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cros-keyboard-map.py
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#!/usr/bin/env python3
import argparse
import platform
device_ids = {
"k:0000:0000", # cros_ec keyboard
"k:0001:0001", # AT keyboard
"k:18d1:503c", # Google Inc. Hammer
"k:18d1:5050", # Google Inc. Hammer
"k:18d1:504c", # Google Inc. Hammer
"k:18d1:5052", # Google Inc. Hammer
"k:18d1:5057", # Google Inc. Hammer
"k:18d1:505b", # Google Inc. Hammer
"k:18d1:5030", # Google Inc. Hammer
"k:18d1:503d", # Google Inc. Hammer
"k:18d1:5044", # Google Inc. Hammer
"k:18d1:5061", # Google Inc. Hammer
"k:18d1:502b", # Google Inc. Hammer
}
vivaldi_keys = {
"x86_64": {
"90": "previoussong",
"91": "zoom",
"92": "scale",
"93": "sysrq",
"94": "brightnessdown",
"95": "brightnessup",
"97": "kbdillumdown",
"98": "kbdillumup",
"99": "nextsong",
"9A": "playpause",
"9B": "micmute",
"9E": "kbdillumtoggle",
"A0": "mute",
"AE": "volumedown",
"B0": "volumeup",
"E9": "forward",
"EA": "back",
"E7": "refresh",
},
"arm": {
"158": "back",
"159": "forward",
"173": "refresh",
"372": "zoom",
"120": "scale",
"224": "brightnessdown",
"225": "brightnessup",
"113": "mute",
"114": "volumedown",
"115": "volumeup",
"99" : "sysrq",
}
}
def get_arch():
return platform.uname().machine
def get_ids_string(device_ids):
return "\n".join(device_ids)
def get_dt_layout():
keys = []
keycodes = []
fdt = libfdt.Fdt(open("/sys/firmware/fdt", "rb").read())
currentnode = fdt.first_subnode(0)
while True:
try:
if fdt.get_name(currentnode) == "keyboard-controller":
prop = fdt.getprop(currentnode, "linux,keymap")
keys = prop.as_uint32_list()
currentnode = fdt.next_node(currentnode, 10)[0]
except:
break
if not keys:
return ""
for key in keys:
keycode = str(key & 0xFFFF)
if keycode in vivaldi_keys["arm"]:
keycodes.append(keycode)
return keycodes
def get_physmap_data():
if get_arch() == "x86_64":
try:
with open("/sys/bus/platform/devices/i8042/serio0/function_row_physmap", "r") as file:
return file.read().strip().split()
except FileNotFoundError:
return ""
else:
return get_dt_layout()
def get_functional_row(physmap, use_vivaldi, super_is_held, super_inverted):
arch = get_arch()
if arch != "x86_64":
arch = "arm"
i = 0
result = ""
for code in physmap:
i += 1
# Map zoom to f11 since most applications wont listen to zoom
mapping = "f11" if vivaldi_keys[arch][code] == "zoom" \
else vivaldi_keys[arch][code]
match [super_is_held, use_vivaldi, super_inverted]:
case [True, True, False] | [False, True, True]:
result += f"{vivaldi_keys[arch][code]} = f{i}\n"
case [True, False, False] | [False, False, True]:
result += f"f{i} = f{i}\n"
case [False, True, False] | [True, True, True]:
result += f"{vivaldi_keys[arch][code]} = {mapping}\n"
case [False, False, False] | [True, False, True]:
result += f"f{i} = {mapping}\n"
return result
def get_keyd_config(physmap, inverted):
config = f"""\
[ids]
{get_ids_string(device_ids)}
[main]
{get_functional_row(physmap, use_vivaldi=False, super_is_held=False, super_inverted=inverted)}
{get_functional_row(physmap, use_vivaldi=True, super_is_held=False, super_inverted=inverted)}
f13=coffee
sleep=coffee
[meta]
{get_functional_row(physmap, use_vivaldi=False, super_is_held=True, super_inverted=inverted)}
{get_functional_row(physmap, use_vivaldi=True, super_is_held=True, super_inverted=inverted)}
[alt]
backspace = delete
brightnessdown = kbdillumdown
brightnessup = kbdillumup
f6 = kbdillumdown
f7 = kbdillumup
[control]
f5 = sysrq
scale = sysrq
[altgr]
backspace = delete
left = home
right = end
up = pageup
down = pagedown
[control+alt]
backspace = C-A-delete
"""
return config
def main():
parser = argparse.ArgumentParser()
parser.add_argument("-f", "--file", default="cros.conf", help="path to save config (default: cros.conf)")
parser.add_argument("-i", "--inverted", action="store_true",
help="use functional keys by default and media keys when super is held")
args = vars(parser.parse_args())
physmap = get_physmap_data()
if not physmap:
print("no function row mapping found, using default mapping")
if get_arch() == "x86_64":
physmap = ['EA', 'E9', 'E7', '91', '92', '94', '95', 'A0', 'AE', 'B0']
else:
physmap = ['158', '159', '173', '372', '120', '224', '225', '113', '114', '115']
config = get_keyd_config(physmap, args["inverted"])
with open(args["file"], "w") as conf:
conf.write(config)
if __name__ == "__main__":
if get_arch() != "x86_64":
import libfdt
main()