@@ -16,16 +16,4 @@ config ADIS16203
To compile this driver as a module, say M here: the module will be
called adis16203.
-config ADIS16240
- tristate "Analog Devices ADIS16240 Programmable Impact Sensor and Recorder"
- depends on SPI
- select IIO_ADIS_LIB
- select IIO_ADIS_LIB_BUFFER if IIO_BUFFER
- help
- Say Y here to build support for Analog Devices adis16240 programmable
- impact Sensor and recorder.
-
- To compile this driver as a module, say M here: the module will be
- called adis16240.
-
endmenu
@@ -4,4 +4,3 @@
#
obj-$(CONFIG_ADIS16203) += adis16203.o
-obj-$(CONFIG_ADIS16240) += adis16240.o
deleted file mode 100644
@@ -1,443 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * ADIS16240 Programmable Impact Sensor and Recorder driver
- *
- * Copyright 2010 Analog Devices Inc.
- */
-
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/spi/spi.h>
-#include <linux/sysfs.h>
-#include <linux/module.h>
-
-#include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
-#include <linux/iio/imu/adis.h>
-
-#define ADIS16240_STARTUP_DELAY 220 /* ms */
-
-/* Flash memory write count */
-#define ADIS16240_FLASH_CNT 0x00
-
-/* Output, power supply */
-#define ADIS16240_SUPPLY_OUT 0x02
-
-/* Output, x-axis accelerometer */
-#define ADIS16240_XACCL_OUT 0x04
-
-/* Output, y-axis accelerometer */
-#define ADIS16240_YACCL_OUT 0x06
-
-/* Output, z-axis accelerometer */
-#define ADIS16240_ZACCL_OUT 0x08
-
-/* Output, auxiliary ADC input */
-#define ADIS16240_AUX_ADC 0x0A
-
-/* Output, temperature */
-#define ADIS16240_TEMP_OUT 0x0C
-
-/* Output, x-axis acceleration peak */
-#define ADIS16240_XPEAK_OUT 0x0E
-
-/* Output, y-axis acceleration peak */
-#define ADIS16240_YPEAK_OUT 0x10
-
-/* Output, z-axis acceleration peak */
-#define ADIS16240_ZPEAK_OUT 0x12
-
-/* Output, sum-of-squares acceleration peak */
-#define ADIS16240_XYZPEAK_OUT 0x14
-
-/* Output, Capture Buffer 1, X and Y acceleration */
-#define ADIS16240_CAPT_BUF1 0x16
-
-/* Output, Capture Buffer 2, Z acceleration */
-#define ADIS16240_CAPT_BUF2 0x18
-
-/* Diagnostic, error flags */
-#define ADIS16240_DIAG_STAT 0x1A
-
-/* Diagnostic, event counter */
-#define ADIS16240_EVNT_CNTR 0x1C
-
-/* Diagnostic, check sum value from firmware test */
-#define ADIS16240_CHK_SUM 0x1E
-
-/* Calibration, x-axis acceleration offset adjustment */
-#define ADIS16240_XACCL_OFF 0x20
-
-/* Calibration, y-axis acceleration offset adjustment */
-#define ADIS16240_YACCL_OFF 0x22
-
-/* Calibration, z-axis acceleration offset adjustment */
-#define ADIS16240_ZACCL_OFF 0x24
-
-/* Clock, hour and minute */
-#define ADIS16240_CLK_TIME 0x2E
-
-/* Clock, month and day */
-#define ADIS16240_CLK_DATE 0x30
-
-/* Clock, year */
-#define ADIS16240_CLK_YEAR 0x32
-
-/* Wake-up setting, hour and minute */
