2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 1994 - 1999 Ralf Baechle
8 #ifndef _ASM_KEYBOARD_H
9 #define _ASM_KEYBOARD_H
13 #include <linux/config.h>
14 #include <linux/delay.h>
15 #include <linux/ioport.h>
19 #define DISABLE_KBD_DURING_INTERRUPTS 0
23 extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode);
24 extern int pckbd_getkeycode(unsigned int scancode);
25 extern int pckbd_translate(unsigned char scancode, unsigned char *keycode,
27 extern char pckbd_unexpected_up(unsigned char keycode);
28 extern void pckbd_leds(unsigned char leds);
29 extern void pckbd_init_hw(void);
30 extern int pckbd_pm_resume(struct pm_dev *, pm_request_t, void *);
31 extern pm_callback pm_kbd_request_override;
32 extern unsigned char pckbd_sysrq_xlate[128];
33 extern void kbd_forward_char (int ch);
35 #define kbd_setkeycode pckbd_setkeycode
36 #define kbd_getkeycode pckbd_getkeycode
37 #define kbd_translate pckbd_translate
38 #define kbd_unexpected_up pckbd_unexpected_up
39 #define kbd_leds pckbd_leds
40 #define kbd_init_hw pckbd_init_hw
41 #define kbd_sysrq_xlate pckbd_sysrq_xlate
43 #define SYSRQ_KEY 0x54
45 /* Some stoneage hardware needs delays after some operations. */
46 #define kbd_pause() do { } while(0)
49 /* Keyboard driver resource allocation */
50 void (*kbd_request_region)(void);
51 int (*kbd_request_irq)(void (*handler)(int, void *, struct pt_regs *));
53 /* PSaux driver resource management */
54 int (*aux_request_irq)(void (*handler)(int, void *, struct pt_regs *));
55 void (*aux_free_irq)(void);
57 /* Methods to access the keyboard processor's I/O registers */
58 unsigned char (*kbd_read_input)(void);
59 void (*kbd_write_output)(unsigned char val);
60 void (*kbd_write_command)(unsigned char val);
61 unsigned char (*kbd_read_status)(void);
64 extern struct kbd_ops *kbd_ops;
65 #define kbd_controller_present() (kbd_ops != 0)
67 /* Do the actual calls via kbd_ops vector */
68 #define kbd_request_region() kbd_ops->kbd_request_region()
69 #define kbd_request_irq(handler) kbd_ops->kbd_request_irq(handler)
71 #define aux_request_irq(hand, dev_id) kbd_ops->aux_request_irq(hand)
72 #define aux_free_irq(dev_id) kbd_ops->aux_free_irq()
74 #define kbd_read_input() kbd_ops->kbd_read_input()
75 #define kbd_write_output(val) kbd_ops->kbd_write_output(val)
76 #define kbd_write_command(val) kbd_ops->kbd_write_command(val)
77 #define kbd_read_status() kbd_ops->kbd_read_status()
81 extern int kbd_setkeycode(unsigned int scancode, unsigned int keycode);
82 extern int kbd_getkeycode(unsigned int scancode);
83 extern int kbd_translate(unsigned char scancode, unsigned char *keycode,
85 extern char kbd_unexpected_up(unsigned char keycode);
86 extern void kbd_leds(unsigned char leds);
87 extern void kbd_init_hw(void);
88 extern unsigned char *kbd_sysrq_xlate;
90 extern unsigned char kbd_sysrq_key;
91 #define SYSRQ_KEY kbd_sysrq_key
97 #endif /* _ASM_KEYBOARD_H */