, 200 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_LIN }, 201 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_POLOLU }, 202 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_1 }, 203 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_2 }, 204 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SUNNTO }, 205 { USB_VENDOR_SILABS2, USB_PRODUCT_SILABS2_DCU11CLONE }, 206 { USB_VENDOR_USI, USB_PRODUCT_USI_MC60 } 207 }; 208 #define uslsa_lookup(v, p) usb_lookup(uslsa_devs, v, p) 209 210 int uslsa_match(device_t, cfdata_t, void *); 211 void uslsa_attach(device_t, device_t, void *); 212 void uslsa_childdet(device_t, device_t); 213 int uslsa_detach(device_t, int); 214 int uslsa_activate(device_t, enum devact); 215 extern struct cfdriver uslsa_cd; 216 CFATTACH_DECL2_NEW(uslsa, sizeof(struct uslsa_softc), uslsa_match, 217 uslsa_attach, uslsa_detach, uslsa_activate, NULL, uslsa_childdet); 218 219 USB_MATCH(uslsa) 220 { 221 USB_MATCH_START(uslsa, uaa); 222 223 return (uslsa_lookup(uaa->vendor, uaa->product) != NULL ? 224 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 225 } 226 227 USB_ATTACH(uslsa) 228 { 229 USB_ATTACH_START(uslsa, sc, uaa); 230 usbd_device_handle dev = uaa->device; 231 usbd_interface_handle iface; 232 usb_interface_descriptor_t *id; 233 usb_endpoint_descriptor_t *ed; 234 char *devinfop; 235 const char *devname; 236 usbd_status err; 237 struct ucom_attach_args uca; 238 int i; 239 240 sc->sc_dev = self; 241 devname = USBDEVNAME(sc->sc_dev); 242 243 DPRINTFN(10, ("\nuslsa_attach: sc=%p\n", sc)); 244 245 /* Move the device into the configured state. */ 246 err = usbd_set_config_index(dev, USLSA_CONFIG_INDEX, 1); 247 if (err) { 248 aprint_error("\n%s: failed to set configuration, err=%s\n", 249 devname, usbd_errstr(err)); 250 goto bad; 251 } 252 253 err = usbd_device2interface_handle(dev, USLSA_IFACE_INDEX, &iface); 254 if (err) { 255 aprint_error("\n%s: failed to get interface, err=%s\n", 256 devname, usbd_errstr(err)); 257 goto bad; 258 } 259 260 devinfop = usbd_devinfo_alloc(dev, 0); 261 USB_ATTACH_SETUP; 262 aprint_normal_dev(self, "%s\n", devinfop); 263 usbd_devinfo_free(devinfop); 264 265 id = usbd_get_interface_descriptor(iface); 266 267 sc->sc_udev = dev; 268 sc->sc_iface = iface; 269 270 uca.info = "Silicon Labs CP210x"; 271 uca.portno = UCOM_UNK_PORTNO; 272 uca.ibufsize = USLSA_BUFSIZE; 273 uca.obufsize = USLSA_BUFSIZE; 274 uca.ibufsizepad = USLSA_BUFSIZE; 275 uca.opkthdrlen = 0; 276 uca.device = dev; 277 uca.iface = iface; 278 uca.methods = &uslsa_methods; 279 uca.arg = sc; 280 281 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 282 USBDEV(sc->sc_dev)); 283 284 uca.bulkin = uca.bulkout = -1; 285 for (i = 0; i < id->bNumEndpoints; i++) { 286 int addr, dir, attr; 287 288 ed = usbd_interface2endpoint_descriptor(iface, i); 289 if (ed == NULL) { 290 aprint_error_dev(self, 291 "could not read endpoint descriptor: %s\n", 292 usbd_errstr(err)); 293 goto bad; 294 } 295 addr = ed->bEndpointAddress; 296 dir = UE_GET_DIR(ed->bEndpointAddress); 297 attr = ed->bmAttributes & UE_XFERTYPE; 298 if (dir == UE_DIR_IN && attr == UE_BULK) 299 uca.bulkin = addr; 300 else if (dir == UE_DIR_OUT && attr == UE_BULK) 301 uca.bulkout = addr; 302 else 303 aprint_error_dev(self, "unexpected endpoint\n"); 304 } 305 if (uca.bulkin == -1) { 306 aprint_error_dev(self, "Could not find data bulk in\n"); 307 goto bad; 308 } 309 if (uca.bulkout == -1) { 310 aprint_error_dev(self, "Could not find data bulk out\n"); 311 goto bad; 312 } 313 314 DPRINTF(("uslsa: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 315 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 316 