2003-07-14 20:19:21 +00:00
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/* $NetBSD: ucom.c,v 1.40 2001/11/13 06:24:54 lukem Exp $ */
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2002-03-18 18:23:42 +00:00
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/*-
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* Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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2003-08-24 17:55:58 +00:00
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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2002-03-18 18:23:42 +00:00
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/*
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* Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* TODO:
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* 1. How do I handle hotchar?
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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2004-05-30 20:08:47 +00:00
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#include <sys/module.h>
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2002-03-18 18:23:42 +00:00
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#include <sys/bus.h>
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#include <sys/ioccom.h>
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#include <sys/fcntl.h>
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#include <sys/conf.h>
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#include <sys/tty.h>
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#include <sys/clist.h>
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#include <sys/file.h>
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#if __FreeBSD_version >= 500014
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#include <sys/selinfo.h>
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#else
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#include <sys/select.h>
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#endif
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#include <sys/proc.h>
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#include <sys/poll.h>
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2002-07-31 13:33:55 +00:00
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#include <sys/sysctl.h>
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2002-03-18 18:23:42 +00:00
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#include <dev/usb/usb.h>
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#include <dev/usb/usbcdc.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/usb_quirks.h>
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#include <dev/usb/ucomvar.h>
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2002-07-31 14:34:36 +00:00
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#ifdef USB_DEBUG
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static int ucomdebug = 0;
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2002-08-08 12:05:51 +00:00
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SYSCTL_NODE(_hw_usb, OID_AUTO, ucom, CTLFLAG_RW, 0, "USB ucom");
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SYSCTL_INT(_hw_usb_ucom, OID_AUTO, debug, CTLFLAG_RW,
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2002-03-18 18:23:42 +00:00
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&ucomdebug, 0, "ucom debug level");
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#define DPRINTF(x) do { \
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if (ucomdebug) \
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logprintf x; \
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} while (0)
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#define DPRINTFN(n, x) do { \
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if (ucomdebug > (n)) \
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logprintf x; \
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} while (0)
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#else
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#define DPRINTF(x)
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#define DPRINTFN(n, x)
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#endif
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Static d_open_t ucomopen;
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Static d_close_t ucomclose;
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Static d_read_t ucomread;
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Static d_write_t ucomwrite;
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Static d_ioctl_t ucomioctl;
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static struct cdevsw ucom_cdevsw = {
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2004-02-21 21:10:55 +00:00
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.d_version = D_VERSION,
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2003-03-03 12:15:54 +00:00
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.d_open = ucomopen,
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.d_close = ucomclose,
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.d_read = ucomread,
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.d_write = ucomwrite,
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.d_ioctl = ucomioctl,
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.d_name = "ucom",
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2004-02-21 21:10:55 +00:00
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.d_flags = D_TTY | D_NEEDGIANT,
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2002-07-10 00:46:44 +00:00
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#if __FreeBSD_version < 500014
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2003-08-25 22:01:06 +00:00
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.d_bmaj = -1,
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2002-07-10 00:46:44 +00:00
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#endif
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2002-03-18 18:23:42 +00:00
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};
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Static void ucom_cleanup(struct ucom_softc *);
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Static int ucomctl(struct ucom_softc *, int, int);
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Static int ucomparam(struct tty *, struct termios *);
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Static void ucomstart(struct tty *);
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Static void ucomstop(struct tty *, int);
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Static void ucom_shutdown(struct ucom_softc *);
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Static void ucom_dtr(struct ucom_softc *, int);
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Static void ucom_rts(struct ucom_softc *, int);
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Static void ucom_break(struct ucom_softc *, int);
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Static usbd_status ucomstartread(struct ucom_softc *);
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Static void ucomreadcb(usbd_xfer_handle, usbd_private_handle, usbd_status);
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Static void ucomwritecb(usbd_xfer_handle, usbd_private_handle, usbd_status);
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Static void ucomstopread(struct ucom_softc *);
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static void disc_optim(struct tty *, struct termios *, struct ucom_softc *);
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devclass_t ucom_devclass;
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static moduledata_t ucom_mod = {
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"ucom",
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NULL,
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NULL
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};
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DECLARE_MODULE(ucom, ucom_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
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2002-07-15 11:22:37 +00:00
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MODULE_DEPEND(ucom, usb, 1, 1, 1);
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2002-03-18 18:23:42 +00:00
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MODULE_VERSION(ucom, UCOM_MODVER);
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int
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ucom_attach(struct ucom_softc *sc)
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{
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struct tty *tp;
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int unit;
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unit = device_get_unit(sc->sc_dev);
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sc->sc_tty = tp = ttymalloc(sc->sc_tty);
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tp->t_oproc = ucomstart;
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tp->t_param = ucomparam;
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tp->t_stop = ucomstop;
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DPRINTF(("ucom_attach: tty_attach tp = %p\n", tp));
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2002-07-10 01:42:25 +00:00
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DPRINTF(("ucom_attach: make_dev: ucom%d\n", unit));
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2002-03-18 18:23:42 +00:00
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sc->dev = make_dev(&ucom_cdevsw, unit | UCOM_CALLOUT_MASK,
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UID_UUCP, GID_DIALER, 0660,
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2002-07-10 01:42:25 +00:00
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"ucom%d", unit);
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2002-03-18 18:23:42 +00:00
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sc->dev->si_tty = tp;
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return (0);
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}
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int
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ucom_detach(struct ucom_softc *sc)
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{
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2002-07-10 00:52:16 +00:00
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struct tty *tp = sc->sc_tty;
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int s;
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2002-03-18 18:23:42 +00:00
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DPRINTF(("ucom_detach: sc = %p, tp = %p\n", sc, sc->sc_tty));
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sc->sc_dying = 1;
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if (sc->sc_bulkin_pipe != NULL)
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usbd_abort_pipe(sc->sc_bulkin_pipe);
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if (sc->sc_bulkout_pipe != NULL)
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usbd_abort_pipe(sc->sc_bulkout_pipe);
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2002-07-10 00:52:16 +00:00
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if (tp != NULL) {
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if (tp->t_state & TS_ISOPEN) {
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device_printf(sc->sc_dev,
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2002-11-17 13:33:55 +00:00
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"still open, forcing close\n");
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2004-06-04 16:02:56 +00:00
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ttyld_close(tp, 0);
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2002-07-10 00:52:16 +00:00
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ttyclose(tp);
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}
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} else {
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2002-03-18 18:23:42 +00:00
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DPRINTF(("ucom_detach: no tty\n"));
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return (0);
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}
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2002-07-10 00:52:16 +00:00
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s = splusb();
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if (--sc->sc_refcnt >= 0) {
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/* Wait for processes to go away. */
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usb_detach_wait(USBDEV(sc->sc_dev));
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}
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splx(s);
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2002-03-18 18:23:42 +00:00
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destroy_dev(sc->dev);
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return (0);
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}
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Static void
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ucom_shutdown(struct ucom_softc *sc)
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{
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struct tty *tp = sc->sc_tty;
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DPRINTF(("ucom_shutdown\n"));
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/*
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* Hang up if necessary. Wait a bit, so the other side has time to
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* notice even if we immediately open the port again.
