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-rw-r--r--drivers/staging/iio/Kconfig2
-rw-r--r--drivers/staging/iio/Makefile3
-rw-r--r--drivers/staging/iio/meter/Kconfig11
-rw-r--r--drivers/staging/iio/meter/Makefile5
-rw-r--r--drivers/staging/iio/meter/ade7753.c730
-rw-r--r--drivers/staging/iio/meter/ade7753.h140
-rw-r--r--drivers/staging/iio/meter/meter.h396
7 files changed, 1285 insertions, 2 deletions
diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig
index 5e5bc475f299..ffe8912bd7ab 100644
--- a/drivers/staging/iio/Kconfig
+++ b/drivers/staging/iio/Kconfig
@@ -49,7 +49,7 @@ source "drivers/staging/iio/gyro/Kconfig"
source "drivers/staging/iio/imu/Kconfig"
source "drivers/staging/iio/light/Kconfig"
source "drivers/staging/iio/magnetometer/Kconfig"
-
+source "drivers/staging/iio/meter/Kconfig"
source "drivers/staging/iio/trigger/Kconfig"
endif # IIO
diff --git a/drivers/staging/iio/Makefile b/drivers/staging/iio/Makefile
index 766a5d1a8373..5b449a15e5aa 100644
--- a/drivers/staging/iio/Makefile
+++ b/drivers/staging/iio/Makefile
@@ -17,5 +17,6 @@ obj-y += dds/
obj-y += gyro/
obj-y += imu/
obj-y += light/
-obj-y += trigger/
obj-y += magnetometer/
+obj-y += meter/
+obj-y += trigger/
diff --git a/drivers/staging/iio/meter/Kconfig b/drivers/staging/iio/meter/Kconfig
new file mode 100644
index 000000000000..0c09c39b63ec
--- /dev/null
+++ b/drivers/staging/iio/meter/Kconfig
@@ -0,0 +1,11 @@
+#
+# IIO meter drivers configuration
+#
+comment "Active energy metering IC"
+
+config ADE7753
+ tristate "Analog Devices ADE7753/6 Single-Phase Multifunction Metering IC Driver"
+ depends on SPI
+ help
+ Say yes here to build support for Analog Devices ADE7753 Single-Phase Multifunction
+ Metering IC with di/dt Sensor Interface.
diff --git a/drivers/staging/iio/meter/Makefile b/drivers/staging/iio/meter/Makefile
new file mode 100644
index 000000000000..b4eac385848d
--- /dev/null
+++ b/drivers/staging/iio/meter/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for metering ic drivers
+#
+
+obj-$(CONFIG_ADE7753) += ade7753.o
diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c
new file mode 100644
index 000000000000..e72afbd2b841
--- /dev/null
+++ b/drivers/staging/iio/meter/ade7753.c
@@ -0,0 +1,730 @@
+/*
+ * ADE7753 Single-Phase Multifunction Metering IC with di/dt Sensor Interface Driver
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/slab.h>
+#include <linux/sysfs.h>
+#include <linux/list.h>
+
+#include "../iio.h"
+#include "../sysfs.h"
+#include "meter.h"
+#include "ade7753.h"
+
+int ade7753_spi_write_reg_8(struct device *dev,
+ u8 reg_address,
+ u8 val)
+{
+ int ret;
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct ade7753_state *st = iio_dev_get_devdata(indio_dev);
+
+ mutex_lock(&st->buf_lock);
+ st->tx[0] = ADE7753_WRITE_REG(reg_address);
+ st->tx[1] = val;
+
+ ret = spi_write(st->us, st->tx, 2);
+ mutex_unlock(&st->buf_lock);
+
+ return ret;
+}
+
+static int ade7753_spi_write_reg_16(struct device *dev,
+ u8 reg_address,
+ u16 value)
+{
+ int ret;
+ struct spi_message msg;
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct ade7753_state *st = iio_dev_get_devdata(indio_dev);
+ struct spi_transfer xfers[] = {
+ {
+ .tx_buf = st->tx,
+ .bits_per_word = 8,
+ .len = 3,
+ }
+ };
+
+ mutex_lock(&st->buf_lock);
+ st->tx[0] = ADE7753_WRITE_REG(reg_address);
+ st->tx[1] = (value >> 8) & 0xFF;
+ st->tx[2] = value & 0xFF;
+
+ spi_message_init(&msg);
+ spi_message_add_tail(xfers, &msg);
+ ret = spi_sync(st->us, &msg);
+ mutex_unlock(&st->buf_lock);
+
+ return ret;
+}
+
+static int ade7753_spi_read_reg_8(struct device *dev,
+ u8 reg_address,
+ u8 *val)
+{
+ struct spi_message msg;
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct ade7753_state *st = iio_dev_get_devdata(indio_dev);
+ int ret;
+ struct spi_transfer xfers[] = {
+ {
+ .tx_buf = st->tx,
+ .rx_buf = st->rx,
+ .bits_per_word = 8,
+ .len = 2,
+ },
+ };
+
+ mutex_lock(&st->buf_lock);
+ st->tx[0] = ADE7753_READ_REG(reg_address);
+ st->tx[1] = 0;
+
+ spi_message_init(&msg);
+ spi_message_add_tail(xfers, &msg);
+ ret = spi_sync(st->us, &msg);
+ if (ret) {
+ dev_err(&st->us->dev, "problem when reading 8 bit register 0x%02X",
+ reg_address);
+ goto error_ret;
+ }
+ *val = st->rx[1];
+
+error_ret:
+ mutex_unlock(&st->buf_lock);
+ return ret;
+}
+
+static int ade7753_spi_read_reg_16(struct device *dev,
+ u8 reg_address,
+ u16 *val)
+{
+ struct spi_message msg;
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct ade7753_state *st = iio_dev_get_devdata(indio_dev);
+ int ret;
+ struct spi_transfer xfers[] = {
+ {
+ .tx_buf = st->tx,
+ .rx_buf = st->rx,
+ .bits_per_word = 8,
+ .len = 3,
+ },
+ };
+
+ mutex_lock(&st->buf_lock);
+ st->tx[0] = ADE7753_READ_REG(reg_address);
+ st->tx[1] = 0;
+ st->tx[2] = 0;
+
