[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/hid/hid-asus.c b/src/kernel/linux/v4.14/drivers/hid/hid-asus.c
new file mode 100644
index 0000000..50c294b
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/hid/hid-asus.c
@@ -0,0 +1,752 @@
+/*
+ * 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>
+ */
+
+/*
+ * 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/hid.h>
+#include <linux/module.h>
+#include <linux/input/mt.h>
+#include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */
+
+#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 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 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 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 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;
+ bool removed;
+};
+
+struct asus_touchpad_info {
+ int max_x;
+ int max_y;
+ int res_x;
+ int res_y;
+ int contact_size;
+ int max_contacts;
+};
+
+struct asus_drvdata {
+ unsigned long quirks;
+ struct input_dev *input;
+ struct asus_kbd_leds *kbd_backlight;
+ const struct asus_touchpad_info *tp;
+ bool enable_backlight;
+};
+
+static const struct asus_touchpad_info asus_i2c_tp = {
+ .max_x = 2794,
+ .max_y = 1758,
+ .contact_size = 5,
+ .max_contacts = 5,
+};
+
+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,
+};
+
+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,
+};
+
+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, count, i;
+
+ if (drvdat->tp->contact_size < 5)
+ return;
+
+ oldest = NULL;
+ oldid = mt->trkid;
+ count = 0;
+
+ 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;
+ }
+ count++;
+ }
+
+ 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 != 3 + drvdat->tp->contact_size * drvdat->tp->max_contacts)
+ 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_raw_event(struct hid_device *hdev,
+ struct hid_report *report, u8 *data, int size)
+{
+ struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
+
+ if (drvdata->tp && data[0] == INPUT_REPORT_ID)
+ return asus_report_input(drvdata, data, size);
+
+ return 0;
+}
+
+static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size)
+{
+ unsigned char *dmabuf;
+ int ret;
+
+ dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
+ if (!dmabuf)
+ return -ENOMEM;
+
+ ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, dmabuf,
+ buf_size, HID_FEATURE_REPORT,
+ HID_REQ_SET_REPORT);
+ kfree(dmabuf);
+
+ return ret;
+}
+
+static int asus_kbd_init(struct hid_device *hdev)
+{
+ 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)
+{
+ 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 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);
+ if (led->brightness == brightness)
+ return;
+
+ led->brightness = brightness;
+ schedule_work(&led->work);
+}
+
+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);
+
+ return led->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;
+
+ if (led->removed)
+ return;
+
+ buf[4] = led->brightness;
+
+ 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);
+}
+
+static int asus_kbd_register_leds(struct hid_device *hdev)
+{
+ struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
+ unsigned char kbd_func;
+ int ret;
+
+ /* 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);
+
+ 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;
+}
+
+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;
+
+ 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_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) {
+ if (field->application == (HID_UP_GENDESK | 0x0080) ||
+ usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
+ usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
+ usage->hid == (HID_UP_GENDEVCTRLS | 0x0026))
+ return -1;
+ /*
+ * We use the hid_input for the mouse report for the touchpad,
+ * keep the left button, to avoid the core removing it.
+ */
+ if (field->application == HID_GD_MOUSE &&
+ usage->hid != (HID_UP_BUTTON | 1))
+ return -1;
+ }
+
+ /* ASUS-specific keyboard hotkeys */
+ if ((usage->hid & HID_USAGE_PAGE) == 0xff310000) {
+ set_bit(EV_REP, hi->input->evbit);
+ 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 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;
+
+ 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;
+
+ return 1;
+ }
+
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
+ set_bit(EV_REP, hi->input->evbit);
+ 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;
+ }
+
+ 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;
+ }
+ }
+
+ return 0;
+}
+
+static int asus_start_multitouch(struct hid_device *hdev)
+{
+ int ret;
+ 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_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;
+
+ if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
+ drvdata->tp = &asus_i2c_tp;
+
+ if (drvdata->quirks & QUIRK_T100_KEYBOARD) {
+ struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+
+ if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
+ drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
+ 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 |
+ HID_QUIRK_NO_EMPTY_INPUT;
+ drvdata->tp = &asus_t100chi_tp;
+ }
+
+ if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
+ hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
+
+ 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);
+
+ if (drvdata->kbd_backlight) {
+ drvdata->kbd_backlight->removed = true;
+ cancel_work_sync(&drvdata->kbd_backlight->work);
+ }
+
+ hid_hw_stop(hdev);
+}
+
+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 keyboard dock */
+ if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
+ *rsize == 76 && 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 keyboard dock */
+ if (drvdata->quirks & QUIRK_T100CHI &&
+ *rsize == 403 && rdesc[388] == 0x09 && rdesc[389] == 0x76) {
+ /*
+ * 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.
+ */
+ *rsize = 404;
+ rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
+ if (!rdesc)
+ return NULL;
+
+ hid_info(hdev, "Fixing up T100CHI keyb report descriptor\n");
+ memmove(rdesc + 392, rdesc + 390, 12);
+ rdesc[388] = 0x19;
+ rdesc[389] = 0x00;
+ rdesc[390] = 0x29;
+ rdesc[391] = 0xff;
+ rdesc[402] = 0x00;
+ }
+
+ 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) },
+ { 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_T100_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 },
+
+ { }
+};
+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,
+#endif
+ .raw_event = asus_raw_event
+};
+module_hid_driver(asus_driver);
+
+MODULE_LICENSE("GPL");