1 /* 2 * Copyright (C) 2011 Kionix, Inc. 3 * Written by Chris Hudson <chudson@kionix.com> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 * 02111-1307, USA 18 */ 19 20 #ifndef __KXTJ9_H__ 21 #define __KXTJ9_H__ 22 23 #define KXTJ9_I2C_ADDR 0x0F 24 25 struct kxtj9_platform_data { 26 unsigned int min_interval; /* minimum poll interval (in milli-seconds) */ 27 28 /* 29 * By default, x is axis 0, y is axis 1, z is axis 2; these can be 30 * changed to account for sensor orientation within the host device. 31 */ 32 u8 axis_map_x; 33 u8 axis_map_y; 34 u8 axis_map_z; 35 36 /* 37 * Each axis can be negated to account for sensor orientation within 38 * the host device. 39 */ 40 bool negate_x; 41 bool negate_y; 42 bool negate_z; 43 44 /* CTRL_REG1: set resolution, g-range, data ready enable */ 45 /* Output resolution: 8-bit valid or 12-bit valid */ 46 #define RES_8BIT 0 47 #define RES_12BIT (1 << 6) 48 u8 res_12bit; 49 /* Output g-range: +/-2g, 4g, or 8g */ 50 #define KXTJ9_G_2G 0 51 #define KXTJ9_G_4G (1 << 3) 52 #define KXTJ9_G_8G (1 << 4) 53 u8 g_range; 54 55 /* DATA_CTRL_REG: controls the output data rate of the part */ 56 #define ODR12_5F 0 57 #define ODR25F 1 58 #define ODR50F 2 59 #define ODR100F 3 60 #define ODR200F 4 61 #define ODR400F 5 62 #define ODR800F 6 63 u8 data_odr_init; 64 65 int (*init)(void); 66 void (*exit)(void); 67 int (*power_on)(void); 68 int (*power_off)(void); 69 }; 70 #endif /* __KXTJ9_H__ */ 71