--- /dev/null
+What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/press_to_select
+Date: July 2011
+Contact: linux-input@vger.kernel.org
+Description: This controls if mouse clicks should be generated if the trackpoint is quickly pressed. How fast this press has to be
+ is being controlled by press_speed.
+ Values are 0 or 1.
+
+What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/dragging
+Date: July 2011
+Contact: linux-input@vger.kernel.org
+Description: If this setting is enabled, it is possible to do dragging by pressing the trackpoint. This requires press_to_select to be enabled.
+ Values are 0 or 1.
+
+What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/release_to_select
+Date: July 2011
+Contact: linux-input@vger.kernel.org
+Description: For details regarding this setting please refer to http://www.pc.ibm.com/ww/healthycomputing/trkpntb.html
+ Values are 0 or 1.
+
+What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/select_right
+Date: July 2011
+Contact: linux-input@vger.kernel.org
+Description: This setting controls if the mouse click events generated by pressing the trackpoint (if press_to_select is enabled) generate
+ a left or right mouse button click.
+ Values are 0 or 1.
+
+What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/sensitivity
+Date: July 2011
+Contact: linux-input@vger.kernel.org
+Description: This file contains the trackpoint sensitivity.
+ Values are decimal integers from 1 (lowest sensitivity) to 255 (highest sensitivity).
+
+What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/press_speed
+Date: July 2011
+Contact: linux-input@vger.kernel.org
+Description: This setting controls how fast the trackpoint needs to be pressed to generate a mouse click if press_to_select is enabled.
+ Values are decimal integers from 1 (slowest) to 255 (fastest).
+
+++ /dev/null
-What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/press_to_select
-Date: July 2011
-Contact: linux-input@vger.kernel.org
-Description: This controls if mouse clicks should be generated if the trackpoint is quickly pressed. How fast this press has to be
- is being controlled by press_speed.
- Values are 0 or 1.
-
-What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/dragging
-Date: July 2011
-Contact: linux-input@vger.kernel.org
-Description: If this setting is enabled, it is possible to do dragging by pressing the trackpoint. This requires press_to_select to be enabled.
- Values are 0 or 1.
-
-What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/release_to_select
-Date: July 2011
-Contact: linux-input@vger.kernel.org
-Description: For details regarding this setting please refer to http://www.pc.ibm.com/ww/healthycomputing/trkpntb.html
- Values are 0 or 1.
-
-What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/select_right
-Date: July 2011
-Contact: linux-input@vger.kernel.org
-Description: This setting controls if the mouse click events generated by pressing the trackpoint (if press_to_select is enabled) generate
- a left or right mouse button click.
- Values are 0 or 1.
-
-What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/sensitivity
-Date: July 2011
-Contact: linux-input@vger.kernel.org
-Description: This file contains the trackpoint sensitivity.
- Values are decimal integers from 1 (lowest sensitivity) to 255 (highest sensitivity).
-
-What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/press_speed
-Date: July 2011
-Contact: linux-input@vger.kernel.org
-Description: This setting controls how fast the trackpoint needs to be pressed to generate a mouse click if press_to_select is enabled.
- Values are decimal integers from 1 (slowest) to 255 (fastest).
-
---help---
Support for LC-Power RC1000MCE RF remote control.
-config HID_LENOVO_TPKBD
- tristate "Lenovo ThinkPad USB Keyboard with TrackPoint"
+config HID_LENOVO
+ tristate "Lenovo / Thinkpad devices"
depends on HID
select NEW_LEDS
select LEDS_CLASS
---help---
- Support for the Lenovo ThinkPad USB Keyboard with TrackPoint.
+ Support for Lenovo devices that are not fully compliant with HID standard.
- Say Y here if you have a Lenovo ThinkPad USB Keyboard with TrackPoint
- and would like to use device-specific features like changing the
- sensitivity of the trackpoint, using the microphone mute button or
- controlling the mute and microphone mute LEDs.
