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-rw-r--r--drivers/hid/hid-lenovo.c1427
1 files changed, 1427 insertions, 0 deletions
diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
new file mode 100644
index 000000000..149a3c743
--- /dev/null
+++ b/drivers/hid/hid-lenovo.c
@@ -0,0 +1,1427 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * HID driver for Lenovo:
+ * - ThinkPad USB Keyboard with TrackPoint (tpkbd)
+ * - ThinkPad Compact Bluetooth Keyboard with TrackPoint (cptkbd)
+ * - ThinkPad Compact USB Keyboard with TrackPoint (cptkbd)
+ * - ThinkPad TrackPoint Keyboard II USB/Bluetooth (cptkbd/tpIIkbd)
+ *
+ * Copyright (c) 2012 Bernhard Seibold
+ * Copyright (c) 2014 Jamie Lentin <jm@lentin.co.uk>
+ *
+ * Linux IBM/Lenovo Scrollpoint mouse driver:
+ * - IBM Scrollpoint III
+ * - IBM Scrollpoint Pro
+ * - IBM Scrollpoint Optical
+ * - IBM Scrollpoint Optical 800dpi
+ * - IBM Scrollpoint Optical 800dpi Pro
+ * - Lenovo Scrollpoint Optical
+ *
+ * Copyright (c) 2012 Peter De Wachter <pdewacht@gmail.com>
+ * Copyright (c) 2018 Peter Ganzhorn <peter.ganzhorn@gmail.com>
+ */
+
+/*
+ */
+
+#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 <linux/workqueue.h>
+
+#include "hid-ids.h"
+
+/* Userspace expects F20 for mic-mute KEY_MICMUTE does not work */
+#define LENOVO_KEY_MICMUTE KEY_F20
+
+struct lenovo_drvdata {
+ u8 led_report[3]; /* Must be first for proper alignment */
+ int led_state;
+ struct mutex led_report_mutex;
+ struct led_classdev led_mute;
+ struct led_classdev led_micmute;
+ struct work_struct fn_lock_sync_work;
+ struct hid_device *hdev;
+ int press_to_select;
+ int dragging;
+ int release_to_select;
+ int select_right;
+ int sensitivity;
+ int press_speed;
+ /* 0: Up
+ * 1: Down (undecided)
+ * 2: Scrolling
+ * 3: Patched firmware, disable workaround
+ */
+ u8 middlebutton_state;
+ bool fn_lock;
+};
+
+#define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
+
+#define TP10UBKBD_LED_OUTPUT_REPORT 9
+
+#define TP10UBKBD_FN_LOCK_LED 0x54
+#define TP10UBKBD_MUTE_LED 0x64
+#define TP10UBKBD_MICMUTE_LED 0x74
+
+#define TP10UBKBD_LED_OFF 1
+#define TP10UBKBD_LED_ON 2
+
+static int lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code,
+ enum led_brightness value)
+{
+ struct lenovo_drvdata *data = hid_get_drvdata(hdev);
+ int ret;
+
+ mutex_lock(&data->led_report_mutex);
+
+ data->led_report[0] = TP10UBKBD_LED_OUTPUT_REPORT;
+ data->led_report[1] = led_code;
+ data->led_report[2] = value ? TP10UBKBD_LED_ON : TP10UBKBD_LED_OFF;
+ ret = hid_hw_raw_request(hdev, data->led_report[0], data->led_report, 3,
+ HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
+ if (ret != 3) {
+ if (ret != -ENODEV)
+ hid_err(hdev, "Set LED output report error: %d\n", ret);
+
+ ret = ret < 0 ? ret : -EIO;
+ } else {
+ ret = 0;
+ }
+
+ mutex_unlock(&data->led_report_mutex);
+
+ return ret;
+}
+
+static void lenovo_tp10ubkbd_sync_fn_lock(struct work_struct *work)
+{
+ struct lenovo_drvdata *data =
+ container_of(work, struct lenovo_drvdata, fn_lock_sync_work);
+
+ lenovo_led_set_tp10ubkbd(data->hdev, TP10UBKBD_FN_LOCK_LED,
+ data->fn_lock);
+}
+
+static const __u8 lenovo_pro_dock_need_fixup_collection[] = {
+ 0x05, 0x88, /* Usage Page (Vendor Usage Page 0x88) */
+ 0x09, 0x01, /* Usage (Vendor Usage 0x01) */
+ 0xa1, 0x01, /* Collection (Application) */
+ 0x85, 0x04, /* Report ID (4) */
+ 0x19, 0x00, /* Usage Minimum (0) */
+ 0x2a, 0xff, 0xff, /* Usage Maximum (65535) */
+};
+
+/* Broken ThinkPad TrackPoint II collection (Bluetooth mode) */
