1#ifndef SPI_ADIS16220_H_ 2#define SPI_ADIS16220_H_ 3 4#define ADIS16220_STARTUP_DELAY 220 /* ms */ 5 6#define ADIS16220_READ_REG(a) a 7#define ADIS16220_WRITE_REG(a) ((a) | 0x80) 8 9/* Flash memory write count */ 10#define ADIS16220_FLASH_CNT 0x00 11/* Control, acceleration offset adjustment control */ 12#define ADIS16220_ACCL_NULL 0x02 13/* Control, AIN1 offset adjustment control */ 14#define ADIS16220_AIN1_NULL 0x04 15/* Control, AIN2 offset adjustment control */ 16#define ADIS16220_AIN2_NULL 0x06 17/* Output, power supply during capture */ 18#define ADIS16220_CAPT_SUPPLY 0x0A 19/* Output, temperature during capture */ 20#define ADIS16220_CAPT_TEMP 0x0C 21/* Output, peak acceleration during capture */ 22#define ADIS16220_CAPT_PEAKA 0x0E 23/* Output, peak AIN1 level during capture */ 24#define ADIS16220_CAPT_PEAK1 0x10 25/* Output, peak AIN2 level during capture */ 26#define ADIS16220_CAPT_PEAK2 0x12 27/* Output, capture buffer for acceleration */ 28#define ADIS16220_CAPT_BUFA 0x14 29/* Output, capture buffer for AIN1 */ 30#define ADIS16220_CAPT_BUF1 0x16 31/* Output, capture buffer for AIN2 */ 32#define ADIS16220_CAPT_BUF2 0x18 33/* Control, capture buffer address pointer */ 34#define ADIS16220_CAPT_PNTR 0x1A 35/* Control, capture control register */ 36#define ADIS16220_CAPT_CTRL 0x1C 37/* Control, capture period (automatic mode) */ 38#define ADIS16220_CAPT_PRD 0x1E 39/* Control, Alarm A, acceleration peak threshold */ 40#define ADIS16220_ALM_MAGA 0x20 41/* Control, Alarm 1, AIN1 peak threshold */ 42#define ADIS16220_ALM_MAG1 0x22 43/* Control, Alarm 2, AIN2 peak threshold */ 44#define ADIS16220_ALM_MAG2 0x24 45/* Control, Alarm S, peak threshold */ 46#define ADIS16220_ALM_MAGS 0x26 47/* Control, alarm configuration register */ 48#define ADIS16220_ALM_CTRL 0x28 49/* Control, general I/O configuration */ 50#define ADIS16220_GPIO_CTRL 0x32 51/* Control, self-test control, AIN configuration */ 52#define ADIS16220_MSC_CTRL 0x34 53/* Control, digital I/O configuration */ 54#define ADIS16220_DIO_CTRL 0x36 55/* Control, filter configuration */ 56#define ADIS16220_AVG_CNT 0x38 57/* Status, system status */ 58#define ADIS16220_DIAG_STAT 0x3C 59/* Control, system commands */ 60#define ADIS16220_GLOB_CMD 0x3E 61/* Status, self-test response */ 62#define ADIS16220_ST_DELTA 0x40 63/* Lot Identification Code 1 */ 64#define ADIS16220_LOT_ID1 0x52 65/* Lot Identification Code 2 */ 66#define ADIS16220_LOT_ID2 0x54 67/* Product identifier; convert to decimal = 16220 */ 68#define ADIS16220_PROD_ID 0x56 69/* Serial number */ 70#define ADIS16220_SERIAL_NUM 0x58 71 72#define ADIS16220_CAPTURE_SIZE 2048 73 74/* MSC_CTRL */ 75#define ADIS16220_MSC_CTRL_SELF_TEST_EN (1 << 8) 76#define ADIS16220_MSC_CTRL_POWER_SUP_COM_AIN1 (1 << 1) 77#define ADIS16220_MSC_CTRL_POWER_SUP_COM_AIN2 (1 << 0) 78 79/* DIO_CTRL */ 80#define ADIS16220_MSC_CTRL_DIO2_BUSY_IND (3<<4) 81#define ADIS16220_MSC_CTRL_DIO1_BUSY_IND (3<<2) 82#define ADIS16220_MSC_CTRL_DIO2_ACT_HIGH (1<<1) 83#define ADIS16220_MSC_CTRL_DIO1_ACT_HIGH (1<<0) 84 85/* DIAG_STAT */ 86/* AIN2 sample > ALM_MAG2 */ 87#define ADIS16220_DIAG_STAT_ALM_MAG2 (1<<14) 88/* AIN1 sample > ALM_MAG1 */ 89#define ADIS16220_DIAG_STAT_ALM_MAG1 (1<<13) 90/* Acceleration sample > ALM_MAGA */ 91#define ADIS16220_DIAG_STAT_ALM_MAGA (1<<12) 92/* Error condition programmed into ALM_MAGS[11:0] and ALM_CTRL[5:4] is true */ 93#define ADIS16220_DIAG_STAT_ALM_MAGS (1<<11) 94/* |Peak value in AIN2 data capture| > ALM_MAG2 */ 95#define ADIS16220_DIAG_STAT_PEAK_AIN2 (1<<10) 96/* |Peak value in AIN1 data capture| > ALM_MAG1 */ 97#define ADIS16220_DIAG_STAT_PEAK_AIN1 (1<<9) 98/* |Peak value in acceleration data capture| > ALM_MAGA */ 99#define ADIS16220_DIAG_STAT_PEAK_ACCEL (1<<8) 100/* Data ready, capture complete */ 101#define ADIS16220_DIAG_STAT_DATA_RDY (1<<7) 102#define ADIS16220_DIAG_STAT_FLASH_CHK (1<<6) 103#define ADIS16220_DIAG_STAT_SELF_TEST (1<<5) 104/* Capture period violation/interruption */ 105#define ADIS16220_DIAG_STAT_VIOLATION (1<<4) 106/* SPI communications failure */ 107#define ADIS16220_DIAG_STAT_SPI_FAIL (1<<3) 108/* Flash update failure */ 109#define ADIS16220_DIAG_STAT_FLASH_UPT (1<<2) 110/* Power supply above 3.625 V */ 111#define ADIS16220_DIAG_STAT_POWER_HIGH (1<<1) 112/* Power supply below 3.15 V */ 113#define ADIS16220_DIAG_STAT_POWER_LOW (1<<0) 114 115/* GLOB_CMD */ 116#define ADIS16220_GLOB_CMD_SW_RESET (1<<7) 117#define ADIS16220_GLOB_CMD_SELF_TEST (1<<2) 118#define ADIS16220_GLOB_CMD_PWR_DOWN (1<<1) 119 120#define ADIS16220_MAX_TX 2048 121#define ADIS16220_MAX_RX 2048 122 123#define ADIS16220_SPI_BURST (u32)(1000 * 1000) 124#define ADIS16220_SPI_FAST (u32)(2000 * 1000) 125 126/** 127 * struct adis16220_state - device instance specific data 128 * @us: actual spi_device 129 * @work_trigger_to_ring: bh for triggered event handling 130 * @inter: used to check if new interrupt has been triggered 131 * @last_timestamp: passing timestamp from th to bh of interrupt handler 132 * @indio_dev: industrial I/O device structure 133 * @trig: data ready trigger registered with iio 134 * @tx: transmit buffer 135 * @rx: recieve buffer 136 * @buf_lock: mutex to protect tx and rx 137 **/ 138struct adis16220_state { 139 struct spi_device *us; 140 struct iio_dev *indio_dev; 141 u8 *tx; 142 u8 *rx; 143 struct mutex buf_lock; 144}; 145 146#endif /* SPI_ADIS16220_H_ */ 147