// SPDX-License-Identifier: GPL-2.0-only /* * adis16400.c support Analog Devices ADIS16400/5 * 3d 2g Linear Accelerometers, * 3d Gyroscopes, * 3d Magnetometers via SPI * * Copyright (c) 2009 Manuel Stahl <[email protected]> * Copyright (c) 2007 Jonathan Cameron <[email protected]> * Copyright (c) 2011 Analog Devices Inc. */ #include <linux/irq.h> #include <linux/device.h> #include <linux/kernel.h> #include <linux/spi/spi.h> #include <linux/module.h> #include <linux/debugfs.h> #include <linux/bitops.h> #include <linux/iio/iio.h> #include <linux/iio/buffer.h> #include <linux/iio/trigger_consumer.h> #include <linux/iio/imu/adis.h> #define ADIS16400_STARTUP_DELAY … #define ADIS16400_MTEST_DELAY … #define ADIS16400_FLASH_CNT … #define ADIS16400_SUPPLY_OUT … #define ADIS16400_XGYRO_OUT … #define ADIS16400_YGYRO_OUT … #define ADIS16400_ZGYRO_OUT … #define ADIS16400_XACCL_OUT … #define ADIS16400_YACCL_OUT … #define ADIS16400_ZACCL_OUT … #define ADIS16400_XMAGN_OUT … #define ADIS16400_YMAGN_OUT … #define ADIS16400_ZMAGN_OUT … #define ADIS16400_TEMP_OUT … #define ADIS16400_AUX_ADC … #define ADIS16350_XTEMP_OUT … #define ADIS16350_YTEMP_OUT … #define ADIS16350_ZTEMP_OUT … #define ADIS16300_PITCH_OUT … #define ADIS16300_ROLL_OUT … #define ADIS16300_AUX_ADC … #define ADIS16448_BARO_OUT … #define ADIS16448_TEMP_OUT … /* Calibration parameters */ #define ADIS16400_XGYRO_OFF … #define ADIS16400_YGYRO_OFF … #define ADIS16400_ZGYRO_OFF … #define ADIS16400_XACCL_OFF … #define ADIS16400_YACCL_OFF … #define ADIS16400_ZACCL_OFF … #define ADIS16400_XMAGN_HIF … #define ADIS16400_YMAGN_HIF … #define ADIS16400_ZMAGN_HIF … #define ADIS16400_XMAGN_SIF … #define ADIS16400_YMAGN_SIF … #define ADIS16400_ZMAGN_SIF … #define ADIS16400_GPIO_CTRL … #define ADIS16400_MSC_CTRL … #define ADIS16400_SMPL_PRD … #define ADIS16400_SENS_AVG … #define ADIS16400_SLP_CNT … #define ADIS16400_DIAG_STAT … /* Alarm functions */ #define ADIS16400_GLOB_CMD … #define ADIS16400_ALM_MAG1 … #define ADIS16400_ALM_MAG2 … #define ADIS16400_ALM_SMPL1 … #define ADIS16400_ALM_SMPL2 … #define ADIS16400_ALM_CTRL … #define ADIS16400_AUX_DAC … #define ADIS16334_LOT_ID1 … #define ADIS16334_LOT_ID2 … #define ADIS16400_PRODUCT_ID … #define ADIS16334_SERIAL_NUMBER … #define ADIS16400_ERROR_ACTIVE … #define ADIS16400_NEW_DATA … /* MSC_CTRL */ #define ADIS16400_MSC_CTRL_MEM_TEST … #define ADIS16400_MSC_CTRL_INT_SELF_TEST … #define ADIS16400_MSC_CTRL_NEG_SELF_TEST … #define ADIS16400_MSC_CTRL_POS_SELF_TEST … #define ADIS16400_MSC_CTRL_GYRO_BIAS … #define ADIS16400_MSC_CTRL_ACCL_ALIGN … #define ADIS16400_MSC_CTRL_DATA_RDY_EN … #define ADIS16400_MSC_CTRL_DATA_RDY_POL_HIGH … #define ADIS16400_MSC_CTRL_DATA_RDY_DIO2 … /* SMPL_PRD */ #define ADIS16400_SMPL_PRD_TIME_BASE … #define ADIS16400_SMPL_PRD_DIV_MASK … /* DIAG_STAT */ #define ADIS16400_DIAG_STAT_ZACCL_FAIL … #define ADIS16400_DIAG_STAT_YACCL_FAIL … #define ADIS16400_DIAG_STAT_XACCL_FAIL … #define ADIS16400_DIAG_STAT_XGYRO_FAIL … #define ADIS16400_DIAG_STAT_YGYRO_FAIL … #define ADIS16400_DIAG_STAT_ZGYRO_FAIL … #define ADIS16400_DIAG_STAT_ALARM2 … #define ADIS16400_DIAG_STAT_ALARM1 … #define ADIS16400_DIAG_STAT_FLASH_CHK … #define ADIS16400_DIAG_STAT_SELF_TEST … #define ADIS16400_DIAG_STAT_OVERFLOW … #define ADIS16400_DIAG_STAT_SPI_FAIL … #define ADIS16400_DIAG_STAT_FLASH_UPT … #define ADIS16400_DIAG_STAT_POWER_HIGH … #define ADIS16400_DIAG_STAT_POWER_LOW … /* GLOB_CMD */ #define ADIS16400_GLOB_CMD_SW_RESET … #define ADIS16400_GLOB_CMD_P_AUTO_NULL … #define ADIS16400_GLOB_CMD_FLASH_UPD … #define ADIS16400_GLOB_CMD_DAC_LATCH … #define ADIS16400_GLOB_CMD_FAC_CALIB … #define ADIS16400_GLOB_CMD_AUTO_NULL … /* SLP_CNT */ #define ADIS16400_SLP_CNT_POWER_OFF … #define ADIS16334_RATE_DIV_SHIFT … #define ADIS16334_RATE_INT_CLK … #define ADIS16400_SPI_SLOW … #define ADIS16400_SPI_BURST … #define ADIS16400_SPI_FAST … #define ADIS16400_HAS_PROD_ID … #define ADIS16400_NO_BURST … #define ADIS16400_HAS_SLOW_MODE … #define ADIS16400_HAS_SERIAL_NUMBER … #define ADIS16400_BURST_DIAG_STAT … struct adis16400_state; struct adis16400_chip_info { … }; /** * struct adis16400_state - device instance specific data * @variant: chip variant info * @filt_int: integer part of requested filter frequency * @adis: adis device * @avail_scan_mask: NULL terminated array of bitmaps of channels * that must be enabled together **/ struct adis16400_state { … }; /* At the moment triggers are only used for ring buffer * filling. This may change! */ enum { … }; static ssize_t adis16400_show_serial_number(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static const struct file_operations adis16400_serial_number_fops = …; static int adis16400_show_product_id(void *arg, u64 *val) { … } DEFINE_DEBUGFS_ATTRIBUTE(…); static int adis16400_show_flash_count(void *arg, u64 *val) { … } DEFINE_DEBUGFS_ATTRIBUTE(…); static void adis16400_debugfs_init(struct iio_dev *indio_dev) { … } enum adis16400_chip_variant { … }; static int adis16334_get_freq(struct adis16400_state *st) { … } static int adis16334_set_freq(struct adis16400_state *st, unsigned int freq) { … } static int adis16400_get_freq(struct adis16400_state *st) { … } static int adis16400_set_freq(struct adis16400_state *st, unsigned int freq) { … } static const unsigned int adis16400_3db_divisors[] = …; static int __adis16400_set_filter(struct iio_dev *indio_dev, int sps, int val) { … } /* Power down the device */ static int adis16400_stop_device(struct iio_dev *indio_dev) { … } static int adis16400_initial_setup(struct iio_dev *indio_dev) { … } static const uint8_t adis16400_addresses[] = …; static int adis16400_write_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, int val2, long info) { … } static int adis16400_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long info) { … } #if IS_ENABLED(CONFIG_IIO_BUFFER) static irqreturn_t adis16400_trigger_handler(int irq, void *p) { … } #else #define adis16400_trigger_handler … #endif /* IS_ENABLED(CONFIG_IIO_BUFFER) */ #define ADIS16400_VOLTAGE_CHAN(addr, bits, name, si, chn) … #define ADIS16400_SUPPLY_CHAN(addr, bits) … #define ADIS16400_AUX_ADC_CHAN(addr, bits) … #define ADIS16400_GYRO_CHAN(mod, addr, bits) … #define ADIS16400_ACCEL_CHAN(mod, addr, bits) … #define ADIS16400_MAGN_CHAN(mod, addr, bits) … #define ADIS16400_MOD_TEMP_NAME_X … #define ADIS16400_MOD_TEMP_NAME_Y … #define ADIS16400_MOD_TEMP_NAME_Z … #define ADIS16400_MOD_TEMP_CHAN(mod, addr, bits) … #define ADIS16400_TEMP_CHAN(addr, bits) … #define ADIS16400_INCLI_CHAN(mod, addr, bits) … static const struct iio_chan_spec adis16400_channels[] = …; static const struct iio_chan_spec adis16445_channels[] = …; static const struct iio_chan_spec adis16448_channels[] = …; static const struct iio_chan_spec adis16350_channels[] = …; static const struct iio_chan_spec adis16300_channels[] = …; static const struct iio_chan_spec adis16334_channels[] = …; static const char * const adis16400_status_error_msgs[] = …; #define ADIS16400_DATA(_timeouts, _burst_len) … static const struct adis_timeout adis16300_timeouts = …; static const struct adis_timeout adis16334_timeouts = …; static const struct adis_timeout adis16362_timeouts = …; static const struct adis_timeout adis16400_timeouts = …; static const struct adis_timeout adis16445_timeouts = …; static const struct adis_timeout adis16448_timeouts = …; static struct adis16400_chip_info adis16400_chips[] = …; static const struct iio_info adis16400_info = …; static void adis16400_setup_chan_mask(struct adis16400_state *st) { … } static void adis16400_stop(void *data) { … } static int adis16400_probe(struct spi_device *spi) { … } static const struct spi_device_id adis16400_id[] = …; MODULE_DEVICE_TABLE(spi, adis16400_id); static struct spi_driver adis16400_driver = …; module_spi_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_IMPORT_NS(…);
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