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1224 lines
33 KiB
1224 lines
33 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* HID driver for Lenovo: |
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* - ThinkPad USB Keyboard with TrackPoint (tpkbd) |
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* - ThinkPad Compact Bluetooth Keyboard with TrackPoint (cptkbd) |
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* - ThinkPad Compact USB Keyboard with TrackPoint (cptkbd) |
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* |
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* Copyright (c) 2012 Bernhard Seibold |
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* Copyright (c) 2014 Jamie Lentin <[email protected]> |
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* |
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* Linux IBM/Lenovo Scrollpoint mouse driver: |
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* - IBM Scrollpoint III |
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* - IBM Scrollpoint Pro |
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* - IBM Scrollpoint Optical |
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* - IBM Scrollpoint Optical 800dpi |
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* - IBM Scrollpoint Optical 800dpi Pro |
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* - Lenovo Scrollpoint Optical |
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* |
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* Copyright (c) 2012 Peter De Wachter <[email protected]> |
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* Copyright (c) 2018 Peter Ganzhorn <[email protected]> |
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*/ |
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|
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/* |
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*/ |
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|
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#include <linux/module.h> |
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#include <linux/sysfs.h> |
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#include <linux/device.h> |
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#include <linux/hid.h> |
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#include <linux/input.h> |
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#include <linux/leds.h> |
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#include <linux/workqueue.h> |
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|
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#include "hid-ids.h" |
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|
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/* Userspace expects F20 for mic-mute KEY_MICMUTE does not work */ |
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#define LENOVO_KEY_MICMUTE KEY_F20 |
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struct lenovo_drvdata { |
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u8 led_report[3]; /* Must be first for proper alignment */ |
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int led_state; |
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struct mutex led_report_mutex; |
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struct led_classdev led_mute; |
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struct led_classdev led_micmute; |
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struct work_struct fn_lock_sync_work; |
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struct hid_device *hdev; |
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int press_to_select; |
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int dragging; |
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int release_to_select; |
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int select_right; |
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int sensitivity; |
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int press_speed; |
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u8 middlebutton_state; /* 0:Up, 1:Down (undecided), 2:Scrolling */ |
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bool fn_lock; |
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}; |
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#define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c)) |
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#define TP10UBKBD_LED_OUTPUT_REPORT 9 |
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#define TP10UBKBD_FN_LOCK_LED 0x54 |
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#define TP10UBKBD_MUTE_LED 0x64 |
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#define TP10UBKBD_MICMUTE_LED 0x74 |
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#define TP10UBKBD_LED_OFF 1 |
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#define TP10UBKBD_LED_ON 2 |
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|
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static int lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code, |
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enum led_brightness value) |
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{ |
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struct lenovo_drvdata *data = hid_get_drvdata(hdev); |
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int ret; |
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mutex_lock(&data->led_report_mutex); |
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data->led_report[0] = TP10UBKBD_LED_OUTPUT_REPORT; |
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data->led_report[1] = led_code; |
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data->led_report[2] = value ? TP10UBKBD_LED_ON : TP10UBKBD_LED_OFF; |
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ret = hid_hw_raw_request(hdev, data->led_report[0], data->led_report, 3, |
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HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); |
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if (ret != 3) { |
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if (ret != -ENODEV) |
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hid_err(hdev, "Set LED output report error: %d\n", ret); |
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ret = ret < 0 ? ret : -EIO; |
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} else { |
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ret = 0; |
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} |
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mutex_unlock(&data->led_report_mutex); |
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return ret; |
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} |
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static void lenovo_tp10ubkbd_sync_fn_lock(struct work_struct *work) |
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{ |
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struct lenovo_drvdata *data = |
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container_of(work, struct lenovo_drvdata, fn_lock_sync_work); |
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lenovo_led_set_tp10ubkbd(data->hdev, TP10UBKBD_FN_LOCK_LED, |
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data->fn_lock); |
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} |
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static const __u8 lenovo_pro_dock_need_fixup_collection[] = { |
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0x05, 0x88, /* Usage Page (Vendor Usage Page 0x88) */ |
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0x09, 0x01, /* Usage (Vendor Usage 0x01) */ |
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0xa1, 0x01, /* Collection (Application) */ |
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0x85, 0x04, /* Report ID (4) */ |
