input.h

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#ifndef _INPUT_H
#define _INPUT_H

/*
 * $Id: input.h,v 1.13 2000/05/29 10:54:53 vojtech Exp $
 *
 *  Copyright (c) 1999-2000 Vojtech Pavlik
 *
 *  Sponsored by SuSE
 */

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or 
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 * 
 * Should you need to contact me, the author, you can do so either by
 * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
 * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
 */

#ifdef __KERNEL__
#include <linux/time.h>
#else
#include <sys/time.h>
#include <sys/ioctl.h>
#endif

/*
 * The event structure itself
 */

struct input_event {
        struct timeval time;
        unsigned short type;
        unsigned short code;
        unsigned int value;
};

/*
 * Protocol version.
 */

#define EV_VERSION              0x010000

/*
 * IOCTLs (0x00 - 0x7f)
 */

#define EVIOCGVERSION           _IOR('E', 0x01, int)                    /* get driver version */
#define EVIOCGID                _IOR('E', 0x02, short[4])               /* get device ID */
#define EVIOCGREP               _IOR('E', 0x03, int[2])                 /* get repeat settings */
#define EVIOCSREP               _IOW('E', 0x03, int[2])                 /* get repeat settings */
#define EVIOCGKEYCODE           _IOR('E', 0x04, int[2])                 /* get keycode */
#define EVIOCSKEYCODE           _IOW('E', 0x04, int[2])                 /* set keycode */
#define EVIOCGKEY               _IOR('E', 0x05, int[2])                 /* get key value */
#define EVIOCGNAME(len)         _IOC(_IOC_READ, 'E', 0x06, len)         /* get device name */

#define EVIOCGBIT(ev,len)       _IOC(_IOC_READ, 'E', 0x20 + ev, len)    /* get event bits */
#define EVIOCGABS(abs)          _IOR('E', 0x40 + abs, int[5])           /* get abs value/limits */ 

/*
 * Event types
 */

#define EV_RST                  0x00
#define EV_KEY                  0x01
#define EV_REL                  0x02
#define EV_ABS                  0x03
#define EV_LED                  0x11
#define EV_SND                  0x12
#define EV_REP                  0x14
#define EV_MAX                  0x1f

