xref: /netbsd-src/sys/dev/usb/ucom.c (revision bada23909e740596d0a3785a73bd3583a9807fb8)
1 /*	$NetBSD: ucom.c,v 1.7 1999/01/10 19:13:15 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@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 <dev/usb/usb_port.h>
41 
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/malloc.h>
46 #if defined(__NetBSD__)
47 #include <sys/ioctl.h>
48 #include <sys/device.h>
49 #elif defined(__FreeBSD__)
50 #include <sys/module.h>
51 #include <sys/bus.h>
52 #include <sys/ioccom.h>
53 #include <sys/conf.h>
54 #endif
55 #include <sys/tty.h>
56 #include <sys/file.h>
57 #include <sys/select.h>
58 #include <sys/proc.h>
59 #include <sys/vnode.h>
60 #include <sys/poll.h>
61 
62 #include <dev/usb/usb.h>
63 #include <dev/usb/usbhid.h>
64 
65 #include <dev/usb/usbdi.h>
66 #include <dev/usb/usbdi_util.h>
67 #include <dev/usb/usbdevs.h>
68 #include <dev/usb/usb_quirks.h>
69 #include <dev/usb/hid.h>
70 
71 #ifdef USB_DEBUG
72 #define DPRINTF(x)	if (ucomdebug) printf x
73 #define DPRINTFN(n,x)	if (ucomdebug>(n)) printf x
74 int	ucomdebug = 0;
75 #else
76 #define DPRINTF(x)
77 #define DPRINTFN(n,x)
78 #endif
79 
80 struct ucom_softc {
81 	bdevice sc_dev;			/* base device */
82 	usbd_interface_handle sc_iface;	/* interface */
83 };
84 
85 void ucom_intr __P((usbd_request_handle, usbd_private_handle, usbd_status));
86 void ucom_disco __P((void *));
87 
88 USB_DECLARE_DRIVER(ucom);
89 
90 USB_MATCH(ucom)
91 {
92 	USB_MATCH_START(ucom, uaa);
93 	usb_interface_descriptor_t *id;
94 
95 	if (!uaa->iface)
96 		return (UMATCH_NONE);
97 	id = usbd_get_interface_descriptor(uaa->iface);
98 	if (id &&
99 	    id->bInterfaceClass != UCLASS_CDC ||
100 	    id->bInterfaceSubClass != USUBCLASS_MODEM)
101 		return (UMATCH_NONE);
102 	return (UMATCH_IFACECLASS_IFACESUBCLASS);
103 }
104 
105 USB_ATTACH(ucom)
106 {
107 	USB_ATTACH_START(ucom, sc, uaa);
108 	usbd_interface_handle iface = uaa->iface;
109 	usb_interface_descriptor_t *id;
110 	char devinfo[1024];
111 
112 	sc->sc_iface = iface;
113 	id = usbd_get_interface_descriptor(iface);
114 	usbd_devinfo(uaa->device, 0, devinfo);
115 	USB_ATTACH_SETUP;
116 	printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
117 	       devinfo, id->bInterfaceClass, id->bInterfaceSubClass);
118 
119 	USB_ATTACH_SUCCESS_RETURN;
120 }
121 
122 #if defined(__FreeBSD__)
123 static int
124 ucom_detach(device_t self)
125 {
126         struct ucom_softc *sc = device_get_softc(self);
127 	char *devinfo = (char *) device_get_desc(self);
128 
129 	if (devinfo) {
130 		device_set_desc(self, NULL);
131 		free(devinfo, M_USB);
132 	}
133 	return 0;
134 }
135 #endif
136 
137 #if defined(__FreeBSD__)
138 DRIVER_MODULE(ucom, usb, ucom_driver, ucom_devclass, usbd_driver_load, 0);
139 #endif
140 
141