mirror of
https://github.com/systemd/systemd-stable.git
synced 2024-12-23 17:34:00 +03:00
18c0096ec2
This adds support for AV production controller devices, such
as DJ tables, music-oriented key pads, and others.
The USB vendor and product IDs come from Mixxx, Ctlra, and
Ardour.
Fixes #20533
Co-developed-by: Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
(cherry picked from commit f2c36c0e24)
323 lines
13 KiB
Python
Executable File
323 lines
13 KiB
Python
Executable File
#!/usr/bin/env python3
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# SPDX-License-Identifier: MIT
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#
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# This file is distributed under the MIT license, see below.
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#
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# The MIT License (MIT)
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import glob
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import string
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import sys
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import os
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try:
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from pyparsing import (Word, White, Literal, ParserElement, Regex, LineEnd,
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OneOrMore, Combine, Or, Optional, Suppress, Group,
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nums, alphanums, printables,
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stringEnd, pythonStyleComment,
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ParseBaseException, __diag__)
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except ImportError:
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print('pyparsing is not available')
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sys.exit(77)
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try:
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from evdev.ecodes import ecodes
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except ImportError:
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ecodes = None
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print('WARNING: evdev is not available')
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try:
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from functools import lru_cache
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except ImportError:
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# don't do caching on old python
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lru_cache = lambda: (lambda f: f)
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__diag__.warn_multiple_tokens_in_named_alternation = True
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__diag__.warn_ungrouped_named_tokens_in_collection = True
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__diag__.warn_name_set_on_empty_Forward = True
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__diag__.warn_on_multiple_string_args_to_oneof = True
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__diag__.enable_debug_on_named_expressions = True
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EOL = LineEnd().suppress()
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EMPTYLINE = LineEnd()
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COMMENTLINE = pythonStyleComment + EOL
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INTEGER = Word(nums)
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REAL = Combine((INTEGER + Optional('.' + Optional(INTEGER))) ^ ('.' + INTEGER))
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SIGNED_REAL = Combine(Optional(Word('-+')) + REAL)
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UDEV_TAG = Word(string.ascii_uppercase, alphanums + '_')
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# Those patterns are used in type-specific matches
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TYPES = {'mouse': ('usb', 'bluetooth', 'ps2', '*'),
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'evdev': ('name', 'atkbd', 'input'),
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'fb': ('pci'),
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'id-input': ('modalias'),
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'touchpad': ('i8042', 'rmi', 'bluetooth', 'usb'),
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'joystick': ('i8042', 'rmi', 'bluetooth', 'usb'),
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'keyboard': ('name', ),
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'sensor': ('modalias', ),
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'ieee1394-unit-function' : ('node', ),
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'camera': ('usb'),
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}
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# Patterns that are used to set general properties on a device
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GENERAL_MATCHES = {'acpi',
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'bluetooth',
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'usb',
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'pci',
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'sdio',
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'vmbus',
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'OUI',
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'ieee1394',
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}
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def upperhex_word(length):
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return Word(nums + 'ABCDEF', exact=length)
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@lru_cache()
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def hwdb_grammar():
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ParserElement.setDefaultWhitespaceChars('')
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prefix = Or(category + ':' + Or(conn) + ':'
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for category, conn in TYPES.items())
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matchline_typed = Combine(prefix + Word(printables + ' ' + '®'))
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matchline_general = Combine(Or(GENERAL_MATCHES) + ':' + Word(printables + ' ' + '®'))
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matchline = (matchline_typed | matchline_general) + EOL
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propertyline = (White(' ', exact=1).suppress() +
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Combine(UDEV_TAG - '=' - Optional(Word(alphanums + '_=:@*.!-;, "/'))
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- Optional(pythonStyleComment)) +
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EOL)
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propertycomment = White(' ', exact=1) + pythonStyleComment + EOL
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group = (OneOrMore(matchline('MATCHES*') ^ COMMENTLINE.suppress()) -
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OneOrMore(propertyline('PROPERTIES*') ^ propertycomment.suppress()) -
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(EMPTYLINE ^ stringEnd()).suppress())
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commentgroup = OneOrMore(COMMENTLINE).suppress() - EMPTYLINE.suppress()
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grammar = OneOrMore(Group(group)('GROUPS*') ^ commentgroup) + stringEnd()
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return grammar
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@lru_cache()
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def property_grammar():
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ParserElement.setDefaultWhitespaceChars(' ')
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dpi_setting = Group(Optional('*')('DEFAULT') + INTEGER('DPI') + Suppress('@') + INTEGER('HZ'))('SETTINGS*')
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mount_matrix_row = SIGNED_REAL + ',' + SIGNED_REAL + ',' + SIGNED_REAL
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mount_matrix = Group(mount_matrix_row + ';' + mount_matrix_row + ';' + mount_matrix_row)('MOUNT_MATRIX')
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xkb_setting = Optional(Word(alphanums + '+-/@._'))
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# Although this set doesn't cover all of characters in database entries, it's enough for test targets.
