1 #ifndef SPI_ADIS16220_H_ 2 #define SPI_ADIS16220_H_ 3 4 #include <linux/iio/imu/adis.h> 5 6 #define ADIS16220_STARTUP_DELAY 220 /* ms */ 7 8 /* Flash memory write count */ 9 #define ADIS16220_FLASH_CNT 0x00 10 /* Control, acceleration offset adjustment control */ 11 #define ADIS16220_ACCL_NULL 0x02 12 /* Control, AIN1 offset adjustment control */ 13 #define ADIS16220_AIN1_NULL 0x04 14 /* Control, AIN2 offset adjustment control */ 15 #define ADIS16220_AIN2_NULL 0x06 16 /* Output, power supply during capture */ 17 #define ADIS16220_CAPT_SUPPLY 0x0A 18 /* Output, temperature during capture */ 19 #define ADIS16220_CAPT_TEMP 0x0C 20 /* Output, peak acceleration during capture */ 21 #define ADIS16220_CAPT_PEAKA 0x0E 22 /* Output, peak AIN1 level during capture */ 23 #define ADIS16220_CAPT_PEAK1 0x10 24 /* Output, peak AIN2 level during capture */ 25 #define ADIS16220_CAPT_PEAK2 0x12 26 /* Output, capture buffer for acceleration */ 27 #define ADIS16220_CAPT_BUFA 0x14 28 /* Output, capture buffer for AIN1 */ 29 #define ADIS16220_CAPT_BUF1 0x16 30 /* Output, capture buffer for AIN2 */ 31 #define ADIS16220_CAPT_BUF2 0x18 32 /* Control, capture buffer address pointer */ 33 #define ADIS16220_CAPT_PNTR 0x1A 34 /* Control, capture control register */ 35 #define ADIS16220_CAPT_CTRL 0x1C 36 /* Control, capture period (automatic mode) */ 37 #define ADIS16220_CAPT_PRD 0x1E 38 /* Control, Alarm A, acceleration peak threshold */ 39 #define ADIS16220_ALM_MAGA 0x20 40 /* Control, Alarm 1, AIN1 peak threshold */ 41 #define ADIS16220_ALM_MAG1 0x22 42 /* Control, Alarm 2, AIN2 peak threshold */ 43 #define ADIS16220_ALM_MAG2 0x24 44 /* Control, Alarm S, peak threshold */ 45 #define ADIS16220_ALM_MAGS 0x26 46 /* Control, alarm configuration register */ 47 #define ADIS16220_ALM_CTRL 0x28 48 /* Control, general I/O configuration */ 49 #define ADIS16220_GPIO_CTRL 0x32 50 /* Control, self-test control, AIN configuration */ 51 #define ADIS16220_MSC_CTRL 0x34 52 /* Control, digital I/O configuration */ 53 #define ADIS16220_DIO_CTRL 0x36 54 /* Control, filter configuration */ 55 #define ADIS16220_AVG_CNT 0x38 56 /* Status, system status */ 57 #define ADIS16220_DIAG_STAT 0x3C 58 /* Control, system commands */ 59 #define ADIS16220_GLOB_CMD 0x3E 60 /* Status, self-test response */ 61 #define ADIS16220_ST_DELTA 0x40 62 /* Lot Identification Code 1 */ 63 #define ADIS16220_LOT_ID1 0x52 64 /* Lot Identification Code 2 */ 65 #define ADIS16220_LOT_ID2 0x54 66 /* Product identifier; convert to decimal = 16220 */ 67 #define ADIS16220_PROD_ID 0x56 68 /* Serial number */ 69 #define ADIS16220_SERIAL_NUM 0x58 70 71 #define ADIS16220_CAPTURE_SIZE 2048 72 73 /* MSC_CTRL */ 74 #define ADIS16220_MSC_CTRL_SELF_TEST_EN (1 << 8) 75 #define ADIS16220_MSC_CTRL_POWER_SUP_COM_AIN1 (1 << 1) 76 #define ADIS16220_MSC_CTRL_POWER_SUP_COM_AIN2 (1 << 0) 77 78 /* DIO_CTRL */ 79 #define ADIS16220_MSC_CTRL_DIO2_BUSY_IND (3<<4) 80 #define ADIS16220_MSC_CTRL_DIO1_BUSY_IND (3<<2) 81 #define ADIS16220_MSC_CTRL_DIO2_ACT_HIGH (1<<1) 82 #define ADIS16220_MSC_CTRL_DIO1_ACT_HIGH (1<<0) 83 84 /* DIAG_STAT */ 85 /* AIN2 sample > ALM_MAG2 */ 86 #define ADIS16220_DIAG_STAT_ALM_MAG2 (1<<14) 87 /* AIN1 sample > ALM_MAG1 */ 88 #define ADIS16220_DIAG_STAT_ALM_MAG1 (1<<13) 89 /* Acceleration sample > ALM_MAGA */ 90 #define ADIS16220_DIAG_STAT_ALM_MAGA (1<<12) 91 /* Error condition programmed into ALM_MAGS[11:0] and ALM_CTRL[5:4] is true */ 92 #define ADIS16220_DIAG_STAT_ALM_MAGS (1<<11) 93 /* |Peak value in AIN2 data capture| > ALM_MAG2 */ 94 #define ADIS16220_DIAG_STAT_PEAK_AIN2 (1<<10) 95 /* |Peak value in AIN1 data capture| > ALM_MAG1 */ 96 #define ADIS16220_DIAG_STAT_PEAK_AIN1 (1<<9) 97 /* |Peak value in acceleration data capture| > ALM_MAGA */ 98 #define ADIS16220_DIAG_STAT_PEAK_ACCEL (1<<8) 99 /* Data ready, capture complete */ 100 #define ADIS16220_DIAG_STAT_DATA_RDY (1<<7) 101 #define ADIS16220_DIAG_STAT_FLASH_CHK (1<<6) 102 #define ADIS16220_DIAG_STAT_SELF_TEST (1<<5) 103 /* Capture period violation/interruption */ 104 #define ADIS16220_DIAG_STAT_VIOLATION_BIT 4 105 /* SPI communications failure */ 106 #define ADIS16220_DIAG_STAT_SPI_FAIL_BIT 3 107 /* Flash update failure */ 108 #define ADIS16220_DIAG_STAT_FLASH_UPT_BIT 2 109 /* Power supply above 3.625 V */ 110 #define ADIS16220_DIAG_STAT_POWER_HIGH_BIT 1 111 /* Power supply below 3.15 V */ 112 #define ADIS16220_DIAG_STAT_POWER_LOW_BIT 0 113 114 /* GLOB_CMD */ 115 #define ADIS16220_GLOB_CMD_SW_RESET (1<<7) 116 #define ADIS16220_GLOB_CMD_SELF_TEST (1<<2) 117 #define ADIS16220_GLOB_CMD_PWR_DOWN (1<<1) 118 119 #define ADIS16220_MAX_TX 2048 120 #define ADIS16220_MAX_RX 2048 121 122 #define ADIS16220_SPI_BURST (u32)(1000 * 1000) 123 #define ADIS16220_SPI_FAST (u32)(2000 * 1000) 124 125 /** 126 * struct adis16220_state - device instance specific data 127 * @adis: adis device 128 * @tx: transmit buffer 129 * @rx: receive buffer 130 * @buf_lock: mutex to protect tx and rx 131 **/ 132 struct adis16220_state { 133 struct adis adis; 134 135 struct mutex buf_lock; 136 u8 tx[ADIS16220_MAX_TX] ____cacheline_aligned; 137 u8 rx[ADIS16220_MAX_RX]; 138 }; 139 140 #endif /* SPI_ADIS16220_H_ */ 141