104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
#ifndef _INIT_KEYB_H_
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#define _INIT_KEYB_H_
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/*
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* Keyboard Controller Registers
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*
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* NOTE: These are offsets from pcikbd_iobase, not absolute.
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*/
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#define KBD_STATUS_REG 0x64
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#define KBD_CNTL_REG KBD_STATUS_REG
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#define KBD_DATA_REG 0x60
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/*
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* Keyboard Controller Commands
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*/
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#define KBD_CCMD_READ_MODE 0x20 /* Read mode bits */
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#define KBD_CCMD_WRITE_MODE 0x60 /* Write mode bits */
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#define KBD_CCMD_GET_VERSION 0xA1 /* Get controller version */
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#define KBD_CCMD_MOUSE_DISABLE 0xA7 /* Disable mouse interface */
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#define KBD_CCMD_MOUSE_ENABLE 0xA8 /* Enable mouse interface */
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#define KBD_CCMD_TEST_MOUSE 0xA9 /* Mouse interface test */
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#define KBD_CCMD_SELF_TEST 0xAA /* Controller self test */
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#define KBD_CCMD_KBD_TEST 0xAB /* Keyboard interface test */
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#define KBD_CCMD_KBD_DISABLE 0xAD /* Keyboard interface disable */
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#define KBD_CCMD_KBD_ENABLE 0xAE /* Keyboard interface enable */
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#define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */
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/*
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* Keyboard Commands
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*/
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#define KBD_CMD_SET_LEDS 0xED /* Set keyboard leds */
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#define KBD_CMD_ECHO 0xEE /* Echo */
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#define KBD_CMD_READ_ID 0xF2 /* Get keyboard ID */
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#define KBD_CMD_SET_RATE 0xF3 /* Set typematic rate */
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#define KBD_CMD_ENABLE 0xF4 /* Enable scanning */
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#define KBD_CMD_DISABLE 0xF5 /* Disable scanning */
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#define KBD_CMD_RESET 0xFF /* Reset */
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/*
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* Keyboard Replies
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*/
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#define KBD_REPLY_POR 0xAA /* Power on reset */
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#define KBD_REPLY_ACK 0xFA /* Command ACK */
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#define KBD_REPLY_RESEND 0xFE /* Command NACK, send the cmd again */
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/*
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* Status Register Bits
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*/
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#define KBD_STAT_OBF 0x01 /* Keyboard output buffer full */
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#define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */
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#define KBD_STAT_SELFTEST 0x04 /* Self test successful */
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#define KBD_STAT_CMD 0x08 /* Last write was a command write (0=data) */
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#define KBD_STAT_UNLOCKED 0x10 /* Zero if keyboard locked */
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#define KBD_STAT_MOUSE_OBF 0x20 /* Mouse output buffer full */
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#define KBD_STAT_GTO 0x40 /* General receive/xmit timeout */
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#define KBD_STAT_PERR 0x80 /* Parity error */
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#define AUX_STAT_OBF (KBD_STAT_OBF | KBD_STAT_MOUSE_OBF)
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/*
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* Controller Mode Register Bits
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*/
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#define KBD_MODE_KBD_INT 0x01 /* Keyboard data generage IRQ1 */
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#define KBD_MODE_MOUSE_INT 0x02 /* Mouse data generate IRQ12 */
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#define KBD_MODE_SYS 0x04 /* The system flag (?) */
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#define KBD_MODE_NO_KEYLOCK 0x08 /* The keylock doesn't affect the keyboard if set */
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#define KBD_MODE_DISABLE_KBD 0x10 /* Disable keyboard interface */
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#define KBD_MODE_DISABLE_MOUSE 0x20 /* Disable mouse interface */
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#define KBD_MODE_KCC 0x40 /* Scan code conversion to PC format */
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#define KBD_MODE_RFU 0x80
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/*
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* Mouse Commands
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*/
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#define AUX_SET_RES 0xE8 /* Set resolution */
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#define AUX_SET_SCALE11 0xE6 /* Set 1:1 scaling */
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#define AUX_SET_SCALE21 0xE7 /* Set 2:1 scaling */
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#define AUX_GET_SCALE 0xE9 /* Get scaling factor */
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#define AUX_SET_STREAM 0xEA /* Set stream mode */
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#define AUX_SET_SAMPLE 0xF3 /* Set sample rate */
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#define AUX_ENABLE_DEV 0xF4 /* Enable aux device */
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#define AUX_DISABLE_DEV 0xF5 /* Disable aux device */
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#define AUX_RESET 0xFF /* Reset aux device */
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#define KBD_INIT_TIMEOUT 1000 /* Timeout in ms for initializing the keyboard */
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#define KBC_TIMEOUT 250 /* Timeout in ms for sending to keyboard controller */
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#define KBD_TIMEOUT 1000 /* Timeout in ms for keyboard command acknowledge */
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/* How to access the keyboard macros on this platform. */
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#define kbd_read_input() inb(KBD_DATA_REG)
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#define kbd_read_status() inb(KBD_STATUS_REG)
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#define kbd_write_output(val) outb(val, KBD_DATA_REG)
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#define kbd_write_command(val) outb(val, KBD_CNTL_REG)
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#define KBD_NO_DATA (-1) /* No data */
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#define KBD_BAD_DATA (-2) /* Parity or other error */
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#endif
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