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name_literal = Word(printables + ' ')
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props = (('MOUSE_DPI', Group(OneOrMore(dpi_setting))),
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('MOUSE_WHEEL_CLICK_ANGLE', INTEGER),
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('MOUSE_WHEEL_CLICK_ANGLE_HORIZONTAL', INTEGER),
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('MOUSE_WHEEL_CLICK_COUNT', INTEGER),
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('MOUSE_WHEEL_CLICK_COUNT_HORIZONTAL', INTEGER),
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('ID_AUTOSUSPEND', Or((Literal('0'), Literal('1')))),
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('ID_AV_PRODUCTION_CONTROLLER', Or((Literal('0'), Literal('1')))),
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('ID_PERSIST', Or((Literal('0'), Literal('1')))),
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('ID_INPUT', Or((Literal('0'), Literal('1')))),
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('ID_INPUT_ACCELEROMETER', Or((Literal('0'), Literal('1')))),
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('ID_INPUT_JOYSTICK', Or((Literal('0'), Literal('1')))),
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('ID_INPUT_KEY', Or((Literal('0'), Literal('1')))),
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('ID_INPUT_KEYBOARD', Or((Literal('0'), Literal('1')))),
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('ID_INPUT_MOUSE', Or((Literal('0'), Literal('1')))),
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('ID_INPUT_POINTINGSTICK', Or((Literal('0'), Literal('1')))),
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('ID_INPUT_SWITCH', Or((Literal('0'), Literal('1')))),
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('ID_INPUT_TABLET', Or((Literal('0'), Literal('1')))),
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('ID_INPUT_TABLET_PAD', Or((Literal('0'), Literal('1')))),
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('ID_INPUT_TOUCHPAD', Or((Literal('0'), Literal('1')))),
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('ID_INPUT_TOUCHSCREEN', Or((Literal('0'), Literal('1')))),
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('ID_INPUT_TRACKBALL', Or((Literal('0'), Literal('1')))),
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('ID_SIGNAL_ANALYZER', Or((Literal('0'), Literal('1')))),
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('POINTINGSTICK_SENSITIVITY', INTEGER),
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('POINTINGSTICK_CONST_ACCEL', REAL),
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('ID_INPUT_JOYSTICK_INTEGRATION', Or(('internal', 'external'))),
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('ID_INPUT_TOUCHPAD_INTEGRATION', Or(('internal', 'external'))),
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('XKB_FIXED_LAYOUT', xkb_setting),
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('XKB_FIXED_VARIANT', xkb_setting),
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('XKB_FIXED_MODEL', xkb_setting),
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('KEYBOARD_LED_NUMLOCK', Literal('0')),
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('KEYBOARD_LED_CAPSLOCK', Literal('0')),
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('ACCEL_MOUNT_MATRIX', mount_matrix),
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('ACCEL_LOCATION', Or(('display', 'base'))),
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('PROXIMITY_NEAR_LEVEL', INTEGER),
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('IEEE1394_UNIT_FUNCTION_MIDI', Or((Literal('0'), Literal('1')))),
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('IEEE1394_UNIT_FUNCTION_AUDIO', Or((Literal('0'), Literal('1')))),
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('IEEE1394_UNIT_FUNCTION_VIDEO', Or((Literal('0'), Literal('1')))),
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('ID_VENDOR_FROM_DATABASE', name_literal),
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('ID_MODEL_FROM_DATABASE', name_literal),
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('ID_TAG_MASTER_OF_SEAT', Literal('1')),
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('ID_INFRARED_CAMERA', Or((Literal('0'), Literal('1')))),
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('ID_CAMERA_DIRECTION', Or(('front', 'rear'))),
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)
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fixed_props = [Literal(name)('NAME') - Suppress('=') - val('VALUE')
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for name, val in props]
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kbd_props = [Regex(r'KEYBOARD_KEY_[0-9a-f]+')('NAME')
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- Suppress('=') -
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('!' ^ (Optional('!') - Word(alphanums + '_')))('VALUE')
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]
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abs_props = [Regex(r'EVDEV_ABS_[0-9a-f]{2}')('NAME')
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- Suppress('=') -
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Word(nums + ':')('VALUE')
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]
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grammar = Or(fixed_props + kbd_props + abs_props) + EOL
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return grammar
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ERROR = False
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def error(fmt, *args, **kwargs):
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global ERROR
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ERROR = True
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print(fmt.format(*args, **kwargs))
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def convert_properties(group):
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matches = [m[0] for m in group.MATCHES]
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props = [p[0] for p in group.PROPERTIES]
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return matches, props
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def parse(fname):
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grammar = hwdb_grammar()
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try:
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with open(fname, 'r', encoding='UTF-8') as f:
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parsed = grammar.parseFile(f)
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except ParseBaseException as e:
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error('Cannot parse {}: {}', fname, e)
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return []
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return [convert_properties(g) for g in parsed.GROUPS]
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def check_matches(groups):
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matches = sum((group[0] for group in groups), [])
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# This is a partial check. The other cases could be also done, but those
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# two are most commonly wrong.
