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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>
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
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* VTI CMA3000_Dxx Accelerometer driver
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*
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* Copyright (C) 2010 Texas Instruments
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* Author: Hemanth V <hemanthv@ti.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _LINUX_CMA3000_H
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#define _LINUX_CMA3000_H
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#define CMAMODE_DEFAULT 0
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#define CMAMODE_MEAS100 1
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#define CMAMODE_MEAS400 2
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#define CMAMODE_MEAS40 3
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#define CMAMODE_MOTDET 4
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#define CMAMODE_FF100 5
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#define CMAMODE_FF400 6
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#define CMAMODE_POFF 7
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#define CMARANGE_2G 2000
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#define CMARANGE_8G 8000
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/**
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* struct cma3000_i2c_platform_data - CMA3000 Platform data
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* @fuzz_x: Noise on X Axis
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* @fuzz_y: Noise on Y Axis
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* @fuzz_z: Noise on Z Axis
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* @g_range: G range in milli g i.e 2000 or 8000
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* @mode: Operating mode
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* @mdthr: Motion detect threshold value
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* @mdfftmr: Motion detect and free fall time value
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* @ffthr: Free fall threshold value
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*/
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struct cma3000_platform_data {
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int fuzz_x;
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int fuzz_y;
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int fuzz_z;
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int g_range;
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uint8_t mode;
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uint8_t mdthr;
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uint8_t mdfftmr;
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uint8_t ffthr;
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unsigned long irqflags;
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};
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#endif
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