Input: add support for Kionix KXTJ9 accelerometer

Signed-off-by: Chris Hudson <chudson@kionix.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 70 insertions, 0 deletions

diff --git a/include/linux/input/kxtj9.h b/include/linux/input/kxtj9.h
new file mode 100644
index 000000000000..f6bac89537b8
--- /dev/null
+++ b/include/linux/input/kxtj9.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2011 Kionix, Inc.
+ * Written by Chris Hudson <chudson@kionix.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.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307, USA
+ */
+
+#ifndef __KXTJ9_H__
+#define __KXTJ9_H__
+
+#define KXTJ9_I2C_ADDR          0x0F
+
+struct kxtj9_platform_data {
+        unsigned int min_interval;      /* minimum poll interval (in milli-seconds) */
+
+        /*
+         * By default, x is axis 0, y is axis 1, z is axis 2; these can be
+         * changed to account for sensor orientation within the host device.
+         */
+        u8 axis_map_x;
+        u8 axis_map_y;
+        u8 axis_map_z;
+
+        /*
+         * Each axis can be negated to account for sensor orientation within
+         * the host device.
+         */
+        bool negate_x;
+        bool negate_y;
+        bool negate_z;
+
+        /* CTRL_REG1: set resolution, g-range, data ready enable */
+        /* Output resolution: 8-bit valid or 12-bit valid */
+        #define RES_8BIT                0
+        #define RES_12BIT               (1 << 6)
+        u8 res_12bit;
+        /* Output g-range: +/-2g, 4g, or 8g */
+        #define KXTJ9_G_2G              0
+        #define KXTJ9_G_4G              (1 << 3)
+        #define KXTJ9_G_8G              (1 << 4)
+        u8 g_range;
+
+        /* DATA_CTRL_REG: controls the output data rate of the part */
+        #define ODR12_5F                0
+        #define ODR25F                  1
+        #define ODR50F                  2
+        #define ODR100F                 3
+        #define ODR200F                 4
+        #define ODR400F                 5
+        #define ODR800F                 6
+        u8 data_odr_init;
+
+        int (*init)(void);
+        void (*exit)(void);
+        int (*power_on)(void);
+        int (*power_off)(void);
+};
+#endif  /* __KXTJ9_H__ */