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#ifndef _ADE7754_H
#define _ADE7754_H
#define ADE7754_AENERGY 0x01
#define ADE7754_RAENERGY 0x02
#define ADE7754_LAENERGY 0x03
#define ADE7754_VAENERGY 0x04
#define ADE7754_RVAENERGY 0x05
#define ADE7754_LVAENERGY 0x06
#define ADE7754_PERIOD 0x07
#define ADE7754_TEMP 0x08
#define ADE7754_WFORM 0x09
#define ADE7754_OPMODE 0x0A
#define ADE7754_MMODE 0x0B
#define ADE7754_WAVMODE 0x0C
#define ADE7754_WATMODE 0x0D
#define ADE7754_VAMODE 0x0E
#define ADE7754_IRQEN 0x0F
#define ADE7754_STATUS 0x10
#define ADE7754_RSTATUS 0x11
#define ADE7754_ZXTOUT 0x12
#define ADE7754_LINCYC 0x13
#define ADE7754_SAGCYC 0x14
#define ADE7754_SAGLVL 0x15
#define ADE7754_VPEAK 0x16
#define ADE7754_IPEAK 0x17
#define ADE7754_GAIN 0x18
#define ADE7754_AWG 0x19
#define ADE7754_BWG 0x1A
#define ADE7754_CWG 0x1B
#define ADE7754_AVAG 0x1C
#define ADE7754_BVAG 0x1D
#define ADE7754_CVAG 0x1E
#define ADE7754_APHCAL 0x1F
#define ADE7754_BPHCAL 0x20
#define ADE7754_CPHCAL 0x21
#define ADE7754_AAPOS 0x22
#define ADE7754_BAPOS 0x23
#define ADE7754_CAPOS 0x24
#define ADE7754_CFNUM 0x25
#define ADE7754_CFDEN 0x26
#define ADE7754_WDIV 0x27
#define ADE7754_VADIV 0x28
#define ADE7754_AIRMS 0x29
#define ADE7754_BIRMS 0x2A
#define ADE7754_CIRMS 0x2B
#define ADE7754_AVRMS 0x2C
#define ADE7754_BVRMS 0x2D
#define ADE7754_CVRMS 0x2E
#define ADE7754_AIRMSOS 0x2F
#define ADE7754_BIRMSOS 0x30
#define ADE7754_CIRMSOS 0x31
#define ADE7754_AVRMSOS 0x32
#define ADE7754_BVRMSOS 0x33
#define ADE7754_CVRMSOS 0x34
#define ADE7754_AAPGAIN 0x35
#define ADE7754_BAPGAIN 0x36
#define ADE7754_CAPGAIN 0x37
#define ADE7754_AVGAIN 0x38
#define ADE7754_BVGAIN 0x39
#define ADE7754_CVGAIN 0x3A
#define ADE7754_CHKSUM 0x3E
#define ADE7754_VERSION 0x3F
#define ADE7754_READ_REG(a) a
#define ADE7754_WRITE_REG(a) ((a) | 0x80)
#define ADE7754_MAX_TX 4
#define ADE7754_MAX_RX 4
#define ADE7754_STARTUP_DELAY 1
#define ADE7754_SPI_SLOW (u32)(300 * 1000)
#define ADE7754_SPI_BURST (u32)(1000 * 1000)
#define ADE7754_SPI_FAST (u32)(2000 * 1000)
#define DRIVER_NAME "ade7754"
/**
* struct ade7754_state - device instance specific data
* @us: actual spi_device
* @work_trigger_to_ring: bh for triggered event handling
* @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 ade7754_state {
struct spi_device *us;
struct work_struct work_trigger_to_ring;
s64 last_timestamp;
struct iio_dev *indio_dev;
struct iio_trigger *trig;
u8 *tx;
u8 *rx;
struct mutex buf_lock;
};
#if defined(CONFIG_IIO_RING_BUFFER) && defined(THIS_HAS_RING_BUFFER_SUPPORT)
/* At the moment triggers are only used for ring buffer
* filling. This may change!
*/
enum ade7754_scan {
ADE7754_SCAN_PHA_V,
ADE7754_SCAN_PHB_V,
ADE7754_SCAN_PHC_V,
ADE7754_SCAN_PHA_I,
ADE7754_SCAN_PHB_I,
ADE7754_SCAN_PHC_I,
};
void ade7754_remove_trigger(struct iio_dev *indio_dev);
int ade7754_probe_trigger(struct iio_dev *indio_dev);
ssize_t ade7754_read_data_from_ring(struct device *dev,
struct device_attribute *attr,
char *buf);
int ade7754_configure_ring(struct iio_dev *indio_dev);
void ade7754_unconfigure_ring(struct iio_dev *indio_dev);
int ade7754_initialize_ring(struct iio_ring_buffer *ring);
void ade7754_uninitialize_ring(struct iio_ring_buffer *ring);
#else /* CONFIG_IIO_RING_BUFFER */
static inline void ade7754_remove_trigger(struct iio_dev *indio_dev)
{
}
static inline int ade7754_probe_trigger(struct iio_dev *indio_dev)
{
return 0;
}
static inline ssize_t
ade7754_read_data_from_ring(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return 0;
}
static int ade7754_configure_ring(struct iio_dev *indio_dev)
{
return 0;
}
static inline void ade7754_unconfigure_ring(struct iio_dev *indio_dev)
{
}
static inline int ade7754_initialize_ring(struct iio_ring_buffer *ring)
{
return 0;
}
static inline void ade7754_uninitialize_ring(struct iio_ring_buffer *ring)
{
}
#endif /* CONFIG_IIO_RING_BUFFER */
#endif
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