1 /* $OpenBSD: uslcom.c,v 1.31 2014/07/12 21:24:33 mpi Exp $ */ 2 3 /* 4 * Copyright (c) 2006 Jonathan Gray <jsg@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/param.h> 20 #include <sys/systm.h> 21 #include <sys/kernel.h> 22 #include <sys/conf.h> 23 #include <sys/tty.h> 24 #include <sys/device.h> 25 26 #include <dev/usb/usb.h> 27 #include <dev/usb/usbdi.h> 28 #include <dev/usb/usbdi_util.h> 29 #include <dev/usb/usbdevs.h> 30 31 #include <dev/usb/usbdevs.h> 32 #include <dev/usb/ucomvar.h> 33 34 #ifdef USLCOM_DEBUG 35 #define DPRINTFN(n, x) do { if (uslcomdebug > (n)) printf x; } while (0) 36 int uslcomdebug = 0; 37 #else 38 #define DPRINTFN(n, x) 39 #endif 40 #define DPRINTF(x) DPRINTFN(0, x) 41 42 #define USLCOMBUFSZ 256 43 #define USLCOM_CONFIG_NO 0 44 #define USLCOM_IFACE_NO 0 45 46 #define USLCOM_SET_DATA_BITS(x) (x << 8) 47 48 #define USLCOM_WRITE 0x41 49 #define USLCOM_READ 0xc1 50 51 #define USLCOM_UART 0x00 52 #define USLCOM_SET_BAUD_DIV 0x01 53 #define USLCOM_DATA 0x03 54 #define USLCOM_BREAK 0x05 55 #define USLCOM_CTRL 0x07 56 #define USLCOM_SET_FLOW 0x13 57 #define USLCOM_SET_BAUD_RATE 0x1e 58 59 #define USLCOM_UART_DISABLE 0x00 60 #define USLCOM_UART_ENABLE 0x01 61 62 #define USLCOM_CTRL_DTR_ON 0x0001 63 #define USLCOM_CTRL_DTR_SET 0x0100 64 #define USLCOM_CTRL_RTS_ON 0x0002 65 #define USLCOM_CTRL_RTS_SET 0x0200 66 #define USLCOM_CTRL_CTS 0x0010 67 #define USLCOM_CTRL_DSR 0x0020 68 #define USLCOM_CTRL_DCD 0x0080 69 70 #define USLCOM_BAUD_REF 3686400 /* 3.6864 MHz */ 71 72 #define USLCOM_STOP_BITS_1 0x00 73 #define USLCOM_STOP_BITS_2 0x02 74 75 #define USLCOM_PARITY_NONE 0x00 76 #define USLCOM_PARITY_ODD 0x10 77 #define USLCOM_PARITY_EVEN 0x20 78 79 #define USLCOM_BREAK_OFF 0x00 80 #define USLCOM_BREAK_ON 0x01 81 82 /* USLCOM_SET_FLOW values - 1st word */ 83 #define USLCOM_FLOW_DTR_ON 0x00000001 /* DTR static active */ 84 #define USLCOM_FLOW_CTS_HS 0x00000008 /* CTS handshake */ 85 /* USLCOM_SET_FLOW values - 2nd word */ 86 #define USLCOM_FLOW_RTS_ON 0x00000040 /* RTS static active */ 87 #define USLCOM_FLOW_RTS_HS 0x00000080 /* RTS handshake */ 88 89 struct uslcom_softc { 90 struct device sc_dev; 91 struct usbd_device *sc_udev; 92 struct usbd_interface *sc_iface; 93 struct device *sc_subdev; 94 95 u_char sc_msr; 96 u_char sc_lsr; 97 }; 98 99 void uslcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 100 void uslcom_set(void *, int, int, int); 101 int uslcom_param(void *, int, struct termios *); 102 int uslcom_open(void *sc, int portno); 103 void uslcom_close(void *, int); 104 void uslcom_break(void *sc, int portno, int onoff); 105 106 struct ucom_methods uslcom_methods = { 107 uslcom_get_status, 108 uslcom_set, 109 uslcom_param, 110 NULL, 111 uslcom_open, 112 uslcom_close, 113 NULL, 114 NULL, 115 }; 116 117 static const struct usb_devno uslcom_devs[] = { 118 { USB_VENDOR_BALTECH, USB_PRODUCT_BALTECH_CARDREADER }, 119 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_5000CT2 }, 120 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_5500PACA }, 121 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_5500PCU }, 122 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_560884 }, 123 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_5800PC }, 124 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_C5000CT2 }, 125 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_L51xx }, 126 { USB_VENDOR_DATAAPEX, USB_PRODUCT_DATAAPEX_MULTICOM }, 127 { USB_VENDOR_DELL, USB_PRODUCT_DELL_DW700 }, 128 { USB_VENDOR_DIGIANSWER, USB_PRODUCT_DIGIANSWER_ZIGBEE802154 }, 129 { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANT2USB }, 130 { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANTDEVBOARD }, 131 { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANTDEVBOARD2 }, 132 { USB_VENDOR_ELV, USB_PRODUCT_ELV_USBI2C }, 133 { USB_VENDOR_FESTO, USB_PRODUCT_FESTO_CMSP }, 134 { USB_VENDOR_FESTO, USB_PRODUCT_FESTO_CPX_USB }, 135 { USB_VENDOR_FOXCONN, USB_PRODUCT_FOXCONN_PIRELLI_DP_L10 }, 136 { USB_VENDOR_FOXCONN, USB_PRODUCT_FOXCONN_TCOM_TC_300 }, 137 { USB_VENDOR_GEMPLUS, USB_PRODUCT_GEMPLUS_PROXPU }, 138 { USB_VENDOR_JABLOTRON, USB_PRODUCT_JABLOTRON_PC60B }, 139 { USB_VENDOR_KAMSTRUP, USB_PRODUCT_KAMSTRUP_MBUS_250D }, 140 { USB_VENDOR_KAMSTRUP, USB_PRODUCT_KAMSTRUP_OPTICALEYE }, 141 { USB_VENDOR_LINKINSTRUMENTS, USB_PRODUCT_LINKINSTRUMENTS_MSO19 }, 142 { USB_VENDOR_LINKINSTRUMENTS, USB_PRODUCT_LINKINSTRUMENTS_MSO28 }, 143 { USB_VENDOR_LINKINSTRUMENTS, USB_PRODUCT_LINKINSTRUMENTS_MSO28_2 }, 144 { USB_VENDOR_MEI, USB_PRODUCT_MEI_CASHFLOW_SC }, 145 { USB_VENDOR_MEI, USB_PRODUCT_MEI_S2000 }, 146 { USB_VENDOR_OWEN, USB_PRODUCT_OWEN_AC4 }, 147 { USB_VENDOR_PHILIPS, USB_PRODUCT_PHILIPS_ACE1001 }, 148 { USB_VENDOR_RENESAS, USB_PRODUCT_RENESAS_RX610 }, 149 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AC_SERV_CAN }, 150 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AC_SERV_CIS }, 151 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AC_SERV_IBUS }, 152 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AC_SERV_OBD }, 153 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AEROCOMM }, 154 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AMBER_AMB2560 }, 155 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARGUSISP }, 156 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARKHAM_DS101_A }, 157 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARKHAM_DS101_M }, 158 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARYGON_MIFARE }, 159 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AVIT_USB_TTL }, 160 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_BALLUFF_RFID }, 161 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_BEI_VCP }, 162 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_BSM7DUSB }, 163 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_B_G_H3000 }, 164 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_C2_EDGE_MODEM }, 165 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_1 }, 166 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_2 }, 167 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_3 }, 168 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_4 }, 169 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CRUMB128 }, 170 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CYGNAL }, 171 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CYGNAL_DEBUG }, 172 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CYGNAL_GPS }, 173 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DEGREECONT }, 174 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DEKTEK_DTAPLUS }, 175 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DESKTOPMOBILE }, 176 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_EDG1228 }, 177 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_EMS_C1007 }, 178 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_HAMLINKUSB }, 179 