12d56f3a3SPhilip Langdale #ifndef _INPUT_COMPAT_H 22d56f3a3SPhilip Langdale #define _INPUT_COMPAT_H 32d56f3a3SPhilip Langdale 42d56f3a3SPhilip Langdale /* 52d56f3a3SPhilip Langdale * 32bit compatibility wrappers for the input subsystem. 62d56f3a3SPhilip Langdale * 72d56f3a3SPhilip Langdale * Very heavily based on evdev.c - Copyright (c) 1999-2002 Vojtech Pavlik 82d56f3a3SPhilip Langdale * 92d56f3a3SPhilip Langdale * This program is free software; you can redistribute it and/or modify it 102d56f3a3SPhilip Langdale * under the terms of the GNU General Public License version 2 as published by 112d56f3a3SPhilip Langdale * the Free Software Foundation. 122d56f3a3SPhilip Langdale */ 132d56f3a3SPhilip Langdale 142d56f3a3SPhilip Langdale #include <linux/compiler.h> 152d56f3a3SPhilip Langdale #include <linux/compat.h> 162d56f3a3SPhilip Langdale #include <linux/input.h> 172d56f3a3SPhilip Langdale 182d56f3a3SPhilip Langdale #ifdef CONFIG_COMPAT 192d56f3a3SPhilip Langdale 202d56f3a3SPhilip Langdale struct input_event_compat { 21*152194feSDeepa Dinamani compat_ulong_t sec; 22*152194feSDeepa Dinamani compat_ulong_t usec; 232d56f3a3SPhilip Langdale __u16 type; 242d56f3a3SPhilip Langdale __u16 code; 252d56f3a3SPhilip Langdale __s32 value; 262d56f3a3SPhilip Langdale }; 272d56f3a3SPhilip Langdale 282d56f3a3SPhilip Langdale struct ff_periodic_effect_compat { 292d56f3a3SPhilip Langdale __u16 waveform; 302d56f3a3SPhilip Langdale __u16 period; 312d56f3a3SPhilip Langdale __s16 magnitude; 322d56f3a3SPhilip Langdale __s16 offset; 332d56f3a3SPhilip Langdale __u16 phase; 342d56f3a3SPhilip Langdale 352d56f3a3SPhilip Langdale struct ff_envelope envelope; 362d56f3a3SPhilip Langdale 372d56f3a3SPhilip Langdale __u32 custom_len; 382d56f3a3SPhilip Langdale compat_uptr_t custom_data; 392d56f3a3SPhilip Langdale }; 402d56f3a3SPhilip Langdale 412d56f3a3SPhilip Langdale struct ff_effect_compat { 422d56f3a3SPhilip Langdale __u16 type; 432d56f3a3SPhilip Langdale __s16 id; 442d56f3a3SPhilip Langdale __u16 direction; 452d56f3a3SPhilip Langdale struct ff_trigger trigger; 462d56f3a3SPhilip Langdale struct ff_replay replay; 472d56f3a3SPhilip Langdale 482d56f3a3SPhilip Langdale union { 492d56f3a3SPhilip Langdale struct ff_constant_effect constant; 502d56f3a3SPhilip Langdale struct ff_ramp_effect ramp; 512d56f3a3SPhilip Langdale struct ff_periodic_effect_compat periodic; 522d56f3a3SPhilip Langdale struct ff_condition_effect condition[2]; /* One for each axis */ 532d56f3a3SPhilip Langdale struct ff_rumble_effect rumble; 542d56f3a3SPhilip Langdale } u; 552d56f3a3SPhilip Langdale }; 562d56f3a3SPhilip Langdale 572d56f3a3SPhilip Langdale static inline size_t input_event_size(void) 582d56f3a3SPhilip Langdale { 59b8b4ead1SAndrew Morton return (in_compat_syscall() && !COMPAT_USE_64BIT_TIME) ? 602d56f3a3SPhilip Langdale sizeof(struct input_event_compat) : sizeof(struct input_event); 612d56f3a3SPhilip Langdale } 622d56f3a3SPhilip Langdale 632d56f3a3SPhilip Langdale #else 642d56f3a3SPhilip Langdale 652d56f3a3SPhilip Langdale static inline size_t input_event_size(void) 662d56f3a3SPhilip Langdale { 672d56f3a3SPhilip Langdale return sizeof(struct input_event); 682d56f3a3SPhilip Langdale } 692d56f3a3SPhilip Langdale 702d56f3a3SPhilip Langdale #endif /* CONFIG_COMPAT */ 712d56f3a3SPhilip Langdale 722d56f3a3SPhilip Langdale int input_event_from_user(const char __user *buffer, 732d56f3a3SPhilip Langdale struct input_event *event); 742d56f3a3SPhilip Langdale 752d56f3a3SPhilip Langdale int input_event_to_user(char __user *buffer, 762d56f3a3SPhilip Langdale const struct input_event *event); 772d56f3a3SPhilip Langdale 782d56f3a3SPhilip Langdale int input_ff_effect_from_user(const char __user *buffer, size_t size, 792d56f3a3SPhilip Langdale struct ff_effect *effect); 802d56f3a3SPhilip Langdale 812d56f3a3SPhilip Langdale #endif /* _INPUT_COMPAT_H */ 82