1 /* $OpenBSD: uslcom.c,v 1.34 2015/03/14 03:38:50 jsg 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/tty.h> 23 #include <sys/device.h> 24 25 #include <dev/usb/usb.h> 26 #include <dev/usb/usbdi.h> 27 #include <dev/usb/usbdi_util.h> 28 #include <dev/usb/usbdevs.h> 29 30 #include <dev/usb/ucomvar.h> 31 32 #ifdef USLCOM_DEBUG 33 #define DPRINTFN(n, x) do { if (uslcomdebug > (n)) printf x; } while (0) 34 int uslcomdebug = 0; 35 #else 36 #define DPRINTFN(n, x) 37 #endif 38 #define DPRINTF(x) DPRINTFN(0, x) 39 40 #define USLCOMBUFSZ 256 41 #define USLCOM_CONFIG_NO 0 42 #define USLCOM_IFACE_NO 0 43 44 #define USLCOM_SET_DATA_BITS(x) (x << 8) 45 46 #define USLCOM_WRITE 0x41 47 #define USLCOM_READ 0xc1 48 49 #define USLCOM_UART 0x00 50 #define USLCOM_SET_BAUD_DIV 0x01 51 #define USLCOM_DATA 0x03 52 #define USLCOM_BREAK 0x05 53 #define USLCOM_CTRL 0x07 54 #define USLCOM_SET_FLOW 0x13 55 #define USLCOM_SET_BAUD_RATE 0x1e 56 57 #define USLCOM_UART_DISABLE 0x00 58 #define USLCOM_UART_ENABLE 0x01 59 60 #define USLCOM_CTRL_DTR_ON 0x0001 61 #define USLCOM_CTRL_DTR_SET 0x0100 62 #define USLCOM_CTRL_RTS_ON 0x0002 63 #define USLCOM_CTRL_RTS_SET 0x0200 64 #define USLCOM_CTRL_CTS 0x0010 65 #define USLCOM_CTRL_DSR 0x0020 66 #define USLCOM_CTRL_DCD 0x0080 67 68 #define USLCOM_BAUD_REF 3686400 /* 3.6864 MHz */ 69 70 #define USLCOM_STOP_BITS_1 0x00 71 #define USLCOM_STOP_BITS_2 0x02 72 73 #define USLCOM_PARITY_NONE 0x00 74 #define USLCOM_PARITY_ODD 0x10 75 #define USLCOM_PARITY_EVEN 0x20 76 77 #define USLCOM_BREAK_OFF 0x00 78 #define USLCOM_BREAK_ON 0x01 79 80 /* USLCOM_SET_FLOW values - 1st word */ 81 #define USLCOM_FLOW_DTR_ON 0x00000001 /* DTR static active */ 82 #define USLCOM_FLOW_CTS_HS 0x00000008 /* CTS handshake */ 83 /* USLCOM_SET_FLOW values - 2nd word */ 84 #define USLCOM_FLOW_RTS_ON 0x00000040 /* RTS static active */ 85 #define USLCOM_FLOW_RTS_HS 0x00000080 /* RTS handshake */ 86 87 struct uslcom_softc { 88 struct device sc_dev; 89 struct usbd_device *sc_udev; 90 struct usbd_interface *sc_iface; 91 struct device *sc_subdev; 92 93 u_char sc_msr; 94 u_char sc_lsr; 95 }; 96 97 void uslcom_get_status(void *, int portno, u_char *lsr, u_char *msr); 98 void uslcom_set(void *, int, int, int); 99 int uslcom_param(void *, int, struct termios *); 100 int uslcom_open(void *sc, int portno); 101 void uslcom_close(void *, int); 102 void uslcom_break(void *sc, int portno, int onoff); 103 104 struct ucom_methods uslcom_methods = { 105 uslcom_get_status, 106 uslcom_set, 107 uslcom_param, 108 NULL, 109 uslcom_open, 110 uslcom_close, 111 NULL, 112 NULL, 113 }; 114 115 static const struct usb_devno uslcom_devs[] = { 116 { USB_VENDOR_BALTECH, USB_PRODUCT_BALTECH_CARDREADER }, 117 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_5000CT2 }, 118 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_5500PACA }, 119 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_5500PCU }, 120 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_560884 }, 121 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_5800PC }, 122 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_C5000CT2 }, 123 { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_L51xx }, 124 { USB_VENDOR_DATAAPEX, USB_PRODUCT_DATAAPEX_MULTICOM }, 125 { USB_VENDOR_DELL, USB_PRODUCT_DELL_DW700 }, 126 { USB_VENDOR_DIGIANSWER, USB_PRODUCT_DIGIANSWER_ZIGBEE802154 }, 127 { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANT2USB }, 128 { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANTDEVBOARD }, 129 { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANTDEVBOARD2 }, 130 { USB_VENDOR_ELV, USB_PRODUCT_ELV_USBI2C }, 131 { USB_VENDOR_FESTO, USB_PRODUCT_FESTO_CMSP }, 132 { USB_VENDOR_FESTO, USB_PRODUCT_FESTO_CPX_USB }, 133 { USB_VENDOR_FOXCONN, USB_PRODUCT_FOXCONN_PIRELLI_DP_L10 }, 134 { USB_VENDOR_FOXCONN, USB_PRODUCT_FOXCONN_TCOM_TC_300 }, 135 { USB_VENDOR_GEMPLUS, USB_PRODUCT_GEMPLUS_PROXPU }, 136 { USB_VENDOR_JABLOTRON, USB_PRODUCT_JABLOTRON_PC60B }, 137 { USB_VENDOR_KAMSTRUP, USB_PRODUCT_KAMSTRUP_MBUS_250D }, 138 { USB_VENDOR_KAMSTRUP, USB_PRODUCT_KAMSTRUP_OPTICALEYE }, 139 { USB_VENDOR_LINKINSTRUMENTS, USB_PRODUCT_LINKINSTRUMENTS_MSO19 }, 140 { USB_VENDOR_LINKINSTRUMENTS, USB_PRODUCT_LINKINSTRUMENTS_MSO28 }, 141 { USB_VENDOR_LINKINSTRUMENTS, USB_PRODUCT_LINKINSTRUMENTS_MSO28_2 }, 142 { USB_VENDOR_MEI, USB_PRODUCT_MEI_CASHFLOW_SC }, 143 { USB_VENDOR_MEI, USB_PRODUCT_MEI_S2000 }, 144 { USB_VENDOR_OWEN, USB_PRODUCT_OWEN_AC4 }, 145 { USB_VENDOR_PHILIPS, USB_PRODUCT_PHILIPS_ACE1001 }, 146 { USB_VENDOR_RENESAS, USB_PRODUCT_RENESAS_RX610 }, 147 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AC_SERV_CAN }, 148 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AC_SERV_CIS }, 149 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AC_SERV_IBUS }, 150 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AC_SERV_OBD }, 151 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AEROCOMM }, 152 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AMBER_AMB2560 }, 153 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARGUSISP }, 154 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARKHAM_DS101_A }, 155 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARKHAM_DS101_M }, 156 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARYGON_MIFARE }, 157 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AVIT_USB_TTL }, 158 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_BALLUFF_RFID }, 159 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_BEI_VCP }, 160 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_BSM7DUSB }, 161 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_B_G_H3000 }, 162 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_C2_EDGE_MODEM }, 163 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_1 }, 164 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_2 }, 165 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_3 }, 166 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CRUMB128 }, 167 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CYGNAL }, 168 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CYGNAL_DEBUG }, 169 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CYGNAL_GPS }, 170 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DEGREECONT }, 171 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DEKTEK_DTAPLUS }, 172 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DESKTOPMOBILE }, 173 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_EDG1228 }, 174 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_EMS_C1007 }, 175 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_HAMLINKUSB }, 176 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IMS_USB_RS422 }, 177 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_INFINITY_MIC }, 178 