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*/
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if (ISSET(tp->t_cflag, HUPCL)) {
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(void)ucomctl(sc, TIOCM_DTR, DMBIC);
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(void)tsleep(sc, TTIPRI, "ucomsd", hz);
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}
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}
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Static int
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ucomopen(dev_t dev, int flag, int mode, usb_proc_ptr p)
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{
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int unit = UCOMUNIT(dev);
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struct ucom_softc *sc;
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usbd_status err;
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struct tty *tp;
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int s;
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int error;
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USB_GET_SC_OPEN(ucom, unit, sc);
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if (sc->sc_dying)
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2002-07-10 00:52:16 +00:00
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return (ENXIO);
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2002-03-18 18:23:42 +00:00
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tp = sc->sc_tty;
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DPRINTF(("%s: ucomopen: tp = %p\n", USBDEVNAME(sc->sc_dev), tp));
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if (ISSET(tp->t_state, TS_ISOPEN) &&
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ISSET(tp->t_state, TS_XCLUDE) &&
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2002-04-01 21:31:13 +00:00
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suser(p))
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2002-03-18 18:23:42 +00:00
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return (EBUSY);
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/*
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* Do the following iff this is a first open.
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*/
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s = spltty();
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while (sc->sc_opening)
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tsleep(&sc->sc_opening, PRIBIO, "ucomop", 0);
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sc->sc_opening = 1;
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if (!ISSET(tp->t_state, TS_ISOPEN)) {
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struct termios t;
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sc->sc_poll = 0;
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sc->sc_lsr = sc->sc_msr = sc->sc_mcr = 0;
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tp->t_dev = dev;
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/*
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* Initialize the termios status to the defaults. Add in the
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* sticky bits from TIOCSFLAGS.
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*/
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t.c_ispeed = 0;
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t.c_ospeed = TTYDEF_SPEED;
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t.c_cflag = TTYDEF_CFLAG;
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/* Make sure ucomparam() will do something. */
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tp->t_ospeed = 0;
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(void)ucomparam(tp, &t);
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tp->t_iflag = TTYDEF_IFLAG;
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tp->t_oflag = TTYDEF_OFLAG;
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tp->t_lflag = TTYDEF_LFLAG;
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ttychars(tp);
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ttsetwater(tp);
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/*
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* Turn on DTR. We must always do this, even if carrier is not
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* present, because otherwise we'd have to use TIOCSDTR
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* immediately after setting CLOCAL, which applications do not
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* expect. We always assert DTR while the device is open
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* unless explicitly requested to deassert it.
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*/
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(void)ucomctl(sc, TIOCM_DTR | TIOCM_RTS, DMBIS);
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/* Device specific open */
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if (sc->sc_callback->ucom_open != NULL) {
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error = sc->sc_callback->ucom_open(sc->sc_parent,
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sc->sc_portno);
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if (error) {
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ucom_cleanup(sc);
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sc->sc_opening = 0;
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wakeup(&sc->sc_opening);
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splx(s);
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return (error);
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}
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}
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|
DPRINTF(("ucomopen: open pipes in = %d out = %d\n",
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sc->sc_bulkin_no, sc->sc_bulkout_no));
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/* Open the bulk pipes */
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|
/* Bulk-in pipe */
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|
|
err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkin_no, 0,
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|
|
|
&sc->sc_bulkin_pipe);
|
|
|
|
if (err) {
|
2003-03-02 02:35:00 +00:00
|
|
|
printf("%s: open bulk in error (addr %d): %s\n",
|
2003-07-04 01:50:39 +00:00
|
|
|
USBDEVNAME(sc->sc_dev), sc->sc_bulkin_no,
|
2002-03-18 18:23:42 +00:00
|
|
|
usbd_errstr(err));
|
|
|
|
error = EIO;
|
|
|
|
goto fail_0;
|
|
|
|
}
|
|
|
|
/* Bulk-out pipe */
|
|
|
|
err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkout_no,
|
|
|
|
USBD_EXCLUSIVE_USE, &sc->sc_bulkout_pipe);
|
|
|
|
if (err) {
|
2003-03-02 02:35:00 +00:00
|
|
|
printf("%s: open bulk out error (addr %d): %s\n",
|
2002-03-18 18:23:42 +00:00
|
|
|
USBDEVNAME(sc->sc_dev), sc->sc_bulkout_no,
|
|
|
|
usbd_errstr(err));
|
|
|
|
error = EIO;
|
|
|
|
goto fail_1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Allocate a request and an input buffer and start reading. */
|
|
|
|
sc->sc_ixfer = usbd_alloc_xfer(sc->sc_udev);
|
|
|
|
if (sc->sc_ixfer == NULL) {
|
|
|
|
error = ENOMEM;
|
|
|
|
goto fail_2;
|
|
|
|
}
|
|
|
|
|
|
|
|
sc->sc_ibuf = usbd_alloc_buffer(sc->sc_ixfer,
|
|
|
|
sc->sc_ibufsizepad);
|
|
|
|
if (sc->sc_ibuf == NULL) {
|
|
|
|
error = ENOMEM;
|
|
|
|
goto fail_3;
|
|
|
|
}
|
|
|
|
|
|
|
|
sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev);
|
|
|
|
if (sc->sc_oxfer == NULL) {
|
|
|
|
error = ENOMEM;
|
|
|
|
goto fail_3;
|
|
|
|
}
|
|
|
|
|
|
|
|
sc->sc_obuf = usbd_alloc_buffer(sc->sc_oxfer,
|
|
|
|
sc->sc_obufsize +
|
|
|
|
sc->sc_opkthdrlen);
|
|
|
|
if (sc->sc_obuf == NULL) {
|
|
|
|
error = ENOMEM;
|
|
|
|
goto fail_4;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Handle initial DCD.
