freezer: don't unnecessarily set PF_NOFREEZE explicitly
[linux-2.6.git] / drivers / input / input-compat.h
blob22be27b424def00dbd8cc0167439b508b2564b78
1 #ifndef _INPUT_COMPAT_H
2 #define _INPUT_COMPAT_H
4 /*
5 * 32bit compatibility wrappers for the input subsystem.
7 * Very heavily based on evdev.c - Copyright (c) 1999-2002 Vojtech Pavlik
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.
14 #include <linux/compiler.h>
15 #include <linux/compat.h>
16 #include <linux/input.h>
18 #ifdef CONFIG_COMPAT
20 /* Note to the author of this code: did it ever occur to
21 you why the ifdefs are needed? Think about it again. -AK */
22 #if defined(CONFIG_X86_64) || defined(CONFIG_TILE)
23 # define INPUT_COMPAT_TEST is_compat_task()
24 #elif defined(CONFIG_S390)
25 # define INPUT_COMPAT_TEST test_thread_flag(TIF_31BIT)
26 #elif defined(CONFIG_MIPS)
27 # define INPUT_COMPAT_TEST test_thread_flag(TIF_32BIT_ADDR)
28 #else
29 # define INPUT_COMPAT_TEST test_thread_flag(TIF_32BIT)
30 #endif
32 struct input_event_compat {
33 struct compat_timeval time;
34 __u16 type;
35 __u16 code;
36 __s32 value;
39 struct ff_periodic_effect_compat {
40 __u16 waveform;
41 __u16 period;
42 __s16 magnitude;
43 __s16 offset;
44 __u16 phase;
46 struct ff_envelope envelope;
48 __u32 custom_len;
49 compat_uptr_t custom_data;
52 struct ff_effect_compat {
53 __u16 type;
54 __s16 id;
55 __u16 direction;
56 struct ff_trigger trigger;
57 struct ff_replay replay;
59 union {
60 struct ff_constant_effect constant;
61 struct ff_ramp_effect ramp;
62 struct ff_periodic_effect_compat periodic;
63 struct ff_condition_effect condition[2]; /* One for each axis */
64 struct ff_rumble_effect rumble;
65 } u;
68 static inline size_t input_event_size(void)
70 return INPUT_COMPAT_TEST ?
71 sizeof(struct input_event_compat) : sizeof(struct input_event);
74 #else
76 static inline size_t input_event_size(void)
78 return sizeof(struct input_event);
81 #endif /* CONFIG_COMPAT */
83 int input_event_from_user(const char __user *buffer,
84 struct input_event *event);
86 int input_event_to_user(char __user *buffer,
87 const struct input_event *event);
89 int input_ff_effect_from_user(const char __user *buffer, size_t size,
90 struct ff_effect *effect);
92 #endif /* _INPUT_COMPAT_H */