# Makefile for industrial I/O accelerometer drivers
#
-adis16201-y := adis16201_core.o
obj-$(CONFIG_ADIS16201) += adis16201.o
-
-adis16203-y := adis16203_core.o
obj-$(CONFIG_ADIS16203) += adis16203.o
-
-adis16209-y := adis16209_core.o
obj-$(CONFIG_ADIS16209) += adis16209.o
-
-adis16240-y := adis16240_core.o
obj-$(CONFIG_ADIS16240) += adis16240.o
--- /dev/null
+/*
+ * ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/slab.h>
+#include <linux/sysfs.h>
+#include <linux/module.h>
+
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/iio/buffer.h>
+#include <linux/iio/imu/adis.h>
+
+#define ADIS16201_STARTUP_DELAY 220 /* ms */
+
+/* Flash memory write count */
+#define ADIS16201_FLASH_CNT 0x00
+
+/* Output, power supply */
+#define ADIS16201_SUPPLY_OUT 0x02
+
+/* Output, x-axis accelerometer */
+#define ADIS16201_XACCL_OUT 0x04
+
+/* Output, y-axis accelerometer */
+#define ADIS16201_YACCL_OUT 0x06
+
+/* Output, auxiliary ADC input */
+#define ADIS16201_AUX_ADC 0x08
+
+/* Output, temperature */
+#define ADIS16201_TEMP_OUT 0x0A
+
+/* Output, x-axis inclination */
+#define ADIS16201_XINCL_OUT 0x0C
+
+/* Output, y-axis inclination */
+#define ADIS16201_YINCL_OUT 0x0E
+
+/* Calibration, x-axis acceleration offset */
+#define ADIS16201_XACCL_OFFS 0x10
+
+/* Calibration, y-axis acceleration offset */
+#define ADIS16201_YACCL_OFFS 0x12
+
+/* x-axis acceleration scale factor */
+#define ADIS16201_XACCL_SCALE 0x14
+
+/* y-axis acceleration scale factor */
+#define ADIS16201_YACCL_SCALE 0x16
+
+/* Calibration, x-axis inclination offset */
+#define ADIS16201_XINCL_OFFS 0x18
+
+/* Calibration, y-axis inclination offset */
+#define ADIS16201_YINCL_OFFS 0x1A
+
+/* x-axis inclination scale factor */
+#define ADIS16201_XINCL_SCALE 0x1C
+
+/* y-axis inclination scale factor */
+#define ADIS16201_YINCL_SCALE 0x1E
+
+/* Alarm 1 amplitude threshold */
+#define ADIS16201_ALM_MAG1 0x20
+
+/* Alarm 2 amplitude threshold */
+#define ADIS16201_ALM_MAG2 0x22
+
+/* Alarm 1, sample period */
+#define ADIS16201_ALM_SMPL1 0x24
+
+/* Alarm 2, sample period */
+#define ADIS16201_ALM_SMPL2 0x26
+
+/* Alarm control */
+#define ADIS16201_ALM_CTRL 0x28
+
+/* Auxiliary DAC data */
+#define ADIS16201_AUX_DAC 0x30
+
+/* General-purpose digital input/output control */
+#define ADIS16201_GPIO_CTRL 0x32
+
+/* Miscellaneous control */
+#define ADIS16201_MSC_CTRL 0x34
+
+/* Internal sample period (rate) control */
+#define ADIS16201_SMPL_PRD 0x36
+
+/* Operation, filter configuration */
+#define ADIS16201_AVG_CNT 0x38
+
+/* Operation, sleep mode control */
+#define ADIS16201_SLP_CNT 0x3A
+
+/* Diagnostics, system status register */
+#define ADIS16201_DIAG_STAT 0x3C
+
+/* Operation, system command register */
+#define ADIS16201_GLOB_CMD 0x3E
+
+/* MSC_CTRL */
+
+/* Self-test enable */
+#define ADIS16201_MSC_CTRL_SELF_TEST_EN BIT(8)
+
+/* Data-ready enable: 1 = enabled, 0 = disabled */
+#define ADIS16201_MSC_CTRL_DATA_RDY_EN BIT(2)
+
+/* Data-ready polarity: 1 = active high, 0 = active low */
+#define ADIS16201_MSC_CTRL_ACTIVE_HIGH BIT(1)
+
+/* Data-ready line selection: 1 = DIO1, 0 = DIO0 */
+#define ADIS16201_MSC_CTRL_DATA_RDY_DIO1 BIT(0)
+
+/* DIAG_STAT */
+
+/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
+#define ADIS16201_DIAG_STAT_ALARM2 BIT(9)
+
+/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
+#define ADIS16201_DIAG_STAT_ALARM1 BIT(8)
+
+/* SPI communications failure */
+#define ADIS16201_DIAG_STAT_SPI_FAIL_BIT 3
+
+/* Flash update failure */
+#define ADIS16201_DIAG_STAT_FLASH_UPT_BIT 2
+
+/* Power supply above 3.625 V */
+#define ADIS16201_DIAG_STAT_POWER_HIGH_BIT 1
+
+/* Power supply below 3.15 V */
+#define ADIS16201_DIAG_STAT_POWER_LOW_BIT 0
+
+/* GLOB_CMD */
+
+#define ADIS16201_GLOB_CMD_SW_RESET BIT(7)
+#define ADIS16201_GLOB_CMD_FACTORY_CAL BIT(1)
+
+#define ADIS16201_ERROR_ACTIVE BIT(14)
+
+enum adis16201_scan {
+ ADIS16201_SCAN_ACC_X,
+ ADIS16201_SCAN_ACC_Y,
+ ADIS16201_SCAN_INCLI_X,
+ ADIS16201_SCAN_INCLI_Y,
+ ADIS16201_SCAN_SUPPLY,
+ ADIS16201_SCAN_AUX_ADC,
+ ADIS16201_SCAN_TEMP,
+};
+
+static const u8 adis16201_addresses[] = {
+ [ADIS16201_SCAN_ACC_X] = ADIS16201_XACCL_OFFS,
+ [ADIS16201_SCAN_ACC_Y] = ADIS16201_YACCL_OFFS,
+ [ADIS16201_SCAN_INCLI_X] = ADIS16201_XINCL_OFFS,
+ [ADIS16201_SCAN_INCLI_Y] = ADIS16201_YINCL_OFFS,
+};
+
+static int adis16201_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;
+ int bits;
+ u8 addr;
+ s16 val16;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ return adis_single_conversion(indio_dev, chan,
+ ADIS16201_ERROR_ACTIVE, val);
+ case IIO_CHAN_INFO_SCALE:
+ switch (chan->type) {
+ case IIO_VOLTAGE:
+ if (chan->channel == 0) {
+ *val = 1;
+ *val2 = 220000; /* 1.22 mV */
+ } else {
+ *val = 0;
+ *val2 = 610000; /* 0.610 mV */
+ }
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_TEMP:
+ *val = -470; /* 0.47 C */
+ *val2 = 0;
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_ACCEL:
+ *val = 0;
+ *val2 = IIO_G_TO_M_S_2(462400); /* 0.4624 mg */
+ return IIO_VAL_INT_PLUS_NANO;
+ case IIO_INCLI:
+ *val = 0;
+ *val2 = 100000; /* 0.1 degree */
+ return IIO_VAL_INT_PLUS_MICRO;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case IIO_CHAN_INFO_OFFSET:
+ *val = 25000 / -470 - 1278; /* 25 C = 1278 */
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_CALIBBIAS:
+ switch (chan->type) {
+ case IIO_ACCEL:
+ bits = 12;
+ break;
+ case IIO_INCLI:
+ bits = 9;
+ break;
+ default:
+ return -EINVAL;
+ }
+ mutex_lock(&indio_dev->mlock);
+ addr = adis16201_addresses[chan->scan_index];
+ ret = adis_read_reg_16(st, addr, &val16);
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
+ return ret;
+ }
+ val16 &= (1 << bits) - 1;
+ val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
+ *val = val16;
+ mutex_unlock(&indio_dev->mlock);
+ return IIO_VAL_INT;
+ }
+ return -EINVAL;
+}
+
+static int adis16201_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);
+ int bits;
+ s16 val16;
+ u8 addr;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_CALIBBIAS:
+ switch (chan->type) {
+ case IIO_ACCEL:
+ bits = 12;
+ break;
+ case IIO_INCLI:
+ bits = 9;
+ break;
+ default:
+ return -EINVAL;
+ }
+ val16 = val & ((1 << bits) - 1);
+ addr = adis16201_addresses[chan->scan_index];
+ return adis_write_reg_16(st, addr, val16);
+ }
+ return -EINVAL;
+}
+
+static const struct iio_chan_spec adis16201_channels[] = {
+ ADIS_SUPPLY_CHAN(ADIS16201_SUPPLY_OUT, ADIS16201_SCAN_SUPPLY, 0, 12),
+ ADIS_TEMP_CHAN(ADIS16201_TEMP_OUT, ADIS16201_SCAN_TEMP, 0, 12),
+ ADIS_ACCEL_CHAN(X, ADIS16201_XACCL_OUT, ADIS16201_SCAN_ACC_X,
+ BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
+ ADIS_ACCEL_CHAN(Y, ADIS16201_YACCL_OUT, ADIS16201_SCAN_ACC_Y,
+ BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
+ ADIS_AUX_ADC_CHAN(ADIS16201_AUX_ADC, ADIS16201_SCAN_AUX_ADC, 0, 12),
+ ADIS_INCLI_CHAN(X, ADIS16201_XINCL_OUT, ADIS16201_SCAN_INCLI_X,
+ BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
+ ADIS_INCLI_CHAN(X, ADIS16201_YINCL_OUT, ADIS16201_SCAN_INCLI_Y,
+ BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
+ IIO_CHAN_SOFT_TIMESTAMP(7)
+};
+
+static const struct iio_info adis16201_info = {
+ .read_raw = &adis16201_read_raw,
+ .write_raw = &adis16201_write_raw,
+ .update_scan_mode = adis_update_scan_mode,
+ .driver_module = THIS_MODULE,
+};
+
+static const char * const adis16201_status_error_msgs[] = {
+ [ADIS16201_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure",
+ [ADIS16201_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed",
+ [ADIS16201_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V",
+ [ADIS16201_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V",
+};
+
+static const struct adis_data adis16201_data = {
+ .read_delay = 20,
+ .msc_ctrl_reg = ADIS16201_MSC_CTRL,
+ .glob_cmd_reg = ADIS16201_GLOB_CMD,
+ .diag_stat_reg = ADIS16201_DIAG_STAT,
+
+ .self_test_mask = ADIS16201_MSC_CTRL_SELF_TEST_EN,
+ .self_test_no_autoclear = true,
