1 files changed, 46 insertions, 0 deletions

diff --git a/include/linux/gpio_scrollwheel.h b/include/linux/gpio_scrollwheel.h
new file mode 100644
index 00000000000..33d17a0199e
--- /dev/null
+++ b/include/linux/gpio_scrollwheel.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2010, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef _GPIO_SCROLLWHEEL_H
+#define _GPIO_SCROLLWHEEL_H
+
+#define GPIO_SCROLLWHEEL_PIN_ONOFF      0
+#define GPIO_SCROLLWHEEL_PIN_PRESS      1
+#define GPIO_SCROLLWHEEL_PIN_ROT1       2
+#define GPIO_SCROLLWHEEL_PIN_ROT2       3
+#define GPIO_SCROLLWHEEL_PIN_MAX        4
+
+struct gpio_scrollwheel_button {
+        /* Configuration parameters */
+        int pinaction;          /* GPIO_SCROLLWHEEL_PIN_* */
+        int gpio;
+        char *desc;
+        int active_low;
+        int debounce_interval;  /* debounce ticks interval in msecs */
+};
+
+struct gpio_scrollwheel_platform_data {
+        struct gpio_scrollwheel_button *buttons;
+        int nbuttons;
+        unsigned int rep:1;     /* enable input subsystem auto repeat */
+        int (*enable)(struct device *dev);
+        void (*disable)(struct device *dev);
+};
+
+#endif
+