Initial import

1 files changed, 61 insertions, 0 deletions

diff --git a/include/linux/gpio_mouse.h b/include/linux/gpio_mouse.h
new file mode 100644
index 000000000..44ed7aa14
--- /dev/null
+++ b/include/linux/gpio_mouse.h
@@ -0,0 +1,61 @@
+/*
+ * Driver for simulating a mouse on GPIO lines.
+ *
+ * Copyright (C) 2007 Atmel Corporation
+ *
+ * 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 _GPIO_MOUSE_H
+#define _GPIO_MOUSE_H
+
+#define GPIO_MOUSE_POLARITY_ACT_HIGH	0x00
+#define GPIO_MOUSE_POLARITY_ACT_LOW	0x01
+
+#define GPIO_MOUSE_PIN_UP	0
+#define GPIO_MOUSE_PIN_DOWN	1
+#define GPIO_MOUSE_PIN_LEFT	2
+#define GPIO_MOUSE_PIN_RIGHT	3
+#define GPIO_MOUSE_PIN_BLEFT	4
+#define GPIO_MOUSE_PIN_BMIDDLE	5
+#define GPIO_MOUSE_PIN_BRIGHT	6
+#define GPIO_MOUSE_PIN_MAX	7
+
+/**
+ * struct gpio_mouse_platform_data
+ * @scan_ms: integer in ms specifying the scan periode.
+ * @polarity: Pin polarity, active high or low.
+ * @up: GPIO line for up value.
+ * @down: GPIO line for down value.
+ * @left: GPIO line for left value.
+ * @right: GPIO line for right value.
+ * @bleft: GPIO line for left button.
+ * @bmiddle: GPIO line for middle button.
+ * @bright: GPIO line for right button.
+ *
+ * This struct must be added to the platform_device in the board code.
+ * It is used by the gpio_mouse driver to setup GPIO lines and to
+ * calculate mouse movement.
+ */
+struct gpio_mouse_platform_data {
+	int scan_ms;
+	int polarity;
+
+	union {
+		struct {
+			int up;
+			int down;
+			int left;
+			int right;
+
+			int bleft;
+			int bmiddle;
+			int bright;
+		};
+		int pins[GPIO_MOUSE_PIN_MAX];
+	};
+};
+
+#endif /* _GPIO_MOUSE_H */