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Diffstat (limited to 'device/input.h')
| -rw-r--r-- | device/input.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/device/input.h b/device/input.h new file mode 100644 index 00000000..9de73a30 --- /dev/null +++ b/device/input.h @@ -0,0 +1,106 @@ +/* + * 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 */ |