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.
+ Applies to Thinkpad USB Keyboard with TrackPoint.
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.
+ Applies to Thinkpad USB Keyboard with TrackPoint.
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.
+ Applies to Thinkpad USB Keyboard with TrackPoint.
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/select_right
Date: July 2011
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.
+ Applies to Thinkpad USB Keyboard with TrackPoint.
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).
+ Applies to Thinkpad USB Keyboard with TrackPoint.
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).
+ Applies to Thinkpad USB Keyboard with TrackPoint.
+What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/fn_lock
+Date: July 2014
+Contact: linux-input@vger.kernel.org
+Description: This setting controls whether Fn Lock is enabled on the keyboard (i.e. if F1 is Mute or F1)
+ Values are 0 or 1
+ Applies to ThinkPad Compact (USB|Bluetooth) Keyboard with TrackPoint.
/*
* HID driver for Lenovo:
* - ThinkPad USB Keyboard with TrackPoint (tpkbd)
+ * - ThinkPad Compact Bluetooth Keyboard with TrackPoint (cptkbd)
+ * - ThinkPad Compact USB Keyboard with TrackPoint (cptkbd)
*
* Copyright (c) 2012 Bernhard Seibold
+ * Copyright (c) 2014 Jamie Lentin <jm@lentin.co.uk>
*/
/*
int press_speed;
};
+struct lenovo_drvdata_cptkbd {
+ bool fn_lock;
+};
+
#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,
return 0;
}
+static int lenovo_input_mapping_cptkbd(struct hid_device *hdev,
+ struct hid_input *hi, struct hid_field *field,
+ struct hid_usage *usage, unsigned long **bit, int *max)
+{
+ /* HID_UP_LNVENDOR = USB, HID_UP_MSVENDOR = BT */
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR ||
+ (usage->hid & HID_USAGE_PAGE) == HID_UP_LNVENDOR) {
+ set_bit(EV_REP, hi->input->evbit);
+ switch (usage->hid & HID_USAGE) {
+ case 0x00f1: /* Fn-F4: Mic mute */
+ map_key_clear(KEY_MICMUTE);
+ return 1;
+ case 0x00f2: /* Fn-F5: Brightness down */
+ map_key_clear(KEY_BRIGHTNESSDOWN);
+ return 1;
+ case 0x00f3: /* Fn-F6: Brightness up */
+ map_key_clear(KEY_BRIGHTNESSUP);
+ return 1;
+ case 0x00f4: /* Fn-F7: External display (projector) */
+ map_key_clear(KEY_SWITCHVIDEOMODE);
+ return 1;
+ case 0x00f5: /* Fn-F8: Wireless */
+ map_key_clear(KEY_WLAN);
+ return 1;
+ case 0x00f6: /* Fn-F9: Control panel */
+ map_key_clear(KEY_CONFIG);
+ return 1;
+ case 0x00f8: /* Fn-F11: View open applications (3 boxes) */
+ map_key_clear(KEY_SCALE);
+ return 1;
+ case 0x00fa: /* Fn-Esc: Fn-lock toggle */
+ map_key_clear(KEY_FN_ESC);
+ return 1;
+ case 0x00fb: /* Fn-F12: Open My computer (6 boxes) USB-only */
+ /* NB: This mapping is invented in raw_event below */
+ map_key_clear(KEY_FILE);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
static int lenovo_input_mapping(struct hid_device *hdev,
struct hid_input *hi, struct hid_field *field,
struct hid_usage *usage, unsigned long **bit, int *max)
case USB_DEVICE_ID_LENOVO_TPKBD:
return lenovo_input_mapping_tpkbd(hdev, hi, field,
usage, bit, max);
+ case USB_DEVICE_ID_LENOVO_CUSBKBD:
+ case USB_DEVICE_ID_LENOVO_CBTKBD:
+ return lenovo_input_mapping_cptkbd(hdev, hi, field,
+ usage, bit, max);
default:
return 0;
}
#undef map_key_clear
+/* Send a config command to the keyboard */
+static int lenovo_send_cmd_cptkbd(struct hid_device *hdev,
+ unsigned char byte2, unsigned char byte3)
+{
+ int ret;
+ unsigned char buf[] = {0x18, byte2, byte3};
+
+ switch (hdev->product) {
+ case USB_DEVICE_ID_LENOVO_CUSBKBD:
+ ret = hid_hw_raw_request(hdev, 0x13, buf, sizeof(buf),
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+ break;
+ case USB_DEVICE_ID_LENOVO_CBTKBD:
+ ret = hid_hw_output_report(hdev, buf, sizeof(buf));
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret < 0 ? ret : 0; /* BT returns 0, USB returns sizeof(buf) */
+}
+
