/* $NetBSD: uplcom.c,v 1.94 2022/07/06 15:24:14 hannken Exp $ */ /* * 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. * * 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. */ /* * General information: http://www.prolific.com.tw/fr_pl2303.htm * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf */ #include __KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.94 2022/07/06 15:24:14 hannken Exp $"); #ifdef _KERNEL_OPT #include "opt_usb.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef USB_DEBUG #ifndef UPLCOM_DEBUG #define uplcomdebug 0 #else int uplcomdebug = 0; SYSCTL_SETUP(sysctl_hw_uplcom_setup, "sysctl hw.uplcom setup") { int err; const struct sysctlnode *rnode; const struct sysctlnode *cnode; err = sysctl_createv(clog, 0, NULL, &rnode, CTLFLAG_PERMANENT, CTLTYPE_NODE, "uplcom", SYSCTL_DESCR("uplcom global controls"), NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL); if (err) goto fail; /* control debugging printfs */ err = sysctl_createv(clog, 0, &rnode, &cnode, CTLFLAG_PERMANENT|CTLFLAG_READWRITE, CTLTYPE_INT, "debug", SYSCTL_DESCR("Enable debugging output"), NULL, 0, &uplcomdebug, sizeof(uplcomdebug), CTL_CREATE, CTL_EOL); if (err) goto fail; return; fail: aprint_error("%s: sysctl_createv failed (err = %d)\n", __func__, err); } #endif /* UCOM_DEBUG */ #endif /* USB_DEBUG */ #define DPRINTF(FMT,A,B,C,D) USBHIST_LOGN(uplcomdebug,1,FMT,A,B,C,D) #define DPRINTFN(N,FMT,A,B,C,D) USBHIST_LOGN(uplcomdebug,N,FMT,A,B,C,D) #define UPLCOMHIST_FUNC() USBHIST_FUNC() #define UPLCOMHIST_CALLED(name) USBHIST_CALLED(uplcomdebug) #define UPLCOM_CONFIG_INDEX 0 #define UPLCOM_IFACE_INDEX 0 #define UPLCOM_SECOND_IFACE_INDEX 1 #define UPLCOM_SET_REQUEST 0x01 #define UPLCOM_SET_CRTSCTS_0 0x41 #define UPLCOM_SET_CRTSCTS_HX 0x61 #define UPLCOM_HX_STATUS_REG 0x8080 #define UPLCOM_N_SERIAL_CTS 0x80 #define UPLCOM_HXN_SET_REQUEST 0x80 #define UPLCOM_HXN_SET_CRTSCTS_REG 0x0A #define UPLCOM_HXN_SET_CRTSCTS 0xFA enum pl2303_type { UPLCOM_TYPE_0, /* we use this for all non-HX variants */ UPLCOM_TYPE_HX, UPLCOM_TYPE_HXN, }; struct uplcom_softc { device_t sc_dev; /* base device */ struct usbd_device * sc_udev; /* USB device */ struct usbd_interface * sc_iface; /* interface */ int sc_iface_number; /* interface number */ struct usbd_interface * sc_intr_iface; /* interrupt interface */ int sc_intr_number; /* interrupt number */ struct usbd_pipe * 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 */ int sc_dtr; /* current DTR state */ int sc_rts; /* current RTS state */ device_t sc_subdev; /* ucom device */ bool sc_dying; /* disconnecting */ u_char sc_lsr; /* Local status register */ u_char sc_msr; /* uplcom status register */ enum pl2303_type sc_type; /* PL2303 chip type */ }; /* * 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(struct usbd_xfer *, void *, 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 TODO static int uplcom_ioctl(void *, int, u_long, void *, int, proc_t *); #endif static int uplcom_param(void *, int, struct termios *); static int uplcom_open(void *, int); static void uplcom_close(void *, int); static usbd_status uplcom_vendor_control_write(struct usbd_device *, uint16_t, uint16_t); static void uplcom_close_pipe(struct uplcom_softc *); static const struct ucom_methods uplcom_methods = { .ucom_get_status = uplcom_get_status, .ucom_set = uplcom_set, .ucom_param = uplcom_param, .ucom_ioctl = NULL, /* TODO */ .ucom_open = uplcom_open, .ucom_close = uplcom_close, }; static const struct usb_devno uplcom_devs[] = { /* I/O DATA USB-RSAQ2 */ { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 }, /* I/O DATA USB-RSAQ3 */ { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3 }, /* I/O DATA USB-RSAQ */ { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ }, /* I/O DATA USB-RSAQ5 */ { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 }, /* PLANEX