[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / iio / imu / adis16300.h

#ifndef SPI_ADIS16300_H_
#define SPI_ADIS16300_H_

#define ADIS16300_STARTUP_DELAY	220 /* ms */

#define ADIS16300_READ_REG(a)    a
#define ADIS16300_WRITE_REG(a) ((a) | 0x80)

#define ADIS16300_FLASH_CNT  0x00 /* Flash memory write count */
#define ADIS16300_SUPPLY_OUT 0x02 /* Power supply measurement */
#define ADIS16300_XGYRO_OUT 0x04 /* X-axis gyroscope output */
#define ADIS16300_XACCL_OUT 0x0A /* X-axis accelerometer output */
#define ADIS16300_YACCL_OUT 0x0C /* Y-axis accelerometer output */
#define ADIS16300_ZACCL_OUT 0x0E /* Z-axis accelerometer output */
#define ADIS16300_TEMP_OUT  0x10 /* Temperature output */
#define ADIS16300_XINCLI_OUT 0x12 /* X-axis inclinometer output measurement */
#define ADIS16300_YINCLI_OUT 0x14 /* Y-axis inclinometer output measurement */
#define ADIS16300_AUX_ADC   0x16 /* Auxiliary ADC measurement */

/* Calibration parameters */
#define ADIS16300_XGYRO_OFF 0x1A /* X-axis gyroscope bias offset factor */
#define ADIS16300_XACCL_OFF 0x20 /* X-axis acceleration bias offset factor */
#define ADIS16300_YACCL_OFF 0x22 /* Y-axis acceleration bias offset factor */
#define ADIS16300_ZACCL_OFF 0x24 /* Z-axis acceleration bias offset factor */

#define ADIS16300_GPIO_CTRL 0x32 /* Auxiliary digital input/output control */
#define ADIS16300_MSC_CTRL  0x34 /* Miscellaneous control */
#define ADIS16300_SMPL_PRD  0x36 /* Internal sample period (rate) control */
#define ADIS16300_SENS_AVG  0x38 /* Dynamic range and digital filter control */
#define ADIS16300_SLP_CNT   0x3A /* Sleep mode control */
#define ADIS16300_DIAG_STAT 0x3C /* System status */

/* Alarm functions */
#define ADIS16300_GLOB_CMD  0x3E /* System command */
#define ADIS16300_ALM_MAG1  0x26 /* Alarm 1 amplitude threshold */
#define ADIS16300_ALM_MAG2  0x28 /* Alarm 2 amplitude threshold */
#define ADIS16300_ALM_SMPL1 0x2A /* Alarm 1 sample size */
#define ADIS16300_ALM_SMPL2 0x2C /* Alarm 2 sample size */
#define ADIS16300_ALM_CTRL  0x2E /* Alarm control */
#define ADIS16300_AUX_DAC   0x30 /* Auxiliary DAC data */

#define ADIS16300_ERROR_ACTIVE			(1<<14)
#define ADIS16300_NEW_DATA			(1<<15)

/* MSC_CTRL */
#define ADIS16300_MSC_CTRL_MEM_TEST		(1<<11)
#define ADIS16300_MSC_CTRL_INT_SELF_TEST	(1<<10)
#define ADIS16300_MSC_CTRL_NEG_SELF_TEST	(1<<9)
#define ADIS16300_MSC_CTRL_POS_SELF_TEST	(1<<8)
#define ADIS16300_MSC_CTRL_GYRO_BIAS		(1<<7)
#define ADIS16300_MSC_CTRL_ACCL_ALIGN		(1<<6)
#define ADIS16300_MSC_CTRL_DATA_RDY_EN		(1<<2)
#define ADIS16300_MSC_CTRL_DATA_RDY_POL_HIGH	(1<<1)
#define ADIS16300_MSC_CTRL_DATA_RDY_DIO2	(1<<0)

/* SMPL_PRD */
#define ADIS16300_SMPL_PRD_TIME_BASE	(1<<7)
#define ADIS16300_SMPL_PRD_DIV_MASK	0x7F

/* DIAG_STAT */
#define ADIS16300_DIAG_STAT_ZACCL_FAIL	(1<<15)
#define ADIS16300_DIAG_STAT_YACCL_FAIL	(1<<14)
#define ADIS16300_DIAG_STAT_XACCL_FAIL	(1<<13)
#define ADIS16300_DIAG_STAT_XGYRO_FAIL	(1<<10)
#define ADIS16300_DIAG_STAT_ALARM2	(1<<9)
#define ADIS16300_DIAG_STAT_ALARM1	(1<<8)
#define ADIS16300_DIAG_STAT_FLASH_CHK	(1<<6)
#define ADIS16300_DIAG_STAT_SELF_TEST	(1<<5)
#define ADIS16300_DIAG_STAT_OVERFLOW	(1<<4)
#define ADIS16300_DIAG_STAT_SPI_FAIL	(1<<3)
#define ADIS16300_DIAG_STAT_FLASH_UPT	(1<<2)
#define ADIS16300_DIAG_STAT_POWER_HIGH	(1<<1)
#define ADIS16300_DIAG_STAT_POWER_LOW	(1<<0)