+ Say Y if you want support for the non-compliant features of the Lenovo
+ Thinkpad standalone keyboards, e.g:
+ - ThinkPad USB Keyboard with TrackPoint (supports extra LEDs and trackpoint
+ configuration)
config HID_LOGITECH
tristate "Logitech devices" if EXPERT
obj-$(CONFIG_HID_KEYTOUCH) += hid-keytouch.o
obj-$(CONFIG_HID_KYE) += hid-kye.o
obj-$(CONFIG_HID_LCPOWER) += hid-lcpower.o
-obj-$(CONFIG_HID_LENOVO_TPKBD) += hid-lenovo-tpkbd.o
+obj-$(CONFIG_HID_LENOVO) += hid-lenovo.o
obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o
obj-$(CONFIG_HID_LOGITECH_DJ) += hid-logitech-dj.o
obj-$(CONFIG_HID_MAGICMOUSE) += hid-magicmouse.o
{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
-#if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD)
+#if IS_ENABLED(CONFIG_HID_LENOVO)
{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
#endif
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
+++ /dev/null
-/*
- * HID driver for Lenovo ThinkPad USB Keyboard with TrackPoint
- *
- * Copyright (c) 2012 Bernhard Seibold
- */
-
-/*
- * 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/module.h>
-#include <linux/sysfs.h>
-#include <linux/device.h>
-#include <linux/hid.h>
-#include <linux/input.h>
-#include <linux/leds.h>
-
-#include "hid-ids.h"
-
-/* This is only used for the trackpoint part of the driver, hence _tp */
-struct tpkbd_data_pointer {
- int led_state;
- struct led_classdev led_mute;
- struct led_classdev led_micmute;
- int press_to_select;
- int dragging;
- int release_to_select;
- int select_right;
- int sensitivity;
- int press_speed;
-};
-
-#define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
-
-static int tpkbd_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_UP_BUTTON | 0x0010)) {
- /* mark the device as pointer */
- hid_set_drvdata(hdev, (void *)1);
- map_key_clear(KEY_MICMUTE);
- return 1;
- }
- return 0;
-}
-
-#undef map_key_clear
-
-static int tpkbd_features_set(struct hid_device *hdev)
-{
- struct hid_report *report;
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
-
- report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4];
-
- report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02;
- report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08;
- report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20;
- report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40;
- report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver
- report->field[2]->value[0] = data_pointer->sensitivity;
- report->field[3]->value[0] = data_pointer->press_speed;
-
- hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
- return 0;
-}
-
-static ssize_t pointer_press_to_select_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
-
- return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select);
-}
-
-static ssize_t pointer_press_to_select_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t count)
-{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
- int value;
-
- if (kstrtoint(buf, 10, &value))
- return -EINVAL;
- if (value < 0 || value > 1)
- return -EINVAL;
-
- data_pointer->press_to_select = value;
- tpkbd_features_set(hdev);
-
- return count;
-}
-
-static ssize_t pointer_dragging_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
-
- return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging);
-}
-
-static ssize_t pointer_dragging_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t count)
-{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
- int value;
-
- if (kstrtoint(buf, 10, &value))
- return -EINVAL;
- if (value < 0 || value > 1)
- return -EINVAL;
-
- data_pointer->dragging = value;
