95 lines
3.0 KiB
C
Executable File
95 lines
3.0 KiB
C
Executable File
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1994 - 1999, 2001 Ralf Baechle
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* Copyright (C) 2001 MIPS Technologies, Inc.
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*/
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#ifndef _ASM_KEYBOARD_H
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#define _ASM_KEYBOARD_H
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#ifdef __KERNEL__
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#include <linux/config.h>
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#include <linux/delay.h>
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#include <linux/ioport.h>
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#include <linux/kd.h>
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#include <asm/bootinfo.h>
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#define DISABLE_KBD_DURING_INTERRUPTS 0
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#ifdef CONFIG_PC_KEYB
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extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode);
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extern int pckbd_getkeycode(unsigned int scancode);
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extern int pckbd_translate(unsigned char scancode, unsigned char *keycode,
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char raw_mode);
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extern char pckbd_unexpected_up(unsigned char keycode);
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extern void pckbd_leds(unsigned char leds);
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extern int pckbd_rate(struct kbd_repeat *rep);
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extern void pckbd_init_hw(void);
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extern unsigned char pckbd_sysrq_xlate[128];
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extern void kbd_forward_char (int ch);
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#define kbd_setkeycode pckbd_setkeycode
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#define kbd_getkeycode pckbd_getkeycode
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#define kbd_translate pckbd_translate
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#define kbd_unexpected_up pckbd_unexpected_up
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#define kbd_leds pckbd_leds
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#define kbd_rate pckbd_rate
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#define kbd_init_hw pckbd_init_hw
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#define kbd_sysrq_xlate pckbd_sysrq_xlate
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#else
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extern int kbd_setkeycode(unsigned int scancode, unsigned int keycode);
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extern int kbd_getkeycode(unsigned int scancode);
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extern int kbd_translate(unsigned char scancode, unsigned char *keycode,
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char raw_mode);
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extern char kbd_unexpected_up(unsigned char keycode);
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extern void kbd_leds(unsigned char leds);
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extern void kbd_init_hw(void);
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extern unsigned char *kbd_sysrq_xlate;
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#endif
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#define SYSRQ_KEY 0x54
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/* Some stoneage hardware needs delays after some operations. */
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#define kbd_pause() do { } while(0)
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struct kbd_ops {
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/* Keyboard driver resource allocation */
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void (*kbd_request_region)(void);
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int (*kbd_request_irq)(void (*handler)(int, void *, struct pt_regs *));
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/* PSaux driver resource management */
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int (*aux_request_irq)(void (*handler)(int, void *, struct pt_regs *));
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void (*aux_free_irq)(void);
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/* Methods to access the keyboard processor's I/O registers */
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unsigned char (*kbd_read_input)(void);
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void (*kbd_write_output)(unsigned char val);
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void (*kbd_write_command)(unsigned char val);
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unsigned char (*kbd_read_status)(void);
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};
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extern struct kbd_ops *kbd_ops;
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/* Do the actual calls via kbd_ops vector */
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#define kbd_request_region() kbd_ops->kbd_request_region()
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#define kbd_request_irq(handler) kbd_ops->kbd_request_irq(handler)
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#define aux_request_irq(hand, dev_id) kbd_ops->aux_request_irq(hand)
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#define aux_free_irq(dev_id) kbd_ops->aux_free_irq()
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#define kbd_read_input() kbd_ops->kbd_read_input()
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#define kbd_write_output(val) kbd_ops->kbd_write_output(val)
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#define kbd_write_command(val) kbd_ops->kbd_write_command(val)
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#define kbd_read_status() kbd_ops->kbd_read_status()
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#endif /* __KERNEL */
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#endif /* _ASM_KEYBOARD_H */
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