+static const __u8 lenovo_tpIIbtkbd_need_fixup_collection[] = {
+ 0x06, 0x00, 0xFF, /* Usage Page (Vendor Defined 0xFF00) */
+ 0x09, 0x01, /* Usage (0x01) */
+ 0xA1, 0x01, /* Collection (Application) */
+ 0x85, 0x05, /* Report ID (5) */
+ 0x1A, 0xF1, 0x00, /* Usage Minimum (0xF1) */
+ 0x2A, 0xFC, 0x00, /* Usage Maximum (0xFC) */
+ 0x15, 0x00, /* Logical Minimum (0) */
+ 0x25, 0x01, /* Logical Maximum (1) */
+ 0x75, 0x01, /* Report Size (1) */
+ 0x95, 0x0D, /* Report Count (13) */
+ 0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */
+ 0x95, 0x03, /* Report Count (3) */
+ 0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */
+};
+
+static __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int *rsize)
+{
+ switch (hdev->product) {
+ case USB_DEVICE_ID_LENOVO_TPPRODOCK:
+ /* the fixups that need to be done:
+ * - get a reasonable usage max for the vendor collection
+ * 0x8801 from the report ID 4
+ */
+ if (*rsize >= 153 &&
+ memcmp(&rdesc[140], lenovo_pro_dock_need_fixup_collection,
+ sizeof(lenovo_pro_dock_need_fixup_collection)) == 0) {
+ rdesc[151] = 0x01;
+ rdesc[152] = 0x00;
+ }
+ break;
+ case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
+ if (*rsize >= 263 &&
+ memcmp(&rdesc[234], lenovo_tpIIbtkbd_need_fixup_collection,
+ sizeof(lenovo_tpIIbtkbd_need_fixup_collection)) == 0) {
+ rdesc[244] = 0x00; /* usage minimum = 0x00 */
+ rdesc[247] = 0xff; /* usage maximum = 0xff */
+ rdesc[252] = 0xff; /* logical maximum = 0xff */
+ rdesc[254] = 0x08; /* report size = 0x08 */
+ rdesc[256] = 0x01; /* report count = 0x01 */
+ rdesc[258] = 0x00; /* input = 0x00 */
+ rdesc[260] = 0x01; /* report count (2) = 0x01 */
+ }
+ break;
+ }
+ return rdesc;
+}
+
+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)) {
+ /* This sub-device contains trackpoint, mark it */
+ hid_set_drvdata(hdev, (void *)1);
+ map_key_clear(LENOVO_KEY_MICMUTE);
+ return 1;
+ }
+ 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) {
+ switch (usage->hid & HID_USAGE) {
+ case 0x00f1: /* Fn-F4: Mic mute */
+ map_key_clear(LENOVO_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 0x00f9: /* 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;
+ case 0x00fa: /* Fn-Esc: Fn-lock toggle */
+ map_key_clear(KEY_FN_ESC);
+ return 1;
+ case 0x00fb: /* Middle mouse button (in native mode) */
+ map_key_clear(BTN_MIDDLE);
+ return 1;
+ }
+ }
+
+ /* Compatibility middle/wheel mappings should be ignored */
+ if (usage->hid == HID_GD_WHEEL)
+ return -1;
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON &&
+ (usage->hid & HID_USAGE) == 0x003)
+ return -1;
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER &&
+ (usage->hid & HID_USAGE) == 0x238)
+ return -1;
+
+ /* Map wheel emulation reports: 0xffa1 = USB, 0xff10 = BT */
+ if ((usage->hid & HID_USAGE_PAGE) == 0xff100000 ||
+ (usage->hid & HID_USAGE_PAGE) == 0xffa10000) {
+ field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE;
+ field->logical_minimum = -127;
+ field->logical_maximum = 127;
+
+ switch (usage->hid & HID_USAGE) {
+ case 0x0000:
+ hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
+ return 1;
+ case 0x0001:
+ hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL);
+ return 1;
+ default:
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+static int lenovo_input_mapping_tpIIkbd(struct hid_device *hdev,
+ struct hid_input *hi, struct hid_field *field,
+ struct hid_usage *usage, unsigned long **bit, int *max)
+{
+ /*
+ * 0xff0a0000 = USB, HID_UP_MSVENDOR = BT.
