/* $NetBSD: uplcom.c,v 1.21 2001/11/13 06:24:56 lukem Exp $ */ #include __FBSDID("$FreeBSD$"); /*- * Copyright (c) 2001-2003, 2005 Shunsuke Akiyama . * All rights reserved. * * 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. */ /*- * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Ichiro FUKUHARA (ichiro@ichiro.org). * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 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. */ /* * This driver supports several USB-to-RS232 serial adapters driven by * Prolific PL-2303, PL-2303X and probably PL-2303HX USB-to-RS232 * bridge chip. The adapters are sold under many different brand * names. * * Datasheets are available at Prolific www site at * http://www.prolific.com.tw. The datasheets don't contain full * programming information for the chip. * * PL-2303HX is probably programmed the same as PL-2303X. * * There are several differences between PL-2303 and PL-2303(H)X. * PL-2303(H)X can do higher bitrate in bulk mode, has _probably_ * different command for controlling CRTSCTS and needs special * sequence of commands for initialization which aren't also * documented in the datasheet. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "usbdevs.h" #define USB_DEBUG_VAR uplcom_debug #include #include #include #if USB_DEBUG static int uplcom_debug = 0; SYSCTL_NODE(_hw_usb, OID_AUTO, uplcom, CTLFLAG_RW, 0, "USB uplcom"); SYSCTL_INT(_hw_usb_uplcom, OID_AUTO, debug, CTLFLAG_RW, &uplcom_debug, 0, "Debug level"); #endif #define UPLCOM_MODVER 1 /* module version */ #define UPLCOM_CONFIG_INDEX 0 #define UPLCOM_IFACE_INDEX 0 #define UPLCOM_SECOND_IFACE_INDEX 1 #ifndef UPLCOM_INTR_INTERVAL #define UPLCOM_INTR_INTERVAL 0 /* default */ #endif #define UPLCOM_BULK_BUF_SIZE 1024 /* bytes */ #define UPLCOM_SET_REQUEST 0x01 #define UPLCOM_SET_CRTSCTS 0x41 #define UPLCOM_SET_CRTSCTS_PL2303X 0x61 #define RSAQ_STATUS_CTS 0x80 #define RSAQ_STATUS_DSR 0x02 #define RSAQ_STATUS_DCD 0x01 #define TYPE_PL2303 0 #define TYPE_PL2303X 1 enum { UPLCOM_BULK_DT_WR, UPLCOM_BULK_DT_RD, UPLCOM_INTR_DT_RD, UPLCOM_N_TRANSFER, }; struct uplcom_softc { struct ucom_super_softc sc_super_ucom; struct ucom_softc sc_ucom; struct usb_xfer *sc_xfer[UPLCOM_N_TRANSFER]; struct usb_device *sc_udev; struct mtx sc_mtx; uint16_t sc_line; uint8_t sc_lsr; /* local status register */ uint8_t sc_msr; /* uplcom status register */ uint8_t sc_chiptype; /* type of chip */ uint8_t sc_ctrl_iface_no; uint8_t sc_data_iface_no; uint8_t sc_iface_index[2]; }; /* prototypes */ static usb_error_t uplcom_reset(struct uplcom_softc *, struct usb_device *); static int uplcom_pl2303x_init(struct usb_device *); static void uplcom_cfg_set_dtr(struct ucom_softc *, uint8_t); static void uplcom_cfg_set_rts(struct ucom_softc *, uint8_t); static void uplcom_cfg_set_break(struct ucom_softc *, uint8_t); static int uplcom_pre_param(struct ucom_softc *, struct termios *); static void uplcom_cfg_param(struct ucom_softc *, struct termios *); static void uplcom_start_read(struct ucom_softc *); static void uplcom_stop_read(struct ucom_softc *); static void uplcom_start_write(struct ucom_softc *); static void uplcom_stop_write(struct ucom_softc *); static void uplcom_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); static device_probe_t uplcom_probe; static device_attach_t uplcom_attach; static device_detach_t uplcom_detach; static usb_callback_t uplcom_intr_callback; static usb_callback_t uplcom_write_callback; static usb_callback_t uplcom_read_callback; static const struct usb_config uplcom_config_data[UPLCOM_N_TRANSFER] = { [UPLCOM_BULK_DT_WR] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_OUT, .bufsize = UPLCOM_BULK_BUF_SIZE, .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, .callback = &uplcom_write_callback, .if_index = 0, }, [UPLCOM_BULK_DT_RD] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .bufsize = UPLCOM_BULK_BUF_SIZE, .