// SPDX-License-Identifier: GPL-2.0-or-later /* * Apple "Magic" Wireless Mouse driver * * Copyright (c) 2010 Michael Poole <[email protected]> * Copyright (c) 2010 Chase Douglas <[email protected]> */ /* */ #define pr_fmt(fmt) … #include <linux/device.h> #include <linux/hid.h> #include <linux/input/mt.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/workqueue.h> #include "hid-ids.h" static bool emulate_3button = …; module_param(emulate_3button, bool, 0644); MODULE_PARM_DESC(…) …; static int middle_button_start = …; static int middle_button_stop = …; static bool emulate_scroll_wheel = …; module_param(emulate_scroll_wheel, bool, 0644); MODULE_PARM_DESC(…) …; static unsigned int scroll_speed = …; static int param_set_scroll_speed(const char *val, const struct kernel_param *kp) { … } module_param_call(…); MODULE_PARM_DESC(…) …; static bool scroll_acceleration = …; module_param(scroll_acceleration, bool, 0644); MODULE_PARM_DESC(…) …; static bool report_undeciphered; module_param(report_undeciphered, bool, 0644); MODULE_PARM_DESC(…) …; #define TRACKPAD2_2021_BT_VERSION … #define TRACKPAD_REPORT_ID … #define TRACKPAD2_USB_REPORT_ID … #define TRACKPAD2_BT_REPORT_ID … #define MOUSE_REPORT_ID … #define MOUSE2_REPORT_ID … #define DOUBLE_REPORT_ID … #define USB_BATTERY_TIMEOUT_MS … /* These definitions are not precise, but they're close enough. (Bits * 0x03 seem to indicate the aspect ratio of the touch, bits 0x70 seem * to be some kind of bit mask -- 0x20 may be a near-field reading, * and 0x40 is actual contact, and 0x10 may be a start/stop or change * indication.) */ #define TOUCH_STATE_MASK … #define TOUCH_STATE_NONE … #define TOUCH_STATE_START … #define TOUCH_STATE_DRAG … /* Number of high-resolution events for each low-resolution detent. */ #define SCROLL_HR_STEPS … #define SCROLL_HR_MULT … #define SCROLL_HR_THRESHOLD … #define SCROLL_ACCEL_DEFAULT … /* Touch surface information. Dimension is in hundredths of a mm, min and max * are in units. */ #define MOUSE_DIMENSION_X … #define MOUSE_MIN_X … #define MOUSE_MAX_X … #define MOUSE_RES_X … #define MOUSE_DIMENSION_Y … #define MOUSE_MIN_Y … #define MOUSE_MAX_Y … #define MOUSE_RES_Y … #define TRACKPAD_DIMENSION_X … #define TRACKPAD_MIN_X … #define TRACKPAD_MAX_X … #define TRACKPAD_RES_X … #define TRACKPAD_DIMENSION_Y … #define TRACKPAD_MIN_Y … #define TRACKPAD_MAX_Y … #define TRACKPAD_RES_Y … #define TRACKPAD2_DIMENSION_X … #define TRACKPAD2_MIN_X … #define TRACKPAD2_MAX_X … #define TRACKPAD2_RES_X … #define TRACKPAD2_DIMENSION_Y … #define TRACKPAD2_MIN_Y … #define TRACKPAD2_MAX_Y … #define TRACKPAD2_RES_Y … /** * struct magicmouse_sc - Tracks Magic Mouse-specific data. * @input: Input device through which we report events. * @quirks: Currently unused. * @ntouches: Number of touches in most recent touch report. * @scroll_accel: Number of consecutive scroll motions. * @scroll_jiffies: Time of last scroll motion. * @touches: Most recent data for a touch, indexed by tracking ID. * @tracking_ids: Mapping of current touch input data to @touches. * @hdev: Pointer to the underlying HID device. * @work: Workqueue to handle initialization retry for quirky devices. * @battery_timer: Timer for obtaining battery level information. */ struct magicmouse_sc { … }; static int magicmouse_firm_touch(struct magicmouse_sc *msc) { … } static void magicmouse_emit_buttons(struct magicmouse_sc *msc, int state) { … } static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tdata) { … } static int magicmouse_raw_event(struct hid_device *hdev, struct hid_report *report, u8 *data, int size) { … } static int magicmouse_event(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value) { … } static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hdev) { … } static int magicmouse_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { … } static int magicmouse_input_configured(struct hid_device *hdev, struct hid_input *hi) { … } static int magicmouse_enable_multitouch(struct hid_device *hdev) { … } static void magicmouse_enable_mt_work(struct work_struct *work) { … } static int magicmouse_fetch_battery(struct hid_device *hdev) { … } static void magicmouse_battery_timer_tick(struct timer_list *t) { … } static int magicmouse_probe(struct hid_device *hdev, const struct hid_device_id *id) { … } static void magicmouse_remove(struct hid_device *hdev) { … } static __u8 *magicmouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { … } static const struct hid_device_id magic_mice[] = …; MODULE_DEVICE_TABLE(hid, magic_mice); static struct hid_driver magicmouse_driver = …; module_hid_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux