1#ifndef SPI_ADIS16209_H_ 2#define SPI_ADIS16209_H_ 3 4#define ADIS16209_STARTUP_DELAY 220 /* ms */ 5 6#define ADIS16209_READ_REG(a) a 7#define ADIS16209_WRITE_REG(a) ((a) | 0x80) 8 9/* Flash memory write count */ 10#define ADIS16209_FLASH_CNT 0x00 11/* Output, power supply */ 12#define ADIS16209_SUPPLY_OUT 0x02 13/* Output, x-axis accelerometer */ 14#define ADIS16209_XACCL_OUT 0x04 15/* Output, y-axis accelerometer */ 16#define ADIS16209_YACCL_OUT 0x06 17/* Output, auxiliary ADC input */ 18#define ADIS16209_AUX_ADC 0x08 19/* Output, temperature */ 20#define ADIS16209_TEMP_OUT 0x0A 21/* Output, x-axis inclination */ 22#define ADIS16209_XINCL_OUT 0x0C 23/* Output, y-axis inclination */ 24#define ADIS16209_YINCL_OUT 0x0E 25/* Output, +/-180 vertical rotational position */ 26#define ADIS16209_ROT_OUT 0x10 27/* Calibration, x-axis acceleration offset null */ 28#define ADIS16209_XACCL_NULL 0x12 29/* Calibration, y-axis acceleration offset null */ 30#define ADIS16209_YACCL_NULL 0x14 31/* Calibration, x-axis inclination offset null */ 32#define ADIS16209_XINCL_NULL 0x16 33/* Calibration, y-axis inclination offset null */ 34#define ADIS16209_YINCL_NULL 0x18 35/* Calibration, vertical rotation offset null */ 36#define ADIS16209_ROT_NULL 0x1A 37/* Alarm 1 amplitude threshold */ 38#define ADIS16209_ALM_MAG1 0x20 39/* Alarm 2 amplitude threshold */ 40#define ADIS16209_ALM_MAG2 0x22 41/* Alarm 1, sample period */ 42#define ADIS16209_ALM_SMPL1 0x24 43/* Alarm 2, sample period */ 44#define ADIS16209_ALM_SMPL2 0x26 45/* Alarm control */ 46#define ADIS16209_ALM_CTRL 0x28 47/* Auxiliary DAC data */ 48#define ADIS16209_AUX_DAC 0x30 49/* General-purpose digital input/output control */ 50#define ADIS16209_GPIO_CTRL 0x32 51/* Miscellaneous control */ 52#define ADIS16209_MSC_CTRL 0x34 53/* Internal sample period (rate) control */ 54#define ADIS16209_SMPL_PRD 0x36 55/* Operation, filter configuration */ 56#define ADIS16209_AVG_CNT 0x38 57/* Operation, sleep mode control */ 58#define ADIS16209_SLP_CNT 0x3A 59/* Diagnostics, system status register */ 60#define ADIS16209_DIAG_STAT 0x3C 61/* Operation, system command register */ 62#define ADIS16209_GLOB_CMD 0x3E 63 64#define ADIS16209_OUTPUTS 8 65 66/* MSC_CTRL */ 67/* Self-test at power-on: 1 = disabled, 0 = enabled */ 68#define ADIS16209_MSC_CTRL_PWRUP_SELF_TEST (1 << 10) 69/* Self-test enable */ 70#define ADIS16209_MSC_CTRL_SELF_TEST_EN (1 << 8) 71/* Data-ready enable: 1 = enabled, 0 = disabled */ 72#define ADIS16209_MSC_CTRL_DATA_RDY_EN (1 << 2) 73/* Data-ready polarity: 1 = active high, 0 = active low */ 74#define ADIS16209_MSC_CTRL_ACTIVE_HIGH (1 << 1) 75/* Data-ready line selection: 1 = DIO2, 0 = DIO1 */ 76#define ADIS16209_MSC_CTRL_DATA_RDY_DIO2 (1 << 0) 77 78/* DIAG_STAT */ 