[deliverable/linux.git] / drivers / iio / pressure / st_pressure_core.c

/*
 * STMicroelectronics pressures driver
 *
 * Copyright 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/errno.h>
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/trigger.h>
#include <linux/iio/buffer.h>
#include <asm/unaligned.h>

#include <linux/iio/common/st_sensors.h>
#include "st_pressure.h"

#define ST_PRESS_LSB_PER_MBAR			4096UL
#define ST_PRESS_KPASCAL_NANO_SCALE		(100000000UL / \
						 ST_PRESS_LSB_PER_MBAR)
#define ST_PRESS_LSB_PER_CELSIUS		480UL
#define ST_PRESS_CELSIUS_NANO_SCALE		(1000000000UL / \
						 ST_PRESS_LSB_PER_CELSIUS)
#define ST_PRESS_NUMBER_DATA_CHANNELS		1

/* FULLSCALE */
#define ST_PRESS_FS_AVL_1260MB			1260

#define ST_PRESS_1_OUT_XL_ADDR			0x28
#define ST_TEMP_1_OUT_L_ADDR			0x2b

/* CUSTOM VALUES FOR LPS331AP SENSOR */
#define ST_PRESS_LPS331AP_WAI_EXP		0xbb
#define ST_PRESS_LPS331AP_ODR_ADDR		0x20
#define ST_PRESS_LPS331AP_ODR_MASK		0x70
#define ST_PRESS_LPS331AP_ODR_AVL_1HZ_VAL	0x01
#define ST_PRESS_LPS331AP_ODR_AVL_7HZ_VAL	0x05
#define ST_PRESS_LPS331AP_ODR_AVL_13HZ_VAL	0x06
#define ST_PRESS_LPS331AP_ODR_AVL_25HZ_VAL	0x07
#define ST_PRESS_LPS331AP_PW_ADDR		0x20
#define ST_PRESS_LPS331AP_PW_MASK		0x80
#define ST_PRESS_LPS331AP_FS_ADDR		0x23
#define ST_PRESS_LPS331AP_FS_MASK		0x30
#define ST_PRESS_LPS331AP_FS_AVL_1260_VAL	0x00
#define ST_PRESS_LPS331AP_FS_AVL_1260_GAIN	ST_PRESS_KPASCAL_NANO_SCALE
#define ST_PRESS_LPS331AP_FS_AVL_TEMP_GAIN	ST_PRESS_CELSIUS_NANO_SCALE
#define ST_PRESS_LPS331AP_BDU_ADDR		0x20
#define ST_PRESS_LPS331AP_BDU_MASK		0x04
#define ST_PRESS_LPS331AP_DRDY_IRQ_ADDR		0x22
#define ST_PRESS_LPS331AP_DRDY_IRQ_INT1_MASK	0x04
#define ST_PRESS_LPS331AP_DRDY_IRQ_INT2_MASK	0x20
#define ST_PRESS_LPS331AP_IHL_IRQ_ADDR		0x22
#define ST_PRESS_LPS331AP_IHL_IRQ_MASK		0x80
#define ST_PRESS_LPS331AP_OD_IRQ_ADDR		0x22
#define ST_PRESS_LPS331AP_OD_IRQ_MASK		0x40
#define ST_PRESS_LPS331AP_MULTIREAD_BIT		true
#define ST_PRESS_LPS331AP_TEMP_OFFSET		42500

/* CUSTOM VALUES FOR LPS001WP SENSOR */
#define ST_PRESS_LPS001WP_WAI_EXP		0xba
#define ST_PRESS_LPS001WP_ODR_ADDR		0x20
#define ST_PRESS_LPS001WP_ODR_MASK		0x30
#define ST_PRESS_LPS001WP_ODR_AVL_1HZ_VAL	0x01
#define ST_PRESS_LPS001WP_ODR_AVL_7HZ_VAL	0x02
#define ST_PRESS_LPS001WP_ODR_AVL_13HZ_VAL	0x03
#define ST_PRESS_LPS001WP_PW_ADDR		0x20
#define ST_PRESS_LPS001WP_PW_MASK		0x40
#define ST_PRESS_LPS001WP_BDU_ADDR		0x20
#define ST_PRESS_LPS001WP_BDU_MASK		0x04
#define ST_PRESS_LPS001WP_MULTIREAD_BIT		true
#define ST_PRESS_LPS001WP_OUT_L_ADDR		0x28
#define ST_TEMP_LPS001WP_OUT_L_ADDR		0x2a

/* CUSTOM VALUES FOR LPS25H SENSOR */
#define ST_PRESS_LPS25H_WAI_EXP			0xbd
#define ST_PRESS_LPS25H_ODR_ADDR		0x20
#define ST_PRESS_LPS25H_ODR_MASK		0x70
#define ST_PRESS_LPS25H_ODR_AVL_1HZ_VAL		0x01
#define ST_PRESS_LPS25H_ODR_AVL_7HZ_VAL		0x02
#define ST_PRESS_LPS25H_ODR_AVL_13HZ_VAL	0x03
#define ST_PRESS_LPS25H_ODR_AVL_25HZ_VAL	0x04
#define ST_PRESS_LPS25H_PW_ADDR			0x20
#define ST_PRESS_LPS25H_PW_MASK			0x80
#define ST_PRESS_LPS25H_FS_ADDR			0x00
#define ST_PRESS_LPS25H_FS_MASK			0x00
#define ST_PRESS_LPS25H_FS_AVL_1260_VAL		0x00
#define ST_PRESS_LPS25H_FS_AVL_1260_GAIN	ST_PRESS_KPASCAL_NANO_SCALE
#define ST_PRESS_LPS25H_FS_AVL_TEMP_GAIN	ST_PRESS_CELSIUS_NANO_SCALE
#define ST_PRESS_LPS25H_BDU_ADDR		0x20
#define ST_PRESS_LPS25H_BDU_MASK		0x04
#define ST_PRESS_LPS25H_DRDY_IRQ_ADDR		0x23
#define ST_PRESS_LPS25H_DRDY_IRQ_INT1_MASK	0x01
#define ST_PRESS_LPS25H_DRDY_IRQ_INT2_MASK	0x10
#define ST_PRESS_LPS25H_IHL_IRQ_ADDR		0x22
#define ST_PRESS_LPS25H_IHL_IRQ_MASK		0x80
#define ST_PRESS_LPS25H_OD_IRQ_ADDR		0x22
#define ST_PRESS_LPS25H_OD_IRQ_MASK		0x40
#define ST_PRESS_LPS25H_MULTIREAD_BIT		true
#define ST_PRESS_LPS25H_TEMP_OFFSET		42500
#define ST_PRESS_LPS25H_OUT_XL_ADDR		0x28
#define ST_TEMP_LPS25H_OUT_L_ADDR		0x2b