+ spi_message_init(&msg);
+ spi_message_add_tail(xfers, &msg);
+ ret = spi_sync(st->us, &msg);
+ if (ret) {
+ dev_err(&st->us->dev, "problem when reading 16 bit register 0x%02X",
+ reg_address);
+ goto error_ret;
+ }
+ *val = (st->rx[1] << 8) | st->rx[2];
+
+error_ret:
+ mutex_unlock(&st->buf_lock);
+ return ret;
+}
+
+static int ade7753_spi_read_reg_24(struct device *dev,
+ u8 reg_address,
+ u32 *val)
+{
+ struct spi_message msg;
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct ade7753_state *st = iio_dev_get_devdata(indio_dev);
+ int ret;
+ struct spi_transfer xfers[] = {
+ {
+ .tx_buf = st->tx,
+ .rx_buf = st->rx,
+ .bits_per_word = 8,
+ .len = 4,
+ },
+ };
+
+ mutex_lock(&st->buf_lock);
+ st->tx[0] = ADE7753_READ_REG(reg_address);
+ st->tx[1] = 0;
+ st->tx[2] = 0;
+ st->tx[3] = 0;
+
+ spi_message_init(&msg);
+ spi_message_add_tail(xfers, &msg);
+ ret = spi_sync(st->us, &msg);
+ if (ret) {
+ dev_err(&st->us->dev, "problem when reading 24 bit register 0x%02X",
+ reg_address);
+ goto error_ret;
+ }
+ *val = (st->rx[1] << 16) | (st->rx[2] << 8) | st->rx[3];
+
+error_ret:
+ mutex_unlock(&st->buf_lock);
+ return ret;
+}
+
+static ssize_t ade7753_read_8bit(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int ret;
+ u8 val = 0;
+ struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+ ret = ade7753_spi_read_reg_8(dev, this_attr->address, &val);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%u\n", val);
+}
+
+static ssize_t ade7753_read_16bit(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int ret;
+ u16 val = 0;
+ struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+ ret = ade7753_spi_read_reg_16(dev, this_attr->address, &val);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%u\n", val);
+}
+
+static ssize_t ade7753_read_24bit(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int ret;
+ u32 val = 0;
+ struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+
+ ret = ade7753_spi_read_reg_24(dev, this_attr->address, &val);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%u\n", val & 0xFFFFFF);
+}
+
+static ssize_t ade7753_write_8bit(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t len)
+{
+ struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+ int ret;
+ long val;
+
+ ret = strict_strtol(buf, 10, &val);
+ if (ret)
+ goto error_ret;
+ ret = ade7753_spi_write_reg_8(dev, this_attr->address, val);
+
+error_ret:
+ return ret ? ret : len;
+}
+
+static ssize_t ade7753_write_16bit(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t len)
+{
+ struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
+ int ret;
+ long val;
+
+ ret = strict_strtol(buf, 10, &val);
+ if (ret)
+ goto error_ret;
+ ret = ade7753_spi_write_reg_16(dev, this_attr->address, val);
+
+error_ret:
+ return ret ? ret : len;
+}
+
+static int ade7753_reset(struct device *dev)
+{
+ int ret;
+ u16 val;
+ ade7753_spi_read_reg_16(dev,
+ ADE7753_MODE,
+ &val);
+ val |= 1 << 6; /* Software Chip Reset */
+ ret = ade7753_spi_write_reg_16(dev,
+ ADE7753_MODE,
+ val);
+
+ return ret;
+}
+
+static ssize_t ade7753_write_reset(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t len)
+{
+ if (len < 1)
+ return -1;
+ switch (buf[0]) {
+ case '1':
+ case 'y':
+ case 'Y':
+ return ade7753_reset(dev);
+ }
+ return -1;
+}
+
+static IIO_DEV_ATTR_AENERGY(ade7753_read_24bit, ADE7753_AENERGY);
+static IIO_DEV_ATTR_LAENERGY(ade7753_read_24bit, ADE7753_LAENERGY);
+static IIO_DEV_ATTR_VAENERGY(ade7753_read_24bit, ADE7753_VAENERGY);
+static IIO_DEV_ATTR_LVAENERGY(ade7753_read_24bit, ADE7753_LVAENERGY);
+static IIO_DEV_ATTR_CFDEN(S_IWUSR | S_IRUGO,
+ ade7753_read_16bit,
+ ade7753_write_16bit,
+ ADE7753_CFDEN);
+static IIO_DEV_ATTR_CFNUM(S_IWUSR | S_IRUGO,
+ ade7753_read_8bit,
+ ade7753_write_8bit,
+ ADE7753_CFNUM);
+static IIO_DEV_ATTR_CHKSUM(ade7753_read_8bit, ADE7753_CHKSUM);
+static IIO_DEV_ATTR_PHCAL(S_IWUSR | S_IRUGO,
+ ade7753_read_16bit,
+ ade7753_write_16bit,
+ ADE7753_PHCAL);
+static IIO_DEV_ATTR_APOS(S_IWUSR | S_IRUGO,
+ ade7753_read_16bit,
+ ade7753_write_16bit,
+ ADE7753_APOS);
+static IIO_DEV_ATTR_SAGCYC(S_IWUSR | S_IRUGO,
+ ade7753_read_8bit,
+ ade7753_write_8bit,
+ ADE7753_SAGCYC);
+static IIO_DEV_ATTR_SAGLVL(S_IWUSR | S_IRUGO,
+ ade7753_read_8bit,
+ ade7753_write_8bit,
+ ADE7753_SAGLVL);
+static IIO_DEV_ATTR_LINECYC(S_IWUSR | S_IRUGO,
+ ade7753_read_8bit,
+ ade7753_write_8bit,
+ ADE7753_LINECYC);
+static IIO_DEV_ATTR_WDIV(S_IWUSR | S_IRUGO,
+ ade7753_read_8bit,
+ ade7753_write_8bit,
+ ADE7753_WDIV);
+static IIO_DEV_ATTR_IRMS(S_IWUSR | S_IRUGO,
+ ade7753_read_24bit,
+ NULL,
+ ADE7753_IRMS);
+static IIO_DEV_ATTR_VRMS(S_IRUGO,
+ ade7753_read_24bit,
+ NULL,
+ ADE7753_VRMS);
+static IIO_DEV_ATTR_IRMSOS(S_IWUSR | S_IRUGO,
+ ade7753_read_16bit,
+ ade7753_write_16bit,
+ ADE7753_IRMSOS);
