diff options
| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2011-01-16 16:21:04 -0500 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2011-01-16 16:21:04 -0500 |
| commit | f652f6c5b7cfdf139f4155d78f397e99ae1c4acc (patch) | |
| tree | 71c6344688bf56ea6aaf18c586ab69ff4f077ade /include/linux/input/mt.h | |
| parent | 140e3008e7fe1526cbb12f8f07dbc273ac713b75 (diff) | |
| parent | c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5 (diff) | |
Merge branch 'master' of /pub/scm/linux/kernel/git/jejb/scsi-post-merge-2.6 into for-linus
Diffstat (limited to 'include/linux/input/mt.h')
| -rw-r--r-- | include/linux/input/mt.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h new file mode 100644 index 000000000000..b3ac06a4435d --- /dev/null +++ b/include/linux/input/mt.h | |||
| @@ -0,0 +1,57 @@ | |||
| 1 | #ifndef _INPUT_MT_H | ||
| 2 | #define _INPUT_MT_H | ||
| 3 | |||
| 4 | /* | ||
| 5 | * Input Multitouch Library | ||
| 6 | * | ||
| 7 | * Copyright (c) 2010 Henrik Rydberg | ||
| 8 | * | ||
| 9 | * This program is free software; you can redistribute it and/or modify it | ||
| 10 | * under the terms of the GNU General Public License version 2 as published by | ||
| 11 | * the Free Software Foundation. | ||
| 12 | */ | ||
| 13 | |||
| 14 | #include <linux/input.h> | ||
| 15 | |||
| 16 | #define TRKID_MAX 0xffff | ||
| 17 | |||
| 18 | /** | ||
| 19 | * struct input_mt_slot - represents the state of an input MT slot | ||
| 20 | * @abs: holds current values of ABS_MT axes for this slot | ||
| 21 | */ | ||
| 22 | struct input_mt_slot { | ||
| 23 | int abs[ABS_MT_LAST - ABS_MT_FIRST + 1]; | ||
| 24 | }; | ||
| 25 | |||
| 26 | static inline void input_mt_set_value(struct input_mt_slot *slot, | ||
| 27 | unsigned code, int value) | ||
| 28 | { | ||
| 29 | slot->abs[code - ABS_MT_FIRST] = value; | ||
| 30 | } | ||
| 31 | |||
| 32 | static inline int input_mt_get_value(const struct input_mt_slot *slot, | ||
| 33 | unsigned code) | ||
| 34 | { | ||
| 35 | return slot->abs[code - ABS_MT_FIRST]; | ||
| 36 | } | ||
| 37 | |||
| 38 | int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots); | ||
| 39 | void input_mt_destroy_slots(struct input_dev *dev); | ||
| 40 | |||
| 41 | static inline int input_mt_new_trkid(struct input_dev *dev) | ||
| 42 | { | ||
| 43 | return dev->trkid++ & TRKID_MAX; | ||
| 44 | } | ||
| 45 | |||
| 46 | static inline void input_mt_slot(struct input_dev *dev, int slot) | ||
| 47 | { | ||
| 48 | input_event(dev, EV_ABS, ABS_MT_SLOT, slot); | ||
| 49 | } | ||
| 50 | |||
| 51 | void input_mt_report_slot_state(struct input_dev *dev, | ||
| 52 | unsigned int tool_type, bool active); | ||
| 53 | |||
| 54 | void input_mt_report_finger_count(struct input_dev *dev, int count); | ||
| 55 | void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count); | ||
| 56 | |||
| 57 | #endif | ||