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_INSYS_MODEM }, 179 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IPLINK1220 }, 180 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IRZ_SG10 }, 181 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_KYOCERA_GPS }, 182 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_HARP }, 183 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_JTAG }, 184 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_LIN }, 185 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MC35PU }, 186 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MJS_TOSLINK }, 187 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MSD_DASHHAWK }, 188 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MULTIPLEX_RC }, 189 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_OPTRIS_MSPRO }, 190 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_POLOLU }, 191 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_PROCYON_AVS }, 192 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_RIGBLASTER }, 193 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_RIGTALK }, 194 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SB_PARAMOUNT_ME }, 195 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SUUNTO }, 196 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TAMSMASTER }, 197 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TELEGESIS_ETRX2 }, 198 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TRACIENT }, 199 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TRAQMATE }, 200 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_USBCOUNT50 }, 201 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_USBPULSE100 }, 202 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_USBSCOPE50 }, 203 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_USBWAVE12 }, 204 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_VSTABI }, 205 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_WAVIT }, 206 { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ZEPHYR_BIO }, 207 { USB_VENDOR_SILABS2, USB_PRODUCT_SILABS2_DCU11CLONE }, 208 { USB_VENDOR_SILABS3, USB_PRODUCT_SILABS3_GPRS_MODEM }, 209 { USB_VENDOR_SILABS4, USB_PRODUCT_SILABS4_100EU_MODEM }, 210 { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_CIPHERLAB100 }, 211 { USB_VENDOR_USI, USB_PRODUCT_USI_MC60 }, 212 { USB_VENDOR_VAISALA, USB_PRODUCT_VAISALA_USBINSTCABLE }, 213 { USB_VENDOR_WAGO, USB_PRODUCT_WAGO_SERVICECABLE }, 214 { USB_VENDOR_WAVESENSE, USB_PRODUCT_WAVESENSE_JAZZ }, 215 { USB_VENDOR_WIENERPLEINBAUS, USB_PRODUCT_WIENERPLEINBAUS_CML }, 216 { USB_VENDOR_WIENERPLEINBAUS, USB_PRODUCT_WIENERPLEINBAUS_MPOD }, 217 { USB_VENDOR_WIENERPLEINBAUS, USB_PRODUCT_WIENERPLEINBAUS_PL512 }, 218 { USB_VENDOR_WIENERPLEINBAUS, USB_PRODUCT_WIENERPLEINBAUS_RCM }, 219 }; 220 221 int uslcom_match(struct device *, void *, void *); 222 void uslcom_attach(struct device *, struct device *, void *); 223 int uslcom_detach(struct device *, int); 224 225 struct cfdriver uslcom_cd = { 226 NULL, "uslcom", DV_DULL 227 }; 228 229 const struct cfattach uslcom_ca = { 230 sizeof(struct uslcom_softc), uslcom_match, uslcom_attach, uslcom_detach 231 }; 232 233 int 234 uslcom_match(struct device *parent, void *match, void *aux) 235 { 236 struct usb_attach_arg *uaa = aux; 237 238 if (uaa->iface != NULL) 239 return UMATCH_NONE; 240 241 return (usb_lookup(uslcom_devs, uaa->vendor, uaa->product) != NULL) ? 