/*
* Copyright (c) LSE
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY LSE AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL LSE BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef K_KSTD_H_
#define K_KSTD_H_

#include <k/types.h>

typedef s32 ssize_t;
typedef s32 off_t;

struct melody {
	unsigned long freq;
	unsigned long duration;
};

/*
** constants
*/

/* console */
enum e_cons_codes {
	CONS_ESCAPE = 255,
	CONS_CLEAR = 1,
	CONS_COLOR = 2,
	CONS_SETX = 3,
	CONS_SETY = 4,
	CONS_BLACK = 0,
	CONS_BLUE = 1,
	CONS_GREEN = 2,
	CONS_CYAN = 3,
	CONS_RED = 4,
	CONS_MAGENTA = 5,
	CONS_YELLOW = 6,
	CONS_WHITE = 7,
	CONS_BLINK = (1 << 7),
	CONS_LIGHT = (1 << 3)
};

#define CONS_FRONT(Color)	(Color)
#define CONS_BACK(Color)	(Color << 4)

/* keyboard */
enum e_kbd_codes {
	KEY_ESC = 1,
	KEY_F1 = 59,
	KEY_F2 = 60,
	KEY_F3 = 61,
	KEY_F4 = 62,
	KEY_F5 = 63,
	KEY_F6 = 64,
	KEY_F7 = 65,
	KEY_F8 = 66,
	KEY_f9 = 67,
	KEY_F10 = 68,
	KEY_F11 = 87,
	KEY_F12 = 88,
	KEY_1 = 2,
	KEY_2 = 3,
	KEY_3 = 4,
	KEY_4 = 5,
	KEY_5 = 6,
	KEY_6 = 7,
	KEY_7 = 8,
	KEY_8 = 9,
	KEY_9 = 10,
	KEY_0 = 11,
	KEY_TAB = 15,
	KEY_MAJLOCK = 58,
	KEY_LSHIFT = 42,
	KEY_RSHIFT = 54,
	KEY_ALT = 56,
	KEY_SPACE = 57,
	KEY_CTRL = 29,
	KEY_ENTER = 28,
	KEY_BACKSPACE = 14,
	KEY_LEFT = 75,
	KEY_RIGHT = 77,
	KEY_UP = 72,
	KEY_DOWN = 80,
	KEY_PAUSE = 69,
	KEY_SYST = 55,
	KEY_INSER = 82,
	KEY_SUPPR = 83,
};

enum e_k_mode {
	KEY_PRESSED,
	KEY_RELEASED,
};

/* mouse */
enum e_mouse_codes {
	BUTTON_LEFT = 1,
	BUTTON_RIGHT = 2
};

/* misc */
#define O_RDONLY	0
#define SEEK_SET	0
#define SEEK_CUR	1
#define SEEK_END	2
#define VIDEO_GRAPHIC	0
#define VIDEO_TEXT	1

/*
** syscalls
*/

#define SYSCALL_WRITE			1
#define SYSCALL_SBRK			2
#define SYSCALL_GETKEY			3
#define SYSCALL_GETTICK			4
#define SYSCALL_OPEN			5
#define SYSCALL_READ			6
#define SYSCALL_SEEK			7
#define SYSCALL_CLOSE			8
#define SYSCALL_SETVIDEO		9
#define SYSCALL_SWAP_FRONTBUFFER	10
#define SYSCALL_PLAYSOUND		11
#define SYSCALL_SETPALETTE		12

#define SYSCALL_GETMOUSE		13
#define NR_SYSCALL			(SYSCALL_GETMOUSE + 1)

#define ENOMEM				1 /* Not enough space */
#define ENOENT				2 /* No such file or directory */
#define EIO				3 /* I/O error */
#define EINVAL				4 /* Invalid argument */
#define ENOSYS				5 /* Invalid system call number */
#define EBADF				6 /* fd is not an open file descriptor */
#define EAGAIN				7 /* Temporary unavailable */

#endif				/* !KSTD_H_ */