84 lines
		
	
	
	
		
			1.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			84 lines
		
	
	
	
		
			1.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * STMicroelectronics gyroscopes driver | ||
|  |  * | ||
|  |  * Copyright 2012-2013 STMicroelectronics Inc. | ||
|  |  * | ||
|  |  * Denis Ciocca <denis.ciocca@st.com> | ||
|  |  * | ||
|  |  * Licensed under the GPL-2. | ||
|  |  */ | ||
|  | 
 | ||
|  | #include <linux/kernel.h>
 | ||
|  | #include <linux/module.h>
 | ||
|  | #include <linux/slab.h>
 | ||
|  | #include <linux/spi/spi.h>
 | ||
|  | #include <linux/iio/iio.h>
 | ||
|  | 
 | ||
|  | #include <linux/iio/common/st_sensors.h>
 | ||
|  | #include <linux/iio/common/st_sensors_spi.h>
 | ||
|  | #include "st_gyro.h"
 | ||
|  | 
 | ||
|  | static int st_gyro_spi_probe(struct spi_device *spi) | ||
|  | { | ||
|  | 	struct iio_dev *indio_dev; | ||
|  | 	struct st_sensor_data *gdata; | ||
|  | 	int err; | ||
|  | 
 | ||
|  | 	indio_dev = iio_device_alloc(sizeof(*gdata)); | ||
|  | 	if (indio_dev == NULL) { | ||
|  | 		err = -ENOMEM; | ||
|  | 		goto iio_device_alloc_error; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	gdata = iio_priv(indio_dev); | ||
|  | 	gdata->dev = &spi->dev; | ||
|  | 
 | ||
|  | 	st_sensors_spi_configure(indio_dev, spi, gdata); | ||
|  | 
 | ||
|  | 	err = st_gyro_common_probe(indio_dev); | ||
|  | 	if (err < 0) | ||
|  | 		goto st_gyro_common_probe_error; | ||
|  | 
 | ||
|  | 	return 0; | ||
|  | 
 | ||
|  | st_gyro_common_probe_error: | ||
|  | 	iio_device_free(indio_dev); | ||
|  | iio_device_alloc_error: | ||
|  | 	return err; | ||
|  | } | ||
|  | 
 | ||
|  | static int st_gyro_spi_remove(struct spi_device *spi) | ||
|  | { | ||
|  | 	st_gyro_common_remove(spi_get_drvdata(spi)); | ||
|  | 
 | ||
|  | 	return 0; | ||
|  | } | ||
|  | 
 | ||
|  | static const struct spi_device_id st_gyro_id_table[] = { | ||
|  | 	{ L3G4200D_GYRO_DEV_NAME }, | ||
|  | 	{ LSM330D_GYRO_DEV_NAME }, | ||
|  | 	{ LSM330DL_GYRO_DEV_NAME }, | ||
|  | 	{ LSM330DLC_GYRO_DEV_NAME }, | ||
|  | 	{ L3GD20_GYRO_DEV_NAME }, | ||
|  | 	{ L3GD20H_GYRO_DEV_NAME }, | ||
|  | 	{ L3G4IS_GYRO_DEV_NAME }, | ||
|  | 	{ LSM330_GYRO_DEV_NAME }, | ||
|  | 	{}, | ||
|  | }; | ||
|  | MODULE_DEVICE_TABLE(spi, st_gyro_id_table); | ||
|  | 
 | ||
|  | static struct spi_driver st_gyro_driver = { | ||
|  | 	.driver = { | ||
|  | 		.owner = THIS_MODULE, | ||
|  | 		.name = "st-gyro-spi", | ||
|  | 	}, | ||
|  | 	.probe = st_gyro_spi_probe, | ||
|  | 	.remove = st_gyro_spi_remove, | ||
|  | 	.id_table = st_gyro_id_table, | ||
|  | }; | ||
|  | module_spi_driver(st_gyro_driver); | ||
|  | 
 | ||
|  | MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); | ||
|  | MODULE_DESCRIPTION("STMicroelectronics gyroscopes spi driver"); | ||
|  | MODULE_LICENSE("GPL v2"); |