1 /* 2 Simple DirectMedia Layer 3 Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> 4 5 This software is provided 'as-is', without any express or implied 6 warranty. In no event will the authors be held liable for any damages 7 arising from the use of this software. 8 9 Permission is granted to anyone to use this software for any purpose, 10 including commercial applications, and to alter it and redistribute it 11 freely, subject to the following restrictions: 12 13 1. The origin of this software must not be misrepresented; you must not 14 claim that you wrote the original software. If you use this software 15 in a product, an acknowledgment in the product documentation would be 16 appreciated but is not required. 17 2. Altered source versions must be plainly marked as such, and must not be 18 misrepresented as being the original software. 19 3. This notice may not be removed or altered from any source distribution. 20 */ 21 22 #include <linux/input.h> 23 24 struct SDL_joylist_item; 25 26 /* The private structure used to keep track of a joystick */ 27 struct joystick_hwdata 28 { 29 int fd; 30 struct SDL_joylist_item *item; 31 SDL_JoystickGUID guid; 32 char *fname; /* Used in haptic subsystem */ 33 34 /* The current Linux joystick driver maps hats to two axes */ 35 struct hwdata_hat 36 { 37 int axis[2]; 38 } *hats; 39 /* The current Linux joystick driver maps balls to two axes */ 40 struct hwdata_ball 41 { 42 int axis[2]; 43 } *balls; 44 45 /* Support for the Linux 2.4 unified input interface */ 46 Uint8 key_map[KEY_MAX - BTN_MISC]; 47 Uint8 abs_map[ABS_MAX]; 48 struct axis_correct 49 { 50 int used; 51 int coef[3]; 52 } abs_correct[ABS_MAX]; 53 54 int fresh; 55 }; 56 57 /* vi: set ts=4 sw=4 expandtab: */ 58