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-rw-r--r--drivers/hid/hid-asus.c1331
1 files changed, 1331 insertions, 0 deletions
diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
new file mode 100644
index 000000000..220d6b2af
--- /dev/null
+++ b/drivers/hid/hid-asus.c
@@ -0,0 +1,1331 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * HID driver for Asus notebook built-in keyboard.
+ * Fixes small logical maximum to match usage maximum.
+ *
+ * Currently supported devices are:
+ * EeeBook X205TA
+ * VivoBook E200HA
+ *
+ * Copyright (c) 2016 Yusuke Fujimaki <usk.fujimaki@gmail.com>
+ *
+ * This module based on hid-ortek by
+ * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com>
+ * Copyright (c) 2011 Jiri Kosina
+ *
+ * This module has been updated to add support for Asus i2c touchpad.
+ *
+ * Copyright (c) 2016 Brendan McGrath <redmcg@redmandi.dyndns.org>
+ * Copyright (c) 2016 Victor Vlasenko <victor.vlasenko@sysgears.com>
+ * Copyright (c) 2016 Frederik Wenigwieser <frederik.wenigwieser@gmail.com>
+ */
+
+/*
+ */
+
+#include <linux/dmi.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+#include <linux/platform_data/x86/asus-wmi.h>
+#include <linux/input/mt.h>
+#include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */
+#include <linux/power_supply.h>
+
+#include "hid-ids.h"
+
+MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>");
+MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>");
+MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>");
+MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>");
+MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
+
+#define T100_TPAD_INTF 2
+#define MEDION_E1239T_TPAD_INTF 1
+
+#define E1239T_TP_TOGGLE_REPORT_ID 0x05
+#define T100CHI_MOUSE_REPORT_ID 0x06
+#define FEATURE_REPORT_ID 0x0d
+#define INPUT_REPORT_ID 0x5d
+#define FEATURE_KBD_REPORT_ID 0x5a
+#define FEATURE_KBD_REPORT_SIZE 16
+#define FEATURE_KBD_LED_REPORT_ID1 0x5d
+#define FEATURE_KBD_LED_REPORT_ID2 0x5e
+
+#define SUPPORT_KBD_BACKLIGHT BIT(0)
+
+#define MAX_TOUCH_MAJOR 8
+#define MAX_PRESSURE 128
+
+#define BTN_LEFT_MASK 0x01
+#define CONTACT_TOOL_TYPE_MASK 0x80
+#define CONTACT_X_MSB_MASK 0xf0
+#define CONTACT_Y_MSB_MASK 0x0f
+#define CONTACT_TOUCH_MAJOR_MASK 0x07
+#define CONTACT_PRESSURE_MASK 0x7f
+
+#define BATTERY_REPORT_ID (0x03)
+#define BATTERY_REPORT_SIZE (1 + 8)
+#define BATTERY_LEVEL_MAX ((u8)255)
+#define BATTERY_STAT_DISCONNECT (0)
+#define BATTERY_STAT_CHARGING (1)
+#define BATTERY_STAT_FULL (2)
+
+#define QUIRK_FIX_NOTEBOOK_REPORT BIT(0)
+#define QUIRK_NO_INIT_REPORTS BIT(1)
+#define QUIRK_SKIP_INPUT_MAPPING BIT(2)
+#define QUIRK_IS_MULTITOUCH BIT(3)
+#define QUIRK_NO_CONSUMER_USAGES BIT(4)
+#define QUIRK_USE_KBD_BACKLIGHT BIT(5)
+#define QUIRK_T100_KEYBOARD BIT(6)
+#define QUIRK_T100CHI BIT(7)
+#define QUIRK_G752_KEYBOARD BIT(8)
+#define QUIRK_T90CHI BIT(9)
+#define QUIRK_MEDION_E1239T BIT(10)
+#define QUIRK_ROG_NKEY_KEYBOARD BIT(11)
+#define QUIRK_ROG_CLAYMORE_II_KEYBOARD BIT(12)
+
+#define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
+ QUIRK_NO_INIT_REPORTS | \
+ QUIRK_NO_CONSUMER_USAGES)
+#define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \
+ QUIRK_SKIP_INPUT_MAPPING | \
+ QUIRK_IS_MULTITOUCH)
+
+#define TRKID_SGN ((TRKID_MAX + 1) >> 1)
+
+struct asus_kbd_leds {
+ struct led_classdev cdev;
+ struct hid_device *hdev;
+ struct work_struct work;
+ unsigned int brightness;
+ spinlock_t lock;
+ bool removed;
+};
+
+struct asus_touchpad_info {
+ int max_x;
+ int max_y;
+ int res_x;
+ int res_y;
+ int contact_size;
+ int max_contacts;
+ int report_size;
+};
+
+struct asus_drvdata {
+ unsigned long quirks;
+ struct hid_device *hdev;
+ struct input_dev *input;
