1 #ifndef SPI_ADIS16220_H_
2 #define SPI_ADIS16220_H_
4 #include <linux/iio/imu/adis.h>
6 #define ADIS16220_STARTUP_DELAY 220 /* ms */
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
69 #define ADIS16220_SERIAL_NUM 0x58
71 #define ADIS16220_CAPTURE_SIZE 2048
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)
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)
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
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)
119 #define ADIS16220_MAX_TX 2048
120 #define ADIS16220_MAX_RX 2048
122 #define ADIS16220_SPI_BURST (u32)(1000 * 1000)
123 #define ADIS16220_SPI_FAST (u32)(2000 * 1000)
126 * struct adis16220_state - device instance specific data
128 * @tx: transmit buffer
129 * @rx: receive buffer
130 * @buf_lock: mutex to protect tx and rx
132 struct adis16220_state {
135 struct mutex buf_lock;
136 u8 tx[ADIS16220_MAX_TX] ____cacheline_aligned;
137 u8 rx[ADIS16220_MAX_RX];
140 #endif /* SPI_ADIS16220_H_ */