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IMS_USB_RS422 }, 180 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_INFINITY_MIC }, 181 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_INSYS_MODEM }, 182 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IPLINK1220 }, 183 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IRZ_SG10 }, 184 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_KYOCERA_GPS }, 185 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_HARP }, 186 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_JTAG }, 187 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_LIN }, 188 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MC35PU }, 189 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MJS_TOSLINK }, 190 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MSD_DASHHAWK }, 191 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MULTIPLEX_RC }, 192 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_OPTRIS_MSPRO }, 193 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_POLOLU }, 194 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_PROCYON_AVS }, 195 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_RIGBLASTER }, 196 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_RIGTALK }, 197 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SB_PARAMOUNT_ME }, 198 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SUUNTO }, 199 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TAMSMASTER }, 200 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TELEGESIS_ETRX2 }, 201 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TRACIENT }, 202 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TRAQMATE }, 203 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_USBCOUNT50 }, 204 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_USBPULSE100 }, 205 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_USBSCOPE50 }, 206 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_USBWAVE12 }, 207 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_VSTABI }, 208 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_WAVIT }, 209 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ZEPHYR_BIO }, 210 { USB_VENDOR_SILABS2, USB_PRODUCT_SILABS2_DCU11CLONE }, 211 { USB_VENDOR_SILABS3, USB_PRODUCT_SILABS3_GPRS_MODEM }, 212 { USB_VENDOR_SILABS4, USB_PRODUCT_SILABS4_100EU_MODEM }, 213 { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_CIPHERLAB100 }, 214 { USB_VENDOR_USI, USB_PRODUCT_USI_MC60 }, 215 { USB_VENDOR_VAISALA, USB_PRODUCT_VAISALA_USBINSTCABLE }, 216 { USB_VENDOR_WAGO, USB_PRODUCT_WAGO_SERVICECABLE }, 217 { USB_VENDOR_WAVESENSE, USB_PRODUCT_WAVESENSE_JAZZ }, 218 { USB_VENDOR_WIENERPLEINBAUS, USB_PRODUCT_WIENERPLEINBAUS_CML }, 219 { USB_VENDOR_WIENERPLEINBAUS, USB_PRODUCT_WIENERPLEINBAUS_MPOD }, 220 { USB_VENDOR_WIENERPLEINBAUS, USB_PRODUCT_WIENERPLEINBAUS_PL512 }, 221 { USB_VENDOR_WIENERPLEINBAUS, USB_PRODUCT_WIENERPLEINBAUS_RCM }, 222 }; 223 224 int uslcom_match(struct device *, void *, void *); 225 void uslcom_attach(struct device *, struct device *, void *); 226 int uslcom_detach(struct device *, int); 227 228 struct cfdriver uslcom_cd = { 229 NULL, "uslcom", DV_DULL 230 }; 231 232 const struct cfattach uslcom_ca = { 233 sizeof(struct uslcom_softc), uslcom_match, uslcom_attach, uslcom_detach 234 }; 235 236 int 237 uslcom_match(struct device *parent, void *match, void *aux) 238 { 239 struct usb_attach_arg *uaa = aux; 240 241 if (uaa->iface != NULL) 242 return UMATCH_NONE; 243 244 return (usb_lookup(uslcom_devs, uaa->vendor, uaa->product) != NULL) ? 