LCOM1920-T7G03.old1

#ifndef _LCOM_I8042_H_

#define _LCOM_I8042_H_

#include <lcom/lcf.h>

/** @defgroup i8042 i8042

 * @{

 *

 * Constants for programming the i8042 Keyboard.

 */

//#define KEYBOARD_IRQ 0x09 /* Keyboard IRQ address */

//#define BIT(n) (0x01<<(n))

#define DELAY_US        20000

#define STAT_REG_PAR                  BIT(7)  /* Parity Error */

#define STAT_REG_TIMEOUT        BIT(6)  /* Timeout Error */

#define STAT_REG_AUX                  BIT(5)  /* Mouse Data */

#define STAT_REG_INH                  BIT(4)  /* Inhibit Flag */

#define STAT_REG_A2       BIT(3)  /* A2 Input Line */

#define STAT_REG_SYS                  BIT(2)  /* System Flag */

#define STAT_REG_IBF                   BIT(1)  /* Input Buffer Full */

#define STAT_REG_OBF                  BIT(0)  /* Output Buffer Full */

#define READ_COMMAND        0x20   /* Returns Command Byte */

#define OUTPUT_BUF         0x60    /* Output Buffer */

#define INPUT_BUF          0x60    /* Input Buffer */

#define STATUS_REG         0x64    /* Status Register */

#define KBC_CMD_REG        0x64    /* Command Register */

#define INT_ENABLE         BIT(0) /*enable interrupt on OBF, from keyboard*/

#define KBC_CMD_ARG        0x60    /* Command Arguments Adress */

#define ESC_BREAK           0x81

#define TWO_BYTE_SCANCODE   0xE0  /* Two-byte long scancodes use 0xE0 as their first byte */

#define MAKE_CODE           BIT(7)

#endif /* _LCOM_I8042_H */