/* GLOB_CMD */
#define ADIS16300_GLOB_CMD_SW_RESET	(1<<7)
#define ADIS16300_GLOB_CMD_P_AUTO_NULL	(1<<4)
#define ADIS16300_GLOB_CMD_FLASH_UPD	(1<<3)
#define ADIS16300_GLOB_CMD_DAC_LATCH	(1<<2)
#define ADIS16300_GLOB_CMD_FAC_CALIB	(1<<1)
#define ADIS16300_GLOB_CMD_AUTO_NULL	(1<<0)

/* SLP_CNT */
#define ADIS16300_SLP_CNT_POWER_OFF	(1<<8)

#define ADIS16300_MAX_TX 18
#define ADIS16300_MAX_RX 18

#define ADIS16300_SPI_SLOW	(u32)(300 * 1000)
#define ADIS16300_SPI_BURST	(u32)(1000 * 1000)
#define ADIS16300_SPI_FAST	(u32)(2000 * 1000)

/**
 * struct adis16300_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 adis16300_state {
	struct spi_device		*us;
	struct work_struct		work_trigger_to_ring;
	struct iio_work_cont		work_cont_thresh;
	s64				last_timestamp;
	struct iio_dev			*indio_dev;
	struct iio_trigger		*trig;
	u8				*tx;
	u8				*rx;
	struct mutex			buf_lock;
};

int adis16300_set_irq(struct device *dev, bool enable);

#ifdef CONFIG_IIO_RING_BUFFER
/* At the moment triggers are only used for ring buffer
 * filling. This may change!
 */

enum adis16300_scan {
	ADIS16300_SCAN_SUPPLY,
	ADIS16300_SCAN_GYRO_X,
	ADIS16300_SCAN_ACC_X,
	ADIS16300_SCAN_ACC_Y,
	ADIS16300_SCAN_ACC_Z,
	ADIS16300_SCAN_TEMP,
	ADIS16300_SCAN_ADC_0,
	ADIS16300_SCAN_INCLI_X,
	ADIS16300_SCAN_INCLI_Y,
};

void adis16300_remove_trigger(struct iio_dev *indio_dev);
int adis16300_probe_trigger(struct iio_dev *indio_dev);

ssize_t adis16300_read_data_from_ring(struct device *dev,
				      struct device_attribute *attr,
				      char *buf);


int adis16300_configure_ring(struct iio_dev *indio_dev);
void adis16300_unconfigure_ring(struct iio_dev *indio_dev);

int adis16300_initialize_ring(struct iio_ring_buffer *ring);
void adis16300_uninitialize_ring(struct iio_ring_buffer *ring);
#else /* CONFIG_IIO_RING_BUFFER */

static inline void adis16300_remove_trigger(struct iio_dev *indio_dev)
{
}

static inline int adis16300_probe_trigger(struct iio_dev *indio_dev)
{
	return 0;
}

static inline ssize_t
adis16300_read_data_from_ring(struct device *dev,
			      struct device_attribute *attr,
			      char *buf)
{
	return 0;
}

static int adis16300_configure_ring(struct iio_dev *indio_dev)
{
	return 0;
}

static inline void adis16300_unconfigure_ring(struct iio_dev *indio_dev)
{
}

static inline int adis16300_initialize_ring(struct iio_ring_buffer *ring)
{
	return 0;
}

