LXR linux/drivers/s390/char/keyboard.h

   1/*
   2 *  drivers/s390/char/keyboard.h
   3 *    ebcdic keycode functions for s390 console drivers
   4 *
   5 *    Copyright (C) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
   6 *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
   7 */
   8
   9#include <linux/tty.h>
  10#include <linux/tty_flip.h>
  11#include <linux/keyboard.h>
  12
  13#define NR_FN_HANDLER   20
  14
  15struct kbd_data;
  16
  17typedef void (fn_handler_fn)(struct kbd_data *);
  18
  19/*
  20 * FIXME: explain key_maps tricks.
  21 */
  22
  23struct kbd_data {
  24        struct tty_struct *tty;
  25        unsigned short **key_maps;
  26        char **func_table;
  27        fn_handler_fn **fn_handler;
  28        struct kbdiacruc *accent_table;
  29        unsigned int accent_table_size;
  30        unsigned int diacr;
  31        unsigned short sysrq;
  32};
  33
  34struct kbd_data *kbd_alloc(void);
  35void kbd_free(struct kbd_data *);
  36void kbd_ascebc(struct kbd_data *, unsigned char *);
  37
  38void kbd_keycode(struct kbd_data *, unsigned int);
  39int kbd_ioctl(struct kbd_data *, struct file *, unsigned int, unsigned long);
  40
  41/*
  42 * Helper Functions.
  43 */
  44static inline void
  45kbd_put_queue(struct tty_struct *tty, int ch)
  46{
  47        tty_insert_flip_char(tty, ch, 0);
  48        tty_schedule_flip(tty);
  49}
  50
  51static inline void
  52kbd_puts_queue(struct tty_struct *tty, char *cp)
  53{
  54        while (*cp)
  55                tty_insert_flip_char(tty, *cp++, 0);
  56        tty_schedule_flip(tty);
  57}
  58