-#define ADIS16240_WAKE_TIME 0x34
-
-/* Wake-up setting, month and day */
-#define ADIS16240_WAKE_DATE 0x36
-
-/* Alarm 1 amplitude threshold */
-#define ADIS16240_ALM_MAG1 0x38
-
-/* Alarm 2 amplitude threshold */
-#define ADIS16240_ALM_MAG2 0x3A
-
-/* Alarm control */
-#define ADIS16240_ALM_CTRL 0x3C
-
-/* Capture, external trigger control */
-#define ADIS16240_XTRIG_CTRL 0x3E
-
-/* Capture, address pointer */
-#define ADIS16240_CAPT_PNTR 0x40
-
-/* Capture, configuration and control */
-#define ADIS16240_CAPT_CTRL 0x42
-
-/* General-purpose digital input/output control */
-#define ADIS16240_GPIO_CTRL 0x44
-
-/* Miscellaneous control */
-#define ADIS16240_MSC_CTRL 0x46
-
-/* Internal sample period (rate) control */
-#define ADIS16240_SMPL_PRD 0x48
-
-/* System command */
-#define ADIS16240_GLOB_CMD 0x4A
-
-/* MSC_CTRL */
-
-/* Enables sum-of-squares output (XYZPEAK_OUT) */
-#define ADIS16240_MSC_CTRL_XYZPEAK_OUT_EN BIT(15)
-
-/* Enables peak tracking output (XPEAK_OUT, YPEAK_OUT, and ZPEAK_OUT) */
-#define ADIS16240_MSC_CTRL_X_Y_ZPEAK_OUT_EN BIT(14)
-
-/* Self-test enable: 1 = apply electrostatic force, 0 = disabled */
-#define ADIS16240_MSC_CTRL_SELF_TEST_EN BIT(8)
-
-/* Data-ready enable: 1 = enabled, 0 = disabled */
-#define ADIS16240_MSC_CTRL_DATA_RDY_EN BIT(2)
-
-/* Data-ready polarity: 1 = active high, 0 = active low */
-#define ADIS16240_MSC_CTRL_ACTIVE_HIGH BIT(1)
-
-/* Data-ready line selection: 1 = DIO2, 0 = DIO1 */
-#define ADIS16240_MSC_CTRL_DATA_RDY_DIO2 BIT(0)
-
-/* DIAG_STAT */
-
-/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
-#define ADIS16240_DIAG_STAT_ALARM2 BIT(9)
-
-/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
-#define ADIS16240_DIAG_STAT_ALARM1 BIT(8)
-
-/* Capture buffer full: 1 = capture buffer is full */
-#define ADIS16240_DIAG_STAT_CPT_BUF_FUL BIT(7)
-
-/* Flash test, checksum flag: 1 = mismatch, 0 = match */
-#define ADIS16240_DIAG_STAT_CHKSUM BIT(6)
-
-/* Power-on, self-test flag: 1 = failure, 0 = pass */
-#define ADIS16240_DIAG_STAT_PWRON_FAIL_BIT 5
-
-/* Power-on self-test: 1 = in-progress, 0 = complete */
-#define ADIS16240_DIAG_STAT_PWRON_BUSY BIT(4)
-
-/* SPI communications failure */
-#define ADIS16240_DIAG_STAT_SPI_FAIL_BIT 3
-
-/* Flash update failure */
-#define ADIS16240_DIAG_STAT_FLASH_UPT_BIT 2
-
-/* Power supply above 3.625 V */
-#define ADIS16240_DIAG_STAT_POWER_HIGH_BIT 1
-
- /* Power supply below 2.225 V */
-#define ADIS16240_DIAG_STAT_POWER_LOW_BIT 0
-
-/* GLOB_CMD */
-
-#define ADIS16240_GLOB_CMD_RESUME BIT(8)
-#define ADIS16240_GLOB_CMD_SW_RESET BIT(7)
-#define ADIS16240_GLOB_CMD_STANDBY BIT(2)
-
-#define ADIS16240_ERROR_ACTIVE BIT(14)
-
-/* At the moment triggers are only used for ring buffer
- * filling. This may change!
