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#ifndef _ADE7759_H
#define _ADE7759_H
#define ADE7759_WAVEFORM 0x01
#define ADE7759_AENERGY 0x02
#define ADE7759_RSTENERGY 0x03
#define ADE7759_STATUS 0x04
#define ADE7759_RSTSTATUS 0x05
#define ADE7759_MODE 0x06
#define ADE7759_CFDEN 0x07
#define ADE7759_CH1OS 0x08
#define ADE7759_CH2OS 0x09
#define ADE7759_GAIN 0x0A
#define ADE7759_APGAIN 0x0B
#define ADE7759_PHCAL 0x0C
#define ADE7759_APOS 0x0D
#define ADE7759_ZXTOUT 0x0E
#define ADE7759_SAGCYC 0x0F
#define ADE7759_IRQEN 0x10
#define ADE7759_SAGLVL 0x11
#define ADE7759_TEMP 0x12
#define ADE7759_LINECYC 0x13
#define ADE7759_LENERGY 0x14
#define ADE7759_CFNUM 0x15
#define ADE7759_CHKSUM 0x1E
#define ADE7759_DIEREV 0x1F
#define ADE7759_READ_REG(a) a
#define ADE7759_WRITE_REG(a) ((a) | 0x80)
#define ADE7759_MAX_TX 6
#define ADE7759_MAX_RX 6
#define ADE7759_STARTUP_DELAY 1
#define ADE7759_SPI_SLOW (u32)(300 * 1000)
#define ADE7759_SPI_BURST (u32)(1000 * 1000)
#define ADE7759_SPI_FAST (u32)(2000 * 1000)
#define DRIVER_NAME "ade7759"
/**
* struct ade7759_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 ade7759_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 ade7759_scan {
ADE7759_SCAN_ACTIVE_POWER,
ADE7759_SCAN_CH1_CH2,
ADE7759_SCAN_CH1,
ADE7759_SCAN_CH2,
};
void ade7759_remove_trigger(struct iio_dev *indio_dev);
int ade7759_probe_trigger(struct iio_dev *indio_dev);
ssize_t ade7759_read_data_from_ring(struct device *dev,
struct device_attribute *attr,
char *buf);
int ade7759_configure_ring(struct iio_dev *indio_dev);
void ade7759_unconfigure_ring(struct iio_dev *indio_dev);
int ade7759_initialize_ring(struct iio_ring_buffer *ring);
void ade7759_uninitialize_ring(struct iio_ring_buffer *ring);
#else /* CONFIG_IIO_RING_BUFFER */
static inline void ade7759_remove_trigger(struct iio_dev *indio_dev)
{
}
static inline int ade7759_probe_trigger(struct iio_dev *indio_dev)
{
return 0;
}
static inline ssize_t
ade7759_read_data_from_ring(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return 0;
}
static int ade7759_configure_ring(struct iio_dev *indio_dev)
{
return 0;
}
static inline void ade7759_unconfigure_ring(struct iio_dev *indio_dev)
{
}
static inline int ade7759_initialize_ring(struct iio_ring_buffer *ring)
{
return 0;
}
static inline void ade7759_uninitialize_ring(struct iio_ring_buffer *ring)
{
}
#endif /* CONFIG_IIO_RING_BUFFER */
#endif
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