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, .callback = &uplcom_read_callback, .if_index = 0, }, [UPLCOM_INTR_DT_RD] = { .type = UE_INTERRUPT, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, .bufsize = 0, /* use wMaxPacketSize */ .callback = &uplcom_intr_callback, .if_index = 1, }, }; static struct ucom_callback uplcom_callback = { .ucom_cfg_get_status = &uplcom_cfg_get_status, .ucom_cfg_set_dtr = &uplcom_cfg_set_dtr, .ucom_cfg_set_rts = &uplcom_cfg_set_rts, .ucom_cfg_set_break = &uplcom_cfg_set_break, .ucom_cfg_param = &uplcom_cfg_param, .ucom_pre_param = &uplcom_pre_param, .ucom_start_read = &uplcom_start_read, .ucom_stop_read = &uplcom_stop_read, .ucom_start_write = &uplcom_start_write, .ucom_stop_write = &uplcom_stop_write, }; #define USB_UPL(v,p,rl,rh,t) \ USB_VENDOR(v), USB_PRODUCT(p), USB_DEV_BCD_GTEQ(rl), \ USB_DEV_BCD_LTEQ(rh), USB_DRIVER_INFO(t) static const struct usb_device_id uplcom_devs[] = { /* Belkin F5U257 */ {USB_UPL(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U257, 0, 0xFFFF, TYPE_PL2303X)}, /* I/O DATA USB-RSAQ */ {USB_UPL(USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ, 0, 0xFFFF, TYPE_PL2303)}, /* I/O DATA USB-RSAQ2 */ {USB_UPL(USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2, 0, 0xFFFF, TYPE_PL2303)}, /* I/O DATA USB-RSAQ3 */ {USB_UPL(USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3, 0, 0xFFFF, TYPE_PL2303X)}, /* PLANEX USB-RS232 URS-03 */ {USB_UPL(USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A, 0, 0xFFFF, TYPE_PL2303)}, /* TrendNet TU-S9 */ {USB_UPL(USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303, 0x0400, 0xFFFF, TYPE_PL2303X)}, /* ST Lab USB-SERIAL-4 */ {USB_UPL(USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303, 0x0300, 0x03FF, TYPE_PL2303X)}, /* IOGEAR/ATEN UC-232A (also ST Lab USB-SERIAL-1) */ {USB_UPL(USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303, 0, 0x02FF, TYPE_PL2303)}, /* TDK USB-PHS Adapter UHA6400 */ {USB_UPL(USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400, 0, 0xFFFF, TYPE_PL2303)}, /* RATOC REX-USB60 */ {USB_UPL(USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60, 0, 0xFFFF, TYPE_PL2303)}, /* ELECOM UC-SGT */ {USB_UPL(USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT, 0, 0xFFFF, TYPE_PL2303)}, {USB_UPL(USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0, 0, 0xFFFF, TYPE_PL2303)}, /* Sagem USB-Serial Controller */ {USB_UPL(USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_USBSERIAL, 0, 0xFFFF, TYPE_PL2303X)}, /* Sony Ericsson USB Cable */ {USB_UPL(USB_VENDOR_SONYERICSSON, USB_PRODUCT_SONYERICSSON_DCU10, 0, 0xFFFF, TYPE_PL2303)}, /* SOURCENEXT KeikaiDenwa 8 */ {USB_UPL(USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8, 0, 0xFFFF, TYPE_PL2303)}, /* SOURCENEXT KeikaiDenwa 8 with charger */ {USB_UPL(USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG, 0, 0, TYPE_PL2303)}, /* HAL Corporation Crossam2+USB */ {USB_UPL(USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001, 0, 0xFFFF, TYPE_PL2303)}, /* Sitecom USB to Serial */ {USB_UPL(USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_SERIAL, 0, 0xFFFF, TYPE_PL2303)}, /* Tripp-Lite U209-000-R */ {USB_UPL(USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209, 0, 0xFFFF, TYPE_PL2303X)}, {USB_UPL(USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_USBCABLE, 0, 0xFFFF, TYPE_PL2303)}, /* Prolific Pharos */ {USB_UPL(USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PHAROS, 0, 0xFFFF, TYPE_PL2303)}, /* Willcom W-SIM */ {USB_UPL(USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_WSIM, 0, 0xFFFF, TYPE_PL2303X)}, /* Mobile Action MA-620 Infrared Adapter */ {USB_UPL(USB_VENDOR_MOBILEACTION, USB_PRODUCT_MOBILEACTION_MA620, 0, 0xFFFF, TYPE_PL2303X)}, }; static device_method_t uplcom_methods[] = { DEVMETHOD(device_probe, uplcom_probe), DEVMETHOD(device_attach, uplcom_attach), DEVMETHOD(device_detach, uplcom_detach), {0, 