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/*

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Routines for standard PC style keyboards accessible via I/O ports.

 *

 * Copyright (C) 1998, 1999 by Ralf Baechle

 */

#include <linux/ioport.h>

#include <linux/sched.h>

#include <linux/pc_keyb.h>

#include <asm/keyboard.h>

#include <asm/io.h>

#define KEYBOARD_IRQ 1

#define AUX_IRQ 12

static void std_kbd_request_region(void)

{

        request_region(0x60, 16, "keyboard");

}

static int std_kbd_request_irq(void (*handler)(int, void *, struct pt_regs *))

{

        return request_irq(KEYBOARD_IRQ, handler, 0, "keyboard", NULL);

}

static int std_aux_request_irq(void (*handler)(int, void *, struct pt_regs *))

{

        return request_irq(AUX_IRQ, handler, 0, "PS/2 Mouse", NULL);

}

static void std_aux_free_irq(void)

{

        free_irq(AUX_IRQ, NULL);

}

static unsigned char std_kbd_read_input(void)

{

        return inb(KBD_DATA_REG);

}

static void std_kbd_write_output(unsigned char val)

{

        int status;

        do {

                status = inb(KBD_CNTL_REG);

        } while (status & KBD_STAT_IBF);

        outb(val, KBD_DATA_REG);

}

static void std_kbd_write_command(unsigned char val)

{

        int status;

        do {

                status = inb(KBD_CNTL_REG);

        } while (status & KBD_STAT_IBF);

        outb(val, KBD_CNTL_REG);

}

static unsigned char std_kbd_read_status(void)

{

        return inb(KBD_STATUS_REG);

}

struct kbd_ops std_kbd_ops = {

        std_kbd_request_region,

        std_kbd_request_irq,

        std_aux_request_irq,

        std_aux_free_irq,

        std_kbd_read_input,

        std_kbd_write_output,

        std_kbd_write_command,

        std_kbd_read_status

};