/* $OpenBSD: uticom.c,v 1.18 2011/08/17 18:58:45 jasper Exp $ */ /* * Copyright (c) 2005 Dmitry Komissaroff . * * 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 AUTHOR 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 AUTHOR 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef USB_DEBUG static int uticomdebug = 0; #define DPRINTFN(n, x) do { if (uticomdebug > (n)) printf x; } while (0) #else #define DPRINTFN(n, x) #endif #define DPRINTF(x) DPRINTFN(0, x) #define UTICOM_CONFIG_INDEX 1 #define UTICOM_ACTIVE_INDEX 2 #define UTICOM_IFACE_INDEX 0 /* * These are the maximum number of bytes transferred per frame. * The output buffer size cannot be increased due to the size encoding. */ #define UTICOM_IBUFSZ 64 #define UTICOM_OBUFSZ 64 #define UTICOM_FW_BUFSZ 16284 #define UTICOM_INTR_INTERVAL 100 /* ms */ #define UTICOM_RQ_LINE 0 /* Used to sync data0/1-toggle on reopen bulk pipe. */ #define UTICOM_RQ_SOF 1 #define UTICOM_RQ_SON 2 #define UTICOM_RQ_BAUD 3 #define UTICOM_RQ_LCR 4 #define UTICOM_RQ_FCR 5 #define UTICOM_RQ_RTS 6 #define UTICOM_RQ_DTR 7 #define UTICOM_RQ_BREAK 8 #define UTICOM_RQ_CRTSCTS 9 #define UTICOM_BRATE_REF 923077 #define UTICOM_SET_DATA_BITS(x) (x - 5) #define UTICOM_STOP_BITS_1 0x00 #define UTICOM_STOP_BITS_2 0x40 #define UTICOM_PARITY_NONE 0x00 #define UTICOM_PARITY_ODD 0x08 #define UTICOM_PARITY_EVEN 0x18 #define UTICOM_LCR_OVR 0x1 #define UTICOM_LCR_PTE 0x2 #define UTICOM_LCR_FRE 0x4 #define UTICOM_LCR_BRK 0x8 #define UTICOM_MCR_CTS 0x1 #define UTICOM_MCR_DSR 0x2 #define UTICOM_MCR_CD 0x4 #define UTICOM_MCR_RI 0x8 /* Structures */ struct uticom_fw_header { uint16_t length; uint8_t checkSum; } __packed; struct uticom_buf { unsigned int buf_size; char *buf_buf; char *buf_get; char *buf_put; }; struct uticom_softc { struct device sc_dev; /* base device */ usbd_device_handle sc_udev; /* device */ usbd_interface_handle sc_iface; /* interface */ int sc_iface_number; /* interface number */ usbd_interface_handle sc_intr_iface; /* interrupt interface */ int sc_intr_number; /* interrupt number */ usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ u_char *sc_intr_buf; /* interrupt buffer */ int sc_isize; u_char sc_dtr; /* current DTR state */ u_char sc_rts; /* current RTS state */ u_char sc_status; u_char sc_lsr; /* Local status register */ u_char sc_msr; /* uticom status register */ struct device *sc_subdev; u_char sc_dying; }; static usbd_status uticom_reset(struct uticom_softc *); static usbd_status uticom_set_crtscts(struct uticom_softc *); static void uticom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); static void uticom_set(void *, int, int, int); static void uticom_dtr(struct uticom_softc *, int); static void uticom_rts(struct uticom_softc *, int); static void uticom_break(struct uticom_softc *, int); static void uticom_get_status(void *, int, u_char *, u_char *); #if 0 /* TODO */ static int uticom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr); #endif static int uticom_param(void *, int, struct termios *); static int uticom_open(void *, int); static void uticom_close(void *, int); void uticom_attach_hook(void *arg); static int uticom_download_fw(struct uticom_softc *sc, int pipeno, usbd_device_handle dev); struct ucom_methods uticom_methods = { uticom_get_status, uticom_set, uticom_param, NULL, /* uticom_ioctl, TODO */ uticom_open, uticom_close, NULL, NULL }; int uticom_match(struct device *, void *, void *); void uticom_attach(struct device *, struct device *, void *); int uticom_detach(struct device *, int); int uticom_activate(struct device *, int); struct cfdriver uticom_cd = { NULL, "uticom", DV_DULL }; const struct cfattach uticom_ca = { sizeof(struct uticom_softc), uticom_match, uticom_attach, uticom_detach, uticom_activate, }; static const struct usb_devno uticom_devs[] = { { USB_VENDOR_TI, USB_PRODUCT_TI_TUSB3410 }, { USB_VENDOR_TI, USB_PRODUCT_TI_MSP430_JTAG }, { USB_VENDOR_STARTECH, USB_PRODUCT_STARTECH_ICUSB232X }, { USB_VENDOR_MOXA, USB_PRODUCT_MOXA_UPORT1110 }, { USB_VENDOR_ABBOTT, USB_PRODUCT_ABBOTT_STEREO_PLUG } }; int uticom_match(struct device *parent, void *match, void *aux) { struct usb_attach_arg *uaa = aux; if (uaa->iface != NULL) return (UMATCH_NONE); return (usb_lookup(uticom_devs, uaa->vendor, uaa->product) != NULL ? UMATCH_VENDOR_PRODUCT : UMATCH_NONE); } void uticom_attach(struct device *parent, struct device *self, void *aux) { struct uticom_softc *sc = (struct uticom_softc *)self; struct usb_attach_arg *uaa = aux; usbd_device_handle dev = uaa->device; sc->sc_udev = dev; sc->sc_iface = uaa->iface; if (rootvp == NULL) mountroothook_establish(uticom_attach_hook, sc); else uticom_attach_hook(sc); } void uticom_attach_hook(void *arg) { struct uticom_softc *sc = arg; usb_config_descriptor_t *cdesc; usb_interface_descriptor_t *id; usb_endpoint_descriptor_t *ed; usbd_status err; int status, i; usb_device_descriptor_t *dd; struct ucom_attach_args uca; /* Initialize endpoints. */ uca.bulkin = uca.bulkout = -1; sc->sc_intr_number = -1; sc->sc_intr_pipe = NULL; dd = usbd_get_device_descriptor(sc->sc_udev); DPRINTF(("%s: uticom_attach: num of configurations %d\n", sc->sc_dev.dv_xname, dd->bNumConfigurations)); /* The device without firmware has single configuration with single * bulk out interface. */ if (dd->bNumConfigurations > 1) goto fwload_done; /* Loading firmware. */ DPRINTF(("%s: uticom_attach: starting loading firmware\n", sc->sc_dev.dv_xname)); err = usbd_set_config_index(sc->sc_udev, UTICOM_CONFIG_INDEX, 1); if (err) { printf("%s: failed to set configuration: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); sc->sc_dying = 1; return; } /* Get the config descriptor. */ cdesc = usbd_get_config_descriptor(sc->sc_udev); if (cdesc == NULL) { printf("%s: failed to get configuration descriptor\n", sc->sc_dev.dv_xname); sc->sc_dying = 1; return; } err = usbd_device2interface_handle(sc->sc_udev, UTICOM_IFACE_INDEX, &sc->sc_iface); if (err) { printf("%s: failed to get interface: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); sc->sc_dying = 1; return; } /* Find the bulk out interface used to upload firmware. */ id = usbd_get_interface_descriptor(sc->sc_iface); sc->sc_iface_number = id->bInterfaceNumber; for (i = 0; i < id->bNumEndpoints; i++) { ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); if (ed == NULL) { printf("%s: no endpoint descriptor for %d\n", sc->sc_dev.dv_xname, i); sc->sc_dying = 1; return; } if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { uca.bulkout = ed->bEndpointAddress; DPRINTF(("%s: uticom_attach: data bulk out num: %d\n", sc->sc_dev.dv_xname, ed->bEndpointAddress)); } if (uca.bulkout == -1) { printf("%s: could not find data bulk out\n", sc->sc_dev.dv_xname); sc->sc_dying = 1; return; } } status = uticom_download_fw(sc, uca.bulkout, sc->sc_udev); if (status) { printf("%s: firmware