1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/* $OpenBSD: uscom.c,v 1.5 2016/09/02 09:14:59 mpi Exp $ */
/*
* Copyright (c) 2006 Jonathan Gray <jsg@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/tty.h>
#include <sys/device.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
#include <dev/usb/ucomvar.h>
#define USCOMBUFSZ 256
#define USCOM_IFACE_NO 0
struct uscom_softc {
struct device sc_dev;
struct usbd_device *sc_udev;
struct usbd_interface *sc_iface;
struct device *sc_subdev;
};
struct ucom_methods uscom_methods = {
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
};
static const struct usb_devno uscom_devs[] = {
{ USB_VENDOR_HP, USB_PRODUCT_HP_HPX9GP }
};
int uscom_match(struct device *, void *, void *);
void uscom_attach(struct device *, struct device *, void *);
int uscom_detach(struct device *, int);
struct cfdriver uscom_cd = {
NULL, "uscom", DV_DULL
};
const struct cfattach uscom_ca = {
sizeof(struct uscom_softc), uscom_match, uscom_attach, uscom_detach
};
int
uscom_match(struct device *parent, void *match, void *aux)
{
struct usb_attach_arg *uaa = aux;
if (uaa->iface == NULL)
return UMATCH_NONE;
return (usb_lookup(uscom_devs, uaa->vendor, uaa->product) != NULL) ?
UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
}
void
uscom_attach(struct device *parent, struct device *self, void *aux)
{
struct uscom_softc *sc = (struct uscom_softc *)self;
struct usb_attach_arg *uaa = aux;
struct ucom_attach_args uca;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
usbd_status error;
int i;
bzero(&uca, sizeof(uca));
sc->sc_udev = uaa->device;
/* get the first interface handle */
error = usbd_device2interface_handle(sc->sc_udev, USCOM_IFACE_NO,
&sc->sc_iface);
if (error != 0) {
printf("%s: could not get interface handle\n",
sc->sc_dev.dv_xname);
usbd_deactivate(sc->sc_udev);
return;
}
id = usbd_get_interface_descriptor(sc->sc_iface);
uca.bulkin = uca.bulkout = -1;
for (i = 0; i < id->bNumEndpoints; i++) {
ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
if (ed == NULL) {
printf("%s: no endpoint descriptor found for %d\n",
sc->sc_dev.dv_xname, i);
usbd_deactivate(sc->sc_udev);
return;
}
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
uca.bulkin = ed->bEndpointAddress;
else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
uca.bulkout = ed->bEndpointAddress;
}
if (uca.bulkin == -1 || uca.bulkout == -1) {
printf("%s: missing endpoint\n", sc->sc_dev.dv_xname);
usbd_deactivate(sc->sc_udev);
return;
}
uca.ibufsize = USCOMBUFSZ;
uca.obufsize = USCOMBUFSZ;
uca.ibufsizepad = USCOMBUFSZ;
uca.opkthdrlen = 0;
uca.device = sc->sc_udev;
uca.iface = sc->sc_iface;
uca.methods = &uscom_methods;
uca.arg = sc;
uca.info = NULL;
sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
}
int
uscom_detach(struct device *self, int flags)
{
struct uscom_softc *sc = (struct uscom_softc *)self;
int rv = 0;
if (sc->sc_subdev != NULL) {
rv = config_detach(sc->sc_subdev, flags);
sc->sc_subdev = NULL;
}
return (rv);
}
|
