use strict;

use warnings;

sub usb_vendor {

my $vendor;

open(IN, "<", "usb.ids");

open(OUT, ">", "20-usb-vendor-product.hwdb");

print(OUT "# This file is part of systemd.\n" .

"#\n" .

"# Data imported and updated from: http://www.linux-usb.org/usb.ids\n");

while (my $line = <IN>) {

$line =~ s/\s+$//;

$line =~ m/^([0-9a-f]{4})\s*(.+)$/;

if (defined $1) {

$vendor = uc $1;

my $text = $2;

print(OUT "\n");

print(OUT "usb:v" . $vendor . "*\n");

print(OUT " ID_VENDOR_FROM_DATABASE=" . $text . "\n");

next;

}

$line =~ m/^\t([0-9a-f]{4})\s*(.+)$/;

if (defined $1) {

my $product = uc $1;

my $text = $2;

print(OUT "\n");

print(OUT "usb:v" . $vendor . "p" . $product . "*\n");

print(OUT " ID_PRODUCT_FROM_DATABASE=" . $text . "\n");

}

}

close(IN);

close(OUT);

}

sub usb_classes {

my $class;

my $subclass;

my $protocol;

open(IN, "<", "usb.ids");

open(OUT, ">", "20-usb-classes.hwdb");

print(OUT "# This file is part of systemd.\n" .

"#\n" .

"# Data imported and updated from: http://www.linux-usb.org/usb.ids\n");

while (my $line = <IN>) {

$line =~ s/\s+$//;

$line =~ m/^C\ ([0-9a-f]{2})\s*(.+)$/;

if (defined $1) {

$class = uc $1;

if ($class =~ m/^00$/) {

next;

}

my $text = $2;

print(OUT "\n");

print(OUT "usb:v*p*d*dc" . $class . "*\n");

print(OUT " ID_USB_CLASS_FROM_DATABASE=" . $text . "\n");

next;

}

if (not defined $class) {

next;

} elsif ($line =~ m/^$/) {

last;

}

$line =~ m/^\t([0-9a-f]{2})\s*(.+)$/;

if (defined $1) {

$subclass = uc $1;

if ($subclass =~ m/^00$/) {

next;

}

my $text = $2;

if ($text =~ m/^(\?|None|Unused)$/) {

next;

}

print(OUT "\n");

print(OUT "usb:v*p*d*dc" . $class . "dsc" . $subclass . "*\n");

print(OUT " ID_USB_SUBCLASS_FROM_DATABASE=" . $text . "\n");

next;

}

$line =~ m/^\t\t([0-9a-f]{2})\s*(.+)$/;

if (defined $1) {

$protocol = uc $1;

my $text = $2;

if ($text =~ m/^(\?|None|Unused)$/) {

next;

}

print(OUT "\n");

print(OUT "usb:v*p*d*dc" . $class . "dsc" . $subclass . "dp" . $protocol . "*\n");

print(OUT " ID_USB_PROTOCOL_FROM_DATABASE=" . $text . "\n");

}

}

close(IN);

close(OUT);

}

sub pci_vendor {

my $vendor;

my $device;

open(IN, "<", "pci.ids");

open(OUT, ">", "20-pci-vendor-product.hwdb");

print(OUT "# This file is part of systemd.\n" .

"#\n" .

"# Data imported and updated from: http://pci-ids.ucw.cz/v2.2/pci.ids\n");

while (my $line = <IN>) {

$line =~ s/\s+$//;

$line =~ m/^([0-9a-f]{4})\s*(.+)$/;

if (defined $1) {

$vendor = uc $1;

my $text = $2;

print(OUT "\n");

print(OUT "pci:v0000" . $vendor . "*\n");

print(OUT " ID_VENDOR_FROM_DATABASE=" . $text . "\n");

next;

}

$line =~ m/^\t([0-9a-f]{4})\s*(.+)$/;

if (defined $1) {

$device = uc $1;

my $text = $2;

print(OUT "\n");

print(OUT "pci:v0000" . $vendor . "d0000" . $device . "*\n");

print(OUT " ID_PRODUCT_FROM_DATABASE=" . $text . "\n");

next;