/*
 * Keys and buttons
 */

#define KEY_RESERVED            0               
#define KEY_ESC                 1               
#define KEY_1                   2               
#define KEY_2                   3               
#define KEY_3                   4               
#define KEY_4                   5               
#define KEY_5                   6               
#define KEY_6                   7               
#define KEY_7                   8               
#define KEY_8                   9               
#define KEY_9                   10              
#define KEY_0                   11              
#define KEY_MINUS               12              
#define KEY_EQUAL               13              
#define KEY_BACKSPACE           14              
#define KEY_TAB                 15              
#define KEY_Q                   16              
#define KEY_W                   17              
#define KEY_E                   18              
#define KEY_R                   19              
#define KEY_T                   20              
#define KEY_Y                   21              
#define KEY_U                   22              
#define KEY_I                   23              
#define KEY_O                   24              
#define KEY_P                   25              
#define KEY_LEFTBRACE           26              
#define KEY_RIGHTBRACE          27              
#define KEY_ENTER               28              
#define KEY_LEFTCTRL            29              
#define KEY_A                   30              
#define KEY_S                   31              
#define KEY_D                   32              
#define KEY_F                   33              
#define KEY_G                   34              
#define KEY_H                   35              
#define KEY_J                   36              
#define KEY_K                   37              
#define KEY_L                   38              
#define KEY_SEMICOLON           39              
#define KEY_APOSTROPHE          40              
#define KEY_GRAVE               41              
#define KEY_LEFTSHIFT           42              
#define KEY_BACKSLASH           43              
#define KEY_Z                   44              
#define KEY_X                   45              
#define KEY_C                   46              
#define KEY_V                   47              
#define KEY_B                   48              
#define KEY_N                   49              
#define KEY_M                   50              
#define KEY_COMMA               51              
#define KEY_DOT                 52              
#define KEY_SLASH               53              
#define KEY_RIGHTSHIFT          54              
#define KEY_KPASTERISK          55              
#define KEY_LEFTALT             56              
#define KEY_SPACE               57              
#define KEY_CAPSLOCK            58              
#define KEY_F1                  59              
#define KEY_F2                  60              
#define KEY_F3                  61              
#define KEY_F4                  62              
#define KEY_F5                  63              
#define KEY_F6                  64              
#define KEY_F7                  65              
#define KEY_F8                  66              
#define KEY_F9                  67              
#define KEY_F10                 68              
#define KEY_NUMLOCK             69              
#define KEY_SCROLLLOCK          70              
#define KEY_KP7                 71              
#define KEY_KP8                 72              
#define KEY_KP9                 73              
#define KEY_KPMINUS             74              
#define KEY_KP4                 75              
#define KEY_KP5                 76              
#define KEY_KP6                 77              
#define KEY_KPPLUS              78              
#define KEY_KP1                 79              
#define KEY_KP2                 80              
#define KEY_KP3                 81              
#define KEY_KP0                 82              
#define KEY_KPDOT               83              
#define KEY_103RD               84
#define KEY_F13                 85              
#define KEY_102ND               86              
#define KEY_F11                 87              
#define KEY_F12                 88              
#define KEY_F14                 89              
#define KEY_F15                 90              
#define KEY_F16                 91              
#define KEY_F17                 92              
#define KEY_F18                 93              
#define KEY_F19                 94              
#define KEY_F20                 95              
#define KEY_KPENTER             96              
#define KEY_RIGHTCTRL           97              
#define KEY_KPSLASH             98              
#define KEY_SYSRQ               99              
#define KEY_RIGHTALT            100             
#define KEY_LINEFEED            101             
#define KEY_HOME                102             
#define KEY_UP                  103             
#define KEY_PAGEUP              104             
#define KEY_LEFT                105             
#define KEY_RIGHT               106             
#define KEY_END                 107             
#define KEY_DOWN                108             
#define KEY_PAGEDOWN            109             
#define KEY_INSERT              110             
#define KEY_DELETE              111             
#define KEY_MACRO               112             
#define KEY_MUTE                113             
#define KEY_VOLUMEDOWN          114             
#define KEY_VOLUMEUP            115             
#define KEY_POWER               116             
#define KEY_KPEQUAL             117             
#define KEY_KPPLUSMINUS         118             
#define KEY_PAUSE               119             
#define KEY_F21                 120             
#define KEY_F22                 121             
#define KEY_F23                 122             
#define KEY_F24                 123             
#define KEY_KPCOMMA             124
#define KEY_LEFTMETA            125             
#define KEY_RIGHTMETA           126             
#define KEY_COMPOSE             127             

#define KEY_STOP                128             
#define KEY_AGAIN               129             
#define KEY_PROPS               130             
#define KEY_UNDO                131             
#define KEY_FRONT               132             
#define KEY_COPY                133             
#define KEY_OPEN                134             
#define KEY_PASTE               135             
#define KEY_FIND                136             
#define KEY_CUT                 137             
#define KEY_HELP                138             
#define KEY_MENU                139             
#define KEY_CALC                140             
#define KEY_SETUP               141             
#define KEY_SLEEP               142             
#define KEY_WAKEUP              143             
#define KEY_FILE                144             
#define KEY_SENDFILE            145             
#define KEY_DELETEFILE          146             
#define KEY_XFER                147             
#define KEY_PROG1               148             
#define KEY_PROG2               149             
#define KEY_WWW                 150             
#define KEY_MSDOS               151             
#define KEY_COFFEE              152             
#define KEY_DIRECTION           153             
#define KEY_CYCLEWINDOWS        154             
#define KEY_MAIL                155
#define KEY_BOOKMARKS           156
#define KEY_COMPUTER            157
#define KEY_BACK                158
#define KEY_FORWARD             159
#define KEY_CLOSECD             160             
#define KEY_EJECTCD             161             
#define KEY_EJECTCLOSECD        162             
#define KEY_NEXTSONG            163             
#define KEY_PLAYPAUSE           164             
#define KEY_PREVIOUSSONG        165             
#define KEY_STOPCD              166             
#define KEY_RECORD              167             
#define KEY_REWIND              168             
#define KEY_PHONE               169

