diff options
| author | Hemanth V <hemanthv@ti.com> | 2010-11-30 23:03:54 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-11-30 23:05:21 -0800 |
| commit | b029ffafe89cf4b97cf39e0225a5205cbbf9e02f (patch) | |
| tree | 3f5b9074c4b9b4cf35d930f057ed6a73559e1e0c /include/linux/input/cma3000.h | |
| parent | 33e808c383477e821163f133c2e3e671879c28b6 (diff) | |
| download | blackbird-obmc-linux-b029ffafe89cf4b97cf39e0225a5205cbbf9e02f.tar.gz blackbird-obmc-linux-b029ffafe89cf4b97cf39e0225a5205cbbf9e02f.zip | |
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>
Diffstat (limited to 'include/linux/input/cma3000.h')
| -rw-r--r-- | include/linux/input/cma3000.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/linux/input/cma3000.h b/include/linux/input/cma3000.h new file mode 100644 index 000000000000..cbbaac27d311 --- /dev/null +++ b/include/linux/input/cma3000.h @@ -0,0 +1,59 @@ +/* + * 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 |
