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@@ -7,20 +7,140 @@
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*/
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#include <linux/delay.h>
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-#include <linux/mutex.h>
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#include <linux/device.h>
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+
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+#include <linux/iio/buffer.h>
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+#include <linux/iio/iio.h>
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+#include <linux/iio/imu/adis.h>
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+#include <linux/iio/sysfs.h>
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+
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#include <linux/kernel.h>
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-#include <linux/spi/spi.h>
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+#include <linux/module.h>
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+#include <linux/mutex.h>
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#include <linux/slab.h>
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+#include <linux/spi/spi.h>
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#include <linux/sysfs.h>
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-#include <linux/module.h>
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-#include <linux/iio/iio.h>
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-#include <linux/iio/sysfs.h>
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-#include <linux/iio/buffer.h>
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-#include <linux/iio/imu/adis.h>
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+#define ADIS16203_STARTUP_DELAY 220 /* ms */
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+
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+/* Flash memory write count */
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+#define ADIS16203_FLASH_CNT 0x00
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+
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+/* Output, power supply */
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+#define ADIS16203_SUPPLY_OUT 0x02
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+
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+/* Output, auxiliary ADC input */
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+#define ADIS16203_AUX_ADC 0x08
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+
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+/* Output, temperature */
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+#define ADIS16203_TEMP_OUT 0x0A
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+
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+/* Output, x-axis inclination */
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+#define ADIS16203_XINCL_OUT 0x0C
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+
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+/* Output, y-axis inclination */
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+#define ADIS16203_YINCL_OUT 0x0E
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+
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+/* Incline null calibration */
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+#define ADIS16203_INCL_NULL 0x18
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+
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+/* Alarm 1 amplitude threshold */
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+#define ADIS16203_ALM_MAG1 0x20
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+
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+/* Alarm 2 amplitude threshold */
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+#define ADIS16203_ALM_MAG2 0x22
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+
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+/* Alarm 1, sample period */
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+#define ADIS16203_ALM_SMPL1 0x24
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+
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+/* Alarm 2, sample period */
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+#define ADIS16203_ALM_SMPL2 0x26
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+
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+/* Alarm control */
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+#define ADIS16203_ALM_CTRL 0x28
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-#include "adis16203.h"
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+/* Auxiliary DAC data */
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+#define ADIS16203_AUX_DAC 0x30
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+
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+/* General-purpose digital input/output control */
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+#define ADIS16203_GPIO_CTRL 0x32
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+
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+/* Miscellaneous control */
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+#define ADIS16203_MSC_CTRL 0x34
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+
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+/* Internal sample period (rate) control */
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+#define ADIS16203_SMPL_PRD 0x36
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+
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+/* Operation, filter configuration */
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+#define ADIS16203_AVG_CNT 0x38
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+
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+/* Operation, sleep mode control */
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+#define ADIS16203_SLP_CNT 0x3A
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+
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+/* Diagnostics, system status register */
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+#define ADIS16203_DIAG_STAT 0x3C
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+
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+/* Operation, system command register */
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+#define ADIS16203_GLOB_CMD 0x3E
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+
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+/* MSC_CTRL */
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+
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+/* Self-test at power-on: 1 = disabled, 0 = enabled */
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+#define ADIS16203_MSC_CTRL_PWRUP_SELF_TEST BIT(10)
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+
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+/* Reverses rotation of both inclination outputs */
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+#define ADIS16203_MSC_CTRL_REVERSE_ROT_EN BIT(9)
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+
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+/* Self-test enable */
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+#define ADIS16203_MSC_CTRL_SELF_TEST_EN BIT(8)
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+
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+/* Data-ready enable: 1 = enabled, 0 = disabled */
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+#define ADIS16203_MSC_CTRL_DATA_RDY_EN BIT(2)
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+
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+/* Data-ready polarity: 1 = active high, 0 = active low */
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+#define ADIS16203_MSC_CTRL_ACTIVE_HIGH BIT(1)
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+
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+/* Data-ready line selection: 1 = DIO1, 0 = DIO0 */
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+#define ADIS16203_MSC_CTRL_DATA_RDY_DIO1 BIT(0)
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+
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+/* DIAG_STAT */
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+
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+/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
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+#define ADIS16203_DIAG_STAT_ALARM2 BIT(9)
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+
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+/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
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+#define ADIS16203_DIAG_STAT_ALARM1 BIT(8)
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+
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+/* Self-test diagnostic error flag */
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+#define ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT 5
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+
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+/* SPI communications failure */
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+#define ADIS16203_DIAG_STAT_SPI_FAIL_BIT 3
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+
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+/* Flash update failure */
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+#define ADIS16203_DIAG_STAT_FLASH_UPT_BIT 2
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+
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+/* Power supply above 3.625 V */
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+#define ADIS16203_DIAG_STAT_POWER_HIGH_BIT 1
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+
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+/* Power supply below 3.15 V */
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+#define ADIS16203_DIAG_STAT_POWER_LOW_BIT 0
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+
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+/* GLOB_CMD */
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+
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+#define ADIS16203_GLOB_CMD_SW_RESET BIT(7)
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+#define ADIS16203_GLOB_CMD_CLEAR_STAT BIT(4)
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+#define ADIS16203_GLOB_CMD_FACTORY_CAL BIT(1)
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+
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+#define ADIS16203_ERROR_ACTIVE BIT(14)
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+
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+enum adis16203_scan {
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+ ADIS16203_SCAN_INCLI_X,
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+ ADIS16203_SCAN_INCLI_Y,
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+ ADIS16203_SCAN_SUPPLY,
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+ ADIS16203_SCAN_AUX_ADC,
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+ ADIS16203_SCAN_TEMP,
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+};
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#define DRIVER_NAME "adis16203"
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