static const struct iio_chan_spec st_press_1_channels[] = {
	{
		.type = IIO_PRESSURE,
		.channel2 = IIO_NO_MOD,
		.address = ST_PRESS_1_OUT_XL_ADDR,
		.scan_index = ST_SENSORS_SCAN_X,
		.scan_type = {
			.sign = 'u',
			.realbits = 24,
			.storagebits = 24,
			.endianness = IIO_LE,
		},
		.info_mask_separate =
			BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
		.modified = 0,
	},
	{
		.type = IIO_TEMP,
		.channel2 = IIO_NO_MOD,
		.address = ST_TEMP_1_OUT_L_ADDR,
		.scan_index = -1,
		.scan_type = {
			.sign = 'u',
			.realbits = 16,
			.storagebits = 16,
			.endianness = IIO_LE,
		},
		.info_mask_separate =
			BIT(IIO_CHAN_INFO_RAW) |
			BIT(IIO_CHAN_INFO_SCALE) |
			BIT(IIO_CHAN_INFO_OFFSET),
		.modified = 0,
	},
	IIO_CHAN_SOFT_TIMESTAMP(1)
};

static const struct iio_chan_spec st_press_lps001wp_channels[] = {
	{
		.type = IIO_PRESSURE,
		.channel2 = IIO_NO_MOD,
		.address = ST_PRESS_LPS001WP_OUT_L_ADDR,
		.scan_index = ST_SENSORS_SCAN_X,
		.scan_type = {
			.sign = 'u',
			.realbits = 16,
			.storagebits = 16,
			.endianness = IIO_LE,
		},
		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
		.modified = 0,
	},
	{
		.type = IIO_TEMP,
		.channel2 = IIO_NO_MOD,
		.address = ST_TEMP_LPS001WP_OUT_L_ADDR,
		.scan_index = -1,
		.scan_type = {
			.sign = 'u',
			.realbits = 16,
			.storagebits = 16,
			.endianness = IIO_LE,
		},
		.info_mask_separate =
			BIT(IIO_CHAN_INFO_RAW) |
			BIT(IIO_CHAN_INFO_OFFSET),
		.modified = 0,
	},
	IIO_CHAN_SOFT_TIMESTAMP(1)
};