+static void lenovo_features_set_cptkbd(struct hid_device *hdev)
+{
+ int ret;
+ struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
+
+ ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock);
+ if (ret)
+ hid_err(hdev, "Fn-lock setting failed: %d\n", ret);
+}
+
+static ssize_t attr_fn_lock_show_cptkbd(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+ struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", cptkbd_data->fn_lock);
+}
+
+static ssize_t attr_fn_lock_store_cptkbd(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_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
+ int value;
+
+ if (kstrtoint(buf, 10, &value))
+ return -EINVAL;
+ if (value < 0 || value > 1)
+ return -EINVAL;
+
+ cptkbd_data->fn_lock = !!value;
+ lenovo_features_set_cptkbd(hdev);
+
+ return count;
+}
+
+static struct device_attribute dev_attr_fn_lock_cptkbd =
+ __ATTR(fn_lock, S_IWUSR | S_IRUGO,
+ attr_fn_lock_show_cptkbd,
+ attr_fn_lock_store_cptkbd);
+
+static struct attribute *lenovo_attributes_cptkbd[] = {
+ &dev_attr_fn_lock_cptkbd.attr,
+ NULL
+};
+
+static const struct attribute_group lenovo_attr_group_cptkbd = {
+ .attrs = lenovo_attributes_cptkbd,
+};
+
+static int lenovo_raw_event(struct hid_device *hdev,
+ struct hid_report *report, u8 *data, int size)
+{
+ /*
+ * Compact USB keyboard's Fn-F12 report holds down many other keys, and
+ * its own key is outside the usage page range. Remove extra
+ * keypresses and remap to inside usage page.
+ */
+ if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD
+ && size == 3
+ && data[0] == 0x15
+ && data[1] == 0x94
+ && data[2] == 0x01)) {
+ data[1] = 0x0;
+ data[2] = 0x4;
+ }
+
+ return 0;
+}
+
static int lenovo_features_set_tpkbd(struct hid_device *hdev)
{
struct hid_report *report;
return 0;
}
+static int lenovo_probe_cptkbd(struct hid_device *hdev)
+{
+ int ret;
+ struct lenovo_drvdata_cptkbd *cptkbd_data;
+
+ /* All the custom action happens on the USBMOUSE device for USB */
+ if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD
+ && hdev->type != HID_TYPE_USBMOUSE) {
+ hid_dbg(hdev, "Ignoring keyboard half of device\n");
+ return 0;
+ }
+
+ cptkbd_data = devm_kzalloc(&hdev->dev,
+ sizeof(*cptkbd_data),
+ GFP_KERNEL);
+ if (cptkbd_data == NULL) {
+ hid_err(hdev, "can't alloc keyboard descriptor\n");
+ return -ENOMEM;
+ }
+ hid_set_drvdata(hdev, cptkbd_data);
+
+ /*
+ * Tell the keyboard a driver understands it, and turn F7, F9, F11 into
+ * regular keys
+ */
+ ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03);
+ if (ret)
+ hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret);
+
+ /* Turn Fn-Lock on by default */
+ cptkbd_data->fn_lock = true;
+ lenovo_features_set_cptkbd(hdev);
+
+ ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd);
+ if (ret)
+ hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
+
+ return 0;
+}
+
static int lenovo_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
case USB_DEVICE_ID_LENOVO_TPKBD:
ret = lenovo_probe_tpkbd(hdev);
break;
+ case USB_DEVICE_ID_LENOVO_CUSBKBD:
+ case USB_DEVICE_ID_LENOVO_CBTKBD:
+ ret = lenovo_probe_cptkbd(hdev);
+ break;
default:
ret = 0;
break;
hid_set_drvdata(hdev, NULL);
}
+static void lenovo_remove_cptkbd(struct hid_device *hdev)
+{
+ sysfs_remove_group(&hdev->dev.kobj,
+ &lenovo_attr_group_cptkbd);
+}
+
static void lenovo_remove(struct hid_device *hdev)
{
switch (hdev->product) {
case USB_DEVICE_ID_LENOVO_TPKBD:
lenovo_remove_tpkbd(hdev);
break;
+ case USB_DEVICE_ID_LENOVO_CUSBKBD:
+ case USB_DEVICE_ID_LENOVO_CBTKBD:
+ lenovo_remove_cptkbd(hdev);
+ break;
}
hid_hw_stop(hdev);
static const struct hid_device_id lenovo_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
{ }
};
.input_mapping = lenovo_input_mapping,
.probe = lenovo_probe,
.remove = lenovo_remove,
+ .raw_event = lenovo_raw_event,
};
module_hid_driver(lenovo_driver);
projects / mirror_ubuntu-artful-kernel.git / commitdiff