69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* ebcdic keycode functions for s390 console drivers
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*
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* Copyright IBM Corp. 2003
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* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
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*/
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#include <linux/tty.h>
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#include <linux/tty_flip.h>
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#include <linux/keyboard.h>
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#define NR_FN_HANDLER 20
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struct kbd_data;
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extern int ebc_funcbufsize, ebc_funcbufleft;
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extern char *ebc_func_table[MAX_NR_FUNC];
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extern char ebc_func_buf[];
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extern char *ebc_funcbufptr;
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extern unsigned int ebc_keymap_count;
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extern struct kbdiacruc ebc_accent_table[];
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extern unsigned int ebc_accent_table_size;
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extern unsigned short *ebc_key_maps[MAX_NR_KEYMAPS];
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extern unsigned short ebc_plain_map[NR_KEYS];
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typedef void (fn_handler_fn)(struct kbd_data *);
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/*
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* FIXME: explain key_maps tricks.
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*/
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struct kbd_data {
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struct tty_port *port;
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unsigned short **key_maps;
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char **func_table;
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fn_handler_fn **fn_handler;
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struct kbdiacruc *accent_table;
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unsigned int accent_table_size;
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unsigned int diacr;
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unsigned short sysrq;
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};
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struct kbd_data *kbd_alloc(void);
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void kbd_free(struct kbd_data *);
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void kbd_ascebc(struct kbd_data *, unsigned char *);
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void kbd_keycode(struct kbd_data *, unsigned int);
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int kbd_ioctl(struct kbd_data *, unsigned int, unsigned long);
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/*
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* Helper Functions.
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*/
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static inline void
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kbd_put_queue(struct tty_port *port, int ch)
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{
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tty_insert_flip_char(port, ch, 0);
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tty_flip_buffer_push(port);
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}
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static inline void
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kbd_puts_queue(struct tty_port *port, char *cp)
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{
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while (*cp)
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tty_insert_flip_char(port, *cp++, 0);
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tty_flip_buffer_push(port);
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}
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