| // 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 |
| */ |
| u8 middlebutton_state; |
| bool fn_lock; |
| bool middleclick_workaround_cptkbd; |
| }; |
| |
| #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 const __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: |
| case USB_DEVICE_ID_LENOVO_X1_TAB3: |
| 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 sysfs_emit(buf, "%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: |
| case USB_DEVICE_ID_LENOVO_X1_TAB3: |
| 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 sysfs_emit(buf, "%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 ssize_t attr_middleclick_workaround_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 sysfs_emit(buf, "%u\n", |
| cptkbd_data->middleclick_workaround_cptkbd); |
| } |
| |
| static ssize_t attr_middleclick_workaround_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)) |
| return -EINVAL; |
| if (value < 0 || value > 1) |
| return -EINVAL; |
| |
| cptkbd_data->middleclick_workaround_cptkbd = !!value; |
| |
| 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 device_attribute dev_attr_middleclick_workaround_cptkbd = |
| __ATTR(middleclick_workaround, S_IWUSR | S_IRUGO, |
| attr_middleclick_workaround_show_cptkbd, |
| attr_middleclick_workaround_store_cptkbd); |
| |
| |
| static struct attribute *lenovo_attributes_cptkbd[] = { |
| &dev_attr_fn_lock.attr, |
| &dev_attr_sensitivity_cptkbd.attr, |
| &dev_attr_middleclick_workaround_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->middleclick_workaround_cptkbd) { |
| /* "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: |
| case USB_DEVICE_ID_LENOVO_X1_TAB3: |
| 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 sysfs_emit(buf, "%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 sysfs_emit(buf, "%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 sysfs_emit(buf, "%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 sysfs_emit(buf, "%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 sysfs_emit(buf, "%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 sysfs_emit(buf, "%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: |
| case USB_DEVICE_ID_LENOVO_X1_TAB3: |
| 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; |
| cptkbd_data->middleclick_workaround_cptkbd = true; |
| lenovo_features_set_cptkbd(hdev); |
| |
| ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd); |
| if (ret) |
| hid_warn(hdev, "Could not create sysfs group: %d\n", ret); |
| |
| return 0; |
| } |
| |
| static 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: |
| case USB_DEVICE_ID_LENOVO_X1_TAB3: |
| 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: |
| case USB_DEVICE_ID_LENOVO_X1_TAB3: |
| 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) }, |
| { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, |
| USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB3) }, |
| { } |
| }; |
| |
| 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_DESCRIPTION("HID driver for IBM/Lenovo"); |
| MODULE_LICENSE("GPL"); |