diff options
Diffstat (limited to 'drivers/staging/iio/meter/ade7854.c')
| -rw-r--r-- | drivers/staging/iio/meter/ade7854.c | 556 |
1 files changed, 0 insertions, 556 deletions
diff --git a/drivers/staging/iio/meter/ade7854.c b/drivers/staging/iio/meter/ade7854.c deleted file mode 100644 index 68da6ecde6a3..000000000000 --- a/drivers/staging/iio/meter/ade7854.c +++ /dev/null @@ -1,556 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * ADE7854/58/68/78 Polyphase Multifunction Energy Metering IC Driver - * - * Copyright 2010 Analog Devices Inc. - */ - -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/delay.h> -#include <linux/mutex.h> -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/sysfs.h> -#include <linux/list.h> -#include <linux/module.h> - -#include <linux/iio/iio.h> -#include <linux/iio/sysfs.h> -#include "meter.h" -#include "ade7854.h" - -static ssize_t ade7854_read_8bit(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int ret; - u32 val = 0; - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct ade7854_state *st = iio_priv(indio_dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - - ret = st->read_reg(dev, this_attr->address, &val, 8); - if (ret < 0) - return ret; - - return sprintf(buf, "%u\n", val); -} - -static ssize_t ade7854_read_16bit(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int ret; - u32 val = 0; - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct ade7854_state *st = iio_priv(indio_dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - - ret = st->read_reg(dev, this_attr->address, &val, 16); - if (ret < 0) - return ret; - - return sprintf(buf, "%u\n", val); -} - -static ssize_t ade7854_read_24bit(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int ret; - u32 val; - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct ade7854_state *st = iio_priv(indio_dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - - ret = st->read_reg(dev, this_attr->address, &val, 24); - if (ret < 0) - return ret; - - return sprintf(buf, "%u\n", val); -} - -static ssize_t ade7854_read_32bit(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); - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct ade7854_state *st = iio_priv(indio_dev); - - ret = st->read_reg(dev, this_attr->address, &val, 32); - if (ret < 0) - return ret; - - return sprintf(buf, "%u\n", val); -} - -static ssize_t ade7854_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); - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct ade7854_state *st = iio_priv(indio_dev); - - int ret; - u8 val; - - ret = kstrtou8(buf, 10, &val); - if (ret) - goto error_ret; - ret = st->write_reg(dev, this_attr->address, val, 8); - -error_ret: - return ret ? ret : len; -} - -static ssize_t ade7854_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); - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct ade7854_state *st = iio_priv(indio_dev); - - int ret; - u16 val; - - ret = kstrtou16(buf, 10, &val); - if (ret) - goto error_ret; - ret = st->write_reg(dev, this_attr->address, val, 16); - -error_ret: - return ret ? ret : len; -} - -static ssize_t ade7854_write_24bit(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct ade7854_state *st = iio_priv(indio_dev); - - int ret; - u32 val; - - ret = kstrtou32(buf, 10, &val); - if (ret) - goto error_ret; - ret = st->write_reg(dev, this_attr->address, val, 24); - -error_ret: - return ret ? ret : len; -} - -static ssize_t ade7854_write_32bit(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct ade7854_state *st = iio_priv(indio_dev); - - int ret; - u32 val; - - ret = kstrtou32(buf, 10, &val); - if (ret) - goto