|
|
|
|
*/
|
2002-07-10 00:52:16 +00:00
|
|
|
if (ISSET(sc->sc_msr, UMSR_DCD) ||
|
|
|
|
(minor(dev) & UCOM_CALLOUT_MASK))
|
2004-06-04 16:02:56 +00:00
|
|
|
ttyld_modem(tp, 1);
|
2002-03-18 18:23:42 +00:00
|
|
|
|
|
|
|
ucomstartread(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
sc->sc_opening = 0;
|
|
|
|
wakeup(&sc->sc_opening);
|
|
|
|
splx(s);
|
|
|
|
|
|
|
|
error = ttyopen(dev, tp);
|
|
|
|
if (error)
|
|
|
|
goto bad;
|
|
|
|
|
2004-06-04 16:02:56 +00:00
|
|
|
error = ttyld_open(tp, dev);
|
2002-03-18 18:23:42 +00:00
|
|
|
if (error)
|
|
|
|
goto bad;
|
|
|
|
|
|
|
|
disc_optim(tp, &tp->t_termios, sc);
|
|
|
|
|
|
|
|
DPRINTF(("%s: ucomopen: success\n", USBDEVNAME(sc->sc_dev)));
|
|
|
|
|
|
|
|
sc->sc_poll = 1;
|
2002-07-10 00:52:16 +00:00
|
|
|
sc->sc_refcnt++;
|
2002-03-18 18:23:42 +00:00
|
|
|
|
|
|
|
return (0);
|
|
|
|
|
|
|
|
fail_4:
|
|
|
|
usbd_free_xfer(sc->sc_oxfer);
|
|
|
|
sc->sc_oxfer = NULL;
|
|
|
|
fail_3:
|
|
|
|
usbd_free_xfer(sc->sc_ixfer);
|
|
|
|
sc->sc_ixfer = NULL;
|
|
|
|
fail_2:
|
|
|
|
usbd_close_pipe(sc->sc_bulkout_pipe);
|
|
|
|
sc->sc_bulkout_pipe = NULL;
|
|
|
|
fail_1:
|
|
|
|
usbd_close_pipe(sc->sc_bulkin_pipe);
|
|
|
|
sc->sc_bulkin_pipe = NULL;
|
|
|
|
fail_0:
|
|
|
|
sc->sc_opening = 0;
|
|
|
|
wakeup(&sc->sc_opening);
|
|
|
|
splx(s);
|
|
|
|
return (error);
|
|
|
|
|
|
|
|
bad:
|
|
|
|
if (!ISSET(tp->t_state, TS_ISOPEN)) {
|
|
|
|
/*
|
|
|
|
* We failed to open the device, and nobody else had it opened.
|
|
|
|
* Clean up the state as appropriate.
|
|
|
|
*/
|
|
|
|
ucom_cleanup(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
DPRINTF(("%s: ucomopen: failed\n", USBDEVNAME(sc->sc_dev)));
|
|
|
|
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ucomclose(dev_t dev, int flag, int mode, usb_proc_ptr p)
|
|
|
|
{
|
|
|
|
struct ucom_softc *sc;
|
|
|
|
struct tty *tp;
|
|
|
|
int s;
|
|
|
|
|
|
|
|
USB_GET_SC(ucom, UCOMUNIT(dev), sc);
|
|
|
|
|
|
|
|
tp = sc->sc_tty;
|
|
|
|
|
|
|
|
DPRINTF(("%s: ucomclose: unit = %d\n",
|
|
|
|
USBDEVNAME(sc->sc_dev), UCOMUNIT(dev)));
|
|
|
|
|
|
|
|
if (!ISSET(tp->t_state, TS_ISOPEN))
|
2002-07-10 00:52:16 +00:00
|
|
|
goto quit;
|
2002-03-18 18:23:42 +00:00
|
|
|
|
|
|
|
s = spltty();
|
2004-06-04 16:02:56 +00:00
|
|
|
ttyld_close(tp, flag);
|
2002-03-18 18:23:42 +00:00
|
|
|
disc_optim(tp, &tp->t_termios, sc);
|
|
|
|
ttyclose(tp);
|
|
|
|
splx(s);
|
|
|
|
|
|
|
|
if (sc->sc_dying)
|
2002-07-10 00:52:16 +00:00
|
|
|
goto quit;
|
2002-03-18 18:23:42 +00:00
|
|
|
|
|
|
|
if (!ISSET(tp->t_state, TS_ISOPEN)) {
|
|
|
|
/*
|
|
|
|
* Although we got a last close, the device may still be in
|
|
|
|
* use; e.g. if this was the dialout node, and there are still
|
|
|
|
* processes waiting for carrier on the non-dialout node.
|
|
|
|
*/
|
|
|
|
ucom_cleanup(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (sc->sc_callback->ucom_close != NULL)
|
|
|
|
sc->sc_callback->ucom_close(sc->sc_parent, sc->sc_portno);
|
|
|
|
|
2002-07-10 00:52:16 +00:00
|
|
|
quit:
|
|
|
|
if (--sc->sc_refcnt < 0)
|
|
|
|
usb_detach_wakeup(USBDEV(sc->sc_dev));
|
|
|
|
|
2002-03-18 18:23:42 +00:00
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ucomread(dev_t dev, struct uio *uio, int flag)
|
|
|
|
{
|
|
|
|
struct ucom_softc *sc;
|
|
|
|
struct tty *tp;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
USB_GET_SC(ucom, UCOMUNIT(dev), sc);
|
|
|
|
tp = sc->sc_tty;
|
|
|
|
|
|
|
|
DPRINTF(("ucomread: tp = %p, flag = 0x%x\n", tp, flag));
|
|
|
|
|
|
|
|
if (sc->sc_dying)
|
|
|
|
return (EIO);
|
|
|
|
|
2004-06-04 16:02:56 +00:00
|
|
|
error = ttyld_read(tp, uio, flag);
|
2002-03-18 18:23:42 +00:00
|
|
|
|
|
|
|
DPRINTF(("ucomread: error = %d\n", error));
|
|
|
|
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ucomwrite(dev_t dev, struct uio *uio, int flag)
|
|
|
|
{
|
|
|
|
struct ucom_softc *sc;
|
|
|
|
struct tty *tp;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