+ *
+ * In BT mode, there are two HID_UP_MSVENDOR pages.
+ * Use only the page that contains report ID == 5.
+ */
+ if (((usage->hid & HID_USAGE_PAGE) == 0xff0a0000 ||
+ (usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) &&
+ field->report->id == 5) {
+ switch (usage->hid & HID_USAGE) {
+ case 0x00bb: /* Fn-F4: Mic mute */
+ map_key_clear(LENOVO_KEY_MICMUTE);
+ return 1;
+ case 0x00c3: /* Fn-F5: Brightness down */
+ map_key_clear(KEY_BRIGHTNESSDOWN);
+ return 1;
+ case 0x00c4: /* Fn-F6: Brightness up */
+ map_key_clear(KEY_BRIGHTNESSUP);
+ return 1;
+ case 0x00c1: /* Fn-F8: Notification center */
+ map_key_clear(KEY_NOTIFICATION_CENTER);
+ return 1;
+ case 0x00bc: /* Fn-F9: Control panel */
+ map_key_clear(KEY_CONFIG);
+ return 1;
+ case 0x00b6: /* Fn-F10: Bluetooth */
+ map_key_clear(KEY_BLUETOOTH);
+ return 1;
+ case 0x00b7: /* Fn-F11: Keyboard config */
+ map_key_clear(KEY_KEYBOARD);
+ return 1;
+ case 0x00b8: /* Fn-F12: User function */
+ map_key_clear(KEY_PROG1);
+ return 1;
+ case 0x00b9: /* Fn-PrtSc: Snipping tool */
+ map_key_clear(KEY_SELECTIVE_SCREENSHOT);
+ return 1;
+ case 0x00b5: /* Fn-Esc: Fn-lock toggle */
+ map_key_clear(KEY_FN_ESC);
+ return 1;
+ }
+ }
+
+ if ((usage->hid & HID_USAGE_PAGE) == 0xffa00000) {
+ switch (usage->hid & HID_USAGE) {
+ case 0x00fb: /* Middle mouse (in native USB mode) */
+ map_key_clear(BTN_MIDDLE);
+ return 1;
+ }
+ }
+
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR &&
+ field->report->id == 21) {
+ switch (usage->hid & HID_USAGE) {
+ case 0x0004: /* Middle mouse (in native Bluetooth mode) */
+ map_key_clear(BTN_MIDDLE);
+ return 1;
+ }
+ }
+
+ /* Compatibility middle/wheel mappings should be ignored */
+ if (usage->hid == HID_GD_WHEEL)
+ return -1;
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON &&
+ (usage->hid & HID_USAGE) == 0x003)
+ return -1;
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER &&
+ (usage->hid & HID_USAGE) == 0x238)
+ return -1;
+
+ /* Map wheel emulation reports: 0xff10 */
+ if ((usage->hid & HID_USAGE_PAGE) == 0xff100000) {
+ field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE;
+ field->logical_minimum = -127;
+ field->logical_maximum = 127;
+
+ switch (usage->hid & HID_USAGE) {
+ case 0x0000:
+ hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
+ return 1;
+ case 0x0001:
+ hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL);
+ return 1;
+ default:
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+static int lenovo_input_mapping_scrollpoint(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_GD_Z) {
+ hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
+ return 1;
+ }
+ return 0;
+}
+
+static int lenovo_input_mapping_tp10_ultrabook_kbd(struct hid_device *hdev,
+ struct hid_input *hi, struct hid_field *field,
+ struct hid_usage *usage, unsigned long **bit, int *max)
+{
+ /*
+ * The ThinkPad 10 Ultrabook Keyboard uses 0x000c0001 usage for
+ * a bunch of keys which have no standard consumer page code.