- tpkbd_features_set(hdev);
-
- return count;
-}
-
-static ssize_t pointer_release_to_select_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
-
- return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select);
-}
-
-static ssize_t pointer_release_to_select_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t count)
-{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
- int value;
-
- if (kstrtoint(buf, 10, &value))
- return -EINVAL;
- if (value < 0 || value > 1)
- return -EINVAL;
-
- data_pointer->release_to_select = value;
- tpkbd_features_set(hdev);
-
- return count;
-}
-
-static ssize_t pointer_select_right_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
-
- return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right);
-}
-
-static ssize_t pointer_select_right_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t count)
-{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
- int value;
-
- if (kstrtoint(buf, 10, &value))
- return -EINVAL;
- if (value < 0 || value > 1)
- return -EINVAL;
-
- data_pointer->select_right = value;
- tpkbd_features_set(hdev);
-
- return count;
-}
-
-static ssize_t pointer_sensitivity_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
-
- return snprintf(buf, PAGE_SIZE, "%u\n",
- data_pointer->sensitivity);
-}
-
-static ssize_t pointer_sensitivity_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t count)
-{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
- int value;
-
- if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
- return -EINVAL;
-
- data_pointer->sensitivity = value;
- tpkbd_features_set(hdev);
-
- return count;
-}
-
-static ssize_t pointer_press_speed_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
-
- return snprintf(buf, PAGE_SIZE, "%u\n",
- data_pointer->press_speed);
-}
-
-static ssize_t pointer_press_speed_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t count)
-{
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
- int value;
-
- if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
- return -EINVAL;
-
- data_pointer->press_speed = value;
- tpkbd_features_set(hdev);
-
- return count;
-}
-
-static struct device_attribute dev_attr_pointer_press_to_select =
- __ATTR(press_to_select, S_IWUSR | S_IRUGO,
- pointer_press_to_select_show,
- pointer_press_to_select_store);
-
-static struct device_attribute dev_attr_pointer_dragging =
- __ATTR(dragging, S_IWUSR | S_IRUGO,
- pointer_dragging_show,
- pointer_dragging_store);
-
-static struct device_attribute dev_attr_pointer_release_to_select =
- __ATTR(release_to_select, S_IWUSR | S_IRUGO,
- pointer_release_to_select_show,
- pointer_release_to_select_store);
-
-static struct device_attribute dev_attr_pointer_select_right =
- __ATTR(select_right, S_IWUSR | S_IRUGO,
- pointer_select_right_show,
- pointer_select_right_store);
-
-static struct device_attribute dev_attr_pointer_sensitivity =
- __ATTR(sensitivity, S_IWUSR | S_IRUGO,
- pointer_sensitivity_show,
- pointer_sensitivity_store);
-
-static struct device_attribute dev_attr_pointer_press_speed =
- __ATTR(press_speed, S_IWUSR | S_IRUGO,
- pointer_press_speed_show,
- pointer_press_speed_store);
-
-static struct attribute *tpkbd_attributes_pointer[] = {
- &dev_attr_pointer_press_to_select.attr,
- &dev_attr_pointer_dragging.attr,
- &dev_attr_pointer_release_to_select.attr,
- &dev_attr_pointer_select_right.attr,
- &dev_attr_pointer_sensitivity.attr,
- &dev_attr_pointer_press_speed.attr,
- NULL
-};
-
-static const struct attribute_group tpkbd_attr_group_pointer = {
- .attrs = tpkbd_attributes_pointer,
-};
-
-static enum led_brightness tpkbd_led_brightness_get(
- struct led_classdev *led_cdev)
-{
