Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / iio / accel / adis16220.h

diff --git a/kernel/drivers/staging/iio/accel/adis16220.h b/kernel/drivers/staging/iio/accel/adis16220.h
new file mode 100644 (file)
index 0000000..eab8633
--- /dev/null
+++ b/kernel/drivers/staging/iio/accel/adis16220.h
@@ -0,0 +1,140 @@
+#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_ */