static const struct st_sensor_settings st_press_sensors_settings[] = {
	{
		.wai = ST_PRESS_LPS331AP_WAI_EXP,
		.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
		.sensors_supported = {
			[0] = LPS331AP_PRESS_DEV_NAME,
		},
		.ch = (struct iio_chan_spec *)st_press_1_channels,
		.num_ch = ARRAY_SIZE(st_press_1_channels),
		.odr = {
			.addr = ST_PRESS_LPS331AP_ODR_ADDR,
			.mask = ST_PRESS_LPS331AP_ODR_MASK,
			.odr_avl = {
				{ 1, ST_PRESS_LPS331AP_ODR_AVL_1HZ_VAL, },
				{ 7, ST_PRESS_LPS331AP_ODR_AVL_7HZ_VAL, },
				{ 13, ST_PRESS_LPS331AP_ODR_AVL_13HZ_VAL, },
				{ 25, ST_PRESS_LPS331AP_ODR_AVL_25HZ_VAL, },
			},
		},
		.pw = {
			.addr = ST_PRESS_LPS331AP_PW_ADDR,
			.mask = ST_PRESS_LPS331AP_PW_MASK,
			.value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
			.value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
		},
		.fs = {
			.addr = ST_PRESS_LPS331AP_FS_ADDR,
			.mask = ST_PRESS_LPS331AP_FS_MASK,
			.fs_avl = {
				[0] = {
					.num = ST_PRESS_FS_AVL_1260MB,
					.value = ST_PRESS_LPS331AP_FS_AVL_1260_VAL,
					.gain = ST_PRESS_LPS331AP_FS_AVL_1260_GAIN,
					.gain2 = ST_PRESS_LPS331AP_FS_AVL_TEMP_GAIN,
				},
			},
		},
		.bdu = {
			.addr = ST_PRESS_LPS331AP_BDU_ADDR,
			.mask = ST_PRESS_LPS331AP_BDU_MASK,
		},
		.drdy_irq = {
			.addr = ST_PRESS_LPS331AP_DRDY_IRQ_ADDR,
			.mask_int1 = ST_PRESS_LPS331AP_DRDY_IRQ_INT1_MASK,
			.mask_int2 = ST_PRESS_LPS331AP_DRDY_IRQ_INT2_MASK,
			.addr_ihl = ST_PRESS_LPS331AP_IHL_IRQ_ADDR,
			.mask_ihl = ST_PRESS_LPS331AP_IHL_IRQ_MASK,
			.addr_od = ST_PRESS_LPS331AP_OD_IRQ_ADDR,
			.mask_od = ST_PRESS_LPS331AP_OD_IRQ_MASK,
			.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
		},
		.multi_read_bit = ST_PRESS_LPS331AP_MULTIREAD_BIT,
		.bootime = 2,
	},
	{
		.wai = ST_PRESS_LPS001WP_WAI_EXP,
		.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
		.sensors_supported = {
			[0] = LPS001WP_PRESS_DEV_NAME,
		},
		.ch = (struct iio_chan_spec *)st_press_lps001wp_channels,
		.num_ch = ARRAY_SIZE(st_press_lps001wp_channels),
		.odr = {
			.addr = ST_PRESS_LPS001WP_ODR_ADDR,
			.mask = ST_PRESS_LPS001WP_ODR_MASK,
			.odr_avl = {
				{ 1, ST_PRESS_LPS001WP_ODR_AVL_1HZ_VAL, },
				{ 7, ST_PRESS_LPS001WP_ODR_AVL_7HZ_VAL, },
				{ 13, ST_PRESS_LPS001WP_ODR_AVL_13HZ_VAL, },
			},
		},
		.pw = {
			.addr = ST_PRESS_LPS001WP_PW_ADDR,
			.mask = ST_PRESS_LPS001WP_PW_MASK,
			.value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
			.value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
		},
		.fs = {
			.addr = 0,
		},
		.bdu = {
			.addr = ST_PRESS_LPS001WP_BDU_ADDR,
			.mask = ST_PRESS_LPS001WP_BDU_MASK,
		},
		.drdy_irq = {
			.addr = 0,
		},
		.multi_read_bit = ST_PRESS_LPS001WP_MULTIREAD_BIT,
		.bootime = 2,
	},
	{
		.wai = ST_PRESS_LPS25H_WAI_EXP,
		.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
		.sensors_supported = {
			[0] = LPS25H_PRESS_DEV_NAME,
		},
		.ch = (struct iio_chan_spec *)st_press_1_channels,
		.num_ch = ARRAY_SIZE(st_press_1_channels),
		.odr = {
			.addr = ST_PRESS_LPS25H_ODR_ADDR,
			.mask = ST_PRESS_LPS25H_ODR_MASK,
			.odr_avl = {
				{ 1, ST_PRESS_LPS25H_ODR_AVL_1HZ_VAL, },
				{ 7, ST_PRESS_LPS25H_ODR_AVL_7HZ_VAL, },
				{ 13, ST_PRESS_LPS25H_ODR_AVL_13HZ_VAL, },
				{ 25, ST_PRESS_LPS25H_ODR_AVL_25HZ_VAL, },
			},
		},
		.pw = {
			.addr = ST_PRESS_LPS25H_PW_ADDR,
			.mask = ST_PRESS_LPS25H_PW_MASK,
			.value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
			.value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
		},
		.fs = {
			.addr = ST_PRESS_LPS25H_FS_ADDR,
			.mask = ST_PRESS_LPS25H_FS_MASK,
			.fs_avl = {
				[0] = {
					.num = ST_PRESS_FS_AVL_1260MB,
					.value = ST_PRESS_LPS25H_FS_AVL_1260_VAL,
					.gain = ST_PRESS_LPS25H_FS_AVL_1260_GAIN,
					.gain2 = ST_PRESS_LPS25H_FS_AVL_TEMP_GAIN,
				},
			},
		},
		.bdu = {
			.addr = ST_PRESS_LPS25H_BDU_ADDR,
			.mask = ST_PRESS_LPS25H_BDU_MASK,
		},
		.drdy_irq = {
			.addr = ST_PRESS_LPS25H_DRDY_IRQ_ADDR,
			.mask_int1 = ST_PRESS_LPS25H_DRDY_IRQ_INT1_MASK,
			.mask_int2 = ST_PRESS_LPS25H_DRDY_IRQ_INT2_MASK,
			.addr_ihl = ST_PRESS_LPS25H_IHL_IRQ_ADDR,
			.mask_ihl = ST_PRESS_LPS25H_IHL_IRQ_MASK,
			.addr_od = ST_PRESS_LPS25H_OD_IRQ_ADDR,
			.mask_od = ST_PRESS_LPS25H_OD_IRQ_MASK,
			.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
		},
		.multi_read_bit = ST_PRESS_LPS25H_MULTIREAD_BIT,
		.bootime = 2,
	},
};

static int st_press_write_raw(struct iio_dev *indio_dev,
			      struct iio_chan_spec const *ch,
			      int val,
			      int val2,
			      long mask)
{
	int err;

	switch (mask) {
	case IIO_CHAN_INFO_SAMP_FREQ:
		if (val2)
			return -EINVAL;
		mutex_lock(&indio_dev->mlock);
		err = st_sensors_set_odr(indio_dev, val);
		mutex_unlock(&indio_dev->mlock);
		return err;
	default:
		return -EINVAL;
	}
}

static int st_press_read_raw(struct iio_dev *indio_dev,
			struct iio_chan_spec const *ch, int *val,
							int *val2, long mask)
{
	int err;
	struct st_sensor_data *press_data = iio_priv(indio_dev);

	switch (mask) {
	case IIO_CHAN_INFO_RAW:
		err = st_sensors_read_info_raw(indio_dev, ch, val);
		if (err < 0)
			goto read_error;

		return IIO_VAL_INT;
	case IIO_CHAN_INFO_SCALE:
		*val = 0;

		switch (ch->type) {
		case IIO_PRESSURE:
			*val2 = press_data->current_fullscale->gain;
			break;
		case IIO_TEMP:
			*val2 = press_data->current_fullscale->gain2;
			break;
		default:
			err = -EINVAL;
			goto read_error;
		}

		return IIO_VAL_INT_PLUS_NANO;
	case IIO_CHAN_INFO_OFFSET:
		switch (ch->type) {
		case IIO_TEMP:
			*val = 425;
			*val2 = 10;
			break;
		default:
			err = -EINVAL;
			goto read_error;
		}

		return IIO_VAL_FRACTIONAL;
	case IIO_CHAN_INFO_SAMP_FREQ:
		*val = press_data->odr;
		return IIO_VAL_INT;
	default:
		return -EINVAL;
	}

read_error:
	return err;
}

static ST_SENSORS_DEV_ATTR_SAMP_FREQ_AVAIL();

static struct attribute *st_press_attributes[] = {
	&iio_dev_attr_sampling_frequency_available.dev_attr.attr,
	NULL,
};

static const struct attribute_group st_press_attribute_group = {
	.attrs = st_press_attributes,
};

static const struct iio_info press_info = {
	.driver_module = THIS_MODULE,
	.attrs = &st_press_attribute_group,
	.read_raw = &st_press_read_raw,
	.write_raw = &st_press_write_raw,
	.debugfs_reg_access = &st_sensors_debugfs_reg_access,
};

