| Flemmard | fb6d1e4 | 2013-05-23 15:18:38 -0700 | [diff] [blame] | 1 | /******************** (C) COPYRIGHT 2011 STMicroelectronics ******************** |
| 2 | * |
| 3 | * File Name : r3gd20.h |
| 4 | * Authors : MH - C&I BU - Application Team |
| 5 | * : Carmine Iascone (carmine.iascone@st.com) |
| 6 | * : Matteo Dameno (matteo.dameno@st.com) |
| 7 | * : Both authors are willing to be considered the contact |
| 8 | * : and update points for the driver. |
| 9 | * Version : V 1.1.5 sysfs |
| 10 | * Date : 2011/Sep/24 |
| 11 | * Description : R3GD20 digital output gyroscope sensor API |
| 12 | * |
| 13 | ******************************************************************************** |
| 14 | * |
| 15 | * This program is free software; you can redistribute it and/or modify |
| 16 | * it under the terms of the GNU General Public License version 2 as |
| 17 | * published by the Free Software Foundation. |
| 18 | * |
| 19 | * THE PRESENT SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES |
| 20 | * OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, FOR THE SOLE |
| 21 | * PURPOSE TO SUPPORT YOUR APPLICATION DEVELOPMENT. |
| 22 | * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, |
| 23 | * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE |
| 24 | * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING |
| 25 | * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
| 26 | * |
| 27 | ******************************************************************************** |
| 28 | * REVISON HISTORY |
| 29 | * |
| 30 | * VERSION | DATE | AUTHORS | DESCRIPTION |
| 31 | * 1.0 | 2010/May/02 | Carmine Iascone | First Release |
| 32 | * 1.1.3 | 2011/Jun/24 | Matteo Dameno | Corrects ODR Bug |
| 33 | * 1.1.4 | 2011/Sep/02 | Matteo Dameno | SMB Bus Mng, |
| 34 | * | | | forces BDU setting |
| 35 | * 1.1.5 | 2011/Sep/24 | Matteo Dameno | Introduces FIFO Feat. |
| 36 | * 1.1.5.1 | 2011/Nov/6 | Morris Chen | change name from l3g to r3g |
| 37 | * | change default FS to 2000DPS |
| 38 | * | change default poll_rate to 50ms |
| 39 | * | chage the attribute of sysfs file as 666 |
| 40 | *******************************************************************************/ |
| 41 | |
| 42 | #ifndef __R3GD20_H__ |
| 43 | #define __R3GD20_H__ |
| 44 | |
| 45 | |
| 46 | #define R3GD20_MIN_POLL_PERIOD_MS 2 |
| 47 | |
| 48 | #define SAD0L 0x00 |
| 49 | #define SAD0H 0x01 |
| 50 | #define R3GD20_GYR_I2C_SADROOT 0x6A |
| 51 | #define R3GD20_GYR_I2C_SAD_L ((R3GD20_GYR_I2C_SADROOT<<1)|SAD0L) |
| 52 | #define R3GD20_GYR_I2C_SAD_H ((R3GD20_GYR_I2C_SADROOT<<1)|SAD0H) |
| 53 | |
| 54 | #define R3GD20_GYR_DEV_NAME "r3gd20_gyr" |
| 55 | |
| 56 | #define R3GD20_GYR_FS_250DPS 0x00 |
| 57 | #define R3GD20_GYR_FS_500DPS 0x10 |
| 58 | #define R3GD20_GYR_FS_2000DPS 0x30 |
| 59 | |
| 60 | #define R3GD20_GYR_ENABLED 1 |
| 61 | #define R3GD20_GYR_DISABLED 0 |
| 62 | |
| 63 | extern unsigned char gyro_gsensor_kvalue[37]; |
| 64 | |
| 65 | #ifdef __KERNEL__ |
| 66 | struct r3gd20_gyr_platform_data { |
| 67 | int (*init)(void); |
| 68 | void (*exit)(void); |
| 69 | int (*power_on)(void); |
| 70 | int (*power_off)(void); |
| 71 | unsigned int poll_interval; |
| 72 | unsigned int min_interval; |
| 73 | |
| 74 | u8 fs_range; |
| 75 | |
| 76 | |
| 77 | u8 watermark; |
| 78 | u8 fifomode; |
| 79 | |
| 80 | |
| 81 | int gpio_int1; |
| 82 | int gpio_int2; |
| 83 | |
| 84 | |
| 85 | u8 axis_map_x; |
| 86 | u8 axis_map_y; |
| 87 | u8 axis_map_z; |
| 88 | |
| 89 | u8 negate_x; |
| 90 | u8 negate_y; |
| 91 | u8 negate_z; |
| 92 | |
| 93 | int (*power_LPM)(int on); |
| 94 | }; |
| 95 | #endif |
| 96 | |
| 97 | #endif |