+ struct input_dev *tp_kbd_input;
+ struct asus_kbd_leds *kbd_backlight;
+ const struct asus_touchpad_info *tp;
+ bool enable_backlight;
+ struct power_supply *battery;
+ struct power_supply_desc battery_desc;
+ int battery_capacity;
+ int battery_stat;
+ bool battery_in_query;
+ unsigned long battery_next_query;
+};
+
+static int asus_report_battery(struct asus_drvdata *, u8 *, int);
+
+static const struct asus_touchpad_info asus_i2c_tp = {
+ .max_x = 2794,
+ .max_y = 1758,
+ .contact_size = 5,
+ .max_contacts = 5,
+ .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
+};
+
+static const struct asus_touchpad_info asus_t100ta_tp = {
+ .max_x = 2240,
+ .max_y = 1120,
+ .res_x = 30, /* units/mm */
+ .res_y = 27, /* units/mm */
+ .contact_size = 5,
+ .max_contacts = 5,
+ .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
+};
+
+static const struct asus_touchpad_info asus_t100ha_tp = {
+ .max_x = 2640,
+ .max_y = 1320,
+ .res_x = 30, /* units/mm */
+ .res_y = 29, /* units/mm */
+ .contact_size = 5,
+ .max_contacts = 5,
+ .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
+};
+
+static const struct asus_touchpad_info asus_t200ta_tp = {
+ .max_x = 3120,
+ .max_y = 1716,
+ .res_x = 30, /* units/mm */
+ .res_y = 28, /* units/mm */
+ .contact_size = 5,
+ .max_contacts = 5,
+ .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
+};
+
+static const struct asus_touchpad_info asus_t100chi_tp = {
+ .max_x = 2640,
+ .max_y = 1320,
+ .res_x = 31, /* units/mm */
+ .res_y = 29, /* units/mm */
+ .contact_size = 3,
+ .max_contacts = 4,
+ .report_size = 15 /* 2 byte header + 3 * 4 + 1 byte footer */,
+};
+
+static const struct asus_touchpad_info medion_e1239t_tp = {
+ .max_x = 2640,
+ .max_y = 1380,
+ .res_x = 29, /* units/mm */
+ .res_y = 28, /* units/mm */
+ .contact_size = 5,
+ .max_contacts = 5,
+ .report_size = 32 /* 2 byte header + 5 * 5 + 5 byte footer */,
+};
+
+static void asus_report_contact_down(struct asus_drvdata *drvdat,
+ int toolType, u8 *data)
+{
+ struct input_dev *input = drvdat->input;
+ int touch_major, pressure, x, y;
+
+ x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1];
+ y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]);
+
+ input_report_abs(input, ABS_MT_POSITION_X, x);
+ input_report_abs(input, ABS_MT_POSITION_Y, y);
+
+ if (drvdat->tp->contact_size < 5)
+ return;
+
+ if (toolType == MT_TOOL_PALM) {
+ touch_major = MAX_TOUCH_MAJOR;
+ pressure = MAX_PRESSURE;
+ } else {
+ touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK;
+ pressure = data[4] & CONTACT_PRESSURE_MASK;
+ }
+
+ input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
+ input_report_abs(input, ABS_MT_PRESSURE, pressure);
+}
+
+/* Required for Synaptics Palm Detection */
+static void asus_report_tool_width(struct asus_drvdata *drvdat)
+{
+ struct input_mt *mt = drvdat->input->mt;
+ struct input_mt_slot *oldest;
+ int oldid, i;
+
+ if (drvdat->tp->contact_size < 5)
+ return;
+
+ oldest = NULL;
+ oldid = mt->trkid;
+
+ for (i = 0; i < mt->num_slots; ++i) {
+ struct input_mt_slot *ps = &mt->slots[i];
+ int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
+
+ if (id < 0)
+ continue;
+ if ((id - oldid) & TRKID_SGN) {
+ oldest = ps;
+ oldid = id;
+ }
+ }
+
+ if (oldest) {
+ input_report_abs(drvdat->input, ABS_TOOL_WIDTH,
+ input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR));
+ }
+}
+
+static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
+{
+ int i, toolType = MT_TOOL_FINGER;
+ u8 *contactData = data + 2;
+
+ if (size != drvdat->tp->report_size)
+ return 0;
+
+ for (i = 0; i < drvdat->tp->max_contacts; i++) {
+ bool down = !!(data[1] & BIT(i+3));
+
+ if (drvdat->tp->contact_size >= 5)
+ toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ?
