---

yaml --- r: 197451 b: refs/heads/master c: 5763dca h: refs/heads/master i: 197449: 326fd21 197447: b91cf61 v: v3
git-mirror · May 18, 2010 · 330c9a4 · 330c9a4
1 parent 2778896
commit 330c9a4
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Showing 7 changed files with 1,356 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 81b77f94a10b64a3620e32531b5d8dbc495f1727
+refs/heads/master: 5763dcab5cd7de27d6db50efd393c416177c56c7
diff --git a/trunk/drivers/staging/iio/imu/Kconfig b/trunk/drivers/staging/iio/imu/Kconfig
@@ -13,6 +13,15 @@ config ADIS16300
 	  Say yes here to build support for Analog Devices adis16300 four degrees
 	  of freedom inertial sensor.
 
+config ADIS16350
+	tristate "Analog Devices ADIS16350/54/55/60/62/64/65 IMU SPI driver"
+	depends on SPI
+	select IIO_TRIGGER if IIO_RING_BUFFER
+	select IIO_SW_RING if IIO_RING_BUFFER
+	help
+	  Say yes here to build support for Analog Devices adis16350/54/55/60/62/64/65
+	  high precision tri-axis inertial sensor.
+
 config ADIS16400
 	tristate "Analog Devices ADIS16400/5 IMU SPI driver"
  	depends on SPI

diff --git a/trunk/drivers/staging/iio/imu/Makefile b/trunk/drivers/staging/iio/imu/Makefile
@@ -5,6 +5,10 @@ adis16300-y             := adis16300_core.o
 adis16300-$(CONFIG_IIO_RING_BUFFER) += adis16300_ring.o adis16300_trigger.o
 obj-$(CONFIG_ADIS16300) += adis16300.o
 
+adis16350-y             := adis16350_core.o
+adis16350-$(CONFIG_IIO_RING_BUFFER) += adis16350_ring.o adis16350_trigger.o
+obj-$(CONFIG_ADIS16350) += adis16350.o
+
 adis16400-y             := adis16400_core.o
 adis16400-$(CONFIG_IIO_RING_BUFFER) += adis16400_ring.o adis16400_trigger.o
 obj-$(CONFIG_ADIS16400) += adis16400.o
diff --git a/trunk/drivers/staging/iio/imu/adis16350.h b/trunk/drivers/staging/iio/imu/adis16350.h
@@ -0,0 +1,193 @@
+#ifndef SPI_ADIS16350_H_
+#define SPI_ADIS16350_H_
+
+#define ADIS16350_STARTUP_DELAY	220 /* ms */
+
+#define ADIS16350_READ_REG(a)    a
+#define ADIS16350_WRITE_REG(a) ((a) | 0x80)
+
+#define ADIS16350_FLASH_CNT  0x00 /* Flash memory write count */
+#define ADIS16350_SUPPLY_OUT 0x02 /* Power supply measurement */
+#define ADIS16350_XGYRO_OUT 0x04 /* X-axis gyroscope output */
+#define ADIS16350_YGYRO_OUT 0x06 /* Y-axis gyroscope output */
+#define ADIS16350_ZGYRO_OUT 0x08 /* Z-axis gyroscope output */
+#define ADIS16350_XACCL_OUT 0x0A /* X-axis accelerometer output */
+#define ADIS16350_YACCL_OUT 0x0C /* Y-axis accelerometer output */
+#define ADIS16350_ZACCL_OUT 0x0E /* Z-axis accelerometer output */
+#define ADIS16350_XTEMP_OUT 0x10 /* X-axis gyroscope temperature measurement */
+#define ADIS16350_YTEMP_OUT 0x12 /* Y-axis gyroscope temperature measurement */
+#define ADIS16350_ZTEMP_OUT 0x14 /* Z-axis gyroscope temperature measurement */
+#define ADIS16350_AUX_ADC   0x16 /* Auxiliary ADC measurement */
+