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0x19, 0x00, /* Usage Minimum (0) */ |
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0x2a, 0xff, 0xff, /* Usage Maximum (65535) */ |
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}; |
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static __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
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unsigned int *rsize) |
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{ |
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switch (hdev->product) { |
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case USB_DEVICE_ID_LENOVO_TPPRODOCK: |
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/* the fixups that need to be done: |
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* - get a reasonable usage max for the vendor collection |
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* 0x8801 from the report ID 4 |
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*/ |
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if (*rsize >= 153 && |
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memcmp(&rdesc[140], lenovo_pro_dock_need_fixup_collection, |
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sizeof(lenovo_pro_dock_need_fixup_collection)) == 0) { |
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rdesc[151] = 0x01; |
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rdesc[152] = 0x00; |
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} |
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break; |
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} |
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return rdesc; |
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} |
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static int lenovo_input_mapping_tpkbd(struct hid_device *hdev, |
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struct hid_input *hi, struct hid_field *field, |
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struct hid_usage *usage, unsigned long **bit, int *max) |
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{ |
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if (usage->hid == (HID_UP_BUTTON | 0x0010)) { |
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/* This sub-device contains trackpoint, mark it */ |
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hid_set_drvdata(hdev, (void *)1); |
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map_key_clear(LENOVO_KEY_MICMUTE); |
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return 1; |
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} |
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return 0; |
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} |
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static int lenovo_input_mapping_cptkbd(struct hid_device *hdev, |
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struct hid_input *hi, struct hid_field *field, |
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struct hid_usage *usage, unsigned long **bit, int *max) |
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{ |
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/* HID_UP_LNVENDOR = USB, HID_UP_MSVENDOR = BT */ |
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if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR || |
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(usage->hid & HID_USAGE_PAGE) == HID_UP_LNVENDOR) { |
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switch (usage->hid & HID_USAGE) { |
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case 0x00f1: /* Fn-F4: Mic mute */ |
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map_key_clear(LENOVO_KEY_MICMUTE); |
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return 1; |
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case 0x00f2: /* Fn-F5: Brightness down */ |
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map_key_clear(KEY_BRIGHTNESSDOWN); |
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return 1; |
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case 0x00f3: /* Fn-F6: Brightness up */ |
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map_key_clear(KEY_BRIGHTNESSUP); |
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return 1; |
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case 0x00f4: /* Fn-F7: External display (projector) */ |
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map_key_clear(KEY_SWITCHVIDEOMODE); |
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return 1; |
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case 0x00f5: /* Fn-F8: Wireless */ |
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map_key_clear(KEY_WLAN); |
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return 1; |
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case 0x00f6: /* Fn-F9: Control panel */ |
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map_key_clear(KEY_CONFIG); |
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return 1; |
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case 0x00f8: /* Fn-F11: View open applications (3 boxes) */ |
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map_key_clear(KEY_SCALE); |
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return 1; |
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case 0x00f9: /* Fn-F12: Open My computer (6 boxes) USB-only */ |
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/* NB: This mapping is invented in raw_event below */ |
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map_key_clear(KEY_FILE); |
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return 1; |
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case 0x00fa: /* Fn-Esc: Fn-lock toggle */ |
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map_key_clear(KEY_FN_ESC); |
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return 1; |
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case 0x00fb: /* Middle mouse button (in native mode) */ |
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map_key_clear(BTN_MIDDLE); |
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return 1; |
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} |
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} |
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/* Compatibility middle/wheel mappings should be ignored */ |
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if (usage->hid == HID_GD_WHEEL) |
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return -1; |
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if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON && |
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(usage->hid & HID_USAGE) == 0x003) |
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return -1; |
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if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER && |
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(usage->hid & HID_USAGE) == 0x238) |
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return -1; |
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/* Map wheel emulation reports: 0xffa1 = USB, 0xff10 = BT */ |
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if ((usage->hid & HID_USAGE_PAGE) == 0xff100000 || |
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(usage->hid & HID_USAGE_PAGE) == 0xffa10000) { |
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field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE; |
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field->logical_minimum = -127; |
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field->logical_maximum = 127; |
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switch (usage->hid & HID_USAGE) { |
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case 0x0000: |
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hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); |
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return 1; |