+ MT_TOOL_PALM : MT_TOOL_FINGER;
+
+ input_mt_slot(drvdat->input, i);
+ input_mt_report_slot_state(drvdat->input, toolType, down);
+
+ if (down) {
+ asus_report_contact_down(drvdat, toolType, contactData);
+ contactData += drvdat->tp->contact_size;
+ }
+ }
+
+ input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK);
+ asus_report_tool_width(drvdat);
+
+ input_mt_sync_frame(drvdat->input);
+ input_sync(drvdat->input);
+
+ return 1;
+}
+
+static int asus_e1239t_event(struct asus_drvdata *drvdat, u8 *data, int size)
+{
+ if (size != 3)
+ return 0;
+
+ /* Handle broken mute key which only sends press events */
+ if (!drvdat->tp &&
+ data[0] == 0x02 && data[1] == 0xe2 && data[2] == 0x00) {
+ input_report_key(drvdat->input, KEY_MUTE, 1);
+ input_sync(drvdat->input);
+ input_report_key(drvdat->input, KEY_MUTE, 0);
+ input_sync(drvdat->input);
+ return 1;
+ }
+
+ /* Handle custom touchpad toggle key which only sends press events */
+ if (drvdat->tp_kbd_input &&
+ data[0] == 0x05 && data[1] == 0x02 && data[2] == 0x28) {
+ input_report_key(drvdat->tp_kbd_input, KEY_F21, 1);
+ input_sync(drvdat->tp_kbd_input);
+ input_report_key(drvdat->tp_kbd_input, KEY_F21, 0);
+ input_sync(drvdat->tp_kbd_input);
+ return 1;
+ }
+
+ return 0;
+}
+
+static int asus_event(struct hid_device *hdev, struct hid_field *field,
+ struct hid_usage *usage, __s32 value)
+{
+ if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 &&
+ (usage->hid & HID_USAGE) != 0x00 &&
+ (usage->hid & HID_USAGE) != 0xff && !usage->type) {
+ hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n",
+ usage->hid & HID_USAGE);
+ }
+
+ return 0;
+}
+
+static int asus_raw_event(struct hid_device *hdev,
+ struct hid_report *report, u8 *data, int size)
+{
+ struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
+
+ if (drvdata->battery && data[0] == BATTERY_REPORT_ID)
+ return asus_report_battery(drvdata, data, size);
+
+ if (drvdata->tp && data[0] == INPUT_REPORT_ID)
+ return asus_report_input(drvdata, data, size);
+
+ if (drvdata->quirks & QUIRK_MEDION_E1239T)
+ return asus_e1239t_event(drvdata, data, size);
+
+ if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) {
+ /*
+ * Skip these report ID, the device emits a continuous stream associated
+ * with the AURA mode it is in which looks like an 'echo'.
+ */
+ if (report->id == FEATURE_KBD_LED_REPORT_ID1 ||
+ report->id == FEATURE_KBD_LED_REPORT_ID2) {
+ return -1;
+ /* Additional report filtering */
+ } else if (report->id == FEATURE_KBD_REPORT_ID) {
+ /*
+ * G14 and G15 send these codes on some keypresses with no
+ * discernable reason for doing so. We'll filter them out to avoid
+ * unmapped warning messages later.
+ */
+ if (data[1] == 0xea || data[1] == 0xec || data[1] == 0x02 ||
+ data[1] == 0x8a || data[1] == 0x9e) {
+ return -1;
+ }
+ }
+ if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
+ /*
+ * G713 and G733 send these codes on some keypresses, depending on
+ * the key pressed it can trigger a shutdown event if not caught.
+ */
+ if(data[0] == 0x02 && data[1] == 0x30) {
+ return -1;
+ }
+ }
+
+ }
+
+ if (drvdata->quirks & QUIRK_ROG_CLAYMORE_II_KEYBOARD) {
+ /*
+ * CLAYMORE II keyboard sends this packet when it goes to sleep
+ * this causes the whole system to go into suspend.
+ */
+
+ if(size == 2 && data[0] == 0x02 && data[1] == 0x00) {
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+static int asus_kbd_set_report(struct hid_device *hdev, const u8 *buf, size_t buf_size)
+{
+ unsigned char *dmabuf;
+ int ret;
+
+ dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
+ if (!dmabuf)
+ return -ENOMEM;
+
+ /*
+ * The report ID should be set from the incoming buffer due to LED and key
+ * interfaces having different pages
+ */
+ ret = hid_hw_raw_request(hdev, buf[0], dmabuf,
+ buf_size, HID_FEATURE_REPORT,
+ HID_REQ_SET_REPORT);
+ kfree(dmabuf);
+
+ return ret;
+}
+
+static int asus_kbd_init(struct hid_device *hdev)
+{
+ const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
+ 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
+ int ret;
+
+ ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
+ if (ret < 0)
+ hid_err(hdev, "Asus failed to send init command: %d\n", ret);
+
+ return ret;
+}
+
+static int asus_kbd_get_functions(struct hid_device *hdev,
+ unsigned char *kbd_func)
+{
+ const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 };
+ u8 *readbuf;
