/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef _INPUT_MT_H #define _INPUT_MT_H /* * Input Multitouch Library * * Copyright (c) 2010 Henrik Rydberg */ #include #define TRKID_MAX 0xffff #define INPUT_MT_POINTER 0x0001 /* pointer device, e.g. trackpad */ #define INPUT_MT_DIRECT 0x0002 /* direct device, e.g. touchscreen */ #define INPUT_MT_DROP_UNUSED 0x0004 /* drop contacts not seen in frame */ #define INPUT_MT_TRACK 0x0008 /* use in-kernel tracking */ #define INPUT_MT_SEMI_MT 0x0010 /* semi-mt device, finger count handled manually */ /** * struct input_mt_slot - represents the state of an input MT slot * @abs: holds current values of ABS_MT axes for this slot * @frame: last frame at which input_mt_report_slot_state() was called * @key: optional driver designation of this slot */ struct input_mt_slot { int abs[ABS_MT_LAST - ABS_MT_FIRST + 1]; unsigned int frame; unsigned int key; }; /** * struct input_mt - state of tracked contacts * @trkid: stores MT tracking ID for the next contact * @num_slots: number of MT slots the device uses * @slot: MT slot currently being transmitted * @flags: input_mt operation flags * @frame: increases every time input_mt_sync_frame() is called * @red: reduced cost matrix for in-kernel tracking * @slots: array of slots holding current values of tracked contacts */ struct input_mt { int trkid; int num_slots; int slot; unsigned int flags; unsigned int frame; int *red; struct input_mt_slot slots[]; }; static inline void input_mt_set_value(struct input_mt_slot *slot, unsigned code, int value) { slot->abs[code - ABS_MT_FIRST] = value; } static inline int input_mt_get_value(const struct input_mt_slot *slot, unsigned code) { return slot->abs[code - ABS_MT_FIRST]; } static inline bool input_mt_is_active(const struct input_mt_slot *slot) { return input_mt_get_value(slot, ABS_MT_TRACKING_ID) >= 0; } static inline bool input_mt_is_used(const struct input_mt *mt, const struct input_mt_slot *slot) { return slot->frame == mt->frame; } int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots, unsigned int flags); void input_mt_destroy_slots(struct input_dev *dev); static inline int input_mt_new_trkid(struct input_mt *mt) { return mt->trkid++ & TRKID_MAX; } static inline void input_mt_slot(struct input_dev *dev, int slot) { input_event(dev, EV_ABS, ABS_MT_SLOT, slot); } static inline bool input_is_mt_value(int axis) { return axis >= ABS_MT_FIRST && axis <= ABS_MT_LAST; } static inline bool input_is_mt_axis(int axis) { return axis == ABS_MT_SLOT || input_is_mt_value(axis); } bool input_mt_report_slot_state(struct input_dev *dev, unsigned int tool_type, bool active); void input_mt_report_finger_count(struct input_dev *dev, int count); void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count); void input_mt_drop_unused(struct input_dev *dev); void input_mt_sync_frame(struct input_dev *dev); /** * struct input_mt_pos - contact position * @x: horizontal coordinate * @y: vertical coordinate */ struct input_mt_pos { s16 x, y; }; int input_mt_assign_slots(struct input_dev *dev, int *slots, const struct input_mt_pos *pos, int num_pos, int dmax); int input_mt_get_slot_by_key(struct input_dev *dev, int key); #endif ='linux-3.7.y'>linux-3.7.y Hosts the 0x221E linux distro kernel.Ubuntu
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path: root/include/acpi/acbuffer.h
AgeCommit message (Expand)Author
2021-06-07ACPICA: Add _PLD panel positionsFabian Wüthrich
2021-01-22ACPICA: Updated all copyrights to 2021Bob Moore
2020-01-13ACPICA: All acpica: Update copyrights to 2020 Including tool signons.Bob Moore
2019-01-15ACPICA: All acpica: Update copyrights to 2019Bob Moore
2018-03-18ACPICA: adding SPDX headersErik Schmauss
2018-02-06ACPICA: All acpica: Update copyrights to 2018Bob Moore
2017-02-09ACPICA: Source tree: Update copyright notices to 2017Bob Moore
2016-01-15ACPICA: Additional 2016 copyright changesBob Moore
2015-08-25ACPICA: Disassembler: Remove duplicate code in _PLD processing.Bob Moore
2015-02-05ACPICA: Update Copyright headers to 2015David E. Box
2014-11-28ACPICA: iASL: Add support for to_PLD macro.Bob Moore
2014-03-18ACPICA: Revert "Headers: Deploy #pragma pack (push) and (pop)."Robert Moore
2014-02-27ACPICA: Headers: Deploy #pragma pack (push) and (pop).Bob Moore
2014-02-11ACPICA: Update ACPICA copyrights to 2014.Bob Moore
2013-01-25ACPICA: Update ACPICA copyrights to 2013Bob Moore
2012-09-21ACPICA: Add struct header support for _FDE, _GRT, _GTM, and _SRT names.Bob Moore
2012-09-21ACPICA: Add support for complex _PLD buffers.Bob Moore