/* $NetBSD: uplcom.c,v 1.21 2001/11/13 06:24:56 lukem Exp $ */ /*- * 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. */ #include __FBSDID("$FreeBSD$"); /*- * 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 "opt_uplcom.h" #include #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" #include #include SYSCTL_NODE(_hw_usb, OID_AUTO, uplcom, CTLFLAG_RW, 0, "USB uplcom"); #ifdef USB_DEBUG static int uplcomdebug = 0; SYSCTL_INT(_hw_usb_uplcom, OID_AUTO, debug, CTLFLAG_RW, &uplcomdebug, 0, "uplcom debug level"); #define DPRINTFN(n, x) do { \ if (uplcomdebug > (n)) \ logprintf x; \ } while (0) #else #define DPRINTFN(n, x) #endif #define DPRINTF(x) DPRINTFN(0, x) #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 100 /* ms */ #endif #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 struct uplcom_softc { struct ucom_softc sc_ucom; 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; usb_cdc_line_state_t sc_line_state; /* current line state */ 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; /* uplcom status register */ int sc_chiptype; /* Type of chip */ struct task sc_task; }; /* * These are the maximum number of bytes transferred per frame. * The output buffer size cannot be increased due to the size encoding. */ #define UPLCOMIBUFSIZE 256 #define UPLCOMOBUFSIZE 256 static usbd_status uplcom_reset(struct uplcom_softc *); static usbd_status uplcom_set_line_coding(struct uplcom_softc *, usb_cdc_line_state_t *); static usbd_status uplcom_set_crtscts(struct uplcom_softc *); static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); static void uplcom_set(void *, int, int, int); static void uplcom_dtr(struct uplcom_softc *, int); static void uplcom_rts(struct uplcom_softc *, int); static void uplcom_break(struct uplcom_softc *, int); static void uplcom_set_line_state(struct uplcom_softc *); static void uplcom_get_status(void *, int, u_char *, u_char *); #if 0 /* TODO */ static int uplcom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr); #endif static int uplcom_param(void *, int, struct termios *); static int uplcom_open(void *, int); static void uplcom_close(void *, int); static void uplcom_notify(void *, int); struct ucom_callback uplcom_callback = { uplcom_get_status, uplcom_set, uplcom_param, NULL, /* uplcom_ioctl, TODO */ uplcom_open, uplcom_close, NULL, NULL }; static const struct uplcom_product { uint16_t vendor; uint16_t product; int32_t release; /* release is a 16bit entity, * if -1 is specified we "don't care" * This is a floor value. The table * must have newer revs before older * revs (and -1 last). */ char chiptype; } uplcom_products [] = { { USB_VENDOR_RADIOSHACK, USB_PRODUCT_RADIOSHACK_USBCABLE, -1, TYPE_PL2303 }, /* I/O DATA USB-RSAQ */ { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ, -1, TYPE_PL2303 }, /* Prolific Pharos */ { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PHAROS, -1, TYPE_PL2303 }, /* I/O DATA USB-RSAQ2 */ { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2, -1, TYPE_PL2303 }, /* I/O DATA USB-RSAQ3 */ { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3, -1, TYPE_PL2303X }, /* Willcom W-SIM*/ { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_WSIM, -1, TYPE_PL2303X}, /* PLANEX USB-RS232 URS-03 */ { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A, -1, TYPE_PL2303 }, /* ST Lab USB-SERIAL-4 */ { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303, 0x300, TYPE_PL2303X }, /* IOGEAR/ATEN UC-232A (also ST Lab USB-SERIAL-1) */ { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303, -1, TYPE_PL2303 }, /* TDK USB-PHS Adapter UHA6400 */ { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400, -1, TYPE_PL2303 }, /* RATOC REX-USB60 */ { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60, -1, TYPE_PL2303 }, /* ELECOM UC-SGT */ { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT, -1, TYPE_PL2303 }, { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0, -1, TYPE_PL2303 }, /* Sagem USB-Serial Controller */ { USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_USBSERIAL, -1, TYPE_PL2303X }, /* Sony Ericsson USB Cable */ { USB_VENDOR_SONYERICSSON, USB_PRODUCT_SONYERICSSON_DCU10, -1,TYPE_PL2303 }, /* SOURCENEXT KeikaiDenwa 8 */ { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8, -1, TYPE_PL2303 }, /* SOURCENEXT KeikaiDenwa 8 with charger */ { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG, -1, TYPE_PL2303 }, /* HAL Corporation Crossam2+USB */ { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001, -1, TYPE_PL2303 }, /* Sitecom USB to Serial */ { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_SERIAL, -1, TYPE_PL2303 }, /* Tripp-Lite U209-000-R */ { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209, -1, TYPE_PL2303X }, { 0, 0 } }; static device_probe_t uplcom_match; static device_attach_t uplcom_attach; static device_detach_t uplcom_detach; static device_method_t uplcom_methods[] = { /* Device interface */ DEVMETHOD(device_probe, uplcom_match), DEVMETHOD(device_attach, uplcom_attach), DEVMETHOD(device_detach, uplcom_detach), { 0, 0 } }; static driver_t uplcom_driver = { "ucom", uplcom_methods, sizeof (struct uplcom_softc) }; DRIVER_MODULE(uplcom, uhub, uplcom_driver, ucom_devclass, usbd_driver_load, 0); MODULE_DEPEND(uplcom, usb, 1, 1, 1); MODULE_DEPEND(uplcom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER); MODULE_VERSION(uplcom, UPLCOM_MODVER); static int uplcominterval = UPLCOM_INTR_INTERVAL; static int sysctl_hw_usb_uplcom_interval(SYSCTL_HANDLER_ARGS) { int err, val; val = uplcominterval; err = sysctl_handle_int(oidp, &val, 0, req); if (err != 0 || req->newptr == NULL) return (err); if (0 < val && val <= 1000) uplcominterval = val; else err = EINVAL; return (err); } SYSCTL_PROC(_hw_usb_uplcom, OID_AUTO, interval, CTLTYPE_INT | CTLFLAG_RW, 0, sizeof(int), sysctl_hw_usb_uplcom_interval, "I", "uplcom interrupt pipe interval"); static int uplcom_match(device_t self) { USB_MATCH_START(uplcom, uaa); int i; if (uaa->iface != NULL) return (UMATCH_NONE); for (i = 0; uplcom_products[i].vendor != 0; i++) { if (uplcom_products[i].vendor == uaa->vendor && uplcom_products[i].product == uaa->product && (uplcom_products[i].release <= uaa->release || uplcom_products[i].release == -1)) { return (UMATCH_VENDOR_PRODUCT); } } return (UMATCH_NONE); } static int uplcom_attach(device_t self) { USB_ATTACH_START(uplcom, sc, uaa); usbd_device_handle dev = uaa->device; struct ucom_softc *ucom; usb_config_descriptor_t *cdesc; usb_interface_descriptor_t *id; usb_endpoint_descriptor_t *ed; const char *devname; usbd_status err; int i; ucom = &sc->sc_ucom; ucom->sc_dev = self; ucom->sc_udev = dev; ucom->sc_iface = uaa->iface; devname = device_get_nameunit(ucom->sc_dev); DPRINTF(("uplcom attach: sc = %p\n", sc)); /* determine chip type */ for (i = 0; uplcom_products[i].vendor != 0; i++) { if (uplcom_products[i].vendor == uaa->vendor && uplcom_products[i].product == uaa->product && (uplcom_products[i].release == uaa->release || uplcom_products[i].release == -1)) { sc->sc_chiptype = uplcom_products[i].chiptype; break; } } /* * check we found the device - attach should have ensured we * don't get here without matching device */ if (uplcom_products[i].vendor == 0) { printf("%s: didn't match\n", devname); ucom->sc_dying = 1; goto error; } #ifdef USB_DEBUG /* print the chip type */ if (sc->sc_chiptype == TYPE_PL2303X) { DPRINTF(("uplcom_attach: chiptype 2303X\n")); } else { DPRINTF(("uplcom_attach: chiptype 2303\n")); } #endif /* initialize endpoints */ ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1; sc->sc_intr_number = -1; sc->sc_intr_pipe = NULL; /* Move the device into the configured state. */ err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); if (err) { printf("%s: failed to set configuration: %s\n", devname, usbd_errstr(err)); ucom->sc_dying = 1; goto error; } /* get the config descriptor */ cdesc = usbd_get_config_descriptor(ucom->sc_udev); if (cdesc == NULL) { printf("%s: failed to get configuration descriptor\n", device_get_nameunit(ucom->sc_dev)); ucom->sc_dying = 1; goto error; } /* get the (first/common) interface */ err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, &ucom->sc_iface); if (err) { printf("%s: failed to get interface: %s\n", devname, usbd_errstr(err)); ucom->sc_dying = 1; goto error; } /* Find the interrupt endpoints */ id = usbd_get_interface_descriptor(ucom->sc_iface); sc->sc_iface_number = id->bInterfaceNumber; for (i = 0; i < id->bNumEndpoints; i++) { ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i); if (ed == NULL) { printf("%s: no endpoint descriptor for %d\n", device_get_nameunit(ucom->sc_dev), i); ucom->sc_dying = 1; goto error; } 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", device_get_nameunit(ucom->sc_dev)); ucom->sc_dying = 1; goto error; } /* keep interface for interrupt */ sc->sc_intr_iface = ucom->sc_iface; /* * 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) | */ if (cdesc->bNumInterface == 2) { err = usbd_device2interface_handle(dev, UPLCOM_SECOND_IFACE_INDEX, &ucom->sc_iface); if (err) { printf("%s: failed to get second interface: %s\n", devname, usbd_errstr(err)); ucom->sc_dying = 1; goto error; } } /* Find the bulk{in,out} endpoints */ id = usbd_get_interface_descriptor(ucom->sc_iface); sc->sc_iface_number = id->bInterfaceNumber; for (i = 0; i < id->bNumEndpoints; i++) { ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i); if (ed == NULL) { printf("%s: no endpoint descriptor for %d\n", device_get_nameunit(ucom->sc_dev), i); ucom->sc_dying = 1; goto error; } if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { ucom->sc_bulkin_no = ed->bEndpointAddress; } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { ucom->sc_bulkout_no = ed->bEndpointAddress; } } if (ucom->sc_bulkin_no == -1) { printf("%s: Could not find data bulk in\n", device_get_nameunit(ucom->sc_dev)); ucom->sc_dying = 1; goto error; } if (ucom->sc_bulkout_no == -1) { printf("%s: Could not find data bulk out\n", device_get_nameunit(ucom->sc_dev)); ucom->sc_dying = 1; goto error; } sc->sc_dtr = sc->sc_rts = -1; ucom->sc_parent = sc; ucom->sc_portno = UCOM_UNK_PORTNO; /* bulkin, bulkout set above */ ucom->sc_ibufsize = UPLCOMIBUFSIZE; ucom->sc_obufsize = UPLCOMOBUFSIZE; ucom->sc_ibufsizepad = UPLCOMIBUFSIZE; ucom->sc_opkthdrlen = 0; ucom->sc_callback = &uplcom_callback; err = uplcom_reset(sc); if (err) { printf("%s: reset failed: %s\n", device_get_nameunit(ucom->sc_dev), usbd_errstr(err)); ucom->sc_dying = 1; goto error; } DPRINTF(("uplcom: in = 0x%x, out = 0x%x, intr = 0x%x\n", ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number)); TASK_INIT(&sc->sc_task, 0, uplcom_notify, sc); ucom_attach(&sc->sc_ucom); return 0; error: return ENXIO; } static int uplcom_detach(device_t self) { USB_DETACH_START(uplcom, sc); int rv = 0; DPRINTF(("uplcom_detach: sc = %p\n", sc)); 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; } sc->sc_ucom.sc_dying = 1; rv = ucom_detach(&sc->sc_ucom); return (rv); } static usbd_status uplcom_reset(struct uplcom_softc *sc) { usb_device_request_t req; usbd_status err; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UPLCOM_SET_REQUEST; USETW(req.wValue, 0); USETW(req.wIndex, sc->sc_iface_number); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0); if (err) { printf("%s: uplcom_reset: %s\n", device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(err)); return (EIO); } return (0); } 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, 0 }, { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0, 0 }, { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1, 0 }, { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 0 }, { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 0 }, { 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 } }; #define N_PL2302X_INIT (sizeof(pl2303x)/sizeof(pl2303x[0])) static usbd_status uplcom_pl2303x_init(struct uplcom_softc *sc) { usb_device_request_t req; usbd_status err; int 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(sc->sc_ucom.sc_udev, &req, 0); if (err) { printf("%s: uplcom_pl2303x_init: %d: %s\n", device_get_nameunit(sc->sc_ucom.sc_dev), i, usbd_errstr(err)); return (EIO); } } return (0); } static void uplcom_set_line_state(struct uplcom_softc *sc) { usb_device_request_t req; int ls; usbd_status err; ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | (sc->sc_rts ? UCDC_LINE_RTS : 0); req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SET_CONTROL_LINE_STATE; USETW(req.wValue, ls); USETW(req.wIndex, sc->sc_iface_number); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0); if (err) printf("%s: uplcom_set_line_status: %s\n", device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(err)); } static void uplcom_set(void *addr, int portno, int reg, int onoff) { struct uplcom_softc *sc = addr; switch (reg) { case UCOM_SET_DTR: uplcom_dtr(sc, onoff); break; case UCOM_SET_RTS: uplcom_rts(sc, onoff); break; case UCOM_SET_BREAK: uplcom_break(sc, onoff); break; default: break; } } static void uplcom_dtr(struct uplcom_softc *sc, int onoff) { DPRINTF(("uplcom_dtr: onoff = %d\n", onoff)); if (sc->sc_dtr == onoff) return; sc->sc_dtr = onoff; uplcom_set_line_state(sc); } static void uplcom_rts(struct uplcom_softc *sc, int onoff) { DPRINTF(("uplcom_rts: onoff = %d\n", onoff)); if (sc->sc_rts == onoff) return; sc->sc_rts = onoff; uplcom_set_line_state(sc); } static void uplcom_break(struct uplcom_softc *sc, int onoff) { usb_device_request_t req; usbd_status err; DPRINTF(("uplcom_break: onoff = %d\n", onoff)); req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SEND_BREAK; USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); USETW(req.wIndex, sc->sc_iface_number); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0); if (err) printf("%s: uplcom_break: %s\n", device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(err)); } static usbd_status uplcom_set_crtscts(struct uplcom_softc *sc) { usb_device_request_t req; usbd_status err; DPRINTF(("uplcom_set_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); err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0); if (err) { printf("%s: uplcom_set_crtscts: %s\n", device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(err)); return (err); } return (USBD_NORMAL_COMPLETION); } static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) { usb_device_request_t req; usbd_status err; DPRINTF(( "uplcom_set_line_coding: rate = %d, fmt = %d, parity = %d bits = %d\n", UGETDW(state->dwDTERate), state->bCharFormat, state->bParityType, state->bDataBits)); if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { DPRINTF(("uplcom_set_line_coding: already set\n")); return (USBD_NORMAL_COMPLETION); } req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SET_LINE_CODING; USETW(req.wValue, 0); USETW(req.wIndex, sc->sc_iface_number); USETW(req.wLength, UCDC_LINE_STATE_LENGTH); err = usbd_do_request(sc->sc_ucom.sc_udev, &req, state); if (err) { printf("%s: uplcom_set_line_coding: %s\n", device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(err)); return (err); } sc->sc_line_state = *state; return (USBD_NORMAL_COMPLETION); } static const int 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_param(void *addr, int portno, struct termios *t) { struct uplcom_softc *sc = addr; usbd_status err; usb_cdc_line_state_t ls; int i; DPRINTF(("uplcom_param: sc = %p\n", sc)); /* Check requested baud rate */ for (i = 0; i < N_UPLCOM_RATES; i++) if (uplcom_rates[i] == t->c_ospeed) break; if (i == N_UPLCOM_RATES) { DPRINTF(("uplcom_param: bad baud rate (%d)\n", t->c_ospeed)); return (EIO); } USETDW(ls.dwDTERate, t->c_ospeed); if (ISSET(t->c_cflag, CSTOPB)) ls.bCharFormat = UCDC_STOP_BIT_2; else ls.bCharFormat = UCDC_STOP_BIT_1; if (ISSET(t->c_cflag, PARENB)) { if (ISSET(t->c_cflag, PARODD)) ls.bParityType = UCDC_PARITY_ODD; else ls.bParityType = UCDC_PARITY_EVEN; } else ls.bParityType = UCDC_PARITY_NONE; switch (ISSET(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; } err = uplcom_set_line_coding(sc, &ls); if (err) return (EIO); if (ISSET(t->c_cflag, CRTSCTS)) { err = uplcom_set_crtscts(sc); if (err) return (EIO); } return (0); } static int uplcom_open(void *addr, int portno) { struct uplcom_softc *sc = addr; int err; if (sc->sc_ucom.sc_dying) return (ENXIO); DPRINTF(("uplcom_open: sc = %p\n", sc)); if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { sc->sc_status = 0; /* clear status bit */ 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, uplcom_intr, uplcominterval); if (err) { printf("%s: cannot open interrupt pipe (addr %d)\n", device_get_nameunit(sc->sc_ucom.sc_dev), sc->sc_intr_number); return (EIO); } } if (sc->sc_chiptype == TYPE_PL2303X) return (uplcom_pl2303x_init(sc)); return (0); } static void uplcom_close(void *addr, int portno) { struct uplcom_softc *sc = addr; int err; if (sc->sc_ucom.sc_dying) return; DPRINTF(("uplcom_close: close\n")); if (sc->sc_intr_pipe != NULL) { err = usbd_abort_pipe(sc->sc_intr_pipe); if (err) printf("%s: abort interrupt pipe failed: %s\n", device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(err)); err = usbd_close_pipe(sc->sc_intr_pipe); if (err) printf("%s: close interrupt pipe failed: %s\n", device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(err)); free(sc->sc_intr_buf, M_USBDEV); sc->sc_intr_pipe = NULL; } } static void uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) { struct uplcom_softc *sc = priv; u_char *buf = sc->sc_intr_buf; u_char pstatus; if (sc->sc_ucom.sc_dying) return; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; DPRINTF(("%s: uplcom_intr: abnormal status: %s\n", device_get_nameunit(sc->sc_ucom.sc_dev), usbd_errstr(status))); usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); return; } DPRINTF(("%s: uplcom status = %02x\n", device_get_nameunit(sc->sc_ucom.sc_dev), buf[8])); sc->sc_lsr = sc->sc_msr = 0; pstatus = buf[8]; if (ISSET(pstatus, RSAQ_STATUS_CTS)) sc->sc_msr |= SER_CTS; else sc->sc_msr &= ~SER_CTS; if (ISSET(pstatus, RSAQ_STATUS_DSR)) sc->sc_msr |= SER_DSR; else sc->sc_msr &= ~SER_DSR; if (ISSET(pstatus, RSAQ_STATUS_DCD)) sc->sc_msr |= SER_DCD; else sc->sc_msr &= ~SER_DCD; /* Deferred notifying to the ucom layer */ taskqueue_enqueue(taskqueue_swi_giant, &sc->sc_task); } static void uplcom_notify(void *arg, int count) { struct uplcom_softc *sc; sc = (struct uplcom_softc *)arg; if (sc->sc_ucom.sc_dying) return; ucom_status_change(&sc->sc_ucom); } static void uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) { struct uplcom_softc *sc = addr; DPRINTF(("uplcom_get_status:\n")); if (lsr != NULL) *lsr = sc->sc_lsr; if (msr != NULL) *msr = sc->sc_msr; } #if 0 /* TODO */ static int uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, struct thread *p) { struct uplcom_softc *sc = addr; int error = 0; if (sc->sc_ucom.sc_dying) return (EIO); DPRINTF(("uplcom_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(("uplcom_ioctl: unknown\n")); error = ENOTTY; break; } return (error); } #endif