include/asm-ppc64/keyboard.h

/*
 *  linux/include/asm-ppc/keyboard.h
 *
 *  Created 3 Nov 1996 by Geert Uytterhoeven
 *  Modified for Power Macintosh by Paul Mackerras
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

/*
 * This file contains the ppc architecture specific keyboard definitions -
 * like the intel pc for prep systems, different for power macs.
 */

#ifndef __ASMPPC64_KEYBOARD_H
#define __ASMPPC64_KEYBOARD_H

#ifdef __KERNEL__

#include <linux/adb.h>
#include <asm/machdep.h>

#include <linux/kernel.h>
#include <linux/ioport.h>
#include <linux/kd.h>
#include <asm/io.h>

#define KEYBOARD_IRQ			1
#define DISABLE_KBD_DURING_INTERRUPTS	0
#define INIT_KBD

static inline int kbd_setkeycode(unsigned int scancode, unsigned int keycode)
{
	if ( ppc_md.kbd_setkeycode )
		return ppc_md.kbd_setkeycode(scancode, keycode);
	else
		return 0;
}
  
static inline int kbd_getkeycode(unsigned int scancode)
{
	if ( ppc_md.kbd_getkeycode )
		return ppc_md.kbd_getkeycode(scancode);
	else
		return 0;
}
  
static inline int kbd_translate(unsigned char keycode, unsigned char *keycodep,
				char raw_mode)
{
	if ( ppc_md.kbd_translate )
		return ppc_md.kbd_translate(keycode, keycodep, raw_mode);
	else
		return 0;
}
  
static inline int kbd_unexpected_up(unsigned char keycode)
{
	if ( ppc_md.kbd_unexpected_up )
		return ppc_md.kbd_unexpected_up(keycode);
	else
		return 0;
}
  
static inline void kbd_leds(unsigned char leds)
{
	if ( ppc_md.kbd_leds )
		ppc_md.kbd_leds(leds);
}

static inline void kbd_init_hw(void)
{
	if ( ppc_md.kbd_init_hw )
		ppc_md.kbd_init_hw();
}

#define kbd_sysrq_xlate	(ppc_md.ppc_kbd_sysrq_xlate)

extern unsigned long SYSRQ_KEY;
#define E1_PAUSE	119		/* PAUSE key */

/* resource allocation */
#define kbd_request_region()
#define kbd_request_irq(handler) request_irq(KEYBOARD_IRQ, handler, 0, \
                                             "keyboard", NULL)

/* How to access the keyboard macros on this platform.  */
#define kbd_read_input() inb(KBD_DATA_REG)
static inline int kbd_read_status(void) {
	int ret = inb(0x64);
	return (ret == 0xff) ? 0 : ret;	/* translate float to bad status. */
}
#define kbd_write_output(val) outb(val, KBD_DATA_REG)
#define kbd_write_command(val) outb(val, KBD_CNTL_REG)

/* Some stoneage hardware needs delays after some operations.  */
#define kbd_pause() do { } while(0)

/*
 * Machine specific bits for the PS/2 driver
 */

#define AUX_IRQ 12

#define aux_request_irq(hand, dev_id)					\
	request_irq(AUX_IRQ, hand, SA_SHIRQ, "PS/2 Mouse", dev_id)

#define aux_free_irq(dev_id) free_irq(AUX_IRQ, dev_id)

#endif /* __KERNEL__ */

#endif /* __ASMPPC64_KEYBOARD_H */