+ */
+ if (usage->hid == 0x000c0001) {
+ switch (usage->usage_index) {
+ case 8: /* Fn-Esc: Fn-lock toggle */
+ map_key_clear(KEY_FN_ESC);
+ return 1;
+ case 9: /* Fn-F4: Mic mute */
+ map_key_clear(LENOVO_KEY_MICMUTE);
+ return 1;
+ case 10: /* Fn-F7: Control panel */
+ map_key_clear(KEY_CONFIG);
+ return 1;
+ case 11: /* Fn-F8: Search (magnifier glass) */
+ map_key_clear(KEY_SEARCH);
+ return 1;
+ case 12: /* Fn-F10: Open My computer (6 boxes) */
+ map_key_clear(KEY_FILE);
+ return 1;
+ }
+ }
+
+ /*
+ * The Ultrabook Keyboard sends a spurious F23 key-press when resuming
+ * from suspend and it does not actually have a F23 key, ignore it.
+ */
+ if (usage->hid == 0x00070072)
+ return -1;
+
+ return 0;
+}
+
+static int lenovo_input_mapping_x1_tab_kbd(struct hid_device *hdev,
+ struct hid_input *hi, struct hid_field *field,
+ struct hid_usage *usage, unsigned long **bit, int *max)
+{
+ /*
+ * The ThinkPad X1 Tablet Thin Keyboard uses 0x000c0001 usage for
+ * a bunch of keys which have no standard consumer page code.
+ */
+ if (usage->hid == 0x000c0001) {
+ switch (usage->usage_index) {
+ case 0: /* Fn-F10: Enable/disable bluetooth */
+ map_key_clear(KEY_BLUETOOTH);
+ return 1;
+ case 1: /* Fn-F11: Keyboard settings */
+ map_key_clear(KEY_KEYBOARD);
+ return 1;
+ case 2: /* Fn-F12: User function / Cortana */
+ map_key_clear(KEY_MACRO1);
+ return 1;
+ case 3: /* Fn-PrtSc: Snipping tool */
+ map_key_clear(KEY_SELECTIVE_SCREENSHOT);
+ return 1;
+ case 8: /* Fn-Esc: Fn-lock toggle */
+ map_key_clear(KEY_FN_ESC);
+ return 1;
+ case 9: /* Fn-F4: Mute/unmute microphone */
+ map_key_clear(KEY_MICMUTE);
+ return 1;
+ case 10: /* Fn-F9: Settings */
+ map_key_clear(KEY_CONFIG);
+ return 1;
+ case 13: /* Fn-F7: Manage external displays */
+ map_key_clear(KEY_SWITCHVIDEOMODE);
+ return 1;
+ case 14: /* Fn-F8: Enable/disable wifi */
+ map_key_clear(KEY_WLAN);
+ return 1;
+ }
+ }
+
+ if (usage->hid == (HID_UP_KEYBOARD | 0x009a)) {
+ map_key_clear(KEY_SYSRQ);
+ 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)
+{
+ switch (hdev->product) {
+ 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);
+ case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
+ return lenovo_input_mapping_tpIIkbd(hdev, hi, field,
+ usage, bit, max);
+ case USB_DEVICE_ID_IBM_SCROLLPOINT_III:
+ case USB_DEVICE_ID_IBM_SCROLLPOINT_PRO:
+ case USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL:
+ case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL:
+ case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO:
+ case USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL:
+ return lenovo_input_mapping_scrollpoint(hdev, hi, field,
+ usage, bit, max);
+ case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+ return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field,
+ usage, bit, max);
+ case USB_DEVICE_ID_LENOVO_X1_TAB:
+ return lenovo_input_mapping_x1_tab_kbd(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;
+
+ buf = kzalloc(3, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ /*
+ * Feature report 0x13 is used for USB,
+ * output report 0x18 is used for Bluetooth.
+ * buf[0] is ignored by hid_hw_raw_request.
