mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 00:48:50 +00:00
b029ffafe8
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>
59 lines
1.6 KiB
C
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
|