USB-RS232 URS-03 */ { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A }, /* various */ { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, /* SMART Technologies USB to serial */ { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 }, /* IOGEAR/ATENTRIPPLITE */ { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 }, /* ELECOM UC-SGT */ { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT }, /* ELECOM UC-SGT0 */ { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 }, /* Panasonic 50" Touch Panel */ { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S }, /* RATOC REX-USB60 */ { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 }, /* TDK USB-PHS Adapter UHA6400 */ { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 }, /* TDK USB-PDC Adapter UPA9664 */ { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 }, /* Sony Ericsson USB Cable */ { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 }, /* SOURCENEXT KeikaiDenwa 8 */ { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 }, /* SOURCENEXT KeikaiDenwa 8 with charger */ { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG }, /* HAL Corporation Crossam2+USB */ { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 }, /* Sitecom USB to serial cable */ { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 }, /* Pharos USB GPS - Microsoft version */ { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X }, /* Willcom WS002IN (DD) */ { USB_VENDOR_NETINDEX, USB_PRODUCT_NETINDEX_WS002IN }, /* COREGA CG-USBRS232R */ { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_CGUSBRS232R }, /* Sharp CE-175TU (USB to Zaurus option port 15 adapter) */ { USB_VENDOR_SHARP, USB_PRODUCT_SHARP_CE175TU }, /* Various */ { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GB }, { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GC }, { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GE }, { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GL }, { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GS }, { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303GT }, }; #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p) static int uplcom_match(device_t, cfdata_t, void *); static void uplcom_attach(device_t, device_t, void *); static void uplcom_childdet(device_t, device_t); static int uplcom_detach(device_t, int); CFATTACH_DECL2_NEW(uplcom, sizeof(struct uplcom_softc), uplcom_match, uplcom_attach, uplcom_detach, NULL, NULL, uplcom_childdet); static int uplcom_match(device_t parent, cfdata_t match, void *aux) { struct usb_attach_arg *uaa = aux; return uplcom_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? UMATCH_VENDOR_PRODUCT : UMATCH_NONE; } static void uplcom_attach(device_t parent, device_t self, void *aux) { struct uplcom_softc *sc = device_private(self); struct usb_attach_arg *uaa = aux; struct usbd_device *dev = uaa->uaa_device; usb_device_descriptor_t *ddesc; usb_config_descriptor_t *cdesc; usb_interface_descriptor_t *id; usb_endpoint_descriptor_t *ed; usb_device_request_t req; char *devinfop; const char *devname = device_xname(self); usbd_status err; uint8_t val; int i; struct ucom_attach_args ucaa; UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); DPRINTF("sc=%#jx", (uintptr_t)sc, 0, 0, 0); sc->sc_dev = self; sc->sc_dying = false; 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_udev = dev; /* initialize endpoints */ ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -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) { aprint_error("\n%s: failed to set configuration, err=%s\n", devname, usbd_errstr(err)); sc->sc_dying = true; return; } /* determine chip type */ ddesc = usbd_get_device_descriptor(dev); if (ddesc->bDeviceClass != UDCLASS_COMM && ddesc->bMaxPacketSize == 0x40) sc->sc_type = UPLCOM_TYPE_HX; if (sc->sc_type == UPLCOM_TYPE_HX) { req.bmRequestType = UT_READ_VENDOR_DEVICE; req.bRequest = UPLCOM_SET_REQUEST; USETW(req.wValue, UPLCOM_HX_STATUS_REG); USETW(req.wIndex, sc->sc_iface_number); USETW(req.wLength, 1); err = usbd_do_request(sc->sc_udev, &req, &val); if (err) sc->sc_type = UPLCOM_TYPE_HXN; } #ifdef UPLCOM_DEBUG /* print the chip type */ if (sc->sc_type == UPLCOM_TYPE_HXN) { DPRINTF("chiptype HXN", 0, 0, 0, 0); } else if (sc->sc_type == UPLCOM_TYPE_HX) { DPRINTF("chiptype HX", 0, 0, 0, 0); } else { DPRINTF("chiptype 0", 0, 0, 0, 0); } #endif /* Move the device into the configured state. */ err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); if (err) { aprint_error_dev(self, "failed to set configuration: %s\n", usbd_errstr(err)); sc->sc_dying = true; return; } /* get the config descriptor */ cdesc = usbd_get_config_descriptor(sc->sc_udev); if (cdesc == NULL) { aprint_error_dev(self, "failed to get configuration descriptor\n"); sc->sc_dying = true; return; } /* get the (first/common) interface */ err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, &sc->sc_iface); if (err) { aprint_error("\n%s: failed to get interface, err=%s\n", devname, usbd_errstr(err)); sc->sc_dying = true; 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) { aprint_error_dev(self, "no endpoint descriptor for %d\n", i); sc->sc_dying = true; 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) { aprint_error_dev(self, "Could not find interrupt in\n"); sc->sc_dying = true; return; } /* keep interface for interrupt */ sc->sc_intr_iface = sc->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, &sc->sc_iface); if (err) { aprint_error("\n%s: failed to get second interface, " "err=%s\n", devname, usbd_errstr(err)); sc->sc_dying = true; return; } } /* 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) { aprint_error_dev(self, "no endpoint descriptor for %d\n", i); sc->sc_dying = true; return; } if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { ucaa.ucaa_bulkin = ed->bEndpointAddress; } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { ucaa.ucaa_bulkout = ed->bEndpointAddress; } } if (ucaa.ucaa_bulkin == -1) { aprint_error_dev(self, "Could not find data bulk in\n"); sc->sc_dying = true; return; } if (ucaa.ucaa_bulkout == -1) { aprint_error_dev(self, "Could not find data bulk out\n"); sc->sc_dying = true; return; } sc->sc_dtr = sc->sc_rts = -1; ucaa.ucaa_portno = UCOM_UNK_PORTNO; /* ucaa_bulkin, ucaa_bulkout set above */ ucaa.ucaa_ibufsize = UPLCOMIBUFSIZE; ucaa.ucaa_obufsize = UPLCOMOBUFSIZE; ucaa.ucaa_ibufsizepad = UPLCOMIBUFSIZE; ucaa.ucaa_opkthdrlen = 0; ucaa.ucaa_device = dev; ucaa.ucaa_iface = sc->sc_iface; ucaa.ucaa_methods = &uplcom_methods; ucaa.ucaa_arg = sc; ucaa.ucaa_info = NULL; err = uplcom_reset(sc); if (err) { aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err)); sc->sc_dying = true; return; } usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); DPRINTF("in=%#jx out=%#jx intr=%#jx", ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, sc->sc_intr_number, 0); sc->sc_subdev = config_found(self, &ucaa, ucomprint, CFARGS(.submatch = ucomsubmatch)); if (!pmf_device_register(self, NULL, NULL)) aprint_error_dev(self, "couldn't establish power handler\n"); return; } static void uplcom_childdet(device_t self, device_t child) { struct uplcom_softc *sc = device_private(self); UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); KASSERT(sc->sc_subdev == child); sc->sc_subdev = NULL; } static void uplcom_close_pipe(struct uplcom_softc *sc) { if (sc->sc_intr_pipe != NULL) { usbd_abort_pipe(sc->sc_intr_pipe); usbd_close_pipe(sc->sc_intr_pipe); sc->sc_intr_pipe = NULL; } if (sc->sc_intr_buf != NULL) { kmem_free(sc->sc_intr_buf, sc->sc_isize); sc->sc_intr_buf = NULL; } } static int uplcom_detach(device_t self, int flags) { struct uplcom_softc *sc = device_private(self); int rv = 0; UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); DPRINTF("sc=%#jx flags=%jd", (uintptr_t)sc, flags, 0, 0); sc->sc_dying = true; uplcom_close_pipe(sc); 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); pmf_device_deregister(self); return rv; } usbd_status uplcom_reset(struct uplcom_softc *sc) { usb_device_request_t req; usbd_status err; if (sc->sc_type == UPLCOM_TYPE_HXN) return 0; 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_udev, &req, 0); if (err) return EIO; return 0; } struct pl2303x_init { uint8_t req_type; uint8_t request; uint16_t value; uint16_t index; }; static const struct pl2303x_init pl2303x[] = { { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 }, { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0 }, { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 }, { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0 }, { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 }, { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1 }, { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 }, { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0 }, { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1 }, { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0 }, { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44 } }; #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++) { char buf[1]; void *b; req.bmRequestType = pl2303x[i].req_type; req.bRequest = pl2303x[i].request; USETW(req.wValue, pl2303x[i].value); USETW(req.wIndex, pl2303x[i].index); if (UT_GET_DIR(req.bmRequestType) == UT_READ) { b = buf; USETW(req.wLength, sizeof(buf)); } else { b = NULL; USETW(req.wLength, 0); } err = usbd_do_request(sc->sc_udev, &req, b); if (err) { aprint_error_dev(sc->sc_dev, "uplcom_pl2303x_init failed: %s\n", usbd_errstr(err)); return EIO; } } return 0; } static void uplcom_set_line_state(struct uplcom_softc *sc) { usb_device_request_t req; int ls; /* make sure we have initialized state for sc_dtr and sc_rts */ if (sc->sc_dtr == -1) sc->sc_dtr = 0; if (sc->sc_rts == -1) sc->sc_rts = 0; 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); (void)usbd_do_request(sc->sc_udev, &req, 0); } static void uplcom_set(void *addr, int portno, int reg, int onoff) { struct uplcom_softc *sc = addr; if (sc->sc_dying) return; 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) { UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); DPRINTF("onoff=%jd", onoff, 0, 0, 0); if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff) return; sc->sc_dtr = !!onoff; uplcom_set_line_state(sc); } static void uplcom_rts(struct uplcom_softc *sc, int onoff) { UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); DPRINTF("onoff=%jd", onoff, 0, 0, 0); if (sc->sc_rts != -1 && !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; UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); DPRINTF("onoff=%jd", onoff, 0, 0, 0); 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); (void)usbd_do_request(sc->sc_udev, &req, 0); } static usbd_status uplcom_set_crtscts(struct uplcom_softc *sc) { usb_device_request_t req; usbd_status err; UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); req.bmRequestType = UT_WRITE_VENDOR_DEVICE; if (sc->sc_type == UPLCOM_TYPE_HXN) { req.bRequest = UPLCOM_HXN_SET_REQUEST; USETW(req.wValue, UPLCOM_HXN_SET_CRTSCTS_REG); } else { req.bRequest = UPLCOM_SET_REQUEST; USETW(req.wValue, 0); } if (sc->sc_type == UPLCOM_TYPE_HXN) USETW(req.wIndex, UPLCOM_HXN_SET_CRTSCTS); else if (sc->sc_type == UPLCOM_TYPE_HX) USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX); else USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0); USETW(req.wLength, 0); err = usbd_do_request(sc->sc_udev, &req, 0); if (err) { DPRINTF("failed, err=%jd", err, 0, 0, 0); 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; UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); DPRINTF("rate=%jd