+static IIO_DEV_ATTR_VRMSOS(S_IWUSR | S_IRUGO,
+ ade7753_read_16bit,
+ ade7753_write_16bit,
+ ADE7753_VRMSOS);
+static IIO_DEV_ATTR_WGAIN(S_IWUSR | S_IRUGO,
+ ade7753_read_16bit,
+ ade7753_write_16bit,
+ ADE7753_WGAIN);
+static IIO_DEV_ATTR_VAGAIN(S_IWUSR | S_IRUGO,
+ ade7753_read_16bit,
+ ade7753_write_16bit,
+ ADE7753_VAGAIN);
+static IIO_DEV_ATTR_PGA_GAIN(S_IWUSR | S_IRUGO,
+ ade7753_read_16bit,
+ ade7753_write_16bit,
+ ADE7753_GAIN);
+static IIO_DEV_ATTR_IPKLVL(S_IWUSR | S_IRUGO,
+ ade7753_read_8bit,
+ ade7753_write_8bit,
+ ADE7753_IPKLVL);
+static IIO_DEV_ATTR_VPKLVL(S_IWUSR | S_IRUGO,
+ ade7753_read_8bit,
+ ade7753_write_8bit,
+ ADE7753_VPKLVL);
+static IIO_DEV_ATTR_IPEAK(S_IRUGO,
+ ade7753_read_24bit,
+ NULL,
+ ADE7753_IPEAK);
+static IIO_DEV_ATTR_VPEAK(S_IRUGO,
+ ade7753_read_24bit,
+ NULL,
+ ADE7753_VPEAK);
+static IIO_DEV_ATTR_VPERIOD(S_IRUGO,
+ ade7753_read_16bit,
+ NULL,
+ ADE7753_PERIOD);
+static IIO_DEV_ATTR_CH_OFF(1, S_IWUSR | S_IRUGO,
+ ade7753_read_8bit,
+ ade7753_write_8bit,
+ ADE7753_CH1OS);
+static IIO_DEV_ATTR_CH_OFF(2, S_IWUSR | S_IRUGO,
+ ade7753_read_8bit,
+ ade7753_write_8bit,
+ ADE7753_CH2OS);
+
+static int ade7753_set_irq(struct device *dev, bool enable)
+{
+ int ret;
+ u8 irqen;
+ ret = ade7753_spi_read_reg_8(dev, ADE7753_IRQEN, &irqen);
+ if (ret)
+ goto error_ret;
+
+ if (enable)
+ irqen |= 1 << 3; /* Enables an interrupt when a data is
+ present in the waveform register */
+ else
+ irqen &= ~(1 << 3);
+
+ ret = ade7753_spi_write_reg_8(dev, ADE7753_IRQEN, irqen);
+ if (ret)
+ goto error_ret;
+
+error_ret:
+ return ret;
+}
+
+/* Power down the device */
+int ade7753_stop_device(struct device *dev)
+{
+ int ret;
+ u16 val;
+ ade7753_spi_read_reg_16(dev,
+ ADE7753_MODE,
+ &val);
+ val |= 1 << 4; /* AD converters can be turned off */
+ ret = ade7753_spi_write_reg_16(dev,
+ ADE7753_MODE,
+ val);
+
+ return ret;
+}
+
+static int ade7753_initial_setup(struct ade7753_state *st)
+{
+ int ret;
+ struct device *dev = &st->indio_dev->dev;
+
+ /* use low spi speed for init */
+ st->us->mode = SPI_MODE_3;
+ spi_setup(st->us);
+
+ /* Disable IRQ */
+ ret = ade7753_set_irq(dev, false);
+ if (ret) {
+ dev_err(dev, "disable irq failed");
+ goto err_ret;
+ }
+
+ ade7753_reset(dev);
+ msleep(ADE7753_STARTUP_DELAY);
+
+err_ret:
+ return ret;
+}
+
+static ssize_t ade7753_read_frequency(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int ret, len = 0;
+ u8 t;
+ int sps;
+ ret = ade7753_spi_read_reg_8(dev,
+ ADE7753_MODE,
+ &t);
+ if (ret)
+ return ret;
+
+ t = (t >> 11) & 0x3;
+ sps = 27900 / (1 + t);
+
+ len = sprintf(buf, "%d SPS\n", sps);
+ return len;
+}
+
+static ssize_t ade7753_write_frequency(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t len)
+{
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct ade7753_state *st = iio_dev_get_devdata(indio_dev);
+ unsigned long val;
+ int ret;
+ u16 reg, t;
+
+ ret = strict_strtol(buf, 10, &val);
+ if (ret)
+ return ret;
+
+ mutex_lock(&indio_dev->mlock);
+
+ t = (27900 / val);
+ if (t > 0)
+ t--;
+
+ if (t > 1)
+ st->us->max_speed_hz = ADE7753_SPI_SLOW;
+ else
+ st->us->max_speed_hz = ADE7753_SPI_FAST;
+
+ ret = ade7753_spi_read_reg_16(dev,
+ ADE7753_MODE,
+ &reg);
+ if (ret)
+ goto out;
+
+ reg &= ~(3 << 11);
+ reg |= t << 11;
+
+ ret = ade7753_spi_write_reg_16(dev,
+ ADE7753_MODE,
+ reg);
+
+out:
+ mutex_unlock(&indio_dev->mlock);
+
+ return ret ? ret : len;
+}
+static IIO_DEV_ATTR_TEMP_RAW(ade7753_read_8bit);
+static IIO_CONST_ATTR(temp_offset, "-25 C");
+static IIO_CONST_ATTR(temp_scale, "0.67 C");
+
+static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
+ ade7753_read_frequency,
+ ade7753_write_frequency);
+
+static IIO_DEV_ATTR_RESET(ade7753_write_reset);
+
+static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("27900 14000 7000 3500");
+
+static IIO_CONST_ATTR(name, "ade7753");
+
+static struct attribute *ade7753_event_attributes[] = {
+ NULL
+};
+
+static struct attribute_group ade7753_event_attribute_group = {
+ .attrs = ade7753_event_attributes,
+};
+
+static struct attribute *ade7753_attributes[] = {
+ &iio_dev_attr_temp_raw.dev_attr.attr,
+ &iio_const_attr_temp_offset.dev_attr.attr,
+ &iio_const_attr_temp_scale.dev_attr.attr,
+ &iio_dev_attr_sampling_frequency.dev_attr.attr,
+ &iio_const_attr_sampling_frequency_available.dev_attr.attr,
+ &iio_dev_attr_reset.dev_attr.attr,
+ &iio_const_attr_name.dev_attr.attr,
+ &iio_dev_attr_phcal.dev_attr.attr,
+ &iio_dev_attr_cfden.dev_attr.attr,
+ &iio_dev_attr_aenergy.dev_attr.attr,
+ &iio_dev_attr_laenergy.dev_attr.attr,
+ &iio_dev_attr_vaenergy.dev_attr.attr,
+ &iio_dev_attr_lvaenergy.dev_attr.attr,
+ &iio_dev_attr_cfnum.dev_attr.attr,
+ &iio_dev_attr_apos.dev_attr.attr,
+ &iio_dev_attr_sagcyc.dev_attr.attr,
+ &iio_dev_attr_saglvl.dev_attr.attr,
+ &iio_dev_attr_linecyc.dev_attr.attr,