+/* Calibration parameters */
+#define ADIS16350_XGYRO_OFF 0x1A /* X-axis gyroscope bias offset factor */
+#define ADIS16350_YGYRO_OFF 0x1C /* Y-axis gyroscope bias offset factor */
+#define ADIS16350_ZGYRO_OFF 0x1E /* Z-axis gyroscope bias offset factor */
+#define ADIS16350_XACCL_OFF 0x20 /* X-axis acceleration bias offset factor */
+#define ADIS16350_YACCL_OFF 0x22 /* Y-axis acceleration bias offset factor */
+#define ADIS16350_ZACCL_OFF 0x24 /* Z-axis acceleration bias offset factor */
+
+#define ADIS16350_GPIO_CTRL 0x32 /* Auxiliary digital input/output control */
+#define ADIS16350_MSC_CTRL  0x34 /* Miscellaneous control */
+#define ADIS16350_SMPL_PRD  0x36 /* Internal sample period (rate) control */
+#define ADIS16350_SENS_AVG  0x38 /* Dynamic range and digital filter control */
+#define ADIS16350_SLP_CNT   0x3A /* Sleep mode control */
+#define ADIS16350_DIAG_STAT 0x3C /* System status */
+
+/* Alarm functions */
+#define ADIS16350_GLOB_CMD  0x3E /* System command */
+#define ADIS16350_ALM_MAG1  0x26 /* Alarm 1 amplitude threshold */
+#define ADIS16350_ALM_MAG2  0x28 /* Alarm 2 amplitude threshold */
+#define ADIS16350_ALM_SMPL1 0x2A /* Alarm 1 sample size */
+#define ADIS16350_ALM_SMPL2 0x2C /* Alarm 2 sample size */
+#define ADIS16350_ALM_CTRL  0x2E /* Alarm control */
+#define ADIS16350_AUX_DAC   0x30 /* Auxiliary DAC data */
+
+#define ADIS16350_ERROR_ACTIVE			(1<<14)
+#define ADIS16350_NEW_DATA			(1<<15)
+
+/* MSC_CTRL */
+#define ADIS16350_MSC_CTRL_MEM_TEST		(1<<11)
+#define ADIS16350_MSC_CTRL_INT_SELF_TEST	(1<<10)
+#define ADIS16350_MSC_CTRL_NEG_SELF_TEST	(1<<9)
+#define ADIS16350_MSC_CTRL_POS_SELF_TEST	(1<<8)
+#define ADIS16350_MSC_CTRL_GYRO_BIAS		(1<<7)
+#define ADIS16350_MSC_CTRL_ACCL_ALIGN		(1<<6)
+#define ADIS16350_MSC_CTRL_DATA_RDY_EN		(1<<2)
+#define ADIS16350_MSC_CTRL_DATA_RDY_POL_HIGH	(1<<1)
+#define ADIS16350_MSC_CTRL_DATA_RDY_DIO2	(1<<0)
+
+/* SMPL_PRD */
+#define ADIS16350_SMPL_PRD_TIME_BASE	(1<<7)
+#define ADIS16350_SMPL_PRD_DIV_MASK	0x7F
+
+/* DIAG_STAT */
+#define ADIS16350_DIAG_STAT_ZACCL_FAIL	(1<<15)
+#define ADIS16350_DIAG_STAT_YACCL_FAIL	(1<<14)
+#define ADIS16350_DIAG_STAT_XACCL_FAIL	(1<<13)
+#define ADIS16350_DIAG_STAT_XGYRO_FAIL	(1<<12)
+#define ADIS16350_DIAG_STAT_YGYRO_FAIL	(1<<11)
+#define ADIS16350_DIAG_STAT_ZGYRO_FAIL	(1<<10)
+#define ADIS16350_DIAG_STAT_ALARM2	(1<<9)
+#define ADIS16350_DIAG_STAT_ALARM1	(1<<8)
+#define ADIS16350_DIAG_STAT_FLASH_CHK	(1<<6)
+#define ADIS16350_DIAG_STAT_SELF_TEST	(1<<5)
+#define ADIS16350_DIAG_STAT_OVERFLOW	(1<<4)
+#define ADIS16350_DIAG_STAT_SPI_FAIL	(1<<3)
+#define ADIS16350_DIAG_STAT_FLASH_UPT	(1<<2)
+#define ADIS16350_DIAG_STAT_POWER_HIGH	(1<<1)
+#define ADIS16350_DIAG_STAT_POWER_LOW	(1<<0)
+
+/* GLOB_CMD */
+#define ADIS16350_GLOB_CMD_SW_RESET	(1<<7)
+#define ADIS16350_GLOB_CMD_P_AUTO_NULL	(1<<4)
+#define ADIS16350_GLOB_CMD_FLASH_UPD	(1<<3)