+ .startup_delay = ADIS16201_STARTUP_DELAY,
+
+ .status_error_msgs = adis16201_status_error_msgs,
+ .status_error_mask = BIT(ADIS16201_DIAG_STAT_SPI_FAIL_BIT) |
+ BIT(ADIS16201_DIAG_STAT_FLASH_UPT_BIT) |
+ BIT(ADIS16201_DIAG_STAT_POWER_HIGH_BIT) |
+ BIT(ADIS16201_DIAG_STAT_POWER_LOW_BIT),
+};
+
+static int adis16201_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->dev.parent = &spi->dev;
+ indio_dev->info = &adis16201_info;
+
+ indio_dev->channels = adis16201_channels;
+ indio_dev->num_channels = ARRAY_SIZE(adis16201_channels);
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = adis_init(st, indio_dev, spi, &adis16201_data);
+ if (ret)
+ return ret;
+ ret = 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)
+ goto error_cleanup_buffer_trigger;
+
+ ret = iio_device_register(indio_dev);
+ if (ret < 0)
+ goto error_cleanup_buffer_trigger;
+ return 0;
+
+error_cleanup_buffer_trigger:
+ adis_cleanup_buffer_and_trigger(st, indio_dev);
+ return ret;
+}
+
+static int adis16201_remove(struct spi_device *spi)
+{
+ struct iio_dev *indio_dev = spi_get_drvdata(spi);
+ struct adis *st = iio_priv(indio_dev);
+
+ iio_device_unregister(indio_dev);
+ adis_cleanup_buffer_and_trigger(st, indio_dev);
+
+ return 0;
+}
+
+static struct spi_driver adis16201_driver = {
+ .driver = {
+ .name = "adis16201",
+ },
+ .probe = adis16201_probe,
+ .remove = adis16201_remove,
+};
+module_spi_driver(adis16201_driver);
+
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_DESCRIPTION("Analog Devices ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("spi:adis16201");
+++ /dev/null
-/*
- * ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer
- *
- * Copyright 2010 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/delay.h>
-#include <linux/mutex.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/spi/spi.h>
-#include <linux/slab.h>
-#include <linux/sysfs.h>
-#include <linux/module.h>
-
-#include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
-#include <linux/iio/buffer.h>
-#include <linux/iio/imu/adis.h>
-
-#define ADIS16201_STARTUP_DELAY 220 /* ms */
-
-/* Flash memory write count */
-#define ADIS16201_FLASH_CNT 0x00
-
-/* Output, power supply */
-#define ADIS16201_SUPPLY_OUT 0x02
-
-/* Output, x-axis accelerometer */
-#define ADIS16201_XACCL_OUT 0x04
-
-/* Output, y-axis accelerometer */
-#define ADIS16201_YACCL_OUT 0x06
-
-/* Output, auxiliary ADC input */
-#define ADIS16201_AUX_ADC 0x08
-
-/* Output, temperature */
-#define ADIS16201_TEMP_OUT 0x0A
-
-/* Output, x-axis inclination */
-#define ADIS16201_XINCL_OUT 0x0C
-
-/* Output, y-axis inclination */
-#define ADIS16201_YINCL_OUT 0x0E
-
-/* Calibration, x-axis acceleration offset */
-#define ADIS16201_XACCL_OFFS 0x10
-
-/* Calibration, y-axis acceleration offset */
-#define ADIS16201_YACCL_OFFS 0x12
-
-/* x-axis acceleration scale factor */
-#define ADIS16201_XACCL_SCALE 0x14
-
-/* y-axis acceleration scale factor */
-#define ADIS16201_YACCL_SCALE 0x16
-
-/* Calibration, x-axis inclination offset */
-#define ADIS16201_XINCL_OFFS 0x18
-
-/* Calibration, y-axis inclination offset */
-#define ADIS16201_YINCL_OFFS 0x1A
-
-/* x-axis inclination scale factor */
-#define ADIS16201_XINCL_SCALE 0x1C
-
-/* y-axis inclination scale factor */
-#define ADIS16201_YINCL_SCALE 0x1E
-
-/* Alarm 1 amplitude threshold */
-#define ADIS16201_ALM_MAG1 0x20
-
-/* Alarm 2 amplitude threshold */
-#define ADIS16201_ALM_MAG2 0x22
-
-/* Alarm 1, sample period */
-#define ADIS16201_ALM_SMPL1 0x24
-
-/* Alarm 2, sample period */
-#define ADIS16201_ALM_SMPL2 0x26
-
-/* Alarm control */
-#define ADIS16201_ALM_CTRL 0x28
-
-/* Auxiliary DAC data */
-#define ADIS16201_AUX_DAC 0x30
-
-/* General-purpose digital input/output control */
-#define ADIS16201_GPIO_CTRL 0x32
-
-/* Miscellaneous control */
-#define ADIS16201_MSC_CTRL 0x34
-
-/* Internal sample period (rate) control */
-#define ADIS16201_SMPL_PRD 0x36
-
-/* Operation, filter configuration */
-#define ADIS16201_AVG_CNT 0x38
-
-/* Operation, sleep mode control */
-#define ADIS16201_SLP_CNT 0x3A
-
-/* Diagnostics, system status register */
-#define ADIS16201_DIAG_STAT 0x3C
-
-/* Operation, system command register */
-#define ADIS16201_GLOB_CMD 0x3E
-
-/* MSC_CTRL */
-
-/* Self-test enable */
-#define ADIS16201_MSC_CTRL_SELF_TEST_EN BIT(8)
-
-/* Data-ready enable: 1 = enabled, 0 = disabled */
-#define ADIS16201_MSC_CTRL_DATA_RDY_EN BIT(2)
-
-/* Data-ready polarity: 1 = active high, 0 = active low */
-#define ADIS16201_MSC_CTRL_ACTIVE_HIGH BIT(1)
-
-/* Data-ready line selection: 1 = DIO1, 0 = DIO0 */
-#define ADIS16201_MSC_CTRL_DATA_RDY_DIO1 BIT(0)
-
-/* DIAG_STAT */
-
-/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
-#define ADIS16201_DIAG_STAT_ALARM2 BIT(9)
-
-/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
-#define ADIS16201_DIAG_STAT_ALARM1 BIT(8)
-
-/* SPI communications failure */
-#define ADIS16201_DIAG_STAT_SPI_FAIL_BIT 3
-
-/* Flash update failure */
-#define ADIS16201_DIAG_STAT_FLASH_UPT_BIT 2
-
-/* Power supply above 3.625 V */
-#define ADIS16201_DIAG_STAT_POWER_HIGH_BIT 1
-
-/* Power supply below 3.15 V */
-#define ADIS16201_DIAG_STAT_POWER_LOW_BIT 0
-
-/* GLOB_CMD */
-
-#define ADIS16201_GLOB_CMD_SW_RESET BIT(7)
-#define ADIS16201_GLOB_CMD_FACTORY_CAL BIT(1)
-
-#define ADIS16201_ERROR_ACTIVE BIT(14)
-
-enum adis16201_scan {
- ADIS16201_SCAN_ACC_X,
- ADIS16201_SCAN_ACC_Y,
- ADIS16201_SCAN_INCLI_X,
- ADIS16201_SCAN_INCLI_Y,
- ADIS16201_SCAN_SUPPLY,
- ADIS16201_SCAN_AUX_ADC,
- ADIS16201_SCAN_TEMP,
-};
-
-static const u8 adis16201_addresses[] = {
- [ADIS16201_SCAN_ACC_X] = ADIS16201_XACCL_OFFS,
- [ADIS16201_SCAN_ACC_Y] = ADIS16201_YACCL_OFFS,
- [ADIS16201_SCAN_INCLI_X] = ADIS16201_XINCL_OFFS,
- [ADIS16201_SCAN_INCLI_Y] = ADIS16201_YINCL_OFFS,
-};
-
-static int adis16201_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;
- int bits;
- u8 addr;
- s16 val16;
-
- switch (mask) {
- case IIO_CHAN_INFO_RAW:
- return adis_single_conversion(indio_dev, chan,
- ADIS16201_ERROR_ACTIVE, val);
- case IIO_CHAN_INFO_SCALE:
- switch (chan->type) {
- case IIO_VOLTAGE:
- if (chan->channel == 0) {
- *val = 1;
- *val2 = 220000; /* 1.22 mV */
- } else {
- *val = 0;
- *val2 = 610000; /* 0.610 mV */
- }
- return IIO_VAL_INT_PLUS_MICRO;
- case IIO_TEMP:
- *val = -470; /* 0.47 C */
- *val2 = 0;
- return IIO_VAL_INT_PLUS_MICRO;
- case IIO_ACCEL:
- *val = 0;
- *val2 = IIO_G_TO_M_S_2(462400); /* 0.4624 mg */
- return IIO_VAL_INT_PLUS_NANO;
- case IIO_INCLI:
- *val = 0;
- *val2 = 100000; /* 0.1 degree */
- return IIO_VAL_INT_PLUS_MICRO;
- default:
- return -EINVAL;
- }
- break;
- case IIO_CHAN_INFO_OFFSET:
- *val = 25000 / -470 - 1278; /* 25 C = 1278 */
- return IIO_VAL_INT;
- case IIO_CHAN_INFO_CALIBBIAS:
- switch (chan->type) {
- case IIO_ACCEL:
- bits = 12;
- break;
- case IIO_INCLI:
- bits = 9;
- break;
- default:
- return -EINVAL;
- }
- mutex_lock(&indio_dev->mlock);
- addr = adis16201_addresses[chan->scan_index];
- ret = adis_read_reg_16(st, addr, &val16);
- if (ret) {
- mutex_unlock(&indio_dev->mlock);
- return ret;
- }
- val16 &= (1 << bits) - 1;
- val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
- *val = val16;
- mutex_unlock(&indio_dev->mlock);
- return IIO_VAL_INT;
- }
- return -EINVAL;
-}
-
-static int adis16201_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);
- int bits;
- s16 val16;
- u8 addr;
-
- switch (mask) {
- case IIO_CHAN_INFO_CALIBBIAS:
- switch (chan->type) {
- case IIO_ACCEL:
- bits = 12;
- break;
- case IIO_INCLI:
- bits = 9;
- break;
- default:
- return -EINVAL;
- }
- val16 = val & ((1 << bits) - 1);
- addr = adis16201_addresses[chan->scan_index];
- return adis_write_reg_16(st, addr, val16);
- }
- return -EINVAL;
-}
-
-static const struct iio_chan_spec adis16201_channels[] = {
- ADIS_SUPPLY_CHAN(ADIS16201_SUPPLY_OUT, ADIS16201_SCAN_SUPPLY, 0, 12),
- ADIS_TEMP_CHAN(ADIS16201_TEMP_OUT, ADIS16201_SCAN_TEMP, 0, 12),
- ADIS_ACCEL_CHAN(X, ADIS16201_XACCL_OUT, ADIS16201_SCAN_ACC_X,
- BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
- ADIS_ACCEL_CHAN(Y, ADIS16201_YACCL_OUT, ADIS16201_SCAN_ACC_Y,
- BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
- ADIS_AUX_ADC_CHAN(ADIS16201_AUX_ADC, ADIS16201_SCAN_AUX_ADC, 0, 12),
- ADIS_INCLI_CHAN(X, ADIS16201_XINCL_OUT, ADIS16201_SCAN_INCLI_X,
- BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
- ADIS_INCLI_CHAN(X, ADIS16201_YINCL_OUT, ADIS16201_SCAN_INCLI_Y,
- BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
- IIO_CHAN_SOFT_TIMESTAMP(7)
-};
-
-static const struct iio_info adis16201_info = {
- .read_raw = &adis16201_read_raw,
- .write_raw = &adis16201_write_raw,
- .update_scan_mode = adis_update_scan_mode,
- .driver_module = THIS_MODULE,
-};
-
-static const char * const adis16201_status_error_msgs[] = {
- [ADIS16201_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure",
- [ADIS16201_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed",
- [ADIS16201_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V",
- [ADIS16201_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V",
-};
-
-static const struct adis_data adis16201_data = {
- .read_delay = 20,
- .msc_ctrl_reg = ADIS16201_MSC_CTRL,
- .glob_cmd_reg = ADIS16201_GLOB_CMD,
- .diag_stat_reg = ADIS16201_DIAG_STAT,
-
- .self_test_mask = ADIS16201_MSC_CTRL_SELF_TEST_EN,
- .self_test_no_autoclear = true,
- .startup_delay = ADIS16201_STARTUP_DELAY,
-
- .status_error_msgs = adis16201_status_error_msgs,
- .status_error_mask = BIT(ADIS16201_DIAG_STAT_SPI_FAIL_BIT) |
- BIT(ADIS16201_DIAG_STAT_FLASH_UPT_BIT) |
- BIT(ADIS16201_DIAG_STAT_POWER_HIGH_BIT) |
- BIT(ADIS16201_DIAG_STAT_POWER_LOW_BIT),
-};
-
-static int adis16201_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->dev.parent = &spi->dev;
- indio_dev->info = &adis16201_info;
-
- indio_dev->channels = adis16201_channels;
- indio_dev->num_channels = ARRAY_SIZE(adis16201_channels);
- indio_dev->modes = INDIO_DIRECT_MODE;
-
- ret = adis_init(st, indio_dev, spi, &adis16201_data);
- if (ret)
- return ret;
- ret = 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)
- goto error_cleanup_buffer_trigger;
-
- ret = iio_device_register(indio_dev);
- if (ret < 0)
- goto error_cleanup_buffer_trigger;
- return 0;
-
-error_cleanup_buffer_trigger:
- adis_cleanup_buffer_and_trigger(st, indio_dev);
- return ret;
-}
-
-static int adis16201_remove(struct spi_device *spi)
-{
- struct iio_dev *indio_dev = spi_get_drvdata(spi);
- struct adis *st = iio_priv(indio_dev);
-
- iio_device_unregister(indio_dev);
- adis_cleanup_buffer_and_trigger(st, indio_dev);
-
- return 0;
-}
-
-static struct spi_driver adis16201_driver = {
- .driver = {
- .name = "adis16201",
- },
- .probe = adis16201_probe,
- .remove = adis16201_remove,
-};
-module_spi_driver(adis16201_driver);
-
-MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
-MODULE_DESCRIPTION("Analog Devices ADIS16201 Dual-Axis Digital Inclinometer and Accelerometer");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("spi:adis16201");
--- /dev/null
+/*
+ * ADIS16203 Programmable 360 Degrees Inclinometer
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/delay.h>
+#include <linux/device.h>
+
+#include <linux/iio/buffer.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/imu/adis.h>
+#include <linux/iio/sysfs.h>
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
+#include <linux/spi/spi.h>
+#include <linux/sysfs.h>
+
+#define ADIS16203_STARTUP_DELAY 220 /* ms */
+
+/* Flash memory write count */
+#define ADIS16203_FLASH_CNT 0x00
+
+/* Output, power supply */
+#define ADIS16203_SUPPLY_OUT 0x02
+
+/* Output, auxiliary ADC input */
+#define ADIS16203_AUX_ADC 0x08
+
+/* Output, temperature */
+#define ADIS16203_TEMP_OUT 0x0A
+
+/* Output, x-axis inclination */
+#define ADIS16203_XINCL_OUT 0x0C
+
+/* Output, y-axis inclination */
+#define ADIS16203_YINCL_OUT 0x0E
+
+/* Incline null calibration */
+#define ADIS16203_INCL_NULL 0x18
+
+/* Alarm 1 amplitude threshold */
+#define ADIS16203_ALM_MAG1 0x20
+
+/* Alarm 2 amplitude threshold */
+#define ADIS16203_ALM_MAG2 0x22
+
+/* Alarm 1, sample period */
+#define ADIS16203_ALM_SMPL1 0x24
+
+/* Alarm 2, sample period */
+#define ADIS16203_ALM_SMPL2 0x26
+
+/* Alarm control */
+#define ADIS16203_ALM_CTRL 0x28
+
+/* Auxiliary DAC data */
+#define ADIS16203_AUX_DAC 0x30
+
+/* General-purpose digital input/output control */
+#define ADIS16203_GPIO_CTRL 0x32
+
+/* Miscellaneous control */
+#define ADIS16203_MSC_CTRL 0x34
+
+/* Internal sample period (rate) control */
+#define ADIS16203_SMPL_PRD 0x36
+
+/* Operation, filter configuration */
+#define ADIS16203_AVG_CNT 0x38
+
+/* Operation, sleep mode control */
+#define ADIS16203_SLP_CNT 0x3A
+
+/* Diagnostics, system status register */
+#define ADIS16203_DIAG_STAT 0x3C
+
+/* Operation, system command register */
+#define ADIS16203_GLOB_CMD 0x3E
+
+/* MSC_CTRL */
+
+/* Self-test at power-on: 1 = disabled, 0 = enabled */
+#define ADIS16203_MSC_CTRL_PWRUP_SELF_TEST BIT(10)
+
+/* Reverses rotation of both inclination outputs */
+#define ADIS16203_MSC_CTRL_REVERSE_ROT_EN BIT(9)
+
+/* Self-test enable */
+#define ADIS16203_MSC_CTRL_SELF_TEST_EN BIT(8)
+
+/* Data-ready enable: 1 = enabled, 0 = disabled */
+#define ADIS16203_MSC_CTRL_DATA_RDY_EN BIT(2)
+
+/* Data-ready polarity: 1 = active high, 0 = active low */
+#define ADIS16203_MSC_CTRL_ACTIVE_HIGH BIT(1)
+
+/* Data-ready line selection: 1 = DIO1, 0 = DIO0 */
+#define ADIS16203_MSC_CTRL_DATA_RDY_DIO1 BIT(0)
+
+/* DIAG_STAT */
+
+/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
+#define ADIS16203_DIAG_STAT_ALARM2 BIT(9)
+
+/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
+#define ADIS16203_DIAG_STAT_ALARM1 BIT(8)
+
+/* Self-test diagnostic error flag */
+#define ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT 5
+
+/* SPI communications failure */
+#define ADIS16203_DIAG_STAT_SPI_FAIL_BIT 3
+
+/* Flash update failure */
+#define ADIS16203_DIAG_STAT_FLASH_UPT_BIT 2
+
+/* Power supply above 3.625 V */
+#define ADIS16203_DIAG_STAT_POWER_HIGH_BIT 1
+
+/* Power supply below 3.15 V */
+#define ADIS16203_DIAG_STAT_POWER_LOW_BIT 0
+
+/* GLOB_CMD */
+
+#define ADIS16203_GLOB_CMD_SW_RESET BIT(7)
+#define ADIS16203_GLOB_CMD_CLEAR_STAT BIT(4)
+#define ADIS16203_GLOB_CMD_FACTORY_CAL BIT(1)
+
+#define ADIS16203_ERROR_ACTIVE BIT(14)
+
+enum adis16203_scan {
+ ADIS16203_SCAN_INCLI_X,
+ ADIS16203_SCAN_INCLI_Y,
+ ADIS16203_SCAN_SUPPLY,
+ ADIS16203_SCAN_AUX_ADC,
+ ADIS16203_SCAN_TEMP,
+};
+
+#define DRIVER_NAME "adis16203"
+
+static const u8 adis16203_addresses[] = {
+ [ADIS16203_SCAN_INCLI_X] = ADIS16203_INCL_NULL,
+};
+
+static int adis16203_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);
+ /* currently only one writable parameter which keeps this simple */
+ u8 addr = adis16203_addresses[chan->scan_index];
+
+ return adis_write_reg_16(st, addr, val & 0x3FFF);
+}
+
+static int adis16203_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;
+ int bits;
+ u8 addr;
+ s16 val16;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ return adis_single_conversion(indio_dev, chan,
+ ADIS16203_ERROR_ACTIVE, val);
+ case IIO_CHAN_INFO_SCALE:
+ switch (chan->type) {
+ case IIO_VOLTAGE:
+ if (chan->channel == 0) {
+ *val = 1;
+ *val2 = 220000; /* 1.22 mV */
+ } else {
+ *val = 0;
+ *val2 = 610000; /* 0.61 mV */
+ }
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_TEMP:
+ *val = -470; /* -0.47 C */
+ *val2 = 0;
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_INCLI:
+ *val = 0;
+ *val2 = 25000; /* 0.025 degree */
+ return IIO_VAL_INT_PLUS_MICRO;
+ default:
+ return -EINVAL;
+ }
+ case IIO_CHAN_INFO_OFFSET:
+ *val = 25000 / -470 - 1278; /* 25 C = 1278 */
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_CALIBBIAS:
+ bits = 14;
+ mutex_lock(&indio_dev->mlock);
+ addr = adis16203_addresses[chan->scan_index];
+ ret = adis_read_reg_16(st, addr, &val16);
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
+ return ret;
+ }