ucomprint, ucomsubmatch); 317 318 USB_ATTACH_SUCCESS_RETURN; 319 320 bad: 321 DPRINTF(("uslsa_attach: ATTACH ERROR\n")); 322 sc->sc_dying = 1; 323 USB_ATTACH_ERROR_RETURN; 324 } 325 326 int 327 uslsa_activate(device_t self, enum devact act) 328 { 329 struct uslsa_softc *sc = device_private(self); 330 int rv = 0; 331 332 switch (act) { 333 case DVACT_ACTIVATE: 334 return (EOPNOTSUPP); 335 break; 336 337 case DVACT_DEACTIVATE: 338 sc->sc_dying = 1; 339 if (sc->sc_subdev) 340 rv = config_deactivate(sc->sc_subdev); 341 break; 342 } 343 return (rv); 344 } 345 346 void 347 uslsa_childdet(device_t self, device_t child) 348 { 349 struct uslsa_softc *sc = device_private(self); 350 351 KASSERT(sc->sc_subdev == child); 352 sc->sc_subdev = NULL; 353 } 354 355 USB_DETACH(uslsa) 356 { 357 USB_DETACH_START(uslsa, sc); 358 int rv = 0; 359 360 DPRINTF(("uslsa_detach: sc=%p flags=%d\n", sc, flags)); 361 362 sc->sc_dying = 1; 363 364 if (sc->sc_subdev != NULL) 365 rv = config_detach(sc->sc_subdev, flags); 366 367 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 368 USBDEV(sc->sc_dev)); 369 370 return (rv); 371 } 372 373 static void 374 uslsa_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 375 { 376 struct uslsa_softc *sc; 377 usb_device_request_t req; 378 usbd_status err; 379 int actlen; 380 uint16_t flowreg; 381 382 sc = vsc; 383 384 DPRINTF(("uslsa_get_status:\n")); 385 386 req.bmRequestType = UT_READ_VENDOR_INTERFACE; 387 req.bRequest = USLSA_REQ_GET_FLOW; 388 USETW(req.wValue, 0); 389 USETW(req.wIndex, 0); 390 USETW(req.wLength, sizeof(flowreg)); 391 392 err = usbd_do_request_flags(sc->sc_udev, &req, &flowreg, 393 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT); 394 if (err) 395 printf("%s: uslsa_get_status: %s\n", 396 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 397 398 DPRINTF(("uslsa_get_status: flowreg=0x%x\n", flowreg)); 399 400 sc->sc_msr = (u_char)(USLSA_FLOW_MSR_MASK & flowreg); 401 402 if (lsr != NULL) 403 *lsr = sc->sc_lsr; 404 if (msr != NULL) 405 *msr = sc->sc_msr; 406 } 407 408 static void 409 uslsa_set(void *vsc, int portno, int reg, int onoff) 410 { 411 struct uslsa_softc *sc; 412 413 sc = vsc; 414 415 DPRINTF(("uslsa_set: sc=%p, port=%d reg=%d onoff=%d\n", sc, portno, 416 reg, onoff)); 417 418 switch (reg) { 419 case UCOM_SET_DTR: 420 if (uslsa_request_set(sc, USLSA_REQ_SET_FLOW, 421 (onoff ? (USLSA_FLOW_DTR | USLSA_FLOW_SET_DTR) : 422 USLSA_FLOW_SET_DTR))) 423 printf("%s: uslsa_set_dtr failed\n", 424 USBDEVNAME(sc->sc_dev)); 425 break; 426 case UCOM_SET_RTS: 427 if (uslsa_request_set(sc, USLSA_REQ_SET_FLOW, 428 (onoff ? (USLSA_FLOW_RTS | USLSA_FLOW_SET_RTS) : 429 USLSA_FLOW_SET_RTS))) 430 printf("%s: uslsa_set_rts failed\n", 431 USBDEVNAME(sc->sc_dev)); 432 break; 433 case UCOM_SET_BREAK: 434 if (uslsa_request_set(sc, USLSA_REQ_SET_BREAK, 435 (onoff ? USLSA_BREAK_ENABLE : 436 USLSA_BREAK_DISABLE))) 437 printf("%s: uslsa_set_break failed\n", 438 USBDEVNAME(sc->sc_dev)); 439 break; 440 default: 441 break; 442 } 443 } 444 445 static int 446 uslsa_param(void *vsc, int portno, struct termios * t) 447 { 448 struct uslsa_softc *sc; 449 uint16_t data; 450 451 sc = vsc; 452 453 DPRINTF(("uslsa_param: sc=%p\n", sc)); 454 455 switch (t->c_ospeed) { 456 case B600: 457 case B1200: 458 case B2400: 459 case B4800: 460 case B9600: 461 case B19200: 462 case B38400: 463 case B57600: 464 case B115200: 465 case B230400: 466 case B460800: 467 case B921600: 468 data = USLSA_BPS(t->c_ospeed); 469 break; 470 default: 471 printf("%s: uslsa_param: unsupported data rate, " 472 "forcing default of 115200bps\n", 473 USBDEVNAME(sc->sc_dev)); 474 data = USLSA_BPS(B115200); 475 }; 476 477 