- struct device *dev = led_cdev->dev->parent;
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
- int led_nr = 0;
-
- if (led_cdev == &data_pointer->led_micmute)
- led_nr = 1;
-
- return data_pointer->led_state & (1 << led_nr)
- ? LED_FULL
- : LED_OFF;
-}
-
-static void tpkbd_led_brightness_set(struct led_classdev *led_cdev,
- enum led_brightness value)
-{
- struct device *dev = led_cdev->dev->parent;
- struct hid_device *hdev = container_of(dev, struct hid_device, dev);
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
- struct hid_report *report;
- int led_nr = 0;
-
- if (led_cdev == &data_pointer->led_micmute)
- led_nr = 1;
-
- if (value == LED_OFF)
- data_pointer->led_state &= ~(1 << led_nr);
- else
- data_pointer->led_state |= 1 << led_nr;
-
- report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3];
- report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1;
- report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1;
- hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
-}
-
-static int tpkbd_probe_tp(struct hid_device *hdev)
-{
- struct device *dev = &hdev->dev;
- struct tpkbd_data_pointer *data_pointer;
- size_t name_sz = strlen(dev_name(dev)) + 16;
- char *name_mute, *name_micmute;
- int i;
-
- /* Validate required reports. */
- for (i = 0; i < 4; i++) {
- if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1))
- return -ENODEV;
- }
- if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2))
- return -ENODEV;
-
- if (sysfs_create_group(&hdev->dev.kobj,
- &tpkbd_attr_group_pointer)) {
- hid_warn(hdev, "Could not create sysfs group\n");
- }
-
- data_pointer = devm_kzalloc(&hdev->dev,
- sizeof(struct tpkbd_data_pointer),
- GFP_KERNEL);
- if (data_pointer == NULL) {
- hid_err(hdev, "Could not allocate memory for driver data\n");
- return -ENOMEM;
- }
-
- // set same default values as windows driver
- data_pointer->sensitivity = 0xa0;
- data_pointer->press_speed = 0x38;
-
- name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
- name_micmute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
- if (name_mute == NULL || name_micmute == NULL) {
- hid_err(hdev, "Could not allocate memory for led data\n");
- return -ENOMEM;
- }
- snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(dev));
- snprintf(name_micmute, name_sz, "%s:amber:micmute", dev_name(dev));
-
- hid_set_drvdata(hdev, data_pointer);
-
- data_pointer->led_mute.name = name_mute;
- data_pointer->led_mute.brightness_get = tpkbd_led_brightness_get;
- data_pointer->led_mute.brightness_set = tpkbd_led_brightness_set;
- data_pointer->led_mute.dev = dev;
- led_classdev_register(dev, &data_pointer->led_mute);
-
- data_pointer->led_micmute.name = name_micmute;
- data_pointer->led_micmute.brightness_get = tpkbd_led_brightness_get;
- data_pointer->led_micmute.brightness_set = tpkbd_led_brightness_set;
- data_pointer->led_micmute.dev = dev;
- led_classdev_register(dev, &data_pointer->led_micmute);
-
- tpkbd_features_set(hdev);
-
- return 0;
-}
-
-static int tpkbd_probe(struct hid_device *hdev,
- const struct hid_device_id *id)
-{
- int ret;
-
- ret = hid_parse(hdev);
- if (ret) {
- hid_err(hdev, "hid_parse failed\n");
- goto err;
- }
-
- ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
- if (ret) {
- hid_err(hdev, "hid_hw_start failed\n");
- goto err;
- }
-
- if (hid_get_drvdata(hdev)) {
- hid_set_drvdata(hdev, NULL);
- ret = tpkbd_probe_tp(hdev);
- if (ret)
- goto err_hid;
- }
-
- return 0;
-err_hid:
- hid_hw_stop(hdev);
-err:
- return ret;
-}
-
-static void tpkbd_remove_tp(struct hid_device *hdev)
-{
- struct tpkbd_data_pointer *data_pointer = hid_get_drvdata(hdev);
-