+ */
+ buf[0] = 0x18;
+ buf[1] = byte2;
+ buf[2] = byte3;
+
+ switch (hdev->product) {
+ case USB_DEVICE_ID_LENOVO_CUSBKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
+ ret = hid_hw_raw_request(hdev, 0x13, buf, 3,
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+ break;
+ case USB_DEVICE_ID_LENOVO_CBTKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
+ ret = hid_hw_output_report(hdev, buf, 3);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ kfree(buf);
+
+ 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_data = hid_get_drvdata(hdev);
+
+ /*
+ * 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);
+
+ /* Switch middle button to native mode */
+ ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01);
+ if (ret)
+ hid_warn(hdev, "Failed to switch middle button: %d\n", ret);
+
+ ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock);
+ if (ret)
+ hid_err(hdev, "Fn-lock setting failed: %d\n", ret);
+
+ ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity);
+ if (ret)
+ hid_err(hdev, "Sensitivity setting failed: %d\n", ret);
+}
+
+static ssize_t attr_fn_lock_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct hid_device *hdev = to_hid_device(dev);
+ struct lenovo_drvdata *data = hid_get_drvdata(hdev);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", data->fn_lock);
+}
+
+static ssize_t attr_fn_lock_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct hid_device *hdev = to_hid_device(dev);
+ struct lenovo_drvdata *data = hid_get_drvdata(hdev);
+ int value, ret;
+
+ if (kstrtoint(buf, 10, &value))
+ return -EINVAL;
+ if (value < 0 || value > 1)
+ return -EINVAL;
+
+ data->fn_lock = !!value;
+
+ switch (hdev->product) {
+ case USB_DEVICE_ID_LENOVO_CUSBKBD:
+ case USB_DEVICE_ID_LENOVO_CBTKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
+ lenovo_features_set_cptkbd(hdev);
+ break;
+ case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+ case USB_DEVICE_ID_LENOVO_X1_TAB:
+ ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value);
+ if (ret)
+ return ret;
+ break;
+ }
+
+ return count;
+}
+
+static ssize_t attr_sensitivity_show_cptkbd(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct hid_device *hdev = to_hid_device(dev);
+ struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+ cptkbd_data->sensitivity);
+}
+
+static ssize_t attr_sensitivity_store_cptkbd(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct hid_device *hdev = to_hid_device(dev);
+ struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
+ int value;
+
+ if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
+ return -EINVAL;
+
+ cptkbd_data->sensitivity = value;
+ lenovo_features_set_cptkbd(hdev);
+
+ return count;
+}
+
+
+static struct device_attribute dev_attr_fn_lock =
+ __ATTR(fn_lock, S_IWUSR | S_IRUGO,
+ attr_fn_lock_show,
+ attr_fn_lock_store);
+
+static struct device_attribute dev_attr_sensitivity_cptkbd =
+ __ATTR(sensitivity, S_IWUSR | S_IRUGO,
+ attr_sensitivity_show_cptkbd,
+ attr_sensitivity_store_cptkbd);
+
+
+static struct attribute *lenovo_attributes_cptkbd[] = {
+ &dev_attr_fn_lock.attr,
+ &dev_attr_sensitivity_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] = 0x00;
+ data[2] = 0x01;
+ }
+
+ return 0;
+}
+
+static int lenovo_event_tp10ubkbd(struct hid_device *hdev,
+ struct hid_field *field, struct hid_usage *usage, __s32 value)
+{
+ struct lenovo_drvdata *data = hid_get_drvdata(hdev);
+
+ if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) {
+ /*
+ * The user has toggled the Fn-lock state. Toggle our own
+ * cached value of it and sync our value to the keyboard to
+ * ensure things are in sync (the sycning should be a no-op).
+ */
+ data->fn_lock = !data->fn_lock;
+ schedule_work(&data->fn_lock_sync_work);
+ }
+
+ return 0;
+}
+
+static int lenovo_event_cptkbd(struct hid_device *hdev,
+ struct hid_field *field, struct hid_usage *usage, __s32 value)
+{
+ struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
+
+ if (cptkbd_data->middlebutton_state != 3) {
+ /* REL_X and REL_Y events during middle button pressed
+ * are only possible on patched, bug-free firmware
+ * so set middlebutton_state to 3
+ * to never apply workaround anymore
+ */
+ if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD &&
+ cptkbd_data->middlebutton_state == 1 &&
+ usage->type == EV_REL &&
+ (usage->code == REL_X || usage->code == REL_Y)) {
+ cptkbd_data->middlebutton_state = 3;
+ /* send middle button press which was hold before */
+ input_event(field->hidinput->input,
+ EV_KEY, BTN_MIDDLE, 1);
+ input_sync(field->hidinput->input);
+ }
+
+ /* "wheel" scroll events */
+ if (usage->type == EV_REL && (usage->code == REL_WHEEL ||
+ usage->code == REL_HWHEEL)) {
+ /* Scroll events disable middle-click event */
+ cptkbd_data->middlebutton_state = 2;
+ return 0;
+ }
+
+ /* Middle click events */
+ if (usage->type == EV_KEY && usage->code == BTN_MIDDLE) {
+ if (value == 1) {
+ cptkbd_data->middlebutton_state = 1;
+ } else if (value == 0) {
+ if (cptkbd_data->middlebutton_state == 1) {
+ /* No scrolling inbetween, send middle-click */
+ input_event(field->hidinput->input,
+ EV_KEY, BTN_MIDDLE, 1);
+ input_sync(field->hidinput->input);
+ input_event(field->hidinput->input,
+ EV_KEY, BTN_MIDDLE, 0);
+ input_sync(field->hidinput->input);
+ }
+ cptkbd_data->middlebutton_state = 0;
+ }
+ return 1;
+ }
+ }
+
+ if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) {
+ /*
+ * The user has toggled the Fn-lock state. Toggle our own
+ * cached value of it and sync our value to the keyboard to
+ * ensure things are in sync (the syncing should be a no-op).