USB_GET_SC(ucom, UCOMUNIT(dev), sc);
|
|
|
|
tp = sc->sc_tty;
|
|
|
|
|
|
|
|
DPRINTF(("ucomwrite: tp = %p, flag = 0x%x\n", tp, flag));
|
|
|
|
|
|
|
|
if (sc->sc_dying)
|
|
|
|
return (EIO);
|
|
|
|
|
2004-06-04 16:02:56 +00:00
|
|
|
error = ttyld_write(tp, uio, flag);
|
2002-03-18 18:23:42 +00:00
|
|
|
|
|
|
|
DPRINTF(("ucomwrite: error = %d\n", error));
|
|
|
|
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
ucomioctl(dev_t dev, u_long cmd, caddr_t data, int flag, usb_proc_ptr p)
|
|
|
|
{
|
|
|
|
struct ucom_softc *sc;
|
|
|
|
struct tty *tp;
|
|
|
|
int error;
|
|
|
|
int s;
|
|
|
|
int d;
|
2003-11-16 11:58:21 +00:00
|
|
|
#if defined(COMPAT_43) || defined(COMPAT_SUNOS)
|
|
|
|
u_long oldcmd;
|
|
|
|
struct termios term;
|
|
|
|
#endif
|
2002-03-18 18:23:42 +00:00
|
|
|
|
|
|
|
USB_GET_SC(ucom, UCOMUNIT(dev), sc);
|
|
|
|
tp = sc->sc_tty;
|
|
|
|
|
|
|
|
if (sc->sc_dying)
|
|
|
|
return (EIO);
|
|
|
|
|
|
|
|
DPRINTF(("ucomioctl: cmd = 0x%08lx\n", cmd));
|
|
|
|
|
2003-11-16 11:58:21 +00:00
|
|
|
#if defined(COMPAT_43) || defined(COMPAT_SUNOS)
|
|
|
|
term = tp->t_termios;
|
|
|
|
oldcmd = cmd;
|
|
|
|
error = ttsetcompat(tp, &cmd, data, &term);
|
|
|
|
if (error != 0)
|
|
|
|
return (error);
|
|
|
|
if (cmd != oldcmd)
|
|
|
|
data = (caddr_t)&term;
|
|
|
|
#endif
|
|
|
|
|
2004-06-04 08:02:37 +00:00
|
|
|
error = ttyioctl(dev, cmd, data, flag, p);
|
|
|
|
disc_optim(tp, &tp->t_termios, sc);
|
|
|
|
if (error != ENOTTY) {
|
2002-03-18 18:23:42 +00:00
|
|
|
DPRINTF(("ucomioctl: l_ioctl: error = %d\n", error));
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
2003-11-16 11:58:21 +00:00
|
|
|
s = spltty();
|
|
|
|
|
2002-03-18 18:23:42 +00:00
|
|
|
if (sc->sc_callback->ucom_ioctl != NULL) {
|
|
|
|
error = sc->sc_callback->ucom_ioctl(sc->sc_parent,
|
|
|
|
sc->sc_portno,
|
|
|
|
cmd, data, flag, p);
|
|
|
|
if (error >= 0)
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
error = 0;
|
|
|
|
|
|
|
|
DPRINTF(("ucomioctl: our cmd = 0x%08lx\n", cmd));
|
|
|
|
|
|
|
|
switch (cmd) {
|
|
|
|
case TIOCSBRK:
|
|
|
|
DPRINTF(("ucomioctl: TIOCSBRK\n"));
|
|
|
|
ucom_break(sc, 1);
|
|
|
|
break;
|
|
|
|
case TIOCCBRK:
|
|
|
|
DPRINTF(("ucomioctl: TIOCCBRK\n"));
|
|
|
|
ucom_break(sc, 0);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case TIOCSDTR:
|
|
|
|
DPRINTF(("ucomioctl: TIOCSDTR\n"));
|
|
|
|
(void)ucomctl(sc, TIOCM_DTR, DMBIS);
|
|
|
|
break;
|
|
|
|
case TIOCCDTR:
|
|
|
|
DPRINTF(("ucomioctl: TIOCCDTR\n"));
|
|
|
|
(void)ucomctl(sc, TIOCM_DTR, DMBIC);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case TIOCMSET:
|
|
|
|
d = *(int *)data;
|
|
|
|
DPRINTF(("ucomioctl: TIOCMSET, 0x%x\n", d));
|
|
|
|
(void)ucomctl(sc, d, DMSET);
|
|
|
|
break;
|
|
|
|
case TIOCMBIS:
|
|
|
|
d = *(int *)data;
|
|
|
|
DPRINTF(("ucomioctl: TIOCMBIS, 0x%x\n", d));
|
|
|
|
(void)ucomctl(sc, d, DMBIS);
|
|
|
|
break;
|
|
|
|
case TIOCMBIC:
|
|
|
|
d = *(int *)data;
|
|
|
|
DPRINTF(("ucomioctl: TIOCMBIC, 0x%x\n", d));
|
|
|
|
(void)ucomctl(sc, d, DMBIC);
|
|
|
|
break;
|
|
|
|
case TIOCMGET:
|
|
|
|
d = ucomctl(sc, 0, DMGET);
|
|
|
|
DPRINTF(("ucomioctl: TIOCMGET, 0x%x\n", d));
|
|
|
|
*(int *)data = d;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
DPRINTF(("ucomioctl: error: our cmd = 0x%08lx\n", cmd));
|
|
|
|
error = ENOTTY;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
splx(s);
|
|
|
|
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
Static int
|
|
|
|
ucomctl(struct ucom_softc *sc, int bits, int how)
|
|
|
|
{
|
|
|
|
int mcr;
|
|
|
|
int msr;
|
|
|
|
int onoff;
|
|
|
|
|
|
|
|
DPRINTF(("ucomctl: bits = 0x%x, how = %d\n", bits, how));
|
|
|
|
|
|
|
|
if (how == DMGET) {
|
|
|
|
SET(bits, TIOCM_LE); /* always set TIOCM_LE bit */
|
|
|
|
DPRINTF(("ucomctl: DMGET: LE"));
|
|
|
|
|
|
|
|
mcr = sc->sc_mcr;
|
|
|
|
if (ISSET(mcr, UMCR_DTR)) {
|
|
|
|
SET(bits, TIOCM_DTR);
|
|
|
|
DPRINTF((" DTR"));
|
|
|
|
}
|
|
|
|
if (ISSET(mcr, UMCR_RTS)) {
|
|
|