+ int ret;
+
+ ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
+ if (ret < 0) {
+ hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
+ return ret;
+ }
+
+ readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
+ if (!readbuf)
+ return -ENOMEM;
+
+ ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
+ FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
+ HID_REQ_GET_REPORT);
+ if (ret < 0) {
+ hid_err(hdev, "Asus failed to request functions: %d\n", ret);
+ kfree(readbuf);
+ return ret;
+ }
+
+ *kbd_func = readbuf[6];
+
+ kfree(readbuf);
+ return ret;
+}
+
+static int rog_nkey_led_init(struct hid_device *hdev)
+{
+ const u8 buf_init_start[] = { FEATURE_KBD_LED_REPORT_ID1, 0xB9 };
+ u8 buf_init2[] = { FEATURE_KBD_LED_REPORT_ID1, 0x41, 0x53, 0x55, 0x53, 0x20,
+ 0x54, 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
+ u8 buf_init3[] = { FEATURE_KBD_LED_REPORT_ID1,
+ 0x05, 0x20, 0x31, 0x00, 0x08 };
+ int ret;
+
+ hid_info(hdev, "Asus initialise N-KEY Device");
+ /* The first message is an init start */
+ ret = asus_kbd_set_report(hdev, buf_init_start, sizeof(buf_init_start));
+ if (ret < 0) {
+ hid_warn(hdev, "Asus failed to send init start command: %d\n", ret);
+ return ret;
+ }
+ /* Followed by a string */
+ ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2));
+ if (ret < 0) {
+ hid_warn(hdev, "Asus failed to send init command 1.0: %d\n", ret);
+ return ret;
+ }
+ /* Followed by a string */
+ ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3));
+ if (ret < 0) {
+ hid_warn(hdev, "Asus failed to send init command 1.1: %d\n", ret);
+ return ret;
+ }
+
+ /* begin second report ID with same data */
+ buf_init2[0] = FEATURE_KBD_LED_REPORT_ID2;
+ buf_init3[0] = FEATURE_KBD_LED_REPORT_ID2;
+
+ ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2));
+ if (ret < 0) {
+ hid_warn(hdev, "Asus failed to send init command 2.0: %d\n", ret);
+ return ret;
+ }
+ ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3));
+ if (ret < 0)
+ hid_warn(hdev, "Asus failed to send init command 2.1: %d\n", ret);
+
+ return ret;
+}
+
+static void asus_schedule_work(struct asus_kbd_leds *led)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&led->lock, flags);
+ if (!led->removed)
+ schedule_work(&led->work);
+ spin_unlock_irqrestore(&led->lock, flags);
+}
+
+static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
+ cdev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&led->lock, flags);
+ led->brightness = brightness;
+ spin_unlock_irqrestore(&led->lock, flags);
+
+ asus_schedule_work(led);
+}
+
+static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
+{
+ struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
+ cdev);
+ enum led_brightness brightness;
+ unsigned long flags;
+
+ spin_lock_irqsave(&led->lock, flags);
+ brightness = led->brightness;
+ spin_unlock_irqrestore(&led->lock, flags);
+
+ return brightness;
+}
+
+static void asus_kbd_backlight_work(struct work_struct *work)
+{
+ struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
+ u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
+ int ret;
+ unsigned long flags;
+
+ spin_lock_irqsave(&led->lock, flags);
+ buf[4] = led->brightness;
+ spin_unlock_irqrestore(&led->lock, flags);
+
+ ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
+ if (ret < 0)
+ hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
+}
+
+/* WMI-based keyboard backlight LED control (via asus-wmi driver) takes
+ * precedence. We only activate HID-based backlight control when the
+ * WMI control is not available.
+ */
+static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
+{
+ u32 value;
+ int ret;
+
+ if (!IS_ENABLED(CONFIG_ASUS_WMI))
+ return false;
+
+ ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
+ ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
+ hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
+ if (ret)
+ return false;
+
+ return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
+}
+
+static int asus_kbd_register_leds(struct hid_device *hdev)
+{
+ struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
+ unsigned char kbd_func;
+ int ret;
+
+ if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
+ ret = rog_nkey_led_init(hdev);
+ if (ret < 0)
+ return ret;
+ } else {
+ /* Initialize keyboard */
+ ret = asus_kbd_init(hdev);
+ if (ret < 0)
+ return ret;
+
+ /* Get keyboard functions */
