| #ifndef SPI_ADIS16201_H_ |
| #define SPI_ADIS16201_H_ |
| |
| #define ADIS16201_STARTUP_DELAY 220 /* ms */ |
| |
| #define ADIS16201_READ_REG(a) a |
| #define ADIS16201_WRITE_REG(a) ((a) | 0x80) |
| |
| #define ADIS16201_FLASH_CNT 0x00 /* Flash memory write count */ |
| #define ADIS16201_SUPPLY_OUT 0x02 /* Output, power supply */ |
| #define ADIS16201_XACCL_OUT 0x04 /* Output, x-axis accelerometer */ |
| #define ADIS16201_YACCL_OUT 0x06 /* Output, y-axis accelerometer */ |
| #define ADIS16201_AUX_ADC 0x08 /* Output, auxiliary ADC input */ |
| #define ADIS16201_TEMP_OUT 0x0A /* Output, temperature */ |
| #define ADIS16201_XINCL_OUT 0x0C /* Output, x-axis inclination */ |
| #define ADIS16201_YINCL_OUT 0x0E /* Output, y-axis inclination */ |
| #define ADIS16201_XACCL_OFFS 0x10 /* Calibration, x-axis acceleration offset */ |
| #define ADIS16201_YACCL_OFFS 0x12 /* Calibration, y-axis acceleration offset */ |
| #define ADIS16201_XACCL_SCALE 0x14 /* x-axis acceleration scale factor */ |
| #define ADIS16201_YACCL_SCALE 0x16 /* y-axis acceleration scale factor */ |
| #define ADIS16201_XINCL_OFFS 0x18 /* Calibration, x-axis inclination offset */ |
| #define ADIS16201_YINCL_OFFS 0x1A /* Calibration, y-axis inclination offset */ |
| #define ADIS16201_XINCL_SCALE 0x1C /* x-axis inclination scale factor */ |
| #define ADIS16201_YINCL_SCALE 0x1E /* y-axis inclination scale factor */ |
| #define ADIS16201_ALM_MAG1 0x20 /* Alarm 1 amplitude threshold */ |
| #define ADIS16201_ALM_MAG2 0x22 /* Alarm 2 amplitude threshold */ |
| #define ADIS16201_ALM_SMPL1 0x24 /* Alarm 1, sample period */ |
| #define ADIS16201_ALM_SMPL2 0x26 /* Alarm 2, sample period */ |
| #define ADIS16201_ALM_CTRL 0x28 /* Alarm control */ |
| #define ADIS16201_AUX_DAC 0x30 /* Auxiliary DAC data */ |
| #define ADIS16201_GPIO_CTRL 0x32 /* General-purpose digital input/output control */ |
| #define ADIS16201_MSC_CTRL 0x34 /* Miscellaneous control */ |
| #define ADIS16201_SMPL_PRD 0x36 /* Internal sample period (rate) control */ |
| #define ADIS16201_AVG_CNT 0x38 /* Operation, filter configuration */ |
| #define ADIS16201_SLP_CNT 0x3A /* Operation, sleep mode control */ |
| #define ADIS16201_DIAG_STAT 0x3C /* Diagnostics, system status register */ |
| #define ADIS16201_GLOB_CMD 0x3E /* Operation, system command register */ |
| |
| #define ADIS16201_OUTPUTS 7 |
| |
| /* MSC_CTRL */ |
| #define ADIS16201_MSC_CTRL_SELF_TEST_EN (1 << 8) /* Self-test enable */ |
| #define ADIS16201_MSC_CTRL_DATA_RDY_EN (1 << 2) /* Data-ready enable: 1 = enabled, 0 = disabled */ |
| #define ADIS16201_MSC_CTRL_ACTIVE_HIGH (1 << 1) /* Data-ready polarity: 1 = active high, 0 = active low */ |
| #define ADIS16201_MSC_CTRL_DATA_RDY_DIO1 (1 << 0) /* Data-ready line selection: 1 = DIO1, 0 = DIO0 */ |
| |
| /* DIAG_STAT */ |
| #define ADIS16201_DIAG_STAT_ALARM2 (1<<9) /* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */ |
| #define ADIS16201_DIAG_STAT_ALARM1 (1<<8) /* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */ |
| #define ADIS16201_DIAG_STAT_SPI_FAIL (1<<3) /* SPI communications failure */ |
| #define ADIS16201_DIAG_STAT_FLASH_UPT (1<<2) /* Flash update failure */ |
| #define ADIS16201_DIAG_STAT_POWER_HIGH (1<<1) /* Power supply above 3.625 V */ |
| #define ADIS16201_DIAG_STAT_POWER_LOW (1<<0) /* Power supply below 3.15 V */ |
| |
| /* GLOB_CMD */ |
| #define ADIS16201_GLOB_CMD_SW_RESET (1<<7) |
| #define ADIS16201_GLOB_CMD_FACTORY_CAL (1<<1) |
| |
| #define ADIS16201_MAX_TX 14 |
| #define ADIS16201_MAX_RX 14 |
| |
| #define ADIS16201_ERROR_ACTIVE (1<<14) |
| |
| /** |
| * struct adis16201_state - device instance specific data |
| * @us: actual spi_device |
| * @trig: data ready trigger registered with iio |
| * @tx: transmit buffer |
| * @rx: receive buffer |
| * @buf_lock: mutex to protect tx and rx |
| **/ |
| struct adis16201_state { |
| struct spi_device *us; |
| struct iio_trigger *trig; |
| struct mutex buf_lock; |
| u8 tx[14] ____cacheline_aligned; |
| u8 rx[14]; |
| }; |
| |
| int adis16201_set_irq(struct iio_dev *indio_dev, bool enable); |
| |
| enum adis16201_scan { |
| ADIS16201_SCAN_SUPPLY, |
| ADIS16201_SCAN_ACC_X, |
| ADIS16201_SCAN_ACC_Y, |
| ADIS16201_SCAN_AUX_ADC, |
| ADIS16201_SCAN_TEMP, |
| ADIS16201_SCAN_INCLI_X, |
| ADIS16201_SCAN_INCLI_Y, |
| }; |
| |
| #ifdef CONFIG_IIO_BUFFER |
| void adis16201_remove_trigger(struct iio_dev *indio_dev); |
| int adis16201_probe_trigger(struct iio_dev *indio_dev); |
| |
| ssize_t adis16201_read_data_from_ring(struct device *dev, |
| struct device_attribute *attr, |
| char *buf); |
| |
| int adis16201_configure_ring(struct iio_dev *indio_dev); |
| void adis16201_unconfigure_ring(struct iio_dev *indio_dev); |
| |
| #else /* CONFIG_IIO_BUFFER */ |
| |
| static inline void adis16201_remove_trigger(struct iio_dev *indio_dev) |
| { |
| } |
| |
| static inline int adis16201_probe_trigger(struct iio_dev *indio_dev) |
| { |
| return 0; |
| } |
| |
| static inline ssize_t |
| adis16201_read_data_from_ring(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| return 0; |
| } |
| |
| static int adis16201_configure_ring(struct iio_dev *indio_dev) |
| { |
| return 0; |
| } |
| |
| static inline void adis16201_unconfigure_ring(struct iio_dev *indio_dev) |
| { |
| } |
| |
| static inline int adis16201_initialize_ring(struct iio_ring_buffer *ring) |
| { |
| return 0; |
| } |
| |
| static inline void adis16201_uninitialize_ring(struct iio_ring_buffer *ring) |
| { |
| } |
| |
| #endif /* CONFIG_IIO_BUFFER */ |
| #endif /* SPI_ADIS16201_H_ */ |