- sysfs_remove_group(&hdev->dev.kobj,
- &tpkbd_attr_group_pointer);
-
- led_classdev_unregister(&data_pointer->led_micmute);
- led_classdev_unregister(&data_pointer->led_mute);
-
- hid_set_drvdata(hdev, NULL);
-}
-
-static void tpkbd_remove(struct hid_device *hdev)
-{
- if (hid_get_drvdata(hdev))
- tpkbd_remove_tp(hdev);
-
- hid_hw_stop(hdev);
-}
-
-static const struct hid_device_id tpkbd_devices[] = {
- { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
- { }
-};
-
-MODULE_DEVICE_TABLE(hid, tpkbd_devices);
-
-static struct hid_driver tpkbd_driver = {
- .name = "lenovo_tpkbd",
- .id_table = tpkbd_devices,
- .input_mapping = tpkbd_input_mapping,
- .probe = tpkbd_probe,
- .remove = tpkbd_remove,
-};
-module_hid_driver(tpkbd_driver);
-
-MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * HID driver for Lenovo ThinkPad USB Keyboard with TrackPoint
+ *
+ * Copyright (c) 2012 Bernhard Seibold
+ */
+
+/*
+ * 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/module.h>
+#include <linux/sysfs.h>
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/input.h>
+#include <linux/leds.h>
+
+#include "hid-ids.h"
+
+struct lenovo_drvdata_tpkbd {
+ int led_state;
+ struct led_classdev led_mute;
+ struct led_classdev led_micmute;
+ int press_to_select;
+ int dragging;
+ int release_to_select;
+ int select_right;
+ int sensitivity;
+ int press_speed;
+};
+
+#define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
+
+static int lenovo_input_mapping_tpkbd(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_UP_BUTTON | 0x0010)) {
+ /* mark the device as pointer */
+ hid_set_drvdata(hdev, (void *)1);
+ map_key_clear(KEY_MICMUTE);
+ return 1;
+ }
+ return 0;
+}
+
+#undef map_key_clear
+
+static int lenovo_features_set_tpkbd(struct hid_device *hdev)
+{
+ struct hid_report *report;
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+
+ report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4];
+
+ report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02;
+ report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08;
+ report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20;
+ report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40;
+ report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver
+ report->field[2]->value[0] = data_pointer->sensitivity;
+ report->field[3]->value[0] = data_pointer->press_speed;
+
+ hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
+ return 0;
+}
+
+static ssize_t attr_press_to_select_show_tpkbd(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select);
+}
+
+static ssize_t attr_press_to_select_store_tpkbd(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+ int value;
+
+ if (kstrtoint(buf, 10, &value))
+ return -EINVAL;
+ if (value < 0 || value > 1)
+ return -EINVAL;
+
+ data_pointer->press_to_select = value;
+ lenovo_features_set_tpkbd(hdev);
+
+ return count;
+}
+
+static ssize_t attr_dragging_show_tpkbd(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging);
+}
+
+static ssize_t attr_dragging_store_tpkbd(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+ int value;
+
+ if (kstrtoint(buf, 10, &value))
+ return -EINVAL;
+ if (value < 0 || value > 1)
+ return -EINVAL;
+
+ data_pointer->dragging = value;
+ lenovo_features_set_tpkbd(hdev);
+
+ return count;
+}
+
+static ssize_t attr_release_to_select_show_tpkbd(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select);
+}
+
+static ssize_t attr_release_to_select_store_tpkbd(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+ int value;
+
+ if (kstrtoint(buf, 10, &value))
+ return -EINVAL;
+ if (value < 0 || value > 1)
+ return -EINVAL;
+
+ data_pointer->release_to_select = value;