+ ret = asus_kbd_get_functions(hdev, &kbd_func);
+ if (ret < 0)
+ return ret;
+
+ /* Check for backlight support */
+ if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
+ return -ENODEV;
+ }
+
+ drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
+ sizeof(struct asus_kbd_leds),
+ GFP_KERNEL);
+ if (!drvdata->kbd_backlight)
+ return -ENOMEM;
+
+ drvdata->kbd_backlight->removed = false;
+ drvdata->kbd_backlight->brightness = 0;
+ drvdata->kbd_backlight->hdev = hdev;
+ drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
+ drvdata->kbd_backlight->cdev.max_brightness = 3;
+ drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
+ drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
+ INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
+ spin_lock_init(&drvdata->kbd_backlight->lock);
+
+ ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
+ if (ret < 0) {
+ /* No need to have this still around */
+ devm_kfree(&hdev->dev, drvdata->kbd_backlight);
+ }
+
+ return ret;
+}
+
+/*
+ * [0] REPORT_ID (same value defined in report descriptor)
+ * [1] rest battery level. range [0..255]
+ * [2]..[7] Bluetooth hardware address (MAC address)
+ * [8] charging status
+ * = 0 : AC offline / discharging
+ * = 1 : AC online / charging
+ * = 2 : AC online / fully charged
+ */
+static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size)
+{
+ u8 sts;
+ u8 lvl;
+ int val;
+
+ lvl = data[1];
+ sts = data[8];
+
+ drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX;
+
+ switch (sts) {
+ case BATTERY_STAT_CHARGING:
+ val = POWER_SUPPLY_STATUS_CHARGING;
+ break;
+ case BATTERY_STAT_FULL:
+ val = POWER_SUPPLY_STATUS_FULL;
+ break;
+ case BATTERY_STAT_DISCONNECT:
+ default:
+ val = POWER_SUPPLY_STATUS_DISCHARGING;
+ break;
+ }
+ drvdata->battery_stat = val;
+
+ return 0;
+}
+
+static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size)
+{
+ /* notify only the autonomous event by device */
+ if ((drvdata->battery_in_query == false) &&
+ (size == BATTERY_REPORT_SIZE))
+ power_supply_changed(drvdata->battery);
+
+ return 0;
+}
+
+static int asus_battery_query(struct asus_drvdata *drvdata)
+{
+ u8 *buf;
+ int ret = 0;
+
+ buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ drvdata->battery_in_query = true;
+ ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID,
+ buf, BATTERY_REPORT_SIZE,
+ HID_INPUT_REPORT, HID_REQ_GET_REPORT);
+ drvdata->battery_in_query = false;
+ if (ret == BATTERY_REPORT_SIZE)
+ ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE);
+ else
+ ret = -ENODATA;
+
+ kfree(buf);
+
+ return ret;
+}
+
+static enum power_supply_property asus_battery_props[] = {
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_SCOPE,
+ POWER_SUPPLY_PROP_MODEL_NAME,
+};
+
+#define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */
+
+static int asus_battery_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct asus_drvdata *drvdata = power_supply_get_drvdata(psy);
+ int ret = 0;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_STATUS:
+ case POWER_SUPPLY_PROP_CAPACITY:
+ if (time_before(drvdata->battery_next_query, jiffies)) {
+ drvdata->battery_next_query =
+ jiffies + QUERY_MIN_INTERVAL;
+ ret = asus_battery_query(drvdata);
+ if (ret)
+ return ret;
+ }
+ if (psp == POWER_SUPPLY_PROP_STATUS)
+ val->intval = drvdata->battery_stat;
+ else
+ val->intval = drvdata->battery_capacity;
+ break;
+ case POWER_SUPPLY_PROP_PRESENT:
+ val->intval = 1;
+ break;
+ case POWER_SUPPLY_PROP_SCOPE:
+ val->intval = POWER_SUPPLY_SCOPE_DEVICE;
+ break;
+ case POWER_SUPPLY_PROP_MODEL_NAME:
+ val->strval = drvdata->hdev->name;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static int asus_battery_probe(struct hid_device *hdev)
+{
+ struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
+ struct power_supply_config pscfg = { .drv_data = drvdata };
+ int ret = 0;
+
+ drvdata->battery_capacity = 0;
+ drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
+ drvdata->battery_in_query = false;
+
+ drvdata->battery_desc.properties = asus_battery_props;
+ drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props);
+ drvdata->battery_desc.get_property = asus_battery_get_property;
+ drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
+ drvdata->battery_desc.use_for_apm = 0;
+ drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
+ "asus-keyboard-%s-battery",
+ strlen(hdev->uniq) ?