79/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */ 80#define ADIS16209_DIAG_STAT_ALARM2 (1<<9) 81/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */ 82#define ADIS16209_DIAG_STAT_ALARM1 (1<<8) 83/* Self-test diagnostic error flag: 1 = error condition, 0 = normal operation */ 84#define ADIS16209_DIAG_STAT_SELFTEST_FAIL (1<<5) 85/* SPI communications failure */ 86#define ADIS16209_DIAG_STAT_SPI_FAIL (1<<3) 87/* Flash update failure */ 88#define ADIS16209_DIAG_STAT_FLASH_UPT (1<<2) 89/* Power supply above 3.625 V */ 90#define ADIS16209_DIAG_STAT_POWER_HIGH (1<<1) 91/* Power supply below 3.15 V */ 92#define ADIS16209_DIAG_STAT_POWER_LOW (1<<0) 93 94/* GLOB_CMD */ 95#define ADIS16209_GLOB_CMD_SW_RESET (1<<7) 96#define ADIS16209_GLOB_CMD_CLEAR_STAT (1<<4) 97#define ADIS16209_GLOB_CMD_FACTORY_CAL (1<<1) 98 99#define ADIS16209_MAX_TX 24 100#define ADIS16209_MAX_RX 24 101 102#define ADIS16209_ERROR_ACTIVE (1<<14) 103 104/** 105 * struct adis16209_state - device instance specific data 106 * @us: actual spi_device 107 * @trig: data ready trigger registered with iio 108 * @tx: transmit buffer 109 * @rx: receive buffer 110 * @buf_lock: mutex to protect tx and rx 111 **/ 112struct adis16209_state { 113 struct spi_device *us; 114 struct iio_trigger *trig; 115 struct mutex buf_lock; 116 u8 tx[ADIS16209_MAX_TX] ____cacheline_aligned; 117 u8 rx[ADIS16209_MAX_RX]; 118}; 119 120int adis16209_set_irq(struct iio_dev *indio_dev, bool enable); 121 122#define ADIS16209_SCAN_SUPPLY 0 123#define ADIS16209_SCAN_ACC_X 1 124#define ADIS16209_SCAN_ACC_Y 2 125#define ADIS16209_SCAN_AUX_ADC 3 126#define ADIS16209_SCAN_TEMP 4 127#define ADIS16209_SCAN_INCLI_X 5 128#define ADIS16209_SCAN_INCLI_Y 6 129#define ADIS16209_SCAN_ROT 7 130 131#ifdef CONFIG_IIO_BUFFER 132 133void adis16209_remove_trigger(struct iio_dev *indio_dev); 134int adis16209_probe_trigger(struct iio_dev *indio_dev); 135 136ssize_t adis16209_read_data_from_ring(struct device *dev, 137 struct device_attribute *attr, 138 char *buf); 139 140int adis16209_configure_ring(struct iio_dev *indio_dev); 141void adis16209_unconfigure_ring(struct iio_dev *indio_dev); 142 143#else /* CONFIG_IIO_BUFFER */ 144 145static inline void adis16209_remove_trigger(struct iio_dev *indio_dev) 146{ 147} 148 149static inline int adis16209_probe_trigger(struct iio_dev *indio_dev) 150{ 151 return 0; 152} 153 154static inline ssize_t 155adis16209_read_data_from_ring(struct device *dev, 156 struct device_attribute *attr, 157 char *buf) 158{ 159 return 0; 160} 161 162static int adis16209_configure_ring(struct iio_dev *indio_dev) 163{ 164 return 0; 165} 166 167static inline void adis16209_unconfigure_ring(struct iio_dev *indio_dev) 168{ 169} 170 171#endif /* CONFIG_IIO_BUFFER */ 172#endif /* SPI_ADIS16209_H_ */ 173