linux-stable/drivers/s390/char/keyboard.h
Jiri Slaby b68b914494 tty: the rest, stop using tty_schedule_flip()
Since commit a9c3f68f3c (tty: Fix low_latency BUG) in 2014,
tty_flip_buffer_push() is only a wrapper to tty_schedule_flip(). We are
going to remove the latter (as it is used less), so call the former in
the rest of the users.

Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: William Hubbs <w.d.hubbs@gmail.com>
Cc: Chris Brannon <chris@the-brannons.com>
Cc: Kirk Reiser <kirk@reisers.ca>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20211122111648.30379-3-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-25 18:35:23 +01:00

68 lines
1.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* 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;
extern int ebc_funcbufsize, ebc_funcbufleft;
extern char *ebc_func_table[MAX_NR_FUNC];
extern char ebc_func_buf[];
extern char *ebc_funcbufptr;
extern unsigned int ebc_keymap_count;
extern struct kbdiacruc ebc_accent_table[];
extern unsigned int ebc_accent_table_size;
extern unsigned short *ebc_key_maps[MAX_NR_KEYMAPS];
extern unsigned short ebc_plain_map[NR_KEYS];
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_flip_buffer_push(port);
}
static inline void
kbd_puts_queue(struct tty_port *port, char *cp)
{
while (*cp)
tty_insert_flip_char(port, *cp++, 0);
tty_flip_buffer_push(port);
}