if (uslsa_request_set(sc, USLSA_REQ_SET_BPS, data)) 478 printf("%s: uslsa_param: setting data rate failed\n", 479 USBDEVNAME(sc->sc_dev)); 480 481 data = 0; 482 483 if (ISSET(t->c_cflag, CSTOPB)) 484 data |= USLSA_DPS_STOP_TWO; 485 else 486 data |= USLSA_DPS_STOP_ONE; 487 488 if (ISSET(t->c_cflag, PARENB)) { 489 if (ISSET(t->c_cflag, PARODD)) 490 data |= USLSA_DPS_PARITY_ODD; 491 else 492 data |= USLSA_DPS_PARITY_EVEN; 493 } else 494 data |= USLSA_DPS_PARITY_NONE; 495 496 switch (ISSET(t->c_cflag, CSIZE)) { 497 case CS5: 498 data |= USLSA_DPS_DATA_FIVE; 499 break; 500 case CS6: 501 data |= USLSA_DPS_DATA_SIX; 502 break; 503 case CS7: 504 data |= USLSA_DPS_DATA_SEVEN; 505 break; 506 case CS8: 507 data |= USLSA_DPS_DATA_EIGHT; 508 break; 509 } 510 511 DPRINTF(("uslsa_param: setting DPS register to 0x%x\n", data)); 512 if (uslsa_request_set(sc, USLSA_REQ_SET_DPS, data)) 513 printf("%s: setting DPS register failed: invalid argument\n", 514 USBDEVNAME(sc->sc_dev)); 515 516 uslsa_set_flow(sc, t->c_cflag, t->c_iflag); 517 518 return 0; 519 } 520 521 522 static int 523 uslsa_open(void *vsc, int portno) 524 { 525 struct uslsa_softc *sc; 526 527 sc = vsc; 528 529 DPRINTF(("uslsa_open: sc=%p\n", sc)); 530 531 if (sc->sc_dying) 532 return (EIO); 533 534 if (uslsa_request_set(sc, USLSA_REQ_SET_STATE, USLSA_STATE_ENABLE)) 535 return (EIO); 536 537 return 0; 538 } 539 540 void 541 uslsa_close(void *vsc, int portno) 542 { 543 struct uslsa_softc *sc; 544 545 sc = vsc; 546 547 if (sc->sc_dying) 548 return; 549 550 DPRINTF(("uslsa_close: sc=%p\n", sc)); 551 552 if (uslsa_request_set(sc, USLSA_REQ_SET_STATE, 553 USLSA_STATE_DISABLE)) 554 printf("%s: disable-on-close failed\n", 555 USBDEVNAME(sc->sc_dev)); 556 } 557 558 /* 559 * uslsa_request_set(), wrapper for doing sets with usbd_do_request() 560 */ 561 static int 562 uslsa_request_set(struct uslsa_softc * sc, uint8_t request, uint16_t value) 563 { 564 usb_device_request_t req; 565 usbd_status err; 566 567 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 568 req.bRequest = request; 569 USETW(req.wValue, value); 570 USETW(req.wIndex, 0); 571 USETW(req.wLength, 0); 572 573 err = usbd_do_request(sc->sc_udev, &req, 0); 574 if (err) 575 printf("%s: uslsa_request: %s\n", 576 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 577 return err; 578 } 579 580 /* 581 * uslsa_set_flow() does some magic to set up hardware flow control 582 */ 583 static void 584 uslsa_set_flow(struct uslsa_softc *sc, tcflag_t cflag, tcflag_t iflag) 585 { 586 uint8_t mysterydata[16]; 587 usb_device_request_t req; 588 usbd_status err; 589 590 DPRINTF(("uslsa_set_flow: cflag = 0x%x, iflag = 0x%x\n", 591 cflag, iflag)); 592 593 req.bmRequestType = UT_READ_VENDOR_INTERFACE; 594 req.bRequest = USLSA_REQ_GET_MODEM; 595 USETW(req.wValue, 0); 596 USETW(req.wIndex, 0); 597 USETW(req.wLength, 16); 598 599 err = usbd_do_request(sc->sc_udev, &req, mysterydata); 600 if (err) 601 printf("%s: uslsa_set_flow: %s\n", 602 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 603 604 if (ISSET(cflag, CRTSCTS)) { 605 mysterydata[0] &= ~0x7b; 606 mysterydata[0] |= 0x09; 607 mysterydata[4] = 0x80; 608 } else { 609 mysterydata[0] &= ~0x7b; 610 mysterydata[0] |= 0x01; 611 mysterydata[4] = 0x40; 612 } 613 614 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 615 req.bRequest = USLSA_REQ_SET_MODEM; 616 USETW(req.wValue, 0); 617 USETW(req.wIndex, 0); 618 USETW(req.wLength, 16); 619 620 err = usbd_do_request(sc->sc_udev, &req, mysterydata); 621 if (err) 622 printf("%s: uslsa_set_flow: %s\n", 623 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 624 } 625
Indexes created Tue Oct 14 11:09:46 GMT 2025