}

$line =~ m/^\t\t([0-9a-f]{4})\s*([0-9a-f]{4})\s*(.*)$/;

if (defined $1) {

my $sub_vendor = uc $1;

my $sub_device = uc $2;

my $text = $3;

print(OUT "\n");

print(OUT "pci:v0000" . $vendor . "d0000" . $device . "sv0000" . $sub_vendor . "sd0000" . $sub_device . "*\n");

print(OUT " ID_PRODUCT_FROM_DATABASE=" . $text . "\n");

}

}

close(IN);

close(OUT);

}

sub pci_classes {

my $class;

my $subclass;

my $interface;

open(IN, "<", "pci.ids");

open(OUT, ">", "20-pci-classes.hwdb");

print(OUT "# This file is part of systemd.\n" .

"#\n" .

"# Data imported and updated from: http://pci-ids.ucw.cz/v2.2/pci.ids\n");

while (my $line = <IN>) {

$line =~ s/\s+$//;

$line =~ m/^C\ ([0-9a-f]{2})\s*(.+)$/;

if (defined $1) {

$class = uc $1;

my $text = $2;

print(OUT "\n");

print(OUT "pci:v*d*sv*sd*bc" . $class . "*\n");

print(OUT " ID_PCI_CLASS_FROM_DATABASE=" . $text . "\n");

next;

}

if (not defined $class) {

next;

} elsif ($line =~ m/^$/) {

last;

}

$line =~ m/^\t([0-9a-f]{2})\s*(.+)$/;

if (defined $1) {

$subclass = uc $1;

my $text = $2;

print(OUT "\n");

print(OUT "pci:v*d*sv*sd*bc" . $class . "sc" . $subclass . "*\n");

print(OUT " ID_PCI_SUBCLASS_FROM_DATABASE=" . $text . "\n");

next;

}

$line =~ m/^\t\t([0-9a-f]{2})\s*(.+)$/;

if (defined $1) {

$interface = uc $1;

my $text = $2;

print(OUT "\n");

print(OUT "pci:v*d*sv*sd*bc" . $class . "sc" . $subclass . "i" . $interface . "*\n");

print(OUT " ID_PCI_INTERFACE_FROM_DATABASE=" . $text . "\n");

}

}

close(IN);

close(OUT);

}

sub oui {

my $iab_prefix;

my %iab_prefixes = ();

open(OUT, ">", "20-OUI.hwdb");

print(OUT "# This file is part of systemd.\n" .

"#\n" .

"# Data imported and updated from: http://standards.ieee.org/develop/regauth/iab/iab.txt\n" .

"# Data imported and updated from: http://standards.ieee.org/develop/regauth/oui/oui.txt\n");

open(IN, "<", "iab.txt");

while (my $line = <IN>) {

$line =~ s/\s+$//;

$line =~ m/^([0-9A-F]{2})-([0-9A-F]{2})-([0-9A-F]{2})\s*\(hex\)\s*.+$/;

if (defined $1) {

$iab_prefix = $1 . $2 . $3;

$iab_prefixes{ $iab_prefix } = 1;

next;

}

$line =~ m/^([0-9A-F]{3})000-\g1FFF\s*\(base 16\)\s*(.+)$/;

if (defined $1) {

my $vendor = uc $1;

my $text = $2;

print(OUT "\n");

print(OUT "OUI:" . $iab_prefix . $vendor . "*\n");

print(OUT " ID_OUI_FROM_DATABASE=" . $text . "\n");

}

}

close(IN);

open(IN, "<", "oui.txt");

while (my $line = <IN>) {

$line =~ s/\s+$//;

$line =~ m/^([0-9A-F]{6})\s*\(base 16\)\s*(.+)$/;

if (defined $1) {

my $vendor = uc $1;

my $text = $2;

# skip the IAB prefixes

if (! exists $iab_prefixes{ $vendor }) {

print(OUT "\n");

print(OUT "OUI:" . $vendor . "*\n");

print(OUT " ID_OUI_FROM_DATABASE=" . $text . "\n");

}

}

}

close(IN);

close(OUT);

}

usb_vendor();

usb_classes();

pci_vendor();

pci_classes();

oui();