+ val16 &= (1 << bits) - 1;
+ val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
+ *val = val16;
+ mutex_unlock(&indio_dev->mlock);
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+}
+
+static const struct iio_chan_spec adis16203_channels[] = {
+ ADIS_SUPPLY_CHAN(ADIS16203_SUPPLY_OUT, ADIS16203_SCAN_SUPPLY, 0, 12),
+ ADIS_AUX_ADC_CHAN(ADIS16203_AUX_ADC, ADIS16203_SCAN_AUX_ADC, 0, 12),
+ ADIS_INCLI_CHAN(X, ADIS16203_XINCL_OUT, ADIS16203_SCAN_INCLI_X,
+ BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
+ /* Fixme: Not what it appears to be - see data sheet */
+ ADIS_INCLI_CHAN(Y, ADIS16203_YINCL_OUT, ADIS16203_SCAN_INCLI_Y,
+ 0, 0, 14),
+ ADIS_TEMP_CHAN(ADIS16203_TEMP_OUT, ADIS16203_SCAN_TEMP, 0, 12),
+ IIO_CHAN_SOFT_TIMESTAMP(5),
+};
+
+static const struct iio_info adis16203_info = {
+ .read_raw = &adis16203_read_raw,
+ .write_raw = &adis16203_write_raw,
+ .update_scan_mode = adis_update_scan_mode,
+ .driver_module = THIS_MODULE,
+};
+
+static const char * const adis16203_status_error_msgs[] = {
+ [ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT] = "Self test failure",
+ [ADIS16203_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure",
+ [ADIS16203_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed",
+ [ADIS16203_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V",
+ [ADIS16203_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V",
+};
+
+static const struct adis_data adis16203_data = {
+ .read_delay = 20,
+ .msc_ctrl_reg = ADIS16203_MSC_CTRL,
+ .glob_cmd_reg = ADIS16203_GLOB_CMD,
+ .diag_stat_reg = ADIS16203_DIAG_STAT,
+
+ .self_test_mask = ADIS16203_MSC_CTRL_SELF_TEST_EN,
+ .self_test_no_autoclear = true,
+ .startup_delay = ADIS16203_STARTUP_DELAY,
+
+ .status_error_msgs = adis16203_status_error_msgs,
+ .status_error_mask = BIT(ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT) |
+ BIT(ADIS16203_DIAG_STAT_SPI_FAIL_BIT) |
+ BIT(ADIS16203_DIAG_STAT_FLASH_UPT_BIT) |
+ BIT(ADIS16203_DIAG_STAT_POWER_HIGH_BIT) |
+ BIT(ADIS16203_DIAG_STAT_POWER_LOW_BIT),
+};
+
+static int adis16203_probe(struct spi_device *spi)
+{
+ int ret;
+ struct iio_dev *indio_dev;
+ struct adis *st;
+
+ /* 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->dev.parent = &spi->dev;
+ indio_dev->channels = adis16203_channels;
+ indio_dev->num_channels = ARRAY_SIZE(adis16203_channels);
+ indio_dev->info = &adis16203_info;
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = adis_init(st, indio_dev, spi, &adis16203_data);
+ if (ret)
+ return ret;
+
+ ret = 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)
+ goto error_cleanup_buffer_trigger;
+
+ ret = iio_device_register(indio_dev);
+ if (ret)
+ goto error_cleanup_buffer_trigger;
+
+ return 0;
+
+error_cleanup_buffer_trigger:
+ adis_cleanup_buffer_and_trigger(st, indio_dev);
+ return ret;
+}
+
+static int adis16203_remove(struct spi_device *spi)
+{
+ struct iio_dev *indio_dev = spi_get_drvdata(spi);
+ struct adis *st = iio_priv(indio_dev);
+
+ iio_device_unregister(indio_dev);
+ adis_cleanup_buffer_and_trigger(st, indio_dev);
+
+ return 0;
+}
+
+static struct spi_driver adis16203_driver = {
+ .driver = {
+ .name = "adis16203",
+ },
+ .probe = adis16203_probe,
+ .remove = adis16203_remove,
+};
+module_spi_driver(adis16203_driver);
+
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_DESCRIPTION("Analog Devices ADIS16203 Programmable 360 Degrees Inclinometer");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("spi:adis16203");
+++ /dev/null
-/*
- * ADIS16203 Programmable 360 Degrees Inclinometer
- *
- * Copyright 2010 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/delay.h>
-#include <linux/device.h>
-
-#include <linux/iio/buffer.h>
-#include <linux/iio/iio.h>
-#include <linux/iio/imu/adis.h>
-#include <linux/iio/sysfs.h>
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/slab.h>
-#include <linux/spi/spi.h>
-#include <linux/sysfs.h>
-
-#define ADIS16203_STARTUP_DELAY 220 /* ms */
-
-/* Flash memory write count */
-#define ADIS16203_FLASH_CNT 0x00
-
-/* Output, power supply */
-#define ADIS16203_SUPPLY_OUT 0x02
-
-/* Output, auxiliary ADC input */
-#define ADIS16203_AUX_ADC 0x08
-
-/* Output, temperature */
-#define ADIS16203_TEMP_OUT 0x0A
-
-/* Output, x-axis inclination */
-#define ADIS16203_XINCL_OUT 0x0C
-
-/* Output, y-axis inclination */
-#define ADIS16203_YINCL_OUT 0x0E
-
-/* Incline null calibration */
-#define ADIS16203_INCL_NULL 0x18
-
-/* Alarm 1 amplitude threshold */
-#define ADIS16203_ALM_MAG1 0x20
-
-/* Alarm 2 amplitude threshold */
-#define ADIS16203_ALM_MAG2 0x22
-
-/* Alarm 1, sample period */
-#define ADIS16203_ALM_SMPL1 0x24
-
-/* Alarm 2, sample period */
-#define ADIS16203_ALM_SMPL2 0x26
-
-/* Alarm control */
-#define ADIS16203_ALM_CTRL 0x28
-
-/* Auxiliary DAC data */
-#define ADIS16203_AUX_DAC 0x30
-
-/* General-purpose digital input/output control */
-#define ADIS16203_GPIO_CTRL 0x32
-
-/* Miscellaneous control */
-#define ADIS16203_MSC_CTRL 0x34
-
-/* Internal sample period (rate) control */
-#define ADIS16203_SMPL_PRD 0x36
-
-/* Operation, filter configuration */
-#define ADIS16203_AVG_CNT 0x38
-
-/* Operation, sleep mode control */
-#define ADIS16203_SLP_CNT 0x3A
-
-/* Diagnostics, system status register */
-#define ADIS16203_DIAG_STAT 0x3C
-
-/* Operation, system command register */
-#define ADIS16203_GLOB_CMD 0x3E
-
-/* MSC_CTRL */
-
-/* Self-test at power-on: 1 = disabled, 0 = enabled */
-#define ADIS16203_MSC_CTRL_PWRUP_SELF_TEST BIT(10)
-
-/* Reverses rotation of both inclination outputs */
-#define ADIS16203_MSC_CTRL_REVERSE_ROT_EN BIT(9)
-
-/* Self-test enable */
-#define ADIS16203_MSC_CTRL_SELF_TEST_EN BIT(8)
-
-/* Data-ready enable: 1 = enabled, 0 = disabled */
-#define ADIS16203_MSC_CTRL_DATA_RDY_EN BIT(2)
-
-/* Data-ready polarity: 1 = active high, 0 = active low */
-#define ADIS16203_MSC_CTRL_ACTIVE_HIGH BIT(1)
-
-/* Data-ready line selection: 1 = DIO1, 0 = DIO0 */
-#define ADIS16203_MSC_CTRL_DATA_RDY_DIO1 BIT(0)
-
-/* DIAG_STAT */
-
-/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
-#define ADIS16203_DIAG_STAT_ALARM2 BIT(9)
-
-/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
-#define ADIS16203_DIAG_STAT_ALARM1 BIT(8)
-
-/* Self-test diagnostic error flag */
-#define ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT 5
-
-/* SPI communications failure */
-#define ADIS16203_DIAG_STAT_SPI_FAIL_BIT 3
-
-/* Flash update failure */
-#define ADIS16203_DIAG_STAT_FLASH_UPT_BIT 2
-
-/* Power supply above 3.625 V */
-#define ADIS16203_DIAG_STAT_POWER_HIGH_BIT 1
-
-/* Power supply below 3.15 V */
-#define ADIS16203_DIAG_STAT_POWER_LOW_BIT 0
-
-/* GLOB_CMD */
-
-#define ADIS16203_GLOB_CMD_SW_RESET BIT(7)
-#define ADIS16203_GLOB_CMD_CLEAR_STAT BIT(4)
-#define ADIS16203_GLOB_CMD_FACTORY_CAL BIT(1)
-
-#define ADIS16203_ERROR_ACTIVE BIT(14)
-
-enum adis16203_scan {
- ADIS16203_SCAN_INCLI_X,
- ADIS16203_SCAN_INCLI_Y,
- ADIS16203_SCAN_SUPPLY,
- ADIS16203_SCAN_AUX_ADC,
- ADIS16203_SCAN_TEMP,
-};
-
-#define DRIVER_NAME "adis16203"
-
-static const u8 adis16203_addresses[] = {
- [ADIS16203_SCAN_INCLI_X] = ADIS16203_INCL_NULL,
-};
-
-static int adis16203_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);
- /* currently only one writable parameter which keeps this simple */
- u8 addr = adis16203_addresses[chan->scan_index];
-
- return adis_write_reg_16(st, addr, val & 0x3FFF);
-}
-
-static int adis16203_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;
- int bits;
- u8 addr;
- s16 val16;
-
- switch (mask) {
- case IIO_CHAN_INFO_RAW:
- return adis_single_conversion(indio_dev, chan,
- ADIS16203_ERROR_ACTIVE, val);
- case IIO_CHAN_INFO_SCALE:
- switch (chan->type) {
- case IIO_VOLTAGE:
- if (chan->channel == 0) {
- *val = 1;
- *val2 = 220000; /* 1.22 mV */
- } else {
- *val = 0;
- *val2 = 610000; /* 0.61 mV */
- }
- return IIO_VAL_INT_PLUS_MICRO;
- case IIO_TEMP:
- *val = -470; /* -0.47 C */
- *val2 = 0;
- return IIO_VAL_INT_PLUS_MICRO;
- case IIO_INCLI:
- *val = 0;
