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Barry Songgregkh
Barry Song
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gregkh
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staging: iio: meter: new driver for ADE7758 devices
Signed-off-by: Barry Song <[email protected]> Signed-off-by: Michael Hennerich <[email protected]> Acked-by: Jonathan Cameron <[email protected]> Signed-off-by: Mike Frysinger <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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‎drivers/staging/iio/meter/Kconfig

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@@ -16,3 +16,12 @@ config ADE7754
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help
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Say yes here to build support for Analog Devices ADE7754 Polyphase
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Multifunction Energy Metering IC Driver.
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config ADE7758
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tristate "Analog Devices ADE7758 Poly Phase Multifunction Energy Metering IC Driver"
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depends on SPI
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select IIO_TRIGGER if IIO_RING_BUFFER
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select IIO_SW_RING if IIO_RING_BUFFER
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help
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Say yes here to build support for Analog Devices ADE7758 Polyphase
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Multifunction Energy Metering IC with Per Phase Information Driver.

‎drivers/staging/iio/meter/Makefile

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obj-$(CONFIG_ADE7753) += ade7753.o
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obj-$(CONFIG_ADE7754) += ade7754.o
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ade7758-y := ade7758_core.o
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ade7758-$(CONFIG_IIO_RING_BUFFER) += ade7758_ring.o ade7758_trigger.o
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obj-$(CONFIG_ADE7758) += ade7758.o

