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Diffstat (limited to 'drivers/s390/char/keyboard.h')
-rw-r--r--drivers/s390/char/keyboard.h56
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);
+}