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authorChris Hudson <chudson@kionix.com>2011-07-06 18:36:51 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-07-06 21:23:54 -0700
commite8e70d83912b40c5c9ea7b85a6110b9925fbed62 (patch)
tree2609ca5262ae720be29dad2c0ea4d450ae678514 /include/linux/input
parent7bed4b2c97d548c652ada6111604568ea6b0c423 (diff)
downloadop-kernel-dev-e8e70d83912b40c5c9ea7b85a6110b9925fbed62.zip
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Input: add support for Kionix KXTJ9 accelerometer
Signed-off-by: Chris Hudson <chudson@kionix.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'include/linux/input')
-rw-r--r--include/linux/input/kxtj9.h70
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 0000000..f6bac89
--- /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__ */
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