/*
* Copyright (c) 1999, 2002 Lennart Augustsson <augustss@netbsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <err.h>
#include <dev/usb/usb.h>
/* Backwards compatibility */
#ifndef UE_GET_DIR
#define UE_GET_DIR(a) ((a) & 0x80)
#define UE_DIR_IN 0x80
#define UE_DIR_OUT 0x00
#endif
int verbose;
void
show_device_desc(int indent, usb_device_descriptor_t *d)
{
printf("\
%*sbLength=%d bDescriptorType=%d bcdUSB=%x.%02x bDeviceClass=%d bDeviceSubClass=%d\n\
%*sbDeviceProtocol=%d bMaxPacketSize=%d\n\
%*sidVendor=0x%04x idProduct=0x%04x bcdDevice=%x\n\
%*siManufacturer=%d iProduct=%d iSerialNumber=%d bNumConfigurations=%d\n",
indent, "",
d->bLength, d->bDescriptorType,
UGETW(d->bcdUSB) >> 8, UGETW(d->bcdUSB) & 0xff, d->bDeviceClass,
d->bDeviceSubClass,
indent, "",
d->bDeviceProtocol, d->bMaxPacketSize,
indent, "",
UGETW(d->idVendor), UGETW(d->idProduct), UGETW(d->bcdDevice),
indent, "",
d->iManufacturer, d->iProduct, d->iSerialNumber,
d->bNumConfigurations);
}
void
show_config_desc(int indent, usb_config_descriptor_t *d)
{
printf("\
%*sbLength=%d bDescriptorType=%d wTotalLength=%d bNumInterface=%d\n\
%*sbConfigurationValue=%d iConfiguration=%d bmAttributes=%x bMaxPower=%d mA\n",
indent, "",
d->bLength, d->bDescriptorType,
UGETW(d->wTotalLength), d->bNumInterface,
indent, "",
d->bConfigurationValue, d->iConfiguration,
d->bmAttributes, d->bMaxPower*2);
}
void
show_interface_desc(int indent, usb_interface_descriptor_t *d)
{
printf("\
%*sbLength=%d bDescriptorType=%d bInterfaceNumber=%d bAlternateSetting=%d\n\
%*sbNumEndpoints=%d bInterfaceClass=%d bInterfaceSubClass=%d\n\
%*sbInterfaceProtocol=%d iInterface=%d\n",
indent, "",
d->bLength, d->bDescriptorType, d->bInterfaceNumber,
d->bAlternateSetting,
indent, "",
d->bNumEndpoints, d->bInterfaceClass, d->bInterfaceSubClass,
indent, "",
d->bInterfaceProtocol, d->iInterface);
}
void
show_endpoint_desc(int indent, usb_endpoint_descriptor_t *d)
{
printf("\
%*sbLength=%d bDescriptorType=%d bEndpointAddress=%d-%s\n\
%*sbmAttributes=%x wMaxPacketSize=%d bInterval=%d\n",
indent, "",
d->bLength, d->bDescriptorType,
d->bEndpointAddress & UE_ADDR,
UE_GET_DIR(d->bEndpointAddress) == UE_DIR_IN ? "in" : "out",
indent, "",
d->bmAttributes, UGETW(d->wMaxPacketSize), d->bInterval);
}
void
set_conf(int f, int conf)
{
if (verbose)
printf("setting configuration %d\n", conf);
if (ioctl(f, USB_SET_CONFIG, &conf) != 0)
err(1, "ioctl USB_SET_CONFIG");
}
void
dump_idesc(int f, int all, int cindex, int iindex, int aindex)
{
struct usb_interface_desc idesc;
struct usb_endpoint_desc edesc;
int e;
idesc.uid_config_index = cindex;
idesc.uid_interface_index = iindex;
idesc.uid_alt_index = aindex;
/*printf("*** idesc %d %d %d\n", cindex, iindex, aindex);*/
if (ioctl(f, USB_GET_INTERFACE_DESC, &idesc) != 0)
err(1, "ioctl USB_GET_INTERFACE_DESC");
if (all) {
printf(" INTERFACE descriptor index %d, alt index %d:\n",
iindex, aindex);
} else {
printf(" INTERFACE descriptor index %d:\n", iindex);
}
show_interface_desc(2, &idesc.uid_desc);
printf("\n");
edesc.ued_config_index = cindex;
edesc.ued_interface_index = iindex;
