/linux/Documentation/driver-api/iio/ |
H A D | hw-consumer.rst | 2 HW consumer 4 An IIO device can be directly connected to another device in hardware. In this 5 case the buffers between IIO provider and IIO consumer are handled by hardware. 6 The Industrial I/O HW consumer offers a way to bond these IIO devices without 8 :file:`drivers/iio/buffer/hw-consumer.c` 11 * struct iio_hw_consumer — Hardware consumer structure 12 * :c:func:`iio_hw_consumer_alloc` — Allocate IIO hardware consumer 13 * :c:func:`iio_hw_consumer_free` — Free IIO hardware consumer 14 * :c:func:`iio_hw_consumer_enable` — Enable IIO hardware consumer 15 * :c:func:`iio_hw_consumer_disable` — Disable IIO hardware consumer [all …]
|
/linux/drivers/iio/buffer/ |
H A D | industrialio-hw-consumer.c | 1 // SPDX-License-Identifier: GPL-2.0 4 * Author: Lars-Peter Clausen <lars@metafoo.de> 12 #include <linux/iio/iio.h> 13 #include <linux/iio/consumer.h> 14 #include <linux/iio/hw-consumer.h> 15 #include <linux/iio/buffer_impl.h> 18 * struct iio_hw_consumer - IIO hw consumer block 20 * @channels: IIO provider channels. 58 list_for_each_entry(buf, &hwc->buffers, head) { in iio_hw_consumer_get_buffer() 59 if (buf->indio_dev == indio_dev) in iio_hw_consumer_get_buffer() [all …]
|
H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only 8 tristate "IIO callback buffer used for push in-kernel interfaces" 10 Should be selected by any drivers that do in-kernel push 11 usage. That is, those where the data is pushed to the consumer. 16 Provides the generic IIO DMA buffer infrastructure that can be used by 17 drivers for devices with DMA support to implement the IIO buffer. 26 Provides a bonding of the generic IIO DMA buffer infrastructure with the 36 Provides a way to bonding when an IIO device has a direct connection 40 Should be selected by drivers that want to use the generic Hw consumer
|
H A D | industrialio-buffer-cb.c | 1 // SPDX-License-Identifier: GPL-2.0-only 10 #include <linux/iio/iio.h> 11 #include <linux/iio/buffer_impl.h> 12 #include <linux/iio/consumer.h> 30 return cb_buff->cb(data, cb_buff->private); in iio_buffer_cb_store_to() 37 bitmap_free(cb_buff->buffer.scan_mask); in iio_buffer_cb_release() 59 return ERR_PTR(-EINVAL); in iio_channel_get_all_cb() 64 return ERR_PTR(-ENOMEM); in iio_channel_get_all_cb() 66 iio_buffer_init(&cb_buff->buffer); in iio_channel_get_all_cb() 68 cb_buff->private = private; in iio_channel_get_all_cb() [all …]
|
/linux/drivers/staging/iio/Documentation/ |
H A D | inkernel.txt | 3 The IIO subsystem can act as a layer under other elements of the kernel 7 Describing the channel mapping (iio/machine.h) 17 adc_channel_label identifies the channel on the IIO device by being 20 consumer_dev_name allows identification of the consumer device. 21 This are then used to find the channel mapping from the consumer device (see 24 Finally consumer_channel is a string identifying the channel to the consumer. 27 An array of these structures is then passed to the IIO driver. 36 The result of this is that the IIO core now has all the information needed 37 to associate a given channel with the consumer requesting it. 39 Acting as an IIO consumer (consumer.h) [all …]
|
/linux/include/linux/iio/ |