+ hdev->uniq : dev_name(&hdev->dev));
+ if (!drvdata->battery_desc.name)
+ return -ENOMEM;
+
+ drvdata->battery_next_query = jiffies;
+
+ drvdata->battery = devm_power_supply_register(&hdev->dev,
+ &(drvdata->battery_desc), &pscfg);
+ if (IS_ERR(drvdata->battery)) {
+ ret = PTR_ERR(drvdata->battery);
+ drvdata->battery = NULL;
+ hid_err(hdev, "Unable to register battery device\n");
+ return ret;
+ }
+
+ power_supply_powers(drvdata->battery, &hdev->dev);
+
+ return ret;
+}
+
+static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
+{
+ struct input_dev *input = hi->input;
+ struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
+
+ /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */
+ if (drvdata->quirks & QUIRK_T100CHI &&
+ hi->report->id != T100CHI_MOUSE_REPORT_ID)
+ return 0;
+
+ /* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */
+ if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) {
+ switch (hi->report->id) {
+ case E1239T_TP_TOGGLE_REPORT_ID:
+ input_set_capability(input, EV_KEY, KEY_F21);
+ input->name = "Asus Touchpad Keys";
+ drvdata->tp_kbd_input = input;
+ return 0;
+ case INPUT_REPORT_ID:
+ break; /* Touchpad report, handled below */
+ default:
+ return 0; /* Ignore other reports */
+ }
+ }
+
+ if (drvdata->tp) {
+ int ret;
+
+ input_set_abs_params(input, ABS_MT_POSITION_X, 0,
+ drvdata->tp->max_x, 0, 0);
+ input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
+ drvdata->tp->max_y, 0, 0);
+ input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
+ input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
+
+ if (drvdata->tp->contact_size >= 5) {
+ input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
+ MAX_TOUCH_MAJOR, 0, 0);
+ input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
+ MAX_TOUCH_MAJOR, 0, 0);
+ input_set_abs_params(input, ABS_MT_PRESSURE, 0,
+ MAX_PRESSURE, 0, 0);
+ }
+
+ __set_bit(BTN_LEFT, input->keybit);
+ __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
+
+ ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
+ INPUT_MT_POINTER);
+
+ if (ret) {
+ hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
+ return ret;
+ }
+ }
+
+ drvdata->input = input;
+
+ if (drvdata->enable_backlight &&
+ !asus_kbd_wmi_led_control_present(hdev) &&
+ asus_kbd_register_leds(hdev))
+ hid_warn(hdev, "Failed to initialize backlight.\n");
+
+ return 0;
+}
+
+#define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
+ max, EV_KEY, (c))
+static int asus_input_mapping(struct hid_device *hdev,
+ struct hid_input *hi, struct hid_field *field,
+ struct hid_usage *usage, unsigned long **bit,
+ int *max)
+{
+ struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
+
+ if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
+ /* Don't map anything from the HID report.
+ * We do it all manually in asus_input_configured
+ */
+ return -1;
+ }
+
+ /*
+ * Ignore a bunch of bogus collections in the T100CHI descriptor.
+ * This avoids a bunch of non-functional hid_input devices getting
+ * created because of the T100CHI using HID_QUIRK_MULTI_INPUT.
+ */
+ if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) &&
+ (field->application == (HID_UP_GENDESK | 0x0080) ||
+ field->application == HID_GD_MOUSE ||
+ usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
+ usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
+ usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)))
+ return -1;
+
+ /* ASUS-specific keyboard hotkeys and led backlight */
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) {
+ switch (usage->hid & HID_USAGE) {
+ case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
+ case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
+ case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
+ case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
+ case 0x7c: asus_map_key_clear(KEY_MICMUTE); break;
+ case 0x82: asus_map_key_clear(KEY_CAMERA); break;
+ case 0x88: asus_map_key_clear(KEY_RFKILL); break;
+ case 0xb5: asus_map_key_clear(KEY_CALC); break;
+ case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break;
+ case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break;
+
+ /* ASUS touchpad toggle */
+ case 0x6b: asus_map_key_clear(KEY_F21); break;
+
+ /* ROG key */
+ case 0x38: asus_map_key_clear(KEY_PROG1); break;
+
+ /* Fn+C ASUS Splendid */
+ case 0xba: asus_map_key_clear(KEY_PROG2); break;
+
+ /* Fn+Space Power4Gear Hybrid */
+ case 0x5c: asus_map_key_clear(KEY_PROG3); break;
+
+ /* Fn+F5 "fan" symbol on FX503VD */
+ case 0x99: asus_map_key_clear(KEY_PROG4); break;
+
+ /* Fn+F5 "fan" symbol on N-Key keyboard */
+ case 0xae: asus_map_key_clear(KEY_PROG4); break;
+
+ /* Fn+Ret "Calc" symbol on N-Key keyboard */
+ case 0x92: asus_map_key_clear(KEY_CALC); break;
+
+ /* Fn+Left Aura mode previous on N-Key keyboard */
+ case 0xb2: asus_map_key_clear(KEY_PROG2); break;
+
+ /* Fn+Right Aura mode next on N-Key keyboard */
+ case 0xb3: asus_map_key_clear(KEY_PROG3); break;
+
+ default:
+ /* ASUS lazily declares 256 usages, ignore the rest,
+ * as some make the keyboard appear as a pointer device. */
+ return -1;
+ }
+
+ /*
+ * Check and enable backlight only on devices with UsagePage ==
+ * 0xff31 to avoid initializing the keyboard firmware multiple
+ * times on devices with multiple HID descriptors but same
+ * PID/VID.
