ba186e7d17
And use tty from that. This means, we convert most of the users to accept tty_port instead. This is not racy and ensures the tty to be properly refcounted. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux390@de.ibm.com Cc: linux-s390@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
/*
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* drivers/s390/char/keyboard.h
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* ebcdic keycode functions for s390 console drivers
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*
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* Copyright (C) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
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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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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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struct tty_struct *tty = tty_port_tty_get(port);
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if (!tty)
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return;
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tty_insert_flip_char(tty, ch, 0);
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tty_schedule_flip(tty);
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tty_kref_put(tty);
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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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struct tty_struct *tty = tty_port_tty_get(port);
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if (!tty)
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return;
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while (*cp)
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tty_insert_flip_char(tty, *cp++, 0);
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tty_schedule_flip(tty);
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tty_kref_put(tty);
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}
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