H A D | consumer.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */ 3 * Industrial I/O in kernel consumer interface 11 #include <linux/iio/types.h> 19 * struct iio_channel - everything needed for a consumer to use a channel 22 * @data: Data about the channel used by consumer. 31 * iio_channel_get() - get description of all that is needed to access channel. 32 * @dev: Pointer to consumer device. Device name must match 34 * with which the desired provider to consumer mapping 36 * @consumer_channel: Unique name to identify the channel on the consumer 38 * the consumer. E.g. 'battery_voltage' [all …]
|
/linux/drivers/iio/ |
H A D | industrialio-backend.c | 1 // SPDX-License-Identifier: GPL-2.0-only 3 * Framework to handle complex IIO aggregate devices. 6 * can be "linked" against one or multiple backend devices. All the IIO and 11 * ------------------------------------------------------- 12 * ------------------ | ------------ ------------ ------- FPGA| 13 * | ADC |------------------------| | ADC CORE |---------| DMA CORE |------| RAM | | 14 * | (Frontend/IIO) | Serial Data (eg: LVDS) | |(backend) |---------| |------| | | 15 * | |------------------------| ------------ ------------ ------- | 16 * ------------------ ------------------------------------------------------- 19 * - Backends should register themselves with devm_iio_backend_register() [all …]
|
H A D | industrialio-trigger.c | 1 // SPDX-License-Identifier: GPL-2.0-only 16 #include <linux/iio/iio.h> 17 #include <linux/iio/iio-opaque.h> 18 #include <linux/iio/trigger.h> 21 #include <linux/iio/trigger_consumer.h> 23 /* RFC - Question of approach 41 * name_show() - retrieve useful identifying name 55 return sysfs_emit(buf, "%s\n", trig->name); in name_show() 72 trig_info->id = ida_alloc(&iio_trigger_ida, GFP_KERNEL); in iio_trigger_register() 73 if (trig_info->id < 0) in iio_trigger_register() [all …]
|
/linux/drivers/iio/adc/ |
H A D | ad7766.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later 12 #include <linux/gpio/consumer.h> 14 #include <linux/regulator/consumer.h> 18 #include <linux/iio/iio.h> 19 #include <linux/iio/buffer.h> 20 #include <linux/iio/trigger.h> 21 #include <linux/iio/trigger_consumer.h> 22 #include <linux/iio/triggered_buffer.h> 69 struct iio_dev *indio_dev = pf->indio_dev; in ad7766_trigger_handler() 73 ret = spi_sync(ad7766->spi, &ad7766->msg); in ad7766_trigger_handler() [all …]
|
H A D | sd_adc_modulator.c | 1 // SPDX-License-Identifier: GPL-2.0 5 * Copyright (C) 2017, STMicroelectronics - All Rights Reserved 9 #include <linux/iio/backend.h> 10 #include <linux/iio/iio.h> 11 #include <linux/iio/triggered_buffer.h> 16 #include <linux/regulator/consumer.h> 39 if (priv->vref) in iio_sd_mod_enable() 40 return regulator_enable(priv->vref); in iio_sd_mod_enable() 49 if (priv->vref) in iio_sd_mod_disable() 50 regulator_disable(priv->vref); in iio_sd_mod_disable() [all …]
|
H A D | ti-lmp92064.c | 1 // SPDX-License-Identifier: GPL-2.0 7 * Based on linux/drivers/iio/adc/ti-tsc2046.c 12 #include <linux/gpio/consumer.h> 15 #include <linux/regulator/consumer.h> 18 #include <linux/iio/iio.h> 19 #include <linux/iio/buffer.h> 20 #include <linux/iio/driver.h> 21 #include <linux/iio/triggered_buffer.h> 22 #include <linux/iio/trigger_consumer.h> 46 * - IN Current (INC) [all …]
|
H A D | ti-adc081c.c | 1 // SPDX-License-Identifier: GPL-2.0-only 3 * TI ADC081C/ADC101C/ADC121C 8/10/12-bit ADC driver 14 * bits handled. For the 8-bit and 10-bit models the least-significant 4 or 2 24 #include <linux/iio/iio.h> 25 #include <linux/iio/buffer.h> 26 #include <linux/iio/trigger_consumer.h> 27 #include <linux/iio/triggered_buffer.h> 28 #include <linux/regulator/consumer.h> 46 static int adc081c_read_raw(struct iio_dev *iio, in adc081c_read_raw() argument 50 struct adc081c *adc = iio_priv(iio); in adc081c_read_raw() [all …]