- */
-
-enum adis16240_scan {
- ADIS16240_SCAN_ACC_X,
- ADIS16240_SCAN_ACC_Y,
- ADIS16240_SCAN_ACC_Z,
- ADIS16240_SCAN_SUPPLY,
- ADIS16240_SCAN_AUX_ADC,
- ADIS16240_SCAN_TEMP,
-};
-
-static ssize_t adis16240_spi_read_signed(struct device *dev,
- struct device_attribute *attr,
- char *buf,
- unsigned int bits)
-{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- struct adis *st = iio_priv(indio_dev);
- int ret;
- s16 val = 0;
- unsigned int shift = 16 - bits;
- struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
-
- ret = adis_read_reg_16(st,
- this_attr->address, (u16 *)&val);
- if (ret)
- return ret;
-
- if (val & ADIS16240_ERROR_ACTIVE)
- adis_check_status(st);
-
- val = (s16)(val << shift) >> shift;
- return sprintf(buf, "%d\n", val);
-}
-
-static ssize_t adis16240_read_12bit_signed(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return adis16240_spi_read_signed(dev, attr, buf, 12);
-}
-
-static IIO_DEVICE_ATTR(in_accel_xyz_squared_peak_raw, 0444,
- adis16240_read_12bit_signed, NULL,
- ADIS16240_XYZPEAK_OUT);
-
-static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("4096");
-
-static const u8 adis16240_addresses[][2] = {
- [ADIS16240_SCAN_ACC_X] = { ADIS16240_XACCL_OFF, ADIS16240_XPEAK_OUT },
- [ADIS16240_SCAN_ACC_Y] = { ADIS16240_YACCL_OFF, ADIS16240_YPEAK_OUT },
- [ADIS16240_SCAN_ACC_Z] = { ADIS16240_ZACCL_OFF, ADIS16240_ZPEAK_OUT },
-};
-
-static int adis16240_read_raw(struct iio_dev *indio_dev,
- struct iio_chan_spec const *chan,
- int *val, int *val2,
- long mask)
-{
- struct adis *st = iio_priv(indio_dev);
- int ret;
- u8 addr;
- s16 val16;
-
- switch (mask) {
- case IIO_CHAN_INFO_RAW:
- return adis_single_conversion(indio_dev, chan,
- ADIS16240_ERROR_ACTIVE, val);
- case IIO_CHAN_INFO_SCALE:
- switch (chan->type) {
- case IIO_VOLTAGE:
- if (chan->channel == 0) {
- *val = 4;
- *val2 = 880000; /* 4.88 mV */
- return IIO_VAL_INT_PLUS_MICRO;
- }
- return -EINVAL;
- case IIO_TEMP:
- *val = 244; /* 0.244 C */
- *val2 = 0;
- return IIO_VAL_INT_PLUS_MICRO;
- case IIO_ACCEL:
- *val = 0;
- *val2 = IIO_G_TO_M_S_2(51400); /* 51.4 mg */
- return IIO_VAL_INT_PLUS_MICRO;
- default:
- return -EINVAL;
- }
- break;
- case IIO_CHAN_INFO_PEAK_SCALE:
- *val = 0;
- *val2 = IIO_G_TO_M_S_2(51400); /* 51.4 mg */
- return IIO_VAL_INT_PLUS_MICRO;
- case IIO_CHAN_INFO_OFFSET:
- *val = 25000 / 244 - 0x133; /* 25 C = 0x133 */
- return IIO_VAL_INT;
- case IIO_CHAN_INFO_CALIBBIAS:
- addr = adis16240_addresses[chan->scan_index][0];
- ret = adis_read_reg_16(st, addr, &val16);
- if (ret)
- return ret;
- *val = sign_extend32(val16, 9);
- return IIO_VAL_INT;
- case IIO_CHAN_INFO_PEAK:
- addr = adis16240_addresses[chan->scan_index][1];
- ret = adis_read_reg_16(st, addr, &val16);
- if (ret)
- return ret;
- *val = sign_extend32(val16, 9);
- return IIO_VAL_INT;
- }
- return -EINVAL;
-}
-
-static int adis16240_write_raw(struct iio_dev *indio_dev,
- struct iio_chan_spec const *chan,
- int val,
- int val2,
- long mask)
-{
- struct adis *st = iio_priv(indio_dev);
- u8 addr;
-
- switch (mask) {
- case IIO_CHAN_INFO_CALIBBIAS:
- addr = adis16240_addresses[chan->scan_index][0];
- return adis_write_reg_16(st, addr, val & GENMASK(9, 0));
- }
- return -EINVAL;
-}
-
-static const struct iio_chan_spec adis16240_channels[] = {
- ADIS_SUPPLY_CHAN(ADIS16240_SUPPLY_OUT, ADIS16240_SCAN_SUPPLY, 0, 10),
- ADIS_AUX_ADC_CHAN(ADIS16240_AUX_ADC, ADIS16240_SCAN_AUX_ADC, 0, 10),
- ADIS_ACCEL_CHAN(X, ADIS16240_XACCL_OUT, ADIS16240_SCAN_ACC_X,
- BIT(IIO_CHAN_INFO_CALIBBIAS) | BIT(IIO_CHAN_INFO_PEAK),
- 0, 10),
- ADIS_ACCEL_CHAN(Y, ADIS16240_YACCL_OUT, ADIS16240_SCAN_ACC_Y,
- BIT(IIO_CHAN_INFO_CALIBBIAS) | BIT(IIO_CHAN_INFO_PEAK),
- 0, 10),