245 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 246 } 247 248 void 249 uslcom_attach(struct device *parent, struct device *self, void *aux) 250 { 251 struct uslcom_softc *sc = (struct uslcom_softc *)self; 252 struct usb_attach_arg *uaa = aux; 253 struct ucom_attach_args uca; 254 usb_interface_descriptor_t *id; 255 usb_endpoint_descriptor_t *ed; 256 usbd_status error; 257 int i; 258 259 bzero(&uca, sizeof(uca)); 260 sc->sc_udev = uaa->device; 261 262 if (usbd_set_config_index(sc->sc_udev, USLCOM_CONFIG_NO, 1) != 0) { 263 printf("%s: could not set configuration no\n", 264 sc->sc_dev.dv_xname); 265 usbd_deactivate(sc->sc_udev); 266 return; 267 } 268 269 /* get the first interface handle */ 270 error = usbd_device2interface_handle(sc->sc_udev, USLCOM_IFACE_NO, 271 &sc->sc_iface); 272 if (error != 0) { 273 printf("%s: could not get interface handle\n", 274 sc->sc_dev.dv_xname); 275 usbd_deactivate(sc->sc_udev); 276 return; 277 } 278 279 id = usbd_get_interface_descriptor(sc->sc_iface); 280 281 uca.bulkin = uca.bulkout = -1; 282 for (i = 0; i < id->bNumEndpoints; i++) { 283 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 284 if (ed == NULL) { 285 printf("%s: no endpoint descriptor found for %d\n", 286 sc->sc_dev.dv_xname, i); 287 usbd_deactivate(sc->sc_udev); 288 return; 289 } 290 291 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 292 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 293 uca.bulkin = ed->bEndpointAddress; 294 else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 295 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 296 uca.bulkout = ed->bEndpointAddress; 297 } 298 299 if (uca.bulkin == -1 || uca.bulkout == -1) { 300 printf("%s: missing endpoint\n", sc->sc_dev.dv_xname); 301 usbd_deactivate(sc->sc_udev); 302 return; 303 } 304 305 uca.ibufsize = USLCOMBUFSZ; 306 uca.obufsize = USLCOMBUFSZ; 307 uca.ibufsizepad = USLCOMBUFSZ; 308 uca.opkthdrlen = 0; 309 uca.device = sc->sc_udev; 310 uca.iface = sc->sc_iface; 311 uca.methods = &uslcom_methods; 312 uca.arg = sc; 313 uca.info = NULL; 314 315 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 316 } 317 318 int 319 uslcom_detach(struct device *self, int flags) 320 { 321 struct uslcom_softc *sc = (struct uslcom_softc *)self; 322 int rv = 0; 323 324 if (sc->sc_subdev != NULL) { 325 rv = config_detach(sc->sc_subdev, flags); 326 sc->sc_subdev = NULL; 327 } 328 329 return (rv); 330 } 331 332 int 333 uslcom_open(void *vsc, int portno) 334 { 335 struct uslcom_softc *sc = vsc; 336 usb_device_request_t req; 337 usbd_status err; 338 339 if (usbd_is_dying(sc->sc_udev)) 340 return (EIO); 341 342 req.bmRequestType = USLCOM_WRITE; 343 req.bRequest = USLCOM_UART; 344 USETW(req.wValue, USLCOM_UART_ENABLE); 345 USETW(req.wIndex, portno); 346 USETW(req.wLength, 0); 347 err = usbd_do_request(sc->sc_udev, &req, NULL); 348 if (err) 349 return (EIO); 350 351 return (0); 352 } 353 354 void 355 uslcom_close(void *vsc, int portno) 356 { 357 struct uslcom_softc *sc = vsc; 358 usb_device_request_t req; 359 360 if (usbd_is_dying(sc->sc_udev)) 361 return; 362 363 req.bmRequestType = USLCOM_WRITE; 364 req.bRequest = USLCOM_UART; 365 USETW(req.wValue, USLCOM_UART_DISABLE); 366 USETW(req.wIndex, portno); 367 USETW(req.wLength, 0); 368 usbd_do_request(sc->sc_udev, &req, NULL); 369 } 370 371 void 372 uslcom_set(void *vsc, int portno, int reg, int onoff) 373 { 374 struct uslcom_softc *sc = vsc; 375 usb_device_request_t req; 376 int ctl; 377 378 switch (reg) { 379 case UCOM_SET_DTR: 380 ctl = onoff ? USLCOM_CTRL_DTR_ON : 0; 381 ctl |= USLCOM_CTRL_DTR_SET; 382 break; 383 case UCOM_SET_RTS: 384 ctl = onoff ? USLCOM_CTRL_RTS_ON : 0; 385 ctl |= USLCOM_CTRL_RTS_SET; 386 break; 387 case UCOM_SET_BREAK: 388 uslcom_break(sc, portno, onoff); 389 return; 390 default: 391 return; 392 } 393 req.bmRequestType = USLCOM_WRITE; 394 req.bRequest = USLCOM_CTRL; 395 USETW(req.wValue, ctl); 396 USETW(req.wIndex, portno); 397 USETW(req.wLength, 0); 398 usbd_do_request(sc->sc_udev, &req, NULL); 399 } 400 401 int 402 uslcom_param(void *vsc, int portno, struct termios *t) 403 { 404 struct uslcom_softc *sc = (struct uslcom_softc *)vsc; 405 usbd_status err; 406 usb_device_request_t req; 407 uint32_t baudrate, flowctrl[4]; 408 int data; 409 410 if (t->c_ospeed <= 0 || t->c_ospeed > 921600) 411 return (EINVAL); 412 413 baudrate = t->c_ospeed; 414 req.bmRequestType = USLCOM_WRITE; 415 req.bRequest = USLCOM_SET_BAUD_RATE; 416 USETW(req.wValue, 0); 417 USETW(req.wIndex, portno); 418 USETW(req.wLength, sizeof(baudrate)); 419 err = usbd_do_request(sc->sc_udev, &req, &baudrate); 420 if (err) 421 return (EIO); 422 423 if (ISSET(t->c_cflag, CSTOPB)) 424 data = USLCOM_STOP_BITS_2; 425 else 426 data = USLCOM_STOP_BITS_1; 427 if (ISSET(t->c_cflag, PARENB)) { 428 if (ISSET(t->c_cflag, PARODD)) 429 data |= USLCOM_PARITY_ODD; 430 else 431 data |= USLCOM_PARITY_EVEN; 432 } else 433 data |= USLCOM_PARITY_NONE; 434 switch (ISSET(t->c_cflag, CSIZE)) { 435 case CS5: 436 data |= USLCOM_SET_DATA_BITS(5); 437 break; 438 case CS6: 439 data |= USLCOM_SET_DATA_BITS(6); 440 break; 441 case CS7: 442 data |= USLCOM_SET_DATA_BITS(7); 443 break; 444 case CS8: 445 data |= USLCOM_SET_DATA_BITS(8); 446 break; 447 } 448 449 req.bmRequestType = USLCOM_WRITE; 450 req.bRequest = USLCOM_DATA; 451 USETW(req.wValue, data); 452 USETW(req.wIndex, portno); 453 USETW(req.wLength, 0); 454 err = usbd_do_request(sc->sc_udev, &req, NULL); 455 if (err) 456 return (EIO); 457 458 if (ISSET(t->c_cflag, CRTSCTS)) { 459 /* rts/cts flow ctl */ 460 flowctrl[0] = htole32(USLCOM_FLOW_DTR_ON | USLCOM_FLOW_CTS_HS); 461 flowctrl[1] = htole32(USLCOM_FLOW_RTS_HS); 462 } else { 463 /* disable flow ctl */ 464 flowctrl[0] = htole32(USLCOM_FLOW_DTR_ON); 465 flowctrl[1] = htole32(USLCOM_FLOW_RTS_ON); 466 } 467 flowctrl[2] = 0; 468 flowctrl[3] = 0; 469 470 req.bmRequestType = USLCOM_WRITE; 471 req.bRequest = USLCOM_SET_FLOW; 472 USETW(req.wValue, 0); 473 USETW(req.wIndex, portno); 474 USETW(req.wLength, sizeof(flowctrl)); 475 err = usbd_do_request(sc->sc_udev, &req, flowctrl); 476 if (err) 477 return (EIO); 478 479 return (0); 480 } 481 482 void 483 uslcom_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 484 { 485 struct uslcom_softc *sc = vsc; 486 487 if (msr != NULL) 488 *msr = sc->sc_msr; 489 if (lsr != NULL) 490 *lsr = sc->sc_lsr; 491 } 492 493 void 494 uslcom_break(void *vsc, int portno, int onoff) 495 { 496 struct uslcom_softc *sc = vsc; 497 usb_device_request_t req; 498 int brk = onoff ? USLCOM_BREAK_ON : USLCOM_BREAK_OFF; 499 500 req.bmRequestType = USLCOM_WRITE; 501 req.bRequest = USLCOM_BREAK; 502 USETW(req.wValue, brk); 503 USETW(req.wIndex, portno); 504 USETW(req.wLength, 0); 505 usbd_do_request(sc->sc_udev, &req, NULL); 506 } 507