- *val2 = 25000; /* 0.025 degree */
- return IIO_VAL_INT_PLUS_MICRO;
- default:
- return -EINVAL;
- }
- case IIO_CHAN_INFO_OFFSET:
- *val = 25000 / -470 - 1278; /* 25 C = 1278 */
- return IIO_VAL_INT;
- case IIO_CHAN_INFO_CALIBBIAS:
- bits = 14;
- mutex_lock(&indio_dev->mlock);
- addr = adis16203_addresses[chan->scan_index];
- ret = adis_read_reg_16(st, addr, &val16);
- if (ret) {
- mutex_unlock(&indio_dev->mlock);
- return ret;
- }
- val16 &= (1 << bits) - 1;
- val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
- *val = val16;
- mutex_unlock(&indio_dev->mlock);
- return IIO_VAL_INT;
- default:
- return -EINVAL;
- }
-}
-
-static const struct iio_chan_spec adis16203_channels[] = {
- ADIS_SUPPLY_CHAN(ADIS16203_SUPPLY_OUT, ADIS16203_SCAN_SUPPLY, 0, 12),
- ADIS_AUX_ADC_CHAN(ADIS16203_AUX_ADC, ADIS16203_SCAN_AUX_ADC, 0, 12),
- ADIS_INCLI_CHAN(X, ADIS16203_XINCL_OUT, ADIS16203_SCAN_INCLI_X,
- BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
- /* Fixme: Not what it appears to be - see data sheet */
- ADIS_INCLI_CHAN(Y, ADIS16203_YINCL_OUT, ADIS16203_SCAN_INCLI_Y,
- 0, 0, 14),
- ADIS_TEMP_CHAN(ADIS16203_TEMP_OUT, ADIS16203_SCAN_TEMP, 0, 12),
- IIO_CHAN_SOFT_TIMESTAMP(5),
-};
-
-static const struct iio_info adis16203_info = {
- .read_raw = &adis16203_read_raw,
- .write_raw = &adis16203_write_raw,
- .update_scan_mode = adis_update_scan_mode,
- .driver_module = THIS_MODULE,
-};
-
-static const char * const adis16203_status_error_msgs[] = {
- [ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT] = "Self test failure",
- [ADIS16203_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure",
- [ADIS16203_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed",
- [ADIS16203_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V",
- [ADIS16203_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V",
-};
-
-static const struct adis_data adis16203_data = {
- .read_delay = 20,
- .msc_ctrl_reg = ADIS16203_MSC_CTRL,
- .glob_cmd_reg = ADIS16203_GLOB_CMD,
- .diag_stat_reg = ADIS16203_DIAG_STAT,
-
- .self_test_mask = ADIS16203_MSC_CTRL_SELF_TEST_EN,
- .self_test_no_autoclear = true,
- .startup_delay = ADIS16203_STARTUP_DELAY,
-
- .status_error_msgs = adis16203_status_error_msgs,
- .status_error_mask = BIT(ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT) |
- BIT(ADIS16203_DIAG_STAT_SPI_FAIL_BIT) |
- BIT(ADIS16203_DIAG_STAT_FLASH_UPT_BIT) |
- BIT(ADIS16203_DIAG_STAT_POWER_HIGH_BIT) |
- BIT(ADIS16203_DIAG_STAT_POWER_LOW_BIT),
-};
-
-static int adis16203_probe(struct spi_device *spi)
-{
- int ret;
- struct iio_dev *indio_dev;
- struct adis *st;
-
- /* 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->dev.parent = &spi->dev;
- indio_dev->channels = adis16203_channels;
- indio_dev->num_channels = ARRAY_SIZE(adis16203_channels);
- indio_dev->info = &adis16203_info;
- indio_dev->modes = INDIO_DIRECT_MODE;
-
- ret = adis_init(st, indio_dev, spi, &adis16203_data);
- if (ret)
- return ret;
-
- ret = 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)
- goto error_cleanup_buffer_trigger;
-
- ret = iio_device_register(indio_dev);
- if (ret)
- goto error_cleanup_buffer_trigger;
-
- return 0;
-
-error_cleanup_buffer_trigger:
- adis_cleanup_buffer_and_trigger(st, indio_dev);
- return ret;
-}
-
-static int adis16203_remove(struct spi_device *spi)
-{
- struct iio_dev *indio_dev = spi_get_drvdata(spi);
- struct adis *st = iio_priv(indio_dev);
-
- iio_device_unregister(indio_dev);
- adis_cleanup_buffer_and_trigger(st, indio_dev);
-
- return 0;
-}
-
-static struct spi_driver adis16203_driver = {
- .driver = {
- .name = "adis16203",
- },
- .probe = adis16203_probe,
- .remove = adis16203_remove,
-};
-module_spi_driver(adis16203_driver);
-
-MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
-MODULE_DESCRIPTION("Analog Devices ADIS16203 Programmable 360 Degrees Inclinometer");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("spi:adis16203");
--- /dev/null
+/*
+ * ADIS16209 Dual-Axis Digital Inclinometer and Accelerometer
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/slab.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+#include <linux/module.h>
+
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/iio/buffer.h>
+#include <linux/iio/imu/adis.h>
+
+#define ADIS16209_STARTUP_DELAY 220 /* ms */
+
+/* Flash memory write count */
+#define ADIS16209_FLASH_CNT 0x00
+
+/* Output, power supply */
+#define ADIS16209_SUPPLY_OUT 0x02
+
+/* Output, x-axis accelerometer */
+#define ADIS16209_XACCL_OUT 0x04
+
+/* Output, y-axis accelerometer */
+#define ADIS16209_YACCL_OUT 0x06
+
+/* Output, auxiliary ADC input */
+#define ADIS16209_AUX_ADC 0x08
+
+/* Output, temperature */
+#define ADIS16209_TEMP_OUT 0x0A
+
+/* Output, x-axis inclination */
+#define ADIS16209_XINCL_OUT 0x0C
+
+/* Output, y-axis inclination */
+#define ADIS16209_YINCL_OUT 0x0E
+
+/* Output, +/-180 vertical rotational position */
+#define ADIS16209_ROT_OUT 0x10
+
+/* Calibration, x-axis acceleration offset null */
+#define ADIS16209_XACCL_NULL 0x12
+
+/* Calibration, y-axis acceleration offset null */
+#define ADIS16209_YACCL_NULL 0x14
+
+/* Calibration, x-axis inclination offset null */
+#define ADIS16209_XINCL_NULL 0x16
+
+/* Calibration, y-axis inclination offset null */
+#define ADIS16209_YINCL_NULL 0x18
+
+/* Calibration, vertical rotation offset null */
+#define ADIS16209_ROT_NULL 0x1A
+
+/* Alarm 1 amplitude threshold */
+#define ADIS16209_ALM_MAG1 0x20
+
+/* Alarm 2 amplitude threshold */
+#define ADIS16209_ALM_MAG2 0x22
+
+/* Alarm 1, sample period */
+#define ADIS16209_ALM_SMPL1 0x24
+
+/* Alarm 2, sample period */
+#define ADIS16209_ALM_SMPL2 0x26
+
+/* Alarm control */
+#define ADIS16209_ALM_CTRL 0x28
+
+/* Auxiliary DAC data */
+#define ADIS16209_AUX_DAC 0x30
+
+/* General-purpose digital input/output control */
+#define ADIS16209_GPIO_CTRL 0x32
+
+/* Miscellaneous control */
+#define ADIS16209_MSC_CTRL 0x34
+
+/* Internal sample period (rate) control */
+#define ADIS16209_SMPL_PRD 0x36
+
+/* Operation, filter configuration */
+#define ADIS16209_AVG_CNT 0x38
+
+/* Operation, sleep mode control */
+#define ADIS16209_SLP_CNT 0x3A
+
+/* Diagnostics, system status register */
+#define ADIS16209_DIAG_STAT 0x3C
+
+/* Operation, system command register */
+#define ADIS16209_GLOB_CMD 0x3E
+
+/* MSC_CTRL */
+
+/* Self-test at power-on: 1 = disabled, 0 = enabled */
+#define ADIS16209_MSC_CTRL_PWRUP_SELF_TEST BIT(10)
+
+/* Self-test enable */
+#define ADIS16209_MSC_CTRL_SELF_TEST_EN BIT(8)
+
+/* Data-ready enable: 1 = enabled, 0 = disabled */
+#define ADIS16209_MSC_CTRL_DATA_RDY_EN BIT(2)
+
+/* Data-ready polarity: 1 = active high, 0 = active low */
+#define ADIS16209_MSC_CTRL_ACTIVE_HIGH BIT(1)
+
+/* Data-ready line selection: 1 = DIO2, 0 = DIO1 */
+#define ADIS16209_MSC_CTRL_DATA_RDY_DIO2 BIT(0)
+
+/* DIAG_STAT */
+
+/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
+#define ADIS16209_DIAG_STAT_ALARM2 BIT(9)
+
+/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
+#define ADIS16209_DIAG_STAT_ALARM1 BIT(8)
+
+/* Self-test diagnostic error flag: 1 = error condition, 0 = normal operation */
+#define ADIS16209_DIAG_STAT_SELFTEST_FAIL_BIT 5
+
+/* SPI communications failure */
+#define ADIS16209_DIAG_STAT_SPI_FAIL_BIT 3
+
+/* Flash update failure */
+#define ADIS16209_DIAG_STAT_FLASH_UPT_BIT 2
+
+/* Power supply above 3.625 V */
+#define ADIS16209_DIAG_STAT_POWER_HIGH_BIT 1
+
+/* Power supply below 3.15 V */
+#define ADIS16209_DIAG_STAT_POWER_LOW_BIT 0
+
+/* GLOB_CMD */
+
+#define ADIS16209_GLOB_CMD_SW_RESET BIT(7)
+#define ADIS16209_GLOB_CMD_CLEAR_STAT BIT(4)
+#define ADIS16209_GLOB_CMD_FACTORY_CAL BIT(1)
+
+#define ADIS16209_ERROR_ACTIVE BIT(14)
+
+#define ADIS16209_SCAN_SUPPLY 0
+#define ADIS16209_SCAN_ACC_X 1
+#define ADIS16209_SCAN_ACC_Y 2
+#define ADIS16209_SCAN_AUX_ADC 3
+#define ADIS16209_SCAN_TEMP 4
+#define ADIS16209_SCAN_INCLI_X 5
+#define ADIS16209_SCAN_INCLI_Y 6
+#define ADIS16209_SCAN_ROT 7
+
+static const u8 adis16209_addresses[8][1] = {
+ [ADIS16209_SCAN_SUPPLY] = { },
+ [ADIS16209_SCAN_AUX_ADC] = { },
+ [ADIS16209_SCAN_ACC_X] = { ADIS16209_XACCL_NULL },
+ [ADIS16209_SCAN_ACC_Y] = { ADIS16209_YACCL_NULL },
+ [ADIS16209_SCAN_INCLI_X] = { ADIS16209_XINCL_NULL },
+ [ADIS16209_SCAN_INCLI_Y] = { ADIS16209_YINCL_NULL },
+ [ADIS16209_SCAN_ROT] = { },
+ [ADIS16209_SCAN_TEMP] = { },
+};
+
+static int adis16209_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);
+ int bits;
+ s16 val16;
+ u8 addr;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_CALIBBIAS:
+ switch (chan->type) {
+ case IIO_ACCEL:
+ case IIO_INCLI:
+ bits = 14;
+ break;
+ default:
+ return -EINVAL;
+ }
+ val16 = val & ((1 << bits) - 1);
+ addr = adis16209_addresses[chan->scan_index][0];
+ return adis_write_reg_16(st, addr, val16);
+ }
+ return -EINVAL;
+}
+
+static int adis16209_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;
+ int bits;
+ u8 addr;
+ s16 val16;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ return adis_single_conversion(indio_dev, chan,
+ ADIS16209_ERROR_ACTIVE, val);
+ case IIO_CHAN_INFO_SCALE:
+ switch (chan->type) {
+ case IIO_VOLTAGE:
+ *val = 0;
+ if (chan->channel == 0)
+ *val2 = 305180; /* 0.30518 mV */
+ else
+ *val2 = 610500; /* 0.6105 mV */
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_TEMP:
+ *val = -470; /* -0.47 C */
+ *val2 = 0;
+ return IIO_VAL_INT_PLUS_MICRO;
+ case IIO_ACCEL:
+ *val = 0;
+ *val2 = IIO_G_TO_M_S_2(244140); /* 0.244140 mg */
+ return IIO_VAL_INT_PLUS_NANO;
+ case IIO_INCLI:
+ case IIO_ROT:
+ *val = 0;
+ *val2 = 25000; /* 0.025 degree */
+ return IIO_VAL_INT_PLUS_MICRO;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case IIO_CHAN_INFO_OFFSET:
+ *val = 25000 / -470 - 0x4FE; /* 25 C = 0x4FE */
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_CALIBBIAS:
+ switch (chan->type) {
+ case IIO_ACCEL:
+ bits = 14;
+ break;
+ default:
+ return -EINVAL;
+ }
+ mutex_lock(&indio_dev->mlock);
+ addr = adis16209_addresses[chan->scan_index][0];
+ ret = adis_read_reg_16(st, addr, &val16);
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
+ return ret;
+ }
+ val16 &= (1 << bits) - 1;
+ val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
+ *val = val16;
+ mutex_unlock(&indio_dev->mlock);
+ return IIO_VAL_INT;
+ }
+ return -EINVAL;
+}
+
+static const struct iio_chan_spec adis16209_channels[] = {
+ ADIS_SUPPLY_CHAN(ADIS16209_SUPPLY_OUT, ADIS16209_SCAN_SUPPLY, 0, 14),
+ ADIS_TEMP_CHAN(ADIS16209_TEMP_OUT, ADIS16209_SCAN_TEMP, 0, 12),
+ ADIS_ACCEL_CHAN(X, ADIS16209_XACCL_OUT, ADIS16209_SCAN_ACC_X,
+ BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
+ ADIS_ACCEL_CHAN(Y, ADIS16209_YACCL_OUT, ADIS16209_SCAN_ACC_Y,
+ BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
+ ADIS_AUX_ADC_CHAN(ADIS16209_AUX_ADC, ADIS16209_SCAN_AUX_ADC, 0, 12),
+ ADIS_INCLI_CHAN(X, ADIS16209_XINCL_OUT, ADIS16209_SCAN_INCLI_X,
+ 0, 0, 14),
+ ADIS_INCLI_CHAN(Y, ADIS16209_YINCL_OUT, ADIS16209_SCAN_INCLI_Y,
+ 0, 0, 14),
+ ADIS_ROT_CHAN(X, ADIS16209_ROT_OUT, ADIS16209_SCAN_ROT, 0, 0, 14),
+ IIO_CHAN_SOFT_TIMESTAMP(8)
+};
+
+static const struct iio_info adis16209_info = {
+ .read_raw = &adis16209_read_raw,
+ .write_raw = &adis16209_write_raw,
+ .update_scan_mode = adis_update_scan_mode,
+ .driver_module = THIS_MODULE,
+};
+
+static const char * const adis16209_status_error_msgs[] = {
+ [ADIS16209_DIAG_STAT_SELFTEST_FAIL_BIT] = "Self test failure",
+ [ADIS16209_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure",
+ [ADIS16209_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed",
+ [ADIS16209_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V",
+ [ADIS16209_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V",
+};
+
+static const struct adis_data adis16209_data = {
+ .read_delay = 30,
+ .msc_ctrl_reg = ADIS16209_MSC_CTRL,
+ .glob_cmd_reg = ADIS16209_GLOB_CMD,
+ .diag_stat_reg = ADIS16209_DIAG_STAT,
+
+ .self_test_mask = ADIS16209_MSC_CTRL_SELF_TEST_EN,
+ .self_test_no_autoclear = true,
+ .startup_delay = ADIS16209_STARTUP_DELAY,
+
+ .status_error_msgs = adis16209_status_error_msgs,
+ .status_error_mask = BIT(ADIS16209_DIAG_STAT_SELFTEST_FAIL_BIT) |
+ BIT(ADIS16209_DIAG_STAT_SPI_FAIL_BIT) |
+ BIT(ADIS16209_DIAG_STAT_FLASH_UPT_BIT) |
+ BIT(ADIS16209_DIAG_STAT_POWER_HIGH_BIT) |
+ BIT(ADIS16209_DIAG_STAT_POWER_LOW_BIT),
+};
+
+static int adis16209_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->dev.parent = &spi->dev;
+ indio_dev->info = &adis16209_info;
+ indio_dev->channels = adis16209_channels;
+ indio_dev->num_channels = ARRAY_SIZE(adis16209_channels);
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = adis_init(st, indio_dev, spi, &adis16209_data);
+ if (ret)
+ return ret;
+ ret = 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)
+ goto error_cleanup_buffer_trigger;
+ ret = iio_device_register(indio_dev);
+ if (ret)
+ goto error_cleanup_buffer_trigger;
+
+ return 0;
+
+error_cleanup_buffer_trigger:
+ adis_cleanup_buffer_and_trigger(st, indio_dev);
+ return ret;
+}
+
+static int adis16209_remove(struct spi_device *spi)
+{
+ struct iio_dev *indio_dev = spi_get_drvdata(spi);
+ struct adis *st = iio_priv(indio_dev);
+
+ iio_device_unregister(indio_dev);
+ adis_cleanup_buffer_and_trigger(st, indio_dev);
+
+ return 0;
+}
+
+static struct spi_driver adis16209_driver = {
+ .driver = {
+ .name = "adis16209",
+ },
+ .probe = adis16209_probe,
+ .remove = adis16209_remove,
+};
+module_spi_driver(adis16209_driver);
+
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_DESCRIPTION("Analog Devices ADIS16209 Dual-Axis Digital Inclinometer and Accelerometer");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("spi:adis16209");
+++ /dev/null
-/*
- * ADIS16209 Dual-Axis Digital Inclinometer and Accelerometer
- *
- * Copyright 2010 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/delay.h>
-#include <linux/mutex.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/spi/spi.h>
-#include <linux/slab.h>
-#include <linux/sysfs.h>
-#include <linux/list.h>
-#include <linux/module.h>
-
-#include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
-#include <linux/iio/buffer.h>
-#include <linux/iio/imu/adis.h>
-
-#define ADIS16209_STARTUP_DELAY 220 /* ms */
-
-/* Flash memory write count */
-#define ADIS16209_FLASH_CNT 0x00
-
-/* Output, power supply */
-#define ADIS16209_SUPPLY_OUT 0x02
-
-/* Output, x-axis accelerometer */
-#define ADIS16209_XACCL_OUT 0x04
-
-/* Output, y-axis accelerometer */
-#define ADIS16209_YACCL_OUT 0x06
-
-/* Output, auxiliary ADC input */
-#define ADIS16209_AUX_ADC 0x08
-
-/* Output, temperature */
-#define ADIS16209_TEMP_OUT 0x0A
-
-/* Output, x-axis inclination */
-#define ADIS16209_XINCL_OUT 0x0C
-
-/* Output, y-axis inclination */
-#define ADIS16209_YINCL_OUT 0x0E
-
-/* Output, +/-180 vertical rotational position */
-#define ADIS16209_ROT_OUT 0x10
-
-/* Calibration, x-axis acceleration offset null */
-#define ADIS16209_XACCL_NULL 0x12
-
-/* Calibration, y-axis acceleration offset null */
-#define ADIS16209_YACCL_NULL 0x14
-
-/* Calibration, x-axis inclination offset null */
-#define ADIS16209_XINCL_NULL 0x16
-
-/* Calibration, y-axis inclination offset null */
-#define ADIS16209_YINCL_NULL 0x18
-
-/* Calibration, vertical rotation offset null */
-#define ADIS16209_ROT_NULL 0x1A
-
-/* Alarm 1 amplitude threshold */
-#define ADIS16209_ALM_MAG1 0x20
-
-/* Alarm 2 amplitude threshold */
-#define ADIS16209_ALM_MAG2 0x22
-
-/* Alarm 1, sample period */
-#define ADIS16209_ALM_SMPL1 0x24
-
-/* Alarm 2, sample period */
-#define ADIS16209_ALM_SMPL2 0x26
-
-/* Alarm control */
-#define ADIS16209_ALM_CTRL 0x28
-
-/* Auxiliary DAC data */
-#define ADIS16209_AUX_DAC 0x30
-
-/* General-purpose digital input/output control */
-#define ADIS16209_GPIO_CTRL 0x32
-
-/* Miscellaneous control */
-#define ADIS16209_MSC_CTRL 0x34
-
-/* Internal sample period (rate) control */
-#define ADIS16209_SMPL_PRD 0x36
-
-/* Operation, filter configuration */