error_ret; - ret = st->write_reg(dev, this_attr->address, val, 32); - -error_ret: - return ret ? ret : len; -} - -static int ade7854_reset(struct device *dev) -{ - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct ade7854_state *st = iio_priv(indio_dev); - u32 val; - - st->read_reg(dev, ADE7854_CONFIG, &val, 16); - val |= BIT(7); /* Software Chip Reset */ - - return st->write_reg(dev, ADE7854_CONFIG, val, 16); -} - -static IIO_DEV_ATTR_AIGAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_AIGAIN); -static IIO_DEV_ATTR_BIGAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_BIGAIN); -static IIO_DEV_ATTR_CIGAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_CIGAIN); -static IIO_DEV_ATTR_NIGAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_NIGAIN); -static IIO_DEV_ATTR_AVGAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_AVGAIN); -static IIO_DEV_ATTR_BVGAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_BVGAIN); -static IIO_DEV_ATTR_CVGAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_CVGAIN); -static IIO_DEV_ATTR_APPARENT_POWER_A_GAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_AVAGAIN); -static IIO_DEV_ATTR_APPARENT_POWER_B_GAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_BVAGAIN); -static IIO_DEV_ATTR_APPARENT_POWER_C_GAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_CVAGAIN); -static IIO_DEV_ATTR_ACTIVE_POWER_A_OFFSET(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_AWATTOS); -static IIO_DEV_ATTR_ACTIVE_POWER_B_OFFSET(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_BWATTOS); -static IIO_DEV_ATTR_ACTIVE_POWER_C_OFFSET(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_CWATTOS); -static IIO_DEV_ATTR_REACTIVE_POWER_A_GAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_AVARGAIN); -static IIO_DEV_ATTR_REACTIVE_POWER_B_GAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_BVARGAIN); -static IIO_DEV_ATTR_REACTIVE_POWER_C_GAIN(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_CVARGAIN); -static IIO_DEV_ATTR_REACTIVE_POWER_A_OFFSET(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_AVAROS); -static IIO_DEV_ATTR_REACTIVE_POWER_B_OFFSET(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_BVAROS); -static IIO_DEV_ATTR_REACTIVE_POWER_C_OFFSET(0644, - ade7854_read_24bit, - ade7854_write_24bit, - ADE7854_CVAROS); -static IIO_DEV_ATTR_VPEAK(0644, - ade7854_read_32bit, - ade7854_write_32bit, - ADE7854_VPEAK); -static IIO_DEV_ATTR_IPEAK(0644, - ade7854_read_32bit, - ade7854_write_32bit, - ADE7854_IPEAK); -static IIO_DEV_ATTR_APHCAL(0644, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_APHCAL); -static IIO_DEV_ATTR_BPHCAL(0644, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_BPHCAL); -static IIO_DEV_ATTR_CPHCAL(0644, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_CPHCAL); -static IIO_DEV_ATTR_CF1DEN(0644, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_CF1DEN); -static IIO_DEV_ATTR_CF2DEN(0644, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_CF2DEN); -static IIO_DEV_ATTR_CF3DEN(0644, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_CF3DEN); -static IIO_DEV_ATTR_LINECYC(0644, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_LINECYC); -static IIO_DEV_ATTR_SAGCYC(0644, - ade7854_read_8bit, - ade7854_write_8bit, - ADE7854_SAGCYC); -static IIO_DEV_ATTR_CFCYC(0644, - ade7854_read_8bit, - ade7854_write_8bit, - ADE7854_CFCYC); -static IIO_DEV_ATTR_PEAKCYC(0644, - ade7854_read_8bit, - ade7854_write_8bit, - ADE7854_PEAKCYC); -static IIO_DEV_ATTR_CHKSUM(ade7854_read_24bit, - ADE7854_CHECKSUM); -static IIO_DEV_ATTR_ANGLE0(ade7854_read_24bit, - ADE7854_ANGLE0); -static