/* $NetBSD: uftdi.c,v 1.70.2.1 2024/04/28 13:29:40 martin Exp $ */ /* * Copyright (c) 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson (lennart@augustsson.net). * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: uftdi.c,v 1.70.2.1 2024/04/28 13:29:40 martin Exp $"); #ifdef _KERNEL_OPT #include "opt_usb.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #ifdef UFTDI_DEBUG #define DPRINTF(x) if (uftdidebug) printf x #define DPRINTFN(n,x) if (uftdidebug>(n)) printf x int uftdidebug = 0; #else #define DPRINTF(x) #define DPRINTFN(n,x) #endif #define UFTDI_CONFIG_NO 1 /* * These are the default number of bytes transferred per frame if the * endpoint doesn't tell us. The output buffer size is a hard limit * for devices that use a 6-bit size encoding. */ #define UFTDIIBUFSIZE 64 #define UFTDIOBUFSIZE 64 /* * Magic constants! Where do these come from? They're what Linux uses... */ #define UFTDI_MAX_IBUFSIZE 512 #define UFTDI_MAX_OBUFSIZE 256 struct uftdi_softc { device_t sc_dev; /* base device */ struct usbd_device * sc_udev; /* device */ struct usbd_interface * sc_iface; /* interface */ int sc_iface_no; enum uftdi_type sc_type; u_int sc_hdrlen; u_int sc_chiptype; u_char sc_msr; u_char sc_lsr; device_t sc_subdev; bool sc_dying; u_int last_lcr; }; static void uftdi_get_status(void *, int, u_char *, u_char *); static void uftdi_set(void *, int, int, int); static int uftdi_param(void *, int, struct termios *); static int uftdi_open(void *, int); static void uftdi_read(void *, int, u_char **, uint32_t *); static void uftdi_write(void *, int, u_char *, u_char *, uint32_t *); static void uftdi_break(void *, int, int); struct ucom_methods uftdi_methods = { .ucom_get_status = uftdi_get_status, .ucom_set = uftdi_set, .ucom_param = uftdi_param, .ucom_open = uftdi_open, .ucom_read = uftdi_read, .ucom_write = uftdi_write, }; /* * The devices default to UFTDI_TYPE_8U232AM. * Remember to update uftdi_attach() if it should be UFTDI_TYPE_SIO instead */ static const struct usb_devno uftdi_devs[] = { { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US101 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US159 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US235 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US257 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US279_12 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US279_34 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US279_56 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US279_78 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US313 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US320 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US324 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US346_12 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US346_34 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US701_12 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US701_34 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US842_12 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US842_34 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US842_56 }, { USB_VENDOR_BRAINBOXES, USB_PRODUCT_BRAINBOXES_US842_78 }, { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST }, { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_230X }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232H }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232RL }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_4232H }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_485_MINI }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_NANO_485 }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_OPENRD_JTAGKEY }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_BEAGLEBONE }, { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MAXSTREAM_PKG_U }, { USB_VENDOR_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG }, { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_PCOPRS1 }, { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, { USB_VENDOR_RTSYS, USB_PRODUCT_RTSYS_CT57A }, { USB_VENDOR_RTSYS, USB_PRODUCT_RTSYS_RTS03 }, { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, }; #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) static int uftdi_match(device_t, cfdata_t, void *); static void uftdi_attach(device_t, device_t, void *); static void uftdi_childdet(device_t, device_t); static int uftdi_detach(device_t, int); CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, uftdi_attach, uftdi_detach, NULL, NULL, uftdi_childdet); static int uftdi_match(device_t parent, cfdata_t match, void *aux) { struct usbif_attach_arg *uiaa = aux; DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n", uiaa->uiaa_vendor, uiaa->uiaa_product)); if (uiaa->uiaa_configno != UFTDI_CONFIG_NO) return UMATCH_NONE; return uftdi_lookup(uiaa->uiaa_vendor, uiaa->uiaa_product) != NULL ? UMATCH_VENDOR_PRODUCT_CONF_IFACE : UMATCH_NONE; } static void uftdi_attach(device_t parent, device_t self, void *aux) { struct uftdi_softc *sc = device_private(self); struct usbif_attach_arg *uiaa = aux; struct usbd_device *dev = uiaa->uiaa_device; struct usbd_interface *iface = uiaa->uiaa_iface; usb_device_descriptor_t *ddesc; usb_interface_descriptor_t *id; usb_endpoint_descriptor_t *ed; char *devinfop; int i; struct ucom_attach_args ucaa; DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc)); aprint_naive("\n"); aprint_normal("\n"); devinfop = usbd_devinfo_alloc(dev, 0); aprint_normal_dev(self, "%s\n", devinfop); usbd_devinfo_free(devinfop); sc->sc_dev = self; sc->sc_udev = dev; sc->sc_dying = false; sc->sc_iface_no = uiaa->uiaa_ifaceno; sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ sc->sc_hdrlen = 0; if (uiaa->uiaa_vendor == USB_VENDOR_FTDI && uiaa->uiaa_product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { sc->sc_type = UFTDI_TYPE_SIO; sc->sc_hdrlen = 1; } ddesc = usbd_get_device_descriptor(dev); sc->sc_chiptype = UGETW(ddesc->bcdDevice); id = usbd_get_interface_descriptor(iface); sc->sc_iface = iface; ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; ucaa.ucaa_ibufsize = ucaa.ucaa_obufsize = 0; for (i = 0; i < id->bNumEndpoints; i++) { int addr, dir, attr; ed = usbd_interface2endpoint_descriptor(iface, i); if (ed == NULL) { aprint_error_dev(self, "could not read endpoint descriptor\n"); goto bad; } addr = ed->bEndpointAddress; dir = UE_GET_DIR(ed->bEndpointAddress); attr = ed->bmAttributes & UE_XFERTYPE; if (dir == UE_DIR_IN && attr == UE_BULK) { ucaa.ucaa_bulkin = addr; ucaa.ucaa_ibufsize = UGETW(ed->wMaxPacketSize); if (ucaa.ucaa_ibufsize >= UFTDI_MAX_IBUFSIZE) ucaa.ucaa_ibufsize = UFTDI_MAX_IBUFSIZE; } else if (dir == UE_DIR_OUT && attr == UE_BULK) { ucaa.ucaa_bulkout = addr; ucaa.ucaa_obufsize = UGETW(ed->wMaxPacketSize) - sc->sc_hdrlen; if (ucaa.ucaa_obufsize >= UFTDI_MAX_OBUFSIZE) ucaa.ucaa_obufsize = UFTDI_MAX_OBUFSIZE; /* Limit length if we have a 6-bit header. */ if ((sc->sc_hdrlen > 0) && (ucaa.ucaa_obufsize > UFTDIOBUFSIZE)) ucaa.ucaa_obufsize = UFTDIOBUFSIZE; } else { aprint_error_dev(self, "unexpected endpoint\n"); goto bad; } } if (ucaa.ucaa_bulkin == -1) { aprint_error_dev(self, "Could not find data bulk in\n"); goto bad; } if (ucaa.ucaa_bulkout == -1) { aprint_error_dev(self, "Could not find data bulk out\n"); goto bad; } ucaa.ucaa_portno = FTDI_PIT_SIOA + sc->sc_iface_no; /* ucaa_bulkin, ucaa_bulkout set above */ if (ucaa.ucaa_ibufsize == 0) ucaa.ucaa_ibufsize = UFTDIIBUFSIZE; ucaa.ucaa_ibufsizepad = ucaa.ucaa_ibufsize; if (ucaa.ucaa_obufsize == 0) ucaa.ucaa_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; ucaa.ucaa_opkthdrlen = sc->sc_hdrlen; ucaa.ucaa_device = dev; ucaa.ucaa_iface = iface; ucaa.ucaa_methods = &uftdi_methods; ucaa.ucaa_arg = sc; ucaa.ucaa_info = NULL; DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n", ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, ucaa.ucaa_ibufsize, ucaa.ucaa_obufsize)); sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &ucaa, ucomprint, ucomsubmatch); usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); if (!pmf_device_register(self, NULL, NULL)) aprint_error_dev(self, "couldn't establish power handler\n"); return; bad: DPRINTF(("uftdi_attach: ATTACH ERROR\n")); sc->sc_dying = true; return; } static void uftdi_childdet(device_t self, device_t child) { struct uftdi_softc *sc = device_private(self); KASSERT(child == sc->sc_subdev); sc->sc_subdev = NULL; } static int uftdi_detach(device_t self, int flags) { struct uftdi_softc *sc = device_private(self); int rv = 0; DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags)); sc->sc_dying = true; if (sc->sc_subdev != NULL) { rv = config_detach(sc->sc_subdev, flags); sc->sc_subdev = NULL; } usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); return rv; } static int uftdi_open(void *vsc, int portno) { struct uftdi_softc *sc = vsc; usb_device_request_t req; usbd_status err; struct termios t; DPRINTF(("uftdi_open: sc=%p\n", sc)); if (sc->sc_dying) return EIO; /* Perform a full reset on the device */ req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = FTDI_SIO_RESET; USETW(req.wValue, FTDI_SIO_RESET_SIO); USETW(req.wIndex, portno); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) return EIO; /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ t.c_ospeed = 9600; t.c_cflag = CSTOPB | CS8; (void)uftdi_param(sc, portno, &t); /* Turn on RTS/CTS flow control */ req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = FTDI_SIO_SET_FLOW_CTRL; USETW(req.wValue, 0); USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) return EIO; return 0; } static void uftdi_read(void *vsc, int portno, u_char **ptr, uint32_t *count) { struct uftdi_softc *sc = vsc; u_char msr, lsr; DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno, *count)); msr = FTDI_GET_MSR(*ptr); lsr = FTDI_GET_LSR(*ptr); #ifdef UFTDI_DEBUG if (*count != 2) DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" "0x%02x\n", sc, portno, *count, (*ptr)[2])); #endif if (sc->sc_msr != msr || (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr, lsr, sc->sc_lsr)); sc->sc_msr = msr; sc->sc_lsr = lsr; ucom_status_change(device_private(sc->sc_subdev)); } /* Adjust buffer pointer to skip status prefix */ *ptr += 2; } static void uftdi_write(void *vsc, int portno, u_char *to, u_char *from, uint32_t *count) { struct uftdi_softc *sc = vsc; DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n", vsc, portno, *count, from[0])); /* Make length tag and copy data */ if (sc->sc_hdrlen > 0) *to = FTDI_OUT_TAG(*count, portno); memcpy(to + sc->sc_hdrlen, from, *count); *count += sc->sc_hdrlen; } static void uftdi_set(void *vsc, int portno, int reg, int onoff) { struct uftdi_softc *sc = vsc; usb_device_request_t req; int ctl; DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno, reg, onoff)); if (sc->sc_dying) return; switch (reg) { case UCOM_SET_DTR: ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; break; case UCOM_SET_RTS: ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; break; case UCOM_SET_BREAK: uftdi_break(sc, portno, onoff); return; default: return; } req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = FTDI_SIO_MODEM_CTRL; USETW(req.wValue, ctl); USETW(req.wIndex, portno); USETW(req.wLength, 0); DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); (void)usbd_do_request(sc->sc_udev, &req, NULL); } static int uftdi_param(void *vsc, int portno, struct termios *t) { struct uftdi_softc *sc = vsc; usb_device_request_t req; usbd_status err; int