+ */
+ cptkbd_data->fn_lock = !cptkbd_data->fn_lock;
+ }
+
+ return 0;
+}
+
+static int lenovo_event(struct hid_device *hdev, struct hid_field *field,
+ struct hid_usage *usage, __s32 value)
+{
+ if (!hid_get_drvdata(hdev))
+ return 0;
+
+ switch (hdev->product) {
+ case USB_DEVICE_ID_LENOVO_CUSBKBD:
+ case USB_DEVICE_ID_LENOVO_CBTKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
+ return lenovo_event_cptkbd(hdev, field, usage, value);
+ case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+ case USB_DEVICE_ID_LENOVO_X1_TAB:
+ return lenovo_event_tp10ubkbd(hdev, field, usage, value);
+ default:
+ return 0;
+ }
+}
+
+static int lenovo_features_set_tpkbd(struct hid_device *hdev)
+{
+ struct hid_report *report;
+ struct lenovo_drvdata *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 = to_hid_device(dev);
+ struct lenovo_drvdata *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 = to_hid_device(dev);
+ struct lenovo_drvdata *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 = to_hid_device(dev);
+ struct lenovo_drvdata *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 = to_hid_device(dev);
+ struct lenovo_drvdata *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 = to_hid_device(dev);
+ struct lenovo_drvdata *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 = to_hid_device(dev);
+ struct lenovo_drvdata *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 = to_hid_device(dev);
+ struct lenovo_drvdata *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 = to_hid_device(dev);
+ struct lenovo_drvdata *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 = to_hid_device(dev);
+ struct lenovo_drvdata *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 = to_hid_device(dev);
+ struct lenovo_drvdata *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 = to_hid_device(dev);
+ struct lenovo_drvdata *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 = to_hid_device(dev);
+ struct lenovo_drvdata *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 void lenovo_led_set_tpkbd(struct hid_device *hdev)
+{
+ struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
+ struct hid_report *report;
+
+ 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_led_brightness_set(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ struct device *dev = led_cdev->dev->parent;
+ struct hid_device *hdev = to_hid_device(dev);
+ struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
+ static const u8 tp10ubkbd_led[] = { TP10UBKBD_MUTE_LED, TP10UBKBD_MICMUTE_LED };
+ int led_nr = 0;
+ int ret = 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;
+
+ switch (hdev->product) {
+ case USB_DEVICE_ID_LENOVO_TPKBD:
+ lenovo_led_set_tpkbd(hdev);
+ break;
+ case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+ case USB_DEVICE_ID_LENOVO_X1_TAB:
+ ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value);
+ break;
+ }
+
+ return ret;
+}
+
+static int lenovo_register_leds(struct hid_device *hdev)
+{
+ struct lenovo_drvdata *data = hid_get_drvdata(hdev);
+ size_t name_sz = strlen(dev_name(&hdev->dev)) + 16;
+ char *name_mute, *name_micm;
+ int ret;
+
+ name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
+ name_micm = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
+ if (name_mute == NULL || name_micm == NULL) {
+ hid_err(hdev, "Could not allocate memory for led data\n");
+ return -ENOMEM;
+ }
+ snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(&hdev->dev));
+ snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev));
+
+ data->led_mute.name = name_mute;
+ data->led_mute.default_trigger = "audio-mute";
+ data->led_mute.brightness_set_blocking = lenovo_led_brightness_set;
+ data->led_mute.max_brightness = 1;
+ data->led_mute.flags = LED_HW_PLUGGABLE;
+ data->led_mute.dev = &hdev->dev;
+ ret = led_classdev_register(&hdev->dev, &data->led_mute);
+ if (ret < 0)
+ return ret;
+
+ data->led_micmute.name = name_micm;
+ data->led_micmute.default_trigger = "audio-micmute";
+ data->led_micmute.brightness_set_blocking = lenovo_led_brightness_set;
+ data->led_micmute.max_brightness = 1;
+ data->led_micmute.flags = LED_HW_PLUGGABLE;
+ data->led_micmute.dev = &hdev->dev;
+ ret = led_classdev_register(&hdev->dev, &data->led_micmute);
+ if (ret < 0) {
+ led_classdev_unregister(&data->led_mute);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int lenovo_probe_tpkbd(struct hid_device *hdev)
+{
+ struct lenovo_drvdata *data_pointer;
+ int i, ret;
+
+ /*
+ * Only register extra settings against subdevice where input_mapping
+ * set drvdata to 1, i.e. the trackpoint.
