| 3c034cce |
1 | /* |
| 2 | * Analog Devices ADIS16250/ADIS16255 Low Power Gyroscope |
| 3 | * |
| 4 | * Written by: Matthias Brugger <m_brugger@web.de> |
| 5 | * |
| 6 | * Copyright (C) 2010 Fraunhofer Institute for Integrated Circuits |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the |
| 20 | * Free Software Foundation, Inc., |
| 21 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 22 | */ |
| 23 | |
| 24 | #include <linux/init.h> |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/device.h> |
| 27 | #include <linux/list.h> |
| 28 | #include <linux/errno.h> |
| 29 | #include <linux/mutex.h> |
| 30 | #include <linux/slab.h> |
| 31 | |
| 32 | #include <linux/interrupt.h> |
| 33 | #include <linux/sysfs.h> |
| 34 | #include <linux/stat.h> |
| 35 | #include <linux/delay.h> |
| 36 | |
| 37 | #include <linux/gpio.h> |
| 38 | |
| 39 | #include <linux/spi/spi.h> |
| 40 | #include <linux/workqueue.h> |
| 41 | |
| 42 | #include "adis16255.h" |
| 43 | |
| 44 | #define ADIS_STATUS 0x3d |
| 45 | #define ADIS_SMPL_PRD_MSB 0x37 |
| 46 | #define ADIS_SMPL_PRD_LSB 0x36 |
| 47 | #define ADIS_MSC_CTRL_MSB 0x35 |
| 48 | #define ADIS_MSC_CTRL_LSB 0x34 |
| 49 | #define ADIS_GPIO_CTRL 0x33 |
| 50 | #define ADIS_ALM_SMPL1 0x25 |
| 51 | #define ADIS_ALM_MAG1 0x21 |
| 52 | #define ADIS_GYRO_SCALE 0x17 |
| 53 | #define ADIS_GYRO_OUT 0x05 |
| 54 | #define ADIS_SUPPLY_OUT 0x03 |
| 55 | #define ADIS_ENDURANCE 0x01 |
| 56 | |
| 57 | /* |
| 58 | * data structure for every sensor |
| 59 | * |
| 60 | * @dev: Driver model representation of the device. |
| 61 | * @spi: Pointer to the spi device which will manage i/o to spi bus. |
| 62 | * @data: Last read data from device. |
| 63 | * @irq_adis: GPIO Number of IRQ signal |
| 64 | * @irq: irq line manage by kernel |
| 65 |
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