+ &iio_dev_attr_chksum.dev_attr.attr,
+ &iio_dev_attr_pga_gain.dev_attr.attr,
+ &iio_dev_attr_wgain.dev_attr.attr,
+ &iio_dev_attr_choff_1.dev_attr.attr,
+ &iio_dev_attr_choff_2.dev_attr.attr,
+ &iio_dev_attr_wdiv.dev_attr.attr,
+ &iio_dev_attr_irms.dev_attr.attr,
+ &iio_dev_attr_vrms.dev_attr.attr,
+ &iio_dev_attr_irmsos.dev_attr.attr,
+ &iio_dev_attr_vrmsos.dev_attr.attr,
+ &iio_dev_attr_vagain.dev_attr.attr,
+ &iio_dev_attr_ipklvl.dev_attr.attr,
+ &iio_dev_attr_vpklvl.dev_attr.attr,
+ &iio_dev_attr_ipeak.dev_attr.attr,
+ &iio_dev_attr_vpeak.dev_attr.attr,
+ &iio_dev_attr_vperiod.dev_attr.attr,
+ NULL,
+};
+
+static const struct attribute_group ade7753_attribute_group = {
+ .attrs = ade7753_attributes,
+};
+
+static int __devinit ade7753_probe(struct spi_device *spi)
+{
+ int ret, regdone = 0;
+ struct ade7753_state *st = kzalloc(sizeof *st, GFP_KERNEL);
+ if (!st) {
+ ret = -ENOMEM;
+ goto error_ret;
+ }
+ /* this is only used for removal purposes */
+ spi_set_drvdata(spi, st);
+
+ /* Allocate the comms buffers */
+ st->rx = kzalloc(sizeof(*st->rx)*ADE7753_MAX_RX, GFP_KERNEL);
+ if (st->rx == NULL) {
+ ret = -ENOMEM;
+ goto error_free_st;
+ }
+ st->tx = kzalloc(sizeof(*st->tx)*ADE7753_MAX_TX, GFP_KERNEL);
+ if (st->tx == NULL) {
+ ret = -ENOMEM;
+ goto error_free_rx;
+ }
+ st->us = spi;
+ mutex_init(&st->buf_lock);
+ /* setup the industrialio driver allocated elements */
+ st->indio_dev = iio_allocate_device();
+ if (st->indio_dev == NULL) {
+ ret = -ENOMEM;
+ goto error_free_tx;
+ }
+
+ st->indio_dev->dev.parent = &spi->dev;
+ st->indio_dev->num_interrupt_lines = 1;
+ st->indio_dev->event_attrs = &ade7753_event_attribute_group;
+ st->indio_dev->attrs = &ade7753_attribute_group;
+ st->indio_dev->dev_data = (void *)(st);
+ st->indio_dev->driver_module = THIS_MODULE;
+ st->indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = ade7753_configure_ring(st->indio_dev);
+ if (ret)
+ goto error_free_dev;
+
+ ret = iio_device_register(st->indio_dev);
+ if (ret)
+ goto error_unreg_ring_funcs;
+ regdone = 1;
+
+ ret = ade7753_initialize_ring(st->indio_dev->ring);
+ if (ret) {
+ printk(KERN_ERR "failed to initialize the ring\n");
+ goto error_unreg_ring_funcs;
+ }
+
+ if (spi->irq) {
+ ret = iio_register_interrupt_line(spi->irq,
+ st->indio_dev,
+ 0,
+ IRQF_TRIGGER_FALLING,
+ "ade7753");
+ if (ret)
+ goto error_uninitialize_ring;
+
+ ret = ade7753_probe_trigger(st->indio_dev);
+ if (ret)
+ goto error_unregister_line;
+ }
+
+ /* Get the device into a sane initial state */
+ ret = ade7753_initial_setup(st);
+ if (ret)
+ goto error_remove_trigger;
+ return 0;
+
+error_remove_trigger:
+ if (st->indio_dev->modes & INDIO_RING_TRIGGERED)
+ ade7753_remove_trigger(st->indio_dev);
+error_unregister_line:
+ if (st->indio_dev->modes & INDIO_RING_TRIGGERED)
+ iio_unregister_interrupt_line(st->indio_dev, 0);
+error_uninitialize_ring:
+ ade7753_uninitialize_ring(st->indio_dev->ring);
+error_unreg_ring_funcs:
+ ade7753_unconfigure_ring(st->indio_dev);
+error_free_dev:
+ if (regdone)
+ iio_device_unregister(st->indio_dev);
+ else
+ iio_free_device(st->indio_dev);
+error_free_tx:
+ kfree(st->tx);
+error_free_rx:
+ kfree(st->rx);
+error_free_st:
+ kfree(st);
+error_ret:
+ return ret;
+}
+
+/* fixme, confirm ordering in this function */
+static int ade7753_remove(struct spi_device *spi)
+{
+ int ret;
+ struct ade7753_state *st = spi_get_drvdata(spi);
+ struct iio_dev *indio_dev = st->indio_dev;
+
+ ret = ade7753_stop_device(&(indio_dev->dev));
+ if (ret)
+ goto err_ret;
+
+ flush_scheduled_work();
+
+ ade7753_remove_trigger(indio_dev);
+ if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0)
+ iio_unregister_interrupt_line(indio_dev, 0);
+
+ ade7753_uninitialize_ring(indio_dev->ring);
+ ade7753_unconfigure_ring(indio_dev);
+ iio_device_unregister(indio_dev);
+ kfree(st->tx);
+ kfree(st->rx);
+ kfree(st);
+
+ return 0;
+
+err_ret:
+ return ret;
+}
+
+static struct spi_driver ade7753_driver = {
+ .driver = {
+ .name = "ade7753",
+ .owner = THIS_MODULE,
+ },
+ .probe = ade7753_probe,
+ .remove = __devexit_p(ade7753_remove),
+};
+
+static __init int ade7753_init(void)
+{
+ return spi_register_driver(&ade7753_driver);
+}
+module_init(ade7753_init);
+
+static __exit void ade7753_exit(void)
+{
+ spi_unregister_driver(&ade7753_driver);
+}
+module_exit(ade7753_exit);
+
+MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
+MODULE_DESCRIPTION("Analog Devices ADE7753/6 Single-Phase Multifunction Metering IC Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/iio/meter/ade7753.h b/drivers/staging/iio/meter/ade7753.h
new file mode 100644
index 000000000000..a3722b8c90fa
--- /dev/null
+++ b/drivers/staging/iio/meter/ade7753.h
@@ -0,0 +1,140 @@
+#ifndef _ADE7753_H
+#define _ADE7753_H
+
+#define ADE7753_WAVEFORM 0x01