0} }; static devclass_t uplcom_devclass; static driver_t uplcom_driver = { .name = "uplcom", .methods = uplcom_methods, .size = sizeof(struct uplcom_softc), }; DRIVER_MODULE(uplcom, uhub, uplcom_driver, uplcom_devclass, NULL, 0); MODULE_DEPEND(uplcom, ucom, 1, 1, 1); MODULE_DEPEND(uplcom, usb, 1, 1, 1); MODULE_VERSION(uplcom, UPLCOM_MODVER); static int uplcom_probe(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); DPRINTFN(11, "\n"); if (uaa->usb_mode != USB_MODE_HOST) { return (ENXIO); } if (uaa->info.bConfigIndex != UPLCOM_CONFIG_INDEX) { return (ENXIO); } if (uaa->info.bIfaceIndex != UPLCOM_IFACE_INDEX) { return (ENXIO); } return (usbd_lookup_id_by_uaa(uplcom_devs, sizeof(uplcom_devs), uaa)); } static int uplcom_attach(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); struct uplcom_softc *sc = device_get_softc(dev); struct usb_interface *iface; struct usb_interface_descriptor *id; int error; DPRINTFN(11, "\n"); device_set_usb_desc(dev); mtx_init(&sc->sc_mtx, "uplcom", NULL, MTX_DEF); DPRINTF("sc = %p\n", sc); sc->sc_chiptype = USB_GET_DRIVER_INFO(uaa); sc->sc_udev = uaa->device; DPRINTF("chiptype: %s\n", (sc->sc_chiptype == TYPE_PL2303X) ? "2303X" : "2303"); /* * USB-RSAQ1 has two interface * * USB-RSAQ1 | USB-RSAQ2 * -----------------+----------------- * Interface 0 |Interface 0 * Interrupt(0x81) | Interrupt(0x81) * -----------------+ BulkIN(0x02) * Interface 1 | BulkOUT(0x83) * BulkIN(0x02) | * BulkOUT(0x83) | */ sc->sc_ctrl_iface_no = uaa->info.bIfaceNum; sc->sc_iface_index[1] = UPLCOM_IFACE_INDEX; iface = usbd_get_iface(uaa->device, UPLCOM_SECOND_IFACE_INDEX); if (iface) { id = usbd_get_interface_descriptor(iface); if (id == NULL) { device_printf(dev, "no interface descriptor (2)!\n"); goto detach; } sc->sc_data_iface_no = id->bInterfaceNumber; sc->sc_iface_index[0] = UPLCOM_SECOND_IFACE_INDEX; usbd_set_parent_iface(uaa->device, UPLCOM_SECOND_IFACE_INDEX, uaa->info.bIfaceIndex); } else { sc->sc_data_iface_no = sc->sc_ctrl_iface_no; sc->sc_iface_index[0] = UPLCOM_IFACE_INDEX; } error = usbd_transfer_setup(uaa->device, sc->sc_iface_index, sc->sc_xfer, uplcom_config_data, UPLCOM_N_TRANSFER, sc, &sc->sc_mtx); if (error) { DPRINTF("one or more missing USB endpoints, " "error=%s\n", usbd_errstr(error)); goto detach; } error = uplcom_reset(sc, uaa->device); if (error) { device_printf(dev, "reset failed, error=%s\n", usbd_errstr(error)); goto detach; } /* clear stall at first run */ mtx_lock(&sc->sc_mtx); usbd_xfer_set_stall(sc->sc_xfer[UPLCOM_BULK_DT_WR]); usbd_xfer_set_stall(sc->sc_xfer[UPLCOM_BULK_DT_RD]); mtx_unlock(&sc->sc_mtx); error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, &uplcom_callback, &sc->sc_mtx); if (error) { goto detach; } /* * do the initialization during attach so that the system does not * sleep during open: */ if (sc->sc_chiptype == TYPE_PL2303X) { if (uplcom_pl2303x_init(uaa->device)) { device_printf(dev, "init failed!\n"); goto detach; } } return (0); detach: uplcom_detach(dev); return (ENXIO); } static int uplcom_detach(device_t dev) { struct uplcom_softc *sc = device_get_softc(dev); DPRINTF("sc=%p\n", sc); ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom, 1); usbd_transfer_unsetup(sc->sc_xfer, UPLCOM_N_TRANSFER); mtx_destroy(&sc->sc_mtx); return (0); } static usb_error_t uplcom_reset(struct uplcom_softc *sc, struct usb_device *udev) { struct usb_device_request req; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UPLCOM_SET_REQUEST; USETW(req.wValue, 0); req.wIndex[0] = sc->sc_data_iface_no; req.wIndex[1] = 0; USETW(req.wLength, 0); return (usbd_do_request(udev, NULL, &req, NULL)); } struct pl2303x_init { uint8_t req_type; uint8_t request; uint16_t value; uint16_t index; uint16_t length; }; static const struct pl2303x_init pl2303x[] = { {UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 1}, {UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0, 