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case 0x0001: |
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hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL); |
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return 1; |
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default: |
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return -1; |
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} |
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} |
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return 0; |
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} |
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static int lenovo_input_mapping_scrollpoint(struct hid_device *hdev, |
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struct hid_input *hi, struct hid_field *field, |
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struct hid_usage *usage, unsigned long **bit, int *max) |
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{ |
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if (usage->hid == HID_GD_Z) { |
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hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); |
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return 1; |
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} |
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return 0; |
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} |
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static int lenovo_input_mapping_tp10_ultrabook_kbd(struct hid_device *hdev, |
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struct hid_input *hi, struct hid_field *field, |
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struct hid_usage *usage, unsigned long **bit, int *max) |
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{ |
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/* |
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* The ThinkPad 10 Ultrabook Keyboard uses 0x000c0001 usage for |
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* a bunch of keys which have no standard consumer page code. |
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*/ |
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if (usage->hid == 0x000c0001) { |
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switch (usage->usage_index) { |
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case 8: /* Fn-Esc: Fn-lock toggle */ |
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map_key_clear(KEY_FN_ESC); |
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return 1; |
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case 9: /* Fn-F4: Mic mute */ |
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map_key_clear(LENOVO_KEY_MICMUTE); |
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return 1; |
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case 10: /* Fn-F7: Control panel */ |
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map_key_clear(KEY_CONFIG); |
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return 1; |
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case 11: /* Fn-F8: Search (magnifier glass) */ |
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map_key_clear(KEY_SEARCH); |
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return 1; |
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case 12: /* Fn-F10: Open My computer (6 boxes) */ |
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map_key_clear(KEY_FILE); |
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return 1; |
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} |
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} |
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/* |
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* The Ultrabook Keyboard sends a spurious F23 key-press when resuming |
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* from suspend and it does not actually have a F23 key, ignore it. |
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*/ |
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if (usage->hid == 0x00070072) |
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return -1; |
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return 0; |
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} |
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static int lenovo_input_mapping_x1_tab_kbd(struct hid_device *hdev, |
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struct hid_input *hi, struct hid_field *field, |
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struct hid_usage *usage, unsigned long **bit, int *max) |
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{ |
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/* |
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* The ThinkPad X1 Tablet Thin Keyboard uses 0x000c0001 usage for |
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* a bunch of keys which have no standard consumer page code. |
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*/ |
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if (usage->hid == 0x000c0001) { |
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switch (usage->usage_index) { |
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case 0: /* Fn-F10: Enable/disable bluetooth */ |
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map_key_clear(KEY_BLUETOOTH); |
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return 1; |
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case 1: /* Fn-F11: Keyboard settings */ |
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map_key_clear(KEY_KEYBOARD); |
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return 1; |
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case 2: /* Fn-F12: User function / Cortana */ |
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map_key_clear(KEY_MACRO1); |
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return 1; |
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case 3: /* Fn-PrtSc: Snipping tool */ |
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map_key_clear(KEY_SELECTIVE_SCREENSHOT); |
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return 1; |
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case 8: /* Fn-Esc: Fn-lock toggle */ |
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map_key_clear(KEY_FN_ESC); |
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return 1; |
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case 9: /* Fn-F4: Mute/unmute microphone */ |
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map_key_clear(KEY_MICMUTE); |
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return 1; |
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case 10: /* Fn-F9: Settings */ |
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map_key_clear(KEY_CONFIG); |
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return 1; |
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case 13: /* Fn-F7: Manage external displays */ |
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map_key_clear(KEY_SWITCHVIDEOMODE); |
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return 1; |
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case 14: /* Fn-F8: Enable/disable wifi */ |
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map_key_clear(KEY_WLAN); |
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return 1; |
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} |
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} |
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if (usage->hid == (HID_UP_KEYBOARD | 0x009a)) { |
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map_key_clear(KEY_SYSRQ); |
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return 1; |
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} |
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return 0; |
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} |
