power: Add script to generate udev rules for autosuspend
The script is part of the effort to replace laptop-mode-tools (LMT). It
generates udev rules to enable/disable autosuspend for certain devices.
The device list is derived from the CrOS configuration file for USB
autosuspend of LMT.
BUG=chromium:214886, chromium:686168, chromium:682578
TEST=see CL:434906
Change-Id: Ie36a4d1b348f64a029b2657f8e118573c61247e1
Previous-Reviewed-on: https://chromium-review.googlesource.com/435618
(cherry picked from commit 0002ecb756a755ea87f16bb112bf4b0ab58b14a0)
Reviewed-on: https://chromium-review.googlesource.com/442725
Reviewed-by: Dan Erat <derat@chromium.org>
Commit-Queue: Matthias Kaehlcke <mka@chromium.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
diff --git a/power_manager/udev/gen_autosuspend_rules.py b/power_manager/udev/gen_autosuspend_rules.py
new file mode 100755
index 0000000..9734561
--- /dev/null
+++ b/power_manager/udev/gen_autosuspend_rules.py
@@ -0,0 +1,208 @@
+#!/usr/bin/python2
+
+# Copyright 2017 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# This script is executed at build time to generate udev rules. The
+# resulting rules file is installed on the device, the script itself
+# is not.
+
+from __future__ import print_function
+import string
+
+# List of USB devices (vendorid:productid) for which it is safe to enable
+# autosuspend.
+USB_IDS = []
+
+# Host Controllers and internal hubs
+USB_IDS += [
+ # Linux Host Controller (UHCI) (most older x86 boards)
+ "1d6b:0001",
+ # Linux Host Controller (EHCI) (all boards)
+ "1d6b:0002",
+ # Linux Host Controller (XHCI) (most newer boards)
+ "1d6b:0003",
+ # SMSC (Internal HSIC Hub) (most Exynos boards)
+ "0424:3503",
+ # Intel (Rate Matching Hub) (all x86 boards)
+ "05e3:0610",
+ # Intel (Internal Hub?) (peppy, falco)
+ "8087:0024",
+ # Genesys Logic (Internal Hub) (rambi)
+ "8087:8000",
+]
+
+# Webcams
+USB_IDS += [
+ # Chicony (zgb)
+ "04f2:b1d8",
+ # Chicony (mario)
+ "04f2:b262",
+ # Chicony (stout)
+ "04f2:b2fe",
+ # Chicony (butterfly)
+ "04f2:b35f",
+ # Chicony (rambi)
+ "04f2:b443",
+ # Chicony (glados)
+ "04f2:b552",
+ # LiteOn (spring)
+ "058f:b001",
+ # Foxlink? (butterfly)
+ "05c8:0351",
+ # Foxlink? (butterfly)
+ "05c8:0355",
+ # Cheng Uei? (falco)
+ "05c8:036e",
+ # SuYin (parrot)
+ "064e:d251",
+ # Realtek (falco)
+ "0bda:571c",
+ # Sunplus (parrot)
+ "1bcf:2c17",
+ # (C-13HDO10B39N) (alex)
+ "2232:1013",
+ # (C-10HDP11538N) (lumpy)
+ "2232:1017",
+ # (Namuga) (link)
+ "2232:1033",
+ # (C-03FFM12339N) (daisy)
+ "2232:1037",
+ # (C-10HDO13531N) (peach)
+ "2232:1056",
+ # (NCM-G102) (samus)
+ "2232:6001",
+ # Acer (stout)
+ "5986:0299",
+]
+
