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Date: Mon, 12 Dec 2016 20:42:58 +0800
From: Chris Chiu <chiu@...lessm.com>
To: Jiri Kosina <jikos@...nel.org>,
Benjamin Tissoires <benjamin.tissoires@...hat.com>,
linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Cc: linux@...lessm.com, Chris Chiu <chiu@...lessm.com>
Subject: [PATCH] HID: add Asus macrokey support for Asus "Republic of Gamers" laptop
ROG means ASUS "Republic of Gamers" laptops. The input device info
also represents itself as "ASASTeK COMPUTER INC. ROG MacroKey". It
uses special HID_USAGE code for function keys. This commit remap the
special code to standard keycode for function keys handling. It's
verified on GL553VD/VE, GL753VD/VE.
Signed-off-by: Chris Chiu <chiu@...lessm.com>
Reported-by: Yukai Li <yukaili@...il.com>
---
drivers/hid/Kconfig | 11 +++++++
drivers/hid/Makefile | 1 +
drivers/hid/hid-asus-rog.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++
drivers/hid/hid-ids.h | 2 ++
include/linux/hid.h | 1 +
5 files changed, 95 insertions(+)
create mode 100644 drivers/hid/hid-asus-rog.c
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 78ac481..925aa7b 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -144,6 +144,17 @@ config HID_ASUS
- EeeBook X205TA
- VivoBook E200HA
+config HID_ASUS_GAMING_NB_KBD
+ tristate "ASUS special macrokey device for Republic of Gamers laptop"
+ depends on HID
+ ---help---
+ Support for ASUS special macrokey devices on Republic of Gamers latops
+ that are not fully compliant with HID standard
+
+ Say Y if you want support for the non-compliant features of the Asus
+ Republic of Gamers laptop keyboards, e.g:
+ - Asus Notebook GL553VD/GL553VE/GL753VD/GL753VE
+
config HID_AUREAL
tristate "Aureal"
depends on HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index fc4b2aa..f15479a 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_HID_ACRUX) += hid-axff.o
obj-$(CONFIG_HID_APPLE) += hid-apple.o
obj-$(CONFIG_HID_APPLEIR) += hid-appleir.o
obj-$(CONFIG_HID_ASUS) += hid-asus.o
+obj-$(CONFIG_HID_ASUS_GAMING_NB_KBD) += hid-asus-rog.o
obj-$(CONFIG_HID_AUREAL) += hid-aureal.o
obj-$(CONFIG_HID_BELKIN) += hid-belkin.o
obj-$(CONFIG_HID_BETOP_FF) += hid-betopff.o
diff --git a/drivers/hid/hid-asus-rog.c b/drivers/hid/hid-asus-rog.c
new file mode 100644
index 0000000..a33a693
--- /dev/null
+++ b/drivers/hid/hid-asus-rog.c
@@ -0,0 +1,80 @@
+/*
+ * HID driver for some Asus Gaming model equipped with "special" macrokey
+ * devices for hotkey handling
+ *
+ * Currently supported devices are:
+ * ASUS laptops for "Republic of Gamers"
+ * GL553VD/GL553VE
+ * GL753VD/GL753VE
+ *
+ * Copyright (c) 2016 Chris Chiu <chiu@...lessm.com>
+ *
+ * This module based on hid-gyration
+ *
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/input.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+#define asus_rog_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
+ max, EV_KEY, (c))
+static int asus_rog_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+ struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ if ((usage->hid & HID_USAGE_PAGE) != HID_UP_ASUS_ROG_HOTKEY)
+ return 0;
+
+ set_bit(EV_REP, hi->input->evbit);
+ switch (usage->hid & HID_USAGE) {
+ /* Reported on ASUS Gaming model (Republic of Gamers) keyboards */
+ case 0x6c: asus_rog_map_key_clear(KEY_SLEEP); break;
+ case 0x88: asus_rog_map_key_clear(KEY_WLAN); break;
+ case 0xc5: asus_rog_map_key_clear(KEY_KBDILLUMDOWN); break;
+ case 0xc4: asus_rog_map_key_clear(KEY_KBDILLUMUP); break;
+ case 0x10: asus_rog_map_key_clear(KEY_BRIGHTNESSDOWN); break;
+ case 0x20: asus_rog_map_key_clear(KEY_BRIGHTNESSUP); break;
+ case 0x35: asus_rog_map_key_clear(KEY_DISPLAY_OFF); break;
+ // KEY_F21 is for ASUS touchpad toggle
+ case 0x6b: asus_rog_map_key_clear(KEY_F21); break;
+ case 0x82: asus_rog_map_key_clear(KEY_CAMERA); break;
+ case 0xb5: asus_rog_map_key_clear(KEY_CALC); break;
+ // KEY_PROG1 for ROG key
+ case 0x38: asus_rog_map_key_clear(KEY_PROG1); break;
+ // KEY_PROG2 for Fn+C ASUS Splendid
+ case 0xba: asus_rog_map_key_clear(KEY_PROG2); break;
+ // KEY_PROG3 for Fn+Space Power4Gear Hybrid, may not be present
+ case 0x5c: asus_rog_map_key_clear(KEY_PROG3); break;
+
+ default:
+ return 0;
+ }
+ return 1;
+}
+
+static const struct hid_device_id asus_rog_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_MACROKEY1) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_MACROKEY2) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, asus_rog_devices);
+
+static struct hid_driver asus_rog_driver = {
+ .name = "asus-rog",
+ .id_table = asus_rog_devices,
+ .input_mapping = asus_rog_input_mapping,
+};
+module_hid_driver(asus_rog_driver);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 4ed9a4f..5c60aee 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -168,6 +168,8 @@
#define USB_DEVICE_ID_ASUSTEK_LCM 0x1726
#define USB_DEVICE_ID_ASUSTEK_LCM2 0x175b
#define USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD 0x8585
+#define USB_DEVICE_ID_ASUSTEK_ROG_MACROKEY1 0x1854
+#define USB_DEVICE_ID_ASUSTEK_ROG_MACROKEY2 0x1837
#define USB_VENDOR_ID_ATEN 0x0557
#define USB_DEVICE_ID_ATEN_UC100KM 0x2004
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 75b66ec..a6ccadb 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -170,6 +170,7 @@ struct hid_item {
#define HID_UP_LOGIVENDOR 0xffbc0000
#define HID_UP_LOGIVENDOR2 0xff090000
#define HID_UP_LOGIVENDOR3 0xff430000
+#define HID_UP_ASUS_ROG_HOTKEY 0xff310000
#define HID_UP_LNVENDOR 0xffa00000
#define HID_UP_SENSOR 0x00200000
--
2.1.4
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