download failed\n", sc->sc_dev.dv_xname); sc->sc_dying = 1; return; } else { DPRINTF(("%s: firmware download succeeded\n", sc->sc_dev.dv_xname)); } status = usbd_reload_device_desc(sc->sc_udev); if (status) { printf("%s: error reloading device descriptor\n", sc->sc_dev.dv_xname); sc->sc_dying = 1; return; } fwload_done: dd = usbd_get_device_descriptor(sc->sc_udev); DPRINTF(("%s: uticom_attach: num of configurations %d\n", sc->sc_dev.dv_xname, dd->bNumConfigurations)); err = usbd_set_config_index(sc->sc_udev, UTICOM_ACTIVE_INDEX, 1); if (err) { printf("%s: failed to set configuration: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); sc->sc_dying = 1; return; } /* Get the config descriptor. */ cdesc = usbd_get_config_descriptor(sc->sc_udev); if (cdesc == NULL) { printf("%s: failed to get configuration descriptor\n", sc->sc_dev.dv_xname); sc->sc_dying = 1; return; } /* Get the interface (XXX: multiport chips are not supported yet). */ err = usbd_device2interface_handle(sc->sc_udev, UTICOM_IFACE_INDEX, &sc->sc_iface); if (err) { printf("%s: failed to get interface: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); sc->sc_dying = 1; return; } /* Find the interrupt endpoints. */ id = usbd_get_interface_descriptor(sc->sc_iface); sc->sc_iface_number = id->bInterfaceNumber; for (i = 0; i < id->bNumEndpoints; i++) { ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); if (ed == NULL) { printf("%s: no endpoint descriptor for %d\n", sc->sc_dev.dv_xname, i); sc->sc_dying = 1; return; } if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { sc->sc_intr_number = ed->bEndpointAddress; sc->sc_isize = UGETW(ed->wMaxPacketSize); } } if (sc->sc_intr_number == -1) { printf("%s: could not find interrupt in\n", sc->sc_dev.dv_xname); sc->sc_dying = 1; return; } /* Keep interface for interrupt. */ sc->sc_intr_iface = sc->sc_iface; /* Find the bulk{in,out} endpoints. */ id = usbd_get_interface_descriptor(sc->sc_iface); sc->sc_iface_number = id->bInterfaceNumber; for (i = 0; i < id->bNumEndpoints; i++) { ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); if (ed == NULL) { printf("%s: no endpoint descriptor for %d\n", sc->sc_dev.dv_xname, i); sc->sc_dying = 1; 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) { printf("%s: could not find data bulk in\n", sc->sc_dev.dv_xname); sc->sc_dying = 1; return; } if (uca.bulkout == -1) { printf("%s: could not find data bulk out\n", sc->sc_dev.dv_xname); sc->sc_dying = 1; return; } sc->sc_dtr = sc->sc_rts = -1; uca.portno = UCOM_UNK_PORTNO; uca.ibufsize = UTICOM_IBUFSZ; uca.obufsize = UTICOM_OBUFSZ; uca.ibufsizepad = UTICOM_IBUFSZ; uca.device = sc->sc_udev; uca.iface = sc->sc_iface; uca.opkthdrlen = 0; uca.methods = &uticom_methods; uca.arg = sc; uca.info = NULL; err = uticom_reset(sc); if (err) { printf("%s: reset failed: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); sc->sc_dying = 1; return; } DPRINTF(("%s: uticom_attach: in = 0x%x, out = 0x%x, intr = 0x%x\n", sc->sc_dev.dv_xname, uca.bulkin, uca.bulkout, sc->sc_intr_number)); sc->sc_subdev = config_found_sm((struct device *)sc, &uca, ucomprint, ucomsubmatch); } int uticom_activate(struct device *self, int act) { struct uticom_softc *sc = (struct uticom_softc *)self; int rv = 0; switch (act) { case DVACT_DEACTIVATE: if (sc->sc_subdev != NULL) rv = config_deactivate(sc->sc_subdev); sc->sc_dying = 1; break; } return (rv); } int uticom_detach(struct device *self, int flags) { struct uticom_softc *sc = (struct uticom_softc *)self; DPRINTF(("%s: uticom_detach: sc = %p\n", sc->sc_dev.dv_xname, sc)); if (sc->sc_subdev != NULL) { config_detach(sc->sc_subdev, flags); sc->sc_subdev = NULL; } if (sc->sc_intr_pipe != NULL) { usbd_abort_pipe(sc->sc_intr_pipe); usbd_close_pipe(sc->sc_intr_pipe); free(sc->sc_intr_buf, M_USBDEV); sc->sc_intr_pipe = NULL; } return (0); } static usbd_status uticom_reset(struct uticom_softc *sc) { usb_device_request_t req; usbd_status err; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UTICOM_RQ_SON; USETW(req.wValue, 0); USETW(req.wIndex, 0); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err){ printf("%s: uticom_reset: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); return (EIO); } DPRINTF(("%s: uticom_reset: done\n", sc->sc_dev.dv_xname)); return (0); } static void uticom_set(void *addr, int portno, int reg, int onoff) { struct uticom_softc *sc = addr; switch (reg) { case UCOM_SET_DTR: uticom_dtr(sc, onoff); break; case UCOM_SET_RTS: uticom_rts(sc, onoff); break; case UCOM_SET_BREAK: uticom_break(sc, onoff); break; default: break; } } static void uticom_dtr(struct uticom_softc *sc, int onoff) { usb_device_request_t req; usbd_status err; DPRINTF(("%s: uticom_dtr: onoff = %d\n", sc->sc_dev.dv_xname, onoff)); if (sc->sc_dtr == onoff) return; sc->sc_dtr = onoff; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UTICOM_RQ_DTR; USETW(req.wValue, sc->sc_dtr ? UCDC_LINE_DTR : 0); USETW(req.wIndex, 0); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) printf("%s: uticom_dtr: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); } static void uticom_rts(struct uticom_softc *sc, int onoff) { usb_device_request_t req; usbd_status err; DPRINTF(("%s: uticom_rts: onoff = %d\n", sc->sc_dev.dv_xname, onoff)); if (sc->sc_rts == onoff) return; sc->sc_rts = onoff; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UTICOM_RQ_RTS; USETW(req.wValue, sc->sc_rts ? UCDC_LINE_RTS : 0); USETW(req.wIndex, 0); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) printf("%s: uticom_rts: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); } static void uticom_break(struct uticom_softc *sc, int onoff) { usb_device_request_t req; usbd_status err; DPRINTF(("%s: uticom_break: onoff = %d\n", sc->sc_dev.dv_xname, onoff)); req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UTICOM_RQ_BREAK; USETW(req.wValue, onoff ? 1 : 0); USETW(req.wIndex, 0); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) printf("%s: uticom_break: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); } static usbd_status uticom_set_crtscts(struct uticom_softc *sc) { usb_device_request_t req; usbd_status err; DPRINTF(("%s: uticom_set_crtscts: on\n", sc->sc_dev.dv_xname)); req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UTICOM_RQ_CRTSCTS; USETW(req.wValue, 1); USETW(req.wIndex, 0); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) { printf("%s: uticom_set_crtscts: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); return (err); } return (USBD_NORMAL_COMPLETION); } static int uticom_param(void *vsc, int portno, struct termios *t) { struct uticom_softc *sc = (struct uticom_softc *)vsc; usb_device_request_t req; usbd_status err; uint8_t data; DPRINTF(("%s: uticom_param\n", sc->sc_dev.dv_xname)); switch (t->c_ospeed) { case 1200: case 2400: case 4800: case 7200: case 9600: case 14400: case 19200: case 