|
SET(bits, TIOCM_RTS);
|
|
|
|
DPRINTF((" RTS"));
|
|
|
|
}
|
|
|
|
|
|
|
|
msr = sc->sc_msr;
|
|
|
|
if (ISSET(msr, UMSR_CTS)) {
|
|
|
|
SET(bits, TIOCM_CTS);
|
|
|
|
DPRINTF((" CTS"));
|
|
|
|
}
|
|
|
|
if (ISSET(msr, UMSR_DCD)) {
|
|
|
|
SET(bits, TIOCM_CD);
|
|
|
|
DPRINTF((" CD"));
|
|
|
|
}
|
|
|
|
if (ISSET(msr, UMSR_DSR)) {
|
|
|
|
SET(bits, TIOCM_DSR);
|
|
|
|
DPRINTF((" DSR"));
|
|
|
|
}
|
|
|
|
if (ISSET(msr, UMSR_RI)) {
|
|
|
|
SET(bits, TIOCM_RI);
|
|
|
|
DPRINTF((" RI"));
|
|
|
|
}
|
|
|
|
|
|
|
|
DPRINTF(("\n"));
|
|
|
|
|
|
|
|
return (bits);
|
|
|
|
}
|
|
|
|
|
|
|
|
mcr = 0;
|
|
|
|
if (ISSET(bits, TIOCM_DTR))
|
|
|
|
SET(mcr, UMCR_DTR);
|
|
|
|
if (ISSET(bits, TIOCM_RTS))
|
|
|
|
SET(mcr, UMCR_RTS);
|
|
|
|
|
|
|
|
switch (how) {
|
|
|
|
case DMSET:
|
|
|
|
sc->sc_mcr = mcr;
|
|
|
|
break;
|
|
|
|
case DMBIS:
|
|
|
|
sc->sc_mcr |= mcr;
|
|
|
|
break;
|
|
|
|
case DMBIC:
|
|
|
|
sc->sc_mcr &= ~mcr;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
onoff = ISSET(sc->sc_mcr, UMCR_DTR) ? 1 : 0;
|
|
|
|
ucom_dtr(sc, onoff);
|
|
|
|
|
|
|
|
onoff = ISSET(sc->sc_mcr, UMCR_RTS) ? 1 : 0;
|
|
|
|
ucom_rts(sc, onoff);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
Static void
|
|
|
|
ucom_break(struct ucom_softc *sc, int onoff)
|
|
|
|
{
|
|
|
|
DPRINTF(("ucom_break: onoff = %d\n", onoff));
|
|
|
|
|
|
|
|
if (sc->sc_callback->ucom_set == NULL)
|
|
|
|
return;
|
|
|
|
sc->sc_callback->ucom_set(sc->sc_parent, sc->sc_portno,
|
|
|
|
UCOM_SET_BREAK, onoff);
|
|
|
|
}
|
|
|
|
|
|
|
|
Static void
|
|
|
|
ucom_dtr(struct ucom_softc *sc, int onoff)
|
|
|
|
{
|
|
|
|
DPRINTF(("ucom_dtr: onoff = %d\n", onoff));
|
|
|
|
|
|
|
|
if (sc->sc_callback->ucom_set == NULL)
|
|
|
|
return;
|
2003-07-04 01:50:39 +00:00
|
|
|
sc->sc_callback->ucom_set(sc->sc_parent, sc->sc_portno,
|
2002-03-18 18:23:42 +00:00
|
|
|
UCOM_SET_DTR, onoff);
|
|
|
|
}
|
|
|
|
|
|
|
|
Static void
|
|
|
|
ucom_rts(struct ucom_softc *sc, int onoff)
|
|
|
|
{
|
|
|
|
DPRINTF(("ucom_rts: onoff = %d\n", onoff));
|
|
|
|
|
|
|
|
if (sc->sc_callback->ucom_set == NULL)
|
|
|
|
return;
|
2003-07-04 01:50:39 +00:00
|
|
|
sc->sc_callback->ucom_set(sc->sc_parent, sc->sc_portno,
|
2002-03-18 18:23:42 +00:00
|
|
|
UCOM_SET_RTS, onoff);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
ucom_status_change(struct ucom_softc *sc)
|
|
|
|
{
|
|
|
|
struct tty *tp = sc->sc_tty;
|
|
|
|
u_char old_msr;
|
|
|
|
int onoff;
|
|
|
|
|
|
|
|
if (sc->sc_callback->ucom_get_status == NULL) {
|
|
|
|
sc->sc_lsr = 0;
|
|
|
|
sc->sc_msr = 0;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
old_msr = sc->sc_msr;
|
|
|
|
sc->sc_callback->ucom_get_status(sc->sc_parent, sc->sc_portno,
|
|
|
|
&sc->sc_lsr, &sc->sc_msr);
|
|
|
|
if (ISSET((sc->sc_msr ^ old_msr), UMSR_DCD)) {
|
|
|
|
if (sc->sc_poll == 0)
|
|
|
|
return;
|
|
|
|
onoff = ISSET(sc->sc_msr, UMSR_DCD) ? 1 : 0;
|
|
|
|
DPRINTF(("ucom_status_change: DCD changed to %d\n", onoff));
|
2004-06-04 16:02:56 +00:00
|
|
|
ttyld_modem(tp, onoff);
|
2002-03-18 18:23:42 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
Static int
|
|
|
|
ucomparam(struct tty *tp, struct termios *t)
|
|
|
|
{
|
|
|
|
struct ucom_softc *sc;
|
|
|
|
int error;
|
|
|
|
usbd_status uerr;
|
|
|
|
|
|
|
|
USB_GET_SC(ucom, UCOMUNIT(tp->t_dev), sc);
|
|
|
|
|
|
|
|
if (sc->sc_dying)
|
|
|
|
return (EIO);
|
|
|
|
|
|
|
|
DPRINTF(("ucomparam: sc = %p\n", sc));
|
|
|
|
|
|
|
|
/* Check requested parameters. */
|
|
|
|
if (t->c_ospeed < 0) {
|
|
|
|
DPRINTF(("ucomparam: negative ospeed\n"));
|
|
|
|
return (EINVAL);
|
|
|
|
}
|
|
|
|
if (t->c_ispeed && t->c_ispeed != t->c_ospeed) {
|
|
|
|
DPRINTF(("ucomparam: mismatch ispeed and ospeed\n"));
|
|
|
|
return (EINVAL);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If there were no changes, don't do anything. This avoids dropping
|
|
|
|
* input and improves performance when all we did was frob things like
|
|
|
|
* VMIN and VTIME.
