Add Logitech receivers and devices to hwdb and add uaccess

This adds support for Logitech USB receivers and Bluetooth devices to be
accessed by users at the console, so that they can use an application
like Solaar out-of-the-box.

hwdb.d/70-input-devices.hwdb

@@ -0,0 +1,27 @@
+# This file is part of systemd.
+#
+# Database for input devices that need hidraw access for all the features to work.
+#
+# This currently only covers Logitech receivers (Bolt, Unifying, etc.) and Bluetooth
+# Logitech devices.
+#
+# To add local entries, copy this file to
+#   /etc/udev/hwdb.d/
+# and add your rules there. To load the new rules execute (as root):
+#   systemd-hwdb update
+#   udevadm trigger
+
+################
+# Logitech
+################
+# USB-connected Logitech receivers and devices
+usb:v046d*
+ ID_INPUT_DEVICE_NEEDS_RAW=1
+
+# Lenovo Nano Receiver
+usb:v17efp6042*
+ ID_INPUT_RECEIVER_NEEDS_RAW=1
+
+# Bluetooth-connected Logitech devices
+bluetooth:v046d*
+ ID_INPUT_RECEIVER_NEEDS_RAW=1

hwdb.d/meson.build

@@ -29,6 +29,7 @@ hwdb_files_test = files(
         '70-analyzers.hwdb',
         '70-av-production.hwdb',
         '70-cameras.hwdb',
+        '70-input-devices.hwdb',
         '70-joystick.hwdb',
         '70-mouse.hwdb',
         '70-pda.hwdb',

hwdb.d/parse_hwdb.py

@@ -140,6 +140,7 @@ def property_grammar():
              ('ID_PDA', Or((Literal('0'), Literal('1')))),
              ('ID_INPUT', Or((Literal('0'), Literal('1')))),
              ('ID_INPUT_ACCELEROMETER', Or((Literal('0'), Literal('1')))),
+             ('ID_INPUT_DEVICE_NEEDS_RAW', Or((Literal('0'), Literal('1')))),
              ('ID_INPUT_JOYSTICK', Or((Literal('0'), Literal('1')))),
              ('ID_INPUT_KEY', Or((Literal('0'), Literal('1')))),
              ('ID_INPUT_KEYBOARD', Or((Literal('0'), Literal('1')))),

src/login/70-uaccess.rules.in

@@ -91,6 +91,9 @@ KERNEL=="rfkill", SUBSYSTEM=="misc", TAG+="uaccess"
 # Most of these devices use HID for the knobs, faders, buttons, encoders, and jog wheels.
 SUBSYSTEM=="hidraw", ENV{ID_AV_PRODUCTION_CONTROLLER}=="1", TAG+="uaccess"
 
+# Input devices that require HID access for full feature support
+SUBSYSTEM=="hidraw", ENV{ID_INPUT_DEVICE_NEEDS_RAW}=="1", TAG+="uaccess"
+
 # Some devices use vendor defined protocols on USB Bulk endpoints for controllers.
 # Other devices transfer graphics to screens on the device through USB Bulk endpoints.
 # This also allows accessing HID devices with the libusb backend of hidapi.