+#define ADE7753_AENERGY 0x02
+#define ADE7753_RAENERGY 0x03
+#define ADE7753_LAENERGY 0x04
+#define ADE7753_VAENERGY 0x05
+#define ADE7753_RVAENERGY 0x06
+#define ADE7753_LVAENERGY 0x07
+#define ADE7753_LVARENERGY 0x08
+#define ADE7753_MODE 0x09
+#define ADE7753_IRQEN 0x0A
+#define ADE7753_STATUS 0x0B
+#define ADE7753_RSTSTATUS 0x0C
+#define ADE7753_CH1OS 0x0D
+#define ADE7753_CH2OS 0x0E
+#define ADE7753_GAIN 0x0F
+#define ADE7753_PHCAL 0x10
+#define ADE7753_APOS 0x11
+#define ADE7753_WGAIN 0x12
+#define ADE7753_WDIV 0x13
+#define ADE7753_CFNUM 0x14
+#define ADE7753_CFDEN 0x15
+#define ADE7753_IRMS 0x16
+#define ADE7753_VRMS 0x17
+#define ADE7753_IRMSOS 0x18
+#define ADE7753_VRMSOS 0x19
+#define ADE7753_VAGAIN 0x1A
+#define ADE7753_VADIV 0x1B
+#define ADE7753_LINECYC 0x1C
+#define ADE7753_ZXTOUT 0x1D
+#define ADE7753_SAGCYC 0x1E
+#define ADE7753_SAGLVL 0x1F
+#define ADE7753_IPKLVL 0x20
+#define ADE7753_VPKLVL 0x21
+#define ADE7753_IPEAK 0x22
+#define ADE7753_RSTIPEAK 0x23
+#define ADE7753_VPEAK 0x24
+#define ADE7753_RSTVPEAK 0x25
+#define ADE7753_TEMP 0x26
+#define ADE7753_PERIOD 0x27
+#define ADE7753_TMODE 0x3D
+#define ADE7753_CHKSUM 0x3E
+#define ADE7753_DIEREV 0x3F
+
+#define ADE7753_READ_REG(a) a
+#define ADE7753_WRITE_REG(a) ((a) | 0x80)
+
+#define ADE7753_MAX_TX 4
+#define ADE7753_MAX_RX 4
+#define ADE7753_STARTUP_DELAY 1
+
+#define ADE7753_SPI_SLOW (u32)(300 * 1000)
+#define ADE7753_SPI_BURST (u32)(1000 * 1000)
+#define ADE7753_SPI_FAST (u32)(2000 * 1000)
+
+#define DRIVER_NAME "ade7753"
+
+/**
+ * struct ade7753_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 ade7753_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 ade7753_scan {
+ ADE7753_SCAN_ACTIVE_POWER,
+ ADE7753_SCAN_CH1,
+ ADE7753_SCAN_CH2,
+};
+
+void ade7753_remove_trigger(struct iio_dev *indio_dev);
+int ade7753_probe_trigger(struct iio_dev *indio_dev);
+
+ssize_t ade7753_read_data_from_ring(struct device *dev,
+ struct device_attribute *attr,
+ char *buf);
+
+
+int ade7753_configure_ring(struct iio_dev *indio_dev);
+void ade7753_unconfigure_ring(struct iio_dev *indio_dev);
+
+int ade7753_initialize_ring(struct iio_ring_buffer *ring);
+void ade7753_uninitialize_ring(struct iio_ring_buffer *ring);
+#else /* CONFIG_IIO_RING_BUFFER */
+
+static inline void ade7753_remove_trigger(struct iio_dev *indio_dev)
+{
+}
+static inline int ade7753_probe_trigger(struct iio_dev *indio_dev)
+{
+ return 0;
+}
+
+static inline ssize_t
+ade7753_read_data_from_ring(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return 0;
+}
+
+static int ade7753_configure_ring(struct iio_dev *indio_dev)
+{
+ return 0;
+}
+static inline void ade7753_unconfigure_ring(struct iio_dev *indio_dev)
+{
+}
+static inline int ade7753_initialize_ring(struct iio_ring_buffer *ring)
+{
+ return 0;
+}
+static inline void ade7753_uninitialize_ring(struct iio_ring_buffer *ring)
+{
+}
+#endif /* CONFIG_IIO_RING_BUFFER */
+
+#endif
diff --git a/drivers/staging/iio/meter/meter.h b/drivers/staging/iio/meter/meter.h
new file mode 100644
index 000000000000..142c50d71fda
--- /dev/null
+++ b/drivers/staging/iio/meter/meter.h
@@ -0,0 +1,396 @@
+#include "../sysfs.h"
+
+/* metering ic types of attribute */
+
+#define IIO_DEV_ATTR_CURRENT_A_OFFSET(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(current_a_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CURRENT_B_OFFSET(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(current_b_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CURRENT_C_OFFSET(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(current_c_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_VOLT_A_OFFSET(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(volt_a_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_VOLT_B_OFFSET(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(volt_b_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_VOLT_C_OFFSET(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(volt_c_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_REACTIVE_POWER_A_OFFSET(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(reactive_power_a_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_REACTIVE_POWER_B_OFFSET(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(reactive_power_b_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_REACTIVE_POWER_C_OFFSET(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(reactive_power_c_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_ACTIVE_POWER_A_OFFSET(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(active_power_a_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_ACTIVE_POWER_B_OFFSET(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(active_power_b_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_ACTIVE_POWER_C_OFFSET(