rate, data, flow; DPRINTF(("uftdi_param: sc=%p\n", sc)); if (sc->sc_dying) return EIO; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = FTDI_SIO_SET_BITMODE; USETW(req.wValue, FTDI_BITMODE_RESET << 8 | 0x00); USETW(req.wIndex, portno); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) return EIO; switch (sc->sc_type) { case UFTDI_TYPE_SIO: switch (t->c_ospeed) { case 300: rate = ftdi_sio_b300; break; case 600: rate = ftdi_sio_b600; break; case 1200: rate = ftdi_sio_b1200; break; case 2400: rate = ftdi_sio_b2400; break; case 4800: rate = ftdi_sio_b4800; break; case 9600: rate = ftdi_sio_b9600; break; case 19200: rate = ftdi_sio_b19200; break; case 38400: rate = ftdi_sio_b38400; break; case 57600: rate = ftdi_sio_b57600; break; case 115200: rate = ftdi_sio_b115200; break; default: return EINVAL; } break; case UFTDI_TYPE_8U232AM: switch(t->c_ospeed) { case 300: rate = ftdi_8u232am_b300; break; case 600: rate = ftdi_8u232am_b600; break; case 1200: rate = ftdi_8u232am_b1200; break; case 2400: rate = ftdi_8u232am_b2400; break; case 4800: rate = ftdi_8u232am_b4800; break; case 9600: rate = ftdi_8u232am_b9600; break; case 19200: rate = ftdi_8u232am_b19200; break; case 38400: rate = ftdi_8u232am_b38400; break; case 57600: rate = ftdi_8u232am_b57600; break; case 115200: rate = ftdi_8u232am_b115200; break; case 230400: rate = ftdi_8u232am_b230400; break; case 460800: rate = ftdi_8u232am_b460800; break; case 921600: rate = ftdi_8u232am_b921600; break; default: return EINVAL; } break; default: return EINVAL; } req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = FTDI_SIO_SET_BAUD_RATE; USETW(req.wValue, rate); USETW(req.wIndex, portno); USETW(req.wLength, 0); DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) return EIO; if (ISSET(t->c_cflag, CSTOPB)) data = FTDI_SIO_SET_DATA_STOP_BITS_2; else data = FTDI_SIO_SET_DATA_STOP_BITS_1; if (ISSET(t->c_cflag, PARENB)) { if (ISSET(t->c_cflag, PARODD)) data |= FTDI_SIO_SET_DATA_PARITY_ODD; else data |= FTDI_SIO_SET_DATA_PARITY_EVEN; } else data |= FTDI_SIO_SET_DATA_PARITY_NONE; switch (ISSET(t->c_cflag, CSIZE)) { case CS5: data |= FTDI_SIO_SET_DATA_BITS(5); break; case CS6: data |= FTDI_SIO_SET_DATA_BITS(6); break; case CS7: data |= FTDI_SIO_SET_DATA_BITS(7); break; case CS8: data |= FTDI_SIO_SET_DATA_BITS(8); break; } sc->last_lcr = data; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = FTDI_SIO_SET_DATA; USETW(req.wValue, data); USETW(req.wIndex, portno); USETW(req.wLength, 0); DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest, UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) return EIO; if (ISSET(t->c_cflag, CRTSCTS)) { flow = FTDI_SIO_RTS_CTS_HS; USETW(req.wValue, 0); } else if (ISSET(t->c_iflag, IXON) && ISSET(t->c_iflag, IXOFF)) { flow = FTDI_SIO_XON_XOFF_HS; USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); } else { flow = FTDI_SIO_DISABLE_FLOW_CTRL; USETW(req.wValue, 0); } req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = FTDI_SIO_SET_FLOW_CTRL; USETW2(req.wIndex, flow, portno); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) return EIO; return 0; } static void uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) { struct uftdi_softc *sc = vsc; DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n", sc->sc_msr, sc->sc_lsr)); if (sc->sc_dying) return; *msr = sc->sc_msr; *lsr = sc->sc_lsr; } static void uftdi_break(void *vsc, int portno, int onoff) { struct uftdi_softc *sc = vsc; usb_device_request_t req; int data; DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno, onoff)); if (onoff) { data = sc->last_lcr | FTDI_SIO_SET_BREAK; } else { data = sc->last_lcr; } req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = FTDI_SIO_SET_DATA; USETW(req.wValue, data); USETW(req.wIndex, portno); USETW(req.wLength, 0); (void)usbd_do_request(sc->sc_udev, &req, NULL); }