+# Bluetooth Host Controller
+USB_IDS += [
+ # Hon-hai (parrot)
+ "0489:e04e",
+ # Hon-hai (peppy)
+ "0489:e056",
+ # LiteOn (parrot)
+ "04ca:3006",
+ # Atheros (stumpy, stout)
+ "0cf3:3004",
+ # Atheros (AR3011) (mario, alex, zgb)
+ "0cf3:3005",
+ # Atheros (stumyp)
+ "0cf3:3007",
+ # Atheros (butterfly)
+ "0cf3:311e",
+ # Marvell (rambi)
+ "1286:2046",
+ # Marvell (gru)
+ "1286:204e",
+ # Intel (rambi, samus)
+ "8087:07dc",
+ # Intel (strago, glados)
+ "8087:0a2a",
+]
+
+# WWAN (3G/LTE)
+USB_IDS += [
+ # Samsung (Y3300) (alex, lumpy)
+ "04e8:6872",
+ # Samsung (Y3400) (alex, lumpy)
+ "04e8:6906",
+ # Qualcomm (Gobi 2000) (zgb)
+ "05c6:9214",
+ # Qualcomm (Gobi 2000) (zgb)
+ "05c6:9215",
+ # Qualcomm (Gobi 2000) (alex)
+ "05c6:9244",
+ # Qualcomm (Gobi 2000) (alex)
+ "05c6:9245",
+ # GCT (WiMax) (daisy)
+ "1076:7e0*",
+ # GCT (WiMax) (daisy)
+ "1076:7f0*",
+ # Sierra (Gobi 3000 MC8355) (stout)
+ "1199:9012",
+ # Sierra (Gobi 3000 MC8355) (stout)
+ "1199:9013",
+ # Huawei (ME936) (kip, nyan_blaze)
+ "12d1:15bb",
+ # Novatel (Gobi 3000) (link)
+ "1410:9010",
+ # Novatel (Gobi 2000) (mario)
+ "1410:a010",
+ # Novatel (Gobi 2000) (mario)
+ "1410:a014",
+ # Novatel (Gobi 3000) (alex, lumpy)
+ "1410:a020",
+ # Novatel (Gobi 3000 E396) (alex, lumpy, daisy)
+ "1410:a021",
+ # Novatel (Gobi 3000 E396U) (daisy)
+ "1410:a023",
+ # Altair (LTE) (spring)
+ "216f:0047",
+]
+
+# Mass Storage
+USB_IDS += [
+ # Genesys (SD card reader) (lumpy, link, peppy)
+ "05e3:0727",
+ # Realtek (SD card reader) (mario, alex)
+ "0bda:0138",
+ # Realtek (SD card reader) (falco)
+ "0bda:0177",
+]
+
+# Security Key
+USB_IDS += [
+ # Yubico.com
+ "1050:0211",
+ # Yubico.com (HID firmware)
+ "1050:0200",
+ # Google Cr50 (HID)
+ "18d1:5014",
+]
+
+################################################################################
+
+UDEV_RULE_HEAD = """\
+ACTION!="add", GOTO="autosuspend_end"
+SUBSYSTEM!="i2c|usb", GOTO="autosuspend_end"
+
+SUBSYSTEM=="i2c", GOTO="autosuspend_i2c"
+SUBSYSTEM=="usb", GOTO="autosuspend_usb"
+
+# i2c rules
+LABEL="autosuspend_i2c"
+ATTR{name}=="cyapa", ATTR{power/control}="on", GOTO="autosuspend_end"
+GOTO="autosuspend_end"
+
+# USB rules
+LABEL="autosuspend_usb"\
+"""
+
+UDEV_RULE_TAIL = """\
+GOTO="autosuspend_end"
+
+# Enable autosuspend
+LABEL="autosuspend_enable"
+TEST=="power/control", ATTR{power/control}="auto", GOTO="autosuspend_end"
+
+LABEL="autosuspend_end"
+"""
+
+
+def main():
+ print(UDEV_RULE_HEAD)
+
+ for dev_ids in USB_IDS:
+ vid, pid = dev_ids.split(':')
+
+ print('ATTR{idVendor}=="%s", ATTR{idProduct}=="%s"'
+ 'GOTO="autosuspend_enable"' % (vid, pid))
+
+ print(UDEV_RULE_TAIL)
+
+
+if __name__ == '__main__':
+ main()