|
|
|
|
*/
|
|
|
|
if (tp->t_ospeed == t->c_ospeed &&
|
|
|
|
tp->t_cflag == t->c_cflag)
|
|
|
|
return (0);
|
|
|
|
|
|
|
|
/* And copy to tty. */
|
|
|
|
tp->t_ispeed = 0;
|
|
|
|
tp->t_ospeed = t->c_ospeed;
|
|
|
|
tp->t_cflag = t->c_cflag;
|
|
|
|
|
|
|
|
if (sc->sc_callback->ucom_param == NULL)
|
|
|
|
return (0);
|
|
|
|
|
|
|
|
ucomstopread(sc);
|
|
|
|
|
|
|
|
error = sc->sc_callback->ucom_param(sc->sc_parent, sc->sc_portno, t);
|
|
|
|
if (error) {
|
|
|
|
DPRINTF(("ucomparam: callback: error = %d\n", error));
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
ttsetwater(tp);
|
|
|
|
|
|
|
|
if (t->c_cflag & CRTS_IFLOW) {
|
|
|
|
sc->sc_state |= UCS_RTS_IFLOW;
|
|
|
|
} else if (sc->sc_state & UCS_RTS_IFLOW) {
|
|
|
|
sc->sc_state &= ~UCS_RTS_IFLOW;
|
|
|
|
(void)ucomctl(sc, UMCR_RTS, DMBIS);
|
|
|
|
}
|
|
|
|
|
|
|
|
disc_optim(tp, t, sc);
|
|
|
|
|
|
|
|
uerr = ucomstartread(sc);
|
|
|
|
if (uerr != USBD_NORMAL_COMPLETION)
|
|
|
|
return (EIO);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
Static void
|
|
|
|
ucomstart(struct tty *tp)
|
|
|
|
{
|
|
|
|
struct ucom_softc *sc;
|
|
|
|
struct cblock *cbp;
|
|
|
|
usbd_status err;
|
|
|
|
int s;
|
|
|
|
u_char *data;
|
|
|
|
int cnt;
|
|
|
|
|
|
|
|
USB_GET_SC(ucom, UCOMUNIT(tp->t_dev), sc);
|
|
|
|
DPRINTF(("ucomstart: sc = %p\n", sc));
|
|
|
|
|
|
|
|
if (sc->sc_dying)
|
|
|
|
return;
|
|
|
|
|
|
|
|
s = spltty();
|
|
|
|
|
|
|
|
if (tp->t_state & TS_TBLOCK) {
|
|
|
|
if (ISSET(sc->sc_mcr, UMCR_RTS) &&
|
|
|
|
ISSET(sc->sc_state, UCS_RTS_IFLOW)) {
|
|
|
|
DPRINTF(("ucomstart: clear RTS\n"));
|
|
|
|
(void)ucomctl(sc, UMCR_RTS, DMBIC);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (!ISSET(sc->sc_mcr, UMCR_RTS) &&
|
|
|
|
tp->t_rawq.c_cc <= tp->t_ilowat &&
|
|
|
|
ISSET(sc->sc_state, UCS_RTS_IFLOW)) {
|
|
|
|
DPRINTF(("ucomstart: set RTS\n"));
|
|
|
|
(void)ucomctl(sc, UMCR_RTS, DMBIS);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ISSET(tp->t_state, TS_BUSY | TS_TIMEOUT | TS_TTSTOP)) {
|
|
|
|
ttwwakeup(tp);
|
|
|
|
DPRINTF(("ucomstart: stopped\n"));
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (tp->t_outq.c_cc <= tp->t_olowat) {
|
|
|
|
if (ISSET(tp->t_state, TS_SO_OLOWAT)) {
|
|
|
|
CLR(tp->t_state, TS_SO_OLOWAT);
|
|
|
|
wakeup(TSA_OLOWAT(tp));
|
|
|
|
}
|
2003-11-09 09:17:26 +00:00
|
|
|
selwakeuppri(&tp->t_wsel, TTIPRI);
|
2002-03-18 18:23:42 +00:00
|
|
|
if (tp->t_outq.c_cc == 0) {
|
|
|
|
if (ISSET(tp->t_state, TS_BUSY | TS_SO_OCOMPLETE) ==
|
|
|
|
TS_SO_OCOMPLETE && tp->t_outq.c_cc == 0) {
|
|
|
|
CLR(tp->t_state, TS_SO_OCOMPLETE);
|
|
|
|
wakeup(TSA_OCOMPLETE(tp));
|
|
|
|
}
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Grab the first contiguous region of buffer space. */
|
|
|
|
data = tp->t_outq.c_cf;
|
|
|
|
cbp = (struct cblock *) ((intptr_t) tp->t_outq.c_cf & ~CROUND);
|
|
|
|
cnt = min((char *) (cbp+1) - tp->t_outq.c_cf, tp->t_outq.c_cc);
|
|
|
|
|
|
|
|
if (cnt == 0) {
|
|
|
|
DPRINTF(("ucomstart: cnt == 0\n"));
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
SET(tp->t_state, TS_BUSY);
|
|
|
|
|
|
|
|
if (cnt > sc->sc_obufsize) {
|
|
|
|
DPRINTF(("ucomstart: big buffer %d chars\n", cnt));
|
|
|
|
cnt = sc->sc_obufsize;
|
|
|
|
}
|
|
|
|
if (sc->sc_callback->ucom_write != NULL)
|
|
|
|
sc->sc_callback->ucom_write(sc->sc_parent, sc->sc_portno,
|
|
|
|
sc->sc_obuf, data, &cnt);
|
|
|
|
else
|
|
|
|
memcpy(sc->sc_obuf, data, cnt);
|
|
|
|
|
|
|
|
DPRINTF(("ucomstart: %d chars\n", cnt));
|
2003-07-04 01:50:39 +00:00
|
|
|
usbd_setup_xfer(sc->sc_oxfer, sc->sc_bulkout_pipe,
|
2002-03-18 18:23:42 +00:00
|
|
|
(usbd_private_handle)sc, sc->sc_obuf, cnt,
|
|
|
|
USBD_NO_COPY, USBD_NO_TIMEOUT, ucomwritecb);
|
|
|
|
/* What can we do on error? */
|
|
|
|
err = usbd_transfer(sc->sc_oxfer);
|
|
|
|
if (err != USBD_IN_PROGRESS)
|
|
|
|
printf("ucomstart: err=%s\n", usbd_errstr(err));
|
|
|
|
|
|
|
|
ttwwakeup(tp);
|
|
|
|
|
|
|
|
out:
|
|
|
|
splx(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
Static void
|
|
|
|
ucomstop(struct tty *tp, int flag)
|
|
|
|
{
|
|
|
|
struct ucom_softc *sc;
|
|
|
|
int s;
|
|
|
|
|
|
|
|
USB_GET_SC(ucom, UCOMUNIT(tp->t_dev), sc);
|
|
|
|
|
|
|
|
DPRINTF(("ucomstop: %d\n", flag));
|
|
|
|
|
|
|
|