242 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 243 } 244 245 void 246 uslcom_attach(struct device *parent, struct device *self, void *aux) 247 { 248 struct uslcom_softc *sc = (struct uslcom_softc *)self; 249 struct usb_attach_arg *uaa = aux; 250 struct ucom_attach_args uca; 251 usb_interface_descriptor_t *id; 252 usb_endpoint_descriptor_t *ed; 253 usbd_status error; 254 int i; 255 256 bzero(&uca, sizeof(uca)); 257 sc->sc_udev = uaa->device; 258 259 if (usbd_set_config_index(sc->sc_udev, USLCOM_CONFIG_NO, 1) != 0) { 260 printf("%s: could not set configuration no\n", 261 sc->sc_dev.dv_xname); 262 usbd_deactivate(sc->sc_udev); 263 return; 264 } 265 266 /* get the first interface handle */ 267 error = usbd_device2interface_handle(sc->sc_udev, USLCOM_IFACE_NO, 268 &sc->sc_iface); 269 if (error != 0) { 270 printf("%s: could not get interface handle\n", 271 sc->sc_dev.dv_xname); 272 usbd_deactivate(sc->sc_udev); 273 return; 274 } 275 276 id = usbd_get_interface_descriptor(sc->sc_iface); 277 278 uca.bulkin = uca.bulkout = -1; 279 for (i = 0; i < id->bNumEndpoints; i++) { 280 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 281 if (ed == NULL) { 282 printf("%s: no endpoint descriptor found for %d\n", 283 sc->sc_dev.dv_xname, i); 284 usbd_deactivate(sc->sc_udev); 285 return; 286 } 287 288 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 289 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 290 uca.bulkin = ed->bEndpointAddress; 291 else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 292 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 293 uca.bulkout = ed->bEndpointAddress; 294 } 295 296 if (uca.bulkin == -1 || uca.bulkout == -1) { 297 printf("%s: missing endpoint\n", sc->sc_dev.dv_xname); 298 usbd_deactivate(sc->sc_udev); 299 return; 300 } 301 302 uca.ibufsize = USLCOMBUFSZ; 303 uca.obufsize = USLCOMBUFSZ; 304 uca.ibufsizepad = USLCOMBUFSZ; 305 uca.opkthdrlen = 0; 306 uca.device = sc->sc_udev; 307 uca.iface = sc->sc_iface; 308 uca.methods = &uslcom_methods; 309 uca.arg = sc; 310 uca.info = NULL; 311 312 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 313 } 314 315 int 316 uslcom_detach(struct device *self, int flags) 317 { 318 struct uslcom_softc *sc = (struct uslcom_softc *)self; 319 int rv = 0; 320 321 if (sc->sc_subdev != NULL) { 322 rv = config_detach(sc->sc_subdev, flags); 323 sc->sc_subdev = NULL; 324 } 325 326 return (rv); 327 } 328 329 int 330 uslcom_open(void *vsc, int portno) 331 { 332 struct uslcom_softc *sc = vsc; 333 usb_device_request_t req; 334 usbd_status err; 335 336 if (usbd_is_dying(sc->sc_udev)) 337 return (EIO); 338 339 req.bmRequestType = USLCOM_WRITE; 340 req.bRequest = USLCOM_UART; 341 USETW(req.wValue, USLCOM_UART_ENABLE); 342 USETW(req.wIndex, portno); 343 USETW(req.wLength, 0); 344 err = usbd_do_request(sc->sc_udev, &req, NULL); 345 if (err) 346 return (EIO); 347 348 return (0); 349 } 350 351 void 352 uslcom_close(void *vsc, int portno) 353 { 354 struct uslcom_softc *sc = vsc; 355 usb_device_request_t req; 356 357 if (usbd_is_dying(sc->sc_udev)) 358 return; 359 360 req.bmRequestType = USLCOM_WRITE; 361 req.bRequest = USLCOM_UART; 362 USETW(req.wValue, USLCOM_UART_DISABLE); 363 USETW(req.wIndex, portno); 364 USETW(req.wLength, 0); 365 usbd_do_request(sc->sc_udev, &req, NULL); 366 } 367 368 void 369 uslcom_set(void *vsc, int