#define KEY_CONFIG              171
#define KEY_HOMEPAGE            172
#define KEY_REFRESH             173
#define KEY_EXIT                174
#define KEY_MOVE                175
#define KEY_EDIT                176
#define KEY_SCROLLUP            177
#define KEY_SCROLLDOWN          178
#define KEY_KPLEFTPAREN         179
#define KEY_KPRIGHTPAREN        180

#define KEY_INTL1               181
#define KEY_INTL2               182
#define KEY_INTL3               183
#define KEY_INTL4               184
#define KEY_INTL5               185
#define KEY_INTL6               186
#define KEY_INTL7               187
#define KEY_INTL8               188
#define KEY_INTL9               189
#define KEY_LANG1               190
#define KEY_LANG2               191
#define KEY_LANG3               192
#define KEY_LANG4               193
#define KEY_LANG5               194
#define KEY_LANG6               195
#define KEY_LANG7               196
#define KEY_LANG8               197
#define KEY_LANG9               198

#define KEY_UNKNOWN             200

#define BTN_MISC                0x100
#define BTN_0                   0x100
#define BTN_1                   0x101
#define BTN_2                   0x102
#define BTN_3                   0x103
#define BTN_4                   0x104
#define BTN_5                   0x105
#define BTN_6                   0x106
#define BTN_7                   0x107
#define BTN_8                   0x108
#define BTN_9                   0x109

#define BTN_MOUSE               0x110
#define BTN_LEFT                0x110
#define BTN_RIGHT               0x111
#define BTN_MIDDLE              0x112
#define BTN_SIDE                0x113
#define BTN_EXTRA               0x114
#define BTN_FORWARD             0x115
#define BTN_BACK                0x116

#define BTN_JOYSTICK            0x120
#define BTN_TRIGGER             0x120
#define BTN_THUMB               0x121
#define BTN_THUMB2              0x122
#define BTN_TOP                 0x123
#define BTN_TOP2                0x124
#define BTN_PINKIE              0x125
#define BTN_BASE                0x126
#define BTN_BASE2               0x127
#define BTN_BASE3               0x128
#define BTN_BASE4               0x129
#define BTN_BASE5               0x12a
#define BTN_BASE6               0x12b

#define BTN_GAMEPAD             0x130
#define BTN_A                   0x130
#define BTN_B                   0x131
#define BTN_C                   0x132
#define BTN_X                   0x133
#define BTN_Y                   0x134
#define BTN_Z                   0x135
#define BTN_TL                  0x136
#define BTN_TR                  0x137
#define BTN_TL2                 0x138
#define BTN_TR2                 0x139
#define BTN_SELECT              0x13a
#define BTN_START               0x13b
#define BTN_MODE                0x13c

#define BTN_DIGI                0x140
#define BTN_TOOL_PEN            0x140
#define BTN_TOOL_RUBBER         0x141
#define BTN_TOOL_BRUSH          0x142
#define BTN_TOOL_PENCIL         0x143
#define BTN_TOOL_AIRBRUSH       0x144
#define BTN_TOOL_FINGER         0x145
#define BTN_TOOL_MOUSE          0x146
#define BTN_TOOL_LENS           0x147
#define BTN_TOUCH               0x14a
#define BTN_STYLUS              0x14b
#define BTN_STYLUS2             0x14c

#define KEY_MAX                 0x1ff

/*
 * Relative axes
 */

#define REL_X                   0x00
#define REL_Y                   0x01
#define REL_Z                   0x02
#define REL_HWHEEL              0x06
#define REL_DIAL                0x07
#define REL_WHEEL               0x08
#define REL_MISC                0x09
#define REL_MAX                 0x0f

/*
 * Absolute axes
 */

#define ABS_X                   0x00
#define ABS_Y                   0x01
#define ABS_Z                   0x02
#define ABS_RX                  0x03
#define ABS_RY                  0x04
#define ABS_RZ                  0x05
#define ABS_THROTTLE            0x06
#define ABS_RUDDER              0x07
#define ABS_TL                  0x08
#define ABS_TR                  0x09
#define ABS_HAT0X               0x10
#define ABS_HAT0Y               0x11
#define ABS_HAT1X               0x12
#define ABS_HAT1Y               0x13
#define ABS_HAT2X               0x14
#define ABS_HAT2Y               0x15
#define ABS_HAT3X               0x16
#define ABS_HAT3Y               0x17
#define ABS_PRESSURE            0x18
#define ABS_DISTANCE            0x19
#define ABS_TILT_X              0x1a
#define ABS_TILT_Y              0x1b
#define ABS_MISC                0x1c
#define ABS_MAX                 0x1f