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(active_power_c_offset, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CURRENT_A_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(current_a_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CURRENT_B_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(current_b_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CURRENT_C_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(current_c_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_APPARENT_POWER_A_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(apparent_power_a_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_APPARENT_POWER_B_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(apparent_power_b_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_APPARENT_POWER_C_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(apparent_power_c_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_ACTIVE_POWER_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(active_power_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_ACTIVE_POWER_A_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(active_power_a_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_ACTIVE_POWER_B_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(active_power_b_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_ACTIVE_POWER_C_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(active_power_c_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_REACTIVE_POWER_A_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(reactive_power_a_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_REACTIVE_POWER_B_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(reactive_power_b_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_REACTIVE_POWER_C_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(reactive_power_c_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CURRENT_A(_show, _addr) \
+ IIO_DEVICE_ATTR(current_a, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_CURRENT_B(_show, _addr) \
+ IIO_DEVICE_ATTR(current_b, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_CURRENT_C(_show, _addr) \
+ IIO_DEVICE_ATTR(current_c, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_VOLT_A(_show, _addr) \
+ IIO_DEVICE_ATTR(volt_a, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_VOLT_B(_show, _addr) \
+ IIO_DEVICE_ATTR(volt_b, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_VOLT_C(_show, _addr) \
+ IIO_DEVICE_ATTR(volt_c, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_AENERGY(_show, _addr) \
+ IIO_DEVICE_ATTR(aenergy, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_LENERGY(_show, _addr) \
+ IIO_DEVICE_ATTR(lenergy, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_RAENERGY(_show, _addr) \
+ IIO_DEVICE_ATTR(raenergy, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_LAENERGY(_show, _addr) \
+ IIO_DEVICE_ATTR(laenergy, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_VAENERGY(_show, _addr) \
+ IIO_DEVICE_ATTR(vaenergy, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_LVAENERGY(_show, _addr) \
+ IIO_DEVICE_ATTR(lvaenergy, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_RVAENERGY(_show, _addr) \
+ IIO_DEVICE_ATTR(rvaenergy, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_LVARENERGY(_show, _addr) \
+ IIO_DEVICE_ATTR(lvarenergy, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_CHKSUM(_show, _addr) \
+ IIO_DEVICE_ATTR(chksum, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_ANGLE0(_show, _addr) \
+ IIO_DEVICE_ATTR(angle0, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_ANGLE1(_show, _addr) \
+ IIO_DEVICE_ATTR(angle1, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_ANGLE2(_show, _addr) \
+ IIO_DEVICE_ATTR(angle2, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_AWATTHR(_show, _addr) \
+ IIO_DEVICE_ATTR(awatthr, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_BWATTHR(_show, _addr) \
+ IIO_DEVICE_ATTR(bwatthr, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_CWATTHR(_show, _addr) \
+ IIO_DEVICE_ATTR(cwatthr, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_AFWATTHR(_show, _addr) \
+ IIO_DEVICE_ATTR(afwatthr, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_BFWATTHR(_show, _addr) \
+ IIO_DEVICE_ATTR(bfwatthr, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_CFWATTHR(_show, _addr) \
+ IIO_DEVICE_ATTR(cfwatthr, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_AVARHR(_show, _addr) \
+ IIO_DEVICE_ATTR(avarhr, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_BVARHR(_show, _addr) \
+ IIO_DEVICE_ATTR(bvarhr, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_CVARHR(_show, _addr) \
+ IIO_DEVICE_ATTR(cvarhr, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_AVAHR(_show, _addr) \