|
H A D | max11100.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * iio/adc/max11100.c 4 * Maxim max11100 ADC Driver with IIO interface 6 * Copyright (C) 2016-17 Renesas Electronics Corporation 7 * Copyright (C) 2016-17 Jacopo Mondi 13 #include <linux/regulator/consumer.h> 17 #include <linux/iio/iio.h> 18 #include <linux/iio/driver.h> 55 ret = spi_read(state->spi, state->buffer, sizeof(state->buffer)); in max11100_read_single() 57 dev_err(&indio_dev->dev, "SPI transfer failed\n"); in max11100_read_single() [all …]
|
H A D | ti-ads7924.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * IIO driver for Texas Instruments ADS7924 ADC, 12-bit, 4-Channels, I2C 8 * based on iio/adc/ti-ads1015.c 16 #include <linux/gpio/consumer.h> 23 #include <linux/regulator/consumer.h> 25 #include <linux/iio/iio.h> 26 #include <linux/iio/types.h> 98 * The power-up time is allowed to elapse whenever the device has been shutdown 99 * in idle mode. Power-up time can allow external circuits, such as an 103 * If a power-up time is not required, set the bits to '0' to effectively bypass. [all …]
|
H A D | ad7780.c | 1 // SPDX-License-Identifier: GPL-2.0 15 #include <linux/regulator/consumer.h> 18 #include <linux/gpio/consumer.h> 22 #include <linux/iio/iio.h> 23 #include <linux/iio/sysfs.h> 24 #include <linux/iio/adc/ad_sigma_delta.h> 100 gpiod_set_value(st->powerdown_gpio, val); in ad7780_set_mode() 118 voltage_uv = regulator_get_voltage(st->reg); in ad7780_read_raw() 122 *val = voltage_uv * st->gain; in ad7780_read_raw() 123 *val2 = chan->scan_type.realbits - 1; in ad7780_read_raw() [all …]
|
/linux/drivers/power/supply/ |
H A D | lego_ev3_battery.c | 18 #include <linux/gpio/consumer.h> 19 #include <linux/iio/consumer.h> 20 #include <linux/iio/types.h> 46 val->intval = batt->technology; in lego_ev3_battery_get_property() 49 /* battery voltage is iio channel * 2 + Vce of transistor */ in lego_ev3_battery_get_property() 50 ret = iio_read_channel_processed(batt->iio_v, &val->intval); in lego_ev3_battery_get_property() 54 val->intval *= 2000; in lego_ev3_battery_get_property() 55 val->intval += 50000; in lego_ev3_battery_get_property() 58 ret = iio_read_channel_processed(batt->iio_i, &val2); in lego_ev3_battery_get_property() 64 val->intval += val2; in lego_ev3_battery_get_property() [all …]
|
H A D | generic-adc-battery.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * Generic battery driver using IIO 10 #include <linux/gpio/consumer.h> 18 #include <linux/iio/consumer.h> 19 #include <linux/iio/types.h> 21 #include <linux/devm-helpers.h> 62 schedule_delayed_work(&adc_bat->bat_work, msecs_to_jiffies(0)); in gab_ext_power_changed() 71 * should correspond one-to-one with enum chan_type. 82 if (!adc_bat->charge_finished) in gab_charge_finished() 84 return gpiod_get_value(adc_bat->charge_finished); in gab_charge_finished() [all …]
|
/linux/Documentation/devicetree/bindings/iio/adc/ |
H A D | ingenic,adc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2 # Copyright 2019-2020 Artur Rojek 4 --- 5 $id: http://devicetree.org/schemas/iio/adc/ingenic,adc.yaml# 6 $schema: http://devicetree.org/meta-schemas/core.yaml# 8 title: Ingenic JZ47xx ADC controller IIO 11 - Artur Rojek <contact@artur-rojek.eu> 18 https://github.com/devicetree-org/dt-schema/blob/master/schemas/iio/iio-consumer.yaml, 19 giving a phandle and IIO specifier pair ("io-channels") to the ADC controller. 24 - ingenic,jz4725b-adc [all …]