+ */
+ if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
+ drvdata->enable_backlight = true;
+
+ set_bit(EV_REP, hi->input->evbit);
+ return 1;
+ }
+
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
+ switch (usage->hid & HID_USAGE) {
+ case 0xff01: asus_map_key_clear(BTN_1); break;
+ case 0xff02: asus_map_key_clear(BTN_2); break;
+ case 0xff03: asus_map_key_clear(BTN_3); break;
+ case 0xff04: asus_map_key_clear(BTN_4); break;
+ case 0xff05: asus_map_key_clear(BTN_5); break;
+ case 0xff06: asus_map_key_clear(BTN_6); break;
+ case 0xff07: asus_map_key_clear(BTN_7); break;
+ case 0xff08: asus_map_key_clear(BTN_8); break;
+ case 0xff09: asus_map_key_clear(BTN_9); break;
+ case 0xff0a: asus_map_key_clear(BTN_A); break;
+ case 0xff0b: asus_map_key_clear(BTN_B); break;
+ case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
+ case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
+ case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
+ case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
+ case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
+ case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
+ default:
+ return 0;
+ }
+
+ set_bit(EV_REP, hi->input->evbit);
+ return 1;
+ }
+
+ if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
+ (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
+ switch (usage->hid & HID_USAGE) {
+ case 0xe2: /* Mute */
+ case 0xe9: /* Volume up */
+ case 0xea: /* Volume down */
+ return 0;
+ default:
+ /* Ignore dummy Consumer usages which make the
+ * keyboard incorrectly appear as a pointer device.
+ */
+ return -1;
+ }
+ }
+
+ /*
+ * The mute button is broken and only sends press events, we
+ * deal with this in our raw_event handler, so do not map it.
+ */
+ if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
+ usage->hid == (HID_UP_CONSUMER | 0xe2)) {
+ input_set_capability(hi->input, EV_KEY, KEY_MUTE);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int asus_start_multitouch(struct hid_device *hdev)
+{
+ int ret;
+ static const unsigned char buf[] = {
+ FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
+ };
+ unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
+
+ if (!dmabuf) {
+ ret = -ENOMEM;
+ hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
+ return ret;
+ }
+
+ ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+
+ kfree(dmabuf);
+
+ if (ret != sizeof(buf)) {
+ hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int __maybe_unused asus_resume(struct hid_device *hdev) {
+ struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
+ int ret = 0;
+
+ if (drvdata->kbd_backlight) {
+ const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4,
+ drvdata->kbd_backlight->cdev.brightness };
+ ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
+ if (ret < 0) {
+ hid_err(hdev, "Asus failed to set keyboard backlight: %d\n", ret);
+ goto asus_resume_err;
+ }
+ }
+
+asus_resume_err:
+ return ret;
+}
+
+static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
+{
+ struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
+
+ if (drvdata->tp)
+ return asus_start_multitouch(hdev);
+
+ return 0;
+}
+
+static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+ int ret;
+ struct asus_drvdata *drvdata;
+
+ drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
+ if (drvdata == NULL) {
+ hid_err(hdev, "Can't alloc Asus descriptor\n");
+ return -ENOMEM;
+ }
+
+ hid_set_drvdata(hdev, drvdata);
+
+ drvdata->quirks = id->driver_data;
+
+ /*
+ * T90CHI's keyboard dock returns same ID values as T100CHI's dock.
+ * Thus, identify T90CHI dock with product name string.
+ */
+ if (strstr(hdev->name, "T90CHI")) {
+ drvdata->quirks &= ~QUIRK_T100CHI;
+ drvdata->quirks |= QUIRK_T90CHI;
+ }
+
+ if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
+ drvdata->tp = &asus_i2c_tp;
+
+ if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) {
+ struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+
+ if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
+ drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
+ /*
+ * The T100HA uses the same USB-ids as the T100TAF and
+ * the T200TA uses the same USB-ids as the T100TA, while
+ * both have different max x/y values as the T100TA[F].
+ */
+ if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
+ drvdata->tp = &asus_t100ha_tp;
+ else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
+ drvdata->tp = &asus_t200ta_tp;
+ else
+ drvdata->tp = &asus_t100ta_tp;
+ }
+ }
+
+ if (drvdata->quirks & QUIRK_T100CHI) {
+ /*
+ * All functionality is on a single HID interface and for
+ * userspace the touchpad must be a separate input_dev.
