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umodem.c revision 1.5 
      1 /*	$NetBSD: umodem.c,v 1.5 1999/01/08 11:58:25 augustss Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Lennart Augustsson (augustss (at) carlstedt.se) at
      9  * Carlstedt Research & Technology.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *        This product includes software developed by the NetBSD
     22  *        Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 #include <sys/kernel.h>
     43 #include <sys/malloc.h>
     44 #if defined(__NetBSD__)
     45 #include <sys/ioctl.h>
     46 #elif defined(__FreeBSD__)
     47 #include <sys/module.h>
     48 #include <sys/bus.h>
     49 #include <sys/ioccom.h>
     50 #include <sys/conf.h>
     51 #endif
     52 #include <sys/tty.h>
     53 #include <sys/file.h>
     54 #include <sys/select.h>
     55 #include <sys/proc.h>
     56 #include <sys/vnode.h>
     57 #include <sys/device.h>
     58 #include <sys/poll.h>
     59 
     60 #include <dev/usb/usb.h>
     61 #include <dev/usb/usbcdc.h>
     62 
     63 #include <dev/usb/usbdi.h>
     64 #include <dev/usb/usbdi_util.h>
     65 #include <dev/usb/usbdevs.h>
     66 #include <dev/usb/usb_quirks.h>
     67 
     68 #ifdef USB_DEBUG
     69 #define DPRINTF(x)	if (umodemdebug) printf x
     70 #define DPRINTFN(n,x)	if (umodemdebug>(n)) printf x
     71 int	umodemdebug = 0;
     72 #else
     73 #define DPRINTF(x)
     74 #define DPRINTFN(n,x)
     75 #endif
     76 
     77 struct umodem_softc {
     78 	bdevice sc_dev;			/* base device */
     79 	usbd_interface_handle sc_ctl;	/* control interface */
     80 	usbd_interface_handle sc_data;	/* data interface */
     81 	uByte	cmCaps;
     82 	uByte	acmCaps;
     83 };
     84 
     85 void umodem_intr __P((usbd_request_handle, usbd_private_handle, usbd_status));
     86 void umodem_disco __P((void *));
     87 
     88 USB_DECLARE_DRIVER(umodem);
     89 
     90 USB_MATCH(umodem)
     91 {
     92 	USB_MATCH_START(umodem, uaa);
     93 
     94 	usb_interface_descriptor_t *id;
     95 
     96 	if (!uaa->iface)
     97 		return (UMATCH_NONE);
     98 	id = usbd_get_interface_descriptor(uaa->iface);
     99 	if (!id ||
    100 	    id->bInterfaceClass != UCLASS_CDC ||
    101 	    id->bInterfaceSubClass != USUBCLASS_ABSTRACT_CONTROL_MODEL ||
    102 	    id->bInterfaceProtocol != UPROTO_CDC_AT)
    103 		return (UMATCH_NONE);
    104 	return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
    105 }
    106 
    107 USB_ATTACH(umodem)
    108 {
    109 	USB_ATTACH_START(umodem, sc, uaa);
    110 	usbd_interface_handle iface = uaa->iface;
    111 	usb_interface_descriptor_t *id;
    112 	char devinfo[1024];
    113 
    114 	sc->sc_ctl = iface;
    115 	id = usbd_get_interface_descriptor(iface);
    116 	usbd_devinfo(uaa->device, 0, devinfo);
    117 	USB_ATTACH_SETUP;
    118 	printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
    119 	       devinfo, id->bInterfaceClass, id->bInterfaceSubClass);
    120 
    121 	USB_ATTACH_SUCCESS_RETURN;
    122 }
    123 
    124 #if defined(__FreeBSD__)
    125 static int
    126 umodem_detach(device_t self)
    127 {
    128 	struct umodem_softc *sc = device_get_softc(self);
    129 	char *devinfo = (char *) device_get_desc(self);
    130 
    131 	if (devinfo) {
    132 		device_set_desc(self, NULL);
    133 		free(devinfo, M_USB);
    134 }
    135 
    136 	return 0;
    137 }
    138 #endif
    139 
    140 #if defined(__FreeBSD__)
    141 DRIVER_MODULE(umodem, usb, umodem_driver, umodem_devclass, usbd_driver_load,0);
    142 #endif
    143 
    144