keyboard.h

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/*
 *    ebcdic keycode functions for s390 console drivers
 *
 *    Copyright IBM Corp. 2003
 *    Author(s): Martin Schwidefsky ([email protected]),
 */

#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)
{
    struct tty_struct *tty = tty_port_tty_get(port);
    if (!tty)
        return;
    tty_insert_flip_char(tty, ch, 0);
    tty_schedule_flip(tty);
    tty_kref_put(tty);
}

static inline void
kbd_puts_queue(struct tty_port *port, char *cp)
{
    struct tty_struct *tty = tty_port_tty_get(port);
    if (!tty)
        return;
    while (*cp)
        tty_insert_flip_char(tty, *cp++, 0);
    tty_schedule_flip(tty);
    tty_kref_put(tty);
}