static inline void adis16300_uninitialize_ring(struct iio_ring_buffer *ring)
{
}

#endif /* CONFIG_IIO_RING_BUFFER */
#endif /* SPI_ADIS16300_H_ */
Commit	Line	Data
1e3864e6 BS	1	#ifndef SPI_ADIS16300_H_
	2	#define SPI_ADIS16300_H_
	3
	4	#define ADIS16300_STARTUP_DELAY 220 /* ms */
	5
	6	#define ADIS16300_READ_REG(a) a
	7	#define ADIS16300_WRITE_REG(a) ((a) \| 0x80)
	8
	9	#define ADIS16300_FLASH_CNT 0x00 /* Flash memory write count */
	10	#define ADIS16300_SUPPLY_OUT 0x02 /* Power supply measurement */
	11	#define ADIS16300_XGYRO_OUT 0x04 /* X-axis gyroscope output */
	12	#define ADIS16300_XACCL_OUT 0x0A /* X-axis accelerometer output */
	13	#define ADIS16300_YACCL_OUT 0x0C /* Y-axis accelerometer output */
	14	#define ADIS16300_ZACCL_OUT 0x0E /* Z-axis accelerometer output */
	15	#define ADIS16300_TEMP_OUT 0x10 /* Temperature output */
	16	#define ADIS16300_XINCLI_OUT 0x12 /* X-axis inclinometer output measurement */
	17	#define ADIS16300_YINCLI_OUT 0x14 /* Y-axis inclinometer output measurement */
	18	#define ADIS16300_AUX_ADC 0x16 /* Auxiliary ADC measurement */
	19
	20	/* Calibration parameters */
	21	#define ADIS16300_XGYRO_OFF 0x1A /* X-axis gyroscope bias offset factor */
	22	#define ADIS16300_XACCL_OFF 0x20 /* X-axis acceleration bias offset factor */
	23	#define ADIS16300_YACCL_OFF 0x22 /* Y-axis acceleration bias offset factor */
	24	#define ADIS16300_ZACCL_OFF 0x24 /* Z-axis acceleration bias offset factor */
	25
	26	#define ADIS16300_GPIO_CTRL 0x32 /* Auxiliary digital input/output control */
	27	#define ADIS16300_MSC_CTRL 0x34 /* Miscellaneous control */
	28	#define ADIS16300_SMPL_PRD 0x36 /* Internal sample period (rate) control */
	29	#define ADIS16300_SENS_AVG 0x38 /* Dynamic range and digital filter control */
	30	#define ADIS16300_SLP_CNT 0x3A /* Sleep mode control */
	31	#define ADIS16300_DIAG_STAT 0x3C /* System status */
	32
	33	/* Alarm functions */
	34	#define ADIS16300_GLOB_CMD 0x3E /* System command */
	35	#define ADIS16300_ALM_MAG1 0x26 /* Alarm 1 amplitude threshold */
	36	#define ADIS16300_ALM_MAG2 0x28 /* Alarm 2 amplitude threshold */
	37	#define ADIS16300_ALM_SMPL1 0x2A /* Alarm 1 sample size */
	38	#define ADIS16300_ALM_SMPL2 0x2C /* Alarm 2 sample size */
	39	#define ADIS16300_ALM_CTRL 0x2E /* Alarm control */
	40	#define ADIS16300_AUX_DAC 0x30 /* Auxiliary DAC data */
	41
	42	#define ADIS16300_ERROR_ACTIVE (1<<14)
	43	#define ADIS16300_NEW_DATA (1<<15)
	44
	45	/* MSC_CTRL */
	46	#define ADIS16300_MSC_CTRL_MEM_TEST (1<<11)
	47	#define ADIS16300_MSC_CTRL_INT_SELF_TEST (1<<10)
	48	#define ADIS16300_MSC_CTRL_NEG_SELF_TEST (1<<9)
	49	#define ADIS16300_MSC_CTRL_POS_SELF_TEST (1<<8)
	50	#define ADIS16300_MSC_CTRL_GYRO_BIAS (1<<7)
	51	#define ADIS16300_MSC_CTRL_ACCL_ALIGN (1<<6)
	52	#define ADIS16300_MSC_CTRL_DATA_RDY_EN (1<<2)
	53	#define ADIS16300_MSC_CTRL_DATA_RDY_POL_HIGH (1<<1)
	54	#define ADIS16300_MSC_CTRL_DATA_RDY_DIO2 (1<<0)
	55
	56	/* SMPL_PRD */
	57	#define ADIS16300_SMPL_PRD_TIME_BASE (1<<7)
	58	#define ADIS16300_SMPL_PRD_DIV_MASK 0x7F
	59
	60	/* DIAG_STAT */
	61	#define ADIS16300_DIAG_STAT_ZACCL_FAIL (1<<15)
	62	#define ADIS16300_DIAG_STAT_YACCL_FAIL (1<<14)
	63	#define ADIS16300_DIAG_STAT_XACCL_FAIL (1<<13)
	64	#define ADIS16300_DIAG_STAT_XGYRO_FAIL (1<<10)
65	#define ADIS16300_DIAG_STAT_ALARM2 (1<<9)
66	#define ADIS16300_DIAG_STAT_ALARM1 (1<<8)
67	#define ADIS16300_DIAG_STAT_FLASH_CHK (1<<6)
68	#define ADIS16300_DIAG_STAT_SELF_TEST (1<<5)
69	#define ADIS16300_DIAG_STAT_OVERFLOW (1<<4)
70	#define ADIS16300_DIAG_STAT_SPI_FAIL (1<<3)
