| #ifndef SPI_ADIS16220_H_ |
| #define SPI_ADIS16220_H_ |
| |
| #include <linux/iio/imu/adis.h> |
| |
| #define ADIS16220_STARTUP_DELAY 220 /* ms */ |
| |
| /* Flash memory write count */ |
| #define ADIS16220_FLASH_CNT 0x00 |
| /* Control, acceleration offset adjustment control */ |
| #define ADIS16220_ACCL_NULL 0x02 |
| /* Control, AIN1 offset adjustment control */ |
| #define ADIS16220_AIN1_NULL 0x04 |
| /* Control, AIN2 offset adjustment control */ |
| #define ADIS16220_AIN2_NULL 0x06 |
| /* Output, power supply during capture */ |
| #define ADIS16220_CAPT_SUPPLY 0x0A |
| /* Output, temperature during capture */ |
| #define ADIS16220_CAPT_TEMP 0x0C |
| /* Output, peak acceleration during capture */ |
| #define ADIS16220_CAPT_PEAKA 0x0E |
| /* Output, peak AIN1 level during capture */ |
| #define ADIS16220_CAPT_PEAK1 0x10 |
| /* Output, peak AIN2 level during capture */ |
| #define ADIS16220_CAPT_PEAK2 0x12 |
| /* Output, capture buffer for acceleration */ |
| #define ADIS16220_CAPT_BUFA 0x14 |
| /* Output, capture buffer for AIN1 */ |
| #define ADIS16220_CAPT_BUF1 0x16 |
| /* Output, capture buffer for AIN2 */ |
| #define ADIS16220_CAPT_BUF2 0x18 |
| /* Control, capture buffer address pointer */ |
| #define ADIS16220_CAPT_PNTR 0x1A |
| /* Control, capture control register */ |
| #define ADIS16220_CAPT_CTRL 0x1C |
| /* Control, capture period (automatic mode) */ |
| #define ADIS16220_CAPT_PRD 0x1E |
| /* Control, Alarm A, acceleration peak threshold */ |
| #define ADIS16220_ALM_MAGA 0x20 |
| /* Control, Alarm 1, AIN1 peak threshold */ |
| #define ADIS16220_ALM_MAG1 0x22 |
| /* Control, Alarm 2, AIN2 peak threshold */ |
| #define ADIS16220_ALM_MAG2 0x24 |
| /* Control, Alarm S, peak threshold */ |
| #define ADIS16220_ALM_MAGS 0x26 |
| /* Control, alarm configuration register */ |
| #define ADIS16220_ALM_CTRL 0x28 |
| /* Control, general I/O configuration */ |
| #define ADIS16220_GPIO_CTRL 0x32 |
| /* Control, self-test control, AIN configuration */ |
| #define ADIS16220_MSC_CTRL 0x34 |
| /* Control, digital I/O configuration */ |
| #define ADIS16220_DIO_CTRL 0x36 |
| /* Control, filter configuration */ |
| #define ADIS16220_AVG_CNT 0x38 |
| /* Status, system status */ |
| #define ADIS16220_DIAG_STAT 0x3C |
| /* Control, system commands */ |
| #define ADIS16220_GLOB_CMD 0x3E |
| /* Status, self-test response */ |
| #define ADIS16220_ST_DELTA 0x40 |
| /* Lot Identification Code 1 */ |
| #define ADIS16220_LOT_ID1 0x52 |
| /* Lot Identification Code 2 */ |
| #define ADIS16220_LOT_ID2 0x54 |
| /* Product identifier; convert to decimal = 16220 */ |
| #define ADIS16220_PROD_ID 0x56 |