+#define ADIS16350_GLOB_CMD_DAC_LATCH	(1<<2)
+#define ADIS16350_GLOB_CMD_FAC_CALIB	(1<<1)
+#define ADIS16350_GLOB_CMD_AUTO_NULL	(1<<0)
+
+/* SLP_CNT */
+#define ADIS16350_SLP_CNT_POWER_OFF	(1<<8)
+
+#define ADIS16350_MAX_TX 24
+#define ADIS16350_MAX_RX 24
+
+#define ADIS16350_SPI_SLOW	(u32)(300 * 1000)
+#define ADIS16350_SPI_BURST	(u32)(1000 * 1000)
+#define ADIS16350_SPI_FAST	(u32)(2000 * 1000)
+
+/**
+ * struct adis16350_state - device instance specific data
+ * @us:			actual spi_device
+ * @work_trigger_to_ring: bh for triggered event handling
+ * @work_cont_thresh: CLEAN
+ * @inter:		used to check if new interrupt has been triggered
+ * @last_timestamp:	passing timestamp from th to bh of interrupt handler
+ * @indio_dev:		industrial I/O device structure
+ * @trig:		data ready trigger registered with iio
+ * @tx:			transmit buffer
+ * @rx:			recieve buffer
+ * @buf_lock:		mutex to protect tx and rx
+ **/
+struct adis16350_state {
+	struct spi_device		*us;
+	struct work_struct		work_trigger_to_ring;
+	struct iio_work_cont		work_cont_data_rdy;
+	s64				last_timestamp;
+	struct iio_dev			*indio_dev;
+	struct iio_trigger		*trig;
+	u8				*tx;
+	u8				*rx;
+	struct mutex			buf_lock;
+};
+
+int adis16350_set_irq(struct device *dev, bool enable);
+
+#ifdef CONFIG_IIO_RING_BUFFER
+
+enum adis16350_scan {
+	ADIS16350_SCAN_SUPPLY,
+	ADIS16350_SCAN_GYRO_X,
+	ADIS16350_SCAN_GYRO_Y,
+	ADIS16350_SCAN_GYRO_Z,
+	ADIS16350_SCAN_ACC_X,
+	ADIS16350_SCAN_ACC_Y,
+	ADIS16350_SCAN_ACC_Z,
+	ADIS16350_SCAN_TEMP_X,
+	ADIS16350_SCAN_TEMP_Y,
+	ADIS16350_SCAN_TEMP_Z,
+	ADIS16350_SCAN_ADC_0
+};
+
+void adis16350_remove_trigger(struct iio_dev *indio_dev);
+int adis16350_probe_trigger(struct iio_dev *indio_dev);
+
+ssize_t adis16350_read_data_from_ring(struct device *dev,
+				      struct device_attribute *attr,
+				      char *buf);
+
+
+int adis16350_configure_ring(struct iio_dev *indio_dev);
+void adis16350_unconfigure_ring(struct iio_dev *indio_dev);
+
+int adis16350_initialize_ring(struct iio_ring_buffer *ring);
+void adis16350_uninitialize_ring(struct iio_ring_buffer *ring);
+#else /* CONFIG_IIO_RING_BUFFER */
+
+static inline void adis16350_remove_trigger(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16350_probe_trigger(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline ssize_t
+adis16350_read_data_from_ring(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	return 0;
+}
+
+static int adis16350_configure_ring(struct iio_dev *indio_dev)
+{
+	return 0;
+}
+
+static inline void adis16350_unconfigure_ring(struct iio_dev *indio_dev)
+{
+}
+
+static inline int adis16350_initialize_ring(struct iio_ring_buffer *ring)
+{
+	return 0;
+}
+
+static inline void adis16350_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+}
+
+#endif /* CONFIG_IIO_RING_BUFFER */
+#endif /* SPI_ADIS16350_H_ */