/* $OpenBSD: uslcom.c,v 1.44 2022/04/09 20:07:44 naddy Exp $ */ /* * Copyright (c) 2006 Jonathan Gray * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include #include #ifdef USLCOM_DEBUG #define DPRINTFN(n, x) do { if (uslcomdebug > (n)) printf x; } while (0) int uslcomdebug = 0; #else #define DPRINTFN(n, x) #endif #define DPRINTF(x) DPRINTFN(0, x) #define USLCOMBUFSZ 256 #define USLCOM_SET_DATA_BITS(x) (x << 8) #define USLCOM_WRITE 0x41 #define USLCOM_READ 0xc1 #define USLCOM_UART 0x00 #define USLCOM_SET_BAUD_DIV 0x01 #define USLCOM_DATA 0x03 #define USLCOM_BREAK 0x05 #define USLCOM_CTRL 0x07 #define USLCOM_SET_FLOW 0x13 #define USLCOM_SET_BAUD_RATE 0x1e #define USLCOM_UART_DISABLE 0x00 #define USLCOM_UART_ENABLE 0x01 #define USLCOM_CTRL_DTR_ON 0x0001 #define USLCOM_CTRL_DTR_SET 0x0100 #define USLCOM_CTRL_RTS_ON 0x0002 #define USLCOM_CTRL_RTS_SET 0x0200 #define USLCOM_CTRL_CTS 0x0010 #define USLCOM_CTRL_DSR 0x0020 #define USLCOM_CTRL_DCD 0x0080 #define USLCOM_BAUD_REF 3686400 /* 3.6864 MHz */ #define USLCOM_STOP_BITS_1 0x00 #define USLCOM_STOP_BITS_2 0x02 #define USLCOM_PARITY_NONE 0x00 #define USLCOM_PARITY_ODD 0x10 #define USLCOM_PARITY_EVEN 0x20 #define USLCOM_BREAK_OFF 0x00 #define USLCOM_BREAK_ON 0x01 /* USLCOM_SET_FLOW values - 1st word */ #define USLCOM_FLOW_DTR_ON 0x00000001 /* DTR static active */ #define USLCOM_FLOW_CTS_HS 0x00000008 /* CTS handshake */ /* USLCOM_SET_FLOW values - 2nd word */ #define USLCOM_FLOW_RTS_ON 0x00000040 /* RTS static active */ #define USLCOM_FLOW_RTS_HS 0x00000080 /* RTS handshake */ struct uslcom_softc { struct device sc_dev; struct usbd_device *sc_udev; struct usbd_interface *sc_iface; struct device *sc_subdev; u_char sc_msr; u_char sc_lsr; }; void uslcom_get_status(void *, int portno, u_char *lsr, u_char *msr); void uslcom_set(void *, int, int, int); int uslcom_param(void *, int, struct termios *); int uslcom_open(void *sc, int portno); void uslcom_close(void *, int); void uslcom_break(void *sc, int portno, int onoff); const struct ucom_methods uslcom_methods = { uslcom_get_status, uslcom_set, uslcom_param, NULL, uslcom_open, uslcom_close, NULL, NULL, }; static const struct usb_devno uslcom_devs[] = { { USB_VENDOR_ARUBA, USB_PRODUCT_ARUBA_CP210X }, { USB_VENDOR_BALTECH, USB_PRODUCT_BALTECH_CARDREADER }, { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_5000CT2 }, { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_5500PACA }, { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_5500PCU }, { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_560884 }, { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_5800PC }, { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_C5000CT2 }, { USB_VENDOR_CLIPSAL, USB_PRODUCT_CLIPSAL_L51XX }, { USB_VENDOR_CORSAIR, USB_PRODUCT_CORSAIR_CP210X }, { USB_VENDOR_DATAAPEX, USB_PRODUCT_DATAAPEX_MULTICOM }, { USB_VENDOR_DELL, USB_PRODUCT_DELL_DW700 }, { USB_VENDOR_DIGIANSWER, USB_PRODUCT_DIGIANSWER_ZIGBEE802154 }, { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANT2USB }, { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANTDEVBOARD }, { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANTDEVBOARD2 }, { USB_VENDOR_ELV, USB_PRODUCT_ELV_USBI2C }, { USB_VENDOR_FESTO, USB_PRODUCT_FESTO_CMSP }, { USB_VENDOR_FESTO, USB_PRODUCT_FESTO_CPX_USB }, { USB_VENDOR_FOXCONN, USB_PRODUCT_FOXCONN_PIRELLI_DP_L10 }, { USB_VENDOR_FOXCONN, USB_PRODUCT_FOXCONN_TCOM_TC_300 }, { USB_VENDOR_GEMPLUS, USB_PRODUCT_GEMPLUS_PROXPU }, { USB_VENDOR_JABLOTRON, USB_PRODUCT_JABLOTRON_PC60B }, { USB_VENDOR_KAMSTRUP, USB_PRODUCT_KAMSTRUP_MBUS_250D }, { USB_VENDOR_KAMSTRUP, USB_PRODUCT_KAMSTRUP_OPTICALEYE }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M121 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M218A }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M219 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M233 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M235 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M335 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M336 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M350 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M371 