+ IIO_DEVICE_ATTR(avahr, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_BVAHR(_show, _addr) \
+ IIO_DEVICE_ATTR(bvahr, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_CVAHR(_show, _addr) \
+ IIO_DEVICE_ATTR(cvahr, S_IRUGO, _show, NULL, _addr)
+
+#define IIO_DEV_ATTR_IOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(ios, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_VOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(vos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_PHCAL(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(phcal, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_APHCAL(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(aphcal, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_BPHCAL(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(bphcal, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CPHCAL(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cphcal, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_APOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(apos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_AAPOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(aapos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_BAPOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(bapos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CAPOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(capos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_AVRMSGAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(avrmsgain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_BVRMSGAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(bvrmsgain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CVRMSGAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cvrmsgain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_AIGAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(aigain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_BIGAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(bigain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CIGAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cigain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_NIGAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(nigain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_AVGAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(avgain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_BVGAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(bvgain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CVGAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cvgain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_WGAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(wgain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_WDIV(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(wdiv, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CFNUM(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cfnum, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CFDEN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cfden, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CF1DEN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cf1den, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CF2DEN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cf2den, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CF3DEN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cf3den, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_IRMS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(irms, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_VRMS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(vrms, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_AIRMS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(airms, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_BIRMS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(birms, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CIRMS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cirms, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_NIRMS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(nirms, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_AVRMS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(avrms, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_BVRMS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(bvrms, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CVRMS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cvrms, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_IRMSOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(irmsos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_VRMSOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(vrmsos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_AIRMSOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