IIO_DEV_ATTR_ANGLE1(ade7854_read_24bit, - ADE7854_ANGLE1); -static IIO_DEV_ATTR_ANGLE2(ade7854_read_24bit, - ADE7854_ANGLE2); -static IIO_DEV_ATTR_AIRMS(0444, - ade7854_read_24bit, - NULL, - ADE7854_AIRMS); -static IIO_DEV_ATTR_BIRMS(0444, - ade7854_read_24bit, - NULL, - ADE7854_BIRMS); -static IIO_DEV_ATTR_CIRMS(0444, - ade7854_read_24bit, - NULL, - ADE7854_CIRMS); -static IIO_DEV_ATTR_NIRMS(0444, - ade7854_read_24bit, - NULL, - ADE7854_NIRMS); -static IIO_DEV_ATTR_AVRMS(0444, - ade7854_read_24bit, - NULL, - ADE7854_AVRMS); -static IIO_DEV_ATTR_BVRMS(0444, - ade7854_read_24bit, - NULL, - ADE7854_BVRMS); -static IIO_DEV_ATTR_CVRMS(0444, - ade7854_read_24bit, - NULL, - ADE7854_CVRMS); -static IIO_DEV_ATTR_AIRMSOS(0444, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_AIRMSOS); -static IIO_DEV_ATTR_BIRMSOS(0444, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_BIRMSOS); -static IIO_DEV_ATTR_CIRMSOS(0444, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_CIRMSOS); -static IIO_DEV_ATTR_AVRMSOS(0444, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_AVRMSOS); -static IIO_DEV_ATTR_BVRMSOS(0444, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_BVRMSOS); -static IIO_DEV_ATTR_CVRMSOS(0444, - ade7854_read_16bit, - ade7854_write_16bit, - ADE7854_CVRMSOS); -static IIO_DEV_ATTR_VOLT_A(ade7854_read_24bit, - ADE7854_VAWV); -static IIO_DEV_ATTR_VOLT_B(ade7854_read_24bit, - ADE7854_VBWV); -static IIO_DEV_ATTR_VOLT_C(ade7854_read_24bit, - ADE7854_VCWV); -static IIO_DEV_ATTR_CURRENT_A(ade7854_read_24bit, - ADE7854_IAWV); -static IIO_DEV_ATTR_CURRENT_B(ade7854_read_24bit, - ADE7854_IBWV); -static IIO_DEV_ATTR_CURRENT_C(ade7854_read_24bit, - ADE7854_ICWV); -static IIO_DEV_ATTR_AWATTHR(ade7854_read_32bit, - ADE7854_AWATTHR); -static IIO_DEV_ATTR_BWATTHR(ade7854_read_32bit, - ADE7854_BWATTHR); -static IIO_DEV_ATTR_CWATTHR(ade7854_read_32bit, - ADE7854_CWATTHR); -static IIO_DEV_ATTR_AFWATTHR(ade7854_read_32bit, - ADE7854_AFWATTHR); -static IIO_DEV_ATTR_BFWATTHR(ade7854_read_32bit, - ADE7854_BFWATTHR); -static IIO_DEV_ATTR_CFWATTHR(ade7854_read_32bit, - ADE7854_CFWATTHR); -static IIO_DEV_ATTR_AVARHR(ade7854_read_32bit, - ADE7854_AVARHR); -static IIO_DEV_ATTR_BVARHR(ade7854_read_32bit, - ADE7854_BVARHR); -static IIO_DEV_ATTR_CVARHR(ade7854_read_32bit, - ADE7854_CVARHR); -static IIO_DEV_ATTR_AVAHR(ade7854_read_32bit, - ADE7854_AVAHR); -static IIO_DEV_ATTR_BVAHR(ade7854_read_32bit, - ADE7854_BVAHR); -static IIO_DEV_ATTR_CVAHR(ade7854_read_32bit, - ADE7854_CVAHR); - -static int ade7854_set_irq(struct device *dev, bool enable) -{ - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct ade7854_state *st = iio_priv(indio_dev); - - int ret; - u32 irqen; - - ret = st->read_reg(dev, ADE7854_MASK0, &irqen, 32); - if (ret < 0) - return ret; - - if (enable) - irqen |= BIT(17); /* 1: interrupt enabled when all periodical - * (at 8 kHz rate) DSP computations finish. - */ - else - irqen &= ~BIT(17); - - return st->write_reg(dev, ADE7854_MASK0, irqen, 32); -} - -static int ade7854_initial_setup(struct iio_dev *indio_dev) -{ - int ret; - struct device *dev = &indio_dev->dev; - - /* Disable IRQ */ - ret = ade7854_set_irq(dev, false); - if (ret) { - dev_err(dev, "disable irq failed"); - goto err_ret; - } - - ade7854_reset(dev); - usleep_range(ADE7854_STARTUP_DELAY, ADE7854_STARTUP_DELAY + 100); - -err_ret: - return ret; -} - -static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("8000"); - -static IIO_CONST_ATTR(name, "ade7854"); - -static struct attribute *ade7854_attributes[] = { - &iio_dev_attr_aigain.dev_attr.attr, - &iio_dev_attr_bigain.dev_attr.attr, - &iio_dev_attr_cigain.dev_attr.attr, - &iio_dev_attr_nigain.dev_attr.attr, - &iio_dev_attr_avgain.dev_attr.attr, - &iio_dev_attr_bvgain.dev_attr.attr, - &iio_dev_attr_cvgain.dev_attr.attr, - &iio_dev_attr_linecyc.dev_attr.attr, - &iio_dev_attr_sagcyc.dev_attr.attr, - &iio_dev_attr_cfcyc.dev_attr.attr, - &iio_dev_attr_peakcyc.dev_attr.attr, - &iio_dev_attr_chksum.dev_attr.attr, - &iio_dev_attr_apparent_power_a_gain.dev_attr.attr, - &iio_dev_attr_apparent_power_b_gain.dev_attr.attr, - &iio_dev_attr_apparent_power_c_gain.dev_attr.attr, - &iio_dev_attr_active_power_a_offset.dev_attr.attr, - &iio_dev_attr_active_power_b_offset.dev_attr.attr, - &iio_dev_attr_active_power_c_offset.dev_attr.attr, - &iio_dev_attr_reactive_power_a_gain.dev_attr.attr, - &iio_dev_attr_reactive_power_b_gain.dev_attr.attr, - &iio_dev_attr_reactive_power_c_gain.dev_attr.attr, - &iio_dev_attr_reactive_power_a_offset.dev_attr.attr, - &iio_dev_attr_reactive_power_b_offset.dev_attr.attr, - &iio_dev_attr_reactive_power_c_offset.dev_attr.attr, - &iio_dev_attr_awatthr.dev_attr.attr, - &iio_dev_attr_bwatthr.dev_attr.attr, - &iio_dev_attr_cwatthr.dev_attr.attr, - &iio_dev_attr_afwatthr.dev_attr.attr, - &iio_dev_attr_bfwatthr.dev_attr.attr, - &iio_dev_attr_cfwatthr.dev_attr.attr, - &iio_dev_attr_avarhr.dev_attr.attr, - &iio_dev_attr_bvarhr.dev_attr.attr, - &iio_dev_attr_cvarhr.dev_attr.attr, - &iio_dev_attr_angle0.dev_attr.attr, - &iio_dev_attr_angle1.dev_attr.attr, - &iio_dev_attr_angle2.dev_attr.attr, - &iio_dev_attr_avahr.dev_attr.attr, - &iio_dev_attr_bvahr.dev_attr.attr, - &iio_dev_attr_cvahr.dev_attr.attr, - &iio_const_attr_sampling_frequency_available.dev_attr.attr, - &iio_const_attr_name.dev_attr.attr, - &iio_dev_attr_vpeak.dev_attr.attr, - &iio_dev_attr_ipeak.dev_attr.attr, - &iio_dev_attr_aphcal.dev_attr.attr, - &iio_dev_attr_bphcal.dev_attr.attr, - &iio_dev_attr_cphcal.dev_attr.attr, - &iio_dev_attr_cf1den.dev_attr.attr, - &iio_dev_attr_cf2den.dev_attr.attr, - &iio_dev_attr_cf3den.dev_attr.attr, - &iio_dev_attr_airms.dev_attr.attr, - &iio_dev_attr_birms.dev_attr.attr, - &iio_dev_attr_cirms.dev_attr.attr, - &iio_dev_attr_nirms.dev_attr.attr, - &iio_dev_attr_avrms.dev_attr.attr, - &iio_dev_attr_bvrms.dev_attr.attr, - &iio_dev_attr_cvrms.dev_attr.attr, - &iio_dev_attr_airmsos.dev_attr.attr, - &iio_dev_attr_birmsos.dev_attr.attr, - &iio_dev_attr_cirmsos.dev_attr.attr, - &iio_dev_attr_avrmsos.dev_attr.attr, - &iio_dev_attr_bvrmsos.dev_attr.attr, - &iio_dev_attr_cvrmsos.dev_attr.attr, - &iio_dev_attr_volt_a.dev_attr.attr, - &iio_dev_attr_volt_b.dev_attr.attr, - &iio_dev_attr_volt_c.dev_attr.attr, - &iio_dev_attr_current_a.dev_attr.attr, - &iio_dev_attr_current_b.dev_attr.attr, - &iio_dev_attr_current_c.dev_attr.attr, - NULL, -}; - -static const struct attribute_group ade7854_attribute_group = { - .attrs = ade7854_attributes, -}; - -static const struct iio_info ade7854_info = { - .attrs = &ade7854_attribute_group, -}; - -int ade7854_probe(struct iio_dev *indio_dev, struct device *dev) -{ - int ret; - struct ade7854_state *st = iio_priv(indio_dev); - /* setup the industrialio driver allocated elements */ - mutex_init(&st->buf_lock); - - indio_dev->dev.parent = dev; - indio_dev->info = &ade7854_info; - indio_dev->modes = INDIO_DIRECT_MODE; - - ret = devm_iio_device_register(dev, indio_dev); - if (ret) - return ret; - - /* Get the device into a sane initial state */ - return ade7854_initial_setup(indio_dev); -} -EXPORT_SYMBOL(ade7854_probe); - -MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); -MODULE_DESCRIPTION("Analog Devices ADE7854/58/68/78 Polyphase Energy Meter"); -MODULE_LICENSE("GPL v2"); |