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.
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| 1 | +/* | |
| 2 | + * VTI CMA3000_Dxx Accelerometer driver | |
| 3 | + * | |
| 4 | + * Copyright (C) 2010 Texas Instruments | |
| 5 | + * Author: Hemanth V <hemanthv@ti.com> | |
| 6 | + * | |
| 7 | + * This program is free software; you can redistribute it and/or modify it | |
| 8 | + * under the terms of the GNU General Public License version 2 as published by | |
| 9 | + * the Free Software Foundation. | |
| 10 | + * | |
| 11 | + * This program is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 14 | + * more details. | |
| 15 | + * | |
| 16 | + * You should have received a copy of the GNU General Public License along with | |
| 17 | + * this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 | + */ | |
| 19 | + | |
| 20 | +#ifndef _LINUX_CMA3000_H | |
| 21 | +#define _LINUX_CMA3000_H | |
| 22 | + | |
| 23 | +#define CMAMODE_DEFAULT 0 | |
| 24 | +#define CMAMODE_MEAS100 1 | |
| 25 | +#define CMAMODE_MEAS400 2 | |
| 26 | +#define CMAMODE_MEAS40 3 | |
| 27 | +#define CMAMODE_MOTDET 4 | |
| 28 | +#define CMAMODE_FF100 5 | |
| 29 | +#define CMAMODE_FF400 6 | |
| 30 | +#define CMAMODE_POFF 7 | |
| 31 | + | |
| 32 | +#define CMARANGE_2G 2000 | |
| 33 | +#define CMARANGE_8G 8000 | |
| 34 | + | |
| 35 | +/** | |
| 36 | + * struct cma3000_i2c_platform_data - CMA3000 Platform data | |
| 37 | + * @fuzz_x: Noise on X Axis | |
| 38 | + * @fuzz_y: Noise on Y Axis | |
| 39 | + * @fuzz_z: Noise on Z Axis | |
| 40 | + * @g_range: G range in milli g i.e 2000 or 8000 | |
| 41 | + * @mode: Operating mode | |
| 42 | + * @mdthr: Motion detect threshold value | |
| 43 | + * @mdfftmr: Motion detect and free fall time value | |
| 44 | + * @ffthr: Free fall threshold value | |
| 45 | + */ | |
| 46 | + | |
| 47 | +struct cma3000_platform_data { | |
| 48 | + int fuzz_x; | |
| 49 | + int fuzz_y; | |
| 50 | + int fuzz_z; | |
| 51 | + int g_range; | |
| 52 | + uint8_t mode; | |
| 53 | + uint8_t mdthr; | |
| 54 | + uint8_t mdfftmr; | |
| 55 | + uint8_t ffthr; | |
| 56 | + unsigned long irqflags; | |
| 57 | +}; | |
| 58 | + | |
| 59 | +#endif | |