(airmsos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_BIRMSOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(birmsos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CIRMSOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cirmsos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_AVRMSOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(avrmsos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_BVRMSOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(bvrmsos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CVRMSOS(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cvrmsos, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_VAGAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(vagain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_PGA_GAIN(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(pga_gain, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_VADIV(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(vadiv, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_LINECYC(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(linecyc, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_SAGCYC(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(sagcyc, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CFCYC(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(cfcyc, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_PEAKCYC(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(peakcyc, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_SAGLVL(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(saglvl, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_IPKLVL(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(ipklvl, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_VPKLVL(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(vpklvl, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_IPEAK(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(ipeak, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_RIPEAK(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(ripeak, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_VPEAK(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(vpeak, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_RVPEAK(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(rvpeak, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_VPERIOD(_mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(vperiod, _mode, _show, _store, _addr)
+
+#define IIO_DEV_ATTR_CH_OFF(_num, _mode, _show, _store, _addr) \
+ IIO_DEVICE_ATTR(choff_##_num, _mode, _show, _store, _addr)
+
+/* active energy register, AENERGY, is more than half full */
+#define IIO_EVENT_ATTR_AENERGY_HALF_FULL(_evlist, _show, _store, _mask) \
+ IIO_EVENT_ATTR_SH(aenergy_half_full, _evlist, _show, _store, _mask)
+
+/* a SAG on the line voltage */
+#define IIO_EVENT_ATTR_LINE_VOLT_SAG(_evlist, _show, _store, _mask) \
+ IIO_EVENT_ATTR_SH(line_volt_sag, _evlist, _show, _store, _mask)
+
+/*
+ * Indicates the end of energy accumulation over an integer number
+ * of half line cycles
+ */
+#define IIO_EVENT_ATTR_CYCEND(_evlist, _show, _store, _mask) \
+ IIO_EVENT_ATTR_SH(cycend, _evlist, _show, _store, _mask)
+
+/* on the rising and falling edge of the the voltage waveform */
+#define IIO_EVENT_ATTR_ZERO_CROSS(_evlist, _show, _store, _mask) \
+ IIO_EVENT_ATTR_SH(zero_cross, _evlist, _show, _store, _mask)
+
+/* the active energy register has overflowed */
+#define IIO_EVENT_ATTR_AENERGY_OVERFLOW(_evlist, _show, _store, _mask) \
+ IIO_EVENT_ATTR_SH(aenergy_overflow, _evlist, _show, _store, _mask)
+
+/* the apparent energy register has overflowed */
+#define IIO_EVENT_ATTR_VAENERGY_OVERFLOW(_evlist, _show, _store, _mask) \
+ IIO_EVENT_ATTR_SH(vaenergy_overflow, _evlist, _show, _store, _mask)
+
+/* the active energy register, VAENERGY, is more than half full */
+#define IIO_EVENT_ATTR_VAENERGY_HALF_FULL(_evlist, _show, _store, _mask) \
+ IIO_EVENT_ATTR_SH(vaenergy_half_full, _evlist, _show, _store, _mask)
+
+/* the power has gone from negative to positive */
+#define IIO_EVENT_ATTR_PPOS(_evlist, _show, _store, _mask) \
+ IIO_EVENT_ATTR_SH(ppos, _evlist, _show, _store, _mask)
+
+/* the power has gone from positive to negative */
+#define IIO_EVENT_ATTR_PNEG(_evlist, _show, _store, _mask) \
+ IIO_EVENT_ATTR_SH(pneg, _evlist, _show, _store, _mask)
+
+/* waveform sample from Channel 1 has exceeded the IPKLVL value */
+#define IIO_EVENT_ATTR_IPKLVL_EXC(_evlist, _show, _store, _mask) \
+ IIO_EVENT_ATTR_SH(ipklvl_exc, _evlist, _show, _store, _mask)
+
+/* waveform sample from Channel 2 has exceeded the VPKLVL value */
+#define IIO_EVENT_ATTR_VPKLVL_EXC(_evlist, _show, _store, _mask) \
+ IIO_EVENT_ATTR_SH(vpklvl_exc, _evlist, _show, _store, _mask)
+