-#define ADIS16209_AVG_CNT 0x38
-
-/* Operation, sleep mode control */
-#define ADIS16209_SLP_CNT 0x3A
-
-/* Diagnostics, system status register */
-#define ADIS16209_DIAG_STAT 0x3C
-
-/* Operation, system command register */
-#define ADIS16209_GLOB_CMD 0x3E
-
-/* MSC_CTRL */
-
-/* Self-test at power-on: 1 = disabled, 0 = enabled */
-#define ADIS16209_MSC_CTRL_PWRUP_SELF_TEST BIT(10)
-
-/* Self-test enable */
-#define ADIS16209_MSC_CTRL_SELF_TEST_EN BIT(8)
-
-/* Data-ready enable: 1 = enabled, 0 = disabled */
-#define ADIS16209_MSC_CTRL_DATA_RDY_EN BIT(2)
-
-/* Data-ready polarity: 1 = active high, 0 = active low */
-#define ADIS16209_MSC_CTRL_ACTIVE_HIGH BIT(1)
-
-/* Data-ready line selection: 1 = DIO2, 0 = DIO1 */
-#define ADIS16209_MSC_CTRL_DATA_RDY_DIO2 BIT(0)
-
-/* DIAG_STAT */
-
-/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
-#define ADIS16209_DIAG_STAT_ALARM2 BIT(9)
-
-/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
-#define ADIS16209_DIAG_STAT_ALARM1 BIT(8)
-
-/* Self-test diagnostic error flag: 1 = error condition, 0 = normal operation */
-#define ADIS16209_DIAG_STAT_SELFTEST_FAIL_BIT 5
-
-/* SPI communications failure */
-#define ADIS16209_DIAG_STAT_SPI_FAIL_BIT 3
-
-/* Flash update failure */
-#define ADIS16209_DIAG_STAT_FLASH_UPT_BIT 2
-
-/* Power supply above 3.625 V */
-#define ADIS16209_DIAG_STAT_POWER_HIGH_BIT 1
-
-/* Power supply below 3.15 V */
-#define ADIS16209_DIAG_STAT_POWER_LOW_BIT 0
-
-/* GLOB_CMD */
-
-#define ADIS16209_GLOB_CMD_SW_RESET BIT(7)
-#define ADIS16209_GLOB_CMD_CLEAR_STAT BIT(4)
-#define ADIS16209_GLOB_CMD_FACTORY_CAL BIT(1)
-
-#define ADIS16209_ERROR_ACTIVE BIT(14)
-
-#define ADIS16209_SCAN_SUPPLY 0
-#define ADIS16209_SCAN_ACC_X 1
-#define ADIS16209_SCAN_ACC_Y 2
-#define ADIS16209_SCAN_AUX_ADC 3
-#define ADIS16209_SCAN_TEMP 4
-#define ADIS16209_SCAN_INCLI_X 5
-#define ADIS16209_SCAN_INCLI_Y 6
-#define ADIS16209_SCAN_ROT 7
-
-static const u8 adis16209_addresses[8][1] = {
- [ADIS16209_SCAN_SUPPLY] = { },
- [ADIS16209_SCAN_AUX_ADC] = { },
- [ADIS16209_SCAN_ACC_X] = { ADIS16209_XACCL_NULL },
- [ADIS16209_SCAN_ACC_Y] = { ADIS16209_YACCL_NULL },
- [ADIS16209_SCAN_INCLI_X] = { ADIS16209_XINCL_NULL },
- [ADIS16209_SCAN_INCLI_Y] = { ADIS16209_YINCL_NULL },
- [ADIS16209_SCAN_ROT] = { },
- [ADIS16209_SCAN_TEMP] = { },
-};
-
-static int adis16209_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);
- int bits;
- s16 val16;
- u8 addr;
-
- switch (mask) {
- case IIO_CHAN_INFO_CALIBBIAS:
- switch (chan->type) {
- case IIO_ACCEL:
- case IIO_INCLI:
- bits = 14;
- break;
- default:
- return -EINVAL;
- }
- val16 = val & ((1 << bits) - 1);
- addr = adis16209_addresses[chan->scan_index][0];
- return adis_write_reg_16(st, addr, val16);
- }
- return -EINVAL;
-}
-
-static int adis16209_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;
- int bits;
- u8 addr;
- s16 val16;
-
- switch (mask) {
- case IIO_CHAN_INFO_RAW:
- return adis_single_conversion(indio_dev, chan,
- ADIS16209_ERROR_ACTIVE, val);
- case IIO_CHAN_INFO_SCALE:
- switch (chan->type) {
- case IIO_VOLTAGE:
- *val = 0;
- if (chan->channel == 0)
- *val2 = 305180; /* 0.30518 mV */
- else
- *val2 = 610500; /* 0.6105 mV */
- return IIO_VAL_INT_PLUS_MICRO;
- case IIO_TEMP:
- *val = -470; /* -0.47 C */
- *val2 = 0;
- return IIO_VAL_INT_PLUS_MICRO;
- case IIO_ACCEL:
- *val = 0;
- *val2 = IIO_G_TO_M_S_2(244140); /* 0.244140 mg */
- return IIO_VAL_INT_PLUS_NANO;
- case IIO_INCLI:
- case IIO_ROT:
- *val = 0;
- *val2 = 25000; /* 0.025 degree */
- return IIO_VAL_INT_PLUS_MICRO;
- default:
- return -EINVAL;
- }
- break;
- case IIO_CHAN_INFO_OFFSET:
- *val = 25000 / -470 - 0x4FE; /* 25 C = 0x4FE */
- return IIO_VAL_INT;
- case IIO_CHAN_INFO_CALIBBIAS:
- switch (chan->type) {
- case IIO_ACCEL:
- bits = 14;
- break;
- default:
- return -EINVAL;
- }
- mutex_lock(&indio_dev->mlock);
- addr = adis16209_addresses[chan->scan_index][0];
- ret = adis_read_reg_16(st, addr, &val16);
- if (ret) {
- mutex_unlock(&indio_dev->mlock);
- return ret;
- }
- val16 &= (1 << bits) - 1;
- val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
- *val = val16;
- mutex_unlock(&indio_dev->mlock);
- return IIO_VAL_INT;
- }
- return -EINVAL;
-}
-
-static const struct iio_chan_spec adis16209_channels[] = {
- ADIS_SUPPLY_CHAN(ADIS16209_SUPPLY_OUT, ADIS16209_SCAN_SUPPLY, 0, 14),
- ADIS_TEMP_CHAN(ADIS16209_TEMP_OUT, ADIS16209_SCAN_TEMP, 0, 12),
- ADIS_ACCEL_CHAN(X, ADIS16209_XACCL_OUT, ADIS16209_SCAN_ACC_X,
- BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
- ADIS_ACCEL_CHAN(Y, ADIS16209_YACCL_OUT, ADIS16209_SCAN_ACC_Y,
- BIT(IIO_CHAN_INFO_CALIBBIAS), 0, 14),
- ADIS_AUX_ADC_CHAN(ADIS16209_AUX_ADC, ADIS16209_SCAN_AUX_ADC, 0, 12),
- ADIS_INCLI_CHAN(X, ADIS16209_XINCL_OUT, ADIS16209_SCAN_INCLI_X,
- 0, 0, 14),
- ADIS_INCLI_CHAN(Y, ADIS16209_YINCL_OUT, ADIS16209_SCAN_INCLI_Y,
- 0, 0, 14),
- ADIS_ROT_CHAN(X, ADIS16209_ROT_OUT, ADIS16209_SCAN_ROT, 0, 0, 14),
- IIO_CHAN_SOFT_TIMESTAMP(8)
-};
-
-static const struct iio_info adis16209_info = {
- .read_raw = &adis16209_read_raw,
- .write_raw = &adis16209_write_raw,
- .update_scan_mode = adis_update_scan_mode,
- .driver_module = THIS_MODULE,
-};
-
-static const char * const adis16209_status_error_msgs[] = {
- [ADIS16209_DIAG_STAT_SELFTEST_FAIL_BIT] = "Self test failure",
- [ADIS16209_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure",
- [ADIS16209_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed",
- [ADIS16209_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V",
- [ADIS16209_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V",
-};
-
-static const struct adis_data adis16209_data = {
- .read_delay = 30,
- .msc_ctrl_reg = ADIS16209_MSC_CTRL,
- .glob_cmd_reg = ADIS16209_GLOB_CMD,
- .diag_stat_reg = ADIS16209_DIAG_STAT,
-
- .self_test_mask = ADIS16209_MSC_CTRL_SELF_TEST_EN,
- .self_test_no_autoclear = true,
- .startup_delay = ADIS16209_STARTUP_DELAY,
-
- .status_error_msgs = adis16209_status_error_msgs,
- .status_error_mask = BIT(ADIS16209_DIAG_STAT_SELFTEST_FAIL_BIT) |
- BIT(ADIS16209_DIAG_STAT_SPI_FAIL_BIT) |
- BIT(ADIS16209_DIAG_STAT_FLASH_UPT_BIT) |
- BIT(ADIS16209_DIAG_STAT_POWER_HIGH_BIT) |
- BIT(ADIS16209_DIAG_STAT_POWER_LOW_BIT),
-};
-
-static int adis16209_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->dev.parent = &spi->dev;
- indio_dev->info = &adis16209_info;
- indio_dev->channels = adis16209_channels;
- indio_dev->num_channels = ARRAY_SIZE(adis16209_channels);
- indio_dev->modes = INDIO_DIRECT_MODE;
-
- ret = adis_init(st, indio_dev, spi, &adis16209_data);
- if (ret)
- return ret;
- ret = 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)
- goto error_cleanup_buffer_trigger;
- ret = iio_device_register(indio_dev);
- if (ret)
- goto error_cleanup_buffer_trigger;
-
- return 0;
-
-error_cleanup_buffer_trigger:
- adis_cleanup_buffer_and_trigger(st, indio_dev);
- return ret;
-}
-
-static int adis16209_remove(struct spi_device *spi)
-{
- struct iio_dev *indio_dev = spi_get_drvdata(spi);
- struct adis *st = iio_priv(indio_dev);
-
- iio_device_unregister(indio_dev);
- adis_cleanup_buffer_and_trigger(st, indio_dev);
-
- return 0;
-}
-
-static struct spi_driver adis16209_driver = {
- .driver = {
- .name = "adis16209",
- },
- .probe = adis16209_probe,
- .remove = adis16209_remove,
-};
-module_spi_driver(adis16209_driver);
-
-MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
-MODULE_DESCRIPTION("Analog Devices ADIS16209 Dual-Axis Digital Inclinometer and Accelerometer");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("spi:adis16209");
--- /dev/null
+/*
+ * ADIS16240 Programmable Impact Sensor and Recorder driver
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/slab.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+#include <linux/module.h>
+
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/iio/buffer.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 3.15 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!
