projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 06f1962a BS |
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 | |
| 06f1962a BS |
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 | |
| 25985edc | 135 | * @rx: receive buffer |
| 06f1962a BS |
136 | * @buf_lock: mutex to protect tx and rx |
| 137 | **/ | |
| 138 | struct adis16220_state { | |
| 139 | struct spi_device *us; | |
| 140 | struct iio_dev *indio_dev; | |
| 141 | u8 *tx; | |
| 142 | u8 *rx; | |
| 06f1962a BS |
143 | struct mutex buf_lock; |
| 144 | }; | |
| 145 | ||
| 146 | #endif /* SPI_ADIS16220_H_ */ |