edesc.ued_alt_index = aindex;
for (e = 0; e < idesc.uid_desc.bNumEndpoints; e++) {
edesc.ued_endpoint_index = e;
if (ioctl(f, USB_GET_ENDPOINT_DESC, &edesc) != 0)
err(1, "ioctl USB_GET_ENDPOINT_DESC");
printf(" ENDPOINT descriptor index %d:\n", e);
show_endpoint_desc(4, &edesc.ued_desc);
printf("\n");
}
}
void
dump_cdesc(int f, int all, int cindex)
{
struct usb_config_desc cdesc;
struct usb_alt_interface ai;
int i, a;
cdesc.ucd_config_index = cindex;
if (ioctl(f, USB_GET_CONFIG_DESC, &cdesc) != 0)
err(1, "ioctl USB_GET_CONFIG_DESC");
if (all)
printf("CONFIGURATION descriptor index %d:\n", cindex);
else
printf("CONFIGURATION descriptor:\n");
show_config_desc(0, &cdesc.ucd_desc);
printf("\n");
for (i = 0; i < cdesc.ucd_desc.bNumInterface; i++) {
if (all) {
#if 0
if (ioctl(f, USB_GET_ALTINTERFACE, &ai) != 0)
err(1, "USB_GET_ALTINTERFACE");
printf("Current alternative %d\n", ai->alt_no);
#endif
ai.uai_config_index = cindex;
ai.uai_interface_index = i;
if (ioctl(f, USB_GET_NO_ALT, &ai) != 0)
err(1, "USB_GET_NO_ALT");
/*printf("*** %d alts\n", ai.alt_no);*/
for (a = 0; a < ai.uai_alt_no; a++)
dump_idesc(f, all, cindex, i, a);
} else {
dump_idesc(f, all, cindex, i, USB_CURRENT_ALT_INDEX);
}
}
}
void
dump_desc(int f, int all)
{
usb_device_descriptor_t ddesc;
int c, co;
if (verbose)
printf("Dumping %s descriptors\n", all ? "all" : "current");
if (ioctl(f, USB_GET_DEVICE_DESC, &ddesc) != 0)
err(1, "ioctl USB_GET_DEVICE_DESC");
printf("DEVICE descriptor:\n");
show_device_desc(0, &ddesc);
printf("\n");
if (all) {
if (ioctl(f, USB_GET_CONFIG, &co) != 0)
err(1, "ioctl USB_GET_CONFIG");
printf("Current configuration is number %d\n\n", co);
for (c = 0; c < ddesc.bNumConfigurations; c++)
dump_cdesc(f, all, c);
} else
dump_cdesc(f, all, USB_CURRENT_CONFIG_INDEX);
}
void
dump_deviceinfo(int f)
{
struct usb_device_info di;
if (ioctl(f, USB_GET_DEVICEINFO, &di) != 0)
err(1, "USB_GET_DEVICEINFO");
printf("Product: %s\n", di.udi_product);
printf("Vendor: %s\n", di.udi_vendor);
printf("address %d\n", di.udi_addr);
}
void
usage(void)
{
extern char *__progname;
fprintf(stderr, "Usage: %s [-c configno] [-d] [-D] [-i] -f device [-v]\n", __progname);
exit(1);
}
int
main(int argc, char **argv)
{
char *dev = 0;
char devbuf[1024];
int f, ch, i;
/* Find device first */
for (i = 1; i < argc-1; i++) {
if (strcmp(argv[i], "-f") == 0) {
dev = argv[i+1];
break;
}
}
if (!dev)
usage();
f = open(dev, O_RDWR);
if (f < 0) {
if (dev[0] != '/') {
sprintf(devbuf, "/dev/%s", dev);
f = open(devbuf, O_RDWR);
} else
strcpy(devbuf, dev);
if (f < 0) {
if (!strchr(devbuf, '.')) {
strcat(devbuf, ".00");
f = open(devbuf, O_RDWR);
}
}
}
if (f < 0)
err(1, "%s", dev);
while ((ch = getopt(argc, argv, "c:dDf:iv")) != -1) {
switch(ch) {
case 'c':
set_conf(f, atoi(optarg));
break;
case 'd':
dump_desc(f, 0);
break;
case 'D':
dump_desc(f, 1);
break;
case 'f':
break;
case 'i':
dump_deviceinfo(f);
printf("\n");
break;
case 'v':
verbose = 1;
break;
case '?':
default:
usage();
}
}
argc -= optind;
argv += optind;
exit(0);
}
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