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 000000000000..44ed7aa14d85
--- /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 */