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authorPaul Mundt <lethal@linux-sh.org>2011-01-13 15:06:28 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-01-13 15:06:28 +0900
commitf43dc23d5ea91fca257be02138a255f02d98e806 (patch)
treeb29722f6e965316e90ac97abf79923ced250dc21 /include/linux/input/sparse-keymap.h
parentf8e53553f452dcbf67cb89c8cba63a1cd6eb4cc0 (diff)
parent4162cf64973df51fc885825bc9ca4d055891c49f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework
Conflicts: arch/sh/kernel/cpu/sh2/setup-sh7619.c arch/sh/kernel/cpu/sh2a/setup-mxg.c arch/sh/kernel/cpu/sh2a/setup-sh7201.c arch/sh/kernel/cpu/sh2a/setup-sh7203.c arch/sh/kernel/cpu/sh2a/setup-sh7206.c arch/sh/kernel/cpu/sh3/setup-sh7705.c arch/sh/kernel/cpu/sh3/setup-sh770x.c arch/sh/kernel/cpu/sh3/setup-sh7710.c arch/sh/kernel/cpu/sh3/setup-sh7720.c arch/sh/kernel/cpu/sh4/setup-sh4-202.c arch/sh/kernel/cpu/sh4/setup-sh7750.c arch/sh/kernel/cpu/sh4/setup-sh7760.c arch/sh/kernel/cpu/sh4a/setup-sh7343.c arch/sh/kernel/cpu/sh4a/setup-sh7366.c arch/sh/kernel/cpu/sh4a/setup-sh7722.c arch/sh/kernel/cpu/sh4a/setup-sh7723.c arch/sh/kernel/cpu/sh4a/setup-sh7724.c arch/sh/kernel/cpu/sh4a/setup-sh7763.c arch/sh/kernel/cpu/sh4a/setup-sh7770.c arch/sh/kernel/cpu/sh4a/setup-sh7780.c arch/sh/kernel/cpu/sh4a/setup-sh7785.c arch/sh/kernel/cpu/sh4a/setup-sh7786.c arch/sh/kernel/cpu/sh4a/setup-shx3.c arch/sh/kernel/cpu/sh5/setup-sh5.c drivers/serial/sh-sci.c drivers/serial/sh-sci.h include/linux/serial_sci.h
Diffstat (limited to 'include/linux/input/sparse-keymap.h')
-rw-r--r--include/linux/input/sparse-keymap.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/include/linux/input/sparse-keymap.h b/include/linux/input/sparse-keymap.h
new file mode 100644
index 000000000000..52db62064c6e
--- /dev/null
+++ b/include/linux/input/sparse-keymap.h
@@ -0,0 +1,62 @@
+#ifndef _SPARSE_KEYMAP_H
+#define _SPARSE_KEYMAP_H
+
+/*
+ * Copyright (c) 2009 Dmitry Torokhov
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#define KE_END 0 /* Indicates end of keymap */
+#define KE_KEY 1 /* Ordinary key/button */
+#define KE_SW 2 /* Switch (predetermined value) */
+#define KE_VSW 3 /* Switch (value supplied at runtime) */
+#define KE_IGNORE 4 /* Known entry that should be ignored */
+#define KE_LAST KE_IGNORE
+
+/**
+ * struct key_entry - keymap entry for use in sparse keymap
+ * @type: Type of the key entry (KE_KEY, KE_SW, KE_VSW, KE_END);
+ * drivers are allowed to extend the list with their own
+ * private definitions.
+ * @code: Device-specific data identifying the button/switch
+ * @keycode: KEY_* code assigned to a key/button
+ * @sw.code: SW_* code assigned to a switch
+ * @sw.value: Value that should be sent in an input even when KE_SW
+ * switch is toggled. KE_VSW switches ignore this field and
+ * expect driver to supply value for the event.
+ *
+ * This structure defines an entry in a sparse keymap used by some
+ * input devices for which traditional table-based approach is not
+ * suitable.
+ */
+struct key_entry {
+ int type; /* See KE_* above */
+ u32 code;
+ union {
+ u16 keycode; /* For KE_KEY */
+ struct { /* For KE_SW, KE_VSW */
+ u8 code;
+ u8 value; /* For KE_SW, ignored by KE_VSW */
+ } sw;
+ };
+};
+
+struct key_entry *sparse_keymap_entry_from_scancode(struct input_dev *dev,
+ unsigned int code);
+struct key_entry *sparse_keymap_entry_from_keycode(struct input_dev *dev,
+ unsigned int code);
+int sparse_keymap_setup(struct input_dev *dev,
+ const struct key_entry *keymap,
+ int (*setup)(struct input_dev *, struct key_entry *));
+void sparse_keymap_free(struct input_dev *dev);
+
+void sparse_keymap_report_entry(struct input_dev *dev, const struct key_entry *ke,
+ unsigned int value, bool autorelease);
+
+bool sparse_keymap_report_event(struct input_dev *dev, unsigned int code,
+ unsigned int value, bool autorelease);
+
+#endif /* _SPARSE_KEYMAP_H */