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M411 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M425 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M455A }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M465 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M475A }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M625A }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M642A }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M648 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M737 }, { USB_VENDOR_LAKESHORE, USB_PRODUCT_LAKESHORE_M776 }, { USB_VENDOR_LINKINSTRUMENTS, USB_PRODUCT_LINKINSTRUMENTS_MSO19 }, { USB_VENDOR_LINKINSTRUMENTS, USB_PRODUCT_LINKINSTRUMENTS_MSO28 }, { USB_VENDOR_LINKINSTRUMENTS, USB_PRODUCT_LINKINSTRUMENTS_MSO28_2 }, { USB_VENDOR_MEI, USB_PRODUCT_MEI_CASHFLOW_SC }, { USB_VENDOR_MEI, USB_PRODUCT_MEI_S2000 }, { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_M7100 }, { USB_VENDOR_OREGONSCI, USB_PRODUCT_OREGONSCI_OWL_CM160 }, { USB_VENDOR_OWEN, USB_PRODUCT_OWEN_AC4 }, { USB_VENDOR_PHILIPS, USB_PRODUCT_PHILIPS_ACE1001 }, { USB_VENDOR_RENESAS, USB_PRODUCT_RENESAS_RX610 }, { USB_VENDOR_SEL, USB_PRODUCT_SEL_C662 }, { USB_VENDOR_SELUXIT, USB_PRODUCT_SELUXIT_RF }, { USB_VENDOR_SIEMENS4, USB_PRODUCT_SIEMENS4_RUGGEDCOM }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AC_SERV_CAN }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AC_SERV_CIS }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AC_SERV_IBUS }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AC_SERV_OBD }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AEROCOMM }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AMBER_AMB2560 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARGUSISP }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARKHAM_DS101_A }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARKHAM_DS101_M }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARYGON_MIFARE }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_AVIT_USB_TTL }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_BALLUFF_RFID }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_BEI_VCP }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_BSM7DUSB }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_B_G_H3000 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_C2_EDGE_MODEM }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CELDEVKIT }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_1 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_2 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_3 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CRUMB128 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CYGNAL }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CYGNAL_DEBUG }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CYGNAL_GPS }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DEGREECONT }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DEKTEK_DTAPLUS }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DESKTOPMOBILE }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_EDG1228 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_EM357 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_EM357LR }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_EMS_C1007 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_GSM2228 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_HAMLINKUSB }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_HUBZ }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IMS_USB_RS422 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_INFINITY_MIC }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_INSYS_MODEM }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IPLINK1220 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_IRZ_SG10 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_JUNIPER_BX_CONS }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_KCF_PRN }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_KETRA_N1 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_KYOCERA_GPS }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_HARP }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_JTAG }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_LIN }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MC35PU }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MJS_TOSLINK }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MMB_ZIGBEE }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MSD_DASHHAWK }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_MULTIPLEX_RC }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_OPTRIS_MSPRO }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_PII_ZIGBEE }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_PLUGDRIVE }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_POLOLU }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_PREON32 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_PROCYON_AVS }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_RIGBLASTER }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_RIGTALK }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SB_PARAMOUNT_ME }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SB_PARAMOUNT_ME2 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SUUNTO }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TAMSMASTER }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TELEGESIS_ETRX2 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TRACIENT }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TRAQMATE }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_USBCOUNT50 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_USBPULSE100 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_USBSCOPE50 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_USBWAVE12 }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_VSTABI }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_WAVIT }, { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ZEPHYR_BIO }, { USB_VENDOR_SILABS2, USB_PRODUCT_SILABS2_DCU11CLONE }, { USB_VENDOR_SILABS3, USB_PRODUCT_SILABS3_GPRS_MODEM }, { USB_VENDOR_SILABS4, USB_PRODUCT_SILABS4_100EU_MODEM }, { USB_VENDOR_SILABS5, USB_PRODUCT_SILABS5_EM358X }, { USB_VENDOR_SYNTECH, USB_PRODUCT_SYNTECH_CIPHERLAB100 }, { USB_VENDOR_USI, USB_PRODUCT_USI_MC60 }, { USB_VENDOR_VAISALA, USB_PRODUCT_VAISALA_USBINSTCABLE }, { USB_VENDOR_VOTI, USB_PRODUCT_VOTI_SELETEK_1 }, { USB_VENDOR_VOTI, USB_PRODUCT_VOTI_SELETEK_2 }, { USB_VENDOR_WAGO, USB_PRODUCT_WAGO_SERVICECABLE }, { USB_VENDOR_WAVESENSE, USB_PRODUCT_WAVESENSE_JAZZ }, { USB_VENDOR_WIENERPLEINBAUS, USB_PRODUCT_WIENERPLEINBAUS_CML }, { USB_VENDOR_WIENERPLEINBAUS, USB_PRODUCT_WIENERPLEINBAUS_MPOD }, { USB_VENDOR_WIENERPLEINBAUS, USB_PRODUCT_WIENERPLEINBAUS_PL512 }, { USB_VENDOR_WIENERPLEINBAUS, USB_PRODUCT_WIENERPLEINBAUS_RCM }, { USB_VENDOR_WMR, USB_PRODUCT_WMR_RIGBLASTER }, }; int uslcom_match(struct device *, void *, void *); void uslcom_attach(struct device *, struct device *, void *); int uslcom_detach(struct device *, int); struct cfdriver uslcom_cd = { NULL, "uslcom", DV_DULL }; const struct cfattach uslcom_ca = { sizeof(struct uslcom_softc), uslcom_match, uslcom_attach, uslcom_detach }; int uslcom_match(struct device *parent, void *match, void *aux) { struct usb_attach_arg *uaa = aux; if (uaa->iface == NULL) return UMATCH_NONE; return (usb_lookup(uslcom_devs, uaa->vendor, uaa->product) != NULL) ? UMATCH_VENDOR_PRODUCT : UMATCH_NONE; } void uslcom_attach(struct device *parent, struct device *self, void *aux) { struct uslcom_softc *sc = (struct uslcom_softc *)self; struct usb_attach_arg *uaa = aux; struct ucom_attach_args uca; usb_interface_descriptor_t *id; usb_endpoint_descriptor_t *ed; int i; bzero(&uca, sizeof(uca)); sc->sc_udev = uaa->device; sc->sc_iface = uaa->iface; id = usbd_get_interface_descriptor(sc->sc_iface); uca.bulkin = uca.bulkout = -1; for (i = 0; i < id->bNumEndpoints; i++) { ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); if (ed == NULL) { printf("%s: no endpoint descriptor found for %d\n", sc->sc_dev.dv_xname, i); usbd_deactivate(sc->sc_udev); return; } if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) uca.bulkin = ed->bEndpointAddress; else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) uca.bulkout = ed->bEndpointAddress; } if (uca.bulkin == -1 || uca.bulkout == -1) { printf("%s: missing