#ifdef CONFIG_IIO_TRIGGER
static const struct iio_trigger_ops st_press_trigger_ops = {
	.owner = THIS_MODULE,
	.set_trigger_state = ST_PRESS_TRIGGER_SET_STATE,
};
#define ST_PRESS_TRIGGER_OPS (&st_press_trigger_ops)
#else
#define ST_PRESS_TRIGGER_OPS NULL
#endif

int st_press_common_probe(struct iio_dev *indio_dev)
{
	struct st_sensor_data *press_data = iio_priv(indio_dev);
	int irq = press_data->get_irq_data_ready(indio_dev);
	int err;

	indio_dev->modes = INDIO_DIRECT_MODE;
	indio_dev->info = &press_info;
	mutex_init(&press_data->tb.buf_lock);

	st_sensors_power_enable(indio_dev);

	err = st_sensors_check_device_support(indio_dev,
					ARRAY_SIZE(st_press_sensors_settings),
					st_press_sensors_settings);
	if (err < 0)
		return err;

	press_data->num_data_channels = ST_PRESS_NUMBER_DATA_CHANNELS;
	press_data->multiread_bit = press_data->sensor_settings->multi_read_bit;
	indio_dev->channels = press_data->sensor_settings->ch;
	indio_dev->num_channels = press_data->sensor_settings->num_ch;

	if (press_data->sensor_settings->fs.addr != 0)
		press_data->current_fullscale =
			(struct st_sensor_fullscale_avl *)
				&press_data->sensor_settings->fs.fs_avl[0];

	press_data->odr = press_data->sensor_settings->odr.odr_avl[0].hz;

	/* Some devices don't support a data ready pin. */
	if (!press_data->dev->platform_data &&
				press_data->sensor_settings->drdy_irq.addr)
		press_data->dev->platform_data =
			(struct st_sensors_platform_data *)&default_press_pdata;

	err = st_sensors_init_sensor(indio_dev, press_data->dev->platform_data);
	if (err < 0)
		return err;

	err = st_press_allocate_ring(indio_dev);
	if (err < 0)
		return err;

	if (irq > 0) {
		err = st_sensors_allocate_trigger(indio_dev,
						  ST_PRESS_TRIGGER_OPS);
		if (err < 0)
			goto st_press_probe_trigger_error;
	}

	err = iio_device_register(indio_dev);
	if (err)
		goto st_press_device_register_error;

	dev_info(&indio_dev->dev, "registered pressure sensor %s\n",
		 indio_dev->name);

	return err;

st_press_device_register_error:
	if (irq > 0)
		st_sensors_deallocate_trigger(indio_dev);
st_press_probe_trigger_error:
	st_press_deallocate_ring(indio_dev);

	return err;
}
EXPORT_SYMBOL(st_press_common_probe);

void st_press_common_remove(struct iio_dev *indio_dev)
{
	struct st_sensor_data *press_data = iio_priv(indio_dev);

	st_sensors_power_disable(indio_dev);

	iio_device_unregister(indio_dev);
	if (press_data->get_irq_data_ready(indio_dev) > 0)
		st_sensors_deallocate_trigger(indio_dev);

	st_press_deallocate_ring(indio_dev);
}
EXPORT_SYMBOL(st_press_common_remove);

MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
MODULE_DESCRIPTION("STMicroelectronics pressures driver");
MODULE_LICENSE("GPL v2");
Commit	Line	Data
217494e5 DC	1	/*
	2	* STMicroelectronics pressures driver
	3	*
	4	* Copyright 2013 STMicroelectronics Inc.
	5	*
	6	* Denis Ciocca <denis.ciocca@st.com>
	7	*
	8	* Licensed under the GPL-2.
	9	*/
	10
	11	#include <linux/kernel.h>
	12	#include <linux/module.h>
	13	#include <linux/slab.h>
	14	#include <linux/errno.h>
	15	#include <linux/types.h>
	16	#include <linux/mutex.h>
	17	#include <linux/interrupt.h>
	18	#include <linux/i2c.h>
	19	#include <linux/gpio.h>
	20	#include <linux/irq.h>
	21	#include <linux/delay.h>
	22	#include <linux/iio/iio.h>
	23	#include <linux/iio/sysfs.h>
	24	#include <linux/iio/trigger.h>
	25	#include <linux/iio/buffer.h>
	26	#include <asm/unaligned.h>
	27
	28	#include <linux/iio/common/st_sensors.h>
	29	#include "st_pressure.h"
	30
67dbf54a JA	31	#define ST_PRESS_LSB_PER_MBAR 4096UL
	32	#define ST_PRESS_KPASCAL_NANO_SCALE (100000000UL / \
	33	ST_PRESS_LSB_PER_MBAR)
1003eb67 JA	34	#define ST_PRESS_LSB_PER_CELSIUS 480UL
	35	#define ST_PRESS_CELSIUS_NANO_SCALE (1000000000UL / \
	36	ST_PRESS_LSB_PER_CELSIUS)
217494e5 DC	37	#define ST_PRESS_NUMBER_DATA_CHANNELS 1
217494e5 DC	38
217494e5 DC	39	/* FULLSCALE */
	40	#define ST_PRESS_FS_AVL_1260MB 1260
	41
93187840 DC	42	#define ST_PRESS_1_OUT_XL_ADDR 0x28
	43	#define ST_TEMP_1_OUT_L_ADDR 0x2b
	44
302fbd50 LJ	45	/* CUSTOM VALUES FOR LPS331AP SENSOR */
	46	#define ST_PRESS_LPS331AP_WAI_EXP 0xbb
	47	#define ST_PRESS_LPS331AP_ODR_ADDR 0x20
	48	#define ST_PRESS_LPS331AP_ODR_MASK 0x70
	49	#define ST_PRESS_LPS331AP_ODR_AVL_1HZ_VAL 0x01
	50	#define ST_PRESS_LPS331AP_ODR_AVL_7HZ_VAL 0x05
	51	#define ST_PRESS_LPS331AP_ODR_AVL_13HZ_VAL 0x06
	52	#define ST_PRESS_LPS331AP_ODR_AVL_25HZ_VAL 0x07
	53	#define ST_PRESS_LPS331AP_PW_ADDR 0x20
	54	#define ST_PRESS_LPS331AP_PW_MASK 0x80
	55	#define ST_PRESS_LPS331AP_FS_ADDR 0x23
	56	#define ST_PRESS_LPS331AP_FS_MASK 0x30
	57	#define ST_PRESS_LPS331AP_FS_AVL_1260_VAL 0x00
	58	#define ST_PRESS_LPS331AP_FS_AVL_1260_GAIN ST_PRESS_KPASCAL_NANO_SCALE
	59	#define ST_PRESS_LPS331AP_FS_AVL_TEMP_GAIN ST_PRESS_CELSIUS_NANO_SCALE
	60	#define ST_PRESS_LPS331AP_BDU_ADDR 0x20
	61	#define ST_PRESS_LPS331AP_BDU_MASK 0x04
	62	#define ST_PRESS_LPS331AP_DRDY_IRQ_ADDR 0x22
	63	#define ST_PRESS_LPS331AP_DRDY_IRQ_INT1_MASK 0x04
	64	#define ST_PRESS_LPS331AP_DRDY_IRQ_INT2_MASK 0x20
a9fd053b LW	65	#define ST_PRESS_LPS331AP_IHL_IRQ_ADDR 0x22
a9fd053b LW	66	#define ST_PRESS_LPS331AP_IHL_IRQ_MASK 0x80
0e6f6871 LW	67	#define ST_PRESS_LPS331AP_OD_IRQ_ADDR 0x22
0e6f6871 LW	68	#define ST_PRESS_LPS331AP_OD_IRQ_MASK 0x40
302fbd50 LJ	69	#define ST_PRESS_LPS331AP_MULTIREAD_BIT true
302fbd50 LJ	70	#define ST_PRESS_LPS331AP_TEMP_OFFSET 42500
217494e5	71
7885a8ce LJ	72	/* CUSTOM VALUES FOR LPS001WP SENSOR */
	73	#define ST_PRESS_LPS001WP_WAI_EXP 0xba
	74	#define ST_PRESS_LPS001WP_ODR_ADDR 0x20
	75	#define ST_PRESS_LPS001WP_ODR_MASK 0x30
	76	#define ST_PRESS_LPS001WP_ODR_AVL_1HZ_VAL 0x01
	77	#define ST_PRESS_LPS001WP_ODR_AVL_7HZ_VAL 0x02
	78	#define ST_PRESS_LPS001WP_ODR_AVL_13HZ_VAL 0x03
	79	#define ST_PRESS_LPS001WP_PW_ADDR 0x20
	80	#define ST_PRESS_LPS001WP_PW_MASK 0x40
	81	#define ST_PRESS_LPS001WP_BDU_ADDR 0x20
	82	#define ST_PRESS_LPS001WP_BDU_MASK 0x04
	83	#define ST_PRESS_LPS001WP_MULTIREAD_BIT true
	84	#define ST_PRESS_LPS001WP_OUT_L_ADDR 0x28
	85	#define ST_TEMP_LPS001WP_OUT_L_ADDR 0x2a
	86
93187840 DC	87	/* CUSTOM VALUES FOR LPS25H SENSOR */
	88	#define ST_PRESS_LPS25H_WAI_EXP 0xbd
	89	#define ST_PRESS_LPS25H_ODR_ADDR 0x20
	90	#define ST_PRESS_LPS25H_ODR_MASK 0x70
	91	#define ST_PRESS_LPS25H_ODR_AVL_1HZ_VAL 0x01
	92	#define ST_PRESS_LPS25H_ODR_AVL_7HZ_VAL 0x02
	93	#define ST_PRESS_LPS25H_ODR_AVL_13HZ_VAL 0x03
	94	#define ST_PRESS_LPS25H_ODR_AVL_25HZ_VAL 0x04
	95	#define ST_PRESS_LPS25H_PW_ADDR 0x20
	96	#define ST_PRESS_LPS25H_PW_MASK 0x80
	97	#define ST_PRESS_LPS25H_FS_ADDR 0x00
	98	#define ST_PRESS_LPS25H_FS_MASK 0x00
	99	#define ST_PRESS_LPS25H_FS_AVL_1260_VAL 0x00
	100	#define ST_PRESS_LPS25H_FS_AVL_1260_GAIN ST_PRESS_KPASCAL_NANO_SCALE
	101	#define ST_PRESS_LPS25H_FS_AVL_TEMP_GAIN ST_PRESS_CELSIUS_NANO_SCALE
	102	#define ST_PRESS_LPS25H_BDU_ADDR 0x20
	103	#define ST_PRESS_LPS25H_BDU_MASK 0x04
	104	#define ST_PRESS_LPS25H_DRDY_IRQ_ADDR 0x23
	105	#define ST_PRESS_LPS25H_DRDY_IRQ_INT1_MASK 0x01
	106	#define ST_PRESS_LPS25H_DRDY_IRQ_INT2_MASK 0x10
