147 lines
4.2 KiB
C
147 lines
4.2 KiB
C
/* $NetBSD: umodem.c,v 1.60 2010/11/03 22:34:24 dyoung Exp $ */
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/*
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* Copyright (c) 1998 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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*
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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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* Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf
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* http://www.usb.org/developers/devclass_docs/usbcdc11.pdf
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*/
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/*
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* TODO:
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* - Add error recovery in various places; the big problem is what
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* to do in a callback if there is an error.
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* - Implement a Call Device for modems without multiplexed commands.
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: umodem.c,v 1.60 2010/11/03 22:34:24 dyoung Exp $");
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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/ioctl.h>
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#include <sys/conf.h>
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#include <sys/tty.h>
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#include <sys/file.h>
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#include <sys/select.h>
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#include <sys/proc.h>
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#include <sys/vnode.h>
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#include <sys/device.h>
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#include <sys/poll.h>
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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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#include <dev/usb/umodemvar.h>
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Static struct ucom_methods umodem_methods = {
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umodem_get_status,
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umodem_set,
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umodem_param,
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umodem_ioctl,
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umodem_open,
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umodem_close,
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NULL,
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NULL,
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};
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int umodem_match(device_t, cfdata_t, void *);
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void umodem_attach(device_t, device_t, void *);
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int umodem_detach(device_t, int);
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int umodem_activate(device_t, enum devact);
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extern struct cfdriver umodem_cd;
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CFATTACH_DECL_NEW(umodem, sizeof(struct umodem_softc), umodem_match,
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umodem_attach, umodem_detach, umodem_activate);
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int
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umodem_match(device_t parent, cfdata_t match, void *aux)
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{
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struct usbif_attach_arg *uaa = aux;
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usb_interface_descriptor_t *id;
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int cm, acm;
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if (uaa->class != UICLASS_CDC ||
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uaa->subclass != UISUBCLASS_ABSTRACT_CONTROL_MODEL ||
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uaa->proto != UIPROTO_CDC_AT)
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return (UMATCH_NONE);
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id = usbd_get_interface_descriptor(uaa->iface);
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if (umodem_get_caps(uaa->device, &cm, &acm, id) == -1)
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return (UMATCH_NONE);
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return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
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}
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void
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umodem_attach(device_t parent, device_t self, void *aux)
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{
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struct umodem_softc *sc = device_private(self);
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struct usbif_attach_arg *uaa = aux;
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struct ucom_attach_args uca;
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uca.portno = UCOM_UNK_PORTNO;
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uca.methods = &umodem_methods;
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uca.info = NULL;
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if (umodem_common_attach(self, sc, uaa, &uca))
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return;
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return;
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}
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int
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umodem_activate(device_t self, enum devact act)
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{
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struct umodem_softc *sc = device_private(self);
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return umodem_common_activate(sc, act);
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}
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int
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umodem_detach(device_t self, int flags)
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{
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struct umodem_softc *sc = device_private(self);
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#ifdef __FreeBSD__
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int flags = 0;
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#endif
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return umodem_common_detach(sc, flags);
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}
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