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/*
* Copyright (C) 2023 Free Software Foundation, Inc.
*
* This file is part of GNU Mach.
*
* GNU Mach 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, 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _DEVICE_INPUT_H
#define _DEVICE_INPUT_H
#include <mach/boolean.h>
#include <mach/time_value.h>
/*
* Ioctl's have the command encoded in the lower word, and the size of
* any in or out parameters in the upper word. The high 3 bits of the
* upper word are used to encode the in/out status of the parameter.
*/
#define IOCPARM_MASK 0x1fff /* parameter length, at most 13 bits */
#define IOC_VOID 0x20000000 /* no parameters */
#define IOC_OUT 0x40000000 /* copy out parameters */
#define IOC_IN 0x80000000U /* copy in parameters */
#define IOC_INOUT (IOC_IN|IOC_OUT)
#define _IOC(inout,group,num,len) \
(inout | ((len & IOCPARM_MASK) << 16) | ((group) << 8) | (num))
#define _IO(g,n) _IOC(IOC_VOID, (g), (n), 0)
#define _IOR(g,n,t) _IOC(IOC_OUT, (g), (n), sizeof(t))
#define _IOW(g,n,t) _IOC(IOC_IN, (g), (n), sizeof(t))
#define _IOWR(g,n,t) _IOC(IOC_INOUT, (g), (n), sizeof(t))
typedef uint8_t Scancode;
typedef uint16_t kev_type; /* kd event type */
/* (used for event records) */
struct mouse_motion {
short mm_deltaX; /* units? */
short mm_deltaY;
};
typedef struct {
kev_type type; /* see below */
/*
* This is not used anymore but is kept for backwards compatibility.
* Note the use of rpc_time_value to ensure compatibility for a 64 bit kernel and
* 32 bit user land.
*/
struct rpc_time_value unused_time; /* timestamp*/
union { /* value associated with event */
boolean_t up; /* MOUSE_LEFT .. MOUSE_RIGHT */
Scancode sc; /* KEYBD_EVENT */
struct mouse_motion mmotion; /* MOUSE_MOTION */
} value;
} kd_event;
#define m_deltaX mmotion.mm_deltaX
#define m_deltaY mmotion.mm_deltaY
/*
* kd_event ID's.
*/
#define MOUSE_LEFT 1 /* mouse left button up/down */
#define MOUSE_MIDDLE 2
#define MOUSE_RIGHT 3
#define MOUSE_MOTION 4 /* mouse motion */
#define KEYBD_EVENT 5 /* key up/down */
/* Keyboard ioctls */
/*
* KDSKBDMODE - When the console is in "ascii" mode, keyboard events are
* converted to Ascii characters that are readable from /dev/console.
* When the console is in "event" mode, keyboard events are
* timestamped and queued up on /dev/kbd as kd_events. When the last
* close is done on /dev/kbd, the console automatically reverts to ascii
* mode.
* When /dev/mouse is opened, mouse events are timestamped and queued
* on /dev/mouse, again as kd_events.
*
* KDGKBDTYPE - Returns the type of keyboard installed. Currently
* there is only one type, KB_VANILLAKB, which is your standard PC-AT
* keyboard.
*/
#define KDSKBDMODE _IOW('K', 1, int) /* set keyboard mode */
#define KB_EVENT 1
#define KB_ASCII 2
#define KDGKBDTYPE _IOR('K', 2, int) /* get keyboard type */
#define KB_VANILLAKB 0
#define KDSETLEDS _IOW('K', 5, int) /* set the keyboard ledstate */
#endif /* _DEVICE_INPUT_H */
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