a9fd053b LW	107	#define ST_PRESS_LPS25H_IHL_IRQ_ADDR 0x22
a9fd053b LW	108	#define ST_PRESS_LPS25H_IHL_IRQ_MASK 0x80
0e6f6871 LW	109	#define ST_PRESS_LPS25H_OD_IRQ_ADDR 0x22
0e6f6871 LW	110	#define ST_PRESS_LPS25H_OD_IRQ_MASK 0x40
93187840 DC	111	#define ST_PRESS_LPS25H_MULTIREAD_BIT true
	112	#define ST_PRESS_LPS25H_TEMP_OFFSET 42500
	113	#define ST_PRESS_LPS25H_OUT_XL_ADDR 0x28
	114	#define ST_TEMP_LPS25H_OUT_L_ADDR 0x2b
	115
	116	static const struct iio_chan_spec st_press_1_channels[] = {
2f5effcb LJ	117	{
	118	.type = IIO_PRESSURE,
	119	.channel2 = IIO_NO_MOD,
93187840	120	.address = ST_PRESS_1_OUT_XL_ADDR,
2f5effcb LJ	121	.scan_index = ST_SENSORS_SCAN_X,
	122	.scan_type = {
	123	.sign = 'u',
	124	.realbits = 24,
	125	.storagebits = 24,
	126	.endianness = IIO_LE,
	127	},
	128	.info_mask_separate =
217494e5	129	BIT(IIO_CHAN_INFO_RAW) \| BIT(IIO_CHAN_INFO_SCALE),
2f5effcb LJ	130	.modified = 0,
	131	},
	132	{
	133	.type = IIO_TEMP,
	134	.channel2 = IIO_NO_MOD,
93187840	135	.address = ST_TEMP_1_OUT_L_ADDR,
2f5effcb LJ	136	.scan_index = -1,
	137	.scan_type = {
	138	.sign = 'u',
	139	.realbits = 16,
	140	.storagebits = 16,
	141	.endianness = IIO_LE,
	142	},
	143	.info_mask_separate =
	144	BIT(IIO_CHAN_INFO_RAW) \|
	145	BIT(IIO_CHAN_INFO_SCALE) \|
	146	BIT(IIO_CHAN_INFO_OFFSET),
	147	.modified = 0,
	148	},
217494e5 DC	149	IIO_CHAN_SOFT_TIMESTAMP(1)
	150	};
	151
7885a8ce LJ	152	static const struct iio_chan_spec st_press_lps001wp_channels[] = {
	153	{
	154	.type = IIO_PRESSURE,
	155	.channel2 = IIO_NO_MOD,
	156	.address = ST_PRESS_LPS001WP_OUT_L_ADDR,
	157	.scan_index = ST_SENSORS_SCAN_X,
	158	.scan_type = {
	159	.sign = 'u',
	160	.realbits = 16,
	161	.storagebits = 16,
	162	.endianness = IIO_LE,
	163	},
	164	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
	165	.modified = 0,
	166	},
	167	{
	168	.type = IIO_TEMP,
	169	.channel2 = IIO_NO_MOD,
	170	.address = ST_TEMP_LPS001WP_OUT_L_ADDR,
	171	.scan_index = -1,
	172	.scan_type = {
	173	.sign = 'u',
	174	.realbits = 16,
	175	.storagebits = 16,
	176	.endianness = IIO_LE,
	177	},
	178	.info_mask_separate =
	179	BIT(IIO_CHAN_INFO_RAW) \|
	180	BIT(IIO_CHAN_INFO_OFFSET),
	181	.modified = 0,
	182	},
	183	IIO_CHAN_SOFT_TIMESTAMP(1)
	184	};
	185
a7ee8839	186	static const struct st_sensor_settings st_press_sensors_settings[] = {
217494e5	187	{
302fbd50	188	.wai = ST_PRESS_LPS331AP_WAI_EXP,
bc27381e	189	.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
217494e5 DC	190	.sensors_supported = {
	191	[0] = LPS331AP_PRESS_DEV_NAME,
	192	},
93187840 DC	193	.ch = (struct iio_chan_spec *)st_press_1_channels,
93187840 DC	194	.num_ch = ARRAY_SIZE(st_press_1_channels),
217494e5	195	.odr = {
302fbd50 LJ	196	.addr = ST_PRESS_LPS331AP_ODR_ADDR,
302fbd50 LJ	197	.mask = ST_PRESS_LPS331AP_ODR_MASK,
217494e5	198	.odr_avl = {
302fbd50 LJ	199	{ 1, ST_PRESS_LPS331AP_ODR_AVL_1HZ_VAL, },
	200	{ 7, ST_PRESS_LPS331AP_ODR_AVL_7HZ_VAL, },
	201	{ 13, ST_PRESS_LPS331AP_ODR_AVL_13HZ_VAL, },
	202	{ 25, ST_PRESS_LPS331AP_ODR_AVL_25HZ_VAL, },
217494e5 DC	203	},
	204	},
	205	.pw = {
302fbd50 LJ	206	.addr = ST_PRESS_LPS331AP_PW_ADDR,
302fbd50 LJ	207	.mask = ST_PRESS_LPS331AP_PW_MASK,
217494e5 DC	208	.value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
	209	.value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
	210	},
	211	.fs = {
302fbd50 LJ	212	.addr = ST_PRESS_LPS331AP_FS_ADDR,
302fbd50 LJ	213	.mask = ST_PRESS_LPS331AP_FS_MASK,
217494e5 DC	214	.fs_avl = {
	215	[0] = {
	216	.num = ST_PRESS_FS_AVL_1260MB,
302fbd50 LJ	217	.value = ST_PRESS_LPS331AP_FS_AVL_1260_VAL,
	218	.gain = ST_PRESS_LPS331AP_FS_AVL_1260_GAIN,
	219	.gain2 = ST_PRESS_LPS331AP_FS_AVL_TEMP_GAIN,
217494e5 DC	220	},
	221	},
	222	},
	223	.bdu = {
302fbd50 LJ	224	.addr = ST_PRESS_LPS331AP_BDU_ADDR,
302fbd50 LJ	225	.mask = ST_PRESS_LPS331AP_BDU_MASK,
217494e5 DC	226	},
217494e5 DC	227	.drdy_irq = {
302fbd50 LJ	228	.addr = ST_PRESS_LPS331AP_DRDY_IRQ_ADDR,
	229	.mask_int1 = ST_PRESS_LPS331AP_DRDY_IRQ_INT1_MASK,
	230	.mask_int2 = ST_PRESS_LPS331AP_DRDY_IRQ_INT2_MASK,
a9fd053b LW	231	.addr_ihl = ST_PRESS_LPS331AP_IHL_IRQ_ADDR,
a9fd053b LW	232	.mask_ihl = ST_PRESS_LPS331AP_IHL_IRQ_MASK,
0e6f6871 LW	233	.addr_od = ST_PRESS_LPS331AP_OD_IRQ_ADDR,
0e6f6871 LW	234	.mask_od = ST_PRESS_LPS331AP_OD_IRQ_MASK,
97865fe4	235	.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
217494e5	236	},
302fbd50	237	.multi_read_bit = ST_PRESS_LPS331AP_MULTIREAD_BIT,
217494e5 DC	238	.bootime = 2,
217494e5 DC	239	},
7885a8ce LJ	240	{
