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

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