- ADIS_ACCEL_CHAN(Z, ADIS16240_ZACCL_OUT, ADIS16240_SCAN_ACC_Z,
- BIT(IIO_CHAN_INFO_CALIBBIAS) | BIT(IIO_CHAN_INFO_PEAK),
- 0, 10),
- ADIS_TEMP_CHAN(ADIS16240_TEMP_OUT, ADIS16240_SCAN_TEMP, 0, 10),
- IIO_CHAN_SOFT_TIMESTAMP(6)
-};
-
-static struct attribute *adis16240_attributes[] = {
- &iio_dev_attr_in_accel_xyz_squared_peak_raw.dev_attr.attr,
- &iio_const_attr_sampling_frequency_available.dev_attr.attr,
- NULL
-};
-
-static const struct attribute_group adis16240_attribute_group = {
- .attrs = adis16240_attributes,
-};
-
-static const struct iio_info adis16240_info = {
- .attrs = &adis16240_attribute_group,
- .read_raw = adis16240_read_raw,
- .write_raw = adis16240_write_raw,
- .update_scan_mode = adis_update_scan_mode,
-};
-
-static const char * const adis16240_status_error_msgs[] = {
- [ADIS16240_DIAG_STAT_PWRON_FAIL_BIT] = "Power on, self-test failed",
- [ADIS16240_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure",
- [ADIS16240_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed",
- [ADIS16240_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V",
- [ADIS16240_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 2.225V",
-};
-
-static const struct adis_timeout adis16240_timeouts = {
- .reset_ms = ADIS16240_STARTUP_DELAY,
- .sw_reset_ms = ADIS16240_STARTUP_DELAY,
- .self_test_ms = ADIS16240_STARTUP_DELAY,
-};
-
-static const struct adis_data adis16240_data = {
- .write_delay = 35,
- .read_delay = 35,
- .msc_ctrl_reg = ADIS16240_MSC_CTRL,
- .glob_cmd_reg = ADIS16240_GLOB_CMD,
- .diag_stat_reg = ADIS16240_DIAG_STAT,
-
- .self_test_mask = ADIS16240_MSC_CTRL_SELF_TEST_EN,
- .self_test_reg = ADIS16240_MSC_CTRL,
- .self_test_no_autoclear = true,
- .timeouts = &adis16240_timeouts,
-
- .status_error_msgs = adis16240_status_error_msgs,
- .status_error_mask = BIT(ADIS16240_DIAG_STAT_PWRON_FAIL_BIT) |
- BIT(ADIS16240_DIAG_STAT_SPI_FAIL_BIT) |
- BIT(ADIS16240_DIAG_STAT_FLASH_UPT_BIT) |
- BIT(ADIS16240_DIAG_STAT_POWER_HIGH_BIT) |
- BIT(ADIS16240_DIAG_STAT_POWER_LOW_BIT),
-};
-
-static int adis16240_probe(struct spi_device *spi)
-{
- int ret;
- struct adis *st;
- struct iio_dev *indio_dev;
-
- /* setup the industrialio driver allocated elements */
- indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
- if (!indio_dev)
- return -ENOMEM;
- st = iio_priv(indio_dev);
- /* this is only used for removal purposes */
- spi_set_drvdata(spi, indio_dev);
-
- indio_dev->name = spi->dev.driver->name;
- indio_dev->info = &adis16240_info;
- indio_dev->channels = adis16240_channels;
- indio_dev->num_channels = ARRAY_SIZE(adis16240_channels);
- indio_dev->modes = INDIO_DIRECT_MODE;
-
- spi->mode = SPI_MODE_3;
- ret = spi_setup(spi);
- if (ret) {
- dev_err(&spi->dev, "spi_setup failed!\n");
- return ret;
- }
-
- ret = adis_init(st, indio_dev, spi, &adis16240_data);
- if (ret)
- return ret;
- ret = devm_adis_setup_buffer_and_trigger(st, indio_dev, NULL);
- if (ret)
- return ret;
-
- /* Get the device into a sane initial state */
- ret = __adis_initial_startup(st);
- if (ret)
- return ret;
-
- return devm_iio_device_register(&spi->dev, indio_dev);
-}
-
-static const struct of_device_id adis16240_of_match[] = {
- { .compatible = "adi,adis16240" },
- { },
-};
-MODULE_DEVICE_TABLE(of, adis16240_of_match);
-
-static struct spi_driver adis16240_driver = {
- .driver = {
- .name = "adis16240",
- .of_match_table = adis16240_of_match,
- },
- .probe = adis16240_probe,
-};
-module_spi_driver(adis16240_driver);
-
-MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
-MODULE_DESCRIPTION("Analog Devices Programmable Impact Sensor and Recorder");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("spi:adis16240");
-MODULE_IMPORT_NS("IIO_ADISLIB");