keyboard.c File Reference

#include <console/console.h>
#include <pc80/keyboard.h>
#include <device/device.h>
#include <arch/io.h>
#include <delay.h>
#include <types.h>
#include <acpi/acpi.h>

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Macros
#define	KBD_DATA   0x60
#define	KBD_COMMAND   0x64
#define	KBD_STATUS   0x64
#define	KBD_IBF   (1 << 1)
#define	KBD_OBF   (1 << 0)
#define	KBC_CMD_READ_COMMAND   0x20
#define	KBC_CMD_WRITE_COMMAND   0x60
#define	KBC_CMD_AUX_ENABLE   0xA8
#define	KBC_CMD_AUX_TEST   0xA9
#define	KBC_CMD_SELF_TEST   0xAA
#define	KBC_CMD_KBD_TEST   0xAB
#define	KBC_REPLY_SELFTEST_OK   0x55
#define	KBD_REPLY_POR   0xAA
#define	KBD_REPLY_ACK   0xFA
#define	KBD_REPLY_RESEND   0xFE
#define	KBC_TIMEOUT_IN_MS   400

Functions
static int	kbc_input_buffer_empty (void)
static int	kbc_output_buffer_full (void)
static int	kbc_cleanup_buffers (void)
static enum cb_err	kbc_self_test (uint8_t probe_aux, uint8_t *aux_probe_result)
static u8	send_keyboard (u8 command)
uint8_t	pc_keyboard_init (uint8_t probe_aux)
void	set_kbc_ps2_mode (void)

Macro Definition Documentation

KBC_CMD_AUX_ENABLE

#define KBC_CMD_AUX_ENABLE   0xA8

Definition at line 20 of file keyboard.c.

KBC_CMD_AUX_TEST

#define KBC_CMD_AUX_TEST   0xA9

Definition at line 21 of file keyboard.c.

KBC_CMD_KBD_TEST

#define KBC_CMD_KBD_TEST   0xAB

Definition at line 23 of file keyboard.c.

KBC_CMD_READ_COMMAND

#define KBC_CMD_READ_COMMAND   0x20

Definition at line 18 of file keyboard.c.

KBC_CMD_SELF_TEST

#define KBC_CMD_SELF_TEST   0xAA

Definition at line 22 of file keyboard.c.

KBC_CMD_WRITE_COMMAND

#define KBC_CMD_WRITE_COMMAND   0x60

Definition at line 19 of file keyboard.c.

KBC_REPLY_SELFTEST_OK

#define KBC_REPLY_SELFTEST_OK   0x55

Definition at line 39 of file keyboard.c.

KBC_TIMEOUT_IN_MS

#define KBC_TIMEOUT_IN_MS   400

Definition at line 49 of file keyboard.c.

KBD_COMMAND

#define KBD_COMMAND   0x64

Definition at line 12 of file keyboard.c.

KBD_DATA

#define KBD_DATA   0x60

Definition at line 11 of file keyboard.c.

KBD_IBF

#define KBD_IBF   (1 << 1)

Definition at line 14 of file keyboard.c.

KBD_OBF

#define KBD_OBF   (1 << 0)

Definition at line 15 of file keyboard.c.

KBD_REPLY_ACK

#define KBD_REPLY_ACK   0xFA

Definition at line 45 of file keyboard.c.

KBD_REPLY_POR

#define KBD_REPLY_POR   0xAA

Definition at line 44 of file keyboard.c.

KBD_REPLY_RESEND

#define KBD_REPLY_RESEND   0xFE

Definition at line 46 of file keyboard.c.

KBD_STATUS

#define KBD_STATUS   0x64

Definition at line 13 of file keyboard.c.

Function Documentation

kbc_cleanup_buffers()

static int kbc_cleanup_buffers ( void  )

static

Definition at line 79 of file keyboard.c.

References BIOS_ERR, inb(), KBC_TIMEOUT_IN_MS, KBD_DATA, KBD_IBF, KBD_OBF, KBD_STATUS, mdelay(), and printk.

Referenced by pc_keyboard_init(), and set_kbc_ps2_mode().

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kbc_input_buffer_empty()

static int kbc_input_buffer_empty ( void  )

static

Definition at line 51 of file keyboard.c.

References BIOS_WARNING, inb(), KBC_TIMEOUT_IN_MS, KBD_IBF, KBD_STATUS, mdelay(), and printk.

Referenced by pc_keyboard_init(), send_keyboard(), and set_kbc_ps2_mode().

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kbc_output_buffer_full()

static int kbc_output_buffer_full ( void  )

static

Definition at line 65 of file keyboard.c.

References BIOS_INFO, inb(), KBC_TIMEOUT_IN_MS, KBD_OBF, KBD_STATUS, mdelay(), and printk.

Referenced by pc_keyboard_init(), and send_keyboard().

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kbc_self_test()

static enum cb_err kbc_self_test ( uint8_t  probe_aux, uint8_t *  aux_probe_result  )

static

Definition at line 79 of file keyboard.c.

Referenced by pc_keyboard_init(), and set_kbc_ps2_mode().

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pc_keyboard_init()

uint8_t pc_keyboard_init

(

uint8_t

probe_aux

)

Definition at line 229 of file keyboard.c.

References acpi_is_wakeup_s3(), BIOS_DEBUG, BIOS_ERR, BIOS_INFO, CB_KBD_INTERFACE_FAILURE, CB_SUCCESS, CONFIG, inb(), kbc_cleanup_buffers(), kbc_input_buffer_empty(), kbc_output_buffer_full(), kbc_self_test(), KBD_COMMAND, KBD_DATA, KBD_REPLY_ACK, KBD_REPLY_RESEND, outb(), printk, and send_keyboard().

Referenced by ast2400_init(), ene932_init(), ene_kb3940q_init(), f71808a_init(), f71863fg_init(), f71869ad_init(), f81803a_init(), f81865f_init(), f81866d_init(), init(), it8518_init(), it8613e_init(), it8623e_init(), it8712f_init(), it8720f_init(), it8728f_init(), it8772f_init(), it8783ef_init(), it8786e_init(), kbc1100_init(), lpc47m10x_init(), lpc47m15x_init(), lpc47n227_init(), m3885x_init(), mainboard_enable(), mainboard_init(), mec1308_init(), merlin_init(), nct5539d_init(), nct5572d_init(), nct6776_init(), nct6779d_init(), nct6791d_init(), npcd378_init(), qemu_nb_init(), sch5545_init(), w83627ehg_init(), w83627hf_init(), and wilco_ec_init().

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send_keyboard()

static u8 send_keyboard ( u8  command )

static

Definition at line 197 of file keyboard.c.

References BIOS_ERR, inb(), kbc_input_buffer_empty(), kbc_output_buffer_full(), KBD_DATA, KBD_REPLY_RESEND, outb(), and printk.

Referenced by pc_keyboard_init().

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set_kbc_ps2_mode()

void set_kbc_ps2_mode

(

void

)

Definition at line 351 of file keyboard.c.

References CB_KBD_INTERFACE_FAILURE, CB_SUCCESS, kbc_cleanup_buffers(), kbc_input_buffer_empty(), kbc_self_test(), KBD_COMMAND, KBD_DATA, NULL, and outb().

Referenced by it8712f_init(), it8728f_init(), it8772f_init(), and m3885x_init().

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