endpoint\n", sc->sc_dev.dv_xname); usbd_deactivate(sc->sc_udev); return; } uca.portno = id->bInterfaceNumber; uca.ibufsize = USLCOMBUFSZ; uca.obufsize = USLCOMBUFSZ; uca.ibufsizepad = USLCOMBUFSZ; uca.opkthdrlen = 0; uca.device = sc->sc_udev; uca.iface = sc->sc_iface; uca.methods = &uslcom_methods; uca.arg = sc; uca.info = NULL; sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); } int uslcom_detach(struct device *self, int flags) { struct uslcom_softc *sc = (struct uslcom_softc *)self; int rv = 0; if (sc->sc_subdev != NULL) { rv = config_detach(sc->sc_subdev, flags); sc->sc_subdev = NULL; } return (rv); } int uslcom_open(void *vsc, int portno) { struct uslcom_softc *sc = vsc; usb_device_request_t req; usbd_status err; if (usbd_is_dying(sc->sc_udev)) return (EIO); req.bmRequestType = USLCOM_WRITE; req.bRequest = USLCOM_UART; USETW(req.wValue, USLCOM_UART_ENABLE); USETW(req.wIndex, portno); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) return (EIO); return (0); } void uslcom_close(void *vsc, int portno) { struct uslcom_softc *sc = vsc; usb_device_request_t req; if (usbd_is_dying(sc->sc_udev)) return; req.bmRequestType = USLCOM_WRITE; req.bRequest = USLCOM_UART; USETW(req.wValue, USLCOM_UART_DISABLE); USETW(req.wIndex, portno); USETW(req.wLength, 0); usbd_do_request(sc->sc_udev, &req, NULL); } void uslcom_set(void *vsc, int portno, int reg, int onoff) { struct uslcom_softc *sc = vsc; usb_device_request_t req; int ctl; switch (reg) { case UCOM_SET_DTR: ctl = onoff ? USLCOM_CTRL_DTR_ON : 0; ctl |= USLCOM_CTRL_DTR_SET; break; case UCOM_SET_RTS: ctl = onoff ? USLCOM_CTRL_RTS_ON : 0; ctl |= USLCOM_CTRL_RTS_SET; break; case UCOM_SET_BREAK: uslcom_break(sc, portno, onoff); return; default: return; } req.bmRequestType = USLCOM_WRITE; req.bRequest = USLCOM_CTRL; USETW(req.wValue, ctl); USETW(req.wIndex, portno); USETW(req.wLength, 0); usbd_do_request(sc->sc_udev, &req, NULL); } int uslcom_param(void *vsc, int portno, struct termios *t) { struct uslcom_softc *sc = (struct uslcom_softc *)vsc; usbd_status err; usb_device_request_t req; uint32_t baudrate, flowctrl[4]; int data; if (t->c_ospeed <= 0 || t->c_ospeed > 2000000) return (EINVAL); baudrate = t->c_ospeed; req.bmRequestType = USLCOM_WRITE; req.bRequest = USLCOM_SET_BAUD_RATE; USETW(req.wValue, 0); USETW(req.wIndex, portno); USETW(req.wLength, sizeof(baudrate)); err = usbd_do_request(sc->sc_udev, &req, &baudrate); if (err) return (EIO); if (ISSET(t->c_cflag, CSTOPB)) data = USLCOM_STOP_BITS_2; else data = USLCOM_STOP_BITS_1; if (ISSET(t->c_cflag, PARENB)) { if (ISSET(t->c_cflag, PARODD)) data |= USLCOM_PARITY_ODD; else data |= USLCOM_PARITY_EVEN; } else data |= USLCOM_PARITY_NONE; switch (ISSET(t->c_cflag, CSIZE)) { case CS5: data |= USLCOM_SET_DATA_BITS(5); break; case CS6: data |= USLCOM_SET_DATA_BITS(6); break; case CS7: data |= USLCOM_SET_DATA_BITS(7); break; case CS8: data |= USLCOM_SET_DATA_BITS(8); break; } req.bmRequestType = USLCOM_WRITE; req.bRequest = USLCOM_DATA; USETW(req.wValue, data); USETW(req.wIndex, portno); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) return (EIO); if (ISSET(t->c_cflag, CRTSCTS)) { /* rts/cts flow ctl */ flowctrl[0] = htole32(USLCOM_FLOW_DTR_ON | USLCOM_FLOW_CTS_HS); flowctrl[1] = htole32(USLCOM_FLOW_RTS_HS); } else { /* disable flow ctl */ flowctrl[0] = htole32(USLCOM_FLOW_DTR_ON); flowctrl[1] = htole32(USLCOM_FLOW_RTS_ON); } flowctrl[2] = 0; flowctrl[3] = 0; req.bmRequestType = USLCOM_WRITE; req.bRequest = USLCOM_SET_FLOW; USETW(req.wValue, 0); USETW(req.wIndex, portno); USETW(req.wLength, sizeof(flowctrl)); err = usbd_do_request(sc->sc_udev, &req, flowctrl); if (err) return (EIO); return (0); } void uslcom_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) { struct uslcom_softc *sc = vsc; if (msr != NULL) *msr = sc->sc_msr; if (lsr != NULL) *lsr = sc->sc_lsr; } void uslcom_break(void *vsc, int portno, int onoff) { struct uslcom_softc *sc = vsc; usb_device_request_t req; int brk = onoff ? USLCOM_BREAK_ON : USLCOM_BREAK_OFF; req.bmRequestType = USLCOM_WRITE; req.bRequest = USLCOM_BREAK; USETW(req.wValue, brk); USETW(req.wIndex, portno); USETW(req.wLength, 0); usbd_do_request(sc->sc_udev, &req, NULL); }