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static int lenovo_input_mapping(struct hid_device *hdev, |
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struct hid_input *hi, struct hid_field *field, |
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struct hid_usage *usage, unsigned long **bit, int *max) |
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{ |
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switch (hdev->product) { |
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case USB_DEVICE_ID_LENOVO_TPKBD: |
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return lenovo_input_mapping_tpkbd(hdev, hi, field, |
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usage, bit, max); |
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case USB_DEVICE_ID_LENOVO_CUSBKBD: |
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case USB_DEVICE_ID_LENOVO_CBTKBD: |
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return lenovo_input_mapping_cptkbd(hdev, hi, field, |
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usage, bit, max); |
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case USB_DEVICE_ID_IBM_SCROLLPOINT_III: |
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case USB_DEVICE_ID_IBM_SCROLLPOINT_PRO: |
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case USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL: |
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case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL: |
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case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO: |
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case USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL: |
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return lenovo_input_mapping_scrollpoint(hdev, hi, field, |
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usage, bit, max); |
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case USB_DEVICE_ID_LENOVO_TP10UBKBD: |
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return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field, |
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usage, bit, max); |
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case USB_DEVICE_ID_LENOVO_X1_TAB: |
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return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max); |
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default: |
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return 0; |
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} |
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} |
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#undef map_key_clear |
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|
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/* Send a config command to the keyboard */ |
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static int lenovo_send_cmd_cptkbd(struct hid_device *hdev, |
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unsigned char byte2, unsigned char byte3) |
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{ |
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int ret; |
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unsigned char *buf; |
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buf = kzalloc(3, GFP_KERNEL); |
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if (!buf) |
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return -ENOMEM; |
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buf[0] = 0x18; |
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buf[1] = byte2; |
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buf[2] = byte3; |
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switch (hdev->product) { |
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case USB_DEVICE_ID_LENOVO_CUSBKBD: |
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ret = hid_hw_raw_request(hdev, 0x13, buf, 3, |
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HID_FEATURE_REPORT, HID_REQ_SET_REPORT); |
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break; |
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case USB_DEVICE_ID_LENOVO_CBTKBD: |
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ret = hid_hw_output_report(hdev, buf, 3); |
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break; |
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default: |
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ret = -EINVAL; |
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break; |
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} |
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kfree(buf); |
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|
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return ret < 0 ? ret : 0; /* BT returns 0, USB returns sizeof(buf) */ |
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} |
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static void lenovo_features_set_cptkbd(struct hid_device *hdev) |
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{ |
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int ret; |
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struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); |
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ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock); |
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if (ret) |
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hid_err(hdev, "Fn-lock setting failed: %d\n", ret); |
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ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity); |
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if (ret) |
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hid_err(hdev, "Sensitivity setting failed: %d\n", ret); |
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} |
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static ssize_t attr_fn_lock_show(struct device *dev, |
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struct device_attribute *attr, |
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char *buf) |
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{ |
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struct hid_device *hdev = to_hid_device(dev); |
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struct lenovo_drvdata *data = hid_get_drvdata(hdev); |
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|
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return snprintf(buf, PAGE_SIZE, "%u\n", data->fn_lock); |
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} |
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static ssize_t attr_fn_lock_store(struct device *dev, |
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struct device_attribute *attr, |
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const char *buf, |
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size_t count) |
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{ |
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struct hid_device *hdev = to_hid_device(dev); |
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struct lenovo_drvdata *data = hid_get_drvdata(hdev); |
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int value, ret; |
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if (kstrtoint(buf, 10, &value)) |
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return -EINVAL; |
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if (value < 0 || value > 1) |
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return -EINVAL; |
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|
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data->fn_lock = !!value; |
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|
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switch (hdev->product) { |
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case USB_DEVICE_ID_LENOVO_CUSBKBD: |