38400: case 57600: case 115200: case 230400: case 460800: case 921600: req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UTICOM_RQ_BAUD; USETW(req.wValue, (UTICOM_BRATE_REF / t->c_ospeed)); USETW(req.wIndex, 0); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, 0); if (err) { printf("%s: uticom_param: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); return (EIO); } break; default: printf("%s: uticom_param: unsupported baud rate %d\n", sc->sc_dev.dv_xname, t->c_ospeed); return (EINVAL); } switch (ISSET(t->c_cflag, CSIZE)) { case CS5: data = UTICOM_SET_DATA_BITS(5); break; case CS6: data = UTICOM_SET_DATA_BITS(6); break; case CS7: data = UTICOM_SET_DATA_BITS(7); break; case CS8: data = UTICOM_SET_DATA_BITS(8); break; default: return (EIO); } if (ISSET(t->c_cflag, CSTOPB)) data |= UTICOM_STOP_BITS_2; else data |= UTICOM_STOP_BITS_1; if (ISSET(t->c_cflag, PARENB)) { if (ISSET(t->c_cflag, PARODD)) data |= UTICOM_PARITY_ODD; else data |= UTICOM_PARITY_EVEN; } else data |= UTICOM_PARITY_NONE; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UTICOM_RQ_LCR; USETW(req.wIndex, 0); USETW(req.wLength, 0); USETW(req.wValue, data); err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) { printf("%s: uticom_param: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); return (err); } if (ISSET(t->c_cflag, CRTSCTS)) { err = uticom_set_crtscts(sc); if (err) return (EIO); } return (0); } static int uticom_open(void *addr, int portno) { struct uticom_softc *sc = addr; usbd_status err; if (sc->sc_dying) return (ENXIO); DPRINTF(("%s: uticom_open\n", sc->sc_dev.dv_xname)); sc->sc_status = 0; /* clear status bit */ if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number, USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, sc->sc_intr_buf, sc->sc_isize, uticom_intr, UTICOM_INTR_INTERVAL); if (err) { printf("%s: cannot open interrupt pipe (addr %d)\n", sc->sc_dev.dv_xname, sc->sc_intr_number); return (EIO); } } DPRINTF(("%s: uticom_open: port opened\n", sc->sc_dev.dv_xname)); return (0); } static void uticom_close(void *addr, int portno) { struct uticom_softc *sc = addr; usb_device_request_t req; usbd_status err; if (sc->sc_dying) return; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UTICOM_RQ_SON; USETW(req.wValue, 0); USETW(req.wIndex, 0); USETW(req.wLength, 0); /* Try to reset UART part of chip. */ err = usbd_do_request(sc->sc_udev, &req, NULL); if (err) { printf("%s: uticom_close: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); return; } DPRINTF(("%s: uticom_close: close\n", sc->sc_dev.dv_xname)); if (sc->sc_intr_pipe != NULL) { err = usbd_abort_pipe(sc->sc_intr_pipe); if (err) printf("%s: abort interrupt pipe failed: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); err = usbd_close_pipe(sc->sc_intr_pipe); if (err) printf("%s: close interrupt pipe failed: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); free(sc->sc_intr_buf, M_USBDEV); sc->sc_intr_pipe = NULL; } } static void uticom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) { struct uticom_softc *sc = priv; u_char *buf = sc->sc_intr_buf; if (sc->sc_dying) return; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { DPRINTF(("%s: uticom_intr: int status: %s\n", sc->sc_dev.dv_xname, usbd_errstr(status))); return; } DPRINTF(("%s: uticom_intr: abnormal status: %s\n", sc->sc_dev.dv_xname, usbd_errstr(status))); usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); return; } if (!xfer->actlen) return; DPRINTF(("%s: xfer_length = %d\n", sc->sc_dev.dv_xname, xfer->actlen)); sc->sc_lsr = sc->sc_msr = 0; if (buf[0] == 0) { /* msr registers */ if (buf[1] & UTICOM_MCR_CTS) sc->sc_msr |= UMSR_CTS; if (buf[1] & UTICOM_MCR_DSR) sc->sc_msr |= UMSR_DSR; if (buf[1] & UTICOM_MCR_CD) sc->sc_msr |= UMSR_DCD; if (buf[1] & UTICOM_MCR_RI) sc->sc_msr |= UMSR_RI; } else { /* lsr registers */ if (buf[0] & UTICOM_LCR_OVR) sc->sc_lsr |= ULSR_OE; if (buf[0] & UTICOM_LCR_PTE) sc->sc_lsr |= ULSR_PE; if (buf[0] & UTICOM_LCR_FRE) sc->sc_lsr |= ULSR_FE; if (buf[0] & UTICOM_LCR_BRK) sc->sc_lsr |= ULSR_BI; } // if (uticomstickdsr) // sc->sc_msr |= UMSR_DSR; ucom_status_change((struct ucom_softc *)sc->sc_subdev); } static void uticom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) { #if 0 /* TODO */ struct uticom_softc *sc = addr; DPRINTF(("uticom_get_status:\n")); if (lsr != NULL) *lsr = sc->sc_lsr; if (msr != NULL) *msr = sc->sc_msr; #endif return; } #if 0 /* TODO */ static int uticom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, usb_proc_ptr p) { struct uticom_softc *sc = addr; int error = 0; if (sc->sc_ucom.sc_dying) return (EIO); DPRINTF(("uticom_ioctl: cmd = 0x%08lx\n", cmd)); switch (cmd) { case TIOCNOTTY: case TIOCMGET: case TIOCMSET: case USB_GET_CM_OVER_DATA: case USB_SET_CM_OVER_DATA: break; default: DPRINTF(("uticom_ioctl: unknown\n")); error = ENOTTY; break; } return (error); } #endif static int uticom_download_fw(struct uticom_softc *sc, int pipeno, usbd_device_handle dev) { u_char *obuf, *firmware; size_t firmware_size; int buffer_size, pos; uint8_t cs = 0, *buffer; usbd_status err; struct uticom_fw_header *header; usbd_xfer_handle oxfer = 0; usbd_status error = 0; usbd_pipe_handle pipe; error = loadfirmware("tusb3410", &firmware, &firmware_size); if (error) return (error); buffer_size = UTICOM_FW_BUFSZ + sizeof(struct uticom_fw_header); buffer = malloc(buffer_size, M_USBDEV, M_WAITOK | M_CANFAIL); if (!buffer) { printf("%s: uticom_download_fw: out of memory\n", sc->sc_dev.dv_xname); free(firmware, M_DEVBUF); return ENOMEM; } memcpy(buffer, firmware, firmware_size); memset(buffer + firmware_size, 0xff, buffer_size - firmware_size); for (pos = sizeof(struct uticom_fw_header); pos < buffer_size; pos++) cs = (uint8_t)(cs + buffer[pos]); header = (struct uticom_fw_header*)buffer; header->length = (uint16_t)(buffer_size - sizeof(struct uticom_fw_header)); header->checkSum = cs; DPRINTF(("%s: downloading firmware ...\n", sc->sc_dev.dv_xname)); err = usbd_open_pipe(sc->sc_iface, pipeno, USBD_EXCLUSIVE_USE, &pipe); if (err) { printf("%s: open bulk out error (addr %d): %s\n", sc->sc_dev.dv_xname, pipeno, usbd_errstr(err)); error = EIO; goto finish; } oxfer = usbd_alloc_xfer(dev); if (oxfer == NULL) { error = ENOMEM; goto finish; } obuf = usbd_alloc_buffer(oxfer, buffer_size); if (obuf == NULL) { error = ENOMEM; goto finish; } memcpy(obuf, buffer, buffer_size); usbd_setup_xfer(oxfer, pipe, (usbd_private_handle)sc, obuf, buffer_size, USBD_NO_COPY | USBD_SYNCHRONOUS, USBD_NO_TIMEOUT, 0); err = usbd_sync_transfer(oxfer); if (err != USBD_NORMAL_COMPLETION) printf("%s: uticom_download_fw: error: %s\n", sc->sc_dev.dv_xname, usbd_errstr(err)); finish: free(firmware, M_DEVBUF); usbd_free_buffer(oxfer); usbd_free_xfer(oxfer); oxfer = NULL; usbd_abort_pipe(pipe); usbd_close_pipe(pipe); free(buffer, M_USBDEV); return err; }