--- /dev/null
+/*
+ * ADE7758 Poly Phase Multifunction Energy Metering IC driver
+ *
+ * Copyright 2010-2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2.
+ */
+
+#ifndef _ADE7758_H
+#define _ADE7758_H
+
+#define ADE7758_AWATTHR 0x01
+#define ADE7758_BWATTHR 0x02
+#define ADE7758_CWATTHR 0x03
+#define ADE7758_AVARHR 0x04
+#define ADE7758_BVARHR 0x05
+#define ADE7758_CVARHR 0x06
+#define ADE7758_AVAHR 0x07
+#define ADE7758_BVAHR 0x08
+#define ADE7758_CVAHR 0x09
+#define ADE7758_AIRMS 0x0A
+#define ADE7758_BIRMS 0x0B
+#define ADE7758_CIRMS 0x0C
+#define ADE7758_AVRMS 0x0D
+#define ADE7758_BVRMS 0x0E
+#define ADE7758_CVRMS 0x0F
+#define ADE7758_FREQ 0x10
+#define ADE7758_TEMP 0x11
+#define ADE7758_WFORM 0x12
+#define ADE7758_OPMODE 0x13
+#define ADE7758_MMODE 0x14
+#define ADE7758_WAVMODE 0x15
+#define ADE7758_COMPMODE 0x16
+#define ADE7758_LCYCMODE 0x17
+#define ADE7758_MASK 0x18
+#define ADE7758_STATUS 0x19
+#define ADE7758_RSTATUS 0x1A
+#define ADE7758_ZXTOUT 0x1B
+#define ADE7758_LINECYC 0x1C
+#define ADE7758_SAGCYC 0x1D
+#define ADE7758_SAGLVL 0x1E
+#define ADE7758_VPINTLVL 0x1F
+#define ADE7758_IPINTLVL 0x20
+#define ADE7758_VPEAK 0x21
+#define ADE7758_IPEAK 0x22
+#define ADE7758_GAIN 0x23
+#define ADE7758_AVRMSGAIN 0x24
+#define ADE7758_BVRMSGAIN 0x25
+#define ADE7758_CVRMSGAIN 0x26
+#define ADE7758_AIGAIN 0x27
+#define ADE7758_BIGAIN 0x28
+#define ADE7758_CIGAIN 0x29
+#define ADE7758_AWG 0x2A
+#define ADE7758_BWG 0x2B
+#define ADE7758_CWG 0x2C
+#define ADE7758_AVARG 0x2D
+#define ADE7758_BVARG 0x2E
+#define ADE7758_CVARG 0x2F
+#define ADE7758_AVAG 0x30
+#define ADE7758_BVAG 0x31
+#define ADE7758_CVAG 0x32
+#define ADE7758_AVRMSOS 0x33
+#define ADE7758_BVRMSOS 0x34
+#define ADE7758_CVRMSOS 0x35
+#define ADE7758_AIRMSOS 0x36
+#define ADE7758_BIRMSOS 0x37
+#define ADE7758_CIRMSOS 0x38
+#define ADE7758_AWAITOS 0x39
+#define ADE7758_BWAITOS 0x3A
+#define ADE7758_CWAITOS 0x3B
+#define ADE7758_AVAROS 0x3C
+#define ADE7758_BVAROS 0x3D
+#define ADE7758_CVAROS 0x3E
+#define ADE7758_APHCAL 0x3F
+#define ADE7758_BPHCAL 0x40
+#define ADE7758_CPHCAL 0x41
+#define ADE7758_WDIV 0x42
+#define ADE7758_VADIV 0x44
+#define ADE7758_VARDIV 0x43
+#define ADE7758_APCFNUM 0x45
+#define ADE7758_APCFDEN 0x46
+#define ADE7758_VARCFNUM 0x47
+#define ADE7758_VARCFDEN 0x48
+#define ADE7758_CHKSUM 0x7E
+#define ADE7758_VERSION 0x7F
+
+#define ADE7758_READ_REG(a) a
+#define ADE7758_WRITE_REG(a) ((a) | 0x80)
+
+#define ADE7758_MAX_TX 8
+#define ADE7758_MAX_RX 4
+#define ADE7758_STARTUP_DELAY 1
+
+#define AD7758_NUM_WAVSEL 5
+#define AD7758_NUM_PHSEL 3
+#define AD7758_NUM_WAVESRC (AD7758_NUM_WAVSEL * AD7758_NUM_PHSEL)
+
+#define AD7758_PHASE_A 0
+#define AD7758_PHASE_B 1
+#define AD7758_PHASE_C 2
+#define AD7758_CURRENT 0
+#define AD7758_VOLTAGE 1
+#define AD7758_ACT_PWR 2
+#define AD7758_REACT_PWR 3
+#define AD7758_APP_PWR 4
+#define AD7758_WT(p, w) (((w) << 2) | (p))
+
+/**
+ * struct ade7758_state - device instance specific data
+ * @us: actual spi_device
+ * @trig: data ready trigger registered with iio
+ * @tx: transmit buffer
+ * @rx: receive buffer
+ * @buf_lock: mutex to protect tx and rx
+ **/
+struct ade7758_state {
+ struct spi_device *us;
+ struct iio_trigger *trig;
+ u8 *tx;
+ u8 *rx;
+ struct mutex buf_lock;
+ struct spi_transfer ring_xfer[4];
+ struct spi_message ring_msg;
+ /*
+ * DMA (thus cache coherency maintenance) requires the
+ * transfer buffers to live in their own cache lines.
+ */
+ unsigned char rx_buf[8] ____cacheline_aligned;
+ unsigned char tx_buf[8];
+
+};
+#ifdef CONFIG_IIO_BUFFER
+/* At the moment triggers are only used for ring buffer
+ * filling. This may change!
+ */
+
+void ade7758_remove_trigger(struct iio_dev *indio_dev);
+int ade7758_probe_trigger(struct iio_dev *indio_dev);
+
+ssize_t ade7758_read_data_from_ring(struct device *dev,
+ struct device_attribute *attr,
+ char *buf);
+
+
+int ade7758_configure_ring(struct iio_dev *indio_dev);
+void ade7758_unconfigure_ring(struct iio_dev *indio_dev);
+
+int ade7758_set_irq(struct device *dev, bool enable);
+
+int ade7758_spi_write_reg_8(struct device *dev,
+ u8 reg_address, u8 val);
+int ade7758_spi_read_reg_8(struct device *dev,
+ u8 reg_address, u8 *val);
+
+#else /* CONFIG_IIO_BUFFER */
+
+static inline void ade7758_remove_trigger(struct iio_dev *indio_dev)
+{
+}
+static inline int ade7758_probe_trigger(struct iio_dev *indio_dev)
+{
+ return 0;
+}
+
+static int ade7758_configure_ring(struct iio_dev *indio_dev)
+{
+ return 0;
+}
+static inline void ade7758_unconfigure_ring(struct iio_dev *indio_dev)
+{
+}
+static inline int ade7758_initialize_ring(struct iio_ring_buffer *ring)
+{
+ return 0;
+}
+static inline void ade7758_uninitialize_ring(struct iio_dev *indio_dev)
+{
+}
+#endif /* CONFIG_IIO_BUFFER */
+
+#endif
Code Review / kvmfornfv.git / blobdiff