7885a8ce LJ	241	.wai = ST_PRESS_LPS001WP_WAI_EXP,
bc27381e	242	.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
7885a8ce LJ	243	.sensors_supported = {
	244	[0] = LPS001WP_PRESS_DEV_NAME,
	245	},
	246	.ch = (struct iio_chan_spec *)st_press_lps001wp_channels,
	247	.num_ch = ARRAY_SIZE(st_press_lps001wp_channels),
	248	.odr = {
	249	.addr = ST_PRESS_LPS001WP_ODR_ADDR,
	250	.mask = ST_PRESS_LPS001WP_ODR_MASK,
	251	.odr_avl = {
	252	{ 1, ST_PRESS_LPS001WP_ODR_AVL_1HZ_VAL, },
	253	{ 7, ST_PRESS_LPS001WP_ODR_AVL_7HZ_VAL, },
	254	{ 13, ST_PRESS_LPS001WP_ODR_AVL_13HZ_VAL, },
	255	},
	256	},
	257	.pw = {
	258	.addr = ST_PRESS_LPS001WP_PW_ADDR,
	259	.mask = ST_PRESS_LPS001WP_PW_MASK,
	260	.value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
	261	.value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
	262	},
	263	.fs = {
	264	.addr = 0,
	265	},
	266	.bdu = {
	267	.addr = ST_PRESS_LPS001WP_BDU_ADDR,
	268	.mask = ST_PRESS_LPS001WP_BDU_MASK,
	269	},
	270	.drdy_irq = {
	271	.addr = 0,
	272	},
	273	.multi_read_bit = ST_PRESS_LPS001WP_MULTIREAD_BIT,
	274	.bootime = 2,
	275	},
93187840 DC	276	{
93187840 DC	277	.wai = ST_PRESS_LPS25H_WAI_EXP,
bc27381e	278	.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
93187840 DC	279	.sensors_supported = {
	280	[0] = LPS25H_PRESS_DEV_NAME,
	281	},
	282	.ch = (struct iio_chan_spec *)st_press_1_channels,
	283	.num_ch = ARRAY_SIZE(st_press_1_channels),
	284	.odr = {
	285	.addr = ST_PRESS_LPS25H_ODR_ADDR,
	286	.mask = ST_PRESS_LPS25H_ODR_MASK,
	287	.odr_avl = {
	288	{ 1, ST_PRESS_LPS25H_ODR_AVL_1HZ_VAL, },
	289	{ 7, ST_PRESS_LPS25H_ODR_AVL_7HZ_VAL, },
	290	{ 13, ST_PRESS_LPS25H_ODR_AVL_13HZ_VAL, },
	291	{ 25, ST_PRESS_LPS25H_ODR_AVL_25HZ_VAL, },
	292	},
	293	},
	294	.pw = {
	295	.addr = ST_PRESS_LPS25H_PW_ADDR,
	296	.mask = ST_PRESS_LPS25H_PW_MASK,
	297	.value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
	298	.value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
	299	},
	300	.fs = {
	301	.addr = ST_PRESS_LPS25H_FS_ADDR,
	302	.mask = ST_PRESS_LPS25H_FS_MASK,
	303	.fs_avl = {
	304	[0] = {
	305	.num = ST_PRESS_FS_AVL_1260MB,
	306	.value = ST_PRESS_LPS25H_FS_AVL_1260_VAL,
	307	.gain = ST_PRESS_LPS25H_FS_AVL_1260_GAIN,
	308	.gain2 = ST_PRESS_LPS25H_FS_AVL_TEMP_GAIN,
	309	},
	310	},
	311	},
	312	.bdu = {
	313	.addr = ST_PRESS_LPS25H_BDU_ADDR,
	314	.mask = ST_PRESS_LPS25H_BDU_MASK,
	315	},
	316	.drdy_irq = {
	317	.addr = ST_PRESS_LPS25H_DRDY_IRQ_ADDR,
	318	.mask_int1 = ST_PRESS_LPS25H_DRDY_IRQ_INT1_MASK,
	319	.mask_int2 = ST_PRESS_LPS25H_DRDY_IRQ_INT2_MASK,
a9fd053b LW	320	.addr_ihl = ST_PRESS_LPS25H_IHL_IRQ_ADDR,
a9fd053b LW	321	.mask_ihl = ST_PRESS_LPS25H_IHL_IRQ_MASK,
0e6f6871 LW	322	.addr_od = ST_PRESS_LPS25H_OD_IRQ_ADDR,
0e6f6871 LW	323	.mask_od = ST_PRESS_LPS25H_OD_IRQ_MASK,
97865fe4	324	.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
93187840 DC	325	},
	326	.multi_read_bit = ST_PRESS_LPS25H_MULTIREAD_BIT,
	327	.bootime = 2,
	328	},
217494e5 DC	329	};
217494e5 DC	330
2d239c9e JC	331	static int st_press_write_raw(struct iio_dev *indio_dev,
	332	struct iio_chan_spec const *ch,
	333	int val,
	334	int val2,
	335	long mask)
	336	{
	337	int err;
	338
	339	switch (mask) {
	340	case IIO_CHAN_INFO_SAMP_FREQ:
	341	if (val2)
	342	return -EINVAL;
	343	mutex_lock(&indio_dev->mlock);
	344	err = st_sensors_set_odr(indio_dev, val);
	345	mutex_unlock(&indio_dev->mlock);
	346	return err;
	347	default:
	348	return -EINVAL;
	349	}
	350	}
	351
217494e5 DC	352	static int st_press_read_raw(struct iio_dev *indio_dev,
	353	struct iio_chan_spec const ch, int val,
	354	int *val2, long mask)
	355	{
	356	int err;
a1dcf429	357	struct st_sensor_data *press_data = iio_priv(indio_dev);
217494e5 DC	358
	359	switch (mask) {
	360	case IIO_CHAN_INFO_RAW:
	361	err = st_sensors_read_info_raw(indio_dev, ch, val);
	362	if (err < 0)
	363	goto read_error;
	364
	365	return IIO_VAL_INT;
	366	case IIO_CHAN_INFO_SCALE:
	367	*val = 0;
	368
	369	switch (ch->type) {
	370	case IIO_PRESSURE:
a1dcf429	371	*val2 = press_data->current_fullscale->gain;
217494e5 DC	372	break;
217494e5 DC	373	case IIO_TEMP:
a1dcf429	374	*val2 = press_data->current_fullscale->gain2;
217494e5 DC	375	break;
	376	default:
	377	err = -EINVAL;
	378	goto read_error;
	379	}
	380
	381	return IIO_VAL_INT_PLUS_NANO;
	382	case IIO_CHAN_INFO_OFFSET:
	383	switch (ch->type) {
	384	case IIO_TEMP:
	385	*val = 425;
	386	*val2 = 10;
	387	break;
	388	default:
	389	err = -EINVAL;
	390	goto read_error;
	391	}
	392
