initial_commit

1 files changed, 50 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/include/plat/keypad.h b/arch/arm/plat-omap/include/plat/keypad.h
new file mode 100644
index 00000000..793ce9d5
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/keypad.h
@@ -0,0 +1,50 @@
+/*
+ *  arch/arm/plat-omap/include/mach/keypad.h
+ *
+ *  Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
+ *
+ * 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.
+ */
+#ifndef ASMARM_ARCH_KEYPAD_H
+#define ASMARM_ARCH_KEYPAD_H
+
+#ifndef CONFIG_ARCH_OMAP1
+#warning Please update the board to use matrix-keypad driver
+#endif
+#include <linux/input/matrix_keypad.h>
+
+struct omap_kp_platform_data {
+	int rows;
+	int cols;
+	const struct matrix_keymap_data *keymap_data;
+	bool rep;
+	unsigned long delay;
+	bool dbounce;
+	/* specific to OMAP242x*/
+	unsigned int *row_gpios;
+	unsigned int *col_gpios;
+};
+
+/* Group (0..3) -- when multiple keys are pressed, only the
+ * keys pressed in the same group are considered as pressed. This is
+ * in order to workaround certain crappy HW designs that produce ghost
+ * keypresses. Two free bits, not used by neither row/col nor keynum,
+ * must be available for use as group bits. The below GROUP_SHIFT
+ * macro definition is based on some prior knowledge of the
+ * matrix_keypad defined KEY() macro internals.
+ */
+#define GROUP_SHIFT	14
+#define GROUP_0		(0 << GROUP_SHIFT)
+#define GROUP_1		(1 << GROUP_SHIFT)
+#define GROUP_2		(2 << GROUP_SHIFT)
+#define GROUP_3		(3 << GROUP_SHIFT)
+#define GROUP_MASK	GROUP_3
+#if KEY_MAX & GROUP_MASK
+#error Group bits in conflict with keynum bits
+#endif
+
+
+#endif
+