if (flag & FREAD) {
|
|
|
|
DPRINTF(("ucomstop: read\n"));
|
|
|
|
ucomstopread(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (flag & FWRITE) {
|
|
|
|
DPRINTF(("ucomstop: write\n"));
|
|
|
|
s = spltty();
|
|
|
|
if (ISSET(tp->t_state, TS_BUSY)) {
|
|
|
|
/* XXX do what? */
|
|
|
|
if (!ISSET(tp->t_state, TS_TTSTOP))
|
|
|
|
SET(tp->t_state, TS_FLUSH);
|
|
|
|
}
|
|
|
|
splx(s);
|
|
|
|
}
|
2002-07-10 00:52:16 +00:00
|
|
|
|
|
|
|
DPRINTF(("ucomstop: done\n"));
|
2002-03-18 18:23:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
Static void
|
|
|
|
ucomwritecb(usbd_xfer_handle xfer, usbd_private_handle p, usbd_status status)
|
|
|
|
{
|
|
|
|
struct ucom_softc *sc = (struct ucom_softc *)p;
|
|
|
|
struct tty *tp = sc->sc_tty;
|
|
|
|
u_int32_t cc;
|
|
|
|
int s;
|
|
|
|
|
|
|
|
DPRINTF(("ucomwritecb: status = %d\n", status));
|
|
|
|
|
|
|
|
if (status == USBD_CANCELLED || sc->sc_dying)
|
|
|
|
goto error;
|
|
|
|
|
|
|
|
if (status != USBD_NORMAL_COMPLETION) {
|
|
|
|
printf("%s: ucomwritecb: %s\n",
|
|
|
|
USBDEVNAME(sc->sc_dev), usbd_errstr(status));
|
|
|
|
if (status == USBD_STALLED)
|
|
|
|
usbd_clear_endpoint_stall_async(sc->sc_bulkin_pipe);
|
|
|
|
/* XXX we should restart after some delay. */
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL);
|
|
|
|
DPRINTF(("ucomwritecb: cc = %d\n", cc));
|
2003-03-09 11:33:26 +00:00
|
|
|
if (cc <= sc->sc_opkthdrlen) {
|
|
|
|
printf("%s: sent size too small, cc = %d\n",
|
|
|
|
USBDEVNAME(sc->sc_dev), cc);
|
|
|
|
goto error;
|
|
|
|
}
|
2002-03-18 18:23:42 +00:00
|
|
|
|
|
|
|
/* convert from USB bytes to tty bytes */
|
|
|
|
cc -= sc->sc_opkthdrlen;
|
|
|
|
|
|
|
|
s = spltty();
|
|
|
|
CLR(tp->t_state, TS_BUSY);
|
|
|
|
if (ISSET(tp->t_state, TS_FLUSH))
|
|
|
|
CLR(tp->t_state, TS_FLUSH);
|
|
|
|
else
|
|
|
|
ndflush(&tp->t_outq, cc);
|
2004-06-04 16:02:56 +00:00
|
|
|
ttyld_start(tp);
|
2002-03-18 18:23:42 +00:00
|
|
|
splx(s);
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
error:
|
|
|
|
s = spltty();
|
|
|
|
CLR(tp->t_state, TS_BUSY);
|
|
|
|
splx(s);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
Static usbd_status
|
|
|
|
ucomstartread(struct ucom_softc *sc)
|
|
|
|
{
|
|
|
|
usbd_status err;
|
|
|
|
|
|
|
|
DPRINTF(("ucomstartread: start\n"));
|
|
|
|
|
|
|
|
sc->sc_state &= ~UCS_RXSTOP;
|
|
|
|
|
|
|
|
if (sc->sc_bulkin_pipe == NULL)
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
|
|
|
2003-07-04 01:50:39 +00:00
|
|
|
usbd_setup_xfer(sc->sc_ixfer, sc->sc_bulkin_pipe,
|
|
|
|
(usbd_private_handle)sc,
|
2002-03-18 18:23:42 +00:00
|
|
|
sc->sc_ibuf, sc->sc_ibufsize,
|
|
|
|
USBD_SHORT_XFER_OK | USBD_NO_COPY,
|
|
|
|
USBD_NO_TIMEOUT, ucomreadcb);
|
|
|
|
|
|
|
|
err = usbd_transfer(sc->sc_ixfer);
|
|
|
|
if (err != USBD_IN_PROGRESS) {
|
|
|
|
DPRINTF(("ucomstartread: err = %s\n", usbd_errstr(err)));
|
|
|
|
return (err);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (USBD_NORMAL_COMPLETION);
|
|
|
|
}
|
|
|
|
|
|
|
|
Static void
|
|
|
|
ucomreadcb(usbd_xfer_handle xfer, usbd_private_handle p, usbd_status status)
|
|
|
|
{
|
|
|
|
struct ucom_softc *sc = (struct ucom_softc *)p;
|
|
|
|
struct tty *tp = sc->sc_tty;
|
|
|
|
usbd_status err;
|
|
|
|
u_int32_t cc;
|
|
|
|
u_char *cp;
|
|
|
|
int lostcc;
|
|
|
|
int s;
|
|
|
|
|
|
|
|
DPRINTF(("ucomreadcb: status = %d\n", status));
|
|
|
|
|
|
|
|
if (status != USBD_NORMAL_COMPLETION) {
|
|
|
|
if (!(sc->sc_state & UCS_RXSTOP))
|
|
|
|
printf("%s: ucomreadcb: %s\n",
|
|
|
|
USBDEVNAME(sc->sc_dev), usbd_errstr(status));
|
|
|
|
if (status == USBD_STALLED)
|
|
|
|
usbd_clear_endpoint_stall_async(sc->sc_bulkin_pipe);
|
|
|
|
/* XXX we should restart after some delay. */
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
usbd_get_xfer_status(xfer, NULL, (void **)&cp, &cc, NULL);
|
|
|
|
DPRINTF(("ucomreadcb: got %d chars, tp = %p\n", cc, tp));
|
2003-03-09 11:33:26 +00:00
|
|
|
if (cc == 0)
|
|
|
|
goto resubmit;
|
|
|
|
|
2002-03-18 18:23:42 +00:00
|
|
|
if (sc->sc_callback->ucom_read != NULL)
|
|
|
|
sc->sc_callback->ucom_read(sc->sc_parent, sc->sc_portno,
|
|
|
|
&cp, &cc);
|
|
|
|
|
2003-03-09 11:33:26 +00:00
|
|
|
if (cc > sc->sc_ibufsize) {
|
|
|
|
printf("%s: invalid receive data size, %d chars\n",