	393	return IIO_VAL_FRACTIONAL;
2d239c9e	394	case IIO_CHAN_INFO_SAMP_FREQ:
a1dcf429	395	*val = press_data->odr;
2d239c9e	396	return IIO_VAL_INT;
217494e5 DC	397	default:
	398	return -EINVAL;
	399	}
	400
	401	read_error:
	402	return err;
	403	}
	404
217494e5 DC	405	static ST_SENSORS_DEV_ATTR_SAMP_FREQ_AVAIL();
	406
	407	static struct attribute *st_press_attributes[] = {
	408	&iio_dev_attr_sampling_frequency_available.dev_attr.attr,
217494e5 DC	409	NULL,
	410	};
	411
	412	static const struct attribute_group st_press_attribute_group = {
	413	.attrs = st_press_attributes,
	414	};
	415
	416	static const struct iio_info press_info = {
	417	.driver_module = THIS_MODULE,
	418	.attrs = &st_press_attribute_group,
	419	.read_raw = &st_press_read_raw,
2d239c9e	420	.write_raw = &st_press_write_raw,
a0175b9c	421	.debugfs_reg_access = &st_sensors_debugfs_reg_access,
217494e5 DC	422	};
	423
	424	#ifdef CONFIG_IIO_TRIGGER
	425	static const struct iio_trigger_ops st_press_trigger_ops = {
	426	.owner = THIS_MODULE,
	427	.set_trigger_state = ST_PRESS_TRIGGER_SET_STATE,
	428	};
	429	#define ST_PRESS_TRIGGER_OPS (&st_press_trigger_ops)
	430	#else
	431	#define ST_PRESS_TRIGGER_OPS NULL
	432	#endif
	433
0baa3fc1	434	int st_press_common_probe(struct iio_dev *indio_dev)
217494e5	435	{
a1dcf429 DC	436	struct st_sensor_data *press_data = iio_priv(indio_dev);
a1dcf429 DC	437	int irq = press_data->get_irq_data_ready(indio_dev);
a6cc5b25	438	int err;
217494e5 DC	439
	440	indio_dev->modes = INDIO_DIRECT_MODE;
	441	indio_dev->info = &press_info;
8e71c04f	442	mutex_init(&press_data->tb.buf_lock);
217494e5	443
ea7e586b	444	st_sensors_power_enable(indio_dev);
77448761	445
217494e5	446	err = st_sensors_check_device_support(indio_dev,
a7ee8839 DC	447	ARRAY_SIZE(st_press_sensors_settings),
a7ee8839 DC	448	st_press_sensors_settings);
217494e5	449	if (err < 0)
a6cc5b25	450	return err;
217494e5	451
a1dcf429 DC	452	press_data->num_data_channels = ST_PRESS_NUMBER_DATA_CHANNELS;
	453	press_data->multiread_bit = press_data->sensor_settings->multi_read_bit;
	454	indio_dev->channels = press_data->sensor_settings->ch;
	455	indio_dev->num_channels = press_data->sensor_settings->num_ch;
217494e5	456
a1dcf429 DC	457	if (press_data->sensor_settings->fs.addr != 0)
	458	press_data->current_fullscale =
	459	(struct st_sensor_fullscale_avl *)
	460	&press_data->sensor_settings->fs.fs_avl[0];
362f2f86	461
a1dcf429	462	press_data->odr = press_data->sensor_settings->odr.odr_avl[0].hz;
217494e5	463
38d1c6a9	464	/* Some devices don't support a data ready pin. */
a1dcf429 DC	465	if (!press_data->dev->platform_data &&
	466	press_data->sensor_settings->drdy_irq.addr)
	467	press_data->dev->platform_data =
23cde4d6 DC	468	(struct st_sensors_platform_data *)&default_press_pdata;
23cde4d6 DC	469
a1dcf429	470	err = st_sensors_init_sensor(indio_dev, press_data->dev->platform_data);
217494e5	471	if (err < 0)
a6cc5b25	472	return err;
217494e5	473
7a137c9c DC	474	err = st_press_allocate_ring(indio_dev);
	475	if (err < 0)
	476	return err;
217494e5	477
7a137c9c	478	if (irq > 0) {
217494e5	479	err = st_sensors_allocate_trigger(indio_dev,
a6cc5b25	480	ST_PRESS_TRIGGER_OPS);
217494e5 DC	481	if (err < 0)
	482	goto st_press_probe_trigger_error;
	483	}
	484
	485	err = iio_device_register(indio_dev);
	486	if (err)
	487	goto st_press_device_register_error;
	488
4f544ced LW	489	dev_info(&indio_dev->dev, "registered pressure sensor %s\n",
	490	indio_dev->name);
	491
217494e5 DC	492	return err;
	493
	494	st_press_device_register_error:
a6cc5b25	495	if (irq > 0)
217494e5 DC	496	st_sensors_deallocate_trigger(indio_dev);
217494e5 DC	497	st_press_probe_trigger_error:
7a137c9c	498	st_press_deallocate_ring(indio_dev);
a6cc5b25	499
217494e5 DC	500	return err;
	501	}
	502	EXPORT_SYMBOL(st_press_common_probe);
	503
	504	void st_press_common_remove(struct iio_dev *indio_dev)
	505	{
a1dcf429	506	struct st_sensor_data *press_data = iio_priv(indio_dev);
217494e5	507
ea7e586b	508	st_sensors_power_disable(indio_dev);
77448761	509
217494e5	510	iio_device_unregister(indio_dev);
a1dcf429	511	if (press_data->get_irq_data_ready(indio_dev) > 0)
217494e5	512	st_sensors_deallocate_trigger(indio_dev);
7a137c9c DC	513
7a137c9c DC	514	st_press_deallocate_ring(indio_dev);
217494e5 DC	515	}
	516	EXPORT_SYMBOL(st_press_common_remove);
	517
	518	MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
	519	MODULE_DESCRIPTION("STMicroelectronics pressures driver");
	520	MODULE_LICENSE("GPL v2");