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case USB_DEVICE_ID_LENOVO_CBTKBD: |
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lenovo_features_set_cptkbd(hdev); |
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break; |
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case USB_DEVICE_ID_LENOVO_TP10UBKBD: |
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case USB_DEVICE_ID_LENOVO_X1_TAB: |
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ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value); |
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if (ret) |
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return ret; |
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break; |
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} |
|
|
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return count; |
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} |
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|
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static ssize_t attr_sensitivity_show_cptkbd(struct device *dev, |
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struct device_attribute *attr, |
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char *buf) |
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{ |
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struct hid_device *hdev = to_hid_device(dev); |
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struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); |
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|
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return snprintf(buf, PAGE_SIZE, "%u\n", |
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cptkbd_data->sensitivity); |
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} |
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|
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static ssize_t attr_sensitivity_store_cptkbd(struct device *dev, |
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struct device_attribute *attr, |
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const char *buf, |
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size_t count) |
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{ |
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struct hid_device *hdev = to_hid_device(dev); |
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struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev); |
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int value; |
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|
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if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) |
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return -EINVAL; |
|
|
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cptkbd_data->sensitivity = value; |
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lenovo_features_set_cptkbd(hdev); |
|
|
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return count; |
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} |
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|
|
|
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static struct device_attribute dev_attr_fn_lock = |
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__ATTR(fn_lock, S_IWUSR | S_IRUGO, |
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attr_fn_lock_show, |
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attr_fn_lock_store); |
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|
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static struct device_attribute dev_attr_sensitivity_cptkbd = |
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__ATTR(sensitivity, S_IWUSR | S_IRUGO, |
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attr_sensitivity_show_cptkbd, |
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attr_sensitivity_store_cptkbd); |
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|
|
|
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static struct attribute *lenovo_attributes_cptkbd[] = { |
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&dev_attr_fn_lock.attr, |
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&dev_attr_sensitivity_cptkbd.attr, |
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NULL |
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}; |
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|
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static const struct attribute_group lenovo_attr_group_cptkbd = { |
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.attrs = lenovo_attributes_cptkbd, |
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}; |
|
|
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static int lenovo_raw_event(struct hid_device *hdev, |
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struct hid_report *report, u8 *data, int size) |
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{ |
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/* |
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* Compact USB keyboard's Fn-F12 report holds down many other keys, and |
|
* its own key is outside the usage page range. Remove extra |
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* keypresses and remap to inside usage page. |
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*/ |
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if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD |
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&& size == 3 |
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&& data[0] == 0x15 |
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&& data[1] == 0x94 |
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&& data[2] == 0x01)) { |
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data[1] = 0x00; |
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data[2] = 0x01; |
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} |
|
|
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return 0; |
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} |
|
|
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static int lenovo_event_tp10ubkbd(struct hid_device *hdev, |
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struct hid_field *field, struct hid_usage *usage, __s32 value) |
|
{ |
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struct lenovo_drvdata *data = hid_get_drvdata(hdev); |
|
|
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if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) { |
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/* |
|
* 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). |
|
*/ |
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data->fn_lock = !data->fn_lock; |
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schedule_work(&data->fn_lock_sync_work); |
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} |
|
|
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return 0; |
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} |
|
|
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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); |
|
|
|
/* "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; |
|
} |
|
|
|
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: |
|
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); |
|
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->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); |
|
|
|
/* 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); |
|
|
|
/* 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: |
|
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; |
|
} |
|
|
|
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: |
|
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: |
|
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_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) }, |
|
{ 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, |
|
}; |
|
module_hid_driver(lenovo_driver); |
|
|
|
MODULE_LICENSE("GPL");
|
|
|