From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- drivers/s390/char/keyboard.h | 68 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 drivers/s390/char/keyboard.h (limited to 'drivers/s390/char/keyboard.h') diff --git a/drivers/s390/char/keyboard.h b/drivers/s390/char/keyboard.h new file mode 100644 index 000000000..c467589c7 --- /dev/null +++ b/drivers/s390/char/keyboard.h @@ -0,0 +1,68 @@ +/* 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 +#include +#include + +#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_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); +} -- cgit v1.2.3