|
/linux/drivers/iio/dac/ |
H A D | ds4424.c | 1 // SPDX-License-Identifier: GPL-2.0-only 4 * 7-bit, Multi-Channel Sink/Source Current DAC Driver 11 #include <linux/regulator/consumer.h> 14 #include <linux/iio/iio.h> 15 #include <linux/iio/driver.h> 16 #include <linux/iio/machine.h> 17 #include <linux/iio/consumer.h> 76 mutex_lock(&data->lock); in ds4424_get_value() 77 ret = i2c_smbus_read_byte_data(data->client, DS4424_DAC_ADDR(channel)); in ds4424_get_value() 84 mutex_unlock(&data->lock); in ds4424_get_value() [all …]
|
H A D | ad5764.c | 1 // SPDX-License-Identifier: GPL-2.0-only 3 * Analog devices AD5764, AD5764R, AD5744, AD5744R quad-channel 16 #include <linux/regulator/consumer.h> 18 #include <linux/iio/iio.h> 19 #include <linux/iio/sysfs.h> 33 * struct ad5764_chip_info - chip specific information 34 * @int_vref: Value of the internal reference voltage in uV - 0 if external 44 * struct ad5764_state - driver instance specific data 90 .shift = 16 - (_bits), \ 130 mutex_lock(&st->lock); in ad5764_write() [all …]
|
/linux/drivers/iio/imu/bmi160/ |
H A D | bmi160.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 5 #include <linux/iio/iio.h> 6 #include <linux/regulator/consumer.h>
|
/linux/drivers/iio/potentiometer/ |
H A D | x9250.c | 1 // SPDX-License-Identifier: GPL-2.0 4 * x9250.c -- Renesas X9250 potentiometers IIO driver 12 #include <linux/gpio/consumer.h> 13 #include <linux/iio/iio.h> 16 #include <linux/regulator/consumer.h> 43 return spi_write_then_read(x9250->spi, txbuf, ARRAY_SIZE(txbuf), NULL, 0); in x9250_write8() 53 return spi_write_then_read(x9250->spi, txbuf, ARRAY_SIZE(txbuf), val, 1); in x9250_read8() 77 int ch = chan->channel; in x9250_read_raw() 90 *val = 1000 * x9250->cfg->kohms; in x9250_read_raw() 95 return -EINVAL; in x9250_read_raw() [all …]
|
/linux/Documentation/devicetree/bindings/input/ |
H A D | adc-joystick.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2 # Copyright 2019-2020 Artur Rojek 4 --- 5 $id: http://devicetree.org/schemas/input/adc-joystick.yaml# 6 $schema: http://devicetree.org/meta-schemas/core.yaml# 11 - Artur Rojek <contact@artur-rojek.eu> 18 - $ref: input.yaml# 22 const: adc-joystick 24 io-channels: 28 List of phandle and IIO specifier pairs. [all …]
|
/linux/drivers/iio/multiplexer/ |
H A D | iio-mux.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * IIO multiplexer driver 11 #include <linux/iio/consumer.h> 12 #include <linux/iio/iio.h> 16 #include <linux/mux/consumer.h> 41 struct mux_child *child = &mux->child[idx]; in iio_mux_select() 42 struct iio_chan_spec const *chan = &mux->chan[idx]; in iio_mux_select() 46 ret = mux_control_select_delay(mux->control, chan->channel, in iio_mux_select() 47 mux->delay_us); in iio_mux_select() 49 mux->cached_state = -1; in iio_mux_select() [all …]
|
/linux/drivers/iio/imu/st_lsm9ds0/ |
H A D | st_lsm9ds0_core.c | 1 // SPDX-License-Identifier: GPL-2.0-only 14 #include <linux/regulator/consumer.h> 16 #include <linux/iio/common/st_sensors.h> 17 #include <linux/iio/iio.h> 24 struct device *dev = lsm9ds0->dev; in st_lsm9ds0_probe_accel() 27 settings = st_accel_get_settings(lsm9ds0->name); in st_lsm9ds0_probe_accel() 29 return dev_err_probe(dev, -ENODEV, "device name %s not recognized.\n", in st_lsm9ds0_probe_accel() 30 lsm9ds0->name); in st_lsm9ds0_probe_accel() 32 lsm9ds0->accel = devm_iio_device_alloc(dev, sizeof(*data)); in st_lsm9ds0_probe_accel() 33 if (!lsm9ds0->accel) in st_lsm9ds0_probe_accel() [all …]
|