71	#define ADIS16300_DIAG_STAT_FLASH_UPT (1<<2)
72	#define ADIS16300_DIAG_STAT_POWER_HIGH (1<<1)
73	#define ADIS16300_DIAG_STAT_POWER_LOW (1<<0)
74
75	/* GLOB_CMD */
76	#define ADIS16300_GLOB_CMD_SW_RESET (1<<7)
77	#define ADIS16300_GLOB_CMD_P_AUTO_NULL (1<<4)
78	#define ADIS16300_GLOB_CMD_FLASH_UPD (1<<3)
79	#define ADIS16300_GLOB_CMD_DAC_LATCH (1<<2)
80	#define ADIS16300_GLOB_CMD_FAC_CALIB (1<<1)
81	#define ADIS16300_GLOB_CMD_AUTO_NULL (1<<0)
82
83	/* SLP_CNT */
84	#define ADIS16300_SLP_CNT_POWER_OFF (1<<8)
85
86	#define ADIS16300_MAX_TX 18
87	#define ADIS16300_MAX_RX 18
88
89	#define ADIS16300_SPI_SLOW (u32)(300 * 1000)
90	#define ADIS16300_SPI_BURST (u32)(1000 * 1000)
91	#define ADIS16300_SPI_FAST (u32)(2000 * 1000)
92
93	/**
94	* struct adis16300_state - device instance specific data
95	* @us: actual spi_device
96	* @work_trigger_to_ring: bh for triggered event handling
97	* @work_cont_thresh: CLEAN
98	* @inter: used to check if new interrupt has been triggered
99	* @last_timestamp: passing timestamp from th to bh of interrupt handler
100	* @indio_dev: industrial I/O device structure
101	* @trig: data ready trigger registered with iio
102	* @tx: transmit buffer
103	* @rx: recieve buffer
104	* @buf_lock: mutex to protect tx and rx
105	**/
106	struct adis16300_state {
107	struct spi_device *us;
108	struct work_struct work_trigger_to_ring;
109	struct iio_work_cont work_cont_thresh;
110	s64 last_timestamp;
111	struct iio_dev *indio_dev;
112	struct iio_trigger *trig;
113	u8 *tx;
114	u8 *rx;
115	struct mutex buf_lock;
116	};
117
1e3864e6 BS	118	int adis16300_set_irq(struct device *dev, bool enable);
1e3864e6 BS	119
1e3864e6 BS	120	#ifdef CONFIG_IIO_RING_BUFFER
	121	/* At the moment triggers are only used for ring buffer
	122	* filling. This may change!
	123	*/
	124
	125	enum adis16300_scan {
	126	ADIS16300_SCAN_SUPPLY,
	127	ADIS16300_SCAN_GYRO_X,
	128	ADIS16300_SCAN_ACC_X,
	129	ADIS16300_SCAN_ACC_Y,
	130	ADIS16300_SCAN_ACC_Z,
	131	ADIS16300_SCAN_TEMP,
	132	ADIS16300_SCAN_ADC_0,
	133	ADIS16300_SCAN_INCLI_X,
	134	ADIS16300_SCAN_INCLI_Y,
	135	};
	136
	137	void adis16300_remove_trigger(struct iio_dev *indio_dev);
	138	int adis16300_probe_trigger(struct iio_dev *indio_dev);
	139
	140	ssize_t adis16300_read_data_from_ring(struct device *dev,
	141	struct device_attribute *attr,
	142	char *buf);
	143
	144
	145	int adis16300_configure_ring(struct iio_dev *indio_dev);
	146	void adis16300_unconfigure_ring(struct iio_dev *indio_dev);
	147
	148	int adis16300_initialize_ring(struct iio_ring_buffer *ring);
	149	void adis16300_uninitialize_ring(struct iio_ring_buffer *ring);
	150	#else /* CONFIG_IIO_RING_BUFFER */
	151
	152	static inline void adis16300_remove_trigger(struct iio_dev *indio_dev)
	153	{
	154	}
	155
	156	static inline int adis16300_probe_trigger(struct iio_dev *indio_dev)
	157	{
	158	return 0;
	159	}
	160
	161	static inline ssize_t
	162	adis16300_read_data_from_ring(struct device *dev,
	163	struct device_attribute *attr,
	164	char *buf)
	165	{
	166	return 0;
	167	}
	168
	169	static int adis16300_configure_ring(struct iio_dev *indio_dev)
	170	{
	171	return 0;
	172	}
	173
	174	static inline void adis16300_unconfigure_ring(struct iio_dev *indio_dev)
	175	{
	176	}
	177
	178	static inline int adis16300_initialize_ring(struct iio_ring_buffer *ring)
	179	{
	180	return 0;
	181	}
	182
	183	static inline void adis16300_uninitialize_ring(struct iio_ring_buffer *ring)
184	{
185	}
186
187	#endif /* CONFIG_IIO_RING_BUFFER */
188	#endif /* SPI_ADIS16300_H_ */