3 # UsbDev -- the probed values for a USB device, as found in /sys.
4 # Copyright (C) 2005 Erik van Konijnenburg
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 # The information passed to the matcher should correspond to what
22 # is passed by hotplug.
25 # vendor, product, bcdDevice = 0, 0, 0
26 # deviceClass, subClass, protocol = from /sys
27 # interfaceClass, subClass, protocol = 1000,1000,1000
29 # vendor, product, bcdDevice = from /sys in parent device
30 # deviceClass, subClass, protocol = 1000,1000,1000
31 # interfaceClass, subClass, protocol = from /sys
33 # Note that somewhere in 2.5, the hotplug events for USB
34 # changed: old kernels only had an event for the first interface,
35 # with no distinction between interface and device.
47 $self->takeArgs ('path');
48 my $path = $self->{path};
49 if (-f "$path/bDeviceClass") {
50 $self->{idVendor} = 0;
51 $self->{idProduct} = 0;
52 $self->{bcdDevice} = 0;
53 $self->{bDeviceClass} = Base::getHexFile ("$path/bDeviceClass");
54 $self->{bDeviceSubClass} = Base::getHexFile ("$path/bDeviceSubClass");
55 $self->{bDeviceProtocol} = Base::getHexFile ("$path/bDeviceProtocol");
56 $self->{bInterfaceClass} = 1000;
57 $self->{bInterfaceSubClass} = 1000;
58 $self->{bInterfaceProtocol} = 1000;
60 elsif (-f "$path/bInterfaceClass") {
61 $self->{idVendor} = Base::getHexFile ("$path/../idVendor");
62 $self->{idProduct} = Base::getHexFile ("$path/../idProduct");
63 $self->{bcdDevice} = Base::getHexFile ("$path/../bcdDevice");
64 $self->{bDeviceClass} = 1000;
65 $self->{bDeviceSubClass} = 1000;
66 $self->{bDeviceProtocol} = 1000;
67 $self->{bInterfaceClass} = Base::getHexFile ("$path/bInterfaceClass");
68 $self->{bInterfaceSubClass} = Base::getHexFile ("$path/bInterfaceSubClass");
69 $self->{bInterfaceProtocol} = Base::getHexFile ("$path/bInterfaceProtocol");
72 Base::fatal "trying to interpret $path as /sys USB devive";
76 sub idVendor { return $_[0]->{idVendor}; }
77 sub idProduct { return $_[0]->{idProduct}; }
78 sub bcdDevice { return $_[0]->{bcdDevice}; }
79 sub bDeviceClass { return $_[0]->{bDeviceClass}; }
80 sub bDeviceSubClass { return $_[0]->{bDeviceSubClass}; }
81 sub bDeviceProtocol { return $_[0]->{bDeviceProtocol}; }
82 sub bInterfaceClass { return $_[0]->{bInterfaceClass}; }
83 sub bInterfaceSubClass { return $_[0]->{bInterfaceSubClass}; }
84 sub bInterfaceProtocol { return $_[0]->{bInterfaceProtocol}; }