diff options
Diffstat (limited to 'drivers/s390/char/keyboard.h')
-rw-r--r-- | drivers/s390/char/keyboard.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/s390/char/keyboard.h b/drivers/s390/char/keyboard.h new file mode 100644 index 000000000..a31f33921 --- /dev/null +++ b/drivers/s390/char/keyboard.h @@ -0,0 +1,56 @@ +/* + * 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; + +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); +} |