+ */
+ if (!hid_get_drvdata(hdev))
+ return 0;
+
+ hid_set_drvdata(hdev, NULL);
+
+ /* 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;
+
+ ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
+ if (ret)
+ hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
+
+ data_pointer = devm_kzalloc(&hdev->dev,
+ sizeof(struct lenovo_drvdata),
+ GFP_KERNEL);
+ if (data_pointer == NULL) {
+ hid_err(hdev, "Could not allocate memory for driver data\n");
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ // set same default values as windows driver
+ data_pointer->sensitivity = 0xa0;
+ data_pointer->press_speed = 0x38;
+
+ hid_set_drvdata(hdev, data_pointer);
+
+ ret = lenovo_register_leds(hdev);
+ if (ret)
+ goto err;
+
+ lenovo_features_set_tpkbd(hdev);
+
+ return 0;
+err:
+ sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
+ return ret;
+}
+
+static int lenovo_probe_cptkbd(struct hid_device *hdev)
+{
+ int ret;
+ struct lenovo_drvdata *cptkbd_data;
+
+ /* All the custom action happens on the USBMOUSE device for USB */
+ if (((hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD) ||
+ (hdev->product == USB_DEVICE_ID_LENOVO_TPIIUSBKBD)) &&
+ 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);
+
+ /* Set keyboard settings to known state */
+ cptkbd_data->middlebutton_state = 0;
+ cptkbd_data->fn_lock = true;
+ cptkbd_data->sensitivity = 0x05;
+ 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 struct attribute *lenovo_attributes_tp10ubkbd[] = {
+ &dev_attr_fn_lock.attr,
+ NULL
+};
+
+static const struct attribute_group lenovo_attr_group_tp10ubkbd = {
+ .attrs = lenovo_attributes_tp10ubkbd,
+};
+
+static int lenovo_probe_tp10ubkbd(struct hid_device *hdev)
+{
+ struct hid_report_enum *rep_enum;
+ struct lenovo_drvdata *data;
+ struct hid_report *rep;
+ bool found;
+ int ret;
+
+ /*
+ * The LEDs and the Fn-lock functionality use output report 9,
+ * with an application of 0xffa0001, add the LEDs on the interface
+ * with this output report.
+ */
+ found = false;
+ rep_enum = &hdev->report_enum[HID_OUTPUT_REPORT];
+ list_for_each_entry(rep, &rep_enum->report_list, list) {
+ if (rep->application == 0xffa00001)
+ found = true;
+ }
+ if (!found)
+ return 0;
+
+ data = devm_kzalloc(&hdev->dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ mutex_init(&data->led_report_mutex);
+ INIT_WORK(&data->fn_lock_sync_work, lenovo_tp10ubkbd_sync_fn_lock);
+ data->hdev = hdev;
+
+ hid_set_drvdata(hdev, data);
+
+ /*
+ * The Thinkpad 10 ultrabook USB kbd dock's Fn-lock defaults to on.
+ * We cannot read the state, only set it, so we force it to on here
+ * (which should be a no-op) to make sure that our state matches the
+ * keyboard's FN-lock state. This is the same as what Windows does.
