| /* |
| * 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. |
| * |
| * Copyright (C) 1994 - 1999 Ralf Baechle |
| */ |
| #ifndef _ASM_KEYBOARD_H |
| #define _ASM_KEYBOARD_H |
| |
| #ifdef __KERNEL__ |
| |
| #include <linux/config.h> |
| #include <linux/delay.h> |
| #include <linux/ioport.h> |
| #include <linux/kd.h> |
| #include <linux/pm.h> |
| |
| #define DISABLE_KBD_DURING_INTERRUPTS 0 |
| |
| #ifdef CONFIG_PC_KEYB |
| |
| extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode); |
| extern int pckbd_getkeycode(unsigned int scancode); |
| extern int pckbd_translate(unsigned char scancode, unsigned char *keycode, |
| char raw_mode); |
| extern char pckbd_unexpected_up(unsigned char keycode); |
| extern void pckbd_leds(unsigned char leds); |
| extern void pckbd_init_hw(void); |
| extern int pckbd_pm_resume(struct pm_dev *, pm_request_t, void *); |
| extern pm_callback pm_kbd_request_override; |
| extern unsigned char pckbd_sysrq_xlate[128]; |
| extern void kbd_forward_char (int ch); |
| |
| #define kbd_setkeycode pckbd_setkeycode |
| #define kbd_getkeycode pckbd_getkeycode |
| #define kbd_translate pckbd_translate |
| #define kbd_unexpected_up pckbd_unexpected_up |
| #define kbd_leds pckbd_leds |
| #define kbd_init_hw pckbd_init_hw |
| #define kbd_sysrq_xlate pckbd_sysrq_xlate |
| |
| #define SYSRQ_KEY 0x54 |
| |
| /* Some stoneage hardware needs delays after some operations. */ |
| #define kbd_pause() do { } while(0) |
| |
| struct kbd_ops { |
| /* Keyboard driver resource allocation */ |
| void (*kbd_request_region)(void); |
| int (*kbd_request_irq)(void (*handler)(int, void *, struct pt_regs *)); |
| |
| /* PSaux driver resource management */ |
| int (*aux_request_irq)(void (*handler)(int, void *, struct pt_regs *)); |
| void (*aux_free_irq)(void); |
| |
| /* Methods to access the keyboard processor's I/O registers */ |
| unsigned char (*kbd_read_input)(void); |
| void (*kbd_write_output)(unsigned char val); |
| void (*kbd_write_command)(unsigned char val); |
| unsigned char (*kbd_read_status)(void); |
| }; |
| |
| extern struct kbd_ops *kbd_ops; |
| #define kbd_controller_present() (kbd_ops != 0) |
| |
| /* Do the actual calls via kbd_ops vector */ |
| #define kbd_request_region() kbd_ops->kbd_request_region() |
| #define kbd_request_irq(handler) kbd_ops->kbd_request_irq(handler) |
| |
| #define aux_request_irq(hand, dev_id) kbd_ops->aux_request_irq(hand) |
| #define aux_free_irq(dev_id) kbd_ops->aux_free_irq() |
| |
| #define kbd_read_input() kbd_ops->kbd_read_input() |
| #define kbd_write_output(val) kbd_ops->kbd_write_output(val) |
| #define kbd_write_command(val) kbd_ops->kbd_write_command(val) |
| #define kbd_read_status() kbd_ops->kbd_read_status() |
| |
| #else |
| |
| extern int kbd_setkeycode(unsigned int scancode, unsigned int keycode); |
| extern int kbd_getkeycode(unsigned int scancode); |
| extern int kbd_translate(unsigned char scancode, unsigned char *keycode, |
| char raw_mode); |
| extern char kbd_unexpected_up(unsigned char keycode); |
| extern void kbd_leds(unsigned char leds); |
| extern void kbd_init_hw(void); |
| extern unsigned char *kbd_sysrq_xlate; |
| |
| extern unsigned char kbd_sysrq_key; |
| #define SYSRQ_KEY kbd_sysrq_key |
| |
| #endif |
| |
| #endif /* __KERNEL */ |
| |
| #endif /* _ASM_KEYBOARD_H */ |