fmt=%jd parity=%jd bits=%jd", UGETDW(state->dwDTERate), state->bCharFormat, state->bParityType, state->bDataBits); if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { DPRINTF("already set", 0, 0, 0, 0); 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_udev, &req, state); if (err) { DPRINTF("failed, err=%ju", err, 0, 0, 0); return err; } sc->sc_line_state = *state; return USBD_NORMAL_COMPLETION; } 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; UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); DPRINTF("sc=%#jx", (uintptr_t)sc, 0, 0, 0); if (sc->sc_dying) 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) { DPRINTF("err=%jd", err, 0, 0, 0); return EIO; } if (ISSET(t->c_cflag, CRTSCTS)) uplcom_set_crtscts(sc); if (sc->sc_rts == -1 || sc->sc_dtr == -1) uplcom_set_line_state(sc); if (err) { DPRINTF("err=%jd", err, 0, 0, 0); return EIO; } return 0; } static usbd_status uplcom_vendor_control_write(struct usbd_device *dev, uint16_t value, uint16_t index) { usb_device_request_t req; usbd_status err; UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = UPLCOM_SET_REQUEST; USETW(req.wValue, value); USETW(req.wIndex, index); USETW(req.wLength, 0); err = usbd_do_request(dev, &req, NULL); if (err) { DPRINTF("vendor write failed, err=%jd", err, 0, 0, 0); } return err; } static int uplcom_open(void *addr, int portno) { struct uplcom_softc *sc = addr; usbd_status err = 0; UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); DPRINTF("sc=%#jx", (uintptr_t)sc, 0, 0, 0); if (sc->sc_dying) return EIO; /* Some unknown device frobbing. */ if (sc->sc_type == UPLCOM_TYPE_HX) uplcom_vendor_control_write(sc->sc_udev, 2, 0x44); else uplcom_vendor_control_write(sc->sc_udev, 2, 0x24); if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { sc->sc_intr_buf = kmem_alloc(sc->sc_isize, KM_SLEEP); 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, USBD_DEFAULT_INTERVAL); if (err) { DPRINTF("cannot open interrupt pipe (addr %jd)", sc->sc_intr_number, 0, 0, 0); } } if (err == 0 && sc->sc_type == UPLCOM_TYPE_HX) err = uplcom_pl2303x_init(sc); return err; } static void uplcom_close(void *addr, int portno) { struct uplcom_softc *sc = addr; UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); DPRINTF("sc=%#jx", (uintptr_t)sc, 0, 0, 0); if (sc->sc_dying) return; uplcom_close_pipe(sc); } static void uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) { struct uplcom_softc *sc = priv; u_char *buf = sc->sc_intr_buf; u_char pstatus; UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); if (sc->sc_dying) return; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; DPRINTF("abnormal status: %ju", status, 0, 0, 0); usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); return; } DPRINTF("uplcom status = %02jx", buf[8], 0, 0, 0); sc->sc_lsr = sc->sc_msr = 0; pstatus = buf[8]; if (ISSET(pstatus, UPLCOM_N_SERIAL_CTS)) sc->sc_msr |= UMSR_CTS; if (ISSET(pstatus, UCDC_N_SERIAL_RI)) sc->sc_msr |= UMSR_RI; if (ISSET(pstatus, UCDC_N_SERIAL_DSR)) sc->sc_msr |= UMSR_DSR; if (ISSET(pstatus, UCDC_N_SERIAL_DCD)) sc->sc_msr |= UMSR_DCD; ucom_status_change(device_private(sc->sc_subdev)); } static void uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) { struct uplcom_softc *sc = addr; UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); if (sc->sc_dying) return; *lsr = sc->sc_lsr; *msr = sc->sc_msr; } #if TODO static int uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag, proc_t *p) { struct uplcom_softc *sc = addr; int error = 0; UPLCOMHIST_FUNC(); UPLCOMHIST_CALLED(); if (sc->sc_dying) return EIO; DPRINTF("cmd=0x%08lx", cmd, 0, 0, 0); switch (cmd) { case TIOCNOTTY: case TIOCMGET: case TIOCMSET: case USB_GET_CM_OVER_DATA: case USB_SET_CM_OVER_DATA: break; default: DPRINTF("unknown", 0, 0, 0, 0); error = ENOTTY; break; } return error; } #endif