| #ifndef SPI_ADIS16203_H_ |
| #define SPI_ADIS16203_H_ |
| |
| #define ADIS16203_STARTUP_DELAY 220 /* ms */ |
| |
| #define ADIS16203_READ_REG(a) a |
| #define ADIS16203_WRITE_REG(a) ((a) | 0x80) |
| |
| #define ADIS16203_FLASH_CNT 0x00 /* Flash memory write count */ |
| #define ADIS16203_SUPPLY_OUT 0x02 /* Output, power supply */ |
| #define ADIS16203_AUX_ADC 0x08 /* Output, auxiliary ADC input */ |
| #define ADIS16203_TEMP_OUT 0x0A /* Output, temperature */ |
| #define ADIS16203_XINCL_OUT 0x0C /* Output, x-axis inclination */ |
| #define ADIS16203_YINCL_OUT 0x0E /* Output, y-axis inclination */ |
| #define ADIS16203_INCL_NULL 0x18 /* Incline null calibration */ |
| #define ADIS16203_ALM_MAG1 0x20 /* Alarm 1 amplitude threshold */ |
| #define ADIS16203_ALM_MAG2 0x22 /* Alarm 2 amplitude threshold */ |
| #define ADIS16203_ALM_SMPL1 0x24 /* Alarm 1, sample period */ |
| #define ADIS16203_ALM_SMPL2 0x26 /* Alarm 2, sample period */ |
| #define ADIS16203_ALM_CTRL 0x28 /* Alarm control */ |
| #define ADIS16203_AUX_DAC 0x30 /* Auxiliary DAC data */ |
| #define ADIS16203_GPIO_CTRL 0x32 /* General-purpose digital input/output control */ |
| #define ADIS16203_MSC_CTRL 0x34 /* Miscellaneous control */ |
| #define ADIS16203_SMPL_PRD 0x36 /* Internal sample period (rate) control */ |
| #define ADIS16203_AVG_CNT 0x38 /* Operation, filter configuration */ |
| #define ADIS16203_SLP_CNT 0x3A /* Operation, sleep mode control */ |
| #define ADIS16203_DIAG_STAT 0x3C /* Diagnostics, system status register */ |
| #define ADIS16203_GLOB_CMD 0x3E /* Operation, system command register */ |
| |
| #define ADIS16203_OUTPUTS 5 |
| |
| /* MSC_CTRL */ |
| #define ADIS16203_MSC_CTRL_PWRUP_SELF_TEST (1 << 10) /* Self-test at power-on: 1 = disabled, 0 = enabled */ |
| #define ADIS16203_MSC_CTRL_REVERSE_ROT_EN (1 << 9) /* Reverses rotation of both inclination outputs */ |
| #define ADIS16203_MSC_CTRL_SELF_TEST_EN (1 << 8) /* Self-test enable */ |
| #define ADIS16203_MSC_CTRL_DATA_RDY_EN (1 << 2) /* Data-ready enable: 1 = enabled, 0 = disabled */ |
| #define ADIS16203_MSC_CTRL_ACTIVE_HIGH (1 << 1) /* Data-ready polarity: 1 = active high, 0 = active low */ |
| #define ADIS16203_MSC_CTRL_DATA_RDY_DIO1 (1 << 0) /* Data-ready line selection: 1 = DIO1, 0 = DIO0 */ |
| |
| /* DIAG_STAT */ |
| #define ADIS16203_DIAG_STAT_ALARM2 (1<<9) /* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */ |
| #define ADIS16203_DIAG_STAT_ALARM1 (1<<8) /* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */ |
| #define ADIS16203_DIAG_STAT_SELFTEST_FAIL (1<<5) /* Self-test diagnostic error flag */ |
| #define ADIS16203_DIAG_STAT_SPI_FAIL (1<<3) /* SPI communications failure */ |
| #define ADIS16203_DIAG_STAT_FLASH_UPT (1<<2) /* Flash update failure */ |
| #define ADIS16203_DIAG_STAT_POWER_HIGH (1<<1) /* Power supply above 3.625 V */ |
| #define ADIS16203_DIAG_STAT_POWER_LOW (1<<0) /* Power supply below 3.15 V */ |
| |
| /* GLOB_CMD */ |
| #define ADIS16203_GLOB_CMD_SW_RESET (1<<7) |
| #define ADIS16203_GLOB_CMD_CLEAR_STAT (1<<4) |
| #define ADIS16203_GLOB_CMD_FACTORY_CAL (1<<1) |
| |
| #define ADIS16203_MAX_TX 12 |
| #define ADIS16203_MAX_RX 10 |
| |
| #define ADIS16203_ERROR_ACTIVE (1<<14) |
| |
| /** |
| * struct adis16203_state - device instance specific data |
| * @us: actual spi_device |
| * @work_trigger_to_ring: bh for triggered event handling |
| * @inter: used to check if new interrupt has been triggered |
| * @last_timestamp: passing timestamp from th to bh of interrupt handler |
| * @indio_dev: industrial I/O device structure |
| * @trig: data ready trigger registered with iio |
| * @tx: transmit buffer |
| * @rx: receive buffer |
| * @buf_lock: mutex to protect tx and rx |
| **/ |
| struct adis16203_state { |
| struct spi_device *us; |
| struct work_struct work_trigger_to_ring; |
| s64 last_timestamp; |
| struct iio_dev *indio_dev; |
| struct iio_trigger *trig; |
| u8 *tx; |
| u8 *rx; |
| struct mutex buf_lock; |
| }; |
| |
| int adis16203_set_irq(struct device *dev, bool enable); |
| |
| #ifdef CONFIG_IIO_RING_BUFFER |
| enum adis16203_scan { |
| ADIS16203_SCAN_SUPPLY, |
| ADIS16203_SCAN_AUX_ADC, |
| ADIS16203_SCAN_TEMP, |
| ADIS16203_SCAN_INCLI_X, |
| ADIS16203_SCAN_INCLI_Y, |
| }; |
| |
| void adis16203_remove_trigger(struct iio_dev *indio_dev); |
| int adis16203_probe_trigger(struct iio_dev *indio_dev); |
| |
| ssize_t adis16203_read_data_from_ring(struct device *dev, |
| struct device_attribute *attr, |
| char *buf); |
| |
| int adis16203_configure_ring(struct iio_dev *indio_dev); |
| void adis16203_unconfigure_ring(struct iio_dev *indio_dev); |
| |
| int adis16203_initialize_ring(struct iio_ring_buffer *ring); |
| void adis16203_uninitialize_ring(struct iio_ring_buffer *ring); |
| #else /* CONFIG_IIO_RING_BUFFER */ |
| |
| static inline void adis16203_remove_trigger(struct iio_dev *indio_dev) |
| { |
| } |
| |
| static inline int adis16203_probe_trigger(struct iio_dev *indio_dev) |
| { |
| return 0; |
| } |
| |
| static inline ssize_t |
| adis16203_read_data_from_ring(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| return 0; |
| } |
| |
| static int adis16203_configure_ring(struct iio_dev *indio_dev) |
| { |
| return 0; |
| } |
| |
| static inline void adis16203_unconfigure_ring(struct iio_dev *indio_dev) |
| { |
| } |
| |
| static inline int adis16203_initialize_ring(struct iio_ring_buffer *ring) |
| { |
| return 0; |
| } |
| |
| static inline void adis16203_uninitialize_ring(struct iio_ring_buffer *ring) |
| { |
| } |
| |
| #endif /* CONFIG_IIO_RING_BUFFER */ |
| #endif /* SPI_ADIS16203_H_ */ |