‎drivers/staging/iio/meter/ade7758.h

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#ifndef _ADE7758_H
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#define _ADE7758_H
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#define ADE7758_AWATTHR 0x01
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#define ADE7758_BWATTHR 0x02
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#define ADE7758_CWATTHR 0x03
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#define ADE7758_AVARHR 0x04
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#define ADE7758_BVARHR 0x05
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#define ADE7758_CVARHR 0x06
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#define ADE7758_AVAHR 0x07
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#define ADE7758_BVAHR 0x08
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#define ADE7758_CVAHR 0x09
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#define ADE7758_AIRMS 0x0A
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#define ADE7758_BIRMS 0x0B
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#define ADE7758_CIRMS 0x0C
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#define ADE7758_AVRMS 0x0D
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#define ADE7758_BVRMS 0x0E
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#define ADE7758_CVRMS 0x0F
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#define ADE7758_FREQ 0x10
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#define ADE7758_TEMP 0x11
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#define ADE7758_WFORM 0x12
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#define ADE7758_OPMODE 0x13
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#define ADE7758_MMODE 0x14
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#define ADE7758_WAVMODE 0x15
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#define ADE7758_COMPMODE 0x16
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#define ADE7758_LCYCMODE 0x17
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#define ADE7758_MASK 0x18
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#define ADE7758_STATUS 0x19
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#define ADE7758_RSTATUS 0x1A
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#define ADE7758_ZXTOUT 0x1B
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#define ADE7758_LINECYC 0x1C
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#define ADE7758_SAGCYC 0x1D
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#define ADE7758_SAGLVL 0x1E
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#define ADE7758_VPINTLVL 0x1F
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#define ADE7758_IPINTLVL 0x20
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#define ADE7758_VPEAK 0x21
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#define ADE7758_IPEAK 0x22
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#define ADE7758_GAIN 0x23
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#define ADE7758_AVRMSGAIN 0x24
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#define ADE7758_BVRMSGAIN 0x25
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#define ADE7758_CVRMSGAIN 0x26
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#define ADE7758_AIGAIN 0x27
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#define ADE7758_BIGAIN 0x28
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#define ADE7758_CIGAIN 0x29
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#define ADE7758_AWG 0x2A
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#define ADE7758_BWG 0x2B
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#define ADE7758_CWG 0x2C
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#define ADE7758_AVARG 0x2D
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#define ADE7758_BVARG 0x2E
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#define ADE7758_CVARG 0x2F
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#define ADE7758_AVAG 0x30
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#define ADE7758_BVAG 0x31
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#define ADE7758_CVAG 0x32
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#define ADE7758_AVRMSOS 0x33
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#define ADE7758_BVRMSOS 0x34
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#define ADE7758_CVRMSOS 0x35
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#define ADE7758_AIRMSOS 0x36
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#define ADE7758_BIRMSOS 0x37
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#define ADE7758_CIRMSOS 0x38
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#define ADE7758_AWAITOS 0x39
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#define ADE7758_BWAITOS 0x3A
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#define ADE7758_CWAITOS 0x3B
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#define ADE7758_AVAROS 0x3C
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#define ADE7758_BVAROS 0x3D
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#define ADE7758_CVAROS 0x3E
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#define ADE7758_APHCAL 0x3F
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#define ADE7758_BPHCAL 0x40
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#define ADE7758_CPHCAL 0x41
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#define ADE7758_WDIV 0x42
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#define ADE7758_VADIV 0x44
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#define ADE7758_VARDIV 0x43
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#define ADE7758_APCFNUM 0x45
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#define ADE7758_APCFDEN 0x46
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#define ADE7758_VARCFNUM 0x47
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#define ADE7758_VARCFDEN 0x48
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#define ADE7758_CHKSUM 0x7E
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#define ADE7758_VERSION 0x7F
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#define ADE7758_READ_REG(a) a
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#define ADE7758_WRITE_REG(a) ((a) | 0x80)
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#define ADE7758_MAX_TX 8
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#define ADE7758_MAX_RX 4
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#define ADE7758_STARTUP_DELAY 1
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#define ADE7758_SPI_SLOW (u32)(300 * 1000)
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#define ADE7758_SPI_BURST (u32)(1000 * 1000)
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#define ADE7758_SPI_FAST (u32)(2000 * 1000)
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#define DRIVER_NAME "ade7758"
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/**
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* struct ade7758_state - device instance specific data
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* @us: actual spi_device
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* @work_trigger_to_ring: bh for triggered event handling
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* @inter: used to check if new interrupt has been triggered
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* @last_timestamp: passing timestamp from th to bh of interrupt handler
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* @indio_dev: industrial I/O device structure
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* @trig: data ready trigger registered with iio
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* @tx: transmit buffer
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* @rx: recieve buffer
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* @buf_lock: mutex to protect tx and rx
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**/
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struct ade7758_state {
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struct spi_device *us;
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struct work_struct work_trigger_to_ring;
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s64 last_timestamp;
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struct iio_dev *indio_dev;
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struct iio_trigger *trig;
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u8 *tx;
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u8 *rx;
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struct mutex buf_lock;
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};
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#ifdef CONFIG_IIO_RING_BUFFER
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/* At the moment triggers are only used for ring buffer
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* filling. This may change!
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*/
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enum ade7758_scan {
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ADE7758_SCAN_WFORM,
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};
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void ade7758_remove_trigger(struct iio_dev *indio_dev);
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int ade7758_probe_trigger(struct iio_dev *indio_dev);
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ssize_t ade7758_read_data_from_ring(struct device *dev,
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struct device_attribute *attr,
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char *buf);
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int ade7758_configure_ring(struct iio_dev *indio_dev);
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void ade7758_unconfigure_ring(struct iio_dev *indio_dev);
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int ade7758_initialize_ring(struct iio_ring_buffer *ring);
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void ade7758_uninitialize_ring(struct iio_ring_buffer *ring);
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int ade7758_set_irq(struct device *dev, bool enable);
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#else /* CONFIG_IIO_RING_BUFFER */
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static inline void ade7758_remove_trigger(struct iio_dev *indio_dev)
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{
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}
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static inline int ade7758_probe_trigger(struct iio_dev *indio_dev)
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{
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return 0;
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}
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static inline ssize_t
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ade7758_read_data_from_ring(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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return 0;
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}
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static int ade7758_configure_ring(struct iio_dev *indio_dev)
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{
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return 0;
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}
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static inline void ade7758_unconfigure_ring(struct iio_dev *indio_dev)
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{
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}
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static inline int ade7758_initialize_ring(struct iio_ring_buffer *ring)
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{
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return 0;
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}
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static inline void ade7758_uninitialize_ring(struct iio_ring_buffer *ring)
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{
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}
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#endif /* CONFIG_IIO_RING_BUFFER */
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#endif

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