0}, {UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 1}, {UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 1}, {UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 1}, {UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1, 0}, {UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 1}, {UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 1}, {UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1, 0}, {UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0, 0}, {UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44, 0}, {UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 8, 0, 0}, {UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 9, 0, 0}, }; #define N_PL2302X_INIT (sizeof(pl2303x)/sizeof(pl2303x[0])) static int uplcom_pl2303x_init(struct usb_device *udev) { struct usb_device_request req; usb_error_t err; uint8_t buf[4]; uint8_t i; for (i = 0; i != N_PL2302X_INIT; i++) { req.bmRequestType = pl2303x[i].req_type; req.bRequest = pl2303x[i].request; USETW(req.wValue, pl2303x[i].value); USETW(req.wIndex, pl2303x[i].index); USETW(req.wLength, pl2303x[i].length); err = usbd_do_request(udev, NULL, &req, buf); if (err) { DPRINTF("error=%s\n", usbd_errstr(err)); return (EIO); } } return (0); } static void uplcom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) { struct uplcom_softc *sc = ucom->sc_parent; struct usb_device_request req; DPRINTF("onoff = %d\n", onoff); if (onoff) sc->sc_line |= UCDC_LINE_DTR; else sc->sc_line &= ~UCDC_LINE_DTR; req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SET_CONTROL_LINE_STATE; USETW(req.wValue, sc->sc_line); req.wIndex[0] = sc->sc_data_iface_no; req.wIndex[1] = 0; USETW(req.wLength, 0); ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, &req, NULL, 0, 1000); } static void uplcom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) { struct uplcom_softc *sc = ucom->sc_parent; struct usb_device_request req; DPRINTF("onoff = %d\n", onoff); if (onoff) sc->sc_line |= UCDC_LINE_RTS; else sc->sc_line &= ~UCDC_LINE_RTS; req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SET_CONTROL_LINE_STATE; USETW(req.wValue, sc->sc_line); req.wIndex[0] = sc->sc_data_iface_no; req.wIndex[1] = 0; USETW(req.wLength, 0); ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, &req, NULL, 0, 1000); } static void uplcom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) { struct uplcom_softc *sc = ucom->sc_parent; struct usb_device_request req; uint16_t temp; DPRINTF("onoff = %d\n", onoff); temp = (onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SEND_BREAK; USETW(req.wValue, temp); req.wIndex[0] = sc->sc_data_iface_no; req.wIndex[1] = 0; USETW(req.wLength, 0); ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, &req, NULL, 0, 1000); } static const int32_t uplcom_rates[] = { 75, 150, 300, 600, 1200, 1800, 2400, 3600, 4800, 7200, 9600, 14400, 19200, 28800, 38400, 57600, 115200, /* * Higher speeds are probably possible. PL2303X supports up to * 6Mb and can set any rate */ 230400, 460800, 614400, 921600, 1228800 }; #define N_UPLCOM_RATES (sizeof(uplcom_rates)/sizeof(uplcom_rates[0])) static int uplcom_pre_param(struct ucom_softc *ucom, struct termios *t) { uint8_t i; DPRINTF("\n"); /* check requested baud rate */ for (i = 0;; i++) { if (i != N_UPLCOM_RATES) { if (uplcom_rates[i] == t->c_ospeed) { break; } } else { DPRINTF("invalid baud rate (%d)\n", t->c_ospeed); return (EIO); } } return (0); } static void uplcom_cfg_param(struct ucom_softc *ucom, struct termios *t) { struct uplcom_softc *sc = ucom->sc_parent; struct usb_cdc_line_state ls; struct usb_device_request req; DPRINTF("sc = %p\n", sc); bzero(&ls, sizeof(ls)); USETDW(ls.dwDTERate, t->c_ospeed); if (t->c_cflag & CSTOPB) { ls.bCharFormat = UCDC_STOP_BIT_2; } else { ls.bCharFormat = UCDC_STOP_BIT_1; } if (t->c_cflag & PARENB) { if (t->c_cflag & PARODD) { ls.bParityType = UCDC_PARITY_ODD; } else { ls.bParityType = UCDC_PARITY_EVEN; } } else { ls.bParityType = UCDC_PARITY_NONE; } switch (t->c_cflag & CSIZE) { case CS5: ls.bDataBits = 5; break; case CS6: ls.bDataBits = 6; break; case CS7: ls.bDataBits = 7; break; case CS8: ls.bDataBits = 8; break; } DPRINTF("rate=%d fmt=%d parity=%d bits=%d\n", UGETDW(ls.dwDTERate), ls.bCharFormat, ls.bParityType, ls.bDataBits); req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SET_LINE_CODING; USETW(req.wValue, 0); req.wIndex[0] = sc->sc_data_iface_no; req.wIndex[1] = 0; USETW(req.wLength, UCDC_LINE_STATE_LENGTH); ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, &req, &ls, 0, 1000); if (t->c_cflag & CRTSCTS) { DPRINTF("crtscts = on\n"); req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UPLCOM_SET_REQUEST; USETW(req.wValue, 0); if (sc->sc_chiptype == TYPE_PL2303X) USETW(req.wIndex, UPLCOM_SET_CRTSCTS_PL2303X); else USETW(req.wIndex, UPLCOM_SET_CRTSCTS); USETW(req.wLength, 0); ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, &req, NULL, 0, 1000); } else { req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UPLCOM_SET_REQUEST; USETW(req.wValue, 0); USETW(req.wIndex, 0); USETW(req.wLength, 0); ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, &req, NULL, 0, 1000); } } static void uplcom_start_read(struct ucom_softc *ucom) { struct uplcom_softc *sc = ucom->sc_parent; /* start interrupt endpoint */ usbd_transfer_start(sc->sc_xfer[UPLCOM_INTR_DT_RD]); /* start read endpoint */ usbd_transfer_start(sc->sc_xfer[UPLCOM_BULK_DT_RD]); } static void uplcom_stop_read(struct ucom_softc *ucom) { struct uplcom_softc *sc = ucom->sc_parent; /* stop interrupt endpoint */ usbd_transfer_stop(sc->sc_xfer[UPLCOM_INTR_DT_RD]); /* stop read endpoint */ usbd_transfer_stop(sc->sc_xfer[UPLCOM_BULK_DT_RD]); } static void uplcom_start_write(struct ucom_softc *ucom) { struct uplcom_softc *sc = ucom->sc_parent; usbd_transfer_start(sc->sc_xfer[UPLCOM_BULK_DT_WR]); } static void uplcom_stop_write(struct ucom_softc *ucom) { struct uplcom_softc *sc = ucom->sc_parent; usbd_transfer_stop(sc->sc_xfer[UPLCOM_BULK_DT_WR]); } static void uplcom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) { struct uplcom_softc *sc = ucom->sc_parent; DPRINTF("\n"); *lsr = sc->sc_lsr; *msr = sc->sc_msr; } static void uplcom_intr_callback(struct usb_xfer *xfer, usb_error_t error) { struct uplcom_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; uint8_t buf[9]; int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTF("actlen = %u\n", actlen); if (actlen >= 9) { pc = usbd_xfer_get_frame(xfer, 0); usbd_copy_out(pc, 0, buf, sizeof(buf)); DPRINTF("status = 0x%02x\n", buf[8]); sc->sc_lsr = 0; sc->sc_msr = 0; if (buf[8] & RSAQ_STATUS_CTS) { sc->sc_msr |= SER_CTS; } if (buf[8] & RSAQ_STATUS_DSR) { sc->sc_msr |= SER_DSR; } if (buf[8] & RSAQ_STATUS_DCD) { sc->sc_msr |= SER_DCD; } ucom_status_change(&sc->sc_ucom); } case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); return; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } } static void uplcom_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct uplcom_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; uint32_t actlen; switch (USB_GET_STATE(xfer)) { case USB_ST_SETUP: case USB_ST_TRANSFERRED: tr_setup: pc = usbd_xfer_get_frame(xfer, 0); if (ucom_get_data(&sc->sc_ucom, pc, 0, UPLCOM_BULK_BUF_SIZE, &actlen)) { DPRINTF("actlen = %d\n", actlen); usbd_xfer_set_frame_len(xfer, 0, actlen); usbd_transfer_submit(xfer); } return; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } } static void uplcom_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct uplcom_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: pc = usbd_xfer_get_frame(xfer, 0); ucom_put_data(&sc->sc_ucom, pc, 0, actlen); case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); return; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } }