#ifndef _INPUT_H
#define _INPUT_H

/*
 * $Id: input.h,v 1.34 2001/05/28 09:06:44 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>
#include <asm/types.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 EVIOCGBUS               _IOR('E', 0x07, short[4])               /* get bus address */

#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 */

#define EVIOCSFF                _IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect))   /* send a force effect to a force feedback device */
#define EVIOCRMFF               _IOW('E', 0x81, int)                    /* Erase a force effect */
#define EVIOCSGAIN              _IOW('E', 0x82, unsigned short)         /* Set overall gain */
#define EVIOCSAUTOCENTER        _IOW('E', 0x83, unsigned short)         /* Enable or disable auto-centering */
#define EVIOCGEFFECTS           _IOR('E', 0x84, int)                    /* Report number of effects playable at the same time */

/*
 * Event types
 */

#define EV_RST                  0x00
#define EV_KEY                  0x01
#define EV_REL                  0x02
#define EV_ABS                  0x03
#define EV_MSC                  0x04
#define EV_LED                  0x11
#define EV_SND                  0x12
#define EV_REP                  0x14
#define EV_FF                   0x15
#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_ISO                 170
#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_PLAYCD              200
#define KEY_PAUSECD             201
#define KEY_PROG3               202
#define KEY_PROG4               203
#define KEY_SUSPEND             205
#define KEY_CLOSE               206

#define KEY_UNKNOWN             220

#define KEY_BRIGHTNESSDOWN      224
#define KEY_BRIGHTNESSUP        225

#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_DEAD                0x12f

#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_THUMBL              0x13d
#define BTN_THUMBR              0x13e

#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_WHEEL               0x08
#define ABS_GAS                 0x09
#define ABS_BRAKE               0x0a
#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

/*
 * Misc events
 */

#define MSC_SERIAL              0x00
#define MSC_PULSELED            0x01
#define MSC_MAX                 0x07

/*
 * LEDs
 */

#define LED_NUML                0x00
#define LED_CAPSL               0x01
#define LED_SCROLLL             0x02
#define LED_COMPOSE             0x03
#define LED_KANA                0x04
#define LED_SLEEP               0x05
#define LED_SUSPEND             0x06
#define LED_MUTE                0x07
#define LED_MISC                0x08
#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_HIL                 0x04
#define BUS_BLUETOOTH           0x05

#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
#define BUS_I2C                 0x18

/*
 * Structures used in ioctls to upload effects to a device
 * The first structures are not passed directly by using ioctls.
 * They are sub-structures of the actually sent structure (called ff_effect)
 */

struct ff_replay {
        __u16 length;           /* Duration of an effect */
        __u16 delay;            /* Time to wait before to start playing an effect */
};

struct ff_trigger {
        __u16 button;           /* Number of button triggering an effect */
        __u16 interval;         /* Time to wait before an effect can be re-triggered */
};

struct ff_shape {
        __u16 attack_length;    /* Duration of attack */
        __s16 attack_level;     /* Level at beginning of attack */
        __u16 fade_length;      /* Duration of fade */
        __s16 fade_level;       /* Level at end of fade */
};

/* FF_CONSTANT */
struct ff_constant_effect {
        __s16 level;            /* Strength of effect */
        __u16 direction;        /* Direction of effect (see periodic effects) */
        struct ff_shape shape;
};

/* FF_SPRING of FF_FRICTION */
struct ff_interactive_effect {
/* Axis along which effect must be created. If null, the field named direction
 * is used
 * It is a bit array (ie to enable axes X and Y, use BIT(ABS_X) | BIT(ABS_Y)
 */
        __u16 axis;
        __u16 direction;

        __s16 right_saturation; /* Max level when joystick is on the right */
        __s16 left_saturation;  /* Max level when joystick in on the left */

        __s16 right_coeff;      /* Indicates how fast the force grows when the
                                   joystick moves to the right */
        __s16 left_coeff;       /* Same for left side */

        __u16 deadband;         /* Size of area where no force is produced */
        __s16 center;           /* Position of dead dead zone */

};

/* FF_PERIODIC */
struct ff_periodic_effect {
        __u16 waveform;         /* Kind of wave (sine, square...) */
        __u16 period;
        __s16 magnitude;        /* Peak value */
        __s16 offset;           /* Mean value of wave (roughly) */
        __u16 phase;            /* 'Horizontal' shift */
        __u16 direction;        /* Direction. 0 deg -> 0x0000
                                             90 deg -> 0x4000 */

        struct ff_shape shape;
};

/*
 * Structure sent through ioctl from the application to the driver
 */
struct ff_effect {
        __u16 type;
/* Following field denotes the unique id assigned to an effect.
 * It is set by the driver.
 */
        __s16 id;

        struct ff_trigger trigger;
        struct ff_replay replay;

        union {
                struct ff_constant_effect constant;
                struct ff_periodic_effect periodic;
                struct ff_interactive_effect interactive;
        } u;
};

/*
 * Buttons that can trigger effects.  Use for example FF_BTN(BTN_TRIGGER) to
 * access the bitmap.
 */

#define FF_BTN(x)       ((x) - BTN_MISC + FF_BTN_OFFSET)
#define FF_BTN_OFFSET   0x00

/*
 * Force feedback axis mappings. Use FF_ABS() to access the bitmap.
 */

#define FF_ABS(x)       ((x) + FF_ABS_OFFSET)
#define FF_ABS_OFFSET   0x40

/*
 * Force feedback effect types
 */

#define FF_RUMBLE       0x50
#define FF_PERIODIC     0x51
#define FF_CONSTANT     0x52
#define FF_SPRING       0x53
#define FF_FRICTION     0x54

/*
 * Force feedback periodic effect types
 */

#define FF_SQUARE       0x58
#define FF_TRIANGLE     0x59
#define FF_SINE         0x5a
#define FF_SAW_UP       0x5b
#define FF_SAW_DOWN     0x5c
#define FF_CUSTOM       0x5d

/*
 * Set ff device properties
 */

#define FF_GAIN         0x60
#define FF_AUTOCENTER   0x61

#define FF_MAX          0x7f

#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 mscbit[NBITS(MSC_MAX)];
        unsigned long ledbit[NBITS(LED_MAX)];
        unsigned long sndbit[NBITS(SND_MAX)];
        unsigned long ffbit[NBITS(FF_MAX)];
        int ff_effects_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);
        int (*upload_effect)(struct input_dev *dev, struct ff_effect *effect);
        int (*erase_effect)(struct input_dev *dev, int effect_id);

        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