/*
 * LEDs
 */

#define LED_NUML                0x00
#define LED_CAPSL               0x01
#define LED_SCROLLL             0x02
#define LED_COMPOSE             0x03
#define LED_KANA                0x04
#define LED_MAX                 0x0f

/*
 * Autorepeat values
 */

#define REP_DELAY               0x00
#define REP_PERIOD              0x01
#define REP_MAX                 0x01

/*
 * Sounds
 */

#define SND_CLICK               0x00
#define SND_BELL                0x01
#define SND_MAX                 0x07

/*
 * IDs.
 */

#define ID_BUS                  0
#define ID_VENDOR               1
#define ID_PRODUCT              2
#define ID_VERSION              3

#define BUS_PCI                 0x01
#define BUS_ISAPNP              0x02
#define BUS_USB                 0x03

#define BUS_ISA                 0x10
#define BUS_I8042               0x11
#define BUS_XTKBD               0x12
#define BUS_RS232               0x13
#define BUS_GAMEPORT            0x14
#define BUS_PARPORT             0x15
#define BUS_AMIGA               0x16
#define BUS_ADB                 0x17

#ifdef __KERNEL__

/*
 * In-kernel definitions.
 */

#include <linux/sched.h>
#include <linux/devfs_fs_kernel.h>

#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
#define BIT(x)  (1UL<<((x)%BITS_PER_LONG))
#define LONG(x) ((x)/BITS_PER_LONG)

struct input_dev {

        void *private;

        int number;
        char *name;
        unsigned short idbus;
        unsigned short idvendor;
        unsigned short idproduct;
        unsigned short idversion;

        unsigned long evbit[NBITS(EV_MAX)];
        unsigned long keybit[NBITS(KEY_MAX)];
        unsigned long relbit[NBITS(REL_MAX)];
        unsigned long absbit[NBITS(ABS_MAX)];
        unsigned long ledbit[NBITS(LED_MAX)];
        unsigned long sndbit[NBITS(SND_MAX)];

        unsigned int keycodemax;
        unsigned int keycodesize;
        void *keycode;

        unsigned int repeat_key;
        struct timer_list timer;

        int abs[ABS_MAX + 1];
        int rep[REP_MAX + 1];

        unsigned long key[NBITS(KEY_MAX)];
        unsigned long led[NBITS(LED_MAX)];
        unsigned long snd[NBITS(SND_MAX)];
        
        int absmax[ABS_MAX + 1];
        int absmin[ABS_MAX + 1];
        int absfuzz[ABS_MAX + 1];
        int absflat[ABS_MAX + 1];

        int (*open)(struct input_dev *dev);
        void (*close)(struct input_dev *dev);
        int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);

        struct input_handle *handle;
        struct input_dev *next;
};

struct input_handler {

        void *private;

        void (*event)(struct input_handle *handle, unsigned int type, unsigned int code, int value);
        struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev);
        void (*disconnect)(struct input_handle *handle);

        struct file_operations *fops;
        int minor;

        struct input_handle *handle;
        struct input_handler *next;
};

struct input_handle {

        void *private;

        int open;
        
        struct input_dev *dev;
        struct input_handler *handler;

        struct input_handle *dnext;
        struct input_handle *hnext;
};

void input_register_device(struct input_dev *);
void input_unregister_device(struct input_dev *);

void input_register_handler(struct input_handler *);
void input_unregister_handler(struct input_handler *);

int input_open_device(struct input_handle *);
void input_close_device(struct input_handle *);

devfs_handle_t input_register_minor(char *name, int minor, int minor_base);
void input_unregister_minor(devfs_handle_t handle);

void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);

#define input_report_key(a,b,c) input_event(a, EV_KEY, b, !!(c))
#define input_report_rel(a,b,c) input_event(a, EV_REL, b, c)
#define input_report_abs(a,b,c) input_event(a, EV_ABS, b, c)

#endif
#endif

---