| /* Serial number */ |
| #define ADIS16220_SERIAL_NUM 0x58 |
| |
| #define ADIS16220_CAPTURE_SIZE 2048 |
| |
| /* MSC_CTRL */ |
| #define ADIS16220_MSC_CTRL_SELF_TEST_EN BIT(8) |
| #define ADIS16220_MSC_CTRL_POWER_SUP_COM_AIN1 BIT(1) |
| #define ADIS16220_MSC_CTRL_POWER_SUP_COM_AIN2 BIT(0) |
| |
| /* DIO_CTRL */ |
| #define ADIS16220_MSC_CTRL_DIO2_BUSY_IND (BIT(5) | BIT(4)) |
| #define ADIS16220_MSC_CTRL_DIO1_BUSY_IND (BIT(3) | BIT(2)) |
| #define ADIS16220_MSC_CTRL_DIO2_ACT_HIGH BIT(1) |
| #define ADIS16220_MSC_CTRL_DIO1_ACT_HIGH BIT(0) |
| |
| /* DIAG_STAT */ |
| /* AIN2 sample > ALM_MAG2 */ |
| #define ADIS16220_DIAG_STAT_ALM_MAG2 BIT(14) |
| /* AIN1 sample > ALM_MAG1 */ |
| #define ADIS16220_DIAG_STAT_ALM_MAG1 BIT(13) |
| /* Acceleration sample > ALM_MAGA */ |
| #define ADIS16220_DIAG_STAT_ALM_MAGA BIT(12) |
| /* Error condition programmed into ALM_MAGS[11:0] and ALM_CTRL[5:4] is true */ |
| #define ADIS16220_DIAG_STAT_ALM_MAGS BIT(11) |
| /* |Peak value in AIN2 data capture| > ALM_MAG2 */ |
| #define ADIS16220_DIAG_STAT_PEAK_AIN2 BIT(10) |
| /* |Peak value in AIN1 data capture| > ALM_MAG1 */ |
| #define ADIS16220_DIAG_STAT_PEAK_AIN1 BIT(9) |
| /* |Peak value in acceleration data capture| > ALM_MAGA */ |
| #define ADIS16220_DIAG_STAT_PEAK_ACCEL BIT(8) |
| /* Data ready, capture complete */ |
| #define ADIS16220_DIAG_STAT_DATA_RDY BIT(7) |
| #define ADIS16220_DIAG_STAT_FLASH_CHK BIT(6) |
| #define ADIS16220_DIAG_STAT_SELF_TEST BIT(5) |
| /* Capture period violation/interruption */ |
| #define ADIS16220_DIAG_STAT_VIOLATION_BIT 4 |
| /* SPI communications failure */ |
| #define ADIS16220_DIAG_STAT_SPI_FAIL_BIT 3 |
| /* Flash update failure */ |
| #define ADIS16220_DIAG_STAT_FLASH_UPT_BIT 2 |
| /* Power supply above 3.625 V */ |
| #define ADIS16220_DIAG_STAT_POWER_HIGH_BIT 1 |
| /* Power supply below 3.15 V */ |
| #define ADIS16220_DIAG_STAT_POWER_LOW_BIT 0 |
| |
| /* GLOB_CMD */ |
| #define ADIS16220_GLOB_CMD_SW_RESET BIT(7) |
| #define ADIS16220_GLOB_CMD_SELF_TEST BIT(2) |
| #define ADIS16220_GLOB_CMD_PWR_DOWN BIT(1) |
| |
| #define ADIS16220_MAX_TX 2048 |
| #define ADIS16220_MAX_RX 2048 |
| |
| #define ADIS16220_SPI_BURST (u32)(1000 * 1000) |
| #define ADIS16220_SPI_FAST (u32)(2000 * 1000) |
| |
| /** |
| * struct adis16220_state - device instance specific data |
| * @adis: adis device |
| * @tx: transmit buffer |
| * @rx: receive buffer |
| * @buf_lock: mutex to protect tx and rx |
| **/ |
| struct adis16220_state { |
| struct adis adis; |
| |
| struct mutex buf_lock; |
| u8 tx[ADIS16220_MAX_TX] ____cacheline_aligned; |
| u8 rx[ADIS16220_MAX_RX]; |
| }; |
| |
| #endif /* SPI_ADIS16220_H_ */ |