+ lenovo_features_set_tpkbd(hdev);
+
+ return count;
+}
+
+static ssize_t attr_select_right_show_tpkbd(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right);
+}
+
+static ssize_t attr_select_right_store_tpkbd(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+ int value;
+
+ if (kstrtoint(buf, 10, &value))
+ return -EINVAL;
+ if (value < 0 || value > 1)
+ return -EINVAL;
+
+ data_pointer->select_right = value;
+ lenovo_features_set_tpkbd(hdev);
+
+ return count;
+}
+
+static ssize_t attr_sensitivity_show_tpkbd(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+ data_pointer->sensitivity);
+}
+
+static ssize_t attr_sensitivity_store_tpkbd(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+ int value;
+
+ if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
+ return -EINVAL;
+
+ data_pointer->sensitivity = value;
+ lenovo_features_set_tpkbd(hdev);
+
+ return count;
+}
+
+static ssize_t attr_press_speed_show_tpkbd(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+ data_pointer->press_speed);
+}
+
+static ssize_t attr_press_speed_store_tpkbd(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+ int value;
+
+ if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
+ return -EINVAL;
+
+ data_pointer->press_speed = value;
+ lenovo_features_set_tpkbd(hdev);
+
+ return count;
+}
+
+static struct device_attribute dev_attr_press_to_select_tpkbd =
+ __ATTR(press_to_select, S_IWUSR | S_IRUGO,
+ attr_press_to_select_show_tpkbd,
+ attr_press_to_select_store_tpkbd);
+
+static struct device_attribute dev_attr_dragging_tpkbd =
+ __ATTR(dragging, S_IWUSR | S_IRUGO,
+ attr_dragging_show_tpkbd,
+ attr_dragging_store_tpkbd);
+
+static struct device_attribute dev_attr_release_to_select_tpkbd =
+ __ATTR(release_to_select, S_IWUSR | S_IRUGO,
+ attr_release_to_select_show_tpkbd,
+ attr_release_to_select_store_tpkbd);
+
+static struct device_attribute dev_attr_select_right_tpkbd =
+ __ATTR(select_right, S_IWUSR | S_IRUGO,
+ attr_select_right_show_tpkbd,
+ attr_select_right_store_tpkbd);
+
+static struct device_attribute dev_attr_sensitivity_tpkbd =
+ __ATTR(sensitivity, S_IWUSR | S_IRUGO,
+ attr_sensitivity_show_tpkbd,
+ attr_sensitivity_store_tpkbd);
+
+static struct device_attribute dev_attr_press_speed_tpkbd =
+ __ATTR(press_speed, S_IWUSR | S_IRUGO,
+ attr_press_speed_show_tpkbd,
+ attr_press_speed_store_tpkbd);
+
+static struct attribute *lenovo_attributes_tpkbd[] = {
+ &dev_attr_press_to_select_tpkbd.attr,
+ &dev_attr_dragging_tpkbd.attr,
+ &dev_attr_release_to_select_tpkbd.attr,
+ &dev_attr_select_right_tpkbd.attr,
+ &dev_attr_sensitivity_tpkbd.attr,
+ &dev_attr_press_speed_tpkbd.attr,
+ NULL
+};
+
+static const struct attribute_group lenovo_attr_group_tpkbd = {
+ .attrs = lenovo_attributes_tpkbd,
+};
+
+static enum led_brightness lenovo_led_brightness_get_tpkbd(
+ struct led_classdev *led_cdev)
+{
+ struct device *dev = led_cdev->dev->parent;
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+ int led_nr = 0;
+
+ if (led_cdev == &data_pointer->led_micmute)
+ led_nr = 1;
+
+ return data_pointer->led_state & (1 << led_nr)
+ ? LED_FULL
+ : LED_OFF;
+}
+
+static void lenovo_led_brightness_set_tpkbd(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ struct device *dev = led_cdev->dev->parent;
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+ struct hid_report *report;
+ int led_nr = 0;
+
+ if (led_cdev == &data_pointer->led_micmute)
+ led_nr = 1;
+
+ if (value == LED_OFF)
+ data_pointer->led_state &= ~(1 << led_nr);
+ else
+ data_pointer->led_state |= 1 << led_nr;
+
+ report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3];