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grammars = { 'usb' : 'v' + upperhex_word(4) + Optional('p' + upperhex_word(4) + Optional(':')) + '*',
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'pci' : 'v' + upperhex_word(8) + Optional('d' + upperhex_word(8) + Optional(':')) + '*',
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}
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for match in matches:
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prefix, rest = match.split(':', maxsplit=1)
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gr = grammars.get(prefix)
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if gr:
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# we check this first to provide an easy error message
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if rest[-1] not in '*:':
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error('pattern {} does not end with "*" or ":"', match)
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try:
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gr.parseString(rest)
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except ParseBaseException as e:
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error('Pattern {!r} is invalid: {}', rest, e)
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continue
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matches.sort()
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prev = None
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for match in matches:
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if match == prev:
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error('Match {!r} is duplicated', match)
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prev = match
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def check_one_default(prop, settings):
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defaults = [s for s in settings if s.DEFAULT]
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if len(defaults) > 1:
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error('More than one star entry: {!r}', prop)
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def check_one_mount_matrix(prop, value):
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numbers = [s for s in value if s not in {';', ','}]
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if len(numbers) != 9:
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error('Wrong accel matrix: {!r}', prop)
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try:
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numbers = [abs(float(number)) for number in numbers]
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except ValueError:
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error('Wrong accel matrix: {!r}', prop)
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bad_x, bad_y, bad_z = max(numbers[0:3]) == 0, max(numbers[3:6]) == 0, max(numbers[6:9]) == 0
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if bad_x or bad_y or bad_z:
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error('Mount matrix is all zero in {} row: {!r}',
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'x' if bad_x else ('y' if bad_y else 'z'),
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prop)
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def check_one_keycode(prop, value):
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if value != '!' and ecodes is not None:
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key = 'KEY_' + value.upper()
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if not (key in ecodes or
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value.upper() in ecodes or
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# new keys added in kernel 5.5
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'KBD_LCD_MENU' in key):
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error('Keycode {} unknown', key)
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def check_wheel_clicks(properties):
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pairs = (('MOUSE_WHEEL_CLICK_COUNT_HORIZONTAL', 'MOUSE_WHEEL_CLICK_COUNT'),
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('MOUSE_WHEEL_CLICK_ANGLE_HORIZONTAL', 'MOUSE_WHEEL_CLICK_ANGLE'),
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('MOUSE_WHEEL_CLICK_COUNT_HORIZONTAL', 'MOUSE_WHEEL_CLICK_ANGLE_HORIZONTAL'),
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('MOUSE_WHEEL_CLICK_COUNT', 'MOUSE_WHEEL_CLICK_ANGLE'))
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for pair in pairs:
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if pair[0] in properties and pair[1] not in properties:
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error('{} requires {} to be specified', *pair)
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def check_properties(groups):
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grammar = property_grammar()
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for matches, props in groups:
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seen_props = {}
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for prop in props:
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# print('--', prop)
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prop = prop.partition('#')[0].rstrip()
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try:
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parsed = grammar.parseString(prop)
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except ParseBaseException as e:
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error('Failed to parse: {!r}', prop)
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continue
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# print('{!r}'.format(parsed))
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if parsed.NAME in seen_props:
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error('Property {} is duplicated', parsed.NAME)
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seen_props[parsed.NAME] = parsed.VALUE
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if parsed.NAME == 'MOUSE_DPI':
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check_one_default(prop, parsed.VALUE.SETTINGS)
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elif parsed.NAME == 'ACCEL_MOUNT_MATRIX':
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check_one_mount_matrix(prop, parsed.VALUE)
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elif parsed.NAME.startswith('KEYBOARD_KEY_'):
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val = parsed.VALUE if isinstance(parsed.VALUE, str) else parsed.VALUE[0]
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check_one_keycode(prop, val)
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check_wheel_clicks(seen_props)
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def print_summary(fname, groups):
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n_matches = sum(len(matches) for matches, props in groups)
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n_props = sum(len(props) for matches, props in groups)
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print('{}: {} match groups, {} matches, {} properties'
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.format(fname, len(groups), n_matches, n_props))
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if n_matches == 0 or n_props == 0:
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error('{}: no matches or props'.format(fname))
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if __name__ == '__main__':
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args = sys.argv[1:] or sorted(glob.glob(os.path.dirname(sys.argv[0]) + '/[678][0-9]-*.hwdb'))
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for fname in args:
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groups = parse(fname)
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print_summary(fname, groups)
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check_matches(groups)
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check_properties(groups)
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sys.exit(ERROR)
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