1 // SPDX-License-Identifier: GPL-2.0
3  * FXOS8700 - NXP IMU (accelerometer plus magnetometer)
161 #define FXOS8700_ACTIVE_MIN_USLEEP  4000 /* from table 6 in datasheet */
304 	{0x06, 6, 250000},
326 		return -EINVAL;  in fxos8700_to_sensor()
335 	ret = regmap_write(data->regmap, FXOS8700_CTRL_REG1, mode);  in fxos8700_set_active_mode()
351 	struct device *dev = regmap_get_device(data->regmap);  in fxos8700_set_scale()
355 		return -EINVAL;  in fxos8700_set_scale()
360 	 * full-scale range(2g/4g/8g) in FXOS8700_XYZ_DATA_CFG.  in fxos8700_set_scale()
363 	 * an ACCEL full-scale range.  in fxos8700_set_scale()
365 	ret = regmap_read(data->regmap, FXOS8700_CTRL_REG1, &val);  in fxos8700_set_scale()
371 		ret = regmap_write(data->regmap, FXOS8700_CTRL_REG1,  in fxos8700_set_scale()
382 		return -EINVAL;  in fxos8700_set_scale()
384 	ret = regmap_write(data->regmap, FXOS8700_XYZ_DATA_CFG,  in fxos8700_set_scale()
388 	return regmap_write(data->regmap, FXOS8700_CTRL_REG1,  in fxos8700_set_scale()
403 	ret = regmap_read(data->regmap, FXOS8700_XYZ_DATA_CFG, &val);  in fxos8700_get_scale()
414 	return -EINVAL;  in fxos8700_get_scale()
418 			     int axis, int *val)  in fxos8700_get_data()  argument
437 		return -EINVAL;  in fxos8700_get_data()
440 	/* Block read 6 bytes of device output registers to avoid data loss */  in fxos8700_get_data()
441 	ret = regmap_bulk_read(data->regmap, base, data->buf,  in fxos8700_get_data()
442 			       sizeof(data->buf));  in fxos8700_get_data()
446 	/* Convert axis to buffer index */  in fxos8700_get_data()
447 	reg = axis - IIO_MOD_X;  in fxos8700_get_data()
453 	tmp = be16_to_cpu(data->buf[reg]);  in fxos8700_get_data()
456 	 * ACCEL output data registers contain the X-axis, Y-axis, and Z-axis  in fxos8700_get_data()
457 	 * 14-bit left-justified sample data and MAGN output data registers  in fxos8700_get_data()
458 	 * contain the X-axis, Y-axis, and Z-axis 16-bit sample data. Apply  in fxos8700_get_data()
471 		return -EINVAL;  in fxos8700_get_data()
487 	ret = regmap_read(data->regmap, FXOS8700_CTRL_REG1, &val);  in fxos8700_set_odr()
498 		ret = regmap_write(data->regmap, FXOS8700_CTRL_REG1,  in fxos8700_set_odr()
509 		return -EINVAL;  in fxos8700_set_odr()
513 	return regmap_write(data->regmap, FXOS8700_CTRL_REG1, val);  in fxos8700_set_odr()
522 	ret = regmap_read(data->regmap, FXOS8700_CTRL_REG1, &val);  in fxos8700_get_odr()
533 		return -EINVAL;  in fxos8700_get_odr()
550 		ret = fxos8700_get_data(data, chan->type, chan->channel2, val);  in fxos8700_read_raw()
556 		ret = fxos8700_get_scale(data, fxos8700_to_sensor(chan->type),  in fxos8700_read_raw()
560 		ret = fxos8700_get_odr(data, fxos8700_to_sensor(chan->type),  in fxos8700_read_raw()
564 		return -EINVAL;  in fxos8700_read_raw()
576 		return fxos8700_set_scale(data, fxos8700_to_sensor(chan->type),  in fxos8700_write_raw()
579 		return fxos8700_set_odr(data, fxos8700_to_sensor(chan->type),  in fxos8700_write_raw()
582 		return -EINVAL;  in fxos8700_write_raw()
615 	struct device *dev = regmap_get_device(data->regmap);  in fxos8700_chip_init()
617 	ret = regmap_read(data->regmap, FXOS8700_WHO_AM_I, &val);  in fxos8700_chip_init()
625 		return -ENODEV;  in fxos8700_chip_init()
640 	ret = regmap_write(data->regmap, FXOS8700_CTRL_REG1, 0x00);  in fxos8700_chip_init()
645 	ret = regmap_write(data->regmap, FXOS8700_M_CTRL_REG1,  in fxos8700_chip_init()
651 	ret = regmap_write(data->regmap, FXOS8700_M_CTRL_REG2,  in fxos8700_chip_init()
658 	 * Set max full-scale range (+/-8G) for ACCEL sensor in chip  in fxos8700_chip_init()
661 	ret = regmap_write(data->regmap, FXOS8700_XYZ_DATA_CFG, MODE_8G);  in fxos8700_chip_init()
666 	return regmap_update_bits(data->regmap, FXOS8700_CTRL_REG1,  in fxos8700_chip_init()
689 		return -ENOMEM;  in fxos8700_core_probe()
693 	data->regmap = regmap;  in fxos8700_core_probe()
703 	indio_dev->channels = fxos8700_channels;  in fxos8700_core_probe()
704 	indio_dev->num_channels = ARRAY_SIZE(fxos8700_channels);  in fxos8700_core_probe()
705 	indio_dev->name = name ? name : "fxos8700";  in fxos8700_core_probe()
706 	indio_dev->modes = INDIO_DIRECT_MODE;  in fxos8700_core_probe()
707 	indio_dev->info = &fxos8700_info;  in fxos8700_core_probe()
714 MODULE_DESCRIPTION("FXOS8700 6-Axis Acc and Mag Combo Sensor driver");