portno, int reg, int onoff) 370 { 371 struct uslcom_softc *sc = vsc; 372 usb_device_request_t req; 373 int ctl; 374 375 switch (reg) { 376 case UCOM_SET_DTR: 377 ctl = onoff ? USLCOM_CTRL_DTR_ON : 0; 378 ctl |= USLCOM_CTRL_DTR_SET; 379 break; 380 case UCOM_SET_RTS: 381 ctl = onoff ? USLCOM_CTRL_RTS_ON : 0; 382 ctl |= USLCOM_CTRL_RTS_SET; 383 break; 384 case UCOM_SET_BREAK: 385 uslcom_break(sc, portno, onoff); 386 return; 387 default: 388 return; 389 } 390 req.bmRequestType = USLCOM_WRITE; 391 req.bRequest = USLCOM_CTRL; 392 USETW(req.wValue, ctl); 393 USETW(req.wIndex, portno); 394 USETW(req.wLength, 0); 395 usbd_do_request(sc->sc_udev, &req, NULL); 396 } 397 398 int 399 uslcom_param(void *vsc, int portno, struct termios *t) 400 { 401 struct uslcom_softc *sc = (struct uslcom_softc *)vsc; 402 usbd_status err; 403 usb_device_request_t req; 404 uint32_t baudrate, flowctrl[4]; 405 int data; 406 407 if (t->c_ospeed <= 0 || t->c_ospeed > 921600) 408 return (EINVAL); 409 410 baudrate = t->c_ospeed; 411 req.bmRequestType = USLCOM_WRITE; 412 req.bRequest = USLCOM_SET_BAUD_RATE; 413 USETW(req.wValue, 0); 414 USETW(req.wIndex, portno); 415 USETW(req.wLength, sizeof(baudrate)); 416 err = usbd_do_request(sc->sc_udev, &req, &baudrate); 417 if (err) 418 return (EIO); 419 420 if (ISSET(t->c_cflag, CSTOPB)) 421 data = USLCOM_STOP_BITS_2; 422 else 423 data = USLCOM_STOP_BITS_1; 424 if (ISSET(t->c_cflag, PARENB)) { 425 if (ISSET(t->c_cflag, PARODD)) 426 data |= USLCOM_PARITY_ODD; 427 else 428 data |= USLCOM_PARITY_EVEN; 429 } else 430 data |= USLCOM_PARITY_NONE; 431 switch (ISSET(t->c_cflag, CSIZE)) { 432 case CS5: 433 data |= USLCOM_SET_DATA_BITS(5); 434 break; 435 case CS6: 436 data |= USLCOM_SET_DATA_BITS(6); 437 break; 438 case CS7: 439 data |= USLCOM_SET_DATA_BITS(7); 440 break; 441 case CS8: 442 data |= USLCOM_SET_DATA_BITS(8); 443 break; 444 } 445 446 req.bmRequestType = USLCOM_WRITE; 447 req.bRequest = USLCOM_DATA; 448 USETW(req.wValue, data); 449 USETW(req.wIndex, portno); 450 USETW(req.wLength, 0); 451 err = usbd_do_request(sc->sc_udev, &req, NULL); 452 if (err) 453 return (EIO); 454 455 if (ISSET(t->c_cflag, CRTSCTS)) { 456 /* rts/cts flow ctl */ 457 flowctrl[0] = htole32(USLCOM_FLOW_DTR_ON | USLCOM_FLOW_CTS_HS); 458 flowctrl[1] = htole32(USLCOM_FLOW_RTS_HS); 459 } else { 460 /* disable flow ctl */ 461 flowctrl[0] = htole32(USLCOM_FLOW_DTR_ON); 462 flowctrl[1] = htole32(USLCOM_FLOW_RTS_ON); 463 } 464 flowctrl[2] = 0; 465 flowctrl[3] = 0; 466 467 req.bmRequestType = USLCOM_WRITE; 468 req.bRequest = USLCOM_SET_FLOW; 469 USETW(req.wValue, 0); 470 USETW(req.wIndex, portno); 471 USETW(req.wLength, sizeof(flowctrl)); 472 err = usbd_do_request(sc->sc_udev, &req, flowctrl); 473 if (err) 474 return (EIO); 475 476 return (0); 477 } 478 479 void 480 uslcom_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 481 { 482 struct uslcom_softc *sc = vsc; 483 484 if (msr != NULL) 485 *msr = sc->sc_msr; 486 if (lsr != NULL) 487 *lsr = sc->sc_lsr; 488 } 489 490 void 491 uslcom_break(void *vsc, int portno, int onoff) 492 { 493 struct uslcom_softc *sc = vsc; 494 usb_device_request_t req; 495 int brk = onoff ? USLCOM_BREAK_ON : USLCOM_BREAK_OFF; 496 497 req.bmRequestType = USLCOM_WRITE; 498 req.bRequest = USLCOM_BREAK; 499 USETW(req.wValue, brk); 500 USETW(req.wIndex, portno); 501 USETW(req.wLength, 0); 502 usbd_do_request(sc->sc_udev, &req, NULL); 503 } 504