|
|
|
|
USBDEVNAME(sc->sc_dev), cc);
|
|
|
|
goto resubmit;
|
|
|
|
}
|
|
|
|
if (cc < 1)
|
|
|
|
goto resubmit;
|
|
|
|
|
2002-03-18 18:23:42 +00:00
|
|
|
s = spltty();
|
|
|
|
if (tp->t_state & TS_CAN_BYPASS_L_RINT) {
|
|
|
|
if (tp->t_rawq.c_cc + cc > tp->t_ihiwat
|
|
|
|
&& (sc->sc_state & UCS_RTS_IFLOW
|
|
|
|
|| tp->t_iflag & IXOFF)
|
|
|
|
&& !(tp->t_state & TS_TBLOCK))
|
|
|
|
ttyblock(tp);
|
|
|
|
lostcc = b_to_q((char *)cp, cc, &tp->t_rawq);
|
|
|
|
tp->t_rawcc += cc;
|
|
|
|
ttwakeup(tp);
|
|
|
|
if (tp->t_state & TS_TTSTOP
|
|
|
|
&& (tp->t_iflag & IXANY
|
|
|
|
|| tp->t_cc[VSTART] == tp->t_cc[VSTOP])) {
|
|
|
|
tp->t_state &= ~TS_TTSTOP;
|
|
|
|
tp->t_lflag &= ~FLUSHO;
|
|
|
|
ucomstart(tp);
|
|
|
|
}
|
|
|
|
if (lostcc > 0)
|
|
|
|
printf("%s: lost %d chars\n", USBDEVNAME(sc->sc_dev),
|
|
|
|
lostcc);
|
|
|
|
} else {
|
|
|
|
/* Give characters to tty layer. */
|
2003-03-09 11:33:26 +00:00
|
|
|
while (cc > 0) {
|
|
|
|
DPRINTFN(7, ("ucomreadcb: char = 0x%02x\n", *cp));
|
2004-06-04 20:04:52 +00:00
|
|
|
if (ttyld_rint(tp, *cp) == -1) {
|
2002-03-18 18:23:42 +00:00
|
|
|
/* XXX what should we do? */
|
|
|
|
printf("%s: lost %d chars\n",
|
|
|
|
USBDEVNAME(sc->sc_dev), cc);
|
|
|
|
break;
|
|
|
|
}
|
2003-03-09 11:33:26 +00:00
|
|
|
cc--;
|
|
|
|
cp++;
|
2002-03-18 18:23:42 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
splx(s);
|
|
|
|
|
2003-03-09 11:33:26 +00:00
|
|
|
resubmit:
|
2002-03-18 18:23:42 +00:00
|
|
|
err = ucomstartread(sc);
|
|
|
|
if (err) {
|
|
|
|
printf("%s: read start failed\n", USBDEVNAME(sc->sc_dev));
|
|
|
|
/* XXX what should we dow now? */
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((sc->sc_state & UCS_RTS_IFLOW) && !ISSET(sc->sc_mcr, UMCR_RTS)
|
|
|
|
&& !(tp->t_state & TS_TBLOCK))
|
|
|
|
ucomctl(sc, UMCR_RTS, DMBIS);
|
|
|
|
}
|
|
|
|
|
|
|
|
Static void
|
|
|
|
ucom_cleanup(struct ucom_softc *sc)
|
|
|
|
{
|
|
|
|
DPRINTF(("ucom_cleanup: closing pipes\n"));
|
|
|
|
|
|
|
|
ucom_shutdown(sc);
|
|
|
|
if (sc->sc_bulkin_pipe != NULL) {
|
|
|
|
usbd_abort_pipe(sc->sc_bulkin_pipe);
|
|
|
|
usbd_close_pipe(sc->sc_bulkin_pipe);
|
|
|
|
sc->sc_bulkin_pipe = NULL;
|
|
|
|
}
|
|
|
|
if (sc->sc_bulkout_pipe != NULL) {
|
|
|
|
usbd_abort_pipe(sc->sc_bulkout_pipe);
|
|
|
|
usbd_close_pipe(sc->sc_bulkout_pipe);
|
|
|
|
sc->sc_bulkout_pipe = NULL;
|
|
|
|
}
|
|
|
|
if (sc->sc_ixfer != NULL) {
|
|
|
|
usbd_free_xfer(sc->sc_ixfer);
|
|
|
|
sc->sc_ixfer = NULL;
|
|
|
|
}
|
|
|
|
if (sc->sc_oxfer != NULL) {
|
|
|
|
usbd_free_xfer(sc->sc_oxfer);
|
|
|
|
sc->sc_oxfer = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
Static void
|
|
|
|
ucomstopread(struct ucom_softc *sc)
|
|
|
|
{
|
2002-07-10 00:52:16 +00:00
|
|
|
usbd_status err;
|
|
|
|
|
|
|
|
DPRINTF(("ucomstopread: enter\n"));
|
|
|
|
|
2002-03-18 18:23:42 +00:00
|
|
|
if (!(sc->sc_state & UCS_RXSTOP)) {
|
2003-03-09 11:33:26 +00:00
|
|
|
sc->sc_state |= UCS_RXSTOP;
|
2002-07-10 00:52:16 +00:00
|
|
|
if (sc->sc_bulkin_pipe == NULL) {
|
|
|
|
DPRINTF(("ucomstopread: bulkin pipe NULL\n"));
|
2002-03-18 18:23:42 +00:00
|
|
|
return;
|
2002-07-10 00:52:16 +00:00
|
|
|
}
|
|
|
|
err = usbd_abort_pipe(sc->sc_bulkin_pipe);
|
|
|
|
if (err) {
|
|
|
|
DPRINTF(("ucomstopread: err = %s\n",
|
|
|
|
usbd_errstr(err)));
|
|
|
|
}
|
2002-03-18 18:23:42 +00:00
|
|
|
}
|
2002-07-10 00:52:16 +00:00
|
|
|
|
|
|
|
DPRINTF(("ucomstopread: leave\n"));
|
2002-03-18 18:23:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
disc_optim(struct tty *tp, struct termios *t, struct ucom_softc *sc)
|
|
|
|
{
|
|
|
|
if (!(t->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR | ISTRIP | IXON))
|
|
|
|
&& (!(t->c_iflag & BRKINT) || (t->c_iflag & IGNBRK))
|
|
|
|
&& (!(t->c_iflag & PARMRK)
|
|
|
|
|| (t->c_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK))
|
|
|
|
&& !(t->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN))
|
|
|
|
&& linesw[tp->t_line].l_rint == ttyinput) {
|
|
|
|
DPRINTF(("disc_optim: bypass l_rint\n"));
|
|
|
|
tp->t_state |= TS_CAN_BYPASS_L_RINT;
|
|
|
|
} else {
|
|
|
|
DPRINTF(("disc_optim: can't bypass l_rint\n"));
|
|
|
|
tp->t_state &= ~TS_CAN_BYPASS_L_RINT;
|
|
|
|
}
|
|
|
|
sc->hotchar = linesw[tp->t_line].l_hotchar;
|
|
|
|
}
|