+ report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1;
+ report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1;
+ hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
+}
+
+static int lenovo_probe_tpkbd(struct hid_device *hdev)
+{
+ struct device *dev = &hdev->dev;
+ struct lenovo_drvdata_tpkbd *data_pointer;
+ size_t name_sz = strlen(dev_name(dev)) + 16;
+ char *name_mute, *name_micmute;
+ int i;
+
+ /* Validate required reports. */
+ for (i = 0; i < 4; i++) {
+ if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1))
+ return -ENODEV;
+ }
+ if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2))
+ return -ENODEV;
+
+ if (sysfs_create_group(&hdev->dev.kobj,
+ &lenovo_attr_group_tpkbd)) {
+ hid_warn(hdev, "Could not create sysfs group\n");
+ }
+
+ data_pointer = devm_kzalloc(&hdev->dev,
+ sizeof(struct lenovo_drvdata_tpkbd),
+ GFP_KERNEL);
+ if (data_pointer == NULL) {
+ hid_err(hdev, "Could not allocate memory for driver data\n");
+ return -ENOMEM;
+ }
+
+ // set same default values as windows driver
+ data_pointer->sensitivity = 0xa0;
+ data_pointer->press_speed = 0x38;
+
+ name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
+ name_micmute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
+ if (name_mute == NULL || name_micmute == NULL) {
+ hid_err(hdev, "Could not allocate memory for led data\n");
+ return -ENOMEM;
+ }
+ snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(dev));
+ snprintf(name_micmute, name_sz, "%s:amber:micmute", dev_name(dev));
+
+ hid_set_drvdata(hdev, data_pointer);
+
+ data_pointer->led_mute.name = name_mute;
+ data_pointer->led_mute.brightness_get = lenovo_led_brightness_get_tpkbd;
+ data_pointer->led_mute.brightness_set = lenovo_led_brightness_set_tpkbd;
+ data_pointer->led_mute.dev = dev;
+ led_classdev_register(dev, &data_pointer->led_mute);
+
+ data_pointer->led_micmute.name = name_micmute;
+ data_pointer->led_micmute.brightness_get =
+ lenovo_led_brightness_get_tpkbd;
+ data_pointer->led_micmute.brightness_set =
+ lenovo_led_brightness_set_tpkbd;
+ data_pointer->led_micmute.dev = dev;
+ led_classdev_register(dev, &data_pointer->led_micmute);
+
+ lenovo_features_set_tpkbd(hdev);
+
+ return 0;
+}
+
+static int lenovo_probe(struct hid_device *hdev,
+ const struct hid_device_id *id)
+{
+ int ret;
+
+ ret = hid_parse(hdev);
+ if (ret) {
+ hid_err(hdev, "hid_parse failed\n");
+ goto err;
+ }
+
+ ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+ if (ret) {
+ hid_err(hdev, "hid_hw_start failed\n");
+ goto err;
+ }
+
+ if (hid_get_drvdata(hdev)) {
+ hid_set_drvdata(hdev, NULL);
+ ret = lenovo_probe_tpkbd(hdev);
+ if (ret)
+ goto err_hid;
+ }
+
+ return 0;
+err_hid:
+ hid_hw_stop(hdev);
+err:
+ return ret;
+}
+
+static void lenovo_remove_tpkbd(struct hid_device *hdev)
+{
+ struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
+
+ sysfs_remove_group(&hdev->dev.kobj,
+ &lenovo_attr_group_tpkbd);
+
+ led_classdev_unregister(&data_pointer->led_micmute);
+ led_classdev_unregister(&data_pointer->led_mute);
+
+ hid_set_drvdata(hdev, NULL);
+}
+
+static void lenovo_remove(struct hid_device *hdev)
+{
+ if (hid_get_drvdata(hdev))
+ lenovo_remove_tpkbd(hdev);
+
+ hid_hw_stop(hdev);
+}
+
+static const struct hid_device_id lenovo_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
+ { }
+};
+
+MODULE_DEVICE_TABLE(hid, lenovo_devices);
+
+static struct hid_driver lenovo_driver = {
+ .name = "lenovo",
+ .id_table = lenovo_devices,
+ .input_mapping = lenovo_input_mapping_tpkbd,
+ .probe = lenovo_probe,
+ .remove = lenovo_remove,
+};
+module_hid_driver(lenovo_driver);
+
+MODULE_LICENSE("GPL");
projects / cascardo / linux.git / commitdiff