+ */
+ data->fn_lock = true;
+ lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock);
+
+ ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
+ if (ret)
+ return ret;
+
+ ret = lenovo_register_leds(hdev);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
+ return ret;
+}
+
+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;
+ }
+
+ switch (hdev->product) {
+ case USB_DEVICE_ID_LENOVO_TPKBD:
+ ret = lenovo_probe_tpkbd(hdev);
+ break;
+ case USB_DEVICE_ID_LENOVO_CUSBKBD:
+ case USB_DEVICE_ID_LENOVO_CBTKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
+ ret = lenovo_probe_cptkbd(hdev);
+ break;
+ case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+ case USB_DEVICE_ID_LENOVO_X1_TAB:
+ ret = lenovo_probe_tp10ubkbd(hdev);
+ break;
+ default:
+ ret = 0;
+ break;
+ }
+ if (ret)
+ goto err_hid;
+
+ return 0;
+err_hid:
+ hid_hw_stop(hdev);
+err:
+ return ret;
+}
+
+#ifdef CONFIG_PM
+static int lenovo_reset_resume(struct hid_device *hdev)
+{
+ switch (hdev->product) {
+ case USB_DEVICE_ID_LENOVO_CUSBKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
+ if (hdev->type == HID_TYPE_USBMOUSE)
+ lenovo_features_set_cptkbd(hdev);
+
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+#endif
+
+static void lenovo_remove_tpkbd(struct hid_device *hdev)
+{
+ struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
+
+ /*
+ * Only the trackpoint half of the keyboard has drvdata and stuff that
+ * needs unregistering.
+ */
+ if (data_pointer == NULL)
+ return;
+
+ sysfs_remove_group(&hdev->dev.kobj,
+ &lenovo_attr_group_tpkbd);
+
+ led_classdev_unregister(&data_pointer->led_micmute);
+ led_classdev_unregister(&data_pointer->led_mute);
+}
+
+static void lenovo_remove_cptkbd(struct hid_device *hdev)
+{
+ sysfs_remove_group(&hdev->dev.kobj,
+ &lenovo_attr_group_cptkbd);
+}
+
+static void lenovo_remove_tp10ubkbd(struct hid_device *hdev)
+{
+ struct lenovo_drvdata *data = hid_get_drvdata(hdev);
+
+ if (data == NULL)
+ return;
+
+ led_classdev_unregister(&data->led_micmute);
+ led_classdev_unregister(&data->led_mute);
+
+ sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
+ cancel_work_sync(&data->fn_lock_sync_work);
+}
+
+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:
+ case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
+ lenovo_remove_cptkbd(hdev);
+ break;
+ case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+ case USB_DEVICE_ID_LENOVO_X1_TAB:
+ lenovo_remove_tp10ubkbd(hdev);
+ break;
+ }
+
+ hid_hw_stop(hdev);
+}
+
+static int lenovo_input_configured(struct hid_device *hdev,
+ struct hid_input *hi)
+{
+ switch (hdev->product) {
+ case USB_DEVICE_ID_LENOVO_TPKBD:
+ case USB_DEVICE_ID_LENOVO_CUSBKBD:
+ case USB_DEVICE_ID_LENOVO_CBTKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
+ case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
+ if (test_bit(EV_REL, hi->input->evbit)) {
+ /* set only for trackpoint device */
+ __set_bit(INPUT_PROP_POINTER, hi->input->propbit);
+ __set_bit(INPUT_PROP_POINTING_STICK,
+ hi->input->propbit);
+ }
+ break;
+ }
+
+ return 0;
+}
+
+
+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_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIUSBKBD) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIBTKBD) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_III) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_PRO) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TP10UBKBD) },
+ /*
+ * 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 and trackpoint.
+ */
+ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+ USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) },
+ { }
+};
+
+MODULE_DEVICE_TABLE(hid, lenovo_devices);
+
+static struct hid_driver lenovo_driver = {
+ .name = "lenovo",
+ .id_table = lenovo_devices,
+ .input_configured = lenovo_input_configured,
+ .input_mapping = lenovo_input_mapping,
+ .probe = lenovo_probe,
+ .remove = lenovo_remove,
+ .raw_event = lenovo_raw_event,
+ .event = lenovo_event,
+ .report_fixup = lenovo_report_fixup,
+#ifdef CONFIG_PM
+ .reset_resume = lenovo_reset_resume,
+#endif
+};
+module_hid_driver(lenovo_driver);
+
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 06:02:40 +0000