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kernel/linux-imx6_3.14.28/drivers/s390/char/keyboard.h 1.13 KB
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  /*
   *    ebcdic keycode functions for s390 console drivers
   *
   *    Copyright IBM Corp. 2003
   *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
   */
  
  #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_port *port;
  	unsigned short **key_maps;
  	char **func_table;
  	fn_handler_fn **fn_handler;
  	struct kbdiacruc *accent_table;
  	unsigned int accent_table_size;
  	unsigned int 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 *, unsigned int, unsigned long);
  
  /*
   * Helper Functions.
   */
  static inline void
  kbd_put_queue(struct tty_port *port, int ch)
  {
  	tty_insert_flip_char(port, ch, 0);
  	tty_schedule_flip(port);
  }
  
  static inline void
  kbd_puts_queue(struct tty_port *port, char *cp)
  {
  	while (*cp)
  		tty_insert_flip_char(port, *cp++, 0);
  	tty_schedule_flip(port);
  }