+ */
+
+#define ADIS16240_SCAN_ACC_X 0
+#define ADIS16240_SCAN_ACC_Y 1
+#define ADIS16240_SCAN_ACC_Z 2
+#define ADIS16240_SCAN_SUPPLY 3
+#define ADIS16240_SCAN_AUX_ADC 4
+#define ADIS16240_SCAN_TEMP 5
+
+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)
+{
+ ssize_t ret;
+ struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+
+ /* Take the iio_dev status lock */
+ mutex_lock(&indio_dev->mlock);
+ ret = adis16240_spi_read_signed(dev, attr, buf, 12);
+ mutex_unlock(&indio_dev->mlock);
+
+ return ret;
+}
+
+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;
+ int bits;
+ 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:
+ bits = 10;
+ mutex_lock(&indio_dev->mlock);
+ addr = adis16240_addresses[chan->scan_index][0];
+ ret = adis_read_reg_16(st, addr, &val16);
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
+ return ret;
+ }
+ val16 &= (1 << bits) - 1;
+ val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
+ *val = val16;
+ mutex_unlock(&indio_dev->mlock);
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_PEAK:
+ bits = 10;
+ mutex_lock(&indio_dev->mlock);
+ addr = adis16240_addresses[chan->scan_index][1];
+ ret = adis_read_reg_16(st, addr, &val16);
+ if (ret) {
+ mutex_unlock(&indio_dev->mlock);
+ return ret;
+ }
+ val16 &= (1 << bits) - 1;
+ val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
+ *val = val16;
+ mutex_unlock(&indio_dev->mlock);
+ 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);
+ int bits = 10;
+ s16 val16;
+ u8 addr;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_CALIBBIAS:
+ val16 = val & ((1 << bits) - 1);
+ addr = adis16240_addresses[chan->scan_index][0];
+ return adis_write_reg_16(st, addr, val16);
+ }
+ 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,
+ .driver_module = THIS_MODULE,
+};
+
+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_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_no_autoclear = true,
+ .startup_delay = ADIS16240_STARTUP_DELAY,
+
+ .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->dev.parent = &spi->dev;
+ indio_dev->info = &adis16240_info;
+ indio_dev->channels = adis16240_channels;
+ indio_dev->num_channels = ARRAY_SIZE(adis16240_channels);
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = adis_init(st, indio_dev, spi, &adis16240_data);
+ if (ret)
+ return ret;
+ ret = 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)
+ goto error_cleanup_buffer_trigger;
+ ret = iio_device_register(indio_dev);
+ if (ret)
+ goto error_cleanup_buffer_trigger;
+ return 0;
+
+error_cleanup_buffer_trigger:
+ adis_cleanup_buffer_and_trigger(st, indio_dev);
+ return ret;
+}
+
+static int adis16240_remove(struct spi_device *spi)
+{
+ struct iio_dev *indio_dev = spi_get_drvdata(spi);
+ struct adis *st = iio_priv(indio_dev);
+
+ iio_device_unregister(indio_dev);
+ adis_cleanup_buffer_and_trigger(st, indio_dev);
+
+ return 0;
+}
+
+static struct spi_driver adis16240_driver = {
+ .driver = {
+ .name = "adis16240",
+ },
+ .probe = adis16240_probe,
+ .remove = adis16240_remove,
+};
+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");
+++ /dev/null
-/*
- * ADIS16240 Programmable Impact Sensor and Recorder driver
- *
- * Copyright 2010 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/gpio.h>
-#include <linux/delay.h>
-#include <linux/mutex.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/spi/spi.h>
-#include <linux/slab.h>
-#include <linux/sysfs.h>
-#include <linux/list.h>
-#include <linux/module.h>
-
-#include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
-#include <linux/iio/buffer.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 3.15 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!
- */
-
-#define ADIS16240_SCAN_ACC_X 0
-#define ADIS16240_SCAN_ACC_Y 1
-#define ADIS16240_SCAN_ACC_Z 2
-#define ADIS16240_SCAN_SUPPLY 3
-#define ADIS16240_SCAN_AUX_ADC 4
-#define ADIS16240_SCAN_TEMP 5
-
-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)
-{
- ssize_t ret;
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
-
- /* Take the iio_dev status lock */
- mutex_lock(&indio_dev->mlock);
- ret = adis16240_spi_read_signed(dev, attr, buf, 12);
- mutex_unlock(&indio_dev->mlock);
-
- return ret;
-}
-
-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;
- int bits;
- 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:
- bits = 10;
- mutex_lock(&indio_dev->mlock);
- addr = adis16240_addresses[chan->scan_index][0];
- ret = adis_read_reg_16(st, addr, &val16);
- if (ret) {
- mutex_unlock(&indio_dev->mlock);
- return ret;
- }
- val16 &= (1 << bits) - 1;
- val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
- *val = val16;
- mutex_unlock(&indio_dev->mlock);
- return IIO_VAL_INT;
- case IIO_CHAN_INFO_PEAK:
- bits = 10;
- mutex_lock(&indio_dev->mlock);
- addr = adis16240_addresses[chan->scan_index][1];
- ret = adis_read_reg_16(st, addr, &val16);
- if (ret) {
- mutex_unlock(&indio_dev->mlock);
- return ret;
- }
- val16 &= (1 << bits) - 1;
- val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
- *val = val16;
- mutex_unlock(&indio_dev->mlock);
- 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);
- int bits = 10;
- s16 val16;
- u8 addr;
-
- switch (mask) {
- case IIO_CHAN_INFO_CALIBBIAS:
- val16 = val & ((1 << bits) - 1);
- addr = adis16240_addresses[chan->scan_index][0];
- return adis_write_reg_16(st, addr, val16);
- }
- 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,
- .driver_module = THIS_MODULE,
-};
-
-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_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_no_autoclear = true,
- .startup_delay = ADIS16240_STARTUP_DELAY,
-
- .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->dev.parent = &spi->dev;
- indio_dev->info = &adis16240_info;
- indio_dev->channels = adis16240_channels;
- indio_dev->num_channels = ARRAY_SIZE(adis16240_channels);
- indio_dev->modes = INDIO_DIRECT_MODE;
-
- ret = adis_init(st, indio_dev, spi, &adis16240_data);
- if (ret)
- return ret;
- ret = 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)
- goto error_cleanup_buffer_trigger;
- ret = iio_device_register(indio_dev);
- if (ret)
- goto error_cleanup_buffer_trigger;
- return 0;
-
-error_cleanup_buffer_trigger:
- adis_cleanup_buffer_and_trigger(st, indio_dev);
- return ret;
-}
-
-static int adis16240_remove(struct spi_device *spi)
-{
- struct iio_dev *indio_dev = spi_get_drvdata(spi);
- struct adis *st = iio_priv(indio_dev);
-
- iio_device_unregister(indio_dev);
- adis_cleanup_buffer_and_trigger(st, indio_dev);
-
- return 0;
-}
-
-static struct spi_driver adis16240_driver = {
- .driver = {
- .name = "adis16240",
- },
- .probe = adis16240_probe,
- .remove = adis16240_remove,
-};
-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");
projects / mirror_ubuntu-bionic-kernel.git / commitdiff