keyboard.h

来自「底层驱动开发」· C头文件 代码 · 共 58 行

/*
 *  drivers/s390/char/keyboard.h
 *    ebcdic keycode functions for s390 console drivers
 *
 *    Copyright (C) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
 *    Author(s): Martin Schwidefsky ([e-mail]),
 */

#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/keyboard.h>

#define NR_FN_HANDLER	20

struct kbd_data;

typedef void (fn_handler_fn)(struct kbd_data *);

/*
 * FIXME: explain key_maps tricks.
 */

struct kbd_data {
	struct tty_struct *tty;
	unsigned short **key_maps;
	char **func_table;
	fn_handler_fn **fn_handler;
	struct kbdiacr *accent_table;
	unsigned int accent_table_size;
	unsigned char diacr;
	unsigned short sysrq;
};

struct kbd_data *kbd_alloc(void);
void kbd_free(struct kbd_data *);
void kbd_ascebc(struct kbd_data *, unsigned char *);

void kbd_keycode(struct kbd_data *, unsigned int);
int kbd_ioctl(struct kbd_data *, struct file *, unsigned int, unsigned long);

/*
 * Helper Functions.
 */
extern inline void
kbd_put_queue(struct tty_struct *tty, int ch)
{
	tty_insert_flip_char(tty, ch, 0);
	tty_schedule_flip(tty);
}

extern inline void
kbd_puts_queue(struct tty_struct *tty, char *cp)
{
	while (*cp)
		tty_insert_flip_char(tty, *cp++, 0);
	tty_schedule_flip(tty);
}