| #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 |