+ */
+ hdev->quirks |= HID_QUIRK_MULTI_INPUT;
+ drvdata->tp = &asus_t100chi_tp;
+ }
+
+ if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) {
+ struct usb_host_interface *alt =
+ to_usb_interface(hdev->dev.parent)->altsetting;
+
+ if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) {
+ /* For separate input-devs for tp and tp toggle key */
+ hdev->quirks |= HID_QUIRK_MULTI_INPUT;
+ drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING;
+ drvdata->tp = &medion_e1239t_tp;
+ }
+ }
+
+ if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
+ hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
+
+ drvdata->hdev = hdev;
+
+ if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
+ ret = asus_battery_probe(hdev);
+ if (ret) {
+ hid_err(hdev,
+ "Asus hid battery_probe failed: %d\n", ret);
+ return ret;
+ }
+ }
+
+ ret = hid_parse(hdev);
+ if (ret) {
+ hid_err(hdev, "Asus hid parse failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+ if (ret) {
+ hid_err(hdev, "Asus hw start failed: %d\n", ret);
+ return ret;
+ }
+
+ if (!drvdata->input) {
+ hid_err(hdev, "Asus input not registered\n");
+ ret = -ENOMEM;
+ goto err_stop_hw;
+ }
+
+ if (drvdata->tp) {
+ drvdata->input->name = "Asus TouchPad";
+ } else {
+ drvdata->input->name = "Asus Keyboard";
+ }
+
+ if (drvdata->tp) {
+ ret = asus_start_multitouch(hdev);
+ if (ret)
+ goto err_stop_hw;
+ }
+
+ return 0;
+err_stop_hw:
+ hid_hw_stop(hdev);
+ return ret;
+}
+
+static void asus_remove(struct hid_device *hdev)
+{
+ struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
+ unsigned long flags;
+
+ if (drvdata->kbd_backlight) {
+ spin_lock_irqsave(&drvdata->kbd_backlight->lock, flags);
+ drvdata->kbd_backlight->removed = true;
+ spin_unlock_irqrestore(&drvdata->kbd_backlight->lock, flags);
+
+ cancel_work_sync(&drvdata->kbd_backlight->work);
+ }
+
+ hid_hw_stop(hdev);
+}
+
+static const __u8 asus_g752_fixed_rdesc[] = {
+ 0x19, 0x00, /* Usage Minimum (0x00) */
+ 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */
+};
+
+static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int *rsize)
+{
+ struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
+
+ if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
+ *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
+ hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
+ rdesc[55] = 0xdd;
+ }
+ /* For the T100TA/T200TA keyboard dock */
+ if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
+ (*rsize == 76 || *rsize == 101) &&
+ rdesc[73] == 0x81 && rdesc[74] == 0x01) {
+ hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
+ rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
+ }
+ /* For the T100CHI/T90CHI keyboard dock */
+ if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
+ int rsize_orig;
+ int offs;
+
+ if (drvdata->quirks & QUIRK_T100CHI) {
+ rsize_orig = 403;
+ offs = 388;
+ } else {
+ rsize_orig = 306;
+ offs = 291;
+ }
+
+ /*
+ * Change Usage (76h) to Usage Minimum (00h), Usage Maximum
+ * (FFh) and clear the flags in the Input() byte.
+ * Note the descriptor has a bogus 0 byte at the end so we
+ * only need 1 extra byte.
+ */
+ if (*rsize == rsize_orig &&
+ rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
+ *rsize = rsize_orig + 1;
+ rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
+ if (!rdesc)
+ return NULL;
+
+ hid_info(hdev, "Fixing up %s keyb report descriptor\n",
+ drvdata->quirks & QUIRK_T100CHI ?
+ "T100CHI" : "T90CHI");
+ memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
+ rdesc[offs] = 0x19;
+ rdesc[offs + 1] = 0x00;
+ rdesc[offs + 2] = 0x29;
+ rdesc[offs + 3] = 0xff;
+ rdesc[offs + 14] = 0x00;
+ }
+ }
+
+ if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
+ *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
+ /* report is missing usage mninum and maximum */
+ __u8 *new_rdesc;
+ size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
+
+ new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
+ if (new_rdesc == NULL)
+ return rdesc;
+
+ hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
+ /* copy the valid part */
+ memcpy(new_rdesc, rdesc, 61);
+ /* insert missing part */
+ memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
+ /* copy remaining data */
+ memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
+
+ *rsize = new_size;
+ rdesc = new_rdesc;
+ }
+
+ if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD &&
+ *rsize == 331 && rdesc[190] == 0x85 && rdesc[191] == 0x5a &&
+ rdesc[204] == 0x95 && rdesc[205] == 0x05) {
+ hid_info(hdev, "Fixing up Asus N-KEY keyb report descriptor\n");
+ rdesc[205] = 0x01;
+ }
+
+ return rdesc;
+}
+
+static const struct hid_device_id asus_devices[] = {
+ { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
+ { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
+ QUIRK_USE_KBD_BACKLIGHT },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD),
+ QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
+ QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD),
+ QUIRK_ROG_CLAYMORE_II_KEYBOARD },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
+ QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD),
+ QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
+ { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T),
+ QUIRK_MEDION_E1239T },
+ /*
+ * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard
+ * part, while letting hid-multitouch.c handle the touchpad.
+ */
+ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+ USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, asus_devices);
+
+static struct hid_driver asus_driver = {
+ .name = "asus",
+ .id_table = asus_devices,
+ .report_fixup = asus_report_fixup,
+ .probe = asus_probe,
+ .remove = asus_remove,
+ .input_mapping = asus_input_mapping,
+ .input_configured = asus_input_configured,
+#ifdef CONFIG_PM
+ .reset_resume = asus_reset_resume,
+ .resume = asus_resume,
+#endif
+ .event = asus_event,
+ .raw_event = asus_raw_event
+};
+module_hid_driver(asus_driver);
+
+MODULE_LICENSE("GPL");