linux-stable/include/linux/input/cma3000.h
Hemanth V b029ffafe8 Input: add CMA3000 accelerometer driver
Add support for CMA3000 Tri-axis accelerometer, which supports Motion
detect, Measurement and Free fall modes. CMA3000 supports both I2C/SPI
bus for communication, currently the driver supports I2C based
communication.

Signed-off-by: Hemanth V <hemanthv@ti.com>
Reviewed-by: Jonathan Cameron <jic23@cam.ac.uk>
Reviewed-by: Sergio Aguirre <saaguirre@ti.com>
Reviewed-by: Shubhrajyoti <Shubhrajyoti@ti.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2010-11-30 23:05:21 -08:00

59 lines
1.6 KiB
C

/*
* VTI CMA3000_Dxx Accelerometer driver
*
* Copyright (C) 2010 Texas Instruments
* Author: Hemanth V <hemanthv@ti.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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _LINUX_CMA3000_H
#define _LINUX_CMA3000_H
#define CMAMODE_DEFAULT 0
#define CMAMODE_MEAS100 1
#define CMAMODE_MEAS400 2
#define CMAMODE_MEAS40 3
#define CMAMODE_MOTDET 4
#define CMAMODE_FF100 5
#define CMAMODE_FF400 6
#define CMAMODE_POFF 7
#define CMARANGE_2G 2000
#define CMARANGE_8G 8000
/**
* struct cma3000_i2c_platform_data - CMA3000 Platform data
* @fuzz_x: Noise on X Axis
* @fuzz_y: Noise on Y Axis
* @fuzz_z: Noise on Z Axis
* @g_range: G range in milli g i.e 2000 or 8000
* @mode: Operating mode
* @mdthr: Motion detect threshold value
* @mdfftmr: Motion detect and free fall time value
* @ffthr: Free fall threshold value
*/
struct cma3000_platform_data {
int fuzz_x;
int fuzz_y;
int fuzz_z;
int g_range;
uint8_t mode;
uint8_t mdthr;
uint8_t mdfftmr;
uint8_t ffthr;
unsigned long irqflags;
};
#endif